1use crate::{ast::*, language::ValaLanguage, parser::ValaParser};
2use oak_core::{Builder, BuilderCache, GreenNode, OakDiagnostics, Parser, SourceText, TextEdit, source::Source};
3
4pub struct ValaBuilder<'config> {
6 config: &'config ValaLanguage,
7}
8
9impl<'config> ValaBuilder<'config> {
10 pub fn new(config: &'config ValaLanguage) -> Self {
12 Self { config }
13 }
14}
15
16impl<'config> Builder<ValaLanguage> for ValaBuilder<'config> {
17 fn build<'a, S: Source + ?Sized>(&self, source: &'a S, edits: &[TextEdit], _cache: &'a mut impl BuilderCache<ValaLanguage>) -> oak_core::builder::BuildOutput<ValaLanguage> {
18 let parser = ValaParser::new(self.config);
19 let mut cache = oak_core::parser::ParseSession::<ValaLanguage>::default();
20 let parse_result = parser.parse(source, edits, &mut cache);
21
22 match parse_result.result {
23 Ok(green_tree) => {
24 let source_text = SourceText::new(source.get_text_in((0..source.length()).into()).into_owned());
25 match self.build_root(&green_tree, &source_text) {
26 Ok(ast_root) => OakDiagnostics { result: Ok(ast_root), diagnostics: parse_result.diagnostics },
27 Err(build_error) => {
28 let mut diagnostics = parse_result.diagnostics;
29 diagnostics.push(build_error.clone());
30 OakDiagnostics { result: Err(build_error), diagnostics }
31 }
32 }
33 }
34 Err(parse_error) => OakDiagnostics { result: Err(parse_error), diagnostics: parse_result.diagnostics },
35 }
36 }
37}
38
39impl<'config> ValaBuilder<'config> {
40 pub fn build_root(&self, _green: &GreenNode<ValaLanguage>, _source: &SourceText) -> Result<ValaRoot, oak_core::OakError> {
42 Ok(ValaRoot { span: (0.._source.len()).into(), items: vec![] })
44 }
45}