diff --git a/docs/ide/test-plans/source-generators.md b/docs/ide/test-plans/source-generators.md
new file mode 100644
index 0000000000000000000000000000000000000000..969370755a3b3d119f1c399993302ff10b36dc0a
--- /dev/null
+++ b/docs/ide/test-plans/source-generators.md
@@ -0,0 +1,34 @@
+## Features Opening New Windows
+
+1. Locate a use of a generated symbol in the project, and invoke Go to Definition.
+   - [ ] It works.
+2. Locate a use of a generated symbol in the project, and invoke Go to Implementation.
+   - [ ] It works.
+3. Locate a use of a generated symbol in the project, and invoke Find References.
+   - [ ] References to the generated symbol in regular code are located.
+   - [ ] References to the generated symbol in generated code are located.
+
+## Features That Are Blocked
+
+1. Locate a use of a generated method in a project, and invoke Rename with Ctrl+R Ctrl+R.
+   - [ ] It should be blocked.
+2. Locate a use of a generated method in a project, change the name at the use site.
+   - [ ] **[NOT WORKING YET]** Rename tracking should not trigger.
+
+## Navigating within a Generated Document
+
+1. Invoke Go to Definition on a generated symbol to open a source generated file.
+   - [ ] **[NOT WORKING YET]** The navigation bar on the top of the file shows the project that contains the generated source
+2. Invoke Find References on the symbol we navigated to.
+   - [ ] **[NOT WORKING YET]** The original reference should appear in find references.
+3. Click on some symbol used more than once in a generated file.
+   - [ ] Highlight references should highlight all uses in the file.
+
+## Window > New Window Support
+
+1. Invoke Go to Definition to open a source-generated file. Then do Window > New Window to ensure that the new window is set up correctly.
+   - [ ] It's read only.
+   - [ ] The title and caption are correct.
+2. Remove the source generator from the project.
+   - [ ] Confirm the first window correctly gets an info bar showing the file is no longer valid.
+   - [ ] Confirm the second window correctly gets an info bar showing the file is no longer valid.
diff --git a/src/Compilers/Core/Portable/InternalUtilities/EnumerableExtensions.cs b/src/Compilers/Core/Portable/InternalUtilities/EnumerableExtensions.cs
index a4e82f2b8da87664ffc8a375f2f348e77a82b45f..9928a48d8afeb8446932d0db1004002c4cdfdc2a 100644
--- a/src/Compilers/Core/Portable/InternalUtilities/EnumerableExtensions.cs
+++ b/src/Compilers/Core/Portable/InternalUtilities/EnumerableExtensions.cs
@@ -169,6 +169,17 @@ public static IReadOnlyCollection<T> ToCollection<T>(this IEnumerable<T> sequenc
             return source.Cast<T?>().LastOrDefault();
         }
 
+        public static T? SingleOrNull<T>(this IEnumerable<T> source, Func<T, bool> predicate)
+            where T : struct
+        {
+            if (source == null)
+            {
+                throw new ArgumentNullException(nameof(source));
+            }
+
+            return source.Cast<T?>().SingleOrDefault(v => predicate(v!.Value));
+        }
+
         public static bool IsSingle<T>(this IEnumerable<T> list)
         {
             using var enumerator = list.GetEnumerator();
diff --git a/src/EditorFeatures/Core/FindUsages/IDefinitionsAndReferencesFactory.cs b/src/EditorFeatures/Core/FindUsages/IDefinitionsAndReferencesFactory.cs
index 3b6ca9de3d82401773f6045a0d60730a2cf98511..f8727cf83a28c0be583c8cc1a9cbffd3e63f0a2f 100644
--- a/src/EditorFeatures/Core/FindUsages/IDefinitionsAndReferencesFactory.cs
+++ b/src/EditorFeatures/Core/FindUsages/IDefinitionsAndReferencesFactory.cs
@@ -17,6 +17,7 @@
 using Microsoft.CodeAnalysis.Host.Mef;
 using Microsoft.CodeAnalysis.PooledObjects;
 using Microsoft.CodeAnalysis.Shared.Extensions;
+using Microsoft.CodeAnalysis.Utilities;
 using Roslyn.Utilities;
 
 namespace Microsoft.CodeAnalysis.Editor.FindUsages
@@ -146,6 +147,22 @@ internal static class DefinitionItemExtensions
 
                             sourceLocations.Add(documentLocation);
                         }
+                        else
+                        {
+                            // Was this a source generated tree? If so, we don't have a document representaion (yet) so
+                            // we'll create a metadata symbol which will later be handled by the symbol navigation service
+                            // that way. Once we represent generated source trees as propery documents, we'll update the code above
+                            // to correctly make this item.
+                            var project = solution.GetOriginatingProject(definition);
+                            var generatorRunResult = await project.GetGeneratorDriverRunResultAsync(cancellationToken).ConfigureAwait(false);
+
+                            if (generatorRunResult.TryGetGeneratorAndHint(location.SourceTree, out _, out _))
+                            {
+                                return DefinitionItem.CreateMetadataDefinition(
+                                    tags, displayParts, nameDisplayParts, solution,
+                                    definition, properties, displayIfNoReferences);
+                            }
+                        }
                     }
                 }
             }
diff --git a/src/VisualStudio/Core/Def/Implementation/Workspace/SourceGeneratedFileManager.cs b/src/VisualStudio/Core/Def/Implementation/Workspace/SourceGeneratedFileManager.cs
new file mode 100644
index 0000000000000000000000000000000000000000..cfde05f4b6a91a051c3cb1671e2409dbdc5d056a
--- /dev/null
+++ b/src/VisualStudio/Core/Def/Implementation/Workspace/SourceGeneratedFileManager.cs
@@ -0,0 +1,423 @@
+// 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.
+
+#nullable enable
+
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.Composition;
+using System.Diagnostics.CodeAnalysis;
+using System.IO;
+using System.Threading;
+using System.Threading.Tasks;
+using Microsoft.CodeAnalysis;
+using Microsoft.CodeAnalysis.Editor.Shared.Utilities;
+using Microsoft.CodeAnalysis.Host.Mef;
+using Microsoft.CodeAnalysis.Text;
+using Microsoft.CodeAnalysis.Text.Shared.Extensions;
+using Microsoft.VisualStudio.Editor;
+using Microsoft.VisualStudio.Imaging;
+using Microsoft.VisualStudio.Imaging.Interop;
+using Microsoft.VisualStudio.LanguageServices.Implementation.ProjectSystem;
+using Microsoft.VisualStudio.Shell;
+using Microsoft.VisualStudio.Shell.Interop;
+using Microsoft.VisualStudio.Text;
+using Microsoft.VisualStudio.Threading;
+using Roslyn.Utilities;
+using Task = System.Threading.Tasks.Task;
+
+namespace Microsoft.VisualStudio.LanguageServices.Implementation
+{
+    /// <summary>
+    /// Provides the support for opening files pointing to source generated documents, and keeping the content updated accordingly.
