ast_utils.c

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/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ast_utils.c                                        :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: baelgadi <baelgadi@student.42.fr>          +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2025/12/07 21:02:54 by zotaj-di          #+#    #+#             */
/*   Updated: 2026/03/04 04:46:13 by baelgadi         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */
 
#include "ast.h"
#include "libft.h"
 
static void free_args(char **args)
{
    int i;
 
    if (!args)
        return ;
    i = 0;
    while (args[i])
    {
        free(args[i]);
        i++;
    }
    free(args);
}
 
void    free_ast(t_ast *node)
{
    if (!node)
        return ;
    if (node->type == NODE_COMMAND)
        free_args(node->data.cmd.args);
    else if (node->type == NODE_PIPE)
    {
        free_ast(node->data.binary.left);
        free_ast(node->data.binary.right);
    }
    else if (node->type >= NODE_REDIR_IN && node->type <= NODE_REDIR_HEREDOC)
    {
        if (node->data.redir.heredoc_fd >= 0)
            close(node->data.redir.heredoc_fd);
        free(node->data.redir.file);
        free_ast(node->data.redir.cmd);
    }
    free(node);
}