oak_typescript/builder/
mod.rs

1use crate::{ast::*, language::TypeScriptLanguage, lexer::TypeScriptLexer, parser::TypeScriptParser};
2use oak_core::{Builder, BuilderCache, GreenNode, Lexer, OakDiagnostics, OakError, Parser, RedNode, SourceText, TextEdit, source::Source};
3
4/// TypeScript 语言的 AST 构建器
5#[derive(Clone)]
6pub struct TypeScriptBuilder<'config> {
7    config: &'config TypeScriptLanguage,
8}
9
10impl<'config> TypeScriptBuilder<'config> {
11    pub fn new(config: &'config TypeScriptLanguage) -> Self {
12        Self { config }
13    }
14}
15
16impl<'config> Builder<TypeScriptLanguage> for TypeScriptBuilder<'config> {
17    fn build<'a, S: Source + ?Sized>(&self, source: &'a S, edits: &[TextEdit], _cache: &'a mut impl BuilderCache<TypeScriptLanguage>) -> OakDiagnostics<TypeScriptRoot> {
18        let parser = TypeScriptParser::new(self.config);
19        let lexer = TypeScriptLexer::new(self.config);
20
21        let mut session = oak_core::parser::session::ParseSession::<TypeScriptLanguage>::default();
22        lexer.lex(source, edits, &mut session);
23        let parse_result = parser.parse(source, edits, &mut session);
24
25        match parse_result.result {
26            Ok(green_tree) => {
27                let source_text = SourceText::new(source.get_text_in((0..source.length()).into()));
28                match self.build_root(green_tree, &source_text) {
29                    Ok(ast_root) => OakDiagnostics { result: Ok(ast_root), diagnostics: parse_result.diagnostics },
30                    Err(build_error) => {
31                        let mut diagnostics = parse_result.diagnostics;
32                        diagnostics.push(build_error.clone());
33                        OakDiagnostics { result: Err(build_error), diagnostics }
34                    }
35                }
36            }
37            Err(parse_error) => OakDiagnostics { result: Err(parse_error), diagnostics: parse_result.diagnostics },
38        }
39    }
40}
41
42impl<'config> TypeScriptBuilder<'config> {
43    pub(crate) fn build_root(&self, green_tree: &GreenNode<TypeScriptLanguage>, _source: &SourceText) -> Result<TypeScriptRoot, OakError> {
44        let red_root = RedNode::new(green_tree, 0);
45        let span = red_root.span();
46        Ok(TypeScriptRoot { span: span.into() })
47    }
48}
oak_typescript/builder/mod.rs

oak_typescript/builder/
mod.rs
