72 lines
No EOL
2.5 KiB
C++
72 lines
No EOL
2.5 KiB
C++
// Copyright (c) 2019, Paul Ferrand
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// All rights reserved.
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are met:
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// 1. Redistributions of source code must retain the above copyright notice, this
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// list of conditions and the following disclaimer.
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// 2. Redistributions in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
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// ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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// ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#pragma once
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#include <atomic>
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#include "Debug.h"
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template <class Owner>
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class LeakDetector {
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public:
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LeakDetector()
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{
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objectCounter.count++;
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}
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LeakDetector(const LeakDetector&)
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{
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objectCounter.count++;
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}
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~LeakDetector()
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{
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objectCounter.count--;
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if (objectCounter.count.load() < 0) {
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DBG("Deleted a dangling pointer for class " << Owner::getClassName());
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// Deleted a dangling pointer!
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ASSERTFALSE;
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}
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}
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private:
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struct ObjectCounter {
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ObjectCounter() = default;
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~ObjectCounter()
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{
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if (auto residualCount = count.load() > 0) {
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DBG("Leaked " << residualCount << " instance(s) of class " << Owner::getClassName());
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// Leaked ojects
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ASSERTFALSE;
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}
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};
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std::atomic<int> count { 0 };
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};
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static inline ObjectCounter objectCounter;
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};
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#ifndef NDEBUG
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#define LEAK_DETECTOR(Class) \
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friend class LeakDetector<Class>; \
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static const char* getClassName() { return #Class; } \
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LeakDetector<Class> leakDetector;
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#else
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#define LEAK_DETECTOR(Class)
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#endif |