1 /* 2 * Copyright (C) 2013 Google Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY 15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 16 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 17 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY 18 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 19 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 20 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 21 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26 #ifndef InstanceCounter_h 27 #define InstanceCounter_h 28 29 #include "wtf/Compiler.h" 30 #include "wtf/WTFExport.h" 31 32 namespace WTF { 33 34 class String; 35 WTF_EXPORT String dumpRefCountedInstanceCounts(); 36 37 #if ENABLE(INSTANCE_COUNTER) || ENABLE(GC_TRACING) 38 WTF_EXPORT void incrementInstanceCount(const char* extractNameFunctionName, void* ptr); 39 WTF_EXPORT void decrementInstanceCount(const char* extractNameFunctionName, void* ptr); 40 41 WTF_EXPORT String extractTypeNameFromFunctionName(const char* funcName); 42 43 template<typename T> 44 inline const char* extractNameFunction() 45 { 46 return WTF_PRETTY_FUNCTION; 47 } 48 49 template<typename T> 50 inline void incrementInstanceCount(T* p) 51 { 52 incrementInstanceCount(extractNameFunction<T>(), p); 53 } 54 55 template<typename T> 56 inline void decrementInstanceCount(T* p) 57 { 58 decrementInstanceCount(extractNameFunction<T>(), p); 59 } 60 61 #endif // ENABLE(INSTANCE_COUNTER) || ENABLE(GC_TRACING) 62 63 } // namespace WTF 64 65 #endif 66