/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   parsing.c                                          :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: lperrey <lperrey@student.42.fr>            +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2021/10/24 10:52:40 by lperrey           #+#    #+#             */
/*   Updated: 2021/10/24 19:19:08 by lperrey          ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "minishell.h"

// A quoi bon un arbre binaire ? Je ne vois plus l'utilité.

/* typedef struct s_binary_tree
{
	char					*content;
	struct s_binary_tree	*sub;
	struct s_binary_tree	*sibling;
	enum e_token_id			id;
}				t_binary_tree; */

t_cmd	**parsing(t_token *token_list)
{
	t_cmd	**cmd_arr;
	size_t	cmd_nbr;

	(void)cmd_arr;
	(void)cmd_nbr;
/* 	t_binary_tree	*syntax_tree;
	
	syntax_tree = ft_calloc(1, sizeof *syntax_tree);
	if (!syntax_tree)
		return (0); //WIP ERROR */
	
	if (!valid_syntax(token_list))
		return (NULL);
	// Pipes count (determine cmd_nbr)
		
	// Struct CMD alloc/fill

	// 2.9.1 - 2) Expansion

	// 2.9.1 - 3) Redirection
	
	//return (cmd_arr);
	return ((t_cmd **)1); //temp test
}

/* -------------------------------------------------------
   The grammar symbols
   ------------------------------------------------------- */
/*
%token  WORD
%token  LESS // '<'
%token  GREAT // '>'
%token  DLESS // '<<'
%token  DGREAT // '>>'
%token  PIPE // '|'
*/

/* -------------------------------------------------------
   The Simplified Grammar
   ------------------------------------------------------- */
/*
%start program
%%
pipeline         :                   command
                 | pipe_sequence '|' command
                 ;
command          : cmd_prefix cmd_name cmd_suffix
                 | cmd_prefix cmd_name
                 | cmd_name cmd_suffix
                 | cmd_name
                 ;
cmd_name         : WORD                   // Apply rule 7a
                 ;
cmd_prefix       :            io_redirect
                 | cmd_prefix io_redirect
                 ;
cmd_suffix       :            io_redirect
                 | cmd_suffix io_redirect
                 |            WORD
                 | cmd_suffix WORD
                 ;
io_redirect      :           io_file
                 |           io_here
                 ;
io_file          : '<'       filename
                 | '>'       filename
                 | DGREAT    filename
                 ;
filename         : WORD                      // Apply rule 2
                 ;
io_here          : DLESS     here_end
                 ;
here_end         : WORD                      // Apply rule 3
                 ;
*/