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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef V8_PARSER_H_ | 5 #ifndef V8_PARSER_H_ |
6 #define V8_PARSER_H_ | 6 #define V8_PARSER_H_ |
7 | 7 |
8 #include "src/allocation.h" | 8 #include "src/allocation.h" |
9 #include "src/ast.h" | 9 #include "src/ast.h" |
10 #include "src/compiler.h" // TODO(titzer): remove this include dependency | 10 #include "src/compiler.h" // TODO(titzer): remove this include dependency |
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550 // Return types for traversing functions. | 550 // Return types for traversing functions. |
551 typedef const AstRawString* Identifier; | 551 typedef const AstRawString* Identifier; |
552 typedef v8::internal::Expression* Expression; | 552 typedef v8::internal::Expression* Expression; |
553 typedef Yield* YieldExpression; | 553 typedef Yield* YieldExpression; |
554 typedef v8::internal::FunctionLiteral* FunctionLiteral; | 554 typedef v8::internal::FunctionLiteral* FunctionLiteral; |
555 typedef v8::internal::ClassLiteral* ClassLiteral; | 555 typedef v8::internal::ClassLiteral* ClassLiteral; |
556 typedef v8::internal::Literal* Literal; | 556 typedef v8::internal::Literal* Literal; |
557 typedef ObjectLiteral::Property* ObjectLiteralProperty; | 557 typedef ObjectLiteral::Property* ObjectLiteralProperty; |
558 typedef ZoneList<v8::internal::Expression*>* ExpressionList; | 558 typedef ZoneList<v8::internal::Expression*>* ExpressionList; |
559 typedef ZoneList<ObjectLiteral::Property*>* PropertyList; | 559 typedef ZoneList<ObjectLiteral::Property*>* PropertyList; |
| 560 typedef const v8::internal::AstRawString* FormalParameter; |
| 561 typedef ZoneList<const v8::internal::AstRawString*>* FormalParameterList; |
560 typedef ZoneList<v8::internal::Statement*>* StatementList; | 562 typedef ZoneList<v8::internal::Statement*>* StatementList; |
561 | 563 |
562 // For constructing objects returned by the traversing functions. | 564 // For constructing objects returned by the traversing functions. |
563 typedef AstNodeFactory Factory; | 565 typedef AstNodeFactory Factory; |
564 }; | 566 }; |
565 | 567 |
566 explicit ParserTraits(Parser* parser) : parser_(parser) {} | 568 explicit ParserTraits(Parser* parser) : parser_(parser) {} |
567 | 569 |
568 // Helper functions for recursive descent. | 570 // Helper functions for recursive descent. |
569 bool IsEval(const AstRawString* identifier) const; | 571 bool IsEval(const AstRawString* identifier) const; |
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698 static Literal* EmptyLiteral() { | 700 static Literal* EmptyLiteral() { |
699 return NULL; | 701 return NULL; |
700 } | 702 } |
701 static ObjectLiteralProperty* EmptyObjectLiteralProperty() { return NULL; } | 703 static ObjectLiteralProperty* EmptyObjectLiteralProperty() { return NULL; } |
702 static FunctionLiteral* EmptyFunctionLiteral() { return NULL; } | 704 static FunctionLiteral* EmptyFunctionLiteral() { return NULL; } |
703 | 705 |
704 // Used in error return values. | 706 // Used in error return values. |
705 static ZoneList<Expression*>* NullExpressionList() { | 707 static ZoneList<Expression*>* NullExpressionList() { |
706 return NULL; | 708 return NULL; |
707 } | 709 } |
| 710 static const AstRawString* EmptyFormalParameter() { return NULL; } |
| 711 static ZoneList<const AstRawString*>* NullFormalParameterList() { |
| 712 return NULL; |
| 713 } |
708 | 714 |
709 // Non-NULL empty string. | 715 // Non-NULL empty string. |
