oak_lua/lsp/
mod.rs

1#![doc = include_str!("readme.md")]
2#[cfg(feature = "oak-highlight")]
3pub mod highlighter;
4
5use crate::language::LuaLanguage;
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/// Hover provider implementation for Lua.
16#[cfg(feature = "lsp")]
17pub struct LuaHoverProvider;
18#[cfg(feature = "lsp")]
19impl HoverProvider<LuaLanguage> for LuaHoverProvider {
20    fn hover(&self, node: &RedNode<LuaLanguage>, _range: Range<usize>) -> Option<Hover> {
21        let kind = node.green.kind;
22        // Provide context-aware hover information
23        // This is a simplified example
24        let contents = match format!("{:?}", kind).as_str() {
25            "Function" => "### Lua Function\nA block of code that performs a specific task.",
26            "LocalDeclaration" => "### Local Variable\nA variable with local scope.",
27            _ => return None,
28        };
29        Some(Hover { contents: contents.to_string(), range: Some(node.span()) })
30    }
31}
32/// Language service implementation for Lua.
33#[cfg(feature = "lsp")]
34pub struct LuaLanguageService<V: Vfs> {
35    vfs: V,
36    workspace: oak_lsp::workspace::WorkspaceManager,
37    hover_provider: LuaHoverProvider,
38}
39#[cfg(feature = "lsp")]
40impl<V: Vfs> LuaLanguageService<V> {
41    /// Creates a new `LuaLanguageService`.
42    pub fn new(vfs: V) -> Self {
43        Self { vfs, workspace: oak_lsp::workspace::WorkspaceManager::default(), hover_provider: LuaHoverProvider }
44    }
45}
46#[cfg(feature = "lsp")]
47impl<V: Vfs + Send + Sync + 'static + oak_vfs::WritableVfs> LanguageService for LuaLanguageService<V> {
48    type Lang = LuaLanguage;
49    type Vfs = V;
50    fn vfs(&self) -> &Self::Vfs {
51        &self.vfs
52    }
53    fn workspace(&self) -> &oak_lsp::workspace::WorkspaceManager {
54        &self.workspace
55    }
56    fn get_root(&self, uri: &str) -> impl Future<Output = Option<RedNode<'_, LuaLanguage>>> + Send + '_ {
57        let source = self.vfs().get_source(uri);
58        async move {
59            let source = source?;
60            let language = LuaLanguage::default();
61            let parser = crate::parser::LuaParser::new(&language);
62            let lexer = crate::lexer::LuaLexer::new(&language);
63            let mut cache = oak_core::parser::session::ParseSession::<LuaLanguage>::default();
64            let _output = oak_core::parser::parse(&parser, &lexer, &source, &[], &mut cache);
65            None
66        }
67    }
68    fn hover(&self, uri: &str, range: Range<usize>) -> impl Future<Output = Option<oak_lsp::Hover>> + Send + '_ {
69        let uri = uri.to_string();
70        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() }
71    }
72}
oak_lua/lsp/mod.rs

oak_lua/lsp/
mod.rs
