77 lines
3.2 KiB
C++
77 lines
3.2 KiB
C++
/*******************************************************************************
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* The MIT License (MIT)
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*
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* Copyright (c) 2015 David Williams and Matthew Williams
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*******************************************************************************/
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#ifndef __PolyVox_Assertions_H__
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#define __PolyVox_Assertions_H__
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#include "../Config.h"
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#include "LoggingImpl.h" // Asserts can log when they fire.
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#include "PlatformDefinitions.h"
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// The code below implements a custom assert function called POLYVOX_ASSERT which has a number of advantages compared
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// to the standard C/C++ assert(). It is inspired by http://cnicholson.net/2009/02/stupid-c-tricks-adventures-in-assert/
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// which provides code under the MIT license.
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#ifdef POLYVOX_ASSERTS_ENABLED
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#define POLYVOX_ASSERT(condition, message) \
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/* We use the do...while(0) construct in our macros (for reasons see here: http://stackoverflow.com/a/154138) \
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but Visual Studio gives unhelpful 'conditional expression is constant' warnings. The recommended solution \
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(http://stackoverflow.com/a/1946485) is to disable these warnings. */ \
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POLYVOX_MSC_WARNING_PUSH \
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POLYVOX_DISABLE_MSC_WARNING(4127) \
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do \
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{ \
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if (!(condition)) \
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{ \
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std::stringstream ss; \
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ss << "\n"; \
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ss << " PolyVox Assertion Failed!"; \
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ss << " ========================="; \
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ss << " Condition: " << #condition; \
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ss << " Message: " << (message); \
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ss << " Location: " << "Line " << __LINE__ << " of " << __FILE__; \
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ss << "\n"; \
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PolyVox::getLoggerInstance()->logFatalMessage(ss.str()); \
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POLYVOX_HALT(); \
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} \
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} while(0) \
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POLYVOX_MSC_WARNING_POP
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#else
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#define POLYVOX_ASSERT(condition, message) \
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/* We use the do...while(0) construct in our macros (for reasons see here: http://stackoverflow.com/a/154138) \
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but Visual Studio gives unhelpful 'conditional expression is constant' warnings. The recommended solution \
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(http://stackoverflow.com/a/1946485) is to disable these warnings. */ \
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POLYVOX_MSC_WARNING_PUSH \
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POLYVOX_DISABLE_MSC_WARNING(4127) \
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do { POLYVOX_UNUSED(condition); POLYVOX_UNUSED(message); } while(0) \
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POLYVOX_MSC_WARNING_POP
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#endif
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#endif //__PolyVox_Assertions_H__
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