我正在尝试定义以下宏以禁用特定警告:
#define HUGE_VAL_DISABLE_WRN #pragma warning( disable : 4005 )
HUGE_VAL_DISABLE_WRN
#include "header.h"
我得到以下错误(都在同一行):
error C2121: '#' : invalid character : possibly the result of a macro expansion
error C2146: syntax error : missing ';' before identifier 'warning'
error C4430: missing type specifier - int assumed. Note: C++ does not support default-int
error C2065: 'disable' : undeclared identifier
error C2143: syntax error : missing ')' before ':'
error C2448: 'warning' : function-style initializer appears to be a function definition
error C2059: syntax error : 'constant'
error C2059: syntax error : ')'
我想做的是定义一个包含一些预处理器指令的宏,在某些情况下这些指令可以是空的,但我显然遗漏了一些东西。
完整的定义是:
#if (_MSC_VER < REC_VISUAL_CPP_VERS && INTEL_MKL_VERSION < REC_INTEL_MKL_VERS)
#define HUGE_VAL_DISABLE_WRN_BEGIN \
_Pragma("warning( push )") \
_Pragma("warning( disable : 4005 )")
#define HUGE_VAL_DISABLE_WRN_END #pragma warning( pop )
#else
#define HUGE_VAL_DISABLE_WRN_BEGIN
#define HUGE_VAL_DISABLE_WRN_END
#endif
由此我得到:
error : this declaration has no storage class or type specifier
error : a value of type "const char *" cannot be used to initialize an entity of type "int"
error : expected a ";"
warning : parsing restarts here after previous syntax error