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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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77 void TransitionArray::set_elements_transition(Map* transition_map, | 77 void TransitionArray::set_elements_transition(Map* transition_map, |
78 WriteBarrierMode mode) { | 78 WriteBarrierMode mode) { |
79 ASSERT(IsFullTransitionArray()); | 79 ASSERT(IsFullTransitionArray()); |
80 Heap* heap = GetHeap(); | 80 Heap* heap = GetHeap(); |
81 WRITE_FIELD(this, kElementsTransitionOffset, transition_map); | 81 WRITE_FIELD(this, kElementsTransitionOffset, transition_map); |
82 CONDITIONAL_WRITE_BARRIER( | 82 CONDITIONAL_WRITE_BARRIER( |
83 heap, this, kElementsTransitionOffset, transition_map, mode); | 83 heap, this, kElementsTransitionOffset, transition_map, mode); |
84 } | 84 } |
85 | 85 |
86 | 86 |
| 87 Object** TransitionArray::GetDescriptorsSlot() { |
| 88 return HeapObject::RawField(reinterpret_cast<HeapObject*>(this), |
| 89 kDescriptorsOffset); |
| 90 } |
| 91 |
| 92 |
87 DescriptorArray* TransitionArray::descriptors() { | 93 DescriptorArray* TransitionArray::descriptors() { |
88 return DescriptorArray::cast(descriptors_pointer()->value()); | 94 return DescriptorArray::cast(get(kDescriptorsIndex)); |
89 } | 95 } |
90 | 96 |
91 | 97 |
92 void TransitionArray::set_descriptors(DescriptorArray* descriptors) { | 98 void TransitionArray::set_descriptors(DescriptorArray* descriptors) { |
93 ASSERT(!this->descriptors()->IsDescriptorArray() || | 99 ASSERT(descriptors->IsDescriptorArray()); |
94 descriptors->number_of_descriptors() == 0 || | 100 set(kDescriptorsIndex, descriptors); |
95 descriptors->HasEnumCache() || | |
96 !this->descriptors()->HasEnumCache()); | |
97 descriptors_pointer()->set_value(descriptors); | |
98 } | 101 } |
99 | 102 |
100 | 103 |
101 JSGlobalPropertyCell* TransitionArray::descriptors_pointer() { | |
102 return JSGlobalPropertyCell::cast(get(kDescriptorsPointerIndex)); | |
103 } | |
104 | |
105 | |
106 void TransitionArray::set_descriptors_pointer(JSGlobalPropertyCell* pointer) { | |
107 set(kDescriptorsPointerIndex, pointer); | |
108 } | |
109 | |
110 | |
111 Object* TransitionArray::back_pointer_storage() { | 104 Object* TransitionArray::back_pointer_storage() { |
112 return get(kBackPointerStorageIndex); | 105 return get(kBackPointerStorageIndex); |
113 } | 106 } |
114 | 107 |
115 | 108 |
116 void TransitionArray::set_back_pointer_storage(Object* back_pointer, | 109 void TransitionArray::set_back_pointer_storage(Object* back_pointer, |
117 WriteBarrierMode mode) { | 110 WriteBarrierMode mode) { |
118 Heap* heap = GetHeap(); | 111 Heap* heap = GetHeap(); |
119 WRITE_FIELD(this, kBackPointerStorageOffset, back_pointer); | 112 WRITE_FIELD(this, kBackPointerStorageOffset, back_pointer); |
120 CONDITIONAL_WRITE_BARRIER( | 113 CONDITIONAL_WRITE_BARRIER( |
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230 | 223 |
231 | 224 |
232 #undef FIELD_ADDR | 225 #undef FIELD_ADDR |
233 #undef WRITE_FIELD | 226 #undef WRITE_FIELD |
234 #undef CONDITIONAL_WRITE_BARRIER | 227 #undef CONDITIONAL_WRITE_BARRIER |
235 | 228 |
236 | 229 |
237 } } // namespace v8::internal | 230 } } // namespace v8::internal |
238 | 231 |
239 #endif // V8_TRANSITIONS_INL_H_ | 232 #endif // V8_TRANSITIONS_INL_H_ |
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