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Improve static assertion macro.

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This commit is contained in:
Mike Pall
2011-02-07 21:44:01 +01:00
parent 51e8fe9cf0
commit 0a50356b6f
2 changed files with 7 additions and 1 deletions
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5
src/lj_def.h
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@@ -239,7 +239,12 @@ static LJ_AINLINE uint32_t lj_fls(uint32_t x)
/* Static assertions. */
#define LJ_ASSERT_NAME2(name, line) name ## line
#define LJ_ASSERT_NAME(line) LJ_ASSERT_NAME2(lj_assert_, line)
#ifdef __COUNTER__
#define LJ_STATIC_ASSERT(cond) \
extern void LJ_ASSERT_NAME(__COUNTER__)(int STATIC_ASSERTION_FAILED[(cond)?1:-1])
#else
#define LJ_STATIC_ASSERT(cond) \
extern void LJ_ASSERT_NAME(__LINE__)(int STATIC_ASSERTION_FAILED[(cond)?1:-1])
#endif
#endif