OpenShot Audio Library | OpenShotAudio: juce_LeakedObjectDetector.h Source File

OpenShot Audio Library | OpenShotAudio 0.3.0

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juce_LeakedObjectDetector.h
1/*
2 ==============================================================================
3
4 This file is part of the JUCE library.
5 Copyright (c) 2017 - ROLI Ltd.
6
7 JUCE is an open source library subject to commercial or open-source
8 licensing.
9
10 The code included in this file is provided under the terms of the ISC license
11 http://www.isc.org/downloads/software-support-policy/isc-license. Permission
12 To use, copy, modify, and/or distribute this software for any purpose with or
13 without fee is hereby granted provided that the above copyright notice and
14 this permission notice appear in all copies.
15
16 JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
17 EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
18 DISCLAIMED.
19
20 ==============================================================================
21*/
22
23namespace juce
24{
25
26//==============================================================================
41template <class OwnerClass>
42 class LeakedObjectDetector
43{
44public:
45 //==============================================================================
46 LeakedObjectDetector() noexcept { ++(getCounter().numObjects); }
47 LeakedObjectDetector (const LeakedObjectDetector&) noexcept { ++(getCounter().numObjects); }
48
49 ~LeakedObjectDetector()
50 {
51 if (--(getCounter().numObjects) < 0)
52 {
53 DBG ("*** Dangling pointer deletion! Class: " << getLeakedObjectClassName());
54
66 jassertfalse;
67 }
68 }
69
70private:
71 //==============================================================================
72 class LeakCounter
73 {
74 public:
75 LeakCounter() = default;
76
77 ~LeakCounter()
78 {
79 if (numObjects.value > 0)
80 {
81 DBG ("*** Leaked objects detected: " << numObjects.value << " instance(s) of class " << getLeakedObjectClassName());
82
90 jassertfalse;
91 }
92 }
93
94 Atomic<int> numObjects;
95 };
96
97 static const char* getLeakedObjectClassName()
98 {
99 return OwnerClass::getLeakedObjectClassName();
100 }
101
102 static LeakCounter& getCounter() noexcept
103 {
104 static LeakCounter counter;
105 return counter;
106 }
107};
108
109//==============================================================================
110#if DOXYGEN || ! defined (JUCE_LEAK_DETECTOR)
111 #if (DOXYGEN || JUCE_CHECK_MEMORY_LEAKS)
131 #define JUCE_LEAK_DETECTOR(OwnerClass) \
132 friend class juce::LeakedObjectDetector<OwnerClass>; \
133 static const char* getLeakedObjectClassName() noexcept { return #OwnerClass; } \
134 juce::LeakedObjectDetector<OwnerClass> JUCE_JOIN_MACRO (leakDetector, __LINE__);
135 #else
136 #define JUCE_LEAK_DETECTOR(OwnerClass)
137 #endif
138#endif
139
140} // namespace juce
juce::LeakedObjectDetector
Definition: juce_LeakedObjectDetector.h:43
juce::Atomic
Definition: juce_Atomic.h:42