+    /// </summary>
+    [Export(typeof(SourceGeneratedFileManager))]
+    internal sealed class SourceGeneratedFileManager : IRunningDocumentTableEventListener
+    {
+        private readonly IServiceProvider _serviceProvider;
+        private readonly IThreadingContext _threadingContext;
+        private readonly IVsRunningDocumentTable _runningDocumentTable;
+        private readonly ITextDocumentFactoryService _textDocumentFactoryService;
+
+        private readonly RunningDocumentTableEventTracker _runningDocumentTableEventTracker;
+
+        /// <summary>
+        /// The temporary directory that we'll create file names under to act as a prefix we can later recognize and use.
+        /// </summary>
+        private readonly string _temporaryDirectory;
+
+        /// <summary>
+        /// Map of currently open generated files; the key is the generated full file path.
+        /// </summary>
+        private readonly Dictionary<string, OpenSourceGeneratedFile> _openFiles = new Dictionary<string, OpenSourceGeneratedFile>();
+        private readonly VisualStudioWorkspace _visualStudioWorkspace;
+
+        [ImportingConstructor]
+        [Obsolete(MefConstruction.ImportingConstructorMessage, error: true)]
+        public SourceGeneratedFileManager(
+            [Import(typeof(SVsServiceProvider))] IServiceProvider serviceProvider,
+            IThreadingContext threadingContext,
+            IVsEditorAdaptersFactoryService editorAdaptersFactoryService,
+            ITextDocumentFactoryService textDocumentFactoryService,
+            VisualStudioWorkspace visualStudioWorkspace)
+        {
+            _serviceProvider = serviceProvider;
+            _threadingContext = threadingContext;
+            _textDocumentFactoryService = textDocumentFactoryService;
+            _temporaryDirectory = Path.Combine(Path.GetTempPath(), "VisualStudioSourceGeneratedDocuments");
+            _visualStudioWorkspace = visualStudioWorkspace;
+
+            Directory.CreateDirectory(_temporaryDirectory);
+
+            // The IVsRunningDocumentTable is a free-threaded VS service that allows fetching of the service and advising events
+            // to be done without implicitly marshalling to the UI thread.
+            _runningDocumentTable = _serviceProvider.GetService<SVsRunningDocumentTable, IVsRunningDocumentTable>();
+            _runningDocumentTableEventTracker = new RunningDocumentTableEventTracker(
+                threadingContext,
+                editorAdaptersFactoryService,
+                _runningDocumentTable,
+                this);
+        }
+
+        public void NavigateToSourceGeneratedFile(Project project, ISourceGenerator generator, string generatedSourceHintName, TextSpan sourceSpan)
+        {
+            // We will create an file name to represent this generated file; the Visual Studio shell APIs imply you can use a URI,
+            // but most URIs are blocked other than file:// and http://; they also get extra handling to attempt to download the file so
+            // those aren't really usable anyways.
+
+            // We put all the files related to the same project in a single directory
+            var generatorType = generator.GetType();
+            var projectDirectory = Path.Combine(_temporaryDirectory, project.Id.Id.ToString());
+            Directory.CreateDirectory(projectDirectory);
+
+            // The file name we generate here is chosen to match the compiler's choice, so the debugger can recognize the files should match.
+            // This can only be changed if the compiler changes the algorithm as well.
+            var temporaryFilePath = Path.Combine(projectDirectory, $"{generatorType.Module.ModuleVersionId}_{generatorType.FullName}_{generatedSourceHintName}");
+            File.WriteAllText(temporaryFilePath, "");
+
+            var openDocumentService = _serviceProvider.GetService<SVsUIShellOpenDocument, IVsUIShellOpenDocument>();
+            var hr = openDocumentService.OpenDocumentViaProject(
+                temporaryFilePath,
+                VSConstants.LOGVIEWID.TextView_guid,
+                out _,
+                out _,
+                out _,
+                out var windowFrame);
+
+            if (ErrorHandler.Succeeded(hr) && windowFrame != null)
+            {
+                windowFrame.Show();
+            }
+        }
+
+        public bool TryParseGeneratedFilePath(
+            string filePath,
+            [NotNullWhen(true)] out ProjectId? projectId,
+            [NotNullWhen(true)] out string? generatorTypeName,
+            [NotNullWhen(true)] out string? generatedSourceHintName)
+        {
+            if (!filePath.StartsWith(_temporaryDirectory))
+            {
+                projectId = null;
+                generatorTypeName = null;
+                generatedSourceHintName = null;
+                return false;
+            }
+
+            string fileName = Path.GetFileName(filePath);
+            string[] parts = fileName.Split(new[] { '_' }, count: 3);
+
+            generatorTypeName = parts[1];
+            generatedSourceHintName = parts[2];
+
+            projectId = ProjectId.CreateFromSerialized(Guid.Parse(new FileInfo(filePath).Directory.Name));
+
+            return true;
+        }
+
+        void IRunningDocumentTableEventListener.OnOpenDocument(string moniker, ITextBuffer textBuffer, IVsHierarchy? hierarchy, IVsWindowFrame? windowFrame)
+        {
+            if (TryParseGeneratedFilePath(moniker, out var projectId, out var generatorTypeName, out var generatedSourceHintName))
+            {
+                // Attach to the text buffer if we haven't already
+                if (!_openFiles.TryGetValue(moniker, out OpenSourceGeneratedFile openFile))
+                {
+                    openFile = new OpenSourceGeneratedFile(this, textBuffer, _visualStudioWorkspace, projectId, generatorTypeName, generatedSourceHintName, _threadingContext);
+                    _openFiles.Add(moniker, openFile);
+                    _threadingContext.JoinableTaskFactory.Run(() => openFile.UpdateBufferContentsAsync(CancellationToken.None));
+
+                    // Update the RDT flags to ensure the file can't be saved or appears in any MRUs as it's a temporary generated file name.
+                    var cookie = ((IVsRunningDocumentTable4)_runningDocumentTable).GetDocumentCookie(moniker);
+                    ErrorHandler.ThrowOnFailure(_runningDocumentTable.ModifyDocumentFlags(cookie, (uint)(_VSRDTFLAGS.RDT_CantSave | _VSRDTFLAGS.RDT_DontAddToMRU), fSet: 1));
+                }
+
+                if (windowFrame != null)
+                {
+                    openFile.SetWindowFrame(windowFrame);
+                }
+            }
+        }
+
+        void IRunningDocumentTableEventListener.OnCloseDocument(string moniker)
+        {
+            if (_openFiles.TryGetValue(moniker, out var openFile))
+            {
+                openFile.Dispose();
+                _openFiles.Remove(moniker);
+            }
+        }
+
+        void IRunningDocumentTableEventListener.OnRefreshDocumentContext(string moniker, IVsHierarchy hierarchy)
+        {
+        }
+
+        void IRunningDocumentTableEventListener.OnRenameDocument(string newMoniker, string oldMoniker, ITextBuffer textBuffer)
+        {
+        }
+
+        private class OpenSourceGeneratedFile : ForegroundThreadAffinitizedObject, IDisposable
+        {
+            private readonly SourceGeneratedFileManager _fileManager;
+            private readonly ITextBuffer _textBuffer;
+            private readonly Workspace _workspace;
+            private readonly ProjectId _projectId;
+            private readonly string _generatorTypeName;
+            private readonly string _generatedSourceHintName;
+
+            /// <summary>
+            /// A read-only region that we create across the entire file to prevent edits unless we are the one making them.
