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1 // Copyright 2010 the V8 project authors. All rights reserved. | 1 // Copyright 2010 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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300 int GetRetainersCount() const; | 300 int GetRetainersCount() const; |
301 | 301 |
302 /** Returns a retainer by index. */ | 302 /** Returns a retainer by index. */ |
303 const HeapGraphEdge* GetRetainer(int index) const; | 303 const HeapGraphEdge* GetRetainer(int index) const; |
304 | 304 |
305 /** | 305 /** |
306 * Returns a dominator node. This is the node that participates in every | 306 * Returns a dominator node. This is the node that participates in every |
307 * path from the snapshot root to the current node. | 307 * path from the snapshot root to the current node. |
308 */ | 308 */ |
309 const HeapGraphNode* GetDominatorNode() const; | 309 const HeapGraphNode* GetDominatorNode() const; |
| 310 |
| 311 /** |
| 312 * Finds and returns a value from the heap corresponding to this node, |
| 313 * if the value is still reachable. |
| 314 */ |
| 315 Handle<Value> GetHeapValue() const; |
310 }; | 316 }; |
311 | 317 |
312 | 318 |
313 /** | 319 /** |
314 * HeapSnapshots record the state of the JS heap at some moment. | 320 * HeapSnapshots record the state of the JS heap at some moment. |
315 */ | 321 */ |
316 class V8EXPORT HeapSnapshot { | 322 class V8EXPORT HeapSnapshot { |
317 public: | 323 public: |
318 enum Type { | 324 enum Type { |
319 kFull = 0 // Heap snapshot with all instances and references. | 325 kFull = 0 // Heap snapshot with all instances and references. |
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493 }; | 499 }; |
494 | 500 |
495 | 501 |
496 } // namespace v8 | 502 } // namespace v8 |
497 | 503 |
498 | 504 |
499 #undef V8EXPORT | 505 #undef V8EXPORT |
500 | 506 |
501 | 507 |
502 #endif // V8_V8_PROFILER_H_ | 508 #endif // V8_V8_PROFILER_H_ |
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