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1 // Copyright 2011 the V8 project authors. All rights reserved. | 1 // Copyright 2011 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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69 | 69 |
70 class FunctionEntry BASE_EMBEDDED { | 70 class FunctionEntry BASE_EMBEDDED { |
71 public: | 71 public: |
72 explicit FunctionEntry(Vector<unsigned> backing) : backing_(backing) { } | 72 explicit FunctionEntry(Vector<unsigned> backing) : backing_(backing) { } |
73 FunctionEntry() : backing_(Vector<unsigned>::empty()) { } | 73 FunctionEntry() : backing_(Vector<unsigned>::empty()) { } |
74 | 74 |
75 int start_pos() { return backing_[kStartPosOffset]; } | 75 int start_pos() { return backing_[kStartPosOffset]; } |
76 int end_pos() { return backing_[kEndPosOffset]; } | 76 int end_pos() { return backing_[kEndPosOffset]; } |
77 int literal_count() { return backing_[kLiteralCountOffset]; } | 77 int literal_count() { return backing_[kLiteralCountOffset]; } |
78 int property_count() { return backing_[kPropertyCountOffset]; } | 78 int property_count() { return backing_[kPropertyCountOffset]; } |
79 StrictModeFlag strict_mode_flag() { | 79 LanguageMode language_mode() { |
80 ASSERT(backing_[kStrictModeOffset] == kStrictMode || | 80 ASSERT(backing_[kLanguageModeOffset] == CLASSIC_MODE || |
81 backing_[kStrictModeOffset] == kNonStrictMode); | 81 backing_[kLanguageModeOffset] == STRICT_MODE || |
82 return static_cast<StrictModeFlag>(backing_[kStrictModeOffset]); | 82 backing_[kLanguageModeOffset] == EXTENDED_MODE); |
| 83 return static_cast<LanguageMode>(backing_[kLanguageModeOffset]); |
83 } | 84 } |
84 | 85 |
85 bool is_valid() { return backing_.length() > 0; } | 86 bool is_valid() { return backing_.length() > 0; } |
86 | 87 |
87 static const int kSize = 5; | 88 static const int kSize = 5; |
88 | 89 |
89 private: | 90 private: |
90 Vector<unsigned> backing_; | 91 Vector<unsigned> backing_; |
91 static const int kStartPosOffset = 0; | 92 static const int kStartPosOffset = 0; |
92 static const int kEndPosOffset = 1; | 93 static const int kEndPosOffset = 1; |
93 static const int kLiteralCountOffset = 2; | 94 static const int kLiteralCountOffset = 2; |
94 static const int kPropertyCountOffset = 3; | 95 static const int kPropertyCountOffset = 3; |
95 static const int kStrictModeOffset = 4; | 96 static const int kLanguageModeOffset = 4; |
96 }; | 97 }; |
97 | 98 |
98 | 99 |
99 class ScriptDataImpl : public ScriptData { | 100 class ScriptDataImpl : public ScriptData { |
100 public: | 101 public: |
101 explicit ScriptDataImpl(Vector<unsigned> store) | 102 explicit ScriptDataImpl(Vector<unsigned> store) |
102 : store_(store), | 103 : store_(store), |
103 owns_store_(true) { } | 104 owns_store_(true) { } |
104 | 105 |
105 // Create an empty ScriptDataImpl that is guaranteed to not satisfy | 106 // Create an empty ScriptDataImpl that is guaranteed to not satisfy |
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425 public: | 426 public: |
426 Parser(Handle<Script> script, | 427 Parser(Handle<Script> script, |
427 bool allow_natives_syntax, | 428 bool allow_natives_syntax, |
428 v8::Extension* extension, | 429 v8::Extension* extension, |
429 ScriptDataImpl* pre_data); | 430 ScriptDataImpl* pre_data); |
430 virtual ~Parser() { } | 431 virtual ~Parser() { } |
431 | 432 |
432 // Returns NULL if parsing failed. | 433 // Returns NULL if parsing failed. |
433 FunctionLiteral* ParseProgram(Handle<String> source, | 434 FunctionLiteral* ParseProgram(Handle<String> source, |
434 bool in_global_context, | 435 bool in_global_context, |
435 StrictModeFlag strict_mode); | 436 LanguageMode language_mode); |
436 | 437 |
437 FunctionLiteral* ParseLazy(CompilationInfo* info); | 438 FunctionLiteral* ParseLazy(CompilationInfo* info); |
438 | 439 |
439 void ReportMessageAt(Scanner::Location loc, | 440 void ReportMessageAt(Scanner::Location loc, |
440 const char* message, | 441 const char* message, |
441 Vector<const char*> args); | 442 Vector<const char*> args); |
442 void ReportMessageAt(Scanner::Location loc, | 443 void ReportMessageAt(Scanner::Location loc, |
443 const char* message, | 444 const char* message, |
444 Vector<Handle<String> > args); | 445 Vector<Handle<String> > args); |
445 void SetHarmonyScoping(bool block_scoping); | 446 void SetHarmonyScoping(bool block_scoping); |
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470 kHasInitializers, | 471 kHasInitializers, |
471 kHasNoInitializers | 472 kHasNoInitializers |
472 }; | 473 }; |
473 | 474 |
474 Isolate* isolate() { return isolate_; } | 475 Isolate* isolate() { return isolate_; } |
475 Zone* zone() { return isolate_->zone(); } | 476 Zone* zone() { return isolate_->zone(); } |
476 | 477 |
477 // Called by ParseProgram after setting up the scanner. | 478 // Called by ParseProgram after setting up the scanner. |
478 FunctionLiteral* DoParseProgram(Handle<String> source, | 479 FunctionLiteral* DoParseProgram(Handle<String> source, |
479 bool in_global_context, | 480 bool in_global_context, |
480 StrictModeFlag strict_mode, | 481 LanguageMode language_mode, |
481 ZoneScope* zone_scope); | 482 ZoneScope* zone_scope); |
482 | 483 |
483 // Report syntax error | 484 // Report syntax error |
484 void ReportUnexpectedToken(Token::Value token); | 485 void ReportUnexpectedToken(Token::Value token); |
485 void ReportInvalidPreparseData(Handle<String> name, bool* ok); | 486 void ReportInvalidPreparseData(Handle<String> name, bool* ok); |
486 void ReportMessage(const char* message, Vector<const char*> args); | 487 void ReportMessage(const char* message, Vector<const char*> args); |
487 | 488 |
488 bool inside_with() const { return top_scope_->inside_with(); } | 489 bool inside_with() const { return top_scope_->inside_with(); } |
489 Scanner& scanner() { return scanner_; } | 490 Scanner& scanner() { return scanner_; } |
490 Mode mode() const { return mode_; } | 491 Mode mode() const { return mode_; } |
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778 private: | 779 private: |
779 static const int kTypeSlot = 0; | 780 static const int kTypeSlot = 0; |
780 static const int kElementsSlot = 1; | 781 static const int kElementsSlot = 1; |
781 | 782 |
782 DISALLOW_IMPLICIT_CONSTRUCTORS(CompileTimeValue); | 783 DISALLOW_IMPLICIT_CONSTRUCTORS(CompileTimeValue); |
783 }; | 784 }; |
784 | 785 |
785 } } // namespace v8::internal | 786 } } // namespace v8::internal |
786 | 787 |
787 #endif // V8_PARSER_H_ | 788 #endif // V8_PARSER_H_ |
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