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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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1947 // objects that still remain in the heap). As implementation of free | 1947 // objects that still remain in the heap). As implementation of free |
1948 // nodes filtering uses GC marks, it can't be used during MS/MC GC | 1948 // nodes filtering uses GC marks, it can't be used during MS/MC GC |
1949 // phases. Also, it is forbidden to interrupt iteration in this mode, | 1949 // phases. Also, it is forbidden to interrupt iteration in this mode, |
1950 // as this will leave heap objects marked (and thus, unusable). | 1950 // as this will leave heap objects marked (and thus, unusable). |
1951 class HeapObjectsFilter; | 1951 class HeapObjectsFilter; |
1952 | 1952 |
1953 class HeapIterator BASE_EMBEDDED { | 1953 class HeapIterator BASE_EMBEDDED { |
1954 public: | 1954 public: |
1955 enum HeapObjectsFiltering { | 1955 enum HeapObjectsFiltering { |
1956 kNoFiltering, | 1956 kNoFiltering, |
1957 kFilterFreeListNodes, | |
1958 kFilterUnreachable | 1957 kFilterUnreachable |
1959 }; | 1958 }; |
1960 | 1959 |
1961 HeapIterator(); | 1960 HeapIterator(); |
1962 explicit HeapIterator(HeapObjectsFiltering filtering); | 1961 explicit HeapIterator(HeapObjectsFiltering filtering); |
1963 ~HeapIterator(); | 1962 ~HeapIterator(); |
1964 | 1963 |
1965 HeapObject* next(); | 1964 HeapObject* next(); |
1966 void reset(); | 1965 void reset(); |
1967 | 1966 |
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2468 | 2467 |
2469 DISALLOW_IMPLICIT_CONSTRUCTORS(PathTracer); | 2468 DISALLOW_IMPLICIT_CONSTRUCTORS(PathTracer); |
2470 }; | 2469 }; |
2471 #endif // DEBUG || LIVE_OBJECT_LIST | 2470 #endif // DEBUG || LIVE_OBJECT_LIST |
2472 | 2471 |
2473 } } // namespace v8::internal | 2472 } } // namespace v8::internal |
2474 | 2473 |
2475 #undef HEAP | 2474 #undef HEAP |
2476 | 2475 |
2477 #endif // V8_HEAP_H_ | 2476 #endif // V8_HEAP_H_ |
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