From a97686125dfbe45f5a505413cf6d190785ae0670 Mon Sep 17 00:00:00 2001
From: Laytan Laats <laytanlaats@hotmail.com>
Date: Sat, 25 Mar 2023 15:00:17 +0100
Subject: [PATCH] refactor!: drop php5 support

---
 internal/php5/node.go                    |    85 -
 internal/php5/parser.go                  |    66 -
 internal/php5/parser_test.go             | 50781 ---------------------
 internal/php5/php5.go                    |   Bin 265218 -> 0 bytes
 internal/php5/php5.y                     |  5698 ---
 internal/php5/php5_bench_test.go         |    30 -
 internal/php5/test.php                   |   381 -
 pkg/parser/parser.go                     |    14 +-
 pkg/visitor/printer/printer_php5_test.go |  1439 -
 9 files changed, 1 insertion(+), 58493 deletions(-)
 delete mode 100644 internal/php5/node.go
 delete mode 100644 internal/php5/parser.go
 delete mode 100644 internal/php5/parser_test.go
 delete mode 100644 internal/php5/php5.go
 delete mode 100644 internal/php5/php5.y
 delete mode 100644 internal/php5/php5_bench_test.go
 delete mode 100644 internal/php5/test.php
 delete mode 100644 pkg/visitor/printer/printer_php5_test.go

diff --git a/internal/php5/node.go b/internal/php5/node.go
deleted file mode 100644
index e0963fa..0000000
--- a/internal/php5/node.go
+++ /dev/null
@@ -1,85 +0,0 @@
-package php5
-
-import (
-	"github.com/VKCOM/php-parser/pkg/ast"
-	"github.com/VKCOM/php-parser/pkg/position"
-	"github.com/VKCOM/php-parser/pkg/token"
-)
-
-type ParserBrackets struct {
-	Position        *position.Position
-	OpenBracketTkn  *token.Token
-	Child           ast.Vertex
-	CloseBracketTkn *token.Token
-}
-
-func (n *ParserBrackets) Accept(v ast.Visitor) {
-	// do nothing
-}
-
-func (n *ParserBrackets) GetPosition() *position.Position {
-	return n.Position
-}
-
-type ParserSeparatedList struct {
-	Position      *position.Position
-	Items         []ast.Vertex
-	SeparatorTkns []*token.Token
-}
-
-func (n *ParserSeparatedList) Accept(v ast.Visitor) {
-	// do nothing
-}
-
-func (n *ParserSeparatedList) GetPosition() *position.Position {
-	return n.Position
-}
-
-// TraitAdaptationList node
-type TraitAdaptationList struct {
-	Position             *position.Position
-	OpenCurlyBracketTkn  *token.Token
-	Adaptations          []ast.Vertex
-	CloseCurlyBracketTkn *token.Token
-}
-
-func (n *TraitAdaptationList) Accept(v ast.Visitor) {
-	// do nothing
-}
-
-func (n *TraitAdaptationList) GetPosition() *position.Position {
-	return n.Position
-}
-
-// ArgumentList node
-type ArgumentList struct {
-	Position            *position.Position
-	OpenParenthesisTkn  *token.Token
-	Arguments           []ast.Vertex
-	SeparatorTkns       []*token.Token
-	CloseParenthesisTkn *token.Token
-}
-
-func (n *ArgumentList) Accept(v ast.Visitor) {
-	// do nothing
-}
-
-func (n *ArgumentList) GetPosition() *position.Position {
-	return n.Position
-}
-
-// TraitMethodRef node
-type TraitMethodRef struct {
-	Position       *position.Position
-	Trait          ast.Vertex
-	DoubleColonTkn *token.Token
-	Method         ast.Vertex
-}
-
-func (n *TraitMethodRef) Accept(v ast.Visitor) {
-	// do nothing
-}
-
-func (n *TraitMethodRef) GetPosition() *position.Position {
-	return n.Position
-}
diff --git a/internal/php5/parser.go b/internal/php5/parser.go
deleted file mode 100644
index 8fd6578..0000000
--- a/internal/php5/parser.go
+++ /dev/null
@@ -1,66 +0,0 @@
-package php5
-
-import (
-	"github.com/VKCOM/php-parser/internal/position"
-	"github.com/VKCOM/php-parser/internal/scanner"
-	"github.com/VKCOM/php-parser/pkg/ast"
-	"github.com/VKCOM/php-parser/pkg/conf"
-	"github.com/VKCOM/php-parser/pkg/errors"
-	"github.com/VKCOM/php-parser/pkg/token"
-)
-
-// Parser structure
-type Parser struct {
-	Lexer          *scanner.Lexer
-	currentToken   *token.Token
-	rootNode       ast.Vertex
-	errHandlerFunc func(*errors.Error)
-	builder        *position.Builder
-}
-
-// NewParser creates and returns new Parser
-func NewParser(lexer *scanner.Lexer, config conf.Config) *Parser {
-	return &Parser{
-		Lexer:          lexer,
-		errHandlerFunc: config.ErrorHandlerFunc,
-		builder:        position.NewBuilder(),
-	}
-}
-
-// Lex proxy to scanner Lex
-func (p *Parser) Lex(lval *yySymType) int {
-	t := p.Lexer.Lex()
-
-	p.currentToken = t
-	lval.token = t
-
-	return int(t.ID)
-}
-
-func (p *Parser) Error(msg string) {
-	if p.errHandlerFunc == nil {
-		return
-	}
-
-	p.errHandlerFunc(errors.NewError(msg, p.currentToken.Position))
-}
-
-// Parse the php7 Parser entrypoint
-func (p *Parser) Parse() int {
-	p.rootNode = nil
-	return yyParse(p)
-}
-
-// GetRootNode returns root node
-func (p *Parser) GetRootNode() ast.Vertex {
-	return p.rootNode
-}
-
-// helpers
-
-func lastNode(nn []ast.Vertex) ast.Vertex {
-	if len(nn) == 0 {
-		return nil
-	}
-	return nn[len(nn)-1]
-}
diff --git a/internal/php5/parser_test.go b/internal/php5/parser_test.go
deleted file mode 100644
index dbab6a2..0000000
--- a/internal/php5/parser_test.go
+++ /dev/null
@@ -1,50781 +0,0 @@
-package php5_test
-
-import (
-	"testing"
-
-	"gotest.tools/assert"
-
-	"github.com/VKCOM/php-parser/internal/php5"
-	"github.com/VKCOM/php-parser/internal/scanner"
-	"github.com/VKCOM/php-parser/pkg/ast"
-	"github.com/VKCOM/php-parser/pkg/conf"
-	"github.com/VKCOM/php-parser/pkg/errors"
-	"github.com/VKCOM/php-parser/pkg/position"
-	"github.com/VKCOM/php-parser/pkg/token"
-	"github.com/VKCOM/php-parser/pkg/version"
-)
-
-func TestIdentifier(t *testing.T) {
-	src := `<? $foo;`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    8,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    8,
-				},
-				Expr: &ast.ExprVariable{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    7,
-					},
-					Name: &ast.Identifier{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    7,
-						},
-						IdentifierTkn: &token.Token{
-							ID:    token.T_VARIABLE,
-							Value: []byte("$foo"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  3,
-								EndPos:    7,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_OPEN_TAG,
-									Value: []byte("<?"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  0,
-										EndPos:    2,
-									},
-								},
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  2,
-										EndPos:    3,
-									},
-								},
-							},
-						},
-						Value: []byte("$foo"),
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  7,
-						EndPos:    8,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestPhp5ArgumentNode(t *testing.T) {
-	src := `<?
-		foo($a, ...$b);
-		$foo($a, ...$b);
-		$foo->bar($a, ...$b);
-		foo::bar($a, ...$b);
-		$foo::bar($a, ...$b);
-		new foo($a, ...$b);`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 2,
-			EndLine:   7,
-			StartPos:  5,
-			EndPos:    132,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 2,
-					EndLine:   2,
-					StartPos:  5,
-					EndPos:    20,
-				},
-				Expr: &ast.ExprFunctionCall{
-					Position: &position.Position{
-						StartLine: 2,
-						EndLine:   2,
-						StartPos:  5,
-						EndPos:    19,
-					},
-					Function: &ast.Name{
-						Position: &position.Position{
-							StartLine: 2,
-							EndLine:   2,
-							StartPos:  5,
-							EndPos:    8,
-						},
-						Parts: []ast.Vertex{
-							&ast.NamePart{
-								Position: &position.Position{
-									StartLine: 2,
-									EndLine:   2,
-									StartPos:  5,
-									EndPos:    8,
-								},
-								StringTkn: &token.Token{
-									ID:    token.T_STRING,
-									Value: []byte("foo"),
-									Position: &position.Position{
-										StartLine: 2,
-										EndLine:   2,
-										StartPos:  5,
-										EndPos:    8,
-									},
-									FreeFloating: []*token.Token{
-										{
-											ID:    token.T_OPEN_TAG,
-											Value: []byte("<?"),
-											Position: &position.Position{
-												StartLine: 1,
-												EndLine:   1,
-												StartPos:  0,
-												EndPos:    2,
-											},
-										},
-										{
-											ID:    token.T_WHITESPACE,
-											Value: []byte("\n\t\t"),
-											Position: &position.Position{
-												StartLine: 1,
-												EndLine:   2,
-												StartPos:  2,
-												EndPos:    5,
-											},
-										},
-									},
-								},
-								Value: []byte("foo"),
-							},
-						},
-					},
-					OpenParenthesisTkn: &token.Token{
-						ID:    token.ID(40),
-						Value: []byte("("),
-						Position: &position.Position{
-							StartLine: 2,
-							EndLine:   2,
-							StartPos:  8,
-							EndPos:    9,
-						},
-					},
-					Args: []ast.Vertex{
-						&ast.Argument{
-							Position: &position.Position{
-								StartLine: 2,
-								EndLine:   2,
-								StartPos:  9,
-								EndPos:    11,
-							},
-							Expr: &ast.ExprVariable{
-								Position: &position.Position{
-									StartLine: 2,
-									EndLine:   2,
-									StartPos:  9,
-									EndPos:    11,
-								},
-								Name: &ast.Identifier{
-									Position: &position.Position{
-										StartLine: 2,
-										EndLine:   2,
-										StartPos:  9,
-										EndPos:    11,
-									},
-									IdentifierTkn: &token.Token{
-										ID:    token.T_VARIABLE,
-										Value: []byte("$a"),
-										Position: &position.Position{
-											StartLine: 2,
-											EndLine:   2,
-											StartPos:  9,
-											EndPos:    11,
-										},
-									},
-									Value: []byte("$a"),
-								},
-							},
-						},
-						&ast.Argument{
-							Position: &position.Position{
-								StartLine: 2,
-								EndLine:   2,
-								StartPos:  13,
-								EndPos:    18,
-							},
-							VariadicTkn: &token.Token{
-								ID:    token.T_ELLIPSIS,
-								Value: []byte("..."),
-								Position: &position.Position{
-									StartLine: 2,
-									EndLine:   2,
-									StartPos:  13,
-									EndPos:    16,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 2,
-											EndLine:   2,
-											StartPos:  12,
-											EndPos:    13,
-										},
-									},
-								},
-							},
-							Expr: &ast.ExprVariable{
-								Position: &position.Position{
-									StartLine: 2,
-									EndLine:   2,
-									StartPos:  16,
-									EndPos:    18,
-								},
-								Name: &ast.Identifier{
-									Position: &position.Position{
-										StartLine: 2,
-										EndLine:   2,
-										StartPos:  16,
-										EndPos:    18,
-									},
-									IdentifierTkn: &token.Token{
-										ID:    token.T_VARIABLE,
-										Value: []byte("$b"),
-										Position: &position.Position{
-											StartLine: 2,
-											EndLine:   2,
-											StartPos:  16,
-											EndPos:    18,
-										},
-									},
-									Value: []byte("$b"),
-								},
-							},
-						},
-					},
-					SeparatorTkns: []*token.Token{
-						{
-							ID:    token.ID(44),
-							Value: []byte(","),
-							Position: &position.Position{
-								StartLine: 2,
-								EndLine:   2,
-								StartPos:  11,
-								EndPos:    12,
-							},
-						},
-					},
-					CloseParenthesisTkn: &token.Token{
-						ID:    token.ID(41),
-						Value: []byte(")"),
-						Position: &position.Position{
-							StartLine: 2,
-							EndLine:   2,
-							StartPos:  18,
-							EndPos:    19,
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 2,
-						EndLine:   2,
-						StartPos:  19,
-						EndPos:    20,
-					},
-				},
-			},
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 3,
-					EndLine:   3,
-					StartPos:  23,
-					EndPos:    39,
-				},
-				Expr: &ast.ExprFunctionCall{
-					Position: &position.Position{
-						StartLine: 3,
-						EndLine:   3,
-						StartPos:  23,
-						EndPos:    38,
-					},
-					Function: &ast.ExprVariable{
-						Position: &position.Position{
-							StartLine: 3,
-							EndLine:   3,
-							StartPos:  23,
-							EndPos:    27,
-						},
-						Name: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 3,
-								EndLine:   3,
-								StartPos:  23,
-								EndPos:    27,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_VARIABLE,
-								Value: []byte("$foo"),
-								Position: &position.Position{
-									StartLine: 3,
-									EndLine:   3,
-									StartPos:  23,
-									EndPos:    27,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte("\n\t\t"),
-										Position: &position.Position{
-											StartLine: 2,
-											EndLine:   3,
-											StartPos:  20,
-											EndPos:    23,
-										},
-									},
-								},
-							},
-							Value: []byte("$foo"),
-						},
-					},
-					OpenParenthesisTkn: &token.Token{
-						ID:    token.ID(40),
-						Value: []byte("("),
-						Position: &position.Position{
-							StartLine: 3,
-							EndLine:   3,
-							StartPos:  27,
-							EndPos:    28,
-						},
-					},
-					Args: []ast.Vertex{
-						&ast.Argument{
-							Position: &position.Position{
-								StartLine: 3,
-								EndLine:   3,
-								StartPos:  28,
-								EndPos:    30,
-							},
-							Expr: &ast.ExprVariable{
-								Position: &position.Position{
-									StartLine: 3,
-									EndLine:   3,
-									StartPos:  28,
-									EndPos:    30,
-								},
-								Name: &ast.Identifier{
-									Position: &position.Position{
-										StartLine: 3,
-										EndLine:   3,
-										StartPos:  28,
-										EndPos:    30,
-									},
-									IdentifierTkn: &token.Token{
-										ID:    token.T_VARIABLE,
-										Value: []byte("$a"),
-										Position: &position.Position{
-											StartLine: 3,
-											EndLine:   3,
-											StartPos:  28,
-											EndPos:    30,
-										},
-									},
-									Value: []byte("$a"),
-								},
-							},
-						},
-						&ast.Argument{
-							Position: &position.Position{
-								StartLine: 3,
-								EndLine:   3,
-								StartPos:  32,
-								EndPos:    37,
-							},
-							VariadicTkn: &token.Token{
-								ID:    token.T_ELLIPSIS,
-								Value: []byte("..."),
-								Position: &position.Position{
-									StartLine: 3,
-									EndLine:   3,
-									StartPos:  32,
-									EndPos:    35,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 3,
-											EndLine:   3,
-											StartPos:  31,
-											EndPos:    32,
-										},
-									},
-								},
-							},
-							Expr: &ast.ExprVariable{
-								Position: &position.Position{
-									StartLine: 3,
-									EndLine:   3,
-									StartPos:  35,
-									EndPos:    37,
-								},
-								Name: &ast.Identifier{
-									Position: &position.Position{
-										StartLine: 3,
-										EndLine:   3,
-										StartPos:  35,
-										EndPos:    37,
-									},
-									IdentifierTkn: &token.Token{
-										ID:    token.T_VARIABLE,
-										Value: []byte("$b"),
-										Position: &position.Position{
-											StartLine: 3,
-											EndLine:   3,
-											StartPos:  35,
-											EndPos:    37,
-										},
-									},
-									Value: []byte("$b"),
-								},
-							},
-						},
-					},
-					SeparatorTkns: []*token.Token{
-						{
-							ID:    token.ID(44),
-							Value: []byte(","),
-							Position: &position.Position{
-								StartLine: 3,
-								EndLine:   3,
-								StartPos:  30,
-								EndPos:    31,
-							},
-						},
-					},
-					CloseParenthesisTkn: &token.Token{
-						ID:    token.ID(41),
-						Value: []byte(")"),
-						Position: &position.Position{
-							StartLine: 3,
-							EndLine:   3,
-							StartPos:  37,
-							EndPos:    38,
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 3,
-						EndLine:   3,
-						StartPos:  38,
-						EndPos:    39,
-					},
-				},
-			},
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 4,
-					EndLine:   4,
-					StartPos:  42,
-					EndPos:    63,
-				},
-				Expr: &ast.ExprMethodCall{
-					Position: &position.Position{
-						StartLine: 4,
-						EndLine:   4,
-						StartPos:  42,
-						EndPos:    62,
-					},
-					Var: &ast.ExprVariable{
-						Position: &position.Position{
-							StartLine: 4,
-							EndLine:   4,
-							StartPos:  42,
-							EndPos:    46,
-						},
-						Name: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 4,
-								EndLine:   4,
-								StartPos:  42,
-								EndPos:    46,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_VARIABLE,
-								Value: []byte("$foo"),
-								Position: &position.Position{
-									StartLine: 4,
-									EndLine:   4,
-									StartPos:  42,
-									EndPos:    46,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte("\n\t\t"),
-										Position: &position.Position{
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-								Position: &position.Position{
-									StartLine: 7,
-									EndLine:   7,
-									StartPos:  125,
-									EndPos:    128,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 7,
-											EndLine:   7,
-											StartPos:  124,
-											EndPos:    125,
-										},
-									},
-								},
-							},
-							Expr: &ast.ExprVariable{
-								Position: &position.Position{
-									StartLine: 7,
-									EndLine:   7,
-									StartPos:  128,
-									EndPos:    130,
-								},
-								Name: &ast.Identifier{
-									Position: &position.Position{
-										StartLine: 7,
-										EndLine:   7,
-										StartPos:  128,
-										EndPos:    130,
-									},
-									IdentifierTkn: &token.Token{
-										ID:    token.T_VARIABLE,
-										Value: []byte("$b"),
-										Position: &position.Position{
-											StartLine: 7,
-											EndLine:   7,
-											StartPos:  128,
-											EndPos:    130,
-										},
-									},
-									Value: []byte("$b"),
-								},
-							},
-						},
-					},
-					SeparatorTkns: []*token.Token{
-						{
-							ID:    token.ID(44),
-							Value: []byte(","),
-							Position: &position.Position{
-								StartLine: 7,
-								EndLine:   7,
-								StartPos:  123,
-								EndPos:    124,
-							},
-						},
-					},
-					CloseParenthesisTkn: &token.Token{
-						ID:    token.ID(41),
-						Value: []byte(")"),
-						Position: &position.Position{
-							StartLine: 7,
-							EndLine:   7,
-							StartPos:  130,
-							EndPos:    131,
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 7,
-						EndLine:   7,
-						StartPos:  131,
-						EndPos:    132,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestPhp5ParameterNode(t *testing.T) {
-	src := `<?
-		function foo(bar $bar=null, baz &...$baz) {}
-		class foo {public function foo(bar $bar=null, baz &...$baz) {}}
-		function(bar $bar=null, baz &...$baz) {};
-		static function(bar $bar=null, baz &...$baz) {};`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 2,
-			EndLine:   5,
-			StartPos:  5,
-			EndPos:    210,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtFunction{
-				Position: &position.Position{
-					StartLine: 2,
-					EndLine:   2,
-					StartPos:  5,
-					EndPos:    49,
-				},
-				FunctionTkn: &token.Token{
-					ID:    token.T_FUNCTION,
-					Value: []byte("function"),
-					Position: &position.Position{
-						StartLine: 2,
-						EndLine:   2,
-						StartPos:  5,
-						EndPos:    13,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_OPEN_TAG,
-							Value: []byte("<?"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  0,
-								EndPos:    2,
-							},
-						},
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte("\n\t\t"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   2,
-								StartPos:  2,
-								EndPos:    5,
-							},
-						},
-					},
-				},
-				Name: &ast.Identifier{
-					Position: &position.Position{
-						StartLine: 2,
-						EndLine:   2,
-						StartPos:  14,
-						EndPos:    17,
-					},
-					IdentifierTkn: &token.Token{
-						ID:    token.T_STRING,
-						Value: []byte("foo"),
-						Position: &position.Position{
-							StartLine: 2,
-							EndLine:   2,
-							StartPos:  14,
-							EndPos:    17,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 2,
-									EndLine:   2,
-									StartPos:  13,
-									EndPos:    14,
-								},
-							},
-						},
-					},
-					Value: []byte("foo"),
-				},
-				OpenParenthesisTkn: &token.Token{
-					ID:    token.ID(40),
-					Value: []byte("("),
-					Position: &position.Position{
-						StartLine: 2,
-						EndLine:   2,
-						StartPos:  17,
-						EndPos:    18,
-					},
-				},
-				Params: []ast.Vertex{
-					&ast.Parameter{
-						Position: &position.Position{
-							StartLine: 2,
-							EndLine:   2,
-							StartPos:  18,
-							EndPos:    31,
-						},
-						Type: &ast.Name{
-							Position: &position.Position{
-								StartLine: 2,
-								EndLine:   2,
-								StartPos:  18,
-								EndPos:    21,
-							},
-							Parts: []ast.Vertex{
-								&ast.NamePart{
-									Position: &position.Position{
-										StartLine: 2,
-										EndLine:   2,
-										StartPos:  18,
-										EndPos:    21,
-									},
-									StringTkn: &token.Token{
-										ID:    token.T_STRING,
-										Value: []byte("bar"),
-										Position: &position.Position{
-											StartLine: 2,
-											EndLine:   2,
-											StartPos:  18,
-											EndPos:    21,
-										},
-									},
-									Value: []byte("bar"),
-								},
-							},
-						},
-						Var: &ast.ExprVariable{
-							Position: &position.Position{
-								StartLine: 2,
-								EndLine:   2,
-								StartPos:  22,
-								EndPos:    26,
-							},
-							Name: &ast.Identifier{
-								Position: &position.Position{
-									StartLine: 2,
-									EndLine:   2,
-									StartPos:  22,
-									EndPos:    26,
-								},
-								IdentifierTkn: &token.Token{
-									ID:    token.T_VARIABLE,
-									Value: []byte("$bar"),
-									Position: &position.Position{
-										StartLine: 2,
-										EndLine:   2,
-										StartPos:  22,
-										EndPos:    26,
-									},
-									FreeFloating: []*token.Token{
-										{
-											ID:    token.T_WHITESPACE,
-											Value: []byte(" "),
-											Position: &position.Position{
-												StartLine: 2,
-												EndLine:   2,
-												StartPos:  21,
-												EndPos:    22,
-											},
-										},
-									},
-								},
-								Value: []byte("$bar"),
-							},
-						},
-						EqualTkn: &token.Token{
-							ID:    token.ID(61),
-							Value: []byte("="),
-							Position: &position.Position{
-								StartLine: 2,
-								EndLine:   2,
-								StartPos:  26,
-								EndPos:    27,
-							},
-						},
-						DefaultValue: &ast.ExprConstFetch{
-							Position: &position.Position{
-								StartLine: 2,
-								EndLine:   2,
-								StartPos:  27,
-								EndPos:    31,
-							},
-							Const: &ast.Name{
-								Position: &position.Position{
-									StartLine: 2,
-									EndLine:   2,
-									StartPos:  27,
-									EndPos:    31,
-								},
-								Parts: []ast.Vertex{
-									&ast.NamePart{
-										Position: &position.Position{
-											StartLine: 2,
-											EndLine:   2,
-											StartPos:  27,
-											EndPos:    31,
-										},
-										StringTkn: &token.Token{
-											ID:    token.T_STRING,
-											Value: []byte("null"),
-											Position: &position.Position{
-												StartLine: 2,
-												EndLine:   2,
-												StartPos:  27,
-												EndPos:    31,
-											},
-										},
-										Value: []byte("null"),
-									},
-								},
-							},
-						},
-					},
-					&ast.Parameter{
-						Position: &position.Position{
-							StartLine: 2,
-							EndLine:   2,
-							StartPos:  33,
-							EndPos:    45,
-						},
-						Type: &ast.Name{
-							Position: &position.Position{
-								StartLine: 2,
-								EndLine:   2,
-								StartPos:  33,
-								EndPos:    36,
-							},
-							Parts: []ast.Vertex{
-								&ast.NamePart{
-									Position: &position.Position{
-										StartLine: 2,
-										EndLine:   2,
-										StartPos:  33,
-										EndPos:    36,
-									},
-									StringTkn: &token.Token{
-										ID:    token.T_STRING,
-										Value: []byte("baz"),
-										Position: &position.Position{
-											StartLine: 2,
-											EndLine:   2,
-											StartPos:  33,
-											EndPos:    36,
-										},
-										FreeFloating: []*token.Token{
-											{
-												ID:    token.T_WHITESPACE,
-												Value: []byte(" "),
-												Position: &position.Position{
-													StartLine: 2,
-													EndLine:   2,
-													StartPos:  32,
-													EndPos:    33,
-												},
-											},
-										},
-									},
-									Value: []byte("baz"),
-								},
-							},
-						},
-						AmpersandTkn: &token.Token{
-							ID:    token.ID(38),
-							Value: []byte("&"),
-							Position: &position.Position{
-								StartLine: 2,
-								EndLine:   2,
-								StartPos:  37,
-								EndPos:    38,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 2,
-										EndLine:   2,
-										StartPos:  36,
-										EndPos:    37,
-									},
-								},
-							},
-						},
-						VariadicTkn: &token.Token{
-							ID:    token.T_ELLIPSIS,
-							Value: []byte("..."),
-							Position: &position.Position{
-								StartLine: 2,
-								EndLine:   2,
-								StartPos:  38,
-								EndPos:    41,
-							},
-						},
-						Var: &ast.ExprVariable{
-							Position: &position.Position{
-								StartLine: 2,
-								EndLine:   2,
-								StartPos:  41,
-								EndPos:    45,
-							},
-							Name: &ast.Identifier{
-								Position: &position.Position{
-									StartLine: 2,
-									EndLine:   2,
-									StartPos:  41,
-									EndPos:    45,
-								},
-								IdentifierTkn: &token.Token{
-									ID:    token.T_VARIABLE,
-									Value: []byte("$baz"),
-									Position: &position.Position{
-										StartLine: 2,
-										EndLine:   2,
-										StartPos:  41,
-										EndPos:    45,
-									},
-								},
-								Value: []byte("$baz"),
-							},
-						},
-					},
-				},
-				SeparatorTkns: []*token.Token{
-					{
-						ID:    token.ID(44),
-						Value: []byte(","),
-						Position: &position.Position{
-							StartLine: 2,
-							EndLine:   2,
-							StartPos:  31,
-							EndPos:    32,
-						},
-					},
-				},
-				CloseParenthesisTkn: &token.Token{
-					ID:    token.ID(41),
-					Value: []byte(")"),
-					Position: &position.Position{
-						StartLine: 2,
-						EndLine:   2,
-						StartPos:  45,
-						EndPos:    46,
-					},
-				},
-				OpenCurlyBracketTkn: &token.Token{
-					ID:    token.ID(123),
-					Value: []byte("{"),
-					Position: &position.Position{
-						StartLine: 2,
-						EndLine:   2,
-						StartPos:  47,
-						EndPos:    48,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 2,
-								EndLine:   2,
-								StartPos:  46,
-								EndPos:    47,
-							},
-						},
-					},
-				},
-				Stmts: []ast.Vertex{},
-				CloseCurlyBracketTkn: &token.Token{
-					ID:    token.ID(125),
-					Value: []byte("}"),
-					Position: &position.Position{
-						StartLine: 2,
-						EndLine:   2,
-						StartPos:  48,
-						EndPos:    49,
-					},
-				},
-			},
-			&ast.StmtClass{
-				Position: &position.Position{
-					StartLine: 3,
-					EndLine:   3,
-					StartPos:  52,
-					EndPos:    115,
-				},
-				ClassTkn: &token.Token{
-					ID:    token.T_CLASS,
-					Value: []byte("class"),
-					Position: &position.Position{
-						StartLine: 3,
-						EndLine:   3,
-						StartPos:  52,
-						EndPos:    57,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte("\n\t\t"),
-							Position: &position.Position{
-								StartLine: 2,
-								EndLine:   3,
-								StartPos:  49,
-								EndPos:    52,
-							},
-						},
-					},
-				},
-				Name: &ast.Identifier{
-					Position: &position.Position{
-						StartLine: 3,
-						EndLine:   3,
-						StartPos:  58,
-						EndPos:    61,
-					},
-					IdentifierTkn: &token.Token{
-						ID:    token.T_STRING,
-						Value: []byte("foo"),
-						Position: &position.Position{
-							StartLine: 3,
-							EndLine:   3,
-							StartPos:  58,
-							EndPos:    61,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 3,
-									EndLine:   3,
-									StartPos:  57,
-									EndPos:    58,
-								},
-							},
-						},
-					},
-					Value: []byte("foo"),
-				},
-				OpenCurlyBracketTkn: &token.Token{
-					ID:    token.ID(123),
-					Value: []byte("{"),
-					Position: &position.Position{
-						StartLine: 3,
-						EndLine:   3,
-						StartPos:  62,
-						EndPos:    63,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 3,
-								EndLine:   3,
-								StartPos:  61,
-								EndPos:    62,
-							},
-						},
-					},
-				},
-				Stmts: []ast.Vertex{
-					&ast.StmtClassMethod{
-						Position: &position.Position{
-							StartLine: 3,
-							EndLine:   3,
-							StartPos:  63,
-							EndPos:    114,
-						},
-						Modifiers: []ast.Vertex{
-							&ast.Identifier{
-								Position: &position.Position{
-									StartLine: 3,
-									EndLine:   3,
-									StartPos:  63,
-									EndPos:    69,
-								},
-								IdentifierTkn: &token.Token{
-									ID:    token.T_PUBLIC,
-									Value: []byte("public"),
-									Position: &position.Position{
-										StartLine: 3,
-										EndLine:   3,
-										StartPos:  63,
-										EndPos:    69,
-									},
-								},
-								Value: []byte("public"),
-							},
-						},
-						FunctionTkn: &token.Token{
-							ID:    token.T_FUNCTION,
-							Value: []byte("function"),
-							Position: &position.Position{
-								StartLine: 3,
-								EndLine:   3,
-								StartPos:  70,
-								EndPos:    78,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 3,
-										EndLine:   3,
-										StartPos:  69,
-										EndPos:    70,
-									},
-								},
-							},
-						},
-						Name: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 3,
-								EndLine:   3,
-								StartPos:  79,
-								EndPos:    82,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_STRING,
-								Value: []byte("foo"),
-								Position: &position.Position{
-									StartLine: 3,
-									EndLine:   3,
-									StartPos:  79,
-									EndPos:    82,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 3,
-											EndLine:   3,
-											StartPos:  78,
-											EndPos:    79,
-										},
-									},
-								},
-							},
-							Value: []byte("foo"),
-						},
-						OpenParenthesisTkn: &token.Token{
-							ID:    token.ID(40),
-							Value: []byte("("),
-							Position: &position.Position{
-								StartLine: 3,
-								EndLine:   3,
-								StartPos:  82,
-								EndPos:    83,
-							},
-						},
-						Params: []ast.Vertex{
-							&ast.Parameter{
-								Position: &position.Position{
-									StartLine: 3,
-									EndLine:   3,
-									StartPos:  83,
-									EndPos:    96,
-								},
-								Type: &ast.Name{
-									Position: &position.Position{
-										StartLine: 3,
-										EndLine:   3,
-										StartPos:  83,
-										EndPos:    86,
-									},
-									Parts: []ast.Vertex{
-										&ast.NamePart{
-											Position: &position.Position{
-												StartLine: 3,
-												EndLine:   3,
-												StartPos:  83,
-												EndPos:    86,
-											},
-											StringTkn: &token.Token{
-												ID:    token.T_STRING,
-												Value: []byte("bar"),
-												Position: &position.Position{
-													StartLine: 3,
-													EndLine:   3,
-													StartPos:  83,
-													EndPos:    86,
-												},
-											},
-											Value: []byte("bar"),
-										},
-									},
-								},
-								Var: &ast.ExprVariable{
-									Position: &position.Position{
-										StartLine: 3,
-										EndLine:   3,
-										StartPos:  87,
-										EndPos:    91,
-									},
-									Name: &ast.Identifier{
-										Position: &position.Position{
-											StartLine: 3,
-											EndLine:   3,
-											StartPos:  87,
-											EndPos:    91,
-										},
-										IdentifierTkn: &token.Token{
-											ID:    token.T_VARIABLE,
-											Value: []byte("$bar"),
-											Position: &position.Position{
-												StartLine: 3,
-												EndLine:   3,
-												StartPos:  87,
-												EndPos:    91,
-											},
-											FreeFloating: []*token.Token{
-												{
-													ID:    token.T_WHITESPACE,
-													Value: []byte(" "),
-													Position: &position.Position{
-														StartLine: 3,
-														EndLine:   3,
-														StartPos:  86,
-														EndPos:    87,
-													},
-												},
-											},
-										},
-										Value: []byte("$bar"),
-									},
-								},
-								EqualTkn: &token.Token{
-									ID:    token.ID(61),
-									Value: []byte("="),
-									Position: &position.Position{
-										StartLine: 3,
-										EndLine:   3,
-										StartPos:  91,
-										EndPos:    92,
-									},
-								},
-								DefaultValue: &ast.ExprConstFetch{
-									Position: &position.Position{
-										StartLine: 3,
-										EndLine:   3,
-										StartPos:  92,
-										EndPos:    96,
-									},
-									Const: &ast.Name{
-										Position: &position.Position{
-											StartLine: 3,
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-												},
-											},
-											Value: []byte("null"),
-										},
-									},
-								},
-							},
-						},
-						&ast.Parameter{
-							Position: &position.Position{
-								StartLine: 5,
-								EndLine:   5,
-								StartPos:  193,
-								EndPos:    205,
-							},
-							Type: &ast.Name{
-								Position: &position.Position{
-									StartLine: 5,
-									EndLine:   5,
-									StartPos:  193,
-									EndPos:    196,
-								},
-								Parts: []ast.Vertex{
-									&ast.NamePart{
-										Position: &position.Position{
-											StartLine: 5,
-											EndLine:   5,
-											StartPos:  193,
-											EndPos:    196,
-										},
-										StringTkn: &token.Token{
-											ID:    token.T_STRING,
-											Value: []byte("baz"),
-											Position: &position.Position{
-												StartLine: 5,
-												EndLine:   5,
-												StartPos:  193,
-												EndPos:    196,
-											},
-											FreeFloating: []*token.Token{
-												{
-													ID:    token.T_WHITESPACE,
-													Value: []byte(" "),
-													Position: &position.Position{
-														StartLine: 5,
-														EndLine:   5,
-														StartPos:  192,
-														EndPos:    193,
-													},
-												},
-											},
-										},
-										Value: []byte("baz"),
-									},
-								},
-							},
-							AmpersandTkn: &token.Token{
-								ID:    token.ID(38),
-								Value: []byte("&"),
-								Position: &position.Position{
-									StartLine: 5,
-									EndLine:   5,
-									StartPos:  197,
-									EndPos:    198,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 5,
-											EndLine:   5,
-											StartPos:  196,
-											EndPos:    197,
-										},
-									},
-								},
-							},
-							VariadicTkn: &token.Token{
-								ID:    token.T_ELLIPSIS,
-								Value: []byte("..."),
-								Position: &position.Position{
-									StartLine: 5,
-									EndLine:   5,
-									StartPos:  198,
-									EndPos:    201,
-								},
-							},
-							Var: &ast.ExprVariable{
-								Position: &position.Position{
-									StartLine: 5,
-									EndLine:   5,
-									StartPos:  201,
-									EndPos:    205,
-								},
-								Name: &ast.Identifier{
-									Position: &position.Position{
-										StartLine: 5,
-										EndLine:   5,
-										StartPos:  201,
-										EndPos:    205,
-									},
-									IdentifierTkn: &token.Token{
-										ID:    token.T_VARIABLE,
-										Value: []byte("$baz"),
-										Position: &position.Position{
-											StartLine: 5,
-											EndLine:   5,
-											StartPos:  201,
-											EndPos:    205,
-										},
-									},
-									Value: []byte("$baz"),
-								},
-							},
-						},
-					},
-					SeparatorTkns: []*token.Token{
-						{
-							ID:    token.ID(44),
-							Value: []byte(","),
-							Position: &position.Position{
-								StartLine: 5,
-								EndLine:   5,
-								StartPos:  191,
-								EndPos:    192,
-							},
-						},
-					},
-					CloseParenthesisTkn: &token.Token{
-						ID:    token.ID(41),
-						Value: []byte(")"),
-						Position: &position.Position{
-							StartLine: 5,
-							EndLine:   5,
-							StartPos:  205,
-							EndPos:    206,
-						},
-					},
-					OpenCurlyBracketTkn: &token.Token{
-						ID:    token.ID(123),
-						Value: []byte("{"),
-						Position: &position.Position{
-							StartLine: 5,
-							EndLine:   5,
-							StartPos:  207,
-							EndPos:    208,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 5,
-									EndLine:   5,
-									StartPos:  206,
-									EndPos:    207,
-								},
-							},
-						},
-					},
-					Stmts: []ast.Vertex{},
-					CloseCurlyBracketTkn: &token.Token{
-						ID:    token.ID(125),
-						Value: []byte("}"),
-						Position: &position.Position{
-							StartLine: 5,
-							EndLine:   5,
-							StartPos:  208,
-							EndPos:    209,
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 5,
-						EndLine:   5,
-						StartPos:  209,
-						EndPos:    210,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestCommentEndFile(t *testing.T) {
-	src := `<? //comment at the end)`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: -1,
-			EndLine:   -1,
-			StartPos:  -1,
-			EndPos:    -1,
-		},
-		Stmts: []ast.Vertex{},
-		EndTkn: &token.Token{
-			FreeFloating: []*token.Token{
-				{
-					ID:    token.T_OPEN_TAG,
-					Value: []byte("<?"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  0,
-						EndPos:    2,
-					},
-				},
-				{
-					ID:    token.T_WHITESPACE,
-					Value: []byte(" "),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  2,
-						EndPos:    3,
-					},
-				},
-				{
-					ID:    token.T_COMMENT,
-					Value: []byte("//comment at the end)"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    24,
-					},
-				},
-			},
-		},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-// name
-
-func TestName(t *testing.T) {
-	src := `<? foo();`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    9,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    9,
-				},
-				Expr: &ast.ExprFunctionCall{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    8,
-					},
-					Function: &ast.Name{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    6,
-						},
-						Parts: []ast.Vertex{
-							&ast.NamePart{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  3,
-									EndPos:    6,
-								},
-								StringTkn: &token.Token{
-									ID:    token.T_STRING,
-									Value: []byte("foo"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  3,
-										EndPos:    6,
-									},
-									FreeFloating: []*token.Token{
-										{
-											ID:    token.T_OPEN_TAG,
-											Value: []byte("<?"),
-											Position: &position.Position{
-												StartLine: 1,
-												EndLine:   1,
-												StartPos:  0,
-												EndPos:    2,
-											},
-										},
-										{
-											ID:    token.T_WHITESPACE,
-											Value: []byte(" "),
-											Position: &position.Position{
-												StartLine: 1,
-												EndLine:   1,
-												StartPos:  2,
-												EndPos:    3,
-											},
-										},
-									},
-								},
-								Value: []byte("foo"),
-							},
-						},
-					},
-					OpenParenthesisTkn: &token.Token{
-						ID:    token.ID(40),
-						Value: []byte("("),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  6,
-							EndPos:    7,
-						},
-					},
-					CloseParenthesisTkn: &token.Token{
-						ID:    token.ID(41),
-						Value: []byte(")"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  7,
-							EndPos:    8,
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  8,
-						EndPos:    9,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestFullyQualified(t *testing.T) {
-	src := `<? \foo();`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    10,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    10,
-				},
-				Expr: &ast.ExprFunctionCall{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    9,
-					},
-					Function: &ast.NameFullyQualified{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    7,
-						},
-						NsSeparatorTkn: &token.Token{
-							ID:    token.T_NS_SEPARATOR,
-							Value: []byte("\\"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  3,
-								EndPos:    4,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_OPEN_TAG,
-									Value: []byte("<?"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  0,
-										EndPos:    2,
-									},
-								},
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  2,
-										EndPos:    3,
-									},
-								},
-							},
-						},
-						Parts: []ast.Vertex{
-							&ast.NamePart{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  4,
-									EndPos:    7,
-								},
-								StringTkn: &token.Token{
-									ID:    token.T_STRING,
-									Value: []byte("foo"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  4,
-										EndPos:    7,
-									},
-								},
-								Value: []byte("foo"),
-							},
-						},
-					},
-					OpenParenthesisTkn: &token.Token{
-						ID:    token.ID(40),
-						Value: []byte("("),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  7,
-							EndPos:    8,
-						},
-					},
-					CloseParenthesisTkn: &token.Token{
-						ID:    token.ID(41),
-						Value: []byte(")"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  8,
-							EndPos:    9,
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  9,
-						EndPos:    10,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestRelative(t *testing.T) {
-	src := `<? namespace\foo();`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    19,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    19,
-				},
-				Expr: &ast.ExprFunctionCall{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    18,
-					},
-					Function: &ast.NameRelative{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    16,
-						},
-						NsTkn: &token.Token{
-							ID:    token.T_NAMESPACE,
-							Value: []byte("namespace"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  3,
-								EndPos:    12,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_OPEN_TAG,
-									Value: []byte("<?"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  0,
-										EndPos:    2,
-									},
-								},
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  2,
-										EndPos:    3,
-									},
-								},
-							},
-						},
-						NsSeparatorTkn: &token.Token{
-							ID:    token.T_NS_SEPARATOR,
-							Value: []byte("\\"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  12,
-								EndPos:    13,
-							},
-						},
-						Parts: []ast.Vertex{
-							&ast.NamePart{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  13,
-									EndPos:    16,
-								},
-								StringTkn: &token.Token{
-									ID:    token.T_STRING,
-									Value: []byte("foo"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  13,
-										EndPos:    16,
-									},
-								},
-								Value: []byte("foo"),
-							},
-						},
-					},
-					OpenParenthesisTkn: &token.Token{
-						ID:    token.ID(40),
-						Value: []byte("("),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  16,
-							EndPos:    17,
-						},
-					},
-					CloseParenthesisTkn: &token.Token{
-						ID:    token.ID(41),
-						Value: []byte(")"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  17,
-							EndPos:    18,
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  18,
-						EndPos:    19,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-// scalar
-
-func TestScalarEncapsed_SimpleVar(t *testing.T) {
-	src := `<? "test $var";`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    15,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    15,
-				},
-				Expr: &ast.ScalarEncapsed{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    14,
-					},
-					OpenQuoteTkn: &token.Token{
-						ID:    token.ID(34),
-						Value: []byte("\""),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    4,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_OPEN_TAG,
-								Value: []byte("<?"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  0,
-									EndPos:    2,
-								},
-							},
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  2,
-									EndPos:    3,
-								},
-							},
-						},
-					},
-					Parts: []ast.Vertex{
-						&ast.ScalarEncapsedStringPart{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  4,
-								EndPos:    9,
-							},
-							EncapsedStrTkn: &token.Token{
-								ID:    token.T_ENCAPSED_AND_WHITESPACE,
-								Value: []byte("test "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  4,
-									EndPos:    9,
-								},
-							},
-							Value: []byte("test "),
-						},
-						&ast.ExprVariable{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  9,
-								EndPos:    13,
-							},
-							Name: &ast.Identifier{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  9,
-									EndPos:    13,
-								},
-								IdentifierTkn: &token.Token{
-									ID:    token.T_VARIABLE,
-									Value: []byte("$var"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  9,
-										EndPos:    13,
-									},
-								},
-								Value: []byte("$var"),
-							},
-						},
-					},
-					CloseQuoteTkn: &token.Token{
-						ID:    token.ID(34),
-						Value: []byte("\""),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  13,
-							EndPos:    14,
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  14,
-						EndPos:    15,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestScalarEncapsed_SimpleVarOneChar(t *testing.T) {
-	src := `<? "test $a";`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    13,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    13,
-				},
-				Expr: &ast.ScalarEncapsed{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    12,
-					},
-					OpenQuoteTkn: &token.Token{
-						ID:    token.ID(34),
-						Value: []byte("\""),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    4,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_OPEN_TAG,
-								Value: []byte("<?"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  0,
-									EndPos:    2,
-								},
-							},
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  2,
-									EndPos:    3,
-								},
-							},
-						},
-					},
-					Parts: []ast.Vertex{
-						&ast.ScalarEncapsedStringPart{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  4,
-								EndPos:    9,
-							},
-							EncapsedStrTkn: &token.Token{
-								ID:    token.T_ENCAPSED_AND_WHITESPACE,
-								Value: []byte("test "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  4,
-									EndPos:    9,
-								},
-							},
-							Value: []byte("test "),
-						},
-						&ast.ExprVariable{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  9,
-								EndPos:    11,
-							},
-							Name: &ast.Identifier{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  9,
-									EndPos:    11,
-								},
-								IdentifierTkn: &token.Token{
-									ID:    token.T_VARIABLE,
-									Value: []byte("$a"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  9,
-										EndPos:    11,
-									},
-								},
-								Value: []byte("$a"),
-							},
-						},
-					},
-					CloseQuoteTkn: &token.Token{
-						ID:    token.ID(34),
-						Value: []byte("\""),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  11,
-							EndPos:    12,
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  12,
-						EndPos:    13,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestScalarEncapsed_SimpleVarEndsEcapsed(t *testing.T) {
-	src := `<? "test $var\"";`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    17,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    17,
-				},
-				Expr: &ast.ScalarEncapsed{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    16,
-					},
-					OpenQuoteTkn: &token.Token{
-						ID:    token.ID(34),
-						Value: []byte("\""),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    4,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_OPEN_TAG,
-								Value: []byte("<?"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  0,
-									EndPos:    2,
-								},
-							},
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  2,
-									EndPos:    3,
-								},
-							},
-						},
-					},
-					Parts: []ast.Vertex{
-						&ast.ScalarEncapsedStringPart{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  4,
-								EndPos:    9,
-							},
-							EncapsedStrTkn: &token.Token{
-								ID:    token.T_ENCAPSED_AND_WHITESPACE,
-								Value: []byte("test "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  4,
-									EndPos:    9,
-								},
-							},
-							Value: []byte("test "),
-						},
-						&ast.ExprVariable{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  9,
-								EndPos:    13,
-							},
-							Name: &ast.Identifier{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  9,
-									EndPos:    13,
-								},
-								IdentifierTkn: &token.Token{
-									ID:    token.T_VARIABLE,
-									Value: []byte("$var"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  9,
-										EndPos:    13,
-									},
-								},
-								Value: []byte("$var"),
-							},
-						},
-						&ast.ScalarEncapsedStringPart{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  13,
-								EndPos:    15,
-							},
-							EncapsedStrTkn: &token.Token{
-								ID:    token.T_ENCAPSED_AND_WHITESPACE,
-								Value: []byte("\\\""),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  13,
-									EndPos:    15,
-								},
-							},
-							Value: []byte("\\\""),
-						},
-					},
-					CloseQuoteTkn: &token.Token{
-						ID:    token.ID(34),
-						Value: []byte("\""),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  15,
-							EndPos:    16,
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  16,
-						EndPos:    17,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestScalarEncapsed_StringVarCurveOpen(t *testing.T) {
-	src := `<? "=$a{$b}";`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    13,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    13,
-				},
-				Expr: &ast.ScalarEncapsed{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    12,
-					},
-					OpenQuoteTkn: &token.Token{
-						ID:    token.ID(34),
-						Value: []byte("\""),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    4,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_OPEN_TAG,
-								Value: []byte("<?"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  0,
-									EndPos:    2,
-								},
-							},
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  2,
-									EndPos:    3,
-								},
-							},
-						},
-					},
-					Parts: []ast.Vertex{
-						&ast.ScalarEncapsedStringPart{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  4,
-								EndPos:    5,
-							},
-							EncapsedStrTkn: &token.Token{
-								ID:    token.T_ENCAPSED_AND_WHITESPACE,
-								Value: []byte("="),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  4,
-									EndPos:    5,
-								},
-							},
-							Value: []byte("="),
-						},
-						&ast.ExprVariable{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  5,
-								EndPos:    7,
-							},
-							Name: &ast.Identifier{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  5,
-									EndPos:    7,
-								},
-								IdentifierTkn: &token.Token{
-									ID:    token.T_VARIABLE,
-									Value: []byte("$a"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  5,
-										EndPos:    7,
-									},
-								},
-								Value: []byte("$a"),
-							},
-						},
-						&ast.ScalarEncapsedStringBrackets{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  7,
-								EndPos:    11,
-							},
-							OpenCurlyBracketTkn: &token.Token{
-								ID:    token.T_CURLY_OPEN,
-								Value: []byte("{"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  7,
-									EndPos:    8,
-								},
-							},
-							Var: &ast.ExprVariable{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  8,
-									EndPos:    10,
-								},
-								Name: &ast.Identifier{
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  8,
-										EndPos:    10,
-									},
-									IdentifierTkn: &token.Token{
-										ID:    token.T_VARIABLE,
-										Value: []byte("$b"),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  8,
-											EndPos:    10,
-										},
-									},
-									Value: []byte("$b"),
-								},
-							},
-							CloseCurlyBracketTkn: &token.Token{
-								ID:    token.ID(125),
-								Value: []byte("}"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  10,
-									EndPos:    11,
-								},
-							},
-						},
-					},
-					CloseQuoteTkn: &token.Token{
-						ID:    token.ID(34),
-						Value: []byte("\""),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  11,
-							EndPos:    12,
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  12,
-						EndPos:    13,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestScalarEncapsed_SimpleVarPropertyFetch(t *testing.T) {
-	src := `<? "test $foo->bar()";`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    22,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    22,
-				},
-				Expr: &ast.ScalarEncapsed{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    21,
-					},
-					OpenQuoteTkn: &token.Token{
-						ID:    token.ID(34),
-						Value: []byte("\""),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    4,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_OPEN_TAG,
-								Value: []byte("<?"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  0,
-									EndPos:    2,
-								},
-							},
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  2,
-									EndPos:    3,
-								},
-							},
-						},
-					},
-					Parts: []ast.Vertex{
-						&ast.ScalarEncapsedStringPart{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  4,
-								EndPos:    9,
-							},
-							EncapsedStrTkn: &token.Token{
-								ID:    token.T_ENCAPSED_AND_WHITESPACE,
-								Value: []byte("test "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  4,
-									EndPos:    9,
-								},
-							},
-							Value: []byte("test "),
-						},
-						&ast.ExprPropertyFetch{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  9,
-								EndPos:    18,
-							},
-							Var: &ast.ExprVariable{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  9,
-									EndPos:    13,
-								},
-								Name: &ast.Identifier{
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  9,
-										EndPos:    13,
-									},
-									IdentifierTkn: &token.Token{
-										ID:    token.T_VARIABLE,
-										Value: []byte("$foo"),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  9,
-											EndPos:    13,
-										},
-									},
-									Value: []byte("$foo"),
-								},
-							},
-							ObjectOperatorTkn: &token.Token{
-								ID:    token.T_OBJECT_OPERATOR,
-								Value: []byte("->"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  13,
-									EndPos:    15,
-								},
-							},
-							Prop: &ast.Identifier{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  15,
-									EndPos:    18,
-								},
-								IdentifierTkn: &token.Token{
-									ID:    token.T_STRING,
-									Value: []byte("bar"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  15,
-										EndPos:    18,
-									},
-								},
-								Value: []byte("bar"),
-							},
-						},
-						&ast.ScalarEncapsedStringPart{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  18,
-								EndPos:    20,
-							},
-							EncapsedStrTkn: &token.Token{
-								ID:    token.T_ENCAPSED_AND_WHITESPACE,
-								Value: []byte("()"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  18,
-									EndPos:    20,
-								},
-							},
-							Value: []byte("()"),
-						},
-					},
-					CloseQuoteTkn: &token.Token{
-						ID:    token.ID(34),
-						Value: []byte("\""),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  20,
-							EndPos:    21,
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  21,
-						EndPos:    22,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestScalarEncapsed_DollarOpenCurlyBraces(t *testing.T) {
-	src := `<? "test ${foo}";`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    17,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    17,
-				},
-				Expr: &ast.ScalarEncapsed{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    16,
-					},
-					OpenQuoteTkn: &token.Token{
-						ID:    token.ID(34),
-						Value: []byte("\""),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    4,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_OPEN_TAG,
-								Value: []byte("<?"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  0,
-									EndPos:    2,
-								},
-							},
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  2,
-									EndPos:    3,
-								},
-							},
-						},
-					},
-					Parts: []ast.Vertex{
-						&ast.ScalarEncapsedStringPart{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  4,
-								EndPos:    9,
-							},
-							EncapsedStrTkn: &token.Token{
-								ID:    token.T_ENCAPSED_AND_WHITESPACE,
-								Value: []byte("test "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  4,
-									EndPos:    9,
-								},
-							},
-							Value: []byte("test "),
-						},
-						&ast.ScalarEncapsedStringVar{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  9,
-								EndPos:    15,
-							},
-							DollarOpenCurlyBracketTkn: &token.Token{
-								ID:    token.T_DOLLAR_OPEN_CURLY_BRACES,
-								Value: []byte("${"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  9,
-									EndPos:    11,
-								},
-							},
-							Name: &ast.Identifier{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  11,
-									EndPos:    14,
-								},
-								IdentifierTkn: &token.Token{
-									ID:    token.T_STRING_VARNAME,
-									Value: []byte("foo"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  11,
-										EndPos:    14,
-									},
-								},
-								Value: []byte("foo"),
-							},
-							CloseCurlyBracketTkn: &token.Token{
-								ID:    token.ID(125),
-								Value: []byte("}"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  14,
-									EndPos:    15,
-								},
-							},
-						},
-					},
-					CloseQuoteTkn: &token.Token{
-						ID:    token.ID(34),
-						Value: []byte("\""),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  15,
-							EndPos:    16,
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  16,
-						EndPos:    17,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestScalarEncapsed_DollarOpenCurlyBracesDimNumber(t *testing.T) {
-	src := `<? "test ${foo[0]}";`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    20,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    20,
-				},
-				Expr: &ast.ScalarEncapsed{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    19,
-					},
-					OpenQuoteTkn: &token.Token{
-						ID:    token.ID(34),
-						Value: []byte("\""),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    4,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_OPEN_TAG,
-								Value: []byte("<?"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  0,
-									EndPos:    2,
-								},
-							},
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  2,
-									EndPos:    3,
-								},
-							},
-						},
-					},
-					Parts: []ast.Vertex{
-						&ast.ScalarEncapsedStringPart{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  4,
-								EndPos:    9,
-							},
-							EncapsedStrTkn: &token.Token{
-								ID:    token.T_ENCAPSED_AND_WHITESPACE,
-								Value: []byte("test "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  4,
-									EndPos:    9,
-								},
-							},
-							Value: []byte("test "),
-						},
-						&ast.ScalarEncapsedStringVar{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  9,
-								EndPos:    15,
-							},
-							DollarOpenCurlyBracketTkn: &token.Token{
-								ID:    token.T_DOLLAR_OPEN_CURLY_BRACES,
-								Value: []byte("${"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  9,
-									EndPos:    11,
-								},
-							},
-							Name: &ast.Identifier{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  11,
-									EndPos:    14,
-								},
-								IdentifierTkn: &token.Token{
-									ID:    token.T_STRING_VARNAME,
-									Value: []byte("foo"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  11,
-										EndPos:    14,
-									},
-								},
-								Value: []byte("foo"),
-							},
-							OpenSquareBracketTkn: &token.Token{
-								ID:    token.ID(91),
-								Value: []byte("["),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  14,
-									EndPos:    15,
-								},
-							},
-							Dim: &ast.ScalarLnumber{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  15,
-									EndPos:    16,
-								},
-								NumberTkn: &token.Token{
-									ID:    token.T_LNUMBER,
-									Value: []byte("0"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  15,
-										EndPos:    16,
-									},
-								},
-								Value: []byte("0"),
-							},
-							CloseSquareBracketTkn: &token.Token{
-								ID:    token.ID(93),
-								Value: []byte("]"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  16,
-									EndPos:    17,
-								},
-							},
-							CloseCurlyBracketTkn: &token.Token{
-								ID:    token.ID(125),
-								Value: []byte("}"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  17,
-									EndPos:    18,
-								},
-							},
-						},
-					},
-					CloseQuoteTkn: &token.Token{
-						ID:    token.ID(34),
-						Value: []byte("\""),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  18,
-							EndPos:    19,
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  19,
-						EndPos:    20,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestScalarEncapsed_CurlyOpenMethodCall(t *testing.T) {
-	src := `<? "test {$foo->bar()}";`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    24,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    24,
-				},
-				Expr: &ast.ScalarEncapsed{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    23,
-					},
-					OpenQuoteTkn: &token.Token{
-						ID:    token.ID(34),
-						Value: []byte("\""),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    4,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_OPEN_TAG,
-								Value: []byte("<?"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  0,
-									EndPos:    2,
-								},
-							},
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  2,
-									EndPos:    3,
-								},
-							},
-						},
-					},
-					Parts: []ast.Vertex{
-						&ast.ScalarEncapsedStringPart{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  4,
-								EndPos:    9,
-							},
-							EncapsedStrTkn: &token.Token{
-								ID:    token.T_ENCAPSED_AND_WHITESPACE,
-								Value: []byte("test "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  4,
-									EndPos:    9,
-								},
-							},
-							Value: []byte("test "),
-						},
-						&ast.ScalarEncapsedStringBrackets{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  9,
-								EndPos:    22,
-							},
-							OpenCurlyBracketTkn: &token.Token{
-								ID:    token.T_CURLY_OPEN,
-								Value: []byte("{"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  9,
-									EndPos:    10,
-								},
-							},
-							Var: &ast.ExprMethodCall{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  10,
-									EndPos:    21,
-								},
-								Var: &ast.ExprVariable{
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  10,
-										EndPos:    14,
-									},
-									Name: &ast.Identifier{
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  10,
-											EndPos:    14,
-										},
-										IdentifierTkn: &token.Token{
-											ID:    token.T_VARIABLE,
-											Value: []byte("$foo"),
-											Position: &position.Position{
-												StartLine: 1,
-												EndLine:   1,
-												StartPos:  10,
-												EndPos:    14,
-											},
-										},
-										Value: []byte("$foo"),
-									},
-								},
-								ObjectOperatorTkn: &token.Token{
-									ID:    token.T_OBJECT_OPERATOR,
-									Value: []byte("->"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  14,
-										EndPos:    16,
-									},
-								},
-								Method: &ast.Identifier{
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  16,
-										EndPos:    19,
-									},
-									IdentifierTkn: &token.Token{
-										ID:    token.T_STRING,
-										Value: []byte("bar"),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  16,
-											EndPos:    19,
-										},
-									},
-									Value: []byte("bar"),
-								},
-								OpenParenthesisTkn: &token.Token{
-									ID:    token.ID(40),
-									Value: []byte("("),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  19,
-										EndPos:    20,
-									},
-								},
-								CloseParenthesisTkn: &token.Token{
-									ID:    token.ID(41),
-									Value: []byte(")"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  20,
-										EndPos:    21,
-									},
-								},
-							},
-							CloseCurlyBracketTkn: &token.Token{
-								ID:    token.ID(125),
-								Value: []byte("}"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  21,
-									EndPos:    22,
-								},
-							},
-						},
-					},
-					CloseQuoteTkn: &token.Token{
-						ID:    token.ID(34),
-						Value: []byte("\""),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  22,
-							EndPos:    23,
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  23,
-						EndPos:    24,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestScalarHeredoc_HeredocSimpleLabel(t *testing.T) {
-	src := `<? <<<LBL
-test $var
-LBL;
-`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   3,
-			StartPos:  3,
-			EndPos:    24,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   3,
-					StartPos:  3,
-					EndPos:    24,
-				},
-				Expr: &ast.ScalarHeredoc{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   3,
-						StartPos:  3,
-						EndPos:    23,
-					},
-					OpenHeredocTkn: &token.Token{
-						ID:    token.T_START_HEREDOC,
-						Value: []byte("<<<LBL\n"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    10,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_OPEN_TAG,
-								Value: []byte("<?"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  0,
-									EndPos:    2,
-								},
-							},
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  2,
-									EndPos:    3,
-								},
-							},
-						},
-					},
-					Parts: []ast.Vertex{
-						&ast.ScalarEncapsedStringPart{
-							Position: &position.Position{
-								StartLine: 2,
-								EndLine:   2,
-								StartPos:  10,
-								EndPos:    15,
-							},
-							EncapsedStrTkn: &token.Token{
-								ID:    token.T_ENCAPSED_AND_WHITESPACE,
-								Value: []byte("test "),
-								Position: &position.Position{
-									StartLine: 2,
-									EndLine:   2,
-									StartPos:  10,
-									EndPos:    15,
-								},
-							},
-							Value: []byte("test "),
-						},
-						&ast.ExprVariable{
-							Position: &position.Position{
-								StartLine: 2,
-								EndLine:   2,
-								StartPos:  15,
-								EndPos:    19,
-							},
-							Name: &ast.Identifier{
-								Position: &position.Position{
-									StartLine: 2,
-									EndLine:   2,
-									StartPos:  15,
-									EndPos:    19,
-								},
-								IdentifierTkn: &token.Token{
-									ID:    token.T_VARIABLE,
-									Value: []byte("$var"),
-									Position: &position.Position{
-										StartLine: 2,
-										EndLine:   2,
-										StartPos:  15,
-										EndPos:    19,
-									},
-								},
-								Value: []byte("$var"),
-							},
-						},
-						&ast.ScalarEncapsedStringPart{
-							Position: &position.Position{
-								StartLine: 2,
-								EndLine:   2,
-								StartPos:  19,
-								EndPos:    20,
-							},
-							EncapsedStrTkn: &token.Token{
-								ID:    token.T_ENCAPSED_AND_WHITESPACE,
-								Value: []byte("\n"),
-								Position: &position.Position{
-									StartLine: 2,
-									EndLine:   2,
-									StartPos:  19,
-									EndPos:    20,
-								},
-							},
-							Value: []byte("\n"),
-						},
-					},
-					CloseHeredocTkn: &token.Token{
-						ID:    token.T_END_HEREDOC,
-						Value: []byte("LBL"),
-						Position: &position.Position{
-							StartLine: 3,
-							EndLine:   3,
-							StartPos:  20,
-							EndPos:    23,
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 3,
-						EndLine:   3,
-						StartPos:  23,
-						EndPos:    24,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{
-			FreeFloating: []*token.Token{
-				{
-					ID:    token.T_WHITESPACE,
-					Value: []byte("\n"),
-					Position: &position.Position{
-						StartLine: 3,
-						EndLine:   3,
-						StartPos:  24,
-						EndPos:    25,
-					},
-				},
-			},
-		},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestScalarHeredoc_SimpleHeredocLabel(t *testing.T) {
-	src := `<? <<<"LBL"
-test $var
-LBL;
-`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   3,
-			StartPos:  3,
-			EndPos:    26,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   3,
-					StartPos:  3,
-					EndPos:    26,
-				},
-				Expr: &ast.ScalarHeredoc{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   3,
-						StartPos:  3,
-						EndPos:    25,
-					},
-					OpenHeredocTkn: &token.Token{
-						ID:    token.T_START_HEREDOC,
-						Value: []byte("<<<\"LBL\"\n"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    12,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_OPEN_TAG,
-								Value: []byte("<?"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  0,
-									EndPos:    2,
-								},
-							},
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  2,
-									EndPos:    3,
-								},
-							},
-						},
-					},
-					Parts: []ast.Vertex{
-						&ast.ScalarEncapsedStringPart{
-							Position: &position.Position{
-								StartLine: 2,
-								EndLine:   2,
-								StartPos:  12,
-								EndPos:    17,
-							},
-							EncapsedStrTkn: &token.Token{
-								ID:    token.T_ENCAPSED_AND_WHITESPACE,
-								Value: []byte("test "),
-								Position: &position.Position{
-									StartLine: 2,
-									EndLine:   2,
-									StartPos:  12,
-									EndPos:    17,
-								},
-							},
-							Value: []byte("test "),
-						},
-						&ast.ExprVariable{
-							Position: &position.Position{
-								StartLine: 2,
-								EndLine:   2,
-								StartPos:  17,
-								EndPos:    21,
-							},
-							Name: &ast.Identifier{
-								Position: &position.Position{
-									StartLine: 2,
-									EndLine:   2,
-									StartPos:  17,
-									EndPos:    21,
-								},
-								IdentifierTkn: &token.Token{
-									ID:    token.T_VARIABLE,
-									Value: []byte("$var"),
-									Position: &position.Position{
-										StartLine: 2,
-										EndLine:   2,
-										StartPos:  17,
-										EndPos:    21,
-									},
-								},
-								Value: []byte("$var"),
-							},
-						},
-						&ast.ScalarEncapsedStringPart{
-							Position: &position.Position{
-								StartLine: 2,
-								EndLine:   2,
-								StartPos:  21,
-								EndPos:    22,
-							},
-							EncapsedStrTkn: &token.Token{
-								ID:    token.T_ENCAPSED_AND_WHITESPACE,
-								Value: []byte("\n"),
-								Position: &position.Position{
-									StartLine: 2,
-									EndLine:   2,
-									StartPos:  21,
-									EndPos:    22,
-								},
-							},
-							Value: []byte("\n"),
-						},
-					},
-					CloseHeredocTkn: &token.Token{
-						ID:    token.T_END_HEREDOC,
-						Value: []byte("LBL"),
-						Position: &position.Position{
-							StartLine: 3,
-							EndLine:   3,
-							StartPos:  22,
-							EndPos:    25,
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 3,
-						EndLine:   3,
-						StartPos:  25,
-						EndPos:    26,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{
-			FreeFloating: []*token.Token{
-				{
-					ID:    token.T_WHITESPACE,
-					Value: []byte("\n"),
-					Position: &position.Position{
-						StartLine: 3,
-						EndLine:   3,
-						StartPos:  26,
-						EndPos:    27,
-					},
-				},
-			},
-		},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestScalarHeredoc_SimpleNowdocLabel(t *testing.T) {
-	src := `<? <<<'LBL'
-test $var
-LBL;
-`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   3,
-			StartPos:  3,
-			EndPos:    26,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   3,
-					StartPos:  3,
-					EndPos:    26,
-				},
-				Expr: &ast.ScalarHeredoc{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   3,
-						StartPos:  3,
-						EndPos:    25,
-					},
-					OpenHeredocTkn: &token.Token{
-						ID:    token.T_START_HEREDOC,
-						Value: []byte("<<<'LBL'\n"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    12,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_OPEN_TAG,
-								Value: []byte("<?"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  0,
-									EndPos:    2,
-								},
-							},
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  2,
-									EndPos:    3,
-								},
-							},
-						},
-					},
-					Parts: []ast.Vertex{
-						&ast.ScalarEncapsedStringPart{
-							Position: &position.Position{
-								StartLine: 2,
-								EndLine:   2,
-								StartPos:  12,
-								EndPos:    22,
-							},
-							EncapsedStrTkn: &token.Token{
-								ID:    token.T_ENCAPSED_AND_WHITESPACE,
-								Value: []byte("test $var\n"),
-								Position: &position.Position{
-									StartLine: 2,
-									EndLine:   2,
-									StartPos:  12,
-									EndPos:    22,
-								},
-							},
-							Value: []byte("test $var\n"),
-						},
-					},
-					CloseHeredocTkn: &token.Token{
-						ID:    token.T_END_HEREDOC,
-						Value: []byte("LBL"),
-						Position: &position.Position{
-							StartLine: 3,
-							EndLine:   3,
-							StartPos:  22,
-							EndPos:    25,
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 3,
-						EndLine:   3,
-						StartPos:  25,
-						EndPos:    26,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{
-			FreeFloating: []*token.Token{
-				{
-					ID:    token.T_WHITESPACE,
-					Value: []byte("\n"),
-					Position: &position.Position{
-						StartLine: 3,
-						EndLine:   3,
-						StartPos:  26,
-						EndPos:    27,
-					},
-				},
-			},
-		},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestScalarHeredoc_EmptyHeredoc(t *testing.T) {
-	src := `<? <<<CAD
-CAD;
-`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   2,
-			StartPos:  3,
-			EndPos:    14,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   2,
-					StartPos:  3,
-					EndPos:    14,
-				},
-				Expr: &ast.ScalarHeredoc{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   2,
-						StartPos:  3,
-						EndPos:    13,
-					},
-					OpenHeredocTkn: &token.Token{
-						ID:    token.T_START_HEREDOC,
-						Value: []byte("<<<CAD\n"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    10,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_OPEN_TAG,
-								Value: []byte("<?"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  0,
-									EndPos:    2,
-								},
-							},
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  2,
-									EndPos:    3,
-								},
-							},
-						},
-					},
-					CloseHeredocTkn: &token.Token{
-						ID:    token.T_END_HEREDOC,
-						Value: []byte("CAD"),
-						Position: &position.Position{
-							StartLine: 2,
-							EndLine:   2,
-							StartPos:  10,
-							EndPos:    13,
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 2,
-						EndLine:   2,
-						StartPos:  13,
-						EndPos:    14,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{
-			FreeFloating: []*token.Token{
-				{
-					ID:    token.T_WHITESPACE,
-					Value: []byte("\n"),
-					Position: &position.Position{
-						StartLine: 2,
-						EndLine:   2,
-						StartPos:  14,
-						EndPos:    15,
-					},
-				},
-			},
-		},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestScalarHeredoc_HeredocScalarString(t *testing.T) {
-	src := `<? <<<CAD
-	hello
-CAD;
-`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   3,
-			StartPos:  3,
-			EndPos:    21,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   3,
-					StartPos:  3,
-					EndPos:    21,
-				},
-				Expr: &ast.ScalarHeredoc{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   3,
-						StartPos:  3,
-						EndPos:    20,
-					},
-					OpenHeredocTkn: &token.Token{
-						ID:    token.T_START_HEREDOC,
-						Value: []byte("<<<CAD\n"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    10,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_OPEN_TAG,
-								Value: []byte("<?"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  0,
-									EndPos:    2,
-								},
-							},
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  2,
-									EndPos:    3,
-								},
-							},
-						},
-					},
-					Parts: []ast.Vertex{
-						&ast.ScalarEncapsedStringPart{
-							Position: &position.Position{
-								StartLine: 2,
-								EndLine:   2,
-								StartPos:  10,
-								EndPos:    17,
-							},
-							EncapsedStrTkn: &token.Token{
-								ID:    token.T_ENCAPSED_AND_WHITESPACE,
-								Value: []byte("\thello\n"),
-								Position: &position.Position{
-									StartLine: 2,
-									EndLine:   2,
-									StartPos:  10,
-									EndPos:    17,
-								},
-							},
-							Value: []byte("\thello\n"),
-						},
-					},
-					CloseHeredocTkn: &token.Token{
-						ID:    token.T_END_HEREDOC,
-						Value: []byte("CAD"),
-						Position: &position.Position{
-							StartLine: 3,
-							EndLine:   3,
-							StartPos:  17,
-							EndPos:    20,
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 3,
-						EndLine:   3,
-						StartPos:  20,
-						EndPos:    21,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{
-			FreeFloating: []*token.Token{
-				{
-					ID:    token.T_WHITESPACE,
-					Value: []byte("\n"),
-					Position: &position.Position{
-						StartLine: 3,
-						EndLine:   3,
-						StartPos:  21,
-						EndPos:    22,
-					},
-				},
-			},
-		},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestScalarMagicConstant(t *testing.T) {
-	// TODO: test all magic constants
-	src := `<? __DIR__;`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    11,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    11,
-				},
-				Expr: &ast.ScalarMagicConstant{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    10,
-					},
-					MagicConstTkn: &token.Token{
-						ID:    token.T_DIR,
-						Value: []byte("__DIR__"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    10,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_OPEN_TAG,
-								Value: []byte("<?"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  0,
-									EndPos:    2,
-								},
-							},
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  2,
-									EndPos:    3,
-								},
-							},
-						},
-					},
-					Value: []byte("__DIR__"),
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  10,
-						EndPos:    11,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestScalarNumber_LNumber(t *testing.T) {
-	src := `<? 1234567890123456789;`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    23,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    23,
-				},
-				Expr: &ast.ScalarLnumber{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    22,
-					},
-					NumberTkn: &token.Token{
-						ID:    token.T_LNUMBER,
-						Value: []byte("1234567890123456789"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    22,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_OPEN_TAG,
-								Value: []byte("<?"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  0,
-									EndPos:    2,
-								},
-							},
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  2,
-									EndPos:    3,
-								},
-							},
-						},
-					},
-					Value: []byte("1234567890123456789"),
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  22,
-						EndPos:    23,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestScalarNumber_DNumber(t *testing.T) {
-	src := `<? 12345678901234567890;`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    24,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    24,
-				},
-				Expr: &ast.ScalarDnumber{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    23,
-					},
-					NumberTkn: &token.Token{
-						ID:    token.T_DNUMBER,
-						Value: []byte("12345678901234567890"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    23,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_OPEN_TAG,
-								Value: []byte("<?"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  0,
-									EndPos:    2,
-								},
-							},
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  2,
-									EndPos:    3,
-								},
-							},
-						},
-					},
-					Value: []byte("12345678901234567890"),
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  23,
-						EndPos:    24,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestScalarNumber_Float(t *testing.T) {
-	src := `<? 0.;`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    6,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    6,
-				},
-				Expr: &ast.ScalarDnumber{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    5,
-					},
-					NumberTkn: &token.Token{
-						ID:    token.T_DNUMBER,
-						Value: []byte("0."),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    5,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_OPEN_TAG,
-								Value: []byte("<?"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  0,
-									EndPos:    2,
-								},
-							},
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  2,
-									EndPos:    3,
-								},
-							},
-						},
-					},
-					Value: []byte("0."),
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  5,
-						EndPos:    6,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestScalarNumber_BinaryLNumber(t *testing.T) {
-	src := `<? 0b0111111111111111111111111111111111111111111111111111111111111111;`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    70,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    70,
-				},
-				Expr: &ast.ScalarLnumber{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    69,
-					},
-					NumberTkn: &token.Token{
-						ID:    token.T_LNUMBER,
-						Value: []byte("0b0111111111111111111111111111111111111111111111111111111111111111"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    69,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_OPEN_TAG,
-								Value: []byte("<?"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  0,
-									EndPos:    2,
-								},
-							},
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  2,
-									EndPos:    3,
-								},
-							},
-						},
-					},
-					Value: []byte("0b0111111111111111111111111111111111111111111111111111111111111111"),
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  69,
-						EndPos:    70,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestScalarNumber_BinaryDNumber(t *testing.T) {
-	src := `<? 0b1111111111111111111111111111111111111111111111111111111111111111;`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    70,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    70,
-				},
-				Expr: &ast.ScalarDnumber{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    69,
-					},
-					NumberTkn: &token.Token{
-						ID:    token.T_DNUMBER,
-						Value: []byte("0b1111111111111111111111111111111111111111111111111111111111111111"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    69,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_OPEN_TAG,
-								Value: []byte("<?"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  0,
-									EndPos:    2,
-								},
-							},
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  2,
-									EndPos:    3,
-								},
-							},
-						},
-					},
-					Value: []byte("0b1111111111111111111111111111111111111111111111111111111111111111"),
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  69,
-						EndPos:    70,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestScalarNumber_HLNumber(t *testing.T) {
-	src := `<? 0x007111111111111111;`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    24,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    24,
-				},
-				Expr: &ast.ScalarLnumber{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    23,
-					},
-					NumberTkn: &token.Token{
-						ID:    token.T_LNUMBER,
-						Value: []byte("0x007111111111111111"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    23,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_OPEN_TAG,
-								Value: []byte("<?"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  0,
-									EndPos:    2,
-								},
-							},
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  2,
-									EndPos:    3,
-								},
-							},
-						},
-					},
-					Value: []byte("0x007111111111111111"),
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  23,
-						EndPos:    24,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestScalarNumber_HDNumber(t *testing.T) {
-	src := `<? 0x8111111111111111;`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    22,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    22,
-				},
-				Expr: &ast.ScalarDnumber{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    21,
-					},
-					NumberTkn: &token.Token{
-						ID:    token.T_DNUMBER,
-						Value: []byte("0x8111111111111111"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    21,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_OPEN_TAG,
-								Value: []byte("<?"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  0,
-									EndPos:    2,
-								},
-							},
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  2,
-									EndPos:    3,
-								},
-							},
-						},
-					},
-					Value: []byte("0x8111111111111111"),
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  21,
-						EndPos:    22,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestScalarString_DoubleQuotedScalarString(t *testing.T) {
-	src := `<? "test";`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    10,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    10,
-				},
-				Expr: &ast.ScalarString{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    9,
-					},
-					StringTkn: &token.Token{
-						ID:    token.T_CONSTANT_ENCAPSED_STRING,
-						Value: []byte("\"test\""),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    9,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_OPEN_TAG,
-								Value: []byte("<?"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  0,
-									EndPos:    2,
-								},
-							},
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  2,
-									EndPos:    3,
-								},
-							},
-						},
-					},
-					Value: []byte("\"test\""),
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  9,
-						EndPos:    10,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestScalarString_DoubleQuotedScalarStringWithEscapedVar(t *testing.T) {
-	src := `<? "\$test";`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    12,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    12,
-				},
-				Expr: &ast.ScalarString{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    11,
-					},
-					StringTkn: &token.Token{
-						ID:    token.T_CONSTANT_ENCAPSED_STRING,
-						Value: []byte("\"\\$test\""),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    11,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_OPEN_TAG,
-								Value: []byte("<?"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  0,
-									EndPos:    2,
-								},
-							},
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  2,
-									EndPos:    3,
-								},
-							},
-						},
-					},
-					Value: []byte("\"\\$test\""),
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  11,
-						EndPos:    12,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestScalarString_MultilineDoubleQuotedScalarString(t *testing.T) {
-	src := `<? "
-	test
-	";`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   3,
-			StartPos:  3,
-			EndPos:    14,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   3,
-					StartPos:  3,
-					EndPos:    14,
-				},
-				Expr: &ast.ScalarString{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   3,
-						StartPos:  3,
-						EndPos:    13,
-					},
-					StringTkn: &token.Token{
-						ID:    token.T_CONSTANT_ENCAPSED_STRING,
-						Value: []byte("\"\n\ttest\n\t\""),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   3,
-							StartPos:  3,
-							EndPos:    13,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_OPEN_TAG,
-								Value: []byte("<?"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  0,
-									EndPos:    2,
-								},
-							},
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  2,
-									EndPos:    3,
-								},
-							},
-						},
-					},
-					Value: []byte("\"\n\ttest\n\t\""),
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 3,
-						EndLine:   3,
-						StartPos:  13,
-						EndPos:    14,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestScalarString_SingleQuotedScalarString(t *testing.T) {
-	src := `<? '$test';`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    11,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    11,
-				},
-				Expr: &ast.ScalarString{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    10,
-					},
-					StringTkn: &token.Token{
-						ID:    token.T_CONSTANT_ENCAPSED_STRING,
-						Value: []byte("'$test'"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    10,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_OPEN_TAG,
-								Value: []byte("<?"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  0,
-									EndPos:    2,
-								},
-							},
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  2,
-									EndPos:    3,
-								},
-							},
-						},
-					},
-					Value: []byte("'$test'"),
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  10,
-						EndPos:    11,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestScalarString_MultilineSingleQuotedScalarString(t *testing.T) {
-	src := `<? '
-	$test
-	';`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   3,
-			StartPos:  3,
-			EndPos:    15,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   3,
-					StartPos:  3,
-					EndPos:    15,
-				},
-				Expr: &ast.ScalarString{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   3,
-						StartPos:  3,
-						EndPos:    14,
-					},
-					StringTkn: &token.Token{
-						ID:    token.T_CONSTANT_ENCAPSED_STRING,
-						Value: []byte("'\n\t$test\n\t'"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   3,
-							StartPos:  3,
-							EndPos:    14,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_OPEN_TAG,
-								Value: []byte("<?"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  0,
-									EndPos:    2,
-								},
-							},
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  2,
-									EndPos:    3,
-								},
-							},
-						},
-					},
-					Value: []byte("'\n\t$test\n\t'"),
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 3,
-						EndLine:   3,
-						StartPos:  14,
-						EndPos:    15,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-// stmt
-
-func TestStmtAltIf_AltIf(t *testing.T) {
-	src := `<?
-		if ($a) :
-		endif;`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 2,
-			EndLine:   3,
-			StartPos:  5,
-			EndPos:    23,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtIf{
-				Position: &position.Position{
-					StartLine: 2,
-					EndLine:   3,
-					StartPos:  5,
-					EndPos:    23,
-				},
-				IfTkn: &token.Token{
-					ID:    token.T_IF,
-					Value: []byte("if"),
-					Position: &position.Position{
-						StartLine: 2,
-						EndLine:   2,
-						StartPos:  5,
-						EndPos:    7,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_OPEN_TAG,
-							Value: []byte("<?"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  0,
-								EndPos:    2,
-							},
-						},
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte("\n\t\t"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   2,
-								StartPos:  2,
-								EndPos:    5,
-							},
-						},
-					},
-				},
-				OpenParenthesisTkn: &token.Token{
-					ID:    token.ID(40),
-					Value: []byte("("),
-					Position: &position.Position{
-						StartLine: 2,
-						EndLine:   2,
-						StartPos:  8,
-						EndPos:    9,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 2,
-								EndLine:   2,
-								StartPos:  7,
-								EndPos:    8,
-							},
-						},
-					},
-				},
-				Cond: &ast.ExprVariable{
-					Position: &position.Position{
-						StartLine: 2,
-						EndLine:   2,
-						StartPos:  9,
-						EndPos:    11,
-					},
-					Name: &ast.Identifier{
-						Position: &position.Position{
-							StartLine: 2,
-							EndLine:   2,
-							StartPos:  9,
-							EndPos:    11,
-						},
-						IdentifierTkn: &token.Token{
-							ID:    token.T_VARIABLE,
-							Value: []byte("$a"),
-							Position: &position.Position{
-								StartLine: 2,
-								EndLine:   2,
-								StartPos:  9,
-								EndPos:    11,
-							},
-						},
-						Value: []byte("$a"),
-					},
-				},
-				CloseParenthesisTkn: &token.Token{
-					ID:    token.ID(41),
-					Value: []byte(")"),
-					Position: &position.Position{
-						StartLine: 2,
-						EndLine:   2,
-						StartPos:  11,
-						EndPos:    12,
-					},
-				},
-				ColonTkn: &token.Token{
-					ID:    token.ID(58),
-					Value: []byte(":"),
-					Position: &position.Position{
-						StartLine: 2,
-						EndLine:   2,
-						StartPos:  13,
-						EndPos:    14,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 2,
-								EndLine:   2,
-								StartPos:  12,
-								EndPos:    13,
-							},
-						},
-					},
-				},
-				Stmt: &ast.StmtStmtList{
-					Position: &position.Position{
-						StartLine: -1,
-						EndLine:   -1,
-						StartPos:  -1,
-						EndPos:    -1,
-					},
-					Stmts: []ast.Vertex{},
-				},
-				EndIfTkn: &token.Token{
-					ID:    token.T_ENDIF,
-					Value: []byte("endif"),
-					Position: &position.Position{
-						StartLine: 3,
-						EndLine:   3,
-						StartPos:  17,
-						EndPos:    22,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte("\n\t\t"),
-							Position: &position.Position{
-								StartLine: 2,
-								EndLine:   3,
-								StartPos:  14,
-								EndPos:    17,
-							},
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 3,
-						EndLine:   3,
-						StartPos:  22,
-						EndPos:    23,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestStmtAltIf_AltElseIf(t *testing.T) {
-	src := `<?
-		if ($a) :
-		elseif ($b):
-		endif;
-	`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 2,
-			EndLine:   4,
-			StartPos:  5,
-			EndPos:    38,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtIf{
-				Position: &position.Position{
-					StartLine: 2,
-					EndLine:   4,
-					StartPos:  5,
-					EndPos:    38,
-				},
-				IfTkn: &token.Token{
-					ID:    token.T_IF,
-					Value: []byte("if"),
-					Position: &position.Position{
-						StartLine: 2,
-						EndLine:   2,
-						StartPos:  5,
-						EndPos:    7,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_OPEN_TAG,
-							Value: []byte("<?"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  0,
-								EndPos:    2,
-							},
-						},
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte("\n\t\t"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   2,
-								StartPos:  2,
-								EndPos:    5,
-							},
-						},
-					},
-				},
-				OpenParenthesisTkn: &token.Token{
-					ID:    token.ID(40),
-					Value: []byte("("),
-					Position: &position.Position{
-						StartLine: 2,
-						EndLine:   2,
-						StartPos:  8,
-						EndPos:    9,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 2,
-								EndLine:   2,
-								StartPos:  7,
-								EndPos:    8,
-							},
-						},
-					},
-				},
-				Cond: &ast.ExprVariable{
-					Position: &position.Position{
-						StartLine: 2,
-						EndLine:   2,
-						StartPos:  9,
-						EndPos:    11,
-					},
-					Name: &ast.Identifier{
-						Position: &position.Position{
-							StartLine: 2,
-							EndLine:   2,
-							StartPos:  9,
-							EndPos:    11,
-						},
-						IdentifierTkn: &token.Token{
-							ID:    token.T_VARIABLE,
-							Value: []byte("$a"),
-							Position: &position.Position{
-								StartLine: 2,
-								EndLine:   2,
-								StartPos:  9,
-								EndPos:    11,
-							},
-						},
-						Value: []byte("$a"),
-					},
-				},
-				CloseParenthesisTkn: &token.Token{
-					ID:    token.ID(41),
-					Value: []byte(")"),
-					Position: &position.Position{
-						StartLine: 2,
-						EndLine:   2,
-						StartPos:  11,
-						EndPos:    12,
-					},
-				},
-				ColonTkn: &token.Token{
-					ID:    token.ID(58),
-					Value: []byte(":"),
-					Position: &position.Position{
-						StartLine: 2,
-						EndLine:   2,
-						StartPos:  13,
-						EndPos:    14,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 2,
-								EndLine:   2,
-								StartPos:  12,
-								EndPos:    13,
-							},
-						},
-					},
-				},
-				Stmt: &ast.StmtStmtList{
-					Position: &position.Position{
-						StartLine: -1,
-						EndLine:   -1,
-						StartPos:  -1,
-						EndPos:    -1,
-					},
-					Stmts: []ast.Vertex{},
-				},
-				ElseIf: []ast.Vertex{
-					&ast.StmtElseIf{
-						Position: &position.Position{
-							StartLine: 3,
-							EndLine:   -1,
-							StartPos:  17,
-							EndPos:    -1,
-						},
-						ElseIfTkn: &token.Token{
-							ID:    token.T_ELSEIF,
-							Value: []byte("elseif"),
-							Position: &position.Position{
-								StartLine: 3,
-								EndLine:   3,
-								StartPos:  17,
-								EndPos:    23,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte("\n\t\t"),
-									Position: &position.Position{
-										StartLine: 2,
-										EndLine:   3,
-										StartPos:  14,
-										EndPos:    17,
-									},
-								},
-							},
-						},
-						OpenParenthesisTkn: &token.Token{
-							ID:    token.ID(40),
-							Value: []byte("("),
-							Position: &position.Position{
-								StartLine: 3,
-								EndLine:   3,
-								StartPos:  24,
-								EndPos:    25,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 3,
-										EndLine:   3,
-										StartPos:  23,
-										EndPos:    24,
-									},
-								},
-							},
-						},
-						Cond: &ast.ExprVariable{
-							Position: &position.Position{
-								StartLine: 3,
-								EndLine:   3,
-								StartPos:  25,
-								EndPos:    27,
-							},
-							Name: &ast.Identifier{
-								Position: &position.Position{
-									StartLine: 3,
-									EndLine:   3,
-									StartPos:  25,
-									EndPos:    27,
-								},
-								IdentifierTkn: &token.Token{
-									ID:    token.T_VARIABLE,
-									Value: []byte("$b"),
-									Position: &position.Position{
-										StartLine: 3,
-										EndLine:   3,
-										StartPos:  25,
-										EndPos:    27,
-									},
-								},
-								Value: []byte("$b"),
-							},
-						},
-						CloseParenthesisTkn: &token.Token{
-							ID:    token.ID(41),
-							Value: []byte(")"),
-							Position: &position.Position{
-								StartLine: 3,
-								EndLine:   3,
-								StartPos:  27,
-								EndPos:    28,
-							},
-						},
-						ColonTkn: &token.Token{
-							ID:    token.ID(58),
-							Value: []byte(":"),
-							Position: &position.Position{
-								StartLine: 3,
-								EndLine:   3,
-								StartPos:  28,
-								EndPos:    29,
-							},
-						},
-						Stmt: &ast.StmtStmtList{
-							Position: &position.Position{
-								StartLine: -1,
-								EndLine:   -1,
-								StartPos:  -1,
-								EndPos:    -1,
-							},
-							Stmts: []ast.Vertex{},
-						},
-					},
-				},
-				EndIfTkn: &token.Token{
-					ID:    token.T_ENDIF,
-					Value: []byte("endif"),
-					Position: &position.Position{
-						StartLine: 4,
-						EndLine:   4,
-						StartPos:  32,
-						EndPos:    37,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte("\n\t\t"),
-							Position: &position.Position{
-								StartLine: 3,
-								EndLine:   4,
-								StartPos:  29,
-								EndPos:    32,
-							},
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 4,
-						EndLine:   4,
-						StartPos:  37,
-						EndPos:    38,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{
-			FreeFloating: []*token.Token{
-				{
-					ID:    token.T_WHITESPACE,
-					Value: []byte("\n\t"),
-					Position: &position.Position{
-						StartLine: 4,
-						EndLine:   5,
-						StartPos:  38,
-						EndPos:    40,
-					},
-				},
-			},
-		},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestStmtAltIf_AltElse(t *testing.T) {
-	src := `<?
-		if ($a) :
-		else:
-		endif;
-	`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 2,
-			EndLine:   4,
-			StartPos:  5,
-			EndPos:    31,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtIf{
-				Position: &position.Position{
-					StartLine: 2,
-					EndLine:   4,
-					StartPos:  5,
-					EndPos:    31,
-				},
-				IfTkn: &token.Token{
-					ID:    token.T_IF,
-					Value: []byte("if"),
-					Position: &position.Position{
-						StartLine: 2,
-						EndLine:   2,
-						StartPos:  5,
-						EndPos:    7,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_OPEN_TAG,
-							Value: []byte("<?"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  0,
-								EndPos:    2,
-							},
-						},
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte("\n\t\t"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   2,
-								StartPos:  2,
-								EndPos:    5,
-							},
-						},
-					},
-				},
-				OpenParenthesisTkn: &token.Token{
-					ID:    token.ID(40),
-					Value: []byte("("),
-					Position: &position.Position{
-						StartLine: 2,
-						EndLine:   2,
-						StartPos:  8,
-						EndPos:    9,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 2,
-								EndLine:   2,
-								StartPos:  7,
-								EndPos:    8,
-							},
-						},
-					},
-				},
-				Cond: &ast.ExprVariable{
-					Position: &position.Position{
-						StartLine: 2,
-						EndLine:   2,
-						StartPos:  9,
-						EndPos:    11,
-					},
-					Name: &ast.Identifier{
-						Position: &position.Position{
-							StartLine: 2,
-							EndLine:   2,
-							StartPos:  9,
-							EndPos:    11,
-						},
-						IdentifierTkn: &token.Token{
-							ID:    token.T_VARIABLE,
-							Value: []byte("$a"),
-							Position: &position.Position{
-								StartLine: 2,
-								EndLine:   2,
-								StartPos:  9,
-								EndPos:    11,
-							},
-						},
-						Value: []byte("$a"),
-					},
-				},
-				CloseParenthesisTkn: &token.Token{
-					ID:    token.ID(41),
-					Value: []byte(")"),
-					Position: &position.Position{
-						StartLine: 2,
-						EndLine:   2,
-						StartPos:  11,
-						EndPos:    12,
-					},
-				},
-				ColonTkn: &token.Token{
-					ID:    token.ID(58),
-					Value: []byte(":"),
-					Position: &position.Position{
-						StartLine: 2,
-						EndLine:   2,
-						StartPos:  13,
-						EndPos:    14,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 2,
-								EndLine:   2,
-								StartPos:  12,
-								EndPos:    13,
-							},
-						},
-					},
-				},
-				Stmt: &ast.StmtStmtList{
-					Position: &position.Position{
-						StartLine: -1,
-						EndLine:   -1,
-						StartPos:  -1,
-						EndPos:    -1,
-					},
-					Stmts: []ast.Vertex{},
-				},
-				Else: &ast.StmtElse{
-					Position: &position.Position{
-						StartLine: 3,
-						EndLine:   -1,
-						StartPos:  17,
-						EndPos:    -1,
-					},
-					ElseTkn: &token.Token{
-						ID:    token.T_ELSE,
-						Value: []byte("else"),
-						Position: &position.Position{
-							StartLine: 3,
-							EndLine:   3,
-							StartPos:  17,
-							EndPos:    21,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte("\n\t\t"),
-								Position: &position.Position{
-									StartLine: 2,
-									EndLine:   3,
-									StartPos:  14,
-									EndPos:    17,
-								},
-							},
-						},
-					},
-					ColonTkn: &token.Token{
-						ID:    token.ID(58),
-						Value: []byte(":"),
-						Position: &position.Position{
-							StartLine: 3,
-							EndLine:   3,
-							StartPos:  21,
-							EndPos:    22,
-						},
-					},
-					Stmt: &ast.StmtStmtList{
-						Position: &position.Position{
-							StartLine: -1,
-							EndLine:   -1,
-							StartPos:  -1,
-							EndPos:    -1,
-						},
-						Stmts: []ast.Vertex{},
-					},
-				},
-				EndIfTkn: &token.Token{
-					ID:    token.T_ENDIF,
-					Value: []byte("endif"),
-					Position: &position.Position{
-						StartLine: 4,
-						EndLine:   4,
-						StartPos:  25,
-						EndPos:    30,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte("\n\t\t"),
-							Position: &position.Position{
-								StartLine: 3,
-								EndLine:   4,
-								StartPos:  22,
-								EndPos:    25,
-							},
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 4,
-						EndLine:   4,
-						StartPos:  30,
-						EndPos:    31,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{
-			FreeFloating: []*token.Token{
-				{
-					ID:    token.T_WHITESPACE,
-					Value: []byte("\n\t"),
-					Position: &position.Position{
-						StartLine: 4,
-						EndLine:   5,
-						StartPos:  31,
-						EndPos:    33,
-					},
-				},
-			},
-		},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestStmtAltIf_AltElseElseIf(t *testing.T) {
-	src := `<?
