Don't name ExtensionLspAdapter in ExtensionRegistrationHooks (#21064)

This PR updates the `ExtensionRegistrationHooks` trait to not name the
`ExtensionLspAdapter` type.

This helps decouple the two.

Release Notes:

- N/A

crates/extension_host/src/extension_host.rs

@@ -6,7 +6,6 @@ pub mod wasm_host;
 #[cfg(test)]
 mod extension_store_test;
 
-use crate::extension_lsp_adapter::ExtensionLspAdapter;
 use anyhow::{anyhow, bail, Context as _, Result};
 use async_compression::futures::bufread::GzipDecoder;
 use async_tar::Archive;
@@ -122,7 +121,13 @@ pub trait ExtensionRegistrationHooks: Send + Sync + 'static {
     ) {
     }
 
-    fn register_lsp_adapter(&self, _language: LanguageName, _adapter: ExtensionLspAdapter) {}
+    fn register_lsp_adapter(
+        &self,
+        _extension: Arc<dyn Extension>,
+        _language_server_id: LanguageServerName,
+        _language: LanguageName,
+    ) {
+    }
 
     fn remove_lsp_adapter(&self, _language: &LanguageName, _server_name: &LanguageServerName) {}
 
@@ -1255,12 +1260,9 @@ impl ExtensionStore {
                     for (language_server_id, language_server_config) in &manifest.language_servers {
                         for language in language_server_config.languages() {
                             this.registration_hooks.register_lsp_adapter(
+                                extension.clone(),
+                                language_server_id.clone(),
                                 language.clone(),
-                                ExtensionLspAdapter {
-                                    extension: extension.clone(),
-                                    language_server_id: language_server_id.clone(),
-                                    language_name: language.clone(),
-                                },
                             );
                         }
                     }

crates/extension_host/src/extension_lsp_adapter.rs

@@ -45,9 +45,23 @@ impl WorktreeDelegate for WorktreeDelegateAdapter {
 }
 
 pub struct ExtensionLspAdapter {
-    pub(crate) extension: Arc<dyn Extension>,
-    pub(crate) language_server_id: LanguageServerName,
-    pub(crate) language_name: LanguageName,
+    extension: Arc<dyn Extension>,
+    language_server_id: LanguageServerName,
+    language_name: LanguageName,
+}
+
+impl ExtensionLspAdapter {
+    pub fn new(
+        extension: Arc<dyn Extension>,
+        language_server_id: LanguageServerName,
+        language_name: LanguageName,
+    ) -> Self {
+        Self {
+            extension,
+            language_server_id,
+            language_name,
+        }
+    }
 }
 
 #[async_trait(?Send)]

crates/extension_host/src/extension_store_test.rs

@@ -7,11 +7,14 @@ use crate::{
 use anyhow::Result;
 use async_compression::futures::bufread::GzipEncoder;
 use collections::BTreeMap;
+use extension::Extension;
 use fs::{FakeFs, Fs, RealFs};
 use futures::{io::BufReader, AsyncReadExt, StreamExt};
 use gpui::{BackgroundExecutor, Context, SemanticVersion, SharedString, Task, TestAppContext};
 use http_client::{FakeHttpClient, Response};
-use language::{LanguageMatcher, LanguageRegistry, LanguageServerBinaryStatus, LoadedLanguage};
+use language::{
+    LanguageMatcher, LanguageName, LanguageRegistry, LanguageServerBinaryStatus, LoadedLanguage,
+};
 use lsp::LanguageServerName;
 use node_runtime::NodeRuntime;
 use parking_lot::Mutex;
@@ -80,11 +83,18 @@ impl ExtensionRegistrationHooks for TestExtensionRegistrationHooks {
 
