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 32namespace WTF { 33 34class String; 35WTF_EXPORT String dumpRefCountedInstanceCounts(); 36 37#if ENABLE(INSTANCE_COUNTER) || ENABLE(GC_PROFILING) 38WTF_EXPORT void incrementInstanceCount(const char* extractNameFunctionName, void* ptr); 39WTF_EXPORT void decrementInstanceCount(const char* extractNameFunctionName, void* ptr); 40 41WTF_EXPORT String extractTypeNameFromFunctionName(const char* funcName); 42 43template<typename T> 44inline const char* extractNameFunction() 45{ 46 return WTF_PRETTY_FUNCTION; 47} 48 49template<typename T> 50inline void incrementInstanceCount(T* p) 51{ 52 incrementInstanceCount(extractNameFunction<T>(), p); 53} 54 55template<typename T> 56inline void decrementInstanceCount(T* p) 57{ 58 decrementInstanceCount(extractNameFunction<T>(), p); 59} 60 61#endif // ENABLE(INSTANCE_COUNTER) || ENABLE(GC_PROFILING) 62 63} // namespace WTF 64 65#endif 66