+            /// It's a dynamic read-only region that will allow edits if <see cref="_updatingBuffer"/> is set.
+            /// </summary>
+            private readonly IReadOnlyRegion _readOnlyRegion;
+            private bool _updatingBuffer = false;
+
+            /// <summary>
+            /// A cancellation token used for any background updating of this file; this is cancelled on the UI thread
+            /// when the file is closed.
+            /// </summary>
+            private readonly CancellationTokenSource _cancellationTokenSource = new CancellationTokenSource();
+
+            /// <summary>
+            /// A queue used to batch updates to the file.
+            /// </summary>
+            private readonly AsyncBatchingDelay _batchingWorkQueue;
+
+            /// <summary>
+            /// The <see cref="IVsWindowFrame"/> of the active window. This may be null if we're in the middle of construction and
+            /// we haven't been given it yet.
+            /// </summary>
+            private IVsWindowFrame? _windowFrame;
+
+            private string? _windowFrameMessageToShow = null;
+            private ImageMoniker _windowFrameImageMonikerToShow = default;
+            private string? _currentWindowFrameMessage = null;
+            private ImageMoniker _currentWindowFrameImageMoniker = default;
+            private IVsInfoBarUIElement? _currentWindowFrameInfoBarElement = null;
+
+            public OpenSourceGeneratedFile(SourceGeneratedFileManager fileManager, ITextBuffer textBuffer, Workspace workspace, ProjectId projectId, string generatorTypeName, string generatedSourceHintName, IThreadingContext threadingContext)
+                : base(threadingContext, assertIsForeground: true)
+            {
+                _fileManager = fileManager;
+                _textBuffer = textBuffer;
+                _workspace = workspace;
+                _projectId = projectId;
+                _generatorTypeName = generatorTypeName;
+                _generatedSourceHintName = generatedSourceHintName;
+
+                // We'll create a read-only region for the file, but it'll be a dynamic region we can temporarily suspend
+                // while we're doing edits.
+                using (var readOnlyRegionEdit = _textBuffer.CreateReadOnlyRegionEdit())
+                {
+                    _readOnlyRegion = readOnlyRegionEdit.CreateDynamicReadOnlyRegion(
+                        _textBuffer.CurrentSnapshot.GetFullSpan(),
+                        SpanTrackingMode.EdgeInclusive,
+                        EdgeInsertionMode.Deny,
+                        callback: _ => !_updatingBuffer);
+
+                    readOnlyRegionEdit.Apply();
+                }
+
+                _workspace.WorkspaceChanged += OnWorkspaceChanged;
+
+                _batchingWorkQueue = new AsyncBatchingDelay(
+                    TimeSpan.FromSeconds(1),
+                    UpdateBufferContentsAsync,
+                    asyncListener: null,
+                    _cancellationTokenSource.Token);
+            }
+
+            public void Dispose()
+            {
+                using (var readOnlyRegionEdit = _textBuffer.CreateReadOnlyRegionEdit())
+                {
+                    readOnlyRegionEdit.RemoveReadOnlyRegion(_readOnlyRegion);
+                    readOnlyRegionEdit.Apply();
+                }
+
+                _workspace.WorkspaceChanged -= OnWorkspaceChanged;
+
+                // Cancel any remaining asynchronous work we may have had to update this file
+                _cancellationTokenSource.Cancel();
+            }
+
+            public async Task UpdateBufferContentsAsync(CancellationToken cancellationToken)
+            {
+                GeneratedSourceResult? generatedSource = null;
+                var project = _workspace.CurrentSolution.GetProject(_projectId);
+
+                // Locals correspond to the equivalently-named fields; we'll assign these and then assign to the fields while on the
+                // UI thread to avoid any potential race where we update the InfoBar while this is running.
+                string? windowFrameMessageToShow;
+                ImageMoniker windowFrameImageMonikerToShow;
+
+                if (project == null)
+                {
+                    windowFrameMessageToShow = "The project no longer exists.";
+                    windowFrameImageMonikerToShow = KnownMonikers.StatusError;
+                }
+                else
+                {
+
+                    var generatorDriverRunResults = await project.GetGeneratorDriverRunResultAsync(cancellationToken).ConfigureAwait(false);
+                    var generatorRunResult = generatorDriverRunResults?.Results.SingleOrNull(r => r.Generator.GetType().FullName == _generatorTypeName);
+
+                    if (generatorRunResult == null)
+                    {
+                        windowFrameMessageToShow = string.Format(ServicesVSResources.The_generator_0_that_generated_this_file_has_been_removed_from_the_project, _generatorTypeName);
+                        windowFrameImageMonikerToShow = KnownMonikers.StatusError;
+                    }
+                    else
+                    {
+                        generatedSource = generatorRunResult.Value.GeneratedSources.SingleOrNull(r => r.HintName == _generatedSourceHintName);
+
+                        if (generatedSource == null)
+                        {
+                            windowFrameMessageToShow = string.Format(ServicesVSResources.The_generator_0_that_generated_this_file_has_stopped_generating_this_file, _generatorTypeName);
+                            windowFrameImageMonikerToShow = KnownMonikers.StatusError;
+                        }
+                        else
+                        {
+                            windowFrameMessageToShow = string.Format(ServicesVSResources.This_file_is_autogenerated_by_0_and_cannot_be_edited, _generatorTypeName);
+                            windowFrameImageMonikerToShow = default;
+                        }
+                    }
+                }
+
+                await ThreadingContext.JoinableTaskFactory.SwitchToMainThreadAsync(cancellationToken);
+
+                _windowFrameMessageToShow = windowFrameMessageToShow;
+                _windowFrameImageMonikerToShow = windowFrameImageMonikerToShow;
+
+                // Update the text if we have new text
+                if (generatedSource.HasValue)
+                {
+                    try
+                    {
+                        // Allow us to do our own edits
+                        _updatingBuffer = true;
+
+                        // Ensure the encoding matches; this is necessary for debugger checksums to match what is in the PDB.
