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1 /* | 1 /* |
2 * Copyright (C) 2013 Google Inc. All rights reserved. | 2 * Copyright (C) 2013 Google Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions | 5 * modification, are permitted provided that the following conditions |
6 * are met: | 6 * are met: |
7 * | 7 * |
8 * 1. Redistributions of source code must retain the above copyright | 8 * 1. Redistributions of source code must retain the above copyright |
9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
10 * 2. Redistributions in binary form must reproduce the above copyright | 10 * 2. Redistributions in binary form must reproduce the above copyright |
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28 | 28 |
29 #include "wtf/HashMap.h" | 29 #include "wtf/HashMap.h" |
30 #include "wtf/StdLibExtras.h" | 30 #include "wtf/StdLibExtras.h" |
31 #include "wtf/ThreadingPrimitives.h" | 31 #include "wtf/ThreadingPrimitives.h" |
32 #include "wtf/text/StringBuilder.h" | 32 #include "wtf/text/StringBuilder.h" |
33 #include "wtf/text/StringHash.h" | 33 #include "wtf/text/StringHash.h" |
34 #include "wtf/text/WTFString.h" | 34 #include "wtf/text/WTFString.h" |
35 | 35 |
36 namespace WTF { | 36 namespace WTF { |
37 | 37 |
38 #if ENABLE(INSTANCE_COUNTER) || ENABLE(GC_PROFILING) | |
39 | |
40 #if COMPILER(CLANG) | 38 #if COMPILER(CLANG) |
41 const size_t extractNameFunctionPrefixLength = sizeof("const char *WTF::extractN
ameFunction() [T = ") - 1; | 39 const size_t extractNameFunctionPrefixLength = sizeof("const char *WTF::extractN
ameFunction() [T = ") - 1; |
42 const size_t extractNameFunctionPostfixLength = sizeof("]") - 1; | 40 const size_t extractNameFunctionPostfixLength = sizeof("]") - 1; |
43 #elif COMPILER(GCC) | 41 #elif COMPILER(GCC) |
44 const size_t extractNameFunctionPrefixLength = sizeof("const char* WTF::extractN
ameFunction() [with T = ") - 1; | 42 const size_t extractNameFunctionPrefixLength = sizeof("const char* WTF::extractN
ameFunction() [with T = ") - 1; |
45 const size_t extractNameFunctionPostfixLength = sizeof("]") - 1; | 43 const size_t extractNameFunctionPostfixLength = sizeof("]") - 1; |
46 #elif COMPILER(MSVC) | 44 #elif COMPILER(MSVC) |
47 const size_t extractNameFunctionPrefixLength = sizeof("const char *__cdecl WTF::
extractNameFunction<class ") - 1; | 45 const size_t extractNameFunctionPrefixLength = sizeof("const char *__cdecl WTF::
extractNameFunction<class ") - 1; |
48 const size_t extractNameFunctionPostfixLength = sizeof(">(void)") - 1; | 46 const size_t extractNameFunctionPostfixLength = sizeof(">(void)") - 1; |
49 #else | 47 #else |
50 #warning "Extracting typename is supported only in compiler GCC, CLANG and MSVC
at this moment" | 48 #warning "Extracting typename is supported only in compiler GCC, CLANG and MSVC
at this moment" |
51 #endif | 49 #endif |
52 | 50 |
53 // This function is used to stringify a typename T without using RTTI. | 51 // This function is used to stringify a typename T without using RTTI. |
54 // The result of extractNameFunction<T>() is given as |funcName|. |extractTypeNa
meFromFunctionName| then extracts a typename string from |funcName|. | 52 // The result of extractNameFunction<T>() is given as |funcName|. |extractTypeNa
meFromFunctionName| then extracts a typename string from |funcName|. |
55 String extractTypeNameFromFunctionName(const char* funcName) | 53 String extractTypeNameFromFunctionName(const char* funcName) |
56 { | 54 { |
57 #if COMPILER(CLANG) || COMPILER(GCC) || COMPILER(MSVC) | 55 #if COMPILER(CLANG) || COMPILER(GCC) || COMPILER(MSVC) |
58 size_t funcNameLength = strlen(funcName); | 56 size_t funcNameLength = strlen(funcName); |
59 ASSERT(funcNameLength > extractNameFunctionPrefixLength + extractNameFunctio
nPostfixLength); | 57 ASSERT(funcNameLength > extractNameFunctionPrefixLength + extractNameFunctio
nPostfixLength); |
60 | 58 |
61 const char* funcNameWithoutPrefix = funcName + extractNameFunctionPrefixLeng
th; | 59 const char* funcNameWithoutPrefix = funcName + extractNameFunctionPrefixLeng
th; |
62 return String(funcNameWithoutPrefix, funcNameLength - extractNameFunctionPre
fixLength - extractNameFunctionPostfixLength); | 60 return String(funcNameWithoutPrefix, funcNameLength - extractNameFunctionPre
fixLength - extractNameFunctionPostfixLength); |
63 #else | 61 #else |
64 return String("unknown"); | 62 return String("unknown"); |
65 #endif | 63 #endif |
66 } | 64 } |
67 | 65 |
| 66 #if ENABLE(INSTANCE_COUNTER) || ENABLE(GC_PROFILING) |
| 67 |
68 class InstanceCounter { | 68 class InstanceCounter { |
69 public: | 69 public: |
70 void incrementInstanceCount(const String& instanceName, void* ptr); | 70 void incrementInstanceCount(const String& instanceName, void* ptr); |
71 void decrementInstanceCount(const String& instanceName, void* ptr); | 71 void decrementInstanceCount(const String& instanceName, void* ptr); |
72 String dump(); | 72 String dump(); |
73 | 73 |
74 static InstanceCounter* instance() | 74 static InstanceCounter* instance() |
75 { | 75 { |
76 DEFINE_STATIC_LOCAL(InstanceCounter, self, ()); | 76 DEFINE_STATIC_LOCAL(InstanceCounter, self, ()); |
77 return &self; | 77 return &self; |
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145 #else | 145 #else |
146 | 146 |
147 String dumpRefCountedInstanceCounts() | 147 String dumpRefCountedInstanceCounts() |
148 { | 148 { |
149 return String("{}"); | 149 return String("{}"); |
150 } | 150 } |
151 | 151 |
152 #endif // ENABLE(INSTANCE_COUNTER) || ENABLE(GC_PROFILING) | 152 #endif // ENABLE(INSTANCE_COUNTER) || ENABLE(GC_PROFILING) |
153 | 153 |
154 } // namespace WTF | 154 } // namespace WTF |
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