oak_go/builder/
mod.rs

1//! Go 语言构建器
2
3use crate::{ast::GoRoot, language::GoLanguage, lexer::GoLexer, parser::GoParser};
4use oak_core::{Builder, BuilderCache, GreenNode, Lexer, OakDiagnostics, OakError, ParseSession, Parser, SourceText, TextEdit, builder::BuildOutput, source::Source};
5
6/// Go 语言构建器
7pub struct GoBuilder<'config> {
8    pub(crate) config: &'config GoLanguage,
9}
10
11impl<'config> GoBuilder<'config> {
12    pub fn new(config: &'config GoLanguage) -> Self {
13        Self { config }
14    }
15
16    fn build_root<'a>(&self, _green: &'a GreenNode<'a, GoLanguage>, _source: &SourceText) -> Result<GoRoot, OakError> {
17        // TODO: 从 GreenNode 构建 AST
18        Ok(GoRoot { package: None, imports: vec![], declarations: vec![] })
19    }
20}
21
22impl<'config> Builder<GoLanguage> for GoBuilder<'config> {
23    fn build<'a, S: Source + ?Sized>(&self, source: &S, edits: &[TextEdit], _cache: &'a mut impl BuilderCache<GoLanguage>) -> BuildOutput<GoLanguage> {
24        let parser = GoParser::new(self.config);
25        let lexer = GoLexer::new(self.config);
26
27        let mut session = ParseSession::<GoLanguage>::default();
28        lexer.lex(source, edits, &mut session);
29        let parse_result = parser.parse(source, edits, &mut session);
30
31        match parse_result.result {
32            Ok(green_tree) => {
33                let source_text = SourceText::new(source.get_text_in((0..source.length()).into()).into_owned());
34                match self.build_root(green_tree, &source_text) {
35                    Ok(ast_root) => OakDiagnostics { result: Ok(ast_root), diagnostics: parse_result.diagnostics },
36                    Err(build_error) => {
37                        let mut diagnostics = parse_result.diagnostics;
38                        diagnostics.push(build_error.clone());
39                        OakDiagnostics { result: Err(build_error), diagnostics }
40                    }
41                }
42            }
43            Err(parse_error) => OakDiagnostics { result: Err(parse_error), diagnostics: parse_result.diagnostics },
44        }
45    }
46}
oak_go/builder/mod.rs

oak_go/builder/
mod.rs
