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oak_jasm/lsp/
mod.rs

1#![doc = include_str!("readme.md")]
2#[cfg(feature = "oak-highlight")]
3pub mod highlighter;
4
5use crate::JasmLanguage;
6use core::range::Range;
7use oak_core::tree::RedNode;
8#[cfg(feature = "lsp")]
9use {
10    futures::Future,
11    oak_hover::{Hover, HoverProvider},
12    oak_lsp::service::LanguageService,
13    oak_vfs::Vfs,
14};
15#[cfg(feature = "lsp")]
16pub struct JasmHoverProvider;
17#[cfg(feature = "lsp")]
18impl HoverProvider<JasmLanguage> for JasmHoverProvider {
19    fn hover(&self, node: &RedNode<JasmLanguage>, _range: Range<usize>) -> Option<Hover> {
20        let kind = node.green.kind;
21        let contents = format!("### JASM Node\nKind: {:?}", kind);
22        Some(Hover { contents, range: Some(node.span()) })
23    }
24}
25#[cfg(feature = "lsp")]
26pub struct JasmLanguageService<V: Vfs> {
27    vfs: V,
28    workspace: oak_lsp::workspace::WorkspaceManager,
29    hover_provider: JasmHoverProvider,
30}
31#[cfg(feature = "lsp")]
32impl<V: Vfs> JasmLanguageService<V> {
33    pub fn new(vfs: V) -> Self {
34        Self { vfs, workspace: oak_lsp::workspace::WorkspaceManager::default(), hover_provider: JasmHoverProvider }
35    }
36}
37#[cfg(feature = "lsp")]
38impl<V: Vfs + Send + Sync + 'static + oak_vfs::WritableVfs> LanguageService for JasmLanguageService<V> {
39    type Lang = JasmLanguage;
40    type Vfs = V;
41    fn vfs(&self) -> &Self::Vfs {
42        &self.vfs
43    }
44    fn workspace(&self) -> &oak_lsp::workspace::WorkspaceManager {
45        &self.workspace
46    }
47    fn get_root(&self, uri: &str) -> impl Future<Output = Option<RedNode<'_, JasmLanguage>>> + Send + '_ {
48        let source = self.vfs().get_source(uri);
49        async move {
50            let _source = source?;
51            None
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}