+                        if (_fileManager._textDocumentFactoryService.TryGetTextDocument(_textBuffer, out var textDocument))
+                        {
+                            textDocument.Encoding = generatedSource.Value.SourceText.Encoding;
+                        }
+
+                        // We'll ask the editor to do the diffing for us so updates don't refresh the entire buffer
+                        using (var edit = _textBuffer.CreateEdit(EditOptions.DefaultMinimalChange, reiteratedVersionNumber: null, editTag: null))
+                        {
+                            // TODO: make the edit in some nicer way than creating a massive string
+                            edit.Replace(startPosition: 0, _textBuffer.CurrentSnapshot.Length, generatedSource.Value.SourceText.ToString());
+                            edit.Apply();
+                        }
+                    }
+                    finally
+                    {
+                        _updatingBuffer = false;
+                    }
+                }
+
+                // Update the InfoBar either way
+                EnsureWindowFrameInfoBarUpdated();
+            }
+
+            private void OnWorkspaceChanged(object sender, WorkspaceChangeEventArgs e)
+            {
+                var oldProject = e.OldSolution.GetProject(_projectId);
+                var newProject = e.NewSolution.GetProject(_projectId);
+
+                if (oldProject != null && newProject != null)
+                {
+                    // We'll start this work asynchronously to figure out if we need to change; if the file is closed the cancellationToken
+                    // is triggered and this will no-op.
+                    Task.Run(async () =>
+                    {
+                        if (await oldProject.GetDependentVersionAsync(_cancellationTokenSource.Token).ConfigureAwait(false) !=
+                            await newProject.GetDependentVersionAsync(_cancellationTokenSource.Token).ConfigureAwait(false))
+                        {
+                            _batchingWorkQueue.RequeueWork();
+                        }
+                    }, _cancellationTokenSource.Token);
+                }
+            }
+
+            internal void SetWindowFrame(IVsWindowFrame windowFrame)
+            {
+                AssertIsForeground();
+
+                if (_windowFrame != null)
+                {
+                    // We already have a window frame, and we don't expect to get a second one
+                    return;
+                }
+
+                _windowFrame = windowFrame;
+
+                // We'll override the window frame and never show it as dirty, even if there's an underlying edit
+                windowFrame.SetProperty((int)__VSFPROPID2.VSFPROPID_OverrideDirtyState, false);
+                windowFrame.SetProperty((int)__VSFPROPID5.VSFPROPID_OverrideCaption, _generatedSourceHintName + " " + ServicesVSResources.generated_suffix);
+                windowFrame.SetProperty((int)__VSFPROPID5.VSFPROPID_OverrideToolTip, _generatedSourceHintName + " " + string.Format(ServicesVSResources.generated_by_0_suffix, _generatorTypeName));
+
+                EnsureWindowFrameInfoBarUpdated();
+            }
+
+            private void EnsureWindowFrameInfoBarUpdated()
+            {
+                AssertIsForeground();
+
+                if (_windowFrameMessageToShow == null ||
+                    _windowFrame == null ||
+                    _currentWindowFrameMessage == _windowFrameMessageToShow &&
+                    !_currentWindowFrameImageMoniker.Equals(_windowFrameImageMonikerToShow))
+                {
+                    // We don't have anything to do, or anything to do yet.
+                    return;
+                }
+
+                var infoBarFactory = (IVsInfoBarUIFactory)_fileManager._serviceProvider.GetService(typeof(SVsInfoBarUIFactory));
+                Assumes.Present(infoBarFactory);
+
+                if (ErrorHandler.Failed(_windowFrame.GetProperty((int)__VSFPROPID7.VSFPROPID_InfoBarHost, out var infoBarHostObject)) ||
+                    infoBarHostObject is not IVsInfoBarHost infoBarHost)
+                {
+                    return;
+                }
+
+                // Remove the existing bar
+                if (_currentWindowFrameInfoBarElement != null)
+                {
+                    infoBarHost.RemoveInfoBar(_currentWindowFrameInfoBarElement);
+                }
+
+                var infoBar = new InfoBarModel(_windowFrameMessageToShow, _windowFrameImageMonikerToShow, isCloseButtonVisible: false);
+                var infoBarUI = infoBarFactory.CreateInfoBar(infoBar);
+
+                infoBarHost.AddInfoBar(infoBarUI);
+
+                _currentWindowFrameMessage = _windowFrameMessageToShow;
+                _currentWindowFrameImageMoniker = _windowFrameImageMonikerToShow;
+                _currentWindowFrameInfoBarElement = infoBarUI;
+            }
+        }
+    }
+}
diff --git a/src/VisualStudio/Core/Def/Implementation/Workspace/VisualStudioSymbolNavigationService.cs b/src/VisualStudio/Core/Def/Implementation/Workspace/VisualStudioSymbolNavigationService.cs
index 88bcafeda8e4e7f29567edb302321dbabd95bb1b..56fec42a0d824cfe346676f4f9456c83dd7f51c3 100644
--- a/src/VisualStudio/Core/Def/Implementation/Workspace/VisualStudioSymbolNavigationService.cs
+++ b/src/VisualStudio/Core/Def/Implementation/Workspace/VisualStudioSymbolNavigationService.cs
@@ -22,6 +22,7 @@
 using Microsoft.CodeAnalysis.Options;
 using Microsoft.CodeAnalysis.Shared.Extensions;
 using Microsoft.CodeAnalysis.Text;
+using Microsoft.CodeAnalysis.Utilities;
 using Microsoft.VisualStudio.ComponentModelHost;
 using Microsoft.VisualStudio.Editor;
 using Microsoft.VisualStudio.LanguageServices.Implementation.Library;
@@ -39,6 +40,7 @@ internal partial class VisualStudioSymbolNavigationService : ForegroundThreadAff
         private readonly IServiceProvider _serviceProvider;
         private readonly IVsEditorAdaptersFactoryService _editorAdaptersFactory;
         private readonly IMetadataAsSourceFileService _metadataAsSourceFileService;
+        private readonly SourceGeneratedFileManager _sourceGeneratedFileManager;
 
         public VisualStudioSymbolNavigationService(
             SVsServiceProvider serviceProvider,
@@ -50,6 +52,7 @@ internal partial class VisualStudioSymbolNavigationService : ForegroundThreadAff
             var componentModel = _serviceProvider.GetService<SComponentModel, IComponentModel>();
             _editorAdaptersFactory = componentModel.GetService<IVsEditorAdaptersFactoryService>();
             _metadataAsSourceFileService = componentModel.GetService<IMetadataAsSourceFileService>();
+            _sourceGeneratedFileManager = componentModel.GetService<SourceGeneratedFileManager>();
         }
 
         public bool TryNavigateToSymbol(ISymbol symbol, Project project, OptionSet options, CancellationToken cancellationToken)
@@ -76,6 +79,17 @@ public bool TryNavigateToSymbol(ISymbol symbol, Project project, OptionSet optio
                     var navigationService = editorWorkspace.Services.GetRequiredService<IDocumentNavigationService>();
                     return navigationService.TryNavigateToSpan(editorWorkspace, targetDocument.Id, sourceLocation.SourceSpan, options);
                 }
+                else
+                {
+                    // This may be a file from a source generator; if so let's go to it instead
+                    var generatorRunResult = project.GetGeneratorDriverRunResultAsync(cancellationToken).WaitAndGetResult(cancellationToken);
+
+                    if (generatorRunResult.TryGetGeneratorAndHint(sourceLocation.SourceTree!, out var generator, out var hintName))
+                    {
+                        _sourceGeneratedFileManager.NavigateToSourceGeneratedFile(project, generator, hintName, sourceLocation.SourceSpan);
+                        return true;
+                    }
+                }
             }
 
             // We don't have a source document, so show the Metadata as Source view in a preview tab.
