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project: Fine-grained language server management (#23805)

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Closes #ISSUE
https://github.com/zed-industries/zed/pull/23804
Release Notes:

- Improved detection of project roots for use by language servers.
This commit is contained in:
Piotr Osiewicz 2025-01-30 09:35:36 +01:00 • committed by GitHub
parent b62812c49e
commit e662e819fe
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GPG key ID: B5690EEEBB952194
28 changed files with 2227 additions and 936 deletions
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41
crates/language/src/language_registry.rs
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@ -108,6 +108,7 @@ struct LanguageRegistryState {
available_languages: Vec<AvailableLanguage>,
grammars: HashMap<Arc<str>, AvailableGrammar>,
lsp_adapters: HashMap<LanguageName, Vec<Arc<CachedLspAdapter>>>,
all_lsp_adapters: HashMap<LanguageServerName, Arc<CachedLspAdapter>>,
available_lsp_adapters:
HashMap<LanguageServerName, Arc<dyn Fn() -> Arc<CachedLspAdapter> + 'static + Send + Sync>>,
loading_languages: HashMap<LanguageId, Vec<oneshot::Sender<Result<Arc<Language>>>>>,
@ -234,6 +235,7 @@ impl LanguageRegistry {
language_settings: Default::default(),
loading_languages: Default::default(),
lsp_adapters: Default::default(),
all_lsp_adapters: Default::default(),
available_lsp_adapters: HashMap::default(),
subscription: watch::channel(),
theme: Default::default(),
@ -356,12 +358,16 @@ impl LanguageRegistry {
adapter: Arc<dyn LspAdapter>,
) -> Arc<CachedLspAdapter> {
let cached = CachedLspAdapter::new(adapter);
self.state
.write()
let mut state = self.state.write();
state
.lsp_adapters
.entry(language_name)
.or_default()
.push(cached.clone());
state
.all_lsp_adapters
.insert(cached.name.clone(), cached.clone());
cached
}
@ -401,12 +407,17 @@ impl LanguageRegistry {
let adapter_name = LanguageServerName(adapter.name.into());
let capabilities = adapter.capabilities.clone();
let initializer = adapter.initializer.take();
self.state
.write()
.lsp_adapters
.entry(language_name.clone())
.or_default()
.push(CachedLspAdapter::new(Arc::new(adapter)));
let adapter = CachedLspAdapter::new(Arc::new(adapter));
{
let mut state = self.state.write();
state
.lsp_adapters
.entry(language_name.clone())
.or_default()
.push(adapter.clone());
state.all_lsp_adapters.insert(adapter.name(), adapter);
}
self.register_fake_language_server(adapter_name, capabilities, initializer)
}
@ -419,12 +430,16 @@ impl LanguageRegistry {
adapter: crate::FakeLspAdapter,
) {
let language_name = language_name.into();
self.state
.write()
let mut state = self.state.write();
let cached_adapter = CachedLspAdapter::new(Arc::new(adapter));
state
.lsp_adapters
.entry(language_name.clone())
.or_default()
.push(CachedLspAdapter::new(Arc::new(adapter)));
.push(cached_adapter.clone());
state
.all_lsp_adapters
.insert(cached_adapter.name(), cached_adapter);
}
/// Register a fake language server (without the adapter)
@ -892,6 +907,10 @@ impl LanguageRegistry {
.unwrap_or_default()
}
pub fn adapter_for_name(&self, name: &LanguageServerName) -> Option<Arc<CachedLspAdapter>> {
self.state.read().all_lsp_adapters.get(name).cloned()
}
pub fn update_lsp_status(
&self,
server_name: LanguageServerName,