63 lines
2.3 KiB
C
63 lines
2.3 KiB
C
/* ************************************************************************** */
|
|
/* */
|
|
/* ::: :::::::: */
|
|
/* fold_redir.c :+: :+: :+: */
|
|
/* +:+ +:+ +:+ */
|
|
/* By: maiboyer <maiboyer@student.42.fr> +#+ +:+ +#+ */
|
|
/* +#+#+#+#+#+ +#+ */
|
|
/* Created: 2024/10/02 19:04:32 by maiboyer #+# #+# */
|
|
/* Updated: 2024/10/12 17:51:52 by rparodi ### ########.fr */
|
|
/* */
|
|
/* ************************************************************************** */
|
|
|
|
#include "parser/passes.h"
|
|
#include "me/types.h"
|
|
#include "me/vec/vec_token.h"
|
|
#include "parser/token.h"
|
|
|
|
bool _is_token_carret(enum e_token ttype)
|
|
{
|
|
return (ttype == TOK_LCARRET \
|
|
|| ttype == TOK_DLCARRET \
|
|
|| ttype == TOK_RCARRET \
|
|
|| ttype == TOK_DRCARRET);
|
|
}
|
|
|
|
/// This is a sample pass
|
|
///
|
|
/// There is a few rules the rest of the tokenizer machinery assumes
|
|
/// theses function follows:
|
|
/// - the input vec WILL be freed when the function return, even in
|
|
/// case of error
|
|
/// - the output vector isn't populated if the function returns an error,
|
|
/// thus it shouldn't be freed in case of error
|
|
/// - the output tokens may not be direct copy of the input tokens,
|
|
/// but need to be cloned (different allocations for stuff)
|
|
/// This function will take any ``
|
|
t_error ts_fold_redir(t_vec_token input, t_vec_token *output)
|
|
{
|
|
t_vec_token out;
|
|
t_usize i;
|
|
t_token tmp;
|
|
|
|
i = 0;
|
|
out = vec_token_new(input.len, token_free);
|
|
while (i < input.len)
|
|
{
|
|
if (vec_token_get(&input, i + 1) != NULL \
|
|
&& _is_token_carret(vec_token_get(&input, i)->type) \
|
|
&& vec_token_get(&input, i + 1)->type == TOK_WORD)
|
|
{
|
|
tmp = token_new_meta(TOK_REDIR);
|
|
vec_token_push(&tmp.subtokens, \
|
|
token_clone(vec_token_get(&input, i++)));
|
|
vec_token_push(&tmp.subtokens, \
|
|
token_clone(vec_token_get(&input, i++)));
|
|
vec_token_push(&out, tmp);
|
|
}
|
|
else
|
|
vec_token_push(&out, token_clone(&input.buffer[i++]));
|
|
}
|
|
vec_token_free(input);
|
|
return (*output = out, NO_ERROR);
|
|
}
|