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orphan backquotes and orpan parens generate parse errors

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This commit is contained in:
Jack Halford 2017-02-02 15:23:31 +01:00
parent 073ef322e4
commit b08b727779
9 changed files with 29 additions and 10 deletions
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1
42sh/.gitignore vendored
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@ -3,4 +3,5 @@ minishell
42sh
out
debug
.42sh_history
*.dSYM

2
42sh/includes/lexer.h
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@ -6,7 +6,7 @@
/* By: jhalford <jack@crans.org> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2016/12/01 12:15:50 by jhalford #+# #+# */
/* Updated: 2017/02/02 14:55:46 by jhalford ### ########.fr */
/* Updated: 2017/02/02 15:14:58 by jhalford ### ########.fr */
/* */
/* ************************************************************************** */

2
42sh/src/builtin/builtin_exit.c
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@ -6,7 +6,7 @@
/* By: jhalford <jack@crans.org> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2016/11/28 14:28:41 by jhalford #+# #+# */
/* Updated: 2017/01/09 16:25:06 by jhalford ### ########.fr */
/* Updated: 2017/02/02 15:04:48 by jhalford ### ########.fr */
/* */
/* ************************************************************************** */

2
42sh/src/exec/ft_exec.c
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@ -6,7 +6,7 @@
/* By: jhalford <jack@crans.org> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2016/11/27 20:30:32 by jhalford #+# #+# */
/* Updated: 2017/02/02 14:49:49 by jhalford ### ########.fr */
/* Updated: 2017/02/02 15:04:50 by jhalford ### ########.fr */
/* */
/* ************************************************************************** */

2
42sh/src/lexer/command_getoutput.c
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@ -6,7 +6,7 @@
/* By: jhalford <jack@crans.org> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2017/01/12 14:01:59 by jhalford #+# #+# */
/* Updated: 2017/02/02 14:52:30 by jhalford ### ########.fr */
/* Updated: 2017/02/02 15:16:25 by jhalford ### ########.fr */
/* */
/* ************************************************************************** */

15
42sh/src/lexer/ft_post_tokenize.c
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@ -6,7 +6,7 @@
/* By: jhalford <jack@crans.org> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2017/01/11 16:11:11 by jhalford #+# #+# */
/* Updated: 2017/02/02 14:54:57 by jhalford ### ########.fr */
/* Updated: 2017/02/02 15:22:34 by jhalford ### ########.fr */
/* */
/* ************************************************************************** */
@ -15,13 +15,26 @@
int ft_post_tokenize(t_list **alst, char **str)
{
int ret;
t_flag tk;
while ((ret = reduce_parens(alst, *str)))
if (ret == -1)
{
ft_dprintf(2, "{red}%s: parse error near '('{eoc}\n", SHELL_NAME);
return (-1);
}
tk = TK_PAREN_CLOSE;
if (ft_lst_find(*alst, &tk, token_cmp_type))
{
ft_dprintf(2, "{red}%s: parse error near ')'{eoc}\n", SHELL_NAME);
return (-1);
}
while ((ret = reduce_bquotes(alst, str)))
if (ret == -1)
{
ft_dprintf(2, "{red}%s: parse error near '`'{eoc}\n", SHELL_NAME);
return (-1);
}
DG("new command from bquotes: '%s'", *str);
return (0);
}

9
42sh/src/lexer/reduce_bquotes.c
View file

@ -6,7 +6,7 @@
/* By: jhalford <jack@crans.org> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2017/01/11 16:46:27 by jhalford #+# #+# */
/* Updated: 2017/02/02 14:52:28 by jhalford ### ########.fr */
/* Updated: 2017/02/02 15:16:24 by jhalford ### ########.fr */
/* */
/* ************************************************************************** */
@ -24,10 +24,12 @@ int reduce_bquotes(t_list **alst, char **str)
char *bq_end;
tk = TK_BQUOTE;
DG("check 0");
if ((start = ft_lst_find(*alst, &tk, token_cmp_type)))
{
DG("check 1");
end = &start->next;
while (end)
while (end && *end)
{
token = (*end)->content;
if (token->type == TK_BQUOTE)
@ -35,7 +37,10 @@ int reduce_bquotes(t_list **alst, char **str)
end = &(*end)->next;
}
if (!*end)
{
DG("check 42");
return (-1);
}
bq_start = ((t_token*)start->content)->data;
bq_end = ((t_token*)(*end)->content)->data;
ft_lstdel(end, token_free);

2
42sh/src/lexer/reduce_parens.c
View file

@ -6,7 +6,7 @@
/* By: jhalford <jack@crans.org> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2017/01/11 16:13:31 by jhalford #+# #+# */
/* Updated: 2017/01/12 13:50:10 by jhalford ### ########.fr */
/* Updated: 2017/02/02 15:19:02 by jhalford ### ########.fr */
/* */
/* ************************************************************************** */

4
42sh/src/main/main.c
View file

@ -6,7 +6,7 @@
/* By: jhalford <jhalford@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2016/12/06 18:40:58 by jhalford #+# #+# */
/* Updated: 2017/02/02 14:55:29 by jhalford ### ########.fr */
/* Updated: 2017/02/02 15:22:00 by jhalford ### ########.fr */
/* */
/* ************************************************************************** */
@ -53,7 +53,7 @@ int main(int ac, char **av)
{
if (ft_readline())
return (1);
if (shell_single_command(ft_strdup(data_singleton()->line.input)))
if (shell_single_command(ft_strdup(data_singleton()->line.input)) < 0)
return (1);
}
return (0);