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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" // For CachedDataMode | 10 #include "src/compiler.h" // For CachedDataMode |
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791 PreParser::PreParseResult ParseLazyFunctionBodyWithPreParser( | 791 PreParser::PreParseResult ParseLazyFunctionBodyWithPreParser( |
792 SingletonLogger* logger); | 792 SingletonLogger* logger); |
793 | 793 |
794 // Consumes the ending }. | 794 // Consumes the ending }. |
795 ZoneList<Statement*>* ParseEagerFunctionBody( | 795 ZoneList<Statement*>* ParseEagerFunctionBody( |
796 const AstRawString* function_name, int pos, Variable* fvar, | 796 const AstRawString* function_name, int pos, Variable* fvar, |
797 Token::Value fvar_init_op, bool is_generator, bool* ok); | 797 Token::Value fvar_init_op, bool is_generator, bool* ok); |
798 | 798 |
799 void ThrowPendingError(); | 799 void ThrowPendingError(); |
800 | 800 |
| 801 void InternalizeUseCounts(); |
| 802 |
801 Isolate* isolate_; | 803 Isolate* isolate_; |
802 | 804 |
803 Handle<Script> script_; | 805 Handle<Script> script_; |
804 Scanner scanner_; | 806 Scanner scanner_; |
805 PreParser* reusable_preparser_; | 807 PreParser* reusable_preparser_; |
806 Scope* original_scope_; // for ES5 function declarations in sloppy eval | 808 Scope* original_scope_; // for ES5 function declarations in sloppy eval |
807 Target* target_stack_; // for break, continue statements | 809 Target* target_stack_; // for break, continue statements |
808 ScriptData** cached_data_; | 810 ScriptData** cached_data_; |
809 CachedDataMode cached_data_mode_; | 811 CachedDataMode cached_data_mode_; |
810 AstValueFactory* ast_value_factory_; | 812 AstValueFactory* ast_value_factory_; |
811 | 813 |
812 CompilationInfo* info_; | 814 CompilationInfo* info_; |
813 | 815 |
814 // Pending errors. | 816 // Pending errors. |
815 bool has_pending_error_; | 817 bool has_pending_error_; |
816 Scanner::Location pending_error_location_; | 818 Scanner::Location pending_error_location_; |
817 const char* pending_error_message_; | 819 const char* pending_error_message_; |
818 const AstRawString* pending_error_arg_; | 820 const AstRawString* pending_error_arg_; |
819 const char* pending_error_char_arg_; | 821 const char* pending_error_char_arg_; |
820 bool pending_error_is_reference_error_; | 822 bool pending_error_is_reference_error_; |
| 823 |
| 824 int use_counts_[v8::Isolate::kUseCounterFeatureCount]; |
821 }; | 825 }; |
822 | 826 |
823 | 827 |
824 // Support for handling complex values (array and object literals) that | 828 // Support for handling complex values (array and object literals) that |
825 // can be fully handled at compile time. | 829 // can be fully handled at compile time. |
826 class CompileTimeValue: public AllStatic { | 830 class CompileTimeValue: public AllStatic { |
827 public: | 831 public: |
828 enum LiteralType { | 832 enum LiteralType { |
829 OBJECT_LITERAL_FAST_ELEMENTS, | 833 OBJECT_LITERAL_FAST_ELEMENTS, |
830 OBJECT_LITERAL_SLOW_ELEMENTS, | 834 OBJECT_LITERAL_SLOW_ELEMENTS, |
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845 private: | 849 private: |
846 static const int kLiteralTypeSlot = 0; | 850 static const int kLiteralTypeSlot = 0; |
847 static const int kElementsSlot = 1; | 851 static const int kElementsSlot = 1; |
848 | 852 |
849 DISALLOW_IMPLICIT_CONSTRUCTORS(CompileTimeValue); | 853 DISALLOW_IMPLICIT_CONSTRUCTORS(CompileTimeValue); |
850 }; | 854 }; |
851 | 855 |
852 } } // namespace v8::internal | 856 } } // namespace v8::internal |
853 | 857 |
854 #endif // V8_PARSER_H_ | 858 #endif // V8_PARSER_H_ |
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