diff --git a/src/VisualStudio/Core/Def/ServicesVSResources.resx b/src/VisualStudio/Core/Def/ServicesVSResources.resx
index 4213e6275f72b401ccb0a25c63a775c64be076af..2cfd1136a4ff4700be98ba2d6c17c6b4342c60b5 100644
--- a/src/VisualStudio/Core/Def/ServicesVSResources.resx
+++ b/src/VisualStudio/Core/Def/ServicesVSResources.resx
@@ -1538,4 +1538,20 @@ I agree to all of the foregoing:</value>
   <data name="Extract_Base_Class" xml:space="preserve">
     <value>Extract Base Class</value>
   </data>
+  <data name="This_file_is_autogenerated_by_0_and_cannot_be_edited" xml:space="preserve">
+    <value>This file is auto-generated by the generator '{0}' and cannot be edited.</value>
+  </data>
+  <data name="generated_by_0_suffix" xml:space="preserve">
+    <value>[generated by {0}]</value>
+    <comment>{0} is the name of a generator.</comment>
+  </data>
+  <data name="generated_suffix" xml:space="preserve">
+    <value>[generated]</value>
+  </data>
+  <data name="The_generator_0_that_generated_this_file_has_been_removed_from_the_project" xml:space="preserve">
+    <value>The generator '{0}' that generated this file has been removed from the project; this file is no longer being included in your project.</value>
+  </data>
+  <data name="The_generator_0_that_generated_this_file_has_stopped_generating_this_file" xml:space="preserve">
+    <value>The generator '{0}' that generated this file has stopped generating this file; this file is no longer being included in your project.</value>
+  </data>
 </root>
\ No newline at end of file
diff --git a/src/VisualStudio/Core/Def/xlf/ServicesVSResources.cs.xlf b/src/VisualStudio/Core/Def/xlf/ServicesVSResources.cs.xlf
index 414ce43824770f929ec1bb2ada7b437766f146b3..27fa6d82c1d10c1c84eab7254afc73f73cd93c16 100644
--- a/src/VisualStudio/Core/Def/xlf/ServicesVSResources.cs.xlf
+++ b/src/VisualStudio/Core/Def/xlf/ServicesVSResources.cs.xlf
@@ -777,6 +777,21 @@
         <target state="translated">Cílový obor názvů:</target>
         <note />
       </trans-unit>
+      <trans-unit id="The_generator_0_that_generated_this_file_has_been_removed_from_the_project">
+        <source>The generator '{0}' that generated this file has been removed from the project; this file is no longer being included in your project.</source>
+        <target state="new">The generator '{0}' that generated this file has been removed from the project; this file is no longer being included in your project.</target>
+        <note />
+      </trans-unit>
+      <trans-unit id="The_generator_0_that_generated_this_file_has_stopped_generating_this_file">
+        <source>The generator '{0}' that generated this file has stopped generating this file; this file is no longer being included in your project.</source>
+        <target state="new">The generator '{0}' that generated this file has stopped generating this file; this file is no longer being included in your project.</target>
+        <note />
+      </trans-unit>
+      <trans-unit id="This_file_is_autogenerated_by_0_and_cannot_be_edited">
+        <source>This file is auto-generated by the generator '{0}' and cannot be edited.</source>
+        <target state="new">This file is auto-generated by the generator '{0}' and cannot be edited.</target>
+        <note />
+      </trans-unit>
       <trans-unit id="This_is_an_invalid_namespace">
         <source>This is an invalid namespace</source>
         <target state="translated">Toto je neplatný obor názvů.</target>
@@ -1017,6 +1032,16 @@
         <target state="translated">{0} se změní na veřejný.</target>
         <note />
       </trans-unit>
+      <trans-unit id="generated_by_0_suffix">
+        <source>[generated by {0}]</source>
+        <target state="new">[generated by {0}]</target>
+        <note>{0} is the name of a generator.</note>
+      </trans-unit>
+      <trans-unit id="generated_suffix">
+        <source>[generated]</source>
+        <target state="new">[generated]</target>
+        <note />
+      </trans-unit>
       <trans-unit id="given_workspace_doesn_t_support_undo">
         <source>given workspace doesn't support undo</source>
         <target state="translated">Daný pracovní prostor nepodporuje vrácení akce zpátky.</target>
diff --git a/src/VisualStudio/Core/Def/xlf/ServicesVSResources.de.xlf b/src/VisualStudio/Core/Def/xlf/ServicesVSResources.de.xlf
index b5173720f2baadded7410dae348a42b376bafab2..82a392bcb98e07e413211e4600c934b1c3975b99 100644
--- a/src/VisualStudio/Core/Def/xlf/ServicesVSResources.de.xlf
+++ b/src/VisualStudio/Core/Def/xlf/ServicesVSResources.de.xlf
@@ -777,6 +777,21 @@
         <target state="translated">Zielnamespace:</target>
         <note />
       </trans-unit>
+      <trans-unit id="The_generator_0_that_generated_this_file_has_been_removed_from_the_project">
+        <source>The generator '{0}' that generated this file has been removed from the project; this file is no longer being included in your project.</source>
+        <target state="new">The generator '{0}' that generated this file has been removed from the project; this file is no longer being included in your project.</target>
+        <note />
+      </trans-unit>
+      <trans-unit id="The_generator_0_that_generated_this_file_has_stopped_generating_this_file">
+        <source>The generator '{0}' that generated this file has stopped generating this file; this file is no longer being included in your project.</source>
+        <target state="new">The generator '{0}' that generated this file has stopped generating this file; this file is no longer being included in your project.</target>
+        <note />
+      </trans-unit>
+      <trans-unit id="This_file_is_autogenerated_by_0_and_cannot_be_edited">
+        <source>This file is auto-generated by the generator '{0}' and cannot be edited.</source>
+        <target state="new">This file is auto-generated by the generator '{0}' and cannot be edited.</target>
+        <note />
+      </trans-unit>
       <trans-unit id="This_is_an_invalid_namespace">
         <source>This is an invalid namespace</source>
         <target state="translated">Dies ist ein ungültiger Namespace.</target>
@@ -1017,6 +1032,16 @@
         <target state="translated">"{0}" wird in öffentlichen Wert geändert.</target>
         <note />
       </trans-unit>
+      <trans-unit id="generated_by_0_suffix">
+        <source>[generated by {0}]</source>
+        <target state="new">[generated by {0}]</target>
+        <note>{0} is the name of a generator.</note>
+      </trans-unit>
+      <trans-unit id="generated_suffix">
+        <source>[generated]</source>
+        <target state="new">[generated]</target>
+        <note />
+      </trans-unit>
       <trans-unit id="given_workspace_doesn_t_support_undo">
         <source>given workspace doesn't support undo</source>
