stmt visitor tests

Makefile

@@ -2,14 +2,14 @@ PHPFILE=example.php
 
 all: compile run
 
-build: 
+build:
 	gofmt -l -s -w **/*.go
 	go build
 
 run: build
 	./php-parser $(PHPFILE)
 
-test: build
+test:
 	go test ./... --cover
 
 compile: ./php5/php5.go ./php7/php7.go ./scanner/scanner.go

node/stmt/n_alt_if.go

@@ -71,7 +71,7 @@ func (n *AltIf) Walk(v walker.Visitor) {
 	}
 
 	if n.Else != nil {
-		vv := v.GetChildrenVisitor("else")
+		vv := v.GetChildrenVisitor("Else")
 		n.Else.Walk(vv)
 	}
 

node/stmt/n_do.go

@@ -31,15 +31,15 @@ func (n *Do) Walk(v walker.Visitor) {
 		return
 	}
 
-	if n.Cond != nil {
-		vv := v.GetChildrenVisitor("Cond")
-		n.Cond.Walk(vv)
-	}
-
 	if n.Stmt != nil {
 		vv := v.GetChildrenVisitor("Stmt")
 		n.Stmt.Walk(vv)
 	}
 
+	if n.Cond != nil {
+		vv := v.GetChildrenVisitor("Cond")
+		n.Cond.Walk(vv)
+	}
+
 	v.LeaveNode(n)
 }

node/stmt/n_group_use.go

@@ -8,15 +8,15 @@ import (
 // GroupUse node
 type GroupUse struct {
 	UseType node.Node
-	pRefix  node.Node
+	Prefix  node.Node
 	UseList []node.Node
 }
 
 // NewGroupUse node constuctor
-func NewGroupUse(UseType node.Node, pRefix node.Node, UseList []node.Node) *GroupUse {
+func NewGroupUse(UseType node.Node, Prefix node.Node, UseList []node.Node) *GroupUse {
 	return &GroupUse{
 		UseType,
-		pRefix,
+		Prefix,
 		UseList,
 	}
 }
@@ -43,9 +43,9 @@ func (n *GroupUse) Walk(v walker.Visitor) {
 		n.UseType.Walk(vv)
 	}
 
-	if n.pRefix != nil {
+	if n.Prefix != nil {
-		vv := v.GetChildrenVisitor("pRefix")
+		vv := v.GetChildrenVisitor("Prefix")
-		n.pRefix.Walk(vv)
+		n.Prefix.Walk(vv)
 	}
 
 	if n.UseList != nil {

node/stmt/n_if.go

@@ -71,7 +71,7 @@ func (n *If) Walk(v walker.Visitor) {
 	}
 
 	if n.Else != nil {
-		vv := v.GetChildrenVisitor("else")
+		vv := v.GetChildrenVisitor("Else")
 		n.Else.Walk(vv)
 	}
 

node/stmt/n_switch.go

@@ -2,23 +2,20 @@ package stmt
 
 import (
 	"github.com/z7zmey/php-parser/node"
-	"github.com/z7zmey/php-parser/token"
 	"github.com/z7zmey/php-parser/walker"
 )
 
 // Switch node
 type Switch struct {
-	token token.Token
 	Cond  node.Node
-	cases []node.Node
+	Cases []node.Node
 }
 
 // NewSwitch node constuctor
-func NewSwitch(token token.Token, Cond node.Node, cases []node.Node) *Switch {
+func NewSwitch(Cond node.Node, Cases []node.Node) *Switch {
 	return &Switch{
-		token,
 		Cond,
-		cases,
+		Cases,
 	}
 }
 
@@ -39,9 +36,9 @@ func (n *Switch) Walk(v walker.Visitor) {
 		n.Cond.Walk(vv)
 	}
 
