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parsing et execution partielle de hugo

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hugogogo
2021-11-02 13:38:52 +01:00
parent 698dcbe1ed
commit a926a817da
7 changed files with 78 additions and 339 deletions
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1
Makefile
View File

@@ -26,7 +26,6 @@ SRCS = main.c init.c free.c generic.c \
lexing.c \
parsing.c \
valid_syntax.c valid_pipeline.c valid_command.c valid_io_redirect.c \
fill_cmd.c cmd_expansion.c \
env.c exit.c echo.c
DIR_OBJS = builds

15
file.txt
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@@ -1,15 +0,0 @@
builds
cat
echo
file.txt
headers
libft
Makefile
minishell
minishell.en.subject.pdf
parsing.txt
README.md
ressources
srcs
tests
valgrind_readline.supp

17
fille.txt
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@@ -1,17 +0,0 @@
total 1376
drwxrwxr-x 2 simplonco simplonco 4096 oct. 30 15:32 builds
-rw-rw-r-- 1 simplonco simplonco 0 oct. 28 21:00 cat
-rw-rw-r-- 1 simplonco simplonco 125 oct. 28 21:00 echo
-rwxrwxr-x 1 simplonco simplonco 150 oct. 28 21:03 file.txt
-rwx------ 1 simplonco simplonco 0 oct. 30 15:33 fille.txt
drwxrwxr-x 2 simplonco simplonco 4096 oct. 28 21:10 headers
drwxrwxr-x 8 simplonco simplonco 4096 oct. 23 20:48 libft
-rw-rw-r-- 1 simplonco simplonco 1412 oct. 29 12:32 Makefile
-rwxrwxr-x 1 simplonco simplonco 72256 oct. 30 15:32 minishell
-rw-rw-r-- 1 simplonco simplonco 1273353 oct. 7 21:29 minishell.en.subject.pdf
-rw-rw-r-- 1 simplonco simplonco 3365 oct. 27 14:47 parsing.txt
-rw-rw-r-- 1 simplonco simplonco 15216 oct. 28 21:00 README.md
drwxrwxr-x 2 simplonco simplonco 4096 oct. 28 21:00 ressources
drwxrwxr-x 4 simplonco simplonco 4096 oct. 30 15:32 srcs
drwxrwxr-x 2 simplonco simplonco 4096 oct. 27 14:47 tests
-rw-rw-r-- 1 simplonco simplonco 58 oct. 13 17:38 valgrind_readline.supp

28
srcs/parsing/cmd_expansion.c
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@@ -1,28 +0,0 @@
#include "minishell.h"
void cmd_expansion(t_cmd **cmd_arr, char **envp)
{
char **str;
char *var;
int i;
int j;
(void)envp;
i = 0;
while (cmd_arr[i])
{
j = 0;
str = cmd_arr[i]->argv;
while (str[j])
{
var = ft_strchr(str[j], '$');
if (var != NULL)
{
printf("%s\n", var);
}
j++;
}
i++;
}
}

