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luaa: new warning function 

Signed-off-by: Julien Danjou <julien@danjou.info>
This commit is contained in:
Julien Danjou 2008-11-05 11:15:57 +01:00
parent 0525f8898d
commit a9f3e379f4
1 changed files with 19 additions and 0 deletions
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19
luaa.h
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@ -321,6 +321,25 @@ luaA_dofunction(lua_State *L, luaA_ref f, int nargs, int nret)
return false;
}
/** Print a warning about some Lua code.
* This is less mean than luaL_error() which setjmp via lua_error() and kills
* everything. This only warn, it's up to you to then do what's should be done.
* \param L The Lua VM state.
* \param fmt The warning message.
*/
static inline void __attribute__ ((format(printf, 2, 3)))
luaA_warn(lua_State *L, const char *fmt, ...)
{
va_list ap;
luaL_where(L, 1);
fprintf(stderr, "%sW: ", lua_tostring(L, -1));
lua_pop(L, 1);
va_start(ap, fmt);
vfprintf(stderr, fmt, ap);
va_end(ap);
fprintf(stderr, "\n");
}
int luaA_otable_index(lua_State *);
/** Create a new object table with a metatable.