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| 1 // Copyright 2014 the V8 project authors. All rights reserved. | 1 // Copyright 2014 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_COMPILER_ZONE_POOL_H_ | 5 #ifndef V8_COMPILER_ZONE_POOL_H_ |
| 6 #define V8_COMPILER_ZONE_POOL_H_ | 6 #define V8_COMPILER_ZONE_POOL_H_ |
| 7 | 7 |
| 8 #include <map> | 8 #include <map> |
| 9 #include <set> | 9 #include <set> |
| 10 #include <vector> | 10 #include <vector> |
| 11 | 11 |
| 12 #include "src/zone.h" | 12 #include "src/zone.h" |
| 13 | 13 |
| 14 namespace v8 { | 14 namespace v8 { |
| 15 namespace internal { | 15 namespace internal { |
| 16 namespace compiler { | 16 namespace compiler { |
| 17 | 17 |
| 18 class ZonePool FINAL { | 18 class ZonePool final { |
| 19 public: | 19 public: |
| 20 class Scope FINAL { | 20 class Scope final { |
| 21 public: | 21 public: |
| 22 explicit Scope(ZonePool* zone_pool) : zone_pool_(zone_pool), zone_(NULL) {} | 22 explicit Scope(ZonePool* zone_pool) : zone_pool_(zone_pool), zone_(NULL) {} |
| 23 ~Scope() { Destroy(); } | 23 ~Scope() { Destroy(); } |
| 24 | 24 |
| 25 Zone* zone() { | 25 Zone* zone() { |
| 26 if (zone_ == NULL) zone_ = zone_pool_->NewEmptyZone(); | 26 if (zone_ == NULL) zone_ = zone_pool_->NewEmptyZone(); |
| 27 return zone_; | 27 return zone_; |
| 28 } | 28 } |
| 29 void Destroy() { | 29 void Destroy() { |
| 30 if (zone_ != NULL) zone_pool_->ReturnZone(zone_); | 30 if (zone_ != NULL) zone_pool_->ReturnZone(zone_); |
| 31 zone_ = NULL; | 31 zone_ = NULL; |
| 32 } | 32 } |
| 33 | 33 |
| 34 private: | 34 private: |
| 35 ZonePool* const zone_pool_; | 35 ZonePool* const zone_pool_; |
| 36 Zone* zone_; | 36 Zone* zone_; |
| 37 DISALLOW_COPY_AND_ASSIGN(Scope); | 37 DISALLOW_COPY_AND_ASSIGN(Scope); |
| 38 }; | 38 }; |
| 39 | 39 |
| 40 class StatsScope FINAL { | 40 class StatsScope final { |
| 41 public: | 41 public: |
| 42 explicit StatsScope(ZonePool* zone_pool); | 42 explicit StatsScope(ZonePool* zone_pool); |
| 43 ~StatsScope(); | 43 ~StatsScope(); |
| 44 | 44 |
| 45 size_t GetMaxAllocatedBytes(); | 45 size_t GetMaxAllocatedBytes(); |
| 46 size_t GetCurrentAllocatedBytes(); | 46 size_t GetCurrentAllocatedBytes(); |
| 47 size_t GetTotalAllocatedBytes(); | 47 size_t GetTotalAllocatedBytes(); |
| 48 | 48 |
| 49 private: | 49 private: |
| 50 friend class ZonePool; | 50 friend class ZonePool; |
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| 83 size_t total_deleted_bytes_; | 83 size_t total_deleted_bytes_; |
| 84 | 84 |
| 85 DISALLOW_COPY_AND_ASSIGN(ZonePool); | 85 DISALLOW_COPY_AND_ASSIGN(ZonePool); |
| 86 }; | 86 }; |
| 87 | 87 |
| 88 } // namespace compiler | 88 } // namespace compiler |
| 89 } // namespace internal | 89 } // namespace internal |
| 90 } // namespace v8 | 90 } // namespace v8 |
| 91 | 91 |
| 92 #endif | 92 #endif |
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