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new macro 'cvt2str' to better control whether numbers are convertible

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to strings
This commit is contained in:
Roberto Ierusalimschy
2014-07-30 11:00:14 -03:00
parent 1aa5262634
commit 34ac039fb8
6 changed files with 54 additions and 52 deletions
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5
ldebug.c
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@@ -1,5 +1,5 @@
/*
** $Id: ldebug.c,v 2.98 2014/07/15 21:26:50 roberto Exp roberto $
** $Id: ldebug.c,v 2.99 2014/07/17 12:30:53 roberto Exp roberto $
** Debug Interface
** See Copyright Notice in lua.h
*/
@@ -526,8 +526,7 @@ l_noret luaG_typeerror (lua_State *L, const TValue *o, const char *op) {
l_noret luaG_concaterror (lua_State *L, const TValue *p1, const TValue *p2) {
if (ttisstring(p1) || ttisnumber(p1)) p1 = p2;
lua_assert(!ttisstring(p1) && !ttisnumber(p1));
if (ttisstring(p1) || cvt2str(p1)) p1 = p2;
luaG_typeerror(L, p1, "concatenate");
}