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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 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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468 | 468 |
469 static bool IsArrayIndex(Handle<String> string, uint32_t* index) { | 469 static bool IsArrayIndex(Handle<String> string, uint32_t* index) { |
470 return !string.is_null() && string->AsArrayIndex(index); | 470 return !string.is_null() && string->AsArrayIndex(index); |
471 } | 471 } |
472 | 472 |
473 // Functions for encapsulating the differences between parsing and preparsing; | 473 // Functions for encapsulating the differences between parsing and preparsing; |
474 // operations interleaved with the recursive descent. | 474 // operations interleaved with the recursive descent. |
475 static void PushLiteralName(FuncNameInferrer* fni, Handle<String> id) { | 475 static void PushLiteralName(FuncNameInferrer* fni, Handle<String> id) { |
476 fni->PushLiteralName(id); | 476 fni->PushLiteralName(id); |
477 } | 477 } |
478 void MaybePushPropertyName(FuncNameInferrer* fni, Expression* expression); | |
Michael Starzinger
2014/03/21 10:09:59
nit: Can we call this PushPropertyOrLiteralName, b
marja
2014/03/21 10:28:24
-> PushPropertyName as discussed offline
| |
478 | 479 |
479 static void CheckFunctionLiteralInsideTopLevelObjectLiteral( | 480 static void CheckFunctionLiteralInsideTopLevelObjectLiteral( |
480 Scope* scope, Expression* value, bool* has_function) { | 481 Scope* scope, Expression* value, bool* has_function) { |
481 if (scope->DeclarationScope()->is_global_scope() && | 482 if (scope->DeclarationScope()->is_global_scope() && |
482 value->AsFunctionLiteral() != NULL) { | 483 value->AsFunctionLiteral() != NULL) { |
483 *has_function = true; | 484 *has_function = true; |
484 value->AsFunctionLiteral()->set_pretenure(); | 485 value->AsFunctionLiteral()->set_pretenure(); |
485 } | 486 } |
486 } | 487 } |
487 | 488 |
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540 // "null" return type creators. | 541 // "null" return type creators. |
541 static Handle<String> EmptyIdentifier() { | 542 static Handle<String> EmptyIdentifier() { |
542 return Handle<String>(); | 543 return Handle<String>(); |
543 } | 544 } |
544 static Expression* EmptyExpression() { | 545 static Expression* EmptyExpression() { |
545 return NULL; | 546 return NULL; |
546 } | 547 } |
547 static Literal* EmptyLiteral() { | 548 static Literal* EmptyLiteral() { |
548 return NULL; | 549 return NULL; |
549 } | 550 } |
551 // Used in error return values. | |
550 static ZoneList<Expression*>* NullExpressionList() { | 552 static ZoneList<Expression*>* NullExpressionList() { |
551 return NULL; | 553 return NULL; |
552 } | 554 } |
553 | 555 |
554 // Odd-ball literal creators. | 556 // Odd-ball literal creators. |
555 Literal* GetLiteralTheHole(int position, | 557 Literal* GetLiteralTheHole(int position, |
556 AstNodeFactory<AstConstructionVisitor>* factory); | 558 AstNodeFactory<AstConstructionVisitor>* factory); |
557 | 559 |
558 // Producing data during the recursive descent. | 560 // Producing data during the recursive descent. |
559 Handle<String> GetSymbol(Scanner* scanner = NULL); | 561 Handle<String> GetSymbol(Scanner* scanner = NULL); |
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580 // Temporary glue; these functions will move to ParserBase. | 582 // Temporary glue; these functions will move to ParserBase. |
581 Expression* ParseV8Intrinsic(bool* ok); | 583 Expression* ParseV8Intrinsic(bool* ok); |
