Function undefgoto

src/Chain/libraries/glua/lparser.cpp:484–490

** generates an error for an undefined 'goto'; choose appropriate ** message when label name is a reserved word (which can only be 'break') */

** message when label name is a reserved word (which can only be 'break')
*/
static l_noret undefgoto(LexState *ls, Labeldesc *gt) {
    const char *msg = isreserved(gt->name)
        ? "<%s> at line %d not inside a loop"
        : "no visible label '%s' for <goto> at line %d";
    msg = luaO_pushfstring(ls->L, msg, getstr(gt->name), gt->line);
    semerror(ls, msg);
}


static void leaveblock(FuncState *fs) {