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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ast.h :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: charles <charles.cabergs@gmail.com> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2020/04/01 17:05:38 by charles #+# #+# */
/* Updated: 2020/06/09 11:44:45 by charles ### ########.fr */
/* */
/* ************************************************************************** */
#ifndef AST_H
# define AST_H
/*
** \file ast.h
** \brief AST structs
*/
# include <stdlib.h>
# include <stdbool.h>
# include "libft_mem.h"
# include "libft_util.h"
/*
** \brief Separator type
** \param SEP_END `;` Regular command end
** \param SEP_PIPE `|` Pipe output of left to right
** \param SEP_AND `&&` Execute right if left status == 0
** \param SEP_OR `||` Execute right if left status != 0
*/
typedef enum e_sep
{
SEP_END,
SEP_PIPE,
SEP_AND,
SEP_OR,
} t_sep;
struct s_ast;
/*
** \brief Line 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_line
{
struct s_ast *left;
struct s_ast *right;
t_sep sep;
} t_line;
/*
** \brief Command struct
** \param argv Array of string,
** all arguments beginning with executable name
** \param in STDIN redirection filename
** \param out STDOUT redirection filename
** \param is_append True if out redirection is append to file
*/
typedef struct s_cmd
{
char **argv; // change to t_ftvec of t_token
char *in; // change to t_token
char *out; // change to t_token
bool is_append;
} t_cmd;
/*
** \brief AST node tag (type)
** \param TAG_CMD Command AST node
** \param TAG_LINE Line AST node
*/
typedef enum e_ast_tag
{
TAG_CMD,
TAG_LINE,
} t_ast_tag;
/*
** \brief AST node struct
** \param tag Node tag
** \param cmd Command struct
** \param line Line struct
*/
typedef struct s_ast
{
t_ast_tag tag;
union
{
t_line line;
t_cmd cmd;
};
} t_ast;
typedef struct s_ret
{
t_ast *as;
t_ftlst *rest;
}
t_ast *ast_new(t_ast_tag tag, void *data);
void ast_destroy(t_ast *ast);
#endif
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