Include projects to restart/rebuild in ManagedHotReloadUpdates (#75918)

Author: tmat

src/EditorFeatures/Core/EditAndContinue/EditAndContinueLanguageService.cs

@@ -400,6 +400,13 @@ public async ValueTask<ManagedHotReloadUpdates> GetUpdatesAsync(ImmutableArray<s
 
         UpdateApplyChangesDiagnostics(result.Diagnostics);
 
-        return new ManagedHotReloadUpdates(result.ModuleUpdates.Updates.FromContract(), result.GetAllDiagnostics().FromContract());
+        return new ManagedHotReloadUpdates(
+            result.ModuleUpdates.Updates.FromContract(),
+            result.GetAllDiagnostics().FromContract(),
+            GetProjectPaths(result.ProjectsToRebuild),
+            GetProjectPaths(result.ProjectsToRestart));
+
+        ImmutableArray<string> GetProjectPaths(ImmutableArray<ProjectId> ids)
+            => ids.SelectAsArray(static (id, solution) => solution.GetRequiredProject(id).FilePath!, solution);
     }
 }

src/EditorFeatures/ExternalAccess/Debugger/GlassTestsHotReloadService.cs

@@ -85,7 +85,7 @@ public void EndDebuggingSession()
         public async ValueTask<ManagedHotReloadUpdates> GetUpdatesAsync(Solution solution, CancellationToken cancellationToken)
         {
             var results = (await _encService.EmitSolutionUpdateAsync(GetSessionId(), solution, runningProjects: [], s_noActiveStatementSpanProvider, cancellationToken).ConfigureAwait(false)).Dehydrate();
-            return new ManagedHotReloadUpdates(results.ModuleUpdates.Updates.FromContract(), results.GetAllDiagnostics().FromContract());
+            return new ManagedHotReloadUpdates(results.ModuleUpdates.Updates.FromContract(), results.GetAllDiagnostics().FromContract(), [], []);
         }
     }
 }

src/Features/TestUtilities/EditAndContinue/EditAndContinueWorkspaceTestBase.cs

@@ -54,13 +54,13 @@ public abstract class EditAndContinueWorkspaceTestBase : TestBase, IDisposable
     /// <summary>
     /// Streams that are verified to be disposed at the end of the debug session (by default).
     /// </summary>
-    public List<(Guid mvid, Stream stream)> DisposalVerifiedStreams = [];
+    private ImmutableList<Stream> _disposalVerifiedStreams = [];
 
     public override void Dispose()
     {
         base.Dispose();
 
-        foreach (var (_, stream) in DisposalVerifiedStreams)
+        foreach (var stream in _disposalVerifiedStreams)
         {
             Assert.False(stream.CanRead);
         }
@@ -314,15 +314,15 @@ internal Guid EmitLibrary(Compilation compilation, DebugInformationFormat pdbFor
             OpenAssemblyStreamImpl = () =>
             {
                 var stream = new MemoryStream();
-                DisposalVerifiedStreams.Add((moduleId, stream));
+                ImmutableInterlocked.Update(ref _disposalVerifiedStreams, s => s.Add(stream));
                 peImage.WriteToStream(stream);
                 stream.Position = 0;
                 return stream;
             },
             OpenPdbStreamImpl = () =>
             {
                 var stream = new MemoryStream();
-                DisposalVerifiedStreams.Add((moduleId, stream));
+                ImmutableInterlocked.Update(ref _disposalVerifiedStreams, s => s.Add(stream));
                 pdbImage.WriteToStream(stream);
                 stream.Position = 0;
                 return stream;