Merge pull request #21755 from oeb25/lsp-server-has-pending

feature: Add `has_pending` methods to `Incoming`/`Outgoing`/`ReqQueue` in `lsp_server`

Author: Veykril

lib/lsp-server/src/req_queue.rs

@@ -18,6 +18,12 @@ impl<I, O> Default for ReqQueue<I, O> {
     }
 }
 
+impl<I, O> ReqQueue<I, O> {
+    pub fn has_pending(&self) -> bool {
+        self.incoming.has_pending() || self.outgoing.has_pending()
+    }
+}
+
 #[derive(Debug)]
 pub struct Incoming<I> {
     pending: HashMap<RequestId, I>,
@@ -51,6 +57,10 @@ impl<I> Incoming<I> {
     pub fn is_completed(&self, id: &RequestId) -> bool {
         !self.pending.contains_key(id)
     }
+
+    pub fn has_pending(&self) -> bool {
+        !self.pending.is_empty()
+    }
 }
 
 impl<O> Outgoing<O> {
@@ -64,4 +74,8 @@ impl<O> Outgoing<O> {
     pub fn complete(&mut self, id: RequestId) -> Option<O> {
         self.pending.remove(&id)
     }
+
+    pub fn has_pending(&self) -> bool {
+        !self.pending.is_empty()
+    }
 }