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| 1 // Copyright 2015 the V8 project authors. All rights reserved. | 1 // Copyright 2015 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_PROFILER_STRINGS_STORAGE_H_ | 5 #ifndef V8_PROFILER_STRINGS_STORAGE_H_ |
| 6 #define V8_PROFILER_STRINGS_STORAGE_H_ | 6 #define V8_PROFILER_STRINGS_STORAGE_H_ |
| 7 | 7 |
| 8 #include "src/allocation.h" | 8 #include "src/allocation.h" |
| 9 #include "src/base/compiler-specific.h" | |
| 10 #include "src/hashmap.h" | 9 #include "src/hashmap.h" |
| 11 | 10 |
| 12 namespace v8 { | 11 namespace v8 { |
| 13 namespace internal { | 12 namespace internal { |
| 14 | 13 |
| 15 // Provides a storage of strings allocated in C++ heap, to hold them | 14 // Provides a storage of strings allocated in C++ heap, to hold them |
| 16 // forever, even if they disappear from JS heap or external storage. | 15 // forever, even if they disappear from JS heap or external storage. |
| 17 class StringsStorage { | 16 class StringsStorage { |
| 18 public: | 17 public: |
| 19 explicit StringsStorage(Heap* heap); | 18 explicit StringsStorage(Heap* heap); |
| 20 ~StringsStorage(); | 19 ~StringsStorage(); |
| 21 | 20 |
| 22 const char* GetCopy(const char* src); | 21 const char* GetCopy(const char* src); |
| 23 PRINTF_FORMAT(2, 3) const char* GetFormatted(const char* format, ...); | 22 const char* GetFormatted(const char* format, ...); |
| 24 PRINTF_FORMAT(2, 0) | |
| 25 const char* GetVFormatted(const char* format, va_list args); | 23 const char* GetVFormatted(const char* format, va_list args); |
| 26 const char* GetName(Name* name); | 24 const char* GetName(Name* name); |
| 27 const char* GetName(int index); | 25 const char* GetName(int index); |
| 28 const char* GetFunctionName(Name* name); | 26 const char* GetFunctionName(Name* name); |
| 29 const char* GetFunctionName(const char* name); | 27 const char* GetFunctionName(const char* name); |
| 30 size_t GetUsedMemorySize() const; | 28 size_t GetUsedMemorySize() const; |
| 31 | 29 |
| 32 private: | 30 private: |
| 33 static const int kMaxNameSize = 1024; | 31 static const int kMaxNameSize = 1024; |
| 34 | 32 |
| 35 static bool StringsMatch(void* key1, void* key2); | 33 static bool StringsMatch(void* key1, void* key2); |
| 36 const char* AddOrDisposeString(char* str, int len); | 34 const char* AddOrDisposeString(char* str, int len); |
| 37 HashMap::Entry* GetEntry(const char* str, int len); | 35 HashMap::Entry* GetEntry(const char* str, int len); |
| 38 | 36 |
| 39 uint32_t hash_seed_; | 37 uint32_t hash_seed_; |
| 40 HashMap names_; | 38 HashMap names_; |
| 41 | 39 |
| 42 DISALLOW_COPY_AND_ASSIGN(StringsStorage); | 40 DISALLOW_COPY_AND_ASSIGN(StringsStorage); |
| 43 }; | 41 }; |
| 44 } // namespace internal | 42 } // namespace internal |
| 45 } // namespace v8 | 43 } // namespace v8 |
| 46 | 44 |
| 47 #endif // V8_PROFILER_STRINGS_STORAGE_H_ | 45 #endif // V8_PROFILER_STRINGS_STORAGE_H_ |
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