Introduce ILibraryService language service for Class View/Object Browser

src/VisualStudio/CSharp/Impl/CSharpVisualStudio.csproj

@@ -81,18 +81,40 @@
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
   </PropertyGroup>
   <ItemGroup>
-    <Reference Include="envdte, Version=8.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a"><Private>false</Private></Reference>
-    <Reference Include="envdte80, Version=8.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a"><Private>false</Private></Reference>
-    <Reference Include="microsoft.msxml, Version=8.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a"><Private>false</Private></Reference>
-    <Reference Include="Microsoft.VisualStudio.ComponentModelHost, Version=$(VisualStudioReferenceAssemblyVersion), Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a"><Private>false</Private></Reference>
-    <Reference Include="Microsoft.VisualStudio.CoreUtility, Version=$(VisualStudioReferenceAssemblyVersion), Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a"><Private>false</Private></Reference>
-    <Reference Include="Microsoft.VisualStudio.Editor, Version=$(VisualStudioReferenceAssemblyVersion), Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a"><Private>false</Private></Reference>
+    <Reference Include="envdte, Version=8.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
+      <Private>false</Private>
+    </Reference>
+    <Reference Include="envdte80, Version=8.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
+      <Private>false</Private>
+    </Reference>
+    <Reference Include="microsoft.msxml, Version=8.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
+      <Private>false</Private>
+    </Reference>
+    <Reference Include="Microsoft.VisualStudio.ComponentModelHost, Version=$(VisualStudioReferenceAssemblyVersion), Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
+      <Private>false</Private>
+    </Reference>
+    <Reference Include="Microsoft.VisualStudio.CoreUtility, Version=$(VisualStudioReferenceAssemblyVersion), Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
+      <Private>false</Private>
+    </Reference>
+    <Reference Include="Microsoft.VisualStudio.Editor, Version=$(VisualStudioReferenceAssemblyVersion), Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
+      <Private>false</Private>
+    </Reference>
     <Reference Include="Microsoft.VisualStudio.GraphModel, Version=$(VisualStudioReferenceAssemblyVersion), Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" />
-    <Reference Include="Microsoft.VisualStudio.Language.Intellisense, Version=$(VisualStudioReferenceAssemblyVersion), Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a"><Private>false</Private></Reference>
-    <Reference Include="Microsoft.VisualStudio.OLE.Interop, Version=7.1.40304.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a"><Private>false</Private></Reference>
-    <Reference Include="Microsoft.VisualStudio.Shell.14.0, Version=$(VisualStudioReferenceAssemblyVersion), Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a"><Private>false</Private></Reference>
-    <Reference Include="Microsoft.VisualStudio.Shell.Immutable.10.0, Version=10.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a"><Private>false</Private></Reference>
-    <Reference Include="Microsoft.VisualStudio.Shell.Interop, Version=7.1.40304.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a"><Private>false</Private></Reference>
+    <Reference Include="Microsoft.VisualStudio.Language.Intellisense, Version=$(VisualStudioReferenceAssemblyVersion), Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
+      <Private>false</Private>
+    </Reference>
+    <Reference Include="Microsoft.VisualStudio.OLE.Interop, Version=7.1.40304.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
+      <Private>false</Private>
+    </Reference>
+    <Reference Include="Microsoft.VisualStudio.Shell.14.0, Version=$(VisualStudioReferenceAssemblyVersion), Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
+      <Private>false</Private>
+    </Reference>
+    <Reference Include="Microsoft.VisualStudio.Shell.Immutable.10.0, Version=10.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
+      <Private>false</Private>
+    </Reference>
+    <Reference Include="Microsoft.VisualStudio.Shell.Interop, Version=7.1.40304.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
+      <Private>false</Private>
+    </Reference>
