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Maieul BOYER 2024-08-31 18:10:13 +00:00
parent 11c4ad684f
commit 5ebadce4f8
10 changed files with 494 additions and 348 deletions
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46
parser/src/lexer/lexer_lookahead.c Normal file
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* lexer_lookahead.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: maiboyer <maiboyer@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/08/31 18:09:03 by maiboyer #+# #+# */
/* Updated: 2024/08/31 18:09:03 by maiboyer ### ########.fr */
/* */
/* ************************************************************************** */
#include "me/types.h"
#include "parser/input.h"
#include "parser/lexer.h"
bool ts_lexer__eof(const TSLexer *_self);
t_u32 ts_lexer__get_column(TSLexer *_self);
void ts_lexer__advance(TSLexer *_self, bool skip);
void ts_lexer__do_advance(Lexer *self, bool skip);
void ts_lexer__clear_chunk(Lexer *self);
void ts_lexer__get_chunk(Lexer *self);
void ts_lexer__get_lookahead(Lexer *self);
void ts_lexer__mark_end(TSLexer *_self);
void ts_lexer_advance_to_end(Lexer *self);
void ts_lexer_goto(Lexer *self, Length position);
void ts_lexer__get_lookahead(Lexer *self)
{
t_u32 position_in_chunk;
t_u32 size;
const t_u8 *chunk;
position_in_chunk = self->current_position.bytes - self->chunk_start;
size = self->chunk_size - position_in_chunk;
if (size == 0)
{
self->lookahead_size = 1;
self->data.lookahead = '\0';
return;
}
chunk = (const t_u8 *)self->chunk + position_in_chunk;
self->lookahead_size = ts_decode_ascii(chunk, size, &self->data.lookahead);
if (self->data.lookahead == TS_DECODE_ERROR)
self->lookahead_size = 1;
}