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oak_pascal/parser/
mod.rs

1/// Element type definitions for Pascal.
2pub mod element_type;
3
4use crate::{language::PascalLanguage, lexer::PascalLexer, parser::element_type::PascalElementType};
5use oak_core::{
6    TextEdit,
7    parser::{ParseCache, Parser, ParserState},
8    source::Source,
9};
10
11pub(crate) type State<'a, S> = ParserState<'a, PascalLanguage, S>;
12
13/// A parser for Pascal source files.
14pub struct PascalParser;
15
16impl PascalParser {
17    /// Creates a new Pascal parser.
18    pub fn new(_config: &PascalLanguage) -> Self {
19        Self
20    }
21}
22
23impl Parser<PascalLanguage> for PascalParser {
24    fn parse<'a, S: Source + ?Sized>(&self, text: &'a S, edits: &[TextEdit], cache: &'a mut impl ParseCache<PascalLanguage>) -> oak_core::ParseOutput<'a, PascalLanguage> {
25        let language = PascalLanguage::default();
26        let lexer = PascalLexer::new(&language);
27        oak_core::parser::parse_with_lexer(&lexer, text, edits, cache, |state| {
28            let checkpoint = state.checkpoint();
29            while state.not_at_end() {
30                state.bump();
31            }
32            Ok(state.finish_at(checkpoint, PascalElementType::Root))
33        })
34    }
35}