oak_sql/
lsp.rs

1use crate::language::SqlLanguage;
2use core::range::Range;
3use futures::Future;
4use oak_core::tree::RedNode;
5use oak_hover::{Hover, HoverProvider};
6use oak_lsp::service::LanguageService;
7use oak_vfs::Vfs;
8
9pub struct SqlHoverProvider;
10
11impl HoverProvider<SqlLanguage> for SqlHoverProvider {
12    fn hover(&self, node: &RedNode<SqlLanguage>, _range: Range<usize>) -> Option<Hover> {
13        let _kind = node.green.kind;
14        None
15    }
16}
17
18pub struct SqlLanguageService<V: Vfs> {
19    vfs: V,
20    workspace: oak_lsp::workspace::WorkspaceManager,
21    hover_provider: SqlHoverProvider,
22}
23
24impl<V: Vfs> SqlLanguageService<V> {
25    pub fn new(vfs: V) -> Self {
26        Self { vfs, workspace: oak_lsp::workspace::WorkspaceManager::default(), hover_provider: SqlHoverProvider }
27    }
28}
29
30impl<V: Vfs + Send + Sync + 'static + oak_vfs::WritableVfs> LanguageService for SqlLanguageService<V> {
31    type Lang = SqlLanguage;
32    type Vfs = V;
33
34    fn vfs(&self) -> &Self::Vfs {
35        &self.vfs
36    }
37    fn workspace(&self) -> &oak_lsp::workspace::WorkspaceManager {
38        &self.workspace
39    }
40
41    fn get_root(&self, uri: &str) -> impl Future<Output = Option<RedNode<'_, SqlLanguage>>> + Send + '_ {
42        let source = self.vfs().get_source(uri);
43        async move {
44            let source = source?;
45            let language = SqlLanguage::default();
46            let parser = crate::parser::SqlParser::new(&language);
47            let lexer = crate::lexer::SqlLexer::new(&language);
48            let mut cache = oak_core::parser::session::ParseSession::<SqlLanguage>::default();
49            let _output = oak_core::parser::parse(&parser, &lexer, &source, &[], &mut cache);
50            None
51        }
52    }
53
54    fn hover(&self, uri: &str, range: Range<usize>) -> impl Future<Output = Option<oak_lsp::Hover>> + Send + '_ {
55        let uri = uri.to_string();
56        async move { self.with_root(&uri, |root| self.hover_provider.hover(&root, range).map(|h| oak_lsp::Hover { contents: h.contents, range: h.range })).await.flatten() }
57    }
58}
oak_sql/lsp.rs

oak_sql/
lsp.rs