-		if ($a) :
-		elseif ($b):
-		elseif ($c):
-		else:
-		endif;
-	`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 2,
-			EndLine:   6,
-			StartPos:  5,
-			EndPos:    61,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtIf{
-				Position: &position.Position{
-					StartLine: 2,
-					EndLine:   6,
-					StartPos:  5,
-					EndPos:    61,
-				},
-				IfTkn: &token.Token{
-					ID:    token.T_IF,
-					Value: []byte("if"),
-					Position: &position.Position{
-						StartLine: 2,
-						EndLine:   2,
-						StartPos:  5,
-						EndPos:    7,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_OPEN_TAG,
-							Value: []byte("<?"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  0,
-								EndPos:    2,
-							},
-						},
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte("\n\t\t"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   2,
-								StartPos:  2,
-								EndPos:    5,
-							},
-						},
-					},
-				},
-				OpenParenthesisTkn: &token.Token{
-					ID:    token.ID(40),
-					Value: []byte("("),
-					Position: &position.Position{
-						StartLine: 2,
-						EndLine:   2,
-						StartPos:  8,
-						EndPos:    9,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 2,
-								EndLine:   2,
-								StartPos:  7,
-								EndPos:    8,
-							},
-						},
-					},
-				},
-				Cond: &ast.ExprVariable{
-					Position: &position.Position{
-						StartLine: 2,
-						EndLine:   2,
-						StartPos:  9,
-						EndPos:    11,
-					},
-					Name: &ast.Identifier{
-						Position: &position.Position{
-							StartLine: 2,
-							EndLine:   2,
-							StartPos:  9,
-							EndPos:    11,
-						},
-						IdentifierTkn: &token.Token{
-							ID:    token.T_VARIABLE,
-							Value: []byte("$a"),
-							Position: &position.Position{
-								StartLine: 2,
-								EndLine:   2,
-								StartPos:  9,
-								EndPos:    11,
-							},
-						},
-						Value: []byte("$a"),
-					},
-				},
-				CloseParenthesisTkn: &token.Token{
-					ID:    token.ID(41),
-					Value: []byte(")"),
-					Position: &position.Position{
-						StartLine: 2,
-						EndLine:   2,
-						StartPos:  11,
-						EndPos:    12,
-					},
-				},
-				ColonTkn: &token.Token{
-					ID:    token.ID(58),
-					Value: []byte(":"),
-					Position: &position.Position{
-						StartLine: 2,
-						EndLine:   2,
-						StartPos:  13,
-						EndPos:    14,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 2,
-								EndLine:   2,
-								StartPos:  12,
-								EndPos:    13,
-							},
-						},
-					},
-				},
-				Stmt: &ast.StmtStmtList{
-					Position: &position.Position{
-						StartLine: -1,
-						EndLine:   -1,
-						StartPos:  -1,
-						EndPos:    -1,
-					},
-					Stmts: []ast.Vertex{},
-				},
-				ElseIf: []ast.Vertex{
-					&ast.StmtElseIf{
-						Position: &position.Position{
-							StartLine: 3,
-							EndLine:   -1,
-							StartPos:  17,
-							EndPos:    -1,
-						},
-						ElseIfTkn: &token.Token{
-							ID:    token.T_ELSEIF,
-							Value: []byte("elseif"),
-							Position: &position.Position{
-								StartLine: 3,
-								EndLine:   3,
-								StartPos:  17,
-								EndPos:    23,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte("\n\t\t"),
-									Position: &position.Position{
-										StartLine: 2,
-										EndLine:   3,
-										StartPos:  14,
-										EndPos:    17,
-									},
-								},
-							},
-						},
-						OpenParenthesisTkn: &token.Token{
-							ID:    token.ID(40),
-							Value: []byte("("),
-							Position: &position.Position{
-								StartLine: 3,
-								EndLine:   3,
-								StartPos:  24,
-								EndPos:    25,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 3,
-										EndLine:   3,
-										StartPos:  23,
-										EndPos:    24,
-									},
-								},
-							},
-						},
-						Cond: &ast.ExprVariable{
-							Position: &position.Position{
-								StartLine: 3,
-								EndLine:   3,
-								StartPos:  25,
-								EndPos:    27,
-							},
-							Name: &ast.Identifier{
-								Position: &position.Position{
-									StartLine: 3,
-									EndLine:   3,
-									StartPos:  25,
-									EndPos:    27,
-								},
-								IdentifierTkn: &token.Token{
-									ID:    token.T_VARIABLE,
-									Value: []byte("$b"),
-									Position: &position.Position{
-										StartLine: 3,
-										EndLine:   3,
-										StartPos:  25,
-										EndPos:    27,
-									},
-								},
-								Value: []byte("$b"),
-							},
-						},
-						CloseParenthesisTkn: &token.Token{
-							ID:    token.ID(41),
-							Value: []byte(")"),
-							Position: &position.Position{
-								StartLine: 3,
-								EndLine:   3,
-								StartPos:  27,
-								EndPos:    28,
-							},
-						},
-						ColonTkn: &token.Token{
-							ID:    token.ID(58),
-							Value: []byte(":"),
-							Position: &position.Position{
-								StartLine: 3,
-								EndLine:   3,
-								StartPos:  28,
-								EndPos:    29,
-							},
-						},
-						Stmt: &ast.StmtStmtList{
-							Position: &position.Position{
-								StartLine: -1,
-								EndLine:   -1,
-								StartPos:  -1,
-								EndPos:    -1,
-							},
-							Stmts: []ast.Vertex{},
-						},
-					},
-					&ast.StmtElseIf{
-						Position: &position.Position{
-							StartLine: 4,
-							EndLine:   -1,
-							StartPos:  32,
-							EndPos:    -1,
-						},
-						ElseIfTkn: &token.Token{
-							ID:    token.T_ELSEIF,
-							Value: []byte("elseif"),
-							Position: &position.Position{
-								StartLine: 4,
-								EndLine:   4,
-								StartPos:  32,
-								EndPos:    38,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte("\n\t\t"),
-									Position: &position.Position{
-										StartLine: 3,
-										EndLine:   4,
-										StartPos:  29,
-										EndPos:    32,
-									},
-								},
-							},
-						},
-						OpenParenthesisTkn: &token.Token{
-							ID:    token.ID(40),
-							Value: []byte("("),
-							Position: &position.Position{
-								StartLine: 4,
-								EndLine:   4,
-								StartPos:  39,
-								EndPos:    40,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 4,
-										EndLine:   4,
-										StartPos:  38,
-										EndPos:    39,
-									},
-								},
-							},
-						},
-						Cond: &ast.ExprVariable{
-							Position: &position.Position{
-								StartLine: 4,
-								EndLine:   4,
-								StartPos:  40,
-								EndPos:    42,
-							},
-							Name: &ast.Identifier{
-								Position: &position.Position{
-									StartLine: 4,
-									EndLine:   4,
-									StartPos:  40,
-									EndPos:    42,
-								},
-								IdentifierTkn: &token.Token{
-									ID:    token.T_VARIABLE,
-									Value: []byte("$c"),
-									Position: &position.Position{
-										StartLine: 4,
-										EndLine:   4,
-										StartPos:  40,
-										EndPos:    42,
-									},
-								},
-								Value: []byte("$c"),
-							},
-						},
-						CloseParenthesisTkn: &token.Token{
-							ID:    token.ID(41),
-							Value: []byte(")"),
-							Position: &position.Position{
-								StartLine: 4,
-								EndLine:   4,
-								StartPos:  42,
-								EndPos:    43,
-							},
-						},
-						ColonTkn: &token.Token{
-							ID:    token.ID(58),
-							Value: []byte(":"),
-							Position: &position.Position{
-								StartLine: 4,
-								EndLine:   4,
-								StartPos:  43,
-								EndPos:    44,
-							},
-						},
-						Stmt: &ast.StmtStmtList{
-							Position: &position.Position{
-								StartLine: -1,
-								EndLine:   -1,
-								StartPos:  -1,
-								EndPos:    -1,
-							},
-							Stmts: []ast.Vertex{},
-						},
-					},
-				},
-				Else: &ast.StmtElse{
-					Position: &position.Position{
-						StartLine: 5,
-						EndLine:   -1,
-						StartPos:  47,
-						EndPos:    -1,
-					},
-					ElseTkn: &token.Token{
-						ID:    token.T_ELSE,
-						Value: []byte("else"),
-						Position: &position.Position{
-							StartLine: 5,
-							EndLine:   5,
-							StartPos:  47,
-							EndPos:    51,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte("\n\t\t"),
-								Position: &position.Position{
-									StartLine: 4,
-									EndLine:   5,
-									StartPos:  44,
-									EndPos:    47,
-								},
-							},
-						},
-					},
-					ColonTkn: &token.Token{
-						ID:    token.ID(58),
-						Value: []byte(":"),
-						Position: &position.Position{
-							StartLine: 5,
-							EndLine:   5,
-							StartPos:  51,
-							EndPos:    52,
-						},
-					},
-					Stmt: &ast.StmtStmtList{
-						Position: &position.Position{
-							StartLine: -1,
-							EndLine:   -1,
-							StartPos:  -1,
-							EndPos:    -1,
-						},
-						Stmts: []ast.Vertex{},
-					},
-				},
-				EndIfTkn: &token.Token{
-					ID:    token.T_ENDIF,
-					Value: []byte("endif"),
-					Position: &position.Position{
-						StartLine: 6,
-						EndLine:   6,
-						StartPos:  55,
-						EndPos:    60,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte("\n\t\t"),
-							Position: &position.Position{
-								StartLine: 5,
-								EndLine:   6,
-								StartPos:  52,
-								EndPos:    55,
-							},
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 6,
-						EndLine:   6,
-						StartPos:  60,
-						EndPos:    61,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{
-			FreeFloating: []*token.Token{
-				{
-					ID:    token.T_WHITESPACE,
-					Value: []byte("\n\t"),
-					Position: &position.Position{
-						StartLine: 6,
-						EndLine:   7,
-						StartPos:  61,
-						EndPos:    63,
-					},
-				},
-			},
-		},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestStmtClassConstList_WithoutModifiers(t *testing.T) {
-	src := `<? class foo{ const FOO = 1, BAR = 2; }`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    39,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtClass{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    39,
-				},
-				ClassTkn: &token.Token{
-					ID:    token.T_CLASS,
-					Value: []byte("class"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    8,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_OPEN_TAG,
-							Value: []byte("<?"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  0,
-								EndPos:    2,
-							},
-						},
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  2,
-								EndPos:    3,
-							},
-						},
-					},
-				},
-				Name: &ast.Identifier{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  9,
-						EndPos:    12,
-					},
-					IdentifierTkn: &token.Token{
-						ID:    token.T_STRING,
-						Value: []byte("foo"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  9,
-							EndPos:    12,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  8,
-									EndPos:    9,
-								},
-							},
-						},
-					},
-					Value: []byte("foo"),
-				},
-				OpenCurlyBracketTkn: &token.Token{
-					ID:    token.ID(123),
-					Value: []byte("{"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  12,
-						EndPos:    13,
-					},
-				},
-				Stmts: []ast.Vertex{
-					&ast.StmtClassConstList{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  14,
-							EndPos:    37,
-						},
-						ConstTkn: &token.Token{
-							ID:    token.T_CONST,
-							Value: []byte("const"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  14,
-								EndPos:    19,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  13,
-										EndPos:    14,
-									},
-								},
-							},
-						},
-						Consts: []ast.Vertex{
-							&ast.StmtConstant{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  20,
-									EndPos:    27,
-								},
-								Name: &ast.Identifier{
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  20,
-										EndPos:    23,
-									},
-									IdentifierTkn: &token.Token{
-										ID:    token.T_STRING,
-										Value: []byte("FOO"),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  20,
-											EndPos:    23,
-										},
-										FreeFloating: []*token.Token{
-											{
-												ID:    token.T_WHITESPACE,
-												Value: []byte(" "),
-												Position: &position.Position{
-													StartLine: 1,
-													EndLine:   1,
-													StartPos:  19,
-													EndPos:    20,
-												},
-											},
-										},
-									},
-									Value: []byte("FOO"),
-								},
-								EqualTkn: &token.Token{
-									ID:    token.ID(61),
-									Value: []byte("="),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  24,
-										EndPos:    25,
-									},
-									FreeFloating: []*token.Token{
-										{
-											ID:    token.T_WHITESPACE,
-											Value: []byte(" "),
-											Position: &position.Position{
-												StartLine: 1,
-												EndLine:   1,
-												StartPos:  23,
-												EndPos:    24,
-											},
-										},
-									},
-								},
-								Expr: &ast.ScalarLnumber{
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  26,
-										EndPos:    27,
-									},
-									NumberTkn: &token.Token{
-										ID:    token.T_LNUMBER,
-										Value: []byte("1"),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  26,
-											EndPos:    27,
-										},
-										FreeFloating: []*token.Token{
-											{
-												ID:    token.T_WHITESPACE,
-												Value: []byte(" "),
-												Position: &position.Position{
-													StartLine: 1,
-													EndLine:   1,
-													StartPos:  25,
-													EndPos:    26,
-												},
-											},
-										},
-									},
-									Value: []byte("1"),
-								},
-							},
-							&ast.StmtConstant{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  29,
-									EndPos:    36,
-								},
-								Name: &ast.Identifier{
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  29,
-										EndPos:    32,
-									},
-									IdentifierTkn: &token.Token{
-										ID:    token.T_STRING,
-										Value: []byte("BAR"),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  29,
-											EndPos:    32,
-										},
-										FreeFloating: []*token.Token{
-											{
-												ID:    token.T_WHITESPACE,
-												Value: []byte(" "),
-												Position: &position.Position{
-													StartLine: 1,
-													EndLine:   1,
-													StartPos:  28,
-													EndPos:    29,
-												},
-											},
-										},
-									},
-									Value: []byte("BAR"),
-								},
-								EqualTkn: &token.Token{
-									ID:    token.ID(61),
-									Value: []byte("="),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  33,
-										EndPos:    34,
-									},
-									FreeFloating: []*token.Token{
-										{
-											ID:    token.T_WHITESPACE,
-											Value: []byte(" "),
-											Position: &position.Position{
-												StartLine: 1,
-												EndLine:   1,
-												StartPos:  32,
-												EndPos:    33,
-											},
-										},
-									},
-								},
-								Expr: &ast.ScalarLnumber{
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  35,
-										EndPos:    36,
-									},
-									NumberTkn: &token.Token{
-										ID:    token.T_LNUMBER,
-										Value: []byte("2"),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  35,
-											EndPos:    36,
-										},
-										FreeFloating: []*token.Token{
-											{
-												ID:    token.T_WHITESPACE,
-												Value: []byte(" "),
-												Position: &position.Position{
-													StartLine: 1,
-													EndLine:   1,
-													StartPos:  34,
-													EndPos:    35,
-												},
-											},
-										},
-									},
-									Value: []byte("2"),
-								},
-							},
-						},
-						SeparatorTkns: []*token.Token{
-							{
-								ID:    token.ID(44),
-								Value: []byte(","),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  27,
-									EndPos:    28,
-								},
-							},
-						},
-						SemiColonTkn: &token.Token{
-							ID:    token.ID(59),
-							Value: []byte(";"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  36,
-								EndPos:    37,
-							},
-						},
-					},
-				},
-				CloseCurlyBracketTkn: &token.Token{
-					ID:    token.ID(125),
-					Value: []byte("}"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  38,
-						EndPos:    39,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  37,
-								EndPos:    38,
-							},
-						},
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestStmtClassMethod_SimpleClassMethod(t *testing.T) {
-	src := `<? class foo{ function bar() {} }`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    33,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtClass{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    33,
-				},
-				ClassTkn: &token.Token{
-					ID:    token.T_CLASS,
-					Value: []byte("class"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    8,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_OPEN_TAG,
-							Value: []byte("<?"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  0,
-								EndPos:    2,
-							},
-						},
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  2,
-								EndPos:    3,
-							},
-						},
-					},
-				},
-				Name: &ast.Identifier{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  9,
-						EndPos:    12,
-					},
-					IdentifierTkn: &token.Token{
-						ID:    token.T_STRING,
-						Value: []byte("foo"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  9,
-							EndPos:    12,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  8,
-									EndPos:    9,
-								},
-							},
-						},
-					},
-					Value: []byte("foo"),
-				},
-				OpenCurlyBracketTkn: &token.Token{
-					ID:    token.ID(123),
-					Value: []byte("{"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  12,
-						EndPos:    13,
-					},
-				},
-				Stmts: []ast.Vertex{
-					&ast.StmtClassMethod{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  14,
-							EndPos:    31,
-						},
-						FunctionTkn: &token.Token{
-							ID:    token.T_FUNCTION,
-							Value: []byte("function"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  14,
-								EndPos:    22,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  13,
-										EndPos:    14,
-									},
-								},
-							},
-						},
-						Name: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  23,
-								EndPos:    26,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_STRING,
-								Value: []byte("bar"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  23,
-									EndPos:    26,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  22,
-											EndPos:    23,
-										},
-									},
-								},
-							},
-							Value: []byte("bar"),
-						},
-						OpenParenthesisTkn: &token.Token{
-							ID:    token.ID(40),
-							Value: []byte("("),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  26,
-								EndPos:    27,
-							},
-						},
-						CloseParenthesisTkn: &token.Token{
-							ID:    token.ID(41),
-							Value: []byte(")"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  27,
-								EndPos:    28,
-							},
-						},
-						Stmt: &ast.StmtStmtList{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  29,
-								EndPos:    31,
-							},
-							OpenCurlyBracketTkn: &token.Token{
-								ID:    token.ID(123),
-								Value: []byte("{"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  29,
-									EndPos:    30,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  28,
-											EndPos:    29,
-										},
-									},
-								},
-							},
-							Stmts: []ast.Vertex{},
-							CloseCurlyBracketTkn: &token.Token{
-								ID:    token.ID(125),
-								Value: []byte("}"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  30,
-									EndPos:    31,
-								},
-							},
-						},
-					},
-				},
-				CloseCurlyBracketTkn: &token.Token{
-					ID:    token.ID(125),
-					Value: []byte("}"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  32,
-						EndPos:    33,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  31,
-								EndPos:    32,
-							},
-						},
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestStmtClassMethod_PrivateProtectedClassMethod(t *testing.T) {
-	src := `<? class foo{ final private function bar() {} protected function baz() {} }`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    75,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtClass{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    75,
-				},
-				ClassTkn: &token.Token{
-					ID:    token.T_CLASS,
-					Value: []byte("class"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    8,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_OPEN_TAG,
-							Value: []byte("<?"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  0,
-								EndPos:    2,
-							},
-						},
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  2,
-								EndPos:    3,
-							},
-						},
-					},
-				},
-				Name: &ast.Identifier{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  9,
-						EndPos:    12,
-					},
-					IdentifierTkn: &token.Token{
-						ID:    token.T_STRING,
-						Value: []byte("foo"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  9,
-							EndPos:    12,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  8,
-									EndPos:    9,
-								},
-							},
-						},
-					},
-					Value: []byte("foo"),
-				},
-				OpenCurlyBracketTkn: &token.Token{
-					ID:    token.ID(123),
-					Value: []byte("{"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  12,
-						EndPos:    13,
-					},
-				},
-				Stmts: []ast.Vertex{
-					&ast.StmtClassMethod{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  14,
-							EndPos:    45,
-						},
-						Modifiers: []ast.Vertex{
-							&ast.Identifier{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  14,
-									EndPos:    19,
-								},
-								IdentifierTkn: &token.Token{
-									ID:    token.T_FINAL,
-									Value: []byte("final"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  14,
-										EndPos:    19,
-									},
-									FreeFloating: []*token.Token{
-										{
-											ID:    token.T_WHITESPACE,
-											Value: []byte(" "),
-											Position: &position.Position{
-												StartLine: 1,
-												EndLine:   1,
-												StartPos:  13,
-												EndPos:    14,
-											},
-										},
-									},
-								},
-								Value: []byte("final"),
-							},
-							&ast.Identifier{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  20,
-									EndPos:    27,
-								},
-								IdentifierTkn: &token.Token{
-									ID:    token.T_PRIVATE,
-									Value: []byte("private"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  20,
-										EndPos:    27,
-									},
-									FreeFloating: []*token.Token{
-										{
-											ID:    token.T_WHITESPACE,
-											Value: []byte(" "),
-											Position: &position.Position{
-												StartLine: 1,
-												EndLine:   1,
-												StartPos:  19,
-												EndPos:    20,
-											},
-										},
-									},
-								},
-								Value: []byte("private"),
-							},
-						},
-						FunctionTkn: &token.Token{
-							ID:    token.T_FUNCTION,
-							Value: []byte("function"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  28,
-								EndPos:    36,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  27,
-										EndPos:    28,
-									},
-								},
-							},
-						},
-						Name: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  37,
-								EndPos:    40,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_STRING,
-								Value: []byte("bar"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  37,
-									EndPos:    40,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  36,
-											EndPos:    37,
-										},
-									},
-								},
-							},
-							Value: []byte("bar"),
-						},
-						OpenParenthesisTkn: &token.Token{
-							ID:    token.ID(40),
-							Value: []byte("("),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  40,
-								EndPos:    41,
-							},
-						},
-						CloseParenthesisTkn: &token.Token{
-							ID:    token.ID(41),
-							Value: []byte(")"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  41,
-								EndPos:    42,
-							},
-						},
-						Stmt: &ast.StmtStmtList{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  43,
-								EndPos:    45,
-							},
-							OpenCurlyBracketTkn: &token.Token{
-								ID:    token.ID(123),
-								Value: []byte("{"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  43,
-									EndPos:    44,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  42,
-											EndPos:    43,
-										},
-									},
-								},
-							},
-							Stmts: []ast.Vertex{},
-							CloseCurlyBracketTkn: &token.Token{
-								ID:    token.ID(125),
-								Value: []byte("}"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  44,
-									EndPos:    45,
-								},
-							},
-						},
-					},
-					&ast.StmtClassMethod{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  46,
-							EndPos:    73,
-						},
-						Modifiers: []ast.Vertex{
-							&ast.Identifier{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  46,
-									EndPos:    55,
-								},
-								IdentifierTkn: &token.Token{
-									ID:    token.T_PROTECTED,
-									Value: []byte("protected"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  46,
-										EndPos:    55,
-									},
-									FreeFloating: []*token.Token{
-										{
-											ID:    token.T_WHITESPACE,
-											Value: []byte(" "),
-											Position: &position.Position{
-												StartLine: 1,
-												EndLine:   1,
-												StartPos:  45,
-												EndPos:    46,
-											},
-										},
-									},
-								},
-								Value: []byte("protected"),
-							},
-						},
-						FunctionTkn: &token.Token{
-							ID:    token.T_FUNCTION,
-							Value: []byte("function"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  56,
-								EndPos:    64,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  55,
-										EndPos:    56,
-									},
-								},
-							},
-						},
-						Name: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  65,
-								EndPos:    68,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_STRING,
-								Value: []byte("baz"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  65,
-									EndPos:    68,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  64,
-											EndPos:    65,
-										},
-									},
-								},
-							},
-							Value: []byte("baz"),
-						},
-						OpenParenthesisTkn: &token.Token{
-							ID:    token.ID(40),
-							Value: []byte("("),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  68,
-								EndPos:    69,
-							},
-						},
-						CloseParenthesisTkn: &token.Token{
-							ID:    token.ID(41),
-							Value: []byte(")"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  69,
-								EndPos:    70,
-							},
-						},
-						Stmt: &ast.StmtStmtList{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  71,
-								EndPos:    73,
-							},
-							OpenCurlyBracketTkn: &token.Token{
-								ID:    token.ID(123),
-								Value: []byte("{"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  71,
-									EndPos:    72,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  70,
-											EndPos:    71,
-										},
-									},
-								},
-							},
-							Stmts: []ast.Vertex{},
-							CloseCurlyBracketTkn: &token.Token{
-								ID:    token.ID(125),
-								Value: []byte("}"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  72,
-									EndPos:    73,
-								},
-							},
-						},
-					},
-				},
-				CloseCurlyBracketTkn: &token.Token{
-					ID:    token.ID(125),
-					Value: []byte("}"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  74,
-						EndPos:    75,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  73,
-								EndPos:    74,
-							},
-						},
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestStmtClassMethod_Php5ClassMethod(t *testing.T) {
-	src := `<? class foo{ public static function &bar() {} }`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    48,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtClass{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    48,
-				},
-				ClassTkn: &token.Token{
-					ID:    token.T_CLASS,
-					Value: []byte("class"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    8,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_OPEN_TAG,
-							Value: []byte("<?"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  0,
-								EndPos:    2,
-							},
-						},
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  2,
-								EndPos:    3,
-							},
-						},
-					},
-				},
-				Name: &ast.Identifier{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  9,
-						EndPos:    12,
-					},
-					IdentifierTkn: &token.Token{
-						ID:    token.T_STRING,
-						Value: []byte("foo"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  9,
-							EndPos:    12,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  8,
-									EndPos:    9,
-								},
-							},
-						},
-					},
-					Value: []byte("foo"),
-				},
-				OpenCurlyBracketTkn: &token.Token{
-					ID:    token.ID(123),
-					Value: []byte("{"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  12,
-						EndPos:    13,
-					},
-				},
-				Stmts: []ast.Vertex{
-					&ast.StmtClassMethod{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  14,
-							EndPos:    46,
-						},
-						Modifiers: []ast.Vertex{
-							&ast.Identifier{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  14,
-									EndPos:    20,
-								},
-								IdentifierTkn: &token.Token{
-									ID:    token.T_PUBLIC,
-									Value: []byte("public"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  14,
-										EndPos:    20,
-									},
-									FreeFloating: []*token.Token{
-										{
-											ID:    token.T_WHITESPACE,
-											Value: []byte(" "),
-											Position: &position.Position{
-												StartLine: 1,
-												EndLine:   1,
-												StartPos:  13,
-												EndPos:    14,
-											},
-										},
-									},
-								},
-								Value: []byte("public"),
-							},
-							&ast.Identifier{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  21,
-									EndPos:    27,
-								},
-								IdentifierTkn: &token.Token{
-									ID:    token.T_STATIC,
-									Value: []byte("static"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  21,
-										EndPos:    27,
-									},
-									FreeFloating: []*token.Token{
-										{
-											ID:    token.T_WHITESPACE,
-											Value: []byte(" "),
-											Position: &position.Position{
-												StartLine: 1,
-												EndLine:   1,
-												StartPos:  20,
-												EndPos:    21,
-											},
-										},
-									},
-								},
-								Value: []byte("static"),
-							},
-						},
-						FunctionTkn: &token.Token{
-							ID:    token.T_FUNCTION,
-							Value: []byte("function"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  28,
-								EndPos:    36,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  27,
-										EndPos:    28,
-									},
-								},
-							},
-						},
-						AmpersandTkn: &token.Token{
-							ID:    token.ID(38),
-							Value: []byte("&"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  37,
-								EndPos:    38,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  36,
-										EndPos:    37,
-									},
-								},
-							},
-						},
-						Name: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  38,
-								EndPos:    41,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_STRING,
-								Value: []byte("bar"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  38,
-									EndPos:    41,
-								},
-							},
-							Value: []byte("bar"),
-						},
-						OpenParenthesisTkn: &token.Token{
-							ID:    token.ID(40),
-							Value: []byte("("),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  41,
-								EndPos:    42,
-							},
-						},
-						CloseParenthesisTkn: &token.Token{
-							ID:    token.ID(41),
-							Value: []byte(")"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  42,
-								EndPos:    43,
-							},
-						},
-						Stmt: &ast.StmtStmtList{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  44,
-								EndPos:    46,
-							},
-							OpenCurlyBracketTkn: &token.Token{
-								ID:    token.ID(123),
-								Value: []byte("{"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  44,
-									EndPos:    45,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  43,
-											EndPos:    44,
-										},
-									},
-								},
-							},
-							Stmts: []ast.Vertex{},
-							CloseCurlyBracketTkn: &token.Token{
-								ID:    token.ID(125),
-								Value: []byte("}"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  45,
-									EndPos:    46,
-								},
-							},
-						},
-					},
-				},
-				CloseCurlyBracketTkn: &token.Token{
-					ID:    token.ID(125),
-					Value: []byte("}"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  47,
-						EndPos:    48,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  46,
-								EndPos:    47,
-							},
-						},
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestStmtClassMethod_AbstractClassMethod(t *testing.T) {
-	src := `<? abstract class Foo{ abstract public function bar(); }`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    56,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtClass{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    56,
-				},
-				Modifiers: []ast.Vertex{
-					&ast.Identifier{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    11,
-						},
-						IdentifierTkn: &token.Token{
-							ID:    token.T_ABSTRACT,
-							Value: []byte("abstract"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  3,
-								EndPos:    11,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_OPEN_TAG,
-									Value: []byte("<?"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  0,
-										EndPos:    2,
-									},
-								},
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  2,
-										EndPos:    3,
-									},
-								},
-							},
-						},
-						Value: []byte("abstract"),
-					},
-				},
-				ClassTkn: &token.Token{
-					ID:    token.T_CLASS,
-					Value: []byte("class"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  12,
-						EndPos:    17,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  11,
-								EndPos:    12,
-							},
-						},
-					},
-				},
-				Name: &ast.Identifier{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  18,
-						EndPos:    21,
-					},
-					IdentifierTkn: &token.Token{
-						ID:    token.T_STRING,
-						Value: []byte("Foo"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  18,
-							EndPos:    21,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  17,
-									EndPos:    18,
-								},
-							},
-						},
-					},
-					Value: []byte("Foo"),
-				},
-				OpenCurlyBracketTkn: &token.Token{
-					ID:    token.ID(123),
-					Value: []byte("{"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  21,
-						EndPos:    22,
-					},
-				},
-				Stmts: []ast.Vertex{
-					&ast.StmtClassMethod{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  23,
-							EndPos:    54,
-						},
-						Modifiers: []ast.Vertex{
-							&ast.Identifier{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  23,
-									EndPos:    31,
-								},
-								IdentifierTkn: &token.Token{
-									ID:    token.T_ABSTRACT,
-									Value: []byte("abstract"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  23,
-										EndPos:    31,
-									},
-									FreeFloating: []*token.Token{
-										{
-											ID:    token.T_WHITESPACE,
-											Value: []byte(" "),
-											Position: &position.Position{
-												StartLine: 1,
-												EndLine:   1,
-												StartPos:  22,
-												EndPos:    23,
-											},
-										},
-									},
-								},
-								Value: []byte("abstract"),
-							},
-							&ast.Identifier{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  32,
-									EndPos:    38,
-								},
-								IdentifierTkn: &token.Token{
-									ID:    token.T_PUBLIC,
-									Value: []byte("public"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  32,
-										EndPos:    38,
-									},
-									FreeFloating: []*token.Token{
-										{
-											ID:    token.T_WHITESPACE,
-											Value: []byte(" "),
-											Position: &position.Position{
-												StartLine: 1,
-												EndLine:   1,
-												StartPos:  31,
-												EndPos:    32,
-											},
-										},
-									},
-								},
-								Value: []byte("public"),
-							},
-						},
-						FunctionTkn: &token.Token{
-							ID:    token.T_FUNCTION,
-							Value: []byte("function"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  39,
-								EndPos:    47,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  38,
-										EndPos:    39,
-									},
-								},
-							},
-						},
-						Name: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  48,
-								EndPos:    51,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_STRING,
-								Value: []byte("bar"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  48,
-									EndPos:    51,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  47,
-											EndPos:    48,
-										},
-									},
-								},
-							},
-							Value: []byte("bar"),
-						},
-						OpenParenthesisTkn: &token.Token{
-							ID:    token.ID(40),
-							Value: []byte("("),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  51,
-								EndPos:    52,
-							},
-						},
-						CloseParenthesisTkn: &token.Token{
-							ID:    token.ID(41),
-							Value: []byte(")"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  52,
-								EndPos:    53,
-							},
-						},
-						Stmt: &ast.StmtNop{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  53,
-								EndPos:    54,
-							},
-							SemiColonTkn: &token.Token{
-								ID:    token.ID(59),
-								Value: []byte(";"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  53,
-									EndPos:    54,
-								},
-							},
-						},
-					},
-				},
-				CloseCurlyBracketTkn: &token.Token{
-					ID:    token.ID(125),
-					Value: []byte("}"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  55,
-						EndPos:    56,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  54,
-								EndPos:    55,
-							},
-						},
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestStmtClass_SimpleClass(t *testing.T) {
-	src := `<? class foo{ }`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    15,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtClass{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    15,
-				},
-				ClassTkn: &token.Token{
-					ID:    token.T_CLASS,
-					Value: []byte("class"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    8,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_OPEN_TAG,
-							Value: []byte("<?"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  0,
-								EndPos:    2,
-							},
-						},
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  2,
-								EndPos:    3,
-							},
-						},
-					},
-				},
-				Name: &ast.Identifier{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  9,
-						EndPos:    12,
-					},
-					IdentifierTkn: &token.Token{
-						ID:    token.T_STRING,
-						Value: []byte("foo"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  9,
-							EndPos:    12,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  8,
-									EndPos:    9,
-								},
-							},
-						},
-					},
-					Value: []byte("foo"),
-				},
-				OpenCurlyBracketTkn: &token.Token{
-					ID:    token.ID(123),
-					Value: []byte("{"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  12,
-						EndPos:    13,
-					},
-				},
-				Stmts: []ast.Vertex{},
-				CloseCurlyBracketTkn: &token.Token{
-					ID:    token.ID(125),
-					Value: []byte("}"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  14,
-						EndPos:    15,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  13,
-								EndPos:    14,
-							},
-						},
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestStmtClass_AbstractClass(t *testing.T) {
-	src := `<? abstract class foo{ }`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    24,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtClass{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    24,
-				},
-				Modifiers: []ast.Vertex{
-					&ast.Identifier{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    11,
-						},
-						IdentifierTkn: &token.Token{
-							ID:    token.T_ABSTRACT,
-							Value: []byte("abstract"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  3,
-								EndPos:    11,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_OPEN_TAG,
-									Value: []byte("<?"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  0,
-										EndPos:    2,
-									},
-								},
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  2,
-										EndPos:    3,
-									},
-								},
-							},
-						},
-						Value: []byte("abstract"),
-					},
-				},
-				ClassTkn: &token.Token{
-					ID:    token.T_CLASS,
-					Value: []byte("class"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  12,
-						EndPos:    17,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  11,
-								EndPos:    12,
-							},
-						},
-					},
-				},
-				Name: &ast.Identifier{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  18,
-						EndPos:    21,
-					},
-					IdentifierTkn: &token.Token{
-						ID:    token.T_STRING,
-						Value: []byte("foo"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  18,
-							EndPos:    21,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  17,
-									EndPos:    18,
-								},
-							},
-						},
-					},
-					Value: []byte("foo"),
-				},
-				OpenCurlyBracketTkn: &token.Token{
-					ID:    token.ID(123),
-					Value: []byte("{"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  21,
-						EndPos:    22,
-					},
-				},
-				Stmts: []ast.Vertex{},
-				CloseCurlyBracketTkn: &token.Token{
-					ID:    token.ID(125),
-					Value: []byte("}"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  23,
-						EndPos:    24,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  22,
-								EndPos:    23,
-							},
-						},
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestStmtClass_ClassExtends(t *testing.T) {
-	src := `<? final class foo extends bar { }`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    34,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtClass{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    34,
-				},
-				Modifiers: []ast.Vertex{
-					&ast.Identifier{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    8,
-						},
-						IdentifierTkn: &token.Token{
-							ID:    token.T_FINAL,
-							Value: []byte("final"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  3,
-								EndPos:    8,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_OPEN_TAG,
-									Value: []byte("<?"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  0,
-										EndPos:    2,
-									},
-								},
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  2,
-										EndPos:    3,
-									},
-								},
-							},
-						},
-						Value: []byte("final"),
-					},
-				},
-				ClassTkn: &token.Token{
-					ID:    token.T_CLASS,
-					Value: []byte("class"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  9,
-						EndPos:    14,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  8,
-								EndPos:    9,
-							},
-						},
-					},
-				},
-				Name: &ast.Identifier{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  15,
-						EndPos:    18,
-					},
-					IdentifierTkn: &token.Token{
-						ID:    token.T_STRING,
-						Value: []byte("foo"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  15,
-							EndPos:    18,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  14,
-									EndPos:    15,
-								},
-							},
-						},
-					},
-					Value: []byte("foo"),
-				},
-				ExtendsTkn: &token.Token{
-					ID:    token.T_EXTENDS,
-					Value: []byte("extends"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  19,
-						EndPos:    26,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  18,
-								EndPos:    19,
-							},
-						},
-					},
-				},
-				Extends: &ast.Name{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  27,
-						EndPos:    30,
-					},
-					Parts: []ast.Vertex{
-						&ast.NamePart{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  27,
-								EndPos:    30,
-							},
-							StringTkn: &token.Token{
-								ID:    token.T_STRING,
-								Value: []byte("bar"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  27,
-									EndPos:    30,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  26,
-											EndPos:    27,
-										},
-									},
-								},
-							},
-							Value: []byte("bar"),
-						},
-					},
-				},
-				OpenCurlyBracketTkn: &token.Token{
-					ID:    token.ID(123),
-					Value: []byte("{"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  31,
-						EndPos:    32,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  30,
-								EndPos:    31,
-							},
-						},
-					},
-				},
-				Stmts: []ast.Vertex{},
-				CloseCurlyBracketTkn: &token.Token{
-					ID:    token.ID(125),
-					Value: []byte("}"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  33,
-						EndPos:    34,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  32,
-								EndPos:    33,
-							},
-						},
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestStmtClass_ClassImplement(t *testing.T) {
-	src := `<? final class foo implements bar { }`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    37,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtClass{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    37,
-				},
-				Modifiers: []ast.Vertex{
-					&ast.Identifier{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    8,
-						},
-						IdentifierTkn: &token.Token{
-							ID:    token.T_FINAL,
-							Value: []byte("final"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  3,
-								EndPos:    8,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_OPEN_TAG,
-									Value: []byte("<?"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  0,
-										EndPos:    2,
-									},
-								},
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  2,
-										EndPos:    3,
-									},
-								},
-							},
-						},
-						Value: []byte("final"),
-					},
-				},
-				ClassTkn: &token.Token{
-					ID:    token.T_CLASS,
-					Value: []byte("class"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  9,
-						EndPos:    14,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  8,
-								EndPos:    9,
-							},
-						},
-					},
-				},
-				Name: &ast.Identifier{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  15,
-						EndPos:    18,
-					},
-					IdentifierTkn: &token.Token{
-						ID:    token.T_STRING,
-						Value: []byte("foo"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  15,
-							EndPos:    18,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  14,
-									EndPos:    15,
-								},
-							},
-						},
-					},
-					Value: []byte("foo"),
-				},
-				ImplementsTkn: &token.Token{
-					ID:    token.T_IMPLEMENTS,
-					Value: []byte("implements"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  19,
-						EndPos:    29,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  18,
-								EndPos:    19,
-							},
-						},
-					},
-				},
-				Implements: []ast.Vertex{
-					&ast.Name{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  30,
-							EndPos:    33,
-						},
-						Parts: []ast.Vertex{
-							&ast.NamePart{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  30,
-									EndPos:    33,
-								},
-								StringTkn: &token.Token{
-									ID:    token.T_STRING,
-									Value: []byte("bar"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  30,
-										EndPos:    33,
-									},
-									FreeFloating: []*token.Token{
-										{
-											ID:    token.T_WHITESPACE,
-											Value: []byte(" "),
-											Position: &position.Position{
-												StartLine: 1,
-												EndLine:   1,
-												StartPos:  29,
-												EndPos:    30,
-											},
-										},
-									},
-								},
-								Value: []byte("bar"),
-							},
-						},
-					},
-				},
-				OpenCurlyBracketTkn: &token.Token{
-					ID:    token.ID(123),
-					Value: []byte("{"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  34,
-						EndPos:    35,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  33,
-								EndPos:    34,
-							},
-						},
-					},
-				},
-				Stmts: []ast.Vertex{},
-				CloseCurlyBracketTkn: &token.Token{
-					ID:    token.ID(125),
-					Value: []byte("}"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  36,
-						EndPos:    37,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  35,
-								EndPos:    36,
-							},
-						},
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestStmtClass_ClassImplements(t *testing.T) {
-	src := `<? final class foo implements bar, baz { }`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    42,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtClass{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    42,
-				},
-				Modifiers: []ast.Vertex{
-					&ast.Identifier{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    8,
-						},
-						IdentifierTkn: &token.Token{
-							ID:    token.T_FINAL,
-							Value: []byte("final"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  3,
-								EndPos:    8,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_OPEN_TAG,
-									Value: []byte("<?"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  0,
-										EndPos:    2,
-									},
-								},
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  2,
-										EndPos:    3,
-									},
-								},
-							},
-						},
-						Value: []byte("final"),
-					},
-				},
-				ClassTkn: &token.Token{
-					ID:    token.T_CLASS,
-					Value: []byte("class"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  9,
-						EndPos:    14,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  8,
-								EndPos:    9,
-							},
-						},
-					},
-				},
-				Name: &ast.Identifier{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  15,
-						EndPos:    18,
-					},
-					IdentifierTkn: &token.Token{
-						ID:    token.T_STRING,
-						Value: []byte("foo"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  15,
-							EndPos:    18,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  14,
-									EndPos:    15,
-								},
-							},
-						},
-					},
-					Value: []byte("foo"),
-				},
-				ImplementsTkn: &token.Token{
-					ID:    token.T_IMPLEMENTS,
-					Value: []byte("implements"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  19,
-						EndPos:    29,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  18,
-								EndPos:    19,
-							},
-						},
-					},
-				},
-				Implements: []ast.Vertex{
-					&ast.Name{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  30,
-							EndPos:    33,
-						},
-						Parts: []ast.Vertex{
-							&ast.NamePart{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  30,
-									EndPos:    33,
-								},
-								StringTkn: &token.Token{
-									ID:    token.T_STRING,
-									Value: []byte("bar"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  30,
-										EndPos:    33,
-									},
-									FreeFloating: []*token.Token{
-										{
-											ID:    token.T_WHITESPACE,
-											Value: []byte(" "),
-											Position: &position.Position{
-												StartLine: 1,
-												EndLine:   1,
-												StartPos:  29,
-												EndPos:    30,
-											},
-										},
-									},
-								},
-								Value: []byte("bar"),
-							},
-						},
-					},
-					&ast.Name{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  35,
-							EndPos:    38,
-						},
-						Parts: []ast.Vertex{
-							&ast.NamePart{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  35,
-									EndPos:    38,
-								},
-								StringTkn: &token.Token{
-									ID:    token.T_STRING,
-									Value: []byte("baz"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  35,
-										EndPos:    38,
-									},
-									FreeFloating: []*token.Token{
-										{
-											ID:    token.T_WHITESPACE,
-											Value: []byte(" "),
-											Position: &position.Position{
-												StartLine: 1,
-												EndLine:   1,
-												StartPos:  34,
-												EndPos:    35,
-											},
-										},
-									},
-								},
-								Value: []byte("baz"),
-							},
-						},
-					},
-				},
-				ImplementsSeparatorTkns: []*token.Token{
-					{
-						ID:    token.ID(44),
-						Value: []byte(","),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  33,
-							EndPos:    34,
-						},
-					},
-				},
-				OpenCurlyBracketTkn: &token.Token{
-					ID:    token.ID(123),
-					Value: []byte("{"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  39,
-						EndPos:    40,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  38,
-								EndPos:    39,
-							},
-						},
-					},
-				},
-				Stmts: []ast.Vertex{},
-				CloseCurlyBracketTkn: &token.Token{
-					ID:    token.ID(125),
-					Value: []byte("}"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  41,
-						EndPos:    42,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  40,
-								EndPos:    41,
-							},
-						},
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestStmtConstList(t *testing.T) {
-	src := `<? const FOO = 1, BAR = 2;`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    26,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtConstList{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    26,
-				},
-				ConstTkn: &token.Token{
-					ID:    token.T_CONST,
-					Value: []byte("const"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    8,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_OPEN_TAG,
-							Value: []byte("<?"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  0,
-								EndPos:    2,
-							},
-						},
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  2,
-								EndPos:    3,
-							},
-						},
-					},
-				},
-				Consts: []ast.Vertex{
-					&ast.StmtConstant{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  9,
-							EndPos:    16,
-						},
-						Name: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  9,
-								EndPos:    12,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_STRING,
-								Value: []byte("FOO"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  9,
-									EndPos:    12,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  8,
-											EndPos:    9,
-										},
-									},
-								},
-							},
-							Value: []byte("FOO"),
-						},
-						EqualTkn: &token.Token{
-							ID:    token.ID(61),
-							Value: []byte("="),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  13,
-								EndPos:    14,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  12,
-										EndPos:    13,
-									},
-								},
-							},
-						},
-						Expr: &ast.ScalarLnumber{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  15,
-								EndPos:    16,
-							},
-							NumberTkn: &token.Token{
-								ID:    token.T_LNUMBER,
-								Value: []byte("1"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  15,
-									EndPos:    16,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  14,
-											EndPos:    15,
-										},
-									},
-								},
-							},
-							Value: []byte("1"),
-						},
-					},
-					&ast.StmtConstant{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  18,
-							EndPos:    25,
-						},
-						Name: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  18,
-								EndPos:    21,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_STRING,
-								Value: []byte("BAR"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  18,
-									EndPos:    21,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  17,
-											EndPos:    18,
-										},
-									},
-								},
-							},
-							Value: []byte("BAR"),
-						},
-						EqualTkn: &token.Token{
-							ID:    token.ID(61),
-							Value: []byte("="),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  22,
-								EndPos:    23,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  21,
-										EndPos:    22,
-									},
-								},
-							},
-						},
-						Expr: &ast.ScalarLnumber{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  24,
-								EndPos:    25,
-							},
-							NumberTkn: &token.Token{
-								ID:    token.T_LNUMBER,
-								Value: []byte("2"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  24,
-									EndPos:    25,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  23,
-											EndPos:    24,
-										},
-									},
-								},
-							},
-							Value: []byte("2"),
-						},
-					},
-				},
-				SeparatorTkns: []*token.Token{
-					{
-						ID:    token.ID(44),
-						Value: []byte(","),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  16,
-							EndPos:    17,
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  25,
-						EndPos:    26,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestStmtContinue_Empty(t *testing.T) {
-	src := `<? while (1) { continue; }`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    26,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtWhile{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    26,
-				},
-				WhileTkn: &token.Token{
-					ID:    token.T_WHILE,
-					Value: []byte("while"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    8,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_OPEN_TAG,
-							Value: []byte("<?"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  0,
-								EndPos:    2,
-							},
-						},
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  2,
-								EndPos:    3,
-							},
-						},
-					},
-				},
-				OpenParenthesisTkn: &token.Token{
-					ID:    token.ID(40),
-					Value: []byte("("),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  9,
-						EndPos:    10,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  8,
-								EndPos:    9,
-							},
-						},
-					},
-				},
-				Cond: &ast.ScalarLnumber{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  10,
-						EndPos:    11,
-					},
-					NumberTkn: &token.Token{
-						ID:    token.T_LNUMBER,
-						Value: []byte("1"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  10,
-							EndPos:    11,
-						},
-					},
-					Value: []byte("1"),
-				},
-				CloseParenthesisTkn: &token.Token{
-					ID:    token.ID(41),
-					Value: []byte(")"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  11,
-						EndPos:    12,
-					},
-				},
-				Stmt: &ast.StmtStmtList{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  13,
-						EndPos:    26,
-					},
-					OpenCurlyBracketTkn: &token.Token{
-						ID:    token.ID(123),
-						Value: []byte("{"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  13,
-							EndPos:    14,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  12,
-									EndPos:    13,
-								},
-							},
-						},
-					},
-					Stmts: []ast.Vertex{
-						&ast.StmtContinue{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  15,
-								EndPos:    24,
-							},
-							ContinueTkn: &token.Token{
-								ID:    token.T_CONTINUE,
-								Value: []byte("continue"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  15,
-									EndPos:    23,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  14,
-											EndPos:    15,
-										},
-									},
-								},
-							},
-							SemiColonTkn: &token.Token{
-								ID:    token.ID(59),
-								Value: []byte(";"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  23,
-									EndPos:    24,
-								},
-							},
-						},
-					},
-					CloseCurlyBracketTkn: &token.Token{
-						ID:    token.ID(125),
-						Value: []byte("}"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  25,
-							EndPos:    26,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  24,
-									EndPos:    25,
-								},
-							},
-						},
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestStmtContinue_Light(t *testing.T) {
-	src := `<? while (1) { continue 2; }`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    28,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtWhile{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    28,
-				},
-				WhileTkn: &token.Token{
-					ID:    token.T_WHILE,
-					Value: []byte("while"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    8,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_OPEN_TAG,
-							Value: []byte("<?"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  0,
-								EndPos:    2,
-							},
-						},
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  2,
-								EndPos:    3,
-							},
-						},
-					},
-				},
-				OpenParenthesisTkn: &token.Token{
-					ID:    token.ID(40),
-					Value: []byte("("),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  9,
-						EndPos:    10,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  8,
-								EndPos:    9,
-							},
-						},
-					},
-				},
-				Cond: &ast.ScalarLnumber{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  10,
-						EndPos:    11,
-					},
-					NumberTkn: &token.Token{
-						ID:    token.T_LNUMBER,
-						Value: []byte("1"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  10,
-							EndPos:    11,
-						},
-					},
-					Value: []byte("1"),
-				},
-				CloseParenthesisTkn: &token.Token{
-					ID:    token.ID(41),
-					Value: []byte(")"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  11,
-						EndPos:    12,
-					},
-				},
-				Stmt: &ast.StmtStmtList{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  13,
-						EndPos:    28,
-					},
-					OpenCurlyBracketTkn: &token.Token{
-						ID:    token.ID(123),
-						Value: []byte("{"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  13,
-							EndPos:    14,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  12,
-									EndPos:    13,
-								},
-							},
-						},
-					},
-					Stmts: []ast.Vertex{
-						&ast.StmtContinue{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  15,
-								EndPos:    26,
-							},
-							ContinueTkn: &token.Token{
-								ID:    token.T_CONTINUE,
-								Value: []byte("continue"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  15,
-									EndPos:    23,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  14,
-											EndPos:    15,
-										},
-									},
-								},
-							},
-							Expr: &ast.ScalarLnumber{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  24,
-									EndPos:    25,
-								},
-								NumberTkn: &token.Token{
-									ID:    token.T_LNUMBER,
-									Value: []byte("2"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  24,
-										EndPos:    25,
-									},
-									FreeFloating: []*token.Token{
-										{
-											ID:    token.T_WHITESPACE,
-											Value: []byte(" "),
-											Position: &position.Position{
-												StartLine: 1,
-												EndLine:   1,
-												StartPos:  23,
-												EndPos:    24,
-											},
-										},
-									},
-								},
-								Value: []byte("2"),
-							},
-							SemiColonTkn: &token.Token{
-								ID:    token.ID(59),
-								Value: []byte(";"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  25,
-									EndPos:    26,
-								},
-							},
-						},
-					},
-					CloseCurlyBracketTkn: &token.Token{
-						ID:    token.ID(125),
-						Value: []byte("}"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  27,
-							EndPos:    28,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  26,
-									EndPos:    27,
-								},
-							},
-						},
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestStmtContinue(t *testing.T) {
-	src := `<? while (1) { continue(3); }`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    29,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtWhile{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    29,
-				},
-				WhileTkn: &token.Token{
-					ID:    token.T_WHILE,
-					Value: []byte("while"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    8,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_OPEN_TAG,
-							Value: []byte("<?"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  0,
-								EndPos:    2,
-							},
-						},
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  2,
-								EndPos:    3,
-							},
-						},
-					},
-				},
-				OpenParenthesisTkn: &token.Token{
-					ID:    token.ID(40),
-					Value: []byte("("),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  9,
-						EndPos:    10,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  8,
-								EndPos:    9,
-							},
-						},
-					},
-				},
-				Cond: &ast.ScalarLnumber{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  10,
-						EndPos:    11,
-					},
-					NumberTkn: &token.Token{
-						ID:    token.T_LNUMBER,
-						Value: []byte("1"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  10,
-							EndPos:    11,
-						},
-					},
-					Value: []byte("1"),
-				},
-				CloseParenthesisTkn: &token.Token{
-					ID:    token.ID(41),
-					Value: []byte(")"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  11,
-						EndPos:    12,
-					},
-				},
-				Stmt: &ast.StmtStmtList{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  13,
-						EndPos:    29,
-					},
-					OpenCurlyBracketTkn: &token.Token{
-						ID:    token.ID(123),
-						Value: []byte("{"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  13,
-							EndPos:    14,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  12,
-									EndPos:    13,
-								},
-							},
-						},
-					},
-					Stmts: []ast.Vertex{
-						&ast.StmtContinue{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  15,
-								EndPos:    27,
-							},
-							ContinueTkn: &token.Token{
-								ID:    token.T_CONTINUE,
-								Value: []byte("continue"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  15,
-									EndPos:    23,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  14,
-											EndPos:    15,
-										},
-									},
-								},
-							},
-							Expr: &ast.ExprBrackets{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  23,
-									EndPos:    26,
-								},
-								OpenParenthesisTkn: &token.Token{
-									ID:    token.ID(40),
-									Value: []byte("("),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  23,
-										EndPos:    24,
-									},
-								},
-								Expr: &ast.ScalarLnumber{
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  24,
-										EndPos:    25,
-									},
-									NumberTkn: &token.Token{
-										ID:    token.T_LNUMBER,
-										Value: []byte("3"),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  24,
-											EndPos:    25,
-										},
-									},
-									Value: []byte("3"),
-								},
-								CloseParenthesisTkn: &token.Token{
-									ID:    token.ID(41),
-									Value: []byte(")"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  25,
-										EndPos:    26,
-									},
-								},
-							},
-							SemiColonTkn: &token.Token{
-								ID:    token.ID(59),
-								Value: []byte(";"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  26,
-									EndPos:    27,
-								},
-							},
-						},
-					},
-					CloseCurlyBracketTkn: &token.Token{
-						ID:    token.ID(125),
-						Value: []byte("}"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  28,
-							EndPos:    29,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  27,
-									EndPos:    28,
-								},
-							},
-						},
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestStmtDeclare(t *testing.T) {
-	src := `<? declare(ticks=1);`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    20,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtDeclare{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    20,
-				},
-				DeclareTkn: &token.Token{
-					ID:    token.T_DECLARE,
-					Value: []byte("declare"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    10,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_OPEN_TAG,
-							Value: []byte("<?"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  0,
-								EndPos:    2,
-							},
-						},
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  2,
-								EndPos:    3,
-							},
-						},
-					},
-				},
-				OpenParenthesisTkn: &token.Token{
-					ID:    token.ID(40),
-					Value: []byte("("),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  10,
-						EndPos:    11,
-					},
-				},
-				Consts: []ast.Vertex{
-					&ast.StmtConstant{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  11,
-							EndPos:    18,
-						},
-						Name: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  11,
-								EndPos:    16,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_STRING,
-								Value: []byte("ticks"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  11,
-									EndPos:    16,
-								},
-							},
-							Value: []byte("ticks"),
-						},
-						EqualTkn: &token.Token{
-							ID:    token.ID(61),
-							Value: []byte("="),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  16,
-								EndPos:    17,
-							},
-						},
-						Expr: &ast.ScalarLnumber{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  17,
-								EndPos:    18,
-							},
-							NumberTkn: &token.Token{
-								ID:    token.T_LNUMBER,
-								Value: []byte("1"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  17,
-									EndPos:    18,
-								},
-							},
-							Value: []byte("1"),
-						},
-					},
-				},
-				CloseParenthesisTkn: &token.Token{
-					ID:    token.ID(41),
-					Value: []byte(")"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  18,
-						EndPos:    19,
-					},
-				},
-				Stmt: &ast.StmtNop{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  19,
-						EndPos:    20,
-					},
-					SemiColonTkn: &token.Token{
-						ID:    token.ID(59),
-						Value: []byte(";"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  19,
-							EndPos:    20,
-						},
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestStmtDeclare_Stmts(t *testing.T) {
-	src := `<? declare(ticks=1, strict_types=1) {}`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    38,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtDeclare{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    38,
-				},
-				DeclareTkn: &token.Token{
-					ID:    token.T_DECLARE,
-					Value: []byte("declare"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    10,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_OPEN_TAG,
-							Value: []byte("<?"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  0,
-								EndPos:    2,
-							},
-						},
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  2,
-								EndPos:    3,
-							},
-						},
-					},
-				},
-				OpenParenthesisTkn: &token.Token{
-					ID:    token.ID(40),
-					Value: []byte("("),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  10,
-						EndPos:    11,
-					},
-				},
-				Consts: []ast.Vertex{
-					&ast.StmtConstant{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  11,
-							EndPos:    18,
-						},
-						Name: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  11,
-								EndPos:    16,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_STRING,
-								Value: []byte("ticks"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  11,
-									EndPos:    16,
-								},
-							},
-							Value: []byte("ticks"),
-						},
-						EqualTkn: &token.Token{
-							ID:    token.ID(61),
-							Value: []byte("="),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  16,
-								EndPos:    17,
-							},
-						},
-						Expr: &ast.ScalarLnumber{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  17,
-								EndPos:    18,
-							},
-							NumberTkn: &token.Token{
-								ID:    token.T_LNUMBER,
-								Value: []byte("1"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  17,
-									EndPos:    18,
-								},
-							},
-							Value: []byte("1"),
-						},
-					},
-					&ast.StmtConstant{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  20,
-							EndPos:    34,
-						},
-						Name: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  20,
-								EndPos:    32,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_STRING,
-								Value: []byte("strict_types"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  20,
-									EndPos:    32,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  19,
-											EndPos:    20,
-										},
-									},
-								},
-							},
-							Value: []byte("strict_types"),
-						},
-						EqualTkn: &token.Token{
-							ID:    token.ID(61),
-							Value: []byte("="),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  32,
-								EndPos:    33,
-							},
-						},
-						Expr: &ast.ScalarLnumber{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  33,
-								EndPos:    34,
-							},
-							NumberTkn: &token.Token{
-								ID:    token.T_LNUMBER,
-								Value: []byte("1"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  33,
-									EndPos:    34,
-								},
-							},
-							Value: []byte("1"),
-						},
-					},
-				},
-				SeparatorTkns: []*token.Token{
-					{
-						ID:    token.ID(44),
-						Value: []byte(","),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  18,
-							EndPos:    19,
-						},
-					},
-				},
-				CloseParenthesisTkn: &token.Token{
-					ID:    token.ID(41),
-					Value: []byte(")"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  34,
-						EndPos:    35,
-					},
-				},
-				Stmt: &ast.StmtStmtList{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  36,
-						EndPos:    38,
-					},
-					OpenCurlyBracketTkn: &token.Token{
-						ID:    token.ID(123),
-						Value: []byte("{"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  36,
-							EndPos:    37,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  35,
-									EndPos:    36,
-								},
-							},
-						},
-					},
-					Stmts: []ast.Vertex{},
-					CloseCurlyBracketTkn: &token.Token{
-						ID:    token.ID(125),
-						Value: []byte("}"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  37,
-							EndPos:    38,
-						},
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestStmtDeclare_Alt(t *testing.T) {
-	src := `<? declare(ticks=1): enddeclare;`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    32,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtDeclare{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    32,
-				},
-				DeclareTkn: &token.Token{
-					ID:    token.T_DECLARE,
-					Value: []byte("declare"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    10,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_OPEN_TAG,
-							Value: []byte("<?"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  0,
-								EndPos:    2,
-							},
-						},
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  2,
-								EndPos:    3,
-							},
-						},
-					},
-				},
-				OpenParenthesisTkn: &token.Token{
-					ID:    token.ID(40),
-					Value: []byte("("),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  10,
-						EndPos:    11,
-					},
-				},
-				Consts: []ast.Vertex{
-					&ast.StmtConstant{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  11,
-							EndPos:    18,
-						},
-						Name: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  11,
-								EndPos:    16,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_STRING,
-								Value: []byte("ticks"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  11,
-									EndPos:    16,
-								},
-							},
-							Value: []byte("ticks"),
-						},
-						EqualTkn: &token.Token{
-							ID:    token.ID(61),
-							Value: []byte("="),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  16,
-								EndPos:    17,
-							},
-						},
-						Expr: &ast.ScalarLnumber{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  17,
-								EndPos:    18,
-							},
-							NumberTkn: &token.Token{
-								ID:    token.T_LNUMBER,
-								Value: []byte("1"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  17,
-									EndPos:    18,
-								},
-							},
-							Value: []byte("1"),
-						},
-					},
-				},
-				CloseParenthesisTkn: &token.Token{
-					ID:    token.ID(41),
-					Value: []byte(")"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  18,
-						EndPos:    19,
-					},
-				},
-				ColonTkn: &token.Token{
-					ID:    token.ID(58),
-					Value: []byte(":"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  19,
-						EndPos:    20,
-					},
-				},
-				Stmt: &ast.StmtStmtList{
-					Position: &position.Position{
-						StartLine: -1,
-						EndLine:   -1,
-						StartPos:  -1,
-						EndPos:    -1,
-					},
-					Stmts: []ast.Vertex{},
-				},
-				EndDeclareTkn: &token.Token{
-					ID:    token.T_ENDDECLARE,
-					Value: []byte("enddeclare"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  21,
-						EndPos:    31,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  20,
-								EndPos:    21,
-							},
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  31,
-						EndPos:    32,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestStmtDo(t *testing.T) {
-	src := `<? do {} while(1);`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    18,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtDo{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    18,
-				},
-				DoTkn: &token.Token{
-					ID:    token.T_DO,
-					Value: []byte("do"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    5,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_OPEN_TAG,
-							Value: []byte("<?"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  0,
-								EndPos:    2,
-							},
-						},
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  2,
-								EndPos:    3,
-							},
-						},
-					},
-				},
-				Stmt: &ast.StmtStmtList{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  6,
-						EndPos:    8,
-					},
-					OpenCurlyBracketTkn: &token.Token{
-						ID:    token.ID(123),
-						Value: []byte("{"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  6,
-							EndPos:    7,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  5,
-									EndPos:    6,
-								},
-							},
-						},
-					},
-					Stmts: []ast.Vertex{},
-					CloseCurlyBracketTkn: &token.Token{
-						ID:    token.ID(125),
-						Value: []byte("}"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  7,
-							EndPos:    8,
-						},
-					},
-				},
-				WhileTkn: &token.Token{
-					ID:    token.T_WHILE,
-					Value: []byte("while"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  9,
-						EndPos:    14,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  8,
-								EndPos:    9,
-							},
-						},
-					},
-				},
-				OpenParenthesisTkn: &token.Token{
-					ID:    token.ID(40),
-					Value: []byte("("),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  14,
-						EndPos:    15,
-					},
-				},
-				Cond: &ast.ScalarLnumber{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  15,
-						EndPos:    16,
-					},
-					NumberTkn: &token.Token{
-						ID:    token.T_LNUMBER,
-						Value: []byte("1"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  15,
-							EndPos:    16,
-						},
-					},
-					Value: []byte("1"),
-				},
-				CloseParenthesisTkn: &token.Token{
-					ID:    token.ID(41),
-					Value: []byte(")"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  16,
-						EndPos:    17,
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  17,
-						EndPos:    18,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestStmtEcho(t *testing.T) {
-	src := `<? echo $a, 1;`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    14,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtEcho{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    14,
-				},
-				EchoTkn: &token.Token{
-					ID:    token.T_ECHO,
-					Value: []byte("echo"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    7,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_OPEN_TAG,
-							Value: []byte("<?"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  0,
-								EndPos:    2,
-							},
-						},
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  2,
-								EndPos:    3,
-							},
-						},
-					},
-				},
-				Exprs: []ast.Vertex{
-					&ast.ExprVariable{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  8,
-							EndPos:    10,
-						},
-						Name: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  8,
-								EndPos:    10,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_VARIABLE,
-								Value: []byte("$a"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  8,
-									EndPos:    10,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  7,
-											EndPos:    8,
-										},
-									},
-								},
-							},
-							Value: []byte("$a"),
-						},
-					},
-					&ast.ScalarLnumber{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  12,
-							EndPos:    13,
-						},
-						NumberTkn: &token.Token{
-							ID:    token.T_LNUMBER,
-							Value: []byte("1"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  12,
-								EndPos:    13,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  11,
-										EndPos:    12,
-									},
-								},
-							},
-						},
-						Value: []byte("1"),
-					},
-				},
-				SeparatorTkns: []*token.Token{
-					{
-						ID:    token.ID(44),
-						Value: []byte(","),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  10,
-							EndPos:    11,
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  13,
-						EndPos:    14,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestStmtEcho_Parenthesis(t *testing.T) {
-	src := `<? echo($a);`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    12,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtEcho{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    12,
-				},
-				EchoTkn: &token.Token{
-					ID:    token.T_ECHO,
-					Value: []byte("echo"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    7,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_OPEN_TAG,
-							Value: []byte("<?"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  0,
-								EndPos:    2,
-							},
-						},
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  2,
-								EndPos:    3,
-							},
-						},
-					},
-				},
-				Exprs: []ast.Vertex{
-					&ast.ExprBrackets{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  7,
-							EndPos:    11,
-						},
-						OpenParenthesisTkn: &token.Token{
-							ID:    token.ID(40),
-							Value: []byte("("),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  7,
-								EndPos:    8,
-							},
-						},
-						Expr: &ast.ExprVariable{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  8,
-								EndPos:    10,
-							},
-							Name: &ast.Identifier{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  8,
-									EndPos:    10,
-								},
-								IdentifierTkn: &token.Token{
-									ID:    token.T_VARIABLE,
-									Value: []byte("$a"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  8,
-										EndPos:    10,
-									},
-								},
-								Value: []byte("$a"),
-							},
-						},
-						CloseParenthesisTkn: &token.Token{
-							ID:    token.ID(41),
-							Value: []byte(")"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  10,
-								EndPos:    11,
-							},
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  11,
-						EndPos:    12,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestStmtExpression(t *testing.T) {
-	src := `<? ((1));`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    9,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    9,
-				},
-				Expr: &ast.ExprBrackets{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    8,
-					},
-					OpenParenthesisTkn: &token.Token{
-						ID:    token.ID(40),
-						Value: []byte("("),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    4,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_OPEN_TAG,
-								Value: []byte("<?"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  0,
-									EndPos:    2,
-								},
-							},
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  2,
-									EndPos:    3,
-								},
-							},
-						},
-					},
-					Expr: &ast.ExprBrackets{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  4,
-							EndPos:    7,
-						},
-						OpenParenthesisTkn: &token.Token{
-							ID:    token.ID(40),
-							Value: []byte("("),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  4,
-								EndPos:    5,
-							},
-						},
-						Expr: &ast.ScalarLnumber{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  5,
-								EndPos:    6,
-							},
-							NumberTkn: &token.Token{
-								ID:    token.T_LNUMBER,
-								Value: []byte("1"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  5,
-									EndPos:    6,
-								},
-							},
-							Value: []byte("1"),
-						},
-						CloseParenthesisTkn: &token.Token{
-							ID:    token.ID(41),
-							Value: []byte(")"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  6,
-								EndPos:    7,
-							},
-						},
-					},
-					CloseParenthesisTkn: &token.Token{
-						ID:    token.ID(41),
-						Value: []byte(")"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  7,
-							EndPos:    8,
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  8,
-						EndPos:    9,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestStmtFor(t *testing.T) {
-	src := `<? for($i = 0; $i < 10; $i++, $i++) {}`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    38,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtFor{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    38,
-				},
-				ForTkn: &token.Token{
-					ID:    token.T_FOR,
-					Value: []byte("for"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    6,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_OPEN_TAG,
-							Value: []byte("<?"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  0,
-								EndPos:    2,
-							},
-						},
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  2,
-								EndPos:    3,
-							},
-						},
-					},
-				},
-				OpenParenthesisTkn: &token.Token{
-					ID:    token.ID(40),
-					Value: []byte("("),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  6,
-						EndPos:    7,
-					},
-				},
-				Init: []ast.Vertex{
-					&ast.ExprAssign{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  7,
-							EndPos:    13,
-						},
-						Var: &ast.ExprVariable{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  7,
-								EndPos:    9,
-							},
-							Name: &ast.Identifier{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  7,
-									EndPos:    9,
-								},
-								IdentifierTkn: &token.Token{
-									ID:    token.T_VARIABLE,
-									Value: []byte("$i"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  7,
-										EndPos:    9,
-									},
-								},
-								Value: []byte("$i"),
-							},
-						},
-						EqualTkn: &token.Token{
-							ID:    token.ID(61),
-							Value: []byte("="),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  10,
-								EndPos:    11,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  9,
-										EndPos:    10,
-									},
-								},
-							},
-						},
-						Expr: &ast.ScalarLnumber{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  12,
-								EndPos:    13,
-							},
-							NumberTkn: &token.Token{
-								ID:    token.T_LNUMBER,
-								Value: []byte("0"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  12,
-									EndPos:    13,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  11,
-											EndPos:    12,
-										},
-									},
-								},
-							},
-							Value: []byte("0"),
-						},
-					},
-				},
-				InitSemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  13,
-						EndPos:    14,
-					},
-				},
-				Cond: []ast.Vertex{
-					&ast.ExprBinarySmaller{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  15,
-							EndPos:    22,
-						},
-						Left: &ast.ExprVariable{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  15,
-								EndPos:    17,
-							},
-							Name: &ast.Identifier{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  15,
-									EndPos:    17,
-								},
-								IdentifierTkn: &token.Token{
-									ID:    token.T_VARIABLE,
-									Value: []byte("$i"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  15,
-										EndPos:    17,
-									},
-									FreeFloating: []*token.Token{
-										{
-											ID:    token.T_WHITESPACE,
-											Value: []byte(" "),
-											Position: &position.Position{
-												StartLine: 1,
-												EndLine:   1,
-												StartPos:  14,
-												EndPos:    15,
-											},
-										},
-									},
-								},
-								Value: []byte("$i"),
-							},
-						},
-						OpTkn: &token.Token{
-							ID:    token.ID(60),
-							Value: []byte("<"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  18,
-								EndPos:    19,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  17,
-										EndPos:    18,
-									},
-								},
-							},
-						},
-						Right: &ast.ScalarLnumber{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  20,
-								EndPos:    22,
-							},
-							NumberTkn: &token.Token{
-								ID:    token.T_LNUMBER,
-								Value: []byte("10"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  20,
-									EndPos:    22,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  19,
-											EndPos:    20,
-										},
-									},
-								},
-							},
-							Value: []byte("10"),
-						},
-					},
-				},
-				CondSemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  22,
-						EndPos:    23,
-					},
-				},
-				Loop: []ast.Vertex{
-					&ast.ExprPostInc{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  24,
-							EndPos:    28,
-						},
-						Var: &ast.ExprVariable{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  24,
-								EndPos:    26,
-							},
-							Name: &ast.Identifier{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  24,
-									EndPos:    26,
-								},
-								IdentifierTkn: &token.Token{
-									ID:    token.T_VARIABLE,
-									Value: []byte("$i"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  24,
-										EndPos:    26,
-									},
-									FreeFloating: []*token.Token{
-										{
-											ID:    token.T_WHITESPACE,
-											Value: []byte(" "),
-											Position: &position.Position{
-												StartLine: 1,
-												EndLine:   1,
-												StartPos:  23,
-												EndPos:    24,
-											},
-										},
-									},
-								},
-								Value: []byte("$i"),
-							},
-						},
-						IncTkn: &token.Token{
-							ID:    token.T_INC,
-							Value: []byte("++"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  26,
-								EndPos:    28,
-							},
-						},
-					},
-					&ast.ExprPostInc{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  30,
-							EndPos:    34,
-						},
-						Var: &ast.ExprVariable{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  30,
-								EndPos:    32,
-							},
-							Name: &ast.Identifier{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  30,
-									EndPos:    32,
-								},
-								IdentifierTkn: &token.Token{
-									ID:    token.T_VARIABLE,
-									Value: []byte("$i"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  30,
-										EndPos:    32,
-									},
-									FreeFloating: []*token.Token{
-										{
-											ID:    token.T_WHITESPACE,
-											Value: []byte(" "),
-											Position: &position.Position{
-												StartLine: 1,
-												EndLine:   1,
-												StartPos:  29,
-												EndPos:    30,
-											},
-										},
-									},
-								},
-								Value: []byte("$i"),
-							},
-						},
-						IncTkn: &token.Token{
-							ID:    token.T_INC,
-							Value: []byte("++"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  32,
-								EndPos:    34,
-							},
-						},
-					},
-				},
-				LoopSeparatorTkns: []*token.Token{
-					{
-						ID:    token.ID(44),
-						Value: []byte(","),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  28,
-							EndPos:    29,
-						},
-					},
-				},
-				CloseParenthesisTkn: &token.Token{
-					ID:    token.ID(41),
-					Value: []byte(")"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  34,
-						EndPos:    35,
-					},
-				},
-				Stmt: &ast.StmtStmtList{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  36,
-						EndPos:    38,
-					},
-					OpenCurlyBracketTkn: &token.Token{
-						ID:    token.ID(123),
-						Value: []byte("{"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  36,
-							EndPos:    37,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  35,
-									EndPos:    36,
-								},
-							},
-						},
-					},
-					Stmts: []ast.Vertex{},
-					CloseCurlyBracketTkn: &token.Token{
-						ID:    token.ID(125),
-						Value: []byte("}"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  37,
-							EndPos:    38,
-						},
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestStmtFor_Alt(t *testing.T) {
-	src := `<? for(; $i < 10; $i++) : endfor;`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    33,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtFor{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    33,
-				},
-				ForTkn: &token.Token{
-					ID:    token.T_FOR,
-					Value: []byte("for"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    6,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_OPEN_TAG,
-							Value: []byte("<?"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  0,
-								EndPos:    2,
-							},
-						},
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  2,
-								EndPos:    3,
-							},
-						},
-					},
-				},
-				OpenParenthesisTkn: &token.Token{
-					ID:    token.ID(40),
-					Value: []byte("("),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  6,
-						EndPos:    7,
-					},
-				},
-				InitSemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  7,
-						EndPos:    8,
-					},
-				},
-				Cond: []ast.Vertex{
-					&ast.ExprBinarySmaller{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  9,
-							EndPos:    16,
-						},
-						Left: &ast.ExprVariable{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  9,
-								EndPos:    11,
-							},
-							Name: &ast.Identifier{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  9,
-									EndPos:    11,
-								},
-								IdentifierTkn: &token.Token{
-									ID:    token.T_VARIABLE,
-									Value: []byte("$i"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  9,
-										EndPos:    11,
-									},
-									FreeFloating: []*token.Token{
-										{
-											ID:    token.T_WHITESPACE,
-											Value: []byte(" "),
-											Position: &position.Position{
-												StartLine: 1,
-												EndLine:   1,
-												StartPos:  8,
-												EndPos:    9,
-											},
-										},
-									},
-								},
-								Value: []byte("$i"),
-							},
-						},
-						OpTkn: &token.Token{
-							ID:    token.ID(60),
-							Value: []byte("<"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  12,
-								EndPos:    13,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  11,
-										EndPos:    12,
-									},
-								},
-							},
-						},
-						Right: &ast.ScalarLnumber{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  14,
-								EndPos:    16,
-							},
-							NumberTkn: &token.Token{
-								ID:    token.T_LNUMBER,
-								Value: []byte("10"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  14,
-									EndPos:    16,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  13,
-											EndPos:    14,
-										},
-									},
-								},
-							},
-							Value: []byte("10"),
-						},
-					},
-				},
-				CondSemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  16,
-						EndPos:    17,
-					},
-				},
-				Loop: []ast.Vertex{
-					&ast.ExprPostInc{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  18,
-							EndPos:    22,
-						},
-						Var: &ast.ExprVariable{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  18,
-								EndPos:    20,
-							},
-							Name: &ast.Identifier{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  18,
-									EndPos:    20,
-								},
-								IdentifierTkn: &token.Token{
-									ID:    token.T_VARIABLE,
-									Value: []byte("$i"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  18,
-										EndPos:    20,
-									},
-									FreeFloating: []*token.Token{
-										{
-											ID:    token.T_WHITESPACE,
-											Value: []byte(" "),
-											Position: &position.Position{
-												StartLine: 1,
-												EndLine:   1,
-												StartPos:  17,
-												EndPos:    18,
-											},
-										},
-									},
-								},
-								Value: []byte("$i"),
-							},
-						},
-						IncTkn: &token.Token{
-							ID:    token.T_INC,
-							Value: []byte("++"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  20,
-								EndPos:    22,
-							},
-						},
-					},
-				},
-				CloseParenthesisTkn: &token.Token{
-					ID:    token.ID(41),
-					Value: []byte(")"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  22,
-						EndPos:    23,
-					},
-				},
-				ColonTkn: &token.Token{
-					ID:    token.ID(58),
-					Value: []byte(":"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  24,
-						EndPos:    25,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  23,
-								EndPos:    24,
-							},
-						},
-					},
-				},
-				Stmt: &ast.StmtStmtList{
-					Position: &position.Position{
-						StartLine: -1,
-						EndLine:   -1,
-						StartPos:  -1,
-						EndPos:    -1,
-					},
-					Stmts: []ast.Vertex{},
-				},
-				EndForTkn: &token.Token{
-					ID:    token.T_ENDFOR,
-					Value: []byte("endfor"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  26,
-						EndPos:    32,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  25,
-								EndPos:    26,
-							},
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  32,
-						EndPos:    33,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestStmtForeach(t *testing.T) {
-	src := `<? foreach ($a as $v) {}`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    24,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtForeach{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    24,
-				},
-				ForeachTkn: &token.Token{
-					ID:    token.T_FOREACH,
-					Value: []byte("foreach"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    10,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_OPEN_TAG,
-							Value: []byte("<?"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  0,
-								EndPos:    2,
-							},
-						},
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  2,
-								EndPos:    3,
-							},
-						},
-					},
-				},
-				OpenParenthesisTkn: &token.Token{
-					ID:    token.ID(40),
-					Value: []byte("("),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  11,
-						EndPos:    12,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  10,
-								EndPos:    11,
-							},
-						},
-					},
-				},
-				Expr: &ast.ExprVariable{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  12,
-						EndPos:    14,
-					},
-					Name: &ast.Identifier{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  12,
-							EndPos:    14,
-						},
-						IdentifierTkn: &token.Token{
-							ID:    token.T_VARIABLE,
-							Value: []byte("$a"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  12,
-								EndPos:    14,
-							},
-						},
-						Value: []byte("$a"),
-					},
-				},
-				AsTkn: &token.Token{
-					ID:    token.T_AS,
-					Value: []byte("as"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  15,
-						EndPos:    17,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  14,
-								EndPos:    15,
-							},
-						},
-					},
-				},
-				Var: &ast.ExprVariable{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  18,
-						EndPos:    20,
-					},
-					Name: &ast.Identifier{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  18,
-							EndPos:    20,
-						},
-						IdentifierTkn: &token.Token{
-							ID:    token.T_VARIABLE,
-							Value: []byte("$v"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  18,
-								EndPos:    20,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  17,
-										EndPos:    18,
-									},
-								},
-							},
-						},
-						Value: []byte("$v"),
-					},
-				},
-				CloseParenthesisTkn: &token.Token{
-					ID:    token.ID(41),
-					Value: []byte(")"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  20,
-						EndPos:    21,
-					},
-				},
-				Stmt: &ast.StmtStmtList{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  22,
-						EndPos:    24,
-					},
-					OpenCurlyBracketTkn: &token.Token{
-						ID:    token.ID(123),
-						Value: []byte("{"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  22,
-							EndPos:    23,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  21,
-									EndPos:    22,
-								},
-							},
-						},
-					},
-					Stmts: []ast.Vertex{},
-					CloseCurlyBracketTkn: &token.Token{
-						ID:    token.ID(125),
-						Value: []byte("}"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  23,
-							EndPos:    24,
-						},
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestStmtForeach_Expr(t *testing.T) {
-	src := `<? foreach ([] as $v) {}`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    24,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtForeach{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    24,
-				},
-				ForeachTkn: &token.Token{
-					ID:    token.T_FOREACH,
-					Value: []byte("foreach"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    10,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_OPEN_TAG,
-							Value: []byte("<?"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  0,
-								EndPos:    2,
-							},
-						},
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  2,
-								EndPos:    3,
-							},
-						},
-					},
-				},
-				OpenParenthesisTkn: &token.Token{
-					ID:    token.ID(40),
-					Value: []byte("("),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  11,
-						EndPos:    12,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  10,
-								EndPos:    11,
-							},
-						},
-					},
-				},
-				Expr: &ast.ExprArray{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  12,
-						EndPos:    14,
-					},
-					OpenBracketTkn: &token.Token{
-						ID:    token.ID(91),
-						Value: []byte("["),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  12,
-							EndPos:    13,
-						},
-					},
-					CloseBracketTkn: &token.Token{
-						ID:    token.ID(93),
-						Value: []byte("]"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  13,
-							EndPos:    14,
-						},
-					},
-				},
-				AsTkn: &token.Token{
-					ID:    token.T_AS,
-					Value: []byte("as"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  15,
-						EndPos:    17,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  14,
-								EndPos:    15,
-							},
-						},
-					},
-				},
-				Var: &ast.ExprVariable{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  18,
-						EndPos:    20,
-					},
-					Name: &ast.Identifier{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  18,
-							EndPos:    20,
-						},
-						IdentifierTkn: &token.Token{
-							ID:    token.T_VARIABLE,
-							Value: []byte("$v"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  18,
-								EndPos:    20,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  17,
-										EndPos:    18,
-									},
-								},
-							},
-						},
-						Value: []byte("$v"),
-					},
-				},
-				CloseParenthesisTkn: &token.Token{
-					ID:    token.ID(41),
-					Value: []byte(")"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  20,
-						EndPos:    21,
-					},
-				},
-				Stmt: &ast.StmtStmtList{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  22,
-						EndPos:    24,
-					},
-					OpenCurlyBracketTkn: &token.Token{
-						ID:    token.ID(123),
-						Value: []byte("{"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  22,
-							EndPos:    23,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  21,
-									EndPos:    22,
-								},
-							},
-						},
-					},
-					Stmts: []ast.Vertex{},
-					CloseCurlyBracketTkn: &token.Token{
-						ID:    token.ID(125),
-						Value: []byte("}"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  23,
-							EndPos:    24,
-						},
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestStmtForeach_Alt(t *testing.T) {
-	src := `<? foreach ($a as $v) : endforeach;`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    35,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtForeach{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    35,
-				},
-				ForeachTkn: &token.Token{
-					ID:    token.T_FOREACH,
-					Value: []byte("foreach"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    10,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_OPEN_TAG,
-							Value: []byte("<?"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  0,
-								EndPos:    2,
-							},
-						},
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  2,
-								EndPos:    3,
-							},
-						},
-					},
-				},
-				OpenParenthesisTkn: &token.Token{
-					ID:    token.ID(40),
-					Value: []byte("("),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  11,
-						EndPos:    12,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  10,
-								EndPos:    11,
-							},
-						},
-					},
-				},
-				Expr: &ast.ExprVariable{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  12,
-						EndPos:    14,
-					},
-					Name: &ast.Identifier{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  12,
-							EndPos:    14,
-						},
-						IdentifierTkn: &token.Token{
-							ID:    token.T_VARIABLE,
-							Value: []byte("$a"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  12,
-								EndPos:    14,
-							},
-						},
-						Value: []byte("$a"),
-					},
-				},
-				AsTkn: &token.Token{
-					ID:    token.T_AS,
-					Value: []byte("as"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  15,
-						EndPos:    17,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  14,
-								EndPos:    15,
-							},
-						},
-					},
-				},
-				Var: &ast.ExprVariable{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  18,
-						EndPos:    20,
-					},
-					Name: &ast.Identifier{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  18,
-							EndPos:    20,
-						},
-						IdentifierTkn: &token.Token{
-							ID:    token.T_VARIABLE,
-							Value: []byte("$v"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  18,
-								EndPos:    20,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  17,
-										EndPos:    18,
-									},
-								},
-							},
-						},
-						Value: []byte("$v"),
-					},
-				},
-				CloseParenthesisTkn: &token.Token{
-					ID:    token.ID(41),
-					Value: []byte(")"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  20,
-						EndPos:    21,
-					},
-				},
-				ColonTkn: &token.Token{
-					ID:    token.ID(58),
-					Value: []byte(":"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  22,
-						EndPos:    23,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  21,
-								EndPos:    22,
-							},
-						},
-					},
-				},
-				Stmt: &ast.StmtStmtList{
-					Position: &position.Position{
-						StartLine: -1,
-						EndLine:   -1,
-						StartPos:  -1,
-						EndPos:    -1,
-					},
-					Stmts: []ast.Vertex{},
-				},
-				EndForeachTkn: &token.Token{
-					ID:    token.T_ENDFOREACH,
-					Value: []byte("endforeach"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  24,
-						EndPos:    34,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  23,
-								EndPos:    24,
-							},
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  34,
-						EndPos:    35,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestStmtForeach_WithKey(t *testing.T) {
-	src := `<? foreach ($a as $k => $v) {}`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    30,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtForeach{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    30,
-				},
-				ForeachTkn: &token.Token{
-					ID:    token.T_FOREACH,
-					Value: []byte("foreach"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    10,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_OPEN_TAG,
-							Value: []byte("<?"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  0,
-								EndPos:    2,
-							},
-						},
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  2,
-								EndPos:    3,
-							},
-						},
-					},
-				},
-				OpenParenthesisTkn: &token.Token{
-					ID:    token.ID(40),
-					Value: []byte("("),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  11,
-						EndPos:    12,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  10,
-								EndPos:    11,
-							},
-						},
-					},
-				},
-				Expr: &ast.ExprVariable{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  12,
-						EndPos:    14,
-					},
-					Name: &ast.Identifier{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  12,
-							EndPos:    14,
-						},
-						IdentifierTkn: &token.Token{
-							ID:    token.T_VARIABLE,
-							Value: []byte("$a"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  12,
-								EndPos:    14,
-							},
-						},
-						Value: []byte("$a"),
-					},
-				},
-				AsTkn: &token.Token{
-					ID:    token.T_AS,
-					Value: []byte("as"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  15,
-						EndPos:    17,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  14,
-								EndPos:    15,
-							},
-						},
-					},
-				},
-				Key: &ast.ExprVariable{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  18,
-						EndPos:    20,
-					},
-					Name: &ast.Identifier{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  18,
-							EndPos:    20,
-						},
-						IdentifierTkn: &token.Token{
-							ID:    token.T_VARIABLE,
-							Value: []byte("$k"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  18,
-								EndPos:    20,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  17,
-										EndPos:    18,
-									},
-								},
-							},
-						},
-						Value: []byte("$k"),
-					},
-				},
-				DoubleArrowTkn: &token.Token{
-					ID:    token.T_DOUBLE_ARROW,
-					Value: []byte("=>"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  21,
-						EndPos:    23,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  20,
-								EndPos:    21,
-							},
-						},
-					},
-				},
-				Var: &ast.ExprVariable{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  24,
-						EndPos:    26,
-					},
-					Name: &ast.Identifier{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  24,
-							EndPos:    26,
-						},
-						IdentifierTkn: &token.Token{
-							ID:    token.T_VARIABLE,
-							Value: []byte("$v"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  24,
-								EndPos:    26,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  23,
-										EndPos:    24,
-									},
-								},
-							},
-						},
-						Value: []byte("$v"),
-					},
-				},
-				CloseParenthesisTkn: &token.Token{
-					ID:    token.ID(41),
-					Value: []byte(")"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  26,
-						EndPos:    27,
-					},
-				},
-				Stmt: &ast.StmtStmtList{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  28,
-						EndPos:    30,
-					},
-					OpenCurlyBracketTkn: &token.Token{
-						ID:    token.ID(123),
-						Value: []byte("{"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  28,
-							EndPos:    29,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  27,
-									EndPos:    28,
-								},
-							},
-						},
-					},
-					Stmts: []ast.Vertex{},
-					CloseCurlyBracketTkn: &token.Token{
-						ID:    token.ID(125),
-						Value: []byte("}"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  29,
-							EndPos:    30,
-						},
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestStmtForeach_ExprWithKey(t *testing.T) {
-	src := `<? foreach ([] as $k => $v) {}`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    30,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtForeach{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    30,
-				},
-				ForeachTkn: &token.Token{
-					ID:    token.T_FOREACH,
-					Value: []byte("foreach"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    10,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_OPEN_TAG,
-							Value: []byte("<?"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  0,
-								EndPos:    2,
-							},
-						},
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  2,
-								EndPos:    3,
-							},
-						},
-					},
-				},
-				OpenParenthesisTkn: &token.Token{
-					ID:    token.ID(40),
-					Value: []byte("("),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  11,
-						EndPos:    12,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  10,
-								EndPos:    11,
-							},
-						},
-					},
-				},
-				Expr: &ast.ExprArray{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  12,
-						EndPos:    14,
-					},
-					OpenBracketTkn: &token.Token{
-						ID:    token.ID(91),
-						Value: []byte("["),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  12,
-							EndPos:    13,
-						},
-					},
-					CloseBracketTkn: &token.Token{
-						ID:    token.ID(93),
-						Value: []byte("]"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  13,
-							EndPos:    14,
-						},
-					},
-				},
-				AsTkn: &token.Token{
-					ID:    token.T_AS,
-					Value: []byte("as"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  15,
-						EndPos:    17,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  14,
-								EndPos:    15,
-							},
-						},
-					},
-				},
-				Key: &ast.ExprVariable{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  18,
-						EndPos:    20,
-					},
-					Name: &ast.Identifier{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  18,
-							EndPos:    20,
-						},
-						IdentifierTkn: &token.Token{
-							ID:    token.T_VARIABLE,
-							Value: []byte("$k"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  18,
-								EndPos:    20,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  17,
-										EndPos:    18,
-									},
-								},
-							},
-						},
-						Value: []byte("$k"),
-					},
-				},
-				DoubleArrowTkn: &token.Token{
-					ID:    token.T_DOUBLE_ARROW,
-					Value: []byte("=>"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  21,
-						EndPos:    23,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  20,
-								EndPos:    21,
-							},
-						},
-					},
-				},
-				Var: &ast.ExprVariable{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  24,
-						EndPos:    26,
-					},
-					Name: &ast.Identifier{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  24,
-							EndPos:    26,
-						},
-						IdentifierTkn: &token.Token{
-							ID:    token.T_VARIABLE,
-							Value: []byte("$v"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  24,
-								EndPos:    26,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  23,
-										EndPos:    24,
-									},
-								},
-							},
-						},
-						Value: []byte("$v"),
-					},
-				},
-				CloseParenthesisTkn: &token.Token{
-					ID:    token.ID(41),
-					Value: []byte(")"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  26,
-						EndPos:    27,
-					},
-				},
-				Stmt: &ast.StmtStmtList{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  28,
-						EndPos:    30,
-					},
-					OpenCurlyBracketTkn: &token.Token{
-						ID:    token.ID(123),
-						Value: []byte("{"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  28,
-							EndPos:    29,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  27,
-									EndPos:    28,
-								},
-							},
-						},
-					},
-					Stmts: []ast.Vertex{},
-					CloseCurlyBracketTkn: &token.Token{
-						ID:    token.ID(125),
-						Value: []byte("}"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  29,
-							EndPos:    30,
-						},
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestStmtForeach_WithRef(t *testing.T) {
-	src := `<? foreach ($a as $k => &$v) {}`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    31,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtForeach{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    31,
-				},
-				ForeachTkn: &token.Token{
-					ID:    token.T_FOREACH,
-					Value: []byte("foreach"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    10,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_OPEN_TAG,
-							Value: []byte("<?"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  0,
-								EndPos:    2,
-							},
-						},
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  2,
-								EndPos:    3,
-							},
-						},
-					},
-				},
-				OpenParenthesisTkn: &token.Token{
-					ID:    token.ID(40),
-					Value: []byte("("),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  11,
-						EndPos:    12,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  10,
-								EndPos:    11,
-							},
-						},
-					},
-				},
-				Expr: &ast.ExprVariable{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  12,
-						EndPos:    14,
-					},
-					Name: &ast.Identifier{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  12,
-							EndPos:    14,
-						},
-						IdentifierTkn: &token.Token{
-							ID:    token.T_VARIABLE,
-							Value: []byte("$a"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  12,
-								EndPos:    14,
-							},
-						},
-						Value: []byte("$a"),
-					},
-				},
-				AsTkn: &token.Token{
-					ID:    token.T_AS,
-					Value: []byte("as"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  15,
-						EndPos:    17,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  14,
-								EndPos:    15,
-							},
-						},
-					},
-				},
-				Key: &ast.ExprVariable{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  18,
-						EndPos:    20,
-					},
-					Name: &ast.Identifier{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  18,
-							EndPos:    20,
-						},
-						IdentifierTkn: &token.Token{
-							ID:    token.T_VARIABLE,
-							Value: []byte("$k"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  18,
-								EndPos:    20,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  17,
-										EndPos:    18,
-									},
-								},
-							},
-						},
-						Value: []byte("$k"),
-					},
-				},
-				DoubleArrowTkn: &token.Token{
-					ID:    token.T_DOUBLE_ARROW,
-					Value: []byte("=>"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  21,
-						EndPos:    23,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  20,
-								EndPos:    21,
-							},
-						},
-					},
-				},
-				AmpersandTkn: &token.Token{
-					ID:    token.ID(38),
-					Value: []byte("&"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  24,
-						EndPos:    25,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  23,
-								EndPos:    24,
-							},
-						},
-					},
-				},
-				Var: &ast.ExprVariable{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  25,
-						EndPos:    27,
-					},
-					Name: &ast.Identifier{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  25,
-							EndPos:    27,
-						},
-						IdentifierTkn: &token.Token{
-							ID:    token.T_VARIABLE,
-							Value: []byte("$v"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  25,
-								EndPos:    27,
-							},
-						},
-						Value: []byte("$v"),
-					},
-				},
-				CloseParenthesisTkn: &token.Token{
-					ID:    token.ID(41),
-					Value: []byte(")"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  27,
-						EndPos:    28,
-					},
-				},
-				Stmt: &ast.StmtStmtList{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  29,
-						EndPos:    31,
-					},
-					OpenCurlyBracketTkn: &token.Token{
-						ID:    token.ID(123),
-						Value: []byte("{"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  29,
-							EndPos:    30,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  28,
-									EndPos:    29,
-								},
-							},
-						},
-					},
-					Stmts: []ast.Vertex{},
-					CloseCurlyBracketTkn: &token.Token{
-						ID:    token.ID(125),
-						Value: []byte("}"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  30,
-							EndPos:    31,
-						},
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestStmtForeach_WithList(t *testing.T) {
-	src := `<? foreach ($a as $k => list($v)) {}`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    36,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtForeach{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    36,
-				},
-				ForeachTkn: &token.Token{
-					ID:    token.T_FOREACH,
-					Value: []byte("foreach"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    10,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_OPEN_TAG,
-							Value: []byte("<?"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  0,
-								EndPos:    2,
-							},
-						},
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  2,
-								EndPos:    3,
-							},
-						},
-					},
-				},
-				OpenParenthesisTkn: &token.Token{
-					ID:    token.ID(40),
-					Value: []byte("("),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  11,
-						EndPos:    12,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  10,
-								EndPos:    11,
-							},
-						},
-					},
-				},
-				Expr: &ast.ExprVariable{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  12,
-						EndPos:    14,
-					},
-					Name: &ast.Identifier{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  12,
-							EndPos:    14,
-						},
-						IdentifierTkn: &token.Token{
-							ID:    token.T_VARIABLE,
-							Value: []byte("$a"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  12,
-								EndPos:    14,
-							},
-						},
-						Value: []byte("$a"),
-					},
-				},
-				AsTkn: &token.Token{
-					ID:    token.T_AS,
-					Value: []byte("as"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  15,
-						EndPos:    17,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  14,
-								EndPos:    15,
-							},
-						},
-					},
-				},
-				Key: &ast.ExprVariable{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  18,
-						EndPos:    20,
-					},
-					Name: &ast.Identifier{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  18,
-							EndPos:    20,
-						},
-						IdentifierTkn: &token.Token{
-							ID:    token.T_VARIABLE,
-							Value: []byte("$k"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  18,
-								EndPos:    20,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  17,
-										EndPos:    18,
-									},
-								},
-							},
-						},
-						Value: []byte("$k"),
-					},
-				},
-				DoubleArrowTkn: &token.Token{
-					ID:    token.T_DOUBLE_ARROW,
-					Value: []byte("=>"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  21,
-						EndPos:    23,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  20,
-								EndPos:    21,
-							},
-						},
-					},
-				},
-				Var: &ast.ExprList{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  24,
-						EndPos:    32,
-					},
-					ListTkn: &token.Token{
-						ID:    token.T_LIST,
-						Value: []byte("list"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  24,
-							EndPos:    28,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  23,
-									EndPos:    24,
-								},
-							},
-						},
-					},
-					OpenBracketTkn: &token.Token{
-						ID:    token.ID(40),
-						Value: []byte("("),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  28,
-							EndPos:    29,
-						},
-					},
-					Items: []ast.Vertex{
-						&ast.ExprArrayItem{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  29,
-								EndPos:    31,
-							},
-							Val: &ast.ExprVariable{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  29,
-									EndPos:    31,
-								},
-								Name: &ast.Identifier{
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  29,
-										EndPos:    31,
-									},
-									IdentifierTkn: &token.Token{
-										ID:    token.T_VARIABLE,
-										Value: []byte("$v"),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  29,
-											EndPos:    31,
-										},
-									},
-									Value: []byte("$v"),
-								},
-							},
-						},
-					},
-					CloseBracketTkn: &token.Token{
-						ID:    token.ID(41),
-						Value: []byte(")"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  31,
-							EndPos:    32,
-						},
-					},
-				},
-				CloseParenthesisTkn: &token.Token{
-					ID:    token.ID(41),
-					Value: []byte(")"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  32,
-						EndPos:    33,
-					},
-				},
-				Stmt: &ast.StmtStmtList{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  34,
-						EndPos:    36,
-					},
-					OpenCurlyBracketTkn: &token.Token{
-						ID:    token.ID(123),
-						Value: []byte("{"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  34,
-							EndPos:    35,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  33,
-									EndPos:    34,
-								},
-							},
-						},
-					},
-					Stmts: []ast.Vertex{},
-					CloseCurlyBracketTkn: &token.Token{
-						ID:    token.ID(125),
-						Value: []byte("}"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  35,
-							EndPos:    36,
-						},
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestStmtFunction(t *testing.T) {
-	src := `<? function foo() {}`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    20,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtFunction{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    20,
-				},
-				FunctionTkn: &token.Token{
-					ID:    token.T_FUNCTION,
-					Value: []byte("function"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    11,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_OPEN_TAG,
-							Value: []byte("<?"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  0,
-								EndPos:    2,
-							},
-						},
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  2,
-								EndPos:    3,
-							},
-						},
-					},
-				},
-				Name: &ast.Identifier{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  12,
-						EndPos:    15,
-					},
-					IdentifierTkn: &token.Token{
-						ID:    token.T_STRING,
-						Value: []byte("foo"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  12,
-							EndPos:    15,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  11,
-									EndPos:    12,
-								},
-							},
-						},
-					},
-					Value: []byte("foo"),
-				},
-				OpenParenthesisTkn: &token.Token{
-					ID:    token.ID(40),
-					Value: []byte("("),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  15,
-						EndPos:    16,
-					},
-				},
-				CloseParenthesisTkn: &token.Token{
-					ID:    token.ID(41),
-					Value: []byte(")"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  16,
-						EndPos:    17,
-					},
-				},
-				OpenCurlyBracketTkn: &token.Token{
-					ID:    token.ID(123),
-					Value: []byte("{"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  18,
-						EndPos:    19,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  17,
-								EndPos:    18,
-							},
-						},
-					},
-				},
-				Stmts: []ast.Vertex{},
-				CloseCurlyBracketTkn: &token.Token{
-					ID:    token.ID(125),
-					Value: []byte("}"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  19,
-						EndPos:    20,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestStmtFunction_Return(t *testing.T) {
-	src := `<? function foo() {return;}`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    27,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtFunction{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    27,
-				},
-				FunctionTkn: &token.Token{
-					ID:    token.T_FUNCTION,
-					Value: []byte("function"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    11,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_OPEN_TAG,
-							Value: []byte("<?"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  0,
-								EndPos:    2,
-							},
-						},
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  2,
-								EndPos:    3,
-							},
-						},
-					},
-				},
-				Name: &ast.Identifier{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  12,
-						EndPos:    15,
-					},
-					IdentifierTkn: &token.Token{
-						ID:    token.T_STRING,
-						Value: []byte("foo"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  12,
-							EndPos:    15,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  11,
-									EndPos:    12,
-								},
-							},
-						},
-					},
-					Value: []byte("foo"),
-				},
-				OpenParenthesisTkn: &token.Token{
-					ID:    token.ID(40),
-					Value: []byte("("),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  15,
-						EndPos:    16,
-					},
-				},
-				CloseParenthesisTkn: &token.Token{
-					ID:    token.ID(41),
-					Value: []byte(")"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  16,
-						EndPos:    17,
-					},
-				},
-				OpenCurlyBracketTkn: &token.Token{
-					ID:    token.ID(123),
-					Value: []byte("{"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  18,
-						EndPos:    19,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  17,
-								EndPos:    18,
-							},
-						},
-					},
-				},
-				Stmts: []ast.Vertex{
-					&ast.StmtReturn{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  19,
-							EndPos:    26,
-						},
-						ReturnTkn: &token.Token{
-							ID:    token.T_RETURN,
-							Value: []byte("return"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  19,
-								EndPos:    25,
-							},
-						},
-						SemiColonTkn: &token.Token{
-							ID:    token.ID(59),
-							Value: []byte(";"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  25,
-								EndPos:    26,
-							},
-						},
-					},
-				},
-				CloseCurlyBracketTkn: &token.Token{
-					ID:    token.ID(125),
-					Value: []byte("}"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  26,
-						EndPos:    27,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestStmtFunction_ReturnVar(t *testing.T) {
-	src := `<? function foo(array $a, callable $b) {return $a;}`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    51,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtFunction{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    51,
-				},
-				FunctionTkn: &token.Token{
-					ID:    token.T_FUNCTION,
-					Value: []byte("function"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    11,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_OPEN_TAG,
-							Value: []byte("<?"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  0,
-								EndPos:    2,
-							},
-						},
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  2,
-								EndPos:    3,
-							},
-						},
-					},
-				},
-				Name: &ast.Identifier{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  12,
-						EndPos:    15,
-					},
-					IdentifierTkn: &token.Token{
-						ID:    token.T_STRING,
-						Value: []byte("foo"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  12,
-							EndPos:    15,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  11,
-									EndPos:    12,
-								},
-							},
-						},
-					},
-					Value: []byte("foo"),
-				},
-				OpenParenthesisTkn: &token.Token{
-					ID:    token.ID(40),
-					Value: []byte("("),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  15,
-						EndPos:    16,
-					},
-				},
-				Params: []ast.Vertex{
-					&ast.Parameter{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  16,
-							EndPos:    24,
-						},
-						Type: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  16,
-								EndPos:    21,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_ARRAY,
-								Value: []byte("array"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  16,
-									EndPos:    21,
-								},
-							},
-							Value: []byte("array"),
-						},
-						Var: &ast.ExprVariable{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  22,
-								EndPos:    24,
-							},
-							Name: &ast.Identifier{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  22,
-									EndPos:    24,
-								},
-								IdentifierTkn: &token.Token{
-									ID:    token.T_VARIABLE,
-									Value: []byte("$a"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  22,
-										EndPos:    24,
-									},
-									FreeFloating: []*token.Token{
-										{
-											ID:    token.T_WHITESPACE,
-											Value: []byte(" "),
-											Position: &position.Position{
-												StartLine: 1,
-												EndLine:   1,
-												StartPos:  21,
-												EndPos:    22,
-											},
-										},
-									},
-								},
-								Value: []byte("$a"),
-							},
-						},
-					},
-					&ast.Parameter{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  26,
-							EndPos:    37,
-						},
-						Type: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  26,
-								EndPos:    34,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_CALLABLE,
-								Value: []byte("callable"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  26,
-									EndPos:    34,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  25,
-											EndPos:    26,
-										},
-									},
-								},
-							},
-							Value: []byte("callable"),
-						},
-						Var: &ast.ExprVariable{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  35,
-								EndPos:    37,
-							},
-							Name: &ast.Identifier{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  35,
-									EndPos:    37,
-								},
-								IdentifierTkn: &token.Token{
-									ID:    token.T_VARIABLE,
-									Value: []byte("$b"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  35,
-										EndPos:    37,
-									},
-									FreeFloating: []*token.Token{
-										{
-											ID:    token.T_WHITESPACE,
-											Value: []byte(" "),
-											Position: &position.Position{
-												StartLine: 1,
-												EndLine:   1,
-												StartPos:  34,
-												EndPos:    35,
-											},
-										},
-									},
-								},
-								Value: []byte("$b"),
-							},
-						},
-					},
-				},
-				SeparatorTkns: []*token.Token{
-					{
-						ID:    token.ID(44),
-						Value: []byte(","),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  24,
-							EndPos:    25,
-						},
-					},
-				},
-				CloseParenthesisTkn: &token.Token{
-					ID:    token.ID(41),
-					Value: []byte(")"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  37,
-						EndPos:    38,
-					},
-				},
-				OpenCurlyBracketTkn: &token.Token{
-					ID:    token.ID(123),
-					Value: []byte("{"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  39,
-						EndPos:    40,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  38,
-								EndPos:    39,
-							},
-						},
-					},
-				},
-				Stmts: []ast.Vertex{
-					&ast.StmtReturn{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  40,
-							EndPos:    50,
-						},
-						ReturnTkn: &token.Token{
-							ID:    token.T_RETURN,
-							Value: []byte("return"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  40,
-								EndPos:    46,
-							},
-						},
-						Expr: &ast.ExprVariable{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  47,
-								EndPos:    49,
-							},
-							Name: &ast.Identifier{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  47,
-									EndPos:    49,
-								},
-								IdentifierTkn: &token.Token{
-									ID:    token.T_VARIABLE,
-									Value: []byte("$a"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  47,
-										EndPos:    49,
-									},
-									FreeFloating: []*token.Token{
-										{
-											ID:    token.T_WHITESPACE,
-											Value: []byte(" "),
-											Position: &position.Position{
-												StartLine: 1,
-												EndLine:   1,
-												StartPos:  46,
-												EndPos:    47,
-											},
-										},
-									},
-								},
-								Value: []byte("$a"),
-							},
-						},
-						SemiColonTkn: &token.Token{
-							ID:    token.ID(59),
-							Value: []byte(";"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  49,
-								EndPos:    50,
-							},
-						},
-					},
-				},
-				CloseCurlyBracketTkn: &token.Token{
-					ID:    token.ID(125),
-					Value: []byte("}"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  50,
-						EndPos:    51,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestStmtFunction_Ref(t *testing.T) {
-	src := `<? function &foo() {return 1;}`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    30,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtFunction{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    30,
-				},
-				FunctionTkn: &token.Token{
-					ID:    token.T_FUNCTION,
-					Value: []byte("function"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    11,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_OPEN_TAG,
-							Value: []byte("<?"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  0,
-								EndPos:    2,
-							},
-						},
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  2,
-								EndPos:    3,
-							},
-						},
-					},
-				},
-				AmpersandTkn: &token.Token{
-					ID:    token.ID(38),
-					Value: []byte("&"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  12,
-						EndPos:    13,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  11,
-								EndPos:    12,
-							},
-						},
-					},
-				},
-				Name: &ast.Identifier{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  13,
-						EndPos:    16,
-					},
-					IdentifierTkn: &token.Token{
-						ID:    token.T_STRING,
-						Value: []byte("foo"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  13,
-							EndPos:    16,
-						},
-					},
-					Value: []byte("foo"),
-				},
-				OpenParenthesisTkn: &token.Token{
-					ID:    token.ID(40),
-					Value: []byte("("),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  16,
-						EndPos:    17,
-					},
-				},
-				CloseParenthesisTkn: &token.Token{
-					ID:    token.ID(41),
-					Value: []byte(")"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  17,
-						EndPos:    18,
-					},
-				},
-				OpenCurlyBracketTkn: &token.Token{
-					ID:    token.ID(123),
-					Value: []byte("{"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  19,
-						EndPos:    20,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  18,
-								EndPos:    19,
-							},
-						},
-					},
-				},
-				Stmts: []ast.Vertex{
-					&ast.StmtReturn{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  20,
-							EndPos:    29,
-						},
-						ReturnTkn: &token.Token{
-							ID:    token.T_RETURN,
-							Value: []byte("return"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  20,
-								EndPos:    26,
-							},
-						},
-						Expr: &ast.ScalarLnumber{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  27,
-								EndPos:    28,
-							},
-							NumberTkn: &token.Token{
-								ID:    token.T_LNUMBER,
-								Value: []byte("1"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  27,
-									EndPos:    28,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  26,
-											EndPos:    27,
-										},
-									},
-								},
-							},
-							Value: []byte("1"),
-						},
-						SemiColonTkn: &token.Token{
-							ID:    token.ID(59),
-							Value: []byte(";"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  28,
-								EndPos:    29,
-							},
-						},
-					},
-				},
-				CloseCurlyBracketTkn: &token.Token{
-					ID:    token.ID(125),
-					Value: []byte("}"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  29,
-						EndPos:    30,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestStmtGlobal(t *testing.T) {
-	src := `<? global $a;`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    13,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtGlobal{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    13,
-				},
-				GlobalTkn: &token.Token{
-					ID:    token.T_GLOBAL,
-					Value: []byte("global"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    9,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_OPEN_TAG,
-							Value: []byte("<?"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  0,
-								EndPos:    2,
-							},
-						},
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  2,
-								EndPos:    3,
-							},
-						},
-					},
-				},
-				Vars: []ast.Vertex{
-					&ast.ExprVariable{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  10,
-							EndPos:    12,
-						},
-						Name: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  10,
-								EndPos:    12,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_VARIABLE,
-								Value: []byte("$a"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  10,
-									EndPos:    12,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  9,
-											EndPos:    10,
-										},
-									},
-								},
-							},
-							Value: []byte("$a"),
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  12,
-						EndPos:    13,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestStmtGlobal_Vars(t *testing.T) {
-	src := `<? global $a, $b, $$c, ${foo()};`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    32,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtGlobal{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    32,
-				},
-				GlobalTkn: &token.Token{
-					ID:    token.T_GLOBAL,
-					Value: []byte("global"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    9,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_OPEN_TAG,
-							Value: []byte("<?"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  0,
-								EndPos:    2,
-							},
-						},
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  2,
-								EndPos:    3,
-							},
-						},
-					},
-				},
-				Vars: []ast.Vertex{
-					&ast.ExprVariable{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  10,
-							EndPos:    12,
-						},
-						Name: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  10,
-								EndPos:    12,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_VARIABLE,
-								Value: []byte("$a"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  10,
-									EndPos:    12,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  9,
-											EndPos:    10,
-										},
-									},
-								},
-							},
-							Value: []byte("$a"),
-						},
-					},
-					&ast.ExprVariable{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  14,
-							EndPos:    16,
-						},
-						Name: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  14,
-								EndPos:    16,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_VARIABLE,
-								Value: []byte("$b"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  14,
-									EndPos:    16,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  13,
-											EndPos:    14,
-										},
-									},
-								},
-							},
-							Value: []byte("$b"),
-						},
-					},
-					&ast.ExprVariable{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  18,
-							EndPos:    21,
-						},
-						DollarTkn: &token.Token{
-							ID:    token.ID(36),
-							Value: []byte("$"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  18,
-								EndPos:    19,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  17,
-										EndPos:    18,
-									},
-								},
-							},
-						},
-						Name: &ast.ExprVariable{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  19,
-								EndPos:    21,
-							},
-							Name: &ast.Identifier{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  19,
-									EndPos:    21,
-								},
-								IdentifierTkn: &token.Token{
-									ID:    token.T_VARIABLE,
-									Value: []byte("$c"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  19,
-										EndPos:    21,
-									},
-								},
-								Value: []byte("$c"),
-							},
-						},
-					},
-					&ast.ExprVariable{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  23,
-							EndPos:    31,
-						},
-						DollarTkn: &token.Token{
-							ID:    token.ID(36),
-							Value: []byte("$"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  23,
-								EndPos:    24,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  22,
-										EndPos:    23,
-									},
-								},
-							},
-						},
-						OpenCurlyBracketTkn: &token.Token{
-							ID:    token.ID(123),
-							Value: []byte("{"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  24,
-								EndPos:    25,
-							},
-						},
-						Name: &ast.ExprFunctionCall{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  25,
-								EndPos:    30,
-							},
-							Function: &ast.Name{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  25,
-									EndPos:    28,
-								},
-								Parts: []ast.Vertex{
-									&ast.NamePart{
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  25,
-											EndPos:    28,
-										},
-										StringTkn: &token.Token{
-											ID:    token.T_STRING,
-											Value: []byte("foo"),
-											Position: &position.Position{
-												StartLine: 1,
-												EndLine:   1,
-												StartPos:  25,
-												EndPos:    28,
-											},
-										},
-										Value: []byte("foo"),
-									},
-								},
-							},
-							OpenParenthesisTkn: &token.Token{
-								ID:    token.ID(40),