         <target state="translated">Der angegebene Arbeitsbereich unterstützt die Funktion "Rückgängig" nicht.</target>
diff --git a/src/VisualStudio/Core/Def/xlf/ServicesVSResources.es.xlf b/src/VisualStudio/Core/Def/xlf/ServicesVSResources.es.xlf
index b96ba3e025f80e6d91173428a14eae19a4f552e4..2af5a6fa9d84319fc56cebf95fae3ef667119b34 100644
--- a/src/VisualStudio/Core/Def/xlf/ServicesVSResources.es.xlf
+++ b/src/VisualStudio/Core/Def/xlf/ServicesVSResources.es.xlf
@@ -777,6 +777,21 @@
         <target state="translated">Espacio de nombres de destino:</target>
         <note />
       </trans-unit>
+      <trans-unit id="The_generator_0_that_generated_this_file_has_been_removed_from_the_project">
+        <source>The generator '{0}' that generated this file has been removed from the project; this file is no longer being included in your project.</source>
+        <target state="new">The generator '{0}' that generated this file has been removed from the project; this file is no longer being included in your project.</target>
+        <note />
+      </trans-unit>
+      <trans-unit id="The_generator_0_that_generated_this_file_has_stopped_generating_this_file">
+        <source>The generator '{0}' that generated this file has stopped generating this file; this file is no longer being included in your project.</source>
+        <target state="new">The generator '{0}' that generated this file has stopped generating this file; this file is no longer being included in your project.</target>
+        <note />
+      </trans-unit>
+      <trans-unit id="This_file_is_autogenerated_by_0_and_cannot_be_edited">
+        <source>This file is auto-generated by the generator '{0}' and cannot be edited.</source>
+        <target state="new">This file is auto-generated by the generator '{0}' and cannot be edited.</target>
+        <note />
+      </trans-unit>
       <trans-unit id="This_is_an_invalid_namespace">
         <source>This is an invalid namespace</source>
         <target state="translated">Este espacio de nombres no es válido</target>
@@ -1017,6 +1032,16 @@
         <target state="translated">"{0}" se cambiará a público.</target>
         <note />
       </trans-unit>
+      <trans-unit id="generated_by_0_suffix">
+        <source>[generated by {0}]</source>
+        <target state="new">[generated by {0}]</target>
+        <note>{0} is the name of a generator.</note>
+      </trans-unit>
+      <trans-unit id="generated_suffix">
+        <source>[generated]</source>
+        <target state="new">[generated]</target>
+        <note />
+      </trans-unit>
       <trans-unit id="given_workspace_doesn_t_support_undo">
         <source>given workspace doesn't support undo</source>
         <target state="translated">el área de trabajo determinada no permite deshacer</target>
diff --git a/src/VisualStudio/Core/Def/xlf/ServicesVSResources.fr.xlf b/src/VisualStudio/Core/Def/xlf/ServicesVSResources.fr.xlf
index 1fa458067c506bba32fcb3e66aa99e2ababdb053..0b9e344700d236f489e80920c0488a8a2840915c 100644
--- a/src/VisualStudio/Core/Def/xlf/ServicesVSResources.fr.xlf
+++ b/src/VisualStudio/Core/Def/xlf/ServicesVSResources.fr.xlf
@@ -777,6 +777,21 @@
         <target state="translated">Espace de noms cible :</target>
         <note />
       </trans-unit>
+      <trans-unit id="The_generator_0_that_generated_this_file_has_been_removed_from_the_project">
+        <source>The generator '{0}' that generated this file has been removed from the project; this file is no longer being included in your project.</source>
+        <target state="new">The generator '{0}' that generated this file has been removed from the project; this file is no longer being included in your project.</target>
+        <note />
+      </trans-unit>
+      <trans-unit id="The_generator_0_that_generated_this_file_has_stopped_generating_this_file">
+        <source>The generator '{0}' that generated this file has stopped generating this file; this file is no longer being included in your project.</source>
+        <target state="new">The generator '{0}' that generated this file has stopped generating this file; this file is no longer being included in your project.</target>
+        <note />
+      </trans-unit>
+      <trans-unit id="This_file_is_autogenerated_by_0_and_cannot_be_edited">
+        <source>This file is auto-generated by the generator '{0}' and cannot be edited.</source>
+        <target state="new">This file is auto-generated by the generator '{0}' and cannot be edited.</target>
+        <note />
+      </trans-unit>
       <trans-unit id="This_is_an_invalid_namespace">
         <source>This is an invalid namespace</source>
         <target state="translated">Ceci est un espace de noms non valide</target>
@@ -1017,6 +1032,16 @@
         <target state="translated">'{0}' va être changé en valeur publique.</target>
         <note />
       </trans-unit>
+      <trans-unit id="generated_by_0_suffix">
+        <source>[generated by {0}]</source>
+        <target state="new">[generated by {0}]</target>
+        <note>{0} is the name of a generator.</note>
+      </trans-unit>
+      <trans-unit id="generated_suffix">
+        <source>[generated]</source>
+        <target state="new">[generated]</target>
+        <note />
+      </trans-unit>
       <trans-unit id="given_workspace_doesn_t_support_undo">
         <source>given workspace doesn't support undo</source>
         <target state="translated">l'espace de travail donné ne prend pas en charge la fonction Annuler</target>
diff --git a/src/VisualStudio/Core/Def/xlf/ServicesVSResources.it.xlf b/src/VisualStudio/Core/Def/xlf/ServicesVSResources.it.xlf
index 594c2e762200c1709024fa21abc055b7a964a8fa..8a167fa48a10a2e4f59d5654184979e8e1c74df0 100644
--- a/src/VisualStudio/Core/Def/xlf/ServicesVSResources.it.xlf
+++ b/src/VisualStudio/Core/Def/xlf/ServicesVSResources.it.xlf
@@ -777,6 +777,21 @@
         <target state="translated">Spazio dei nomi di destinazione:</target>
         <note />
       </trans-unit>
+      <trans-unit id="The_generator_0_that_generated_this_file_has_been_removed_from_the_project">
+        <source>The generator '{0}' that generated this file has been removed from the project; this file is no longer being included in your project.</source>
+        <target state="new">The generator '{0}' that generated this file has been removed from the project; this file is no longer being included in your project.</target>
+        <note />
+      </trans-unit>
+      <trans-unit id="The_generator_0_that_generated_this_file_has_stopped_generating_this_file">
+        <source>The generator '{0}' that generated this file has stopped generating this file; this file is no longer being included in your project.</source>
