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compiler checks for __COUNTER__

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dmitry.trifonov 2013-11-07 16:56:26 +04:00
parent 7be4d07158
commit c3f448e96f
1 changed files with 17 additions and 3 deletions
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20
include/internal/catch_common.h
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@ -10,10 +10,24 @@
#define INTERNAL_CATCH_UNIQUE_NAME_COUNTER2( name, counter ) name##counter
#define INTERNAL_CATCH_UNIQUE_NAME_COUNTER( name, counter ) INTERNAL_CATCH_UNIQUE_NAME_COUNTER2( name, counter )
#define INTERNAL_CATCH_UNIQUE_NAME( name ) INTERNAL_CATCH_UNIQUE_NAME_COUNTER( name, __LINE__ )
// try to define truly unique name independent of line it has been introduced
#if defined(_MSC_VER) && (_MSC_VER >= 1300)
// __COUNTER__ introduced in VS 7 (VS.NET 2002)
#define INTERNAL_CATCH_TRUE_UNIQUE_NAME( name ) INTERNAL_CATCH_UNIQUE_NAME_COUNTER( name, __COUNTER__ )
#elif defined(__GNUC__) && (__GNUC__ >= 4) && (__GNUC_MINOR__ >= 3)
// __COUNTER__ introduced in gcc 4.3
// http://gcc.gnu.org/gcc-4.3/changes.html
#define INTERNAL_CATCH_TRUE_UNIQUE_NAME( name ) INTERNAL_CATCH_UNIQUE_NAME_COUNTER( name, __COUNTER__ )
#elif defined(__clang__) && (__clang_major__ >= 3)
// really haven't found when __COUNTER__ was introduced in clang, but 3.0 definetely have it
#define INTERNAL_CATCH_TRUE_UNIQUE_NAME( name ) INTERNAL_CATCH_UNIQUE_NAME_COUNTER( name, __COUNTER__ )
#else
// since there's no __COUNTER__ use __LINE__ as a more or less reasonable substitute
#define INTERNAL_CATCH_TRUE_UNIQUE_NAME( name ) INTERNAL_CATCH_UNIQUE_NAME_COUNTER( name, __LINE__ )
#endif
#define INTERNAL_CATCH_UNIQUE_NAME_LINE2( name, line ) name##line
#define INTERNAL_CATCH_UNIQUE_NAME_LINE( name, line ) INTERNAL_CATCH_UNIQUE_NAME_LINE2( name, line )
#define INTERNAL_CATCH_UNIQUE_NAME( name ) INTERNAL_CATCH_UNIQUE_NAME_LINE( name, __LINE__ )
#define INTERNAL_CATCH_STRINGIFY2( expr ) #expr
#define INTERNAL_CATCH_STRINGIFY( expr ) INTERNAL_CATCH_STRINGIFY2( expr )