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(svn r19604) -Codechange: Reintroduce assert_tcompile().

This commit is contained in:
frosch 2010-04-11 15:43:54 +00:00
parent 5c7aaf11ba
commit 03c609f019
1 changed files with 6 additions and 1 deletions
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7
src/stdafx.h
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@ -313,15 +313,20 @@ typedef unsigned char byte;
#define PERSONAL_DIR ""
#endif
/* Compile time assertions. Prefer c++0x static_assert() */
/* Compile time assertions. Prefer c++0x static_assert().
* Older compilers cannot evaluate some expressions at compile time,
* typically when templates are involved, try assert_tcompile() in those cases. */
#if defined(__STDCXX_VERSION__) || defined(__GXX_EXPERIMENTAL_CXX0X__) || defined(__GXX_EXPERIMENTAL_CPP0X__) || defined(static_assert)
/* __STDCXX_VERSION__ is c++0x feature macro, __GXX_EXPERIMENTAL_CXX0X__ is used by gcc, __GXX_EXPERIMENTAL_CPP0X__ by icc */
#define assert_compile(expr) static_assert(expr, #expr )
#define assert_tcompile(expr) assert_compile(expr)
#elif defined(__OS2__)
/* Disabled for OS/2 */
#define assert_compile(expr)
#define assert_tcompile(expr) assert_compile(expr)
#else
#define assert_compile(expr) typedef int __ct_assert__[1 - 2 * !(expr)]
#define assert_tcompile(expr) assert(expr)
#endif
/* Check if the types have the bitsizes like we are using them */