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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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