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New macro 'assert_code'

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It allows code that is only used by assertions but that are not
assertions (e.g., declaration of a variable used in a later assertion).
This commit is contained in:
Roberto Ierusalimschy 2024-11-15 11:57:18 -03:00
parent ee6a4cd1ec
commit d4247befa1
1 changed files with 6 additions and 5 deletions
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11
llimits.h
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@ -102,18 +102,19 @@ typedef LUAI_UACINT l_uacInt;
#undef NDEBUG #undef NDEBUG
#include <assert.h> #include <assert.h>
#define lua_assert(c) assert(c) #define lua_assert(c) assert(c)
#define assert_code(c) c
#endif #endif
#if defined(lua_assert) #if defined(lua_assert)
#define check_exp(c,e) (lua_assert(c), (e))
/* to avoid problems with conditions too long */
#define lua_longassert(c) ((c) ? (void)0 : lua_assert(0))
#else #else
#define lua_assert(c) ((void)0) #define lua_assert(c) ((void)0)
#define check_exp(c,e) (e) #define assert_code(c) ((void)0)
#define lua_longassert(c) ((void)0)
#endif #endif
#define check_exp(c,e) (lua_assert(c), (e))
/* to avoid problems with conditions too long */
#define lua_longassert(c) assert_code((c) ? (void)0 : lua_assert(0))
/* macro to avoid warnings about unused variables */ /* macro to avoid warnings about unused variables */
#if !defined(UNUSED) #if !defined(UNUSED)