From 9b122de8bf290a30c98832b93a1129bc832e7519 Mon Sep 17 00:00:00 2001
From: Vadym Slizov <z7zmey@gmail.com>
Date: Tue, 1 Dec 2020 11:58:09 +0200
Subject: [PATCH] [refactoring] update ast structure of "Eval", "Exit",
 "FunctionCall", "Include" and "IncludeOnce" nodes

---
 internal/php5/php5.go         | Bin 278207 -> 278293 bytes
 internal/php5/php5.y          | 148 +++++++++++++++++-----------------
 internal/php7/php7.go         | Bin 229440 -> 229039 bytes
 internal/php7/php7.y          |  98 +++++++++++-----------
 pkg/ast/node.go               |  23 ++++--
 pkg/ast/traverser/dfs.go      |  10 ++-
 pkg/ast/visitor/dump.go       |   5 --
 pkg/printer/pretty_printer.go |   8 +-
 pkg/printer/printer.go        |  10 +--
 9 files changed, 151 insertions(+), 151 deletions(-)

diff --git a/internal/php5/php5.go b/internal/php5/php5.go
index f22f3388817b3244709fc02c5000a8c71a482f22..9b23a936fa097a36e46c7c6eacf87e3e1bfc6081 100644
GIT binary patch
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diff --git a/internal/php5/php5.y b/internal/php5/php5.y
index d38e937..0613a54 100644
--- a/internal/php5/php5.y
+++ b/internal/php5/php5.y
@@ -2,7 +2,6 @@
 package php5
 
 import (
-    "bytes"
     "strconv"
 
     "github.com/z7zmey/php-parser/internal/position"
@@ -3872,21 +3871,20 @@ expr_without_variable:
             }
     |   T_EXIT exit_expr
             {
-                $$ = &ast.ExprExit{ast.Node{}, false, $2}
-
-                if (bytes.EqualFold($1.Value, []byte("die"))) {
-                    $$.(*ast.ExprExit).Die = true
+                exit := &ast.ExprExit{
+                    DieTkn: $1,
                 }
 
-                // save position
                 if $2 == nil {
-                    $$.GetNode().Position = position.NewTokenPosition($1)
+                    exit.Node.Position = position.NewTokenPosition($1)
                 } else {
-                    $$.GetNode().Position = position.NewTokenNodePosition($1, $2)
+                    exit.Node.Position       = position.NewTokenNodePosition($1, $2)
+                    exit.OpenParenthesisTkn  = $2.(*ast.ParserBrackets).OpenBracketTkn
+                    exit.Expr                = $2.(*ast.ParserBrackets).Child
+                    exit.CloseParenthesisTkn = $2.(*ast.ParserBrackets).CloseBracketTkn
                 }
 