710 V8_INLINE const AstRawString* EmptyIdentifierString(); | 716 V8_INLINE const AstRawString* EmptyIdentifierString(); |
711 | 717 |
712 // Odd-ball literal creators. | 718 // Odd-ball literal creators. |
713 Literal* GetLiteralTheHole(int position, AstNodeFactory* factory); | 719 Literal* GetLiteralTheHole(int position, AstNodeFactory* factory); |
714 | 720 |
715 // Producing data during the recursive descent. | 721 // Producing data during the recursive descent. |
716 const AstRawString* GetSymbol(Scanner* scanner); | 722 const AstRawString* GetSymbol(Scanner* scanner); |
717 const AstRawString* GetNextSymbol(Scanner* scanner); | 723 const AstRawString* GetNextSymbol(Scanner* scanner); |
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733 Expression* GetIterator(Expression* iterable, AstNodeFactory* factory); | 739 Expression* GetIterator(Expression* iterable, AstNodeFactory* factory); |
734 ZoneList<v8::internal::Expression*>* NewExpressionList(int size, Zone* zone) { | 740 ZoneList<v8::internal::Expression*>* NewExpressionList(int size, Zone* zone) { |
735 return new(zone) ZoneList<v8::internal::Expression*>(size, zone); | 741 return new(zone) ZoneList<v8::internal::Expression*>(size, zone); |
736 } | 742 } |
737 ZoneList<ObjectLiteral::Property*>* NewPropertyList(int size, Zone* zone) { | 743 ZoneList<ObjectLiteral::Property*>* NewPropertyList(int size, Zone* zone) { |
738 return new(zone) ZoneList<ObjectLiteral::Property*>(size, zone); | 744 return new(zone) ZoneList<ObjectLiteral::Property*>(size, zone); |
739 } | 745 } |
740 ZoneList<v8::internal::Statement*>* NewStatementList(int size, Zone* zone) { | 746 ZoneList<v8::internal::Statement*>* NewStatementList(int size, Zone* zone) { |
741 return new(zone) ZoneList<v8::internal::Statement*>(size, zone); | 747 return new(zone) ZoneList<v8::internal::Statement*>(size, zone); |
742 } | 748 } |
| 749 ZoneList<const v8::internal::AstRawString*>* NewFormalParameterList( |
| 750 int size, Zone* zone) { |
| 751 return new (zone) ZoneList<const v8::internal::AstRawString*>(size, zone); |
| 752 } |
743 V8_INLINE Scope* NewScope(Scope* parent_scope, ScopeType scope_type, | 753 V8_INLINE Scope* NewScope(Scope* parent_scope, ScopeType scope_type, |
744 FunctionKind kind = kNormalFunction); | 754 FunctionKind kind = kNormalFunction); |
745 | 755 |
746 // Utility functions | 756 // Utility functions |
747 int DeclareArrowParametersFromExpression(Expression* expression, Scope* scope, | 757 int DeclareArrowParametersFromExpression(Expression* expression, Scope* scope, |
748 Scanner::Location* undefined_loc, | 758 Scanner::Location* undefined_loc, |
749 Scanner::Location* dupe_loc, | 759 Scanner::Location* dupe_loc, |
750 bool* ok); | 760 bool* ok); |
751 | 761 |
752 // Temporary glue; these functions will move to ParserBase. | 762 // Temporary glue; these functions will move to ParserBase. |
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1161 } | 1171 } |
1162 | 1172 |
1163 | 1173 |
1164 Expression* ParserTraits::SpreadCallNew( | 1174 Expression* ParserTraits::SpreadCallNew( |
1165 Expression* function, ZoneList<v8::internal::Expression*>* args, int pos) { | 1175 Expression* function, ZoneList<v8::internal::Expression*>* args, int pos) { |
1166 return parser_->SpreadCallNew(function, args, pos); | 1176 return parser_->SpreadCallNew(function, args, pos); |
1167 } | 1177 } |
1168 } } // namespace v8::internal | 1178 } } // namespace v8::internal |
1169 | 1179 |
1170 #endif // V8_PARSER_H_ | 1180 #endif // V8_PARSER_H_ |
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