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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 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef V8_V8_PROFILER_H_ | 5 #ifndef V8_V8_PROFILER_H_ |
6 #define V8_V8_PROFILER_H_ | 6 #define V8_V8_PROFILER_H_ |
7 | 7 |
8 #include "v8.h" | 8 #include "v8.h" |
9 | 9 |
10 /** | 10 /** |
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441 * will not be added into it unless a heap snapshot is taken or heap object | 441 * will not be added into it unless a heap snapshot is taken or heap object |
442 * tracking is kicked off. | 442 * tracking is kicked off. |
443 */ | 443 */ |
444 void ClearObjectIds(); | 444 void ClearObjectIds(); |
445 | 445 |
446 /** | 446 /** |
447 * A constant for invalid SnapshotObjectId. GetSnapshotObjectId will return | 447 * A constant for invalid SnapshotObjectId. GetSnapshotObjectId will return |
448 * it in case heap profiler cannot find id for the object passed as | 448 * it in case heap profiler cannot find id for the object passed as |
449 * parameter. HeapSnapshot::GetNodeById will always return NULL for such id. | 449 * parameter. HeapSnapshot::GetNodeById will always return NULL for such id. |
450 */ | 450 */ |
451 static const SnapshotObjectId kUnknownObjectId = 0; | 451 enum { kUnknownObjectId }; |
452 | 452 |
453 /** | 453 /** |
454 * Callback interface for retrieving user friendly names of global objects. | 454 * Callback interface for retrieving user friendly names of global objects. |
455 */ | 455 */ |
456 class ObjectNameResolver { | 456 class ObjectNameResolver { |
457 public: | 457 public: |
458 /** | 458 /** |
459 * Returns name to be used in the heap snapshot for given node. Returned | 459 * Returns name to be used in the heap snapshot for given node. Returned |
460 * string must stay alive until snapshot collection is completed. | 460 * string must stay alive until snapshot collection is completed. |
461 */ | 461 */ |
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622 uint32_t index; // Index of the time interval that was changed. | 622 uint32_t index; // Index of the time interval that was changed. |
623 uint32_t count; // New value of count field for the interval with this index. | 623 uint32_t count; // New value of count field for the interval with this index. |
624 uint32_t size; // New value of size field for the interval with this index. | 624 uint32_t size; // New value of size field for the interval with this index. |
625 }; | 625 }; |
626 | 626 |
627 | 627 |
628 } // namespace v8 | 628 } // namespace v8 |
629 | 629 |
630 | 630 |
631 #endif // V8_V8_PROFILER_H_ | 631 #endif // V8_V8_PROFILER_H_ |
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