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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* eval.h :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: charles <charles.cabergs@gmail.com> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2020/04/01 17:05:30 by charles #+# #+# */
/* Updated: 2020/06/17 16:41:58 by charles ### ########.fr */
/* */
/* ************************************************************************** */
#ifndef EVAL_H
# define EVAL_H
/*
** \file eval.h
** \brief Evaluation module
*/
# include "minishell.h"
# include "lexer.h"
# include "ast.h"
/*
** \brief Evaluation state struct
*/
typedef struct
{
t_path path;
t_env env;
} t_eval_state;
/*
** \brief Evaluation status struct
*/
typedef struct s_eval_status
{
char *err;
int status;
} t_eval_status;
typedef struct
{
t_eval_state *state;
t_op *op;
int fd_in;
int fd_out;
} t_fork_param_op;
typedef struct
{
char *exec_path;
char **argv;
t_env env;
t_builtin_func builtin;
} t_fork_param_cmd;
# define MS_NO_FD -2
# define FDS_WRITE 1
# define FDS_READ 0
/*
** op.c
*/
int eval_op(int fds[2], t_env env, t_path path, t_op *op);
int eval(int fds[2], t_env env, t_path path, t_ast *ast);
enum e_error
{
ERROR_AMBIGUOUS_REDIR,
ERROR_OPEN,
ERROR_CMD_NOT_FOUND,
ERROR_SYNTAX,
};
typedef struct
{
enum e_error id;
int status;
char *msg; // if NULL call strerror
// char *basename;
} t_error;
/*
** error.c
*/
void error_eval_put(enum e_error id, char *unexpected);
/*
** cmd.c
*/
int fork_wrap(int fds[2], void *passed, int (*wrapped)(void *param));
int eval_cmd(int fds[2], t_env env, t_path path, t_ast *ast);
/*
** redir.c
*/
bool redir_extract(t_ftlst *redirs, t_env env, int fds[2]);
/*
** exec.c
*/
bool exec_is_path(char *exec_name);
bool exec_is_valid(char *exec_path);
char *exec_search_path(t_path path, char *path_var, char *exec_name);
#endif
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