made solution to compile without v1 engine.

src/Features/Core/Portable/Diagnostics/EngineV1/DiagnosticIncrementalAnalyzer.NestedTypes.cs

@@ -102,32 +102,13 @@ public override string BuildTool
             }
         }
 
-        public class ArgumentKey : AnalyzerUpdateArgsId
+        public class ArgumentKey : LiveDiagnosticUpdateArgsId
         {
-            public readonly StateType StateType;
-            public readonly object Key;
-
-            public ArgumentKey(DiagnosticAnalyzer analyzer, StateType stateType, object key) : base(analyzer)
+            public ArgumentKey(DiagnosticAnalyzer analyzer, StateType stateType, object key) : base(analyzer, key, (int)stateType)
             {
-                StateType = stateType;
-                Key = key;
             }
 
-            public override bool Equals(object obj)
-            {
-                var other = obj as ArgumentKey;
-                if (other == null)
-                {
-                    return false;
-                }
-
-                return StateType == other.StateType && Equals(Key, other.Key) && base.Equals(obj);
-            }
-
-            public override int GetHashCode()
-            {
-                return Hash.Combine(Key, Hash.Combine((int)StateType, base.GetHashCode()));
-            }
+            public StateType StateType => (StateType)Kind;
         }
     }
 }

src/Features/Core/Portable/Diagnostics/EngineV2/DiagnosticIncrementalAnalyzer.cs

 // Copyright (c) Microsoft.  All Rights Reserved.  Licensed under the Apache License, Version 2.0.  See License.txt in the project root for license information.
 
+using System;
 using System.Collections.Generic;
 using System.Collections.Immutable;
 using System.Linq;
@@ -7,6 +8,7 @@
 using System.Threading.Tasks;
 using Microsoft.CodeAnalysis.Shared.Extensions;
 using Microsoft.CodeAnalysis.Shared.Options;
+using Microsoft.CodeAnalysis.Text;
 using Roslyn.Utilities;
 
 namespace Microsoft.CodeAnalysis.Diagnostics.EngineV2

src/Features/Core/Portable/Diagnostics/LiveDiagnosticUpdateArgsId.cs

+// Copyright (c) Microsoft.  All Rights Reserved.  Licensed under the Apache License, Version 2.0.  See License.txt in the project root for license information.
+
+using Roslyn.Utilities;
+
+namespace Microsoft.CodeAnalysis.Diagnostics
+{
+    internal class LiveDiagnosticUpdateArgsId : AnalyzerUpdateArgsId
+    {
+        public readonly object Key;
+        public readonly int Kind;
+
+        public LiveDiagnosticUpdateArgsId(DiagnosticAnalyzer analyzer, object key, int kind) : base(analyzer)
+        {
+            Key = key;
+            Kind = kind;
+        }
+
+        public override bool Equals(object obj)
+        {
+            var other = obj as LiveDiagnosticUpdateArgsId;
+            if (other == null)
+            {
+                return false;
+            }
+
+            return Kind == other.Kind && Equals(Key, other.Key) && base.Equals(obj);
+        }
+
+        public override int GetHashCode()
+        {
+            return Hash.Combine(Key, Hash.Combine(Kind, base.GetHashCode()));
+        }
+    }
+}

