oak_typescript/builder/
mod.rs

1use crate::{ast::*, language::TypeScriptLanguage, lexer::TypeScriptLexer, parser::TypeScriptParser};
2use oak_core::{Builder, BuilderCache, Lexer, OakDiagnostics, Parser, SourceText, TextEdit, source::Source};
3
4mod build_class;
5mod build_expression;
6mod build_jsx;
7mod build_misc;
8mod build_root;
9mod build_statement;
10mod build_type;
11
12/// AST builder for the TypeScript language.
13#[derive(Clone)]
14pub struct TypeScriptBuilder<'config> {
15    config: &'config TypeScriptLanguage,
16    /// Whether to erase types and generate a pure JS AST.
17    pub erase_types: bool,
18}
19
20impl<'config> TypeScriptBuilder<'config> {
21    /// Creates a new `TypeScriptBuilder`.
22    pub fn new(config: &'config TypeScriptLanguage) -> Self {
23        Self { config, erase_types: false }
24    }
25
26    /// Sets whether to erase types.
27    pub fn with_type_erasure(mut self, erase_types: bool) -> Self {
28        self.erase_types = erase_types;
29        self
30    }
31}
32
33impl<'config> Builder<TypeScriptLanguage> for TypeScriptBuilder<'config> {
34    fn build<'a, S: Source + ?Sized>(&self, source: &'a S, edits: &[TextEdit], _cache: &'a mut impl BuilderCache<TypeScriptLanguage>) -> OakDiagnostics<TypeScriptRoot> {
35        let parser = TypeScriptParser::new(self.config);
36        let lexer = TypeScriptLexer::new(&self.config);
37
38        let mut session = oak_core::parser::session::ParseSession::<TypeScriptLanguage>::default();
39        lexer.lex(source, edits, &mut session);
40        let parse_result = parser.parse(source, edits, &mut session);
41
42        match parse_result.result {
43            Ok(green_tree) => {
44                let source_text = SourceText::new(source.get_text_in((0..source.length()).into()).into_owned());
45                match self.build_root(green_tree, &source_text) {
46                    Ok(ast_root) => OakDiagnostics { result: Ok(ast_root), diagnostics: parse_result.diagnostics },
47                    Err(build_error) => {
48                        let mut diagnostics = parse_result.diagnostics;
49                        diagnostics.push(build_error.clone());
50                        OakDiagnostics { result: Err(build_error), diagnostics }
51                    }
52                }
53            }
54            Err(parse_error) => OakDiagnostics { result: Err(parse_error), diagnostics: parse_result.diagnostics },
55        }
56    }
57}
oak_typescript/builder/mod.rs

oak_typescript/builder/
mod.rs
