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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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86 class ImplicitRefGroup { | 86 class ImplicitRefGroup { |
87 public: | 87 public: |
88 static ImplicitRefGroup* New(HeapObject** parent, | 88 static ImplicitRefGroup* New(HeapObject** parent, |
89 Object*** children, | 89 Object*** children, |
90 size_t length) { | 90 size_t length) { |
91 ASSERT(length > 0); | 91 ASSERT(length > 0); |
92 ImplicitRefGroup* group = reinterpret_cast<ImplicitRefGroup*>( | 92 ImplicitRefGroup* group = reinterpret_cast<ImplicitRefGroup*>( |
93 malloc(OFFSET_OF(ImplicitRefGroup, children_[length]))); | 93 malloc(OFFSET_OF(ImplicitRefGroup, children_[length]))); |
94 group->parent_ = parent; | 94 group->parent_ = parent; |
95 group->length_ = length; | 95 group->length_ = length; |
96 CopyWords(group->children_, children, static_cast<int>(length)); | 96 CopyWords(group->children_, children, length); |
97 return group; | 97 return group; |
98 } | 98 } |
99 | 99 |
100 void Dispose() { | 100 void Dispose() { |
101 free(this); | 101 free(this); |
102 } | 102 } |
103 | 103 |
104 HeapObject** parent_; | 104 HeapObject** parent_; |
105 size_t length_; | 105 size_t length_; |
106 Object** children_[1]; // Variable sized array. | 106 Object** children_[1]; // Variable sized array. |
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293 | 293 |
294 friend class Isolate; | 294 friend class Isolate; |
295 | 295 |
296 DISALLOW_COPY_AND_ASSIGN(GlobalHandles); | 296 DISALLOW_COPY_AND_ASSIGN(GlobalHandles); |
297 }; | 297 }; |
298 | 298 |
299 | 299 |
300 } } // namespace v8::internal | 300 } } // namespace v8::internal |
301 | 301 |
302 #endif // V8_GLOBAL_HANDLES_H_ | 302 #endif // V8_GLOBAL_HANDLES_H_ |
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