     <Reference Include="Microsoft.VisualStudio.Shell.Interop.10.0, Version=10.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
       <EmbedInteropTypes>True</EmbedInteropTypes>
     </Reference>
@@ -102,14 +124,30 @@
     <Reference Include="Microsoft.VisualStudio.Shell.Interop.12.0, Version=12.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
       <EmbedInteropTypes>True</EmbedInteropTypes>
     </Reference>
-    <Reference Include="Microsoft.VisualStudio.Shell.Interop.8.0, Version=8.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a"><Private>false</Private></Reference>
-    <Reference Include="Microsoft.VisualStudio.Shell.Interop.9.0, Version=9.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a"><Private>false</Private></Reference>
-    <Reference Include="Microsoft.VisualStudio.Text.Data, Version=$(VisualStudioReferenceAssemblyVersion), Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a"><Private>false</Private></Reference>
-    <Reference Include="Microsoft.VisualStudio.Text.Logic, Version=$(VisualStudioReferenceAssemblyVersion), Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a"><Private>false</Private></Reference>
-    <Reference Include="Microsoft.VisualStudio.Text.UI, Version=$(VisualStudioReferenceAssemblyVersion), Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a"><Private>false</Private></Reference>
-    <Reference Include="Microsoft.VisualStudio.Text.UI.Wpf, Version=$(VisualStudioReferenceAssemblyVersion), Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a"><Private>false</Private></Reference>
-    <Reference Include="Microsoft.VisualStudio.TextManager.Interop, Version=7.1.40304.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a"><Private>false</Private></Reference>
-    <Reference Include="Microsoft.VisualStudio.TextManager.Interop.8.0, Version=8.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a"><Private>false</Private></Reference>
+    <Reference Include="Microsoft.VisualStudio.Shell.Interop.8.0, Version=8.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
+      <Private>false</Private>
+    </Reference>
+    <Reference Include="Microsoft.VisualStudio.Shell.Interop.9.0, Version=9.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
+      <Private>false</Private>
+    </Reference>
+    <Reference Include="Microsoft.VisualStudio.Text.Data, Version=$(VisualStudioReferenceAssemblyVersion), Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
+      <Private>false</Private>
+    </Reference>
+    <Reference Include="Microsoft.VisualStudio.Text.Logic, Version=$(VisualStudioReferenceAssemblyVersion), Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
+      <Private>false</Private>
+    </Reference>
+    <Reference Include="Microsoft.VisualStudio.Text.UI, Version=$(VisualStudioReferenceAssemblyVersion), Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
+      <Private>false</Private>
+    </Reference>
+    <Reference Include="Microsoft.VisualStudio.Text.UI.Wpf, Version=$(VisualStudioReferenceAssemblyVersion), Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
+      <Private>false</Private>
+    </Reference>
+    <Reference Include="Microsoft.VisualStudio.TextManager.Interop, Version=7.1.40304.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
+      <Private>false</Private>
+    </Reference>
+    <Reference Include="Microsoft.VisualStudio.TextManager.Interop.8.0, Version=8.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
+      <Private>false</Private>
+    </Reference>
     <Reference Include="Microsoft.VisualStudio.Utilities, Version=$(VisualStudioReferenceAssemblyVersion), Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" />
     <Reference Include="PresentationCore" />
     <Reference Include="PresentationFramework" />
@@ -159,6 +197,8 @@
     <Compile Include="Debugging\DataTipInfoGetter.cs" />
     <Compile Include="Debugging\LocationInfoGetter.cs" />
     <Compile Include="LanguageService\HACK_CSharpCreateServicesOnUIThread.cs" />
+    <Compile Include="ObjectBrowser\CSharpLibraryService.cs" />
+    <Compile Include="ObjectBrowser\CSharpLibraryServiceFactory.cs" />
     <Compile Include="ObjectBrowser\ListItemFactory.cs" />
     <Compile Include="Options\AdvancedOptionPageStrings.cs" />
     <Compile Include="Options\IntelliSenseOptionPageStrings.cs" />
@@ -284,4 +324,4 @@
   <ImportGroup Label="Targets">
     <Import Project="..\..\..\..\build\Targets\VSL.Imports.targets" />
   </ImportGroup>
-</Project>
+</Project>
\ No newline at end of file

