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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* main.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: cacharle <cacharle@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2020/02/28 11:45:44 by cacharle #+# #+# */
/* Updated: 2020/09/15 17:04:20 by charles ### ########.fr */
/* */
/* ************************************************************************** */
/*
** \file main.c
** \brief Minishell entrypoint
*/
#include "minishell.h"
#include "lexer.h"
#include "parser.h"
#include "eval.h"
/* void token_debug(void *v); */
/* void token_put(void *v); */
/* void print_level(int level); */
/* void ast_print(int level, t_ast *ast); */
void tok_lst_debug(t_tok_lst *tokens);
/*
** TODO
** signal whole line
** path optimisation on command not found
** path tricks
*/
bool env_set_default(t_env env, char *key, char *value)
{
if (env_search(env, key, NULL) != NULL)
return (true);
return (env_export(env, key, value) != NULL);
}
char *g_basename = "minishell";
int main(int argc, char **argv, char **envp)
{
t_env env;
env = env_from_array(envp);
char buf[PATH_MAX] = {0};
if (!(getcwd(buf, PATH_MAX)))
return(1);
char *shlvl_str = env_search(env, "SHLVL", NULL);
if (shlvl_str != NULL)
{
shlvl_str = ft_itoa(ft_atoi(shlvl_str));
env_export(env, "SHLVL", shlvl_str);
free(shlvl_str);
}
if (!env_set_default(env, "PWD", buf) ||
!env_set_default(env, "SHLVL", "0") ||
!env_set_default(env, "PATH", "/sbin:"))
return (1);
/* char *path_str = env_search(env, "PATH"); */
/* if (ft_strstr(path_str, "/sbin") == NULL) */
/* { */
/* char *value = ft_strjoin("/sbin:", path_str); */
/* env_export(env, "PATH", value); */
/* free(value); */
/* } */
char env_exec_path[PATH_MAX + 1];
if (path_search(env, "env", env_exec_path, false) != 0)
{
ft_strcpy(env_exec_path, "/sbin/env");
/* errorf("env: command not found\n"); */
/* return (127); */
}
env_export(env, "_", env_exec_path);
g_last_status = 0;
signal(SIGINT, signal_sigint);
signal(SIGQUIT, signal_sigquit);
signal(SIGTERM, signal_sigterm);
char *last_slash = ft_strrchr(argv[0], '/');
if (last_slash == NULL)
g_basename = argv[0];
else
g_basename = last_slash + 1;
if (argc == 3 && ft_strcmp(argv[1], "-l") == 0)
{
t_tok_lst *lex_out;
int status = lexer(argv[2], &lex_out);
if (status != 0)
return (status);
tok_lst_debug(lex_out);
/* ft_lstiter((t_ftlst*)lex_out, token_debug); */
}
else if (argc == 3 && ft_strcmp(argv[1], "-c") == 0) // put in MINISHELL_TEST
{
t_tok_lst *lex_out;
int status = lexer(argv[2], &lex_out);
if (status != 0)
return (status);
t_parsed *parser_out = parse(lex_out);
if (parser_out == NULL || parser_out->syntax_error)
return (1);
/* ast_print(0, parser_out->ast); */
/* printf("===cmd_argv===\n"); */
/* ft_lstiter(parser_out->ast->cmd_argv, token_debug); */
/* printf("===redirs===\n"); */
/* ft_lstiter(parser_out->ast->redirs, token_debug); */
int fds[2] = {FD_NONE, FD_NONE};
status = eval(fds, env, parser_out->ast, NULL);
if (status == EVAL_FATAL)
exit(1);
g_last_status = status;
exit(status);
return (0);
}
else
{
int ret;
char *line;
int status;
print_prompt();
while ((ret = ft_getline(STDIN_FILENO, &line)) == FTGL_OK)
{
if (*line == '\0')
{
print_prompt();
continue;
}
t_tok_lst *lex_out;
status = lexer(line, &lex_out);
if (status != 0)
return (status);
t_parsed *parser_out = parse(lex_out);
if (parser_out == NULL)
return (1);
if (parser_out->syntax_error)
{
print_prompt();
continue;
}
int fds[2] = {FD_NONE, FD_NONE};
int status = eval(fds, env, parser_out->ast, NULL);
if (status == EVAL_FATAL)
exit(1);
g_last_status = status;
print_prompt();
}
if (ret != FTGL_EOF)
return (1);
}
ft_vecdestroy(env, free);
return (g_last_status);
}
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