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acc625609d
New class NCollection_AlignedAllocator. New macros STANDARD_ALIGNED. New methods Standard::AllocateAligned() and Standard::FreeAligned(). Add missing Standard_EXPORT
93 lines
4.3 KiB
C++
93 lines
4.3 KiB
C++
// Created on: 2012-01-19
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// Created by: Dmitry BOBYLEV
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// Copyright (c) 2012-2014 OPEN CASCADE SAS
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//
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// This file is part of Open CASCADE Technology software library.
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//
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// This library is free software; you can redistribute it and/or modify it under
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// the terms of the GNU Lesser General Public License version 2.1 as published
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// by the Free Software Foundation, with special exception defined in the file
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// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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// distribution for complete text of the license and disclaimer of any warranty.
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//
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// Alternatively, this file may be used under the terms of Open CASCADE
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// commercial license or contractual agreement.
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#ifndef _Standard_DefineAlloc_HeaderFile
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#define _Standard_DefineAlloc_HeaderFile
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// Macro to override new and delete operators for arrays.
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// Defined to empty for old SUN compiler
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# if defined(__SUNPRO_CC) && (__SUNPRO_CC <= 0x530)
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# define DEFINE_STANDARD_ALLOC_ARRAY
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# else
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# define DEFINE_STANDARD_ALLOC_ARRAY \
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void* operator new[] (size_t theSize) \
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{ \
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return Standard::Allocate (theSize); \
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} \
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void operator delete[] (void* theAddress) \
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{ \
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Standard::Free (theAddress); \
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}
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# endif
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// Macro to override placement new and placement delete operators.
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// For Borland C and old SUN compilers do not define placement delete
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// as it is not supported.
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# if defined(__BORLANDC__) || (defined(__SUNPRO_CC) && (__SUNPRO_CC <= 0x530))
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# define DEFINE_STANDARD_ALLOC_PLACEMENT \
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void* operator new (size_t, void* theAddress) \
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{ \
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return theAddress; \
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}
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# else
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# define DEFINE_STANDARD_ALLOC_PLACEMENT \
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void* operator new (size_t, void* theAddress) \
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{ \
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return theAddress; \
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} \
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void operator delete (void*, void*) \
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{ \
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}
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# endif
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// Macro to override operators new and delete to use OCC memory manager
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# define DEFINE_STANDARD_ALLOC \
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void* operator new (size_t theSize) \
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{ \
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return Standard::Allocate (theSize); \
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} \
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void operator delete (void* theAddress) \
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{ \
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Standard::Free (theAddress); \
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} \
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DEFINE_STANDARD_ALLOC_ARRAY \
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DEFINE_STANDARD_ALLOC_PLACEMENT
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// Declare operator new in global scope for old sun compiler
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#ifndef WORKAROUND_SUNPRO_NEW_PLACEMENT
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#define WORKAROUND_SUNPRO_NEW_PLACEMENT
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#if defined(__SUNPRO_CC) && (__SUNPRO_CC <= 0x420)
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inline void* operator new(size_t,void* anAddress)
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{
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return anAddress;
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}
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#endif
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#endif
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//! @def STANDARD_ALIGNED(theAlignment, theType, theVar)
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//! Declare variable with memory alignment.
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//! @code
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//! static const STANDARD_ALIGNED(8, char, THE_ARRAY)[] = {0xFF, 0xFE, 0xFA, 0xFB, 0xFF, 0x11, 0x22, 0x33};
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//! @endcode
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#if defined(_MSC_VER)
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#define STANDARD_ALIGNED(theAlignment, theType, theVar) __declspec(align(theAlignment)) theType theVar
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#elif defined(__GNUC__)
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#define STANDARD_ALIGNED(theAlignment, theType, theVar) theType __attribute__ ((aligned (theAlignment))) theVar
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#else
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#define STANDARD_ALIGNED(theAlignment, theType, theVar) theType theVar
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#endif
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#endif // _Standard_DefineAlloc_HeaderFile
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