Hot Reload: Temporarily disable project-level analysis

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

@@ -29,6 +29,11 @@ namespace Microsoft.CodeAnalysis.EditAndContinue;
 
 internal abstract partial class AbstractEditAndContinueAnalyzer : IEditAndContinueAnalyzer
 {
+    // TODO: https://github.com/dotnet/roslyn/issues/81728
+    // Temporarily disabled until https://devdiv.visualstudio.com/DevDiv/_queries/edit/1835505 is implemented.
+    // Only enabled in dotnet-watch and tests.
+    internal static bool EnableProjectLevelAnalysis = false;
+
     internal const int DefaultStatementPart = 0;
     private const string CreateNewOnMetadataUpdateAttributeName = "CreateNewOnMetadataUpdateAttribute";
     private const string RestartRequiredOnMetadataUpdateAttributeName = "RestartRequiredOnMetadataUpdateAttribute";
@@ -578,7 +583,7 @@ public async Task<DocumentAnalysisResults> AnalyzeDocumentAsync(
             // since the option changed would have different semantics than the parts that have changed.
             //
             // Skip further analysis of the document if we detect any such change (classified as rude edits) in parse options.
-            if (GetParseOptionsRudeEdits(oldTree.Options, newTree.Options).Any())
+            if (EnableProjectLevelAnalysis && GetParseOptionsRudeEdits(oldTree.Options, newTree.Options).Any())
             {
                 log.Write($"Parse options differ for '{filePath}'");
 

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

@@ -343,7 +343,7 @@ internal static async ValueTask<bool> HasDifferencesAsync(Project oldProject, Pr
             return false;
         }
 
-        if (HasProjectLevelDifferences(oldProject, newProject, differences) && differences == null)
+        if (AbstractEditAndContinueAnalyzer.EnableProjectLevelAnalysis && HasProjectLevelDifferences(oldProject, newProject, differences) && differences == null)
         {
             return true;
         }
@@ -1213,7 +1213,7 @@ void UpdateChangedDocumentsStaleness(bool isStale)
 
                     var projectSummary = GetProjectAnalysisSummary(changedDocumentAnalyses);
 
-                    if (HasProjectSettingsBlockingRudeEdits(oldProject, newProject, projectDiagnostics))
+                    if (AbstractEditAndContinueAnalyzer.EnableProjectLevelAnalysis && HasProjectSettingsBlockingRudeEdits(oldProject, newProject, projectDiagnostics))
                     {
                         // If the project settings have changed and the change is a rude edit,
                         // block applying the changes even if there no other changes to the project documents.

src/Features/ExternalAccess/HotReload/Api/HotReloadService.cs

@@ -138,6 +138,7 @@ public readonly struct Updates
     public HotReloadService(HostWorkspaceServices services, ImmutableArray<string> capabilities)
         : this(services.SolutionServices, () => ValueTask.FromResult(AddImplicitDotNetCapabilities(capabilities)))
     {
+        AbstractEditAndContinueAnalyzer.EnableProjectLevelAnalysis = true;
     }
 
     private DebuggingSessionId GetDebuggingSession()

src/Features/TestUtilities/EditAndContinue/EditAndContinueWorkspaceTestBase.cs

@@ -33,6 +33,12 @@ namespace Microsoft.CodeAnalysis.EditAndContinue.UnitTests;
 
 public abstract class EditAndContinueWorkspaceTestBase : TestBase, IDisposable
 {
+    static EditAndContinueWorkspaceTestBase()
+    {
+        // TODO: remove https://github.com/dotnet/roslyn/issues/81728
+        AbstractEditAndContinueAnalyzer.EnableProjectLevelAnalysis = true;
+    }
+
     private protected static readonly Guid s_solutionTelemetryId = Guid.Parse("00000000-AAAA-AAAA-AAAA-000000000000");
     private protected static readonly Guid s_defaultProjectTelemetryId = Guid.Parse("00000000-AAAA-AAAA-AAAA-111111111111");
     private protected static readonly Regex s_timePropertiesRegex = new("[|](EmitDifferenceMilliseconds|TotalAnalysisMilliseconds)=[0-9]+");