#include "ast_and_or.h"

#include <stdlib.h>

bool ast_is_and_or(struct ast *node)
{
    return node != NULL && node->type == AST_AND_OR;
}

struct ast_and_or *ast_get_and_or(struct ast *node)
{
    if (ast_is_and_or(node))
        return (struct ast_and_or *)node->data;
    return NULL;
}

struct ast *ast_create_and_or(struct ast *left, struct ast *right,
                              enum ast_and_or_type type)
{
    struct ast_and_or *and_or = malloc(sizeof(struct ast_and_or));
    if (!and_or)
        return NULL;
    and_or->left = left;
    and_or->right = right;
    and_or->type = type;

    return ast_create(AST_AND_OR, and_or);
}

void ast_free_and_or(struct ast_and_or *and_or)
{
    if (!and_or)
        return;
    ast_free(&and_or->left);
    ast_free(&and_or->right);
    free(and_or);
}