oak_regex/lsp/
mod.rs

1#![doc = include_str!("readme.md")]
2#[cfg(feature = "oak-highlight")]
3/// Highlighter for regular expressions.
4pub mod highlighter;
5
6#[cfg(feature = "lsp")]
7use {
8    futures::Future,
9    oak_hover::{Hover, HoverProvider},
10    oak_lsp::service::LanguageService,
11    oak_vfs::Vfs,
12};
13#[cfg(feature = "oak-pretty-print")]
14/// Formatter for regular expressions.
15pub mod formatter;
16use crate::language::RegexLanguage;
17use core::range::Range;
18use oak_core::tree::RedNode;
19/// Hover provider implementation for regular expressions.
20#[cfg(feature = "lsp")]
21pub struct RegexHoverProvider;
22#[cfg(feature = "lsp")]
23impl HoverProvider<RegexLanguage> for RegexHoverProvider {
24    /// Provides hover information for a regex node.
25    fn hover(&self, _node: &RedNode<'_, RegexLanguage>, _range: Range<usize>) -> Option<Hover> {
26        None
27    }
28}
29/// Language service implementation for regular expressions.
30#[cfg(feature = "lsp")]
31pub struct RegexLanguageService<V: Vfs> {
32    vfs: V,
33    workspace: oak_lsp::workspace::WorkspaceManager,
34    hover_provider: RegexHoverProvider,
35}
36impl<V: Vfs> RegexLanguageService<V> {
37    /// Creates a new `RegexLanguageService` with the given VFS.
38    pub fn new(vfs: V) -> Self {
39        Self { vfs, workspace: oak_lsp::workspace::WorkspaceManager::default(), hover_provider: RegexHoverProvider }
40    }
41}
42impl<V: Vfs + Send + Sync + 'static + oak_vfs::WritableVfs> LanguageService for RegexLanguageService<V> {
43    type Lang = RegexLanguage;
44    type Vfs = V;
45    fn vfs(&self) -> &Self::Vfs {
46        &self.vfs
47    }
48    fn workspace(&self) -> &oak_lsp::workspace::WorkspaceManager {
49        &self.workspace
50    }
51    fn get_root(&self, uri: &str) -> impl Future<Output = Option<RedNode<'_, RegexLanguage>>> + Send + '_ {
52        let source = self.vfs().get_source(uri);
53        async move {
54            let source = source?;
55            let _parser = crate::parser::RegexParser::new();
56            let _lexer = crate::lexer::RegexLexer::new();
57            let _cache = oak_core::parser::session::ParseSession::<RegexLanguage>::default();
58            None
59        }
60    }
61    fn hover(&self, uri: &str, range: Range<usize>) -> impl Future<Output = Option<oak_lsp::Hover>> + Send + '_ {
62        let uri = uri.to_string();
63        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() }
64    }
65    fn completion(&self, _uri: &str, _offset: usize) -> impl Future<Output = Vec<oak_lsp::types::CompletionItem>> + Send + '_ {
66        async move { vec![] }
67    }
68}
oak_regex/lsp/mod.rs

oak_regex/lsp/
mod.rs