-	if n.cases != nil {
+	if n.Cases != nil {
-		vv := v.GetChildrenVisitor("cases")
+		vv := v.GetChildrenVisitor("Cases")
-		for _, nn := range n.cases {
+		for _, nn := range n.Cases {
 			if nn != nil {
 				nn.Walk(vv)
 			}

node/stmt/n_while.go

@@ -2,21 +2,18 @@ package stmt
 
 import (
 	"github.com/z7zmey/php-parser/node"
-	"github.com/z7zmey/php-parser/token"
 	"github.com/z7zmey/php-parser/walker"
 )
 
 // While node
 type While struct {
-	Token token.Token
 	Cond  node.Node
 	Stmt  node.Node
 }
 
 // NewWhile node constuctor
-func NewWhile(Token token.Token, Cond node.Node, Stmt node.Node) *While {
+func NewWhile(Cond node.Node, Stmt node.Node) *While {
 	return &While{
-		Token,
 		Cond,
 		Stmt,
 	}

node/stmt/t_visitor_test.go

@@ -0,0 +1,493 @@
+package stmt_test
+
+import (
+	"github.com/z7zmey/php-parser/node/expr"
+	"github.com/z7zmey/php-parser/node/stmt"
+	"reflect"
+	"testing"
+
+	"github.com/z7zmey/php-parser/node"
+	"github.com/z7zmey/php-parser/walker"
+	"github.com/kylelemons/godebug/pretty"
+)
+
+var nodesToTest = []struct {
+	node                node.Node // node
+	expectedVisitedKeys []string  // visited keys
+	expectedAttributes  map[string]interface{}
+}{
+	{
+		&stmt.AltIf{
+			Cond:   &stmt.Expression{},
+			Stmt:   &stmt.StmtList{},
+			ElseIf: []node.Node{&stmt.ElseIf{}},
+			Else:   &stmt.Else{},
+		},
+		[]string{"Cond", "Stmt", "ElseIf", "Else"},
+		map[string]interface{}{},
+	},
+	{
+		&stmt.AltElse{
+			Stmt:   &stmt.StmtList{},
+		},
+		[]string{"Stmt"},
+		map[string]interface{}{},
+	},
+	{
+		&stmt.AltElseIf{
+			Cond:   &stmt.Expression{},
+			Stmt:   &stmt.StmtList{},
+		},
+		[]string{"Cond", "Stmt"},
+		map[string]interface{}{},
+	},
+	{
+		&stmt.Break{
+			Expr:   &stmt.Expression{},
+		},
+		[]string{"Expr"},
+		map[string]interface{}{},
+	},
+	{
+		&stmt.Case{
+			Cond:   &stmt.Expression{},
+			Stmts:  []node.Node{},
+		},
+		[]string{"Cond", "Stmts"},
+		map[string]interface{}{},
+	},
+	{
+		&stmt.Catch{
+			Types:    []node.Node{},
+			Variable: &expr.Variable{},
+			Stmts:    []node.Node{},
+		},
+		[]string{"Types", "Variable", "Stmts"},
+		map[string]interface{}{},
+	},
+	{
+		&stmt.ClassConstList{
+			Modifiers: []node.Node{},
+			Consts:    []node.Node{},
+		},
+		[]string{"Modifiers", "Consts"},
+		map[string]interface{}{},
+	},
+	{
+		&stmt.ClassMethod{
+			ReturnsRef:    true,
+			PhpDocComment: "/** */",
+			MethodName:    &node.Identifier{},
+			Modifiers:     []node.Node{},
+			Params:        []node.Node{},
+			ReturnType:    &node.Identifier{},
+			Stmts:         []node.Node{},
+		},
+		[]string{"MethodName", "Modifiers", "Params", "ReturnType", "Stmts"},
+		map[string]interface{}{"ReturnsRef": true, "PhpDocComment": "/** */"},
+	},
+	{
+		&stmt.Class{
+			PhpDocComment: "/** */",
+			ClassName:     &node.Identifier{},
