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update: added folding into expansion node if possible

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maix0 2024-10-03 22:52:01 +02:00
parent 09dbd2de91
commit 142ac9c9e1
11 changed files with 278 additions and 41 deletions
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98
parser/src/passes/double_quote_parsing.c Normal file
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@ -0,0 +1,98 @@
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* double_quote_parsing.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: maiboyer <maiboyer@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/10/02 19:04:32 by maiboyer #+# #+# */
/* Updated: 2024/10/03 22:43:27 by maiboyer ### ########.fr */
/* */
/* ************************************************************************** */
#include "me/string/string.h"
#include "parser/passes.h"
#include "me/types.h"
#include "me/vec/vec_token.h"
#include "parser/token.h"
#include "me/char/char.h"
void push_token_and_create_new(\
t_vec_token *tokens, t_token *tok, enum e_token ttype, t_const_str s);
void push_token_and_set_new(\
t_vec_token *tokens, t_token *tok, enum e_token ttype, t_const_str s);
t_error _parse_dquote_inner(t_token dquote, t_vec_token *append)
{
t_token ctok;
t_token out;
t_usize i;
char c;
out = token_new_meta(TOK_DQUOTE);
i = 0;
ctok = token_new_none();
while (dquote.string.buf[i] != '\0')
{
c = dquote.string.buf[i++];
if (me_isspace(c))
{
if (ctok.type == TOK_NONE)
ctok = token_new(TOK_WHITESPACE);
if (ctok.type != TOK_WHITESPACE)
{
vec_token_push(&out.subtokens, ctok);
ctok = token_new(TOK_WHITESPACE);
}
string_push_char(&ctok.string, c);
}
else if (c == '$')
push_token_and_create_new(&out.subtokens, &ctok, TOK_DOLLAR, "$");
else
{
if (ctok.type == TOK_NONE)
ctok = token_new(TOK_NQUOTE);
if (ctok.type != TOK_NQUOTE)
{
vec_token_push(&out.subtokens, ctok);
ctok = token_new(TOK_NQUOTE);
}
string_push_char(&ctok.string, c);
}
};
if (ctok.type != TOK_NONE)
vec_token_push(&out.subtokens, ctok);
if (ts_dq_apply_passes(out.subtokens, &out.subtokens))
return (ERROR);
return (vec_token_push(append, out), NO_ERROR);
}
/// 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)
t_error ts_double_string_pass(t_vec_token input, t_vec_token *output)
{
t_vec_token out;
t_usize i;
i = 0;
out = vec_token_new(input.len, token_free);
while (i < input.len)
{
if (input.buffer[i].type == TOK_DQUOTE)
{
if (_parse_dquote_inner(input.buffer[i], &out))
return (vec_token_free(input), ERROR);
}
else
vec_token_push(&out, token_clone(&input.buffer[i]));
i++;
}
vec_token_free(input);
return (*output = out, NO_ERROR);
}