src/VisualStudio/CSharp/Impl/ObjectBrowser/CSharpLibraryService.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 Microsoft.VisualStudio.LanguageServices.Implementation.Library;
+using Microsoft.VisualStudio.Shell.Interop;
+
+namespace Microsoft.VisualStudio.LanguageServices.CSharp.ObjectBrowser
+{
+    internal class CSharpLibraryService : AbstractLibraryService
+    {
+        public CSharpLibraryService()
+            : base(Guids.CSharpLibraryId, __SymbolToolLanguage.SymbolToolLanguage_CSharp)
+        {
+        }
+    }
+}

src/VisualStudio/CSharp/Impl/ObjectBrowser/CSharpLibraryServiceFactory.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.Composition;
+using Microsoft.CodeAnalysis;
+using Microsoft.CodeAnalysis.Host;
+using Microsoft.CodeAnalysis.Host.Mef;
+using Microsoft.VisualStudio.LanguageServices.Implementation.Library;
+
+namespace Microsoft.VisualStudio.LanguageServices.CSharp.ObjectBrowser
+{
+    [ExportLanguageServiceFactory(typeof(ILibraryService), LanguageNames.CSharp), Shared]
+    internal class CSharpLibraryServiceFactory : ILanguageServiceFactory
+    {
+        public ILanguageService CreateLanguageService(HostLanguageServices languageServices)
+        {
+            return new CSharpLibraryService();
+        }
+    }
+}

src/VisualStudio/Core/Def/Implementation/Library/AbstractLibraryService.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 Microsoft.VisualStudio.LanguageServices.Implementation.Library.VsNavInfo;
+using Microsoft.VisualStudio.Shell.Interop;
+
+namespace Microsoft.VisualStudio.LanguageServices.Implementation.Library
+{
+    internal abstract class AbstractLibraryService : ILibraryService
+    {
+        public Guid LibraryId { get; }
+        public __SymbolToolLanguage PreferredLanguage { get; }
+
+        public NavInfoFactory NavInfo { get; }
+
+        protected AbstractLibraryService(Guid libraryId, __SymbolToolLanguage preferredLanguage)
+        {
+            this.LibraryId = libraryId;
+            this.PreferredLanguage = preferredLanguage;
+
+            this.NavInfo = new NavInfoFactory(libraryId, preferredLanguage);
+        }
+    }
+}

src/VisualStudio/Core/Def/Implementation/Library/ILibraryService.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 Microsoft.CodeAnalysis.Host;
+using Microsoft.VisualStudio.LanguageServices.Implementation.Library.VsNavInfo;
+
+namespace Microsoft.VisualStudio.LanguageServices.Implementation.Library
+{
+    internal interface ILibraryService : ILanguageService
+    {
+        NavInfoFactory NavInfo { get; }
+    }
+}

src/VisualStudio/Core/Def/Implementation/Library/ObjectBrowser/AbstractDescriptionBuilder.cs

@@ -44,7 +44,7 @@ private Compilation GetCompilation()
         protected void AddAssemblyLink(IAssemblySymbol assemblySymbol)
         {
             var name = assemblySymbol.Identity.Name;
-            var navInfo = _libraryManager.NavInfoFactory.CreateForAssembly(assemblySymbol);
+            var navInfo = _libraryManager.LibraryService.NavInfo.CreateForAssembly(assemblySymbol);
 
             _description.AddDescriptionText3(name, VSOBDESCRIPTIONSECTION.OBDS_TYPE, navInfo);
         }
@@ -82,7 +82,7 @@ protected void AddNamespaceLink(INamespaceSymbol namespaceSymbol)
             }
 
             var text = namespaceSymbol.ToDisplayString();
-            var navInfo = _libraryManager.NavInfoFactory.CreateForNamespace(namespaceSymbol, _project, GetCompilation(), useExpandedHierarchy: false);
+            var navInfo = _libraryManager.LibraryService.NavInfo.CreateForNamespace(namespaceSymbol, _project, GetCompilation(), useExpandedHierarchy: false);
 
             _description.AddDescriptionText3(text, VSOBDESCRIPTIONSECTION.OBDS_TYPE, navInfo);
         }
@@ -131,7 +131,7 @@ protected void AddTypeLink(ITypeSymbol typeSymbol, LinkFlags flags)
                 miscellaneousOptions: miscellaneousOptions);
 
             var text = typeSymbol.ToDisplayString(typeDisplayFormat);
-            var navInfo = _libraryManager.NavInfoFactory.CreateForType(typeSymbol, _project, GetCompilation(), useExpandedHierarchy: false);
+            var navInfo = _libraryManager.LibraryService.NavInfo.CreateForType(typeSymbol, _project, GetCompilation(), useExpandedHierarchy: false);
 
             _description.AddDescriptionText3(text, VSOBDESCRIPTIONSECTION.OBDS_TYPE, navInfo);
         }

src/VisualStudio/Core/Def/Implementation/Library/ObjectBrowser/AbstractObjectBrowserLibraryManager.cs

