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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* parser.h :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: cacharle <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2020/02/28 09:00:00 by cacharle #+# #+# */
/* Updated: 2020/06/14 10:31:20 by charles ### ########.fr */
/* */
/* ************************************************************************** */
#ifndef PARSE_H
# define PARSE_H
# include "minishell.h"
# include "ast.h"
/*
** \file parse.h
** \brief Input parsing and AST manipulation
**
** Context free grammar:
** ```
** redir_in ::= '<' <string>
** redir_out ::= '>' <string>
** redir_append ::= '>>' <string>
** string ::= '\'' .+ '\'' | '"' .+ '"' | [^ ]+
** sep ::= '&&' | '||' | '|' | ';'
** expr ::= <redir_in> | <redir_out> | <redir_append> | <string>
** cmd ::= <expr>+
** line ::= <cmd> <sep> <line> | <cmd>
** ```
*/
/*
** parse.c
*/
t_ret *parse(t_ftlst *input);
t_ast *parse_cmd(t_ast *ast, t_ftlst *ret);
t_ast *parse_redir(t_ast *ast, t_ftlst *rest);
int parse_cmd_str_true_false(enum e_token_tag tag);
int parse_redir_true_false(enum e_token_tag tag);
#endif
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