104 lines
3.4 KiB
C
104 lines
3.4 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* double_quote_parsing.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: maiboyer <maiboyer@student.42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2024/10/02 19:04:32 by maiboyer #+# #+# */
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/* Updated: 2024/10/05 13:06:17 by maiboyer ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "me/string/string.h"
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#include "parser/passes.h"
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#include "me/types.h"
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#include "me/vec/vec_token.h"
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#include "parser/token.h"
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#include "me/char/char.h"
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void push_token_and_create_new(\
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t_vec_token *tokens, t_token *tok, enum e_token ttype, t_const_str s);
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void push_token_and_set_new(\
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t_vec_token *tokens, t_token *tok, enum e_token ttype, t_const_str s);
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void push_token_and_create_new_chr(\
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t_vec_token *tokens, t_token *tok, enum e_token ttype, char c);
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void push_token_and_set_new_chr(\
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t_vec_token *tokens, t_token *tok, enum e_token ttype, char c);
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t_error _parse_dquote_inner(t_token dquote, t_vec_token *append)
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{
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t_token ctok;
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t_token out;
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t_usize i;
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char c;
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out = token_new_meta(TOK_DQUOTE);
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i = 0;
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ctok = token_new_none();
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while (dquote.string.buf[i] != '\0')
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{
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c = dquote.string.buf[i++];
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if (me_isspace(c))
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{
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if (ctok.type == TOK_NONE)
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ctok = token_new(TOK_WHITESPACE);
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if (ctok.type != TOK_WHITESPACE)
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{
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vec_token_push(&out.subtokens, ctok);
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ctok = token_new(TOK_WHITESPACE);
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}
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string_push_char(&ctok.string, c);
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}
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else if ('$')
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push_token_and_create_new(&out.subtokens, &ctok, TOK_DOLLAR, "$");
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else if (!(me_isalnum(c) || c == '_'))
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push_token_and_create_new_chr(&out.subtokens, &ctok, TOK_NALPHANUM, c);
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else
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{
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if (ctok.type == TOK_NONE)
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ctok = token_new(TOK_NQUOTE);
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if (ctok.type != TOK_NQUOTE)
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{
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vec_token_push(&out.subtokens, ctok);
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ctok = token_new(TOK_NQUOTE);
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}
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string_push_char(&ctok.string, c);
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}
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};
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if (ctok.type != TOK_NONE)
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vec_token_push(&out.subtokens, ctok);
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if (ts_dq_apply_passes(out.subtokens, &out.subtokens))
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return (ERROR);
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return (vec_token_push(append, out), NO_ERROR);
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}
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/// There is a few rules the rest of the tokenizer machinery assumes
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/// theses function follows:
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/// - the input vec WILL be freed when the function return, even in
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/// case of error
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/// - the output vector isn't populated if the function returns an error,
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/// thus it shouldn't be freed in case of error
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/// - the output tokens may not be direct copy of the input tokens,
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/// but need to be cloned (different allocations for stuff)
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t_error ts_double_string_pass(t_vec_token input, t_vec_token *output)
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{
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t_vec_token out;
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t_usize i;
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i = 0;
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out = vec_token_new(input.len, token_free);
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while (i < input.len)
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{
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if (input.buffer[i].type == TOK_DQUOTE)
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{
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if (_parse_dquote_inner(input.buffer[i], &out))
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return (vec_token_free(input), ERROR);
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}
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else
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vec_token_push(&out, token_clone(&input.buffer[i]));
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i++;
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}
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vec_token_free(input);
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return (*output = out, NO_ERROR);
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}
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