@@ -7,7 +7,6 @@
 using Microsoft.CodeAnalysis;
 using Microsoft.VisualStudio.ComponentModelHost;
 using Microsoft.VisualStudio.LanguageServices.Implementation.Library.ObjectBrowser.Lists;
-using Microsoft.VisualStudio.LanguageServices.Implementation.Library.VsNavInfo;
 using Microsoft.VisualStudio.OLE.Interop;
 using Microsoft.VisualStudio.Shell;
 using Microsoft.VisualStudio.Shell.Interop;
@@ -19,9 +18,8 @@ namespace Microsoft.VisualStudio.LanguageServices.Implementation.Library.ObjectB
 {
     internal abstract partial class AbstractObjectBrowserLibraryManager : AbstractLibraryManager, IDisposable
     {
-        internal NavInfoFactory NavInfoFactory { get; }
-
         internal readonly VisualStudioWorkspace Workspace;
+        internal readonly ILibraryService LibraryService;
 
         private readonly string _languageName;
         private readonly __SymbolToolLanguage _preferredLanguage;
@@ -39,10 +37,10 @@ protected AbstractObjectBrowserLibraryManager(string languageName, Guid libraryG
         {
             _languageName = languageName;
             _preferredLanguage = preferredLanguage;
-            NavInfoFactory = new NavInfoFactory(libraryGuid, preferredLanguage);
 
             var componentModel = (IComponentModel)serviceProvider.GetService(typeof(SComponentModel));
             this.Workspace = componentModel.GetService<VisualStudioWorkspace>();
+            this.LibraryService = this.Workspace.Services.GetLanguageServices(languageName).GetService<ILibraryService>();
             this.Workspace.WorkspaceChanged += OnWorkspaceChanged;
         }
 
@@ -401,7 +399,7 @@ protected override int CreateNavInfo(SYMBOL_DESCRIPTION_NODE[] rgSymbolNodes, ui
             SharedPools.Default<StringBuilder>().ClearAndFree(className);
 
             // TODO: Make sure we pass the right value for Visual Basic.
-            ppNavInfo = NavInfoFactory.Create(libraryName, referenceOwnerName, namespaceName.ToString(), className.ToString(), memberName);
+            ppNavInfo = this.LibraryService.NavInfo.Create(libraryName, referenceOwnerName, namespaceName.ToString(), className.ToString(), memberName);
 
             return VSConstants.S_OK;
         }
@@ -428,18 +426,18 @@ internal IVsNavInfo GetNavInfo(SymbolListItem symbolListItem, bool useExpandedHi
 
             if (symbolListItem is MemberListItem)
             {
-                return NavInfoFactory.CreateForMember(symbol, project, compilation, useExpandedHierarchy);
+                return this.LibraryService.NavInfo.CreateForMember(symbol, project, compilation, useExpandedHierarchy);
             }
             else if (symbolListItem is TypeListItem)
             {
-                return NavInfoFactory.CreateForType((INamedTypeSymbol)symbol, project, compilation, useExpandedHierarchy);
+                return this.LibraryService.NavInfo.CreateForType((INamedTypeSymbol)symbol, project, compilation, useExpandedHierarchy);
             }
             else if (symbolListItem is NamespaceListItem)
             {
-                return NavInfoFactory.CreateForNamespace((INamespaceSymbol)symbol, project, compilation, useExpandedHierarchy);
+                return this.LibraryService.NavInfo.CreateForNamespace((INamespaceSymbol)symbol, project, compilation, useExpandedHierarchy);
             }
 
-            return NavInfoFactory.CreateForProject(project);
+            return this.LibraryService.NavInfo.CreateForProject(project);
         }
 
         protected override bool TryQueryStatus(Guid commandGroup, uint commandId, ref OLECMDF commandFlags)

src/VisualStudio/Core/Def/Implementation/Library/ObjectBrowser/ObjectList.cs

@@ -564,14 +564,14 @@ protected override IVsNavInfo GetNavInfo(uint index)
                 var project = this.LibraryManager.GetProject(projectListItem.ProjectId);
                 if (project != null)
                 {
-                    return this.LibraryManager.NavInfoFactory.CreateForProject(project);
+                    return this.LibraryManager.LibraryService.NavInfo.CreateForProject(project);
                 }
             }
 
             var referenceListItem = listItem as ReferenceListItem;
             if (referenceListItem != null)
             {
-                return this.LibraryManager.NavInfoFactory.CreateForReference(referenceListItem.MetadataReference);
+                return this.LibraryManager.LibraryService.NavInfo.CreateForReference(referenceListItem.MetadataReference);
             }
 
