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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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4695 Map* Map::elements_transition_map() { | 4695 Map* Map::elements_transition_map() { |
4696 int index = transitions()->Search(GetHeap()->elements_transition_symbol()); | 4696 int index = transitions()->Search(GetHeap()->elements_transition_symbol()); |
4697 return transitions()->GetTarget(index); | 4697 return transitions()->GetTarget(index); |
4698 } | 4698 } |
4699 | 4699 |
4700 | 4700 |
4701 bool Map::CanHaveMoreTransitions() { | 4701 bool Map::CanHaveMoreTransitions() { |
4702 if (!HasTransitionArray()) return true; | 4702 if (!HasTransitionArray()) return true; |
4703 return FixedArray::SizeFor(transitions()->length() + | 4703 return FixedArray::SizeFor(transitions()->length() + |
4704 TransitionArray::kTransitionSize) | 4704 TransitionArray::kTransitionSize) |
4705 <= Page::kMaxNonCodeHeapObjectSize; | 4705 <= Page::kMaxRegularHeapObjectSize; |
4706 } | 4706 } |
4707 | 4707 |
4708 | 4708 |
4709 MaybeObject* Map::AddTransition(Name* key, | 4709 MaybeObject* Map::AddTransition(Name* key, |
4710 Map* target, | 4710 Map* target, |
4711 SimpleTransitionFlag flag) { | 4711 SimpleTransitionFlag flag) { |
4712 if (HasTransitionArray()) return transitions()->CopyInsert(key, target); | 4712 if (HasTransitionArray()) return transitions()->CopyInsert(key, target); |
4713 return TransitionArray::NewWith(flag, key, target, GetBackPointer()); | 4713 return TransitionArray::NewWith(flag, key, target, GetBackPointer()); |
4714 } | 4714 } |
4715 | 4715 |
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6794 #undef READ_UINT32_FIELD | 6794 #undef READ_UINT32_FIELD |
6795 #undef WRITE_UINT32_FIELD | 6795 #undef WRITE_UINT32_FIELD |
6796 #undef READ_SHORT_FIELD | 6796 #undef READ_SHORT_FIELD |
6797 #undef WRITE_SHORT_FIELD | 6797 #undef WRITE_SHORT_FIELD |
6798 #undef READ_BYTE_FIELD | 6798 #undef READ_BYTE_FIELD |
6799 #undef WRITE_BYTE_FIELD | 6799 #undef WRITE_BYTE_FIELD |
6800 | 6800 |
6801 } } // namespace v8::internal | 6801 } } // namespace v8::internal |
6802 | 6802 |
6803 #endif // V8_OBJECTS_INL_H_ | 6803 #endif // V8_OBJECTS_INL_H_ |
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