+        <target state="new">The generator '{0}' that generated this file has stopped generating this file; this file is no longer being included in your project.</target>
+        <note />
+      </trans-unit>
+      <trans-unit id="This_file_is_autogenerated_by_0_and_cannot_be_edited">
+        <source>This file is auto-generated by the generator '{0}' and cannot be edited.</source>
+        <target state="new">This file is auto-generated by the generator '{0}' and cannot be edited.</target>
+        <note />
+      </trans-unit>
       <trans-unit id="This_is_an_invalid_namespace">
         <source>This is an invalid namespace</source>
         <target state="translated">Questo è uno spazio dei nomi non valido</target>
@@ -1017,6 +1032,16 @@
         <target state="translated">'{0}' verrà modificato in pubblico.</target>
         <note />
       </trans-unit>
+      <trans-unit id="generated_by_0_suffix">
+        <source>[generated by {0}]</source>
+        <target state="new">[generated by {0}]</target>
+        <note>{0} is the name of a generator.</note>
+      </trans-unit>
+      <trans-unit id="generated_suffix">
+        <source>[generated]</source>
+        <target state="new">[generated]</target>
+        <note />
+      </trans-unit>
       <trans-unit id="given_workspace_doesn_t_support_undo">
         <source>given workspace doesn't support undo</source>
         <target state="translated">l'area di lavoro specificata non supporta l'annullamento di operazioni</target>
diff --git a/src/VisualStudio/Core/Def/xlf/ServicesVSResources.ja.xlf b/src/VisualStudio/Core/Def/xlf/ServicesVSResources.ja.xlf
index dd22c780161a0b44c9f0cb050487d6d5d773ac4f..677df295548581f5ec273f91182abedfc345ffe2 100644
--- a/src/VisualStudio/Core/Def/xlf/ServicesVSResources.ja.xlf
+++ b/src/VisualStudio/Core/Def/xlf/ServicesVSResources.ja.xlf
@@ -777,6 +777,21 @@
         <target state="translated">ターゲット名前空間:</target>
         <note />
       </trans-unit>
+      <trans-unit id="The_generator_0_that_generated_this_file_has_been_removed_from_the_project">
+        <source>The generator '{0}' that generated this file has been removed from the project; this file is no longer being included in your project.</source>
+        <target state="new">The generator '{0}' that generated this file has been removed from the project; this file is no longer being included in your project.</target>
+        <note />
+      </trans-unit>
+      <trans-unit id="The_generator_0_that_generated_this_file_has_stopped_generating_this_file">
+        <source>The generator '{0}' that generated this file has stopped generating this file; this file is no longer being included in your project.</source>
+        <target state="new">The generator '{0}' that generated this file has stopped generating this file; this file is no longer being included in your project.</target>
+        <note />
+      </trans-unit>
+      <trans-unit id="This_file_is_autogenerated_by_0_and_cannot_be_edited">
+        <source>This file is auto-generated by the generator '{0}' and cannot be edited.</source>
+        <target state="new">This file is auto-generated by the generator '{0}' and cannot be edited.</target>
+        <note />
+      </trans-unit>
       <trans-unit id="This_is_an_invalid_namespace">
         <source>This is an invalid namespace</source>
         <target state="translated">これは無効な名前空間です</target>
@@ -1017,6 +1032,16 @@
         <target state="translated">'{0}' はパブリックに変更されます。</target>
         <note />
       </trans-unit>
+      <trans-unit id="generated_by_0_suffix">
+        <source>[generated by {0}]</source>
+        <target state="new">[generated by {0}]</target>
+        <note>{0} is the name of a generator.</note>
+      </trans-unit>
+      <trans-unit id="generated_suffix">
+        <source>[generated]</source>
+        <target state="new">[generated]</target>
+        <note />
+      </trans-unit>
       <trans-unit id="given_workspace_doesn_t_support_undo">
         <source>given workspace doesn't support undo</source>
         <target state="translated">指定されたワークスペースは元に戻す操作をサポートしていません</target>
diff --git a/src/VisualStudio/Core/Def/xlf/ServicesVSResources.ko.xlf b/src/VisualStudio/Core/Def/xlf/ServicesVSResources.ko.xlf
index 2402269309bbe81b4edeb527aad7dde0a73c1f7d..937ba4cd451d3b8562e9be445376b512fa30d092 100644
--- a/src/VisualStudio/Core/Def/xlf/ServicesVSResources.ko.xlf
+++ b/src/VisualStudio/Core/Def/xlf/ServicesVSResources.ko.xlf
@@ -777,6 +777,21 @@
         <target state="translated">대상 네임스페이스:</target>
         <note />
       </trans-unit>
+      <trans-unit id="The_generator_0_that_generated_this_file_has_been_removed_from_the_project">
+        <source>The generator '{0}' that generated this file has been removed from the project; this file is no longer being included in your project.</source>
+        <target state="new">The generator '{0}' that generated this file has been removed from the project; this file is no longer being included in your project.</target>
+        <note />
+      </trans-unit>
+      <trans-unit id="The_generator_0_that_generated_this_file_has_stopped_generating_this_file">
+        <source>The generator '{0}' that generated this file has stopped generating this file; this file is no longer being included in your project.</source>
+        <target state="new">The generator '{0}' that generated this file has stopped generating this file; this file is no longer being included in your project.</target>
+        <note />
+      </trans-unit>
+      <trans-unit id="This_file_is_autogenerated_by_0_and_cannot_be_edited">
+        <source>This file is auto-generated by the generator '{0}' and cannot be edited.</source>
+        <target state="new">This file is auto-generated by the generator '{0}' and cannot be edited.</target>
+        <note />
+      </trans-unit>
       <trans-unit id="This_is_an_invalid_namespace">
         <source>This is an invalid namespace</source>
         <target state="translated">잘못된 네임스페이스입니다.</target>
@@ -1017,6 +1032,16 @@
         <target state="translated">'{0}'이(가) 공용으로 변경됩니다.</target>
         <note />
       </trans-unit>
+      <trans-unit id="generated_by_0_suffix">
+        <source>[generated by {0}]</source>
+        <target state="new">[generated by {0}]</target>
+        <note>{0} is the name of a generator.</note>
+      </trans-unit>
+      <trans-unit id="generated_suffix">
+        <source>[generated]</source>
+        <target state="new">[generated]</target>
+        <note />
+      </trans-unit>
       <trans-unit id="given_workspace_doesn_t_support_undo">
         <source>given workspace doesn't support undo</source>
         <target state="translated">지정한 작업 영역에서 실행을 취소할 수 없습니다.</target>
diff --git a/src/VisualStudio/Core/Def/xlf/ServicesVSResources.pl.xlf b/src/VisualStudio/Core/Def/xlf/ServicesVSResources.pl.xlf