159
srcs/parsing/fill_cmd.c
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@@ -1,159 +0,0 @@
#include "minishell.h"
int nbr_pipes(t_token *token)
{
int nb;
nb = 0;
while (token)
{
if (token->id == T_PIPE)
nb++;
token = token->next;
}
return (nb);
}
int nbr_argv(t_token *token)
{
int i;
i = 0;
while (token && token->id != T_PIPE)
{
token = token->next;
i++;
}
return (i);
}
//void handle_argv(t_token **token, t_cmd *cmd)
//{
// int argc;
// int i;
//
// argc = nbr_argv(*token);
// cmd->argv = calloc(argc + 1, sizeof(char *));
// cmd->argv[argc] = NULL;
// i = 0;
// while (*token && (*token)->id != T_PIPE)
// {
// if ((*token)->id == T_WORD)
// {
// cmd->argv[i] = ft_strdup((*token)->content);
// i++;
// }
// *token = (*token)->next;
// }
// if (*token && (*token)->id == T_PIPE)
// *token = (*token)->next;
//}
//void handle_fd(t_token *token, t_cmd **cmd)
//{
// int *pipes_fd;
//
// (*cmd)->fd_out = 1;
// while (token && token->id != T_PIPE)
// {
// // T_LESS : '<',
// if (token->id == T_LESS)
// {
// if ((*cmd)->fd_in != 0)
// close((*cmd)->fd_in);
// (*cmd)->fd_in = open(token->next->content, O_RDONLY | O_CREAT);
// token->id = T_TOKEN;
// token->next->id = T_TOKEN;
// }
// // T_GREAT : '>',
// if (token->id == T_GREAT)
// {
// (*cmd)->fd_out = open(token->next->content, O_WRONLY | O_CREAT | O_TRUNC, S_IRWXU);
// token->id = T_TOKEN;
// token->next->id = T_TOKEN;
// }
// // T_DGREAT : '>>'
// if (token->id == T_DGREAT)
// {
// (*cmd)->fd_out = open(token->next->content, O_WRONLY | O_CREAT | O_APPEND, S_IRWXU);
// token->id = T_TOKEN;
// token->next->id = T_TOKEN;
// }
// // T_DLESS : '<<' (heredoc)
// // if (token->id == T_DGREAT)
// // {
// // cmd->fd_out = open(token->next->content, O_WRONLY | O_TMPFILE | O_APPEND, S_IRWXU);
// // token->out = T_TOKEN;
// // token->next->id = T_TOKEN;
// // }
// token = token->next;
// }
// if (token && token->id == T_PIPE)
// {
// pipes_fd = calloc(2, sizeof(int));
// pipe(pipes_fd);
// if ((*cmd)->fd_out == 1)
// (*cmd)->fd_out = pipes_fd[1];
// else
// close(pipes_fd[1]);
// cmd[1]->fd_in = pipes_fd[0];
// }
//}
//int handle_builtin(t_token *token, t_cmd *cmd)
//{
// (void)token;
// (void)cmd;
// return (0);
//}
//
//void handle_cmd(char **argv, char **envp)
//{
// int i;
// char **path;
// char *cmd;
//
// i = 0;
// while (envp[i] && ft_strncmp(envp[i], "PATH=", 5))
// i++;
// path = ft_split(envp[i] + 5, ':'); // 5 = lentgh of "PATH="
// i = -1;
// while (*path && i != 0)
// {
// cmd = ft_strjoin(path[0], "/");
// cmd = ft_strjoin(cmd, argv[0]);
// i = access(cmd, X_OK);
// path++;
// }
// argv[0] = cmd;
//}
/*
t_cmd **fill_cmd(t_token *token, char **envp)
{
t_cmd **cmd;
int pipes;
int i;
// pipes = nbr_pipes(token);
// cmd = ft_calloc(pipes + 2, sizeof(t_cmd*));
// cmd[pipes + 1] = NULL;
// i = -1;
// while (++i <= pipes)
// {
// cmd[i] = ft_calloc(1, sizeof(t_cmd));
// ft_bzero(cmd[i], sizeof(t_cmd));
// }
i = 0;
while (i <= pipes)
{
handle_fd(token, cmd + i);
handle_argv(&token, cmd[i]);
if (!handle_builtin(token, cmd[i]))
handle_cmd(cmd[i]->argv, envp);
i++;
}
return(cmd);
}
*/

60
srcs/parsing/parsing.c
View File

@@ -1,6 +1,35 @@
#include "minishell.h"
size_t count_pipes(t_token *token);
t_cmd **create_cmd(t_token *token_list, size_t cmd_nbr);
void handle_argv(t_token *token, t_cmd **cmd, size_t cmd_nbr);
void handle_path(t_cmd **cmd_arr, char **envp);
void handle_fd(t_token *token, t_cmd **cmd_arr);
void fd_heredoc(t_token *token, t_cmd *cmd);
void fd_redirection(t_token *token, t_cmd *cmd);
void find_path(char **argv, char **envp);
int handle_builtin(t_cmd *cmd);
int fill_builtin(t_cmd *cmd, int (*builtin)(int, char **, t_all *));
int next_cmd(t_token *token);
int is_redirection(enum e_token_id id);
t_cmd **parsing(t_token *token_list, char **envp)
{
t_cmd **cmd_arr;
size_t cmd_nbr;
if (!valid_syntax(token_list))
return (NULL);
cmd_nbr = count_pipes(token_list);
cmd_arr = create_cmd(token_list, cmd_nbr);
// cmd_expansion(cmd_arr, envp);
handle_argv(token_list, cmd_arr, cmd_nbr);
handle_path(cmd_arr, envp);
handle_fd(token_list, cmd_arr);
return (cmd_arr);
}
size_t count_pipes(t_token *token)
{
size_t nb;
@@ -186,12 +215,6 @@ void fd_heredoc(t_token *token, t_cmd *cmd)
{
(void)token;
(void)cmd;
// if (token->id == T_DGREAT) // <<
// {
// cmd->fd_out = open(token->next->content, O_WRONLY | O_TMPFILE | O_APPEND, S_IRWXU);
// token->out = T_TOKEN;
// token->next->id = T_TOKEN;
// }
}
void handle_fd(t_token *token, t_cmd **cmd_arr)
@@ -226,31 +249,6 @@ void handle_fd(t_token *token, t_cmd **cmd_arr)
}
}
t_cmd **parsing(t_token *token_list, char **envp)
{
t_cmd **cmd_arr;
size_t cmd_nbr;
if (!valid_syntax(token_list))
return (NULL);
cmd_nbr = count_pipes(token_list);
cmd_arr = create_cmd(token_list, cmd_nbr);
// cmd_expansion(cmd_arr, envp);
handle_argv(token_list, cmd_arr, cmd_nbr);
handle_path(cmd_arr, envp);
handle_fd(token_list, cmd_arr);
//int j;
//j = 0;
//while (cmd_arr[j])
//{
// printf("%i\n", j);
// print_matrix(cmd_arr[j]->argv, " ; ");
// j++;
//}
return (cmd_arr);
}
/* -------------------------------------------------------
The grammar symbols