-                // save comments
-                yylex.(*Parser).setFreeFloating($$, token.Start, $1.SkippedTokens)
+                $$ = exit
             }
     |   '@' expr
             {
@@ -4228,45 +4226,57 @@ lexical_var_list:
 function_call:
         namespace_name function_call_parameter_list
             {
-                name := &ast.NameName{
-                    Node:  ast.Node{
-                        Position: position.NewNodeListPosition($1),
+                $$ = &ast.ExprFunctionCall{
+                    Node: ast.Node{
+                        Position: position.NewNodeListNodePosition($1, $2),
                     },
-                    Parts: $1,
+                    Function: &ast.NameName{
+                        Node:  ast.Node{
+                            Position: position.NewNodeListPosition($1),
+                        },
+                        Parts: $1,
+                    },
+                    OpenParenthesisTkn:  $2.(*ast.ArgumentList).OpenParenthesisTkn,
+                    Arguments:           $2.(*ast.ArgumentList).Arguments,
+                    CloseParenthesisTkn: $2.(*ast.ArgumentList).OpenParenthesisTkn,
                 }
-                $$ = &ast.ExprFunctionCall{ast.Node{}, name, $2.(*ast.ArgumentList)}
-
-                // save position
-                $$.GetNode().Position = position.NewNodesPosition(name, $2)
             }
     |   T_NAMESPACE T_NS_SEPARATOR namespace_name function_call_parameter_list
             {
-                name := &ast.NameRelative{
-                    Node:  ast.Node{
-                        Position: position.NewTokenNodeListPosition($1, $3),
+                $$ = &ast.ExprFunctionCall{
+                    Node: ast.Node{
+                        Position: position.NewTokenNodePosition($1, $4),
                     },
-                    NsTkn:          $1,
-                    NsSeparatorTkn: $2,
-                    Parts:          $3,
+                    Function: &ast.NameRelative{
+                        Node:  ast.Node{
+                            Position: position.NewTokenNodeListPosition($1, $3),
+                        },
+                        NsTkn:          $1,
+                        NsSeparatorTkn: $2,
+                        Parts:          $3,
+                    },
+                    OpenParenthesisTkn:  $4.(*ast.ArgumentList).OpenParenthesisTkn,
+                    Arguments:           $4.(*ast.ArgumentList).Arguments,
+                    CloseParenthesisTkn: $4.(*ast.ArgumentList).OpenParenthesisTkn,
                 }
-                $$ = &ast.ExprFunctionCall{ast.Node{}, name, $4.(*ast.ArgumentList)}
-
-                // save position
-                $$.GetNode().Position = position.NewNodesPosition(name, $4)
             }
     |   T_NS_SEPARATOR namespace_name function_call_parameter_list
             {
-                name := &ast.NameFullyQualified{
-                    Node:  ast.Node{
-                        Position: position.NewTokenNodeListPosition($1, $2),
+                $$ = &ast.ExprFunctionCall{
+                    Node: ast.Node{
+                        Position: position.NewTokenNodePosition($1, $3),
                     },
-                    NsSeparatorTkn: $1,
-                    Parts:          $2,
+                    Function: &ast.NameFullyQualified{
+                        Node:  ast.Node{
+                            Position: position.NewTokenNodeListPosition($1, $2),
+                        },
+                        NsSeparatorTkn: $1,
+                        Parts:          $2,
+                    },
+                    OpenParenthesisTkn:  $3.(*ast.ArgumentList).OpenParenthesisTkn,
+                    Arguments:           $3.(*ast.ArgumentList).Arguments,
+                    CloseParenthesisTkn: $3.(*ast.ArgumentList).OpenParenthesisTkn,
                 }
-                $$ = &ast.ExprFunctionCall{ast.Node{}, name, $3.(*ast.ArgumentList)}
-
-                // save position
-                $$.GetNode().Position = position.NewNodesPosition(name, $3)
             }
     |   class_name T_PAAMAYIM_NEKUDOTAYIM variable_name function_call_parameter_list
             {
@@ -4314,13 +4324,15 @@ function_call:
             }
     |   variable_without_objects function_call_parameter_list
             {
-                $$ = &ast.ExprFunctionCall{ast.Node{}, $1, $2.(*ast.ArgumentList)}
-
-                // save position
-                $$.GetNode().Position = position.NewNodesPosition($1, $2)
-
-                // save comments
-                yylex.(*Parser).MoveFreeFloating($1, $$)
+                $$ = &ast.ExprFunctionCall{
+                    Node: ast.Node{
+                        Position: position.NewNodesPosition($1, $2),
+                    },
+                    Function:            $1,
+                    OpenParenthesisTkn:  $2.(*ast.ArgumentList).OpenParenthesisTkn,
+                    Arguments:           $2.(*ast.ArgumentList).Arguments,
+                    CloseParenthesisTkn: $2.(*ast.ArgumentList).OpenParenthesisTkn,
+                }
             }
 ;
 
