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oak_rhombus/builder/
mod.rs

1#![doc = include_str!("readme.md")]
2
3use crate::{
4    ast::{Expression, Provide, Require, RhombusRoot},
5    language::RhombusLanguage,
6    parser::RhombusParser,
7};
8use oak_core::{
9    Builder, BuilderCache, Lexer, OakDiagnostics, Parser, TextEdit,
10    source::{Source, SourceText},
11};
12
13/// Builder for the Rhombus language.
14#[derive(Clone)]
15pub struct RhombusBuilder<'config> {
16    config: &'config RhombusLanguage,
17}
18
19impl<'config> RhombusBuilder<'config> {
20    /// Creates a new `RhombusBuilder` with the given configuration.
21    pub fn new(config: &'config RhombusLanguage) -> Self {
22        Self { config }
23    }
24
25    /// Builds a RhombusRoot AST node from a green tree and source text.
26    pub fn build_root(&self, green_tree: &oak_core::GreenNode<RhombusLanguage>, source_text: &oak_core::SourceText) -> Result<crate::ast::RhombusRoot, oak_core::OakError> {
27        Ok(crate::ast::RhombusRoot { expressions: vec![] })
28    }
29}
30
31impl<'config> Builder<RhombusLanguage> for RhombusBuilder<'config> {
32    fn build<'a, S: Source + ?Sized>(&self, source: &S, edits: &[TextEdit], _cache: &'a mut impl BuilderCache<RhombusLanguage>) -> OakDiagnostics<RhombusRoot> {
33        let parser = RhombusParser::new(self.config);
34        let lexer = crate::lexer::RhombusLexer::new(&self.config);
35
36        let mut parse_cache = oak_core::parser::session::ParseSession::<RhombusLanguage>::default();
37        lexer.lex(source, edits, &mut parse_cache);
38        let parse_result = parser.parse(source, edits, &mut parse_cache);
39
40        match parse_result.result {
41            Ok(green_tree) => {
42                let source_text = SourceText::new(source.get_text_in((0..source.length()).into()).into_owned());
43                match self.build_root(&green_tree, &source_text) {
44                    Ok(ast_root) => OakDiagnostics { result: Ok(ast_root), diagnostics: parse_result.diagnostics },
45                    Err(build_error) => {
46                        let mut diagnostics = parse_result.diagnostics;
47                        diagnostics.push(build_error.clone());
48                        OakDiagnostics { result: Err(build_error), diagnostics }
49                    }
50                }
51            }
52            Err(e) => OakDiagnostics { result: Err(e), diagnostics: parse_result.diagnostics },
53        }
54    }
55}