src/Features/Core/Portable/Features.csproj

@@ -182,9 +182,26 @@
     <Compile Include="Diagnostics\AnalyzerHelper.cs" />
     <Compile Include="Diagnostics\AbstractHostDiagnosticUpdateSource.cs" />
     <Compile Include="Diagnostics\AnalyzerUpdateArgsId.cs" />
+    <Compile Include="Diagnostics\EngineV1\DiagnosticAnalyzerDriver.cs" />
+    <Compile Include="Diagnostics\EngineV1\DiagnosticIncrementalAnalyzer.AnalyzerExecutor.cs" />
+    <Compile Include="Diagnostics\EngineV1\DiagnosticIncrementalAnalyzer.cs" />
+    <Compile Include="Diagnostics\EngineV1\DiagnosticIncrementalAnalyzer.DiagnosticState.cs" />
+    <Compile Include="Diagnostics\EngineV1\DiagnosticIncrementalAnalyzer.NestedTypes.cs" />
+    <Compile Include="Diagnostics\EngineV1\DiagnosticIncrementalAnalyzer.ProjectAnalyzerReferenceChangedEventArgs.cs" />
+    <Compile Include="Diagnostics\EngineV1\DiagnosticIncrementalAnalyzer.StateManager.cs" />
+    <Compile Include="Diagnostics\EngineV1\DiagnosticIncrementalAnalyzer.StateManager.HostStates.cs" />
+    <Compile Include="Diagnostics\EngineV1\DiagnosticIncrementalAnalyzer.StateManager.ProjectStates.cs" />
+    <Compile Include="Diagnostics\EngineV1\DiagnosticIncrementalAnalyzer.StateSet.cs" />
+    <Compile Include="Diagnostics\EngineV1\DiagnosticIncrementalAnalyzer.StateType.cs" />
+    <Compile Include="Diagnostics\EngineV1\DiagnosticIncrementalAnalyzer_BuildSynchronization.cs" />
+    <Compile Include="Diagnostics\EngineV1\DiagnosticIncrementalAnalyzer_GetDiagnostics.cs" />
+    <Compile Include="Diagnostics\EngineV1\DiagnosticIncrementalAnalyzer_GetLatestDiagnosticsForSpan.cs" />
+    <Compile Include="Diagnostics\EngineV1\MemberRangeMap.cs" />
+    <Compile Include="Diagnostics\LiveDiagnosticUpdateArgsId.cs" />
     <Compile Include="Diagnostics\DiagnosticEventTaskScheduler.cs" />
     <Compile Include="Diagnostics\DiagnosticService_UpdateSourceRegistrationService.cs" />
     <Compile Include="Common\UpdatedEventArgs.cs" />
+    <Compile Include="Diagnostics\DiagnosticAnalyzerCategory.cs" />
     <Compile Include="Diagnostics\EngineV2\CompilerDiagnosticExecutor.cs" />
     <Compile Include="Diagnostics\EngineV2\DiagnosticIncrementalAnalyzer.ActiveFileState.cs" />
     <Compile Include="Diagnostics\EngineV2\DiagnosticIncrementalAnalyzer.ProjectState.cs" />
@@ -197,13 +214,6 @@
     <Compile Include="Diagnostics\InternalDiagnosticsOptionsProvider.cs" />
     <Compile Include="Diagnostics\PredefinedBuildTools.cs" />
     <Compile Include="Diagnostics\DiagnosticAnalyzerService_BuildSynchronization.cs" />
-    <Compile Include="Diagnostics\EngineV1\DiagnosticIncrementalAnalyzer.ProjectAnalyzerReferenceChangedEventArgs.cs" />
-    <Compile Include="Diagnostics\EngineV1\DiagnosticIncrementalAnalyzer.StateManager.cs" />
-    <Compile Include="Diagnostics\EngineV1\DiagnosticIncrementalAnalyzer.StateManager.HostStates.cs" />
-    <Compile Include="Diagnostics\EngineV1\DiagnosticIncrementalAnalyzer.StateManager.ProjectStates.cs" />
-    <Compile Include="Diagnostics\EngineV1\DiagnosticIncrementalAnalyzer.StateSet.cs" />
-    <Compile Include="Diagnostics\EngineV1\DiagnosticIncrementalAnalyzer_BuildSynchronization.cs" />
-    <Compile Include="Diagnostics\EngineV1\DiagnosticIncrementalAnalyzer_GetLatestDiagnosticsForSpan.cs" />
     <Compile Include="Diagnostics\BuildToolId.cs" />
     <Compile Include="Diagnostics\HostAnalyzerManager.cs" />
     <Compile Include="Diagnostics\Analyzers\IDEDiagnosticIds.cs" />
@@ -218,10 +228,6 @@
     <Compile Include="Diagnostics\DiagnosticProviderMetadata.cs" />
     <Compile Include="Diagnostics\DiagnosticService.cs" />
     <Compile Include="Diagnostics\DiagnosticsUpdatedArgs.cs" />
-    <Compile Include="Diagnostics\EngineV1\DiagnosticIncrementalAnalyzer.AnalyzerExecutor.cs" />
-    <Compile Include="Diagnostics\EngineV1\DiagnosticIncrementalAnalyzer_GetDiagnostics.cs" />
-    <Compile Include="Diagnostics\EngineV1\DiagnosticIncrementalAnalyzer.NestedTypes.cs" />
-    <Compile Include="Diagnostics\EngineV1\DiagnosticIncrementalAnalyzer.StateType.cs" />
     <Compile Include="Diagnostics\DiagnosticAnalyzerService_IncrementalAnalyzer.cs" />
     <Compile Include="Diagnostics\DiagnosticAnalyzerService_UpdateSource.cs" />
     <Compile Include="Diagnostics\IAnalyzerDriverService.cs" />
@@ -283,11 +289,6 @@
     <Compile Include="Diagnostics\Analyzers\RemoveUnnecessaryCastDiagnosticAnalyzerBase.cs" />
     <Compile Include="Diagnostics\Analyzers\RemoveUnnecessaryImportsDiagnosticAnalyzerBase.cs" />
     <Compile Include="Diagnostics\Analyzers\SimplifyTypeNamesDiagnosticAnalyzerBase.cs" />
-    <Compile Include="Diagnostics\EngineV1\DiagnosticAnalyzerDriver.cs" />
-    <Compile Include="Diagnostics\EngineV1\DiagnosticAnalyzerCategory.cs" />
-    <Compile Include="Diagnostics\EngineV1\DiagnosticIncrementalAnalyzer.DiagnosticState.cs" />
-    <Compile Include="Diagnostics\EngineV1\DiagnosticIncrementalAnalyzer.cs" />
-    <Compile Include="Diagnostics\EngineV1\MemberRangeMap.cs" />
     <Compile Include="DocumentationComments\AbstractDocumentationCommentFormattingService.cs" />
     <Compile Include="DocumentationComments\IDocumentationCommentFormattingService.cs" />
     <Compile Include="EditAndContinue\AbstractEditAndContinueAnalyzer.cs" />
@@ -577,6 +578,7 @@
     <PublicAPI Include="PublicAPI.Shipped.txt" />
     <PublicAPI Include="PublicAPI.Unshipped.txt" />
   </ItemGroup>
+  <ItemGroup />
   <Import Project="..\..\..\Compilers\Core\AnalyzerDriver\AnalyzerDriver.projitems" Label="Shared" />
   <ImportGroup Label="Targets">
     <Import Project="..\..\..\..\build\Targets\VSL.Imports.targets" />

