/*
 * Copyright (c) Camden Dixie O'Brien
 * SPDX-License-Identifier: AGPL-3.0-only
 */

#include "regex.h"

#include <stdlib.h>

void parse_free_tree_children(const parse_tree_t *t)
{
	if (NULL != t->contents) {
		for (int i = 0; i < t->count; ++i)
			parse_free_sequence_children(&t->contents[i]);
		free(t->contents);
	}
}

void parse_free_sequence_children(const parse_sequence_t *s)
{
	if (NULL != s->contents) {
		for (int i = 0; i < s->count; ++i) {
			switch (s->contents[i].type) {
			case PARSE_TERM_CLASS:
				parse_free_class_children(&s->contents[i].class);
				break;
			case PARSE_TERM_SUBEXPR:
				parse_free_tree_children(&s->contents[i].subexpr);
				break;
			default:
				break;
			}
		}
		free(s->contents);
	}
}

void parse_free_class_children(const parse_class_t *c)
{
	if (NULL != c->contents)
		free(c->contents);
}