-								Value: []byte("("),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  28,
-									EndPos:    29,
-								},
-							},
-							CloseParenthesisTkn: &token.Token{
-								ID:    token.ID(41),
-								Value: []byte(")"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  29,
-									EndPos:    30,
-								},
-							},
-						},
-						CloseCurlyBracketTkn: &token.Token{
-							ID:    token.ID(125),
-							Value: []byte("}"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  30,
-								EndPos:    31,
-							},
-						},
-					},
-				},
-				SeparatorTkns: []*token.Token{
-					{
-						ID:    token.ID(44),
-						Value: []byte(","),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  12,
-							EndPos:    13,
-						},
-					},
-					{
-						ID:    token.ID(44),
-						Value: []byte(","),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  16,
-							EndPos:    17,
-						},
-					},
-					{
-						ID:    token.ID(44),
-						Value: []byte(","),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  21,
-							EndPos:    22,
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  31,
-						EndPos:    32,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestStmtGotoLabel(t *testing.T) {
-	src := `<? a: goto a;`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    13,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtLabel{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    5,
-				},
-				Name: &ast.Identifier{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    4,
-					},
-					IdentifierTkn: &token.Token{
-						ID:    token.T_STRING,
-						Value: []byte("a"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    4,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_OPEN_TAG,
-								Value: []byte("<?"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  0,
-									EndPos:    2,
-								},
-							},
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  2,
-									EndPos:    3,
-								},
-							},
-						},
-					},
-					Value: []byte("a"),
-				},
-				ColonTkn: &token.Token{
-					ID:    token.ID(58),
-					Value: []byte(":"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  4,
-						EndPos:    5,
-					},
-				},
-			},
-			&ast.StmtGoto{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  6,
-					EndPos:    13,
-				},
-				GotoTkn: &token.Token{
-					ID:    token.T_GOTO,
-					Value: []byte("goto"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  6,
-						EndPos:    10,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  5,
-								EndPos:    6,
-							},
-						},
-					},
-				},
-				Label: &ast.Identifier{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  6,
-						EndPos:    10,
-					},
-					IdentifierTkn: &token.Token{
-						ID:    token.T_STRING,
-						Value: []byte("a"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  11,
-							EndPos:    12,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  10,
-									EndPos:    11,
-								},
-							},
-						},
-					},
-					Value: []byte("a"),
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  12,
-						EndPos:    13,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestStmtHaltCompiler(t *testing.T) {
-	src := `<? __halt_compiler();`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    21,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtHaltCompiler{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    21,
-				},
-				HaltCompilerTkn: &token.Token{
-					ID:    token.T_HALT_COMPILER,
-					Value: []byte("__halt_compiler"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    18,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_OPEN_TAG,
-							Value: []byte("<?"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  0,
-								EndPos:    2,
-							},
-						},
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  2,
-								EndPos:    3,
-							},
-						},
-					},
-				},
-				OpenParenthesisTkn: &token.Token{
-					ID:    token.ID(40),
-					Value: []byte("("),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  18,
-						EndPos:    19,
-					},
-				},
-				CloseParenthesisTkn: &token.Token{
-					ID:    token.ID(41),
-					Value: []byte(")"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  19,
-						EndPos:    20,
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  20,
-						EndPos:    21,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestStmtIf(t *testing.T) {
-	src := `<? if ($a) {}`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    13,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtIf{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    13,
-				},
-				IfTkn: &token.Token{
-					ID:    token.T_IF,
-					Value: []byte("if"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    5,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_OPEN_TAG,
-							Value: []byte("<?"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  0,
-								EndPos:    2,
-							},
-						},
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  2,
-								EndPos:    3,
-							},
-						},
-					},
-				},
-				OpenParenthesisTkn: &token.Token{
-					ID:    token.ID(40),
-					Value: []byte("("),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  6,
-						EndPos:    7,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  5,
-								EndPos:    6,
-							},
-						},
-					},
-				},
-				Cond: &ast.ExprVariable{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  7,
-						EndPos:    9,
-					},
-					Name: &ast.Identifier{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  7,
-							EndPos:    9,
-						},
-						IdentifierTkn: &token.Token{
-							ID:    token.T_VARIABLE,
-							Value: []byte("$a"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  7,
-								EndPos:    9,
-							},
-						},
-						Value: []byte("$a"),
-					},
-				},
-				CloseParenthesisTkn: &token.Token{
-					ID:    token.ID(41),
-					Value: []byte(")"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  9,
-						EndPos:    10,
-					},
-				},
-				Stmt: &ast.StmtStmtList{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  11,
-						EndPos:    13,
-					},
-					OpenCurlyBracketTkn: &token.Token{
-						ID:    token.ID(123),
-						Value: []byte("{"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  11,
-							EndPos:    12,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  10,
-									EndPos:    11,
-								},
-							},
-						},
-					},
-					Stmts: []ast.Vertex{},
-					CloseCurlyBracketTkn: &token.Token{
-						ID:    token.ID(125),
-						Value: []byte("}"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  12,
-							EndPos:    13,
-						},
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestStmtIf_ElseIf(t *testing.T) {
-	src := `<? if ($a) {} elseif ($b) {}`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    28,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtIf{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    28,
-				},
-				IfTkn: &token.Token{
-					ID:    token.T_IF,
-					Value: []byte("if"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    5,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_OPEN_TAG,
-							Value: []byte("<?"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  0,
-								EndPos:    2,
-							},
-						},
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  2,
-								EndPos:    3,
-							},
-						},
-					},
-				},
-				OpenParenthesisTkn: &token.Token{
-					ID:    token.ID(40),
-					Value: []byte("("),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  6,
-						EndPos:    7,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  5,
-								EndPos:    6,
-							},
-						},
-					},
-				},
-				Cond: &ast.ExprVariable{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  7,
-						EndPos:    9,
-					},
-					Name: &ast.Identifier{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  7,
-							EndPos:    9,
-						},
-						IdentifierTkn: &token.Token{
-							ID:    token.T_VARIABLE,
-							Value: []byte("$a"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  7,
-								EndPos:    9,
-							},
-						},
-						Value: []byte("$a"),
-					},
-				},
-				CloseParenthesisTkn: &token.Token{
-					ID:    token.ID(41),
-					Value: []byte(")"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  9,
-						EndPos:    10,
-					},
-				},
-				Stmt: &ast.StmtStmtList{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  11,
-						EndPos:    13,
-					},
-					OpenCurlyBracketTkn: &token.Token{
-						ID:    token.ID(123),
-						Value: []byte("{"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  11,
-							EndPos:    12,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  10,
-									EndPos:    11,
-								},
-							},
-						},
-					},
-					Stmts: []ast.Vertex{},
-					CloseCurlyBracketTkn: &token.Token{
-						ID:    token.ID(125),
-						Value: []byte("}"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  12,
-							EndPos:    13,
-						},
-					},
-				},
-				ElseIf: []ast.Vertex{
-					&ast.StmtElseIf{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  14,
-							EndPos:    28,
-						},
-						ElseIfTkn: &token.Token{
-							ID:    token.T_ELSEIF,
-							Value: []byte("elseif"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  14,
-								EndPos:    20,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  13,
-										EndPos:    14,
-									},
-								},
-							},
-						},
-						OpenParenthesisTkn: &token.Token{
-							ID:    token.ID(40),
-							Value: []byte("("),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  21,
-								EndPos:    22,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  20,
-										EndPos:    21,
-									},
-								},
-							},
-						},
-						Cond: &ast.ExprVariable{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  22,
-								EndPos:    24,
-							},
-							Name: &ast.Identifier{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  22,
-									EndPos:    24,
-								},
-								IdentifierTkn: &token.Token{
-									ID:    token.T_VARIABLE,
-									Value: []byte("$b"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  22,
-										EndPos:    24,
-									},
-								},
-								Value: []byte("$b"),
-							},
-						},
-						CloseParenthesisTkn: &token.Token{
-							ID:    token.ID(41),
-							Value: []byte(")"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  24,
-								EndPos:    25,
-							},
-						},
-						Stmt: &ast.StmtStmtList{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  26,
-								EndPos:    28,
-							},
-							OpenCurlyBracketTkn: &token.Token{
-								ID:    token.ID(123),
-								Value: []byte("{"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  26,
-									EndPos:    27,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  25,
-											EndPos:    26,
-										},
-									},
-								},
-							},
-							Stmts: []ast.Vertex{},
-							CloseCurlyBracketTkn: &token.Token{
-								ID:    token.ID(125),
-								Value: []byte("}"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  27,
-									EndPos:    28,
-								},
-							},
-						},
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestStmtIf_Else(t *testing.T) {
-	src := `<? if ($a) {} else {}`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    21,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtIf{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    21,
-				},
-				IfTkn: &token.Token{
-					ID:    token.T_IF,
-					Value: []byte("if"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    5,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_OPEN_TAG,
-							Value: []byte("<?"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  0,
-								EndPos:    2,
-							},
-						},
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  2,
-								EndPos:    3,
-							},
-						},
-					},
-				},
-				OpenParenthesisTkn: &token.Token{
-					ID:    token.ID(40),
-					Value: []byte("("),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  6,
-						EndPos:    7,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  5,
-								EndPos:    6,
-							},
-						},
-					},
-				},
-				Cond: &ast.ExprVariable{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  7,
-						EndPos:    9,
-					},
-					Name: &ast.Identifier{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  7,
-							EndPos:    9,
-						},
-						IdentifierTkn: &token.Token{
-							ID:    token.T_VARIABLE,
-							Value: []byte("$a"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  7,
-								EndPos:    9,
-							},
-						},
-						Value: []byte("$a"),
-					},
-				},
-				CloseParenthesisTkn: &token.Token{
-					ID:    token.ID(41),
-					Value: []byte(")"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  9,
-						EndPos:    10,
-					},
-				},
-				Stmt: &ast.StmtStmtList{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  11,
-						EndPos:    13,
-					},
-					OpenCurlyBracketTkn: &token.Token{
-						ID:    token.ID(123),
-						Value: []byte("{"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  11,
-							EndPos:    12,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  10,
-									EndPos:    11,
-								},
-							},
-						},
-					},
-					Stmts: []ast.Vertex{},
-					CloseCurlyBracketTkn: &token.Token{
-						ID:    token.ID(125),
-						Value: []byte("}"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  12,
-							EndPos:    13,
-						},
-					},
-				},
-				Else: &ast.StmtElse{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  14,
-						EndPos:    21,
-					},
-					ElseTkn: &token.Token{
-						ID:    token.T_ELSE,
-						Value: []byte("else"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  14,
-							EndPos:    18,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  13,
-									EndPos:    14,
-								},
-							},
-						},
-					},
-					Stmt: &ast.StmtStmtList{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  19,
-							EndPos:    21,
-						},
-						OpenCurlyBracketTkn: &token.Token{
-							ID:    token.ID(123),
-							Value: []byte("{"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  19,
-								EndPos:    20,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  18,
-										EndPos:    19,
-									},
-								},
-							},
-						},
-						Stmts: []ast.Vertex{},
-						CloseCurlyBracketTkn: &token.Token{
-							ID:    token.ID(125),
-							Value: []byte("}"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  20,
-								EndPos:    21,
-							},
-						},
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestStmtIf_ElseElseIf(t *testing.T) {
-	src := `<? if ($a) {} elseif ($b) {} elseif ($c) {} else {}`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    51,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtIf{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    51,
-				},
-				IfTkn: &token.Token{
-					ID:    token.T_IF,
-					Value: []byte("if"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    5,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_OPEN_TAG,
-							Value: []byte("<?"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  0,
-								EndPos:    2,
-							},
-						},
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  2,
-								EndPos:    3,
-							},
-						},
-					},
-				},
-				OpenParenthesisTkn: &token.Token{
-					ID:    token.ID(40),
-					Value: []byte("("),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  6,
-						EndPos:    7,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  5,
-								EndPos:    6,
-							},
-						},
-					},
-				},
-				Cond: &ast.ExprVariable{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  7,
-						EndPos:    9,
-					},
-					Name: &ast.Identifier{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  7,
-							EndPos:    9,
-						},
-						IdentifierTkn: &token.Token{
-							ID:    token.T_VARIABLE,
-							Value: []byte("$a"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  7,
-								EndPos:    9,
-							},
-						},
-						Value: []byte("$a"),
-					},
-				},
-				CloseParenthesisTkn: &token.Token{
-					ID:    token.ID(41),
-					Value: []byte(")"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  9,
-						EndPos:    10,
-					},
-				},
-				Stmt: &ast.StmtStmtList{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  11,
-						EndPos:    13,
-					},
-					OpenCurlyBracketTkn: &token.Token{
-						ID:    token.ID(123),
-						Value: []byte("{"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  11,
-							EndPos:    12,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  10,
-									EndPos:    11,
-								},
-							},
-						},
-					},
-					Stmts: []ast.Vertex{},
-					CloseCurlyBracketTkn: &token.Token{
-						ID:    token.ID(125),
-						Value: []byte("}"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  12,
-							EndPos:    13,
-						},
-					},
-				},
-				ElseIf: []ast.Vertex{
-					&ast.StmtElseIf{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  14,
-							EndPos:    28,
-						},
-						ElseIfTkn: &token.Token{
-							ID:    token.T_ELSEIF,
-							Value: []byte("elseif"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  14,
-								EndPos:    20,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  13,
-										EndPos:    14,
-									},
-								},
-							},
-						},
-						OpenParenthesisTkn: &token.Token{
-							ID:    token.ID(40),
-							Value: []byte("("),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  21,
-								EndPos:    22,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  20,
-										EndPos:    21,
-									},
-								},
-							},
-						},
-						Cond: &ast.ExprVariable{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  22,
-								EndPos:    24,
-							},
-							Name: &ast.Identifier{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  22,
-									EndPos:    24,
-								},
-								IdentifierTkn: &token.Token{
-									ID:    token.T_VARIABLE,
-									Value: []byte("$b"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  22,
-										EndPos:    24,
-									},
-								},
-								Value: []byte("$b"),
-							},
-						},
-						CloseParenthesisTkn: &token.Token{
-							ID:    token.ID(41),
-							Value: []byte(")"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  24,
-								EndPos:    25,
-							},
-						},
-						Stmt: &ast.StmtStmtList{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  26,
-								EndPos:    28,
-							},
-							OpenCurlyBracketTkn: &token.Token{
-								ID:    token.ID(123),
-								Value: []byte("{"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  26,
-									EndPos:    27,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  25,
-											EndPos:    26,
-										},
-									},
-								},
-							},
-							Stmts: []ast.Vertex{},
-							CloseCurlyBracketTkn: &token.Token{
-								ID:    token.ID(125),
-								Value: []byte("}"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  27,
-									EndPos:    28,
-								},
-							},
-						},
-					},
-					&ast.StmtElseIf{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  29,
-							EndPos:    43,
-						},
-						ElseIfTkn: &token.Token{
-							ID:    token.T_ELSEIF,
-							Value: []byte("elseif"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  29,
-								EndPos:    35,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  28,
-										EndPos:    29,
-									},
-								},
-							},
-						},
-						OpenParenthesisTkn: &token.Token{
-							ID:    token.ID(40),
-							Value: []byte("("),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  36,
-								EndPos:    37,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  35,
-										EndPos:    36,
-									},
-								},
-							},
-						},
-						Cond: &ast.ExprVariable{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  37,
-								EndPos:    39,
-							},
-							Name: &ast.Identifier{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  37,
-									EndPos:    39,
-								},
-								IdentifierTkn: &token.Token{
-									ID:    token.T_VARIABLE,
-									Value: []byte("$c"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  37,
-										EndPos:    39,
-									},
-								},
-								Value: []byte("$c"),
-							},
-						},
-						CloseParenthesisTkn: &token.Token{
-							ID:    token.ID(41),
-							Value: []byte(")"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  39,
-								EndPos:    40,
-							},
-						},
-						Stmt: &ast.StmtStmtList{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  41,
-								EndPos:    43,
-							},
-							OpenCurlyBracketTkn: &token.Token{
-								ID:    token.ID(123),
-								Value: []byte("{"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  41,
-									EndPos:    42,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  40,
-											EndPos:    41,
-										},
-									},
-								},
-							},
-							Stmts: []ast.Vertex{},
-							CloseCurlyBracketTkn: &token.Token{
-								ID:    token.ID(125),
-								Value: []byte("}"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  42,
-									EndPos:    43,
-								},
-							},
-						},
-					},
-				},
-				Else: &ast.StmtElse{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  44,
-						EndPos:    51,
-					},
-					ElseTkn: &token.Token{
-						ID:    token.T_ELSE,
-						Value: []byte("else"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  44,
-							EndPos:    48,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  43,
-									EndPos:    44,
-								},
-							},
-						},
-					},
-					Stmt: &ast.StmtStmtList{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  49,
-							EndPos:    51,
-						},
-						OpenCurlyBracketTkn: &token.Token{
-							ID:    token.ID(123),
-							Value: []byte("{"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  49,
-								EndPos:    50,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  48,
-										EndPos:    49,
-									},
-								},
-							},
-						},
-						Stmts: []ast.Vertex{},
-						CloseCurlyBracketTkn: &token.Token{
-							ID:    token.ID(125),
-							Value: []byte("}"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  50,
-								EndPos:    51,
-							},
-						},
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestStmtIf_ElseIfElseIfElse(t *testing.T) {
-	src := `<? if ($a) {} elseif ($b) {} else if ($c) {} else {}`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    52,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtIf{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    52,
-				},
-				IfTkn: &token.Token{
-					ID:    token.T_IF,
-					Value: []byte("if"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    5,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_OPEN_TAG,
-							Value: []byte("<?"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  0,
-								EndPos:    2,
-							},
-						},
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  2,
-								EndPos:    3,
-							},
-						},
-					},
-				},
-				OpenParenthesisTkn: &token.Token{
-					ID:    token.ID(40),
-					Value: []byte("("),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  6,
-						EndPos:    7,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  5,
-								EndPos:    6,
-							},
-						},
-					},
-				},
-				Cond: &ast.ExprVariable{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  7,
-						EndPos:    9,
-					},
-					Name: &ast.Identifier{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  7,
-							EndPos:    9,
-						},
-						IdentifierTkn: &token.Token{
-							ID:    token.T_VARIABLE,
-							Value: []byte("$a"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  7,
-								EndPos:    9,
-							},
-						},
-						Value: []byte("$a"),
-					},
-				},
-				CloseParenthesisTkn: &token.Token{
-					ID:    token.ID(41),
-					Value: []byte(")"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  9,
-						EndPos:    10,
-					},
-				},
-				Stmt: &ast.StmtStmtList{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  11,
-						EndPos:    13,
-					},
-					OpenCurlyBracketTkn: &token.Token{
-						ID:    token.ID(123),
-						Value: []byte("{"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  11,
-							EndPos:    12,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  10,
-									EndPos:    11,
-								},
-							},
-						},
-					},
-					Stmts: []ast.Vertex{},
-					CloseCurlyBracketTkn: &token.Token{
-						ID:    token.ID(125),
-						Value: []byte("}"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  12,
-							EndPos:    13,
-						},
-					},
-				},
-				ElseIf: []ast.Vertex{
-					&ast.StmtElseIf{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  14,
-							EndPos:    28,
-						},
-						ElseIfTkn: &token.Token{
-							ID:    token.T_ELSEIF,
-							Value: []byte("elseif"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  14,
-								EndPos:    20,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  13,
-										EndPos:    14,
-									},
-								},
-							},
-						},
-						OpenParenthesisTkn: &token.Token{
-							ID:    token.ID(40),
-							Value: []byte("("),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  21,
-								EndPos:    22,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  20,
-										EndPos:    21,
-									},
-								},
-							},
-						},
-						Cond: &ast.ExprVariable{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  22,
-								EndPos:    24,
-							},
-							Name: &ast.Identifier{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  22,
-									EndPos:    24,
-								},
-								IdentifierTkn: &token.Token{
-									ID:    token.T_VARIABLE,
-									Value: []byte("$b"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  22,
-										EndPos:    24,
-									},
-								},
-								Value: []byte("$b"),
-							},
-						},
-						CloseParenthesisTkn: &token.Token{
-							ID:    token.ID(41),
-							Value: []byte(")"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  24,
-								EndPos:    25,
-							},
-						},
-						Stmt: &ast.StmtStmtList{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  26,
-								EndPos:    28,
-							},
-							OpenCurlyBracketTkn: &token.Token{
-								ID:    token.ID(123),
-								Value: []byte("{"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  26,
-									EndPos:    27,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  25,
-											EndPos:    26,
-										},
-									},
-								},
-							},
-							Stmts: []ast.Vertex{},
-							CloseCurlyBracketTkn: &token.Token{
-								ID:    token.ID(125),
-								Value: []byte("}"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  27,
-									EndPos:    28,
-								},
-							},
-						},
-					},
-				},
-				Else: &ast.StmtElse{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  29,
-						EndPos:    52,
-					},
-					ElseTkn: &token.Token{
-						ID:    token.T_ELSE,
-						Value: []byte("else"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  29,
-							EndPos:    33,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  28,
-									EndPos:    29,
-								},
-							},
-						},
-					},
-					Stmt: &ast.StmtIf{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  34,
-							EndPos:    52,
-						},
-						IfTkn: &token.Token{
-							ID:    token.T_IF,
-							Value: []byte("if"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  34,
-								EndPos:    36,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  33,
-										EndPos:    34,
-									},
-								},
-							},
-						},
-						OpenParenthesisTkn: &token.Token{
-							ID:    token.ID(40),
-							Value: []byte("("),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  37,
-								EndPos:    38,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  36,
-										EndPos:    37,
-									},
-								},
-							},
-						},
-						Cond: &ast.ExprVariable{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  38,
-								EndPos:    40,
-							},
-							Name: &ast.Identifier{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  38,
-									EndPos:    40,
-								},
-								IdentifierTkn: &token.Token{
-									ID:    token.T_VARIABLE,
-									Value: []byte("$c"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  38,
-										EndPos:    40,
-									},
-								},
-								Value: []byte("$c"),
-							},
-						},
-						CloseParenthesisTkn: &token.Token{
-							ID:    token.ID(41),
-							Value: []byte(")"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  40,
-								EndPos:    41,
-							},
-						},
-						Stmt: &ast.StmtStmtList{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  42,
-								EndPos:    44,
-							},
-							OpenCurlyBracketTkn: &token.Token{
-								ID:    token.ID(123),
-								Value: []byte("{"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  42,
-									EndPos:    43,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  41,
-											EndPos:    42,
-										},
-									},
-								},
-							},
-							Stmts: []ast.Vertex{},
-							CloseCurlyBracketTkn: &token.Token{
-								ID:    token.ID(125),
-								Value: []byte("}"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  43,
-									EndPos:    44,
-								},
-							},
-						},
-						Else: &ast.StmtElse{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  45,
-								EndPos:    52,
-							},
-							ElseTkn: &token.Token{
-								ID:    token.T_ELSE,
-								Value: []byte("else"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  45,
-									EndPos:    49,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  44,
-											EndPos:    45,
-										},
-									},
-								},
-							},
-							Stmt: &ast.StmtStmtList{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  50,
-									EndPos:    52,
-								},
-								OpenCurlyBracketTkn: &token.Token{
-									ID:    token.ID(123),
-									Value: []byte("{"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  50,
-										EndPos:    51,
-									},
-									FreeFloating: []*token.Token{
-										{
-											ID:    token.T_WHITESPACE,
-											Value: []byte(" "),
-											Position: &position.Position{
-												StartLine: 1,
-												EndLine:   1,
-												StartPos:  49,
-												EndPos:    50,
-											},
-										},
-									},
-								},
-								Stmts: []ast.Vertex{},
-								CloseCurlyBracketTkn: &token.Token{
-									ID:    token.ID(125),
-									Value: []byte("}"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  51,
-										EndPos:    52,
-									},
-								},
-							},
-						},
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestStmtInlineHtml(t *testing.T) {
-	src := `<? ?> <div></div>`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    17,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtNop{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    5,
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte("?>"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    5,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_OPEN_TAG,
-							Value: []byte("<?"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  0,
-								EndPos:    2,
-							},
-						},
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  2,
-								EndPos:    3,
-							},
-						},
-					},
-				},
-			},
-			&ast.StmtInlineHtml{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  5,
-					EndPos:    17,
-				},
-				InlineHtmlTkn: &token.Token{
-					ID:    token.T_INLINE_HTML,
-					Value: []byte(" <div></div>"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  5,
-						EndPos:    17,
-					},
-				},
-				Value: []byte(" <div></div>"),
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestStmtInterface(t *testing.T) {
-	src := `<? interface Foo {}`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    19,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtInterface{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    19,
-				},
-				InterfaceTkn: &token.Token{
-					ID:    token.T_INTERFACE,
-					Value: []byte("interface"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    12,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_OPEN_TAG,
-							Value: []byte("<?"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  0,
-								EndPos:    2,
-							},
-						},
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  2,
-								EndPos:    3,
-							},
-						},
-					},
-				},
-				Name: &ast.Identifier{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  13,
-						EndPos:    16,
-					},
-					IdentifierTkn: &token.Token{
-						ID:    token.T_STRING,
-						Value: []byte("Foo"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  13,
-							EndPos:    16,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  12,
-									EndPos:    13,
-								},
-							},
-						},
-					},
-					Value: []byte("Foo"),
-				},
-				OpenCurlyBracketTkn: &token.Token{
-					ID:    token.ID(123),
-					Value: []byte("{"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  17,
-						EndPos:    18,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  16,
-								EndPos:    17,
-							},
-						},
-					},
-				},
-				Stmts: []ast.Vertex{},
-				CloseCurlyBracketTkn: &token.Token{
-					ID:    token.ID(125),
-					Value: []byte("}"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  18,
-						EndPos:    19,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestStmtInterface_Extend(t *testing.T) {
-	src := `<? interface Foo extends Bar {}`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    31,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtInterface{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    31,
-				},
-				InterfaceTkn: &token.Token{
-					ID:    token.T_INTERFACE,
-					Value: []byte("interface"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    12,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_OPEN_TAG,
-							Value: []byte("<?"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  0,
-								EndPos:    2,
-							},
-						},
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  2,
-								EndPos:    3,
-							},
-						},
-					},
-				},
-				Name: &ast.Identifier{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  13,
-						EndPos:    16,
-					},
-					IdentifierTkn: &token.Token{
-						ID:    token.T_STRING,
-						Value: []byte("Foo"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  13,
-							EndPos:    16,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  12,
-									EndPos:    13,
-								},
-							},
-						},
-					},
-					Value: []byte("Foo"),
-				},
-				ExtendsTkn: &token.Token{
-					ID:    token.T_EXTENDS,
-					Value: []byte("extends"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  17,
-						EndPos:    24,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  16,
-								EndPos:    17,
-							},
-						},
-					},
-				},
-				Extends: []ast.Vertex{
-					&ast.Name{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  25,
-							EndPos:    28,
-						},
-						Parts: []ast.Vertex{
-							&ast.NamePart{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  25,
-									EndPos:    28,
-								},
-								StringTkn: &token.Token{
-									ID:    token.T_STRING,
-									Value: []byte("Bar"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  25,
-										EndPos:    28,
-									},
-									FreeFloating: []*token.Token{
-										{
-											ID:    token.T_WHITESPACE,
-											Value: []byte(" "),
-											Position: &position.Position{
-												StartLine: 1,
-												EndLine:   1,
-												StartPos:  24,
-												EndPos:    25,
-											},
-										},
-									},
-								},
-								Value: []byte("Bar"),
-							},
-						},
-					},
-				},
-				OpenCurlyBracketTkn: &token.Token{
-					ID:    token.ID(123),
-					Value: []byte("{"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  29,
-						EndPos:    30,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  28,
-								EndPos:    29,
-							},
-						},
-					},
-				},
-				Stmts: []ast.Vertex{},
-				CloseCurlyBracketTkn: &token.Token{
-					ID:    token.ID(125),
-					Value: []byte("}"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  30,
-						EndPos:    31,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestStmtInterface_Extends(t *testing.T) {
-	src := `<? interface Foo extends Bar, Baz {}`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    36,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtInterface{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    36,
-				},
-				InterfaceTkn: &token.Token{
-					ID:    token.T_INTERFACE,
-					Value: []byte("interface"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    12,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_OPEN_TAG,
-							Value: []byte("<?"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  0,
-								EndPos:    2,
-							},
-						},
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  2,
-								EndPos:    3,
-							},
-						},
-					},
-				},
-				Name: &ast.Identifier{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  13,
-						EndPos:    16,
-					},
-					IdentifierTkn: &token.Token{
-						ID:    token.T_STRING,
-						Value: []byte("Foo"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  13,
-							EndPos:    16,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  12,
-									EndPos:    13,
-								},
-							},
-						},
-					},
-					Value: []byte("Foo"),
-				},
-				ExtendsTkn: &token.Token{
-					ID:    token.T_EXTENDS,
-					Value: []byte("extends"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  17,
-						EndPos:    24,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  16,
-								EndPos:    17,
-							},
-						},
-					},
-				},
-				Extends: []ast.Vertex{
-					&ast.Name{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  25,
-							EndPos:    28,
-						},
-						Parts: []ast.Vertex{
-							&ast.NamePart{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  25,
-									EndPos:    28,
-								},
-								StringTkn: &token.Token{
-									ID:    token.T_STRING,
-									Value: []byte("Bar"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  25,
-										EndPos:    28,
-									},
-									FreeFloating: []*token.Token{
-										{
-											ID:    token.T_WHITESPACE,
-											Value: []byte(" "),
-											Position: &position.Position{
-												StartLine: 1,
-												EndLine:   1,
-												StartPos:  24,
-												EndPos:    25,
-											},
-										},
-									},
-								},
-								Value: []byte("Bar"),
-							},
-						},
-					},
-					&ast.Name{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  30,
-							EndPos:    33,
-						},
-						Parts: []ast.Vertex{
-							&ast.NamePart{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  30,
-									EndPos:    33,
-								},
-								StringTkn: &token.Token{
-									ID:    token.T_STRING,
-									Value: []byte("Baz"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  30,
-										EndPos:    33,
-									},
-									FreeFloating: []*token.Token{
-										{
-											ID:    token.T_WHITESPACE,
-											Value: []byte(" "),
-											Position: &position.Position{
-												StartLine: 1,
-												EndLine:   1,
-												StartPos:  29,
-												EndPos:    30,
-											},
-										},
-									},
-								},
-								Value: []byte("Baz"),
-							},
-						},
-					},
-				},
-				ExtendsSeparatorTkns: []*token.Token{
-					{
-						ID:    token.ID(44),
-						Value: []byte(","),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  28,
-							EndPos:    29,
-						},
-					},
-				},
-				OpenCurlyBracketTkn: &token.Token{
-					ID:    token.ID(123),
-					Value: []byte("{"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  34,
-						EndPos:    35,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  33,
-								EndPos:    34,
-							},
-						},
-					},
-				},
-				Stmts: []ast.Vertex{},
-				CloseCurlyBracketTkn: &token.Token{
-					ID:    token.ID(125),
-					Value: []byte("}"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  35,
-						EndPos:    36,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestStmtNamespace(t *testing.T) {
-	src := `<? namespace Foo;`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    17,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtNamespace{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    17,
-				},
-				NsTkn: &token.Token{
-					ID:    token.T_NAMESPACE,
-					Value: []byte("namespace"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    12,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_OPEN_TAG,
-							Value: []byte("<?"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  0,
-								EndPos:    2,
-							},
-						},
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  2,
-								EndPos:    3,
-							},
-						},
-					},
-				},
-				Name: &ast.Name{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  13,
-						EndPos:    16,
-					},
-					Parts: []ast.Vertex{
-						&ast.NamePart{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  13,
-								EndPos:    16,
-							},
-							StringTkn: &token.Token{
-								ID:    token.T_STRING,
-								Value: []byte("Foo"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  13,
-									EndPos:    16,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  12,
-											EndPos:    13,
-										},
-									},
-								},
-							},
-							Value: []byte("Foo"),
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  16,
-						EndPos:    17,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestStmtNamespace_Stmts(t *testing.T) {
-	src := `<? namespace Foo {}`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    19,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtNamespace{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    19,
-				},
-				NsTkn: &token.Token{
-					ID:    token.T_NAMESPACE,
-					Value: []byte("namespace"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    12,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_OPEN_TAG,
-							Value: []byte("<?"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  0,
-								EndPos:    2,
-							},
-						},
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  2,
-								EndPos:    3,
-							},
-						},
-					},
-				},
-				Name: &ast.Name{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  13,
-						EndPos:    16,
-					},
-					Parts: []ast.Vertex{
-						&ast.NamePart{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  13,
-								EndPos:    16,
-							},
-							StringTkn: &token.Token{
-								ID:    token.T_STRING,
-								Value: []byte("Foo"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  13,
-									EndPos:    16,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  12,
-											EndPos:    13,
-										},
-									},
-								},
-							},
-							Value: []byte("Foo"),
-						},
-					},
-				},
-				OpenCurlyBracketTkn: &token.Token{
-					ID:    token.ID(123),
-					Value: []byte("{"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  17,
-						EndPos:    18,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  16,
-								EndPos:    17,
-							},
-						},
-					},
-				},
-				Stmts: []ast.Vertex{},
-				CloseCurlyBracketTkn: &token.Token{
-					ID:    token.ID(125),
-					Value: []byte("}"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  18,
-						EndPos:    19,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestStmtNamespace_Anonymous(t *testing.T) {
-	src := `<? namespace {}`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    15,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtNamespace{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    15,
-				},
-				NsTkn: &token.Token{
-					ID:    token.T_NAMESPACE,
-					Value: []byte("namespace"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    12,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_OPEN_TAG,
-							Value: []byte("<?"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  0,
-								EndPos:    2,
-							},
-						},
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  2,
-								EndPos:    3,
-							},
-						},
-					},
-				},
-				OpenCurlyBracketTkn: &token.Token{
-					ID:    token.ID(123),
-					Value: []byte("{"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  13,
-						EndPos:    14,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  12,
-								EndPos:    13,
-							},
-						},
-					},
-				},
-				Stmts: []ast.Vertex{},
-				CloseCurlyBracketTkn: &token.Token{
-					ID:    token.ID(125),
-					Value: []byte("}"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  14,
-						EndPos:    15,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestStmtProperty(t *testing.T) {
-	src := `<? class foo {var $a;}`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    22,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtClass{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    22,
-				},
-				ClassTkn: &token.Token{
-					ID:    token.T_CLASS,
-					Value: []byte("class"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    8,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_OPEN_TAG,
-							Value: []byte("<?"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  0,
-								EndPos:    2,
-							},
-						},
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  2,
-								EndPos:    3,
-							},
-						},
-					},
-				},
-				Name: &ast.Identifier{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  9,
-						EndPos:    12,
-					},
-					IdentifierTkn: &token.Token{
-						ID:    token.T_STRING,
-						Value: []byte("foo"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  9,
-							EndPos:    12,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  8,
-									EndPos:    9,
-								},
-							},
-						},
-					},
-					Value: []byte("foo"),
-				},
-				OpenCurlyBracketTkn: &token.Token{
-					ID:    token.ID(123),
-					Value: []byte("{"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  13,
-						EndPos:    14,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  12,
-								EndPos:    13,
-							},
-						},
-					},
-				},
-				Stmts: []ast.Vertex{
-					&ast.StmtPropertyList{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  14,
-							EndPos:    21,
-						},
-						Modifiers: []ast.Vertex{
-							&ast.Identifier{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  14,
-									EndPos:    17,
-								},
-								IdentifierTkn: &token.Token{
-									ID:    token.T_VAR,
-									Value: []byte("var"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  14,
-										EndPos:    17,
-									},
-								},
-								Value: []byte("var"),
-							},
-						},
-						Props: []ast.Vertex{
-							&ast.StmtProperty{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  18,
-									EndPos:    20,
-								},
-								Var: &ast.ExprVariable{
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  18,
-										EndPos:    20,
-									},
-									Name: &ast.Identifier{
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  18,
-											EndPos:    20,
-										},
-										IdentifierTkn: &token.Token{
-											ID:    token.T_VARIABLE,
-											Value: []byte("$a"),
-											Position: &position.Position{
-												StartLine: 1,
-												EndLine:   1,
-												StartPos:  18,
-												EndPos:    20,
-											},
-											FreeFloating: []*token.Token{
-												{
-													ID:    token.T_WHITESPACE,
-													Value: []byte(" "),
-													Position: &position.Position{
-														StartLine: 1,
-														EndLine:   1,
-														StartPos:  17,
-														EndPos:    18,
-													},
-												},
-											},
-										},
-										Value: []byte("$a"),
-									},
-								},
-							},
-						},
-						SemiColonTkn: &token.Token{
-							ID:    token.ID(59),
-							Value: []byte(";"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  20,
-								EndPos:    21,
-							},
-						},
-					},
-				},
-				CloseCurlyBracketTkn: &token.Token{
-					ID:    token.ID(125),
-					Value: []byte("}"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  21,
-						EndPos:    22,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestStmtProperty_Properties(t *testing.T) {
-	src := `<? class foo {public static $a, $b = 1;}`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    40,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtClass{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    40,
-				},
-				ClassTkn: &token.Token{
-					ID:    token.T_CLASS,
-					Value: []byte("class"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    8,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_OPEN_TAG,
-							Value: []byte("<?"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  0,
-								EndPos:    2,
-							},
-						},
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  2,
-								EndPos:    3,
-							},
-						},
-					},
-				},
-				Name: &ast.Identifier{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  9,
-						EndPos:    12,
-					},
-					IdentifierTkn: &token.Token{
-						ID:    token.T_STRING,
-						Value: []byte("foo"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  9,
-							EndPos:    12,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  8,
-									EndPos:    9,
-								},
-							},
-						},
-					},
-					Value: []byte("foo"),
-				},
-				OpenCurlyBracketTkn: &token.Token{
-					ID:    token.ID(123),
-					Value: []byte("{"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  13,
-						EndPos:    14,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  12,
-								EndPos:    13,
-							},
-						},
-					},
-				},
-				Stmts: []ast.Vertex{
-					&ast.StmtPropertyList{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  14,
-							EndPos:    39,
-						},
-						Modifiers: []ast.Vertex{
-							&ast.Identifier{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  14,
-									EndPos:    20,
-								},
-								IdentifierTkn: &token.Token{
-									ID:    token.T_PUBLIC,
-									Value: []byte("public"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  14,
-										EndPos:    20,
-									},
-								},
-								Value: []byte("public"),
-							},
-							&ast.Identifier{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  21,
-									EndPos:    27,
-								},
-								IdentifierTkn: &token.Token{
-									ID:    token.T_STATIC,
-									Value: []byte("static"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  21,
-										EndPos:    27,
-									},
-									FreeFloating: []*token.Token{
-										{
-											ID:    token.T_WHITESPACE,
-											Value: []byte(" "),
-											Position: &position.Position{
-												StartLine: 1,
-												EndLine:   1,
-												StartPos:  20,
-												EndPos:    21,
-											},
-										},
-									},
-								},
-								Value: []byte("static"),
-							},
-						},
-						Props: []ast.Vertex{
-							&ast.StmtProperty{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  28,
-									EndPos:    30,
-								},
-								Var: &ast.ExprVariable{
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  28,
-										EndPos:    30,
-									},
-									Name: &ast.Identifier{
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  28,
-											EndPos:    30,
-										},
-										IdentifierTkn: &token.Token{
-											ID:    token.T_VARIABLE,
-											Value: []byte("$a"),
-											Position: &position.Position{
-												StartLine: 1,
-												EndLine:   1,
-												StartPos:  28,
-												EndPos:    30,
-											},
-											FreeFloating: []*token.Token{
-												{
-													ID:    token.T_WHITESPACE,
-													Value: []byte(" "),
-													Position: &position.Position{
-														StartLine: 1,
-														EndLine:   1,
-														StartPos:  27,
-														EndPos:    28,
-													},
-												},
-											},
-										},
-										Value: []byte("$a"),
-									},
-								},
-							},
-							&ast.StmtProperty{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  32,
-									EndPos:    38,
-								},
-								Var: &ast.ExprVariable{
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  32,
-										EndPos:    34,
-									},
-									Name: &ast.Identifier{
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  32,
-											EndPos:    34,
-										},
-										IdentifierTkn: &token.Token{
-											ID:    token.T_VARIABLE,
-											Value: []byte("$b"),
-											Position: &position.Position{
-												StartLine: 1,
-												EndLine:   1,
-												StartPos:  32,
-												EndPos:    34,
-											},
-											FreeFloating: []*token.Token{
-												{
-													ID:    token.T_WHITESPACE,
-													Value: []byte(" "),
-													Position: &position.Position{
-														StartLine: 1,
-														EndLine:   1,
-														StartPos:  31,
-														EndPos:    32,
-													},
-												},
-											},
-										},
-										Value: []byte("$b"),
-									},
-								},
-								EqualTkn: &token.Token{
-									ID:    token.ID(61),
-									Value: []byte("="),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  35,
-										EndPos:    36,
-									},
-									FreeFloating: []*token.Token{
-										{
-											ID:    token.T_WHITESPACE,
-											Value: []byte(" "),
-											Position: &position.Position{
-												StartLine: 1,
-												EndLine:   1,
-												StartPos:  34,
-												EndPos:    35,
-											},
-										},
-									},
-								},
-								Expr: &ast.ScalarLnumber{
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  37,
-										EndPos:    38,
-									},
-									NumberTkn: &token.Token{
-										ID:    token.T_LNUMBER,
-										Value: []byte("1"),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  37,
-											EndPos:    38,
-										},
-										FreeFloating: []*token.Token{
-											{
-												ID:    token.T_WHITESPACE,
-												Value: []byte(" "),
-												Position: &position.Position{
-													StartLine: 1,
-													EndLine:   1,
-													StartPos:  36,
-													EndPos:    37,
-												},
-											},
-										},
-									},
-									Value: []byte("1"),
-								},
-							},
-						},
-						SeparatorTkns: []*token.Token{
-							{
-								ID:    token.ID(44),
-								Value: []byte(","),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  30,
-									EndPos:    31,
-								},
-							},
-						},
-						SemiColonTkn: &token.Token{
-							ID:    token.ID(59),
-							Value: []byte(";"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  38,
-								EndPos:    39,
-							},
-						},
-					},
-				},
-				CloseCurlyBracketTkn: &token.Token{
-					ID:    token.ID(125),
-					Value: []byte("}"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  39,
-						EndPos:    40,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestStmtProperty_Properties2(t *testing.T) {
-	src := `<? class foo {public static $a = 1, $b;}`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    40,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtClass{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    40,
-				},
-				ClassTkn: &token.Token{
-					ID:    token.T_CLASS,
-					Value: []byte("class"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    8,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_OPEN_TAG,
-							Value: []byte("<?"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  0,
-								EndPos:    2,
-							},
-						},
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  2,
-								EndPos:    3,
-							},
-						},
-					},
-				},
-				Name: &ast.Identifier{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  9,
-						EndPos:    12,
-					},
-					IdentifierTkn: &token.Token{
-						ID:    token.T_STRING,
-						Value: []byte("foo"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  9,
-							EndPos:    12,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  8,
-									EndPos:    9,
-								},
-							},
-						},
-					},
-					Value: []byte("foo"),
-				},
-				OpenCurlyBracketTkn: &token.Token{
-					ID:    token.ID(123),
-					Value: []byte("{"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  13,
-						EndPos:    14,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  12,
-								EndPos:    13,
-							},
-						},
-					},
-				},
-				Stmts: []ast.Vertex{
-					&ast.StmtPropertyList{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  14,
-							EndPos:    39,
-						},
-						Modifiers: []ast.Vertex{
-							&ast.Identifier{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  14,
-									EndPos:    20,
-								},
-								IdentifierTkn: &token.Token{
-									ID:    token.T_PUBLIC,
-									Value: []byte("public"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  14,
-										EndPos:    20,
-									},
-								},
-								Value: []byte("public"),
-							},
-							&ast.Identifier{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  21,
-									EndPos:    27,
-								},
-								IdentifierTkn: &token.Token{
-									ID:    token.T_STATIC,
-									Value: []byte("static"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  21,
-										EndPos:    27,
-									},
-									FreeFloating: []*token.Token{
-										{
-											ID:    token.T_WHITESPACE,
-											Value: []byte(" "),
-											Position: &position.Position{
-												StartLine: 1,
-												EndLine:   1,
-												StartPos:  20,
-												EndPos:    21,
-											},
-										},
-									},
-								},
-								Value: []byte("static"),
-							},
-						},
-						Props: []ast.Vertex{
-							&ast.StmtProperty{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  28,
-									EndPos:    34,
-								},
-								Var: &ast.ExprVariable{
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  28,
-										EndPos:    30,
-									},
-									Name: &ast.Identifier{
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  28,
-											EndPos:    30,
-										},
-										IdentifierTkn: &token.Token{
-											ID:    token.T_VARIABLE,
-											Value: []byte("$a"),
-											Position: &position.Position{
-												StartLine: 1,
-												EndLine:   1,
-												StartPos:  28,
-												EndPos:    30,
-											},
-											FreeFloating: []*token.Token{
-												{
-													ID:    token.T_WHITESPACE,
-													Value: []byte(" "),
-													Position: &position.Position{
-														StartLine: 1,
-														EndLine:   1,
-														StartPos:  27,
-														EndPos:    28,
-													},
-												},
-											},
-										},
-										Value: []byte("$a"),
-									},
-								},
-								EqualTkn: &token.Token{
-									ID:    token.ID(61),
-									Value: []byte("="),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  31,
-										EndPos:    32,
-									},
-									FreeFloating: []*token.Token{
-										{
-											ID:    token.T_WHITESPACE,
-											Value: []byte(" "),
-											Position: &position.Position{
-												StartLine: 1,
-												EndLine:   1,
-												StartPos:  30,
-												EndPos:    31,
-											},
-										},
-									},
-								},
-								Expr: &ast.ScalarLnumber{
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  33,
-										EndPos:    34,
-									},
-									NumberTkn: &token.Token{
-										ID:    token.T_LNUMBER,
-										Value: []byte("1"),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  33,
-											EndPos:    34,
-										},
-										FreeFloating: []*token.Token{
-											{
-												ID:    token.T_WHITESPACE,
-												Value: []byte(" "),
-												Position: &position.Position{
-													StartLine: 1,
-													EndLine:   1,
-													StartPos:  32,
-													EndPos:    33,
-												},
-											},
-										},
-									},
-									Value: []byte("1"),
-								},
-							},
-							&ast.StmtProperty{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  36,
-									EndPos:    38,
-								},
-								Var: &ast.ExprVariable{
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  36,
-										EndPos:    38,
-									},
-									Name: &ast.Identifier{
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  36,
-											EndPos:    38,
-										},
-										IdentifierTkn: &token.Token{
-											ID:    token.T_VARIABLE,
-											Value: []byte("$b"),
-											Position: &position.Position{
-												StartLine: 1,
-												EndLine:   1,
-												StartPos:  36,
-												EndPos:    38,
-											},
-											FreeFloating: []*token.Token{
-												{
-													ID:    token.T_WHITESPACE,
-													Value: []byte(" "),
-													Position: &position.Position{
-														StartLine: 1,
-														EndLine:   1,
-														StartPos:  35,
-														EndPos:    36,
-													},
-												},
-											},
-										},
-										Value: []byte("$b"),
-									},
-								},
-							},
-						},
-						SeparatorTkns: []*token.Token{
-							{
-								ID:    token.ID(44),
-								Value: []byte(","),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  34,
-									EndPos:    35,
-								},
-							},
-						},
-						SemiColonTkn: &token.Token{
-							ID:    token.ID(59),
-							Value: []byte(";"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  38,
-								EndPos:    39,
-							},
-						},
-					},
-				},
-				CloseCurlyBracketTkn: &token.Token{
-					ID:    token.ID(125),
-					Value: []byte("}"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  39,
-						EndPos:    40,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestStmtStaticVar(t *testing.T) {
-	src := `<? static $a;`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    13,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtStatic{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    13,
-				},
-				StaticTkn: &token.Token{
-					ID:    token.T_STATIC,
-					Value: []byte("static"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    9,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_OPEN_TAG,
-							Value: []byte("<?"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  0,
-								EndPos:    2,
-							},
-						},
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  2,
-								EndPos:    3,
-							},
-						},
-					},
-				},
-				Vars: []ast.Vertex{
-					&ast.StmtStaticVar{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  10,
-							EndPos:    12,
-						},
-						Var: &ast.ExprVariable{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  10,
-								EndPos:    12,
-							},
-							Name: &ast.Identifier{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  10,
-									EndPos:    12,
-								},
-								IdentifierTkn: &token.Token{
-									ID:    token.T_VARIABLE,
-									Value: []byte("$a"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  10,
-										EndPos:    12,
-									},
-									FreeFloating: []*token.Token{
-										{
-											ID:    token.T_WHITESPACE,
-											Value: []byte(" "),
-											Position: &position.Position{
-												StartLine: 1,
-												EndLine:   1,
-												StartPos:  9,
-												EndPos:    10,
-											},
-										},
-									},
-								},
-								Value: []byte("$a"),
-							},
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  12,
-						EndPos:    13,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestStmtStaticVar_Vars(t *testing.T) {
-	src := `<? static $a, $b = 1;`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    21,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtStatic{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    21,
-				},
-				StaticTkn: &token.Token{
-					ID:    token.T_STATIC,
-					Value: []byte("static"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    9,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_OPEN_TAG,
-							Value: []byte("<?"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  0,
-								EndPos:    2,
-							},
-						},
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  2,
-								EndPos:    3,
-							},
-						},
-					},
-				},
-				Vars: []ast.Vertex{
-					&ast.StmtStaticVar{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  10,
-							EndPos:    12,
-						},
-						Var: &ast.ExprVariable{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  10,
-								EndPos:    12,
-							},
-							Name: &ast.Identifier{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  10,
-									EndPos:    12,
-								},
-								IdentifierTkn: &token.Token{
-									ID:    token.T_VARIABLE,
-									Value: []byte("$a"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  10,
-										EndPos:    12,
-									},
-									FreeFloating: []*token.Token{
-										{
-											ID:    token.T_WHITESPACE,
-											Value: []byte(" "),
-											Position: &position.Position{
-												StartLine: 1,
-												EndLine:   1,
-												StartPos:  9,
-												EndPos:    10,
-											},
-										},
-									},
-								},
-								Value: []byte("$a"),
-							},
-						},
-					},
-					&ast.StmtStaticVar{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  14,
-							EndPos:    20,
-						},
-						Var: &ast.ExprVariable{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  14,
-								EndPos:    16,
-							},
-							Name: &ast.Identifier{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  14,
-									EndPos:    16,
-								},
-								IdentifierTkn: &token.Token{
-									ID:    token.T_VARIABLE,
-									Value: []byte("$b"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  14,
-										EndPos:    16,
-									},
-									FreeFloating: []*token.Token{
-										{
-											ID:    token.T_WHITESPACE,
-											Value: []byte(" "),
-											Position: &position.Position{
-												StartLine: 1,
-												EndLine:   1,
-												StartPos:  13,
-												EndPos:    14,
-											},
-										},
-									},
-								},
-								Value: []byte("$b"),
-							},
-						},
-						EqualTkn: &token.Token{
-							ID:    token.ID(61),
-							Value: []byte("="),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  17,
-								EndPos:    18,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  16,
-										EndPos:    17,
-									},
-								},
-							},
-						},
-						Expr: &ast.ScalarLnumber{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  19,
-								EndPos:    20,
-							},
-							NumberTkn: &token.Token{
-								ID:    token.T_LNUMBER,
-								Value: []byte("1"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  19,
-									EndPos:    20,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  18,
-											EndPos:    19,
-										},
-									},
-								},
-							},
-							Value: []byte("1"),
-						},
-					},
-				},
-				SeparatorTkns: []*token.Token{
-					{
-						ID:    token.ID(44),
-						Value: []byte(","),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  12,
-							EndPos:    13,
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  20,
-						EndPos:    21,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestStmtStaticVar_Vars2(t *testing.T) {
-	src := `<? static $a = 1, $b;`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    21,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtStatic{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    21,
-				},
-				StaticTkn: &token.Token{
-					ID:    token.T_STATIC,
-					Value: []byte("static"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    9,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_OPEN_TAG,
-							Value: []byte("<?"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  0,
-								EndPos:    2,
-							},
-						},
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  2,
-								EndPos:    3,
-							},
-						},
-					},
-				},
-				Vars: []ast.Vertex{
-					&ast.StmtStaticVar{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  10,
-							EndPos:    16,
-						},
-						Var: &ast.ExprVariable{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  10,
-								EndPos:    12,
-							},
-							Name: &ast.Identifier{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  10,
-									EndPos:    12,
-								},
-								IdentifierTkn: &token.Token{
-									ID:    token.T_VARIABLE,
-									Value: []byte("$a"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  10,
-										EndPos:    12,
-									},
-									FreeFloating: []*token.Token{
-										{
-											ID:    token.T_WHITESPACE,
-											Value: []byte(" "),
-											Position: &position.Position{
-												StartLine: 1,
-												EndLine:   1,
-												StartPos:  9,
-												EndPos:    10,
-											},
-										},
-									},
-								},
-								Value: []byte("$a"),
-							},
-						},
-						EqualTkn: &token.Token{
-							ID:    token.ID(61),
-							Value: []byte("="),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  13,
-								EndPos:    14,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  12,
-										EndPos:    13,
-									},
-								},
-							},
-						},
-						Expr: &ast.ScalarLnumber{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  15,
-								EndPos:    16,
-							},
-							NumberTkn: &token.Token{
-								ID:    token.T_LNUMBER,
-								Value: []byte("1"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  15,
-									EndPos:    16,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  14,
-											EndPos:    15,
-										},
-									},
-								},
-							},
-							Value: []byte("1"),
-						},
-					},
-					&ast.StmtStaticVar{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  18,
-							EndPos:    20,
-						},
-						Var: &ast.ExprVariable{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  18,
-								EndPos:    20,
-							},
-							Name: &ast.Identifier{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  18,
-									EndPos:    20,
-								},
-								IdentifierTkn: &token.Token{
-									ID:    token.T_VARIABLE,
-									Value: []byte("$b"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  18,
-										EndPos:    20,
-									},
-									FreeFloating: []*token.Token{
-										{
-											ID:    token.T_WHITESPACE,
-											Value: []byte(" "),
-											Position: &position.Position{
-												StartLine: 1,
-												EndLine:   1,
-												StartPos:  17,
-												EndPos:    18,
-											},
-										},
-									},
-								},
-								Value: []byte("$b"),
-							},
-						},
-					},
-				},
-				SeparatorTkns: []*token.Token{
-					{
-						ID:    token.ID(44),
-						Value: []byte(","),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  16,
-							EndPos:    17,
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  20,
-						EndPos:    21,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestStmtSwitch(t *testing.T) {
-	src := `<?
-		switch (1) {
-			case 1: break;
-			case 2: break;
-		}`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 2,
-			EndLine:   5,
-			StartPos:  5,
-			EndPos:    57,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtSwitch{
-				Position: &position.Position{
-					StartLine: 2,
-					EndLine:   5,
-					StartPos:  5,
-					EndPos:    57,
-				},
-				SwitchTkn: &token.Token{
-					ID:    token.T_SWITCH,
-					Value: []byte("switch"),
-					Position: &position.Position{
-						StartLine: 2,
-						EndLine:   2,
-						StartPos:  5,
-						EndPos:    11,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_OPEN_TAG,
-							Value: []byte("<?"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  0,
-								EndPos:    2,
-							},
-						},
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte("\n\t\t"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   2,
-								StartPos:  2,
-								EndPos:    5,
-							},
-						},
-					},
-				},
-				OpenParenthesisTkn: &token.Token{
-					ID:    token.ID(40),
-					Value: []byte("("),
-					Position: &position.Position{
-						StartLine: 2,
-						EndLine:   2,
-						StartPos:  12,
-						EndPos:    13,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 2,
-								EndLine:   2,
-								StartPos:  11,
-								EndPos:    12,
-							},
-						},
-					},
-				},
-				Cond: &ast.ScalarLnumber{
-					Position: &position.Position{
-						StartLine: 2,
-						EndLine:   2,
-						StartPos:  13,
-						EndPos:    14,
-					},
-					NumberTkn: &token.Token{
-						ID:    token.T_LNUMBER,
-						Value: []byte("1"),
-						Position: &position.Position{
-							StartLine: 2,
-							EndLine:   2,
-							StartPos:  13,
-							EndPos:    14,
-						},
-					},
-					Value: []byte("1"),
-				},
-				CloseParenthesisTkn: &token.Token{
-					ID:    token.ID(41),
-					Value: []byte(")"),
-					Position: &position.Position{
-						StartLine: 2,
-						EndLine:   2,
-						StartPos:  14,
-						EndPos:    15,
-					},
-				},
-				OpenCurlyBracketTkn: &token.Token{
-					ID:    token.ID(123),
-					Value: []byte("{"),
-					Position: &position.Position{
-						StartLine: 2,
-						EndLine:   2,
-						StartPos:  16,
-						EndPos:    17,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 2,
-								EndLine:   2,
-								StartPos:  15,
-								EndPos:    16,
-							},
-						},
-					},
-				},
-				Cases: []ast.Vertex{
-					&ast.StmtCase{
-						Position: &position.Position{
-							StartLine: 3,
-							EndLine:   3,
-							StartPos:  21,
-							EndPos:    35,
-						},
-						CaseTkn: &token.Token{
-							ID:    token.T_CASE,
-							Value: []byte("case"),
-							Position: &position.Position{
-								StartLine: 3,
-								EndLine:   3,
-								StartPos:  21,
-								EndPos:    25,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte("\n\t\t\t"),
-									Position: &position.Position{
-										StartLine: 2,
-										EndLine:   3,
-										StartPos:  17,
-										EndPos:    21,
-									},
-								},
-							},
-						},
-						Cond: &ast.ScalarLnumber{
-							Position: &position.Position{
-								StartLine: 3,
-								EndLine:   3,
-								StartPos:  26,
-								EndPos:    27,
-							},
-							NumberTkn: &token.Token{
-								ID:    token.T_LNUMBER,
-								Value: []byte("1"),
-								Position: &position.Position{
-									StartLine: 3,
-									EndLine:   3,
-									StartPos:  26,
-									EndPos:    27,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 3,
-											EndLine:   3,
-											StartPos:  25,
-											EndPos:    26,
-										},
-									},
-								},
-							},
-							Value: []byte("1"),
-						},
-						CaseSeparatorTkn: &token.Token{
-							ID:    token.ID(58),
-							Value: []byte(":"),
-							Position: &position.Position{
-								StartLine: 3,
-								EndLine:   3,
-								StartPos:  27,
-								EndPos:    28,
-							},
-						},
-						Stmts: []ast.Vertex{
-							&ast.StmtBreak{
-								Position: &position.Position{
-									StartLine: 3,
-									EndLine:   3,
-									StartPos:  29,
-									EndPos:    35,
-								},
-								BreakTkn: &token.Token{
-									ID:    token.T_BREAK,
-									Value: []byte("break"),
-									Position: &position.Position{
-										StartLine: 3,
-										EndLine:   3,
-										StartPos:  29,
-										EndPos:    34,
-									},
-									FreeFloating: []*token.Token{
-										{
-											ID:    token.T_WHITESPACE,
-											Value: []byte(" "),
-											Position: &position.Position{
-												StartLine: 3,
-												EndLine:   3,
-												StartPos:  28,
-												EndPos:    29,
-											},
-										},
-									},
-								},
-								SemiColonTkn: &token.Token{
-									ID:    token.ID(59),
-									Value: []byte(";"),
-									Position: &position.Position{
-										StartLine: 3,
-										EndLine:   3,
-										StartPos:  34,
-										EndPos:    35,
-									},
-								},
-							},
-						},
-					},
-					&ast.StmtCase{
-						Position: &position.Position{
-							StartLine: 4,
-							EndLine:   4,
-							StartPos:  39,
-							EndPos:    53,
-						},
-						CaseTkn: &token.Token{
-							ID:    token.T_CASE,
-							Value: []byte("case"),
-							Position: &position.Position{
-								StartLine: 4,
-								EndLine:   4,
-								StartPos:  39,
-								EndPos:    43,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte("\n\t\t\t"),
-									Position: &position.Position{
-										StartLine: 3,
-										EndLine:   4,
-										StartPos:  35,
-										EndPos:    39,
-									},
-								},
-							},
-						},
-						Cond: &ast.ScalarLnumber{
-							Position: &position.Position{
-								StartLine: 4,
-								EndLine:   4,
-								StartPos:  44,
-								EndPos:    45,
-							},
-							NumberTkn: &token.Token{
-								ID:    token.T_LNUMBER,
-								Value: []byte("2"),
-								Position: &position.Position{
-									StartLine: 4,
-									EndLine:   4,
-									StartPos:  44,
-									EndPos:    45,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 4,
-											EndLine:   4,
-											StartPos:  43,
-											EndPos:    44,
-										},
-									},
-								},
-							},
-							Value: []byte("2"),
-						},
-						CaseSeparatorTkn: &token.Token{
-							ID:    token.ID(58),
-							Value: []byte(":"),
-							Position: &position.Position{
-								StartLine: 4,
-								EndLine:   4,
-								StartPos:  45,
-								EndPos:    46,
-							},
-						},
-						Stmts: []ast.Vertex{
-							&ast.StmtBreak{
-								Position: &position.Position{
-									StartLine: 4,
-									EndLine:   4,
-									StartPos:  47,
-									EndPos:    53,
-								},
-								BreakTkn: &token.Token{
-									ID:    token.T_BREAK,
-									Value: []byte("break"),
-									Position: &position.Position{
-										StartLine: 4,
-										EndLine:   4,
-										StartPos:  47,
-										EndPos:    52,
-									},
-									FreeFloating: []*token.Token{
-										{
-											ID:    token.T_WHITESPACE,
-											Value: []byte(" "),
-											Position: &position.Position{
-												StartLine: 4,
-												EndLine:   4,
-												StartPos:  46,
-												EndPos:    47,
-											},
-										},
-									},
-								},
-								SemiColonTkn: &token.Token{
-									ID:    token.ID(59),
-									Value: []byte(";"),
-									Position: &position.Position{
-										StartLine: 4,
-										EndLine:   4,
-										StartPos:  52,
-										EndPos:    53,
-									},
-								},
-							},
-						},
-					},
-				},
-				CloseCurlyBracketTkn: &token.Token{
-					ID:    token.ID(125),
-					Value: []byte("}"),
-					Position: &position.Position{
-						StartLine: 5,
-						EndLine:   5,
-						StartPos:  56,
-						EndPos:    57,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte("\n\t\t"),
-							Position: &position.Position{
-								StartLine: 4,
-								EndLine:   5,
-								StartPos:  53,
-								EndPos:    56,
-							},
-						},
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestStmtSwitch_Semicolon(t *testing.T) {
-	src := `<?
-		switch (1) {;
-			case 1; break;
-			case 2; break;
-		}`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 2,
-			EndLine:   5,
-			StartPos:  5,
-			EndPos:    58,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtSwitch{
-				Position: &position.Position{
-					StartLine: 2,
-					EndLine:   5,
-					StartPos:  5,
-					EndPos:    58,
-				},
-				SwitchTkn: &token.Token{
-					ID:    token.T_SWITCH,
-					Value: []byte("switch"),
-					Position: &position.Position{
-						StartLine: 2,
-						EndLine:   2,
-						StartPos:  5,
-						EndPos:    11,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_OPEN_TAG,
-							Value: []byte("<?"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  0,
-								EndPos:    2,
-							},
-						},
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte("\n\t\t"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   2,
-								StartPos:  2,
-								EndPos:    5,
-							},
-						},
-					},
-				},
-				OpenParenthesisTkn: &token.Token{
-					ID:    token.ID(40),
-					Value: []byte("("),
-					Position: &position.Position{
-						StartLine: 2,
-						EndLine:   2,
-						StartPos:  12,
-						EndPos:    13,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 2,
-								EndLine:   2,
-								StartPos:  11,
-								EndPos:    12,
-							},
-						},
-					},
-				},
-				Cond: &ast.ScalarLnumber{
-					Position: &position.Position{
-						StartLine: 2,
-						EndLine:   2,
-						StartPos:  13,
-						EndPos:    14,
-					},
-					NumberTkn: &token.Token{
-						ID:    token.T_LNUMBER,
-						Value: []byte("1"),
-						Position: &position.Position{
-							StartLine: 2,
-							EndLine:   2,
-							StartPos:  13,
-							EndPos:    14,
-						},
-					},
-					Value: []byte("1"),
-				},
-				CloseParenthesisTkn: &token.Token{
-					ID:    token.ID(41),
-					Value: []byte(")"),
-					Position: &position.Position{
-						StartLine: 2,
-						EndLine:   2,
-						StartPos:  14,
-						EndPos:    15,
-					},
-				},
-				OpenCurlyBracketTkn: &token.Token{
-					ID:    token.ID(123),
-					Value: []byte("{"),
-					Position: &position.Position{
-						StartLine: 2,
-						EndLine:   2,
-						StartPos:  16,
-						EndPos:    17,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 2,
-								EndLine:   2,
-								StartPos:  15,
-								EndPos:    16,
-							},
-						},
-					},
-				},
-				CaseSeparatorTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 2,
-						EndLine:   2,
-						StartPos:  17,
-						EndPos:    18,
-					},
-				},
-				Cases: []ast.Vertex{
-					&ast.StmtCase{
-						Position: &position.Position{
-							StartLine: 3,
-							EndLine:   3,
-							StartPos:  22,
-							EndPos:    36,
-						},
-						CaseTkn: &token.Token{
-							ID:    token.T_CASE,
-							Value: []byte("case"),
-							Position: &position.Position{
-								StartLine: 3,
-								EndLine:   3,
-								StartPos:  22,
-								EndPos:    26,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte("\n\t\t\t"),
-									Position: &position.Position{
-										StartLine: 2,
-										EndLine:   3,
-										StartPos:  18,
-										EndPos:    22,
-									},
-								},
-							},
-						},
-						Cond: &ast.ScalarLnumber{
-							Position: &position.Position{
-								StartLine: 3,
-								EndLine:   3,
-								StartPos:  27,
-								EndPos:    28,
-							},
-							NumberTkn: &token.Token{
-								ID:    token.T_LNUMBER,
-								Value: []byte("1"),
-								Position: &position.Position{
-									StartLine: 3,
-									EndLine:   3,
-									StartPos:  27,
-									EndPos:    28,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 3,
-											EndLine:   3,
-											StartPos:  26,
-											EndPos:    27,
-										},
-									},
-								},
-							},
-							Value: []byte("1"),
-						},
-						CaseSeparatorTkn: &token.Token{
-							ID:    token.ID(59),
-							Value: []byte(";"),
-							Position: &position.Position{
-								StartLine: 3,
-								EndLine:   3,
-								StartPos:  28,
-								EndPos:    29,
-							},
-						},
-						Stmts: []ast.Vertex{
-							&ast.StmtBreak{
-								Position: &position.Position{
-									StartLine: 3,
-									EndLine:   3,
-									StartPos:  30,
-									EndPos:    36,
-								},
-								BreakTkn: &token.Token{
-									ID:    token.T_BREAK,
-									Value: []byte("break"),
-									Position: &position.Position{
-										StartLine: 3,
-										EndLine:   3,
-										StartPos:  30,
-										EndPos:    35,
-									},
-									FreeFloating: []*token.Token{
-										{
-											ID:    token.T_WHITESPACE,
-											Value: []byte(" "),
-											Position: &position.Position{
-												StartLine: 3,
-												EndLine:   3,
-												StartPos:  29,
-												EndPos:    30,
-											},
-										},
-									},
-								},
-								SemiColonTkn: &token.Token{
-									ID:    token.ID(59),
-									Value: []byte(";"),
-									Position: &position.Position{
-										StartLine: 3,
-										EndLine:   3,
-										StartPos:  35,
-										EndPos:    36,
-									},
-								},
-							},
-						},
-					},
-					&ast.StmtCase{
-						Position: &position.Position{
-							StartLine: 4,
-							EndLine:   4,
-							StartPos:  40,
-							EndPos:    54,
-						},
-						CaseTkn: &token.Token{
-							ID:    token.T_CASE,
-							Value: []byte("case"),
-							Position: &position.Position{
-								StartLine: 4,
-								EndLine:   4,
-								StartPos:  40,
-								EndPos:    44,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte("\n\t\t\t"),
-									Position: &position.Position{
-										StartLine: 3,
-										EndLine:   4,
-										StartPos:  36,
-										EndPos:    40,
-									},
-								},
-							},
-						},
-						Cond: &ast.ScalarLnumber{
-							Position: &position.Position{
-								StartLine: 4,
-								EndLine:   4,
-								StartPos:  45,
-								EndPos:    46,
-							},
-							NumberTkn: &token.Token{
-								ID:    token.T_LNUMBER,
-								Value: []byte("2"),
-								Position: &position.Position{
-									StartLine: 4,
-									EndLine:   4,
-									StartPos:  45,
-									EndPos:    46,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 4,
-											EndLine:   4,
-											StartPos:  44,
-											EndPos:    45,
-										},
-									},
-								},
-							},
-							Value: []byte("2"),
-						},
-						CaseSeparatorTkn: &token.Token{
-							ID:    token.ID(59),
-							Value: []byte(";"),
-							Position: &position.Position{
-								StartLine: 4,
-								EndLine:   4,
-								StartPos:  46,
-								EndPos:    47,
-							},
-						},
-						Stmts: []ast.Vertex{
-							&ast.StmtBreak{
-								Position: &position.Position{
-									StartLine: 4,
-									EndLine:   4,
-									StartPos:  48,
-									EndPos:    54,
-								},
-								BreakTkn: &token.Token{
-									ID:    token.T_BREAK,
-									Value: []byte("break"),
-									Position: &position.Position{
-										StartLine: 4,
-										EndLine:   4,
-										StartPos:  48,
-										EndPos:    53,
-									},
-									FreeFloating: []*token.Token{
-										{
-											ID:    token.T_WHITESPACE,
-											Value: []byte(" "),
-											Position: &position.Position{
-												StartLine: 4,
-												EndLine:   4,
-												StartPos:  47,
-												EndPos:    48,
-											},
-										},
-									},
-								},
-								SemiColonTkn: &token.Token{
-									ID:    token.ID(59),
-									Value: []byte(";"),
-									Position: &position.Position{
-										StartLine: 4,
-										EndLine:   4,
-										StartPos:  53,
-										EndPos:    54,
-									},
-								},
-							},
-						},
-					},
-				},
-				CloseCurlyBracketTkn: &token.Token{
-					ID:    token.ID(125),
-					Value: []byte("}"),
-					Position: &position.Position{
-						StartLine: 5,
-						EndLine:   5,
-						StartPos:  57,
-						EndPos:    58,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte("\n\t\t"),
-							Position: &position.Position{
-								StartLine: 4,
-								EndLine:   5,
-								StartPos:  54,
-								EndPos:    57,
-							},
-						},
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestStmtSwitch_Alt(t *testing.T) {
-	src := `<?
-		switch (1) :
-			case 1:
-			default:
-			case 2;
-		endswitch;`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 2,
-			EndLine:   6,
-			StartPos:  5,
-			EndPos:    64,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtSwitch{
-				Position: &position.Position{
-					StartLine: 2,
-					EndLine:   6,
-					StartPos:  5,
-					EndPos:    64,
-				},
-				SwitchTkn: &token.Token{
-					ID:    token.T_SWITCH,
-					Value: []byte("switch"),
-					Position: &position.Position{
-						StartLine: 2,
-						EndLine:   2,
-						StartPos:  5,
-						EndPos:    11,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_OPEN_TAG,
-							Value: []byte("<?"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  0,
-								EndPos:    2,
-							},
-						},
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte("\n\t\t"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   2,
-								StartPos:  2,
-								EndPos:    5,
-							},
-						},
-					},
-				},
-				OpenParenthesisTkn: &token.Token{
-					ID:    token.ID(40),
-					Value: []byte("("),
-					Position: &position.Position{
-						StartLine: 2,
-						EndLine:   2,
-						StartPos:  12,
-						EndPos:    13,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 2,
-								EndLine:   2,
-								StartPos:  11,
-								EndPos:    12,
-							},
-						},
-					},
-				},
-				Cond: &ast.ScalarLnumber{
-					Position: &position.Position{
-						StartLine: 2,
-						EndLine:   2,
-						StartPos:  13,
-						EndPos:    14,
-					},
-					NumberTkn: &token.Token{
-						ID:    token.T_LNUMBER,
-						Value: []byte("1"),
-						Position: &position.Position{
-							StartLine: 2,
-							EndLine:   2,
-							StartPos:  13,
-							EndPos:    14,
-						},
-					},
-					Value: []byte("1"),
-				},
-				CloseParenthesisTkn: &token.Token{
-					ID:    token.ID(41),
-					Value: []byte(")"),
-					Position: &position.Position{
-						StartLine: 2,
-						EndLine:   2,
-						StartPos:  14,
-						EndPos:    15,
-					},
-				},
-				ColonTkn: &token.Token{
-					ID:    token.ID(58),
-					Value: []byte(":"),
-					Position: &position.Position{
-						StartLine: 2,
-						EndLine:   2,
-						StartPos:  16,
-						EndPos:    17,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 2,
-								EndLine:   2,
-								StartPos:  15,
-								EndPos:    16,
-							},
-						},
-					},
-				},
-				Cases: []ast.Vertex{
-					&ast.StmtCase{
-						Position: &position.Position{
-							StartLine: 3,
-							EndLine:   -1,
-							StartPos:  21,
-							EndPos:    -1,
-						},
-						CaseTkn: &token.Token{
-							ID:    token.T_CASE,
-							Value: []byte("case"),
-							Position: &position.Position{
-								StartLine: 3,
-								EndLine:   3,
-								StartPos:  21,
-								EndPos:    25,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte("\n\t\t\t"),
-									Position: &position.Position{
-										StartLine: 2,
-										EndLine:   3,
-										StartPos:  17,
-										EndPos:    21,
-									},
-								},
-							},
-						},
-						Cond: &ast.ScalarLnumber{
-							Position: &position.Position{
-								StartLine: 3,
-								EndLine:   3,
-								StartPos:  26,
-								EndPos:    27,
-							},
-							NumberTkn: &token.Token{
-								ID:    token.T_LNUMBER,
-								Value: []byte("1"),
-								Position: &position.Position{
-									StartLine: 3,
-									EndLine:   3,
-									StartPos:  26,
-									EndPos:    27,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 3,
-											EndLine:   3,
-											StartPos:  25,
-											EndPos:    26,
-										},
-									},
-								},
-							},
-							Value: []byte("1"),
-						},
-						CaseSeparatorTkn: &token.Token{
-							ID:    token.ID(58),
-							Value: []byte(":"),
-							Position: &position.Position{
-								StartLine: 3,
-								EndLine:   3,
-								StartPos:  27,
-								EndPos:    28,
-							},
-						},
-						Stmts: []ast.Vertex{},
-					},
-					&ast.StmtDefault{
-						Position: &position.Position{
-							StartLine: 4,
-							EndLine:   -1,
-							StartPos:  32,
-							EndPos:    -1,
-						},
-						DefaultTkn: &token.Token{
-							ID:    token.T_DEFAULT,
-							Value: []byte("default"),
-							Position: &position.Position{
-								StartLine: 4,
-								EndLine:   4,
-								StartPos:  32,
-								EndPos:    39,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte("\n\t\t\t"),
-									Position: &position.Position{
-										StartLine: 3,
-										EndLine:   4,
-										StartPos:  28,
-										EndPos:    32,
-									},
-								},
-							},
-						},
-						CaseSeparatorTkn: &token.Token{
-							ID:    token.ID(58),
-							Value: []byte(":"),
-							Position: &position.Position{
-								StartLine: 4,
-								EndLine:   4,
-								StartPos:  39,
-								EndPos:    40,
-							},
-						},
-						Stmts: []ast.Vertex{},
-					},
-					&ast.StmtCase{
-						Position: &position.Position{
-							StartLine: 5,
-							EndLine:   -1,
-							StartPos:  44,
-							EndPos:    -1,
-						},
-						CaseTkn: &token.Token{
-							ID:    token.T_CASE,
-							Value: []byte("case"),
-							Position: &position.Position{
-								StartLine: 5,
-								EndLine:   5,
-								StartPos:  44,
-								EndPos:    48,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte("\n\t\t\t"),
-									Position: &position.Position{
-										StartLine: 4,
-										EndLine:   5,
-										StartPos:  40,
-										EndPos:    44,
-									},
-								},
-							},
-						},
-						Cond: &ast.ScalarLnumber{
-							Position: &position.Position{
-								StartLine: 5,
-								EndLine:   5,
-								StartPos:  49,
-								EndPos:    50,
-							},
-							NumberTkn: &token.Token{
-								ID:    token.T_LNUMBER,
-								Value: []byte("2"),
-								Position: &position.Position{
-									StartLine: 5,
-									EndLine:   5,
-									StartPos:  49,
-									EndPos:    50,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 5,
-											EndLine:   5,
-											StartPos:  48,
-											EndPos:    49,
-										},
-									},
-								},
-							},
-							Value: []byte("2"),
-						},
-						CaseSeparatorTkn: &token.Token{
-							ID:    token.ID(59),
-							Value: []byte(";"),
-							Position: &position.Position{
-								StartLine: 5,
-								EndLine:   5,
-								StartPos:  50,
-								EndPos:    51,
-							},
-						},
-						Stmts: []ast.Vertex{},
-					},
-				},
-				EndSwitchTkn: &token.Token{
-					ID:    token.T_ENDSWITCH,
-					Value: []byte("endswitch"),
-					Position: &position.Position{
-						StartLine: 6,
-						EndLine:   6,
-						StartPos:  54,
-						EndPos:    63,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte("\n\t\t"),
-							Position: &position.Position{
-								StartLine: 5,
-								EndLine:   6,
-								StartPos:  51,
-								EndPos:    54,
-							},
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 6,
-						EndLine:   6,
-						StartPos:  63,
-						EndPos:    64,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestStmtSwitch_AltSemicolon(t *testing.T) {
-	src := `<?
-		switch (1) :;
-			case 1;
-			case 2;
-		endswitch;`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 2,
-			EndLine:   5,
-			StartPos:  5,
-			EndPos:    53,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtSwitch{
-				Position: &position.Position{
-					StartLine: 2,
-					EndLine:   5,
-					StartPos:  5,
-					EndPos:    53,
-				},
-				SwitchTkn: &token.Token{
-					ID:    token.T_SWITCH,
-					Value: []byte("switch"),
-					Position: &position.Position{
-						StartLine: 2,
-						EndLine:   2,
-						StartPos:  5,
-						EndPos:    11,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_OPEN_TAG,
-							Value: []byte("<?"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  0,
-								EndPos:    2,
-							},
-						},
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte("\n\t\t"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   2,
-								StartPos:  2,
-								EndPos:    5,
-							},
-						},
-					},
-				},
-				OpenParenthesisTkn: &token.Token{
-					ID:    token.ID(40),
-					Value: []byte("("),
-					Position: &position.Position{
-						StartLine: 2,
-						EndLine:   2,
-						StartPos:  12,
-						EndPos:    13,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 2,
-								EndLine:   2,
-								StartPos:  11,
-								EndPos:    12,
-							},
-						},
-					},
-				},
-				Cond: &ast.ScalarLnumber{
-					Position: &position.Position{
-						StartLine: 2,
-						EndLine:   2,
-						StartPos:  13,
-						EndPos:    14,
-					},
-					NumberTkn: &token.Token{
-						ID:    token.T_LNUMBER,
-						Value: []byte("1"),
-						Position: &position.Position{
-							StartLine: 2,
-							EndLine:   2,
-							StartPos:  13,
-							EndPos:    14,
-						},
-					},
-					Value: []byte("1"),
-				},
-				CloseParenthesisTkn: &token.Token{
-					ID:    token.ID(41),
-					Value: []byte(")"),
-					Position: &position.Position{
-						StartLine: 2,
-						EndLine:   2,
-						StartPos:  14,
-						EndPos:    15,
-					},
-				},
-				ColonTkn: &token.Token{
-					ID:    token.ID(58),
-					Value: []byte(":"),
-					Position: &position.Position{
-						StartLine: 2,
-						EndLine:   2,
-						StartPos:  16,
-						EndPos:    17,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 2,
-								EndLine:   2,
-								StartPos:  15,
-								EndPos:    16,
-							},
-						},
-					},
-				},
-				CaseSeparatorTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 2,
-						EndLine:   2,
-						StartPos:  17,
-						EndPos:    18,
-					},
-				},
-				Cases: []ast.Vertex{
-					&ast.StmtCase{
-						Position: &position.Position{
-							StartLine: 3,
-							EndLine:   -1,
-							StartPos:  22,
-							EndPos:    -1,
-						},
-						CaseTkn: &token.Token{
-							ID:    token.T_CASE,
-							Value: []byte("case"),
-							Position: &position.Position{
-								StartLine: 3,
-								EndLine:   3,
-								StartPos:  22,
-								EndPos:    26,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte("\n\t\t\t"),
-									Position: &position.Position{
-										StartLine: 2,
-										EndLine:   3,
-										StartPos:  18,
-										EndPos:    22,
-									},
-								},
-							},
-						},
-						Cond: &ast.ScalarLnumber{
-							Position: &position.Position{
-								StartLine: 3,
-								EndLine:   3,
-								StartPos:  27,
-								EndPos:    28,
-							},
-							NumberTkn: &token.Token{
-								ID:    token.T_LNUMBER,
-								Value: []byte("1"),
-								Position: &position.Position{
-									StartLine: 3,
-									EndLine:   3,
-									StartPos:  27,
-									EndPos:    28,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 3,
-											EndLine:   3,
-											StartPos:  26,
-											EndPos:    27,
-										},
-									},
-								},
-							},
-							Value: []byte("1"),
-						},
-						CaseSeparatorTkn: &token.Token{
-							ID:    token.ID(59),
-							Value: []byte(";"),
-							Position: &position.Position{
-								StartLine: 3,
-								EndLine:   3,
-								StartPos:  28,
-								EndPos:    29,
-							},
-						},
-						Stmts: []ast.Vertex{},
-					},
-					&ast.StmtCase{
-						Position: &position.Position{
-							StartLine: 4,
-							EndLine:   -1,
-							StartPos:  33,
-							EndPos:    -1,
-						},
-						CaseTkn: &token.Token{
-							ID:    token.T_CASE,
-							Value: []byte("case"),
-							Position: &position.Position{
-								StartLine: 4,
-								EndLine:   4,
-								StartPos:  33,
-								EndPos:    37,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte("\n\t\t\t"),
-									Position: &position.Position{
-										StartLine: 3,
-										EndLine:   4,
-										StartPos:  29,
-										EndPos:    33,
-									},
-								},
-							},
-						},
-						Cond: &ast.ScalarLnumber{
-							Position: &position.Position{
-								StartLine: 4,
-								EndLine:   4,
-								StartPos:  38,
-								EndPos:    39,
-							},
-							NumberTkn: &token.Token{
-								ID:    token.T_LNUMBER,
-								Value: []byte("2"),
-								Position: &position.Position{
-									StartLine: 4,
-									EndLine:   4,
-									StartPos:  38,
-									EndPos:    39,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 4,
-											EndLine:   4,
-											StartPos:  37,
-											EndPos:    38,
-										},
-									},
-								},
-							},
-							Value: []byte("2"),
-						},
-						CaseSeparatorTkn: &token.Token{
-							ID:    token.ID(59),
-							Value: []byte(";"),
-							Position: &position.Position{
-								StartLine: 4,
-								EndLine:   4,
-								StartPos:  39,
-								EndPos:    40,
-							},
-						},
-						Stmts: []ast.Vertex{},
-					},
-				},
-				EndSwitchTkn: &token.Token{
-					ID:    token.T_ENDSWITCH,
-					Value: []byte("endswitch"),
-					Position: &position.Position{
-						StartLine: 5,
-						EndLine:   5,
-						StartPos:  43,
-						EndPos:    52,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte("\n\t\t"),
-							Position: &position.Position{
-								StartLine: 4,
-								EndLine:   5,
-								StartPos:  40,
-								EndPos:    43,
-							},
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 5,
-						EndLine:   5,
-						StartPos:  52,
-						EndPos:    53,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestStmtThrow(t *testing.T) {
-	src := `<? throw $e;`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    12,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtThrow{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    12,
-				},
-				ThrowTkn: &token.Token{
-					ID:    token.T_THROW,
-					Value: []byte("throw"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    8,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_OPEN_TAG,
-							Value: []byte("<?"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  0,
-								EndPos:    2,
-							},
-						},
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  2,
-								EndPos:    3,
-							},
-						},
-					},
-				},
-				Expr: &ast.ExprVariable{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  9,
-						EndPos:    11,
-					},
-					Name: &ast.Identifier{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  9,
-							EndPos:    11,
-						},
-						IdentifierTkn: &token.Token{
-							ID:    token.T_VARIABLE,
-							Value: []byte("$e"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  9,
-								EndPos:    11,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  8,
-										EndPos:    9,
-									},
-								},
-							},
-						},
-						Value: []byte("$e"),
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  11,
-						EndPos:    12,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestStmtTrait(t *testing.T) {
-	src := `<? trait Foo {}`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    15,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtTrait{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    15,
-				},
-				TraitTkn: &token.Token{
-					ID:    token.T_TRAIT,
-					Value: []byte("trait"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    8,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_OPEN_TAG,
-							Value: []byte("<?"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  0,
-								EndPos:    2,
-							},
-						},
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  2,
-								EndPos:    3,
-							},
-						},
-					},
-				},
-				Name: &ast.Identifier{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  9,
-						EndPos:    12,
-					},
-					IdentifierTkn: &token.Token{
-						ID:    token.T_STRING,
-						Value: []byte("Foo"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  9,
-							EndPos:    12,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  8,
-									EndPos:    9,
-								},
-							},
-						},
-					},
-					Value: []byte("Foo"),
-				},
-				OpenCurlyBracketTkn: &token.Token{
-					ID:    token.ID(123),
-					Value: []byte("{"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  13,
-						EndPos:    14,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  12,
-								EndPos:    13,
-							},
-						},
-					},
-				},
-				Stmts: []ast.Vertex{},
-				CloseCurlyBracketTkn: &token.Token{
-					ID:    token.ID(125),
-					Value: []byte("}"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  14,
-						EndPos:    15,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestStmtTraitUse(t *testing.T) {
-	src := `<? class Foo { use Bar; }`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    25,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtClass{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    25,
-				},
-				ClassTkn: &token.Token{
-					ID:    token.T_CLASS,
-					Value: []byte("class"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    8,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_OPEN_TAG,
-							Value: []byte("<?"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  0,
-								EndPos:    2,
-							},
-						},
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  2,
-								EndPos:    3,
-							},
-						},
-					},
-				},
-				Name: &ast.Identifier{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  9,
-						EndPos:    12,
-					},
-					IdentifierTkn: &token.Token{
-						ID:    token.T_STRING,
-						Value: []byte("Foo"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  9,
-							EndPos:    12,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  8,
-									EndPos:    9,
-								},
-							},
-						},
-					},
-					Value: []byte("Foo"),
-				},
-				OpenCurlyBracketTkn: &token.Token{
-					ID:    token.ID(123),
-					Value: []byte("{"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  13,
-						EndPos:    14,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  12,
-								EndPos:    13,
-							},
-						},
-					},
-				},
-				Stmts: []ast.Vertex{
-					&ast.StmtTraitUse{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  15,
-							EndPos:    23,
-						},
-						UseTkn: &token.Token{
-							ID:    token.T_USE,
-							Value: []byte("use"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  15,
-								EndPos:    18,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  14,
-										EndPos:    15,
-									},
-								},
-							},
-						},
-						Traits: []ast.Vertex{
-							&ast.Name{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  19,
-									EndPos:    22,
-								},
-								Parts: []ast.Vertex{
-									&ast.NamePart{
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  19,
-											EndPos:    22,
-										},
-										StringTkn: &token.Token{
-											ID:    token.T_STRING,
-											Value: []byte("Bar"),
-											Position: &position.Position{
-												StartLine: 1,
-												EndLine:   1,
-												StartPos:  19,
-												EndPos:    22,
-											},
-											FreeFloating: []*token.Token{
-												{
-													ID:    token.T_WHITESPACE,
-													Value: []byte(" "),
-													Position: &position.Position{
-														StartLine: 1,
-														EndLine:   1,
-														StartPos:  18,
-														EndPos:    19,
-													},
-												},
-											},
-										},
-										Value: []byte("Bar"),
-									},
-								},
-							},
-						},
-						SemiColonTkn: &token.Token{
-							ID:    token.ID(59),
-							Value: []byte(";"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  22,
-								EndPos:    23,
-							},
-						},
-					},
-				},
-				CloseCurlyBracketTkn: &token.Token{
-					ID:    token.ID(125),
-					Value: []byte("}"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  24,
-						EndPos:    25,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  23,
-								EndPos:    24,
-							},
-						},
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestStmtTraitUse_Uses(t *testing.T) {
-	src := `<? class Foo { use Bar, Baz; }`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    30,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtClass{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    30,
-				},
-				ClassTkn: &token.Token{
-					ID:    token.T_CLASS,
-					Value: []byte("class"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    8,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_OPEN_TAG,
-							Value: []byte("<?"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  0,
-								EndPos:    2,
-							},
-						},
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  2,
-								EndPos:    3,
-							},
-						},
-					},
-				},
-				Name: &ast.Identifier{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  9,
-						EndPos:    12,
-					},
-					IdentifierTkn: &token.Token{
-						ID:    token.T_STRING,
-						Value: []byte("Foo"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  9,
-							EndPos:    12,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  8,
-									EndPos:    9,
-								},
-							},
-						},
-					},
-					Value: []byte("Foo"),
-				},
-				OpenCurlyBracketTkn: &token.Token{
-					ID:    token.ID(123),
-					Value: []byte("{"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  13,
-						EndPos:    14,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  12,
-								EndPos:    13,
-							},
-						},
-					},
-				},
-				Stmts: []ast.Vertex{
-					&ast.StmtTraitUse{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  15,
-							EndPos:    28,
-						},
-						UseTkn: &token.Token{
-							ID:    token.T_USE,
-							Value: []byte("use"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  15,
-								EndPos:    18,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  14,
-										EndPos:    15,
-									},
-								},
-							},
-						},
-						Traits: []ast.Vertex{
-							&ast.Name{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  19,
-									EndPos:    22,
-								},
-								Parts: []ast.Vertex{
-									&ast.NamePart{
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  19,
-											EndPos:    22,
-										},
-										StringTkn: &token.Token{
-											ID:    token.T_STRING,
-											Value: []byte("Bar"),
-											Position: &position.Position{
-												StartLine: 1,
-												EndLine:   1,
-												StartPos:  19,
-												EndPos:    22,
-											},
-											FreeFloating: []*token.Token{
-												{
-													ID:    token.T_WHITESPACE,
-													Value: []byte(" "),
-													Position: &position.Position{
-														StartLine: 1,
-														EndLine:   1,
-														StartPos:  18,
-														EndPos:    19,
-													},
-												},
-											},
-										},
-										Value: []byte("Bar"),
-									},
-								},
-							},
-							&ast.Name{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  24,
-									EndPos:    27,
-								},
-								Parts: []ast.Vertex{
-									&ast.NamePart{
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  24,
-											EndPos:    27,
-										},
-										StringTkn: &token.Token{
-											ID:    token.T_STRING,
-											Value: []byte("Baz"),
-											Position: &position.Position{
-												StartLine: 1,
-												EndLine:   1,
-												StartPos:  24,
-												EndPos:    27,
-											},
-											FreeFloating: []*token.Token{
-												{
-													ID:    token.T_WHITESPACE,
-													Value: []byte(" "),
-													Position: &position.Position{
-														StartLine: 1,
-														EndLine:   1,
-														StartPos:  23,
-														EndPos:    24,
-													},
-												},
-											},
-										},
-										Value: []byte("Baz"),
-									},
-								},
-							},
-						},
-						SeparatorTkns: []*token.Token{
-							{
-								ID:    token.ID(44),
-								Value: []byte(","),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  22,
-									EndPos:    23,
-								},
-							},
-						},
-						SemiColonTkn: &token.Token{
-							ID:    token.ID(59),
-							Value: []byte(";"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  27,
-								EndPos:    28,
-							},
-						},
-					},
-				},
-				CloseCurlyBracketTkn: &token.Token{
-					ID:    token.ID(125),
-					Value: []byte("}"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  29,
-						EndPos:    30,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  28,
-								EndPos:    29,
-							},
-						},
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestStmtTraitUse_EmptyAdaptations(t *testing.T) {
-	src := `<? class Foo { use Bar, Baz {} }`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    32,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtClass{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    32,
-				},
-				ClassTkn: &token.Token{
-					ID:    token.T_CLASS,
-					Value: []byte("class"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    8,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_OPEN_TAG,
-							Value: []byte("<?"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  0,
-								EndPos:    2,
-							},
-						},
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  2,
-								EndPos:    3,
-							},
-						},
-					},
-				},
-				Name: &ast.Identifier{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  9,
-						EndPos:    12,
-					},
-					IdentifierTkn: &token.Token{
-						ID:    token.T_STRING,
-						Value: []byte("Foo"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  9,
-							EndPos:    12,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  8,
-									EndPos:    9,
-								},
-							},
-						},
-					},
-					Value: []byte("Foo"),
-				},
-				OpenCurlyBracketTkn: &token.Token{
-					ID:    token.ID(123),
-					Value: []byte("{"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  13,
-						EndPos:    14,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  12,
-								EndPos:    13,
-							},
-						},
-					},
-				},
-				Stmts: []ast.Vertex{
-					&ast.StmtTraitUse{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  15,
-							EndPos:    30,
-						},
-						UseTkn: &token.Token{
-							ID:    token.T_USE,
-							Value: []byte("use"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  15,
-								EndPos:    18,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  14,
-										EndPos:    15,
-									},
-								},
-							},
-						},
-						Traits: []ast.Vertex{
-							&ast.Name{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  19,
-									EndPos:    22,
-								},
-								Parts: []ast.Vertex{
-									&ast.NamePart{
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  19,
-											EndPos:    22,
-										},
-										StringTkn: &token.Token{
-											ID:    token.T_STRING,
-											Value: []byte("Bar"),
-											Position: &position.Position{
-												StartLine: 1,
-												EndLine:   1,
-												StartPos:  19,
-												EndPos:    22,
-											},
-											FreeFloating: []*token.Token{
-												{
-													ID:    token.T_WHITESPACE,
-													Value: []byte(" "),
-													Position: &position.Position{
-														StartLine: 1,
-														EndLine:   1,
-														StartPos:  18,
-														EndPos:    19,
-													},
-												},
-											},
-										},
-										Value: []byte("Bar"),
-									},
-								},
-							},
-							&ast.Name{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  24,
-									EndPos:    27,
-								},
-								Parts: []ast.Vertex{
-									&ast.NamePart{
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  24,
-											EndPos:    27,
-										},
-										StringTkn: &token.Token{
-											ID:    token.T_STRING,
-											Value: []byte("Baz"),
-											Position: &position.Position{
-												StartLine: 1,
-												EndLine:   1,
-												StartPos:  24,
-												EndPos:    27,
-											},
-											FreeFloating: []*token.Token{
-												{
-													ID:    token.T_WHITESPACE,
-													Value: []byte(" "),
-													Position: &position.Position{
-														StartLine: 1,
-														EndLine:   1,
-														StartPos:  23,
-														EndPos:    24,
-													},
-												},
-											},
-										},
-										Value: []byte("Baz"),
-									},
-								},
-							},
-						},
-						SeparatorTkns: []*token.Token{
-							{
-								ID:    token.ID(44),
-								Value: []byte(","),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  22,
-									EndPos:    23,
-								},
-							},
-						},
-						OpenCurlyBracketTkn: &token.Token{
-							ID:    token.ID(123),
-							Value: []byte("{"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  28,
-								EndPos:    29,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  27,
-										EndPos:    28,
-									},
-								},
-							},
-						},
-						CloseCurlyBracketTkn: &token.Token{
-							ID:    token.ID(125),
-							Value: []byte("}"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  29,
-								EndPos:    30,
-							},
-						},
-					},
-				},
-				CloseCurlyBracketTkn: &token.Token{
-					ID:    token.ID(125),
-					Value: []byte("}"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  31,
-						EndPos:    32,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  30,
-								EndPos:    31,
-							},
-						},
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestStmtTraitUse_Modifier(t *testing.T) {
-	src := `<? class Foo { use Bar, Baz { one as public; } }`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    48,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtClass{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    48,
-				},
-				ClassTkn: &token.Token{
-					ID:    token.T_CLASS,
-					Value: []byte("class"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    8,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_OPEN_TAG,
-							Value: []byte("<?"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  0,
-								EndPos:    2,
-							},
-						},
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  2,
-								EndPos:    3,
-							},
-						},
-					},
-				},
-				Name: &ast.Identifier{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  9,
-						EndPos:    12,
-					},
-					IdentifierTkn: &token.Token{
-						ID:    token.T_STRING,
-						Value: []byte("Foo"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  9,
-							EndPos:    12,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  8,
-									EndPos:    9,
-								},
-							},
-						},
-					},
-					Value: []byte("Foo"),
-				},
-				OpenCurlyBracketTkn: &token.Token{
-					ID:    token.ID(123),
-					Value: []byte("{"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  13,
-						EndPos:    14,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  12,
-								EndPos:    13,
-							},
-						},
-					},
-				},
-				Stmts: []ast.Vertex{
-					&ast.StmtTraitUse{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  15,
-							EndPos:    46,
-						},
-						UseTkn: &token.Token{
-							ID:    token.T_USE,
-							Value: []byte("use"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  15,
-								EndPos:    18,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  14,
-										EndPos:    15,
-									},
-								},
-							},
-						},
-						Traits: []ast.Vertex{
-							&ast.Name{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  19,
-									EndPos:    22,
-								},
-								Parts: []ast.Vertex{
-									&ast.NamePart{
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  19,
-											EndPos:    22,
-										},
-										StringTkn: &token.Token{
-											ID:    token.T_STRING,
-											Value: []byte("Bar"),
-											Position: &position.Position{
-												StartLine: 1,
-												EndLine:   1,
-												StartPos:  19,
-												EndPos:    22,
-											},
-											FreeFloating: []*token.Token{
-												{
-													ID:    token.T_WHITESPACE,
-													Value: []byte(" "),
-													Position: &position.Position{
-														StartLine: 1,
-														EndLine:   1,
-														StartPos:  18,
-														EndPos:    19,
-													},
-												},
-											},
-										},
-										Value: []byte("Bar"),
-									},
-								},
-							},
-							&ast.Name{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  24,
-									EndPos:    27,
-								},
-								Parts: []ast.Vertex{
-									&ast.NamePart{
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  24,
-											EndPos:    27,
-										},
-										StringTkn: &token.Token{
-											ID:    token.T_STRING,
-											Value: []byte("Baz"),
-											Position: &position.Position{
-												StartLine: 1,
-												EndLine:   1,
-												StartPos:  24,
-												EndPos:    27,
-											},
-											FreeFloating: []*token.Token{
-												{
-													ID:    token.T_WHITESPACE,
-													Value: []byte(" "),
-													Position: &position.Position{
-														StartLine: 1,
-														EndLine:   1,
-														StartPos:  23,
-														EndPos:    24,
-													},
-												},
-											},
-										},
-										Value: []byte("Baz"),
-									},
-								},
-							},
-						},
-						SeparatorTkns: []*token.Token{
-							{
-								ID:    token.ID(44),
-								Value: []byte(","),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  22,
-									EndPos:    23,
-								},
-							},
-						},
-						OpenCurlyBracketTkn: &token.Token{
-							ID:    token.ID(123),
-							Value: []byte("{"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  28,
-								EndPos:    29,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  27,
-										EndPos:    28,
-									},
-								},
-							},
-						},
-						Adaptations: []ast.Vertex{
-							&ast.StmtTraitUseAlias{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  30,
-									EndPos:    43,
-								},
-								Method: &ast.Identifier{
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  30,
-										EndPos:    33,
-									},
-									IdentifierTkn: &token.Token{
-										ID:    token.T_STRING,
-										Value: []byte("one"),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  30,
-											EndPos:    33,
-										},
-										FreeFloating: []*token.Token{
-											{
-												ID:    token.T_WHITESPACE,
-												Value: []byte(" "),
-												Position: &position.Position{
-													StartLine: 1,
-													EndLine:   1,
-													StartPos:  29,
-													EndPos:    30,
-												},
-											},
-										},
-									},
-									Value: []byte("one"),
-								},
-								AsTkn: &token.Token{
-									ID:    token.T_AS,
-									Value: []byte("as"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  34,
-										EndPos:    36,
-									},
-									FreeFloating: []*token.Token{
-										{
-											ID:    token.T_WHITESPACE,
-											Value: []byte(" "),
-											Position: &position.Position{
-												StartLine: 1,
-												EndLine:   1,
-												StartPos:  33,
-												EndPos:    34,
-											},
-										},
-									},
-								},
-								Modifier: &ast.Identifier{
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  37,
-										EndPos:    43,
-									},
-									IdentifierTkn: &token.Token{
-										ID:    token.T_PUBLIC,
-										Value: []byte("public"),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  37,
-											EndPos:    43,
-										},
-										FreeFloating: []*token.Token{
-											{
-												ID:    token.T_WHITESPACE,
-												Value: []byte(" "),
-												Position: &position.Position{
-													StartLine: 1,
-													EndLine:   1,
-													StartPos:  36,
-													EndPos:    37,
-												},
-											},
-										},
-									},
-									Value: []byte("public"),
-								},
-								SemiColonTkn: &token.Token{
-									ID:    token.ID(59),
-									Value: []byte(";"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  43,
-										EndPos:    44,
-									},
-								},
-							},
-						},
-						CloseCurlyBracketTkn: &token.Token{
-							ID:    token.ID(125),
-							Value: []byte("}"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  45,
-								EndPos:    46,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  44,
-										EndPos:    45,
-									},
-								},
-							},
-						},
-					},
-				},
-				CloseCurlyBracketTkn: &token.Token{
-					ID:    token.ID(125),
-					Value: []byte("}"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  47,
-						EndPos:    48,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  46,
-								EndPos:    47,
-							},
-						},
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestStmtTraitUse_AliasModifier(t *testing.T) {
-	src := `<? class Foo { use Bar, Baz { one as public two; } }`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    52,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtClass{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    52,
-				},
-				ClassTkn: &token.Token{
-					ID:    token.T_CLASS,
-					Value: []byte("class"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    8,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_OPEN_TAG,
-							Value: []byte("<?"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  0,
-								EndPos:    2,
-							},
-						},
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  2,
-								EndPos:    3,
-							},
-						},
-					},
-				},
-				Name: &ast.Identifier{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  9,
-						EndPos:    12,
-					},
-					IdentifierTkn: &token.Token{
-						ID:    token.T_STRING,
-						Value: []byte("Foo"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  9,
-							EndPos:    12,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  8,
-									EndPos:    9,
-								},
-							},
-						},
-					},
-					Value: []byte("Foo"),
-				},
-				OpenCurlyBracketTkn: &token.Token{
-					ID:    token.ID(123),
-					Value: []byte("{"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  13,
-						EndPos:    14,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  12,
-								EndPos:    13,
-							},
-						},
-					},
-				},
-				Stmts: []ast.Vertex{
-					&ast.StmtTraitUse{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  15,
-							EndPos:    50,
-						},
-						UseTkn: &token.Token{
-							ID:    token.T_USE,
-							Value: []byte("use"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  15,
-								EndPos:    18,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  14,
-										EndPos:    15,
-									},
-								},
-							},
-						},
-						Traits: []ast.Vertex{
-							&ast.Name{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  19,
-									EndPos:    22,
-								},
-								Parts: []ast.Vertex{
-									&ast.NamePart{
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  19,
-											EndPos:    22,
-										},
-										StringTkn: &token.Token{
-											ID:    token.T_STRING,
-											Value: []byte("Bar"),
-											Position: &position.Position{
-												StartLine: 1,
-												EndLine:   1,
-												StartPos:  19,
-												EndPos:    22,
-											},
-											FreeFloating: []*token.Token{
-												{
-													ID:    token.T_WHITESPACE,
-													Value: []byte(" "),
-													Position: &position.Position{
-														StartLine: 1,
-														EndLine:   1,
-														StartPos:  18,
-														EndPos:    19,
-													},
-												},
-											},
-										},
-										Value: []byte("Bar"),
-									},
-								},
-							},
-							&ast.Name{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  24,
-									EndPos:    27,
-								},
-								Parts: []ast.Vertex{
-									&ast.NamePart{
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  24,
-											EndPos:    27,
-										},
-										StringTkn: &token.Token{
-											ID:    token.T_STRING,
-											Value: []byte("Baz"),
-											Position: &position.Position{
-												StartLine: 1,
-												EndLine:   1,
-												StartPos:  24,
-												EndPos:    27,
-											},
-											FreeFloating: []*token.Token{
-												{
-													ID:    token.T_WHITESPACE,
-													Value: []byte(" "),
-													Position: &position.Position{
-														StartLine: 1,
-														EndLine:   1,
-														StartPos:  23,
-														EndPos:    24,
-													},
-												},
-											},
-										},
-										Value: []byte("Baz"),
-									},
-								},
-							},
-						},
-						SeparatorTkns: []*token.Token{
-							{
-								ID:    token.ID(44),
-								Value: []byte(","),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  22,
-									EndPos:    23,
-								},
-							},
-						},
-						OpenCurlyBracketTkn: &token.Token{
-							ID:    token.ID(123),
-							Value: []byte("{"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  28,
-								EndPos:    29,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  27,
-										EndPos:    28,
-									},
-								},
-							},
-						},
-						Adaptations: []ast.Vertex{
-							&ast.StmtTraitUseAlias{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  30,
-									EndPos:    47,
-								},
-								Method: &ast.Identifier{
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  30,
-										EndPos:    33,
-									},
-									IdentifierTkn: &token.Token{
-										ID:    token.T_STRING,
-										Value: []byte("one"),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  30,
-											EndPos:    33,
-										},
-										FreeFloating: []*token.Token{
-											{
-												ID:    token.T_WHITESPACE,
-												Value: []byte(" "),
-												Position: &position.Position{
-													StartLine: 1,
-													EndLine:   1,
-													StartPos:  29,
-													EndPos:    30,
-												},
-											},
-										},
-									},
-									Value: []byte("one"),
-								},
-								AsTkn: &token.Token{
-									ID:    token.T_AS,
-									Value: []byte("as"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  34,
-										EndPos:    36,
-									},
-									FreeFloating: []*token.Token{
-										{
-											ID:    token.T_WHITESPACE,
-											Value: []byte(" "),
-											Position: &position.Position{
-												StartLine: 1,
-												EndLine:   1,
-												StartPos:  33,
-												EndPos:    34,
-											},
-										},
-									},
-								},
-								Modifier: &ast.Identifier{
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  37,
-										EndPos:    43,
-									},
-									IdentifierTkn: &token.Token{
-										ID:    token.T_PUBLIC,
-										Value: []byte("public"),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  37,
-											EndPos:    43,
-										},
-										FreeFloating: []*token.Token{
-											{
-												ID:    token.T_WHITESPACE,
-												Value: []byte(" "),
-												Position: &position.Position{
-													StartLine: 1,
-													EndLine:   1,
-													StartPos:  36,
-													EndPos:    37,
-												},
-											},
-										},
-									},
-									Value: []byte("public"),
-								},
-								Alias: &ast.Identifier{
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  44,
-										EndPos:    47,
-									},
-									IdentifierTkn: &token.Token{
-										ID:    token.T_STRING,
-										Value: []byte("two"),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  44,
-											EndPos:    47,
-										},
-										FreeFloating: []*token.Token{
-											{
-												ID:    token.T_WHITESPACE,
-												Value: []byte(" "),
-												Position: &position.Position{
-													StartLine: 1,
-													EndLine:   1,
-													StartPos:  43,
-													EndPos:    44,
-												},
-											},
-										},
-									},
-									Value: []byte("two"),
-								},
-								SemiColonTkn: &token.Token{
-									ID:    token.ID(59),
-									Value: []byte(";"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  47,
-										EndPos:    48,
-									},
-								},
-							},
-						},
-						CloseCurlyBracketTkn: &token.Token{
-							ID:    token.ID(125),
-							Value: []byte("}"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  49,
-								EndPos:    50,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  48,
-										EndPos:    49,
-									},
-								},
-							},
-						},
-					},
-				},
-				CloseCurlyBracketTkn: &token.Token{
-					ID:    token.ID(125),
-					Value: []byte("}"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  51,
-						EndPos:    52,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  50,
-								EndPos:    51,
-							},
-						},
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestStmtTraitUse_Adaptions(t *testing.T) {
-	src := `<? class Foo { use Bar, Baz { Bar::one insteadof Baz, Quux; Baz::one as two; } }`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    80,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtClass{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    80,
-				},
-				ClassTkn: &token.Token{
-					ID:    token.T_CLASS,
-					Value: []byte("class"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    8,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_OPEN_TAG,
-							Value: []byte("<?"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  0,
-								EndPos:    2,
-							},
-						},
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  2,
-								EndPos:    3,
-							},
-						},
-					},
-				},
-				Name: &ast.Identifier{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  9,
-						EndPos:    12,
-					},
-					IdentifierTkn: &token.Token{
-						ID:    token.T_STRING,
-						Value: []byte("Foo"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  9,
-							EndPos:    12,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  8,
-									EndPos:    9,
-								},
-							},
-						},
-					},
-					Value: []byte("Foo"),
-				},
-				OpenCurlyBracketTkn: &token.Token{
-					ID:    token.ID(123),
-					Value: []byte("{"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  13,
-						EndPos:    14,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  12,
-								EndPos:    13,
-							},
-						},
-					},
-				},
-				Stmts: []ast.Vertex{
-					&ast.StmtTraitUse{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  15,
-							EndPos:    78,
-						},
-						UseTkn: &token.Token{
-							ID:    token.T_USE,
-							Value: []byte("use"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  15,
-								EndPos:    18,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  14,
-										EndPos:    15,
-									},
-								},
-							},
-						},
-						Traits: []ast.Vertex{
-							&ast.Name{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  19,
-									EndPos:    22,
-								},
-								Parts: []ast.Vertex{
-									&ast.NamePart{
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  19,
-											EndPos:    22,
-										},
-										StringTkn: &token.Token{
-											ID:    token.T_STRING,
-											Value: []byte("Bar"),
-											Position: &position.Position{
-												StartLine: 1,
-												EndLine:   1,
-												StartPos:  19,
-												EndPos:    22,
-											},
-											FreeFloating: []*token.Token{
-												{
-													ID:    token.T_WHITESPACE,
-													Value: []byte(" "),
-													Position: &position.Position{
-														StartLine: 1,
-														EndLine:   1,
-														StartPos:  18,
-														EndPos:    19,
-													},
-												},
-											},
-										},
-										Value: []byte("Bar"),
-									},
-								},
-							},
-							&ast.Name{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  24,
-									EndPos:    27,
-								},
-								Parts: []ast.Vertex{
-									&ast.NamePart{
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  24,
-											EndPos:    27,
-										},
-										StringTkn: &token.Token{
-											ID:    token.T_STRING,
-											Value: []byte("Baz"),
-											Position: &position.Position{
-												StartLine: 1,
-												EndLine:   1,
-												StartPos:  24,
-												EndPos:    27,
-											},
-											FreeFloating: []*token.Token{
-												{
-													ID:    token.T_WHITESPACE,
-													Value: []byte(" "),
-													Position: &position.Position{
-														StartLine: 1,
-														EndLine:   1,
-														StartPos:  23,
-														EndPos:    24,
-													},
-												},
-											},
-										},
-										Value: []byte("Baz"),
-									},
-								},
-							},
-						},
-						SeparatorTkns: []*token.Token{
-							{
-								ID:    token.ID(44),
-								Value: []byte(","),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  22,
-									EndPos:    23,
-								},
-							},
-						},
-						OpenCurlyBracketTkn: &token.Token{
-							ID:    token.ID(123),
-							Value: []byte("{"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  28,
-								EndPos:    29,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  27,
-										EndPos:    28,
-									},
-								},
-							},
-						},
-						Adaptations: []ast.Vertex{
-							&ast.StmtTraitUsePrecedence{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  30,
-									EndPos:    58,
-								},
-								Trait: &ast.Name{
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  30,
-										EndPos:    33,
-									},
-									Parts: []ast.Vertex{
-										&ast.NamePart{
-											Position: &position.Position{
-												StartLine: 1,
-												EndLine:   1,
-												StartPos:  30,
-												EndPos:    33,
-											},
-											StringTkn: &token.Token{
-												ID:    token.T_STRING,
-												Value: []byte("Bar"),
-												Position: &position.Position{
-													StartLine: 1,
-													EndLine:   1,
-													StartPos:  30,
-													EndPos:    33,
-												},
-												FreeFloating: []*token.Token{
-													{
-														ID:    token.T_WHITESPACE,
-														Value: []byte(" "),
-														Position: &position.Position{
-															StartLine: 1,
-															EndLine:   1,
-															StartPos:  29,
-															EndPos:    30,
-														},
-													},
-												},
-											},
-											Value: []byte("Bar"),
-										},
-									},
-								},
-								DoubleColonTkn: &token.Token{
-									ID:    token.T_PAAMAYIM_NEKUDOTAYIM,
-									Value: []byte("::"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  33,
-										EndPos:    35,
-									},
-								},
-								Method: &ast.Identifier{
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  35,
-										EndPos:    38,
-									},
-									IdentifierTkn: &token.Token{
-										ID:    token.T_STRING,
-										Value: []byte("one"),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  35,
-											EndPos:    38,
-										},
-									},
-									Value: []byte("one"),
-								},
-								InsteadofTkn: &token.Token{
-									ID:    token.T_INSTEADOF,
-									Value: []byte("insteadof"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  39,
-										EndPos:    48,
-									},
-									FreeFloating: []*token.Token{
-										{
-											ID:    token.T_WHITESPACE,
-											Value: []byte(" "),
-											Position: &position.Position{
-												StartLine: 1,
-												EndLine:   1,
-												StartPos:  38,
-												EndPos:    39,
-											},
-										},
-									},
-								},
-								Insteadof: []ast.Vertex{
-									&ast.Name{
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  49,
-											EndPos:    52,
-										},
-										Parts: []ast.Vertex{
-											&ast.NamePart{
-												Position: &position.Position{
-													StartLine: 1,
-													EndLine:   1,
-													StartPos:  49,
-													EndPos:    52,
-												},
-												StringTkn: &token.Token{
-													ID:    token.T_STRING,
-													Value: []byte("Baz"),
-													Position: &position.Position{
-														StartLine: 1,
-														EndLine:   1,
-														StartPos:  49,
-														EndPos:    52,
-													},
-													FreeFloating: []*token.Token{
-														{
-															ID:    token.T_WHITESPACE,
-															Value: []byte(" "),
-															Position: &position.Position{
-																StartLine: 1,
-																EndLine:   1,
-																StartPos:  48,
-																EndPos:    49,
-															},
-														},
-													},
-												},
-												Value: []byte("Baz"),
-											},
-										},
-									},
-									&ast.Name{
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  54,
-											EndPos:    58,
-										},
-										Parts: []ast.Vertex{
-											&ast.NamePart{
-												Position: &position.Position{
-													StartLine: 1,
-													EndLine:   1,
-													StartPos:  54,
-													EndPos:    58,
-												},
-												StringTkn: &token.Token{
-													ID:    token.T_STRING,
-													Value: []byte("Quux"),
-													Position: &position.Position{
-														StartLine: 1,
-														EndLine:   1,
-														StartPos:  54,
-														EndPos:    58,
-													},
-													FreeFloating: []*token.Token{
-														{
-															ID:    token.T_WHITESPACE,
-															Value: []byte(" "),
-															Position: &position.Position{
-																StartLine: 1,
-																EndLine:   1,
-																StartPos:  53,
-																EndPos:    54,
-															},
-														},
-													},
-												},
-												Value: []byte("Quux"),
-											},
-										},
-									},
-								},
-								SeparatorTkns: []*token.Token{
-									{
-										ID:    token.ID(44),
-										Value: []byte(","),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  52,
-											EndPos:    53,
-										},
-									},
-								},
-								SemiColonTkn: &token.Token{
-									ID:    token.ID(59),
-									Value: []byte(";"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  58,
-										EndPos:    59,
-									},
-								},
-							},
-							&ast.StmtTraitUseAlias{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  60,
-									EndPos:    75,
-								},
-								Trait: &ast.Name{
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  60,
-										EndPos:    63,
-									},
-									Parts: []ast.Vertex{
-										&ast.NamePart{
-											Position: &position.Position{
-												StartLine: 1,
-												EndLine:   1,
-												StartPos:  60,
-												EndPos:    63,
-											},
-											StringTkn: &token.Token{
-												ID:    token.T_STRING,
-												Value: []byte("Baz"),
-												Position: &position.Position{
-													StartLine: 1,
-													EndLine:   1,
-													StartPos:  60,
-													EndPos:    63,
-												},
-												FreeFloating: []*token.Token{
-													{
-														ID:    token.T_WHITESPACE,
-														Value: []byte(" "),
-														Position: &position.Position{
-															StartLine: 1,
-															EndLine:   1,
-															StartPos:  59,
-															EndPos:    60,
-														},
-													},
-												},
-											},
-											Value: []byte("Baz"),
-										},
-									},
-								},
-								DoubleColonTkn: &token.Token{
-									ID:    token.T_PAAMAYIM_NEKUDOTAYIM,
-									Value: []byte("::"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  63,
-										EndPos:    65,
-									},
-								},
-								Method: &ast.Identifier{
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  65,
-										EndPos:    68,
-									},
-									IdentifierTkn: &token.Token{
-										ID:    token.T_STRING,
-										Value: []byte("one"),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  65,
-											EndPos:    68,
-										},
-									},
-									Value: []byte("one"),
-								},
-								AsTkn: &token.Token{
-									ID:    token.T_AS,
-									Value: []byte("as"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  69,
-										EndPos:    71,
-									},
-									FreeFloating: []*token.Token{
-										{
-											ID:    token.T_WHITESPACE,
-											Value: []byte(" "),
-											Position: &position.Position{
-												StartLine: 1,
-												EndLine:   1,
-												StartPos:  68,
-												EndPos:    69,
-											},
-										},
-									},
-								},
-								Alias: &ast.Identifier{
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  72,
-										EndPos:    75,
-									},
-									IdentifierTkn: &token.Token{
-										ID:    token.T_STRING,
-										Value: []byte("two"),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  72,
-											EndPos:    75,
-										},
-										FreeFloating: []*token.Token{
-											{
-												ID:    token.T_WHITESPACE,
-												Value: []byte(" "),
-												Position: &position.Position{
-													StartLine: 1,
-													EndLine:   1,
-													StartPos:  71,
-													EndPos:    72,
-												},
-											},
-										},
-									},
-									Value: []byte("two"),
-								},
-								SemiColonTkn: &token.Token{
-									ID:    token.ID(59),
-									Value: []byte(";"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  75,
-										EndPos:    76,
-									},
-								},
-							},
-						},
-						CloseCurlyBracketTkn: &token.Token{
-							ID:    token.ID(125),
-							Value: []byte("}"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  77,
-								EndPos:    78,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  76,
-										EndPos:    77,
-									},
-								},
-							},
-						},
-					},
-				},
-				CloseCurlyBracketTkn: &token.Token{
-					ID:    token.ID(125),
-					Value: []byte("}"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  79,
-						EndPos:    80,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  78,
-								EndPos:    79,
-							},
-						},
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestStmtTry_Try(t *testing.T) {
-	src := `<?