+			Modifiers:     []node.Node{},
+			Args:          []node.Node{},
+			Extends:       &node.Identifier{},
+			Implements:    []node.Node{},
+			Stmts:         []node.Node{},
+		},
+		[]string{"ClassName", "Modifiers", "Args", "Extends", "Implements", "Stmts"},
+		map[string]interface{}{"PhpDocComment": "/** */"},
+	},
+	{
+		&stmt.ConstList{
+			Consts:         []node.Node{},
+		},
+		[]string{"Consts"},
+		map[string]interface{}{},
+	},
+	{
+		&stmt.Constant{
+			PhpDocComment: "/** */",
+			ConstantName:  &node.Identifier{},
+			Expr:          &stmt.Expression{},
+		},
+		[]string{"ConstantName", "Expr"},
+		map[string]interface{}{"PhpDocComment": "/** */"},
+	},
+	{
+		&stmt.Continue{
+			Expr:          &stmt.Expression{},
+		},
+		[]string{"Expr"},
+		map[string]interface{}{},
+	},
+	{
+		&stmt.Declare{
+			Consts: []node.Node{},
+			Stmt:   &stmt.StmtList{},
+		},
+		[]string{"Consts", "Stmt"},
+		map[string]interface{}{},
+	},
+	{
+		&stmt.Default{
+			Stmts: []node.Node{},
+		},
+		[]string{"Stmts"},
+		map[string]interface{}{},
+	},
+	{
+		&stmt.Do{
+			Stmt: &stmt.StmtList{},
+			Cond: &expr.Variable{},
+		},
+		[]string{"Stmt", "Cond"},
+		map[string]interface{}{},
+	},
+	{
+		&stmt.Do{
+			Stmt: &stmt.StmtList{},
+			Cond: &expr.Variable{},
+		},
+		[]string{"Stmt", "Cond"},
+		map[string]interface{}{},
+	},
+	{
+		&stmt.Echo{
+			Exprs: []node.Node{},
+		},
+		[]string{"Exprs"},
+		map[string]interface{}{},
+	},
+	{
+		&stmt.If{
+			Cond:   &stmt.Expression{},
+			Stmt:   &stmt.StmtList{},
+			ElseIf: []node.Node{&stmt.ElseIf{}},
+			Else:   &stmt.Else{},
+		},
+		[]string{"Cond", "Stmt", "ElseIf", "Else"},
+		map[string]interface{}{},
+	},
+	{
+		&stmt.Else{
+			Stmt:   &stmt.StmtList{},
+		},
+		[]string{"Stmt"},
+		map[string]interface{}{},
+	},
+	{
+		&stmt.ElseIf{
+			Cond:   &stmt.Expression{},
+			Stmt:   &stmt.StmtList{},
+		},
+		[]string{"Cond", "Stmt"},
+		map[string]interface{}{},
+	},
+	{
+		&stmt.Expression{
+			Expr:          &stmt.Expression{},
+		},
+		[]string{"Expr"},
+		map[string]interface{}{},
+	},
+	{
+		&stmt.Finally{
+			Stmts: []node.Node{},
+		},
+		[]string{"Stmts"},
+		map[string]interface{}{},
+	},
+	{
+		&stmt.For{
+			Init: []node.Node{},
+			Cond: []node.Node{},
+			Loop: []node.Node{},
+			Stmt: &stmt.StmtList{},
+		},
+		[]string{"Init", "Cond", "Loop", "Stmt"},
+		map[string]interface{}{},
+	},
+	{
+		&stmt.Foreach{
+			ByRef:    true,
+			Expr:     &stmt.Expression{},
+			Key:      &expr.Variable{},
+			Variable: &expr.Variable{},
+			Stmt:     &stmt.StmtList{},
+		},
+		[]string{"Expr", "Key", "Variable", "Stmt"},
+		map[string]interface{}{"ByRef": true},
+	},
+	{
+		&stmt.Function{
+			ReturnsRef:    true,
+			PhpDocComment:  "/** */",
+			FunctionName:  &node.Identifier{},
+			Params:        []node.Node{},
