Function conditional_stack_get_paren_depth

src/fe_utils/conditional.c:171–177

* Fetch last-recorded parenthesis nesting depth from topmost stack entry. * Will return -1 if no stack or it was never saved. */

 * Will return -1 if no stack or it was never saved.
 */
int
conditional_stack_get_paren_depth(ConditionalStack cstack)
{
	if (conditional_stack_empty(cstack))
		return -1;
	return cstack->head->paren_depth;
}