-		try {}`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 2,
-			EndLine:   -1,
-			StartPos:  5,
-			EndPos:    -1,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtTry{
-				Position: &position.Position{
-					StartLine: 2,
-					EndLine:   -1,
-					StartPos:  5,
-					EndPos:    -1,
-				},
-				TryTkn: &token.Token{
-					ID:    token.T_TRY,
-					Value: []byte("try"),
-					Position: &position.Position{
-						StartLine: 2,
-						EndLine:   2,
-						StartPos:  5,
-						EndPos:    8,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_OPEN_TAG,
-							Value: []byte("<?"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  0,
-								EndPos:    2,
-							},
-						},
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte("\n\t\t"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   2,
-								StartPos:  2,
-								EndPos:    5,
-							},
-						},
-					},
-				},
-				OpenCurlyBracketTkn: &token.Token{
-					ID:    token.ID(123),
-					Value: []byte("{"),
-					Position: &position.Position{
-						StartLine: 2,
-						EndLine:   2,
-						StartPos:  9,
-						EndPos:    10,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 2,
-								EndLine:   2,
-								StartPos:  8,
-								EndPos:    9,
-							},
-						},
-					},
-				},
-				Stmts: []ast.Vertex{},
-				CloseCurlyBracketTkn: &token.Token{
-					ID:    token.ID(125),
-					Value: []byte("}"),
-					Position: &position.Position{
-						StartLine: 2,
-						EndLine:   2,
-						StartPos:  10,
-						EndPos:    11,
-					},
-				},
-				Catches: []ast.Vertex{},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestStmtTry_TryCatch(t *testing.T) {
-	src := `<?
-		try {} catch (Exception $e) {}`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 2,
-			EndLine:   2,
-			StartPos:  5,
-			EndPos:    35,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtTry{
-				Position: &position.Position{
-					StartLine: 2,
-					EndLine:   2,
-					StartPos:  5,
-					EndPos:    35,
-				},
-				TryTkn: &token.Token{
-					ID:    token.T_TRY,
-					Value: []byte("try"),
-					Position: &position.Position{
-						StartLine: 2,
-						EndLine:   2,
-						StartPos:  5,
-						EndPos:    8,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_OPEN_TAG,
-							Value: []byte("<?"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  0,
-								EndPos:    2,
-							},
-						},
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte("\n\t\t"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   2,
-								StartPos:  2,
-								EndPos:    5,
-							},
-						},
-					},
-				},
-				OpenCurlyBracketTkn: &token.Token{
-					ID:    token.ID(123),
-					Value: []byte("{"),
-					Position: &position.Position{
-						StartLine: 2,
-						EndLine:   2,
-						StartPos:  9,
-						EndPos:    10,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 2,
-								EndLine:   2,
-								StartPos:  8,
-								EndPos:    9,
-							},
-						},
-					},
-				},
-				Stmts: []ast.Vertex{},
-				CloseCurlyBracketTkn: &token.Token{
-					ID:    token.ID(125),
-					Value: []byte("}"),
-					Position: &position.Position{
-						StartLine: 2,
-						EndLine:   2,
-						StartPos:  10,
-						EndPos:    11,
-					},
-				},
-				Catches: []ast.Vertex{
-					&ast.StmtCatch{
-						Position: &position.Position{
-							StartLine: 2,
-							EndLine:   2,
-							StartPos:  12,
-							EndPos:    35,
-						},
-						CatchTkn: &token.Token{
-							ID:    token.T_CATCH,
-							Value: []byte("catch"),
-							Position: &position.Position{
-								StartLine: 2,
-								EndLine:   2,
-								StartPos:  12,
-								EndPos:    17,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 2,
-										EndLine:   2,
-										StartPos:  11,
-										EndPos:    12,
-									},
-								},
-							},
-						},
-						OpenParenthesisTkn: &token.Token{
-							ID:    token.ID(40),
-							Value: []byte("("),
-							Position: &position.Position{
-								StartLine: 2,
-								EndLine:   2,
-								StartPos:  18,
-								EndPos:    19,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 2,
-										EndLine:   2,
-										StartPos:  17,
-										EndPos:    18,
-									},
-								},
-							},
-						},
-						Types: []ast.Vertex{
-							&ast.Name{
-								Position: &position.Position{
-									StartLine: 2,
-									EndLine:   2,
-									StartPos:  19,
-									EndPos:    28,
-								},
-								Parts: []ast.Vertex{
-									&ast.NamePart{
-										Position: &position.Position{
-											StartLine: 2,
-											EndLine:   2,
-											StartPos:  19,
-											EndPos:    28,
-										},
-										StringTkn: &token.Token{
-											ID:    token.T_STRING,
-											Value: []byte("Exception"),
-											Position: &position.Position{
-												StartLine: 2,
-												EndLine:   2,
-												StartPos:  19,
-												EndPos:    28,
-											},
-										},
-										Value: []byte("Exception"),
-									},
-								},
-							},
-						},
-						Var: &ast.ExprVariable{
-							Position: &position.Position{
-								StartLine: 2,
-								EndLine:   2,
-								StartPos:  29,
-								EndPos:    31,
-							},
-							Name: &ast.Identifier{
-								Position: &position.Position{
-									StartLine: 2,
-									EndLine:   2,
-									StartPos:  29,
-									EndPos:    31,
-								},
-								IdentifierTkn: &token.Token{
-									ID:    token.T_VARIABLE,
-									Value: []byte("$e"),
-									Position: &position.Position{
-										StartLine: 2,
-										EndLine:   2,
-										StartPos:  29,
-										EndPos:    31,
-									},
-									FreeFloating: []*token.Token{
-										{
-											ID:    token.T_WHITESPACE,
-											Value: []byte(" "),
-											Position: &position.Position{
-												StartLine: 2,
-												EndLine:   2,
-												StartPos:  28,
-												EndPos:    29,
-											},
-										},
-									},
-								},
-								Value: []byte("$e"),
-							},
-						},
-						CloseParenthesisTkn: &token.Token{
-							ID:    token.ID(41),
-							Value: []byte(")"),
-							Position: &position.Position{
-								StartLine: 2,
-								EndLine:   2,
-								StartPos:  31,
-								EndPos:    32,
-							},
-						},
-						OpenCurlyBracketTkn: &token.Token{
-							ID:    token.ID(123),
-							Value: []byte("{"),
-							Position: &position.Position{
-								StartLine: 2,
-								EndLine:   2,
-								StartPos:  33,
-								EndPos:    34,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 2,
-										EndLine:   2,
-										StartPos:  32,
-										EndPos:    33,
-									},
-								},
-							},
-						},
-						Stmts: []ast.Vertex{},
-						CloseCurlyBracketTkn: &token.Token{
-							ID:    token.ID(125),
-							Value: []byte("}"),
-							Position: &position.Position{
-								StartLine: 2,
-								EndLine:   2,
-								StartPos:  34,
-								EndPos:    35,
-							},
-						},
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestStmtTry_TryCatchCatch(t *testing.T) {
-	src := `<?
-		try {} catch (Exception $e) {} catch (RuntimeException $e) {}`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 2,
-			EndLine:   2,
-			StartPos:  5,
-			EndPos:    66,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtTry{
-				Position: &position.Position{
-					StartLine: 2,
-					EndLine:   2,
-					StartPos:  5,
-					EndPos:    66,
-				},
-				TryTkn: &token.Token{
-					ID:    token.T_TRY,
-					Value: []byte("try"),
-					Position: &position.Position{
-						StartLine: 2,
-						EndLine:   2,
-						StartPos:  5,
-						EndPos:    8,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_OPEN_TAG,
-							Value: []byte("<?"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  0,
-								EndPos:    2,
-							},
-						},
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte("\n\t\t"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   2,
-								StartPos:  2,
-								EndPos:    5,
-							},
-						},
-					},
-				},
-				OpenCurlyBracketTkn: &token.Token{
-					ID:    token.ID(123),
-					Value: []byte("{"),
-					Position: &position.Position{
-						StartLine: 2,
-						EndLine:   2,
-						StartPos:  9,
-						EndPos:    10,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 2,
-								EndLine:   2,
-								StartPos:  8,
-								EndPos:    9,
-							},
-						},
-					},
-				},
-				Stmts: []ast.Vertex{},
-				CloseCurlyBracketTkn: &token.Token{
-					ID:    token.ID(125),
-					Value: []byte("}"),
-					Position: &position.Position{
-						StartLine: 2,
-						EndLine:   2,
-						StartPos:  10,
-						EndPos:    11,
-					},
-				},
-				Catches: []ast.Vertex{
-					&ast.StmtCatch{
-						Position: &position.Position{
-							StartLine: 2,
-							EndLine:   2,
-							StartPos:  12,
-							EndPos:    35,
-						},
-						CatchTkn: &token.Token{
-							ID:    token.T_CATCH,
-							Value: []byte("catch"),
-							Position: &position.Position{
-								StartLine: 2,
-								EndLine:   2,
-								StartPos:  12,
-								EndPos:    17,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 2,
-										EndLine:   2,
-										StartPos:  11,
-										EndPos:    12,
-									},
-								},
-							},
-						},
-						OpenParenthesisTkn: &token.Token{
-							ID:    token.ID(40),
-							Value: []byte("("),
-							Position: &position.Position{
-								StartLine: 2,
-								EndLine:   2,
-								StartPos:  18,
-								EndPos:    19,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 2,
-										EndLine:   2,
-										StartPos:  17,
-										EndPos:    18,
-									},
-								},
-							},
-						},
-						Types: []ast.Vertex{
-							&ast.Name{
-								Position: &position.Position{
-									StartLine: 2,
-									EndLine:   2,
-									StartPos:  19,
-									EndPos:    28,
-								},
-								Parts: []ast.Vertex{
-									&ast.NamePart{
-										Position: &position.Position{
-											StartLine: 2,
-											EndLine:   2,
-											StartPos:  19,
-											EndPos:    28,
-										},
-										StringTkn: &token.Token{
-											ID:    token.T_STRING,
-											Value: []byte("Exception"),
-											Position: &position.Position{
-												StartLine: 2,
-												EndLine:   2,
-												StartPos:  19,
-												EndPos:    28,
-											},
-										},
-										Value: []byte("Exception"),
-									},
-								},
-							},
-						},
-						Var: &ast.ExprVariable{
-							Position: &position.Position{
-								StartLine: 2,
-								EndLine:   2,
-								StartPos:  29,
-								EndPos:    31,
-							},
-							Name: &ast.Identifier{
-								Position: &position.Position{
-									StartLine: 2,
-									EndLine:   2,
-									StartPos:  29,
-									EndPos:    31,
-								},
-								IdentifierTkn: &token.Token{
-									ID:    token.T_VARIABLE,
-									Value: []byte("$e"),
-									Position: &position.Position{
-										StartLine: 2,
-										EndLine:   2,
-										StartPos:  29,
-										EndPos:    31,
-									},
-									FreeFloating: []*token.Token{
-										{
-											ID:    token.T_WHITESPACE,
-											Value: []byte(" "),
-											Position: &position.Position{
-												StartLine: 2,
-												EndLine:   2,
-												StartPos:  28,
-												EndPos:    29,
-											},
-										},
-									},
-								},
-								Value: []byte("$e"),
-							},
-						},
-						CloseParenthesisTkn: &token.Token{
-							ID:    token.ID(41),
-							Value: []byte(")"),
-							Position: &position.Position{
-								StartLine: 2,
-								EndLine:   2,
-								StartPos:  31,
-								EndPos:    32,
-							},
-						},
-						OpenCurlyBracketTkn: &token.Token{
-							ID:    token.ID(123),
-							Value: []byte("{"),
-							Position: &position.Position{
-								StartLine: 2,
-								EndLine:   2,
-								StartPos:  33,
-								EndPos:    34,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 2,
-										EndLine:   2,
-										StartPos:  32,
-										EndPos:    33,
-									},
-								},
-							},
-						},
-						Stmts: []ast.Vertex{},
-						CloseCurlyBracketTkn: &token.Token{
-							ID:    token.ID(125),
-							Value: []byte("}"),
-							Position: &position.Position{
-								StartLine: 2,
-								EndLine:   2,
-								StartPos:  34,
-								EndPos:    35,
-							},
-						},
-					},
-					&ast.StmtCatch{
-						Position: &position.Position{
-							StartLine: 2,
-							EndLine:   2,
-							StartPos:  36,
-							EndPos:    66,
-						},
-						CatchTkn: &token.Token{
-							ID:    token.T_CATCH,
-							Value: []byte("catch"),
-							Position: &position.Position{
-								StartLine: 2,
-								EndLine:   2,
-								StartPos:  36,
-								EndPos:    41,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 2,
-										EndLine:   2,
-										StartPos:  35,
-										EndPos:    36,
-									},
-								},
-							},
-						},
-						OpenParenthesisTkn: &token.Token{
-							ID:    token.ID(40),
-							Value: []byte("("),
-							Position: &position.Position{
-								StartLine: 2,
-								EndLine:   2,
-								StartPos:  42,
-								EndPos:    43,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 2,
-										EndLine:   2,
-										StartPos:  41,
-										EndPos:    42,
-									},
-								},
-							},
-						},
-						Types: []ast.Vertex{
-							&ast.Name{
-								Position: &position.Position{
-									StartLine: 2,
-									EndLine:   2,
-									StartPos:  43,
-									EndPos:    59,
-								},
-								Parts: []ast.Vertex{
-									&ast.NamePart{
-										Position: &position.Position{
-											StartLine: 2,
-											EndLine:   2,
-											StartPos:  43,
-											EndPos:    59,
-										},
-										StringTkn: &token.Token{
-											ID:    token.T_STRING,
-											Value: []byte("RuntimeException"),
-											Position: &position.Position{
-												StartLine: 2,
-												EndLine:   2,
-												StartPos:  43,
-												EndPos:    59,
-											},
-										},
-										Value: []byte("RuntimeException"),
-									},
-								},
-							},
-						},
-						Var: &ast.ExprVariable{
-							Position: &position.Position{
-								StartLine: 2,
-								EndLine:   2,
-								StartPos:  60,
-								EndPos:    62,
-							},
-							Name: &ast.Identifier{
-								Position: &position.Position{
-									StartLine: 2,
-									EndLine:   2,
-									StartPos:  60,
-									EndPos:    62,
-								},
-								IdentifierTkn: &token.Token{
-									ID:    token.T_VARIABLE,
-									Value: []byte("$e"),
-									Position: &position.Position{
-										StartLine: 2,
-										EndLine:   2,
-										StartPos:  60,
-										EndPos:    62,
-									},
-									FreeFloating: []*token.Token{
-										{
-											ID:    token.T_WHITESPACE,
-											Value: []byte(" "),
-											Position: &position.Position{
-												StartLine: 2,
-												EndLine:   2,
-												StartPos:  59,
-												EndPos:    60,
-											},
-										},
-									},
-								},
-								Value: []byte("$e"),
-							},
-						},
-						CloseParenthesisTkn: &token.Token{
-							ID:    token.ID(41),
-							Value: []byte(")"),
-							Position: &position.Position{
-								StartLine: 2,
-								EndLine:   2,
-								StartPos:  62,
-								EndPos:    63,
-							},
-						},
-						OpenCurlyBracketTkn: &token.Token{
-							ID:    token.ID(123),
-							Value: []byte("{"),
-							Position: &position.Position{
-								StartLine: 2,
-								EndLine:   2,
-								StartPos:  64,
-								EndPos:    65,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 2,
-										EndLine:   2,
-										StartPos:  63,
-										EndPos:    64,
-									},
-								},
-							},
-						},
-						Stmts: []ast.Vertex{},
-						CloseCurlyBracketTkn: &token.Token{
-							ID:    token.ID(125),
-							Value: []byte("}"),
-							Position: &position.Position{
-								StartLine: 2,
-								EndLine:   2,
-								StartPos:  65,
-								EndPos:    66,
-							},
-						},
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestStmtTry_TryCatchFinally(t *testing.T) {
-	src := `<?
-		try {} catch (Exception $e) {} finally {}`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 2,
-			EndLine:   2,
-			StartPos:  5,
-			EndPos:    46,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtTry{
-				Position: &position.Position{
-					StartLine: 2,
-					EndLine:   2,
-					StartPos:  5,
-					EndPos:    46,
-				},
-				TryTkn: &token.Token{
-					ID:    token.T_TRY,
-					Value: []byte("try"),
-					Position: &position.Position{
-						StartLine: 2,
-						EndLine:   2,
-						StartPos:  5,
-						EndPos:    8,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_OPEN_TAG,
-							Value: []byte("<?"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  0,
-								EndPos:    2,
-							},
-						},
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte("\n\t\t"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   2,
-								StartPos:  2,
-								EndPos:    5,
-							},
-						},
-					},
-				},
-				OpenCurlyBracketTkn: &token.Token{
-					ID:    token.ID(123),
-					Value: []byte("{"),
-					Position: &position.Position{
-						StartLine: 2,
-						EndLine:   2,
-						StartPos:  9,
-						EndPos:    10,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 2,
-								EndLine:   2,
-								StartPos:  8,
-								EndPos:    9,
-							},
-						},
-					},
-				},
-				Stmts: []ast.Vertex{},
-				CloseCurlyBracketTkn: &token.Token{
-					ID:    token.ID(125),
-					Value: []byte("}"),
-					Position: &position.Position{
-						StartLine: 2,
-						EndLine:   2,
-						StartPos:  10,
-						EndPos:    11,
-					},
-				},
-				Catches: []ast.Vertex{
-					&ast.StmtCatch{
-						Position: &position.Position{
-							StartLine: 2,
-							EndLine:   2,
-							StartPos:  12,
-							EndPos:    35,
-						},
-						CatchTkn: &token.Token{
-							ID:    token.T_CATCH,
-							Value: []byte("catch"),
-							Position: &position.Position{
-								StartLine: 2,
-								EndLine:   2,
-								StartPos:  12,
-								EndPos:    17,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 2,
-										EndLine:   2,
-										StartPos:  11,
-										EndPos:    12,
-									},
-								},
-							},
-						},
-						OpenParenthesisTkn: &token.Token{
-							ID:    token.ID(40),
-							Value: []byte("("),
-							Position: &position.Position{
-								StartLine: 2,
-								EndLine:   2,
-								StartPos:  18,
-								EndPos:    19,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 2,
-										EndLine:   2,
-										StartPos:  17,
-										EndPos:    18,
-									},
-								},
-							},
-						},
-						Types: []ast.Vertex{
-							&ast.Name{
-								Position: &position.Position{
-									StartLine: 2,
-									EndLine:   2,
-									StartPos:  19,
-									EndPos:    28,
-								},
-								Parts: []ast.Vertex{
-									&ast.NamePart{
-										Position: &position.Position{
-											StartLine: 2,
-											EndLine:   2,
-											StartPos:  19,
-											EndPos:    28,
-										},
-										StringTkn: &token.Token{
-											ID:    token.T_STRING,
-											Value: []byte("Exception"),
-											Position: &position.Position{
-												StartLine: 2,
-												EndLine:   2,
-												StartPos:  19,
-												EndPos:    28,
-											},
-										},
-										Value: []byte("Exception"),
-									},
-								},
-							},
-						},
-						Var: &ast.ExprVariable{
-							Position: &position.Position{
-								StartLine: 2,
-								EndLine:   2,
-								StartPos:  29,
-								EndPos:    31,
-							},
-							Name: &ast.Identifier{
-								Position: &position.Position{
-									StartLine: 2,
-									EndLine:   2,
-									StartPos:  29,
-									EndPos:    31,
-								},
-								IdentifierTkn: &token.Token{
-									ID:    token.T_VARIABLE,
-									Value: []byte("$e"),
-									Position: &position.Position{
-										StartLine: 2,
-										EndLine:   2,
-										StartPos:  29,
-										EndPos:    31,
-									},
-									FreeFloating: []*token.Token{
-										{
-											ID:    token.T_WHITESPACE,
-											Value: []byte(" "),
-											Position: &position.Position{
-												StartLine: 2,
-												EndLine:   2,
-												StartPos:  28,
-												EndPos:    29,
-											},
-										},
-									},
-								},
-								Value: []byte("$e"),
-							},
-						},
-						CloseParenthesisTkn: &token.Token{
-							ID:    token.ID(41),
-							Value: []byte(")"),
-							Position: &position.Position{
-								StartLine: 2,
-								EndLine:   2,
-								StartPos:  31,
-								EndPos:    32,
-							},
-						},
-						OpenCurlyBracketTkn: &token.Token{
-							ID:    token.ID(123),
-							Value: []byte("{"),
-							Position: &position.Position{
-								StartLine: 2,
-								EndLine:   2,
-								StartPos:  33,
-								EndPos:    34,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 2,
-										EndLine:   2,
-										StartPos:  32,
-										EndPos:    33,
-									},
-								},
-							},
-						},
-						Stmts: []ast.Vertex{},
-						CloseCurlyBracketTkn: &token.Token{
-							ID:    token.ID(125),
-							Value: []byte("}"),
-							Position: &position.Position{
-								StartLine: 2,
-								EndLine:   2,
-								StartPos:  34,
-								EndPos:    35,
-							},
-						},
-					},
-				},
-				Finally: &ast.StmtFinally{
-					Position: &position.Position{
-						StartLine: 2,
-						EndLine:   2,
-						StartPos:  36,
-						EndPos:    46,
-					},
-					FinallyTkn: &token.Token{
-						ID:    token.T_FINALLY,
-						Value: []byte("finally"),
-						Position: &position.Position{
-							StartLine: 2,
-							EndLine:   2,
-							StartPos:  36,
-							EndPos:    43,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 2,
-									EndLine:   2,
-									StartPos:  35,
-									EndPos:    36,
-								},
-							},
-						},
-					},
-					OpenCurlyBracketTkn: &token.Token{
-						ID:    token.ID(123),
-						Value: []byte("{"),
-						Position: &position.Position{
-							StartLine: 2,
-							EndLine:   2,
-							StartPos:  44,
-							EndPos:    45,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 2,
-									EndLine:   2,
-									StartPos:  43,
-									EndPos:    44,
-								},
-							},
-						},
-					},
-					Stmts: []ast.Vertex{},
-					CloseCurlyBracketTkn: &token.Token{
-						ID:    token.ID(125),
-						Value: []byte("}"),
-						Position: &position.Position{
-							StartLine: 2,
-							EndLine:   2,
-							StartPos:  45,
-							EndPos:    46,
-						},
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestStmtTry_TryCatchCatchCatch(t *testing.T) {
-	src := `<? try {} catch (Exception $e) {} catch (\RuntimeException $e) {} catch (namespace\AdditionException $e) {}`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    107,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtTry{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    107,
-				},
-				TryTkn: &token.Token{
-					ID:    token.T_TRY,
-					Value: []byte("try"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    6,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_OPEN_TAG,
-							Value: []byte("<?"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  0,
-								EndPos:    2,
-							},
-						},
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  2,
-								EndPos:    3,
-							},
-						},
-					},
-				},
-				OpenCurlyBracketTkn: &token.Token{
-					ID:    token.ID(123),
-					Value: []byte("{"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  7,
-						EndPos:    8,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  6,
-								EndPos:    7,
-							},
-						},
-					},
-				},
-				Stmts: []ast.Vertex{},
-				CloseCurlyBracketTkn: &token.Token{
-					ID:    token.ID(125),
-					Value: []byte("}"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  8,
-						EndPos:    9,
-					},
-				},
-				Catches: []ast.Vertex{
-					&ast.StmtCatch{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  10,
-							EndPos:    33,
-						},
-						CatchTkn: &token.Token{
-							ID:    token.T_CATCH,
-							Value: []byte("catch"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  10,
-								EndPos:    15,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  9,
-										EndPos:    10,
-									},
-								},
-							},
-						},
-						OpenParenthesisTkn: &token.Token{
-							ID:    token.ID(40),
-							Value: []byte("("),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  16,
-								EndPos:    17,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  15,
-										EndPos:    16,
-									},
-								},
-							},
-						},
-						Types: []ast.Vertex{
-							&ast.Name{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  17,
-									EndPos:    26,
-								},
-								Parts: []ast.Vertex{
-									&ast.NamePart{
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  17,
-											EndPos:    26,
-										},
-										StringTkn: &token.Token{
-											ID:    token.T_STRING,
-											Value: []byte("Exception"),
-											Position: &position.Position{
-												StartLine: 1,
-												EndLine:   1,
-												StartPos:  17,
-												EndPos:    26,
-											},
-										},
-										Value: []byte("Exception"),
-									},
-								},
-							},
-						},
-						Var: &ast.ExprVariable{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  27,
-								EndPos:    29,
-							},
-							Name: &ast.Identifier{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  27,
-									EndPos:    29,
-								},
-								IdentifierTkn: &token.Token{
-									ID:    token.T_VARIABLE,
-									Value: []byte("$e"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  27,
-										EndPos:    29,
-									},
-									FreeFloating: []*token.Token{
-										{
-											ID:    token.T_WHITESPACE,
-											Value: []byte(" "),
-											Position: &position.Position{
-												StartLine: 1,
-												EndLine:   1,
-												StartPos:  26,
-												EndPos:    27,
-											},
-										},
-									},
-								},
-								Value: []byte("$e"),
-							},
-						},
-						CloseParenthesisTkn: &token.Token{
-							ID:    token.ID(41),
-							Value: []byte(")"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  29,
-								EndPos:    30,
-							},
-						},
-						OpenCurlyBracketTkn: &token.Token{
-							ID:    token.ID(123),
-							Value: []byte("{"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  31,
-								EndPos:    32,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  30,
-										EndPos:    31,
-									},
-								},
-							},
-						},
-						Stmts: []ast.Vertex{},
-						CloseCurlyBracketTkn: &token.Token{
-							ID:    token.ID(125),
-							Value: []byte("}"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  32,
-								EndPos:    33,
-							},
-						},
-					},
-					&ast.StmtCatch{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  34,
-							EndPos:    65,
-						},
-						CatchTkn: &token.Token{
-							ID:    token.T_CATCH,
-							Value: []byte("catch"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  34,
-								EndPos:    39,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  33,
-										EndPos:    34,
-									},
-								},
-							},
-						},
-						OpenParenthesisTkn: &token.Token{
-							ID:    token.ID(40),
-							Value: []byte("("),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  40,
-								EndPos:    41,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  39,
-										EndPos:    40,
-									},
-								},
-							},
-						},
-						Types: []ast.Vertex{
-							&ast.NameFullyQualified{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  41,
-									EndPos:    58,
-								},
-								NsSeparatorTkn: &token.Token{
-									ID:    token.T_NS_SEPARATOR,
-									Value: []byte("\\"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  41,
-										EndPos:    42,
-									},
-								},
-								Parts: []ast.Vertex{
-									&ast.NamePart{
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  42,
-											EndPos:    58,
-										},
-										StringTkn: &token.Token{
-											ID:    token.T_STRING,
-											Value: []byte("RuntimeException"),
-											Position: &position.Position{
-												StartLine: 1,
-												EndLine:   1,
-												StartPos:  42,
-												EndPos:    58,
-											},
-										},
-										Value: []byte("RuntimeException"),
-									},
-								},
-							},
-						},
-						Var: &ast.ExprVariable{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  59,
-								EndPos:    61,
-							},
-							Name: &ast.Identifier{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  59,
-									EndPos:    61,
-								},
-								IdentifierTkn: &token.Token{
-									ID:    token.T_VARIABLE,
-									Value: []byte("$e"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  59,
-										EndPos:    61,
-									},
-									FreeFloating: []*token.Token{
-										{
-											ID:    token.T_WHITESPACE,
-											Value: []byte(" "),
-											Position: &position.Position{
-												StartLine: 1,
-												EndLine:   1,
-												StartPos:  58,
-												EndPos:    59,
-											},
-										},
-									},
-								},
-								Value: []byte("$e"),
-							},
-						},
-						CloseParenthesisTkn: &token.Token{
-							ID:    token.ID(41),
-							Value: []byte(")"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  61,
-								EndPos:    62,
-							},
-						},
-						OpenCurlyBracketTkn: &token.Token{
-							ID:    token.ID(123),
-							Value: []byte("{"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  63,
-								EndPos:    64,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  62,
-										EndPos:    63,
-									},
-								},
-							},
-						},
-						Stmts: []ast.Vertex{},
-						CloseCurlyBracketTkn: &token.Token{
-							ID:    token.ID(125),
-							Value: []byte("}"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  64,
-								EndPos:    65,
-							},
-						},
-					},
-					&ast.StmtCatch{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  66,
-							EndPos:    107,
-						},
-						CatchTkn: &token.Token{
-							ID:    token.T_CATCH,
-							Value: []byte("catch"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  66,
-								EndPos:    71,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  65,
-										EndPos:    66,
-									},
-								},
-							},
-						},
-						OpenParenthesisTkn: &token.Token{
-							ID:    token.ID(40),
-							Value: []byte("("),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  72,
-								EndPos:    73,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  71,
-										EndPos:    72,
-									},
-								},
-							},
-						},
-						Types: []ast.Vertex{
-							&ast.NameRelative{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  73,
-									EndPos:    100,
-								},
-								NsTkn: &token.Token{
-									ID:    token.T_NAMESPACE,
-									Value: []byte("namespace"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  73,
-										EndPos:    82,
-									},
-								},
-								NsSeparatorTkn: &token.Token{
-									ID:    token.T_NS_SEPARATOR,
-									Value: []byte("\\"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  82,
-										EndPos:    83,
-									},
-								},
-								Parts: []ast.Vertex{
-									&ast.NamePart{
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  83,
-											EndPos:    100,
-										},
-										StringTkn: &token.Token{
-											ID:    token.T_STRING,
-											Value: []byte("AdditionException"),
-											Position: &position.Position{
-												StartLine: 1,
-												EndLine:   1,
-												StartPos:  83,
-												EndPos:    100,
-											},
-										},
-										Value: []byte("AdditionException"),
-									},
-								},
-							},
-						},
-						Var: &ast.ExprVariable{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  101,
-								EndPos:    103,
-							},
-							Name: &ast.Identifier{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  101,
-									EndPos:    103,
-								},
-								IdentifierTkn: &token.Token{
-									ID:    token.T_VARIABLE,
-									Value: []byte("$e"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  101,
-										EndPos:    103,
-									},
-									FreeFloating: []*token.Token{
-										{
-											ID:    token.T_WHITESPACE,
-											Value: []byte(" "),
-											Position: &position.Position{
-												StartLine: 1,
-												EndLine:   1,
-												StartPos:  100,
-												EndPos:    101,
-											},
-										},
-									},
-								},
-								Value: []byte("$e"),
-							},
-						},
-						CloseParenthesisTkn: &token.Token{
-							ID:    token.ID(41),
-							Value: []byte(")"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  103,
-								EndPos:    104,
-							},
-						},
-						OpenCurlyBracketTkn: &token.Token{
-							ID:    token.ID(123),
-							Value: []byte("{"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  105,
-								EndPos:    106,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  104,
-										EndPos:    105,
-									},
-								},
-							},
-						},
-						Stmts: []ast.Vertex{},
-						CloseCurlyBracketTkn: &token.Token{
-							ID:    token.ID(125),
-							Value: []byte("}"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  106,
-								EndPos:    107,
-							},
-						},
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestStmtUnset(t *testing.T) {
-	src := `<? unset($a);`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    13,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtUnset{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    13,
-				},
-				UnsetTkn: &token.Token{
-					ID:    token.T_UNSET,
-					Value: []byte("unset"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    8,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_OPEN_TAG,
-							Value: []byte("<?"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  0,
-								EndPos:    2,
-							},
-						},
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  2,
-								EndPos:    3,
-							},
-						},
-					},
-				},
-				OpenParenthesisTkn: &token.Token{
-					ID:    token.ID(40),
-					Value: []byte("("),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  8,
-						EndPos:    9,
-					},
-				},
-				Vars: []ast.Vertex{
-					&ast.ExprVariable{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  9,
-							EndPos:    11,
-						},
-						Name: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  9,
-								EndPos:    11,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_VARIABLE,
-								Value: []byte("$a"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  9,
-									EndPos:    11,
-								},
-							},
-							Value: []byte("$a"),
-						},
-					},
-				},
-				CloseParenthesisTkn: &token.Token{
-					ID:    token.ID(41),
-					Value: []byte(")"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  11,
-						EndPos:    12,
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  12,
-						EndPos:    13,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestStmtUnset_Vars(t *testing.T) {
-	src := `<? unset($a, $b);`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    17,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtUnset{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    17,
-				},
-				UnsetTkn: &token.Token{
-					ID:    token.T_UNSET,
-					Value: []byte("unset"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    8,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_OPEN_TAG,
-							Value: []byte("<?"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  0,
-								EndPos:    2,
-							},
-						},
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  2,
-								EndPos:    3,
-							},
-						},
-					},
-				},
-				OpenParenthesisTkn: &token.Token{
-					ID:    token.ID(40),
-					Value: []byte("("),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  8,
-						EndPos:    9,
-					},
-				},
-				Vars: []ast.Vertex{
-					&ast.ExprVariable{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  9,
-							EndPos:    11,
-						},
-						Name: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  9,
-								EndPos:    11,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_VARIABLE,
-								Value: []byte("$a"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  9,
-									EndPos:    11,
-								},
-							},
-							Value: []byte("$a"),
-						},
-					},
-					&ast.ExprVariable{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  13,
-							EndPos:    15,
-						},
-						Name: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  13,
-								EndPos:    15,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_VARIABLE,
-								Value: []byte("$b"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  13,
-									EndPos:    15,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  12,
-											EndPos:    13,
-										},
-									},
-								},
-							},
-							Value: []byte("$b"),
-						},
-					},
-				},
-				SeparatorTkns: []*token.Token{
-					{
-						ID:    token.ID(44),
-						Value: []byte(","),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  11,
-							EndPos:    12,
-						},
-					},
-				},
-				CloseParenthesisTkn: &token.Token{
-					ID:    token.ID(41),
-					Value: []byte(")"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  15,
-						EndPos:    16,
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  16,
-						EndPos:    17,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestStmtUse(t *testing.T) {
-	src := `<? use Foo;`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    11,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtUseList{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    11,
-				},
-				UseTkn: &token.Token{
-					ID:    token.T_USE,
-					Value: []byte("use"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    6,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_OPEN_TAG,
-							Value: []byte("<?"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  0,
-								EndPos:    2,
-							},
-						},
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  2,
-								EndPos:    3,
-							},
-						},
-					},
-				},
-				Uses: []ast.Vertex{
-					&ast.StmtUse{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  7,
-							EndPos:    10,
-						},
-						Use: &ast.Name{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  7,
-								EndPos:    10,
-							},
-							Parts: []ast.Vertex{
-								&ast.NamePart{
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  7,
-										EndPos:    10,
-									},
-									StringTkn: &token.Token{
-										ID:    token.T_STRING,
-										Value: []byte("Foo"),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  7,
-											EndPos:    10,
-										},
-										FreeFloating: []*token.Token{
-											{
-												ID:    token.T_WHITESPACE,
-												Value: []byte(" "),
-												Position: &position.Position{
-													StartLine: 1,
-													EndLine:   1,
-													StartPos:  6,
-													EndPos:    7,
-												},
-											},
-										},
-									},
-									Value: []byte("Foo"),
-								},
-							},
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  10,
-						EndPos:    11,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestStmtUse_FullyQualified(t *testing.T) {
-	src := `<? use \Foo;`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    12,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtUseList{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    12,
-				},
-				UseTkn: &token.Token{
-					ID:    token.T_USE,
-					Value: []byte("use"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    6,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_OPEN_TAG,
-							Value: []byte("<?"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  0,
-								EndPos:    2,
-							},
-						},
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  2,
-								EndPos:    3,
-							},
-						},
-					},
-				},
-				Uses: []ast.Vertex{
-					&ast.StmtUse{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  7,
-							EndPos:    11,
-						},
-						NsSeparatorTkn: &token.Token{
-							ID:    token.T_NS_SEPARATOR,
-							Value: []byte("\\"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  7,
-								EndPos:    8,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  6,
-										EndPos:    7,
-									},
-								},
-							},
-						},
-						Use: &ast.Name{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  8,
-								EndPos:    11,
-							},
-							Parts: []ast.Vertex{
-								&ast.NamePart{
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  8,
-										EndPos:    11,
-									},
-									StringTkn: &token.Token{
-										ID:    token.T_STRING,
-										Value: []byte("Foo"),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  8,
-											EndPos:    11,
-										},
-									},
-									Value: []byte("Foo"),
-								},
-							},
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  11,
-						EndPos:    12,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestStmtUse_FullyQualifiedAlias(t *testing.T) {
-	src := `<? use \Foo as Bar;`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    19,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtUseList{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    19,
-				},
-				UseTkn: &token.Token{
-					ID:    token.T_USE,
-					Value: []byte("use"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    6,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_OPEN_TAG,
-							Value: []byte("<?"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  0,
-								EndPos:    2,
-							},
-						},
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  2,
-								EndPos:    3,
-							},
-						},
-					},
-				},
-				Uses: []ast.Vertex{
-					&ast.StmtUse{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  7,
-							EndPos:    18,
-						},
-						NsSeparatorTkn: &token.Token{
-							ID:    token.T_NS_SEPARATOR,
-							Value: []byte("\\"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  7,
-								EndPos:    8,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  6,
-										EndPos:    7,
-									},
-								},
-							},
-						},
-						Use: &ast.Name{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  8,
-								EndPos:    11,
-							},
-							Parts: []ast.Vertex{
-								&ast.NamePart{
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  8,
-										EndPos:    11,
-									},
-									StringTkn: &token.Token{
-										ID:    token.T_STRING,
-										Value: []byte("Foo"),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  8,
-											EndPos:    11,
-										},
-									},
-									Value: []byte("Foo"),
-								},
-							},
-						},
-						AsTkn: &token.Token{
-							ID:    token.T_AS,
-							Value: []byte("as"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  12,
-								EndPos:    14,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  11,
-										EndPos:    12,
-									},
-								},
-							},
-						},
-						Alias: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  15,
-								EndPos:    18,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_STRING,
-								Value: []byte("Bar"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  15,
-									EndPos:    18,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  14,
-											EndPos:    15,
-										},
-									},
-								},
-							},
-							Value: []byte("Bar"),
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  18,
-						EndPos:    19,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestStmtUse_List(t *testing.T) {
-	src := `<? use Foo, Bar;`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    16,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtUseList{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    16,
-				},
-				UseTkn: &token.Token{
-					ID:    token.T_USE,
-					Value: []byte("use"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    6,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_OPEN_TAG,
-							Value: []byte("<?"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  0,
-								EndPos:    2,
-							},
-						},
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  2,
-								EndPos:    3,
-							},
-						},
-					},
-				},
-				Uses: []ast.Vertex{
-					&ast.StmtUse{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  7,
-							EndPos:    10,
-						},
-						Use: &ast.Name{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  7,
-								EndPos:    10,
-							},
-							Parts: []ast.Vertex{
-								&ast.NamePart{
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  7,
-										EndPos:    10,
-									},
-									StringTkn: &token.Token{
-										ID:    token.T_STRING,
-										Value: []byte("Foo"),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  7,
-											EndPos:    10,
-										},
-										FreeFloating: []*token.Token{
-											{
-												ID:    token.T_WHITESPACE,
-												Value: []byte(" "),
-												Position: &position.Position{
-													StartLine: 1,
-													EndLine:   1,
-													StartPos:  6,
-													EndPos:    7,
-												},
-											},
-										},
-									},
-									Value: []byte("Foo"),
-								},
-							},
-						},
-					},
-					&ast.StmtUse{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  12,
-							EndPos:    15,
-						},
-						Use: &ast.Name{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  12,
-								EndPos:    15,
-							},
-							Parts: []ast.Vertex{
-								&ast.NamePart{
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  12,
-										EndPos:    15,
-									},
-									StringTkn: &token.Token{
-										ID:    token.T_STRING,
-										Value: []byte("Bar"),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  12,
-											EndPos:    15,
-										},
-										FreeFloating: []*token.Token{
-											{
-												ID:    token.T_WHITESPACE,
-												Value: []byte(" "),
-												Position: &position.Position{
-													StartLine: 1,
-													EndLine:   1,
-													StartPos:  11,
-													EndPos:    12,
-												},
-											},
-										},
-									},
-									Value: []byte("Bar"),
-								},
-							},
-						},
-					},
-				},
-				SeparatorTkns: []*token.Token{
-					{
-						ID:    token.ID(44),
-						Value: []byte(","),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  10,
-							EndPos:    11,
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  15,
-						EndPos:    16,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestStmtUse_ListAlias(t *testing.T) {
-	src := `<? use Foo, Bar as Baz;`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    23,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtUseList{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    23,
-				},
-				UseTkn: &token.Token{
-					ID:    token.T_USE,
-					Value: []byte("use"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    6,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_OPEN_TAG,
-							Value: []byte("<?"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  0,
-								EndPos:    2,
-							},
-						},
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  2,
-								EndPos:    3,
-							},
-						},
-					},
-				},
-				Uses: []ast.Vertex{
-					&ast.StmtUse{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  7,
-							EndPos:    10,
-						},
-						Use: &ast.Name{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  7,
-								EndPos:    10,
-							},
-							Parts: []ast.Vertex{
-								&ast.NamePart{
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  7,
-										EndPos:    10,
-									},
-									StringTkn: &token.Token{
-										ID:    token.T_STRING,
-										Value: []byte("Foo"),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  7,
-											EndPos:    10,
-										},
-										FreeFloating: []*token.Token{
-											{
-												ID:    token.T_WHITESPACE,
-												Value: []byte(" "),
-												Position: &position.Position{
-													StartLine: 1,
-													EndLine:   1,
-													StartPos:  6,
-													EndPos:    7,
-												},
-											},
-										},
-									},
-									Value: []byte("Foo"),
-								},
-							},
-						},
-					},
-					&ast.StmtUse{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  12,
-							EndPos:    22,
-						},
-						Use: &ast.Name{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  12,
-								EndPos:    15,
-							},
-							Parts: []ast.Vertex{
-								&ast.NamePart{
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  12,
-										EndPos:    15,
-									},
-									StringTkn: &token.Token{
-										ID:    token.T_STRING,
-										Value: []byte("Bar"),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  12,
-											EndPos:    15,
-										},
-										FreeFloating: []*token.Token{
-											{
-												ID:    token.T_WHITESPACE,
-												Value: []byte(" "),
-												Position: &position.Position{
-													StartLine: 1,
-													EndLine:   1,
-													StartPos:  11,
-													EndPos:    12,
-												},
-											},
-										},
-									},
-									Value: []byte("Bar"),
-								},
-							},
-						},
-						AsTkn: &token.Token{
-							ID:    token.T_AS,
-							Value: []byte("as"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  16,
-								EndPos:    18,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  15,
-										EndPos:    16,
-									},
-								},
-							},
-						},
-						Alias: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  19,
-								EndPos:    22,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_STRING,
-								Value: []byte("Baz"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  19,
-									EndPos:    22,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  18,
-											EndPos:    19,
-										},
-									},
-								},
-							},
-							Value: []byte("Baz"),
-						},
-					},
-				},
-				SeparatorTkns: []*token.Token{
-					{
-						ID:    token.ID(44),
-						Value: []byte(","),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  10,
-							EndPos:    11,
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  22,
-						EndPos:    23,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestStmtUse_ListFunctionType(t *testing.T) {
-	src := `<? use function Foo, \Bar;`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    26,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtUseList{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    26,
-				},
-				UseTkn: &token.Token{
-					ID:    token.T_USE,
-					Value: []byte("use"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    6,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_OPEN_TAG,
-							Value: []byte("<?"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  0,
-								EndPos:    2,
-							},
-						},
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  2,
-								EndPos:    3,
-							},
-						},
-					},
-				},
-				Type: &ast.Identifier{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  7,
-						EndPos:    15,
-					},
-					IdentifierTkn: &token.Token{
-						ID:    token.T_FUNCTION,
-						Value: []byte("function"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  7,
-							EndPos:    15,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  6,
-									EndPos:    7,
-								},
-							},
-						},
-					},
-					Value: []byte("function"),
-				},
-				Uses: []ast.Vertex{
-					&ast.StmtUse{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  16,
-							EndPos:    19,
-						},
-						Use: &ast.Name{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  16,
-								EndPos:    19,
-							},
-							Parts: []ast.Vertex{
-								&ast.NamePart{
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  16,
-										EndPos:    19,
-									},
-									StringTkn: &token.Token{
-										ID:    token.T_STRING,
-										Value: []byte("Foo"),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  16,
-											EndPos:    19,
-										},
-										FreeFloating: []*token.Token{
-											{
-												ID:    token.T_WHITESPACE,
-												Value: []byte(" "),
-												Position: &position.Position{
-													StartLine: 1,
-													EndLine:   1,
-													StartPos:  15,
-													EndPos:    16,
-												},
-											},
-										},
-									},
-									Value: []byte("Foo"),
-								},
-							},
-						},
-					},
-					&ast.StmtUse{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  21,
-							EndPos:    25,
-						},
-						NsSeparatorTkn: &token.Token{
-							ID:    token.T_NS_SEPARATOR,
-							Value: []byte("\\"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  21,
-								EndPos:    22,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  20,
-										EndPos:    21,
-									},
-								},
-							},
-						},
-						Use: &ast.Name{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  22,
-								EndPos:    25,
-							},
-							Parts: []ast.Vertex{
-								&ast.NamePart{
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  22,
-										EndPos:    25,
-									},
-									StringTkn: &token.Token{
-										ID:    token.T_STRING,
-										Value: []byte("Bar"),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  22,
-											EndPos:    25,
-										},
-									},
-									Value: []byte("Bar"),
-								},
-							},
-						},
-					},
-				},
-				SeparatorTkns: []*token.Token{
-					{
-						ID:    token.ID(44),
-						Value: []byte(","),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  19,
-							EndPos:    20,
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  25,
-						EndPos:    26,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestStmtUse_ListFunctionTypeAliases(t *testing.T) {
-	src := `<? use function Foo as foo, \Bar as bar;`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    40,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtUseList{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    40,
-				},
-				UseTkn: &token.Token{
-					ID:    token.T_USE,
-					Value: []byte("use"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    6,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_OPEN_TAG,
-							Value: []byte("<?"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  0,
-								EndPos:    2,
-							},
-						},
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  2,
-								EndPos:    3,
-							},
-						},
-					},
-				},
-				Type: &ast.Identifier{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  7,
-						EndPos:    15,
-					},
-					IdentifierTkn: &token.Token{
-						ID:    token.T_FUNCTION,
-						Value: []byte("function"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  7,
-							EndPos:    15,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  6,
-									EndPos:    7,
-								},
-							},
-						},
-					},
-					Value: []byte("function"),
-				},
-				Uses: []ast.Vertex{
-					&ast.StmtUse{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  16,
-							EndPos:    26,
-						},
-						Use: &ast.Name{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  16,
-								EndPos:    19,
-							},
-							Parts: []ast.Vertex{
-								&ast.NamePart{
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  16,
-										EndPos:    19,
-									},
-									StringTkn: &token.Token{
-										ID:    token.T_STRING,
-										Value: []byte("Foo"),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  16,
-											EndPos:    19,
-										},
-										FreeFloating: []*token.Token{
-											{
-												ID:    token.T_WHITESPACE,
-												Value: []byte(" "),
-												Position: &position.Position{
-													StartLine: 1,
-													EndLine:   1,
-													StartPos:  15,
-													EndPos:    16,
-												},
-											},
-										},
-									},
-									Value: []byte("Foo"),
-								},
-							},
-						},
-						AsTkn: &token.Token{
-							ID:    token.T_AS,
-							Value: []byte("as"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  20,
-								EndPos:    22,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  19,
-										EndPos:    20,
-									},
-								},
-							},
-						},
-						Alias: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  23,
-								EndPos:    26,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_STRING,
-								Value: []byte("foo"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  23,
-									EndPos:    26,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  22,
-											EndPos:    23,
-										},
-									},
-								},
-							},
-							Value: []byte("foo"),
-						},
-					},
-					&ast.StmtUse{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  28,
-							EndPos:    39,
-						},
-						NsSeparatorTkn: &token.Token{
-							ID:    token.T_NS_SEPARATOR,
-							Value: []byte("\\"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  28,
-								EndPos:    29,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  27,
-										EndPos:    28,
-									},
-								},
-							},
-						},
-						Use: &ast.Name{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  29,
-								EndPos:    32,
-							},
-							Parts: []ast.Vertex{
-								&ast.NamePart{
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  29,
-										EndPos:    32,
-									},
-									StringTkn: &token.Token{
-										ID:    token.T_STRING,
-										Value: []byte("Bar"),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  29,
-											EndPos:    32,
-										},
-									},
-									Value: []byte("Bar"),
-								},
-							},
-						},
-						AsTkn: &token.Token{
-							ID:    token.T_AS,
-							Value: []byte("as"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  33,
-								EndPos:    35,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  32,
-										EndPos:    33,
-									},
-								},
-							},
-						},
-						Alias: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  36,
-								EndPos:    39,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_STRING,
-								Value: []byte("bar"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  36,
-									EndPos:    39,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  35,
-											EndPos:    36,
-										},
-									},
-								},
-							},
-							Value: []byte("bar"),
-						},
-					},
-				},
-				SeparatorTkns: []*token.Token{
-					{
-						ID:    token.ID(44),
-						Value: []byte(","),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  26,
-							EndPos:    27,
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  39,
-						EndPos:    40,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestStmtUse_ListConstType(t *testing.T) {
-	src := `<? use const Foo, \Bar;`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    23,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtUseList{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    23,
-				},
-				UseTkn: &token.Token{
-					ID:    token.T_USE,
-					Value: []byte("use"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    6,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_OPEN_TAG,
-							Value: []byte("<?"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  0,
-								EndPos:    2,
-							},
-						},
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  2,
-								EndPos:    3,
-							},
-						},
-					},
-				},
-				Type: &ast.Identifier{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  7,
-						EndPos:    12,
-					},
-					IdentifierTkn: &token.Token{
-						ID:    token.T_CONST,
-						Value: []byte("const"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  7,
-							EndPos:    12,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  6,
-									EndPos:    7,
-								},
-							},
-						},
-					},
-					Value: []byte("const"),
-				},
-				Uses: []ast.Vertex{
-					&ast.StmtUse{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  13,
-							EndPos:    16,
-						},
-						Use: &ast.Name{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  13,
-								EndPos:    16,
-							},
-							Parts: []ast.Vertex{
-								&ast.NamePart{
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  13,
-										EndPos:    16,
-									},
-									StringTkn: &token.Token{
-										ID:    token.T_STRING,
-										Value: []byte("Foo"),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  13,
-											EndPos:    16,
-										},
-										FreeFloating: []*token.Token{
-											{
-												ID:    token.T_WHITESPACE,
-												Value: []byte(" "),
-												Position: &position.Position{
-													StartLine: 1,
-													EndLine:   1,
-													StartPos:  12,
-													EndPos:    13,
-												},
-											},
-										},
-									},
-									Value: []byte("Foo"),
-								},
-							},
-						},
-					},
-					&ast.StmtUse{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  18,
-							EndPos:    22,
-						},
-						NsSeparatorTkn: &token.Token{
-							ID:    token.T_NS_SEPARATOR,
-							Value: []byte("\\"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  18,
-								EndPos:    19,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  17,
-										EndPos:    18,
-									},
-								},
-							},
-						},
-						Use: &ast.Name{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  19,
-								EndPos:    22,
-							},
-							Parts: []ast.Vertex{
-								&ast.NamePart{
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  19,
-										EndPos:    22,
-									},
-									StringTkn: &token.Token{
-										ID:    token.T_STRING,
-										Value: []byte("Bar"),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  19,
-											EndPos:    22,
-										},
-									},
-									Value: []byte("Bar"),
-								},
-							},
-						},
-					},
-				},
-				SeparatorTkns: []*token.Token{
-					{
-						ID:    token.ID(44),
-						Value: []byte(","),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  16,
-							EndPos:    17,
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  22,
-						EndPos:    23,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestStmtUse_ListConstTypeAliases(t *testing.T) {
-	src := `<? use const Foo as foo, \Bar as bar;`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    37,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtUseList{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    37,
-				},
-				UseTkn: &token.Token{
-					ID:    token.T_USE,
-					Value: []byte("use"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    6,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_OPEN_TAG,
-							Value: []byte("<?"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  0,
-								EndPos:    2,
-							},
-						},
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  2,
-								EndPos:    3,
-							},
-						},
-					},
-				},
-				Type: &ast.Identifier{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  7,
-						EndPos:    12,
-					},
-					IdentifierTkn: &token.Token{
-						ID:    token.T_CONST,
-						Value: []byte("const"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  7,
-							EndPos:    12,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  6,
-									EndPos:    7,
-								},
-							},
-						},
-					},
-					Value: []byte("const"),
-				},
-				Uses: []ast.Vertex{
-					&ast.StmtUse{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  13,
-							EndPos:    23,
-						},
-						Use: &ast.Name{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  13,
-								EndPos:    16,
-							},
-							Parts: []ast.Vertex{
-								&ast.NamePart{
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  13,
-										EndPos:    16,
-									},
-									StringTkn: &token.Token{
-										ID:    token.T_STRING,
-										Value: []byte("Foo"),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  13,
-											EndPos:    16,
-										},
-										FreeFloating: []*token.Token{
-											{
-												ID:    token.T_WHITESPACE,
-												Value: []byte(" "),
-												Position: &position.Position{
-													StartLine: 1,
-													EndLine:   1,
-													StartPos:  12,
-													EndPos:    13,
-												},
-											},
-										},
-									},
-									Value: []byte("Foo"),
-								},
-							},
-						},
-						AsTkn: &token.Token{
-							ID:    token.T_AS,
-							Value: []byte("as"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  17,
-								EndPos:    19,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  16,
-										EndPos:    17,
-									},
-								},
-							},
-						},
-						Alias: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  20,
-								EndPos:    23,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_STRING,
-								Value: []byte("foo"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  20,
-									EndPos:    23,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  19,
-											EndPos:    20,
-										},
-									},
-								},
-							},
-							Value: []byte("foo"),
-						},
-					},
-					&ast.StmtUse{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  25,
-							EndPos:    36,
-						},
-						NsSeparatorTkn: &token.Token{
-							ID:    token.T_NS_SEPARATOR,
-							Value: []byte("\\"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  25,
-								EndPos:    26,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  24,
-										EndPos:    25,
-									},
-								},
-							},
-						},
-						Use: &ast.Name{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  26,
-								EndPos:    29,
-							},
-							Parts: []ast.Vertex{
-								&ast.NamePart{
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  26,
-										EndPos:    29,
-									},
-									StringTkn: &token.Token{
-										ID:    token.T_STRING,
-										Value: []byte("Bar"),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  26,
-											EndPos:    29,
-										},
-									},
-									Value: []byte("Bar"),
-								},
-							},
-						},
-						AsTkn: &token.Token{
-							ID:    token.T_AS,
-							Value: []byte("as"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  30,
-								EndPos:    32,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  29,
-										EndPos:    30,
-									},
-								},
-							},
-						},
-						Alias: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  33,
-								EndPos:    36,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_STRING,
-								Value: []byte("bar"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  33,
-									EndPos:    36,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  32,
-											EndPos:    33,
-										},
-									},
-								},
-							},
-							Value: []byte("bar"),
-						},
-					},
-				},
-				SeparatorTkns: []*token.Token{
-					{
-						ID:    token.ID(44),
-						Value: []byte(","),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  23,
-							EndPos:    24,
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  36,
-						EndPos:    37,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestStmtBreak_Empty(t *testing.T) {
-	src := `<? while (1) { break; }`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    23,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtWhile{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    23,
-				},
-				WhileTkn: &token.Token{
-					ID:    token.T_WHILE,
-					Value: []byte("while"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    8,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_OPEN_TAG,
-							Value: []byte("<?"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  0,
-								EndPos:    2,
-							},
-						},
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  2,
-								EndPos:    3,
-							},
-						},
-					},
-				},
-				OpenParenthesisTkn: &token.Token{
-					ID:    token.ID(40),
-					Value: []byte("("),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  9,
-						EndPos:    10,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  8,
-								EndPos:    9,
-							},
-						},
-					},
-				},
-				Cond: &ast.ScalarLnumber{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  10,
-						EndPos:    11,
-					},
-					NumberTkn: &token.Token{
-						ID:    token.T_LNUMBER,
-						Value: []byte("1"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  10,
-							EndPos:    11,
-						},
-					},
-					Value: []byte("1"),
-				},
-				CloseParenthesisTkn: &token.Token{
-					ID:    token.ID(41),
-					Value: []byte(")"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  11,
-						EndPos:    12,
-					},
-				},
-				Stmt: &ast.StmtStmtList{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  13,
-						EndPos:    23,
-					},
-					OpenCurlyBracketTkn: &token.Token{
-						ID:    token.ID(123),
-						Value: []byte("{"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  13,
-							EndPos:    14,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  12,
-									EndPos:    13,
-								},
-							},
-						},
-					},
-					Stmts: []ast.Vertex{
-						&ast.StmtBreak{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  15,
-								EndPos:    21,
-							},
-							BreakTkn: &token.Token{
-								ID:    token.T_BREAK,
-								Value: []byte("break"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  15,
-									EndPos:    20,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  14,
-											EndPos:    15,
-										},
-									},
-								},
-							},
-							SemiColonTkn: &token.Token{
-								ID:    token.ID(59),
-								Value: []byte(";"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  20,
-									EndPos:    21,
-								},
-							},
-						},
-					},
-					CloseCurlyBracketTkn: &token.Token{
-						ID:    token.ID(125),
-						Value: []byte("}"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  22,
-							EndPos:    23,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  21,
-									EndPos:    22,
-								},
-							},
-						},
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestStmtBreak_Light(t *testing.T) {
-	src := `<? while (1) { break 2; }`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    25,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtWhile{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    25,
-				},
-				WhileTkn: &token.Token{
-					ID:    token.T_WHILE,
-					Value: []byte("while"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    8,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_OPEN_TAG,
-							Value: []byte("<?"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  0,
-								EndPos:    2,
-							},
-						},
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  2,
-								EndPos:    3,
-							},
-						},
-					},
-				},
-				OpenParenthesisTkn: &token.Token{
-					ID:    token.ID(40),
-					Value: []byte("("),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  9,
-						EndPos:    10,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  8,
-								EndPos:    9,
-							},
-						},
-					},
-				},
-				Cond: &ast.ScalarLnumber{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  10,
-						EndPos:    11,
-					},
-					NumberTkn: &token.Token{
-						ID:    token.T_LNUMBER,
-						Value: []byte("1"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  10,
-							EndPos:    11,
-						},
-					},
-					Value: []byte("1"),
-				},
-				CloseParenthesisTkn: &token.Token{
-					ID:    token.ID(41),
-					Value: []byte(")"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  11,
-						EndPos:    12,
-					},
-				},
-				Stmt: &ast.StmtStmtList{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  13,
-						EndPos:    25,
-					},
-					OpenCurlyBracketTkn: &token.Token{
-						ID:    token.ID(123),
-						Value: []byte("{"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  13,
-							EndPos:    14,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  12,
-									EndPos:    13,
-								},
-							},
-						},
-					},
-					Stmts: []ast.Vertex{
-						&ast.StmtBreak{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  15,
-								EndPos:    23,
-							},
-							BreakTkn: &token.Token{
-								ID:    token.T_BREAK,
-								Value: []byte("break"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  15,
-									EndPos:    20,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  14,
-											EndPos:    15,
-										},
-									},
-								},
-							},
-							Expr: &ast.ScalarLnumber{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  21,
-									EndPos:    22,
-								},
-								NumberTkn: &token.Token{
-									ID:    token.T_LNUMBER,
-									Value: []byte("2"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  21,
-										EndPos:    22,
-									},
-									FreeFloating: []*token.Token{
-										{
-											ID:    token.T_WHITESPACE,
-											Value: []byte(" "),
-											Position: &position.Position{
-												StartLine: 1,
-												EndLine:   1,
-												StartPos:  20,
-												EndPos:    21,
-											},
-										},
-									},
-								},
-								Value: []byte("2"),
-							},
-							SemiColonTkn: &token.Token{
-								ID:    token.ID(59),
-								Value: []byte(";"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  22,
-									EndPos:    23,
-								},
-							},
-						},
-					},
-					CloseCurlyBracketTkn: &token.Token{
-						ID:    token.ID(125),
-						Value: []byte("}"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  24,
-							EndPos:    25,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  23,
-									EndPos:    24,
-								},
-							},
-						},
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestStmtBreak(t *testing.T) {
-	src := `<? while (1) : break(3); endwhile;`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    34,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtWhile{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    34,
-				},
-				WhileTkn: &token.Token{
-					ID:    token.T_WHILE,
-					Value: []byte("while"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    8,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_OPEN_TAG,
-							Value: []byte("<?"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  0,
-								EndPos:    2,
-							},
-						},
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  2,
-								EndPos:    3,
-							},
-						},
-					},
-				},
-				OpenParenthesisTkn: &token.Token{
-					ID:    token.ID(40),
-					Value: []byte("("),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  9,
-						EndPos:    10,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  8,
-								EndPos:    9,
-							},
-						},
-					},
-				},
-				Cond: &ast.ScalarLnumber{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  10,
-						EndPos:    11,
-					},
-					NumberTkn: &token.Token{
-						ID:    token.T_LNUMBER,
-						Value: []byte("1"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  10,
-							EndPos:    11,
-						},
-					},
-					Value: []byte("1"),
-				},
-				CloseParenthesisTkn: &token.Token{
-					ID:    token.ID(41),
-					Value: []byte(")"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  11,
-						EndPos:    12,
-					},
-				},
-				ColonTkn: &token.Token{
-					ID:    token.ID(58),
-					Value: []byte(":"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  13,
-						EndPos:    14,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  12,
-								EndPos:    13,
-							},
-						},
-					},
-				},
-				Stmt: &ast.StmtStmtList{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  15,
-						EndPos:    24,
-					},
-					Stmts: []ast.Vertex{
-						&ast.StmtBreak{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  15,
-								EndPos:    24,
-							},
-							BreakTkn: &token.Token{
-								ID:    token.T_BREAK,
-								Value: []byte("break"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  15,
-									EndPos:    20,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  14,
-											EndPos:    15,
-										},
-									},
-								},
-							},
-							Expr: &ast.ExprBrackets{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  20,
-									EndPos:    23,
-								},
-								OpenParenthesisTkn: &token.Token{
-									ID:    token.ID(40),
-									Value: []byte("("),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  20,
-										EndPos:    21,
-									},
-								},
-								Expr: &ast.ScalarLnumber{
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  21,
-										EndPos:    22,
-									},
-									NumberTkn: &token.Token{
-										ID:    token.T_LNUMBER,
-										Value: []byte("3"),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  21,
-											EndPos:    22,
-										},
-									},
-									Value: []byte("3"),
-								},
-								CloseParenthesisTkn: &token.Token{
-									ID:    token.ID(41),
-									Value: []byte(")"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  22,
-										EndPos:    23,
-									},
-								},
-							},
-							SemiColonTkn: &token.Token{
-								ID:    token.ID(59),
-								Value: []byte(";"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  23,
-									EndPos:    24,
-								},
-							},
-						},
-					},
-				},
-				EndWhileTkn: &token.Token{
-					ID:    token.T_ENDWHILE,
-					Value: []byte("endwhile"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  25,
-						EndPos:    33,
-					},
-					FreeFloating: []*token.Token{
-						{
-							ID:    token.T_WHITESPACE,
-							Value: []byte(" "),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  24,
-								EndPos:    25,
-							},
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  33,
-						EndPos:    34,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-// expr
-
-func TestExprArrayDimFetch(t *testing.T) {
-	src := `<? $a[1];`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    9,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    9,
-				},
-				Expr: &ast.ExprArrayDimFetch{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    8,
-					},
-					Var: &ast.ExprVariable{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    5,
-						},
-						Name: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  3,
-								EndPos:    5,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_VARIABLE,
-								Value: []byte("$a"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  3,
-									EndPos:    5,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_OPEN_TAG,
-										Value: []byte("<?"),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  0,
-											EndPos:    2,
-										},
-									},
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  2,
-											EndPos:    3,
-										},
-									},
-								},
-							},
-							Value: []byte("$a"),
-						},
-					},
-					OpenBracketTkn: &token.Token{
-						ID:    token.ID(91),
-						Value: []byte("["),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  5,
-							EndPos:    6,
-						},
-					},
-					Dim: &ast.ScalarLnumber{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  6,
-							EndPos:    7,
-						},
-						NumberTkn: &token.Token{
-							ID:    token.T_LNUMBER,
-							Value: []byte("1"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  6,
-								EndPos:    7,
-							},
-						},
-						Value: []byte("1"),
-					},
-					CloseBracketTkn: &token.Token{
-						ID:    token.ID(93),
-						Value: []byte("]"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  7,
-							EndPos:    8,
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  8,
-						EndPos:    9,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestExprArrayDimFetch_Nested(t *testing.T) {
-	src := `<? $a[1][2];`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    12,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    12,
-				},
-				Expr: &ast.ExprArrayDimFetch{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    11,
-					},
-					Var: &ast.ExprArrayDimFetch{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    8,
-						},
-						Var: &ast.ExprVariable{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  3,
-								EndPos:    5,
-							},
-							Name: &ast.Identifier{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  3,
-									EndPos:    5,
-								},
-								IdentifierTkn: &token.Token{
-									ID:    token.T_VARIABLE,
-									Value: []byte("$a"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  3,
-										EndPos:    5,
-									},
-									FreeFloating: []*token.Token{
-										{
-											ID:    token.T_OPEN_TAG,
-											Value: []byte("<?"),
-											Position: &position.Position{
-												StartLine: 1,
-												EndLine:   1,
-												StartPos:  0,
-												EndPos:    2,
-											},
-										},
-										{
-											ID:    token.T_WHITESPACE,
-											Value: []byte(" "),
-											Position: &position.Position{
-												StartLine: 1,
-												EndLine:   1,
-												StartPos:  2,
-												EndPos:    3,
-											},
-										},
-									},
-								},
-								Value: []byte("$a"),
-							},
-						},
-						OpenBracketTkn: &token.Token{
-							ID:    token.ID(91),
-							Value: []byte("["),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  5,
-								EndPos:    6,
-							},
-						},
-						Dim: &ast.ScalarLnumber{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  6,
-								EndPos:    7,
-							},
-							NumberTkn: &token.Token{
-								ID:    token.T_LNUMBER,
-								Value: []byte("1"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  6,
-									EndPos:    7,
-								},
-							},
-							Value: []byte("1"),
-						},
-						CloseBracketTkn: &token.Token{
-							ID:    token.ID(93),
-							Value: []byte("]"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  7,
-								EndPos:    8,
-							},
-						},
-					},
-					OpenBracketTkn: &token.Token{
-						ID:    token.ID(91),
-						Value: []byte("["),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  8,
-							EndPos:    9,
-						},
-					},
-					Dim: &ast.ScalarLnumber{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  9,
-							EndPos:    10,
-						},
-						NumberTkn: &token.Token{
-							ID:    token.T_LNUMBER,
-							Value: []byte("2"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  9,
-								EndPos:    10,
-							},
-						},
-						Value: []byte("2"),
-					},
-					CloseBracketTkn: &token.Token{
-						ID:    token.ID(93),
-						Value: []byte("]"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  10,
-							EndPos:    11,
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  11,
-						EndPos:    12,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestExprArray(t *testing.T) {
-	src := `<? array();`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    11,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    11,
-				},
-				Expr: &ast.ExprArray{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    10,
-					},
-					ArrayTkn: &token.Token{
-						ID:    token.T_ARRAY,
-						Value: []byte("array"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    8,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_OPEN_TAG,
-								Value: []byte("<?"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  0,
-									EndPos:    2,
-								},
-							},
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  2,
-									EndPos:    3,
-								},
-							},
-						},
-					},
-					OpenBracketTkn: &token.Token{
-						ID:    token.ID(40),
-						Value: []byte("("),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  8,
-							EndPos:    9,
-						},
-					},
-					CloseBracketTkn: &token.Token{
-						ID:    token.ID(41),
-						Value: []byte(")"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  9,
-							EndPos:    10,
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  10,
-						EndPos:    11,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestExprArray_Item(t *testing.T) {
-	src := `<? array(1);`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    12,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    12,
-				},
-				Expr: &ast.ExprArray{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    11,
-					},
-					ArrayTkn: &token.Token{
-						ID:    token.T_ARRAY,
-						Value: []byte("array"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    8,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_OPEN_TAG,
-								Value: []byte("<?"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  0,
-									EndPos:    2,
-								},
-							},
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  2,
-									EndPos:    3,
-								},
-							},
-						},
-					},
-					OpenBracketTkn: &token.Token{
-						ID:    token.ID(40),
-						Value: []byte("("),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  8,
-							EndPos:    9,
-						},
-					},
-					Items: []ast.Vertex{
-						&ast.ExprArrayItem{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  9,
-								EndPos:    10,
-							},
-							Val: &ast.ScalarLnumber{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  9,
-									EndPos:    10,
-								},
-								NumberTkn: &token.Token{
-									ID:    token.T_LNUMBER,
-									Value: []byte("1"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  9,
-										EndPos:    10,
-									},
-								},
-								Value: []byte("1"),
-							},
-						},
-					},
-					CloseBracketTkn: &token.Token{
-						ID:    token.ID(41),
-						Value: []byte(")"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  10,
-							EndPos:    11,
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  11,
-						EndPos:    12,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestExprArray_Items(t *testing.T) {
-	src := `<? array(1=>1, &$b,);`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    21,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    21,
-				},
-				Expr: &ast.ExprArray{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    20,
-					},
-					ArrayTkn: &token.Token{
-						ID:    token.T_ARRAY,
-						Value: []byte("array"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    8,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_OPEN_TAG,
-								Value: []byte("<?"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  0,
-									EndPos:    2,
-								},
-							},
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  2,
-									EndPos:    3,
-								},
-							},
-						},
-					},
-					OpenBracketTkn: &token.Token{
-						ID:    token.ID(40),
-						Value: []byte("("),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  8,
-							EndPos:    9,
-						},
-					},
-					Items: []ast.Vertex{
-						&ast.ExprArrayItem{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  9,
-								EndPos:    13,
-							},
-							Key: &ast.ScalarLnumber{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  9,
-									EndPos:    10,
-								},
-								NumberTkn: &token.Token{
-									ID:    token.T_LNUMBER,
-									Value: []byte("1"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  9,
-										EndPos:    10,
-									},
-								},
-								Value: []byte("1"),
-							},
-							DoubleArrowTkn: &token.Token{
-								ID:    token.T_DOUBLE_ARROW,
-								Value: []byte("=>"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  10,
-									EndPos:    12,
-								},
-							},
-							Val: &ast.ScalarLnumber{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  12,
-									EndPos:    13,
-								},
-								NumberTkn: &token.Token{
-									ID:    token.T_LNUMBER,
-									Value: []byte("1"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  12,
-										EndPos:    13,
-									},
-								},
-								Value: []byte("1"),
-							},
-						},
-						&ast.ExprArrayItem{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  15,
-								EndPos:    18,
-							},
-							AmpersandTkn: &token.Token{
-								ID:    token.ID(38),
-								Value: []byte("&"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  15,
-									EndPos:    16,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  14,
-											EndPos:    15,
-										},
-									},
-								},
-							},
-							Val: &ast.ExprVariable{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  16,
-									EndPos:    18,
-								},
-								Name: &ast.Identifier{
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  16,
-										EndPos:    18,
-									},
-									IdentifierTkn: &token.Token{
-										ID:    token.T_VARIABLE,
-										Value: []byte("$b"),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  16,
-											EndPos:    18,
-										},
-									},
-									Value: []byte("$b"),
-								},
-							},
-						},
-						&ast.ExprArrayItem{},
-					},
-					SeparatorTkns: []*token.Token{
-						{
-							ID:    token.ID(44),
-							Value: []byte(","),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  13,
-								EndPos:    14,
-							},
-						},
-						{
-							ID:    token.ID(44),
-							Value: []byte(","),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  18,
-								EndPos:    19,
-							},
-						},
-					},
-					CloseBracketTkn: &token.Token{
-						ID:    token.ID(41),
-						Value: []byte(")"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  19,
-							EndPos:    20,
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  20,
-						EndPos:    21,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestExprBitwiseNot(t *testing.T) {
-	src := `<? ~$a;`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    7,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    7,
-				},
-				Expr: &ast.ExprBitwiseNot{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    6,
-					},
-					TildaTkn: &token.Token{
-						ID:    token.ID(126),
-						Value: []byte("~"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    4,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_OPEN_TAG,
-								Value: []byte("<?"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  0,
-									EndPos:    2,
-								},
-							},
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  2,
-									EndPos:    3,
-								},
-							},
-						},
-					},
-					Expr: &ast.ExprVariable{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  4,
-							EndPos:    6,
-						},
-						Name: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  4,
-								EndPos:    6,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_VARIABLE,
-								Value: []byte("$a"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  4,
-									EndPos:    6,
-								},
-							},
-							Value: []byte("$a"),
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  6,
-						EndPos:    7,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestExprBooleanNot(t *testing.T) {
-	src := `<? !$a;`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    7,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    7,
-				},
-				Expr: &ast.ExprBooleanNot{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    6,
-					},
-					ExclamationTkn: &token.Token{
-						ID:    token.ID(33),
-						Value: []byte("!"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    4,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_OPEN_TAG,
-								Value: []byte("<?"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  0,
-									EndPos:    2,
-								},
-							},
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  2,
-									EndPos:    3,
-								},
-							},
-						},
-					},
-					Expr: &ast.ExprVariable{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  4,
-							EndPos:    6,
-						},
-						Name: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  4,
-								EndPos:    6,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_VARIABLE,
-								Value: []byte("$a"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  4,
-									EndPos:    6,
-								},
-							},
-							Value: []byte("$a"),
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  6,
-						EndPos:    7,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestExprClassConstFetch(t *testing.T) {
-	src := `<? Foo::Bar;`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    12,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    12,
-				},
-				Expr: &ast.ExprClassConstFetch{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    11,
-					},
-					Class: &ast.Name{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    6,
-						},
-						Parts: []ast.Vertex{
-							&ast.NamePart{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  3,
-									EndPos:    6,
-								},
-								StringTkn: &token.Token{
-									ID:    token.T_STRING,
-									Value: []byte("Foo"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  3,
-										EndPos:    6,
-									},
-									FreeFloating: []*token.Token{
-										{
-											ID:    token.T_OPEN_TAG,
-											Value: []byte("<?"),
-											Position: &position.Position{
-												StartLine: 1,
-												EndLine:   1,
-												StartPos:  0,
-												EndPos:    2,
-											},
-										},
-										{
-											ID:    token.T_WHITESPACE,
-											Value: []byte(" "),
-											Position: &position.Position{
-												StartLine: 1,
-												EndLine:   1,
-												StartPos:  2,
-												EndPos:    3,
-											},
-										},
-									},
-								},
-								Value: []byte("Foo"),
-							},
-						},
-					},
-					DoubleColonTkn: &token.Token{
-						ID:    token.T_PAAMAYIM_NEKUDOTAYIM,
-						Value: []byte("::"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  6,
-							EndPos:    8,
-						},
-					},
-					Const: &ast.Identifier{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  8,
-							EndPos:    11,
-						},
-						IdentifierTkn: &token.Token{
-							ID:    token.T_STRING,
-							Value: []byte("Bar"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  8,
-								EndPos:    11,
-							},
-						},
-						Value: []byte("Bar"),
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  11,
-						EndPos:    12,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestExprClassConstFetch_Static(t *testing.T) {
-	src := `<? static::bar;`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    15,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    15,
-				},
-				Expr: &ast.ExprClassConstFetch{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    14,
-					},
-					Class: &ast.Identifier{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    9,
-						},
-						IdentifierTkn: &token.Token{
-							ID:    token.T_STATIC,
-							Value: []byte("static"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  3,
-								EndPos:    9,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_OPEN_TAG,
-									Value: []byte("<?"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  0,
-										EndPos:    2,
-									},
-								},
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  2,
-										EndPos:    3,
-									},
-								},
-							},
-						},
-						Value: []byte("static"),
-					},
-					DoubleColonTkn: &token.Token{
-						ID:    token.T_PAAMAYIM_NEKUDOTAYIM,
-						Value: []byte("::"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  9,
-							EndPos:    11,
-						},
-					},
-					Const: &ast.Identifier{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  11,
-							EndPos:    14,
-						},
-						IdentifierTkn: &token.Token{
-							ID:    token.T_STRING,
-							Value: []byte("bar"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  11,
-								EndPos:    14,
-							},
-						},
-						Value: []byte("bar"),
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  14,
-						EndPos:    15,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestExprClone_Brackets(t *testing.T) {
-	src := `<? clone($a);`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    13,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    13,
-				},
-				Expr: &ast.ExprClone{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    12,
-					},
-					CloneTkn: &token.Token{
-						ID:    token.T_CLONE,
-						Value: []byte("clone"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    8,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_OPEN_TAG,
-								Value: []byte("<?"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  0,
-									EndPos:    2,
-								},
-							},
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  2,
-									EndPos:    3,
-								},
-							},
-						},
-					},
-					Expr: &ast.ExprBrackets{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  8,
-							EndPos:    12,
-						},
-						OpenParenthesisTkn: &token.Token{
-							ID:    token.ID(40),
-							Value: []byte("("),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  8,
-								EndPos:    9,
-							},
-						},
-						Expr: &ast.ExprVariable{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  9,
-								EndPos:    11,
-							},
-							Name: &ast.Identifier{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  9,
-									EndPos:    11,
-								},
-								IdentifierTkn: &token.Token{
-									ID:    token.T_VARIABLE,
-									Value: []byte("$a"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  9,
-										EndPos:    11,
-									},
-								},
-								Value: []byte("$a"),
-							},
-						},
-						CloseParenthesisTkn: &token.Token{
-							ID:    token.ID(41),
-							Value: []byte(")"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  11,
-								EndPos:    12,
-							},
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  12,
-						EndPos:    13,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestExprClone(t *testing.T) {
-	src := `<? clone $a;`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    12,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    12,
-				},
-				Expr: &ast.ExprClone{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    11,
-					},
-					CloneTkn: &token.Token{
-						ID:    token.T_CLONE,
-						Value: []byte("clone"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    8,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_OPEN_TAG,
-								Value: []byte("<?"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  0,
-									EndPos:    2,
-								},
-							},
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  2,
-									EndPos:    3,
-								},
-							},
-						},
-					},
-					Expr: &ast.ExprVariable{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  9,
-							EndPos:    11,
-						},
-						Name: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  9,
-								EndPos:    11,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_VARIABLE,
-								Value: []byte("$a"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  9,
-									EndPos:    11,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  8,
-											EndPos:    9,
-										},
-									},
-								},
-							},
-							Value: []byte("$a"),
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  11,
-						EndPos:    12,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestExprClosure(t *testing.T) {
-	src := `<? function(){};`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    16,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    16,
-				},
-				Expr: &ast.ExprClosure{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    15,
-					},
-					FunctionTkn: &token.Token{
-						ID:    token.T_FUNCTION,
-						Value: []byte("function"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    11,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_OPEN_TAG,
-								Value: []byte("<?"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  0,
-									EndPos:    2,
-								},
-							},
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  2,
-									EndPos:    3,
-								},
-							},
-						},
-					},
-					OpenParenthesisTkn: &token.Token{
-						ID:    token.ID(40),
-						Value: []byte("("),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  11,
-							EndPos:    12,
-						},
-					},
-					CloseParenthesisTkn: &token.Token{
-						ID:    token.ID(41),
-						Value: []byte(")"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  12,
-							EndPos:    13,
-						},
-					},
-					OpenCurlyBracketTkn: &token.Token{
-						ID:    token.ID(123),
-						Value: []byte("{"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  13,
-							EndPos:    14,
-						},
-					},
-					Stmts: []ast.Vertex{},
-					CloseCurlyBracketTkn: &token.Token{
-						ID:    token.ID(125),
-						Value: []byte("}"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  14,
-							EndPos:    15,
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  15,
-						EndPos:    16,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestExprClosure_Use(t *testing.T) {
-	src := `<? function($a, $b) use ($c, &$d) {};`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    37,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    37,
-				},
-				Expr: &ast.ExprClosure{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    36,
-					},
-					FunctionTkn: &token.Token{
-						ID:    token.T_FUNCTION,
-						Value: []byte("function"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    11,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_OPEN_TAG,
-								Value: []byte("<?"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  0,
-									EndPos:    2,
-								},
-							},
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  2,
-									EndPos:    3,
-								},
-							},
-						},
-					},
-					OpenParenthesisTkn: &token.Token{
-						ID:    token.ID(40),
-						Value: []byte("("),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  11,
-							EndPos:    12,
-						},
-					},
-					Params: []ast.Vertex{
-						&ast.Parameter{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  12,
-								EndPos:    14,
-							},
-							Var: &ast.ExprVariable{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  12,
-									EndPos:    14,
-								},
-								Name: &ast.Identifier{
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  12,
-										EndPos:    14,
-									},
-									IdentifierTkn: &token.Token{
-										ID:    token.T_VARIABLE,
-										Value: []byte("$a"),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  12,
-											EndPos:    14,
-										},
-									},
-									Value: []byte("$a"),
-								},
-							},
-						},
-						&ast.Parameter{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  16,
-								EndPos:    18,
-							},
-							Var: &ast.ExprVariable{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  16,
-									EndPos:    18,
-								},
-								Name: &ast.Identifier{
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  16,
-										EndPos:    18,
-									},
-									IdentifierTkn: &token.Token{
-										ID:    token.T_VARIABLE,
-										Value: []byte("$b"),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  16,
-											EndPos:    18,
-										},
-										FreeFloating: []*token.Token{
-											{
-												ID:    token.T_WHITESPACE,
-												Value: []byte(" "),
-												Position: &position.Position{
-													StartLine: 1,
-													EndLine:   1,
-													StartPos:  15,
-													EndPos:    16,
-												},
-											},
-										},
-									},
-									Value: []byte("$b"),
-								},
-							},
-						},
-					},
-					SeparatorTkns: []*token.Token{
-						{
-							ID:    token.ID(44),
-							Value: []byte(","),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  14,
-								EndPos:    15,
-							},
-						},
-					},
-					CloseParenthesisTkn: &token.Token{
-						ID:    token.ID(41),
-						Value: []byte(")"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  18,
-							EndPos:    19,
-						},
-					},
-					UseTkn: &token.Token{
-						ID:    token.T_USE,
-						Value: []byte("use"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  20,
-							EndPos:    23,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  19,
-									EndPos:    20,
-								},
-							},
-						},
-					},
-					UseOpenParenthesisTkn: &token.Token{
-						ID:    token.ID(40),
-						Value: []byte("("),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  24,
-							EndPos:    25,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  23,
-									EndPos:    24,
-								},
-							},
-						},
-					},
-					Uses: []ast.Vertex{
-						&ast.ExprClosureUse{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  25,
-								EndPos:    27,
-							},
-							Var: &ast.ExprVariable{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  25,
-									EndPos:    27,
-								},
-								Name: &ast.Identifier{
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  25,
-										EndPos:    27,
-									},
-									IdentifierTkn: &token.Token{
-										ID:    token.T_VARIABLE,
-										Value: []byte("$c"),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  25,
-											EndPos:    27,
-										},
-									},
-									Value: []byte("$c"),
-								},
-							},
-						},
-						&ast.ExprClosureUse{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  29,
-								EndPos:    32,
-							},
-							AmpersandTkn: &token.Token{
-								ID:    token.ID(38),
-								Value: []byte("&"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  29,
-									EndPos:    30,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  28,
-											EndPos:    29,
-										},
-									},
-								},
-							},
-							Var: &ast.ExprVariable{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  30,
-									EndPos:    32,
-								},
-								Name: &ast.Identifier{
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  30,
-										EndPos:    32,
-									},
-									IdentifierTkn: &token.Token{
-										ID:    token.T_VARIABLE,
-										Value: []byte("$d"),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  30,
-											EndPos:    32,
-										},
-									},
-									Value: []byte("$d"),
-								},
-							},
-						},
-					},
-					UseSeparatorTkns: []*token.Token{
-						{
-							ID:    token.ID(44),
-							Value: []byte(","),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  27,
-								EndPos:    28,
-							},
-						},
-					},
-					UseCloseParenthesisTkn: &token.Token{
-						ID:    token.ID(41),
-						Value: []byte(")"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  32,
-							EndPos:    33,
-						},
-					},
-					OpenCurlyBracketTkn: &token.Token{
-						ID:    token.ID(123),
-						Value: []byte("{"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  34,
-							EndPos:    35,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  33,
-									EndPos:    34,
-								},
-							},
-						},
-					},
-					Stmts: []ast.Vertex{},
-					CloseCurlyBracketTkn: &token.Token{
-						ID:    token.ID(125),
-						Value: []byte("}"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  35,
-							EndPos:    36,
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  36,
-						EndPos:    37,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestExprClosure_Use2(t *testing.T) {
-	src := `<? function($a, $b) use (&$c, $d) {};`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    37,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    37,
-				},
-				Expr: &ast.ExprClosure{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    36,
-					},
-					FunctionTkn: &token.Token{
-						ID:    token.T_FUNCTION,
-						Value: []byte("function"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    11,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_OPEN_TAG,
-								Value: []byte("<?"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  0,
-									EndPos:    2,
-								},
-							},
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  2,
-									EndPos:    3,
-								},
-							},
-						},
-					},
-					OpenParenthesisTkn: &token.Token{
-						ID:    token.ID(40),
-						Value: []byte("("),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  11,
-							EndPos:    12,
-						},
-					},
-					Params: []ast.Vertex{
-						&ast.Parameter{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  12,
-								EndPos:    14,
-							},
-							Var: &ast.ExprVariable{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  12,
-									EndPos:    14,
-								},
-								Name: &ast.Identifier{
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  12,
-										EndPos:    14,
-									},
-									IdentifierTkn: &token.Token{
-										ID:    token.T_VARIABLE,
-										Value: []byte("$a"),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  12,
-											EndPos:    14,
-										},
-									},
-									Value: []byte("$a"),
-								},
-							},
-						},
-						&ast.Parameter{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  16,
-								EndPos:    18,
-							},
-							Var: &ast.ExprVariable{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  16,
-									EndPos:    18,
-								},
-								Name: &ast.Identifier{
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  16,
-										EndPos:    18,
-									},
-									IdentifierTkn: &token.Token{
-										ID:    token.T_VARIABLE,
-										Value: []byte("$b"),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  16,
-											EndPos:    18,
-										},
-										FreeFloating: []*token.Token{
-											{
-												ID:    token.T_WHITESPACE,
-												Value: []byte(" "),
-												Position: &position.Position{
-													StartLine: 1,
-													EndLine:   1,
-													StartPos:  15,
-													EndPos:    16,
-												},
-											},
-										},
-									},
-									Value: []byte("$b"),
-								},
-							},
-						},
-					},
-					SeparatorTkns: []*token.Token{
-						{
-							ID:    token.ID(44),
-							Value: []byte(","),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  14,
-								EndPos:    15,
-							},
-						},
-					},
-					CloseParenthesisTkn: &token.Token{
-						ID:    token.ID(41),
-						Value: []byte(")"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  18,
-							EndPos:    19,
-						},
-					},
-					UseTkn: &token.Token{
-						ID:    token.T_USE,
-						Value: []byte("use"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  20,
-							EndPos:    23,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  19,
-									EndPos:    20,
-								},
-							},
-						},
-					},
-					UseOpenParenthesisTkn: &token.Token{
-						ID:    token.ID(40),
-						Value: []byte("("),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  24,
-							EndPos:    25,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  23,
-									EndPos:    24,
-								},
-							},
-						},
-					},
-					Uses: []ast.Vertex{
-						&ast.ExprClosureUse{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  25,
-								EndPos:    28,
-							},
-							AmpersandTkn: &token.Token{
-								ID:    token.ID(38),
-								Value: []byte("&"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  25,
-									EndPos:    26,
-								},
-							},
-							Var: &ast.ExprVariable{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  26,
-									EndPos:    28,
-								},
-								Name: &ast.Identifier{
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  26,
-										EndPos:    28,
-									},
-									IdentifierTkn: &token.Token{
-										ID:    token.T_VARIABLE,
-										Value: []byte("$c"),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  26,
-											EndPos:    28,
-										},
-									},
-									Value: []byte("$c"),
-								},
-							},
-						},
-						&ast.ExprClosureUse{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  30,
-								EndPos:    32,
-							},
-							Var: &ast.ExprVariable{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  30,
-									EndPos:    32,
-								},
-								Name: &ast.Identifier{
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  30,
-										EndPos:    32,
-									},
-									IdentifierTkn: &token.Token{
-										ID:    token.T_VARIABLE,
-										Value: []byte("$d"),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  30,
-											EndPos:    32,
-										},
-										FreeFloating: []*token.Token{
-											{
-												ID:    token.T_WHITESPACE,
-												Value: []byte(" "),
-												Position: &position.Position{
-													StartLine: 1,
-													EndLine:   1,
-													StartPos:  29,
-													EndPos:    30,
-												},
-											},
-										},
-									},
-									Value: []byte("$d"),
-								},
-							},
-						},
-					},
-					UseSeparatorTkns: []*token.Token{
-						{
-							ID:    token.ID(44),
-							Value: []byte(","),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  28,
-								EndPos:    29,
-							},
-						},
-					},
-					UseCloseParenthesisTkn: &token.Token{
-						ID:    token.ID(41),
-						Value: []byte(")"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  32,
-							EndPos:    33,
-						},
-					},
-					OpenCurlyBracketTkn: &token.Token{
-						ID:    token.ID(123),
-						Value: []byte("{"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  34,
-							EndPos:    35,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  33,
-									EndPos:    34,
-								},
-							},
-						},
-					},
-					Stmts: []ast.Vertex{},
-					CloseCurlyBracketTkn: &token.Token{
-						ID:    token.ID(125),
-						Value: []byte("}"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  35,
-							EndPos:    36,
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  36,
-						EndPos:    37,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestExprConstFetch(t *testing.T) {
-	src := `<? foo;`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    7,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    7,
-				},
-				Expr: &ast.ExprConstFetch{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    6,
-					},
-					Const: &ast.Name{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    6,
-						},
-						Parts: []ast.Vertex{
-							&ast.NamePart{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  3,
-									EndPos:    6,
-								},
-								StringTkn: &token.Token{
-									ID:    token.T_STRING,
-									Value: []byte("foo"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  3,
-										EndPos:    6,
-									},
-									FreeFloating: []*token.Token{
-										{
-											ID:    token.T_OPEN_TAG,
-											Value: []byte("<?"),
-											Position: &position.Position{
-												StartLine: 1,
-												EndLine:   1,
-												StartPos:  0,
-												EndPos:    2,
-											},
-										},
-										{
-											ID:    token.T_WHITESPACE,
-											Value: []byte(" "),
-											Position: &position.Position{
-												StartLine: 1,
-												EndLine:   1,
-												StartPos:  2,
-												EndPos:    3,
-											},
-										},
-									},
-								},
-								Value: []byte("foo"),
-							},
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  6,
-						EndPos:    7,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestExprConstFetch_Relative(t *testing.T) {
-	src := `<? namespace\foo;`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    17,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    17,
-				},
-				Expr: &ast.ExprConstFetch{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    16,
-					},
-					Const: &ast.NameRelative{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    16,
-						},
-						NsTkn: &token.Token{
-							ID:    token.T_NAMESPACE,
-							Value: []byte("namespace"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  3,
-								EndPos:    12,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_OPEN_TAG,
-									Value: []byte("<?"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  0,
-										EndPos:    2,
-									},
-								},
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  2,
-										EndPos:    3,
-									},
-								},
-							},
-						},
-						NsSeparatorTkn: &token.Token{
-							ID:    token.T_NS_SEPARATOR,
-							Value: []byte("\\"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  12,
-								EndPos:    13,
-							},
-						},
-						Parts: []ast.Vertex{
-							&ast.NamePart{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  13,
-									EndPos:    16,
-								},
-								StringTkn: &token.Token{
-									ID:    token.T_STRING,
-									Value: []byte("foo"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  13,
-										EndPos:    16,
-									},
-								},
-								Value: []byte("foo"),
-							},
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  16,
-						EndPos:    17,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestExprConstFetch_FullyQualified(t *testing.T) {
-	src := `<? \foo;`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    8,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    8,
-				},
-				Expr: &ast.ExprConstFetch{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    7,
-					},
-					Const: &ast.NameFullyQualified{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    7,
-						},
-						NsSeparatorTkn: &token.Token{
-							ID:    token.T_NS_SEPARATOR,
-							Value: []byte("\\"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  3,
-								EndPos:    4,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_OPEN_TAG,
-									Value: []byte("<?"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  0,
-										EndPos:    2,
-									},
-								},
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  2,
-										EndPos:    3,
-									},
-								},
-							},
-						},
-						Parts: []ast.Vertex{
-							&ast.NamePart{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  4,
-									EndPos:    7,
-								},
-								StringTkn: &token.Token{
-									ID:    token.T_STRING,
-									Value: []byte("foo"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  4,
-										EndPos:    7,
-									},
-								},
-								Value: []byte("foo"),
-							},
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  7,
-						EndPos:    8,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestExprEmpty(t *testing.T) {
-	src := `<? empty($a);`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    13,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    13,
-				},
-				Expr: &ast.ExprEmpty{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    12,
-					},
-					EmptyTkn: &token.Token{
-						ID:    token.T_EMPTY,
-						Value: []byte("empty"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    8,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_OPEN_TAG,
-								Value: []byte("<?"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  0,
-									EndPos:    2,
-								},
-							},
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  2,
-									EndPos:    3,
-								},
-							},
-						},
-					},
-					OpenParenthesisTkn: &token.Token{
-						ID:    token.ID(40),
-						Value: []byte("("),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  8,
-							EndPos:    9,
-						},
-					},
-					Expr: &ast.ExprVariable{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  9,
-							EndPos:    11,
-						},
-						Name: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  9,
-								EndPos:    11,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_VARIABLE,
-								Value: []byte("$a"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  9,
-									EndPos:    11,
-								},
-							},
-							Value: []byte("$a"),
-						},
-					},
-					CloseParenthesisTkn: &token.Token{
-						ID:    token.ID(41),
-						Value: []byte(")"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  11,
-							EndPos:    12,
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  12,
-						EndPos:    13,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestExprErrorSuppress(t *testing.T) {
-	src := `<? @$a;`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    7,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    7,
-				},
-				Expr: &ast.ExprErrorSuppress{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    6,
-					},
-					AtTkn: &token.Token{
-						ID:    token.ID(64),
-						Value: []byte("@"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    4,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_OPEN_TAG,
-								Value: []byte("<?"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  0,
-									EndPos:    2,
-								},
-							},
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  2,
-									EndPos:    3,
-								},
-							},
-						},
-					},
-					Expr: &ast.ExprVariable{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  4,
-							EndPos:    6,
-						},
-						Name: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  4,
-								EndPos:    6,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_VARIABLE,
-								Value: []byte("$a"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  4,
-									EndPos:    6,
-								},
-							},
-							Value: []byte("$a"),
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  6,
-						EndPos:    7,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestExprEval(t *testing.T) {
-	src := `<? eval($a);`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    12,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    12,
-				},
-				Expr: &ast.ExprEval{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    11,
-					},
-					EvalTkn: &token.Token{
-						ID:    token.T_EVAL,
-						Value: []byte("eval"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    7,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_OPEN_TAG,
-								Value: []byte("<?"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  0,
-									EndPos:    2,
-								},
-							},
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  2,
-									EndPos:    3,
-								},
-							},
-						},
-					},
-					OpenParenthesisTkn: &token.Token{
-						ID:    token.ID(40),
-						Value: []byte("("),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  7,
-							EndPos:    8,
-						},
-					},
-					Expr: &ast.ExprVariable{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  8,
-							EndPos:    10,
-						},
-						Name: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  8,
-								EndPos:    10,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_VARIABLE,
-								Value: []byte("$a"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  8,
-									EndPos:    10,
-								},
-							},
-							Value: []byte("$a"),
-						},
-					},
-					CloseParenthesisTkn: &token.Token{
-						ID:    token.ID(41),
-						Value: []byte(")"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  10,
-							EndPos:    11,
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  11,
-						EndPos:    12,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestExprExit(t *testing.T) {
-	src := `<? exit;`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    8,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    8,
-				},
-				Expr: &ast.ExprExit{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    7,
-					},
-					ExitTkn: &token.Token{
-						ID:    token.T_EXIT,
-						Value: []byte("exit"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    7,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_OPEN_TAG,
-								Value: []byte("<?"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  0,
-									EndPos:    2,
-								},
-							},
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  2,
-									EndPos:    3,
-								},
-							},
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  7,
-						EndPos:    8,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestExprExit_Empty(t *testing.T) {
-	src := `<? exit();`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    10,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    10,
-				},
-				Expr: &ast.ExprExit{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    9,
-					},
-					ExitTkn: &token.Token{
-						ID:    token.T_EXIT,
-						Value: []byte("exit"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    7,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_OPEN_TAG,
-								Value: []byte("<?"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  0,
-									EndPos:    2,
-								},
-							},
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  2,
-									EndPos:    3,
-								},
-							},
-						},
-					},
-					OpenParenthesisTkn: &token.Token{
-						ID:    token.ID(40),
-						Value: []byte("("),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  7,
-							EndPos:    8,
-						},
-					},
-					CloseParenthesisTkn: &token.Token{
-						ID:    token.ID(41),
-						Value: []byte(")"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  8,
-							EndPos:    9,
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  9,
-						EndPos:    10,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestExprExit_Expr(t *testing.T) {
-	src := `<? exit($a);`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    12,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    12,
-				},
-				Expr: &ast.ExprExit{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    11,
-					},
-					ExitTkn: &token.Token{
-						ID:    token.T_EXIT,
-						Value: []byte("exit"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    7,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_OPEN_TAG,
-								Value: []byte("<?"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  0,
-									EndPos:    2,
-								},
-							},
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  2,
-									EndPos:    3,
-								},
-							},
-						},
-					},
-					OpenParenthesisTkn: &token.Token{
-						ID:    token.ID(40),
-						Value: []byte("("),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  7,
-							EndPos:    8,
-						},
-					},
-					Expr: &ast.ExprVariable{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  8,
-							EndPos:    10,
-						},
-						Name: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  8,
-								EndPos:    10,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_VARIABLE,
-								Value: []byte("$a"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  8,
-									EndPos:    10,
-								},
-							},
-							Value: []byte("$a"),
-						},
-					},
-					CloseParenthesisTkn: &token.Token{
-						ID:    token.ID(41),
-						Value: []byte(")"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  10,
-							EndPos:    11,
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  11,
-						EndPos:    12,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestExprDie(t *testing.T) {
-	src := `<? die;`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    7,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    7,
-				},
-				Expr: &ast.ExprExit{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    6,
-					},
-					ExitTkn: &token.Token{
-						ID:    token.T_EXIT,
-						Value: []byte("die"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    6,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_OPEN_TAG,
-								Value: []byte("<?"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  0,
-									EndPos:    2,
-								},
-							},
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  2,
-									EndPos:    3,
-								},
-							},
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  6,
-						EndPos:    7,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestExprDie_Empty(t *testing.T) {
