@@ -65,19 +65,25 @@ pub trait Item: Entity {
fn entry_id(&self, cx: &AppContext) -> Option<ProjectEntryId>;
}
-pub enum LanguageServerState {
- Starting(Task<Option<Arc<LanguageServer>>>),
- Running {
- adapter: Arc<dyn LspAdapter>,
- server: Arc<LanguageServer>,
- },
-}
-
pub struct ProjectStore {
db: Arc<Db>,
projects: Vec<WeakModelHandle<Project>>,
}
+// Language server state is stored across 3 collections:
+// language_servers =>
+// a mapping from unique server id to LanguageServerState which can either be a task for a
+// server in the process of starting, or a running server with adapter and language server arcs
+// language_server_ids => a mapping from worktreeId and server name to the unique server id
+// language_server_statuses => a mapping from unique server id to the current server status
+//
+// Multiple worktrees can map to the same language server for example when you jump to the definition
+// of a file in the standard library. So language_server_ids is used to look up which server is active
+// for a given worktree and language server name
+//
+// When starting a language server, first the id map is checked to make sure a server isn't already available
+// for that worktree. If there is one, it finishes early. Otherwise, a new id is allocated and and
+// the Starting variant of LanguageServerState is stored in the language_servers map.
pub struct Project {
worktrees: Vec<WorktreeHandle>,
active_entry: Option<ProjectEntryId>,
@@ -180,12 +186,20 @@ pub enum Event {
ContactCancelledJoinRequest(Arc<User>),
}
+pub enum LanguageServerState {
+ Starting(Task<Option<Arc<LanguageServer>>>),
+ Running {
+ adapter: Arc<dyn LspAdapter>,
+ server: Arc<LanguageServer>,
+ },
+}
+
#[derive(Serialize)]
pub struct LanguageServerStatus {
pub name: String,
pub pending_work: BTreeMap<String, LanguageServerProgress>,
pub has_pending_diagnostic_updates: bool,
- pub progress_tokens: HashSet<String>,
+ progress_tokens: HashSet<String>,
}
#[derive(Clone, Debug, Serialize)]