src/VisualStudio/Core/Def/Implementation/TableDataSource/VisualStudioBaseDiagnosticListTable.LiveTableDataSource.cs

@@ -123,14 +123,14 @@ private object CreateAggregationKey(object data)
                     return GetItemKey(data);
                 }
 
-                var argumentKey = args.Id as DiagnosticIncrementalAnalyzer.ArgumentKey;
-                if (argumentKey == null)
+                var liveArgsId = args.Id as LiveDiagnosticUpdateArgsId;
+                if (liveArgsId == null)
                 {
                     return GetItemKey(data);
                 }
 
                 var documents = args.Solution.GetRelatedDocumentIds(args.DocumentId);
-                return new AggregatedKey(documents, argumentKey.Analyzer, argumentKey.StateType);
+                return new AggregatedKey(documents, liveArgsId.Analyzer, liveArgsId.Kind);
             }
 
             private void PopulateInitialData(Workspace workspace, IDiagnosticService diagnosticService)

src/VisualStudio/Core/Def/Implementation/TableDataSource/VisualStudioBaseDiagnosticListTable.cs

@@ -104,13 +104,13 @@ protected class AggregatedKey
         {
             public readonly ImmutableArray<DocumentId> DocumentIds;
             public readonly DiagnosticAnalyzer Analyzer;
-            public readonly DiagnosticIncrementalAnalyzer.StateType StateType;
+            public readonly int Kind;
 
-            public AggregatedKey(ImmutableArray<DocumentId> documentIds, DiagnosticAnalyzer analyzer, DiagnosticIncrementalAnalyzer.StateType stateType)
+            public AggregatedKey(ImmutableArray<DocumentId> documentIds, DiagnosticAnalyzer analyzer, int kind)
             {
                 DocumentIds = documentIds;
                 Analyzer = analyzer;
-                StateType = stateType;
+                Kind = kind;
             }
 
             public override bool Equals(object obj)
@@ -121,12 +121,12 @@ public override bool Equals(object obj)
                     return false;
                 }
 
-                return this.DocumentIds == other.DocumentIds && this.Analyzer == other.Analyzer && this.StateType == other.StateType;
+                return this.DocumentIds == other.DocumentIds && this.Analyzer == other.Analyzer && this.Kind == other.Kind;
             }
 
             public override int GetHashCode()
             {
-                return Hash.Combine(Analyzer.GetHashCode(), Hash.Combine(DocumentIds.GetHashCode(), (int)StateType));
+                return Hash.Combine(Analyzer.GetHashCode(), Hash.Combine(DocumentIds.GetHashCode(), Kind));
             }
         }
     }