@@ -6355,43 +6367,35 @@ internal_functions_in_yacc:
             }
     |   T_INCLUDE expr
             {
-                $$ = &ast.ExprInclude{ast.Node{}, $2}
-
-                // save position
-                $$.GetNode().Position = position.NewTokenNodePosition($1, $2)
-
-                // save comments
-                yylex.(*Parser).setFreeFloating($$, token.Start, $1.SkippedTokens)
+                $$ = &ast.ExprInclude{
+                    Node: ast.Node{
+                        Position: position.NewTokenNodePosition($1, $2),
+                    },
+                    IncludeTkn: $1,
+                    Expr:       $2,
+                }
             }
     |   T_INCLUDE_ONCE expr
             {
-                $$ = &ast.ExprIncludeOnce{ast.Node{}, $2}
-
-                // save position
-                $$.GetNode().Position = position.NewTokenNodePosition($1, $2)
-
-                // save comments
-                yylex.(*Parser).setFreeFloating($$, token.Start, $1.SkippedTokens)
+                $$ = &ast.ExprIncludeOnce{
+                    Node: ast.Node{
+                        Position: position.NewTokenNodePosition($1, $2),
+                    },
+                    IncludeTkn: $1,
+                    Expr:       $2,
+                }
             }
     |   T_EVAL '(' expr ')'
             {
-                exprBrackets := &ast.ParserBrackets{
+                $$ = &ast.ExprEval{
                     Node: ast.Node{
-                        Position: position.NewTokensPosition($2, $4),
+                        Position: position.NewTokensPosition($1, $4),
                     },
-                    OpenBracketTkn:  $2,
-                    Child:           $3,
-                    CloseBracketTkn: $4,
+                    EvalTkn:             $1,
+                    OpenParenthesisTkn:  $2,
+                    Expr:                $3,
+                    CloseParenthesisTkn: $4,
                 }
-                $$ = &ast.ExprEval{ast.Node{}, exprBrackets}
-
-                // save position
-                $$.GetNode().Position = position.NewTokensPosition($1, $4)
-
-                // save comments
-                yylex.(*Parser).setFreeFloating($$, token.Start, $1.SkippedTokens)
-                yylex.(*Parser).setFreeFloatingTokens(exprBrackets, token.Start, $2.SkippedTokens)
-                yylex.(*Parser).setFreeFloatingTokens(exprBrackets, token.End, $4.SkippedTokens)
             }
     |   T_REQUIRE expr
             {
diff --git a/internal/php7/php7.go b/internal/php7/php7.go
index c397bc814103acf0b0fc9db803b1ad29b7147dc6..25bfa123bdd459a0cf91215d8b4fcb80d1dcb3bd 100644
GIT binary patch
delta 8134
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diff --git a/internal/php7/php7.y b/internal/php7/php7.y
index 9c95662..5fe9dd0 100644
--- a/internal/php7/php7.y
+++ b/internal/php7/php7.y
@@ -2,7 +2,6 @@
 package php7
 
 import (
-    "bytes"
     "strconv"
 
     "github.com/z7zmey/php-parser/internal/position"
@@ -3533,21 +3532,20 @@ expr_without_variable:
             }
     |   T_EXIT exit_expr
             {
-                $$ = &ast.ExprExit{ast.Node{}, false, $2}
-
-                if (bytes.EqualFold($1.Value, []byte("die"))) {
-                    $$.(*ast.ExprExit).Die = true
+                exit := &ast.ExprExit{
+                    DieTkn: $1,
                 }
 
-                // save position
                 if $2 == nil {
-                    $$.GetNode().Position = position.NewTokenPosition($1)
+                    exit.Node.Position = position.NewTokenPosition($1)
                 } else {
-                    $$.GetNode().Position = position.NewTokenNodePosition($1, $2)
+                    exit.Node.Position       = position.NewTokenNodePosition($1, $2)
+                    exit.OpenParenthesisTkn  = $2.(*ast.ParserBrackets).OpenBracketTkn
+                    exit.Expr                = $2.(*ast.ParserBrackets).Child
+                    exit.CloseParenthesisTkn = $2.(*ast.ParserBrackets).CloseBracketTkn
                 }
 
-                // save comments
-                yylex.(*Parser).setFreeFloating($$, token.Start, $1.SkippedTokens)
+                $$ = exit
             }
     |   '@' expr
             {
@@ -3776,13 +3774,15 @@ lexical_var:
 function_call:
         name argument_list
             {
-                $$ = &ast.ExprFunctionCall{ast.Node{}, $1, $2.(*ast.ArgumentList)}
-
-                // save position
-                $$.GetNode().Position = position.NewNodesPosition($1, $2)
-
-                // save comments
-                yylex.(*Parser).MoveFreeFloating($1, $$)
+                $$ = &ast.ExprFunctionCall{
+                    Node: ast.Node{
+                        Position: position.NewNodesPosition($1, $2),
+                    },
+                    Function:            $1,
+                    OpenParenthesisTkn:  $2.(*ast.ArgumentList).OpenParenthesisTkn,
+                    Arguments:           $2.(*ast.ArgumentList).Arguments,
+                    CloseParenthesisTkn: $2.(*ast.ArgumentList).OpenParenthesisTkn,
+                }
             }
     |   class_name T_PAAMAYIM_NEKUDOTAYIM member_name argument_list
             {
@@ -3808,13 +3808,15 @@ function_call:
             }
     |   callable_expr argument_list
             {
-                $$ = &ast.ExprFunctionCall{ast.Node{}, $1, $2.(*ast.ArgumentList)}
-
-                // save position
-                $$.GetNode().Position = position.NewNodesPosition($1, $2)
-
-                // save comments
-                yylex.(*Parser).MoveFreeFloating($1, $$)
+                $$ = &ast.ExprFunctionCall{
+                    Node: ast.Node{
+                        Position: position.NewNodesPosition($1, $2),
+                    },
+                    Function:            $1,
+                    OpenParenthesisTkn:  $2.(*ast.ArgumentList).OpenParenthesisTkn,
+                    Arguments:           $2.(*ast.ArgumentList).Arguments,
+                    CloseParenthesisTkn: $2.(*ast.ArgumentList).OpenParenthesisTkn,
+                }
             }
 ;
 
