css_parse/
parser_checkpoint.rs

1use crate::{Cursor, Kind, KindSet, Span, State, ToSpan, Token};
2
3/// Represents a point during the [Parser's][crate::Parser] lifecycle; retaining state that can then be rewound.
4///
5/// Don't use this directly, instead retrieve a checkpoint with [Parser::checkpoint()][crate::Parser::checkpoint] and
6/// rewind the parser to a checkpoint with [Parser::rewind()][crate::Parser::rewind()].
7#[derive(Debug, Clone)]
8pub struct ParserCheckpoint<I> {
9	pub(crate) cursor: Cursor,
10	pub(crate) errors_pos: u8,
11	pub(crate) trivia_pos: u16,
12	pub(crate) iter: I,
13	pub(crate) buffer: [Cursor; 12],
14	pub(crate) buffer_index: usize,
15	pub(crate) skip: KindSet,
16	pub(crate) stop: KindSet,
17	pub(crate) state: State,
18}
19
20impl<I> From<ParserCheckpoint<I>> for Cursor {
21	fn from(value: ParserCheckpoint<I>) -> Self {
22		value.cursor
23	}
24}
25
26impl<I> From<ParserCheckpoint<I>> for Token {
27	fn from(value: ParserCheckpoint<I>) -> Self {
28		value.cursor.token()
29	}
30}
31
32impl<I> From<ParserCheckpoint<I>> for Kind {
33	fn from(value: ParserCheckpoint<I>) -> Self {
34		value.cursor.token().kind()
35	}
36}
37
38impl<I> ToSpan for ParserCheckpoint<I> {
39	fn to_span(&self) -> Span {
40		self.cursor.span()
41	}
42}
css_parse/parser_checkpoint.rs

css_parse/
parser_checkpoint.rs
