oak_smalltalk/parser/
mod.rs

1pub mod element_type;
2
3use crate::{language::SmalltalkLanguage, lexer::SmalltalkLexer, parser::element_type::SmalltalkElementType};
4use oak_core::{
5    GreenNode, OakError,
6    parser::{ParseCache, ParseOutput, Parser, ParserState, parse_with_lexer},
7    source::{Source, TextEdit},
8};
9
10pub(crate) type State<'a, S> = ParserState<'a, SmalltalkLanguage, S>;
11
12pub struct SmalltalkParser<'config> {
13    pub(crate) _config: &'config SmalltalkLanguage,
14}
15
16impl<'config> SmalltalkParser<'config> {
17    pub fn new(config: &'config SmalltalkLanguage) -> Self {
18        Self { _config: config }
19    }
20
21    pub(crate) fn parse_root_internal<'a, S: Source + ?Sized>(&self, state: &mut State<'a, S>) -> Result<&'a GreenNode<'a, SmalltalkLanguage>, OakError> {
22        let checkpoint = state.checkpoint();
23
24        while state.not_at_end() {
25            state.bump()
26        }
27
28        let root = state.finish_at(checkpoint, crate::parser::element_type::SmalltalkElementType::Root);
29        Ok(root)
30    }
31}
32
33impl<'config> Parser<SmalltalkLanguage> for SmalltalkParser<'config> {
34    fn parse<'a, S: Source + ?Sized>(&self, text: &'a S, edits: &[TextEdit], cache: &'a mut impl ParseCache<SmalltalkLanguage>) -> ParseOutput<'a, SmalltalkLanguage> {
35        let lexer = SmalltalkLexer::new(self._config);
36        parse_with_lexer(&lexer, text, edits, cache, |state| self.parse_root_internal(state))
37    }
38}
oak_smalltalk/parser/mod.rs

oak_smalltalk/parser/
mod.rs
