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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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559 void ReportMessage(const char* message, Vector<const char*> args); | 559 void ReportMessage(const char* message, Vector<const char*> args); |
560 | 560 |
561 bool inside_with() const { return top_scope_->inside_with(); } | 561 bool inside_with() const { return top_scope_->inside_with(); } |
562 Scanner& scanner() { return scanner_; } | 562 Scanner& scanner() { return scanner_; } |
563 Mode mode() const { return mode_; } | 563 Mode mode() const { return mode_; } |
564 ScriptDataImpl* pre_data() const { return pre_data_; } | 564 ScriptDataImpl* pre_data() const { return pre_data_; } |
565 bool is_extended_mode() { | 565 bool is_extended_mode() { |
566 ASSERT(top_scope_ != NULL); | 566 ASSERT(top_scope_ != NULL); |
567 return top_scope_->is_extended_mode(); | 567 return top_scope_->is_extended_mode(); |
568 } | 568 } |
| 569 Scope* DeclarationScope(VariableMode mode) { |
| 570 return (mode == LET || mode == CONST_HARMONY) |
| 571 ? top_scope_ : top_scope_->DeclarationScope(); |
| 572 } |
569 | 573 |
570 // Check if the given string is 'eval' or 'arguments'. | 574 // Check if the given string is 'eval' or 'arguments'. |
571 bool IsEvalOrArguments(Handle<String> string); | 575 bool IsEvalOrArguments(Handle<String> string); |
572 | 576 |
573 // All ParseXXX functions take as the last argument an *ok parameter | 577 // All ParseXXX functions take as the last argument an *ok parameter |
574 // which is set to false if parsing failed; it is unchanged otherwise. | 578 // which is set to false if parsing failed; it is unchanged otherwise. |
575 // By making the 'exception handling' explicit, we are forced to check | 579 // By making the 'exception handling' explicit, we are forced to check |
576 // for failure at the call sites. | 580 // for failure at the call sites. |
577 void* ParseSourceElements(ZoneList<Statement*>* processor, | 581 void* ParseSourceElements(ZoneList<Statement*>* processor, |
578 int end_token, bool* ok); | 582 int end_token, bool* ok); |
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749 // | 753 // |
750 // function f() { { { var x; } let x; } } | 754 // function f() { { { var x; } let x; } } |
751 // function g() { { var x; let x; } } | 755 // function g() { { var x; let x; } } |
752 // | 756 // |
753 // The var declarations are hoisted to the function scope, but originate from | 757 // The var declarations are hoisted to the function scope, but originate from |
754 // a scope where the name has also been let bound or the var declaration is | 758 // a scope where the name has also been let bound or the var declaration is |
755 // hoisted over such a scope. | 759 // hoisted over such a scope. |
756 void CheckConflictingVarDeclarations(Scope* scope, bool* ok); | 760 void CheckConflictingVarDeclarations(Scope* scope, bool* ok); |
757 | 761 |
758 // Parser support | 762 // Parser support |
759 VariableProxy* Declare(Handle<String> name, VariableMode mode, | 763 VariableProxy* NewUnresolved(Handle<String> name, VariableMode mode); |
760 FunctionLiteral* fun, | 764 void Declare(Declaration* declaration, bool resolve, bool* ok); |
761 bool resolve, | |
762 bool* ok); | |
763 | 765 |
764 bool TargetStackContainsLabel(Handle<String> label); | 766 bool TargetStackContainsLabel(Handle<String> label); |
765 BreakableStatement* LookupBreakTarget(Handle<String> label, bool* ok); | 767 BreakableStatement* LookupBreakTarget(Handle<String> label, bool* ok); |
766 IterationStatement* LookupContinueTarget(Handle<String> label, bool* ok); | 768 IterationStatement* LookupContinueTarget(Handle<String> label, bool* ok); |
767 | 769 |
768 void RegisterTargetUse(Label* target, Target* stop); | 770 void RegisterTargetUse(Label* target, Target* stop); |
769 | 771 |
770 // Factory methods. | 772 // Factory methods. |
771 | 773 |
772 Scope* NewScope(Scope* parent, ScopeType type); | 774 Scope* NewScope(Scope* parent, ScopeType type); |
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856 private: | 858 private: |
857 static const int kTypeSlot = 0; | 859 static const int kTypeSlot = 0; |
858 static const int kElementsSlot = 1; | 860 static const int kElementsSlot = 1; |
859 | 861 |
860 DISALLOW_IMPLICIT_CONSTRUCTORS(CompileTimeValue); | 862 DISALLOW_IMPLICIT_CONSTRUCTORS(CompileTimeValue); |
861 }; | 863 }; |
862 | 864 |
863 } } // namespace v8::internal | 865 } } // namespace v8::internal |
864 | 866 |
865 #endif // V8_PARSER_H_ | 867 #endif // V8_PARSER_H_ |
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