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1 // Copyright 2006-2009 the V8 project authors. All rights reserved. | 1 // Copyright 2006-2009 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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1015 | 1015 |
1016 // Iterates over pointers contained in the object (including the Map) | 1016 // Iterates over pointers contained in the object (including the Map) |
1017 void Iterate(ObjectVisitor* v); | 1017 void Iterate(ObjectVisitor* v); |
1018 | 1018 |
1019 // Iterates over all pointers contained in the object except the | 1019 // Iterates over all pointers contained in the object except the |
1020 // first map pointer. The object type is given in the first | 1020 // first map pointer. The object type is given in the first |
1021 // parameter. This function does not access the map pointer in the | 1021 // parameter. This function does not access the map pointer in the |
1022 // object, and so is safe to call while the map pointer is modified. | 1022 // object, and so is safe to call while the map pointer is modified. |
1023 void IterateBody(InstanceType type, int object_size, ObjectVisitor* v); | 1023 void IterateBody(InstanceType type, int object_size, ObjectVisitor* v); |
1024 | 1024 |
1025 // This method only applies to struct objects. Iterates over all the fields | |
1026 // of this struct. | |
1027 void IterateStructBody(int object_size, ObjectVisitor* v); | |
1028 | |
1029 // Returns the heap object's size in bytes | 1025 // Returns the heap object's size in bytes |
1030 inline int Size(); | 1026 inline int Size(); |
1031 | 1027 |
1032 // Given a heap object's map pointer, returns the heap size in bytes | 1028 // Given a heap object's map pointer, returns the heap size in bytes |
1033 // Useful when the map pointer field is used for other purposes. | 1029 // Useful when the map pointer field is used for other purposes. |
1034 // GC internal. | 1030 // GC internal. |
1035 inline int SizeFromMap(Map* map); | 1031 inline int SizeFromMap(Map* map); |
1036 | 1032 |
1037 // Support for the marking heap objects during the marking phase of GC. | 1033 // Support for the marking heap objects during the marking phase of GC. |
1038 // True if the object is marked live. | 1034 // True if the object is marked live. |
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5504 } else { | 5500 } else { |
5505 value &= ~(1 << bit_position); | 5501 value &= ~(1 << bit_position); |
5506 } | 5502 } |
5507 return value; | 5503 return value; |
5508 } | 5504 } |
5509 }; | 5505 }; |
5510 | 5506 |
5511 } } // namespace v8::internal | 5507 } } // namespace v8::internal |
5512 | 5508 |
5513 #endif // V8_OBJECTS_H_ | 5509 #endif // V8_OBJECTS_H_ |
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