-	src := `<? die();`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    9,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    9,
-				},
-				Expr: &ast.ExprExit{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    8,
-					},
-					ExitTkn: &token.Token{
-						ID:    token.T_EXIT,
-						Value: []byte("die"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    6,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_OPEN_TAG,
-								Value: []byte("<?"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  0,
-									EndPos:    2,
-								},
-							},
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  2,
-									EndPos:    3,
-								},
-							},
-						},
-					},
-					OpenParenthesisTkn: &token.Token{
-						ID:    token.ID(40),
-						Value: []byte("("),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  6,
-							EndPos:    7,
-						},
-					},
-					CloseParenthesisTkn: &token.Token{
-						ID:    token.ID(41),
-						Value: []byte(")"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  7,
-							EndPos:    8,
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  8,
-						EndPos:    9,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestExprDie_Expr(t *testing.T) {
-	src := `<? die($a);`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    11,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    11,
-				},
-				Expr: &ast.ExprExit{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    10,
-					},
-					ExitTkn: &token.Token{
-						ID:    token.T_EXIT,
-						Value: []byte("die"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    6,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_OPEN_TAG,
-								Value: []byte("<?"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  0,
-									EndPos:    2,
-								},
-							},
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  2,
-									EndPos:    3,
-								},
-							},
-						},
-					},
-					OpenParenthesisTkn: &token.Token{
-						ID:    token.ID(40),
-						Value: []byte("("),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  6,
-							EndPos:    7,
-						},
-					},
-					Expr: &ast.ExprVariable{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  7,
-							EndPos:    9,
-						},
-						Name: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  7,
-								EndPos:    9,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_VARIABLE,
-								Value: []byte("$a"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  7,
-									EndPos:    9,
-								},
-							},
-							Value: []byte("$a"),
-						},
-					},
-					CloseParenthesisTkn: &token.Token{
-						ID:    token.ID(41),
-						Value: []byte(")"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  9,
-							EndPos:    10,
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  10,
-						EndPos:    11,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestExprFunctionCall(t *testing.T) {
-	src := `<? foo();`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    9,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    9,
-				},
-				Expr: &ast.ExprFunctionCall{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    8,
-					},
-					Function: &ast.Name{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    6,
-						},
-						Parts: []ast.Vertex{
-							&ast.NamePart{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  3,
-									EndPos:    6,
-								},
-								StringTkn: &token.Token{
-									ID:    token.T_STRING,
-									Value: []byte("foo"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  3,
-										EndPos:    6,
-									},
-									FreeFloating: []*token.Token{
-										{
-											ID:    token.T_OPEN_TAG,
-											Value: []byte("<?"),
-											Position: &position.Position{
-												StartLine: 1,
-												EndLine:   1,
-												StartPos:  0,
-												EndPos:    2,
-											},
-										},
-										{
-											ID:    token.T_WHITESPACE,
-											Value: []byte(" "),
-											Position: &position.Position{
-												StartLine: 1,
-												EndLine:   1,
-												StartPos:  2,
-												EndPos:    3,
-											},
-										},
-									},
-								},
-								Value: []byte("foo"),
-							},
-						},
-					},
-					OpenParenthesisTkn: &token.Token{
-						ID:    token.ID(40),
-						Value: []byte("("),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  6,
-							EndPos:    7,
-						},
-					},
-					CloseParenthesisTkn: &token.Token{
-						ID:    token.ID(41),
-						Value: []byte(")"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  7,
-							EndPos:    8,
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  8,
-						EndPos:    9,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestExprFunctionCall_Relative(t *testing.T) {
-	src := `<? namespace\foo();`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    19,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    19,
-				},
-				Expr: &ast.ExprFunctionCall{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    18,
-					},
-					Function: &ast.NameRelative{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    16,
-						},
-						NsTkn: &token.Token{
-							ID:    token.T_NAMESPACE,
-							Value: []byte("namespace"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  3,
-								EndPos:    12,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_OPEN_TAG,
-									Value: []byte("<?"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  0,
-										EndPos:    2,
-									},
-								},
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  2,
-										EndPos:    3,
-									},
-								},
-							},
-						},
-						NsSeparatorTkn: &token.Token{
-							ID:    token.T_NS_SEPARATOR,
-							Value: []byte("\\"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  12,
-								EndPos:    13,
-							},
-						},
-						Parts: []ast.Vertex{
-							&ast.NamePart{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  13,
-									EndPos:    16,
-								},
-								StringTkn: &token.Token{
-									ID:    token.T_STRING,
-									Value: []byte("foo"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  13,
-										EndPos:    16,
-									},
-								},
-								Value: []byte("foo"),
-							},
-						},
-					},
-					OpenParenthesisTkn: &token.Token{
-						ID:    token.ID(40),
-						Value: []byte("("),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  16,
-							EndPos:    17,
-						},
-					},
-					CloseParenthesisTkn: &token.Token{
-						ID:    token.ID(41),
-						Value: []byte(")"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  17,
-							EndPos:    18,
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  18,
-						EndPos:    19,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestExprFunctionCall_FullyQualified(t *testing.T) {
-	src := `<? \foo([]);`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    12,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    12,
-				},
-				Expr: &ast.ExprFunctionCall{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    11,
-					},
-					Function: &ast.NameFullyQualified{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    7,
-						},
-						NsSeparatorTkn: &token.Token{
-							ID:    token.T_NS_SEPARATOR,
-							Value: []byte("\\"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  3,
-								EndPos:    4,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_OPEN_TAG,
-									Value: []byte("<?"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  0,
-										EndPos:    2,
-									},
-								},
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  2,
-										EndPos:    3,
-									},
-								},
-							},
-						},
-						Parts: []ast.Vertex{
-							&ast.NamePart{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  4,
-									EndPos:    7,
-								},
-								StringTkn: &token.Token{
-									ID:    token.T_STRING,
-									Value: []byte("foo"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  4,
-										EndPos:    7,
-									},
-								},
-								Value: []byte("foo"),
-							},
-						},
-					},
-					OpenParenthesisTkn: &token.Token{
-						ID:    token.ID(40),
-						Value: []byte("("),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  7,
-							EndPos:    8,
-						},
-					},
-					Args: []ast.Vertex{
-						&ast.Argument{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  8,
-								EndPos:    10,
-							},
-							Expr: &ast.ExprArray{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  8,
-									EndPos:    10,
-								},
-								OpenBracketTkn: &token.Token{
-									ID:    token.ID(91),
-									Value: []byte("["),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  8,
-										EndPos:    9,
-									},
-								},
-								CloseBracketTkn: &token.Token{
-									ID:    token.ID(93),
-									Value: []byte("]"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  9,
-										EndPos:    10,
-									},
-								},
-							},
-						},
-					},
-					CloseParenthesisTkn: &token.Token{
-						ID:    token.ID(41),
-						Value: []byte(")"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  10,
-							EndPos:    11,
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  11,
-						EndPos:    12,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestExprFunctionCall_Var(t *testing.T) {
-	src := `<? $foo(yield $a);`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    18,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    18,
-				},
-				Expr: &ast.ExprFunctionCall{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    17,
-					},
-					Function: &ast.ExprVariable{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    7,
-						},
-						Name: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  3,
-								EndPos:    7,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_VARIABLE,
-								Value: []byte("$foo"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  3,
-									EndPos:    7,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_OPEN_TAG,
-										Value: []byte("<?"),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  0,
-											EndPos:    2,
-										},
-									},
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  2,
-											EndPos:    3,
-										},
-									},
-								},
-							},
-							Value: []byte("$foo"),
-						},
-					},
-					OpenParenthesisTkn: &token.Token{
-						ID:    token.ID(40),
-						Value: []byte("("),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  7,
-							EndPos:    8,
-						},
-					},
-					Args: []ast.Vertex{
-						&ast.Argument{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  8,
-								EndPos:    16,
-							},
-							Expr: &ast.ExprYield{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  8,
-									EndPos:    16,
-								},
-								YieldTkn: &token.Token{
-									ID:    token.T_YIELD,
-									Value: []byte("yield"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  8,
-										EndPos:    13,
-									},
-								},
-								Val: &ast.ExprVariable{
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  14,
-										EndPos:    16,
-									},
-									Name: &ast.Identifier{
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  14,
-											EndPos:    16,
-										},
-										IdentifierTkn: &token.Token{
-											ID:    token.T_VARIABLE,
-											Value: []byte("$a"),
-											Position: &position.Position{
-												StartLine: 1,
-												EndLine:   1,
-												StartPos:  14,
-												EndPos:    16,
-											},
-											FreeFloating: []*token.Token{
-												{
-													ID:    token.T_WHITESPACE,
-													Value: []byte(" "),
-													Position: &position.Position{
-														StartLine: 1,
-														EndLine:   1,
-														StartPos:  13,
-														EndPos:    14,
-													},
-												},
-											},
-										},
-										Value: []byte("$a"),
-									},
-								},
-							},
-						},
-					},
-					CloseParenthesisTkn: &token.Token{
-						ID:    token.ID(41),
-						Value: []byte(")"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  16,
-							EndPos:    17,
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  17,
-						EndPos:    18,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestExprFunctionCall_ExprArg(t *testing.T) {
-	src := `<? ceil($foo/3);`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    16,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    16,
-				},
-				Expr: &ast.ExprFunctionCall{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    15,
-					},
-					Function: &ast.Name{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    7,
-						},
-						Parts: []ast.Vertex{
-							&ast.NamePart{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  3,
-									EndPos:    7,
-								},
-								StringTkn: &token.Token{
-									ID:    token.T_STRING,
-									Value: []byte("ceil"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  3,
-										EndPos:    7,
-									},
-									FreeFloating: []*token.Token{
-										{
-											ID:    token.T_OPEN_TAG,
-											Value: []byte("<?"),
-											Position: &position.Position{
-												StartLine: 1,
-												EndLine:   1,
-												StartPos:  0,
-												EndPos:    2,
-											},
-										},
-										{
-											ID:    token.T_WHITESPACE,
-											Value: []byte(" "),
-											Position: &position.Position{
-												StartLine: 1,
-												EndLine:   1,
-												StartPos:  2,
-												EndPos:    3,
-											},
-										},
-									},
-								},
-								Value: []byte("ceil"),
-							},
-						},
-					},
-					OpenParenthesisTkn: &token.Token{
-						ID:    token.ID(40),
-						Value: []byte("("),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  7,
-							EndPos:    8,
-						},
-					},
-					Args: []ast.Vertex{
-						&ast.Argument{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  8,
-								EndPos:    14,
-							},
-							Expr: &ast.ExprBinaryDiv{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  8,
-									EndPos:    14,
-								},
-								Left: &ast.ExprVariable{
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  8,
-										EndPos:    12,
-									},
-									Name: &ast.Identifier{
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  8,
-											EndPos:    12,
-										},
-										IdentifierTkn: &token.Token{
-											ID:    token.T_VARIABLE,
-											Value: []byte("$foo"),
-											Position: &position.Position{
-												StartLine: 1,
-												EndLine:   1,
-												StartPos:  8,
-												EndPos:    12,
-											},
-										},
-										Value: []byte("$foo"),
-									},
-								},
-								OpTkn: &token.Token{
-									ID:    token.ID(47),
-									Value: []byte("/"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  12,
-										EndPos:    13,
-									},
-								},
-								Right: &ast.ScalarLnumber{
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  13,
-										EndPos:    14,
-									},
-									NumberTkn: &token.Token{
-										ID:    token.T_LNUMBER,
-										Value: []byte("3"),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  13,
-											EndPos:    14,
-										},
-									},
-									Value: []byte("3"),
-								},
-							},
-						},
-					},
-					CloseParenthesisTkn: &token.Token{
-						ID:    token.ID(41),
-						Value: []byte(")"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  14,
-							EndPos:    15,
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  15,
-						EndPos:    16,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestExprPostDec(t *testing.T) {
-	src := `<? $a--;`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    8,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    8,
-				},
-				Expr: &ast.ExprPostDec{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    7,
-					},
-					Var: &ast.ExprVariable{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    5,
-						},
-						Name: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  3,
-								EndPos:    5,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_VARIABLE,
-								Value: []byte("$a"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  3,
-									EndPos:    5,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_OPEN_TAG,
-										Value: []byte("<?"),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  0,
-											EndPos:    2,
-										},
-									},
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  2,
-											EndPos:    3,
-										},
-									},
-								},
-							},
-							Value: []byte("$a"),
-						},
-					},
-					DecTkn: &token.Token{
-						ID:    token.T_DEC,
-						Value: []byte("--"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  5,
-							EndPos:    7,
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  7,
-						EndPos:    8,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestExprPostInc(t *testing.T) {
-	src := `<? $a++;`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    8,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    8,
-				},
-				Expr: &ast.ExprPostInc{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    7,
-					},
-					Var: &ast.ExprVariable{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    5,
-						},
-						Name: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  3,
-								EndPos:    5,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_VARIABLE,
-								Value: []byte("$a"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  3,
-									EndPos:    5,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_OPEN_TAG,
-										Value: []byte("<?"),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  0,
-											EndPos:    2,
-										},
-									},
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  2,
-											EndPos:    3,
-										},
-									},
-								},
-							},
-							Value: []byte("$a"),
-						},
-					},
-					IncTkn: &token.Token{
-						ID:    token.T_INC,
-						Value: []byte("++"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  5,
-							EndPos:    7,
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  7,
-						EndPos:    8,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestExprPreDec(t *testing.T) {
-	src := `<? --$a;`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    8,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    8,
-				},
-				Expr: &ast.ExprPreDec{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    7,
-					},
-					DecTkn: &token.Token{
-						ID:    token.T_DEC,
-						Value: []byte("--"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    5,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_OPEN_TAG,
-								Value: []byte("<?"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  0,
-									EndPos:    2,
-								},
-							},
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  2,
-									EndPos:    3,
-								},
-							},
-						},
-					},
-					Var: &ast.ExprVariable{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  5,
-							EndPos:    7,
-						},
-						Name: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  5,
-								EndPos:    7,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_VARIABLE,
-								Value: []byte("$a"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  5,
-									EndPos:    7,
-								},
-							},
-							Value: []byte("$a"),
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  7,
-						EndPos:    8,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestExprPreInc(t *testing.T) {
-	src := `<? ++$a;`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    8,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    8,
-				},
-				Expr: &ast.ExprPreInc{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    7,
-					},
-					IncTkn: &token.Token{
-						ID:    token.T_INC,
-						Value: []byte("++"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    5,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_OPEN_TAG,
-								Value: []byte("<?"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  0,
-									EndPos:    2,
-								},
-							},
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  2,
-									EndPos:    3,
-								},
-							},
-						},
-					},
-					Var: &ast.ExprVariable{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  5,
-							EndPos:    7,
-						},
-						Name: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  5,
-								EndPos:    7,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_VARIABLE,
-								Value: []byte("$a"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  5,
-									EndPos:    7,
-								},
-							},
-							Value: []byte("$a"),
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  7,
-						EndPos:    8,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestExprInclude(t *testing.T) {
-	src := `<? include $a;`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    14,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    14,
-				},
-				Expr: &ast.ExprInclude{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    13,
-					},
-					IncludeTkn: &token.Token{
-						ID:    token.T_INCLUDE,
-						Value: []byte("include"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    10,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_OPEN_TAG,
-								Value: []byte("<?"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  0,
-									EndPos:    2,
-								},
-							},
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  2,
-									EndPos:    3,
-								},
-							},
-						},
-					},
-					Expr: &ast.ExprVariable{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  11,
-							EndPos:    13,
-						},
-						Name: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  11,
-								EndPos:    13,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_VARIABLE,
-								Value: []byte("$a"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  11,
-									EndPos:    13,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  10,
-											EndPos:    11,
-										},
-									},
-								},
-							},
-							Value: []byte("$a"),
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  13,
-						EndPos:    14,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestExprInclude_Once(t *testing.T) {
-	src := `<? include_once $a;`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    19,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    19,
-				},
-				Expr: &ast.ExprIncludeOnce{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    18,
-					},
-					IncludeOnceTkn: &token.Token{
-						ID:    token.T_INCLUDE_ONCE,
-						Value: []byte("include_once"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    15,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_OPEN_TAG,
-								Value: []byte("<?"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  0,
-									EndPos:    2,
-								},
-							},
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  2,
-									EndPos:    3,
-								},
-							},
-						},
-					},
-					Expr: &ast.ExprVariable{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  16,
-							EndPos:    18,
-						},
-						Name: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  16,
-								EndPos:    18,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_VARIABLE,
-								Value: []byte("$a"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  16,
-									EndPos:    18,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  15,
-											EndPos:    16,
-										},
-									},
-								},
-							},
-							Value: []byte("$a"),
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  18,
-						EndPos:    19,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestExprRequire(t *testing.T) {
-	src := `<? require $a;`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    14,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    14,
-				},
-				Expr: &ast.ExprRequire{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    13,
-					},
-					RequireTkn: &token.Token{
-						ID:    token.T_REQUIRE,
-						Value: []byte("require"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    10,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_OPEN_TAG,
-								Value: []byte("<?"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  0,
-									EndPos:    2,
-								},
-							},
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  2,
-									EndPos:    3,
-								},
-							},
-						},
-					},
-					Expr: &ast.ExprVariable{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  11,
-							EndPos:    13,
-						},
-						Name: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  11,
-								EndPos:    13,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_VARIABLE,
-								Value: []byte("$a"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  11,
-									EndPos:    13,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  10,
-											EndPos:    11,
-										},
-									},
-								},
-							},
-							Value: []byte("$a"),
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  13,
-						EndPos:    14,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestExprRequire_Once(t *testing.T) {
-	src := `<? require_once $a;`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    19,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    19,
-				},
-				Expr: &ast.ExprRequireOnce{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    18,
-					},
-					RequireOnceTkn: &token.Token{
-						ID:    token.T_REQUIRE_ONCE,
-						Value: []byte("require_once"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    15,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_OPEN_TAG,
-								Value: []byte("<?"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  0,
-									EndPos:    2,
-								},
-							},
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  2,
-									EndPos:    3,
-								},
-							},
-						},
-					},
-					Expr: &ast.ExprVariable{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  16,
-							EndPos:    18,
-						},
-						Name: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  16,
-								EndPos:    18,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_VARIABLE,
-								Value: []byte("$a"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  16,
-									EndPos:    18,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  15,
-											EndPos:    16,
-										},
-									},
-								},
-							},
-							Value: []byte("$a"),
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  18,
-						EndPos:    19,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestExprInstanceOf(t *testing.T) {
-	src := `<? $a instanceof Foo;`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    21,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    21,
-				},
-				Expr: &ast.ExprInstanceOf{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    20,
-					},
-					Expr: &ast.ExprVariable{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    5,
-						},
-						Name: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  3,
-								EndPos:    5,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_VARIABLE,
-								Value: []byte("$a"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  3,
-									EndPos:    5,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_OPEN_TAG,
-										Value: []byte("<?"),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  0,
-											EndPos:    2,
-										},
-									},
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  2,
-											EndPos:    3,
-										},
-									},
-								},
-							},
-							Value: []byte("$a"),
-						},
-					},
-					InstanceOfTkn: &token.Token{
-						ID:    token.T_INSTANCEOF,
-						Value: []byte("instanceof"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  6,
-							EndPos:    16,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  5,
-									EndPos:    6,
-								},
-							},
-						},
-					},
-					Class: &ast.Name{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  17,
-							EndPos:    20,
-						},
-						Parts: []ast.Vertex{
-							&ast.NamePart{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  17,
-									EndPos:    20,
-								},
-								StringTkn: &token.Token{
-									ID:    token.T_STRING,
-									Value: []byte("Foo"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  17,
-										EndPos:    20,
-									},
-									FreeFloating: []*token.Token{
-										{
-											ID:    token.T_WHITESPACE,
-											Value: []byte(" "),
-											Position: &position.Position{
-												StartLine: 1,
-												EndLine:   1,
-												StartPos:  16,
-												EndPos:    17,
-											},
-										},
-									},
-								},
-								Value: []byte("Foo"),
-							},
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  20,
-						EndPos:    21,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestExprInstanceOf_Relative(t *testing.T) {
-	src := `<? $a instanceof namespace\Foo;`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    31,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    31,
-				},
-				Expr: &ast.ExprInstanceOf{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    30,
-					},
-					Expr: &ast.ExprVariable{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    5,
-						},
-						Name: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  3,
-								EndPos:    5,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_VARIABLE,
-								Value: []byte("$a"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  3,
-									EndPos:    5,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_OPEN_TAG,
-										Value: []byte("<?"),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  0,
-											EndPos:    2,
-										},
-									},
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  2,
-											EndPos:    3,
-										},
-									},
-								},
-							},
-							Value: []byte("$a"),
-						},
-					},
-					InstanceOfTkn: &token.Token{
-						ID:    token.T_INSTANCEOF,
-						Value: []byte("instanceof"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  6,
-							EndPos:    16,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  5,
-									EndPos:    6,
-								},
-							},
-						},
-					},
-					Class: &ast.NameRelative{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  17,
-							EndPos:    30,
-						},
-						NsTkn: &token.Token{
-							ID:    token.T_NAMESPACE,
-							Value: []byte("namespace"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  17,
-								EndPos:    26,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  16,
-										EndPos:    17,
-									},
-								},
-							},
-						},
-						NsSeparatorTkn: &token.Token{
-							ID:    token.T_NS_SEPARATOR,
-							Value: []byte("\\"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  26,
-								EndPos:    27,
-							},
-						},
-						Parts: []ast.Vertex{
-							&ast.NamePart{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  27,
-									EndPos:    30,
-								},
-								StringTkn: &token.Token{
-									ID:    token.T_STRING,
-									Value: []byte("Foo"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  27,
-										EndPos:    30,
-									},
-								},
-								Value: []byte("Foo"),
-							},
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  30,
-						EndPos:    31,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestExprInstanceOf_FullyQualified(t *testing.T) {
-	src := `<? $a instanceof \Foo;`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    22,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    22,
-				},
-				Expr: &ast.ExprInstanceOf{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    21,
-					},
-					Expr: &ast.ExprVariable{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    5,
-						},
-						Name: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  3,
-								EndPos:    5,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_VARIABLE,
-								Value: []byte("$a"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  3,
-									EndPos:    5,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_OPEN_TAG,
-										Value: []byte("<?"),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  0,
-											EndPos:    2,
-										},
-									},
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  2,
-											EndPos:    3,
-										},
-									},
-								},
-							},
-							Value: []byte("$a"),
-						},
-					},
-					InstanceOfTkn: &token.Token{
-						ID:    token.T_INSTANCEOF,
-						Value: []byte("instanceof"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  6,
-							EndPos:    16,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  5,
-									EndPos:    6,
-								},
-							},
-						},
-					},
-					Class: &ast.NameFullyQualified{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  17,
-							EndPos:    21,
-						},
-						NsSeparatorTkn: &token.Token{
-							ID:    token.T_NS_SEPARATOR,
-							Value: []byte("\\"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  17,
-								EndPos:    18,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  16,
-										EndPos:    17,
-									},
-								},
-							},
-						},
-						Parts: []ast.Vertex{
-							&ast.NamePart{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  18,
-									EndPos:    21,
-								},
-								StringTkn: &token.Token{
-									ID:    token.T_STRING,
-									Value: []byte("Foo"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  18,
-										EndPos:    21,
-									},
-								},
-								Value: []byte("Foo"),
-							},
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  21,
-						EndPos:    22,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestExprIsset(t *testing.T) {
-	src := `<? isset($a);`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    13,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    13,
-				},
-				Expr: &ast.ExprIsset{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    12,
-					},
-					IssetTkn: &token.Token{
-						ID:    token.T_ISSET,
-						Value: []byte("isset"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    8,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_OPEN_TAG,
-								Value: []byte("<?"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  0,
-									EndPos:    2,
-								},
-							},
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  2,
-									EndPos:    3,
-								},
-							},
-						},
-					},
-					OpenParenthesisTkn: &token.Token{
-						ID:    token.ID(40),
-						Value: []byte("("),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  8,
-							EndPos:    9,
-						},
-					},
-					Vars: []ast.Vertex{
-						&ast.ExprVariable{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  9,
-								EndPos:    11,
-							},
-							Name: &ast.Identifier{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  9,
-									EndPos:    11,
-								},
-								IdentifierTkn: &token.Token{
-									ID:    token.T_VARIABLE,
-									Value: []byte("$a"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  9,
-										EndPos:    11,
-									},
-								},
-								Value: []byte("$a"),
-							},
-						},
-					},
-					CloseParenthesisTkn: &token.Token{
-						ID:    token.ID(41),
-						Value: []byte(")"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  11,
-							EndPos:    12,
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  12,
-						EndPos:    13,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestExprIsset_Variables(t *testing.T) {
-	src := `<? isset($a, $b);`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    17,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    17,
-				},
-				Expr: &ast.ExprIsset{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    16,
-					},
-					IssetTkn: &token.Token{
-						ID:    token.T_ISSET,
-						Value: []byte("isset"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    8,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_OPEN_TAG,
-								Value: []byte("<?"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  0,
-									EndPos:    2,
-								},
-							},
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  2,
-									EndPos:    3,
-								},
-							},
-						},
-					},
-					OpenParenthesisTkn: &token.Token{
-						ID:    token.ID(40),
-						Value: []byte("("),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  8,
-							EndPos:    9,
-						},
-					},
-					Vars: []ast.Vertex{
-						&ast.ExprVariable{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  9,
-								EndPos:    11,
-							},
-							Name: &ast.Identifier{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  9,
-									EndPos:    11,
-								},
-								IdentifierTkn: &token.Token{
-									ID:    token.T_VARIABLE,
-									Value: []byte("$a"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  9,
-										EndPos:    11,
-									},
-								},
-								Value: []byte("$a"),
-							},
-						},
-						&ast.ExprVariable{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  13,
-								EndPos:    15,
-							},
-							Name: &ast.Identifier{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  13,
-									EndPos:    15,
-								},
-								IdentifierTkn: &token.Token{
-									ID:    token.T_VARIABLE,
-									Value: []byte("$b"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  13,
-										EndPos:    15,
-									},
-									FreeFloating: []*token.Token{
-										{
-											ID:    token.T_WHITESPACE,
-											Value: []byte(" "),
-											Position: &position.Position{
-												StartLine: 1,
-												EndLine:   1,
-												StartPos:  12,
-												EndPos:    13,
-											},
-										},
-									},
-								},
-								Value: []byte("$b"),
-							},
-						},
-					},
-					SeparatorTkns: []*token.Token{
-						{
-							ID:    token.ID(44),
-							Value: []byte(","),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  11,
-								EndPos:    12,
-							},
-						},
-					},
-					CloseParenthesisTkn: &token.Token{
-						ID:    token.ID(41),
-						Value: []byte(")"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  15,
-							EndPos:    16,
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  16,
-						EndPos:    17,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestExprList_Empty(t *testing.T) {
-	src := `<? list() = $b;`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    15,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    15,
-				},
-				Expr: &ast.ExprAssign{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    14,
-					},
-					Var: &ast.ExprList{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    9,
-						},
-						ListTkn: &token.Token{
-							ID:    token.T_LIST,
-							Value: []byte("list"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  3,
-								EndPos:    7,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_OPEN_TAG,
-									Value: []byte("<?"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  0,
-										EndPos:    2,
-									},
-								},
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  2,
-										EndPos:    3,
-									},
-								},
-							},
-						},
-						OpenBracketTkn: &token.Token{
-							ID:    token.ID(40),
-							Value: []byte("("),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  7,
-								EndPos:    8,
-							},
-						},
-						Items: []ast.Vertex{
-							&ast.ExprArrayItem{},
-						},
-						CloseBracketTkn: &token.Token{
-							ID:    token.ID(41),
-							Value: []byte(")"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  8,
-								EndPos:    9,
-							},
-						},
-					},
-					EqualTkn: &token.Token{
-						ID:    token.ID(61),
-						Value: []byte("="),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  10,
-							EndPos:    11,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  9,
-									EndPos:    10,
-								},
-							},
-						},
-					},
-					Expr: &ast.ExprVariable{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  12,
-							EndPos:    14,
-						},
-						Name: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  12,
-								EndPos:    14,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_VARIABLE,
-								Value: []byte("$b"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  12,
-									EndPos:    14,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  11,
-											EndPos:    12,
-										},
-									},
-								},
-							},
-							Value: []byte("$b"),
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  14,
-						EndPos:    15,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestExprList(t *testing.T) {
-	src := `<? list($a) = $b;`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    17,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    17,
-				},
-				Expr: &ast.ExprAssign{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    16,
-					},
-					Var: &ast.ExprList{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    11,
-						},
-						ListTkn: &token.Token{
-							ID:    token.T_LIST,
-							Value: []byte("list"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  3,
-								EndPos:    7,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_OPEN_TAG,
-									Value: []byte("<?"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  0,
-										EndPos:    2,
-									},
-								},
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  2,
-										EndPos:    3,
-									},
-								},
-							},
-						},
-						OpenBracketTkn: &token.Token{
-							ID:    token.ID(40),
-							Value: []byte("("),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  7,
-								EndPos:    8,
-							},
-						},
-						Items: []ast.Vertex{
-							&ast.ExprArrayItem{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  8,
-									EndPos:    10,
-								},
-								Val: &ast.ExprVariable{
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  8,
-										EndPos:    10,
-									},
-									Name: &ast.Identifier{
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  8,
-											EndPos:    10,
-										},
-										IdentifierTkn: &token.Token{
-											ID:    token.T_VARIABLE,
-											Value: []byte("$a"),
-											Position: &position.Position{
-												StartLine: 1,
-												EndLine:   1,
-												StartPos:  8,
-												EndPos:    10,
-											},
-										},
-										Value: []byte("$a"),
-									},
-								},
-							},
-						},
-						CloseBracketTkn: &token.Token{
-							ID:    token.ID(41),
-							Value: []byte(")"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  10,
-								EndPos:    11,
-							},
-						},
-					},
-					EqualTkn: &token.Token{
-						ID:    token.ID(61),
-						Value: []byte("="),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  12,
-							EndPos:    13,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  11,
-									EndPos:    12,
-								},
-							},
-						},
-					},
-					Expr: &ast.ExprVariable{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  14,
-							EndPos:    16,
-						},
-						Name: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  14,
-								EndPos:    16,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_VARIABLE,
-								Value: []byte("$b"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  14,
-									EndPos:    16,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  13,
-											EndPos:    14,
-										},
-									},
-								},
-							},
-							Value: []byte("$b"),
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  16,
-						EndPos:    17,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestExprList_ArrayIndex(t *testing.T) {
-	src := `<? list($a[]) = $b;`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    19,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    19,
-				},
-				Expr: &ast.ExprAssign{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    18,
-					},
-					Var: &ast.ExprList{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    13,
-						},
-						ListTkn: &token.Token{
-							ID:    token.T_LIST,
-							Value: []byte("list"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  3,
-								EndPos:    7,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_OPEN_TAG,
-									Value: []byte("<?"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  0,
-										EndPos:    2,
-									},
-								},
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  2,
-										EndPos:    3,
-									},
-								},
-							},
-						},
-						OpenBracketTkn: &token.Token{
-							ID:    token.ID(40),
-							Value: []byte("("),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  7,
-								EndPos:    8,
-							},
-						},
-						Items: []ast.Vertex{
-							&ast.ExprArrayItem{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  8,
-									EndPos:    12,
-								},
-								Val: &ast.ExprArrayDimFetch{
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  8,
-										EndPos:    12,
-									},
-									Var: &ast.ExprVariable{
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  8,
-											EndPos:    10,
-										},
-										Name: &ast.Identifier{
-											Position: &position.Position{
-												StartLine: 1,
-												EndLine:   1,
-												StartPos:  8,
-												EndPos:    10,
-											},
-											IdentifierTkn: &token.Token{
-												ID:    token.T_VARIABLE,
-												Value: []byte("$a"),
-												Position: &position.Position{
-													StartLine: 1,
-													EndLine:   1,
-													StartPos:  8,
-													EndPos:    10,
-												},
-											},
-											Value: []byte("$a"),
-										},
-									},
-									OpenBracketTkn: &token.Token{
-										ID:    token.ID(91),
-										Value: []byte("["),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  10,
-											EndPos:    11,
-										},
-									},
-									CloseBracketTkn: &token.Token{
-										ID:    token.ID(93),
-										Value: []byte("]"),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  11,
-											EndPos:    12,
-										},
-									},
-								},
-							},
-						},
-						CloseBracketTkn: &token.Token{
-							ID:    token.ID(41),
-							Value: []byte(")"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  12,
-								EndPos:    13,
-							},
-						},
-					},
-					EqualTkn: &token.Token{
-						ID:    token.ID(61),
-						Value: []byte("="),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  14,
-							EndPos:    15,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  13,
-									EndPos:    14,
-								},
-							},
-						},
-					},
-					Expr: &ast.ExprVariable{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  16,
-							EndPos:    18,
-						},
-						Name: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  16,
-								EndPos:    18,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_VARIABLE,
-								Value: []byte("$b"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  16,
-									EndPos:    18,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  15,
-											EndPos:    16,
-										},
-									},
-								},
-							},
-							Value: []byte("$b"),
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  18,
-						EndPos:    19,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestExprList_List(t *testing.T) {
-	src := `<? list(list($a)) = $b;`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    23,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    23,
-				},
-				Expr: &ast.ExprAssign{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    22,
-					},
-					Var: &ast.ExprList{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    17,
-						},
-						ListTkn: &token.Token{
-							ID:    token.T_LIST,
-							Value: []byte("list"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  3,
-								EndPos:    7,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_OPEN_TAG,
-									Value: []byte("<?"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  0,
-										EndPos:    2,
-									},
-								},
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  2,
-										EndPos:    3,
-									},
-								},
-							},
-						},
-						OpenBracketTkn: &token.Token{
-							ID:    token.ID(40),
-							Value: []byte("("),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  7,
-								EndPos:    8,
-							},
-						},
-						Items: []ast.Vertex{
-							&ast.ExprArrayItem{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  8,
-									EndPos:    16,
-								},
-								Val: &ast.ExprList{
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  8,
-										EndPos:    16,
-									},
-									ListTkn: &token.Token{
-										ID:    token.T_LIST,
-										Value: []byte("list"),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  8,
-											EndPos:    12,
-										},
-									},
-									OpenBracketTkn: &token.Token{
-										ID:    token.ID(40),
-										Value: []byte("("),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  12,
-											EndPos:    13,
-										},
-									},
-									Items: []ast.Vertex{
-										&ast.ExprArrayItem{
-											Position: &position.Position{
-												StartLine: 1,
-												EndLine:   1,
-												StartPos:  13,
-												EndPos:    15,
-											},
-											Val: &ast.ExprVariable{
-												Position: &position.Position{
-													StartLine: 1,
-													EndLine:   1,
-													StartPos:  13,
-													EndPos:    15,
-												},
-												Name: &ast.Identifier{
-													Position: &position.Position{
-														StartLine: 1,
-														EndLine:   1,
-														StartPos:  13,
-														EndPos:    15,
-													},
-													IdentifierTkn: &token.Token{
-														ID:    token.T_VARIABLE,
-														Value: []byte("$a"),
-														Position: &position.Position{
-															StartLine: 1,
-															EndLine:   1,
-															StartPos:  13,
-															EndPos:    15,
-														},
-													},
-													Value: []byte("$a"),
-												},
-											},
-										},
-									},
-									CloseBracketTkn: &token.Token{
-										ID:    token.ID(41),
-										Value: []byte(")"),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  15,
-											EndPos:    16,
-										},
-									},
-								},
-							},
-						},
-						CloseBracketTkn: &token.Token{
-							ID:    token.ID(41),
-							Value: []byte(")"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  16,
-								EndPos:    17,
-							},
-						},
-					},
-					EqualTkn: &token.Token{
-						ID:    token.ID(61),
-						Value: []byte("="),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  18,
-							EndPos:    19,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  17,
-									EndPos:    18,
-								},
-							},
-						},
-					},
-					Expr: &ast.ExprVariable{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  20,
-							EndPos:    22,
-						},
-						Name: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  20,
-								EndPos:    22,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_VARIABLE,
-								Value: []byte("$b"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  20,
-									EndPos:    22,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  19,
-											EndPos:    20,
-										},
-									},
-								},
-							},
-							Value: []byte("$b"),
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  22,
-						EndPos:    23,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestExprList_EmptyItem(t *testing.T) {
-	src := `<? list(, $a) = $b;`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    19,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    19,
-				},
-				Expr: &ast.ExprAssign{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    18,
-					},
-					Var: &ast.ExprList{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    13,
-						},
-						ListTkn: &token.Token{
-							ID:    token.T_LIST,
-							Value: []byte("list"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  3,
-								EndPos:    7,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_OPEN_TAG,
-									Value: []byte("<?"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  0,
-										EndPos:    2,
-									},
-								},
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  2,
-										EndPos:    3,
-									},
-								},
-							},
-						},
-						OpenBracketTkn: &token.Token{
-							ID:    token.ID(40),
-							Value: []byte("("),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  7,
-								EndPos:    8,
-							},
-						},
-						Items: []ast.Vertex{
-							&ast.ExprArrayItem{},
-							&ast.ExprArrayItem{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  10,
-									EndPos:    12,
-								},
-								Val: &ast.ExprVariable{
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  10,
-										EndPos:    12,
-									},
-									Name: &ast.Identifier{
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  10,
-											EndPos:    12,
-										},
-										IdentifierTkn: &token.Token{
-											ID:    token.T_VARIABLE,
-											Value: []byte("$a"),
-											Position: &position.Position{
-												StartLine: 1,
-												EndLine:   1,
-												StartPos:  10,
-												EndPos:    12,
-											},
-											FreeFloating: []*token.Token{
-												{
-													ID:    token.T_WHITESPACE,
-													Value: []byte(" "),
-													Position: &position.Position{
-														StartLine: 1,
-														EndLine:   1,
-														StartPos:  9,
-														EndPos:    10,
-													},
-												},
-											},
-										},
-										Value: []byte("$a"),
-									},
-								},
-							},
-						},
-						SeparatorTkns: []*token.Token{
-							{
-								ID:    token.ID(44),
-								Value: []byte(","),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  8,
-									EndPos:    9,
-								},
-							},
-						},
-						CloseBracketTkn: &token.Token{
-							ID:    token.ID(41),
-							Value: []byte(")"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  12,
-								EndPos:    13,
-							},
-						},
-					},
-					EqualTkn: &token.Token{
-						ID:    token.ID(61),
-						Value: []byte("="),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  14,
-							EndPos:    15,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  13,
-									EndPos:    14,
-								},
-							},
-						},
-					},
-					Expr: &ast.ExprVariable{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  16,
-							EndPos:    18,
-						},
-						Name: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  16,
-								EndPos:    18,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_VARIABLE,
-								Value: []byte("$b"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  16,
-									EndPos:    18,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  15,
-											EndPos:    16,
-										},
-									},
-								},
-							},
-							Value: []byte("$b"),
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  18,
-						EndPos:    19,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestExprList_EmptyItems(t *testing.T) {
-	src := `<? list(, , $a, ) = $b;`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    23,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    23,
-				},
-				Expr: &ast.ExprAssign{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    22,
-					},
-					Var: &ast.ExprList{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    17,
-						},
-						ListTkn: &token.Token{
-							ID:    token.T_LIST,
-							Value: []byte("list"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  3,
-								EndPos:    7,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_OPEN_TAG,
-									Value: []byte("<?"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  0,
-										EndPos:    2,
-									},
-								},
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  2,
-										EndPos:    3,
-									},
-								},
-							},
-						},
-						OpenBracketTkn: &token.Token{
-							ID:    token.ID(40),
-							Value: []byte("("),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  7,
-								EndPos:    8,
-							},
-						},
-						Items: []ast.Vertex{
-							&ast.ExprArrayItem{},
-							&ast.ExprArrayItem{},
-							&ast.ExprArrayItem{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  12,
-									EndPos:    14,
-								},
-								Val: &ast.ExprVariable{
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  12,
-										EndPos:    14,
-									},
-									Name: &ast.Identifier{
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  12,
-											EndPos:    14,
-										},
-										IdentifierTkn: &token.Token{
-											ID:    token.T_VARIABLE,
-											Value: []byte("$a"),
-											Position: &position.Position{
-												StartLine: 1,
-												EndLine:   1,
-												StartPos:  12,
-												EndPos:    14,
-											},
-											FreeFloating: []*token.Token{
-												{
-													ID:    token.T_WHITESPACE,
-													Value: []byte(" "),
-													Position: &position.Position{
-														StartLine: 1,
-														EndLine:   1,
-														StartPos:  11,
-														EndPos:    12,
-													},
-												},
-											},
-										},
-										Value: []byte("$a"),
-									},
-								},
-							},
-							&ast.ExprArrayItem{},
-						},
-						SeparatorTkns: []*token.Token{
-							{
-								ID:    token.ID(44),
-								Value: []byte(","),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  8,
-									EndPos:    9,
-								},
-							},
-							{
-								ID:    token.ID(44),
-								Value: []byte(","),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  10,
-									EndPos:    11,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  9,
-											EndPos:    10,
-										},
-									},
-								},
-							},
-							{
-								ID:    token.ID(44),
-								Value: []byte(","),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  14,
-									EndPos:    15,
-								},
-							},
-						},
-						CloseBracketTkn: &token.Token{
-							ID:    token.ID(41),
-							Value: []byte(")"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  16,
-								EndPos:    17,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  15,
-										EndPos:    16,
-									},
-								},
-							},
-						},
-					},
-					EqualTkn: &token.Token{
-						ID:    token.ID(61),
-						Value: []byte("="),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  18,
-							EndPos:    19,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  17,
-									EndPos:    18,
-								},
-							},
-						},
-					},
-					Expr: &ast.ExprVariable{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  20,
-							EndPos:    22,
-						},
-						Name: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  20,
-								EndPos:    22,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_VARIABLE,
-								Value: []byte("$b"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  20,
-									EndPos:    22,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  19,
-											EndPos:    20,
-										},
-									},
-								},
-							},
-							Value: []byte("$b"),
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  22,
-						EndPos:    23,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestExprMethodCall(t *testing.T) {
-	src := `<? $a->foo();`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    13,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    13,
-				},
-				Expr: &ast.ExprMethodCall{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    12,
-					},
-					Var: &ast.ExprVariable{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    5,
-						},
-						Name: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  3,
-								EndPos:    5,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_VARIABLE,
-								Value: []byte("$a"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  3,
-									EndPos:    5,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_OPEN_TAG,
-										Value: []byte("<?"),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  0,
-											EndPos:    2,
-										},
-									},
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  2,
-											EndPos:    3,
-										},
-									},
-								},
-							},
-							Value: []byte("$a"),
-						},
-					},
-					ObjectOperatorTkn: &token.Token{
-						ID:    token.T_OBJECT_OPERATOR,
-						Value: []byte("->"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  5,
-							EndPos:    7,
-						},
-					},
-					Method: &ast.Identifier{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  7,
-							EndPos:    10,
-						},
-						IdentifierTkn: &token.Token{
-							ID:    token.T_STRING,
-							Value: []byte("foo"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  7,
-								EndPos:    10,
-							},
-						},
-						Value: []byte("foo"),
-					},
-					OpenParenthesisTkn: &token.Token{
-						ID:    token.ID(40),
-						Value: []byte("("),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  10,
-							EndPos:    11,
-						},
-					},
-					CloseParenthesisTkn: &token.Token{
-						ID:    token.ID(41),
-						Value: []byte(")"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  11,
-							EndPos:    12,
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  12,
-						EndPos:    13,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestExprNew(t *testing.T) {
-	src := `<? new Foo;`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    11,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    11,
-				},
-				Expr: &ast.ExprNew{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    10,
-					},
-					NewTkn: &token.Token{
-						ID:    token.T_NEW,
-						Value: []byte("new"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    6,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_OPEN_TAG,
-								Value: []byte("<?"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  0,
-									EndPos:    2,
-								},
-							},
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  2,
-									EndPos:    3,
-								},
-							},
-						},
-					},
-					Class: &ast.Name{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  7,
-							EndPos:    10,
-						},
-						Parts: []ast.Vertex{
-							&ast.NamePart{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  7,
-									EndPos:    10,
-								},
-								StringTkn: &token.Token{
-									ID:    token.T_STRING,
-									Value: []byte("Foo"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  7,
-										EndPos:    10,
-									},
-									FreeFloating: []*token.Token{
-										{
-											ID:    token.T_WHITESPACE,
-											Value: []byte(" "),
-											Position: &position.Position{
-												StartLine: 1,
-												EndLine:   1,
-												StartPos:  6,
-												EndPos:    7,
-											},
-										},
-									},
-								},
-								Value: []byte("Foo"),
-							},
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  10,
-						EndPos:    11,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestExprNew_Relative(t *testing.T) {
-	src := `<? new namespace\Foo();`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    23,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    23,
-				},
-				Expr: &ast.ExprNew{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    22,
-					},
-					NewTkn: &token.Token{
-						ID:    token.T_NEW,
-						Value: []byte("new"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    6,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_OPEN_TAG,
-								Value: []byte("<?"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  0,
-									EndPos:    2,
-								},
-							},
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  2,
-									EndPos:    3,
-								},
-							},
-						},
-					},
-					Class: &ast.NameRelative{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  7,
-							EndPos:    20,
-						},
-						NsTkn: &token.Token{
-							ID:    token.T_NAMESPACE,
-							Value: []byte("namespace"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  7,
-								EndPos:    16,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  6,
-										EndPos:    7,
-									},
-								},
-							},
-						},
-						NsSeparatorTkn: &token.Token{
-							ID:    token.T_NS_SEPARATOR,
-							Value: []byte("\\"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  16,
-								EndPos:    17,
-							},
-						},
-						Parts: []ast.Vertex{
-							&ast.NamePart{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  17,
-									EndPos:    20,
-								},
-								StringTkn: &token.Token{
-									ID:    token.T_STRING,
-									Value: []byte("Foo"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  17,
-										EndPos:    20,
-									},
-								},
-								Value: []byte("Foo"),
-							},
-						},
-					},
-					OpenParenthesisTkn: &token.Token{
-						ID:    token.ID(40),
-						Value: []byte("("),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  20,
-							EndPos:    21,
-						},
-					},
-					CloseParenthesisTkn: &token.Token{
-						ID:    token.ID(41),
-						Value: []byte(")"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  21,
-							EndPos:    22,
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  22,
-						EndPos:    23,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestExprNew_FullyQualified(t *testing.T) {
-	src := `<? new \Foo();`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    14,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    14,
-				},
-				Expr: &ast.ExprNew{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    13,
-					},
-					NewTkn: &token.Token{
-						ID:    token.T_NEW,
-						Value: []byte("new"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    6,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_OPEN_TAG,
-								Value: []byte("<?"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  0,
-									EndPos:    2,
-								},
-							},
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  2,
-									EndPos:    3,
-								},
-							},
-						},
-					},
-					Class: &ast.NameFullyQualified{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  7,
-							EndPos:    11,
-						},
-						NsSeparatorTkn: &token.Token{
-							ID:    token.T_NS_SEPARATOR,
-							Value: []byte("\\"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  7,
-								EndPos:    8,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  6,
-										EndPos:    7,
-									},
-								},
-							},
-						},
-						Parts: []ast.Vertex{
-							&ast.NamePart{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  8,
-									EndPos:    11,
-								},
-								StringTkn: &token.Token{
-									ID:    token.T_STRING,
-									Value: []byte("Foo"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  8,
-										EndPos:    11,
-									},
-								},
-								Value: []byte("Foo"),
-							},
-						},
-					},
-					OpenParenthesisTkn: &token.Token{
-						ID:    token.ID(40),
-						Value: []byte("("),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  11,
-							EndPos:    12,
-						},
-					},
-					CloseParenthesisTkn: &token.Token{
-						ID:    token.ID(41),
-						Value: []byte(")"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  12,
-							EndPos:    13,
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  13,
-						EndPos:    14,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestExprPrint(t *testing.T) {
-	src := `<? print($a);`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    13,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    13,
-				},
-				Expr: &ast.ExprPrint{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    12,
-					},
-					PrintTkn: &token.Token{
-						ID:    token.T_PRINT,
-						Value: []byte("print"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    8,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_OPEN_TAG,
-								Value: []byte("<?"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  0,
-									EndPos:    2,
-								},
-							},
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  2,
-									EndPos:    3,
-								},
-							},
-						},
-					},
-					Expr: &ast.ExprBrackets{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  8,
-							EndPos:    12,
-						},
-						OpenParenthesisTkn: &token.Token{
-							ID:    token.ID(40),
-							Value: []byte("("),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  8,
-								EndPos:    9,
-							},
-						},
-						Expr: &ast.ExprVariable{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  9,
-								EndPos:    11,
-							},
-							Name: &ast.Identifier{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  9,
-									EndPos:    11,
-								},
-								IdentifierTkn: &token.Token{
-									ID:    token.T_VARIABLE,
-									Value: []byte("$a"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  9,
-										EndPos:    11,
-									},
-								},
-								Value: []byte("$a"),
-							},
-						},
-						CloseParenthesisTkn: &token.Token{
-							ID:    token.ID(41),
-							Value: []byte(")"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  11,
-								EndPos:    12,
-							},
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  12,
-						EndPos:    13,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-// TODO add test for `echo $a->b["c"]()->d["e"]();`
-
-func TestExprPropertyFetch(t *testing.T) {
-	src := `<? $a->foo;`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    11,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    11,
-				},
-				Expr: &ast.ExprPropertyFetch{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    10,
-					},
-					Var: &ast.ExprVariable{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    5,
-						},
-						Name: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  3,
-								EndPos:    5,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_VARIABLE,
-								Value: []byte("$a"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  3,
-									EndPos:    5,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_OPEN_TAG,
-										Value: []byte("<?"),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  0,
-											EndPos:    2,
-										},
-									},
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  2,
-											EndPos:    3,
-										},
-									},
-								},
-							},
-							Value: []byte("$a"),
-						},
-					},
-					ObjectOperatorTkn: &token.Token{
-						ID:    token.T_OBJECT_OPERATOR,
-						Value: []byte("->"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  5,
-							EndPos:    7,
-						},
-					},
-					Prop: &ast.Identifier{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  7,
-							EndPos:    10,
-						},
-						IdentifierTkn: &token.Token{
-							ID:    token.T_STRING,
-							Value: []byte("foo"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  7,
-								EndPos:    10,
-							},
-						},
-						Value: []byte("foo"),
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  10,
-						EndPos:    11,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestExprShellExec(t *testing.T) {
-	src := "<? `cmd $a`;"
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    12,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    12,
-				},
-				Expr: &ast.ExprShellExec{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    11,
-					},
-					OpenBacktickTkn: &token.Token{
-						ID:    token.ID(96),
-						Value: []byte("`"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    4,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_OPEN_TAG,
-								Value: []byte("<?"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  0,
-									EndPos:    2,
-								},
-							},
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  2,
-									EndPos:    3,
-								},
-							},
-						},
-					},
-					Parts: []ast.Vertex{
-						&ast.ScalarEncapsedStringPart{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  4,
-								EndPos:    8,
-							},
-							EncapsedStrTkn: &token.Token{
-								ID:    token.T_ENCAPSED_AND_WHITESPACE,
-								Value: []byte("cmd "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  4,
-									EndPos:    8,
-								},
-							},
-							Value: []byte("cmd "),
-						},
-						&ast.ExprVariable{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  8,
-								EndPos:    10,
-							},
-							Name: &ast.Identifier{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  8,
-									EndPos:    10,
-								},
-								IdentifierTkn: &token.Token{
-									ID:    token.T_VARIABLE,
-									Value: []byte("$a"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  8,
-										EndPos:    10,
-									},
-								},
-								Value: []byte("$a"),
-							},
-						},
-					},
-					CloseBacktickTkn: &token.Token{
-						ID:    token.ID(96),
-						Value: []byte("`"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  10,
-							EndPos:    11,
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  11,
-						EndPos:    12,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestExprShortArray(t *testing.T) {
-	src := `<? [];`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    6,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    6,
-				},
-				Expr: &ast.ExprArray{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    5,
-					},
-					OpenBracketTkn: &token.Token{
-						ID:    token.ID(91),
-						Value: []byte("["),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    4,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_OPEN_TAG,
-								Value: []byte("<?"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  0,
-									EndPos:    2,
-								},
-							},
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  2,
-									EndPos:    3,
-								},
-							},
-						},
-					},
-					CloseBracketTkn: &token.Token{
-						ID:    token.ID(93),
-						Value: []byte("]"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  4,
-							EndPos:    5,
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  5,
-						EndPos:    6,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestExprShortArray_Item(t *testing.T) {
-	src := `<? [1];`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    7,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    7,
-				},
-				Expr: &ast.ExprArray{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    6,
-					},
-					OpenBracketTkn: &token.Token{
-						ID:    token.ID(91),
-						Value: []byte("["),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    4,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_OPEN_TAG,
-								Value: []byte("<?"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  0,
-									EndPos:    2,
-								},
-							},
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  2,
-									EndPos:    3,
-								},
-							},
-						},
-					},
-					Items: []ast.Vertex{
-						&ast.ExprArrayItem{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  4,
-								EndPos:    5,
-							},
-							Val: &ast.ScalarLnumber{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  4,
-									EndPos:    5,
-								},
-								NumberTkn: &token.Token{
-									ID:    token.T_LNUMBER,
-									Value: []byte("1"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  4,
-										EndPos:    5,
-									},
-								},
-								Value: []byte("1"),
-							},
-						},
-					},
-					CloseBracketTkn: &token.Token{
-						ID:    token.ID(93),
-						Value: []byte("]"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  5,
-							EndPos:    6,
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  6,
-						EndPos:    7,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestExprShortArray_Items(t *testing.T) {
-	src := `<? [1=>1, &$b,];`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    16,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    16,
-				},
-				Expr: &ast.ExprArray{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    15,
-					},
-					OpenBracketTkn: &token.Token{
-						ID:    token.ID(91),
-						Value: []byte("["),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    4,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_OPEN_TAG,
-								Value: []byte("<?"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  0,
-									EndPos:    2,
-								},
-							},
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  2,
-									EndPos:    3,
-								},
-							},
-						},
-					},
-					Items: []ast.Vertex{
-						&ast.ExprArrayItem{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  4,
-								EndPos:    8,
-							},
-							Key: &ast.ScalarLnumber{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  4,
-									EndPos:    5,
-								},
-								NumberTkn: &token.Token{
-									ID:    token.T_LNUMBER,
-									Value: []byte("1"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  4,
-										EndPos:    5,
-									},
-								},
-								Value: []byte("1"),
-							},
-							DoubleArrowTkn: &token.Token{
-								ID:    token.T_DOUBLE_ARROW,
-								Value: []byte("=>"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  5,
-									EndPos:    7,
-								},
-							},
-							Val: &ast.ScalarLnumber{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  7,
-									EndPos:    8,
-								},
-								NumberTkn: &token.Token{
-									ID:    token.T_LNUMBER,
-									Value: []byte("1"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  7,
-										EndPos:    8,
-									},
-								},
-								Value: []byte("1"),
-							},
-						},
-						&ast.ExprArrayItem{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  10,
-								EndPos:    13,
-							},
-							AmpersandTkn: &token.Token{
-								ID:    token.ID(38),
-								Value: []byte("&"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  10,
-									EndPos:    11,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  9,
-											EndPos:    10,
-										},
-									},
-								},
-							},
-							Val: &ast.ExprVariable{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  11,
-									EndPos:    13,
-								},
-								Name: &ast.Identifier{
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  11,
-										EndPos:    13,
-									},
-									IdentifierTkn: &token.Token{
-										ID:    token.T_VARIABLE,
-										Value: []byte("$b"),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  11,
-											EndPos:    13,
-										},
-									},
-									Value: []byte("$b"),
-								},
-							},
-						},
-						&ast.ExprArrayItem{},
-					},
-					SeparatorTkns: []*token.Token{
-						{
-							ID:    token.ID(44),
-							Value: []byte(","),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  8,
-								EndPos:    9,
-							},
-						},
-						{
-							ID:    token.ID(44),
-							Value: []byte(","),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  13,
-								EndPos:    14,
-							},
-						},
-					},
-					CloseBracketTkn: &token.Token{
-						ID:    token.ID(93),
-						Value: []byte("]"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  14,
-							EndPos:    15,
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  15,
-						EndPos:    16,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestExprStaticCall(t *testing.T) {
-	src := `<? Foo::bar();`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    14,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    14,
-				},
-				Expr: &ast.ExprStaticCall{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    13,
-					},
-					Class: &ast.Name{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    6,
-						},
-						Parts: []ast.Vertex{
-							&ast.NamePart{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  3,
-									EndPos:    6,
-								},
-								StringTkn: &token.Token{
-									ID:    token.T_STRING,
-									Value: []byte("Foo"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  3,
-										EndPos:    6,
-									},
-									FreeFloating: []*token.Token{
-										{
-											ID:    token.T_OPEN_TAG,
-											Value: []byte("<?"),
-											Position: &position.Position{
-												StartLine: 1,
-												EndLine:   1,
-												StartPos:  0,
-												EndPos:    2,
-											},
-										},
-										{
-											ID:    token.T_WHITESPACE,
-											Value: []byte(" "),
-											Position: &position.Position{
-												StartLine: 1,
-												EndLine:   1,
-												StartPos:  2,
-												EndPos:    3,
-											},
-										},
-									},
-								},
-								Value: []byte("Foo"),
-							},
-						},
-					},
-					DoubleColonTkn: &token.Token{
-						ID:    token.T_PAAMAYIM_NEKUDOTAYIM,
-						Value: []byte("::"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  6,
-							EndPos:    8,
-						},
-					},
-					Call: &ast.Identifier{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  8,
-							EndPos:    11,
-						},
-						IdentifierTkn: &token.Token{
-							ID:    token.T_STRING,
-							Value: []byte("bar"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  8,
-								EndPos:    11,
-							},
-						},
-						Value: []byte("bar"),
-					},
-					OpenParenthesisTkn: &token.Token{
-						ID:    token.ID(40),
-						Value: []byte("("),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  11,
-							EndPos:    12,
-						},
-					},
-					CloseParenthesisTkn: &token.Token{
-						ID:    token.ID(41),
-						Value: []byte(")"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  12,
-							EndPos:    13,
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  13,
-						EndPos:    14,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestExprStaticCall_Relative(t *testing.T) {
-	src := `<? namespace\Foo::bar();`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    24,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    24,
-				},
-				Expr: &ast.ExprStaticCall{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    23,
-					},
-					Class: &ast.NameRelative{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    16,
-						},
-						NsTkn: &token.Token{
-							ID:    token.T_NAMESPACE,
-							Value: []byte("namespace"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  3,
-								EndPos:    12,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_OPEN_TAG,
-									Value: []byte("<?"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  0,
-										EndPos:    2,
-									},
-								},
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  2,
-										EndPos:    3,
-									},
-								},
-							},
-						},
-						NsSeparatorTkn: &token.Token{
-							ID:    token.T_NS_SEPARATOR,
-							Value: []byte("\\"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  12,
-								EndPos:    13,
-							},
-						},
-						Parts: []ast.Vertex{
-							&ast.NamePart{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  13,
-									EndPos:    16,
-								},
-								StringTkn: &token.Token{
-									ID:    token.T_STRING,
-									Value: []byte("Foo"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  13,
-										EndPos:    16,
-									},
-								},
-								Value: []byte("Foo"),
-							},
-						},
-					},
-					DoubleColonTkn: &token.Token{
-						ID:    token.T_PAAMAYIM_NEKUDOTAYIM,
-						Value: []byte("::"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  16,
-							EndPos:    18,
-						},
-					},
-					Call: &ast.Identifier{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  18,
-							EndPos:    21,
-						},
-						IdentifierTkn: &token.Token{
-							ID:    token.T_STRING,
-							Value: []byte("bar"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  18,
-								EndPos:    21,
-							},
-						},
-						Value: []byte("bar"),
-					},
-					OpenParenthesisTkn: &token.Token{
-						ID:    token.ID(40),
-						Value: []byte("("),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  21,
-							EndPos:    22,
-						},
-					},
-					CloseParenthesisTkn: &token.Token{
-						ID:    token.ID(41),
-						Value: []byte(")"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  22,
-							EndPos:    23,
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  23,
-						EndPos:    24,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestExprStaticCall_FullyQualified(t *testing.T) {
-	src := `<? \Foo::bar();`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    15,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    15,
-				},
-				Expr: &ast.ExprStaticCall{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    14,
-					},
-					Class: &ast.NameFullyQualified{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    7,
-						},
-						NsSeparatorTkn: &token.Token{
-							ID:    token.T_NS_SEPARATOR,
-							Value: []byte("\\"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  3,
-								EndPos:    4,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_OPEN_TAG,
-									Value: []byte("<?"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  0,
-										EndPos:    2,
-									},
-								},
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  2,
-										EndPos:    3,
-									},
-								},
-							},
-						},
-						Parts: []ast.Vertex{
-							&ast.NamePart{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  4,
-									EndPos:    7,
-								},
-								StringTkn: &token.Token{
-									ID:    token.T_STRING,
-									Value: []byte("Foo"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  4,
-										EndPos:    7,
-									},
-								},
-								Value: []byte("Foo"),
-							},
-						},
-					},
-					DoubleColonTkn: &token.Token{
-						ID:    token.T_PAAMAYIM_NEKUDOTAYIM,
-						Value: []byte("::"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  7,
-							EndPos:    9,
-						},
-					},
-					Call: &ast.Identifier{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  9,
-							EndPos:    12,
-						},
-						IdentifierTkn: &token.Token{
-							ID:    token.T_STRING,
-							Value: []byte("bar"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  9,
-								EndPos:    12,
-							},
-						},
-						Value: []byte("bar"),
-					},
-					OpenParenthesisTkn: &token.Token{
-						ID:    token.ID(40),
-						Value: []byte("("),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  12,
-							EndPos:    13,
-						},
-					},
-					CloseParenthesisTkn: &token.Token{
-						ID:    token.ID(41),
-						Value: []byte(")"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  13,
-							EndPos:    14,
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  14,
-						EndPos:    15,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestExprStaticCall_Var(t *testing.T) {
-	src := `<? Foo::$bar();`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    15,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    15,
-				},
-				Expr: &ast.ExprStaticCall{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    14,
-					},
-					Class: &ast.Name{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    6,
-						},
-						Parts: []ast.Vertex{
-							&ast.NamePart{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  3,
-									EndPos:    6,
-								},
-								StringTkn: &token.Token{
-									ID:    token.T_STRING,
-									Value: []byte("Foo"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  3,
-										EndPos:    6,
-									},
-									FreeFloating: []*token.Token{
-										{
-											ID:    token.T_OPEN_TAG,
-											Value: []byte("<?"),
-											Position: &position.Position{
-												StartLine: 1,
-												EndLine:   1,
-												StartPos:  0,
-												EndPos:    2,
-											},
-										},
-										{
-											ID:    token.T_WHITESPACE,
-											Value: []byte(" "),
-											Position: &position.Position{
-												StartLine: 1,
-												EndLine:   1,
-												StartPos:  2,
-												EndPos:    3,
-											},
-										},
-									},
-								},
-								Value: []byte("Foo"),
-							},
-						},
-					},
-					DoubleColonTkn: &token.Token{
-						ID:    token.T_PAAMAYIM_NEKUDOTAYIM,
-						Value: []byte("::"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  6,
-							EndPos:    8,
-						},
-					},
-					Call: &ast.ExprVariable{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  8,
-							EndPos:    12,
-						},
-						Name: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  8,
-								EndPos:    12,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_VARIABLE,
-								Value: []byte("$bar"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  8,
-									EndPos:    12,
-								},
-							},
-							Value: []byte("$bar"),
-						},
-					},
-					OpenParenthesisTkn: &token.Token{
-						ID:    token.ID(40),
-						Value: []byte("("),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  12,
-							EndPos:    13,
-						},
-					},
-					CloseParenthesisTkn: &token.Token{
-						ID:    token.ID(41),
-						Value: []byte(")"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  13,
-							EndPos:    14,
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  14,
-						EndPos:    15,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestExprStaticCall_VarVar(t *testing.T) {
-	src := `<? $foo::$bar();`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    16,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    16,
-				},
-				Expr: &ast.ExprStaticCall{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    15,
-					},
-					Class: &ast.ExprVariable{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    7,
-						},
-						Name: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  3,
-								EndPos:    7,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_VARIABLE,
-								Value: []byte("$foo"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  3,
-									EndPos:    7,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_OPEN_TAG,
-										Value: []byte("<?"),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  0,
-											EndPos:    2,
-										},
-									},
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  2,
-											EndPos:    3,
-										},
-									},
-								},
-							},
-							Value: []byte("$foo"),
-						},
-					},
-					DoubleColonTkn: &token.Token{
-						ID:    token.T_PAAMAYIM_NEKUDOTAYIM,
-						Value: []byte("::"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  7,
-							EndPos:    9,
-						},
-					},
-					Call: &ast.ExprVariable{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  9,
-							EndPos:    13,
-						},
-						Name: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  9,
-								EndPos:    13,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_VARIABLE,
-								Value: []byte("$bar"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  9,
-									EndPos:    13,
-								},
-							},
-							Value: []byte("$bar"),
-						},
-					},
-					OpenParenthesisTkn: &token.Token{
-						ID:    token.ID(40),
-						Value: []byte("("),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  13,
-							EndPos:    14,
-						},
-					},
-					CloseParenthesisTkn: &token.Token{
-						ID:    token.ID(41),
-						Value: []byte(")"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  14,
-							EndPos:    15,
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  15,
-						EndPos:    16,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestExprStaticPropertyFetch(t *testing.T) {
-	src := `<? Foo::$bar;`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    13,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    13,
-				},
-				Expr: &ast.ExprStaticPropertyFetch{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    12,
-					},
-					Class: &ast.Name{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    6,
-						},
-						Parts: []ast.Vertex{
-							&ast.NamePart{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  3,
-									EndPos:    6,
-								},
-								StringTkn: &token.Token{
-									ID:    token.T_STRING,
-									Value: []byte("Foo"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  3,
-										EndPos:    6,
-									},
-									FreeFloating: []*token.Token{
-										{
-											ID:    token.T_OPEN_TAG,
-											Value: []byte("<?"),
-											Position: &position.Position{
-												StartLine: 1,
-												EndLine:   1,
-												StartPos:  0,
-												EndPos:    2,
-											},
-										},
-										{
-											ID:    token.T_WHITESPACE,
-											Value: []byte(" "),
-											Position: &position.Position{
-												StartLine: 1,
-												EndLine:   1,
-												StartPos:  2,
-												EndPos:    3,
-											},
-										},
-									},
-								},
-								Value: []byte("Foo"),
-							},
-						},
-					},
-					DoubleColonTkn: &token.Token{
-						ID:    token.T_PAAMAYIM_NEKUDOTAYIM,
-						Value: []byte("::"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  6,
-							EndPos:    8,
-						},
-					},
-					Prop: &ast.ExprVariable{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  8,
-							EndPos:    12,
-						},
-						Name: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  8,
-								EndPos:    12,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_VARIABLE,
-								Value: []byte("$bar"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  8,
-									EndPos:    12,
-								},
-							},
-							Value: []byte("$bar"),
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  12,
-						EndPos:    13,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestExprStaticPropertyFetch_Relative(t *testing.T) {
-	src := `<? namespace\Foo::$bar;`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    23,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    23,
-				},
-				Expr: &ast.ExprStaticPropertyFetch{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    22,
-					},
-					Class: &ast.NameRelative{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    16,
-						},
-						NsTkn: &token.Token{
-							ID:    token.T_NAMESPACE,
-							Value: []byte("namespace"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  3,
-								EndPos:    12,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_OPEN_TAG,
-									Value: []byte("<?"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  0,
-										EndPos:    2,
-									},
-								},
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  2,
-										EndPos:    3,
-									},
-								},
-							},
-						},
-						NsSeparatorTkn: &token.Token{
-							ID:    token.T_NS_SEPARATOR,
-							Value: []byte("\\"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  12,
-								EndPos:    13,
-							},
-						},
-						Parts: []ast.Vertex{
-							&ast.NamePart{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  13,
-									EndPos:    16,
-								},
-								StringTkn: &token.Token{
-									ID:    token.T_STRING,
-									Value: []byte("Foo"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  13,
-										EndPos:    16,
-									},
-								},
-								Value: []byte("Foo"),
-							},
-						},
-					},
-					DoubleColonTkn: &token.Token{
-						ID:    token.T_PAAMAYIM_NEKUDOTAYIM,
-						Value: []byte("::"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  16,
-							EndPos:    18,
-						},
-					},
-					Prop: &ast.ExprVariable{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  18,
-							EndPos:    22,
-						},
-						Name: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  18,
-								EndPos:    22,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_VARIABLE,
-								Value: []byte("$bar"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  18,
-									EndPos:    22,
-								},
-							},
-							Value: []byte("$bar"),
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  22,
-						EndPos:    23,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestExprStaticPropertyFetch_FullyQualified(t *testing.T) {
-	src := `<? \Foo::$bar;`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    14,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    14,
-				},
-				Expr: &ast.ExprStaticPropertyFetch{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    13,
-					},
-					Class: &ast.NameFullyQualified{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    7,
-						},
-						NsSeparatorTkn: &token.Token{
-							ID:    token.T_NS_SEPARATOR,
-							Value: []byte("\\"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  3,
-								EndPos:    4,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_OPEN_TAG,
-									Value: []byte("<?"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  0,
-										EndPos:    2,
-									},
-								},
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  2,
-										EndPos:    3,
-									},
-								},
-							},
-						},
-						Parts: []ast.Vertex{
-							&ast.NamePart{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  4,
-									EndPos:    7,
-								},
-								StringTkn: &token.Token{
-									ID:    token.T_STRING,
-									Value: []byte("Foo"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  4,
-										EndPos:    7,
-									},
-								},
-								Value: []byte("Foo"),
-							},
-						},
-					},
-					DoubleColonTkn: &token.Token{
-						ID:    token.T_PAAMAYIM_NEKUDOTAYIM,
-						Value: []byte("::"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  7,
-							EndPos:    9,
-						},
-					},
-					Prop: &ast.ExprVariable{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  9,
-							EndPos:    13,
-						},
-						Name: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  9,
-								EndPos:    13,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_VARIABLE,
-								Value: []byte("$bar"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  9,
-									EndPos:    13,
-								},
-							},
-							Value: []byte("$bar"),
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  13,
-						EndPos:    14,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestExprTernary(t *testing.T) {
-	src := `<? $a ? $b : $c;`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    16,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    16,
-				},
-				Expr: &ast.ExprTernary{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    15,
-					},
-					Cond: &ast.ExprVariable{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    5,
-						},
-						Name: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  3,
-								EndPos:    5,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_VARIABLE,
-								Value: []byte("$a"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  3,
-									EndPos:    5,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_OPEN_TAG,
-										Value: []byte("<?"),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  0,
-											EndPos:    2,
-										},
-									},
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  2,
-											EndPos:    3,
-										},
-									},
-								},
-							},
-							Value: []byte("$a"),
-						},
-					},
-					QuestionTkn: &token.Token{
-						ID:    token.ID(63),
-						Value: []byte("?"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  6,
-							EndPos:    7,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  5,
-									EndPos:    6,
-								},
-							},
-						},
-					},
-					IfTrue: &ast.ExprVariable{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  8,
-							EndPos:    10,
-						},
-						Name: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  8,
-								EndPos:    10,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_VARIABLE,
-								Value: []byte("$b"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  8,
-									EndPos:    10,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  7,
-											EndPos:    8,
-										},
-									},
-								},
-							},
-							Value: []byte("$b"),
-						},
-					},
-					ColonTkn: &token.Token{
-						ID:    token.ID(58),
-						Value: []byte(":"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  11,
-							EndPos:    12,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  10,
-									EndPos:    11,
-								},
-							},
-						},
-					},
-					IfFalse: &ast.ExprVariable{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  13,
-							EndPos:    15,
-						},
-						Name: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  13,
-								EndPos:    15,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_VARIABLE,
-								Value: []byte("$c"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  13,
-									EndPos:    15,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  12,
-											EndPos:    13,
-										},
-									},
-								},
-							},
-							Value: []byte("$c"),
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  15,
-						EndPos:    16,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestExprTernary_Simple(t *testing.T) {
-	src := `<? $a ? : $c;`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    13,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    13,
-				},
-				Expr: &ast.ExprTernary{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    12,
-					},
-					Cond: &ast.ExprVariable{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    5,
-						},
-						Name: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  3,
-								EndPos:    5,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_VARIABLE,
-								Value: []byte("$a"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  3,
-									EndPos:    5,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_OPEN_TAG,
-										Value: []byte("<?"),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  0,
-											EndPos:    2,
-										},
-									},
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  2,
-											EndPos:    3,
-										},
-									},
-								},
-							},
-							Value: []byte("$a"),
-						},
-					},
-					QuestionTkn: &token.Token{
-						ID:    token.ID(63),
-						Value: []byte("?"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  6,
-							EndPos:    7,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  5,
-									EndPos:    6,
-								},
-							},
-						},
-					},
-					ColonTkn: &token.Token{
-						ID:    token.ID(58),
-						Value: []byte(":"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  8,
-							EndPos:    9,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  7,
-									EndPos:    8,
-								},
-							},
-						},
-					},
-					IfFalse: &ast.ExprVariable{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  10,
-							EndPos:    12,
-						},
-						Name: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  10,
-								EndPos:    12,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_VARIABLE,
-								Value: []byte("$c"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  10,
-									EndPos:    12,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  9,
-											EndPos:    10,
-										},
-									},
-								},
-							},
-							Value: []byte("$c"),
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  12,
-						EndPos:    13,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestExprTernary_NestedTrue(t *testing.T) {
-	src := `<? $a ? $b ? $c : $d : $e;`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    26,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    26,
-				},
-				Expr: &ast.ExprTernary{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    25,
-					},
-					Cond: &ast.ExprVariable{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    5,
-						},
-						Name: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  3,
-								EndPos:    5,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_VARIABLE,
-								Value: []byte("$a"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  3,
-									EndPos:    5,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_OPEN_TAG,
-										Value: []byte("<?"),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  0,
-											EndPos:    2,
-										},
-									},
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  2,
-											EndPos:    3,
-										},
-									},
-								},
-							},
-							Value: []byte("$a"),
-						},
-					},
-					QuestionTkn: &token.Token{
-						ID:    token.ID(63),
-						Value: []byte("?"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  6,
-							EndPos:    7,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  5,
-									EndPos:    6,
-								},
-							},
-						},
-					},
-					IfTrue: &ast.ExprTernary{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  8,
-							EndPos:    20,
-						},
-						Cond: &ast.ExprVariable{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  8,
-								EndPos:    10,
-							},
-							Name: &ast.Identifier{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  8,
-									EndPos:    10,
-								},
-								IdentifierTkn: &token.Token{
-									ID:    token.T_VARIABLE,
-									Value: []byte("$b"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  8,
-										EndPos:    10,
-									},
-									FreeFloating: []*token.Token{
-										{
-											ID:    token.T_WHITESPACE,
-											Value: []byte(" "),
-											Position: &position.Position{
-												StartLine: 1,
-												EndLine:   1,
-												StartPos:  7,
-												EndPos:    8,
-											},
-										},
-									},
-								},
-								Value: []byte("$b"),
-							},
-						},
-						QuestionTkn: &token.Token{
-							ID:    token.ID(63),
-							Value: []byte("?"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  11,
-								EndPos:    12,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  10,
-										EndPos:    11,
-									},
-								},
-							},
-						},
-						IfTrue: &ast.ExprVariable{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  13,
-								EndPos:    15,
-							},
-							Name: &ast.Identifier{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  13,
-									EndPos:    15,
-								},
-								IdentifierTkn: &token.Token{
-									ID:    token.T_VARIABLE,
-									Value: []byte("$c"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  13,
-										EndPos:    15,
-									},
-									FreeFloating: []*token.Token{
-										{
-											ID:    token.T_WHITESPACE,
-											Value: []byte(" "),
-											Position: &position.Position{
-												StartLine: 1,
-												EndLine:   1,
-												StartPos:  12,
-												EndPos:    13,
-											},
-										},
-									},
-								},
-								Value: []byte("$c"),
-							},
-						},
-						ColonTkn: &token.Token{
-							ID:    token.ID(58),
-							Value: []byte(":"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  16,
-								EndPos:    17,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  15,
-										EndPos:    16,
-									},
-								},
-							},
-						},
-						IfFalse: &ast.ExprVariable{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  18,
-								EndPos:    20,
-							},
-							Name: &ast.Identifier{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  18,
-									EndPos:    20,
-								},
-								IdentifierTkn: &token.Token{
-									ID:    token.T_VARIABLE,
-									Value: []byte("$d"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  18,
-										EndPos:    20,
-									},
-									FreeFloating: []*token.Token{
-										{
-											ID:    token.T_WHITESPACE,
-											Value: []byte(" "),
-											Position: &position.Position{
-												StartLine: 1,
-												EndLine:   1,
-												StartPos:  17,
-												EndPos:    18,
-											},
-										},
-									},
-								},
-								Value: []byte("$d"),
-							},
-						},
-					},
-					ColonTkn: &token.Token{
-						ID:    token.ID(58),
-						Value: []byte(":"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  21,
-							EndPos:    22,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  20,
-									EndPos:    21,
-								},
-							},
-						},
-					},
-					IfFalse: &ast.ExprVariable{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  23,
-							EndPos:    25,
-						},
-						Name: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  23,
-								EndPos:    25,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_VARIABLE,
-								Value: []byte("$e"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  23,
-									EndPos:    25,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  22,
-											EndPos:    23,
-										},
-									},
-								},
-							},
-							Value: []byte("$e"),
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  25,
-						EndPos:    26,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestExprTernary_NestedCond(t *testing.T) {
-	src := `<? $a ? $b : $c ? $d : $e;`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    26,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    26,
-				},
-				Expr: &ast.ExprTernary{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    25,
-					},
-					Cond: &ast.ExprTernary{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    15,
-						},
-						Cond: &ast.ExprVariable{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  3,
-								EndPos:    5,
-							},
-							Name: &ast.Identifier{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  3,
-									EndPos:    5,
-								},
-								IdentifierTkn: &token.Token{
-									ID:    token.T_VARIABLE,
-									Value: []byte("$a"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  3,
-										EndPos:    5,
-									},
-									FreeFloating: []*token.Token{
-										{
-											ID:    token.T_OPEN_TAG,
-											Value: []byte("<?"),
-											Position: &position.Position{
-												StartLine: 1,
-												EndLine:   1,
-												StartPos:  0,
-												EndPos:    2,
-											},
-										},
-										{
-											ID:    token.T_WHITESPACE,
-											Value: []byte(" "),
-											Position: &position.Position{
-												StartLine: 1,
-												EndLine:   1,
-												StartPos:  2,
-												EndPos:    3,
-											},
-										},
-									},
-								},
-								Value: []byte("$a"),
-							},
-						},
-						QuestionTkn: &token.Token{
-							ID:    token.ID(63),
-							Value: []byte("?"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  6,
-								EndPos:    7,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  5,
-										EndPos:    6,
-									},
-								},
-							},
-						},
-						IfTrue: &ast.ExprVariable{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  8,
-								EndPos:    10,
-							},
-							Name: &ast.Identifier{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  8,
-									EndPos:    10,
-								},
-								IdentifierTkn: &token.Token{
-									ID:    token.T_VARIABLE,
-									Value: []byte("$b"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  8,
-										EndPos:    10,
-									},
-									FreeFloating: []*token.Token{
-										{
-											ID:    token.T_WHITESPACE,
-											Value: []byte(" "),
-											Position: &position.Position{
-												StartLine: 1,
-												EndLine:   1,
-												StartPos:  7,
-												EndPos:    8,
-											},
-										},
-									},
-								},
-								Value: []byte("$b"),
-							},
-						},
-						ColonTkn: &token.Token{
-							ID:    token.ID(58),
-							Value: []byte(":"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  11,
-								EndPos:    12,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  10,
-										EndPos:    11,
-									},
-								},
-							},
-						},
-						IfFalse: &ast.ExprVariable{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  13,
-								EndPos:    15,
-							},
-							Name: &ast.Identifier{
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  13,
-									EndPos:    15,
-								},
-								IdentifierTkn: &token.Token{
-									ID:    token.T_VARIABLE,
-									Value: []byte("$c"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  13,
-										EndPos:    15,
-									},
-									FreeFloating: []*token.Token{
-										{
-											ID:    token.T_WHITESPACE,
-											Value: []byte(" "),
-											Position: &position.Position{
-												StartLine: 1,
-												EndLine:   1,
-												StartPos:  12,
-												EndPos:    13,
-											},
-										},
-									},
-								},
-								Value: []byte("$c"),
-							},
-						},
-					},
-					QuestionTkn: &token.Token{
-						ID:    token.ID(63),
-						Value: []byte("?"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  16,
-							EndPos:    17,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  15,
-									EndPos:    16,
-								},
-							},
-						},
-					},
-					IfTrue: &ast.ExprVariable{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  18,
-							EndPos:    20,
-						},
-						Name: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  18,
-								EndPos:    20,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_VARIABLE,
-								Value: []byte("$d"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  18,
-									EndPos:    20,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  17,
-											EndPos:    18,
-										},
-									},
-								},
-							},
-							Value: []byte("$d"),
-						},
-					},
-					ColonTkn: &token.Token{
-						ID:    token.ID(58),
-						Value: []byte(":"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  21,
-							EndPos:    22,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  20,
-									EndPos:    21,
-								},
-							},
-						},
-					},
-					IfFalse: &ast.ExprVariable{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  23,
-							EndPos:    25,
-						},
-						Name: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  23,
-								EndPos:    25,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_VARIABLE,
-								Value: []byte("$e"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  23,
-									EndPos:    25,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  22,
-											EndPos:    23,
-										},
-									},
-								},
-							},
-							Value: []byte("$e"),
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  25,
-						EndPos:    26,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestExprUnaryMinus(t *testing.T) {
-	src := `<? -$a;`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    7,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    7,
-				},
-				Expr: &ast.ExprUnaryMinus{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    6,
-					},
-					MinusTkn: &token.Token{
-						ID:    token.ID(45),
-						Value: []byte("-"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    4,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_OPEN_TAG,
-								Value: []byte("<?"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  0,
-									EndPos:    2,
-								},
-							},
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  2,
-									EndPos:    3,
-								},
-							},
-						},
-					},
-					Expr: &ast.ExprVariable{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  4,
-							EndPos:    6,
-						},
-						Name: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  4,
-								EndPos:    6,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_VARIABLE,
-								Value: []byte("$a"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  4,
-									EndPos:    6,
-								},
-							},
-							Value: []byte("$a"),
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  6,
-						EndPos:    7,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestExprUnaryPlus(t *testing.T) {
-	src := `<? +$a;`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    7,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    7,
-				},
-				Expr: &ast.ExprUnaryPlus{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    6,
-					},
-					PlusTkn: &token.Token{
-						ID:    token.ID(43),
-						Value: []byte("+"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    4,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_OPEN_TAG,
-								Value: []byte("<?"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  0,
-									EndPos:    2,
-								},
-							},
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  2,
-									EndPos:    3,
-								},
-							},
-						},
-					},
-					Expr: &ast.ExprVariable{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  4,
-							EndPos:    6,
-						},
-						Name: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  4,
-								EndPos:    6,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_VARIABLE,
-								Value: []byte("$a"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  4,
-									EndPos:    6,
-								},
-							},
-							Value: []byte("$a"),
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  6,
-						EndPos:    7,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestExprVariable(t *testing.T) {
-	src := `<? $a;`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    6,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    6,
-				},
-				Expr: &ast.ExprVariable{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    5,
-					},
-					Name: &ast.Identifier{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    5,
-						},
-						IdentifierTkn: &token.Token{
-							ID:    token.T_VARIABLE,
-							Value: []byte("$a"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  3,
-								EndPos:    5,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_OPEN_TAG,
-									Value: []byte("<?"),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  0,
-										EndPos:    2,
-									},
-								},
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  2,
-										EndPos:    3,
-									},
-								},
-							},
-						},
-						Value: []byte("$a"),
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  5,
-						EndPos:    6,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestExprVariable_Variable(t *testing.T) {
-	src := `<? $$a;`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    7,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    7,
-				},
-				Expr: &ast.ExprVariable{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    6,
-					},
-					DollarTkn: &token.Token{
-						ID:    token.ID(36),
-						Value: []byte("$"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    4,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_OPEN_TAG,
-								Value: []byte("<?"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  0,
-									EndPos:    2,
-								},
-							},
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  2,
-									EndPos:    3,
-								},
-							},
-						},
-					},
-					Name: &ast.ExprVariable{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  4,
-							EndPos:    6,
-						},
-						Name: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  4,
-								EndPos:    6,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_VARIABLE,
-								Value: []byte("$a"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  4,
-									EndPos:    6,
-								},
-							},
-							Value: []byte("$a"),
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  6,
-						EndPos:    7,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestExprYield(t *testing.T) {
-	src := `<? yield;`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    9,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    9,
-				},
-				Expr: &ast.ExprYield{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    8,
-					},
-					YieldTkn: &token.Token{
-						ID:    token.T_YIELD,
-						Value: []byte("yield"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    8,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_OPEN_TAG,
-								Value: []byte("<?"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  0,
-									EndPos:    2,
-								},
-							},
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  2,
-									EndPos:    3,
-								},
-							},
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  8,
-						EndPos:    9,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestExprYield_Val(t *testing.T) {
-	src := `<? yield $a;`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    12,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    12,
-				},
-				Expr: &ast.ExprYield{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    11,
-					},
-					YieldTkn: &token.Token{
-						ID:    token.T_YIELD,
-						Value: []byte("yield"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    8,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_OPEN_TAG,
-								Value: []byte("<?"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  0,
-									EndPos:    2,
-								},
-							},
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  2,
-									EndPos:    3,
-								},
-							},
-						},
-					},
-					Val: &ast.ExprVariable{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  9,
-							EndPos:    11,
-						},
-						Name: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  9,
-								EndPos:    11,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_VARIABLE,
-								Value: []byte("$a"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  9,
-									EndPos:    11,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  8,
-											EndPos:    9,
-										},
-									},
-								},
-							},
-							Value: []byte("$a"),
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  11,
-						EndPos:    12,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestExprYield_KeyVal(t *testing.T) {
-	src := `<? yield $a => $b;`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    18,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    18,
-				},
-				Expr: &ast.ExprYield{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    17,
-					},
-					YieldTkn: &token.Token{
-						ID:    token.T_YIELD,
-						Value: []byte("yield"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    8,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_OPEN_TAG,
-								Value: []byte("<?"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  0,
-									EndPos:    2,
-								},
-							},
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  2,
-									EndPos:    3,
-								},
-							},
-						},
-					},
-					Key: &ast.ExprVariable{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  9,
-							EndPos:    11,
-						},
-						Name: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  9,
-								EndPos:    11,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_VARIABLE,
-								Value: []byte("$a"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  9,
-									EndPos:    11,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  8,
-											EndPos:    9,
-										},
-									},
-								},
-							},
-							Value: []byte("$a"),
-						},
-					},
-					DoubleArrowTkn: &token.Token{
-						ID:    token.T_DOUBLE_ARROW,
-						Value: []byte("=>"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  12,
-							EndPos:    14,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  11,
-									EndPos:    12,
-								},
-							},
-						},
-					},
-					Val: &ast.ExprVariable{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  15,
-							EndPos:    17,
-						},
-						Name: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  15,
-								EndPos:    17,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_VARIABLE,
-								Value: []byte("$b"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  15,
-									EndPos:    17,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  14,
-											EndPos:    15,
-										},
-									},
-								},
-							},
-							Value: []byte("$b"),
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  17,
-						EndPos:    18,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestExprYield_Expr(t *testing.T) {
-	src := `<? yield 1;`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    11,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    11,
-				},
-				Expr: &ast.ExprYield{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    10,
-					},
-					YieldTkn: &token.Token{
-						ID:    token.T_YIELD,
-						Value: []byte("yield"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    8,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_OPEN_TAG,
-								Value: []byte("<?"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  0,
-									EndPos:    2,
-								},
-							},
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  2,
-									EndPos:    3,
-								},
-							},
-						},
-					},
-					Val: &ast.ScalarLnumber{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  9,
-							EndPos:    10,
-						},
-						NumberTkn: &token.Token{
-							ID:    token.T_LNUMBER,
-							Value: []byte("1"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  9,
-								EndPos:    10,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  8,
-										EndPos:    9,
-									},
-								},
-							},
-						},
-						Value: []byte("1"),
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  10,
-						EndPos:    11,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestExprYield_KeyExpr(t *testing.T) {
-	src := `<? yield $a => 1;`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 1,
-			EndLine:   1,
-			StartPos:  3,
-			EndPos:    17,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 1,
-					EndLine:   1,
-					StartPos:  3,
-					EndPos:    17,
-				},
-				Expr: &ast.ExprYield{
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  3,
-						EndPos:    16,
-					},
-					YieldTkn: &token.Token{
-						ID:    token.T_YIELD,
-						Value: []byte("yield"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  3,
-							EndPos:    8,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_OPEN_TAG,
-								Value: []byte("<?"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  0,
-									EndPos:    2,
-								},
-							},
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  2,
-									EndPos:    3,
-								},
-							},
-						},
-					},
-					Key: &ast.ExprVariable{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  9,
-							EndPos:    11,
-						},
-						Name: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  9,
-								EndPos:    11,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_VARIABLE,
-								Value: []byte("$a"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  9,
-									EndPos:    11,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  8,
-											EndPos:    9,
-										},
-									},
-								},
-							},
-							Value: []byte("$a"),
-						},
-					},
-					DoubleArrowTkn: &token.Token{
-						ID:    token.T_DOUBLE_ARROW,
-						Value: []byte("=>"),
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  12,
-							EndPos:    14,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  11,
-									EndPos:    12,
-								},
-							},
-						},
-					},
-					Val: &ast.ScalarLnumber{
-						Position: &position.Position{
-							StartLine: 1,
-							EndLine:   1,
-							StartPos:  15,
-							EndPos:    16,
-						},
-						NumberTkn: &token.Token{
-							ID:    token.T_LNUMBER,
-							Value: []byte("1"),
-							Position: &position.Position{
-								StartLine: 1,
-								EndLine:   1,
-								StartPos:  15,
-								EndPos:    16,
-							},
-							FreeFloating: []*token.Token{
-								{
-									ID:    token.T_WHITESPACE,
-									Value: []byte(" "),
-									Position: &position.Position{
-										StartLine: 1,
-										EndLine:   1,
-										StartPos:  14,
-										EndPos:    15,
-									},
-								},
-							},
-						},
-						Value: []byte("1"),
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 1,
-						EndLine:   1,
-						StartPos:  16,
-						EndPos:    17,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-// expr assign
-
-func TestExprAssign(t *testing.T) {
-	src := `<?
