#![doc = include_str!("readme.md")]
use crate::language::DLanguage;
use oak_core::{Builder, BuilderCache, GreenNode, OakError, Parser, RedNode, SourceText, TextEdit, source::Source};
#[derive(Clone)]
pub struct DBuilder<'config> {
config: &'config DLanguage,
}
impl<'config> DBuilder<'config> {
pub fn new(config: &'config DLanguage) -> Self {
Self { config }
}
fn build_root(&self, green_tree: &GreenNode<DLanguage>, _source: &SourceText) -> Result<crate::ast::DRoot, OakError> {
let _red_root = RedNode::new(green_tree, 0);
Ok(crate::ast::DRoot { items: Vec::new() })
}
}
impl<'config> Builder<DLanguage> for DBuilder<'config> {
fn build<'a, S: Source + ?Sized>(&self, source: &'a S, edits: &[TextEdit], _cache: &'a mut impl BuilderCache<DLanguage>) -> oak_core::builder::BuildOutput<DLanguage> {
let parser = crate::parser::DParser::new(self.config);
let mut parse_cache = oak_core::parser::session::ParseSession::<DLanguage>::default();
let parse_result = parser.parse(source, edits, &mut parse_cache);
match parse_result.result {
Ok(green_tree) => {
let source_text = SourceText::new(source.get_text_in((0..source.length()).into()).into_owned());
match self.build_root(green_tree, &source_text) {
Ok(ast_root) => oak_core::builder::BuildOutput::<DLanguage> { result: Ok(ast_root), diagnostics: parse_result.diagnostics },
Err(build_error) => {
let mut diagnostics = parse_result.diagnostics;
diagnostics.push(build_error.clone());
oak_core::builder::BuildOutput::<DLanguage> { result: Err(build_error), diagnostics }
}
}
}
Err(parse_error) => oak_core::builder::BuildOutput::<DLanguage> { result: Err(parse_error), diagnostics: parse_result.diagnostics },
}
}
}