Capture file content on open instead of save (dotnet#54643)

src/Features/Core/Portable/EditAndContinue/EditAndContinueWorkspaceService.cs

@@ -97,7 +97,7 @@ public void OnSourceFileUpdated(Document document)
  foreach (var debuggingSession in GetActiveDebuggingSessions())
  {
  // fire and forget
- _ = Task.Run(() => debuggingSession.OnSourceFileUpdatedAsync(document));
+ _ = Task.Run(() => debuggingSession.OnSourceFileUpdatedAsync(document)).ReportNonFatalErrorAsync();
  }
  }
 

src/VisualStudio/Core/Def/Implementation/EditAndContinue/VisualStudioWorkspaceEditAndContinueListener.cs

@@ -0,0 +1,56 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System;
+using System.Composition;
+using System.Threading;
+using System.Threading.Tasks;
+using Microsoft.CodeAnalysis;
+using Microsoft.CodeAnalysis.EditAndContinue;
+using Microsoft.CodeAnalysis.Host;
+using Microsoft.CodeAnalysis.Host.Mef;
+using Roslyn.Utilities;
+
+namespace Microsoft.VisualStudio.LanguageServices.EditAndContinue
+{
+ /// <summary>
+ /// Connects <see cref="VisualStudioWorkspace"/> to the ServiceHub services.
+ /// Launches ServiceHub if it is not running yet and starts services that push information from <see cref="VisualStudioWorkspace"/> to the ServiceHub process.
+ /// </summary>
+ [ExportEventListener(WellKnownEventListeners.Workspace, WorkspaceKind.Host), Shared]
+ internal sealed class VisualStudioWorkspaceEditAndContinueListener : IEventListener<object>, IEventListenerStoppable
+ {
+ [ImportingConstructor]
+ [Obsolete(MefConstruction.ImportingConstructorMessage, error: true)]
+ public VisualStudioWorkspaceEditAndContinueListener()
+ {
+ }
+
+ public void StartListening(Workspace workspace, object serviceOpt)
+ {
+ if (workspace is not VisualStudioWorkspace)
+ {
+ return;
+ }
+
+ workspace.DocumentOpened += WorkspaceDocumentOpened;
+ }
+
+ public void StopListening(Workspace workspace)
+ {
+ if (workspace is not VisualStudioWorkspace)
+ {
+ return;
+ }
+
+ workspace.DocumentOpened -= WorkspaceDocumentOpened;
+ }
+
+ private void WorkspaceDocumentOpened(object? sender, DocumentEventArgs e)
+ {
+ var proxy = new RemoteEditAndContinueServiceProxy(e.Document.Project.Solution.Workspace);
+ _ = Task.Run(() => proxy.OnSourceFileUpdatedAsync(e.Document, CancellationToken.None)).ReportNonFatalErrorAsync();
+ }
+ }
+}