Fix active document handling in BackgroundParser

dotnet · Apr 21, 2021 · 173e0e5 · 173e0e5
1 parent 56203e6
commit 173e0e5
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/src/Features/Core/Portable/Workspace/BackgroundParser.cs b/src/Features/Core/Portable/Workspace/BackgroundParser.cs
@@ -43,13 +43,17 @@ public BackgroundParser(Workspace workspace)
             _taskQueue = new TaskQueue(listenerProvider.GetListener(), TaskScheduler.Default);
 
             _documentTrackingService = workspace.Services.GetRequiredService<IDocumentTrackingService>();
+            _documentTrackingService.ActiveDocumentChanged += OnActiveDocumentChanged;
 
             _workspace.WorkspaceChanged += OnWorkspaceChanged;
 
             workspace.DocumentOpened += OnDocumentOpened;
             workspace.DocumentClosed += OnDocumentClosed;
         }
 
+        private void OnActiveDocumentChanged(object sender, DocumentId activeDocumentId)
+            => Parse(_workspace.CurrentSolution.GetDocument(activeDocumentId));
+
         private void OnDocumentOpened(object sender, DocumentEventArgs args)
             => Parse(args.Document);