1use crate::JasmLanguage;
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 JasmHoverProvider;
10
11impl HoverProvider<JasmLanguage> for JasmHoverProvider {
12 fn hover(&self, node: &RedNode<JasmLanguage>, _range: Range<usize>) -> Option<Hover> {
13 let kind = node.green.kind;
14 let contents = format!("### JASM Node\nKind: {:?}", kind);
15 Some(Hover { contents, range: Some(node.span()) })
16 }
17}
18
19pub struct JasmLanguageService<V: Vfs> {
20 vfs: V,
21 workspace: oak_lsp::workspace::WorkspaceManager,
22 hover_provider: JasmHoverProvider,
23}
24
25impl<V: Vfs> JasmLanguageService<V> {
26 pub fn new(vfs: V) -> Self {
27 Self { vfs, workspace: oak_lsp::workspace::WorkspaceManager::default(), hover_provider: JasmHoverProvider }
28 }
29}
30
31impl<V: Vfs + Send + Sync + 'static + oak_vfs::WritableVfs> LanguageService for JasmLanguageService<V> {
32 type Lang = JasmLanguage;
33 type Vfs = V;
34
35 fn vfs(&self) -> &Self::Vfs {
36 &self.vfs
37 }
38
39 fn workspace(&self) -> &oak_lsp::workspace::WorkspaceManager {
40 &self.workspace
41 }
42
43 fn get_root(&self, uri: &str) -> impl Future<Output = Option<RedNode<'_, JasmLanguage>>> + Send + '_ {
44 let source = self.vfs().get_source(uri);
45 async move {
46 let _source = source?;
47 None
48 }
49 }
50
51 fn hover(&self, uri: &str, range: Range<usize>) -> impl Future<Output = Option<oak_lsp::Hover>> + Send + '_ {
52 let uri = uri.to_string();
53 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() }
54 }
55}