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Side by Side Diff: Source/wtf/InstanceCounter.cpp

Issue 1317563005: Fix binary size increase because of class name loading. (Closed) Base URL: https://chromium.googlesource.com/chromium/blink.git@master
Patch Set: fix build. Created 5 years, 3 months ago
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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
38 #if COMPILER(CLANG) 40 #if COMPILER(CLANG)
39 const size_t extractNameFunctionPrefixLength = sizeof("const char *WTF::extractN ameFunction() [T = ") - 1; 41 const size_t extractNameFunctionPrefixLength = sizeof("const char *WTF::extractN ameFunction() [T = ") - 1;
40 const size_t extractNameFunctionPostfixLength = sizeof("]") - 1; 42 const size_t extractNameFunctionPostfixLength = sizeof("]") - 1;
41 #elif COMPILER(GCC) 43 #elif COMPILER(GCC)
42 const size_t extractNameFunctionPrefixLength = sizeof("const char* WTF::extractN ameFunction() [with T = ") - 1; 44 const size_t extractNameFunctionPrefixLength = sizeof("const char* WTF::extractN ameFunction() [with T = ") - 1;
43 const size_t extractNameFunctionPostfixLength = sizeof("]") - 1; 45 const size_t extractNameFunctionPostfixLength = sizeof("]") - 1;
44 #elif COMPILER(MSVC) 46 #elif COMPILER(MSVC)
45 const size_t extractNameFunctionPrefixLength = sizeof("const char *__cdecl WTF:: extractNameFunction<class ") - 1; 47 const size_t extractNameFunctionPrefixLength = sizeof("const char *__cdecl WTF:: extractNameFunction<class ") - 1;
46 const size_t extractNameFunctionPostfixLength = sizeof(">(void)") - 1; 48 const size_t extractNameFunctionPostfixLength = sizeof(">(void)") - 1;
47 #else 49 #else
48 #warning "Extracting typename is supported only in compiler GCC, CLANG and MSVC at this moment" 50 #warning "Extracting typename is supported only in compiler GCC, CLANG and MSVC at this moment"
49 #endif 51 #endif
50 52
51 // This function is used to stringify a typename T without using RTTI. 53 // This function is used to stringify a typename T without using RTTI.
52 // The result of extractNameFunction<T>() is given as |funcName|. |extractTypeNa meFromFunctionName| then extracts a typename string from |funcName|. 54 // The result of extractNameFunction<T>() is given as |funcName|. |extractTypeNa meFromFunctionName| then extracts a typename string from |funcName|.
53 String extractTypeNameFromFunctionName(const char* funcName) 55 String extractTypeNameFromFunctionName(const char* funcName)
54 { 56 {
55 #if COMPILER(CLANG) || COMPILER(GCC) || COMPILER(MSVC) 57 #if COMPILER(CLANG) || COMPILER(GCC) || COMPILER(MSVC)
56 size_t funcNameLength = strlen(funcName); 58 size_t funcNameLength = strlen(funcName);
57 ASSERT(funcNameLength > extractNameFunctionPrefixLength + extractNameFunctio nPostfixLength); 59 ASSERT(funcNameLength > extractNameFunctionPrefixLength + extractNameFunctio nPostfixLength);
58 60
59 const char* funcNameWithoutPrefix = funcName + extractNameFunctionPrefixLeng th; 61 const char* funcNameWithoutPrefix = funcName + extractNameFunctionPrefixLeng th;
60 return String(funcNameWithoutPrefix, funcNameLength - extractNameFunctionPre fixLength - extractNameFunctionPostfixLength); 62 return String(funcNameWithoutPrefix, funcNameLength - extractNameFunctionPre fixLength - extractNameFunctionPostfixLength);
61 #else 63 #else
62 return String("unknown"); 64 return String("unknown");
63 #endif 65 #endif
64 } 66 }
65 67
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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