582 FunctionLiteral* ParseFunctionLiteral( | 584 FunctionLiteral* ParseFunctionLiteral( |
583 Handle<String> name, | 585 Handle<String> name, |
584 Scanner::Location function_name_location, | 586 Scanner::Location function_name_location, |
585 bool name_is_strict_reserved, | 587 bool name_is_strict_reserved, |
586 bool is_generator, | 588 bool is_generator, |
587 int function_token_position, | 589 int function_token_position, |
588 FunctionLiteral::FunctionType type, | 590 FunctionLiteral::FunctionType type, |
589 bool* ok); | 591 bool* ok); |
590 Expression* ParseMemberWithNewPrefixesExpression(bool* ok); | |
591 | 592 |
592 private: | 593 private: |
593 Parser* parser_; | 594 Parser* parser_; |
594 }; | 595 }; |
595 | 596 |
596 | 597 |
597 class Parser : public ParserBase<ParserTraits> { | 598 class Parser : public ParserBase<ParserTraits> { |
598 public: | 599 public: |
599 explicit Parser(CompilationInfo* info); | 600 explicit Parser(CompilationInfo* info); |
600 ~Parser() { | 601 ~Parser() { |
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716 WhileStatement* ParseWhileStatement(ZoneStringList* labels, bool* ok); | 717 WhileStatement* ParseWhileStatement(ZoneStringList* labels, bool* ok); |
717 Statement* ParseForStatement(ZoneStringList* labels, bool* ok); | 718 Statement* ParseForStatement(ZoneStringList* labels, bool* ok); |
718 Statement* ParseThrowStatement(bool* ok); | 719 Statement* ParseThrowStatement(bool* ok); |
719 Expression* MakeCatchContext(Handle<String> id, VariableProxy* value); | 720 Expression* MakeCatchContext(Handle<String> id, VariableProxy* value); |
720 TryStatement* ParseTryStatement(bool* ok); | 721 TryStatement* ParseTryStatement(bool* ok); |
721 DebuggerStatement* ParseDebuggerStatement(bool* ok); | 722 DebuggerStatement* ParseDebuggerStatement(bool* ok); |
722 | 723 |
723 // Support for hamony block scoped bindings. | 724 // Support for hamony block scoped bindings. |
724 Block* ParseScopedBlock(ZoneStringList* labels, bool* ok); | 725 Block* ParseScopedBlock(ZoneStringList* labels, bool* ok); |
725 | 726 |
726 Expression* ParseMemberWithNewPrefixesExpression(bool* ok); | |
727 Expression* ParseMemberExpression(bool* ok); | |
728 Expression* ParseMemberExpressionContinuation(Expression* expression, | |
729 bool* ok); | |
730 // Initialize the components of a for-in / for-of statement. | 727 // Initialize the components of a for-in / for-of statement. |
731 void InitializeForEachStatement(ForEachStatement* stmt, | 728 void InitializeForEachStatement(ForEachStatement* stmt, |
732 Expression* each, | 729 Expression* each, |
733 Expression* subject, | 730 Expression* subject, |
734 Statement* body); | 731 Statement* body); |
735 | 732 |
736 FunctionLiteral* ParseFunctionLiteral( | 733 FunctionLiteral* ParseFunctionLiteral( |
737 Handle<String> name, | 734 Handle<String> name, |
738 Scanner::Location function_name_location, | 735 Scanner::Location function_name_location, |
739 bool name_is_strict_reserved, | 736 bool name_is_strict_reserved, |
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840 private: | 837 private: |
841 static const int kLiteralTypeSlot = 0; | 838 static const int kLiteralTypeSlot = 0; |
842 static const int kElementsSlot = 1; | 839 static const int kElementsSlot = 1; |
843 | 840 |
844 DISALLOW_IMPLICIT_CONSTRUCTORS(CompileTimeValue); | 841 DISALLOW_IMPLICIT_CONSTRUCTORS(CompileTimeValue); |
845 }; | 842 }; |
846 | 843 |
847 } } // namespace v8::internal | 844 } } // namespace v8::internal |
848 | 845 |
849 #endif // V8_PARSER_H_ | 846 #endif // V8_PARSER_H_ |
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