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better error message

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This commit is contained in:
Roberto Ierusalimschy
1998-12-23 12:06:57 -02:00
parent 0c9080c7a9
commit d3ac7075a2
2 changed files with 14 additions and 6 deletions
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8
ltm.c
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@@ -1,5 +1,5 @@
/*
** $Id: ltm.c,v 1.16 1998/06/18 16:57:03 roberto Exp roberto $
** $Id: ltm.c,v 1.17 1998/08/21 17:43:44 roberto Exp roberto $
** Tag methods
** See Copyright Notice in lua.h
*/
@@ -148,8 +148,10 @@ void luaT_settagmethod (int t, char *event, TObject *func)
int e = luaI_checkevent(event, luaT_eventname);
checktag(t);
if (!validevent(t, e))
luaL_verror("settagmethod: cannot change tag method `%.20s' for tag %d",
luaT_eventname[e], t);
luaL_verror("cannot change tag method `%.20s' for type `%.20s'%.20s",
luaT_eventname[e], luaO_typenames[-t],
(t == LUA_T_ARRAY || t == LUA_T_USERDATA) ? " with default tag"
: "");
*func = *luaT_getim(t,e);
*luaT_getim(t, e) = temp;
}