137
srcs/shell_loop.c
View File

@@ -6,13 +6,60 @@
/* By: lperrey <lperrey@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2021/10/04 05:59:26 by lperrey #+# #+# */
/* Updated: 2021/10/30 15:32:49 by hulamy ### ########.fr */
/* Updated: 2021/11/02 13:37:12 by hulamy ### ########.fr */
/* */
/* ************************************************************************** */
#include "minishell.h"
static char **tokens_list_to_argv(t_token *t); // temp test
void close_fd(t_cmd *cmd);
void execute_cmd(char **envp, t_cmd **cmd_arr);
void shell_loop(t_all *c)
{
char *line_input;
line_input = NULL;
while (1)
{
if (line_input)
free(line_input);
line_input = readline(c->prompt);
if (line_input && *line_input)
{
add_history(line_input);
c->token_list = input_to_tokens(line_input);
c->cmd_arr = parsing(c->token_list, c->envp);
execute_cmd(c->envp, c->cmd_arr);
ft_lstclear((t_list **)&c->token_list, free);
}
}
}
void wip_test()
{
char term_desc[2048];
char *term_type;
int term_width;
int term_height;
int ret;
term_type = getenv("TERM");
if (term_type == 0)
ft_putstr_fd("Specify a terminal type with `setenv TERM <yourtype>'.\n", 2);
ret = tgetent(term_desc, term_type);
if (ret < 0)
ft_putstr_fd("Could not access the termcap data base.\n", 2);
if (ret == 0)
ft_putstr_fd("Terminal type `%s' is not defined.\n", 2);
term_height = tgetnum ("li");
term_width = tgetnum ("co");
/* Extract information that termcap functions use. */
/* temp = tgetstr ("pc", BUFFADDR);
PC = temp ? *temp : 0;
BC = tgetstr ("le", BUFFADDR);
UP = tgetstr ("up", BUFFADDR); */
}
void close_fd(t_cmd *cmd)
{
@@ -49,89 +96,3 @@ void execute_cmd(char **envp, t_cmd **cmd_arr)
// waitpid pour la derniere commande (pour '$?')
while ((wpid = wait(&status)) > 0);
}
void shell_loop(t_all *c)
{
char *line_input;
line_input = NULL;
while (1)
{
if (line_input)
free(line_input);
line_input = readline(c->prompt);
if (line_input && *line_input)
{
add_history(line_input);
c->token_list = input_to_tokens(line_input);
// EXEC_PIPES_AND_CO()
// temp placeholder
(void)tokens_list_to_argv;
// if (ft_strncmp(c->token_list->content, "env", 4) == 0)
// builtin_env(0, NULL, c);
// else if (ft_strncmp(c->token_list->content, "exit", 5) == 0)
// builtin_exit(0, NULL, c);
// else if (ft_strncmp(c->token_list->content, "echo", 5) == 0)
// builtin_echo(ft_lstsize((t_list *)c->token_list) + 1, tokens_list_to_argv(c->token_list), c);
// else
// {
c->cmd_arr = parsing(c->token_list, c->envp);
if (c->cmd_arr == NULL)
ft_putstr_fd("Syntax KO:\n-----------\n", 1);
// else
// ft_putstr_fd("Syntax OK:\n-----------\n", 1);
// ft_putstr_fd("TOKENS LIST :\n-----------\n", 1);
// ft_lstprint((t_list *)c->token_list, 1);
execute_cmd(c->envp, c->cmd_arr);
ft_lstclear((t_list **)&c->token_list, free);
// }
}
}
}
static char **tokens_list_to_argv(t_token *t) // temp test
{
size_t i;
char **argv;
i = ft_lstsize((t_list *)t);
argv = ft_calloc(i + 1, sizeof(char*));
i = 0;
while (t)
{
argv[i] = t->content;
i++;
t = t->next;
}
return (argv);
}
void wip_test()
{
char term_desc[2048];
char *term_type;
int term_width;
int term_height;
int ret;
term_type = getenv("TERM");
if (term_type == 0)
ft_putstr_fd("Specify a terminal type with `setenv TERM <yourtype>'.\n", 2);
ret = tgetent(term_desc, term_type);
if (ret < 0)
ft_putstr_fd("Could not access the termcap data base.\n", 2);
if (ret == 0)
ft_putstr_fd("Terminal type `%s' is not defined.\n", 2);
term_height = tgetnum ("li");
term_width = tgetnum ("co");
/* Extract information that termcap functions use. */
/* temp = tgetstr ("pc", BUFFADDR);
PC = temp ? *temp : 0;
BC = tgetstr ("le", BUFFADDR);
UP = tgetstr ("up", BUFFADDR); */
}