oak_hlsl/
lsp.rs

1use crate::{HlslLanguage, kind::HlslSyntaxKind};
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
9/// Hover provider implementation for HLSL.
10pub struct HlslHoverProvider;
11
12impl HoverProvider<HlslLanguage> for HlslHoverProvider {
13    fn hover(&self, node: &RedNode<HlslLanguage>, _range: Range<usize>) -> Option<Hover> {
14        let kind = node.green.kind;
15
16        // Provide context-aware hover information
17        let contents = match kind {
18            HlslSyntaxKind::Struct => "### HLSL Struct\nDefines a custom data structure.",
19            HlslSyntaxKind::Cbuffer => "### HLSL Constant Buffer\nDefines a buffer for shader constants.",
20            HlslSyntaxKind::Technique => "### HLSL Technique\nDefines a rendering technique.",
21            HlslSyntaxKind::Pass => "### HLSL Pass\nDefines a rendering pass within a technique.",
22            _ => return None,
23        };
24
25        Some(Hover { contents: contents.to_string(), range: Some(node.span()) })
26    }
27}
28
29/// Language service implementation for HLSL.
30pub struct HlslLanguageService<V: Vfs> {
31    vfs: V,
32    workspace: oak_lsp::workspace::WorkspaceManager,
33    hover_provider: HlslHoverProvider,
34}
35
36impl<V: Vfs> HlslLanguageService<V> {
37    pub fn new(vfs: V) -> Self {
38        Self { vfs, workspace: oak_lsp::workspace::WorkspaceManager::default(), hover_provider: HlslHoverProvider }
39    }
40}
41
42impl<V: Vfs + Send + Sync + 'static + oak_vfs::WritableVfs> LanguageService for HlslLanguageService<V> {
43    type Lang = HlslLanguage;
44    type Vfs = V;
45
46    fn vfs(&self) -> &Self::Vfs {
47        &self.vfs
48    }
49
50    fn workspace(&self) -> &oak_lsp::workspace::WorkspaceManager {
51        &self.workspace
52    }
53
54    fn get_root(&self, uri: &str) -> impl Future<Output = Option<RedNode<'_, HlslLanguage>>> + Send + '_ {
55        let _uri = uri.to_string();
56        async move {
57            // Placeholder implementation
58            None
59        }
60    }
61
62    fn hover(&self, uri: &str, range: Range<usize>) -> impl Future<Output = Option<oak_lsp::Hover>> + Send + '_ {
63        let uri = uri.to_string();
64        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() }
65    }
66}
oak_hlsl/lsp.rs

oak_hlsl/
lsp.rs