             var symbolListItem = listItem as SymbolListItem;

src/VisualStudio/Core/Def/ServicesVisualStudio.csproj

@@ -44,9 +44,11 @@
     <Compile Include="Implementation\AnalyzerDependency\IBindingRedirectionService.cs" />
     <Compile Include="Implementation\Interop\CleanableWeakComHandleTable.cs" />
     <Compile Include="Implementation\LanguageService\AbstractLanguageService`2.IVsLanguageBlock.cs" />
+    <Compile Include="Implementation\Library\AbstractLibraryService.cs" />
     <Compile Include="Implementation\Library\FindResults\TreeItems\AbstractSourceTreeItem.cs" />
     <Compile Include="Implementation\Library\FindResults\TreeItems\MetadataDefinitionTreeItem.cs" />
     <Compile Include="Implementation\Library\FindResults\TreeItems\SourceDefinitionTreeItem.cs" />
+    <Compile Include="Implementation\Library\ILibraryService.cs" />
     <Compile Include="Implementation\Library\VsNavInfo\NavInfoNodeEnum.cs" />
     <Compile Include="Implementation\Library\VsNavInfo\Extensions.cs" />
     <Compile Include="Implementation\Library\VsNavInfo\NavInfo.cs" />

src/VisualStudio/VisualBasic/Impl/BasicVisualStudio.vbproj

@@ -127,6 +127,8 @@
     <Compile Include="ObjectBrowser\DescriptionBuilder.vb" />
     <Compile Include="ObjectBrowser\ListItemFactory.vb" />
     <Compile Include="ObjectBrowser\ObjectBrowserLibraryManager.vb" />
+    <Compile Include="ObjectBrowser\VisualBasicLibraryService.vb" />
+    <Compile Include="ObjectBrowser\VisualBasicLibraryServiceFactory.vb" />
     <Compile Include="Options\AdvancedOptionPageStrings.vb" />
     <Compile Include="Options\AutomationObject.vb" />
     <Compile Include="Options\VisualBasicLanguageSettingsSerializer.vb" />
@@ -293,4 +295,4 @@
   <ImportGroup Label="Targets">
     <Import Project="..\..\..\..\build\Targets\VSL.Imports.targets" />
   </ImportGroup>
-</Project>
+</Project>
\ No newline at end of file

src/VisualStudio/VisualBasic/Impl/ObjectBrowser/VisualBasicLibraryService.vb

+' Copyright (c) Microsoft.  All Rights Reserved.  Licensed under the Apache License, Version 2.0.  See License.txt in the project root for license information.
+
+Imports Microsoft.VisualStudio.LanguageServices.Implementation.Library
+Imports Microsoft.VisualStudio.Shell.Interop
+
+Namespace Microsoft.VisualStudio.LanguageServices.VisualBasic.ObjectBrowser
+    Friend Class VisualBasicLibraryService
+        Inherits AbstractLibraryService
+
+        Public Sub New()
+            MyBase.New(Guids.VisualBasicLibraryId, __SymbolToolLanguage.SymbolToolLanguage_VB)
+        End Sub
+    End Class
+End Namespace

src/VisualStudio/VisualBasic/Impl/ObjectBrowser/VisualBasicLibraryServiceFactory.vb

+' Copyright (c) Microsoft.  All Rights Reserved.  Licensed under the Apache License, Version 2.0.  See License.txt in the project root for license information.
+
+Imports System.Composition
+Imports Microsoft.CodeAnalysis
+Imports Microsoft.CodeAnalysis.Host
+Imports Microsoft.CodeAnalysis.Host.Mef
+Imports Microsoft.VisualStudio.LanguageServices.Implementation.Library
+
+Namespace Microsoft.VisualStudio.LanguageServices.VisualBasic.ObjectBrowser
+    <ExportLanguageServiceFactory(GetType(ILibraryService), LanguageNames.VisualBasic), [Shared]>
+    Friend Class VisualBasicLibraryServiceFactory
+        Implements ILanguageServiceFactory
+
+        Public Function CreateLanguageService(languageServices As HostLanguageServices) As ILanguageService Implements ILanguageServiceFactory.CreateLanguageService
+            Return New VisualBasicLibraryService()
+        End Function
+    End Class
+End Namespace
\ No newline at end of file