TYPE_PARN_OPEN
case TYPE_PARN_OPEN:
case TYPE_PARN_OPEN:
ex->type = TYPE_PARN_OPEN;
} else if (at->type == TYPE_PARN_OPEN) {
} else if (at->type == TYPE_PARN_OPEN) {
if (at->type == TYPE_PARN_OPEN) {
if (at->type == TYPE_PARN_OPEN) {
if (at->type == TYPE_PARN_OPEN) {
at->type = TYPE_PARN_OPEN;
if (exp->type == TYPE_PARN_OPEN) {
if (exp->type == TYPE_PARN_OPEN) {
if (other_half->type == TYPE_PARN_OPEN) {