1use crate::{ast::LeanRoot, language::LeanLanguage};
2use oak_core::{Builder, BuilderCache, GreenNode, OakDiagnostics, Parser, RedNode, TextEdit, source::Source};
3
4pub struct LeanBuilder<'config> {
5 config: &'config LeanLanguage,
6}
7
8impl<'config> LeanBuilder<'config> {
9 pub fn new(config: &'config LeanLanguage) -> Self {
10 Self { config }
11 }
12}
13
14impl<'config> Builder<LeanLanguage> for LeanBuilder<'config> {
15 fn build<'a, S: Source + ?Sized>(&self, source: &'a S, edits: &[TextEdit], cache: &'a mut impl BuilderCache<LeanLanguage>) -> OakDiagnostics<LeanRoot> {
16 let parser = crate::parser::LeanParser::new(self.config);
17 let parse_result = parser.parse(source, edits, cache);
18
19 match parse_result.result {
20 Ok(green_tree) => {
21 let ast_root = self.build_root(green_tree);
22 OakDiagnostics { result: Ok(ast_root), diagnostics: parse_result.diagnostics }
23 }
24 Err(parse_error) => OakDiagnostics { result: Err(parse_error), diagnostics: parse_result.diagnostics },
25 }
26 }
27}
28
29impl<'config> LeanBuilder<'config> {
30 pub(crate) fn build_root<'a>(&self, green_tree: &'a GreenNode<'a, LeanLanguage>) -> LeanRoot {
31 LeanRoot::new(RedNode::new(green_tree, 0).span())
32 }
33}