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new macro 'cast_void'

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Roberto Ierusalimschy
2014-03-07 13:19:00 -03:00
parent c5bb3643ab
commit cd12410195
3 changed files with 9 additions and 7 deletions
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7
lcode.c
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@@ -1,5 +1,5 @@
/*
** $Id: lcode.c,v 2.81 2014/03/06 13:58:28 roberto Exp roberto $
** $Id: lcode.c,v 2.82 2014/03/06 16:15:18 roberto Exp roberto $
** Code generator for Lua
** See Copyright Notice in lua.h
*/
@@ -756,8 +756,9 @@ void luaK_indexed (FuncState *fs, expdesc *t, expdesc *k) {
static int validop (OpCode op, TValue *v1, TValue *v2) {
lua_Number a, b;
lua_Integer i;
(void)a; (void)b; /* macro may not use its arguments */
if (luai_numinvalidop(op, (tonumber(v1, &a), a), (tonumber(v2, &b), b)))
cast_void(a); cast_void(b); /* macro may not use its arguments */
if (luai_numinvalidop(op, (cast_void(tonumber(v1, &a)), a),
(cast_void(tonumber(v2, &b)), b)))
return 0;
switch (op) {
case LUA_OPIDIV: /* division by 0 and conversion errors */