+			ReturnType:    &node.Identifier{},
+			Stmts:         []node.Node{},
+		},
+		[]string{"FunctionName", "Params", "ReturnType", "Stmts"},
+		map[string]interface{}{"ReturnsRef": true, "PhpDocComment": "/** */"},
+	},
+	{
+		&stmt.Global{
+			Vars: []node.Node{},
+		},
+		[]string{"Vars"},
+		map[string]interface{}{},
+	},
+	{
+		&stmt.Goto{
+			Label: &node.Identifier{},
+		},
+		[]string{"Label"},
+		map[string]interface{}{},
+	},
+	{
+		&stmt.GroupUse{
+			UseType: &node.Identifier{},
+			Prefix:  &node.Identifier{},
+			UseList: []node.Node{},
+		},
+		[]string{"UseType", "Prefix", "UseList"},
+		map[string]interface{}{},
+	},
+	{
+		&stmt.HaltCompiler{},
+		[]string{},
+		map[string]interface{}{},
+	},
+	{
+		&stmt.InlineHtml{
+			Value:  "hello",
+		},
+		[]string{},
+		map[string]interface{}{"Value": "hello"},
+	},
+	{
+		&stmt.Interface{
+			PhpDocComment: "/** */",
+			InterfaceName: &node.Identifier{},
+			Extends:       []node.Node{},
+			Stmts:         []node.Node{},
+		},
+		[]string{"InterfaceName", "Extends", "Stmts"},
+		map[string]interface{}{"PhpDocComment": "/** */"},
+	},
+	{
+		&stmt.Label{
+			LabelName: &node.Identifier{},
+		},
+		[]string{"LabelName"},
+		map[string]interface{}{},
+	},
+	{
+		&stmt.Namespace{
+			NamespaceName: &node.Identifier{},
+			Stmts: []node.Node{},
+		},
+		[]string{"NamespaceName", "Stmts"},
+		map[string]interface{}{},
+	},
+	{
+		&stmt.Nop{},
+		[]string{},
+		map[string]interface{}{},
+	},
+	{
+		&stmt.PropertyList{
+			Modifiers:  []node.Node{},
+			Properties: []node.Node{},
+		},
+		[]string{"Modifiers", "Properties"},
+		map[string]interface{}{},
+	},
+	{
+		&stmt.Property{
+			PhpDocComment:  "/** */",
+			Variable:      &expr.Variable{},
+			Expr:          &stmt.Expression{},
+		},
+		[]string{"Variable", "Expr"},
+		map[string]interface{}{"PhpDocComment": "/** */"},
+	},
+	{
+		&stmt.Return{
+			Expr: &stmt.Expression{},
+		},
+		[]string{"Expr"},
+		map[string]interface{}{},
+	},
+	{
+		&stmt.StaticVar{
+			Variable: &expr.Variable{},
+			Expr:     &stmt.Expression{},
+		},
+		[]string{"Variable", "Expr"},
+		map[string]interface{}{},
+	},
+	{
+		&stmt.Static{
+			Vars: []node.Node{},
+		},
+		[]string{"Vars"},
+		map[string]interface{}{},
+	},
+	{
+		&stmt.Switch{
+			Cond:  &expr.Variable{},
+			Cases: []node.Node{},
+		},
+		[]string{"Cond", "Cases"},
+		map[string]interface{}{},
+	},
+	{
+		&stmt.Throw{
+			Expr: &stmt.Expression{},
+		},
+		[]string{"Expr"},
+		map[string]interface{}{},
+	},
+	{
+		&stmt.TraitMethodRef{
+			Trait:  &node.Identifier{},
+			Method: &node.Identifier{},
+		},
+		[]string{"Trait", "Method"},
+		map[string]interface{}{},
+	},
+	{
+		&stmt.TraitUseAlias{
+			Ref:      &node.Identifier{},
+			Modifier: &node.Identifier{},
+			Alias:    &node.Identifier{},
+		},
