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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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| 483 *has_function = true; | 483 *has_function = true; |
| 484 value->AsFunctionLiteral()->set_pretenure(); | 484 value->AsFunctionLiteral()->set_pretenure(); |
| 485 } | 485 } |
| 486 } | 486 } |
| 487 | 487 |
| 488 // If we assign a function literal to a property we pretenure the | 488 // If we assign a function literal to a property we pretenure the |
| 489 // literal so it can be added as a constant function property. | 489 // literal so it can be added as a constant function property. |
| 490 static void CheckAssigningFunctionLiteralToProperty(Expression* left, | 490 static void CheckAssigningFunctionLiteralToProperty(Expression* left, |
| 491 Expression* right); | 491 Expression* right); |
| 492 | 492 |
| 493 // Determine whether the expression is a valid assignment left-hand side. | |
| 494 static bool IsValidLeftHandSide(Expression* expression) { | |
| 495 return expression->IsValidLeftHandSide(); | |
| 496 } | |
| 497 | |
| 498 // Determine if the expression is a variable proxy and mark it as being used | 493 // Determine if the expression is a variable proxy and mark it as being used |
| 499 // in an assignment or with a increment/decrement operator. This is currently | 494 // in an assignment or with a increment/decrement operator. This is currently |
| 500 // used on for the statically checking assignments to harmony const bindings. | 495 // used on for the statically checking assignments to harmony const bindings. |
| 501 static Expression* MarkExpressionAsLValue(Expression* expression); | 496 static Expression* MarkExpressionAsLValue(Expression* expression); |
| 502 | 497 |
| 503 // Checks LHS expression for assignment and prefix/postfix increment/decrement | 498 // Checks LHS expression for assignment and prefix/postfix increment/decrement |
| 504 // in strict mode. | 499 // in strict mode. |
| 505 void CheckStrictModeLValue(Expression*expression, bool* ok); | 500 void CheckStrictModeLValue(Expression*expression, bool* ok); |
| 506 | 501 |
| 507 // Returns true if we have a binary expression between two numeric | 502 // Returns true if we have a binary expression between two numeric |
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| 582 // Temporary glue; these functions will move to ParserBase. | 577 // Temporary glue; these functions will move to ParserBase. |
| 583 Expression* ParseV8Intrinsic(bool* ok); | 578 Expression* ParseV8Intrinsic(bool* ok); |
| 584 FunctionLiteral* ParseFunctionLiteral( | 579 FunctionLiteral* ParseFunctionLiteral( |
| 585 Handle<String> name, | 580 Handle<String> name, |
| 586 Scanner::Location function_name_location, | 581 Scanner::Location function_name_location, |
| 587 bool name_is_strict_reserved, | 582 bool name_is_strict_reserved, |
| 588 bool is_generator, | 583 bool is_generator, |
| 589 int function_token_position, | 584 int function_token_position, |
| 590 FunctionLiteral::FunctionType type, | 585 FunctionLiteral::FunctionType type, |
| 591 bool* ok); | 586 bool* ok); |
| 592 Expression* ParsePostfixExpression(bool* ok); | 587 Expression* ParseLeftHandSideExpression(bool* ok); |
| 593 | 588 |
| 594 private: | 589 private: |
| 595 Parser* parser_; | 590 Parser* parser_; |
| 596 }; | 591 }; |
| 597 | 592 |
| 598 | 593 |
| 599 class Parser : public ParserBase<ParserTraits> { | 594 class Parser : public ParserBase<ParserTraits> { |
| 600 public: | 595 public: |
| 601 explicit Parser(CompilationInfo* info); | 596 explicit Parser(CompilationInfo* info); |
| 602 ~Parser() { | 597 ~Parser() { |
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| 741 Statement* ParseForStatement(ZoneStringList* labels, bool* ok); | 736 Statement* ParseForStatement(ZoneStringList* labels, bool* ok); |
| 742 Statement* ParseThrowStatement(bool* ok); | 737 Statement* ParseThrowStatement(bool* ok); |
| 743 Expression* MakeCatchContext(Handle<String> id, VariableProxy* value); | 738 Expression* MakeCatchContext(Handle<String> id, VariableProxy* value); |
| 744 TryStatement* ParseTryStatement(bool* ok); | 739 TryStatement* ParseTryStatement(bool* ok); |
| 745 DebuggerStatement* ParseDebuggerStatement(bool* ok); | 740 DebuggerStatement* ParseDebuggerStatement(bool* ok); |
| 746 | 741 |
| 747 // Support for hamony block scoped bindings. | 742 // Support for hamony block scoped bindings. |
| 748 Block* ParseScopedBlock(ZoneStringList* labels, bool* ok); | 743 Block* ParseScopedBlock(ZoneStringList* labels, bool* ok); |
| 749 | 744 |
| 750 Expression* ParseUnaryExpression(bool* ok); | 745 Expression* ParseUnaryExpression(bool* ok); |
| 751 Expression* ParsePostfixExpression(bool* ok); | |
| 752 Expression* ParseLeftHandSideExpression(bool* ok); | 746 Expression* ParseLeftHandSideExpression(bool* ok); |
| 753 Expression* ParseMemberWithNewPrefixesExpression(bool* ok); | 747 Expression* ParseMemberWithNewPrefixesExpression(bool* ok); |
| 754 Expression* ParseMemberExpression(bool* ok); | 748 Expression* ParseMemberExpression(bool* ok); |
| 755 Expression* ParseMemberExpressionContinuation(Expression* expression, | 749 Expression* ParseMemberExpressionContinuation(Expression* expression, |
| 756 bool* ok); | 750 bool* ok); |
| 757 Expression* ParseObjectLiteral(bool* ok); | 751 Expression* ParseObjectLiteral(bool* ok); |
| 758 | 752 |
| 759 // Initialize the components of a for-in / for-of statement. | 753 // Initialize the components of a for-in / for-of statement. |
| 760 void InitializeForEachStatement(ForEachStatement* stmt, | 754 void InitializeForEachStatement(ForEachStatement* stmt, |
| 761 Expression* each, | 755 Expression* each, |
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| 871 private: | 865 private: |
| 872 static const int kLiteralTypeSlot = 0; | 866 static const int kLiteralTypeSlot = 0; |
| 873 static const int kElementsSlot = 1; | 867 static const int kElementsSlot = 1; |
| 874 | 868 |
| 875 DISALLOW_IMPLICIT_CONSTRUCTORS(CompileTimeValue); | 869 DISALLOW_IMPLICIT_CONSTRUCTORS(CompileTimeValue); |
| 876 }; | 870 }; |
| 877 | 871 |
| 878 } } // namespace v8::internal | 872 } } // namespace v8::internal |
| 879 | 873 |
| 880 #endif // V8_PARSER_H_ | 874 #endif // V8_PARSER_H_ |
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