-		$a = $b;
-		$a =& $b;
-		$a =& new Foo;
-		$a =& new Foo($b);
-		$a &= $b;
-		$a |= $b;
-		$a ^= $b;
-		$a .= $b;
-		$a /= $b;
-		$a -= $b;
-		$a %= $b;
-		$a *= $b;
-		$a += $b;
-		$a **= $b;
-		$a <<= $b;
-		$a >>= $b;`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 2,
-			EndLine:   17,
-			StartPos:  5,
-			EndPos:    210,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 2,
-					EndLine:   2,
-					StartPos:  5,
-					EndPos:    13,
-				},
-				Expr: &ast.ExprAssign{
-					Position: &position.Position{
-						StartLine: 2,
-						EndLine:   2,
-						StartPos:  5,
-						EndPos:    12,
-					},
-					Var: &ast.ExprVariable{
-						Position: &position.Position{
-							StartLine: 2,
-							EndLine:   2,
-							StartPos:  5,
-							EndPos:    7,
-						},
-						Name: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 2,
-								EndLine:   2,
-								StartPos:  5,
-								EndPos:    7,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_VARIABLE,
-								Value: []byte("$a"),
-								Position: &position.Position{
-									StartLine: 2,
-									EndLine:   2,
-									StartPos:  5,
-									EndPos:    7,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_OPEN_TAG,
-										Value: []byte("<?"),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  0,
-											EndPos:    2,
-										},
-									},
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte("\n\t\t"),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   2,
-											StartPos:  2,
-											EndPos:    5,
-										},
-									},
-								},
-							},
-							Value: []byte("$a"),
-						},
-					},
-					EqualTkn: &token.Token{
-						ID:    token.ID(61),
-						Value: []byte("="),
-						Position: &position.Position{
-							StartLine: 2,
-							EndLine:   2,
-							StartPos:  8,
-							EndPos:    9,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 2,
-									EndLine:   2,
-									StartPos:  7,
-									EndPos:    8,
-								},
-							},
-						},
-					},
-					Expr: &ast.ExprVariable{
-						Position: &position.Position{
-							StartLine: 2,
-							EndLine:   2,
-							StartPos:  10,
-							EndPos:    12,
-						},
-						Name: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 2,
-								EndLine:   2,
-								StartPos:  10,
-								EndPos:    12,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_VARIABLE,
-								Value: []byte("$b"),
-								Position: &position.Position{
-									StartLine: 2,
-									EndLine:   2,
-									StartPos:  10,
-									EndPos:    12,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 2,
-											EndLine:   2,
-											StartPos:  9,
-											EndPos:    10,
-										},
-									},
-								},
-							},
-							Value: []byte("$b"),
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 2,
-						EndLine:   2,
-						StartPos:  12,
-						EndPos:    13,
-					},
-				},
-			},
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 3,
-					EndLine:   3,
-					StartPos:  16,
-					EndPos:    25,
-				},
-				Expr: &ast.ExprAssignReference{
-					Position: &position.Position{
-						StartLine: 3,
-						EndLine:   3,
-						StartPos:  16,
-						EndPos:    24,
-					},
-					Var: &ast.ExprVariable{
-						Position: &position.Position{
-							StartLine: 3,
-							EndLine:   3,
-							StartPos:  16,
-							EndPos:    18,
-						},
-						Name: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 3,
-								EndLine:   3,
-								StartPos:  16,
-								EndPos:    18,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_VARIABLE,
-								Value: []byte("$a"),
-								Position: &position.Position{
-									StartLine: 3,
-									EndLine:   3,
-									StartPos:  16,
-									EndPos:    18,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte("\n\t\t"),
-										Position: &position.Position{
-											StartLine: 2,
-											EndLine:   3,
-											StartPos:  13,
-											EndPos:    16,
-										},
-									},
-								},
-							},
-							Value: []byte("$a"),
-						},
-					},
-					EqualTkn: &token.Token{
-						ID:    token.ID(61),
-						Value: []byte("="),
-						Position: &position.Position{
-							StartLine: 3,
-							EndLine:   3,
-							StartPos:  19,
-							EndPos:    20,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 3,
-									EndLine:   3,
-									StartPos:  18,
-									EndPos:    19,
-								},
-							},
-						},
-					},
-					AmpersandTkn: &token.Token{
-						ID:    token.ID(38),
-						Value: []byte("&"),
-						Position: &position.Position{
-							StartLine: 3,
-							EndLine:   3,
-							StartPos:  20,
-							EndPos:    21,
-						},
-					},
-					Expr: &ast.ExprVariable{
-						Position: &position.Position{
-							StartLine: 3,
-							EndLine:   3,
-							StartPos:  22,
-							EndPos:    24,
-						},
-						Name: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 3,
-								EndLine:   3,
-								StartPos:  22,
-								EndPos:    24,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_VARIABLE,
-								Value: []byte("$b"),
-								Position: &position.Position{
-									StartLine: 3,
-									EndLine:   3,
-									StartPos:  22,
-									EndPos:    24,
-								},
-								FreeFloating: []*token.Token{
-									{
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-							Position: &position.Position{
-								StartLine: 14,
-								EndLine:   14,
-								StartPos:  168,
-								EndPos:    170,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_VARIABLE,
-								Value: []byte("$b"),
-								Position: &position.Position{
-									StartLine: 14,
-									EndLine:   14,
-									StartPos:  168,
-									EndPos:    170,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 14,
-											EndLine:   14,
-											StartPos:  167,
-											EndPos:    168,
-										},
-									},
-								},
-							},
-							Value: []byte("$b"),
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 14,
-						EndLine:   14,
-						StartPos:  170,
-						EndPos:    171,
-					},
-				},
-			},
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 15,
-					EndLine:   15,
-					StartPos:  174,
-					EndPos:    184,
-				},
-				Expr: &ast.ExprAssignPow{
-					Position: &position.Position{
-						StartLine: 15,
-						EndLine:   15,
-						StartPos:  174,
-						EndPos:    183,
-					},
-					Var: &ast.ExprVariable{
-						Position: &position.Position{
-							StartLine: 15,
-							EndLine:   15,
-							StartPos:  174,
-							EndPos:    176,
-						},
-						Name: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 15,
-								EndLine:   15,
-								StartPos:  174,
-								EndPos:    176,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_VARIABLE,
-								Value: []byte("$a"),
-								Position: &position.Position{
-									StartLine: 15,
-									EndLine:   15,
-									StartPos:  174,
-									EndPos:    176,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte("\n\t\t"),
-										Position: &position.Position{
-											StartLine: 14,
-											EndLine:   15,
-											StartPos:  171,
-											EndPos:    174,
-										},
-									},
-								},
-							},
-							Value: []byte("$a"),
-						},
-					},
-					EqualTkn: &token.Token{
-						ID:    token.T_POW_EQUAL,
-						Value: []byte("**="),
-						Position: &position.Position{
-							StartLine: 15,
-							EndLine:   15,
-							StartPos:  177,
-							EndPos:    180,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 15,
-									EndLine:   15,
-									StartPos:  176,
-									EndPos:    177,
-								},
-							},
-						},
-					},
-					Expr: &ast.ExprVariable{
-						Position: &position.Position{
-							StartLine: 15,
-							EndLine:   15,
-							StartPos:  181,
-							EndPos:    183,
-						},
-						Name: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 15,
-								EndLine:   15,
-								StartPos:  181,
-								EndPos:    183,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_VARIABLE,
-								Value: []byte("$b"),
-								Position: &position.Position{
-									StartLine: 15,
-									EndLine:   15,
-									StartPos:  181,
-									EndPos:    183,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 15,
-											EndLine:   15,
-											StartPos:  180,
-											EndPos:    181,
-										},
-									},
-								},
-							},
-							Value: []byte("$b"),
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 15,
-						EndLine:   15,
-						StartPos:  183,
-						EndPos:    184,
-					},
-				},
-			},
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 16,
-					EndLine:   16,
-					StartPos:  187,
-					EndPos:    197,
-				},
-				Expr: &ast.ExprAssignShiftLeft{
-					Position: &position.Position{
-						StartLine: 16,
-						EndLine:   16,
-						StartPos:  187,
-						EndPos:    196,
-					},
-					Var: &ast.ExprVariable{
-						Position: &position.Position{
-							StartLine: 16,
-							EndLine:   16,
-							StartPos:  187,
-							EndPos:    189,
-						},
-						Name: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 16,
-								EndLine:   16,
-								StartPos:  187,
-								EndPos:    189,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_VARIABLE,
-								Value: []byte("$a"),
-								Position: &position.Position{
-									StartLine: 16,
-									EndLine:   16,
-									StartPos:  187,
-									EndPos:    189,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte("\n\t\t"),
-										Position: &position.Position{
-											StartLine: 15,
-											EndLine:   16,
-											StartPos:  184,
-											EndPos:    187,
-										},
-									},
-								},
-							},
-							Value: []byte("$a"),
-						},
-					},
-					EqualTkn: &token.Token{
-						ID:    token.T_SL_EQUAL,
-						Value: []byte("<<="),
-						Position: &position.Position{
-							StartLine: 16,
-							EndLine:   16,
-							StartPos:  190,
-							EndPos:    193,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 16,
-									EndLine:   16,
-									StartPos:  189,
-									EndPos:    190,
-								},
-							},
-						},
-					},
-					Expr: &ast.ExprVariable{
-						Position: &position.Position{
-							StartLine: 16,
-							EndLine:   16,
-							StartPos:  194,
-							EndPos:    196,
-						},
-						Name: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 16,
-								EndLine:   16,
-								StartPos:  194,
-								EndPos:    196,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_VARIABLE,
-								Value: []byte("$b"),
-								Position: &position.Position{
-									StartLine: 16,
-									EndLine:   16,
-									StartPos:  194,
-									EndPos:    196,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 16,
-											EndLine:   16,
-											StartPos:  193,
-											EndPos:    194,
-										},
-									},
-								},
-							},
-							Value: []byte("$b"),
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 16,
-						EndLine:   16,
-						StartPos:  196,
-						EndPos:    197,
-					},
-				},
-			},
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 17,
-					EndLine:   17,
-					StartPos:  200,
-					EndPos:    210,
-				},
-				Expr: &ast.ExprAssignShiftRight{
-					Position: &position.Position{
-						StartLine: 17,
-						EndLine:   17,
-						StartPos:  200,
-						EndPos:    209,
-					},
-					Var: &ast.ExprVariable{
-						Position: &position.Position{
-							StartLine: 17,
-							EndLine:   17,
-							StartPos:  200,
-							EndPos:    202,
-						},
-						Name: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 17,
-								EndLine:   17,
-								StartPos:  200,
-								EndPos:    202,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_VARIABLE,
-								Value: []byte("$a"),
-								Position: &position.Position{
-									StartLine: 17,
-									EndLine:   17,
-									StartPos:  200,
-									EndPos:    202,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte("\n\t\t"),
-										Position: &position.Position{
-											StartLine: 16,
-											EndLine:   17,
-											StartPos:  197,
-											EndPos:    200,
-										},
-									},
-								},
-							},
-							Value: []byte("$a"),
-						},
-					},
-					EqualTkn: &token.Token{
-						ID:    token.T_SR_EQUAL,
-						Value: []byte(">>="),
-						Position: &position.Position{
-							StartLine: 17,
-							EndLine:   17,
-							StartPos:  203,
-							EndPos:    206,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 17,
-									EndLine:   17,
-									StartPos:  202,
-									EndPos:    203,
-								},
-							},
-						},
-					},
-					Expr: &ast.ExprVariable{
-						Position: &position.Position{
-							StartLine: 17,
-							EndLine:   17,
-							StartPos:  207,
-							EndPos:    209,
-						},
-						Name: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 17,
-								EndLine:   17,
-								StartPos:  207,
-								EndPos:    209,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_VARIABLE,
-								Value: []byte("$b"),
-								Position: &position.Position{
-									StartLine: 17,
-									EndLine:   17,
-									StartPos:  207,
-									EndPos:    209,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 17,
-											EndLine:   17,
-											StartPos:  206,
-											EndPos:    207,
-										},
-									},
-								},
-							},
-							Value: []byte("$b"),
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 17,
-						EndLine:   17,
-						StartPos:  209,
-						EndPos:    210,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-// expr binary
-
-func TestExprBinary_BitwiseAnd(t *testing.T) {
-	src := `<?
-		$a & $b;
-		$a | $b;
-		$a ^ $b;
-		$a && $b;
-		$a || $b;
-		$a . $b;
-		$a / $b;
-		$a == $b;
-		$a >= $b;
-		$a > $b;
-		$a === $b;
-		$a and $b;
-		$a or $b;
-		$a xor $b;
-		$a - $b;
-		$a % $b;
-		$a * $b;
-		$a != $b;
-		$a !== $b;
-		$a + $b;
-		$a ** $b;
-		$a << $b;
-		$a >> $b;
-		$a <= $b;
-		$a < $b;`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 2,
-			EndLine:   26,
-			StartPos:  5,
-			EndPos:    295,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 2,
-					EndLine:   2,
-					StartPos:  5,
-					EndPos:    13,
-				},
-				Expr: &ast.ExprBinaryBitwiseAnd{
-					Position: &position.Position{
-						StartLine: 2,
-						EndLine:   2,
-						StartPos:  5,
-						EndPos:    12,
-					},
-					Left: &ast.ExprVariable{
-						Position: &position.Position{
-							StartLine: 2,
-							EndLine:   2,
-							StartPos:  5,
-							EndPos:    7,
-						},
-						Name: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 2,
-								EndLine:   2,
-								StartPos:  5,
-								EndPos:    7,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_VARIABLE,
-								Value: []byte("$a"),
-								Position: &position.Position{
-									StartLine: 2,
-									EndLine:   2,
-									StartPos:  5,
-									EndPos:    7,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_OPEN_TAG,
-										Value: []byte("<?"),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   1,
-											StartPos:  0,
-											EndPos:    2,
-										},
-									},
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte("\n\t\t"),
-										Position: &position.Position{
-											StartLine: 1,
-											EndLine:   2,
-											StartPos:  2,
-											EndPos:    5,
-										},
-									},
-								},
-							},
-							Value: []byte("$a"),
-						},
-					},
-					OpTkn: &token.Token{
-						ID:    token.ID(38),
-						Value: []byte("&"),
-						Position: &position.Position{
-							StartLine: 2,
-							EndLine:   2,
-							StartPos:  8,
-							EndPos:    9,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 2,
-									EndLine:   2,
-									StartPos:  7,
-									EndPos:    8,
-								},
-							},
-						},
-					},
-					Right: &ast.ExprVariable{
-						Position: &position.Position{
-							StartLine: 2,
-							EndLine:   2,
-							StartPos:  10,
-							EndPos:    12,
-						},
-						Name: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 2,
-								EndLine:   2,
-								StartPos:  10,
-								EndPos:    12,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_VARIABLE,
-								Value: []byte("$b"),
-								Position: &position.Position{
-									StartLine: 2,
-									EndLine:   2,
-									StartPos:  10,
-									EndPos:    12,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 2,
-											EndLine:   2,
-											StartPos:  9,
-											EndPos:    10,
-										},
-									},
-								},
-							},
-							Value: []byte("$b"),
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 2,
-						EndLine:   2,
-						StartPos:  12,
-						EndPos:    13,
-					},
-				},
-			},
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 3,
-					EndLine:   3,
-					StartPos:  16,
-					EndPos:    24,
-				},
-				Expr: &ast.ExprBinaryBitwiseOr{
-					Position: &position.Position{
-						StartLine: 3,
-						EndLine:   3,
-						StartPos:  16,
-						EndPos:    23,
-					},
-					Left: &ast.ExprVariable{
-						Position: &position.Position{
-							StartLine: 3,
-							EndLine:   3,
-							StartPos:  16,
-							EndPos:    18,
-						},
-						Name: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 3,
-								EndLine:   3,
-								StartPos:  16,
-								EndPos:    18,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_VARIABLE,
-								Value: []byte("$a"),
-								Position: &position.Position{
-									StartLine: 3,
-									EndLine:   3,
-									StartPos:  16,
-									EndPos:    18,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte("\n\t\t"),
-										Position: &position.Position{
-											StartLine: 2,
-											EndLine:   3,
-											StartPos:  13,
-											EndPos:    16,
-										},
-									},
-								},
-							},
-							Value: []byte("$a"),
-						},
-					},
-					OpTkn: &token.Token{
-						ID:    token.ID(124),
-						Value: []byte("|"),
-						Position: &position.Position{
-							StartLine: 3,
-							EndLine:   3,
-							StartPos:  19,
-							EndPos:    20,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 3,
-									EndLine:   3,
-									StartPos:  18,
-									EndPos:    19,
-								},
-							},
-						},
-					},
-					Right: &ast.ExprVariable{
-						Position: &position.Position{
-							StartLine: 3,
-							EndLine:   3,
-							StartPos:  21,
-							EndPos:    23,
-						},
-						Name: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 3,
-								EndLine:   3,
-								StartPos:  21,
-								EndPos:    23,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_VARIABLE,
-								Value: []byte("$b"),
-								Position: &position.Position{
-									StartLine: 3,
-									EndLine:   3,
-									StartPos:  21,
-									EndPos:    23,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 3,
-											EndLine:   3,
-											StartPos:  20,
-											EndPos:    21,
-										},
-									},
-								},
-							},
-							Value: []byte("$b"),
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 3,
-						EndLine:   3,
-						StartPos:  23,
-						EndPos:    24,
-					},
-				},
-			},
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 4,
-					EndLine:   4,
-					StartPos:  27,
-					EndPos:    35,
-				},
-				Expr: &ast.ExprBinaryBitwiseXor{
-					Position: &position.Position{
-						StartLine: 4,
-						EndLine:   4,
-						StartPos:  27,
-						EndPos:    34,
-					},
-					Left: &ast.ExprVariable{
-						Position: &position.Position{
-							StartLine: 4,
-							EndLine:   4,
-							StartPos:  27,
-							EndPos:    29,
-						},
-						Name: &ast.Identifier{
-							Position: &position.Position{
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-						Name: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 22,
-								EndLine:   22,
-								StartPos:  239,
-								EndPos:    241,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_VARIABLE,
-								Value: []byte("$a"),
-								Position: &position.Position{
-									StartLine: 22,
-									EndLine:   22,
-									StartPos:  239,
-									EndPos:    241,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte("\n\t\t"),
-										Position: &position.Position{
-											StartLine: 21,
-											EndLine:   22,
-											StartPos:  236,
-											EndPos:    239,
-										},
-									},
-								},
-							},
-							Value: []byte("$a"),
-						},
-					},
-					OpTkn: &token.Token{
-						ID:    token.T_POW,
-						Value: []byte("**"),
-						Position: &position.Position{
-							StartLine: 22,
-							EndLine:   22,
-							StartPos:  242,
-							EndPos:    244,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 22,
-									EndLine:   22,
-									StartPos:  241,
-									EndPos:    242,
-								},
-							},
-						},
-					},
-					Right: &ast.ExprVariable{
-						Position: &position.Position{
-							StartLine: 22,
-							EndLine:   22,
-							StartPos:  245,
-							EndPos:    247,
-						},
-						Name: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 22,
-								EndLine:   22,
-								StartPos:  245,
-								EndPos:    247,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_VARIABLE,
-								Value: []byte("$b"),
-								Position: &position.Position{
-									StartLine: 22,
-									EndLine:   22,
-									StartPos:  245,
-									EndPos:    247,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 22,
-											EndLine:   22,
-											StartPos:  244,
-											EndPos:    245,
-										},
-									},
-								},
-							},
-							Value: []byte("$b"),
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 22,
-						EndLine:   22,
-						StartPos:  247,
-						EndPos:    248,
-					},
-				},
-			},
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 23,
-					EndLine:   23,
-					StartPos:  251,
-					EndPos:    260,
-				},
-				Expr: &ast.ExprBinaryShiftLeft{
-					Position: &position.Position{
-						StartLine: 23,
-						EndLine:   23,
-						StartPos:  251,
-						EndPos:    259,
-					},
-					Left: &ast.ExprVariable{
-						Position: &position.Position{
-							StartLine: 23,
-							EndLine:   23,
-							StartPos:  251,
-							EndPos:    253,
-						},
-						Name: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 23,
-								EndLine:   23,
-								StartPos:  251,
-								EndPos:    253,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_VARIABLE,
-								Value: []byte("$a"),
-								Position: &position.Position{
-									StartLine: 23,
-									EndLine:   23,
-									StartPos:  251,
-									EndPos:    253,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte("\n\t\t"),
-										Position: &position.Position{
-											StartLine: 22,
-											EndLine:   23,
-											StartPos:  248,
-											EndPos:    251,
-										},
-									},
-								},
-							},
-							Value: []byte("$a"),
-						},
-					},
-					OpTkn: &token.Token{
-						ID:    token.T_SL,
-						Value: []byte("<<"),
-						Position: &position.Position{
-							StartLine: 23,
-							EndLine:   23,
-							StartPos:  254,
-							EndPos:    256,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 23,
-									EndLine:   23,
-									StartPos:  253,
-									EndPos:    254,
-								},
-							},
-						},
-					},
-					Right: &ast.ExprVariable{
-						Position: &position.Position{
-							StartLine: 23,
-							EndLine:   23,
-							StartPos:  257,
-							EndPos:    259,
-						},
-						Name: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 23,
-								EndLine:   23,
-								StartPos:  257,
-								EndPos:    259,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_VARIABLE,
-								Value: []byte("$b"),
-								Position: &position.Position{
-									StartLine: 23,
-									EndLine:   23,
-									StartPos:  257,
-									EndPos:    259,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 23,
-											EndLine:   23,
-											StartPos:  256,
-											EndPos:    257,
-										},
-									},
-								},
-							},
-							Value: []byte("$b"),
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 23,
-						EndLine:   23,
-						StartPos:  259,
-						EndPos:    260,
-					},
-				},
-			},
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 24,
-					EndLine:   24,
-					StartPos:  263,
-					EndPos:    272,
-				},
-				Expr: &ast.ExprBinaryShiftRight{
-					Position: &position.Position{
-						StartLine: 24,
-						EndLine:   24,
-						StartPos:  263,
-						EndPos:    271,
-					},
-					Left: &ast.ExprVariable{
-						Position: &position.Position{
-							StartLine: 24,
-							EndLine:   24,
-							StartPos:  263,
-							EndPos:    265,
-						},
-						Name: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 24,
-								EndLine:   24,
-								StartPos:  263,
-								EndPos:    265,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_VARIABLE,
-								Value: []byte("$a"),
-								Position: &position.Position{
-									StartLine: 24,
-									EndLine:   24,
-									StartPos:  263,
-									EndPos:    265,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte("\n\t\t"),
-										Position: &position.Position{
-											StartLine: 23,
-											EndLine:   24,
-											StartPos:  260,
-											EndPos:    263,
-										},
-									},
-								},
-							},
-							Value: []byte("$a"),
-						},
-					},
-					OpTkn: &token.Token{
-						ID:    token.T_SR,
-						Value: []byte(">>"),
-						Position: &position.Position{
-							StartLine: 24,
-							EndLine:   24,
-							StartPos:  266,
-							EndPos:    268,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 24,
-									EndLine:   24,
-									StartPos:  265,
-									EndPos:    266,
-								},
-							},
-						},
-					},
-					Right: &ast.ExprVariable{
-						Position: &position.Position{
-							StartLine: 24,
-							EndLine:   24,
-							StartPos:  269,
-							EndPos:    271,
-						},
-						Name: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 24,
-								EndLine:   24,
-								StartPos:  269,
-								EndPos:    271,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_VARIABLE,
-								Value: []byte("$b"),
-								Position: &position.Position{
-									StartLine: 24,
-									EndLine:   24,
-									StartPos:  269,
-									EndPos:    271,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 24,
-											EndLine:   24,
-											StartPos:  268,
-											EndPos:    269,
-										},
-									},
-								},
-							},
-							Value: []byte("$b"),
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 24,
-						EndLine:   24,
-						StartPos:  271,
-						EndPos:    272,
-					},
-				},
-			},
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 25,
-					EndLine:   25,
-					StartPos:  275,
-					EndPos:    284,
-				},
-				Expr: &ast.ExprBinarySmallerOrEqual{
-					Position: &position.Position{
-						StartLine: 25,
-						EndLine:   25,
-						StartPos:  275,
-						EndPos:    283,
-					},
-					Left: &ast.ExprVariable{
-						Position: &position.Position{
-							StartLine: 25,
-							EndLine:   25,
-							StartPos:  275,
-							EndPos:    277,
-						},
-						Name: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 25,
-								EndLine:   25,
-								StartPos:  275,
-								EndPos:    277,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_VARIABLE,
-								Value: []byte("$a"),
-								Position: &position.Position{
-									StartLine: 25,
-									EndLine:   25,
-									StartPos:  275,
-									EndPos:    277,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte("\n\t\t"),
-										Position: &position.Position{
-											StartLine: 24,
-											EndLine:   25,
-											StartPos:  272,
-											EndPos:    275,
-										},
-									},
-								},
-							},
-							Value: []byte("$a"),
-						},
-					},
-					OpTkn: &token.Token{
-						ID:    token.T_IS_SMALLER_OR_EQUAL,
-						Value: []byte("<="),
-						Position: &position.Position{
-							StartLine: 25,
-							EndLine:   25,
-							StartPos:  278,
-							EndPos:    280,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 25,
-									EndLine:   25,
-									StartPos:  277,
-									EndPos:    278,
-								},
-							},
-						},
-					},
-					Right: &ast.ExprVariable{
-						Position: &position.Position{
-							StartLine: 25,
-							EndLine:   25,
-							StartPos:  281,
-							EndPos:    283,
-						},
-						Name: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 25,
-								EndLine:   25,
-								StartPos:  281,
-								EndPos:    283,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_VARIABLE,
-								Value: []byte("$b"),
-								Position: &position.Position{
-									StartLine: 25,
-									EndLine:   25,
-									StartPos:  281,
-									EndPos:    283,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 25,
-											EndLine:   25,
-											StartPos:  280,
-											EndPos:    281,
-										},
-									},
-								},
-							},
-							Value: []byte("$b"),
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 25,
-						EndLine:   25,
-						StartPos:  283,
-						EndPos:    284,
-					},
-				},
-			},
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 26,
-					EndLine:   26,
-					StartPos:  287,
-					EndPos:    295,
-				},
-				Expr: &ast.ExprBinarySmaller{
-					Position: &position.Position{
-						StartLine: 26,
-						EndLine:   26,
-						StartPos:  287,
-						EndPos:    294,
-					},
-					Left: &ast.ExprVariable{
-						Position: &position.Position{
-							StartLine: 26,
-							EndLine:   26,
-							StartPos:  287,
-							EndPos:    289,
-						},
-						Name: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 26,
-								EndLine:   26,
-								StartPos:  287,
-								EndPos:    289,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_VARIABLE,
-								Value: []byte("$a"),
-								Position: &position.Position{
-									StartLine: 26,
-									EndLine:   26,
-									StartPos:  287,
-									EndPos:    289,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte("\n\t\t"),
-										Position: &position.Position{
-											StartLine: 25,
-											EndLine:   26,
-											StartPos:  284,
-											EndPos:    287,
-										},
-									},
-								},
-							},
-							Value: []byte("$a"),
-						},
-					},
-					OpTkn: &token.Token{
-						ID:    token.ID(60),
-						Value: []byte("<"),
-						Position: &position.Position{
-							StartLine: 26,
-							EndLine:   26,
-							StartPos:  290,
-							EndPos:    291,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte(" "),
-								Position: &position.Position{
-									StartLine: 26,
-									EndLine:   26,
-									StartPos:  289,
-									EndPos:    290,
-								},
-							},
-						},
-					},
-					Right: &ast.ExprVariable{
-						Position: &position.Position{
-							StartLine: 26,
-							EndLine:   26,
-							StartPos:  292,
-							EndPos:    294,
-						},
-						Name: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 26,
-								EndLine:   26,
-								StartPos:  292,
-								EndPos:    294,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_VARIABLE,
-								Value: []byte("$b"),
-								Position: &position.Position{
-									StartLine: 26,
-									EndLine:   26,
-									StartPos:  292,
-									EndPos:    294,
-								},
-								FreeFloating: []*token.Token{
-									{
-										ID:    token.T_WHITESPACE,
-										Value: []byte(" "),
-										Position: &position.Position{
-											StartLine: 26,
-											EndLine:   26,
-											StartPos:  291,
-											EndPos:    292,
-										},
-									},
-								},
-							},
-							Value: []byte("$b"),
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 26,
-						EndLine:   26,
-						StartPos:  294,
-						EndPos:    295,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-// expr cast
-
-func TestExprCast_Array(t *testing.T) {
-	src := `<?
-		(array)$a;
-		(boolean)$a;
-		(bool)$a;
-		(double)$a;
-		(float)$a;
-		(integer)$a;
-		(int)$a;
-		(object)$a;
-		(string)$a;
-		(binary)$a;
-		(unset)$a;`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 2,
-			EndLine:   12,
-			StartPos:  5,
-			EndPos:    150,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 2,
-					EndLine:   2,
-					StartPos:  5,
-					EndPos:    15,
-				},
-				Expr: &ast.ExprCastArray{
-					Position: &position.Position{
-						StartLine: 2,
-						EndLine:   2,
-						StartPos:  5,
-						EndPos:    14,
-					},
-					CastTkn: &token.Token{
-						ID:    token.T_ARRAY_CAST,
-						Value: []byte("(array)"),
-						Position: &position.Position{
-							StartLine: 2,
-							EndLine:   2,
-							StartPos:  5,
-							EndPos:    12,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_OPEN_TAG,
-								Value: []byte("<?"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  0,
-									EndPos:    2,
-								},
-							},
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte("\n\t\t"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   2,
-									StartPos:  2,
-									EndPos:    5,
-								},
-							},
-						},
-					},
-					Expr: &ast.ExprVariable{
-						Position: &position.Position{
-							StartLine: 2,
-							EndLine:   2,
-							StartPos:  12,
-							EndPos:    14,
-						},
-						Name: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 2,
-								EndLine:   2,
-								StartPos:  12,
-								EndPos:    14,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_VARIABLE,
-								Value: []byte("$a"),
-								Position: &position.Position{
-									StartLine: 2,
-									EndLine:   2,
-									StartPos:  12,
-									EndPos:    14,
-								},
-							},
-							Value: []byte("$a"),
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 2,
-						EndLine:   2,
-						StartPos:  14,
-						EndPos:    15,
-					},
-				},
-			},
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 3,
-					EndLine:   3,
-					StartPos:  18,
-					EndPos:    30,
-				},
-				Expr: &ast.ExprCastBool{
-					Position: &position.Position{
-						StartLine: 3,
-						EndLine:   3,
-						StartPos:  18,
-						EndPos:    29,
-					},
-					CastTkn: &token.Token{
-						ID:    token.T_BOOL_CAST,
-						Value: []byte("(boolean)"),
-						Position: &position.Position{
-							StartLine: 3,
-							EndLine:   3,
-							StartPos:  18,
-							EndPos:    27,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte("\n\t\t"),
-								Position: &position.Position{
-									StartLine: 2,
-									EndLine:   3,
-									StartPos:  15,
-									EndPos:    18,
-								},
-							},
-						},
-					},
-					Expr: &ast.ExprVariable{
-						Position: &position.Position{
-							StartLine: 3,
-							EndLine:   3,
-							StartPos:  27,
-							EndPos:    29,
-						},
-						Name: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 3,
-								EndLine:   3,
-								StartPos:  27,
-								EndPos:    29,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_VARIABLE,
-								Value: []byte("$a"),
-								Position: &position.Position{
-									StartLine: 3,
-									EndLine:   3,
-									StartPos:  27,
-									EndPos:    29,
-								},
-							},
-							Value: []byte("$a"),
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 3,
-						EndLine:   3,
-						StartPos:  29,
-						EndPos:    30,
-					},
-				},
-			},
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 4,
-					EndLine:   4,
-					StartPos:  33,
-					EndPos:    42,
-				},
-				Expr: &ast.ExprCastBool{
-					Position: &position.Position{
-						StartLine: 4,
-						EndLine:   4,
-						StartPos:  33,
-						EndPos:    41,
-					},
-					CastTkn: &token.Token{
-						ID:    token.T_BOOL_CAST,
-						Value: []byte("(bool)"),
-						Position: &position.Position{
-							StartLine: 4,
-							EndLine:   4,
-							StartPos:  33,
-							EndPos:    39,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte("\n\t\t"),
-								Position: &position.Position{
-									StartLine: 3,
-									EndLine:   4,
-									StartPos:  30,
-									EndPos:    33,
-								},
-							},
-						},
-					},
-					Expr: &ast.ExprVariable{
-						Position: &position.Position{
-							StartLine: 4,
-							EndLine:   4,
-							StartPos:  39,
-							EndPos:    41,
-						},
-						Name: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 4,
-								EndLine:   4,
-								StartPos:  39,
-								EndPos:    41,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_VARIABLE,
-								Value: []byte("$a"),
-								Position: &position.Position{
-									StartLine: 4,
-									EndLine:   4,
-									StartPos:  39,
-									EndPos:    41,
-								},
-							},
-							Value: []byte("$a"),
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 4,
-						EndLine:   4,
-						StartPos:  41,
-						EndPos:    42,
-					},
-				},
-			},
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 5,
-					EndLine:   5,
-					StartPos:  45,
-					EndPos:    56,
-				},
-				Expr: &ast.ExprCastDouble{
-					Position: &position.Position{
-						StartLine: 5,
-						EndLine:   5,
-						StartPos:  45,
-						EndPos:    55,
-					},
-					CastTkn: &token.Token{
-						ID:    token.T_DOUBLE_CAST,
-						Value: []byte("(double)"),
-						Position: &position.Position{
-							StartLine: 5,
-							EndLine:   5,
-							StartPos:  45,
-							EndPos:    53,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte("\n\t\t"),
-								Position: &position.Position{
-									StartLine: 4,
-									EndLine:   5,
-									StartPos:  42,
-									EndPos:    45,
-								},
-							},
-						},
-					},
-					Expr: &ast.ExprVariable{
-						Position: &position.Position{
-							StartLine: 5,
-							EndLine:   5,
-							StartPos:  53,
-							EndPos:    55,
-						},
-						Name: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 5,
-								EndLine:   5,
-								StartPos:  53,
-								EndPos:    55,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_VARIABLE,
-								Value: []byte("$a"),
-								Position: &position.Position{
-									StartLine: 5,
-									EndLine:   5,
-									StartPos:  53,
-									EndPos:    55,
-								},
-							},
-							Value: []byte("$a"),
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 5,
-						EndLine:   5,
-						StartPos:  55,
-						EndPos:    56,
-					},
-				},
-			},
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 6,
-					EndLine:   6,
-					StartPos:  59,
-					EndPos:    69,
-				},
-				Expr: &ast.ExprCastDouble{
-					Position: &position.Position{
-						StartLine: 6,
-						EndLine:   6,
-						StartPos:  59,
-						EndPos:    68,
-					},
-					CastTkn: &token.Token{
-						ID:    token.T_DOUBLE_CAST,
-						Value: []byte("(float)"),
-						Position: &position.Position{
-							StartLine: 6,
-							EndLine:   6,
-							StartPos:  59,
-							EndPos:    66,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte("\n\t\t"),
-								Position: &position.Position{
-									StartLine: 5,
-									EndLine:   6,
-									StartPos:  56,
-									EndPos:    59,
-								},
-							},
-						},
-					},
-					Expr: &ast.ExprVariable{
-						Position: &position.Position{
-							StartLine: 6,
-							EndLine:   6,
-							StartPos:  66,
-							EndPos:    68,
-						},
-						Name: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 6,
-								EndLine:   6,
-								StartPos:  66,
-								EndPos:    68,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_VARIABLE,
-								Value: []byte("$a"),
-								Position: &position.Position{
-									StartLine: 6,
-									EndLine:   6,
-									StartPos:  66,
-									EndPos:    68,
-								},
-							},
-							Value: []byte("$a"),
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 6,
-						EndLine:   6,
-						StartPos:  68,
-						EndPos:    69,
-					},
-				},
-			},
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 7,
-					EndLine:   7,
-					StartPos:  72,
-					EndPos:    84,
-				},
-				Expr: &ast.ExprCastInt{
-					Position: &position.Position{
-						StartLine: 7,
-						EndLine:   7,
-						StartPos:  72,
-						EndPos:    83,
-					},
-					CastTkn: &token.Token{
-						ID:    token.T_INT_CAST,
-						Value: []byte("(integer)"),
-						Position: &position.Position{
-							StartLine: 7,
-							EndLine:   7,
-							StartPos:  72,
-							EndPos:    81,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte("\n\t\t"),
-								Position: &position.Position{
-									StartLine: 6,
-									EndLine:   7,
-									StartPos:  69,
-									EndPos:    72,
-								},
-							},
-						},
-					},
-					Expr: &ast.ExprVariable{
-						Position: &position.Position{
-							StartLine: 7,
-							EndLine:   7,
-							StartPos:  81,
-							EndPos:    83,
-						},
-						Name: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 7,
-								EndLine:   7,
-								StartPos:  81,
-								EndPos:    83,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_VARIABLE,
-								Value: []byte("$a"),
-								Position: &position.Position{
-									StartLine: 7,
-									EndLine:   7,
-									StartPos:  81,
-									EndPos:    83,
-								},
-							},
-							Value: []byte("$a"),
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 7,
-						EndLine:   7,
-						StartPos:  83,
-						EndPos:    84,
-					},
-				},
-			},
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 8,
-					EndLine:   8,
-					StartPos:  87,
-					EndPos:    95,
-				},
-				Expr: &ast.ExprCastInt{
-					Position: &position.Position{
-						StartLine: 8,
-						EndLine:   8,
-						StartPos:  87,
-						EndPos:    94,
-					},
-					CastTkn: &token.Token{
-						ID:    token.T_INT_CAST,
-						Value: []byte("(int)"),
-						Position: &position.Position{
-							StartLine: 8,
-							EndLine:   8,
-							StartPos:  87,
-							EndPos:    92,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte("\n\t\t"),
-								Position: &position.Position{
-									StartLine: 7,
-									EndLine:   8,
-									StartPos:  84,
-									EndPos:    87,
-								},
-							},
-						},
-					},
-					Expr: &ast.ExprVariable{
-						Position: &position.Position{
-							StartLine: 8,
-							EndLine:   8,
-							StartPos:  92,
-							EndPos:    94,
-						},
-						Name: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 8,
-								EndLine:   8,
-								StartPos:  92,
-								EndPos:    94,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_VARIABLE,
-								Value: []byte("$a"),
-								Position: &position.Position{
-									StartLine: 8,
-									EndLine:   8,
-									StartPos:  92,
-									EndPos:    94,
-								},
-							},
-							Value: []byte("$a"),
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 8,
-						EndLine:   8,
-						StartPos:  94,
-						EndPos:    95,
-					},
-				},
-			},
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 9,
-					EndLine:   9,
-					StartPos:  98,
-					EndPos:    109,
-				},
-				Expr: &ast.ExprCastObject{
-					Position: &position.Position{
-						StartLine: 9,
-						EndLine:   9,
-						StartPos:  98,
-						EndPos:    108,
-					},
-					CastTkn: &token.Token{
-						ID:    token.T_OBJECT_CAST,
-						Value: []byte("(object)"),
-						Position: &position.Position{
-							StartLine: 9,
-							EndLine:   9,
-							StartPos:  98,
-							EndPos:    106,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte("\n\t\t"),
-								Position: &position.Position{
-									StartLine: 8,
-									EndLine:   9,
-									StartPos:  95,
-									EndPos:    98,
-								},
-							},
-						},
-					},
-					Expr: &ast.ExprVariable{
-						Position: &position.Position{
-							StartLine: 9,
-							EndLine:   9,
-							StartPos:  106,
-							EndPos:    108,
-						},
-						Name: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 9,
-								EndLine:   9,
-								StartPos:  106,
-								EndPos:    108,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_VARIABLE,
-								Value: []byte("$a"),
-								Position: &position.Position{
-									StartLine: 9,
-									EndLine:   9,
-									StartPos:  106,
-									EndPos:    108,
-								},
-							},
-							Value: []byte("$a"),
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 9,
-						EndLine:   9,
-						StartPos:  108,
-						EndPos:    109,
-					},
-				},
-			},
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 10,
-					EndLine:   10,
-					StartPos:  112,
-					EndPos:    123,
-				},
-				Expr: &ast.ExprCastString{
-					Position: &position.Position{
-						StartLine: 10,
-						EndLine:   10,
-						StartPos:  112,
-						EndPos:    122,
-					},
-					CastTkn: &token.Token{
-						ID:    token.T_STRING_CAST,
-						Value: []byte("(string)"),
-						Position: &position.Position{
-							StartLine: 10,
-							EndLine:   10,
-							StartPos:  112,
-							EndPos:    120,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte("\n\t\t"),
-								Position: &position.Position{
-									StartLine: 9,
-									EndLine:   10,
-									StartPos:  109,
-									EndPos:    112,
-								},
-							},
-						},
-					},
-					Expr: &ast.ExprVariable{
-						Position: &position.Position{
-							StartLine: 10,
-							EndLine:   10,
-							StartPos:  120,
-							EndPos:    122,
-						},
-						Name: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 10,
-								EndLine:   10,
-								StartPos:  120,
-								EndPos:    122,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_VARIABLE,
-								Value: []byte("$a"),
-								Position: &position.Position{
-									StartLine: 10,
-									EndLine:   10,
-									StartPos:  120,
-									EndPos:    122,
-								},
-							},
-							Value: []byte("$a"),
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 10,
-						EndLine:   10,
-						StartPos:  122,
-						EndPos:    123,
-					},
-				},
-			},
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 11,
-					EndLine:   11,
-					StartPos:  126,
-					EndPos:    137,
-				},
-				Expr: &ast.ExprCastString{
-					Position: &position.Position{
-						StartLine: 11,
-						EndLine:   11,
-						StartPos:  126,
-						EndPos:    136,
-					},
-					CastTkn: &token.Token{
-						ID:    token.T_STRING_CAST,
-						Value: []byte("(binary)"),
-						Position: &position.Position{
-							StartLine: 11,
-							EndLine:   11,
-							StartPos:  126,
-							EndPos:    134,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte("\n\t\t"),
-								Position: &position.Position{
-									StartLine: 10,
-									EndLine:   11,
-									StartPos:  123,
-									EndPos:    126,
-								},
-							},
-						},
-					},
-					Expr: &ast.ExprVariable{
-						Position: &position.Position{
-							StartLine: 11,
-							EndLine:   11,
-							StartPos:  134,
-							EndPos:    136,
-						},
-						Name: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 11,
-								EndLine:   11,
-								StartPos:  134,
-								EndPos:    136,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_VARIABLE,
-								Value: []byte("$a"),
-								Position: &position.Position{
-									StartLine: 11,
-									EndLine:   11,
-									StartPos:  134,
-									EndPos:    136,
-								},
-							},
-							Value: []byte("$a"),
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 11,
-						EndLine:   11,
-						StartPos:  136,
-						EndPos:    137,
-					},
-				},
-			},
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 12,
-					EndLine:   12,
-					StartPos:  140,
-					EndPos:    150,
-				},
-				Expr: &ast.ExprCastUnset{
-					Position: &position.Position{
-						StartLine: 12,
-						EndLine:   12,
-						StartPos:  140,
-						EndPos:    149,
-					},
-					CastTkn: &token.Token{
-						ID:    token.T_UNSET_CAST,
-						Value: []byte("(unset)"),
-						Position: &position.Position{
-							StartLine: 12,
-							EndLine:   12,
-							StartPos:  140,
-							EndPos:    147,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte("\n\t\t"),
-								Position: &position.Position{
-									StartLine: 11,
-									EndLine:   12,
-									StartPos:  137,
-									EndPos:    140,
-								},
-							},
-						},
-					},
-					Expr: &ast.ExprVariable{
-						Position: &position.Position{
-							StartLine: 12,
-							EndLine:   12,
-							StartPos:  147,
-							EndPos:    149,
-						},
-						Name: &ast.Identifier{
-							Position: &position.Position{
-								StartLine: 12,
-								EndLine:   12,
-								StartPos:  147,
-								EndPos:    149,
-							},
-							IdentifierTkn: &token.Token{
-								ID:    token.T_VARIABLE,
-								Value: []byte("$a"),
-								Position: &position.Position{
-									StartLine: 12,
-									EndLine:   12,
-									StartPos:  147,
-									EndPos:    149,
-								},
-							},
-							Value: []byte("$a"),
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 12,
-						EndLine:   12,
-						StartPos:  149,
-						EndPos:    150,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestPhp5Strings(t *testing.T) {
-	src := `<?
-		"test";
-		"\$test";
-		"
-			test
-		";
-		'$test';
-		'
-			$test
-		';
-	`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 2,
-			EndLine:   10,
-			StartPos:  5,
-			EndPos:    70,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 2,
-					EndLine:   2,
-					StartPos:  5,
-					EndPos:    12,
-				},
-				Expr: &ast.ScalarString{
-					Position: &position.Position{
-						StartLine: 2,
-						EndLine:   2,
-						StartPos:  5,
-						EndPos:    11,
-					},
-					StringTkn: &token.Token{
-						ID:    token.T_CONSTANT_ENCAPSED_STRING,
-						Value: []byte("\"test\""),
-						Position: &position.Position{
-							StartLine: 2,
-							EndLine:   2,
-							StartPos:  5,
-							EndPos:    11,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_OPEN_TAG,
-								Value: []byte("<?"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  0,
-									EndPos:    2,
-								},
-							},
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte("\n\t\t"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   2,
-									StartPos:  2,
-									EndPos:    5,
-								},
-							},
-						},
-					},
-					Value: []byte("\"test\""),
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 2,
-						EndLine:   2,
-						StartPos:  11,
-						EndPos:    12,
-					},
-				},
-			},
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 3,
-					EndLine:   3,
-					StartPos:  15,
-					EndPos:    24,
-				},
-				Expr: &ast.ScalarString{
-					Position: &position.Position{
-						StartLine: 3,
-						EndLine:   3,
-						StartPos:  15,
-						EndPos:    23,
-					},
-					StringTkn: &token.Token{
-						ID:    token.T_CONSTANT_ENCAPSED_STRING,
-						Value: []byte("\"\\$test\""),
-						Position: &position.Position{
-							StartLine: 3,
-							EndLine:   3,
-							StartPos:  15,
-							EndPos:    23,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte("\n\t\t"),
-								Position: &position.Position{
-									StartLine: 2,
-									EndLine:   3,
-									StartPos:  12,
-									EndPos:    15,
-								},
-							},
-						},
-					},
-					Value: []byte("\"\\$test\""),
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 3,
-						EndLine:   3,
-						StartPos:  23,
-						EndPos:    24,
-					},
-				},
-			},
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 4,
-					EndLine:   6,
-					StartPos:  27,
-					EndPos:    41,
-				},
-				Expr: &ast.ScalarString{
-					Position: &position.Position{
-						StartLine: 4,
-						EndLine:   6,
-						StartPos:  27,
-						EndPos:    40,
-					},
-					StringTkn: &token.Token{
-						ID:    token.T_CONSTANT_ENCAPSED_STRING,
-						Value: []byte("\"\n\t\t\ttest\n\t\t\""),
-						Position: &position.Position{
-							StartLine: 4,
-							EndLine:   6,
-							StartPos:  27,
-							EndPos:    40,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte("\n\t\t"),
-								Position: &position.Position{
-									StartLine: 3,
-									EndLine:   4,
-									StartPos:  24,
-									EndPos:    27,
-								},
-							},
-						},
-					},
-					Value: []byte("\"\n\t\t\ttest\n\t\t\""),
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 6,
-						EndLine:   6,
-						StartPos:  40,
-						EndPos:    41,
-					},
-				},
-			},
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 7,
-					EndLine:   7,
-					StartPos:  44,
-					EndPos:    52,
-				},
-				Expr: &ast.ScalarString{
-					Position: &position.Position{
-						StartLine: 7,
-						EndLine:   7,
-						StartPos:  44,
-						EndPos:    51,
-					},
-					StringTkn: &token.Token{
-						ID:    token.T_CONSTANT_ENCAPSED_STRING,
-						Value: []byte("'$test'"),
-						Position: &position.Position{
-							StartLine: 7,
-							EndLine:   7,
-							StartPos:  44,
-							EndPos:    51,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte("\n\t\t"),
-								Position: &position.Position{
-									StartLine: 6,
-									EndLine:   7,
-									StartPos:  41,
-									EndPos:    44,
-								},
-							},
-						},
-					},
-					Value: []byte("'$test'"),
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 7,
-						EndLine:   7,
-						StartPos:  51,
-						EndPos:    52,
-					},
-				},
-			},
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 8,
-					EndLine:   10,
-					StartPos:  55,
-					EndPos:    70,
-				},
-				Expr: &ast.ScalarString{
-					Position: &position.Position{
-						StartLine: 8,
-						EndLine:   10,
-						StartPos:  55,
-						EndPos:    69,
-					},
-					StringTkn: &token.Token{
-						ID:    token.T_CONSTANT_ENCAPSED_STRING,
-						Value: []byte("'\n\t\t\t$test\n\t\t'"),
-						Position: &position.Position{
-							StartLine: 8,
-							EndLine:   10,
-							StartPos:  55,
-							EndPos:    69,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte("\n\t\t"),
-								Position: &position.Position{
-									StartLine: 7,
-									EndLine:   8,
-									StartPos:  52,
-									EndPos:    55,
-								},
-							},
-						},
-					},
-					Value: []byte("'\n\t\t\t$test\n\t\t'"),
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 10,
-						EndLine:   10,
-						StartPos:  69,
-						EndPos:    70,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{
-			FreeFloating: []*token.Token{
-				{
-					ID:    token.T_WHITESPACE,
-					Value: []byte("\n\t"),
-					Position: &position.Position{
-						StartLine: 10,
-						EndLine:   11,
-						StartPos:  70,
-						EndPos:    72,
-					},
-				},
-			},
-		},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestPhp5Heredoc(t *testing.T) {
-	src := `<?
-		<<<CAD
-CAD;
-		<<<CAD
-	hello
-CAD;
-		<<<"CAD"
-	hello
-CAD;
-		<<<"CAD"
-	hello $world
-CAD;
-		<<<'CAD'
-	hello $world
-CAD;
-	`
-
-	expected := &ast.Root{
-		Position: &position.Position{
-			StartLine: 2,
-			EndLine:   15,
-			StartPos:  5,
-			EndPos:    120,
-		},
-		Stmts: []ast.Vertex{
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 2,
-					EndLine:   3,
-					StartPos:  5,
-					EndPos:    16,
-				},
-				Expr: &ast.ScalarHeredoc{
-					Position: &position.Position{
-						StartLine: 2,
-						EndLine:   3,
-						StartPos:  5,
-						EndPos:    15,
-					},
-					OpenHeredocTkn: &token.Token{
-						ID:    token.T_START_HEREDOC,
-						Value: []byte("<<<CAD\n"),
-						Position: &position.Position{
-							StartLine: 2,
-							EndLine:   2,
-							StartPos:  5,
-							EndPos:    12,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_OPEN_TAG,
-								Value: []byte("<?"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   1,
-									StartPos:  0,
-									EndPos:    2,
-								},
-							},
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte("\n\t\t"),
-								Position: &position.Position{
-									StartLine: 1,
-									EndLine:   2,
-									StartPos:  2,
-									EndPos:    5,
-								},
-							},
-						},
-					},
-					CloseHeredocTkn: &token.Token{
-						ID:    token.T_END_HEREDOC,
-						Value: []byte("CAD"),
-						Position: &position.Position{
-							StartLine: 3,
-							EndLine:   3,
-							StartPos:  12,
-							EndPos:    15,
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 3,
-						EndLine:   3,
-						StartPos:  15,
-						EndPos:    16,
-					},
-				},
-			},
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 4,
-					EndLine:   6,
-					StartPos:  19,
-					EndPos:    37,
-				},
-				Expr: &ast.ScalarHeredoc{
-					Position: &position.Position{
-						StartLine: 4,
-						EndLine:   6,
-						StartPos:  19,
-						EndPos:    36,
-					},
-					OpenHeredocTkn: &token.Token{
-						ID:    token.T_START_HEREDOC,
-						Value: []byte("<<<CAD\n"),
-						Position: &position.Position{
-							StartLine: 4,
-							EndLine:   4,
-							StartPos:  19,
-							EndPos:    26,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte("\n\t\t"),
-								Position: &position.Position{
-									StartLine: 3,
-									EndLine:   4,
-									StartPos:  16,
-									EndPos:    19,
-								},
-							},
-						},
-					},
-					Parts: []ast.Vertex{
-						&ast.ScalarEncapsedStringPart{
-							Position: &position.Position{
-								StartLine: 5,
-								EndLine:   5,
-								StartPos:  26,
-								EndPos:    33,
-							},
-							EncapsedStrTkn: &token.Token{
-								ID:    token.T_ENCAPSED_AND_WHITESPACE,
-								Value: []byte("\thello\n"),
-								Position: &position.Position{
-									StartLine: 5,
-									EndLine:   5,
-									StartPos:  26,
-									EndPos:    33,
-								},
-							},
-							Value: []byte("\thello\n"),
-						},
-					},
-					CloseHeredocTkn: &token.Token{
-						ID:    token.T_END_HEREDOC,
-						Value: []byte("CAD"),
-						Position: &position.Position{
-							StartLine: 6,
-							EndLine:   6,
-							StartPos:  33,
-							EndPos:    36,
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 6,
-						EndLine:   6,
-						StartPos:  36,
-						EndPos:    37,
-					},
-				},
-			},
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 7,
-					EndLine:   9,
-					StartPos:  40,
-					EndPos:    60,
-				},
-				Expr: &ast.ScalarHeredoc{
-					Position: &position.Position{
-						StartLine: 7,
-						EndLine:   9,
-						StartPos:  40,
-						EndPos:    59,
-					},
-					OpenHeredocTkn: &token.Token{
-						ID:    token.T_START_HEREDOC,
-						Value: []byte("<<<\"CAD\"\n"),
-						Position: &position.Position{
-							StartLine: 7,
-							EndLine:   7,
-							StartPos:  40,
-							EndPos:    49,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte("\n\t\t"),
-								Position: &position.Position{
-									StartLine: 6,
-									EndLine:   7,
-									StartPos:  37,
-									EndPos:    40,
-								},
-							},
-						},
-					},
-					Parts: []ast.Vertex{
-						&ast.ScalarEncapsedStringPart{
-							Position: &position.Position{
-								StartLine: 8,
-								EndLine:   8,
-								StartPos:  49,
-								EndPos:    56,
-							},
-							EncapsedStrTkn: &token.Token{
-								ID:    token.T_ENCAPSED_AND_WHITESPACE,
-								Value: []byte("\thello\n"),
-								Position: &position.Position{
-									StartLine: 8,
-									EndLine:   8,
-									StartPos:  49,
-									EndPos:    56,
-								},
-							},
-							Value: []byte("\thello\n"),
-						},
-					},
-					CloseHeredocTkn: &token.Token{
-						ID:    token.T_END_HEREDOC,
-						Value: []byte("CAD"),
-						Position: &position.Position{
-							StartLine: 9,
-							EndLine:   9,
-							StartPos:  56,
-							EndPos:    59,
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 9,
-						EndLine:   9,
-						StartPos:  59,
-						EndPos:    60,
-					},
-				},
-			},
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 10,
-					EndLine:   12,
-					StartPos:  63,
-					EndPos:    90,
-				},
-				Expr: &ast.ScalarHeredoc{
-					Position: &position.Position{
-						StartLine: 10,
-						EndLine:   12,
-						StartPos:  63,
-						EndPos:    89,
-					},
-					OpenHeredocTkn: &token.Token{
-						ID:    token.T_START_HEREDOC,
-						Value: []byte("<<<\"CAD\"\n"),
-						Position: &position.Position{
-							StartLine: 10,
-							EndLine:   10,
-							StartPos:  63,
-							EndPos:    72,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte("\n\t\t"),
-								Position: &position.Position{
-									StartLine: 9,
-									EndLine:   10,
-									StartPos:  60,
-									EndPos:    63,
-								},
-							},
-						},
-					},
-					Parts: []ast.Vertex{
-						&ast.ScalarEncapsedStringPart{
-							Position: &position.Position{
-								StartLine: 11,
-								EndLine:   11,
-								StartPos:  72,
-								EndPos:    79,
-							},
-							EncapsedStrTkn: &token.Token{
-								ID:    token.T_ENCAPSED_AND_WHITESPACE,
-								Value: []byte("\thello "),
-								Position: &position.Position{
-									StartLine: 11,
-									EndLine:   11,
-									StartPos:  72,
-									EndPos:    79,
-								},
-							},
-							Value: []byte("\thello "),
-						},
-						&ast.ExprVariable{
-							Position: &position.Position{
-								StartLine: 11,
-								EndLine:   11,
-								StartPos:  79,
-								EndPos:    85,
-							},
-							Name: &ast.Identifier{
-								Position: &position.Position{
-									StartLine: 11,
-									EndLine:   11,
-									StartPos:  79,
-									EndPos:    85,
-								},
-								IdentifierTkn: &token.Token{
-									ID:    token.T_VARIABLE,
-									Value: []byte("$world"),
-									Position: &position.Position{
-										StartLine: 11,
-										EndLine:   11,
-										StartPos:  79,
-										EndPos:    85,
-									},
-								},
-								Value: []byte("$world"),
-							},
-						},
-						&ast.ScalarEncapsedStringPart{
-							Position: &position.Position{
-								StartLine: 11,
-								EndLine:   11,
-								StartPos:  85,
-								EndPos:    86,
-							},
-							EncapsedStrTkn: &token.Token{
-								ID:    token.T_ENCAPSED_AND_WHITESPACE,
-								Value: []byte("\n"),
-								Position: &position.Position{
-									StartLine: 11,
-									EndLine:   11,
-									StartPos:  85,
-									EndPos:    86,
-								},
-							},
-							Value: []byte("\n"),
-						},
-					},
-					CloseHeredocTkn: &token.Token{
-						ID:    token.T_END_HEREDOC,
-						Value: []byte("CAD"),
-						Position: &position.Position{
-							StartLine: 12,
-							EndLine:   12,
-							StartPos:  86,
-							EndPos:    89,
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 12,
-						EndLine:   12,
-						StartPos:  89,
-						EndPos:    90,
-					},
-				},
-			},
-			&ast.StmtExpression{
-				Position: &position.Position{
-					StartLine: 13,
-					EndLine:   15,
-					StartPos:  93,
-					EndPos:    120,
-				},
-				Expr: &ast.ScalarHeredoc{
-					Position: &position.Position{
-						StartLine: 13,
-						EndLine:   15,
-						StartPos:  93,
-						EndPos:    119,
-					},
-					OpenHeredocTkn: &token.Token{
-						ID:    token.T_START_HEREDOC,
-						Value: []byte("<<<'CAD'\n"),
-						Position: &position.Position{
-							StartLine: 13,
-							EndLine:   13,
-							StartPos:  93,
-							EndPos:    102,
-						},
-						FreeFloating: []*token.Token{
-							{
-								ID:    token.T_WHITESPACE,
-								Value: []byte("\n\t\t"),
-								Position: &position.Position{
-									StartLine: 12,
-									EndLine:   13,
-									StartPos:  90,
-									EndPos:    93,
-								},
-							},
-						},
-					},
-					Parts: []ast.Vertex{
-						&ast.ScalarEncapsedStringPart{
-							Position: &position.Position{
-								StartLine: 14,
-								EndLine:   14,
-								StartPos:  102,
-								EndPos:    116,
-							},
-							EncapsedStrTkn: &token.Token{
-								ID:    token.T_ENCAPSED_AND_WHITESPACE,
-								Value: []byte("\thello $world\n"),
-								Position: &position.Position{
-									StartLine: 14,
-									EndLine:   14,
-									StartPos:  102,
-									EndPos:    116,
-								},
-							},
-							Value: []byte("\thello $world\n"),
-						},
-					},
-					CloseHeredocTkn: &token.Token{
-						ID:    token.T_END_HEREDOC,
-						Value: []byte("CAD"),
-						Position: &position.Position{
-							StartLine: 15,
-							EndLine:   15,
-							StartPos:  116,
-							EndPos:    119,
-						},
-					},
-				},
-				SemiColonTkn: &token.Token{
-					ID:    token.ID(59),
-					Value: []byte(";"),
-					Position: &position.Position{
-						StartLine: 15,
-						EndLine:   15,
-						StartPos:  119,
-						EndPos:    120,
-					},
-				},
-			},
-		},
-		EndTkn: &token.Token{
-			FreeFloating: []*token.Token{
-				{
-					ID:    token.T_WHITESPACE,
-					Value: []byte("\n\t"),
-					Position: &position.Position{
-						StartLine: 15,
-						EndLine:   16,
-						StartPos:  120,
-						EndPos:    122,
-					},
-				},
-			},
-		},
-	}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	actual := php5parser.GetRootNode()
-	assert.DeepEqual(t, expected, actual)
-}
-
-func TestPhp5ControlCharsErrors(t *testing.T) {
-	src := "<?php \004 echo $b; \"$a[\005test]\";"
-
-	expected := []*errors.Error{
-		{
-			Msg: "WARNING: Unexpected character in input: '\004' (ASCII=4)",
-			Pos: &position.Position{StartLine: 1, EndLine: 1, StartPos: 6, EndPos: 7},
-		},
-		{
-			Msg: "WARNING: Unexpected character in input: '\005' (ASCII=5)",
-			Pos: &position.Position{StartLine: 1, EndLine: 1, StartPos: 21, EndPos: 22},
-		},
-	}
-
-	parserErrors := []*errors.Error{}
-
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-		ErrorHandlerFunc: func(e *errors.Error) {
-			parserErrors = append(parserErrors, e)
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-	assert.DeepEqual(t, expected, parserErrors)
-}
diff --git a/internal/php5/php5.go b/internal/php5/php5.go
deleted file mode 100644
index fd038cac60027fc40de3cd8772fe22f453b2c943..0000000000000000000000000000000000000000
GIT binary patch
literal 0
HcmV?d00001

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diff --git a/internal/php5/php5.y b/internal/php5/php5.y
deleted file mode 100644
index 980f50a..0000000
--- a/internal/php5/php5.y
+++ /dev/null
@@ -1,5698 +0,0 @@
-%{
-package php5
-
-import (
-    "strconv"
-
-    "github.com/VKCOM/php-parser/pkg/ast"
-    "github.com/VKCOM/php-parser/pkg/errors"
-    "github.com/VKCOM/php-parser/pkg/token"
-)
-
-%}
-
-%union{
-    node                    ast.Vertex
-    token                   *token.Token
-    list                    []ast.Vertex
-}
-
-%token <token> T_INCLUDE
-%token <token> T_INCLUDE_ONCE
-%token <token> T_EXIT
-%token <token> T_IF
-%token <token> T_LNUMBER
-%token <token> T_DNUMBER
-%token <token> T_STRING
-%token <token> T_STRING_VARNAME
-%token <token> T_VARIABLE
-%token <token> T_NUM_STRING
-%token <token> T_INLINE_HTML
-%token <token> T_CHARACTER
-%token <token> T_BAD_CHARACTER
-%token <token> T_ENCAPSED_AND_WHITESPACE
-%token <token> T_CONSTANT_ENCAPSED_STRING
-%token <token> T_ECHO
-%token <token> T_DO
-%token <token> T_WHILE
-%token <token> T_ENDWHILE
-%token <token> T_FOR
-%token <token> T_ENDFOR
-%token <token> T_FOREACH
-%token <token> T_ENDFOREACH
-%token <token> T_DECLARE
-%token <token> T_ENDDECLARE
-%token <token> T_AS
-%token <token> T_SWITCH
-%token <token> T_ENDSWITCH
-%token <token> T_CASE
-%token <token> T_DEFAULT
-%token <token> T_BREAK
-%token <token> T_CONTINUE
-%token <token> T_GOTO
-%token <token> T_FUNCTION
-%token <token> T_FN
-%token <token> T_CONST
-%token <token> T_RETURN
-%token <token> T_TRY
-%token <token> T_CATCH
-%token <token> T_FINALLY
-%token <token> T_THROW
-%token <token> T_USE
-%token <token> T_INSTEADOF
-%token <token> T_GLOBAL
-%token <token> T_VAR
-%token <token> T_UNSET
-%token <token> T_ISSET
-%token <token> T_EMPTY
-%token <token> T_HALT_COMPILER
-%token <token> T_CLASS
-%token <token> T_TRAIT
-%token <token> T_INTERFACE
-%token <token> T_EXTENDS
-%token <token> T_IMPLEMENTS
-%token <token> T_OBJECT_OPERATOR
-%token <token> T_DOUBLE_ARROW
-%token <token> T_LIST
-%token <token> T_ARRAY
-%token <token> T_CALLABLE
-%token <token> T_CLASS_C
-%token <token> T_TRAIT_C
-%token <token> T_METHOD_C
-%token <token> T_FUNC_C
-%token <token> T_LINE
-%token <token> T_FILE
-%token <token> T_COMMENT
-%token <token> T_DOC_COMMENT
-%token <token> T_OPEN_TAG
-%token <token> T_OPEN_TAG_WITH_ECHO
-%token <token> T_CLOSE_TAG
-%token <token> T_WHITESPACE
-%token <token> T_START_HEREDOC
-%token <token> T_END_HEREDOC
-%token <token> T_DOLLAR_OPEN_CURLY_BRACES
-%token <token> T_CURLY_OPEN
-%token <token> T_PAAMAYIM_NEKUDOTAYIM
-%token <token> T_NAMESPACE
-%token <token> T_NS_C
-%token <token> T_DIR
-%token <token> T_NS_SEPARATOR
-%token <token> T_ELLIPSIS
-%token <token> T_EVAL
-%token <token> T_REQUIRE
-%token <token> T_REQUIRE_ONCE
-%token <token> T_LOGICAL_OR
-%token <token> T_LOGICAL_XOR
-%token <token> T_LOGICAL_AND
-%token <token> T_INSTANCEOF
-%token <token> T_NEW
-%token <token> T_CLONE
-%token <token> T_ELSEIF
-%token <token> T_ELSE
-%token <token> T_ENDIF
-%token <token> T_PRINT
-%token <token> T_YIELD
-%token <token> T_STATIC
-%token <token> T_ABSTRACT
-%token <token> T_FINAL
-%token <token> T_PRIVATE
-%token <token> T_PROTECTED
-%token <token> T_PUBLIC
-%token <token> T_INC
-%token <token> T_DEC
-%token <token> T_YIELD_FROM
-%token <token> T_INT_CAST
-%token <token> T_DOUBLE_CAST
-%token <token> T_STRING_CAST
-%token <token> T_ARRAY_CAST
-%token <token> T_OBJECT_CAST
-%token <token> T_BOOL_CAST
-%token <token> T_UNSET_CAST
-%token <token> T_COALESCE
-%token <token> T_SPACESHIP
-%token <token> T_NOELSE
-%token <token> T_PLUS_EQUAL
-%token <token> T_MINUS_EQUAL
-%token <token> T_MUL_EQUAL
-%token <token> T_POW_EQUAL
-%token <token> T_DIV_EQUAL
-%token <token> T_CONCAT_EQUAL
-%token <token> T_MOD_EQUAL
-%token <token> T_AND_EQUAL
-%token <token> T_OR_EQUAL
-%token <token> T_XOR_EQUAL
-%token <token> T_SL_EQUAL
-%token <token> T_SR_EQUAL
-%token <token> T_COALESCE_EQUAL
-%token <token> T_BOOLEAN_OR
-%token <token> T_BOOLEAN_AND
-%token <token> T_POW
-%token <token> T_SL
-%token <token> T_SR
-%token <token> T_IS_IDENTICAL
-%token <token> T_IS_NOT_IDENTICAL
-%token <token> T_IS_EQUAL
-%token <token> T_IS_NOT_EQUAL
-%token <token> T_IS_SMALLER_OR_EQUAL
-%token <token> T_IS_GREATER_OR_EQUAL
-%token <token> '"'
-%token <token> '`'
-%token <token> '{'
-%token <token> '}'
-%token <token> ';'
-%token <token> ':'
-%token <token> '('
-%token <token> ')'
-%token <token> '['
-%token <token> ']'
-%token <token> '?'
-%token <token> '&'
-%token <token> '-'
-%token <token> '+'
-%token <token> '!'
-%token <token> '~'
-%token <token> '@'
-%token <token> '$'
-%token <token> ','
-%token <token> '|'
-%token <token> '='
-%token <token> '^'
-%token <token> '*'
-%token <token> '/'
-%token <token> '%'
-%token <token> '<'
-%token <token> '>'
-%token <token> '.'
-
-%left T_INCLUDE T_INCLUDE_ONCE T_EVAL T_REQUIRE T_REQUIRE_ONCE
-%left ','
-%left T_LOGICAL_OR
-%left T_LOGICAL_XOR
-%left T_LOGICAL_AND
-%right T_PRINT
-%right T_YIELD
-%left '=' T_PLUS_EQUAL T_MINUS_EQUAL T_MUL_EQUAL T_DIV_EQUAL T_CONCAT_EQUAL T_MOD_EQUAL T_AND_EQUAL T_OR_EQUAL T_XOR_EQUAL T_SL_EQUAL T_SR_EQUAL T_POW_EQUAL
-%left '?' ':'
-%left T_BOOLEAN_OR
-%left T_BOOLEAN_AND 
-%left '|'
-%left '^'
-%left '&'
-%nonassoc T_IS_EQUAL T_IS_NOT_EQUAL T_IS_IDENTICAL T_IS_NOT_IDENTICAL
-%nonassoc '<' T_IS_SMALLER_OR_EQUAL '>' T_IS_GREATER_OR_EQUAL
-%left T_SL T_SR
-%left '+' '-' '.'
-%left '*' '/' '%'
-%right '!'
-%nonassoc T_INSTANCEOF
-%right '~' T_INC T_DEC T_INT_CAST T_DOUBLE_CAST T_STRING_CAST T_ARRAY_CAST T_OBJECT_CAST T_BOOL_CAST T_UNSET_CAST '@'
-%right T_POW
-%right '['
-%nonassoc T_NEW T_CLONE
-%left T_ELSEIF
-%left T_ELSE 
-%left T_ENDIF 
-%right T_STATIC T_ABSTRACT T_FINAL T_PRIVATE T_PROTECTED T_PUBLIC
-
-%type <token> function interface_entry
-%type <token> possible_comma
-%type <token> case_separator
-%type <token> is_reference is_variadic
-
-%type <node> top_statement use_declaration use_function_declaration use_const_declaration common_scalar
-%type <node> static_class_constant compound_variable reference_variable class_name variable_class_name
-%type <node> dim_offset expr expr_without_variable r_variable w_variable rw_variable variable base_variable_with_function_calls
-%type <node> base_variable array_function_dereference function_call inner_statement statement unticked_statement
-%type <node> statement global_var static_scalar scalar class_constant static_class_name_scalar class_name_scalar
-%type <node> encaps_var encaps_var encaps_var_offset general_constant isset_variable internal_functions_in_yacc assignment_list_element
-%type <node> variable_name variable_without_objects dynamic_class_name_reference new_expr class_name_reference static_member
-%type <node> function_call fully_qualified_class_name combined_scalar combined_scalar_offset general_constant parenthesis_expr
-%type <node> exit_expr yield_expr function_declaration_statement class_declaration_statement constant_declaration
-%type <node> else_single new_else_single unset_variable declare_statement parameter_list non_empty_parameter_list
-%type <node> finally_statement additional_catch unticked_function_declaration_statement unticked_class_declaration_statement
-%type <node> optional_class_type parameter class_entry_type class_statement class_constant_declaration
-%type <node> trait_use_statement function_call_parameter trait_adaptation_statement trait_precedence trait_alias
-%type <node> trait_method_reference_fully_qualified trait_method_reference trait_modifiers member_modifier method
-%type <node> static_scalar_value static_operation static_var_list global_var_list
-%type <node> ctor_arguments function_call_parameter_list echo_expr_list class_variable_declaration
-%type <node> trait_adaptations unset_variables declare_list non_empty_array_pair_list array_pair_list
-%type <node> switch_case_list non_empty_function_call_parameter_list assignment_list lexical_var_list
-%type <node> method_body trait_reference_list static_array_pair_list non_empty_static_array_pair_list
-%type <node> foreach_statement for_statement while_statement isset_variables
-%type <node> foreach_variable foreach_optional_arg for_expr non_empty_for_expr
-%type <node> extends_from interface_list trait_list namespace_name
-%type <node> implements_list use_declarations use_function_declarations use_const_declarations
-%type <node> interface_extends_list
-%type <node> lexical_vars
-
-%type <list> top_statement_list
-%type <list> inner_statement_list encaps_list
-%type <list> elseif_list new_elseif_list
-%type <list> case_list catch_statement additional_catches
-%type <list> non_empty_additional_catches class_statement_list
-%type <list> class_statement_list variable_modifiers method_modifiers
-%type <list> trait_adaptation_list non_empty_trait_adaptation_list
-%type <list> non_empty_member_modifiers backticks_expr
-
-%type <list> chaining_dereference chaining_instance_call chaining_method_or_property instance_call variable_property
-%type <list> method_or_not array_method_dereference object_property object_dim_list dynamic_class_name_variable_property
-%type <list> dynamic_class_name_variable_properties variable_properties
-
-%type <list> simple_indirect_reference
-
-%%
-
-start:
-        top_statement_list
-            {
-                yylex.(*Parser).currentToken.Value = nil
-
-                yylex.(*Parser).rootNode = &ast.Root{
-                    Position: yylex.(*Parser).builder.NewNodeListPosition($1),
-                    Stmts:  $1,
-                    EndTkn: yylex.(*Parser).currentToken,
-                }
-            }
-;
-
-top_statement_list:
-        top_statement_list top_statement
-            {
-                if $2 != nil {
-                    $$ = append($1, $2)
-                }
-            }
-    |   /* empty */
-            {
-                $$ = []ast.Vertex{}
-            }
-;
-
-namespace_name:
-        T_STRING
-            {
-                $$ = &ParserSeparatedList{
-                    Items: []ast.Vertex{
-                        &ast.NamePart{
-                            Position: yylex.(*Parser).builder.NewTokenPosition($1),
-                            StringTkn: $1,
-                            Value:     $1.Value,
-                        },
-                    },
-                }
-            }
-    |   namespace_name T_NS_SEPARATOR T_STRING
-            {
-                part := &ast.NamePart{
-                    Position: yylex.(*Parser).builder.NewTokenPosition($3),
-                    StringTkn:      $3,
-                    Value:          $3.Value,
-                }
-
-                $1.(*ParserSeparatedList).SeparatorTkns = append($1.(*ParserSeparatedList).SeparatorTkns, $2)
-                $1.(*ParserSeparatedList).Items = append($1.(*ParserSeparatedList).Items, part)
-
-                $$ = $1
-            }
-;
-
-top_statement:
-        error
-            {
-                // error
-                $$ = nil
-            }
-    |   statement
-            {
-                $$ = $1
-            }
-    |   function_declaration_statement
-            {
-                $$ = $1
-            }
-    |   class_declaration_statement
-            {
-                $$ = $1
-            }
-    |   T_HALT_COMPILER '(' ')' ';'
-            {
-                $$ = &ast.StmtHaltCompiler{
-                    Position: yylex.(*Parser).builder.NewTokensPosition($1, $4),
-                    HaltCompilerTkn:     $1,
-                    OpenParenthesisTkn:  $2,
-                    CloseParenthesisTkn: $3,
-                    SemiColonTkn:        $4,
-                }
-            }
-    |   T_NAMESPACE namespace_name ';'
-            {
-                $$ = &ast.StmtNamespace{
-                    Position: yylex.(*Parser).builder.NewTokensPosition($1, $3),
-                    NsTkn: $1,
-                    Name: &ast.Name{
-                        Position: yylex.(*Parser).builder.NewNodeListPosition($2.(*ParserSeparatedList).Items),
-                        Parts:         $2.(*ParserSeparatedList).Items,
-                        SeparatorTkns: $2.(*ParserSeparatedList).SeparatorTkns,
-                    },
-                    SemiColonTkn: $3,
-                }
-            }
-    |   T_NAMESPACE namespace_name '{' top_statement_list '}'
-            {
-                $$ = &ast.StmtNamespace{
-                    Position: yylex.(*Parser).builder.NewTokensPosition($1, $5),
-                    NsTkn: $1,
-                    Name: &ast.Name{
-                        Position: yylex.(*Parser).builder.NewNodeListPosition($2.(*ParserSeparatedList).Items),
-                        Parts:         $2.(*ParserSeparatedList).Items,
-                        SeparatorTkns: $2.(*ParserSeparatedList).SeparatorTkns,
-                    },
-                    OpenCurlyBracketTkn:  $3,
-                    Stmts:                $4,
-                    CloseCurlyBracketTkn: $5,
-                }
-            }
-    |   T_NAMESPACE '{' top_statement_list '}'
-            {
-                $$ = &ast.StmtNamespace{
-                    Position: yylex.(*Parser).builder.NewTokensPosition($1, $4),
-                    NsTkn:                $1,
-                    OpenCurlyBracketTkn:  $2,
-                    Stmts:                $3,
-                    CloseCurlyBracketTkn: $4,
-                }
-            }
-    |   T_USE use_declarations ';'
-            {
-                $$ = &ast.StmtUseList{
-                    Position: yylex.(*Parser).builder.NewTokensPosition($1, $3),
-                    UseTkn:          $1,
-                    Uses:            $2.(*ParserSeparatedList).Items,
-                    SeparatorTkns:   $2.(*ParserSeparatedList).SeparatorTkns,
-                    SemiColonTkn:    $3,
-                }
-            }
-    |   T_USE T_FUNCTION use_function_declarations ';'
-            {
-                $$ = &ast.StmtUseList{
-                    Position: yylex.(*Parser).builder.NewTokensPosition($1, $4),
-                    UseTkn: $1,
-                    Type: &ast.Identifier{
-                        Position: yylex.(*Parser).builder.NewTokenPosition($2),
-                        IdentifierTkn: $2,
-                        Value:         $2.Value,
-                    },
-                    Uses:            $3.(*ParserSeparatedList).Items,
-                    SeparatorTkns:   $3.(*ParserSeparatedList).SeparatorTkns,
-                    SemiColonTkn:    $4,
-                }
-            }
-    |   T_USE T_CONST use_const_declarations ';'
-            {
-                $$ = &ast.StmtUseList{
-                    Position: yylex.(*Parser).builder.NewTokensPosition($1, $4),
-                    UseTkn: $1,
-                    Type: &ast.Identifier{
-                        Position: yylex.(*Parser).builder.NewTokenPosition($2),
-                        IdentifierTkn: $2,
-                        Value:         $2.Value,
-                    },
-                    Uses:            $3.(*ParserSeparatedList).Items,
-                    SeparatorTkns:   $3.(*ParserSeparatedList).SeparatorTkns,
-                    SemiColonTkn:    $4,
-                }
-            }
-    |   constant_declaration ';'
-            {
-                $1.(*ast.StmtConstList).SemiColonTkn = $2
-                $1.(*ast.StmtConstList).Position = yylex.(*Parser).builder.NewNodeTokenPosition($1, $2)
-                $$ = $1
-            }
-;
-
-use_declarations:
-        use_declarations ',' use_declaration
-            {
-                $1.(*ParserSeparatedList).SeparatorTkns = append($1.(*ParserSeparatedList).SeparatorTkns, $2)
-                $1.(*ParserSeparatedList).Items = append($1.(*ParserSeparatedList).Items, $3)
-
-                $$ = $1
-            }
-    |   use_declaration
-            {
-                $$ = &ParserSeparatedList{
-                    Items: []ast.Vertex{$1},
-                }
-            }
-;
-
-use_declaration:
-        namespace_name
-            {
-                $$ = &ast.StmtUse{
-                    Position: yylex.(*Parser).builder.NewNodeListPosition($1.(*ParserSeparatedList).Items),
-                    Use: &ast.Name{
-                        Position: yylex.(*Parser).builder.NewNodeListPosition($1.(*ParserSeparatedList).Items),
-                        Parts:         $1.(*ParserSeparatedList).Items,
-                        SeparatorTkns: $1.(*ParserSeparatedList).SeparatorTkns,
-                    },
-                }
-            }
-    |   namespace_name T_AS T_STRING
-            {
-                $$ = &ast.StmtUse{
-                    Position: yylex.(*Parser).builder.NewNodeListTokenPosition($1.(*ParserSeparatedList).Items, $3),
-                    Use: &ast.Name{
-                        Position: yylex.(*Parser).builder.NewNodeListPosition($1.(*ParserSeparatedList).Items),
-                        Parts:         $1.(*ParserSeparatedList).Items,
-                        SeparatorTkns: $1.(*ParserSeparatedList).SeparatorTkns,
-                    },
-                    AsTkn: $2,
-                    Alias: &ast.Identifier{
-                        Position: yylex.(*Parser).builder.NewTokenPosition($3),
-                        IdentifierTkn: $3,
-                        Value:         $3.Value,
-                    },
-                }
-            }
-    |   T_NS_SEPARATOR namespace_name
-            {
-                $$ = &ast.StmtUse{
-                    Position: yylex.(*Parser).builder.NewTokenNodeListPosition($1, $2.(*ParserSeparatedList).Items),
-                    NsSeparatorTkn: $1,
-                    Use: &ast.Name{
-                        Position: yylex.(*Parser).builder.NewNodeListPosition($2.(*ParserSeparatedList).Items),
-                        Parts:         $2.(*ParserSeparatedList).Items,
-                        SeparatorTkns: $2.(*ParserSeparatedList).SeparatorTkns,
-                    },
-                }
-            }
-    |   T_NS_SEPARATOR namespace_name T_AS T_STRING
-            {
-                $$ = &ast.StmtUse{
-                    Position: yylex.(*Parser).builder.NewTokensPosition($1, $4),
-                    NsSeparatorTkn: $1,
-                    Use: &ast.Name{
-                        Position: yylex.(*Parser).builder.NewNodeListPosition($2.(*ParserSeparatedList).Items),
-                        Parts:         $2.(*ParserSeparatedList).Items,
-                        SeparatorTkns: $2.(*ParserSeparatedList).SeparatorTkns,
-                    },
-                    AsTkn: $3,
-                    Alias: &ast.Identifier{
-                        Position: yylex.(*Parser).builder.NewTokenPosition($4),
-                        IdentifierTkn: $4,
-                        Value:         $4.Value,
-                    },
-                }
-            }
-;
-
-use_function_declarations:
-        use_function_declarations ',' use_function_declaration
-            {
-                $1.(*ParserSeparatedList).SeparatorTkns = append($1.(*ParserSeparatedList).SeparatorTkns, $2)
-                $1.(*ParserSeparatedList).Items = append($1.(*ParserSeparatedList).Items, $3)
-
-                $$ = $1
-            }
-    |   use_function_declaration
-            {
-                $$ = &ParserSeparatedList{
-                    Items: []ast.Vertex{$1},
-                }
-            }
-;
-
-use_function_declaration:
-        namespace_name
-            {
-                $$ = &ast.StmtUse{
-                    Position: yylex.(*Parser).builder.NewNodeListPosition($1.(*ParserSeparatedList).Items),
-                    Use: &ast.Name{
-                        Position: yylex.(*Parser).builder.NewNodeListPosition($1.(*ParserSeparatedList).Items),
-                        Parts:         $1.(*ParserSeparatedList).Items,
-                        SeparatorTkns: $1.(*ParserSeparatedList).SeparatorTkns,
-                    },
-                }
-            }
-    |   namespace_name T_AS T_STRING
-            {
-                $$ = &ast.StmtUse{
-                    Position: yylex.(*Parser).builder.NewNodeListTokenPosition($1.(*ParserSeparatedList).Items, $3),
-                    Use: &ast.Name{
-                        Position: yylex.(*Parser).builder.NewNodeListPosition($1.(*ParserSeparatedList).Items),
-                        Parts:         $1.(*ParserSeparatedList).Items,
-                        SeparatorTkns: $1.(*ParserSeparatedList).SeparatorTkns,
-                    },
-                    AsTkn: $2,
-                    Alias: &ast.Identifier{
-                        Position: yylex.(*Parser).builder.NewTokenPosition($3),
-                        IdentifierTkn: $3,
-                        Value:         $3.Value,
-                    },
-                }
-            }
-    |   T_NS_SEPARATOR namespace_name
-            {
-                $$ = &ast.StmtUse{
-                    Position: yylex.(*Parser).builder.NewTokenNodeListPosition($1, $2.(*ParserSeparatedList).Items),
-                    NsSeparatorTkn: $1,
-                    Use: &ast.Name{
-                        Position: yylex.(*Parser).builder.NewNodeListPosition($2.(*ParserSeparatedList).Items),
-                        Parts:         $2.(*ParserSeparatedList).Items,
-                        SeparatorTkns: $2.(*ParserSeparatedList).SeparatorTkns,
-                    },
-                }
-            }
-    |   T_NS_SEPARATOR namespace_name T_AS T_STRING
-            {
-                $$ = &ast.StmtUse{
-                    Position: yylex.(*Parser).builder.NewTokensPosition($1, $4),
-                    NsSeparatorTkn: $1,
-                    Use: &ast.Name{
-                        Position: yylex.(*Parser).builder.NewNodeListPosition($2.(*ParserSeparatedList).Items),
-                        Parts:         $2.(*ParserSeparatedList).Items,
-                        SeparatorTkns: $2.(*ParserSeparatedList).SeparatorTkns,
-                    },
-                    AsTkn: $3,
-                    Alias: &ast.Identifier{
-                        Position: yylex.(*Parser).builder.NewTokenPosition($4),
-                        IdentifierTkn: $4,
-                        Value:         $4.Value,
-                    },
-                }
-            }
-;
-
-use_const_declarations:
-        use_const_declarations ',' use_const_declaration
-            {
-                $1.(*ParserSeparatedList).SeparatorTkns = append($1.(*ParserSeparatedList).SeparatorTkns, $2)
-                $1.(*ParserSeparatedList).Items = append($1.(*ParserSeparatedList).Items, $3)
-
-                $$ = $1
-            }
-    |   use_const_declaration
-            {
-                $$ = &ParserSeparatedList{
-                    Items: []ast.Vertex{$1},
-                }
-            }
-;
-
-use_const_declaration:
-        namespace_name
-            {
-                $$ = &ast.StmtUse{
-                    Position: yylex.(*Parser).builder.NewNodeListPosition($1.(*ParserSeparatedList).Items),
-                    Use: &ast.Name{
-                        Position: yylex.(*Parser).builder.NewNodeListPosition($1.(*ParserSeparatedList).Items),
-                        Parts:         $1.(*ParserSeparatedList).Items,
-                        SeparatorTkns: $1.(*ParserSeparatedList).SeparatorTkns,
-                    },
-                }
-            }
-    |   namespace_name T_AS T_STRING
-            {
-                $$ = &ast.StmtUse{
-                    Position: yylex.(*Parser).builder.NewNodeListTokenPosition($1.(*ParserSeparatedList).Items, $3),
-                    Use: &ast.Name{
-                        Position: yylex.(*Parser).builder.NewNodeListPosition($1.(*ParserSeparatedList).Items),
-                        Parts:         $1.(*ParserSeparatedList).Items,
-                        SeparatorTkns: $1.(*ParserSeparatedList).SeparatorTkns,
-                    },
-                    AsTkn: $2,
-                    Alias: &ast.Identifier{
-                        Position: yylex.(*Parser).builder.NewTokenPosition($3),
-                        IdentifierTkn: $3,
-                        Value:         $3.Value,
-                    },
-                }
-            }
-    |   T_NS_SEPARATOR namespace_name
-            {
-                $$ = &ast.StmtUse{
-                    Position: yylex.(*Parser).builder.NewTokenNodeListPosition($1, $2.(*ParserSeparatedList).Items),
-                    NsSeparatorTkn: $1,
-                    Use: &ast.Name{
-                        Position: yylex.(*Parser).builder.NewNodeListPosition($2.(*ParserSeparatedList).Items),
-                        Parts:         $2.(*ParserSeparatedList).Items,
-                        SeparatorTkns: $2.(*ParserSeparatedList).SeparatorTkns,
-                    },
-                }
-            }
-    |   T_NS_SEPARATOR namespace_name T_AS T_STRING
-            {
-                $$ = &ast.StmtUse{
-                    Position: yylex.(*Parser).builder.NewTokensPosition($1, $4),
-                    NsSeparatorTkn: $1,
-                    Use: &ast.Name{
-                        Position: yylex.(*Parser).builder.NewNodeListPosition($2.(*ParserSeparatedList).Items),
-                        Parts:         $2.(*ParserSeparatedList).Items,
-                        SeparatorTkns: $2.(*ParserSeparatedList).SeparatorTkns,
-                    },
-                    AsTkn: $3,
-                    Alias: &ast.Identifier{
-                        Position: yylex.(*Parser).builder.NewTokenPosition($4),
-                        IdentifierTkn: $4,
-                        Value:         $4.Value,
-                    },
-                }
-            }
-;
-
-constant_declaration:
-        constant_declaration ',' T_STRING '=' static_scalar
-            {
-                constList := $1.(*ast.StmtConstList)
-                constList.Position = yylex.(*Parser).builder.NewNodesPosition($1, $5)
-                constList.SeparatorTkns = append(constList.SeparatorTkns, $2)
-                constList.Consts = append(constList.Consts, &ast.StmtConstant{
-                    Position: yylex.(*Parser).builder.NewTokenNodePosition($3, $5),
-                    Name: &ast.Identifier{
-                        Position: yylex.(*Parser).builder.NewTokenPosition($3),
-                        IdentifierTkn: $3,
-                        Value:         $3.Value,
-                    },
-                    EqualTkn: $4,
-                    Expr:     $5,
-                })
-
-                $$ = $1
-            }
-    |   T_CONST T_STRING '=' static_scalar
-            {
-                $$ = &ast.StmtConstList{
-                    Position: yylex.(*Parser).builder.NewTokenNodePosition($1, $4),
-                    ConstTkn: $1,
-                    Consts: []ast.Vertex{
-                        &ast.StmtConstant{
-                            Position: yylex.(*Parser).builder.NewTokenNodePosition($2, $4),
-                            Name: &ast.Identifier{
-                                Position: yylex.(*Parser).builder.NewTokenPosition($2),
-                                IdentifierTkn: $2,
-                                Value:         $2.Value,
-                            },
-                            EqualTkn: $3,
-                            Expr:     $4,
-                        },
-                    },
-                }
-            }
-;
-
-inner_statement_list:
-        inner_statement_list inner_statement
-            {
-                if $2 != nil {
-                    $$ = append($1, $2)
-                }
-            }
-    |   /* empty */
-            {
-                $$ = []ast.Vertex{}
-            }
-;
-
-
-inner_statement:
-        error
-            {
-                // error
-                $$ = nil
-            }
-    |   statement
-            {
-                $$ = $1
-            }
-    |   function_declaration_statement
-            {
-                $$ = $1
-            }
-    |   class_declaration_statement
-            {
-                $$ = $1
-            }
-    |   T_HALT_COMPILER '(' ')' ';'
-            {
-                $$ = &ast.StmtHaltCompiler{
-                    Position: yylex.(*Parser).builder.NewTokensPosition($1, $4),
-                    HaltCompilerTkn:     $1,
-                    OpenParenthesisTkn:  $2,
-                    CloseParenthesisTkn: $3,
-                    SemiColonTkn:        $4,
-                }
-            }
-;
-
-
-statement:
-        unticked_statement
-            {
-                $$ = $1
-            }
-    |   T_STRING ':'
-            {
-                $$ = &ast.StmtLabel{
-                    Position: yylex.(*Parser).builder.NewTokensPosition($1, $2),
-                    Name: &ast.Identifier{
-                        Position: yylex.(*Parser).builder.NewTokenPosition($1),
-                        IdentifierTkn: $1,
-                        Value:         $1.Value,
-                    },
-                    ColonTkn:  $2,
-                }
-            }
-;
-
-unticked_statement:
-        '{' inner_statement_list '}'
-            {
-                $$ = &ast.StmtStmtList{
-                    Position: yylex.(*Parser).builder.NewTokensPosition($1, $3),
-                    OpenCurlyBracketTkn:  $1,
-                    Stmts:                $2,
-                    CloseCurlyBracketTkn: $3,
-                }
-            }
-    |   T_IF parenthesis_expr statement elseif_list else_single
-            {
-                pos := yylex.(*Parser).builder.NewTokenNodePosition($1, $3)
-                if $5 != nil {
-                    pos = yylex.(*Parser).builder.NewTokenNodePosition($1, $5)
-                } else if len($4) > 0 {
-                    pos = yylex.(*Parser).builder.NewTokenNodeListPosition($1, $4)
-                }
-
-                $$ = &ast.StmtIf{
-                    Position: pos,
-                    IfTkn:               $1,
-                    OpenParenthesisTkn:  $2.(*ast.ExprBrackets).OpenParenthesisTkn,
-                    Cond:                $2.(*ast.ExprBrackets).Expr,
-                    CloseParenthesisTkn: $2.(*ast.ExprBrackets).CloseParenthesisTkn,
-                    Stmt:                $3,
-                    ElseIf:              $4,
-                    Else:                $5,
-                }
-            }
-    |   T_IF parenthesis_expr ':' inner_statement_list new_elseif_list new_else_single T_ENDIF ';'
-            {
-                $$ = &ast.StmtIf{
-                    Position: yylex.(*Parser).builder.NewTokensPosition($1, $8),
-                    IfTkn:               $1,
-                    OpenParenthesisTkn:  $2.(*ast.ExprBrackets).OpenParenthesisTkn,
-                    Cond:                $2.(*ast.ExprBrackets).Expr,
-                    CloseParenthesisTkn: $2.(*ast.ExprBrackets).CloseParenthesisTkn,
-                    ColonTkn:            $3,
-                    Stmt: &ast.StmtStmtList{
-                        Position: yylex.(*Parser).builder.NewNodeListPosition($4),
-                        Stmts: $4,
-                    },
-                    ElseIf:       $5,
-                    Else:         $6,
-                    EndIfTkn:     $7,
-                    SemiColonTkn: $8,
-                }
-            }
-    |   T_WHILE parenthesis_expr while_statement
-            {
-                $3.(*ast.StmtWhile).WhileTkn = $1
-                $3.(*ast.StmtWhile).OpenParenthesisTkn = $2.(*ast.ExprBrackets).OpenParenthesisTkn
-                $3.(*ast.StmtWhile).Cond = $2.(*ast.ExprBrackets).Expr
-                $3.(*ast.StmtWhile).CloseParenthesisTkn = $2.(*ast.ExprBrackets).CloseParenthesisTkn
-                $3.(*ast.StmtWhile).Position = yylex.(*Parser).builder.NewTokenNodePosition($1, $3)
-
-                $$ = $3
-            }
-    |   T_DO statement T_WHILE parenthesis_expr ';'
-            {
-                $$ = &ast.StmtDo{
-                    Position: yylex.(*Parser).builder.NewTokensPosition($1, $5),
-                    DoTkn:               $1,
-                    Stmt:                $2,
-                    WhileTkn:            $3,
-                    OpenParenthesisTkn:  $4.(*ast.ExprBrackets).OpenParenthesisTkn,
-                    Cond:                $4.(*ast.ExprBrackets).Expr,
-                    CloseParenthesisTkn: $4.(*ast.ExprBrackets).CloseParenthesisTkn,
-                    SemiColonTkn:        $5,
-                }
-            }
-    |   T_FOR '(' for_expr ';' for_expr ';' for_expr ')' for_statement
-            {
-                $9.(*ast.StmtFor).ForTkn = $1
-                $9.(*ast.StmtFor).OpenParenthesisTkn = $2
-                $9.(*ast.StmtFor).Init = $3.(*ParserSeparatedList).Items
-                $9.(*ast.StmtFor).InitSeparatorTkns = $3.(*ParserSeparatedList).SeparatorTkns
-                $9.(*ast.StmtFor).InitSemiColonTkn = $4
-                $9.(*ast.StmtFor).Cond = $5.(*ParserSeparatedList).Items
-                $9.(*ast.StmtFor).CondSeparatorTkns = $5.(*ParserSeparatedList).SeparatorTkns
-                $9.(*ast.StmtFor).CondSemiColonTkn = $6
-                $9.(*ast.StmtFor).Loop = $7.(*ParserSeparatedList).Items
-                $9.(*ast.StmtFor).LoopSeparatorTkns = $7.(*ParserSeparatedList).SeparatorTkns
-                $9.(*ast.StmtFor).CloseParenthesisTkn = $8
-                $9.(*ast.StmtFor).Position = yylex.(*Parser).builder.NewTokenNodePosition($1, $9)
-
-                $$ = $9
-            }
-    |   T_SWITCH parenthesis_expr switch_case_list
-            {
-                $3.(*ast.StmtSwitch).SwitchTkn = $1
-                $3.(*ast.StmtSwitch).OpenParenthesisTkn = $2.(*ast.ExprBrackets).OpenParenthesisTkn
-                $3.(*ast.StmtSwitch).Cond = $2.(*ast.ExprBrackets).Expr
-                $3.(*ast.StmtSwitch).CloseParenthesisTkn = $2.(*ast.ExprBrackets).CloseParenthesisTkn
-                $3.(*ast.StmtSwitch).Position = yylex.(*Parser).builder.NewTokenNodePosition($1, $3)
-
-                $$ = $3
-            }
-    |   T_BREAK ';'
-            {
-                $$ = &ast.StmtBreak{
-                    Position: yylex.(*Parser).builder.NewTokensPosition($1, $2),
-                    BreakTkn:     $1,
-                    SemiColonTkn: $2,
-                }
-            }
-    |   T_BREAK expr ';'
-            {
-                $$ = &ast.StmtBreak{
-                    Position: yylex.(*Parser).builder.NewTokensPosition($1, $3),
-                    BreakTkn:     $1,
-                    Expr:         $2,
-                    SemiColonTkn: $3,
-                }
-            }
-    |   T_CONTINUE ';'
-            {
-                $$ = &ast.StmtContinue{
-                    Position: yylex.(*Parser).builder.NewTokensPosition($1, $2),
-                    ContinueTkn:  $1,
-                    SemiColonTkn: $2,
-                }
-            }
-    |   T_CONTINUE expr ';'
-            {
-                $$ = &ast.StmtContinue{
-                    Position: yylex.(*Parser).builder.NewTokensPosition($1, $3),
-                    ContinueTkn:  $1,
-                    Expr:         $2,
-                    SemiColonTkn: $3,
-                }
-            }
-    |   T_RETURN ';'
-            {
-                $$ = &ast.StmtReturn{
-                    Position: yylex.(*Parser).builder.NewTokensPosition($1, $2),
-                    ReturnTkn:    $1,
-                    SemiColonTkn: $2,
-                }
-            }
-    |   T_RETURN expr_without_variable ';'
-            {
-                $$ = &ast.StmtReturn{
-                    Position: yylex.(*Parser).builder.NewTokensPosition($1, $3),
-                    ReturnTkn:    $1,
-                    Expr:         $2,
-                    SemiColonTkn: $3,
-                }
-            }
-    |   T_RETURN variable ';'
-            {
-                $$ = &ast.StmtReturn{
-                    Position: yylex.(*Parser).builder.NewTokensPosition($1, $3),
-                    ReturnTkn:    $1,
-                    Expr:         $2,
-                    SemiColonTkn: $3,
-                }
-            }
-    |   yield_expr ';'
-            {
-                $$ = &ast.StmtExpression{
-                    Position: yylex.(*Parser).builder.NewNodeTokenPosition($1, $2),
-                    Expr:         $1,
-                    SemiColonTkn: $2,
-                }
-            }
-    |   T_GLOBAL global_var_list ';'
-            {
-                $2.(*ast.StmtGlobal).GlobalTkn = $1
-                $2.(*ast.StmtGlobal).SemiColonTkn = $3
-                $2.(*ast.StmtGlobal).Position = yylex.(*Parser).builder.NewTokensPosition($1, $3)
-
-                $$ = $2
-            }
-    |   T_STATIC static_var_list ';'
-            {
-                $2.(*ast.StmtStatic).StaticTkn = $1
-                $2.(*ast.StmtStatic).SemiColonTkn = $3
-                $2.(*ast.StmtStatic).Position = yylex.(*Parser).builder.NewTokensPosition($1, $3)
-
-                $$ = $2
-            }
-    |   T_ECHO echo_expr_list ';'
-            {
-                $2.(*ast.StmtEcho).EchoTkn = $1
-                $2.(*ast.StmtEcho).SemiColonTkn = $3
-                $2.(*ast.StmtEcho).Position = yylex.(*Parser).builder.NewTokensPosition($1, $3)
-
-                $$ = $2
-            }
-    |   T_INLINE_HTML
-            {
-                $$ = &ast.StmtInlineHtml{
-                    Position: yylex.(*Parser).builder.NewTokenPosition($1),
-                    InlineHtmlTkn: $1,
-                    Value:         $1.Value,
-                }
-            }
-    |   expr ';'
-            {
-                $$ = &ast.StmtExpression{
-                    Position: yylex.(*Parser).builder.NewNodeTokenPosition($1, $2),
-                    Expr:         $1,
-                    SemiColonTkn: $2,
-                }
-            }
-    |   T_UNSET '(' unset_variables ')' ';'
-            {
-                $3.(*ast.StmtUnset).UnsetTkn = $1
-                $3.(*ast.StmtUnset).OpenParenthesisTkn = $2
-                $3.(*ast.StmtUnset).CloseParenthesisTkn = $4
-                $3.(*ast.StmtUnset).SemiColonTkn = $5
-                $3.(*ast.StmtUnset).Position = yylex.(*Parser).builder.NewTokensPosition($1, $5)
-
-                $$ = $3
-            }
-    |   T_FOREACH '(' variable T_AS foreach_variable foreach_optional_arg ')' foreach_statement
-            {
-                foreach := $8.(*ast.StmtForeach)
-
-                foreach.Position = yylex.(*Parser).builder.NewTokenNodePosition($1, $8)
-                foreach.ForeachTkn = $1
-                foreach.OpenParenthesisTkn = $2
-                foreach.Expr = $3
-                foreach.AsTkn = $4
-                foreach.Var = $5
-                foreach.CloseParenthesisTkn = $7
-
-                if $6 != nil {
-                    foreach.Key = foreach.Var
-                    foreach.DoubleArrowTkn = $6.(*ast.StmtForeach).DoubleArrowTkn
-                    foreach.Var = $6.(*ast.StmtForeach).Var
-                }
-
-                if val, ok := foreach.Key.(*ast.StmtForeach); ok {
-                    yylex.(*Parser).errHandlerFunc(errors.NewError("Key element cannot be a reference", val.AmpersandTkn.Position))
-                    foreach.Key = val.Var
-                }
-
-                if val, ok := foreach.Var.(*ast.StmtForeach); ok {
-                    foreach.AmpersandTkn    = val.AmpersandTkn
-                    foreach.Var             = val.Var
-                }
-
-                $$ = foreach
-            }
-    |   T_FOREACH '(' expr_without_variable T_AS foreach_variable foreach_optional_arg ')' foreach_statement
-            {
-                foreach := $8.(*ast.StmtForeach)
-
-                foreach.Position = yylex.(*Parser).builder.NewTokenNodePosition($1, $8)
-                foreach.ForeachTkn = $1
-                foreach.OpenParenthesisTkn = $2
-                foreach.Expr = $3
-                foreach.AsTkn = $4
-                foreach.Var = $5
-                foreach.CloseParenthesisTkn = $7
-
-                if $6 != nil {
-                    foreach.Key = foreach.Var
-                    foreach.DoubleArrowTkn = $6.(*ast.StmtForeach).DoubleArrowTkn
-                    foreach.Var = $6.(*ast.StmtForeach).Var
-                }
-
-                if val, ok := foreach.Key.(*ast.StmtForeach); ok {
-                    yylex.(*Parser).errHandlerFunc(errors.NewError("Key element cannot be a reference", val.AmpersandTkn.Position))
-                    foreach.Key = val.Var
-                }
-
-                if val, ok := foreach.Var.(*ast.StmtForeach); ok {
-                    foreach.AmpersandTkn    = val.AmpersandTkn
-                    foreach.Var             = val.Var
-                }
-
-                $$ = foreach
-            }
-    |   T_DECLARE '(' declare_list ')' declare_statement
-            {
-                $5.(*ast.StmtDeclare).DeclareTkn = $1
-                $5.(*ast.StmtDeclare).OpenParenthesisTkn = $2
-                $5.(*ast.StmtDeclare).Consts = $3.(*ParserSeparatedList).Items
-                $5.(*ast.StmtDeclare).SeparatorTkns = $3.(*ParserSeparatedList).SeparatorTkns
-                $5.(*ast.StmtDeclare).CloseParenthesisTkn = $4
-                $5.(*ast.StmtDeclare).Position = yylex.(*Parser).builder.NewTokenNodePosition($1, $5)
-
-                $$ = $5
-            }
-    |   ';'
-            {
-                $$ = &ast.StmtNop{
-                    Position: yylex.(*Parser).builder.NewTokenPosition($1),
-                    SemiColonTkn: $1,
-                }
-            }
-    |   T_TRY '{' inner_statement_list '}' catch_statement finally_statement
-            {
-                pos := yylex.(*Parser).builder.NewTokenNodeListPosition($1, $5)
-                if $6 != nil {
-                    pos = yylex.(*Parser).builder.NewTokenNodePosition($1, $6)
-                }
-
-                $$ = &ast.StmtTry{
-                    Position: pos,
-                    TryTkn:               $1,
-                    OpenCurlyBracketTkn:  $2,
-                    Stmts:                $3,
-                    CloseCurlyBracketTkn: $4,
-                    Catches:              $5,
-                    Finally:              $6,
-                }
-            }
-    |   T_THROW expr ';'
-            {
-                $$ = &ast.StmtThrow{
-                    Position: yylex.(*Parser).builder.NewTokensPosition($1, $3),
-                    ThrowTkn:     $1,
-                    Expr:         $2,
-                    SemiColonTkn: $3,
-                }
-            }
-    |   T_GOTO T_STRING ';'
-            {
-                $$ = &ast.StmtGoto{
-                    Position: yylex.(*Parser).builder.NewTokensPosition($1, $3),
-                    GotoTkn: $1,
-                    Label: &ast.Identifier{
-                        Position: yylex.(*Parser).builder.NewTokenPosition($1),
-                        IdentifierTkn: $2,
-                        Value:         $2.Value,
-                    },
-                    SemiColonTkn: $3,
-                }
-            }
-;
-
-catch_statement:
-        /* empty */
-            {
-                $$ = []ast.Vertex{}
-            }
-    |   T_CATCH '(' fully_qualified_class_name T_VARIABLE ')' '{' inner_statement_list '}' additional_catches
-            {
-                catch := &ast.StmtCatch{
-                    Position: yylex.(*Parser).builder.NewTokensPosition($1, $8),
-                    CatchTkn:           $1,
-                    OpenParenthesisTkn: $2,
-                    Types:              []ast.Vertex{$3},
-                    Var: &ast.ExprVariable{
-                        Position: yylex.(*Parser).builder.NewTokenPosition($4),
-                        Name: &ast.Identifier{
-                            Position: yylex.(*Parser).builder.NewTokenPosition($4),
-                            IdentifierTkn: $4,
-                            Value:         $4.Value,
-                        },
-                    },
-                    CloseParenthesisTkn:  $5,
-                    OpenCurlyBracketTkn:  $6,
-                    Stmts:                $7,
-                    CloseCurlyBracketTkn: $8,
-                }
-                $$ = append([]ast.Vertex{catch}, $9...)
