new_objid
(yyval.objid) = new_objid((yyvsp[(1) - (4)].name), (yyvsp[(3) - (4)].constant));
(yyval.objid) = new_objid(NULL, (yyvsp[(1) - (1)].constant));
static struct objid *new_objid(const char *label, int value);
static struct objid *new_objid(const char *label, int value);
$$ = new_objid($1, $3);
$$ = new_objid(NULL, $1);