@@ -4912,43 +4914,35 @@ internal_functions_in_yacc:
             }
     |   T_INCLUDE expr
             {
-                $$ = &ast.ExprInclude{ast.Node{}, $2}
-
-                // save position
-                $$.GetNode().Position = position.NewTokenNodePosition($1, $2)
-
-                // save comments
-                yylex.(*Parser).setFreeFloating($$, token.Start, $1.SkippedTokens)
+                $$ = &ast.ExprInclude{
+                    Node: ast.Node{
+                        Position: position.NewTokenNodePosition($1, $2),
+                    },
+                    IncludeTkn: $1,
+                    Expr:       $2,
+                }
             }
     |   T_INCLUDE_ONCE expr
             {
-                $$ = &ast.ExprIncludeOnce{ast.Node{}, $2}
-
-                // save position
-                $$.GetNode().Position = position.NewTokenNodePosition($1, $2)
-
-                // save comments
-                yylex.(*Parser).setFreeFloating($$, token.Start, $1.SkippedTokens)
+                $$ = &ast.ExprIncludeOnce{
+                    Node: ast.Node{
+                        Position: position.NewTokenNodePosition($1, $2),
+                    },
+                    IncludeTkn: $1,
+                    Expr:       $2,
+                }
             }
     |   T_EVAL '(' expr ')'
             {
-                exprBrackets := &ast.ParserBrackets{
+                $$ = &ast.ExprEval{
                     Node: ast.Node{
-                        Position: position.NewTokensPosition($2, $4),
+                        Position: position.NewTokensPosition($1, $4),
                     },
-                    OpenBracketTkn:  $2,
-                    Child:           $3,
-                    CloseBracketTkn: $4,
+                    EvalTkn:             $1,
+                    OpenParenthesisTkn:  $2,
+                    Expr:                $3,
+                    CloseParenthesisTkn: $4,
                 }
-                $$ = &ast.ExprEval{ast.Node{}, exprBrackets}
-
-                // save position
-                $$.GetNode().Position = position.NewTokensPosition($1, $4)
-
-                // save comments
-                yylex.(*Parser).setFreeFloating($$, token.Start, $1.SkippedTokens)
-                yylex.(*Parser).setFreeFloatingTokens(exprBrackets, token.Start, $2.SkippedTokens)
-                yylex.(*Parser).setFreeFloatingTokens(exprBrackets, token.End, $4.SkippedTokens)
             }
     |   T_REQUIRE expr
             {
diff --git a/pkg/ast/node.go b/pkg/ast/node.go
index fb314cc..93d9001 100644
--- a/pkg/ast/node.go
+++ b/pkg/ast/node.go
@@ -1114,7 +1114,10 @@ func (n *ExprErrorSuppress) Accept(v NodeVisitor) {
 // ExprEval node
 type ExprEval struct {
 	Node
-	Expr Vertex
+	EvalTkn             *token.Token
+	OpenParenthesisTkn  *token.Token
+	Expr                Vertex
+	CloseParenthesisTkn *token.Token
 }
 
 func (n *ExprEval) Accept(v NodeVisitor) {
@@ -1124,8 +1127,10 @@ func (n *ExprEval) Accept(v NodeVisitor) {
 // ExprExit node
 type ExprExit struct {
 	Node
-	Die  bool
-	Expr Vertex
+	DieTkn              *token.Token
+	OpenParenthesisTkn  *token.Token
+	Expr                Vertex
+	CloseParenthesisTkn *token.Token
 }
 
 func (n *ExprExit) Accept(v NodeVisitor) {
@@ -1135,8 +1140,10 @@ func (n *ExprExit) Accept(v NodeVisitor) {
 // ExprFunctionCall node
 type ExprFunctionCall struct {
 	Node
-	Function     Vertex
-	ArgumentList *ArgumentList
+	Function            Vertex
+	OpenParenthesisTkn  *token.Token
+	Arguments           []Vertex
+	CloseParenthesisTkn *token.Token
 }
 
 func (n *ExprFunctionCall) Accept(v NodeVisitor) {
@@ -1146,7 +1153,8 @@ func (n *ExprFunctionCall) Accept(v NodeVisitor) {
 // ExprInclude node
 type ExprInclude struct {
 	Node
-	Expr Vertex
+	IncludeTkn *token.Token
+	Expr       Vertex
 }
 
