1use crate::SchemeLanguage;
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 SchemeHoverProvider;
11
12impl HoverProvider<SchemeLanguage> for SchemeHoverProvider {
13 fn hover(&self, node: &RedNode<SchemeLanguage>, _range: Range<usize>) -> Option<Hover> {
14 let _kind = node.green.kind;
15 None
17 }
18}
19
20pub struct SchemeLanguageService<V: Vfs> {
22 vfs: V,
23 workspace: oak_lsp::workspace::WorkspaceManager,
24 hover_provider: SchemeHoverProvider,
25}
26
27impl<V: Vfs> SchemeLanguageService<V> {
28 pub fn new(vfs: V) -> Self {
30 Self { vfs, workspace: oak_lsp::workspace::WorkspaceManager::default(), hover_provider: SchemeHoverProvider }
31 }
32}
33
34impl<V: Vfs + Send + Sync + 'static + oak_vfs::WritableVfs> LanguageService for SchemeLanguageService<V> {
35 type Lang = SchemeLanguage;
36 type Vfs = V;
37
38 fn vfs(&self) -> &Self::Vfs {
39 &self.vfs
40 }
41
42 fn workspace(&self) -> &oak_lsp::workspace::WorkspaceManager {
43 &self.workspace
44 }
45
46 fn get_root(&self, uri: &str) -> impl Future<Output = Option<RedNode<'_, SchemeLanguage>>> + Send + '_ {
47 let _source = self.vfs().get_source(uri);
48 async move {
49 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}