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1 // Copyright 2010 the V8 project authors. All rights reserved. | 1 // Copyright 2010 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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273 void AddAtom(RegExpTree* tree); | 273 void AddAtom(RegExpTree* tree); |
274 void AddAssertion(RegExpTree* tree); | 274 void AddAssertion(RegExpTree* tree); |
275 void NewAlternative(); // '|' | 275 void NewAlternative(); // '|' |
276 void AddQuantifierToAtom(int min, int max, RegExpQuantifier::Type type); | 276 void AddQuantifierToAtom(int min, int max, RegExpQuantifier::Type type); |
277 RegExpTree* ToRegExp(); | 277 RegExpTree* ToRegExp(); |
278 | 278 |
279 private: | 279 private: |
280 void FlushCharacters(); | 280 void FlushCharacters(); |
281 void FlushText(); | 281 void FlushText(); |
282 void FlushTerms(); | 282 void FlushTerms(); |
| 283 Zone* zone() { return zone_; } |
| 284 |
| 285 Zone* zone_; |
283 bool pending_empty_; | 286 bool pending_empty_; |
284 ZoneList<uc16>* characters_; | 287 ZoneList<uc16>* characters_; |
285 BufferedZoneList<RegExpTree, 2> terms_; | 288 BufferedZoneList<RegExpTree, 2> terms_; |
286 BufferedZoneList<RegExpTree, 2> text_; | 289 BufferedZoneList<RegExpTree, 2> text_; |
287 BufferedZoneList<RegExpTree, 2> alternatives_; | 290 BufferedZoneList<RegExpTree, 2> alternatives_; |
288 #ifdef DEBUG | 291 #ifdef DEBUG |
289 enum {ADD_NONE, ADD_CHAR, ADD_TERM, ADD_ASSERT, ADD_ATOM} last_added_; | 292 enum {ADD_NONE, ADD_CHAR, ADD_TERM, ADD_ASSERT, ADD_ATOM} last_added_; |
290 #define LAST(x) last_added_ = x; | 293 #define LAST(x) last_added_ = x; |
291 #else | 294 #else |
292 #define LAST(x) | 295 #define LAST(x) |
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382 RegExpParserState* previous_state_; | 385 RegExpParserState* previous_state_; |
383 // Builder for the stored disjunction. | 386 // Builder for the stored disjunction. |
384 RegExpBuilder* builder_; | 387 RegExpBuilder* builder_; |
385 // Stored disjunction type (capture, look-ahead or grouping), if any. | 388 // Stored disjunction type (capture, look-ahead or grouping), if any. |
386 SubexpressionType group_type_; | 389 SubexpressionType group_type_; |
387 // Stored disjunction's capture index (if any). | 390 // Stored disjunction's capture index (if any). |
388 int disjunction_capture_index_; | 391 int disjunction_capture_index_; |
389 }; | 392 }; |
390 | 393 |
391 Isolate* isolate() { return isolate_; } | 394 Isolate* isolate() { return isolate_; } |
| 395 Zone* zone() { return isolate_->zone(); } |
392 | 396 |
393 uc32 current() { return current_; } | 397 uc32 current() { return current_; } |
394 bool has_more() { return has_more_; } | 398 bool has_more() { return has_more_; } |
395 bool has_next() { return next_pos_ < in()->length(); } | 399 bool has_next() { return next_pos_ < in()->length(); } |
396 uc32 Next(); | 400 uc32 Next(); |
397 FlatStringReader* in() { return in_; } | 401 FlatStringReader* in() { return in_; } |
398 void ScanForCaptures(); | 402 void ScanForCaptures(); |
399 | 403 |
400 Isolate* isolate_; | 404 Isolate* isolate_; |
401 Handle<String>* error_; | 405 Handle<String>* error_; |
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446 static const int kMaxNumFunctionParameters = 32766; | 450 static const int kMaxNumFunctionParameters = 32766; |
447 FunctionLiteral* ParseLazy(CompilationInfo* info, | 451 FunctionLiteral* ParseLazy(CompilationInfo* info, |
448 UC16CharacterStream* source, | 452 UC16CharacterStream* source, |
449 ZoneScope* zone_scope); | 453 ZoneScope* zone_scope); |
450 enum Mode { | 454 enum Mode { |
451 PARSE_LAZILY, | 455 PARSE_LAZILY, |
452 PARSE_EAGERLY | 456 PARSE_EAGERLY |
453 }; | 457 }; |
454 | 458 |
455 Isolate* isolate() { return isolate_; } | 459 Isolate* isolate() { return isolate_; } |
| 460 Zone* zone() { return isolate_->zone(); } |
456 | 461 |
457 // Called by ParseProgram after setting up the scanner. | 462 // Called by ParseProgram after setting up the scanner. |
458 FunctionLiteral* DoParseProgram(Handle<String> source, | 463 FunctionLiteral* DoParseProgram(Handle<String> source, |
459 bool in_global_context, | 464 bool in_global_context, |
460 StrictModeFlag strict_mode, | 465 StrictModeFlag strict_mode, |
461 ZoneScope* zone_scope); | 466 ZoneScope* zone_scope); |
462 | 467 |
463 // Report syntax error | 468 // Report syntax error |
464 void ReportUnexpectedToken(Token::Value token); | 469 void ReportUnexpectedToken(Token::Value token); |
465 void ReportInvalidPreparseData(Handle<String> name, bool* ok); | 470 void ReportInvalidPreparseData(Handle<String> name, bool* ok); |
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809 // Converts the currently parsed literal to a JavaScript String. | 814 // Converts the currently parsed literal to a JavaScript String. |
810 Handle<String> GetString(); | 815 Handle<String> GetString(); |
811 | 816 |
812 Isolate* isolate_; | 817 Isolate* isolate_; |
813 JsonScanner scanner_; | 818 JsonScanner scanner_; |
814 bool stack_overflow_; | 819 bool stack_overflow_; |
815 }; | 820 }; |
816 } } // namespace v8::internal | 821 } } // namespace v8::internal |
817 | 822 |
818 #endif // V8_PARSER_H_ | 823 #endif // V8_PARSER_H_ |
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