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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ast.h :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: charles <charles@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2020/04/01 17:05:38 by charles #+# #+# */
/* Updated: 2020/06/18 13:35:38 by charles ### ########.fr */
/* */
/* ************************************************************************** */
#ifndef AST_H
# define AST_H
/*
** \file ast.h
** \brief AST structs
*/
# include <stdlib.h>
# include <stdbool.h>
# include "libft_lst.h"
# include "lexer.h"
struct s_ast;
/*
** \brief Operation struct
** \param left AST to the left of separator
** \param right AST to the right of separator
** \param sep Type of separator
*/
typedef struct s_op
{
struct s_ast *left;
struct s_ast *right;
enum e_token_tag sep;
} t_op;
/*
** \brief AST node tag (type)
** \param TAG_CMD Command AST node
** \param TAG_OP Operation AST node
*/
enum e_ast_tag
{
AST_CMD,
AST_OP,
AST_OP_PARENT,
};
/*
** \brief AST node struct
** \param tag Node tag
** \param op Operation struct
** \param cmd_argv Array of string tokens
** \param in STDIN redirection string tokens
** \param out STDOUT redirection string tokens
** \param is_append True if out redirection is append to file
*/
typedef struct s_ast
{
enum e_ast_tag tag;
union
{
t_op op;
t_ftlst *cmd_argv;
};
t_ftlst *redirs;
} t_ast;
typedef struct s_ret
{
t_token *unexpected;
t_ast *ast;
t_ftlst *rest;
} t_ret;
t_ast *ast_new(enum e_ast_tag tag);
void ast_destroy(t_ast *ast);
#endif
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