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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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385 } | 385 } |
386 | 386 |
387 PropertyDetails GetTransitionDetails() { | 387 PropertyDetails GetTransitionDetails() { |
388 return GetTransitionDetails(holder()->map()); | 388 return GetTransitionDetails(holder()->map()); |
389 } | 389 } |
390 | 390 |
391 bool IsTransitionToField(Map* map) { | 391 bool IsTransitionToField(Map* map) { |
392 return IsTransition() && GetTransitionDetails(map).type() == FIELD; | 392 return IsTransition() && GetTransitionDetails(map).type() == FIELD; |
393 } | 393 } |
394 | 394 |
| 395 bool IsTransitionToConstantFunction(Map* map) { |
| 396 return IsTransition() && |
| 397 GetTransitionDetails(map).type() == CONSTANT_FUNCTION; |
| 398 } |
| 399 |
395 Map* GetTransitionMap() { | 400 Map* GetTransitionMap() { |
396 ASSERT(IsTransition()); | 401 ASSERT(IsTransition()); |
397 return Map::cast(GetValue()); | 402 return Map::cast(GetValue()); |
398 } | 403 } |
399 | 404 |
400 Map* GetTransitionMapFromMap(Map* map) { | 405 Map* GetTransitionMapFromMap(Map* map) { |
401 ASSERT(IsTransition()); | 406 ASSERT(IsTransition()); |
402 return map->transitions()->GetTarget(number_); | 407 return map->transitions()->GetTarget(number_); |
403 } | 408 } |
404 | 409 |
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487 JSReceiver* holder_; | 492 JSReceiver* holder_; |
488 int number_; | 493 int number_; |
489 bool cacheable_; | 494 bool cacheable_; |
490 PropertyDetails details_; | 495 PropertyDetails details_; |
491 }; | 496 }; |
492 | 497 |
493 | 498 |
494 } } // namespace v8::internal | 499 } } // namespace v8::internal |
495 | 500 |
496 #endif // V8_PROPERTY_H_ | 501 #endif // V8_PROPERTY_H_ |
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