 func (n *ExprInclude) Accept(v NodeVisitor) {
@@ -1156,7 +1164,8 @@ func (n *ExprInclude) Accept(v NodeVisitor) {
 // ExprIncludeOnce node
 type ExprIncludeOnce struct {
 	Node
-	Expr Vertex
+	IncludeTkn *token.Token
+	Expr       Vertex
 }
 
 func (n *ExprIncludeOnce) Accept(v NodeVisitor) {
diff --git a/pkg/ast/traverser/dfs.go b/pkg/ast/traverser/dfs.go
index 3da2562..95f2d4a 100644
--- a/pkg/ast/traverser/dfs.go
+++ b/pkg/ast/traverser/dfs.go
@@ -1303,10 +1303,12 @@ func (t *DFS) Traverse(n ast.Vertex) {
 			t.Traverse(nn.Function)
 			t.visitor.Leave("Function", true)
 		}
-		if nn.ArgumentList != nil {
-			t.visitor.Enter("ArgumentList", true)
-			t.Traverse(nn.ArgumentList)
-			t.visitor.Leave("ArgumentList", true)
+		if nn.Arguments != nil {
+			t.visitor.Enter("Arguments", false)
+			for _, c := range nn.Arguments {
+				t.Traverse(c)
+			}
+			t.visitor.Leave("Arguments", false)
 		}
 	case *ast.ExprInclude:
 		if nn == nil {
diff --git a/pkg/ast/visitor/dump.go b/pkg/ast/visitor/dump.go
index 5ae65a5..2e4f59b 100644
--- a/pkg/ast/visitor/dump.go
+++ b/pkg/ast/visitor/dump.go
@@ -692,11 +692,6 @@ func (v *Dump) ExprExit(n *ast.ExprExit) {
 	v.printIndentIfNotSingle(v.indent - 1)
 	v.print("&ast.ExprExit{\n")
 	v.printNode(n.GetNode())
-
-	if n.Die {
-		v.printIndent(v.indent)
-		v.print("Die: true,\n")
-	}
 }
 
 func (v *Dump) ExprFunctionCall(n *ast.ExprFunctionCall) {
diff --git a/pkg/printer/pretty_printer.go b/pkg/printer/pretty_printer.go
index 4f51213..79782fe 100644
--- a/pkg/printer/pretty_printer.go
+++ b/pkg/printer/pretty_printer.go
@@ -1074,11 +1074,7 @@ func (p *PrettyPrinter) printExprEval(n ast.Vertex) {
 func (p *PrettyPrinter) printExprExit(n ast.Vertex) {
 	nn := n.(*ast.ExprExit)
 
-	if nn.Die {
-		io.WriteString(p.w, "die(")
-	} else {
-		io.WriteString(p.w, "exit(")
-	}
+	io.WriteString(p.w, "exit(")
 	p.Print(nn.Expr)
 	io.WriteString(p.w, ")")
 }
@@ -1088,7 +1084,7 @@ func (p *PrettyPrinter) printExprFunctionCall(n ast.Vertex) {
 
 	p.Print(nn.Function)
 	io.WriteString(p.w, "(")
-	p.joinPrint(", ", nn.ArgumentList.Arguments)
+	p.joinPrint(", ", nn.Arguments)
 	io.WriteString(p.w, ")")
 }
 
diff --git a/pkg/printer/printer.go b/pkg/printer/printer.go
index 4e86c48..dfbe5f1 100644
--- a/pkg/printer/printer.go
+++ b/pkg/printer/printer.go
@@ -1590,8 +1590,8 @@ func (p *Printer) printExprExit(n ast.Vertex) {
 	nn := n.(*ast.ExprExit)
 	p.printFreeFloating(nn, token.Start)
 
-	if nn.Die {
-		p.write([]byte("die"))
+	if nn.DieTkn != nil {
+		p.write(nn.DieTkn.Value)
 	} else {
 		p.write([]byte("exit"))
 	}
@@ -1611,9 +1611,9 @@ func (p *Printer) printExprFunctionCall(n ast.Vertex) {
 
 	p.Print(nn.Function)
 
-	p.printFreeFloatingOrDefault(nn.ArgumentList, token.Start, "(")
-	p.joinPrint(",", nn.ArgumentList.Arguments)
-	p.printFreeFloatingOrDefault(nn.ArgumentList, token.End, ")")
+	p.printToken(nn.OpenParenthesisTkn, "(")
+	p.joinPrint(",", nn.Arguments)
+	p.printToken(nn.CloseParenthesisTkn, ")")
 
 	p.printFreeFloating(nn, token.End)
 }