56 lines
1.5 KiB
C++
56 lines
1.5 KiB
C++
/*
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* mptException.h
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* --------------
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* Purpose: Exception abstraction, in particular for bad_alloc.
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* Notes : (currently none)
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* Authors: OpenMPT Devs
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* The OpenMPT source code is released under the BSD license. Read LICENSE for more details.
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*/
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#pragma once
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#include "BuildSettings.h"
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#include "mptBaseMacros.h"
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#include <exception>
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#if !defined(_MFC_VER)
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#include <new>
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#endif // !_MFC_VER
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#if defined(_MFC_VER)
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// cppcheck-suppress missingInclude
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#include <afx.h>
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#endif // _MFC_VER
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OPENMPT_NAMESPACE_BEGIN
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// Exception handling helpers, because MFC requires explicit deletion of the exception object,
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// Thus, always call exactly one of MPT_EXCEPTION_RETHROW_OUT_OF_MEMORY() or MPT_EXCEPTION_DELETE_OUT_OF_MEMORY(e).
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#if defined(_MFC_VER)
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#define MPT_EXCEPTION_THROW_OUT_OF_MEMORY() MPT_DO { AfxThrowMemoryException(); } MPT_WHILE_0
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#define MPT_EXCEPTION_CATCH_OUT_OF_MEMORY(e) catch ( CMemoryException * e )
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#define MPT_EXCEPTION_RETHROW_OUT_OF_MEMORY(e) MPT_DO { MPT_UNUSED_VARIABLE(e); throw; } MPT_WHILE_0
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#define MPT_EXCEPTION_DELETE_OUT_OF_MEMORY(e) MPT_DO { if(e) { e->Delete(); e = nullptr; } } MPT_WHILE_0
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#else // !_MFC_VER
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#define MPT_EXCEPTION_THROW_OUT_OF_MEMORY() MPT_DO { throw std::bad_alloc(); } MPT_WHILE_0
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#define MPT_EXCEPTION_CATCH_OUT_OF_MEMORY(e) catch ( const std::bad_alloc & e )
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#define MPT_EXCEPTION_RETHROW_OUT_OF_MEMORY(e) MPT_DO { MPT_UNUSED_VARIABLE(e); throw; } MPT_WHILE_0
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#define MPT_EXCEPTION_DELETE_OUT_OF_MEMORY(e) MPT_DO { MPT_UNUSED_VARIABLE(e); } MPT_WHILE_0
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#endif // _MFC_VER
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OPENMPT_NAMESPACE_END
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