977b9c8af3
http://codereview.appspot.com/6242070/ git-svn-id: http://skia.googlecode.com/svn/trunk@4170 2bbb7eff-a529-9590-31e7-b0007b416f81
52 lines
1.7 KiB
C++
52 lines
1.7 KiB
C++
/*
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* Copyright 2012 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#ifndef SkInstCnt_DEFINED
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#define SkInstCnt_DEFINED
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/*
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* The instance counting system consists of three macros that create the
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* instance counting machinery. A class is added to the system by adding:
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* DECLARE_INST_COUNT at the top of its declaration
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* DEFINE_INST_COUNT at the top of its .cpp file
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* and a PRINT_INST_COUNT line at the application's end point
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*/
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#ifdef SK_DEBUG
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#define DECLARE_INST_COUNT \
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class SkInstanceCountHelper { \
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public: \
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SkInstanceCountHelper() { \
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gInstanceCount++; \
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} \
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\
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~SkInstanceCountHelper() { \
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gInstanceCount--; \
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} \
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\
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static int32_t gInstanceCount; \
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} fInstanceCountHelper; \
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\
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static int32_t GetInstanceCount() { \
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return SkInstanceCountHelper::gInstanceCount; \
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}
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#define DEFINE_INST_COUNT(className) \
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int32_t className::SkInstanceCountHelper::gInstanceCount = 0;
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#define PRINT_INST_COUNT(className) \
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SkDebugf("Leaked %s objects: %d\n", \
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#className, \
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className::GetInstanceCount());
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#else
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#define DECLARE_INST_COUNT
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#define DEFINE_INST_COUNT(className)
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#define PRINT_INST_COUNT(className)
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#endif
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#endif // SkInstCnt_DEFINED
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