oak_vala/builder/
mod.rs

1use crate::{ast::*, language::ValaLanguage, lexer::ValaLexer, parser::ValaParser};
2use oak_core::{Builder, BuilderCache, GreenNode, Lexer, OakDiagnostics, OakError, Parser, RedNode, SourceText, TextEdit, source::Source};
3
4/// Vala 语言的 AST 构建器
5pub struct ValaBuilder<'config> {
6    config: &'config ValaLanguage,
7}
8
9impl<'config> ValaBuilder<'config> {
10    pub fn new(config: &'config ValaLanguage) -> Self {
11        Self { config }
12    }
13}
14
15impl<'config> Builder<ValaLanguage> for ValaBuilder<'config> {
16    fn build<'a, S: Source + ?Sized>(&self, text: &S, edits: &[TextEdit], cache: &'a mut impl BuilderCache<ValaLanguage>) -> oak_core::builder::BuildOutput<ValaLanguage> {
17        let parser = ValaParser::new(self.config);
18        let lexer = ValaLexer::new(&self.config);
19
20        lexer.lex(text, edits, cache);
21        let parse_result = parser.parse(text, edits, cache);
22
23        match parse_result.result {
24            Ok(green_tree) => {
25                let source_text = SourceText::new(text.get_text_in((0..text.length()).into()).into_owned());
26                match self.build_root(green_tree.clone(), &source_text) {
27                    Ok(ast_root) => OakDiagnostics { result: Ok(ast_root), diagnostics: parse_result.diagnostics },
28                    Err(build_error) => {
29                        let mut diagnostics = parse_result.diagnostics;
30                        diagnostics.push(build_error.clone());
31                        OakDiagnostics { result: Err(build_error), diagnostics }
32                    }
33                }
34            }
35            Err(parse_error) => OakDiagnostics { result: Err(parse_error), diagnostics: parse_result.diagnostics },
36        }
37    }
38}
39
40impl<'config> ValaBuilder<'config> {
41    pub(crate) fn build_root(&self, green_tree: GreenNode<ValaLanguage>, _source: &SourceText) -> Result<ValaRoot, OakError> {
42        let red_root = RedNode::new(&green_tree, 0);
43        let span = red_root.span();
44        Ok(ValaRoot { span: span.into(), items: Vec::new() })
45    }
46}
oak_vala/builder/mod.rs

oak_vala/builder/
mod.rs