-            }
-;
-
-finally_statement:
-        /* empty */
-            {
-                $$ = nil
-            }
-    |   T_FINALLY '{' inner_statement_list '}'
-            {
-                $$ = &ast.StmtFinally{
-                    Position: yylex.(*Parser).builder.NewTokensPosition($1, $4),
-                    FinallyTkn:           $1,
-                    OpenCurlyBracketTkn:  $2,
-                    Stmts:                $3,
-                    CloseCurlyBracketTkn: $4,
-                }
-            }
-;
-
-additional_catches:
-        non_empty_additional_catches
-            {
-                $$ = $1
-            }
-    |   /* empty */
-            {
-                $$ = []ast.Vertex{}
-            }
-;
-
-non_empty_additional_catches:
-        additional_catch
-            {
-                $$ = []ast.Vertex{$1}
-            }
-    |   non_empty_additional_catches additional_catch
-            {
-                $$ = append($1, $2)
-            }
-;
-
-additional_catch:
-        T_CATCH '(' fully_qualified_class_name T_VARIABLE ')' '{' inner_statement_list '}'
-            {
-                $$ = &ast.StmtCatch{
-                    Position: yylex.(*Parser).builder.NewTokensPosition($1, $8),
-                    CatchTkn:           $1,
-                    OpenParenthesisTkn: $2,
-                    Types:              []ast.Vertex{$3},
-                    Var: &ast.ExprVariable{
-                        Position: yylex.(*Parser).builder.NewTokenPosition($4),
-                        Name: &ast.Identifier{
-                            Position: yylex.(*Parser).builder.NewTokenPosition($4),
-                            IdentifierTkn: $4,
-                            Value:         $4.Value,
-                        },
-                    },
-                    CloseParenthesisTkn:  $5,
-                    OpenCurlyBracketTkn:  $6,
-                    Stmts:                $7,
-                    CloseCurlyBracketTkn: $8,
-                }
-            }
-;
-
-unset_variables:
-        unset_variable
-            {
-                $$ = &ast.StmtUnset{
-                    Vars: []ast.Vertex{$1},
-                }
-            }
-    |   unset_variables ',' unset_variable
-            {
-                $1.(*ast.StmtUnset).Vars = append($1.(*ast.StmtUnset).Vars, $3)
-                $1.(*ast.StmtUnset).SeparatorTkns = append($1.(*ast.StmtUnset).SeparatorTkns, $2)
-
-                $$ = $1
-            }
-;
-
-unset_variable:
-        variable
-            {
-                $$ = $1
-            }
-;
-
-function_declaration_statement:
-        unticked_function_declaration_statement
-            {
-                $$ = $1
-            }
-;
-
-class_declaration_statement:
-        unticked_class_declaration_statement
-            {
-                $$ = $1
-            }
-;
-
-is_reference:
-        /* empty */
-            {
-                $$ = nil
-            }
-    |   '&'
-            {
-                $$ = $1
-            }
-;
-
-is_variadic:
-        /* empty */
-            {
-                $$ = nil
-            }
-    |   T_ELLIPSIS
-            {
-                $$ = $1
-            }
-;
-
-unticked_function_declaration_statement:
-        function is_reference T_STRING '(' parameter_list ')' '{' inner_statement_list '}'
-            {
-                $$ = &ast.StmtFunction{
-                    Position: yylex.(*Parser).builder.NewTokensPosition($1, $9),
-                    FunctionTkn:  $1,
-                    AmpersandTkn: $2,
-                    Name: &ast.Identifier{
-                        Position: yylex.(*Parser).builder.NewTokenPosition($3),
-                        IdentifierTkn: $3,
-                        Value:         $3.Value,
-                    },
-                    OpenParenthesisTkn:   $4,
-                    Params:               $5.(*ParserSeparatedList).Items,
-                    SeparatorTkns:        $5.(*ParserSeparatedList).SeparatorTkns,
-                    CloseParenthesisTkn:  $6,
-                    OpenCurlyBracketTkn:  $7,
-                    Stmts:                $8,
-                    CloseCurlyBracketTkn: $9,
-                }
-            }
-;
-
-unticked_class_declaration_statement:
-        class_entry_type T_STRING extends_from implements_list '{' class_statement_list '}'
-            {
-                switch n := $1.(type) {
-                    case *ast.StmtClass :
-                        className := &ast.Identifier{
-                            Position:      yylex.(*Parser).builder.NewTokenPosition($2),
-                            IdentifierTkn: $2,
-                            Value:         $2.Value,
-                        }
-
-                        n.Position             = yylex.(*Parser).builder.NewNodeTokenPosition($1, $7)
-                        n.Name                 = className
-                        n.OpenCurlyBracketTkn  = $5
-                        n.Stmts                = $6
-                        n.CloseCurlyBracketTkn = $7
-
-                        if $3 != nil {
-                            n.ExtendsTkn = $3.(*ast.StmtClass).ExtendsTkn
-                            n.Extends    = $3.(*ast.StmtClass).Extends
-                        }
-
-                        if $4 != nil {
-                            n.ImplementsTkn           = $4.(*ast.StmtClass).ImplementsTkn
-                            n.Implements              = $4.(*ast.StmtClass).Implements
-                            n.ImplementsSeparatorTkns = $4.(*ast.StmtClass).ImplementsSeparatorTkns
-                        }
-                    case *ast.StmtTrait :
-                        traitName := &ast.Identifier{
-                            Position:      yylex.(*Parser).builder.NewTokenPosition($2),
-                            IdentifierTkn: $2,
-                            Value:         $2.Value,
-                        }
-
-                        n.Position             = yylex.(*Parser).builder.NewNodeTokenPosition($1, $7)
-                        n.Name                 = traitName
-                        n.OpenCurlyBracketTkn  = $5
-                        n.Stmts                = $6
-                        n.CloseCurlyBracketTkn = $7
-
-                        if $3 != nil {
-                            yylex.(*Parser).errHandlerFunc(errors.NewError("A trait cannot extend a class. Traits can only be composed from other traits with the 'use' keyword", $3.(*ast.StmtClass).Position))
-                        }
-
-                        if $4 != nil {
-                            yylex.(*Parser).errHandlerFunc(errors.NewError("A trait cannot implement an interface", $4.(*ast.StmtClass).Position))
-                        }
-                }
-
-                $$ = $1
-            }
-    |   interface_entry T_STRING interface_extends_list '{' class_statement_list '}'
-            {
-                iface := &ast.StmtInterface{
-                    Position: yylex.(*Parser).builder.NewTokensPosition($1, $6),
-                    InterfaceTkn: $1,
-                    Name: &ast.Identifier{
-                        Position: yylex.(*Parser).builder.NewTokenPosition($2),
-                        IdentifierTkn: $2,
-                        Value:         $2.Value,
-                    },
-                    OpenCurlyBracketTkn:  $4,
-                    Stmts:                $5,
-                    CloseCurlyBracketTkn: $6,
-                }
-
-                if $3 != nil {
-                    iface.ExtendsTkn           = $3.(*ast.StmtInterface).ExtendsTkn
-                    iface.Extends              = $3.(*ast.StmtInterface).Extends
-                    iface.ExtendsSeparatorTkns = $3.(*ast.StmtInterface).ExtendsSeparatorTkns
-                }
-
-                $$ = iface
-            }
-;
-
-
-class_entry_type:
-        T_CLASS
-            {
-                $$ = &ast.StmtClass{
-                    Position: yylex.(*Parser).builder.NewTokenPosition($1),
-                    ClassTkn: $1,
-                }
-            }
-    |   T_ABSTRACT T_CLASS
-            {
-                $$ = &ast.StmtClass{
-                    Position: yylex.(*Parser).builder.NewTokensPosition($1, $2),
-                    Modifiers: []ast.Vertex{
-                        &ast.Identifier{
-                            Position: yylex.(*Parser).builder.NewTokenPosition($1),
-                            IdentifierTkn: $1,
-                            Value:         $1.Value,
-                        },
-                    },
-                    ClassTkn: $2,
-                }
-            }
-    |   T_TRAIT
-            {
-                $$ = &ast.StmtTrait{
-                    Position: yylex.(*Parser).builder.NewTokenPosition($1),
-                    TraitTkn: $1,
-                }
-            }
-    |   T_FINAL T_CLASS
-            {
-                $$ = &ast.StmtClass{
-                    Position: yylex.(*Parser).builder.NewTokensPosition($1, $2),
-                    Modifiers: []ast.Vertex{
-                        &ast.Identifier{
-                            Position: yylex.(*Parser).builder.NewTokenPosition($1),
-                            IdentifierTkn: $1,
-                            Value:         $1.Value,
-                        },
-                    },
-                    ClassTkn: $2,
-                }
-            }
-;
-
-extends_from:
-        /* empty */
-            {
-                $$ = nil
-            }
-    |   T_EXTENDS fully_qualified_class_name
-            {
-                $$ = &ast.StmtClass{
-                    Position:   yylex.(*Parser).builder.NewTokenNodePosition($1, $2),
-                    ExtendsTkn: $1,
-                    Extends:    $2,
-                }
-            }
-;
-
-interface_entry:
-        T_INTERFACE
-            {
-                $$ = $1
-            }
-;
-
-interface_extends_list:
-        /* empty */
-            {
-                $$ = nil
-            }
-    |   T_EXTENDS interface_list
-            {
-                $$ = &ast.StmtInterface{
-                    Position:             yylex.(*Parser).builder.NewTokenNodeListPosition($1, $2.(*ParserSeparatedList).Items),
-                    ExtendsTkn:           $1,
-                    Extends:              $2.(*ParserSeparatedList).Items,
-                    ExtendsSeparatorTkns: $2.(*ParserSeparatedList).SeparatorTkns,
-                };
-            }
-;
-
-implements_list:
-        /* empty */
-            {
-                $$ = nil
-            }
-    |   T_IMPLEMENTS interface_list
-            {
-                $$ = &ast.StmtClass{
-                    Position:                yylex.(*Parser).builder.NewTokenNodeListPosition($1, $2.(*ParserSeparatedList).Items),
-                    ImplementsTkn:           $1,
-                    Implements:              $2.(*ParserSeparatedList).Items,
-                    ImplementsSeparatorTkns: $2.(*ParserSeparatedList).SeparatorTkns,
-                };
-            }
-;
-
-interface_list:
-        fully_qualified_class_name
-            {
-                $$ = &ParserSeparatedList{
-                    Items: []ast.Vertex{$1},
-                }
-            }
-    |   interface_list ',' fully_qualified_class_name
-            {
-                $1.(*ParserSeparatedList).SeparatorTkns = append($1.(*ParserSeparatedList).SeparatorTkns, $2)
-                $1.(*ParserSeparatedList).Items = append($1.(*ParserSeparatedList).Items, $3)
-
-                $$ = $1
-            }
-;
-
-foreach_optional_arg:
-        /* empty */
-            {
-                $$ = nil
-            }
-    |   T_DOUBLE_ARROW foreach_variable
-            {
-                $$ = &ast.StmtForeach{
-                    DoubleArrowTkn: $1,
-                    Var:            $2,
-                }
-            }
-;
-
-foreach_variable:
-        variable
-            {
-                $$ = $1
-            }
-    |   '&' variable
-            {
-                $$ = &ast.StmtForeach{
-                    Position: yylex.(*Parser).builder.NewTokenNodePosition($1, $2),
-                    AmpersandTkn: $1,
-                    Var:          $2,
-                }
-            }
-    |   T_LIST '(' assignment_list ')'
-            {
-                pairList := $3.(*ParserSeparatedList)
-                fistPair := pairList.Items[0].(*ast.ExprArrayItem)
-
-                if fistPair.Key == nil && fistPair.Val == nil && len(pairList.Items) == 1 {
-                    pairList.Items = nil
-                }
-
-                $$ = &ast.ExprList{
-                    Position: yylex.(*Parser).builder.NewTokensPosition($1, $4),
-                    ListTkn:         $1,
-                    OpenBracketTkn:  $2,
-                    Items:           $3.(*ParserSeparatedList).Items,
-                    SeparatorTkns:   $3.(*ParserSeparatedList).SeparatorTkns,
-                    CloseBracketTkn: $4,
-                }
-            }
-;
-
-for_statement:
-        statement
-            {
-                $$ = &ast.StmtFor{
-                    Position: yylex.(*Parser).builder.NewNodePosition($1),
-                    Stmt: $1,
-                }
-            }
-    |   ':' inner_statement_list T_ENDFOR ';'
-            {
-                $$ = &ast.StmtFor{
-                    Position: yylex.(*Parser).builder.NewTokensPosition($1, $4),
-                    ColonTkn: $1,
-                    Stmt: &ast.StmtStmtList{
-                        Position: yylex.(*Parser).builder.NewNodeListPosition($2),
-                        Stmts: $2,
-                    },
-                    EndForTkn:    $3,
-                    SemiColonTkn: $4,
-                }
-            }
-;
-
-foreach_statement:
-        statement
-            {
-                $$ = &ast.StmtForeach{
-                    Position: yylex.(*Parser).builder.NewNodePosition($1),
-                    Stmt: $1,
-                }
-            }
-    |   ':' inner_statement_list T_ENDFOREACH ';'
-            {
-                $$ = &ast.StmtForeach{
-                    Position: yylex.(*Parser).builder.NewTokensPosition($1, $4),
-                    ColonTkn: $1,
-                    Stmt: &ast.StmtStmtList{
-                        Position: yylex.(*Parser).builder.NewNodeListPosition($2),
-                        Stmts: $2,
-                    },
-                    EndForeachTkn: $3,
-                    SemiColonTkn:  $4,
-                }
-            }
-;
-
-
-declare_statement:
-        statement
-            {
-                $$ = &ast.StmtDeclare{
-                    Position: yylex.(*Parser).builder.NewNodePosition($1),
-                    Stmt: $1,
-                }
-            }
-    |   ':' inner_statement_list T_ENDDECLARE ';'
-            {
-                $$ = &ast.StmtDeclare{
-                    Position: yylex.(*Parser).builder.NewTokensPosition($1, $4),
-                    ColonTkn: $1,
-                    Stmt: &ast.StmtStmtList{
-                        Position: yylex.(*Parser).builder.NewNodeListPosition($2),
-                        Stmts: $2,
-                    },
-                    EndDeclareTkn: $3,
-                    SemiColonTkn:  $4,
-                }
-            }
-;
-
-
-declare_list:
-        T_STRING '=' static_scalar
-            {
-                $$ = &ParserSeparatedList{
-                    Items: []ast.Vertex{
-                        &ast.StmtConstant{
-                            Position: yylex.(*Parser).builder.NewTokenNodePosition($1, $3),
-                            Name: &ast.Identifier{
-                                Position: yylex.(*Parser).builder.NewTokenPosition($1),
-                                IdentifierTkn: $1,
-                                Value:         $1.Value,
-                            },
-                            EqualTkn: $2,
-                            Expr:     $3,
-                        },
-                    },
-                }
-            }
-    |   declare_list ',' T_STRING '=' static_scalar
-            {
-                $1.(*ParserSeparatedList).SeparatorTkns = append($1.(*ParserSeparatedList).SeparatorTkns, $2)
-                $1.(*ParserSeparatedList).Items = append(
-                    $1.(*ParserSeparatedList).Items,
-                    &ast.StmtConstant{
-                        Position: yylex.(*Parser).builder.NewTokenNodePosition($3, $5),
-                        Name: &ast.Identifier{
-                            Position: yylex.(*Parser).builder.NewTokenPosition($3),
-                            IdentifierTkn: $3,
-                            Value:         $3.Value,
-                        },
-                        EqualTkn: $4,
-                        Expr:     $5,
-                    },
-                )
-
-                $$ = $1
-            }
-;
-
-
-switch_case_list:
-        '{' case_list '}'
-            {
-                $$ = &ast.StmtSwitch{
-                    Position: yylex.(*Parser).builder.NewTokensPosition($1, $3),
-                    OpenCurlyBracketTkn:  $1,
-                    Cases:                $2,
-                    CloseCurlyBracketTkn: $3,
-                }
-            }
-    |   '{' ';' case_list '}'
-            {
-                $$ = &ast.StmtSwitch{
-                    Position: yylex.(*Parser).builder.NewTokensPosition($1, $4),
-                    OpenCurlyBracketTkn:  $1,
-                    CaseSeparatorTkn:     $2,
-                    Cases:                $3,
-                    CloseCurlyBracketTkn: $4,
-                }
-            }
-    |   ':' case_list T_ENDSWITCH ';'
-            {
-                $$ = &ast.StmtSwitch{
-                    Position: yylex.(*Parser).builder.NewTokensPosition($1, $4),
-                    ColonTkn:     $1,
-                    Cases:        $2,
-                    EndSwitchTkn: $3,
-                    SemiColonTkn: $4,
-                }
-            }
-    |   ':' ';' case_list T_ENDSWITCH ';'
-            {
-                $$ = &ast.StmtSwitch{
-                    Position: yylex.(*Parser).builder.NewTokensPosition($1, $5),
-                    ColonTkn:         $1,
-                    CaseSeparatorTkn: $2,
-                    Cases:            $3,
-                    EndSwitchTkn:     $4,
-                    SemiColonTkn:     $5,
-                }
-            }
-;
-
-
-case_list:
-        /* empty */
-            {
-                $$ = nil
-            }
-    |   case_list T_CASE expr case_separator inner_statement_list
-            {
-                $$ = append($1, &ast.StmtCase{
-                    Position: yylex.(*Parser).builder.NewTokenNodeListPosition($2, $5),
-                    CaseTkn:          $2,
-                    Cond:             $3,
-                    CaseSeparatorTkn: $4,
-                    Stmts:            $5,
-                })
-            }
-    |   case_list T_DEFAULT case_separator inner_statement_list
-            {
-                $$ = append($1, &ast.StmtDefault{
-                    Position: yylex.(*Parser).builder.NewTokenNodeListPosition($2, $4),
-                    DefaultTkn:       $2,
-                    CaseSeparatorTkn: $3,
-                    Stmts:            $4,
-                })
-            }
-;
-
-
-case_separator:
-        ':'
-            {
-                $$ = $1
-            }
-    |   ';'
-            {
-                $$ = $1
-            }
-;
-
-
-while_statement:
-        statement
-            {
-                $$ = &ast.StmtWhile{
-                    Position: yylex.(*Parser).builder.NewNodePosition($1),
-                    Stmt: $1,
-                }
-            }
-    |   ':' inner_statement_list T_ENDWHILE ';'
-            {
-                $$ = &ast.StmtWhile{
-                    Position: yylex.(*Parser).builder.NewTokensPosition($1, $4),
-                    ColonTkn: $1,
-                    Stmt: &ast.StmtStmtList{
-                        Position: yylex.(*Parser).builder.NewNodeListPosition($2),
-                        Stmts: $2,
-                    },
-                    EndWhileTkn:  $3,
-                    SemiColonTkn: $4,
-                }
-            }
-;
-
-
-
-elseif_list:
-        /* empty */
-            {
-                $$ = nil
-            }
-    |   elseif_list T_ELSEIF parenthesis_expr statement
-            {
-                $$ = append($1, &ast.StmtElseIf{
-                    Position: yylex.(*Parser).builder.NewTokenNodePosition($2, $4),
-                    ElseIfTkn:           $2,
-                    OpenParenthesisTkn:  $3.(*ast.ExprBrackets).OpenParenthesisTkn,
-                    Cond:                $3.(*ast.ExprBrackets).Expr,
-                    CloseParenthesisTkn: $3.(*ast.ExprBrackets).CloseParenthesisTkn,
-                    Stmt:                $4,
-                })
-            }
-;
-
-
-new_elseif_list:
-        /* empty */
-            {
-                $$ = nil
-            }
-    |   new_elseif_list T_ELSEIF parenthesis_expr ':' inner_statement_list
-            {
-                $$ = append($1, &ast.StmtElseIf{
-                    Position: yylex.(*Parser).builder.NewTokenNodeListPosition($2, $5),
-                    ElseIfTkn:           $2,
-                    OpenParenthesisTkn:  $3.(*ast.ExprBrackets).OpenParenthesisTkn,
-                    Cond:                $3.(*ast.ExprBrackets).Expr,
-                    CloseParenthesisTkn: $3.(*ast.ExprBrackets).CloseParenthesisTkn,
-                    ColonTkn:            $4,
-                    Stmt: &ast.StmtStmtList{
-                        Position: yylex.(*Parser).builder.NewNodeListPosition($5),
-                        Stmts: $5,
-                    },
-                })
-            }
-;
-
-
-else_single:
-        /* empty */
-            {
-                $$ = nil
-            }
-    |   T_ELSE statement
-            {
-                $$ = &ast.StmtElse{
-                    Position: yylex.(*Parser).builder.NewTokenNodePosition($1, $2),
-                    ElseTkn: $1,
-                    Stmt:    $2,
-                }
-            }
-;
-
-
-new_else_single:
-        /* empty */
-            {
-                $$ = nil
-            }
-    |   T_ELSE ':' inner_statement_list
-            {
-                $$ = &ast.StmtElse{
-                    Position: yylex.(*Parser).builder.NewTokenNodeListPosition($1, $3),
-                    ElseTkn:  $1,
-                    ColonTkn: $2,
-                    Stmt: &ast.StmtStmtList{
-                        Position: yylex.(*Parser).builder.NewNodeListPosition($3),
-                        Stmts: $3,
-                    },
-                }
-            }
-;
-
-
-parameter_list:
-        non_empty_parameter_list
-            {
-                $$ = $1
-            }
-    |   /* empty */
-            {
-                $$ = &ParserSeparatedList{}
-            }
-;
-
-non_empty_parameter_list:
-        parameter
-            {
-                $$ = &ParserSeparatedList{
-                    Items: []ast.Vertex{$1},
-                }
-            }
-    |   non_empty_parameter_list ',' parameter
-            {
-                $1.(*ParserSeparatedList).SeparatorTkns = append($1.(*ParserSeparatedList).SeparatorTkns, $2)
-                $1.(*ParserSeparatedList).Items = append($1.(*ParserSeparatedList).Items, $3)
-
-                $$ = $1
-            }
-;
-
-parameter:
-        optional_class_type is_reference is_variadic T_VARIABLE
-            {
-                pos := yylex.(*Parser).builder.NewTokenPosition($4)
-                if $1 != nil {
-                    pos = yylex.(*Parser).builder.NewNodeTokenPosition($1, $4)
-                } else if $2 != nil {
-                    pos = yylex.(*Parser).builder.NewTokensPosition($2, $4)
-                } else if $3 != nil {
-                    pos = yylex.(*Parser).builder.NewTokensPosition($3, $4)
-                }
-
-                $$ = &ast.Parameter{
-                    Position: pos,
-                    Type:         $1,
-                    AmpersandTkn: $2,
-                    VariadicTkn:  $3,
-                    Var: &ast.ExprVariable{
-                        Position: yylex.(*Parser).builder.NewTokenPosition($4),
-                        Name: &ast.Identifier{
-                            Position: yylex.(*Parser).builder.NewTokenPosition($4),
-                            IdentifierTkn: $4,
-                            Value:         $4.Value,
-                        },
-                    },
-                }
-            }
-    |   optional_class_type is_reference is_variadic T_VARIABLE '=' expr
-            {
-                pos := yylex.(*Parser).builder.NewTokenNodePosition($4, $6)
-                if $1 != nil {
-                    pos = yylex.(*Parser).builder.NewNodesPosition($1, $6)
-                } else if $2 != nil {
-                    pos = yylex.(*Parser).builder.NewTokenNodePosition($2, $6)
-                } else if $3 != nil {
-                    pos = yylex.(*Parser).builder.NewTokenNodePosition($3, $6)
-                }
-
-                $$ = &ast.Parameter{
-                    Position: pos,
-                    Type:         $1,
-                    AmpersandTkn: $2,
-                    VariadicTkn:  $3,
-                    Var: &ast.ExprVariable{
-                        Position: yylex.(*Parser).builder.NewTokenPosition($4),
-                        Name: &ast.Identifier{
-                            Position: yylex.(*Parser).builder.NewTokenPosition($4),
-                            IdentifierTkn: $4,
-                            Value:         $4.Value,
-                        },
-                    },
-                    EqualTkn:     $5,
-                    DefaultValue: $6,
-                }
-            }
-;
-
-
-optional_class_type:
-        /* empty */
-            {
-                $$ = nil
-            }
-    |   T_ARRAY
-            {
-                $$ = &ast.Identifier{
-                    Position: yylex.(*Parser).builder.NewTokenPosition($1),
-                    IdentifierTkn: $1,
-                    Value:         $1.Value,
-                }
-            }
-    |   T_CALLABLE
-            {
-                $$ = &ast.Identifier{
-                    Position: yylex.(*Parser).builder.NewTokenPosition($1),
-                    IdentifierTkn: $1,
-                    Value:         $1.Value,
-                }
-            }
-    |   fully_qualified_class_name
-            {
-                $$ = $1
-            }
-;
-
-
-function_call_parameter_list:
-        '(' ')'
-            {
-                $$ = &ArgumentList{
-                    Position: yylex.(*Parser).builder.NewTokensPosition($1, $2),
-                    OpenParenthesisTkn: $1,
-                    CloseParenthesisTkn: $2,
-                }
-            }
-    |   '(' non_empty_function_call_parameter_list ')'
-            {
-                argumentList := $2.(*ArgumentList)
-                argumentList.Position = yylex.(*Parser).builder.NewTokensPosition($1, $3)
-                argumentList.OpenParenthesisTkn = $1
-                argumentList.CloseParenthesisTkn = $3
-
-                $$ = argumentList
-            }
-    |   '(' yield_expr ')'
-            {
-                $$ = &ArgumentList{
-                    Position: yylex.(*Parser).builder.NewTokensPosition($1, $3),
-                    OpenParenthesisTkn: $1,
-                    Arguments: []ast.Vertex{
-                        &ast.Argument{
-                            Position: yylex.(*Parser).builder.NewNodePosition($2),
-                            Expr: $2,
-                        },
-                    },
-                    CloseParenthesisTkn: $3,
-                }
-            }
-;
-
-
-non_empty_function_call_parameter_list:
-        function_call_parameter
-            {
-                $$ = &ArgumentList{
-                    Arguments: []ast.Vertex{$1},
-                }
-            }
-    |   non_empty_function_call_parameter_list ',' function_call_parameter
-            {
-                $1.(*ArgumentList).SeparatorTkns = append($1.(*ArgumentList).SeparatorTkns, $2)
-                $1.(*ArgumentList).Arguments = append($1.(*ArgumentList).Arguments, $3)
-
-                $$ = $1
-            }
-;
-
-function_call_parameter:
-        expr_without_variable
-            {
-                $$ = &ast.Argument{
-                    Position: yylex.(*Parser).builder.NewNodePosition($1),
-                    Expr: $1,
-                }
-            }
-    |   variable
-            {
-                $$ = &ast.Argument{
-                    Position: yylex.(*Parser).builder.NewNodePosition($1),
-                    Expr: $1,
-                }
-            }
-    |   '&' w_variable
-            {
-                $$ = &ast.Argument{
-                    Position: yylex.(*Parser).builder.NewTokenNodePosition($1, $2),
-                    AmpersandTkn: $1,
-                    Expr:         $2,
-                }
-            }
-    |   T_ELLIPSIS expr
-            {
-                $$ = &ast.Argument{
-                    Position: yylex.(*Parser).builder.NewTokenNodePosition($1, $2),
-                    VariadicTkn: $1,
-                    Expr:        $2,
-                }
-            }
-;
-
-global_var_list:
-        global_var_list ',' global_var
-            {
-                $1.(*ast.StmtGlobal).Vars = append($1.(*ast.StmtGlobal).Vars, $3)
-                $1.(*ast.StmtGlobal).SeparatorTkns = append($1.(*ast.StmtGlobal).SeparatorTkns, $2)
-
-                $$ = $1
-            }
-    |   global_var
-            {
-                $$ = &ast.StmtGlobal{
-                    Vars: []ast.Vertex{$1},
-                }
-            }
-;
-
-
-global_var:
-        T_VARIABLE
-            {
-                $$ = &ast.ExprVariable{
-                    Position: yylex.(*Parser).builder.NewTokenPosition($1),
-                    Name: &ast.Identifier{
-                        Position: yylex.(*Parser).builder.NewTokenPosition($1),
-                        IdentifierTkn: $1,
-                        Value:         $1.Value,
-                    },
-                }
-            }
-    |   '$' r_variable
-            {
-                $$ = &ast.ExprVariable{
-                    Position: yylex.(*Parser).builder.NewTokenNodePosition($1, $2),
-                    DollarTkn: $1,
-                    Name:      $2,
-                }
-            }
-    |   '$' '{' expr '}'
-            {
-                $$ = &ast.ExprVariable{
-                    Position:             yylex.(*Parser).builder.NewTokensPosition($1, $4),
-                    DollarTkn:            $1,
-                    OpenCurlyBracketTkn:  $2,
-                    Name:                 $3,
-                    CloseCurlyBracketTkn: $4,
-                }
-            }
-;
-
-
-static_var_list:
-        static_var_list ',' T_VARIABLE
-            {
-                $1.(*ast.StmtStatic).Vars = append($1.(*ast.StmtStatic).Vars, &ast.StmtStaticVar{
-                    Position: yylex.(*Parser).builder.NewTokenPosition($3),
-                    Var: &ast.ExprVariable{
-                        Position: yylex.(*Parser).builder.NewTokenPosition($3),
-                        Name: &ast.Identifier{
-                            Position: yylex.(*Parser).builder.NewTokenPosition($3),
-                            IdentifierTkn: $3,
-                            Value:         $3.Value,
-                        },
-                    },
-                })
-                $1.(*ast.StmtStatic).SeparatorTkns = append($1.(*ast.StmtStatic).SeparatorTkns, $2)
-
-                $$ = $1
-            }
-    |   static_var_list ',' T_VARIABLE '=' static_scalar
-            {
-                $1.(*ast.StmtStatic).Vars = append($1.(*ast.StmtStatic).Vars, &ast.StmtStaticVar{
-                    Position: yylex.(*Parser).builder.NewTokenNodePosition($3, $5),
-                    Var: &ast.ExprVariable{
-                        Position: yylex.(*Parser).builder.NewTokenPosition($3),
-                        Name: &ast.Identifier{
-                            Position: yylex.(*Parser).builder.NewTokenPosition($3),
-                            IdentifierTkn: $3,
-                            Value:         $3.Value,
-                        },
-                    },
-                    EqualTkn: $4,
-                    Expr:     $5,
-                })
-                $1.(*ast.StmtStatic).SeparatorTkns = append($1.(*ast.StmtStatic).SeparatorTkns, $2)
-
-                $$ = $1
-            }
-    |   T_VARIABLE
-            {
-                $$ = &ast.StmtStatic{
-                    Vars: []ast.Vertex{
-                        &ast.StmtStaticVar{
-                            Position: yylex.(*Parser).builder.NewTokenPosition($1),
-                            Var: &ast.ExprVariable{
-                                Position: yylex.(*Parser).builder.NewTokenPosition($1),
-                                Name: &ast.Identifier{
-                                    Position: yylex.(*Parser).builder.NewTokenPosition($1),
-                                    IdentifierTkn: $1,
-                                    Value:         $1.Value,
-                                },
-                            },
-                        },
-                    },
-                }
-            }
-    |   T_VARIABLE '=' static_scalar
-            {
-                $$ = &ast.StmtStatic{
-                    Vars: []ast.Vertex{
-                        &ast.StmtStaticVar{
-                            Position: yylex.(*Parser).builder.NewTokenNodePosition($1, $3),
-                            Var: &ast.ExprVariable{
-                                Position: yylex.(*Parser).builder.NewTokenPosition($1),
-                                Name: &ast.Identifier{
-                                    Position: yylex.(*Parser).builder.NewTokenPosition($1),
-                                    IdentifierTkn: $1,
-                                    Value:         $1.Value,
-                                },
-                            },
-                            EqualTkn: $2,
-                            Expr:     $3,
-                        },
-                    },
-                }
-            }
-;
-
-
-class_statement_list:
-        class_statement_list class_statement
-            {
-                $$ = append($1, $2)
-            }
-    |   /* empty */
-            {
-                $$ = []ast.Vertex{}
-            }
-;
-
-
-class_statement:
-        variable_modifiers class_variable_declaration ';'
-            {
-                $$ = &ast.StmtPropertyList{
-                    Position: yylex.(*Parser).builder.NewNodeListTokenPosition($1, $3),
-                    Modifiers:     $1,
-                    Props:         $2.(*ParserSeparatedList).Items,
-                    SeparatorTkns: $2.(*ParserSeparatedList).SeparatorTkns,
-                    SemiColonTkn:  $3,
-                }
-            }
-    |   class_constant_declaration ';'
-            {
-                $1.(*ast.StmtClassConstList).SemiColonTkn = $2
-                $1.(*ast.StmtClassConstList).Position = yylex.(*Parser).builder.NewNodeTokenPosition($1, $2)
-                $$ = $1
-            }
-    |   trait_use_statement
-            {
-                $$ = $1
-            }
-    |   method_modifiers function is_reference T_STRING '(' parameter_list ')' method_body
-            {
-                pos := yylex.(*Parser).builder.NewTokenNodePosition($2, $8)
-                if $1 != nil {
-                    pos = yylex.(*Parser).builder.NewNodeListNodePosition($1, $8)
-                }
-
-                $$ = &ast.StmtClassMethod{
-                    Position: pos,
-                    Modifiers:    $1,
-                    FunctionTkn:  $2,
-                    AmpersandTkn: $3,
-                    Name: &ast.Identifier{
-                        Position: yylex.(*Parser).builder.NewTokenPosition($4),
-                        IdentifierTkn: $4,
-                        Value:         $4.Value,
-                    },
-                    OpenParenthesisTkn:  $5,
-                    Params:              $6.(*ParserSeparatedList).Items,
-                    SeparatorTkns:       $6.(*ParserSeparatedList).SeparatorTkns,
-                    CloseParenthesisTkn: $7,
-                    Stmt:                $8,
-                }
-            }
-;
-
-trait_use_statement:
-        T_USE trait_list trait_adaptations
-            {
-                traitUse := &ast.StmtTraitUse{
-                    Position: yylex.(*Parser).builder.NewTokenNodePosition($1, $3),
-                    UseTkn:        $1,
-                    Traits:        $2.(*ParserSeparatedList).Items,
-                    SeparatorTkns: $2.(*ParserSeparatedList).SeparatorTkns,
-                }
-
-                switch n := $3.(type) {
-                case *TraitAdaptationList :
-                    traitUse.OpenCurlyBracketTkn = n.OpenCurlyBracketTkn
-                    traitUse.Adaptations = n.Adaptations
-                    traitUse.CloseCurlyBracketTkn = n.CloseCurlyBracketTkn
-                case *ast.StmtNop :
-                    traitUse.SemiColonTkn = n.SemiColonTkn
-                };
-
-                $$ = traitUse
-            }
-;
-
-trait_list:
-        fully_qualified_class_name
-            {
-                $$ = &ParserSeparatedList{
-                    Items: []ast.Vertex{$1},
-                }
-            }
-    |   trait_list ',' fully_qualified_class_name
-            {
-                $1.(*ParserSeparatedList).SeparatorTkns = append($1.(*ParserSeparatedList).SeparatorTkns, $2)
-                $1.(*ParserSeparatedList).Items = append($1.(*ParserSeparatedList).Items, $3)
-
-                $$ = $1
-            }
-;
-
-trait_adaptations:
-        ';'
-            {
-                $$ = &ast.StmtNop{
-                    Position: yylex.(*Parser).builder.NewTokenPosition($1),
-                    SemiColonTkn: $1,
-                }
-            }
-    |   '{' trait_adaptation_list '}'
-            {
-                $$ = &TraitAdaptationList{
-                    Position: yylex.(*Parser).builder.NewTokensPosition($1, $3),
-                    OpenCurlyBracketTkn:  $1,
-                    Adaptations:          $2,
-                    CloseCurlyBracketTkn: $3,
-                }
-            }
-;
-
-trait_adaptation_list:
-        /* empty */
-            {
-                $$ = nil
-            }
-    |   non_empty_trait_adaptation_list
-            {
-                $$ = $1
-            }
-;
-
-non_empty_trait_adaptation_list:
-        trait_adaptation_statement
-            {
-                $$ = []ast.Vertex{$1}
-            }
-    |   non_empty_trait_adaptation_list trait_adaptation_statement
-            {
-                $$ = append($1, $2)
-            }
-;
-
-trait_adaptation_statement:
-        trait_precedence ';'
-            {
-                $1.(*ast.StmtTraitUsePrecedence).SemiColonTkn = $2
-
-                $$ = $1;
-            }
-    |   trait_alias ';'
-            {
-                $1.(*ast.StmtTraitUseAlias).SemiColonTkn = $2
-
-                $$ = $1;
-            }
-;
-
-trait_precedence:
-        trait_method_reference_fully_qualified T_INSTEADOF trait_reference_list
-            {
-                $$ = &ast.StmtTraitUsePrecedence{
-                    Position: yylex.(*Parser).builder.NewNodeNodeListPosition($1, $3.(*ParserSeparatedList).Items),
-                    Trait:          $1.(*TraitMethodRef).Trait,
-                    DoubleColonTkn: $1.(*TraitMethodRef).DoubleColonTkn,
-                    Method:         $1.(*TraitMethodRef).Method,
-                    InsteadofTkn:   $2,
-                    Insteadof:      $3.(*ParserSeparatedList).Items,
-                    SeparatorTkns:  $3.(*ParserSeparatedList).SeparatorTkns,
-                }
-            }
-;
-
-trait_reference_list:
-        fully_qualified_class_name
-            {
-                $$ = &ParserSeparatedList{
-                    Items: []ast.Vertex{$1},
-                }
-            }
-    |   trait_reference_list ',' fully_qualified_class_name
-            {
-                $1.(*ParserSeparatedList).SeparatorTkns = append($1.(*ParserSeparatedList).SeparatorTkns, $2)
-                $1.(*ParserSeparatedList).Items = append($1.(*ParserSeparatedList).Items, $3)
-
-                $$ = $1
-            }
-;
-
-trait_method_reference:
-        T_STRING
-            {
-                $$ = &TraitMethodRef{
-                    Position: yylex.(*Parser).builder.NewTokenPosition($1),
-                    Method: &ast.Identifier{
-                        Position: yylex.(*Parser).builder.NewTokenPosition($1),
-                        IdentifierTkn: $1,
-                        Value:         $1.Value,
-                    },
-                }
-            }
-    |   trait_method_reference_fully_qualified
-            {
-                $$ = $1
-            }
-;
-
-trait_method_reference_fully_qualified:
-        fully_qualified_class_name T_PAAMAYIM_NEKUDOTAYIM T_STRING
-            {
-                $$ = &TraitMethodRef{
-                    Position: yylex.(*Parser).builder.NewNodeTokenPosition($1, $3),
-                    Trait:          $1,
-                    DoubleColonTkn: $2,
-                    Method: &ast.Identifier{
-                        Position: yylex.(*Parser).builder.NewTokenPosition($3),
-                        IdentifierTkn: $3,
-                        Value:         $3.Value,
-                    },
-                }
-            }
-;
-
-trait_alias:
-        trait_method_reference T_AS trait_modifiers T_STRING
-            {
-                $$ = &ast.StmtTraitUseAlias{
-                    Position:       yylex.(*Parser).builder.NewNodeTokenPosition($1, $4),
-                    Trait:          $1.(*TraitMethodRef).Trait,
-                    DoubleColonTkn: $1.(*TraitMethodRef).DoubleColonTkn,
-                    Method:         $1.(*TraitMethodRef).Method,
-                    AsTkn:          $2,
-                    Modifier:       $3,
-                    Alias: &ast.Identifier{
-                        Position: yylex.(*Parser).builder.NewTokenPosition($4),
-                        IdentifierTkn: $4,
-                        Value:         $4.Value,
-                    },
-                }
-            }
-    |   trait_method_reference T_AS member_modifier
-            {
-                $$ = &ast.StmtTraitUseAlias{
-                    Position:       yylex.(*Parser).builder.NewNodesPosition($1, $3),
-                    Trait:          $1.(*TraitMethodRef).Trait,
-                    DoubleColonTkn: $1.(*TraitMethodRef).DoubleColonTkn,
-                    Method:         $1.(*TraitMethodRef).Method,
-                    AsTkn:          $2,
-                    Modifier:       $3,
-                }
-            }
-;
-
-trait_modifiers:
-        /* empty */
-            {
-                $$ = nil
-            }
-    |   member_modifier
-            {
-                $$ = $1
-            }
-;
-
-method_body:
-        ';' /* abstract method */
-            {
-                $$ = &ast.StmtNop{
-                    Position: yylex.(*Parser).builder.NewTokenPosition($1),
-                    SemiColonTkn: $1,
-                }
-            }
-    |   '{' inner_statement_list '}'
-            {
-                $$ = &ast.StmtStmtList{
-                    Position: yylex.(*Parser).builder.NewTokensPosition($1, $3),
-                    OpenCurlyBracketTkn:  $1,
-                    Stmts:                $2,
-                    CloseCurlyBracketTkn: $3,
-                }
-            }
-;
-
-variable_modifiers:
-        non_empty_member_modifiers
-            {
-                $$ = $1;
-            }
-    |   T_VAR
-            {
-                $$ = []ast.Vertex{
-                    &ast.Identifier{
-                        Position: yylex.(*Parser).builder.NewTokenPosition($1),
-                        IdentifierTkn: $1,
-                        Value:         $1.Value,
-                    },
-                }
-            }
-;
-
-method_modifiers:
-        /* empty */
-            {
-                $$ = nil
-            }
-    |   non_empty_member_modifiers
-            {
-                $$ = $1
-            }
-;
-
-non_empty_member_modifiers:
-        member_modifier
-            {
-                $$ = []ast.Vertex{$1}
-            }
-    |   non_empty_member_modifiers member_modifier
-            {
-                $$ = append($1, $2)
-            }
-;
-
-member_modifier:
-        T_PUBLIC
-            {
-                $$ = &ast.Identifier{
-                    Position: yylex.(*Parser).builder.NewTokenPosition($1),
-                    IdentifierTkn: $1,
-                    Value:         $1.Value,
-                }
-            }
-    |   T_PROTECTED
-            {
-                $$ = &ast.Identifier{
-                    Position: yylex.(*Parser).builder.NewTokenPosition($1),
-                    IdentifierTkn: $1,
-                    Value:         $1.Value,
-                }
-            }
-    |   T_PRIVATE
-            {
-                $$ = &ast.Identifier{
-                    Position: yylex.(*Parser).builder.NewTokenPosition($1),
-                    IdentifierTkn: $1,
-                    Value:         $1.Value,
-                }
-            }
-    |   T_STATIC
-            {
-                $$ = &ast.Identifier{
-                    Position: yylex.(*Parser).builder.NewTokenPosition($1),
-                    IdentifierTkn: $1,
-                    Value:         $1.Value,
-                }
-            }
-    |   T_ABSTRACT
-            {
-                $$ = &ast.Identifier{
-                    Position: yylex.(*Parser).builder.NewTokenPosition($1),
-                    IdentifierTkn: $1,
-                    Value:         $1.Value,
-                }
-            }
-    |   T_FINAL
-            {
-                $$ = &ast.Identifier{
-                    Position: yylex.(*Parser).builder.NewTokenPosition($1),
-                    IdentifierTkn: $1,
-                    Value:         $1.Value,
-                }
-            }
-;
-
-class_variable_declaration:
-        class_variable_declaration ',' T_VARIABLE
-            {
-                item := &ast.StmtProperty{
-                    Position: yylex.(*Parser).builder.NewTokenPosition($3),
-                    Var: &ast.ExprVariable{
-                        Position: yylex.(*Parser).builder.NewTokenPosition($3),
-                        Name: &ast.Identifier{
-                            Position: yylex.(*Parser).builder.NewTokenPosition($3),
-                            IdentifierTkn: $3,
-                            Value:         $3.Value,
-                        },
-                    },
-                }
-
-                $1.(*ParserSeparatedList).SeparatorTkns = append($1.(*ParserSeparatedList).SeparatorTkns, $2)
-                $1.(*ParserSeparatedList).Items = append($1.(*ParserSeparatedList).Items, item)
-
-                $$ = $1
-            }
-    |   class_variable_declaration ',' T_VARIABLE '=' static_scalar
-            {
-                item := &ast.StmtProperty{
-                    Position: yylex.(*Parser).builder.NewTokenNodePosition($3, $5),
-                    Var: &ast.ExprVariable{
-                        Position: yylex.(*Parser).builder.NewTokenPosition($3),
-                        Name: &ast.Identifier{
-                            Position: yylex.(*Parser).builder.NewTokenPosition($3),
-                            IdentifierTkn: $3,
-                            Value:         $3.Value,
-                        },
-                    },
-                    EqualTkn: $4,
-                    Expr:     $5,
-                }
-
-                $1.(*ParserSeparatedList).SeparatorTkns = append($1.(*ParserSeparatedList).SeparatorTkns, $2)
-                $1.(*ParserSeparatedList).Items = append($1.(*ParserSeparatedList).Items, item)
-
-                $$ = $1
-            }
-    |   T_VARIABLE
-            {
-                $$ = &ParserSeparatedList{
-                    Items: []ast.Vertex{
-                        &ast.StmtProperty{
-                            Position: yylex.(*Parser).builder.NewTokenPosition($1),
-                            Var: &ast.ExprVariable{
-                                Position: yylex.(*Parser).builder.NewTokenPosition($1),
-                                Name: &ast.Identifier{
-                                    Position: yylex.(*Parser).builder.NewTokenPosition($1),
-                                    IdentifierTkn: $1,
-                                    Value:         $1.Value,
-                                },
-                            },
-                            Expr: nil,
-                        },
-                    },
-                }
-            }
-    |   T_VARIABLE '=' static_scalar
-            {
-                $$ = &ParserSeparatedList{
-                    Items: []ast.Vertex{
-                        &ast.StmtProperty{
-                            Position: yylex.(*Parser).builder.NewTokenNodePosition($1, $3),
-                            Var: &ast.ExprVariable{
-                                Position: yylex.(*Parser).builder.NewTokenPosition($1),
-                                Name: &ast.Identifier{
-                                    Position: yylex.(*Parser).builder.NewTokenPosition($1),
-                                    IdentifierTkn: $1,
-                                    Value:         $1.Value,
-                                },
-                            },
-                            EqualTkn: $2,
-                            Expr:     $3,
-                        },
-                    },
-                }
-            }
-;
-
-class_constant_declaration:
-        class_constant_declaration ',' T_STRING '=' static_scalar
-            {
-                constList := $1.(*ast.StmtClassConstList)
-                constList.Position = yylex.(*Parser).builder.NewNodesPosition($1, $5)
-                constList.SeparatorTkns = append(constList.SeparatorTkns, $2)
-                constList.Consts = append(constList.Consts, &ast.StmtConstant{
-                    Position: yylex.(*Parser).builder.NewTokenNodePosition($3, $5),
-                    Name: &ast.Identifier{
-                        Position: yylex.(*Parser).builder.NewTokenPosition($3),
-                        IdentifierTkn: $3,
-                        Value:         $3.Value,
-                    },
-                    EqualTkn: $4,
-                    Expr:     $5,
-                })
-
-                $$ = $1
-            }
-    |   T_CONST T_STRING '=' static_scalar
-            {
-                $$ = &ast.StmtClassConstList{
-                    Position: yylex.(*Parser).builder.NewTokenNodePosition($1, $4),
-                    ConstTkn: $1,
-                    Consts: []ast.Vertex{
-                        &ast.StmtConstant{
-                            Position: yylex.(*Parser).builder.NewTokenNodePosition($2, $4),
-                            Name: &ast.Identifier{
-                                Position: yylex.(*Parser).builder.NewTokenPosition($2),
-                                IdentifierTkn: $2,
-                                Value:         $2.Value,
-                            },
-                            EqualTkn: $3,
-                            Expr:     $4,
-                        },
-                    },
-                }
-            }
-;
-
-echo_expr_list:
-        echo_expr_list ',' expr
-            {
-                $1.(*ast.StmtEcho).Exprs = append($1.(*ast.StmtEcho).Exprs, $3)
-                $1.(*ast.StmtEcho).SeparatorTkns = append($1.(*ast.StmtEcho).SeparatorTkns, $2)
-
-                $$ = $1
-            }
-    |   expr
-            {
-                $$ = &ast.StmtEcho{
-                    Exprs: []ast.Vertex{$1},
-                }
-            }
-;
-
-
-for_expr:
-        /* empty */
-            {
-                $$ = &ParserSeparatedList{}
-            }
-    |   non_empty_for_expr
-            {
-                $$ = $1
-            }
-;
-
-non_empty_for_expr:
-        non_empty_for_expr ',' expr
-            {
-                $1.(*ParserSeparatedList).SeparatorTkns = append($1.(*ParserSeparatedList).SeparatorTkns, $2)
-                $1.(*ParserSeparatedList).Items = append($1.(*ParserSeparatedList).Items, $3)
-
-                $$ = $1
-            }
-    |   expr
-            {
-                $$ = &ParserSeparatedList{
-                    Items: []ast.Vertex{$1},
-                }
-            }
-;
-
-chaining_method_or_property:
-        chaining_method_or_property variable_property
-            {
-                $$ = append($1, $2...)
-            }
-    |   variable_property
-            {
-                $$ = $1
-            }
-;
-
-chaining_dereference:
-        chaining_dereference '[' dim_offset ']'
-            {
-                fetch := &ast.ExprArrayDimFetch{
-                    Position: yylex.(*Parser).builder.NewTokensPosition($2, $4),
-                    Var:             nil,
-                    OpenBracketTkn:  $2,
-                    Dim:             $3,
-                    CloseBracketTkn: $4,
-                }
-
-                $$ = append($1, fetch)
-            }
-    |   '[' dim_offset ']'
-            {
-                fetch := &ast.ExprArrayDimFetch{
-                    Position: yylex.(*Parser).builder.NewTokensPosition($1, $3),
-                    Var:             nil,
-                    OpenBracketTkn:  $1,
-                    Dim:             $2,
-                    CloseBracketTkn: $3,
-                }
-
-                $$ = []ast.Vertex{fetch}
-            }
-;
-
-chaining_instance_call:
-        chaining_dereference chaining_method_or_property
-            {
-                $$ = append($1, $2...)
-            }
-    |   chaining_dereference
-            {
-                $$ = $1
-            }
-    |   chaining_method_or_property
-            {
-                $$ = $1
-            }
-;
-
-instance_call:
-        /* empty */
-            {
-                $$ = nil
-            }
-    |   chaining_instance_call
-            {
-                $$ = $1
-            }
-;
-
-new_expr:
-        T_NEW class_name_reference ctor_arguments
-            {
-                if $3 != nil {
-                    $$ = &ast.ExprNew{
-                        Position: yylex.(*Parser).builder.NewTokenNodePosition($1, $3),
-                        NewTkn:              $1,
-                        Class:               $2,
-                        OpenParenthesisTkn:  $3.(*ArgumentList).OpenParenthesisTkn,
-                        Args:                $3.(*ArgumentList).Arguments,
-                        SeparatorTkns:       $3.(*ArgumentList).SeparatorTkns,
-                        CloseParenthesisTkn: $3.(*ArgumentList).CloseParenthesisTkn,
-                    }
-                } else {
-                    $$ = &ast.ExprNew{
-                        Position: yylex.(*Parser).builder.NewTokenNodePosition($1, $2),
-                        NewTkn: $1,
-                        Class: $2,
-                    }
-                }
-            }
-;
-
-expr_without_variable:
-        T_LIST '(' assignment_list ')' '=' expr
-            {
-                $$ = &ast.ExprAssign{
-                    Position: yylex.(*Parser).builder.NewTokenNodePosition($1, $6),
-                    Var: &ast.ExprList{
-                        Position: yylex.(*Parser).builder.NewTokensPosition($1, $4),
-                        ListTkn:         $1,
-                        OpenBracketTkn:  $2,
-                        Items:           $3.(*ParserSeparatedList).Items,
-                        SeparatorTkns:   $3.(*ParserSeparatedList).SeparatorTkns,
-                        CloseBracketTkn: $4,
-                    },
-                    EqualTkn: $5,
-                    Expr:     $6,
-                }
-            }
-    |   variable '=' expr
-            {
-                $$ = &ast.ExprAssign{
-                    Position: yylex.(*Parser).builder.NewNodesPosition($1, $3),
-                    Var:      $1,
-                    EqualTkn: $2,
-                    Expr:     $3,
-                }
-            }
-    |   variable '=' '&' variable
-            {
-                $$ = &ast.ExprAssignReference{
-                    Position: yylex.(*Parser).builder.NewNodesPosition($1, $4),
-                    Var:          $1,
-                    EqualTkn:     $2,
-                    AmpersandTkn: $3,
-                    Expr:         $4,
-                }
-            }
-    |   variable '=' '&' T_NEW class_name_reference ctor_arguments
-            {
-                var _new *ast.ExprNew
-                if $6 != nil {
-                    _new = &ast.ExprNew{
-                        Position: yylex.(*Parser).builder.NewTokenNodePosition($4, $6),
-                        NewTkn:              $4,
-                        Class:               $5,
-                        OpenParenthesisTkn:  $6.(*ArgumentList).OpenParenthesisTkn,
-                        Args:                $6.(*ArgumentList).Arguments,
-                        SeparatorTkns:       $6.(*ArgumentList).SeparatorTkns,
-                        CloseParenthesisTkn: $6.(*ArgumentList).CloseParenthesisTkn,
-                    }
-                } else {
-                    _new = &ast.ExprNew{
-                        Position: yylex.(*Parser).builder.NewTokenNodePosition($4, $5),
-                        NewTkn: $4,
-                        Class:  $5,
-                    }
-                }
-
-                $$ = &ast.ExprAssignReference{
-                    Position: yylex.(*Parser).builder.NewNodesPosition($1, _new),
-                    Var:          $1,
-                    EqualTkn:     $2,
-                    AmpersandTkn: $3,
-                    Expr:         _new,
-                }
-            }
-    |   T_CLONE expr
-            {
-                $$ = &ast.ExprClone{
-                    Position: yylex.(*Parser).builder.NewTokenNodePosition($1, $2),
-                    CloneTkn: $1,
-                    Expr:     $2,
-                }
-            }
-    |   variable T_PLUS_EQUAL expr
-            {
-                $$ = &ast.ExprAssignPlus{
-                    Position: yylex.(*Parser).builder.NewNodesPosition($1, $3),
-                    Var:      $1,
-                    EqualTkn: $2,
-                    Expr:     $3,
-                }
-            }
-    |   variable T_MINUS_EQUAL expr
-            {
-                $$ = &ast.ExprAssignMinus{
-                    Position: yylex.(*Parser).builder.NewNodesPosition($1, $3),
-                    Var:      $1,
-                    EqualTkn: $2,
-                    Expr:     $3,
-                }
-            }
-    |   variable T_MUL_EQUAL expr
-            {
-                $$ = &ast.ExprAssignMul{
-                    Position: yylex.(*Parser).builder.NewNodesPosition($1, $3),
-                    Var:      $1,
-                    EqualTkn: $2,
-                    Expr:     $3,
-                }
-            }
-    |   variable T_POW_EQUAL expr
-            {
-                $$ = &ast.ExprAssignPow{
-                    Position: yylex.(*Parser).builder.NewNodesPosition($1, $3),
-                    Var:      $1,
-                    EqualTkn: $2,
-                    Expr:     $3,
-                }
-            }
-    |   variable T_DIV_EQUAL expr
-            {
-                $$ = &ast.ExprAssignDiv{
-                    Position: yylex.(*Parser).builder.NewNodesPosition($1, $3),
-                    Var:      $1,
-                    EqualTkn: $2,
-                    Expr:     $3,
-                }
-            }
-    |   variable T_CONCAT_EQUAL expr
-            {
-                $$ = &ast.ExprAssignConcat{
-                    Position: yylex.(*Parser).builder.NewNodesPosition($1, $3),
-                    Var:      $1,
-                    EqualTkn: $2,
-                    Expr:     $3,
-                }
-            }
-    |   variable T_MOD_EQUAL expr
-            {
-                $$ = &ast.ExprAssignMod{
-                    Position: yylex.(*Parser).builder.NewNodesPosition($1, $3),
-                    Var:      $1,
-                    EqualTkn: $2,
-                    Expr:     $3,
-                }
-            }
-    |   variable T_AND_EQUAL expr
-            {
-                $$ = &ast.ExprAssignBitwiseAnd{
-                    Position: yylex.(*Parser).builder.NewNodesPosition($1, $3),
-                    Var:      $1,
-                    EqualTkn: $2,
-                    Expr:     $3,
-                }
-            }
-    |   variable T_OR_EQUAL expr
-            {
-                $$ = &ast.ExprAssignBitwiseOr{
-                    Position: yylex.(*Parser).builder.NewNodesPosition($1, $3),
-                    Var:      $1,
-                    EqualTkn: $2,
-                    Expr:     $3,
-                }
-            }
-    |   variable T_XOR_EQUAL expr
-            {
-                $$ = &ast.ExprAssignBitwiseXor{
-                    Position: yylex.(*Parser).builder.NewNodesPosition($1, $3),
-                    Var:      $1,
-                    EqualTkn: $2,
-                    Expr:     $3,
-                }
-            }
-    |   variable T_SL_EQUAL expr
-            {
-                $$ = &ast.ExprAssignShiftLeft{
-                    Position: yylex.(*Parser).builder.NewNodesPosition($1, $3),
-                    Var:      $1,
-                    EqualTkn: $2,
-                    Expr:     $3,
-                }
-            }
-    |   variable T_SR_EQUAL expr
-            {
-                $$ = &ast.ExprAssignShiftRight{
-                    Position: yylex.(*Parser).builder.NewNodesPosition($1, $3),
-                    Var:      $1,
-                    EqualTkn: $2,
-                    Expr:     $3,
-                }
-            }
-    |   rw_variable T_INC
-            {
-                $$ = &ast.ExprPostInc{
-                    Position: yylex.(*Parser).builder.NewNodeTokenPosition($1, $2),
-                    Var:    $1,
-                    IncTkn: $2,
-                }
-            }
-    |   T_INC rw_variable
-            {
-                $$ = &ast.ExprPreInc{
-                    Position: yylex.(*Parser).builder.NewTokenNodePosition($1, $2),
-                    IncTkn: $1,
-                    Var:    $2,
-                }
-            }
-    |   rw_variable T_DEC
-            {
-                $$ = &ast.ExprPostDec{
-                    Position: yylex.(*Parser).builder.NewNodeTokenPosition($1, $2),
-                    Var:    $1,
-                    DecTkn: $2,
-                }
-            }
-    |   T_DEC rw_variable
-            {
-                $$ = &ast.ExprPreDec{
-                    Position: yylex.(*Parser).builder.NewTokenNodePosition($1, $2),
-                    DecTkn: $1,
-                    Var:    $2,
-                }
-            }
-    |   expr T_BOOLEAN_OR expr
-            {
-                $$ = &ast.ExprBinaryBooleanOr{
-                    Position: yylex.(*Parser).builder.NewNodesPosition($1, $3),
-                    Left:  $1,
-                    OpTkn: $2,
-                    Right: $3,
-                }
-            }
-    |   expr T_BOOLEAN_AND expr
-            {
-                $$ = &ast.ExprBinaryBooleanAnd{
-                    Position: yylex.(*Parser).builder.NewNodesPosition($1, $3),
-                    Left:  $1,
-                    OpTkn: $2,
-                    Right: $3,
-                }
-            }
-    |   expr T_LOGICAL_OR expr
-            {
-                $$ = &ast.ExprBinaryLogicalOr{
-                    Position: yylex.(*Parser).builder.NewNodesPosition($1, $3),
-                    Left:  $1,
-                    OpTkn: $2,
-                    Right: $3,
-                }
-            }
-    |   expr T_LOGICAL_AND expr
-            {
-                $$ = &ast.ExprBinaryLogicalAnd{
-                    Position: yylex.(*Parser).builder.NewNodesPosition($1, $3),
-                    Left:  $1,
-                    OpTkn: $2,
-                    Right: $3,
-                }
-            }
-    |   expr T_LOGICAL_XOR expr
-            {
-                $$ = &ast.ExprBinaryLogicalXor{
-                    Position: yylex.(*Parser).builder.NewNodesPosition($1, $3),
-                    Left:  $1,
-                    OpTkn: $2,
-                    Right: $3,
-                }
-            }
-    |   expr '|' expr
-            {
-                $$ = &ast.ExprBinaryBitwiseOr{
-                    Position: yylex.(*Parser).builder.NewNodesPosition($1, $3),
-                    Left:  $1,
-                    OpTkn: $2,
-                    Right: $3,
-                }
-            }
-    |   expr '&' expr
-            {
-                $$ = &ast.ExprBinaryBitwiseAnd{
-                    Position: yylex.(*Parser).builder.NewNodesPosition($1, $3),
-                    Left:  $1,
-                    OpTkn: $2,
-                    Right: $3,
-                }
-            }
-    |   expr '^' expr
-            {
-                $$ = &ast.ExprBinaryBitwiseXor{
-                    Position: yylex.(*Parser).builder.NewNodesPosition($1, $3),
-                    Left:  $1,
-                    OpTkn: $2,
-                    Right: $3,
-                }
-            }
-    |   expr '.' expr
-            {
-                $$ = &ast.ExprBinaryConcat{
-                    Position: yylex.(*Parser).builder.NewNodesPosition($1, $3),
-                    Left:  $1,
-                    OpTkn: $2,
-                    Right: $3,
-                }
-            }
-    |   expr '+' expr
-            {
-                $$ = &ast.ExprBinaryPlus{
-                    Position: yylex.(*Parser).builder.NewNodesPosition($1, $3),
-                    Left:  $1,
-                    OpTkn: $2,
-                    Right: $3,
-                }
-            }
-    |   expr '-' expr
-            {
-                $$ = &ast.ExprBinaryMinus{
-                    Position: yylex.(*Parser).builder.NewNodesPosition($1, $3),
-                    Left:  $1,
-                    OpTkn: $2,
-                    Right: $3,
-                }
-            }
-    |   expr '*' expr
-            {
-                $$ = &ast.ExprBinaryMul{
-                    Position: yylex.(*Parser).builder.NewNodesPosition($1, $3),
-                    Left:  $1,
-                    OpTkn: $2,
-                    Right: $3,
-                }
-            }
-    |   expr T_POW expr
-            {
-                $$ = &ast.ExprBinaryPow{
-                    Position: yylex.(*Parser).builder.NewNodesPosition($1, $3),
-                    Left:  $1,
-                    OpTkn: $2,
-                    Right: $3,
-                }
-            }
-    |   expr '/' expr
-            {
-                $$ = &ast.ExprBinaryDiv{
-                    Position: yylex.(*Parser).builder.NewNodesPosition($1, $3),
-                    Left:  $1,
-                    OpTkn: $2,
-                    Right: $3,
-                }
-            }
-    |   expr '%' expr
-            {
-                $$ = &ast.ExprBinaryMod{
-                    Position: yylex.(*Parser).builder.NewNodesPosition($1, $3),
-                    Left:  $1,
-                    OpTkn: $2,
-                    Right: $3,
-                }
-            }
-    |   expr T_SL expr
-            {
-                $$ = &ast.ExprBinaryShiftLeft{
-                    Position: yylex.(*Parser).builder.NewNodesPosition($1, $3),
-                    Left:  $1,
-                    OpTkn: $2,
-                    Right: $3,
-                }
-            }
-    |   expr T_SR expr
-            {
-                $$ = &ast.ExprBinaryShiftRight{
-                    Position: yylex.(*Parser).builder.NewNodesPosition($1, $3),
-                    Left:  $1,
-                    OpTkn: $2,
-                    Right: $3,
-                }
-            }
-    |   '+' expr %prec T_INC
-            {
-                $$ = &ast.ExprUnaryPlus{
-                    Position: yylex.(*Parser).builder.NewTokenNodePosition($1, $2),
-                    PlusTkn: $1,
-                    Expr:    $2,
-                }
-            }
-    |   '-' expr %prec T_INC
-            {
-                $$ = &ast.ExprUnaryMinus{
-                    Position: yylex.(*Parser).builder.NewTokenNodePosition($1, $2),
-                    MinusTkn: $1,
-                    Expr:     $2,
-                }
-            }
-    |   '!' expr
-            {
-                $$ = &ast.ExprBooleanNot{
-                    Position: yylex.(*Parser).builder.NewTokenNodePosition($1, $2),
-                    ExclamationTkn: $1,
-                    Expr:           $2,
-                }
-            }
-    |   '~' expr
-            {
-                $$ = &ast.ExprBitwiseNot{
-                    Position: yylex.(*Parser).builder.NewTokenNodePosition($1, $2),
-                    TildaTkn: $1,
-                    Expr:     $2,
-                }
-            }
-    |   expr T_IS_IDENTICAL expr
-            {
-                $$ = &ast.ExprBinaryIdentical{
-                    Position: yylex.(*Parser).builder.NewNodesPosition($1, $3),
-                    Left:  $1,
-                    OpTkn: $2,
-                    Right: $3,
-                }
-            }
-    |   expr T_IS_NOT_IDENTICAL expr
-            {
-                $$ = &ast.ExprBinaryNotIdentical{
-                    Position: yylex.(*Parser).builder.NewNodesPosition($1, $3),
-                    Left:  $1,
-                    OpTkn: $2,
-                    Right: $3,
-                }
-            }
-    |   expr T_IS_EQUAL expr
-            {
-                $$ = &ast.ExprBinaryEqual{
-                    Position: yylex.(*Parser).builder.NewNodesPosition($1, $3),
-                    Left:  $1,
-                    OpTkn: $2,
-                    Right: $3,
-                }
-            }
-    |   expr T_IS_NOT_EQUAL expr
-            {
-                $$ = &ast.ExprBinaryNotEqual{
-                    Position: yylex.(*Parser).builder.NewNodesPosition($1, $3),
-                    Left:  $1,
-                    OpTkn: $2,
-                    Right: $3,
-                }
-            }
-    |   expr '<' expr
-            {
-                $$ = &ast.ExprBinarySmaller{
-                    Position: yylex.(*Parser).builder.NewNodesPosition($1, $3),
-                    Left:  $1,
-                    OpTkn: $2,
-                    Right: $3,
-                }
-            }
-    |   expr T_IS_SMALLER_OR_EQUAL expr
-            {
-                $$ = &ast.ExprBinarySmallerOrEqual{
-                    Position: yylex.(*Parser).builder.NewNodesPosition($1, $3),
-                    Left:  $1,
-                    OpTkn: $2,
-                    Right: $3,
-                }
-            }
-    |   expr '>' expr
-            {
-                $$ = &ast.ExprBinaryGreater{
-                    Position: yylex.(*Parser).builder.NewNodesPosition($1, $3),
-                    Left:  $1,
-                    OpTkn: $2,
-                    Right: $3,
-                }
-            }
-    |   expr T_IS_GREATER_OR_EQUAL expr
-            {
-                $$ = &ast.ExprBinaryGreaterOrEqual{
-                    Position: yylex.(*Parser).builder.NewNodesPosition($1, $3),
-                    Left:  $1,
-                    OpTkn: $2,
-                    Right: $3,
-                }
-            }
-    |   expr T_INSTANCEOF class_name_reference
-            {
-                $$ = &ast.ExprInstanceOf{
-                    Position: yylex.(*Parser).builder.NewNodesPosition($1, $3),
-                    Expr:          $1,
-                    InstanceOfTkn: $2,
-                    Class:         $3,
-                }
-            }
-    |   parenthesis_expr
-            {
-                $$ = $1
-            }
-    |   new_expr
-            {
-                $$ = $1
-            }
-    |   '(' new_expr ')' instance_call
-            {
-                $$ = &ast.ExprBrackets{
-                    Position: yylex.(*Parser).builder.NewTokensPosition($1, $3),
-                    OpenParenthesisTkn:  $1,
-                    Expr:                $2,
-                    CloseParenthesisTkn: $3,
-                }
-
-                for _, n := range($4) {
-                    switch nn := n.(type) {
-                        case *ast.ExprFunctionCall:
-                            nn.Function = $$
-                            nn.Position = yylex.(*Parser).builder.NewNodesPosition($$, nn)
-                            $$ = nn
-
-                        case *ast.ExprArrayDimFetch:
-                            nn.Var = $$
-                            nn.Position = yylex.(*Parser).builder.NewNodesPosition($$, nn)
-                            $$ = nn
-
-                        case *ast.ExprPropertyFetch:
-                            nn.Var = $$
-                            nn.Position = yylex.(*Parser).builder.NewNodesPosition($$, nn)
-                            $$ = nn
-
-                        case *ast.ExprMethodCall:
-                            nn.Var = $$
-                            nn.Position = yylex.(*Parser).builder.NewNodesPosition($$, nn)
-                            $$ = nn
-                    }
-                }
-            }
-    |   expr '?' expr ':' expr
-            {
-                $$ = &ast.ExprTernary{
-                    Position: yylex.(*Parser).builder.NewNodesPosition($1, $5),
-                    Cond:        $1,
-                    QuestionTkn: $2,
-                    IfTrue:      $3,
-                    ColonTkn:    $4,
-                    IfFalse:     $5,
-                }
-            }
-    |   expr '?' ':' expr
-            {
-                $$ = &ast.ExprTernary{
-                    Position: yylex.(*Parser).builder.NewNodesPosition($1, $4),
-                    Cond:        $1,
-                    QuestionTkn: $2,
-                    ColonTkn:    $3,
-                    IfFalse:     $4,
-                }
-            }
-    |   internal_functions_in_yacc
-            {
-                $$ = $1
-            }
-    |   T_INT_CAST expr
-            {
-                $$ = &ast.ExprCastInt{
-                    Position: yylex.(*Parser).builder.NewTokenNodePosition($1, $2),
-                    CastTkn: $1,
-                    Expr:    $2,
-                }
-            }
-    |   T_DOUBLE_CAST expr
-            {
-                $$ = &ast.ExprCastDouble{
-                    Position: yylex.(*Parser).builder.NewTokenNodePosition($1, $2),
-                    CastTkn: $1,
-                    Expr:    $2,
-                }
-            }
-    |   T_STRING_CAST expr
-            {
-                $$ = &ast.ExprCastString{
-                    Position: yylex.(*Parser).builder.NewTokenNodePosition($1, $2),
-                    CastTkn: $1,
-                    Expr:    $2,
-                }
-            }
-    |   T_ARRAY_CAST expr
-            {
-                $$ = &ast.ExprCastArray{
-                    Position: yylex.(*Parser).builder.NewTokenNodePosition($1, $2),
-                    CastTkn: $1,
-                    Expr:    $2,
-                }
-            }
-    |   T_OBJECT_CAST expr
-            {
-                $$ = &ast.ExprCastObject{
-                    Position: yylex.(*Parser).builder.NewTokenNodePosition($1, $2),
-                    CastTkn: $1,
-                    Expr:    $2,
-                }
-            }
-    |   T_BOOL_CAST expr
-            {
-                $$ = &ast.ExprCastBool{
-                    Position: yylex.(*Parser).builder.NewTokenNodePosition($1, $2),
-                    CastTkn: $1,
-                    Expr:    $2,
-                }
-            }
-    |   T_UNSET_CAST expr
-            {
-                $$ = &ast.ExprCastUnset{
-                    Position: yylex.(*Parser).builder.NewTokenNodePosition($1, $2),
-                    CastTkn: $1,
-                    Expr:    $2,
-                }
-            }
-    |   T_EXIT exit_expr
-            {
-                exit := &ast.ExprExit{
-                    ExitTkn: $1,
-                }
-
-                if $2 == nil {
-                    exit.Position = yylex.(*Parser).builder.NewTokenPosition($1)
-                } else {
-                    exit.Position       = yylex.(*Parser).builder.NewTokenNodePosition($1, $2)
-                    exit.OpenParenthesisTkn  = $2.(*ast.ExprBrackets).OpenParenthesisTkn
-                    exit.Expr                = $2.(*ast.ExprBrackets).Expr
-                    exit.CloseParenthesisTkn = $2.(*ast.ExprBrackets).CloseParenthesisTkn
-                }
-
-                $$ = exit
-            }
-    |   '@' expr
-            {
-                $$ = &ast.ExprErrorSuppress{
-                    Position: yylex.(*Parser).builder.NewTokenNodePosition($1, $2),
-                    AtTkn: $1,
-                    Expr:  $2,
-                }
-            }
-    |   scalar
-            {
-                $$ = $1
-            }
-    |   combined_scalar_offset
-            {
-                $$ = $1
-            }
-    |   combined_scalar
-            {
-                $$ = $1
-            }
-    |   '`' backticks_expr '`'
-            {
-                $$ = &ast.ExprShellExec{
-                    Position: yylex.(*Parser).builder.NewTokensPosition($1, $3),
-                    OpenBacktickTkn:  $1,
-                    Parts:            $2,
-                    CloseBacktickTkn: $3,
-                }
-            }
-    |   T_PRINT expr
-            {
-                $$ = &ast.ExprPrint{
-                    Position: yylex.(*Parser).builder.NewTokenNodePosition($1, $2),
-                    PrintTkn: $1,
-                    Expr:     $2,
-                }
-            }
-    |   T_YIELD
-            {
-                $$ = &ast.ExprYield{
-                    Position: yylex.(*Parser).builder.NewTokenPosition($1),
-                    YieldTkn: $1,
-                }
-            }
-    |   function is_reference '(' parameter_list ')' lexical_vars '{' inner_statement_list '}'
-            {
-                closure := $6.(*ast.ExprClosure)
-
-                closure.Position             = yylex.(*Parser).builder.NewTokensPosition($1, $9)
-                closure.FunctionTkn          = $1
-                closure.AmpersandTkn         = $2
-                closure.OpenParenthesisTkn   = $3
-                closure.Params               = $4.(*ParserSeparatedList).Items
-                closure.SeparatorTkns        = $4.(*ParserSeparatedList).SeparatorTkns
-                closure.CloseParenthesisTkn  = $5
-                closure.OpenCurlyBracketTkn  = $7
-                closure.Stmts                = $8
-                closure.CloseCurlyBracketTkn = $9
-
-                $$ = closure
-            }
-    |   T_STATIC function is_reference '(' parameter_list ')' lexical_vars '{' inner_statement_list '}'
-            {
-                closure := $7.(*ast.ExprClosure)
-                
-                closure.Position             = yylex.(*Parser).builder.NewTokensPosition($1, $10)
-                closure.StaticTkn            = $1
-                closure.FunctionTkn          = $2
-                closure.AmpersandTkn         = $3
-                closure.OpenParenthesisTkn   = $4
-                closure.Params               = $5.(*ParserSeparatedList).Items
-                closure.SeparatorTkns        = $5.(*ParserSeparatedList).SeparatorTkns
-                closure.CloseParenthesisTkn  = $6
-                closure.OpenCurlyBracketTkn  = $8
-                closure.Stmts                = $9
-                closure.CloseCurlyBracketTkn = $10
-
-                $$ = closure
-            }
-;
-
-yield_expr:
-        T_YIELD expr_without_variable
-            {
-                $$ = &ast.ExprYield{
-                    Position: yylex.(*Parser).builder.NewTokenNodePosition($1, $2),
-                    YieldTkn: $1,
-                    Val:      $2,
-                }
-            }
-    |   T_YIELD variable
-            {
-                $$ = &ast.ExprYield{
-                    Position: yylex.(*Parser).builder.NewTokenNodePosition($1, $2),
-                    YieldTkn: $1,
-                    Val:      $2,
-                }
-            }
-    |   T_YIELD expr T_DOUBLE_ARROW expr_without_variable
-            {
-                $$ = &ast.ExprYield{
-                    Position: yylex.(*Parser).builder.NewTokenNodePosition($1, $4),
-                    YieldTkn:       $1,
-                    Key:            $2,
-                    DoubleArrowTkn: $3,
-                    Val:            $4,
-                }
-            }
-    |   T_YIELD expr T_DOUBLE_ARROW variable
-            {
-                $$ = &ast.ExprYield{
-                    Position: yylex.(*Parser).builder.NewTokenNodePosition($1, $4),
-                    YieldTkn:       $1,
-                    Key:            $2,
-                    DoubleArrowTkn: $3,
-                    Val:            $4,
-                }
-            }
-;
-
-combined_scalar_offset:
-        combined_scalar '[' dim_offset ']'
-            {
-                $$ = &ast.ExprArrayDimFetch{
-                    Position: yylex.(*Parser).builder.NewNodeTokenPosition($1, $4),
-                    Var:             $1,
-                    OpenBracketTkn:  $2,
-                    Dim:             $3,
-                    CloseBracketTkn: $4,
-                }
-            }
-    |   combined_scalar_offset '[' dim_offset ']'
-            {
-                $$ = &ast.ExprArrayDimFetch{
-                    Position: yylex.(*Parser).builder.NewNodeTokenPosition($1, $4),
-                    Var:             $1,
-                    OpenBracketTkn:  $2,
-                    Dim:             $3,
-                    CloseBracketTkn: $4,
-                }
-            }
-    |   T_CONSTANT_ENCAPSED_STRING '[' dim_offset ']'
-            {
-                $$ = &ast.ExprArrayDimFetch{
-                    Position: yylex.(*Parser).builder.NewTokensPosition($1, $4),
-                    Var: &ast.ScalarString{
-                        Position: yylex.(*Parser).builder.NewTokenPosition($1),
-                        StringTkn: $1,
-                        Value:     $1.Value,
-                    },
-                    OpenBracketTkn:  $2,
-                    Dim:             $3,
-                    CloseBracketTkn: $4,
-                }
-            }
-    |   general_constant '[' dim_offset ']'
-            {
-                $$ = &ast.ExprArrayDimFetch{
-                    Position: yylex.(*Parser).builder.NewNodeTokenPosition($1, $4),
-                    Var:             $1,
-                    OpenBracketTkn:  $2,
-                    Dim:             $3,
-                    CloseBracketTkn: $4,
-                }
-            }
-;
-
-combined_scalar:
-        T_ARRAY '(' array_pair_list ')'
-            {
-                $$ = &ast.ExprArray{
-                    Position: yylex.(*Parser).builder.NewTokensPosition($1, $4),
-                    ArrayTkn:        $1,
-                    OpenBracketTkn:  $2,
-                    Items:           $3.(*ParserSeparatedList).Items,
-                    SeparatorTkns:   $3.(*ParserSeparatedList).SeparatorTkns,
-                    CloseBracketTkn: $4,
-                }
-            }
-    |   '[' array_pair_list ']'
-            {
-                $$ = &ast.ExprArray{
-                    Position: yylex.(*Parser).builder.NewTokensPosition($1, $3),
-                    OpenBracketTkn:  $1,
-                    Items:           $2.(*ParserSeparatedList).Items,
-                    SeparatorTkns:   $2.(*ParserSeparatedList).SeparatorTkns,
-                    CloseBracketTkn: $3,
-                }
-            }
-;
-
-function:
-    T_FUNCTION
-            {
-                $$ = $1
-            }
-;
-
-lexical_vars:
-        /* empty */
-            {
-                $$ = &ast.ExprClosure{}
-            }
-    |   T_USE '(' lexical_var_list ')'
-            {
-                $$ = &ast.ExprClosure{
-                    UseTkn:                 $1,
-                    UseOpenParenthesisTkn:  $2,
-                    Uses:                   $3.(*ParserSeparatedList).Items,
-                    UseSeparatorTkns:       $3.(*ParserSeparatedList).SeparatorTkns,
-                    UseCloseParenthesisTkn: $4,
-                }
-            }
-;
-
-lexical_var_list:
-        lexical_var_list ',' T_VARIABLE
-            {
-                variable := &ast.ExprClosureUse{
-                    Position: yylex.(*Parser).builder.NewTokenPosition($3),
-                    Var: &ast.ExprVariable{
-                        Position: yylex.(*Parser).builder.NewTokenPosition($3),
-                        Name: &ast.Identifier{
-                            Position: yylex.(*Parser).builder.NewTokenPosition($3),
-                            IdentifierTkn: $3,
-                            Value:         $3.Value,
-                        },
-                    },
-                }
-
-                $1.(*ParserSeparatedList).SeparatorTkns = append($1.(*ParserSeparatedList).SeparatorTkns, $2)
-                $1.(*ParserSeparatedList).Items = append($1.(*ParserSeparatedList).Items, variable)
-
-                $$ = $1
-            }
-    |   lexical_var_list ',' '&' T_VARIABLE
-            {
-                variable := &ast.ExprClosureUse{
-                    Position: yylex.(*Parser).builder.NewTokensPosition($3, $4),
-                    AmpersandTkn: $3,
-                    Var: &ast.ExprVariable{
-                        Position: yylex.(*Parser).builder.NewTokenPosition($4),
-                        Name: &ast.Identifier{
-                            Position: yylex.(*Parser).builder.NewTokenPosition($4),
-                            IdentifierTkn: $4,
-                            Value:         $4.Value,
-                        },
-                    },
-                }
-
-                $1.(*ParserSeparatedList).SeparatorTkns = append($1.(*ParserSeparatedList).SeparatorTkns, $2)
-                $1.(*ParserSeparatedList).Items = append($1.(*ParserSeparatedList).Items, variable)
-
-                $$ = $1
-            }
-    |   T_VARIABLE
-            {
-                variable := &ast.ExprClosureUse{
-                    Position: yylex.(*Parser).builder.NewTokenPosition($1),
-                    Var: &ast.ExprVariable{
-                        Position: yylex.(*Parser).builder.NewTokenPosition($1),
-                        Name: &ast.Identifier{
-                            Position: yylex.(*Parser).builder.NewTokenPosition($1),
-                            IdentifierTkn: $1,
-                            Value:         $1.Value,
-                        },
-                    },
-                }
-
-                $$ = &ParserSeparatedList{
-                    Items: []ast.Vertex{ variable },
-                }
-            }
-    |   '&' T_VARIABLE
-            {
-                variable := &ast.ExprClosureUse{
-                    Position: yylex.(*Parser).builder.NewTokensPosition($1, $2),
-                    AmpersandTkn: $1,
-                    Var: &ast.ExprVariable{
-                        Position: yylex.(*Parser).builder.NewTokenPosition($2),
-                        Name: &ast.Identifier{
-                            Position: yylex.(*Parser).builder.NewTokenPosition($2),
-                            IdentifierTkn: $2,
-                            Value:         $2.Value,
-                        },
-                    },
-                }
-
-                $$ = &ParserSeparatedList{
-                    Items: []ast.Vertex{ variable },
-                }
-            }
-;
-
-function_call:
-        namespace_name function_call_parameter_list
-            {
-                $$ = &ast.ExprFunctionCall{
-                    Position: yylex.(*Parser).builder.NewNodeListNodePosition($1.(*ParserSeparatedList).Items, $2),
-                    Function: &ast.Name{
-                        Position: yylex.(*Parser).builder.NewNodeListPosition($1.(*ParserSeparatedList).Items),
-                        Parts:         $1.(*ParserSeparatedList).Items,
-                        SeparatorTkns: $1.(*ParserSeparatedList).SeparatorTkns,
-                    },
-                    OpenParenthesisTkn:  $2.(*ArgumentList).OpenParenthesisTkn,
-                    Args:                $2.(*ArgumentList).Arguments,
-                    SeparatorTkns:       $2.(*ArgumentList).SeparatorTkns,
-                    CloseParenthesisTkn: $2.(*ArgumentList).CloseParenthesisTkn,
-                }
-            }
-    |   T_NAMESPACE T_NS_SEPARATOR namespace_name function_call_parameter_list
-            {
-                $$ = &ast.ExprFunctionCall{
-                    Position: yylex.(*Parser).builder.NewTokenNodePosition($1, $4),
-                    Function: &ast.NameRelative{
-                        Position: yylex.(*Parser).builder.NewTokenNodeListPosition($1, $3.(*ParserSeparatedList).Items),
-                        NsTkn:          $1,
-                        NsSeparatorTkn: $2,
-                        Parts:          $3.(*ParserSeparatedList).Items,
-                        SeparatorTkns:  $3.(*ParserSeparatedList).SeparatorTkns,
-                    },
-                    OpenParenthesisTkn:  $4.(*ArgumentList).OpenParenthesisTkn,
-                    Args:                $4.(*ArgumentList).Arguments,
-                    SeparatorTkns:       $4.(*ArgumentList).SeparatorTkns,
-                    CloseParenthesisTkn: $4.(*ArgumentList).CloseParenthesisTkn,
-                }
-            }
-    |   T_NS_SEPARATOR namespace_name function_call_parameter_list
-            {
-                $$ = &ast.ExprFunctionCall{
-                    Position: yylex.(*Parser).builder.NewTokenNodePosition($1, $3),
-                    Function: &ast.NameFullyQualified{
-                        Position: yylex.(*Parser).builder.NewTokenNodeListPosition($1, $2.(*ParserSeparatedList).Items),
-                        NsSeparatorTkn: $1,
-                        Parts:          $2.(*ParserSeparatedList).Items,
-                        SeparatorTkns:  $2.(*ParserSeparatedList).SeparatorTkns,
-                    },
-                    OpenParenthesisTkn:  $3.(*ArgumentList).OpenParenthesisTkn,
-                    Args:                $3.(*ArgumentList).Arguments,
-                    SeparatorTkns:       $3.(*ArgumentList).SeparatorTkns,
-                    CloseParenthesisTkn: $3.(*ArgumentList).CloseParenthesisTkn,
-                }
-            }
-    |   class_name T_PAAMAYIM_NEKUDOTAYIM variable_name function_call_parameter_list
-            {
-                staticCall := &ast.ExprStaticCall{
-                    Position: yylex.(*Parser).builder.NewNodesPosition($1, $4),
-                    Class:               $1,
-                    DoubleColonTkn:      $2,
-                    Call:                $3,
-                    OpenParenthesisTkn:  $4.(*ArgumentList).OpenParenthesisTkn,
-                    Args:                $4.(*ArgumentList).Arguments,
-                    SeparatorTkns:       $4.(*ArgumentList).SeparatorTkns,
-                    CloseParenthesisTkn: $4.(*ArgumentList).CloseParenthesisTkn,
-                }
-
-                if brackets, ok := $3.(*ParserBrackets); ok {
-                    staticCall.OpenCurlyBracketTkn  = brackets.OpenBracketTkn
-                    staticCall.Call                 = brackets.Child
-                    staticCall.CloseCurlyBracketTkn = brackets.CloseBracketTkn
-                }
-
-                $$ = staticCall
-            }
-    |   class_name T_PAAMAYIM_NEKUDOTAYIM variable_without_objects function_call_parameter_list
-            {
-                $$ = &ast.ExprStaticCall{
-                    Position: yylex.(*Parser).builder.NewNodesPosition($1, $4),
-                    Class:               $1,
-                    DoubleColonTkn:      $2,
-                    Call:                $3,
-                    OpenParenthesisTkn:  $4.(*ArgumentList).OpenParenthesisTkn,
-                    Args:                $4.(*ArgumentList).Arguments,
-                    SeparatorTkns:       $4.(*ArgumentList).SeparatorTkns,
-                    CloseParenthesisTkn: $4.(*ArgumentList).CloseParenthesisTkn,
-                }
-            }
-    |   variable_class_name T_PAAMAYIM_NEKUDOTAYIM variable_name function_call_parameter_list
-            {
-                staticCall := &ast.ExprStaticCall{
-                    Position: yylex.(*Parser).builder.NewNodesPosition($1, $4),
-                    Class:               $1,
-                    DoubleColonTkn:      $2,
-                    Call:                $3,
-                    OpenParenthesisTkn:  $4.(*ArgumentList).OpenParenthesisTkn,
-                    Args:                $4.(*ArgumentList).Arguments,
-                    SeparatorTkns:       $4.(*ArgumentList).SeparatorTkns,
-                    CloseParenthesisTkn: $4.(*ArgumentList).CloseParenthesisTkn,
-                }
-
-                if brackets, ok := $3.(*ParserBrackets); ok {
-                    staticCall.OpenCurlyBracketTkn  = brackets.OpenBracketTkn
-                    staticCall.Call                 = brackets.Child
-                    staticCall.CloseCurlyBracketTkn = brackets.CloseBracketTkn
-                }
-
-                $$ = staticCall
-            }
-    |   variable_class_name T_PAAMAYIM_NEKUDOTAYIM variable_without_objects function_call_parameter_list
-            {
-                $$ = &ast.ExprStaticCall{
-                    Position: yylex.(*Parser).builder.NewNodesPosition($1, $4),
-                    Class:               $1,
-                    DoubleColonTkn:      $2,
-                    Call:                $3,
-                    OpenParenthesisTkn:  $4.(*ArgumentList).OpenParenthesisTkn,
-                    Args:                $4.(*ArgumentList).Arguments,
-                    SeparatorTkns:       $4.(*ArgumentList).SeparatorTkns,
-                    CloseParenthesisTkn: $4.(*ArgumentList).CloseParenthesisTkn,
-                }
-            }
-    |   variable_without_objects function_call_parameter_list
-            {
-                $$ = &ast.ExprFunctionCall{
-                    Position: yylex.(*Parser).builder.NewNodesPosition($1, $2),
-                    Function:            $1,
-                    OpenParenthesisTkn:  $2.(*ArgumentList).OpenParenthesisTkn,
-                    Args:                $2.(*ArgumentList).Arguments,
-                    SeparatorTkns:       $2.(*ArgumentList).SeparatorTkns,
-                    CloseParenthesisTkn: $2.(*ArgumentList).CloseParenthesisTkn,
-                }
-            }
-;
-
-class_name:
-        T_STATIC
-            {
-                $$ = &ast.Identifier{
-                    Position: yylex.(*Parser).builder.NewTokenPosition($1),
-                    IdentifierTkn: $1,
-                    Value:         $1.Value,
-                }
-            }
-    |   namespace_name
-            {
-                $$ = &ast.Name{
-                    Position: yylex.(*Parser).builder.NewNodeListPosition($1.(*ParserSeparatedList).Items),
-                    Parts:         $1.(*ParserSeparatedList).Items,
-                    SeparatorTkns: $1.(*ParserSeparatedList).SeparatorTkns,
-                }
-            }
-    |   T_NAMESPACE T_NS_SEPARATOR namespace_name
-            {
-                $$ = &ast.NameRelative{
-                    Position: yylex.(*Parser).builder.NewTokenNodeListPosition($1, $3.(*ParserSeparatedList).Items),
-                    NsTkn:          $1,
-                    NsSeparatorTkn: $2,
-                    Parts:          $3.(*ParserSeparatedList).Items,
-                    SeparatorTkns:  $3.(*ParserSeparatedList).SeparatorTkns,
-                }
-            }
-    |   T_NS_SEPARATOR namespace_name
-            {
-                $$ = &ast.NameFullyQualified{
-                    Position: yylex.(*Parser).builder.NewTokenNodeListPosition($1, $2.(*ParserSeparatedList).Items),
-                    NsSeparatorTkn: $1,
-                    Parts:          $2.(*ParserSeparatedList).Items,
-                    SeparatorTkns:  $2.(*ParserSeparatedList).SeparatorTkns,
-                }
-            }
-;
-
-fully_qualified_class_name:
-        namespace_name
-            {
-                $$ = &ast.Name{
-                    Position: yylex.(*Parser).builder.NewNodeListPosition($1.(*ParserSeparatedList).Items),
-                    Parts:         $1.(*ParserSeparatedList).Items,
-                    SeparatorTkns: $1.(*ParserSeparatedList).SeparatorTkns,
-                }
-            }
-    |   T_NAMESPACE T_NS_SEPARATOR namespace_name
-            {
-                $$ = &ast.NameRelative{
-                    Position: yylex.(*Parser).builder.NewTokenNodeListPosition($1, $3.(*ParserSeparatedList).Items),
-                    NsTkn:          $1,
-                    NsSeparatorTkn: $2,
-                    Parts:          $3.(*ParserSeparatedList).Items,
-                    SeparatorTkns:  $3.(*ParserSeparatedList).SeparatorTkns,
-                }
-            }
-    |   T_NS_SEPARATOR namespace_name
-            {
-                $$ = &ast.NameFullyQualified{
-                    Position: yylex.(*Parser).builder.NewTokenNodeListPosition($1, $2.(*ParserSeparatedList).Items),
-                    NsSeparatorTkn: $1,
-                    Parts:          $2.(*ParserSeparatedList).Items,
-                    SeparatorTkns:  $2.(*ParserSeparatedList).SeparatorTkns,
-                }
-            }
-;
-
-class_name_reference:
-        class_name
-            {
-                $$ = $1
-            }
-    |   dynamic_class_name_reference
-            {
-                $$ = $1
-            }
-;
-
-dynamic_class_name_reference:
-        base_variable T_OBJECT_OPERATOR object_property dynamic_class_name_variable_properties
-            {
-                $$ = $1
-
-                $3[0].(*ast.ExprPropertyFetch).ObjectOperatorTkn = $2
-
-                for _, n := range($3) {
-                    switch nn := n.(type) {
-                        case *ast.ExprArrayDimFetch:
-                            nn.Var = $$
-                            *$$.GetPosition() = *yylex.(*Parser).builder.NewNodesPosition($$, nn)
-                            $$ = nn
-
-                        case *ast.ExprPropertyFetch:
-                            nn.Var = $$
-                            *$$.GetPosition() = *yylex.(*Parser).builder.NewNodesPosition($$, nn)
-                            $$ = nn
-                    }
-                }
-
-                for _, n := range($4) {
-                    switch nn := n.(type) {
-                        case *ast.ExprArrayDimFetch:
-                            nn.Var = $$
-                            *$$.GetPosition() = *yylex.(*Parser).builder.NewNodesPosition($$, nn)
-                            $$ = nn
-
-                        case *ast.ExprPropertyFetch:
-                            nn.Var = $$
-                            *$$.GetPosition() = *yylex.(*Parser).builder.NewNodesPosition($$, nn)
-                            $$ = nn
-                    }
-                }
-            }
-    |   base_variable
-            {
-                $$ = $1
-            }
-;
-
-
-dynamic_class_name_variable_properties:
-        dynamic_class_name_variable_properties dynamic_class_name_variable_property
-            {
-                $$ = append($1, $2...)