     fn register_lsp_adapter(
         &self,
-        language_name: language::LanguageName,
-        adapter: ExtensionLspAdapter,
+        extension: Arc<dyn Extension>,
+        language_server_id: LanguageServerName,
+        language: LanguageName,
     ) {
-        self.language_registry
-            .register_lsp_adapter(language_name, Arc::new(adapter));
+        self.language_registry.register_lsp_adapter(
+            language.clone(),
+            Arc::new(ExtensionLspAdapter::new(
+                extension,
+                language_server_id,
+                language,
+            )),
+        );
     }
 
     fn update_lsp_status(

crates/extension_host/src/headless_host.rs

@@ -177,20 +177,17 @@ impl HeadlessExtensionStore {
         let wasm_extension: Arc<dyn Extension> =
             Arc::new(WasmExtension::load(extension_dir, &manifest, wasm_host.clone(), &cx).await?);
 
-        for (language_server_name, language_server_config) in &manifest.language_servers {
+        for (language_server_id, language_server_config) in &manifest.language_servers {
             for language in language_server_config.languages() {
                 this.update(cx, |this, _cx| {
                     this.loaded_language_servers
                         .entry(manifest.id.clone())
                         .or_default()
-                        .push((language_server_name.clone(), language.clone()));
+                        .push((language_server_id.clone(), language.clone()));
                     this.registration_hooks.register_lsp_adapter(
+                        wasm_extension.clone(),
+                        language_server_id.clone(),
                         language.clone(),
-                        ExtensionLspAdapter {
-                            extension: wasm_extension.clone(),
-                            language_server_id: language_server_name.clone(),
-                            language_name: language,
-                        },
                     );
                 })?;
             }
@@ -344,10 +341,22 @@ impl ExtensionRegistrationHooks for HeadlessRegistrationHooks {
         self.language_registry
             .register_language(language, None, matcher, load)
     }
-    fn register_lsp_adapter(&self, language: LanguageName, adapter: ExtensionLspAdapter) {
+
+    fn register_lsp_adapter(
+        &self,
+        extension: Arc<dyn Extension>,
+        language_server_id: LanguageServerName,
+        language: LanguageName,
+    ) {
         log::info!("registering lsp adapter {:?}", language);
-        self.language_registry
-            .register_lsp_adapter(language, Arc::new(adapter) as _);
+        self.language_registry.register_lsp_adapter(
+            language.clone(),
+            Arc::new(ExtensionLspAdapter::new(
+                extension,
+                language_server_id,
+                language,
+            )),
+        );
     }
 
     fn register_wasm_grammars(&self, grammars: Vec<(Arc<str>, PathBuf)>) {

crates/extensions_ui/src/extension_registration_hooks.rs

@@ -11,7 +11,8 @@ use extension_host::{extension_lsp_adapter::ExtensionLspAdapter, wasm_host};
 use fs::Fs;
 use gpui::{AppContext, BackgroundExecutor, Model, Task};
 use indexed_docs::{ExtensionIndexedDocsProvider, IndexedDocsRegistry, ProviderId};
-use language::{LanguageRegistry, LanguageServerBinaryStatus, LoadedLanguage};
+use language::{LanguageName, LanguageRegistry, LanguageServerBinaryStatus, LoadedLanguage};
+use lsp::LanguageServerName;
 use snippet_provider::SnippetRegistry;
 use theme::{ThemeRegistry, ThemeSettings};
 use ui::SharedString;
@@ -159,11 +160,18 @@ impl extension_host::ExtensionRegistrationHooks for ConcreteExtensionRegistratio
 
     fn register_lsp_adapter(
         &self,
-        language_name: language::LanguageName,
-        adapter: ExtensionLspAdapter,
+        extension: Arc<dyn Extension>,
+        language_server_id: LanguageServerName,
+        language: LanguageName,
     ) {
-        self.language_registry
-            .register_lsp_adapter(language_name, Arc::new(adapter));
+        self.language_registry.register_lsp_adapter(
+            language.clone(),
+            Arc::new(ExtensionLspAdapter::new(
+                extension,
+                language_server_id,
+                language,
+            )),
+        );
     }
 
     fn remove_lsp_adapter(