reovim_lang_rust/
lib.rs

1//! Rust language support for reovim
2
3use std::{any::TypeId, sync::Arc};
4
5use {
6    reovim_core::{
7        event_bus::EventBus,
8        plugin::{Plugin, PluginContext, PluginId, PluginStateRegistry},
9    },
10    reovim_plugin_treesitter::{LanguageSupport, RegisterLanguage, TreesitterPlugin},
11};
12
13/// Rust language support
14pub struct RustLanguage;
15
16impl LanguageSupport for RustLanguage {
17    fn language_id(&self) -> &'static str {
18        "rust"
19    }
20
21    fn file_extensions(&self) -> &'static [&'static str] {
22        &["rs"]
23    }
24
25    fn tree_sitter_language(&self) -> reovim_plugin_treesitter::Language {
26        tree_sitter_rust::LANGUAGE.into()
27    }
28
29    fn highlights_query(&self) -> &'static str {
30        include_str!("queries/highlights.scm")
31    }
32
33    fn folds_query(&self) -> Option<&'static str> {
34        Some(include_str!("queries/folds.scm"))
35    }
36
37    fn textobjects_query(&self) -> Option<&'static str> {
38        Some(include_str!("queries/textobjects.scm"))
39    }
40
41    fn injections_query(&self) -> Option<&'static str> {
42        Some(include_str!("queries/injections.scm"))
43    }
44
45    fn context_query(&self) -> Option<&'static str> {
46        Some(include_str!("queries/context.scm"))
47    }
48}
49
50/// Rust language plugin
51pub struct RustPlugin;
52
53impl Plugin for RustPlugin {
54    fn id(&self) -> PluginId {
55        PluginId::new("reovim:lang-rust")
56    }
57
58    fn name(&self) -> &'static str {
59        "Rust Language"
60    }
61
62    fn description(&self) -> &'static str {
63        "Rust language support with syntax highlighting and semantic analysis"
64    }
65
66    fn dependencies(&self) -> Vec<TypeId> {
67        vec![TypeId::of::<TreesitterPlugin>()]
68    }
69
70    fn build(&self, _ctx: &mut PluginContext) {
71        // No commands to register
72    }
73
74    fn subscribe(&self, bus: &EventBus, _state: Arc<PluginStateRegistry>) {
75        // Register this language with treesitter
76        bus.emit(RegisterLanguage {
77            language: Arc::new(RustLanguage),
78        });
79    }
80}
81
82#[cfg(test)]
83mod tests {
84    use {super::*, reovim_plugin_treesitter::LanguageSupport};
85
86    #[test]
87    fn test_highlights_query_compiles() {
88        let lang = RustLanguage;
89        let ts_lang = lang.tree_sitter_language();
90        let query_src = lang.highlights_query();
91
92        let query = tree_sitter::Query::new(&ts_lang, query_src);
93        assert!(query.is_ok(), "Rust highlights query should compile: {:?}", query.err());
94
95        let q = query.unwrap();
96        println!("Capture count: {}", q.capture_names().len());
97        println!("Pattern count: {}", q.pattern_count());
98
99        // Print all captures
100        for name in q.capture_names() {
101            println!("Capture: {}", name);
102        }
103    }
104}
reovim_lang_rust/lib.rs

reovim_lang_rust/
lib.rs