+		[]string{"Ref", "Modifier", "Alias"},
+		map[string]interface{}{},
+	},
+	{
+		&stmt.TraitUsePrecedence{
+			Ref:       &node.Identifier{},
+			Insteadof: &node.Identifier{},
+		},
+		[]string{"Ref", "Insteadof"},
+		map[string]interface{}{},
+	},
+	{
+		&stmt.TraitUse{
+			Traits:      []node.Node{},
+			Adaptations: []node.Node{},
+		},
+		[]string{"Traits", "Adaptations"},
+		map[string]interface{}{},
+	},
+	{
+		&stmt.Trait{
+			PhpDocComment: "/** */",
+			TraitName:     &node.Identifier{},
+			Stmts:         []node.Node{},
+		},
+		[]string{"TraitName", "Stmts"},
+		map[string]interface{}{"PhpDocComment": "/** */"},
+	},
+	{
+		&stmt.Try{
+			Stmts:   []node.Node{},
+			Catches: []node.Node{},
+			Finally: &stmt.Finally{},
+		},
+		[]string{"Stmts", "Catches", "Finally"},
+		map[string]interface{}{},
+	},
+	{
+		&stmt.Unset{
+			Vars: []node.Node{},
+		},
+		[]string{"Vars"},
+		map[string]interface{}{},
+	},
+	{
+		&stmt.UseList{
+			UseType: &node.Identifier{},
+			Uses:    []node.Node{},
+		},
+		[]string{"UseType", "Uses"},
+		map[string]interface{}{},
+	},
+	{
+		&stmt.Use{
+			UseType: &node.Identifier{},
+			Use:     &node.Identifier{},
+			Alias:   &node.Identifier{},
+		},
+		[]string{"UseType", "Use", "Alias"},
+		map[string]interface{}{},
+	},
+	{
+		&stmt.While{
+			Cond:  &expr.Variable{},
+			Stmt:  &stmt.StmtList{},
+		},
+		[]string{"Cond", "Stmt"},
+		map[string]interface{}{},
+	},
+}
+
+type visitorMock struct {
+	visitChildren bool
+	visitedKeys   []string
+}
+
+func (v *visitorMock) EnterNode(n walker.Walker) bool { return v.visitChildren }
+func (v *visitorMock) GetChildrenVisitor(key string) walker.Visitor {
+	v.visitedKeys = append(v.visitedKeys, key)
+	return &visitorMock{v.visitChildren, nil}
+}
+func (v *visitorMock) LeaveNode(n walker.Walker) {}
+
+func TestVisitorDisableChildren(t *testing.T) {
+	for _, tt := range nodesToTest {
+		v := &visitorMock{false, nil}
+		tt.node.Walk(v)
+
+		expected := []string{}
+		actual := v.visitedKeys
+
+		diff := pretty.Compare(expected, actual)
+		if diff != "" {
+			t.Errorf("%s diff: (-expected +actual)\n%s", reflect.TypeOf(tt.node), diff)
+		}
+	}
+}
+
+func TestVisitor(t *testing.T) {
+	for _, tt := range nodesToTest {
+		v := &visitorMock{true, nil}
+		tt.node.Walk(v)
+
+		expected := tt.expectedVisitedKeys
+		actual := v.visitedKeys
+
+		diff := pretty.Compare(expected, actual)
+		if diff != "" {
+			t.Errorf("%s diff: (-expected +actual)\n%s", reflect.TypeOf(tt.node), diff)
+		}
+	}
+}
+
+// test Attributes()
+
+func TestNameAttributes(t *testing.T) {
+	for _, tt := range nodesToTest {
+		expected := tt.expectedAttributes
+		actual := tt.node.Attributes()
+
+		diff := pretty.Compare(expected, actual)
+		if diff != "" {
+			t.Errorf("%s diff: (-expected +actual)\n%s", reflect.TypeOf(tt.node), diff)
+		}
+	}
+}

