oak_scala/parser/
mod.rs

1use crate::{kind::ScalaSyntaxKind, language::ScalaLanguage, lexer::ScalaLexer};
2use oak_core::{
3    GreenNode, OakError, TextEdit,
4    parser::{ParseCache, ParseOutput, Parser, ParserState, parse_with_lexer},
5    source::Source,
6};
7
8pub(crate) type State<'a, S> = ParserState<'a, ScalaLanguage, S>;
9
10pub struct ScalaParser<'config> {
11    pub(crate) config: &'config ScalaLanguage,
12}
13
14impl<'config> ScalaParser<'config> {
15    pub fn new(config: &'config ScalaLanguage) -> Self {
16        Self { config }
17    }
18
19    pub(crate) fn parse_root_internal<'a, S: Source + ?Sized>(&self, state: &mut State<'a, S>) -> Result<&'a GreenNode<'a, ScalaLanguage>, OakError> {
20        let checkpoint = state.checkpoint();
21
22        while state.not_at_end() {
23            state.advance();
24        }
25
26        Ok(state.finish_at(checkpoint, ScalaSyntaxKind::SourceFile.into()))
27    }
28}
29
30impl<'config> Parser<ScalaLanguage> for ScalaParser<'config> {
31    fn parse<'a, S: Source + ?Sized>(&self, text: &'a S, edits: &[TextEdit], cache: &'a mut impl ParseCache<ScalaLanguage>) -> ParseOutput<'a, ScalaLanguage> {
32        let lexer = ScalaLexer::new(&self.config);
33        parse_with_lexer(&lexer, text, edits, cache, |state| self.parse_root_internal(state))
34    }
35}
oak_scala/parser/mod.rs

oak_scala/parser/
mod.rs