-            }
-    |   /* empty */
-            {
-                $$ = []ast.Vertex{}
-            }
-;
-
-
-dynamic_class_name_variable_property:
-        T_OBJECT_OPERATOR object_property
-            {
-                $2[0].(*ast.ExprPropertyFetch).ObjectOperatorTkn = $1
-
-                $$ = $2
-            }
-;
-
-exit_expr:
-        /* empty */
-            {
-                $$ = nil
-            }
-    |   '(' ')'
-            {
-                $$ = &ast.ExprBrackets{
-                    Position: yylex.(*Parser).builder.NewTokensPosition($1, $2),
-                    OpenParenthesisTkn:  $1,
-                    CloseParenthesisTkn: $2,
-                }
-            }
-    |   parenthesis_expr
-            {
-                $$ = $1
-            }
-;
-
-backticks_expr:
-        /* empty */
-            {
-                $$ = []ast.Vertex{}
-            }
-    |   T_ENCAPSED_AND_WHITESPACE
-            {
-                $$ = []ast.Vertex{
-                    &ast.ScalarEncapsedStringPart{
-                        Position: yylex.(*Parser).builder.NewTokenPosition($1),
-                        EncapsedStrTkn: $1,
-                        Value:          $1.Value,
-                    },
-                }
-            }
-    |   encaps_list
-            {
-                $$ = $1;
-            }
-;
-
-ctor_arguments:
-        /* empty */
-            {
-                $$ = nil
-            }
-    |   function_call_parameter_list
-            {
-                $$ = $1
-            }
-;
-
-common_scalar:
-        T_LNUMBER
-            {
-                $$ = &ast.ScalarLnumber{
-                    Position: yylex.(*Parser).builder.NewTokenPosition($1),
-                    NumberTkn: $1,
-                    Value:     $1.Value,
-                }
-            }
-    |   T_DNUMBER
-            {
-                $$ = &ast.ScalarDnumber{
-                    Position: yylex.(*Parser).builder.NewTokenPosition($1),
-                    NumberTkn: $1,
-                    Value:     $1.Value,
-                }
-            }
-    |   T_CONSTANT_ENCAPSED_STRING
-            {
-                $$ = &ast.ScalarString{
-                    Position: yylex.(*Parser).builder.NewTokenPosition($1),
-                    StringTkn: $1,
-                    Value:     $1.Value,
-                }
-            }
-    |   T_LINE
-            {
-                $$ = &ast.ScalarMagicConstant{
-                    Position: yylex.(*Parser).builder.NewTokenPosition($1),
-                    MagicConstTkn: $1,
-                    Value:         $1.Value,
-                }
-            }
-    |   T_FILE
-            {
-                $$ = &ast.ScalarMagicConstant{
-                    Position: yylex.(*Parser).builder.NewTokenPosition($1),
-                    MagicConstTkn: $1,
-                    Value:         $1.Value,
-                }
-            }
-    |   T_DIR
-            {
-                $$ = &ast.ScalarMagicConstant{
-                    Position: yylex.(*Parser).builder.NewTokenPosition($1),
-                    MagicConstTkn: $1,
-                    Value:         $1.Value,
-                }
-            }
-    |   T_TRAIT_C
-            {
-                $$ = &ast.ScalarMagicConstant{
-                    Position: yylex.(*Parser).builder.NewTokenPosition($1),
-                    MagicConstTkn: $1,
-                    Value:         $1.Value,
-                }
-            }
-    |   T_METHOD_C
-            {
-                $$ = &ast.ScalarMagicConstant{
-                    Position: yylex.(*Parser).builder.NewTokenPosition($1),
-                    MagicConstTkn: $1,
-                    Value:         $1.Value,
-                }
-            }
-    |   T_FUNC_C
-            {
-                $$ = &ast.ScalarMagicConstant{
-                    Position: yylex.(*Parser).builder.NewTokenPosition($1),
-                    MagicConstTkn: $1,
-                    Value:         $1.Value,
-                }
-            }
-    |   T_NS_C
-            {
-                $$ = &ast.ScalarMagicConstant{
-                    Position: yylex.(*Parser).builder.NewTokenPosition($1),
-                    MagicConstTkn: $1,
-                    Value:         $1.Value,
-                }
-            }
-    |   T_START_HEREDOC T_ENCAPSED_AND_WHITESPACE T_END_HEREDOC
-            {
-                $$ = &ast.ScalarHeredoc{
-                    Position: yylex.(*Parser).builder.NewTokensPosition($1, $3),
-                    OpenHeredocTkn: $1,
-                    Parts: []ast.Vertex{
-                        &ast.ScalarEncapsedStringPart{
-                            Position: yylex.(*Parser).builder.NewTokenPosition($2),
-                            EncapsedStrTkn: $2,
-                            Value:          $2.Value,
-                        },
-                    },
-                    CloseHeredocTkn: $3,
-                }
-            }
-    |   T_START_HEREDOC T_END_HEREDOC
-            {
-                $$ = &ast.ScalarHeredoc{
-                    Position: yylex.(*Parser).builder.NewTokensPosition($1, $2),
-                    OpenHeredocTkn:  $1,
-                    CloseHeredocTkn: $2,
-                }
-            }
-;
-
-static_class_constant:
-        class_name T_PAAMAYIM_NEKUDOTAYIM T_STRING
-            {
-                $$ = &ast.ExprClassConstFetch{
-                    Position: yylex.(*Parser).builder.NewNodeTokenPosition($1, $3),
-                    Class:          $1,
-                    DoubleColonTkn: $2,
-                    Const: &ast.Identifier{
-                        Position: yylex.(*Parser).builder.NewTokenPosition($3),
-                        IdentifierTkn: $3,
-                        Value:         $3.Value,
-                    },
-                }
-            }
-;
-
-static_scalar:
-        static_scalar_value
-            {
-                $$ = $1
-            }
-;
-
-static_scalar_value:
-        common_scalar
-            {
-                $$ = $1
-            }
-    |   static_class_name_scalar
-            {
-                $$ = $1
-            }
-    |   namespace_name
-            {
-                $$ = &ast.ExprConstFetch{
-                    Position: yylex.(*Parser).builder.NewNodeListPosition($1.(*ParserSeparatedList).Items),
-                    Const: &ast.Name{
-                        Position: yylex.(*Parser).builder.NewNodeListPosition($1.(*ParserSeparatedList).Items),
-                        Parts:         $1.(*ParserSeparatedList).Items,
-                        SeparatorTkns: $1.(*ParserSeparatedList).SeparatorTkns,
-                    },
-                }
-            }
-    |   T_NAMESPACE T_NS_SEPARATOR namespace_name
-            {
-                $$ = &ast.ExprConstFetch{
-                    Position: yylex.(*Parser).builder.NewTokenNodeListPosition($1, $3.(*ParserSeparatedList).Items),
-                    Const: &ast.NameRelative{
-                        Position: yylex.(*Parser).builder.NewTokenNodeListPosition($1, $3.(*ParserSeparatedList).Items),
-                        NsTkn:          $1,
-                        NsSeparatorTkn: $2,
-                        Parts:          $3.(*ParserSeparatedList).Items,
-                        SeparatorTkns:  $3.(*ParserSeparatedList).SeparatorTkns,
-                    },
-                }
-            }
-    |   T_NS_SEPARATOR namespace_name
-            {
-                $$ = &ast.ExprConstFetch{
-                    Position: yylex.(*Parser).builder.NewTokenNodeListPosition($1, $2.(*ParserSeparatedList).Items),
-                    Const: &ast.NameFullyQualified{
-                        Position: yylex.(*Parser).builder.NewTokenNodeListPosition($1, $2.(*ParserSeparatedList).Items),
-                        NsSeparatorTkn: $1,
-                        Parts:          $2.(*ParserSeparatedList).Items,
-                        SeparatorTkns:  $2.(*ParserSeparatedList).SeparatorTkns,
-                    },
-                }
-            }
-    |   T_ARRAY '(' static_array_pair_list ')'
-            {
-                $$ = &ast.ExprArray{
-                    Position: yylex.(*Parser).builder.NewTokensPosition($1, $4),
-                    ArrayTkn:        $1,
-                    OpenBracketTkn:  $2,
-                    Items:           $3.(*ParserSeparatedList).Items,
-                    SeparatorTkns:   $3.(*ParserSeparatedList).SeparatorTkns,
-                    CloseBracketTkn: $4,
-                }
-            }
-    |   '[' static_array_pair_list ']'
-            {
-                $$ = &ast.ExprArray{
-                    Position: yylex.(*Parser).builder.NewTokensPosition($1, $3),
-                    OpenBracketTkn:  $1,
-                    Items:           $2.(*ParserSeparatedList).Items,
-                    SeparatorTkns:   $2.(*ParserSeparatedList).SeparatorTkns,
-                    CloseBracketTkn: $3,
-                }
-            }
-    |   static_class_constant
-            {
-                $$ = $1
-            }
-    |   T_CLASS_C
-            {
-                $$ = &ast.ScalarMagicConstant{
-                    Position: yylex.(*Parser).builder.NewTokenPosition($1),
-                    MagicConstTkn: $1,
-                    Value:         $1.Value,
-                }
-            }
-    |   static_operation
-            {
-                $$ = $1
-            }
-;
-
-static_operation:
-        static_scalar_value '[' static_scalar_value ']'
-            {
-                $$ = &ast.ExprArrayDimFetch{
-                    Position: yylex.(*Parser).builder.NewNodeTokenPosition($1, $4),
-                    Var:             $1,
-                    OpenBracketTkn:  $2,
-                    Dim:             $3,
-                    CloseBracketTkn: $4,
-                }
-            }
-    |   static_scalar_value '+' static_scalar_value
-            {
-                $$ = &ast.ExprBinaryPlus{
-                    Position: yylex.(*Parser).builder.NewNodesPosition($1, $3),
-                    Left:  $1,
-                    OpTkn: $2,
-                    Right: $3,
-                }
-            }
-    |   static_scalar_value '-' static_scalar_value
-            {
-                $$ = &ast.ExprBinaryMinus{
-                    Position: yylex.(*Parser).builder.NewNodesPosition($1, $3),
-                    Left:  $1,
-                    OpTkn: $2,
-                    Right: $3,
-                }
-            }
-    |   static_scalar_value '*' static_scalar_value
-            {
-                $$ = &ast.ExprBinaryMul{
-                    Position: yylex.(*Parser).builder.NewNodesPosition($1, $3),
-                    Left:  $1,
-                    OpTkn: $2,
-                    Right: $3,
-                }
-            }
-    |   static_scalar_value T_POW static_scalar_value
-            {
-                $$ = &ast.ExprBinaryPow{
-                    Position: yylex.(*Parser).builder.NewNodesPosition($1, $3),
-                    Left:  $1,
-                    OpTkn: $2,
-                    Right: $3,
-                }
-            }
-    |   static_scalar_value '/' static_scalar_value
-            {
-                $$ = &ast.ExprBinaryDiv{
-                    Position: yylex.(*Parser).builder.NewNodesPosition($1, $3),
-                    Left:  $1,
-                    OpTkn: $2,
-                    Right: $3,
-                }
-            }
-    |   static_scalar_value '%' static_scalar_value
-            {
-                $$ = &ast.ExprBinaryMod{
-                    Position: yylex.(*Parser).builder.NewNodesPosition($1, $3),
-                    Left:  $1,
-                    OpTkn: $2,
-                    Right: $3,
-                }
-            }
-    |   '!' static_scalar_value
-            {
-                $$ = &ast.ExprBooleanNot{
-                    Position: yylex.(*Parser).builder.NewTokenNodePosition($1, $2),
-                    ExclamationTkn: $1,
-                    Expr:           $2,
-                }
-            }
-    |   '~' static_scalar_value
-            {
-                $$ = &ast.ExprBitwiseNot{
-                    Position: yylex.(*Parser).builder.NewTokenNodePosition($1, $2),
-                    TildaTkn: $1,
-                    Expr:     $2,
-                }
-            }
-    |   static_scalar_value '|' static_scalar_value
-            {
-                $$ = &ast.ExprBinaryBitwiseOr{
-                    Position: yylex.(*Parser).builder.NewNodesPosition($1, $3),
-                    Left:  $1,
-                    OpTkn: $2,
-                    Right: $3,
-                }
-            }
-    |   static_scalar_value '&' static_scalar_value
-            {
-                $$ = &ast.ExprBinaryBitwiseAnd{
-                    Position: yylex.(*Parser).builder.NewNodesPosition($1, $3),
-                    Left:  $1,
-                    OpTkn: $2,
-                    Right: $3,
-                }
-            }
-    |   static_scalar_value '^' static_scalar_value
-            {
-                $$ = &ast.ExprBinaryBitwiseXor{
-                    Position: yylex.(*Parser).builder.NewNodesPosition($1, $3),
-                    Left:  $1,
-                    OpTkn: $2,
-                    Right: $3,
-                }
-            }
-    |   static_scalar_value T_SL static_scalar_value
-            {
-                $$ = &ast.ExprBinaryShiftLeft{
-                    Position: yylex.(*Parser).builder.NewNodesPosition($1, $3),
-                    Left:  $1,
-                    OpTkn: $2,
-                    Right: $3,
-                }
-            }
-    |   static_scalar_value T_SR static_scalar_value
-            {
-                $$ = &ast.ExprBinaryShiftRight{
-                    Position: yylex.(*Parser).builder.NewNodesPosition($1, $3),
-                    Left:  $1,
-                    OpTkn: $2,
-                    Right: $3,
-                }
-            }
-    |   static_scalar_value '.' static_scalar_value
-            {
-                $$ = &ast.ExprBinaryConcat{
-                    Position: yylex.(*Parser).builder.NewNodesPosition($1, $3),
-                    Left:  $1,
-                    OpTkn: $2,
-                    Right: $3,
-                }
-            }
-    |   static_scalar_value T_LOGICAL_XOR static_scalar_value
-            {
-                $$ = &ast.ExprBinaryLogicalXor{
-                    Position: yylex.(*Parser).builder.NewNodesPosition($1, $3),
-                    Left:  $1,
-                    OpTkn: $2,
-                    Right: $3,
-                }
-            }
-    |   static_scalar_value T_LOGICAL_AND static_scalar_value
-            {
-                $$ = &ast.ExprBinaryLogicalAnd{
-                    Position: yylex.(*Parser).builder.NewNodesPosition($1, $3),
-                    Left:  $1,
-                    OpTkn: $2,
-                    Right: $3,
-                }
-            }
-    |   static_scalar_value T_LOGICAL_OR static_scalar_value
-            {
-                $$ = &ast.ExprBinaryLogicalOr{
-                    Position: yylex.(*Parser).builder.NewNodesPosition($1, $3),
-                    Left:  $1,
-                    OpTkn: $2,
-                    Right: $3,
-                }
-            }
-    |   static_scalar_value T_BOOLEAN_AND static_scalar_value
-            {
-                $$ = &ast.ExprBinaryBooleanAnd{
-                    Position: yylex.(*Parser).builder.NewNodesPosition($1, $3),
-                    Left:  $1,
-                    OpTkn: $2,
-                    Right: $3,
-                }
-            }
-    |   static_scalar_value T_BOOLEAN_OR static_scalar_value
-            {
-                $$ = &ast.ExprBinaryBooleanOr{
-                    Position: yylex.(*Parser).builder.NewNodesPosition($1, $3),
-                    Left:  $1,
-                    OpTkn: $2,
-                    Right: $3,
-                }
-            }
-    |   static_scalar_value T_IS_IDENTICAL static_scalar_value
-            {
-                $$ = &ast.ExprBinaryIdentical{
-                    Position: yylex.(*Parser).builder.NewNodesPosition($1, $3),
-                    Left:  $1,
-                    OpTkn: $2,
-                    Right: $3,
-                }
-            }
-    |   static_scalar_value T_IS_NOT_IDENTICAL static_scalar_value
-            {
-                $$ = &ast.ExprBinaryNotIdentical{
-                    Position: yylex.(*Parser).builder.NewNodesPosition($1, $3),
-                    Left:  $1,
-                    OpTkn: $2,
-                    Right: $3,
-                }
-            }
-    |   static_scalar_value T_IS_EQUAL static_scalar_value
-            {
-                $$ = &ast.ExprBinaryEqual{
-                    Position: yylex.(*Parser).builder.NewNodesPosition($1, $3),
-                    Left:  $1,
-                    OpTkn: $2,
-                    Right: $3,
-                }
-            }
-    |   static_scalar_value T_IS_NOT_EQUAL static_scalar_value
-            {
-                $$ = &ast.ExprBinaryNotEqual{
-                    Position: yylex.(*Parser).builder.NewNodesPosition($1, $3),
-                    Left:  $1,
-                    OpTkn: $2,
-                    Right: $3,
-                }
-            }
-    |   static_scalar_value '<' static_scalar_value
-            {
-                $$ = &ast.ExprBinarySmaller{
-                    Position: yylex.(*Parser).builder.NewNodesPosition($1, $3),
-                    Left:  $1,
-                    OpTkn: $2,
-                    Right: $3,
-                }
-            }
-    |   static_scalar_value '>' static_scalar_value
-            {
-                $$ = &ast.ExprBinaryGreater{
-                    Position: yylex.(*Parser).builder.NewNodesPosition($1, $3),
-                    Left:  $1,
-                    OpTkn: $2,
-                    Right: $3,
-                }
-            }
-    |   static_scalar_value T_IS_SMALLER_OR_EQUAL static_scalar_value
-            {
-                $$ = &ast.ExprBinarySmallerOrEqual{
-                    Position: yylex.(*Parser).builder.NewNodesPosition($1, $3),
-                    Left:  $1,
-                    OpTkn: $2,
-                    Right: $3,
-                }
-            }
-    |   static_scalar_value T_IS_GREATER_OR_EQUAL static_scalar_value
-            {
-                $$ = &ast.ExprBinaryGreaterOrEqual{
-                    Position: yylex.(*Parser).builder.NewNodesPosition($1, $3),
-                    Left:  $1,
-                    OpTkn: $2,
-                    Right: $3,
-                }
-            }
-    |   static_scalar_value '?' ':' static_scalar_value
-            {
-                $$ = &ast.ExprTernary{
-                    Position: yylex.(*Parser).builder.NewNodesPosition($1, $4),
-                    Cond:        $1,
-                    QuestionTkn: $2,
-                    ColonTkn:    $3,
-                    IfFalse:     $4,
-                }
-            }
-    |   static_scalar_value '?' static_scalar_value ':' static_scalar_value
-            {
-                $$ = &ast.ExprTernary{
-                    Position: yylex.(*Parser).builder.NewNodesPosition($1, $5),
-                    Cond:        $1,
-                    QuestionTkn: $2,
-                    IfTrue:      $3,
-                    ColonTkn:    $4,
-                    IfFalse:     $5,
-                }
-            }
-    |   '+' static_scalar_value
-            {
-                $$ = &ast.ExprUnaryPlus{
-                    Position: yylex.(*Parser).builder.NewTokenNodePosition($1, $2),
-                    PlusTkn: $1,
-                    Expr:    $2,
-                }
-            }
-    |   '-' static_scalar_value
-            {
-                $$ = &ast.ExprUnaryMinus{
-                    Position: yylex.(*Parser).builder.NewTokenNodePosition($1, $2),
-                    MinusTkn: $1,
-                    Expr:     $2,
-                }
-            }
-    |   '(' static_scalar_value ')'
-            {
-                $$ = &ast.ExprBrackets{
-                    Position: yylex.(*Parser).builder.NewTokensPosition($1, $3),
-                    OpenParenthesisTkn:  $1,
-                    Expr:                $2,
-                    CloseParenthesisTkn: $3,
-                }
-            }
-;
-
-general_constant:
-        class_constant
-            {
-                $$ = $1
-            }
-    |   namespace_name
-            {
-                $$ = &ast.ExprConstFetch{
-                    Position: yylex.(*Parser).builder.NewNodeListPosition($1.(*ParserSeparatedList).Items),
-                    Const: &ast.Name{
-                        Position: yylex.(*Parser).builder.NewNodeListPosition($1.(*ParserSeparatedList).Items),
-                        Parts:         $1.(*ParserSeparatedList).Items,
-                        SeparatorTkns: $1.(*ParserSeparatedList).SeparatorTkns,
-                    },
-                }
-            }
-    |   T_NAMESPACE T_NS_SEPARATOR namespace_name
-            {
-                $$ = &ast.ExprConstFetch{
-                    Position: yylex.(*Parser).builder.NewTokenNodeListPosition($1, $3.(*ParserSeparatedList).Items),
-                    Const: &ast.NameRelative{
-                        Position: yylex.(*Parser).builder.NewTokenNodeListPosition($1, $3.(*ParserSeparatedList).Items),
-                        NsTkn:          $1,
-                        NsSeparatorTkn: $2,
-                        Parts:          $3.(*ParserSeparatedList).Items,
-                        SeparatorTkns:  $3.(*ParserSeparatedList).SeparatorTkns,
-                    },
-                }
-            }
-    |   T_NS_SEPARATOR namespace_name
-            {
-                $$ = &ast.ExprConstFetch{
-                    Position: yylex.(*Parser).builder.NewTokenNodeListPosition($1, $2.(*ParserSeparatedList).Items),
-                    Const: &ast.NameFullyQualified{
-                        Position: yylex.(*Parser).builder.NewTokenNodeListPosition($1, $2.(*ParserSeparatedList).Items),
-                        NsSeparatorTkn: $1,
-                        Parts:          $2.(*ParserSeparatedList).Items,
-                        SeparatorTkns:  $2.(*ParserSeparatedList).SeparatorTkns,
-                    },
-                }
-            }
-;
-
-scalar:
-        T_STRING_VARNAME
-            {
-                $$ = &ast.ExprVariable{
-                    Position: yylex.(*Parser).builder.NewTokenPosition($1),
-                    Name: &ast.Identifier{
-                        Position: yylex.(*Parser).builder.NewTokenPosition($1),
-                        IdentifierTkn: $1,
-                        Value:         $1.Value,
-                    },
-                }
-            }
-    |   general_constant
-            {
-                $$ = $1
-            }
-    |   class_name_scalar
-            {
-                $$ = $1
-            }
-    |   common_scalar
-            {
-                $$ = $1
-            }
-    |   '"' encaps_list '"'
-            {
-                $$ = &ast.ScalarEncapsed{
-                    Position: yylex.(*Parser).builder.NewTokensPosition($1, $3),
-                    OpenQuoteTkn:  $1,
-                    Parts:         $2,
-                    CloseQuoteTkn: $3,
-                }
-            }
-    |   T_START_HEREDOC encaps_list T_END_HEREDOC
-            {
-                $$ = &ast.ScalarHeredoc{
-                    Position: yylex.(*Parser).builder.NewTokensPosition($1, $3),
-                    OpenHeredocTkn:  $1,
-                    Parts:           $2,
-                    CloseHeredocTkn: $3,
-                }
-            }
-    |   T_CLASS_C
-            {
-                $$ = &ast.ScalarMagicConstant{
-                    Position: yylex.(*Parser).builder.NewTokenPosition($1),
-                    MagicConstTkn: $1,
-                    Value:         $1.Value,
-                }
-            }
-;
-
-static_array_pair_list:
-        /* empty */
-            {
-                $$ = &ParserSeparatedList{}
-            }
-    |   non_empty_static_array_pair_list possible_comma
-            {
-                if $2 != nil {
-                    $1.(*ParserSeparatedList).SeparatorTkns = append($1.(*ParserSeparatedList).SeparatorTkns, $2)
-                    $1.(*ParserSeparatedList).Items = append($1.(*ParserSeparatedList).Items, &ast.ExprArrayItem{})
-                }
-
-                $$ = $1
-            }
-;
-
-possible_comma:
-        /* empty */
-            {
-                $$ = nil
-            }
-    |   ','
-            {
-                $$ = $1
-            }
-;
-
-non_empty_static_array_pair_list:
-        non_empty_static_array_pair_list ',' static_scalar_value T_DOUBLE_ARROW static_scalar_value
-            {
-                arrayItem := &ast.ExprArrayItem{
-                    Position: yylex.(*Parser).builder.NewNodesPosition($3, $5),
-                    Key:            $3,
-                    DoubleArrowTkn: $4,
-                    Val:            $5,
-                }
-
-                $1.(*ParserSeparatedList).SeparatorTkns = append($1.(*ParserSeparatedList).SeparatorTkns, $2)
-                $1.(*ParserSeparatedList).Items = append($1.(*ParserSeparatedList).Items, arrayItem)
-
-                $$ = $1
-            }
-    |   non_empty_static_array_pair_list ',' static_scalar_value
-            {
-                arrayItem := &ast.ExprArrayItem{
-                    Position: yylex.(*Parser).builder.NewNodePosition($3),
-                    Val: $3,
-                }
-
-                $1.(*ParserSeparatedList).SeparatorTkns = append($1.(*ParserSeparatedList).SeparatorTkns, $2)
-                $1.(*ParserSeparatedList).Items = append($1.(*ParserSeparatedList).Items, arrayItem)
-
-                $$ = $1
-            }
-    |   static_scalar_value T_DOUBLE_ARROW static_scalar_value
-            {
-                $$ = &ParserSeparatedList{
-                    Items: []ast.Vertex{
-                        &ast.ExprArrayItem{
-                            Position: yylex.(*Parser).builder.NewNodesPosition($1, $3),
-                            Key:            $1,
-                            DoubleArrowTkn: $2,
-                            Val:            $3,
-                        },
-                    },
-                }
-            }
-    |   static_scalar_value
-            {
-                $$ = &ParserSeparatedList{
-                    Items: []ast.Vertex{
-                        &ast.ExprArrayItem{
-                            Position: yylex.(*Parser).builder.NewNodePosition($1),
-                            Val: $1,
-                        },
-                    },
-                }
-            }
-;
-
-expr:
-        r_variable
-            {
-                $$ = $1
-            }
-    |   expr_without_variable
-            {
-                $$ = $1
-            }
-;
-
-parenthesis_expr:
-        '(' expr ')'
-            {
-                $$ = &ast.ExprBrackets{
-                    Position: yylex.(*Parser).builder.NewTokensPosition($1, $3),
-                    OpenParenthesisTkn:  $1,
-                    Expr:                $2,
-                    CloseParenthesisTkn: $3,
-                }
-            }
-    |   '(' yield_expr ')'
-            {
-                $$ = &ast.ExprBrackets{
-                    Position: yylex.(*Parser).builder.NewTokensPosition($1, $3),
-                    OpenParenthesisTkn:  $1,
-                    Expr:                $2,
-                    CloseParenthesisTkn: $3,
-                }
-            }
-;
-
-
-r_variable:
-        variable
-            {
-                $$ = $1
-            }
-;
-
-
-w_variable:
-        variable
-            {
-                $$ = $1
-            }
-;
-
-rw_variable:
-        variable
-            {
-                $$ = $1
-            }
-;
-
-variable:
-        base_variable_with_function_calls T_OBJECT_OPERATOR object_property method_or_not variable_properties
-            {
-                $$ = $1
-
-                $3[0].(*ast.ExprPropertyFetch).ObjectOperatorTkn = $2
-
-                if $4 != nil {
-                    last := $3[len($3)-1]
-                    switch l := last.(type) {
-                        case *ast.ExprArrayDimFetch:
-                            mc := $4[0].(*ast.ExprMethodCall)
-                            $3 = append($3, &ast.ExprFunctionCall{
-                                    Position: yylex.(*Parser).builder.NewNodePosition(mc),
-                                    OpenParenthesisTkn:  mc.OpenParenthesisTkn,
-                                    Args:                mc.Args,
-                                    SeparatorTkns:       mc.SeparatorTkns,
-                                    CloseParenthesisTkn: mc.CloseParenthesisTkn,
-                                },
-                            )
-                            $3 = append($3, $4[1:len($4)]...)
-                        case *ast.ExprPropertyFetch:
-                            $4[0].(*ast.ExprMethodCall).OpenCurlyBracketTkn = l.OpenCurlyBracketTkn
-                            $4[0].(*ast.ExprMethodCall).Method = l.Prop
-                            $4[0].(*ast.ExprMethodCall).CloseCurlyBracketTkn = l.CloseCurlyBracketTkn
-                            $4[0].(*ast.ExprMethodCall).ObjectOperatorTkn = l.ObjectOperatorTkn
-                            $3 = append($3[:len($3)-1], $4...)
-                    }
-                }
-
-                for _, n := range($3) {
-                    switch nn := n.(type) {
-                        case *ast.ExprFunctionCall:
-                            nn.Function = $$
-                            nn.Position = yylex.(*Parser).builder.NewNodesPosition($$, nn)
-                            $$ = nn
-
-                        case *ast.ExprArrayDimFetch:
-                            nn.Var = $$
-                            nn.Position = yylex.(*Parser).builder.NewNodesPosition($$, nn)
-                            $$ = nn
-
-                        case *ast.ExprPropertyFetch:
-                            nn.Var = $$
-                            nn.Position = yylex.(*Parser).builder.NewNodesPosition($$, nn)
-                            $$ = nn
-
-                        case *ast.ExprMethodCall:
-                            nn.Var = $$
-                            nn.Position = yylex.(*Parser).builder.NewNodesPosition($$, nn)
-                            $$ = nn
-                    }
-                }
-
-                for _, n := range($5) {
-                    switch nn := n.(type) {
-                        case *ast.ExprFunctionCall:
-                            nn.Function = $$
-                            nn.Position = yylex.(*Parser).builder.NewNodesPosition($$, nn)
-                            $$ = nn
-
-                        case *ast.ExprArrayDimFetch:
-                            nn.Var = $$
-                            nn.Position = yylex.(*Parser).builder.NewNodesPosition($$, nn)
-                            $$ = nn
-
-                        case *ast.ExprPropertyFetch:
-                            nn.Var = $$
-                            nn.Position = yylex.(*Parser).builder.NewNodesPosition($$, nn)
-                            $$ = nn
-
-                        case *ast.ExprMethodCall:
-                            nn.Var = $$
-                            nn.Position = yylex.(*Parser).builder.NewNodesPosition($$, nn)
-                            $$ = nn
-                    }
-                }
-            }
-    |   base_variable_with_function_calls
-            {
-                $$ = $1
-            }
-;
-
-variable_properties:
-        variable_properties variable_property
-            {
-                $$ = append($1, $2...)
-            }
-    |   /* empty */
-            {
-                $$ = []ast.Vertex{}
-            }
-;
-
-
-variable_property:
-        T_OBJECT_OPERATOR object_property method_or_not
-            {
-                $2[0].(*ast.ExprPropertyFetch).ObjectOperatorTkn = $1
-
-                if $3 != nil {
-                    last := $2[len($2)-1]
-                    switch l := last.(type) {
-                        case *ast.ExprArrayDimFetch:
-                            mc := $3[0].(*ast.ExprMethodCall)
-                            $2 = append($2, &ast.ExprFunctionCall{
-                                    Position: yylex.(*Parser).builder.NewNodePosition(mc),
-                                    OpenParenthesisTkn:  mc.OpenParenthesisTkn,
-                                    Args:                mc.Args,
-                                    SeparatorTkns:       mc.SeparatorTkns,
-                                    CloseParenthesisTkn: mc.OpenParenthesisTkn,
-                                },
-                            )
-                            $2 = append($2, $3[1:len($3)]...)
-                        case *ast.ExprPropertyFetch:
-                            $3[0].(*ast.ExprMethodCall).OpenCurlyBracketTkn = l.OpenCurlyBracketTkn
-                            $3[0].(*ast.ExprMethodCall).Method = l.Prop
-                            $3[0].(*ast.ExprMethodCall).CloseCurlyBracketTkn = l.CloseCurlyBracketTkn
-                            $3[0].(*ast.ExprMethodCall).ObjectOperatorTkn = l.ObjectOperatorTkn
-                            $2 = append($2[:len($2)-1], $3...)
-                    }
-                }
-
-                $$ = $2
-            }
-;
-
-array_method_dereference:
-        array_method_dereference '[' dim_offset ']'
-            {
-                fetch := &ast.ExprArrayDimFetch{
-                    Position: yylex.(*Parser).builder.NewTokensPosition($2, $4),
-                    Var:             nil,
-                    OpenBracketTkn:  $2,
-                    Dim:             $3,
-                    CloseBracketTkn: $4,
-                }
-
-                $$ = append($1, fetch)
-            }
-    |   method '[' dim_offset ']'
-            {
-                fetch := &ast.ExprArrayDimFetch{
-                    Position: yylex.(*Parser).builder.NewTokensPosition($2, $4),
-                    Var:             nil,
-                    OpenBracketTkn:  $2,
-                    Dim:             $3,
-                    CloseBracketTkn: $4,
-                }
-
-                $$ = []ast.Vertex{$1, fetch}
-            }
-;
-
-method:
-        function_call_parameter_list
-            {
-                $$ = &ast.ExprMethodCall{
-                    Position: yylex.(*Parser).builder.NewNodePosition($1),
-                    OpenParenthesisTkn:  $1.(*ArgumentList).OpenParenthesisTkn,
-                    Args:                $1.(*ArgumentList).Arguments,
-                    SeparatorTkns:       $1.(*ArgumentList).SeparatorTkns,
-                    CloseParenthesisTkn: $1.(*ArgumentList).CloseParenthesisTkn,
-                }
-            }
-;
-
-method_or_not:
-        method
-            {
-                $$ = []ast.Vertex{$1}
-            }
-    |   array_method_dereference
-            {
-                $$ = $1
-            }
-    |   /* empty */
-            {
-                $$ = nil
-            }
-;
-
-variable_without_objects:
-        reference_variable
-            {
-                $$ = $1
-            }
-    |   simple_indirect_reference reference_variable
-            {
-                for i := len($1)-1; i>=0; i-- {
-                    $1[i].(*ast.ExprVariable).Name = $2
-                    $1[i].(*ast.ExprVariable).Position = yylex.(*Parser).builder.NewNodesPosition($1[i], $2)
-                    $2 = $1[i]
-                }
-
-                $$ = $1[0]
-            }
-;
-
-static_member:
-        class_name T_PAAMAYIM_NEKUDOTAYIM variable_without_objects
-            {
-                $$ = &ast.ExprStaticPropertyFetch{
-                    Position: yylex.(*Parser).builder.NewNodesPosition($1, $3),
-                    Class:          $1,
-                    DoubleColonTkn: $2,
-                    Prop:           $3,
-                }
-            }
-    |   variable_class_name T_PAAMAYIM_NEKUDOTAYIM variable_without_objects
-            {
-                $$ = &ast.ExprStaticPropertyFetch{
-                    Position: yylex.(*Parser).builder.NewNodesPosition($1, $3),
-                    Class:          $1,
-                    DoubleColonTkn: $2,
-                    Prop:           $3,
-                }
-            }
-;
-
-variable_class_name:
-        reference_variable
-            {
-                $$ = $1
-            }
-;
-
-array_function_dereference:
-        array_function_dereference '[' dim_offset ']'
-            {
-                $$ = &ast.ExprArrayDimFetch{
-                    Position: yylex.(*Parser).builder.NewNodeTokenPosition($1, $4),
-                    Var:             $1,
-                    OpenBracketTkn:  $2,
-                    Dim:             $3,
-                    CloseBracketTkn: $4,
-                }
-            }
-    |   function_call '[' dim_offset ']'
-            {
-                $$ = &ast.ExprArrayDimFetch{
-                    Position: yylex.(*Parser).builder.NewNodeTokenPosition($1, $4),
-                    Var:             $1,
-                    OpenBracketTkn:  $2,
-                    Dim:             $3,
-                    CloseBracketTkn: $4,
-                }
-            }
-;
-
-base_variable_with_function_calls:
-        base_variable
-            {
-                $$ = $1
-            }
-    |   array_function_dereference
-            {
-                $$ = $1
-            }
-    |   function_call
-            {
-                $$ = $1
-            }
-;
-
-
-base_variable:
-        reference_variable
-            {
-                $$ = $1
-            }
-    |   simple_indirect_reference reference_variable
-            {
-                for i := len($1)-1; i>=0; i-- {
-                    $1[i].(*ast.ExprVariable).Name = $2
-                    $1[i].(*ast.ExprVariable).Position = yylex.(*Parser).builder.NewNodesPosition($1[i], $2)
-                    $2 = $1[i]
-                }
-
-                $$ = $1[0]
-            }
-    |   static_member
-            {
-                $$ = $1
-            }
-;
-
-reference_variable:
-        reference_variable '[' dim_offset ']'
-            {
-                $$ = &ast.ExprArrayDimFetch{
-                    Position: yylex.(*Parser).builder.NewNodeTokenPosition($1, $4),
-                    Var:             $1,
-                    OpenBracketTkn:  $2,
-                    Dim:             $3,
-                    CloseBracketTkn: $4,
-                }
-            }
-    |   reference_variable '{' expr '}'
-            {
-                $$ = &ast.ExprArrayDimFetch{
-                    Position: yylex.(*Parser).builder.NewNodeTokenPosition($1, $4),
-                    Var:             $1,
-                    OpenBracketTkn:  $2,
-                    Dim:             $3,
-                    CloseBracketTkn: $4,
-                }
-            }
-    |   compound_variable
-            {
-                $$ = $1
-            }
-;
-
-
-compound_variable:
-        T_VARIABLE
-            {
-                $$ = &ast.ExprVariable{
-                    Position: yylex.(*Parser).builder.NewTokenPosition($1),
-                    Name: &ast.Identifier{
-                        Position: yylex.(*Parser).builder.NewTokenPosition($1),
-                        IdentifierTkn: $1,
-                        Value:         $1.Value,
-                    },
-                }
-            }
-    |   '$' '{' expr '}'
-            {
-                $$ = &ast.ExprVariable{
-                    Position:             yylex.(*Parser).builder.NewTokensPosition($1, $4),
-                    DollarTkn:            $1,
-                    OpenCurlyBracketTkn:  $2,
-                    Name:                 $3,
-                    CloseCurlyBracketTkn: $4,
-                }
-            }
-;
-
-dim_offset:
-        /* empty */
-            {
-                $$ = nil
-            }
-    |   expr
-            {
-                $$ = $1
-            }
-;
-
-
-object_property:
-        object_dim_list
-            {
-                $$ = $1
-            }
-    |   variable_without_objects
-            {
-                $$ = []ast.Vertex{
-                    &ast.ExprPropertyFetch{
-                        Position: yylex.(*Parser).builder.NewNodePosition($1),
-                        Prop:     $1,
-                    },
-                }
-            }
-;
-
-object_dim_list:
-        object_dim_list '[' dim_offset ']'
-            {
-                fetch := &ast.ExprArrayDimFetch{
-                    Position: yylex.(*Parser).builder.NewTokensPosition($2, $4),
-                    Var:             nil,
-                    OpenBracketTkn:  $2,
-                    Dim:             $3,
-                    CloseBracketTkn: $4,
-                }
-
-                $$ = append($1, fetch)
-            }
-    |   object_dim_list '{' expr '}'
-            {
-                fetch := &ast.ExprArrayDimFetch{
-                    Position: yylex.(*Parser).builder.NewTokensPosition($2, $4),
-                    Var:             nil,
-                    OpenBracketTkn:  $2,
-                    Dim:             $3,
-                    CloseBracketTkn: $4,
-                }
-
-                $$ = append($1, fetch)
-            }
-    |   variable_name
-            {
-                property := &ast.ExprPropertyFetch{
-                    Position: yylex.(*Parser).builder.NewNodePosition($1),
-                    Prop:     $1,
-                }
-
-                if brackets, ok := $1.(*ParserBrackets); ok {
-                    property.OpenCurlyBracketTkn  = brackets.OpenBracketTkn
-                    property.Prop                 = brackets.Child
-                    property.CloseCurlyBracketTkn = brackets.CloseBracketTkn
-                }
-
-                $$ = []ast.Vertex{ property }
-            }
-;
-
-variable_name:
-        T_STRING
-            {
-                $$ = &ast.Identifier{
-                    Position: yylex.(*Parser).builder.NewTokenPosition($1),
-                    IdentifierTkn: $1,
-                    Value:         $1.Value,
-                }
-            }
-    |   '{' expr '}'
-            {
-                $$ = &ParserBrackets{
-                    Position: yylex.(*Parser).builder.NewTokensPosition($1, $3),
-                    OpenBracketTkn:  $1,
-                    Child:           $2,
-                    CloseBracketTkn: $3,
-                }
-            }
-;
-
-simple_indirect_reference:
-        '$'
-            {
-                $$ = []ast.Vertex{
-                    &ast.ExprVariable{
-                        Position: yylex.(*Parser).builder.NewTokenPosition($1),
-                        DollarTkn: $1,
-                    },
-                }
-            }
-    |   simple_indirect_reference '$'
-            {
-                $$ = append($1, &ast.ExprVariable{
-                    Position: yylex.(*Parser).builder.NewTokenPosition($2),
-                    DollarTkn: $2,
-                })
-            }
-;
-
-assignment_list:
-        assignment_list ',' assignment_list_element
-            {
-                $1.(*ParserSeparatedList).SeparatorTkns = append($1.(*ParserSeparatedList).SeparatorTkns, $2)
-                $1.(*ParserSeparatedList).Items = append($1.(*ParserSeparatedList).Items, $3)
-
-                $$ = $1
-            }
-    |   assignment_list_element
-            {
-                $$ = &ParserSeparatedList{
-                    Items: []ast.Vertex{$1},
-                }
-            }
-;
-
-
-assignment_list_element:
-        variable
-            {
-                $$ = &ast.ExprArrayItem{
-                    Position: yylex.(*Parser).builder.NewNodePosition($1),
-                    Val: $1,
-                }
-            }
-    |   T_LIST '(' assignment_list ')'
-            {
-                pairList := $3.(*ParserSeparatedList)
-                fistPair := pairList.Items[0].(*ast.ExprArrayItem)
-
-                if fistPair.Key == nil && fistPair.Val == nil && len(pairList.Items) == 1 {
-                    pairList.Items = nil
-                }
-
-                $$ = &ast.ExprArrayItem{
-                    Position: yylex.(*Parser).builder.NewTokensPosition($1, $4),
-                    Val: &ast.ExprList{
-                        Position: yylex.(*Parser).builder.NewTokensPosition($1, $4),
-                        ListTkn:         $1,
-                        OpenBracketTkn:  $2,
-                        Items:           $3.(*ParserSeparatedList).Items,
-                        SeparatorTkns:   $3.(*ParserSeparatedList).SeparatorTkns,
-                        CloseBracketTkn: $4,
-                    },
-                }
-            }
-    |   /* empty */
-            {
-                $$ = &ast.ExprArrayItem{}
-            }
-;
-
-
-array_pair_list:
-        /* empty */
-            {
-                $$ = &ParserSeparatedList{}
-            }
-    |   non_empty_array_pair_list possible_comma
-            {
-                if $2 != nil {
-                    $1.(*ParserSeparatedList).SeparatorTkns = append($1.(*ParserSeparatedList).SeparatorTkns, $2)
-                    $1.(*ParserSeparatedList).Items = append($1.(*ParserSeparatedList).Items, &ast.ExprArrayItem{})
-                }
-
-                $$ = $1
-            }
-;
-
-non_empty_array_pair_list:
-        non_empty_array_pair_list ',' expr T_DOUBLE_ARROW expr
-            {
-                arrayItem := &ast.ExprArrayItem{
-                    Position: yylex.(*Parser).builder.NewNodesPosition($3, $5),
-                    Key:            $3,
-                    DoubleArrowTkn: $4,
-                    Val:            $5,
-                }
-
-                $1.(*ParserSeparatedList).SeparatorTkns = append($1.(*ParserSeparatedList).SeparatorTkns, $2)
-                $1.(*ParserSeparatedList).Items = append($1.(*ParserSeparatedList).Items, arrayItem)
-
-                $$ = $1
-            }
-    |   non_empty_array_pair_list ',' expr
-            {
-                arrayItem := &ast.ExprArrayItem{
-                    Position: yylex.(*Parser).builder.NewNodePosition($3),
-                    Val:            $3,
-                }
-
-                $1.(*ParserSeparatedList).SeparatorTkns = append($1.(*ParserSeparatedList).SeparatorTkns, $2)
-                $1.(*ParserSeparatedList).Items = append($1.(*ParserSeparatedList).Items, arrayItem)
-
-                $$ = $1
-            }
-    |   expr T_DOUBLE_ARROW expr
-            {
-                $$ = &ParserSeparatedList{
-                    Items: []ast.Vertex{
-                        &ast.ExprArrayItem{
-                            Position: yylex.(*Parser).builder.NewNodesPosition($1, $3),
-                            Key:            $1,
-                            DoubleArrowTkn: $2,
-                            Val:            $3,
-                        },
-                    },
-                }
-            }
-    |   expr
-            {
-                $$ = &ParserSeparatedList{
-                    Items: []ast.Vertex{
-                        &ast.ExprArrayItem{
-                            Position: yylex.(*Parser).builder.NewNodePosition($1),
-                            Val: $1,
-                        },
-                    },
-                }
-            }
-    |   non_empty_array_pair_list ',' expr T_DOUBLE_ARROW '&' w_variable
-            {
-                arrayItem := &ast.ExprArrayItem{
-                    Position:       yylex.(*Parser).builder.NewNodesPosition($3, $6),
-                    Key:            $3,
-                    DoubleArrowTkn: $4,
-                    AmpersandTkn:   $5,
-                    Val:            $6,
-                }
-
-                $1.(*ParserSeparatedList).SeparatorTkns = append($1.(*ParserSeparatedList).SeparatorTkns, $2)
-                $1.(*ParserSeparatedList).Items = append($1.(*ParserSeparatedList).Items, arrayItem)
-
-                $$ = $1
-            }
-    |   non_empty_array_pair_list ',' '&' w_variable
-            {
-                arrayItem := &ast.ExprArrayItem{
-                    Position:     yylex.(*Parser).builder.NewTokenNodePosition($3, $4),
-                    AmpersandTkn: $3,
-                    Val:          $4,
-                }
-
-                $1.(*ParserSeparatedList).SeparatorTkns = append($1.(*ParserSeparatedList).SeparatorTkns, $2)
-                $1.(*ParserSeparatedList).Items = append($1.(*ParserSeparatedList).Items, arrayItem)
-
-                $$ = $1
-            }
-    |   expr T_DOUBLE_ARROW '&' w_variable
-            {
-                $$ = &ParserSeparatedList{
-                    Items: []ast.Vertex{
-                        &ast.ExprArrayItem{
-                            Position:       yylex.(*Parser).builder.NewNodesPosition($1, $4),
-                            Key:            $1,
-                            DoubleArrowTkn: $2,
-                            AmpersandTkn:   $3,
-                            Val:            $4,
-                        },
-                    },
-                }
-            }
-    |   '&' w_variable
-            {
-                $$ = &ParserSeparatedList{
-                    Items: []ast.Vertex{
-                        &ast.ExprArrayItem{
-                            Position:     yylex.(*Parser).builder.NewTokenNodePosition($1, $2),
-                            AmpersandTkn: $1,
-                            Val:          $2,
-                        },
-                    },
-                }
-            }
-;
-
-encaps_list:
-        encaps_list encaps_var
-            {
-                $$ = append($1, $2)
-            }
-    |   encaps_list T_ENCAPSED_AND_WHITESPACE
-            {
-                $$ = append(
-                    $1,
-                    &ast.ScalarEncapsedStringPart{
-                        Position: yylex.(*Parser).builder.NewTokenPosition($2),
-                        EncapsedStrTkn: $2,
-                        Value:          $2.Value,
-                    },
-                )
-            }
-    |   encaps_var
-            {
-                $$ = []ast.Vertex{$1}
-            }
-    |   T_ENCAPSED_AND_WHITESPACE encaps_var
-            {
-                $$ = []ast.Vertex{
-                    &ast.ScalarEncapsedStringPart{
-                        Position: yylex.(*Parser).builder.NewTokenPosition($1),
-                        EncapsedStrTkn: $1,
-                        Value:          $1.Value,
-                    },
-                    $2,
-                }
-            }
-;
-
-encaps_var:
-        T_VARIABLE
-            {
-                $$ = &ast.ExprVariable{
-                    Position: yylex.(*Parser).builder.NewTokenPosition($1),
-                    Name: &ast.Identifier{
-                        Position: yylex.(*Parser).builder.NewTokenPosition($1),
-                        IdentifierTkn: $1,
-                        Value:         $1.Value,
-                    },
-                }
-            }
-    |   T_VARIABLE '[' encaps_var_offset ']'
-            {
-                $$ = &ast.ExprArrayDimFetch{
-                    Position: yylex.(*Parser).builder.NewTokensPosition($1, $4),
-                    Var: &ast.ExprVariable{
-                        Position: yylex.(*Parser).builder.NewTokenPosition($1),
-                        Name: &ast.Identifier{
-                            Position: yylex.(*Parser).builder.NewTokenPosition($1),
-                            IdentifierTkn: $1,
-                            Value:         $1.Value,
-                        },
-                    },
-                    OpenBracketTkn:  $2,
-                    Dim:             $3,
-                    CloseBracketTkn: $4,
-                }
-            }
-    |   T_VARIABLE T_OBJECT_OPERATOR T_STRING
-            {
-                $$ = &ast.ExprPropertyFetch{
-                    Position: yylex.(*Parser).builder.NewTokensPosition($1, $3),
-                    Var: &ast.ExprVariable{
-                        Position: yylex.(*Parser).builder.NewTokenPosition($1),
-                        Name: &ast.Identifier{
-                            Position: yylex.(*Parser).builder.NewTokenPosition($1),
-                            IdentifierTkn: $1,
-                            Value:         $1.Value,
-                        },
-                    },
-                    ObjectOperatorTkn: $2,
-                    Prop: &ast.Identifier{
-                        Position: yylex.(*Parser).builder.NewTokenPosition($3),
-                        IdentifierTkn: $3,
-                        Value:         $3.Value,
-                    },
-                }
-            }
-    |   T_DOLLAR_OPEN_CURLY_BRACES expr '}'
-            {
-                $$ = &ast.ScalarEncapsedStringVar{
-                    Position:                  yylex.(*Parser).builder.NewTokensPosition($1, $3),
-                    DollarOpenCurlyBracketTkn: $1,
-                    Name:                      $2,
-                    CloseCurlyBracketTkn:      $3,
-                }
-            }
-    |   T_DOLLAR_OPEN_CURLY_BRACES T_STRING_VARNAME '}'
-            {
-                $$ = &ast.ScalarEncapsedStringVar{
-                    Position:                  yylex.(*Parser).builder.NewTokensPosition($1, $3),
-                    DollarOpenCurlyBracketTkn: $1,
-                    Name: &ast.Identifier{
-                        Position: yylex.(*Parser).builder.NewTokenPosition($2),
-                        IdentifierTkn: $2,
-                        Value:         $2.Value,
-                    },
-                    CloseCurlyBracketTkn: $3,
-                }
-            }
-    |   T_DOLLAR_OPEN_CURLY_BRACES T_STRING_VARNAME '[' expr ']' '}'
-            {
-                $$ = &ast.ScalarEncapsedStringVar{
-                    Position:                  yylex.(*Parser).builder.NewTokensPosition($1, $3),
-                    DollarOpenCurlyBracketTkn: $1,
-                    Name: &ast.Identifier{
-                        Position: yylex.(*Parser).builder.NewTokenPosition($2),
-                        IdentifierTkn: $2,
-                        Value:         $2.Value,
-                    },
-                    OpenSquareBracketTkn:  $3,
-                    Dim:                   $4,
-                    CloseSquareBracketTkn: $5,
-                    CloseCurlyBracketTkn:  $6,
-                }
-            }
-    |   T_CURLY_OPEN variable '}'
-            {
-                $$ = &ast.ScalarEncapsedStringBrackets{
-                    Position:             yylex.(*Parser).builder.NewTokensPosition($1, $3),
-                    OpenCurlyBracketTkn:  $1,
-                    Var:                  $2,
-                    CloseCurlyBracketTkn: $3,
-                }
-            }
-;
-
-encaps_var_offset:
-        T_STRING
-            {
-                $$ = &ast.ScalarString{
-                    Position: yylex.(*Parser).builder.NewTokenPosition($1),
-                    StringTkn: $1,
-                    Value:     $1.Value,
-                }
-            }
-    |   T_NUM_STRING
-            {
-                // TODO: add option to handle 64 bit integer
-                if _, err := strconv.Atoi(string($1.Value)); err == nil {
-                    $$ = &ast.ScalarLnumber{
-                        Position: yylex.(*Parser).builder.NewTokenPosition($1),
-                        NumberTkn: $1,
-                        Value:     $1.Value,
-                    }
-                } else {
-                    $$ = &ast.ScalarString{
-                        Position: yylex.(*Parser).builder.NewTokenPosition($1),
-                        StringTkn: $1,
-                        Value:     $1.Value,
-                    }
-                }
-            }
-    |   T_VARIABLE
-            {
-                $$ = &ast.ExprVariable{
-                    Position: yylex.(*Parser).builder.NewTokenPosition($1),
-                    Name: &ast.Identifier{
-                        Position: yylex.(*Parser).builder.NewTokenPosition($1),
-                        IdentifierTkn: $1,
-                        Value:         $1.Value,
-                    },
-                }
-            }
-;
-
-internal_functions_in_yacc:
-        T_ISSET '(' isset_variables ')'
-            {
-                $$ = &ast.ExprIsset{
-                    Position: yylex.(*Parser).builder.NewTokensPosition($1, $4),
-                    IssetTkn:            $1,
-                    OpenParenthesisTkn:  $2,
-                    Vars:                $3.(*ParserSeparatedList).Items,
-                    SeparatorTkns:       $3.(*ParserSeparatedList).SeparatorTkns,
-                    CloseParenthesisTkn: $4,
-                }
-            }
-    |   T_EMPTY '(' variable ')'
-            {
-                $$ = &ast.ExprEmpty{
-                    Position: yylex.(*Parser).builder.NewTokensPosition($1, $4),
-                    EmptyTkn:            $1,
-                    OpenParenthesisTkn:  $2,
-                    Expr:                $3,
-                    CloseParenthesisTkn: $4,
-                }
-            }
-    |   T_EMPTY '(' expr ')'
-            {
-                $$ = &ast.ExprEmpty{
-                    Position: yylex.(*Parser).builder.NewTokensPosition($1, $4),
-                    EmptyTkn:            $1,
-                    OpenParenthesisTkn:  $2,
-                    Expr:                $3,
-                    CloseParenthesisTkn: $4,
-                }
-            }
-    |   T_INCLUDE expr
-            {
-                $$ = &ast.ExprInclude{
-                    Position: yylex.(*Parser).builder.NewTokenNodePosition($1, $2),
-                    IncludeTkn: $1,
-                    Expr:       $2,
-                }
-            }
-    |   T_INCLUDE_ONCE expr
-            {
-                $$ = &ast.ExprIncludeOnce{
-                    Position:       yylex.(*Parser).builder.NewTokenNodePosition($1, $2),
-                    IncludeOnceTkn: $1,
-                    Expr:           $2,
-                }
-            }
-    |   T_EVAL '(' expr ')'
-            {
-                $$ = &ast.ExprEval{
-                    Position: yylex.(*Parser).builder.NewTokensPosition($1, $4),
-                    EvalTkn:             $1,
-                    OpenParenthesisTkn:  $2,
-                    Expr:                $3,
-                    CloseParenthesisTkn: $4,
-                }
-            }
-    |   T_REQUIRE expr
-            {
-                $$ = &ast.ExprRequire{
-                    Position: yylex.(*Parser).builder.NewTokenNodePosition($1, $2),
-                    RequireTkn: $1,
-                    Expr:       $2,
-                }
-            }
-    |   T_REQUIRE_ONCE expr
-            {
-                $$ = &ast.ExprRequireOnce{
-                    Position: yylex.(*Parser).builder.NewTokenNodePosition($1, $2),
-                    RequireOnceTkn: $1,
-                    Expr:           $2,
-                }
-            }
-;
-
-isset_variables:
-        isset_variable
-            {
-                $$ = &ParserSeparatedList{
-                    Items: []ast.Vertex{$1},
-                }
-            }
-    |   isset_variables ',' isset_variable
-            {
-                $1.(*ParserSeparatedList).SeparatorTkns = append($1.(*ParserSeparatedList).SeparatorTkns, $2)
-                $1.(*ParserSeparatedList).Items = append($1.(*ParserSeparatedList).Items, $3)
-
-                $$ = $1
-            }
-;
-
-isset_variable:
-        variable
-            {
-                $$ = $1
-            }
-    |   expr_without_variable
-            {
-                $$ = $1
-            }
-;
-
-class_constant:
-        class_name T_PAAMAYIM_NEKUDOTAYIM T_STRING
-            {
-                $$ = &ast.ExprClassConstFetch{
-                    Position: yylex.(*Parser).builder.NewNodeTokenPosition($1, $3),
-                    Class:          $1,
-                    DoubleColonTkn: $2,
-                    Const: &ast.Identifier{
-                        Position: yylex.(*Parser).builder.NewTokenPosition($3),
-                        IdentifierTkn: $3,
-                        Value:         $3.Value,
-                    },
-                }
-            }
-    |   variable_class_name T_PAAMAYIM_NEKUDOTAYIM T_STRING
-            {
-                $$ = &ast.ExprClassConstFetch{
-                    Position: yylex.(*Parser).builder.NewNodeTokenPosition($1, $3),
-                    Class:          $1,
-                    DoubleColonTkn: $2,
-                    Const: &ast.Identifier{
-                        Position: yylex.(*Parser).builder.NewTokenPosition($3),
-                        IdentifierTkn: $3,
-                        Value:         $3.Value,
-                    },
-                }
-            }
-;
-
-static_class_name_scalar:
-        class_name T_PAAMAYIM_NEKUDOTAYIM T_CLASS
-            {
-                $$ = &ast.ExprClassConstFetch{
-                    Position: yylex.(*Parser).builder.NewNodeTokenPosition($1, $3),
-                    Class:          $1,
-                    DoubleColonTkn: $2,
-                    Const: &ast.Identifier{
-                        Position: yylex.(*Parser).builder.NewTokenPosition($3),
-                        IdentifierTkn: $3,
-                        Value:         $3.Value,
-                    },
-                }
-            }
-;
-
-class_name_scalar:
-        class_name T_PAAMAYIM_NEKUDOTAYIM T_CLASS
-            {
-                $$ = &ast.ExprClassConstFetch{
-                    Position: yylex.(*Parser).builder.NewNodeTokenPosition($1, $3),
-                    Class:          $1,
-                    DoubleColonTkn: $2,
-                    Const: &ast.Identifier{
-                        Position: yylex.(*Parser).builder.NewTokenPosition($3),
-                        IdentifierTkn: $3,
-                        Value:         $3.Value,
-                    },
-                }
-            }
-;
-
-%%
diff --git a/internal/php5/php5_bench_test.go b/internal/php5/php5_bench_test.go
deleted file mode 100644
index 42b6917..0000000
--- a/internal/php5/php5_bench_test.go
+++ /dev/null
@@ -1,30 +0,0 @@
-package php5_test
-
-import (
-	"io/ioutil"
-	"testing"
-
-	"github.com/VKCOM/php-parser/internal/php5"
-	"github.com/VKCOM/php-parser/internal/scanner"
-	"github.com/VKCOM/php-parser/pkg/conf"
-	"github.com/VKCOM/php-parser/pkg/version"
-)
-
-func BenchmarkPhp5(b *testing.B) {
-	src, err := ioutil.ReadFile("test.php")
-	if err != nil {
-		b.Fatal("can not read test.php: " + err.Error())
-	}
-
-	for n := 0; n < b.N; n++ {
-		config := conf.Config{
-			Version: &version.Version{
-				Major: 5,
-				Minor: 6,
-			},
-		}
-		lexer := scanner.NewLexer(src, config)
-		php5parser := php5.NewParser(lexer, config)
-		php5parser.Parse()
-	}
-}
diff --git a/internal/php5/test.php b/internal/php5/test.php
deleted file mode 100644
index c811eb1..0000000
--- a/internal/php5/test.php
+++ /dev/null
@@ -1,381 +0,0 @@
-<?
-foo($a, ...$b);
-$foo($a, ...$b);
-$foo->bar($a, ...$b);
-foo::bar($a, ...$b);
-$foo::bar($a, ...$b);
-new foo($a, ...$b);
-
-function foo(bar $bar=null, baz &...$baz) {}
-class foo {public function foo(bar $bar=null, baz &...$baz) {}}
-function(bar $bar=null, baz &...$baz) {};
-static function(bar $bar=null, baz &...$baz) {};
-
-1234567890123456789;
-12345678901234567890;
-0.;
-0b0111111111111111111111111111111111111111111111111111111111111111;
-0b1111111111111111111111111111111111111111111111111111111111111111;
-0x007111111111111111;
-0x8111111111111111;
-__CLASS__;
-__DIR__;
-__FILE__;
-__FUNCTION__;
-__LINE__;
-__NAMESPACE__;
-__METHOD__;
-__TRAIT__;
-
-"test $var";
-"test $var[1]";
-"test $var[1234567890123456789012345678901234567890]";
-"test $var[bar]";
-"test $var[$bar]";
-"$foo $bar";
-"test $foo->bar()";
-"test ${foo}";
-"test ${foo[0]}";
-"test {$foo->bar()}";
-
-if ($a) :
-endif;
-if ($a) :
-elseif ($b):
-endif;
-if ($a) :
-else:
-endif;
-if ($a) :
-elseif ($b):
-elseif ($c):
-else:
-endif;
-
-while (1) { break; }
-while (1) { break 2; }
-while (1) : break(3); endwhile;
-class foo{ const FOO = 1, BAR = 2; }
-class foo{ function bar() {} }
-class foo{ public static function &bar() {} }
-class foo{ final private function bar() {} protected function baz() {} }
-abstract class foo{ abstract public function bar(); }
-final class foo extends bar { }
-final class foo implements bar { }
-final class foo implements bar, baz { }
-
-const FOO = 1, BAR = 2;
-while (1) { continue; }
-while (1) { continue 2; }
-while (1) { continue(3); }
-declare(ticks=1);
-declare(ticks=1, strict_types=1) {}
-declare(ticks=1): enddeclare;
-do {} while(1);
-echo $a, 1;
-echo($a);
-for($i = 0; $i < 10; $i++, $i++) {}
-for(; $i < 10; $i++) : endfor;
-foreach ($a as $v) {}
-foreach ([] as $v) {}
-foreach ($a as $v) : endforeach;
-foreach ($a as $k => $v) {}
-foreach ([] as $k => $v) {}
-foreach ($a as $k => &$v) {}
-foreach ($a as $k => list($v)) {}
-function foo() {}
-
-function foo() {
-    function bar() {}
-    class Baz {}
-    return $a;
-}
-
-function foo(array $a, callable $b) {return;}
-function &foo() {return 1;}
-function &foo() {}
-global $a, $b, $$c, ${foo()};
-a:
-goto a;
-if ($a) {}
-if ($a) {} elseif ($b) {}
-if ($a) {} else {}
-if ($a) {} elseif ($b) {} elseif ($c) {} else {}
-if ($a) {} elseif ($b) {} else if ($c) {} else {}
-?> <div></div> <?
-interface Foo {}
-interface Foo extends Bar {}
-interface Foo extends Bar, Baz {}
-namespace Foo;
-namespace Foo\Bar {}
-namespace {}
-class foo {var $a;}
-class foo {public static $a, $b = 1;}
-class foo {public static $a = 1, $b;}
-static $a, $b = 1;
-static $a = 1, $b;
-
-switch (1) :
-    case 1:
-    default:
-    case 2:
-endswitch;
-
-switch (1) :;
-    case 1;
-    case 2;
-endswitch;
-
-switch (1) {
-    case 1: break;
-    case 2: break;
-}
-
-switch (1) {;
-    case 1; break;
-    case 2; break;
-}
-throw $e;
-trait Foo {}
-class Foo { use Bar; }
-class Foo { use Bar, Baz {} }
-class Foo { use Bar, Baz { one as public; } }
-class Foo { use Bar, Baz { one as public two; } }
-class Foo { use Bar, Baz { Bar::one insteadof Baz, Quux; Baz::one as two; } }
-
-try {}
-try {} catch (Exception $e) {}
-try {} catch (Exception $e) {} catch (RuntimeException $e) {}
-try {} catch (Exception $e) {} catch (\RuntimeException $e) {} catch (namespace\AdditionException $e) {}
-try {} catch (Exception $e) {} finally {}
-
-unset($a, $b);
-
-use Foo;
-use \Foo;
-use \Foo as Bar;
-use Foo, Bar;
-use Foo, Bar as Baz;
-use function Foo, \Bar;
-use function Foo as foo, \Bar as bar;
-use const Foo, \Bar;
-use const Foo as foo, \Bar as bar;
-
-$a[1];
-$a[1][2];
-array();
-array(1);
-array(1=>1, &$b,);
-array(3 =>&$b);
-array(&$b, 1=>1, 1, 3 =>&$b);
-~$a;
-!$a;
-
-Foo::Bar;
-clone($a);
-clone $a;
-function(){};
-function($a, $b) use ($c, &$d) {};
-function($a, $b) use (&$c, $d) {};
-function() {};
-foo;
-namespace\foo;
-\foo;
-
-empty($a);
-empty(Foo);
-@$a;
-eval($a);
-exit;
-exit($a);
-die();
-die($a);
-foo();
-namespace\foo(&$a);
-\foo([]);
-$foo(yield $a);
-
-$a--;
-$a++;
---$a;
-++$a;
-
-include $a;
-include_once $a;
-require $a;
-require_once $a;
-
-$a instanceof Foo;
-$a instanceof namespace\Foo;
-$a instanceof \Foo;
-
-isset($a, $b);
-isset(Foo);
-list() = $b;
-list($a, $b) = $b;
-list($a[]) = $b;
-list(list($a)) = $b;
-
-$a->foo();
-new Foo;
-new namespace\Foo();
-new \Foo();
-print($a);
-$a->foo;
-$a->foo[1];
-$a->foo->bar->baz()->quux[0];
-$a->foo()[1][1];
-`cmd $a`;
-`cmd`;
-``;
-[];
-[1];
-[1=>1, &$b,];
-
-Foo::bar();
-namespace\Foo::bar();
-\Foo::bar();
-Foo::$bar();
-$foo::$bar();
-Foo::$bar;
-namespace\Foo::$bar;
-\Foo::$bar;
-$a ? $b : $c;
-$a ? : $c;
-$a ? $b ? $c : $d : $e;
-$a ? $b : $c ? $d : $e;
--$a;
-+$a;
-$$a;
-$$$a;
-yield;
-yield $a;
-yield $a => $b;
-yield Foo::class;
-yield $a => Foo::class;
-
-(array)$a;
-(boolean)$a;
-(bool)$a;
-(double)$a;
-(float)$a;
-(integer)$a;
-(int)$a;
-(object)$a;
-(string)$a;
-(unset)$a;
-
-$a & $b;
-$a | $b;
-$a ^ $b;
-$a && $b;
-$a || $b;
-$a . $b;
-$a / $b;
-$a == $b;
-$a >= $b;
-$a > $b;
-$a === $b;
-$a and $b;
-$a or $b;
-$a xor $b;
-$a - $b;
-$a % $b;
-$a * $b;
-$a != $b;
-$a !== $b;
-$a + $b;
-$a ** $b;
-$a << $b;
-$a >> $b;
-$a <= $b;
-$a < $b;
-
-$a =& $b;
-$a =& new Foo;
-$a =& new Foo($b);
-$a = $b;
-$a &= $b;
-$a |= $b;
-$a ^= $b;
-$a .= $b;
-$a /= $b;
-$a -= $b;
-$a %= $b;
-$a *= $b;
-$a += $b;
-$a **= $b;
-$a <<= $b;
-$a >>= $b;
-
-
-(new \Foo());
-(new \Foo())->bar()->baz;
-(new \Foo())[0][0];
-(new \Foo())[0]->bar();
-
-array([0])[0][0];
-"foo"[0];
-foo[0];
-static::foo;
-
-new $foo;
-new $foo::$bar;
-new $a->b[0];
-new $a->b{$b ?: null}->$c->d[0];static $a = [1][0];
-
-static $a = !1;
-static $a = ~1;
-static $a = +1;
-static $a = -1;
-static $a = (1);
-static $a = 1 ?: 2;
-static $a = 1 ? 2 : 3;
-static $a = 1 & 2;
-static $a = 1 | 2;
-static $a = 1 ^ 2;
-static $a = 1 && 2;
-static $a = 1 || 2;
-static $a = 1 . 2;
-static $a = 1 / 2;
-static $a = 1 == 2;
-static $a = 1 >= 2;
-static $a = 1 > 2;
-static $a = 1 === 2;
-static $a = 1 and 2;
-static $a = 1 or 2;
-static $a = 1 xor 2;
-static $a = 1 - 2;
-static $a = 1 % 2;
-static $a = 1 * 2;
-static $a = 1 != 2;
-static $a = 1 !== 2;
-static $a = 1 + 2;
-static $a = 1 ** 2;
-static $a = 1 << 2;
-static $a = 1 >> 2;
-static $a = 1 <= 2;
-static $a = 1 < 2;
-static $a = Foo::bar;
-static $a = Foo::class;
-static $a = __CLASS__;
-static $a = Foo;
-static $a = namespace\Foo;
-static $a = \Foo;
-static $a = array();
-static $a = array(1 => 1, 2);
-static $a = [1, 2 => 2][0];
-
-if (yield 1) {}
-Foo::$$bar;
-
-$foo();
-$foo()[0][0];
-$a{$b};
-${$a};
-$foo::{$bar}();
-$foo::bar;
-
-__halt_compiler();
-
-parsing process must be terminated
\ No newline at end of file
diff --git a/pkg/parser/parser.go b/pkg/parser/parser.go
index 0000eab..5f09633 100644
--- a/pkg/parser/parser.go
+++ b/pkg/parser/parser.go
@@ -3,10 +3,8 @@ package parser
 import (
 	"errors"
 
-	"github.com/VKCOM/php-parser/internal/php5"
 	"github.com/VKCOM/php-parser/internal/php7"
 	"github.com/VKCOM/php-parser/internal/php8"
-	"github.com/VKCOM/php-parser/internal/scanner"
 	"github.com/VKCOM/php-parser/pkg/ast"
 	"github.com/VKCOM/php-parser/pkg/conf"
 	"github.com/VKCOM/php-parser/pkg/version"
@@ -16,9 +14,6 @@ var (
 	// ErrVersionOutOfRange is returned if the version is not supported
 	ErrVersionOutOfRange = errors.New("the version is out of supported range")
 
-	php5RangeStart = &version.Version{Major: 5}
-	php5RangeEnd   = &version.Version{Major: 5, Minor: 6}
-
 	php7RangeStart = &version.Version{Major: 7}
 	php7RangeEnd   = &version.Version{Major: 7, Minor: 4}
 
@@ -39,15 +34,8 @@ func Parse(src []byte, config conf.Config) (ast.Vertex, error) {
 		config.Version = php7RangeEnd
 	}
 
-	if config.Version.InRange(php5RangeStart, php5RangeEnd) {
-		lexer := scanner.NewLexer(src, config)
-		parser = php5.NewParser(lexer, config)
-		parser.Parse()
-		return parser.GetRootNode(), nil
-	}
-
 	if config.Version.InRange(php7RangeStart, php7RangeEnd) {
-		lexer := scanner.NewLexer(src, config)
+		lexer := php7.NewLexer(src, config)
 		parser = php7.NewParser(lexer, config)
 		parser.Parse()
 		return parser.GetRootNode(), nil
diff --git a/pkg/visitor/printer/printer_php5_test.go b/pkg/visitor/printer/printer_php5_test.go
deleted file mode 100644
index 7fffe23..0000000
--- a/pkg/visitor/printer/printer_php5_test.go
+++ /dev/null
@@ -1,1439 +0,0 @@
-package printer_test
-
-import (
-	"bytes"
-	"testing"
-
-	"github.com/VKCOM/php-parser/internal/php5"
-	"github.com/VKCOM/php-parser/internal/scanner"
-	"github.com/VKCOM/php-parser/pkg/ast"
-	"github.com/VKCOM/php-parser/pkg/conf"
-	"github.com/VKCOM/php-parser/pkg/version"
-	"github.com/VKCOM/php-parser/pkg/visitor/printer"
-)
-
-func parsePhp5(src string) ast.Vertex {
-	config := conf.Config{
-		Version: &version.Version{
-			Major: 5,
-			Minor: 6,
-		},
-	}
-	lexer := scanner.NewLexer([]byte(src), config)
-	php5parser := php5.NewParser(lexer, config)
-	php5parser.Parse()
-
-	return php5parser.GetRootNode()
-}
-
-func printPhp5(n ast.Vertex) string {
-	o := bytes.NewBufferString("")
-
-	p := printer.NewPrinter(o)
-	n.Accept(p)
-
-	return o.String()
-}
-
-// test node
-
-func TestParseAndPrintPhp5Root(t *testing.T) {
-
-	src := ` <div>Hello</div> 
-	<?php
-	$a;
-	`
-
-	actual := printPhp5(parsePhp5(src))
-
-	if src != actual {
-		t.Errorf("\nexpected: %s\ngot: %s\n", src, actual)
-	}
-}
-
-func TestParseAndPrintPhp5Identifier(t *testing.T) {
-	src := `<? ;
-	/* Foo */
-	Foo ( ) ;
-	`
-
-	actual := printPhp5(parsePhp5(src))
-
-	if src != actual {
-		t.Errorf("\nexpected: %s\ngot: %s\n", src, actual)
-	}
-}
-
-func TestParseAndPrintPhp5Parameter(t *testing.T) {
-
-	src := `<?php
-	function & foo ( $a , & $b = null , ... $c ) {
-		;
-	}`
-
-	actual := printPhp5(parsePhp5(src))
-
-	if src != actual {
-		t.Errorf("\nexpected: %s\ngot: %s\n", src, actual)
-	}
-}
-
-func TestParseAndPrintPhp5Argument(t *testing.T) {
-	src := `<?php
-	foo ( $a , $b
-		, $c
-	) ; `
-
-	actual := printPhp5(parsePhp5(src))
-
-	if src != actual {
-		t.Errorf("\nexpected: %s\ngot: %s\n", src, actual)
-	}
-}
-
-// test name
-
-func TestParseAndPrintPhp5Names(t *testing.T) {
-	src := `<?php
-	foo ( ) ;
-	\ foo ( ) ;
-	namespace \ foo ( ) ;
-	`
-
-	actual := printPhp5(parsePhp5(src))
-
-	if src != actual {
-		t.Errorf("\nexpected: %s\ngot: %s\n", src, actual)
-	}
-}
-
-// test scalar
-
-func TestParseAndPrintPhp5MagicConstant(t *testing.T) {
-	src := `<?php
-	__CLASS__     ;
-	__DIR__       ;
-	__FILE__      ;
-	__FUNCTION__  ;
-	__LINE__      ;
-	__NAMESPACE__ ;
-	__METHOD__    ;
-	__TRAIT__     ;
-	`
-
-	actual := printPhp5(parsePhp5(src))
-
-	if src != actual {
-		t.Errorf("\nexpected: %s\ngot: %s\n", src, actual)
-	}
-}
-
-func TestParseAndPrintPhp5Number(t *testing.T) {
-	src := `<?php
-	// LNumber
-	1234567890123456789 ;
-
-	// DNumber
-	12345678901234567890 ;
-	0. ;
-	.2 ;
-	0.2 ;
-
-	// binary LNumber
-	0b0111111111111111111111111111111111111111111111111111111111111111 ;
-
-	// binary DNumber
-	0b1111111111111111111111111111111111111111111111111111111111111111 ;
-
-	// HLNumber
-	0x007111111111111111 ;
-
-	// HDNumber
-	0x8111111111111111 ;
-	`
-
-	actual := printPhp5(parsePhp5(src))
-
-	if src != actual {
-		t.Errorf("\nexpected: %s\ngot: %s\n", src, actual)
-	}
-}
-
-func TestParseAndPrintPhp5String(t *testing.T) {
-	src := `<?php
-	'Hello' ;
-	"Hello {$world } " ;
-	`
-
-	actual := printPhp5(parsePhp5(src))
-
-	if src != actual {
-		t.Errorf("\nexpected: %s\ngot: %s\n", src, actual)
-	}
-}
-
-func TestParseAndPrintPhp5Heredoc(t *testing.T) {
-	src := `<?php
-	foo(<<<EAP
-test
-EAP
-, 'test'
-);
-
-<<<EAP
-test
-EAP;
-
-<<<'EAP'
-test
-EAP;
-
-<<<"EAP"
-test
-EAP;
-	`
-
-	actual := printPhp5(parsePhp5(src))
-
-	if src != actual {
-		t.Errorf("\nexpected: %s\ngot: %s\n", src, actual)
-	}
-}
-
-// test assign
-
-func TestParseAndPrintPhp5Assign(t *testing.T) {
-	src := `<?php
-	$a = $b ;
-	$a = & $b ;
-	$a &= $b ;
-	$a |= $b ;
-	$a ^= $b ;
-	$a .= $b ;
-	$a /= $b ;
-	$a -= $b ;
-	$a %= $b ;
-	$a *= $b ;
-	$a += $b ;
-	$a **= $b ;
-	$a <<= $b ;
-	$a >>= $b ;
-	`
-
-	actual := printPhp5(parsePhp5(src))
-
-	if src != actual {
-		t.Errorf("\nexpected: %s\ngot: %s\n", src, actual)
-	}
-}
-
-// test binary
-
-func TestParseAndPrintPhp5Binary(t *testing.T) {
-	src := `<?php
-	$a & $b ;
-	$a | $b ;
-	$a ^ $b ;
-	$a && $b ;
-	$a || $b ;
-	$a . $b ;
-	$a / $b ;
-	$a == $b ;
-	$a >= $b ;
-	$a > $b ;
-	$a === $b ;
-	$a and $b ;
-	$a or $b ;
-	$a xor $b ;
-	$a - $b ;
-	$a % $b ;
-	$a * $b ;
-	$a != $b ;
-	$a <> $b ;
-	$a !== $b ;
-	$a + $b ;
-	$a ** $b ;
-	$a << $b ;
-	$a >> $b ;
-	$a <= $b ;
-	$a < $b ;
-	`
-
-	actual := printPhp5(parsePhp5(src))
-
-	if src != actual {
-		t.Errorf("\nexpected: %s\ngot: %s\n", src, actual)
-	}
-}
-
-// test cast
-
-func TestParseAndPrintPhp5Cast(t *testing.T) {
-	src := `<?php
-	(  array     ) $a ;
-	(  bool      ) $a ;
-	(  boolean   ) $a ;
-	(  real      ) $a ;
-	(  double    ) $a ;
-	(  float     ) $a ;
-	(  int       ) $a ;
-	(  integer   ) $a ;
-	(  object    ) $a ;
-	(  string    ) $a ;
-	(  binary    ) $a ;
-	(  unset     ) $a ;
-	`
-
-	actual := printPhp5(parsePhp5(src))
-
-	if src != actual {
-		t.Errorf("\nexpected: %s\ngot: %s\n", src, actual)
-	}
-}
-
-// test expr
-
-func TestParseAndPrintPhp5ArrayDimFetch(t *testing.T) {
-	src := `<?php
-	FOO [ ] ;
-	FOO [ 1 ] ;
-	$a [ ] ;
-	$a [ 1 ] ;
-	$a { 1 } ;
-	new $a [ ] ;
-	new $a [ 1 ] ;
-	new $a { 1 } ;
-	"$a[1]test" ;
-	"${ a [ 1 ] }test" ;
-	`
-
-	actual := printPhp5(parsePhp5(src))
-
-	if src != actual {
-		t.Errorf("\nexpected: %s\ngot: %s\n", src, actual)
-	}
-}
-
-func TestParseAndPrintPhp5ArrayItem(t *testing.T) {
-	src := `<?php
-	$foo = [
-		$world ,
-		& $world ,
-		'Hello' => $world ,
-	] ;
-	`
-
-	actual := printPhp5(parsePhp5(src))
-
-	if src != actual {
-		t.Errorf("\nexpected: %s\ngot: %s\n", src, actual)
-	}
-}
-
-func TestParseAndPrintPhp5Array(t *testing.T) {
-	src := `<?php
-	array ( /* empty array */ ) ;
-	array ( 0 , 2 => 2 ) ;
-	`
-
-	actual := printPhp5(parsePhp5(src))
-
-	if src != actual {
-		t.Errorf("\nexpected: %s\ngot: %s\n", src, actual)
-	}
-}
-
-func TestParseAndPrintPhp5BitwiseNot(t *testing.T) {
-	src := `<?php
-	~ $var ;
-	`
-
-	actual := printPhp5(parsePhp5(src))
-
-	if src != actual {
-		t.Errorf("\nexpected: %s\ngot: %s\n", src, actual)
-	}
-}
-
-func TestParseAndPrintPhp5BooleanNot(t *testing.T) {
-	src := `<?php
-	! $var ;
-	`
-
-	actual := printPhp5(parsePhp5(src))
-
-	if src != actual {
-		t.Errorf("\nexpected: %s\ngot: %s\n", src, actual)
-	}
-}
-
-func TestParseAndPrintPhp5ClassConstFetch(t *testing.T) {
-	src := `<?php
-	$var :: CONSTANT ;
-	`
-
-	actual := printPhp5(parsePhp5(src))
-
-	if src != actual {
-		t.Errorf("\nexpected: %s\ngot: %s\n", src, actual)
-	}
-}
-
-func TestParseAndPrintPhp5Clone(t *testing.T) {
-	src := `<?php
-	clone $var ;
-	`
-
-	actual := printPhp5(parsePhp5(src))
-
-	if src != actual {
-		t.Errorf("\nexpected: %s\ngot: %s\n", src, actual)
-	}
-}
-
-func TestParseAndPrintPhp5ClosureUse(t *testing.T) {
-	src := `<?php
-	$a = function ( ) use ( $a , & $b ) {
-		// do nothing
-	} ;
-	`
-
-	actual := printPhp5(parsePhp5(src))
-
-	if src != actual {
-		t.Errorf("\nexpected: %s\ngot: %s\n", src, actual)
-	}
-}
-
-func TestParseAndPrintPhp5Closure(t *testing.T) {
-	src := `<?php
-	$a  = static function & ( ) {
-		// do nothing
-	} ;
-	`
-
-	actual := printPhp5(parsePhp5(src))
-
-	if src != actual {
-		t.Errorf("\nexpected: %s\ngot: %s\n", src, actual)
-	}
-}
-
-func TestParseAndPrintPhp5ConstFetch(t *testing.T) {
-	src := `<?php
-	null ;
-	`
-
-	actual := printPhp5(parsePhp5(src))
-
-	if src != actual {
-		t.Errorf("\nexpected: %s\ngot: %s\n", src, actual)
-	}
-}
-
-func TestParseAndPrintPhp5Empty(t *testing.T) {
-	src := `<?php
-	empty ( $a ) ;`
-
-	actual := printPhp5(parsePhp5(src))
-
-	if src != actual {
-		t.Errorf("\nexpected: %s\ngot: %s\n", src, actual)
-	}
-}
-
-func TestParseAndPrintPhp5ErrorSuppress(t *testing.T) {
-	src := `<?php
-	@ foo ( ) ;
-	`
-
-	actual := printPhp5(parsePhp5(src))
-
-	if src != actual {
-		t.Errorf("\nexpected: %s\ngot: %s\n", src, actual)
-	}
-}
-
-func TestParseAndPrintPhp5Eval(t *testing.T) {
-	src := `<?php
-	eval ( " " ) ;
-	`
-
-	actual := printPhp5(parsePhp5(src))
-
-	if src != actual {
-		t.Errorf("\nexpected: %s\ngot: %s\n", src, actual)
-	}
-}
-
-func TestParseAndPrintPhp5Exit(t *testing.T) {
-	src := `<?php
-	exit ;
-	exit ( ) ;
-	exit (1) ;
-	exit ( 1 ) ;
-	die ;
-	die ( ) ;
-	die (1) ;
-	die ( 1 ) ;
-	`
-
-	actual := printPhp5(parsePhp5(src))
-
-	if src != actual {
-		t.Errorf("\nexpected: %s\ngot: %s\n", src, actual)
-	}
-}
-
-func TestParseAndPrintPhp5FunctionCall(t *testing.T) {
-	src := `<?php
-	foo ( ) ;
-	$var ( $a , ... $b , $c ) ;
-	`
-
-	actual := printPhp5(parsePhp5(src))
-
-	if src != actual {
-		t.Errorf("\nexpected: %s\ngot: %s\n", src, actual)
-	}
-}
-
-func TestParseAndPrintPhp5Include(t *testing.T) {
-
-	src := `<?php
-	include 'foo' ;
-	include_once 'bar' ;`
-
-	actual := printPhp5(parsePhp5(src))
-
-	if src != actual {
-		t.Errorf("\nexpected: %s\ngot: %s\n", src, actual)
-	}
-}
-
-func TestParseAndPrintPhp5InstanceOf(t *testing.T) {
-	src := `<?php
-	$a instanceof Foo ;`
-
-	actual := printPhp5(parsePhp5(src))
-
-	if src != actual {
-		t.Errorf("\nexpected: %s\ngot: %s\n", src, actual)
-	}
-}
-
-func TestParseAndPrintPhp5Isset(t *testing.T) {
-	src := `<?php
-	isset ( $a , $b [ 2 ] ) ;`
-
-	actual := printPhp5(parsePhp5(src))
-
-	if src != actual {
-		t.Errorf("\nexpected: %s\ngot: %s\n", src, actual)
-	}
-}
-
-func TestParseAndPrintPhp5List(t *testing.T) {
-	src := `<?php
-	list( , $var , ) = $b ;`
-
-	actual := printPhp5(parsePhp5(src))
-
-	if src != actual {
-		t.Errorf("\nexpected: %s\ngot: %s\n", src, actual)
-	}
-}
-
-func TestParseAndPrintPhp5MethodCall(t *testing.T) {
-	src := `<?php
-	$a -> bar ( $arg ) ;`
-
-	actual := printPhp5(parsePhp5(src))
-
-	if src != actual {
-		t.Errorf("\nexpected: %s\ngot: %s\n", src, actual)
-	}
-}
-
-func TestParseAndPrintPhp5New(t *testing.T) {
-	src := `<?php
-
-	new Foo ;
-
-	new Foo ( $a, $b ) ;
-	`
-
-	actual := printPhp5(parsePhp5(src))
-
-	if src != actual {
-		t.Errorf("\nexpected: %s\ngot: %s\n", src, actual)
-	}
-}
-
-func TestParseAndPrintPhp5IncDec(t *testing.T) {
-	src := `<?php
-	++ $a ;
-	-- $a ;
-	$a ++ ;
-	$a -- ;`
-
-	actual := printPhp5(parsePhp5(src))
-
-	if src != actual {
-		t.Errorf("\nexpected: %s\ngot: %s\n", src, actual)
-	}
-}
-
-func TestParseAndPrintPhp5Print(t *testing.T) {
-	src := `<?php
-	print $a ;
-	print ( $a ) ;`
-
-	actual := printPhp5(parsePhp5(src))
-
-	if src != actual {
-		t.Errorf("\nexpected: %s\ngot: %s\n", src, actual)
-	}
-}
-
-func TestParseAndPrintPhp5PropertyFetch(t *testing.T) {
-	src := `<?php
-	$a -> b ;`
-
-	actual := printPhp5(parsePhp5(src))
-
-	if src != actual {
-		t.Errorf("\nexpected: %s\ngot: %s\n", src, actual)
-	}
-}
-
-func TestParseAndPrintPhp5Reference(t *testing.T) {
-	src := `<?php
-	$a = & $b ;
-	$a = [ & $b ] ;
-	$a = [ $b => & $c ] ;
-
-	$a = function ( ) use ( & $b ) {
-		// do nothing
-	} ;
-
-	foreach ( $a as & $b ) {
-		// do nothing
-	}`
-
-	actual := printPhp5(parsePhp5(src))
-
-	if src != actual {
-		t.Errorf("\nexpected: %s\ngot: %s\n", src, actual)
-	}
-}
-
-func TestParseAndPrintPhp5Require(t *testing.T) {
-
-	src := `<?php
-	require __DIR__ . '/folder' ;
-	require_once $a ;`
-
-	actual := printPhp5(parsePhp5(src))
-
-	if src != actual {
-		t.Errorf("\nexpected: %s\ngot: %s\n", src, actual)
-	}
-}
-
-func TestParseAndPrintPhp5ShellExec(t *testing.T) {
-	src := "<?php ` {$v} cmd ` ; "
-
-	actual := printPhp5(parsePhp5(src))
-
-	if src != actual {
-		t.Errorf("\nexpected: %s\ngot: %s\n", src, actual)
-	}
-}
-
-func TestParseAndPrintPhp5ShortArray(t *testing.T) {
-	src := `<?php
-	$a = [ ] ;
-	$a = [ 0 ] ;
-	$a = [
-		1 => & $b , // one
-		$c       , /* two */ 
-	] ;
-	$a = [0, 1, 2] ;`
-
-	actual := printPhp5(parsePhp5(src))
-
-	if src != actual {
-		t.Errorf("\nexpected: %s\ngot: %s\n", src, actual)
-	}
-}
-
-func TestParseAndPrintPhp5StaticCall(t *testing.T) {
-	src := `<?php
-	Foo :: bar ( $a , $b ) ;`
-
-	actual := printPhp5(parsePhp5(src))
-
-	if src != actual {
-		t.Errorf("\nexpected: %s\ngot: %s\n", src, actual)
-	}
-}
-
-func TestParseAndPrintPhp5StaticPropertyFetch(t *testing.T) {
-	src := `<?php
-	Foo :: $bar ;`
-
-	actual := printPhp5(parsePhp5(src))
-
-	if src != actual {
-		t.Errorf("\nexpected: %s\ngot: %s\n", src, actual)
-	}
-}
-
-func TestParseAndPrintPhp5Ternary(t *testing.T) {
-	src := `<?php
-	$a ? $b : $c ;
-	$a ? : $c ;`
-
-	actual := printPhp5(parsePhp5(src))
-
-	if src != actual {
-		t.Errorf("\nexpected: %s\ngot: %s\n", src, actual)
-	}
-}
-
-func TestParseAndPrintPhp5Unary(t *testing.T) {
-	src := `<?php
-	- $a ;
-	+ $a ;`
-
-	actual := printPhp5(parsePhp5(src))
-
-	if src != actual {
-		t.Errorf("\nexpected: %s\ngot: %s\n", src, actual)
-	}
-}
-
-func TestParseAndPrintPhp5Variable(t *testing.T) {
-	src := `<?php
-	$ /* variable variable comment */ $var ; `
-
-	actual := printPhp5(parsePhp5(src))
-
-	if src != actual {
-		t.Errorf("\nexpected: %s\ngot: %s\n", src, actual)
-	}
-}
-
-func TestParseAndPrintPhp5Yield(t *testing.T) {
-	src := `<?php
-	yield $a ;
-	yield $k => $v ;`
-
-	actual := printPhp5(parsePhp5(src))
-
-	if src != actual {
-		t.Errorf("\nexpected: %s\ngot: %s\n", src, actual)
-	}
-}
-
-// test stmt
-
-func TestParseAndPrintPhp5AltIf(t *testing.T) {
-	src := `<?php
-	if ( 1 ) :
-		// do nothing
-	elseif ( 2 ) :
-	elseif ( 3 ) :
-		;
-	else :
-		;
-	endif ;`
-
-	actual := printPhp5(parsePhp5(src))
-
-	if src != actual {
-		t.Errorf("\nexpected: %s\ngot: %s\n", src, actual)
-	}
-}
-
-func TestParseAndPrintPhp5AltFor(t *testing.T) {
-	src := `<?php
-	for ( $a ; $b ; $c ) :
-	endfor ;
-	
-	for ( ; ; ) :
-	endfor ;`
-
-	actual := printPhp5(parsePhp5(src))
-
-	if src != actual {
-		t.Errorf("\nexpected: %s\ngot: %s\n", src, actual)
-	}
-}
-
-func TestParseAndPrintPhp5AltForeach(t *testing.T) {
-	src := `<?php
-	foreach ( $a as $k => & $v ) :
-		echo $v ;
-	endforeach ;`
-
-	actual := printPhp5(parsePhp5(src))
-
-	if src != actual {
-		t.Errorf("\nexpected: %s\ngot: %s\n", src, actual)
-	}
-}
-
-func TestParseAndPrintPhp5AltSwitch(t *testing.T) {
-	src := `<?php
-
-	switch ( $a ) : 
-	case 1 : 
-		;
-	case 2 : ;
-	case 3 :
-		 ;
-	default :
-		;
-	endswitch ;
-	
-
-	switch ( $a ) : ;
-	case 1 ; ;
-	default ; ;
-	endswitch ;
-
-	switch ( $a ) :
-	endswitch ;
-	`
-
-	actual := printPhp5(parsePhp5(src))
-
-	if src != actual {
-		t.Errorf("\nexpected: %s\ngot: %s\n", src, actual)
-	}
-}
-
-func TestParseAndPrintPhp5AltWhile(t *testing.T) {
-	src := `<?php
-
-	while ( $a ) :
-		// do nothing
-	endwhile ;`
-
-	actual := printPhp5(parsePhp5(src))
-
-	if src != actual {
-		t.Errorf("\nexpected: %s\ngot: %s\n", src, actual)
-	}
-}
-
-func TestParseAndPrintPhp5Break(t *testing.T) {
-	src := `<?php
-
-	break ;
-	break 1 ;
-	break ( 2 ) ;
-`
-
-	root := parsePhp5(src)
-	actual := printPhp5(root)
-
-	if src != actual {
-		t.Errorf("\nexpected: %s\ngot: %s\n", src, actual)
-	}
-}
-
-func TestParseAndPrintPhp5ClassMethod(t *testing.T) {
-	src := `<?php
-	class Foo {
-		/**
-		 * abstract method
-		 */
-		public static function & greet ( $a ) ;
-		
-		function greet ( $a )
-		{
-			return 'hello' ;
-		}
-	}`
-
-	actual := printPhp5(parsePhp5(src))
-
-	if src != actual {
-		t.Errorf("\nexpected: %s\ngot: %s\n", src, actual)
-	}
-}
-
-func TestParseAndPrintPhp5Class(t *testing.T) {
-	src := `<?php
-	final class Foo extends Bar implements Baz , Quuz {
-		
-	}`
-
-	actual := printPhp5(parsePhp5(src))
-
-	if src != actual {
-		t.Errorf("\nexpected: %s\ngot: %s\n", src, actual)
-	}
-}
-
-func TestParseAndPrintPhp5ClassConstList(t *testing.T) {
-	src := `<?php
-	class Foo {
-		const FOO = 'f' , BAR = 'b' ;
-	}`
-
-	actual := printPhp5(parsePhp5(src))
-
-	if src != actual {
-		t.Errorf("\nexpected: %s\ngot: %s\n", src, actual)
-	}
-}
-
-func TestParseAndPrintPhp5ConstList(t *testing.T) {
-	src := `<?php
-	const FOO = 1 , BAR = 2 ;
-	`
-
-	actual := printPhp5(parsePhp5(src))
-
-	if src != actual {
-		t.Errorf("\nexpected: %s\ngot: %s\n", src, actual)
-	}
-}
-
-func TestParseAndPrintPhp5Continue(t *testing.T) {
-	src := `<?php
-
-	continue ;
-	continue 1 ;
-	continue ( 2 ) ;
-	`
-
-	actual := printPhp5(parsePhp5(src))
-
-	if src != actual {
-		t.Errorf("\nexpected: %s\ngot: %s\n", src, actual)
-	}
-}
-
-func TestParseAndPrintPhp5Declare(t *testing.T) {
-	src := `<?php
-	declare ( FOO = 'bar' , BAR = 'foo' ) ;
-	declare ( FOO = 'bar' ) $a ;
-	declare ( FOO = 'bar' ) { }
-
-	declare ( FOO = 'bar' ) : enddeclare ;
-	declare ( FOO = 'bar' ) :
-		;
-	enddeclare ;
-	`
-
-	actual := printPhp5(parsePhp5(src))
-
-	if src != actual {
-		t.Errorf("\nexpected: %s\ngot: %s\n", src, actual)
-	}
-}
-
-func TestParseAndPrintPhp5DoWhile(t *testing.T) {
-	src := `<?php
-	do {
-		;
-	} while ( $a ) ;
-	`
-
-	actual := printPhp5(parsePhp5(src))
-
-	if src != actual {
-		t.Errorf("\nexpected: %s\ngot: %s\n", src, actual)
-	}
-}
-
-func TestParseAndPrintPhp5Echo(t *testing.T) {
-	src := `<?php
-	echo '' ;
-	echo $a , ' ' , PHP_EOL;
-
-	?>
-
-	<?= $a, $b ?>
-	<?= $c ; `
-
-	actual := printPhp5(parsePhp5(src))
-
-	if src != actual {
-		t.Errorf("\nexpected: %s\ngot: %s\n", src, actual)
-	}
-}
-
-func TestParseAndPrintPhp5IfExpression(t *testing.T) {
-	src := `<?php
-	$a ; `
-
-	actual := printPhp5(parsePhp5(src))
-
-	if src != actual {
-		t.Errorf("\nexpected: %s\ngot: %s\n", src, actual)
-	}
-}
-
-func TestParseAndPrintPhp5For(t *testing.T) {
-	src := `<?php
-	for ( $i = 0 ; $i < 3 ; $i ++ ) 
-		echo $i . PHP_EOL;
-	
-	for ( ; ; ) {
-
-	}`
-
-	actual := printPhp5(parsePhp5(src))
-
-	if src != actual {
-		t.Errorf("\nexpected: %s\ngot: %s\n", src, actual)
-	}
-}
-
-func TestParseAndPrintPhp5Foreach(t *testing.T) {
-	src := `<?php
-	foreach ( $a as $k => & $v ) {
-		;
-	}`
-
-	actual := printPhp5(parsePhp5(src))
-
-	if src != actual {
-		t.Errorf("\nexpected: %s\ngot: %s\n", src, actual)
-	}
-}
-
-func TestParseAndPrintPhp5Function(t *testing.T) {
-
-	src := `<?php
-	function & foo ( ) {
-		;
-	}`
-
-	actual := printPhp5(parsePhp5(src))
-
-	if src != actual {
-		t.Errorf("\nexpected: %s\ngot: %s\n", src, actual)
-	}
-}
-
-func TestParseAndPrintPhp5Global(t *testing.T) {
-	src := `<?php
-	global $a , $b ;`
-
-	actual := printPhp5(parsePhp5(src))
-
-	if src != actual {
-		t.Errorf("\nexpected: %s\ngot: %s\n", src, actual)
-	}
-}
-
-func TestParseAndPrintPhp5Goto(t *testing.T) {
-	src := `<?php
-	goto Foo ;`
-
-	actual := printPhp5(parsePhp5(src))
-
-	if src != actual {
-		t.Errorf("\nexpected: %s\ngot: %s\n", src, actual)
-	}
-}
-
-func TestParseAndPrintPhp5HaltCompiler(t *testing.T) {
-	src := `<?php
-	__halt_compiler ( ) ;
-	this text is ignored by parser
-	`
-
-	actual := printPhp5(parsePhp5(src))
-
-	if src != actual {
-		t.Errorf("\nexpected: %s\ngot: %s\n", src, actual)
-	}
-}
-
-func TestParseAndPrintPhp5IfElseIfElse(t *testing.T) {
-	src := `<?php
-	if ( 1 ) ;
-	elseif ( 2 ) {
-		;
-	}
-	else if ( 3 ) $a;
-	else { }`
-
-	actual := printPhp5(parsePhp5(src))
-
-	if src != actual {
-		t.Errorf("\nexpected: %s\ngot: %s\n", src, actual)
-	}
-}
-
-func TestParseAndPrintPhp5InlineHtml(t *testing.T) {
-	src := `<?php
-	$a;?>test<? `
-
-	actual := printPhp5(parsePhp5(src))
-
-	if src != actual {
-		t.Errorf("\nexpected: %s\ngot: %s\n", src, actual)
-	}
-}
-
-func TestParseAndPrintPhp5Shebang(t *testing.T) {
-	src := `#!/usr/bin/env php
-	<?php
-	$a;?>test<? `
-
-	actual := printPhp5(parsePhp5(src))
-
-	if src != actual {
-		t.Errorf("\nexpected: %s\ngot: %s\n", src, actual)
-	}
-}
-
-func TestParseAndPrintPhp5Interface(t *testing.T) {
-	src := `<?php
-	interface Foo extends Bar , Baz {
-
-	}`
-
-	actual := printPhp5(parsePhp5(src))
-
-	if src != actual {
-		t.Errorf("\nexpected: %s\ngot: %s\n", src, actual)
-	}
-}
-
-func TestParseAndPrintPhp5GotoLabel(t *testing.T) {
-	src := `<?php
-	Foo : $b ; `
-
-	actual := printPhp5(parsePhp5(src))
-
-	if src != actual {
-		t.Errorf("\nexpected: %s\ngot: %s\n", src, actual)
-	}
-}
-
-func TestParseAndPrintPhp5Namespace(t *testing.T) {
-	src := `<?php
-	namespace Foo \ Bar ; 
-	namespace Baz {
-
-	}
-	namespace {
-		
-	}
-	`
-
-	actual := printPhp5(parsePhp5(src))
-
-	if src != actual {
-		t.Errorf("\nexpected: %s\ngot: %s\n", src, actual)
-	}
-}
-
-func TestParseAndPrintPhp5Nop(t *testing.T) {
-	src := `<?php `
-
-	actual := printPhp5(parsePhp5(src))
-
-	if src != actual {
-		t.Errorf("\nexpected: %s\ngot: %s\n", src, actual)
-	}
-}
-
-func TestParseAndPrintPhp5PropertyList(t *testing.T) {
-	src := `<?php
-	class Foo {
-		var $a = '' , $b = null ;
-		private $c ;
-		public static $d ;
-		
-	}`
-
-	actual := printPhp5(parsePhp5(src))
-
-	if src != actual {
-		t.Errorf("\nexpected: %s\ngot: %s\n", src, actual)
-	}
-}
-
-func TestParseAndPrintPhp5Return(t *testing.T) {
-	src := `<?php
-	class Foo {
-		function bar ( )
-		{
-			return null ;
-		}
-	}
-
-	function foo ( )
-	{
-		return $a ;
-	}
-
-	function bar ( )
-	{
-		return ;
-	}
-	`
-
-	actual := printPhp5(parsePhp5(src))
-
-	if src != actual {
-		t.Errorf("\nexpected: %s\ngot: %s\n", src, actual)
-	}
-}
-
-func TestParseAndPrintPhp5StaticVar(t *testing.T) {
-	src := `<?php
-	static $a , $b = ' ' ;
-	`
-
-	actual := printPhp5(parsePhp5(src))
-
-	if src != actual {
-		t.Errorf("\nexpected: %s\ngot: %s\n", src, actual)
-	}
-}
-
-func TestParseAndPrintPhp5StmtList(t *testing.T) {
-	src := `<?php
-	{
-		;
-	}
-	`
-
-	actual := printPhp5(parsePhp5(src))
-
-	if src != actual {
-		t.Errorf("\nexpected: %s\ngot: %s\n", src, actual)
-	}
-}
-
-func TestParseAndPrintPhp5Switch(t *testing.T) {
-	src := `<?php
-
-	switch ( $a ) {
-		case 1 : ;
-		default : ;
-	}
-	switch ( $a ) { ;
-		case 1 ; ;
-		default ; ;
-	}`
-
-	actual := printPhp5(parsePhp5(src))
-
-	if src != actual {
-		t.Errorf("\nexpected: %s\ngot: %s\n", src, actual)
-	}
-}
-
-func TestParseAndPrintPhp5Throw(t *testing.T) {
-	src := `<?php
-	throw new \ Exception ( "msg" ) ;`
-
-	actual := printPhp5(parsePhp5(src))
-
-	if src != actual {
-		t.Errorf("\nexpected: %s\ngot: %s\n", src, actual)
-	}
-}
-
-func TestParseAndPrintPhp5TraitUse(t *testing.T) {
-	src := `<?php
-	class foo {
-		use \ foo , bar ;
-		use foo , \ bar { }
-		use \ foo , \ bar {
-			foo :: a as b ;
-			bar :: a insteadof foo ;
-			foo :: c as public ;
-			foo :: d as public e;
-			f as g ;
-		}
-	}`
-
-	actual := printPhp5(parsePhp5(src))
-
-	if src != actual {
-		t.Errorf("\nexpected: %s\ngot: %s\n", src, actual)
-	}
-}
-
-func TestParseAndPrintPhp5Trait(t *testing.T) {
-	src := `<?php
-	trait foo {
-		function bar ( ) { }
-	}`
-
-	actual := printPhp5(parsePhp5(src))
-
-	if src != actual {
-		t.Errorf("\nexpected: %s\ngot: %s\n", src, actual)
-	}
-}
-
-func TestParseAndPrintPhp5TryCatchFinally(t *testing.T) {
-	src := `<?php
-
-	try {
-
-	} catch ( \ Exception $e) {
-
-	} finally {
-
-	}`
-
-	actual := printPhp5(parsePhp5(src))
-
-	if src != actual {
-		t.Errorf("\nexpected: %s\ngot: %s\n", src, actual)
-	}
-}
-
-func TestParseAndPrintPhp5Unset(t *testing.T) {
-	src := `<?php
-	unset ( $a ) ;
-	unset ( $a , $b ) ;`
-
-	actual := printPhp5(parsePhp5(src))
-
-	if src != actual {
-		t.Errorf("\nexpected: %s\ngot: %s\n", src, actual)
-	}
-}
-
-func TestParseAndPrintPhp5UseList(t *testing.T) {
-	src := `<?php
-	use Foo ;
-	use \ Foo as Bar ;
-	use function \ Foo as Bar ;
-	use const Foo as Bar, baz ;
-	`
-
-	actual := printPhp5(parsePhp5(src))
-
-	if src != actual {
-		t.Errorf("\nexpected: %s\ngot: %s\n", src, actual)
-	}
-}
-
-func TestParseAndPrintPhp5While(t *testing.T) {
-	src := `<?php
-	while ( $a ) echo '' ;
-	while ( $a ) { }
-	while ( $a ) ;
-	`
-
-	actual := printPhp5(parsePhp5(src))
-
-	if src != actual {
-		t.Errorf("\nexpected: %s\ngot: %s\n", src, actual)
-	}
-}
-
-// other
-
-func TestParseAndPrintPhp5Parentheses(t *testing.T) {
-	src := `<?php
-	global $ { $b } ;
-	$b = (($a));
-	$b = ( ($a) );
-	$b = ( ( $a ) );
-	$b = ( ($a ));
-	$b = (( $a) );
-
-	( $a + $b ) * 2 ;
-	$ { $a . 'b' } -> call ( ) ;
-	$a -> { $b . 'b' } ;
-	$a -> $b ( ) -> { $c . 'c' } ;
-	`
-
-	actual := printPhp5(parsePhp5(src))
-
-	if src != actual {
-		t.Errorf("\nexpected: %s\ngot: %s\n", src, actual)
-	}
-}
-
-func TestParseAndPrintPhp5ComplexString1(t *testing.T) {
-	src := `<?php
-	// "test $foo" ;
-	"test $foo[1]" ;
-	"test $foo[112345678901234567890] " ;
-	"test $foo[a]" ;
-	"test $foo[$bar]" ;
-	"test $foo->bar" ;
-	`
-
-	actual := printPhp5(parsePhp5(src))
-
-	if src != actual {
-		t.Errorf("\nexpected: %s\ngot: %s\n", src, actual)
-	}
-}
-
-func TestParseAndPrintPhp5ComplexString2(t *testing.T) {
-	src := `<?php
-	"test ${ foo }" ;
-	"test ${ foo . 'bar' }" ;
-	"test ${ foo [ ] }" ;
-	"test ${ foo [ 1 ] }" ;
-	"test ${ foo [ 'expr' . $bar ] }" ;
-	"test ${ $foo }" ;
-	"test ${ $foo -> bar }" ;
-	"test ${ $foo -> bar ( ) }" ;
-	"test ${ $a . '' }" ;
-	`
-
-	actual := printPhp5(parsePhp5(src))
-
-	if src != actual {
-		t.Errorf("\nexpected: %s\ngot: %s\n", src, actual)
-	}
-}
-
-func TestParseAndPrintPhp5ComplexString3(t *testing.T) {
-	src := `<?php
-	"test ${foo }" ;
-	"test ${foo . 'bar' }" ;
-	"test ${foo [ ] }" ;
-	"test ${foo [ 1 ] }" ;
-	"test ${foo [ 'expr' . $bar ] }" ;
-	"test ${$foo }" ;
-	"test ${$foo -> bar }" ;
-	"test ${$foo -> bar ( ) }" ;
-	"test ${$a . '' }" ;
-	`
-
-	actual := printPhp5(parsePhp5(src))
-
-	if src != actual {
-		t.Errorf("\nexpected: %s\ngot: %s\n", src, actual)
-	}
-}
-
-func TestParseAndPrintPhp5ComplexString4(t *testing.T) {
-	src := `<?php
-	"test {$foo }" ;
-	"test {$foo [ ] }" ;
-	"test {$foo [ 1 ] }" ;
-	"test {$foo -> bar }" ;
-	"test {$foo -> bar ( ) }" ;
-	`
-
-	actual := printPhp5(parsePhp5(src))
-
-	if src != actual {
-		t.Errorf("\nexpected: %s\ngot: %s\n", src, actual)
-	}
-}