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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 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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434 }; | 434 }; |
435 | 435 |
436 | 436 |
437 // Exactly like a CompilationInfo, except also creates and enters a | 437 // Exactly like a CompilationInfo, except also creates and enters a |
438 // Zone on construction and deallocates it on exit. | 438 // Zone on construction and deallocates it on exit. |
439 class CompilationInfoWithZone: public CompilationInfo { | 439 class CompilationInfoWithZone: public CompilationInfo { |
440 public: | 440 public: |
441 explicit CompilationInfoWithZone(Handle<Script> script) | 441 explicit CompilationInfoWithZone(Handle<Script> script) |
442 : CompilationInfo(script, &zone_, &phase_zone_), | 442 : CompilationInfo(script, &zone_, &phase_zone_), |
443 zone_(script->GetIsolate()), | 443 zone_(script->GetIsolate()), |
444 zone_scope_(&zone_, DELETE_ON_EXIT), | 444 zone_scope_(&zone_), |
445 phase_zone_(script->GetIsolate()) {} | 445 phase_zone_(script->GetIsolate()) {} |
446 explicit CompilationInfoWithZone(Handle<SharedFunctionInfo> shared_info) | 446 explicit CompilationInfoWithZone(Handle<SharedFunctionInfo> shared_info) |
447 : CompilationInfo(shared_info, &zone_, &phase_zone_), | 447 : CompilationInfo(shared_info, &zone_, &phase_zone_), |
448 zone_(shared_info->GetIsolate()), | 448 zone_(shared_info->GetIsolate()), |
449 zone_scope_(&zone_, DELETE_ON_EXIT), | 449 zone_scope_(&zone_), |
450 phase_zone_(shared_info->GetIsolate()) {} | 450 phase_zone_(shared_info->GetIsolate()) {} |
451 explicit CompilationInfoWithZone(Handle<JSFunction> closure) | 451 explicit CompilationInfoWithZone(Handle<JSFunction> closure) |
452 : CompilationInfo(closure, &zone_, &phase_zone_), | 452 : CompilationInfo(closure, &zone_, &phase_zone_), |
453 zone_(closure->GetIsolate()), | 453 zone_(closure->GetIsolate()), |
454 zone_scope_(&zone_, DELETE_ON_EXIT), | 454 zone_scope_(&zone_), |
455 phase_zone_(closure->GetIsolate()) {} | 455 phase_zone_(closure->GetIsolate()) {} |
456 CompilationInfoWithZone(HydrogenCodeStub* stub, Isolate* isolate) | 456 CompilationInfoWithZone(HydrogenCodeStub* stub, Isolate* isolate) |
457 : CompilationInfo(stub, isolate, &zone_, &phase_zone_), | 457 : CompilationInfo(stub, isolate, &zone_, &phase_zone_), |
458 zone_(isolate), | 458 zone_(isolate), |
459 zone_scope_(&zone_, DELETE_ON_EXIT), | 459 zone_scope_(&zone_), |
460 phase_zone_(isolate) {} | 460 phase_zone_(isolate) {} |
461 | 461 |
462 // Virtual destructor because a CompilationInfoWithZone has to exit the | 462 // Virtual destructor because a CompilationInfoWithZone has to exit the |
463 // zone scope and get rid of dependent maps even when the destructor is | 463 // zone scope and get rid of dependent maps even when the destructor is |
464 // called when cast as a CompilationInfo. | 464 // called when cast as a CompilationInfo. |
465 virtual ~CompilationInfoWithZone() { | 465 virtual ~CompilationInfoWithZone() { |
466 RollbackDependentMaps(); | 466 RollbackDependentMaps(); |
467 } | 467 } |
468 | 468 |
469 private: | 469 private: |
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652 unsigned start_allocation_size_; | 652 unsigned start_allocation_size_; |
653 int64_t start_ticks_; | 653 int64_t start_ticks_; |
654 | 654 |
655 DISALLOW_COPY_AND_ASSIGN(CompilationPhase); | 655 DISALLOW_COPY_AND_ASSIGN(CompilationPhase); |
656 }; | 656 }; |
657 | 657 |
658 | 658 |
659 } } // namespace v8::internal | 659 } } // namespace v8::internal |
660 | 660 |
661 #endif // V8_COMPILER_H_ | 661 #endif // V8_COMPILER_H_ |
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