Differential D1673 Diff 6981 source/lib/code_generation.h

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source/lib/code_generation.h

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	#define SAFE_NEW(type, ptr)\			#define SAFE_NEW(type, ptr)\
	type* ptr;\			type* ptr;\
	try\			try\
	{\			{\
	ptr = new type();\			ptr = new type();\
	}\			}\
	catch(std::bad_alloc&)\			catch(std::bad_alloc&)\
	{\			{\
	ptr = 0;\			ptr = nullptr;\
	}			}

	/**			/**
	* delete memory ensuing from new and set the pointer to zero			* delete memory ensuing from new and set the pointer to nullptr
	* (thus making double-frees safe / a no-op)			* (thus making double-frees safe / a no-op)
	**/			**/
	#define SAFE_DELETE(p)\			#define SAFE_DELETE(p)\
	STMT(\			STMT(\
	delete (p); /* if p == 0, delete is a no-op */ \			delete (p); /* if p == nullptr, delete is a no-op */ \
	(p) = 0;\			(p) = nullptr;\
	)			)

	/**			/**
	* delete memory ensuing from new[] and set the pointer to zero			* delete memory ensuing from new[] and set the pointer to nullptr
	* (thus making double-frees safe / a no-op)			* (thus making double-frees safe / a no-op)
	**/			**/
	#define SAFE_ARRAY_DELETE(p)\			#define SAFE_ARRAY_DELETE(p)\
	STMT(\			STMT(\
	delete[] (p); /* if p == 0, delete is a no-op */ \			delete[] (p); /* if p == nullptr, delete is a no-op */ \
	(p) = 0;\			(p) = nullptr;\
	)			)

	/**			/**
	* free memory ensuing from malloc and set the pointer to zero			* free memory ensuing from malloc and set the pointer to nullptr
	* (thus making double-frees safe / a no-op)			* (thus making double-frees safe / a no-op)
	**/			**/
	#define SAFE_FREE(p)\			#define SAFE_FREE(p)\
	STMT(\			STMT(\
	free((void)p); / if p == 0, free is a no-op */ \			free((void)p); / if p == nullptr, free is a no-op */ \
	(p) = 0;\			(p) = nullptr;\
	)			)

	#endif // #ifndef INCLUDED_CODE_GENERATION			#endif // #ifndef INCLUDED_CODE_GENERATION