php5/php5.go

@@ -2692,7 +2692,7 @@ yydefault:
 		yyDollar = yyS[yypt-3 : yypt+1]
 		//line php5/php5.y:605
 		{
-			yyVAL.node = stmt.NewWhile(yyDollar[1].token, yyDollar[2].node, yyDollar[3].node)
+			yyVAL.node = stmt.NewWhile(yyDollar[2].node, yyDollar[3].node)
 			positions.AddPosition(yyVAL.node, positionBuilder.NewTokenNodePosition(yyDollar[1].token, yyDollar[3].node))
 			comments.AddComments(yyVAL.node, yyDollar[1].token.Comments())
 		}
@@ -2716,7 +2716,7 @@ yydefault:
 		yyDollar = yyS[yypt-3 : yypt+1]
 		//line php5/php5.y:623
 		{
-			yyVAL.node = stmt.NewSwitch(yyDollar[1].token, yyDollar[2].node, yyDollar[3].nodesWithEndToken.nodes)
+			yyVAL.node = stmt.NewSwitch(yyDollar[2].node, yyDollar[3].nodesWithEndToken.nodes)
 			positions.AddPosition(yyVAL.node, positionBuilder.NewTokensPosition(yyDollar[1].token, yyDollar[3].nodesWithEndToken.endToken))
 			comments.AddComments(yyVAL.node, yyDollar[1].token.Comments())
 		}

php5/php5.y

@@ -603,7 +603,7 @@ unticked_statement:
             }
     |   T_WHILE parenthesis_expr while_statement
             {
-                $$ = stmt.NewWhile($1, $2, $3)
+                $$ = stmt.NewWhile($2, $3)
                 positions.AddPosition($$, positionBuilder.NewTokenNodePosition($1, $3))
                 comments.AddComments($$, $1.Comments())
             }
@@ -621,7 +621,7 @@ unticked_statement:
             }
     |   T_SWITCH parenthesis_expr switch_case_list
             {
-                $$ = stmt.NewSwitch($1, $2, $3.nodes)
+                $$ = stmt.NewSwitch($2, $3.nodes)
                 positions.AddPosition($$, positionBuilder.NewTokensPosition($1, $3.endToken))
                 comments.AddComments($$, $1.Comments())
             }

php7/php7.go

@@ -2880,7 +2880,7 @@ yydefault:
 		yyDollar = yyS[yypt-5 : yypt+1]
 		//line php7/php7.y:525
 		{
-			yyVAL.node = stmt.NewWhile(yyDollar[1].token, yyDollar[3].node, yyDollar[5].node)
+			yyVAL.node = stmt.NewWhile(yyDollar[3].node, yyDollar[5].node)
 			positions.AddPosition(yyVAL.node, positionBuilder.NewTokenNodePosition(yyDollar[1].token, yyDollar[5].node))
 			comments.AddComments(yyVAL.node, yyDollar[1].token.Comments())
 		}
@@ -2904,7 +2904,7 @@ yydefault:
 		yyDollar = yyS[yypt-5 : yypt+1]
 		//line php7/php7.y:543
 		{
-			yyVAL.node = stmt.NewSwitch(yyDollar[1].token, yyDollar[3].node, yyDollar[5].nodesWithEndToken.nodes)
+			yyVAL.node = stmt.NewSwitch(yyDollar[3].node, yyDollar[5].nodesWithEndToken.nodes)
 			positions.AddPosition(yyVAL.node, positionBuilder.NewTokensPosition(yyDollar[1].token, yyDollar[5].nodesWithEndToken.endToken))
 			comments.AddComments(yyVAL.node, yyDollar[1].token.Comments())
 		}

php7/php7.y

@@ -523,7 +523,7 @@ statement:
     |   alt_if_stmt                                     { $$ = $1; }
     |   T_WHILE '(' expr ')' while_statement
         {
-            $$ = stmt.NewWhile($1, $3, $5)
+            $$ = stmt.NewWhile($3, $5)
             positions.AddPosition($$, positionBuilder.NewTokenNodePosition($1, $5))
             comments.AddComments($$, $1.Comments())
         }
@@ -541,7 +541,7 @@ statement:
         }
     |   T_SWITCH '(' expr ')' switch_case_list
         {
-            $$ = stmt.NewSwitch($1, $3, $5.nodes)
+            $$ = stmt.NewSwitch($3, $5.nodes)
             positions.AddPosition($$, positionBuilder.NewTokensPosition($1, $5.endToken))
             comments.AddComments($$, $1.Comments())
         }