forked from KolibriOS/kolibrios
59 lines
2.2 KiB
C
59 lines
2.2 KiB
C
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#ifndef __yacasbase_h__
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#define __yacasbase_h__
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#include "yacasprivate.h"
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/* /class YacasBase. All other objects should derive from YacasBase so that they use the correct
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* operators new and delete. This ensures a Yacas-specific memory manager is used.
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*/
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class YacasBase
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{
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public:
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inline YacasBase() {};
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#ifdef YACAS_DEBUG
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// New operators with additional debug arguments need to be handled differently
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static inline void* operator new(size_t size, char* aFile, int aLine)
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{ return YacasMallocPrivate(size,aFile,aLine); }
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static inline void* operator new[](size_t size, char* aFile, int aLine)
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{ return YacasMallocPrivate(size,aFile,aLine); }
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#else
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// Normal versions of operator new
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static inline void* operator new(size_t size)
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{ return PlatAlloc(size); }
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static inline void* operator new[](size_t size)
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{ return PlatAlloc(size); }
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#endif
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/* Operators delete are shared, they behave the same whether in debug or release (as
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PlatFree is mapped to the debug version of freeing memory any way)
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*/
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static inline void operator delete(void* object)
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{ PlatFree(object); }
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static inline void operator delete[](void* object)
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{ PlatFree(object); }
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// Placement form of new and delete.
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static inline void* operator new(size_t, void* where) { return where; }
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static inline void operator delete(void*, void*) {}
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/** If we don't want to force vtables, we can make the destructor inline and protected.
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* The following might cause a little bit of overhead but has the advantage that even
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* the compiler can see that this is safe (thus no unnecessary warnings). Preferrably
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* though this class has a protected inline destructor.
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*
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* When I use Xcode on the MacOSX, I would prefer to not see the warnings that the
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* destructor of this class is not virtual, and speed is not the primary concern in
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* that build (as that build is used mostly for debugging).
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*
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* HIDE_UNIMPORTANT_COMPILER_WARNINGS can be defined in case one wants to get rid of
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* compiler warnings, as opposed to having maximum running speed.
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*/
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protected:
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#ifdef HIDE_UNIMPORTANT_COMPILER_WARNINGS
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virtual
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#else // HIDE_UNIMPORTANT_COMPILER_WARNINGS
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inline
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#endif // HIDE_UNIMPORTANT_COMPILER_WARNINGS
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~YacasBase() {};
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};
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#endif
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