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refactoring parsing (wip)

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This commit is contained in:
LuckyLaszlo
2021-12-11 04:27:57 +01:00
parent 9322ec9ec9
commit d3d55386d9
4 changed files with 48 additions and 36 deletions
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6
headers/minishell_prototypes.h
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@@ -6,7 +6,7 @@
/* By: lperrey <lperrey@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2021/10/08 02:59:58 by lperrey #+# #+# */
/* Updated: 2021/12/05 17:36:01 by lperrey ### ########.fr */
/* Updated: 2021/12/10 18:46:48 by lperrey ### ########.fr */
/* */
/* ************************************************************************** */
@@ -40,8 +40,8 @@ int valid_command_separator(const t_token *token_list);
size_t count_pipes(t_token *token_list);
t_cmd **pipeline_alloc(size_t cmd_nbr);
int pipeline_fill_argv(t_token *token_list, t_cmd **pipeline);
int words_expansions(t_token *token_list);
int token_expansions(t_token **t);
int expansions(t_token *token_list, t_cmd **pipeline);
int token_expansions(t_token *t);
int redirections(t_token *token_list, t_cmd **pipeline);
// Exec

14
srcs/parsing/expansions/new_token_for_each_field.c
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@@ -6,15 +6,15 @@
/* By: lperrey <lperrey@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2021/11/07 02:01:33 by lperrey #+# #+# */
/* Updated: 2021/11/30 18:51:13 by lperrey ### ########.fr */
/* Updated: 2021/12/10 19:11:52 by lperrey ### ########.fr */
/* */
/* ************************************************************************** */
#include "minishell.h"
static t_token *insert_tokens(t_token *t, t_token *insert_lst);
static void insert_tokens(t_token *t, t_token *insert_lst);
int new_token_for_each_field(char **fields, t_token **t)
int new_token_for_each_field(char **fields, t_token *t)
{
t_token head;
t_token *insert_lst;
@@ -38,11 +38,11 @@ int new_token_for_each_field(char **fields, t_token **t)
i++;
}
free(fields);
*t = insert_tokens(*t, head.next);
insert_tokens(t, head.next);
return (1);
}
static t_token *insert_tokens(t_token *t, t_token *insert_lst)
static void insert_tokens(t_token *t, t_token *insert_lst)
{
t_token *tmp;
t_token *insert_lst_last;
@@ -50,12 +50,12 @@ static t_token *insert_tokens(t_token *t, t_token *insert_lst)
t->id = 0;
ft_free_null(&t->content);
if (!insert_lst)
return (t);
return ;
tmp = t->next;
t->next = insert_lst;
insert_lst_last = (t_token *)ft_lstlast((t_list *)insert_lst);
insert_lst_last->next = tmp;
return (insert_lst_last);
//return (insert_lst_last); // return inutile pour reusinage
}

37
srcs/parsing/expansions/words_expansions.c
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@@ -6,7 +6,7 @@
/* By: lperrey <lperrey@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2021/11/07 02:01:33 by lperrey #+# #+# */
/* Updated: 2021/11/30 18:35:59 by lperrey ### ########.fr */
/* Updated: 2021/12/10 19:51:33 by lperrey ### ########.fr */
/* */
/* ************************************************************************** */
@@ -14,7 +14,7 @@
t_list *expand_token(char *content);
char *rejoin_after_expand(t_list *expand_lst);
int new_token_for_each_field(char **fields, t_token **t);
int new_token_for_each_field(char **fields, t_token *t);
// 1 - chaque bout dans un element d'une t_list
// (telle quelle si non expand, ou VARIABLE de env)
@@ -25,28 +25,43 @@ int new_token_for_each_field(char **fields, t_token **t);
// (ft_lstadd_front() sur le token original, puis set le token orignal à :
// t->id = 0 ; free(t->content) ; t->content = NULL ; pour qu'il soit ignoré sur la suite du parsing)
int words_expansions(t_token *token_list)
int expansions(t_token *t, t_cmd **pipeline)
{
while (token_list)
int i;
t_token *next_token;
i = 0;
while (t)
{
if (token_list->id == T_WORD)
token_expansions(&token_list);
token_list = token_list->next;
if (t->id == '|')
i++;
if (!pipeline[i]->error && t->id == T_WORD)
{
next_token = t->next;
if (!token_expansions(t))
{
pipeline[i]->error = EXIT_EXPANSION;
}
while (t != next_token)
t = t->next;
}
else
t = t->next;
}
return (1);
}
int token_expansions(t_token **t)
int token_expansions(t_token *t)
{
void *tmp;
char **tmp_split;
// 1
tmp = expand_token((*t)->content);
tmp = (t_list*)expand_token(t->content);
if (!tmp)
return (0);
// 2
tmp = rejoin_after_expand(tmp);
tmp = (char*)rejoin_after_expand(tmp);
if (!tmp)
return (0);
// 3
@@ -55,7 +70,7 @@ int token_expansions(t_token **t)
if (!tmp_split)
return (0);
// 4
tmp = ft_dup_2d_arr(tmp_split, (t_dup_f)ft_strdup_quotes);
tmp = (char**)ft_dup_2d_arr(tmp_split, (t_dup_f)ft_strdup_quotes);
ft_free_2d_arr(tmp_split);
tmp_split = tmp;
if (!tmp_split)

27
srcs/parsing/parsing.c
View File

@@ -6,7 +6,7 @@
/* By: lperrey <lperrey@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2021/10/24 10:52:40 by lperrey #+# #+# */
/* Updated: 2021/12/06 01:08:11 by lperrey ### ########.fr */
/* Updated: 2021/12/10 19:58:17 by lperrey ### ########.fr */
/* */
/* ************************************************************************** */
@@ -52,25 +52,22 @@ t_cmd **parsing(t_token *token_list)
// 2.9.1 - 1) Save Words
save_redirections_words(token_list);
// 2.9.1 - 2) Expansion
// TEST TOKENS PRINT
//ft_putstr_fd("TOKENS LIST :\n-----------\n", 1);
//ft_lstprint((t_list *)token_list, 1);
//
// getenv() ne va pas fonctionner avec le changement d'environnement prévu jusqu'ici.
// TODO : Revoir le changement d'environnement (avec extern char **environ ?)
// OU Integrer un equivalent perso comme dans pipex
if (!words_expansions(token_list))
return (NULL);
//
//ft_putstr_fd("TOKENS LIST EXPANDED :\n-----------\n", 1);
//ft_lstprint((t_list *)token_list, 1);
// Struct CMD alloc
pipeline = pipeline_alloc(1 + count_pipes(token_list));
if (!pipeline)
return (NULL);
// 2.9.1 - 2) Expansion
// TEST TOKENS PRINT
/* ft_putstr_fd("TOKENS LIST :\n-----------\n", STDERR_FILENO);
ft_lstprint((t_list *)token_list, STDERR_FILENO); */
//
if (!expansions(token_list, pipeline))
return (ft_retp_free(NULL, &pipeline, (t_free_f)free_pipeline));
//
/* ft_putstr_fd("TOKENS LIST EXPANDED :\n-----------\n", STDERR_FILENO);
ft_lstprint((t_list *)token_list, STDERR_FILENO); */
// 2.9.1 - 3) Redirection
if (!redirections(token_list, pipeline))
return (ft_retp_free(NULL, &pipeline, (t_free_f)free_pipeline));