index 81361c69ef85688501e068d88829e0f5d5138733..82f18388671935b819f5ef1626aa40eaf722a946 100644
--- a/src/VisualStudio/Core/Def/xlf/ServicesVSResources.pl.xlf
+++ b/src/VisualStudio/Core/Def/xlf/ServicesVSResources.pl.xlf
@@ -777,6 +777,21 @@
         <target state="translated">Docelowa przestrzeń nazw:</target>
         <note />
       </trans-unit>
+      <trans-unit id="The_generator_0_that_generated_this_file_has_been_removed_from_the_project">
+        <source>The generator '{0}' that generated this file has been removed from the project; this file is no longer being included in your project.</source>
+        <target state="new">The generator '{0}' that generated this file has been removed from the project; this file is no longer being included in your project.</target>
+        <note />
+      </trans-unit>
+      <trans-unit id="The_generator_0_that_generated_this_file_has_stopped_generating_this_file">
+        <source>The generator '{0}' that generated this file has stopped generating this file; this file is no longer being included in your project.</source>
+        <target state="new">The generator '{0}' that generated this file has stopped generating this file; this file is no longer being included in your project.</target>
+        <note />
+      </trans-unit>
+      <trans-unit id="This_file_is_autogenerated_by_0_and_cannot_be_edited">
+        <source>This file is auto-generated by the generator '{0}' and cannot be edited.</source>
+        <target state="new">This file is auto-generated by the generator '{0}' and cannot be edited.</target>
+        <note />
+      </trans-unit>
       <trans-unit id="This_is_an_invalid_namespace">
         <source>This is an invalid namespace</source>
         <target state="translated">To jest nieprawidłowa przestrzeń nazw</target>
@@ -1017,6 +1032,16 @@
         <target state="translated">Element „{0}” zostanie zmieniony na publiczny.</target>
         <note />
       </trans-unit>
+      <trans-unit id="generated_by_0_suffix">
+        <source>[generated by {0}]</source>
+        <target state="new">[generated by {0}]</target>
+        <note>{0} is the name of a generator.</note>
+      </trans-unit>
+      <trans-unit id="generated_suffix">
+        <source>[generated]</source>
+        <target state="new">[generated]</target>
+        <note />
+      </trans-unit>
       <trans-unit id="given_workspace_doesn_t_support_undo">
         <source>given workspace doesn't support undo</source>
         <target state="translated">dany obszar roboczy nie obsługuje operacji cofania</target>
diff --git a/src/VisualStudio/Core/Def/xlf/ServicesVSResources.pt-BR.xlf b/src/VisualStudio/Core/Def/xlf/ServicesVSResources.pt-BR.xlf
index 3e6da477dcbc0e76d7448e1686d040fc490764ce..7d3309b8588852a76f21264aeab836da59136655 100644
--- a/src/VisualStudio/Core/Def/xlf/ServicesVSResources.pt-BR.xlf
+++ b/src/VisualStudio/Core/Def/xlf/ServicesVSResources.pt-BR.xlf
@@ -777,6 +777,21 @@
         <target state="translated">Namespace de Destino:</target>
         <note />
       </trans-unit>
+      <trans-unit id="The_generator_0_that_generated_this_file_has_been_removed_from_the_project">
+        <source>The generator '{0}' that generated this file has been removed from the project; this file is no longer being included in your project.</source>
+        <target state="new">The generator '{0}' that generated this file has been removed from the project; this file is no longer being included in your project.</target>
+        <note />
+      </trans-unit>
+      <trans-unit id="The_generator_0_that_generated_this_file_has_stopped_generating_this_file">
+        <source>The generator '{0}' that generated this file has stopped generating this file; this file is no longer being included in your project.</source>
+        <target state="new">The generator '{0}' that generated this file has stopped generating this file; this file is no longer being included in your project.</target>
+        <note />
+      </trans-unit>
+      <trans-unit id="This_file_is_autogenerated_by_0_and_cannot_be_edited">
+        <source>This file is auto-generated by the generator '{0}' and cannot be edited.</source>
+        <target state="new">This file is auto-generated by the generator '{0}' and cannot be edited.</target>
+        <note />
+      </trans-unit>
       <trans-unit id="This_is_an_invalid_namespace">
         <source>This is an invalid namespace</source>
         <target state="translated">Este é um namespace inválido</target>
@@ -1017,6 +1032,16 @@
         <target state="translated">'{0}' será alterado para público.</target>
         <note />
       </trans-unit>
+      <trans-unit id="generated_by_0_suffix">
+        <source>[generated by {0}]</source>
+        <target state="new">[generated by {0}]</target>
+        <note>{0} is the name of a generator.</note>
+      </trans-unit>
+      <trans-unit id="generated_suffix">
+        <source>[generated]</source>
+        <target state="new">[generated]</target>
+        <note />
+      </trans-unit>
       <trans-unit id="given_workspace_doesn_t_support_undo">
         <source>given workspace doesn't support undo</source>
         <target state="translated">o workspace fornecido não dá suporte a desfazer</target>
diff --git a/src/VisualStudio/Core/Def/xlf/ServicesVSResources.ru.xlf b/src/VisualStudio/Core/Def/xlf/ServicesVSResources.ru.xlf
index 9967f8929fb6d96aa435074bd5c9761486d79f88..4d8a9e8552acf30a0e0569a43b537571a12ad5f7 100644
--- a/src/VisualStudio/Core/Def/xlf/ServicesVSResources.ru.xlf
+++ b/src/VisualStudio/Core/Def/xlf/ServicesVSResources.ru.xlf
@@ -777,6 +777,21 @@
         <target state="translated">Целевое пространство имен:</target>
         <note />
       </trans-unit>
+      <trans-unit id="The_generator_0_that_generated_this_file_has_been_removed_from_the_project">
+        <source>The generator '{0}' that generated this file has been removed from the project; this file is no longer being included in your project.</source>
+        <target state="new">The generator '{0}' that generated this file has been removed from the project; this file is no longer being included in your project.</target>
+        <note />
+      </trans-unit>
+      <trans-unit id="The_generator_0_that_generated_this_file_has_stopped_generating_this_file">
+        <source>The generator '{0}' that generated this file has stopped generating this file; this file is no longer being included in your project.</source>
+        <target state="new">The generator '{0}' that generated this file has stopped generating this file; this file is no longer being included in your project.</target>
+        <note />
+      </trans-unit>
+      <trans-unit id="This_file_is_autogenerated_by_0_and_cannot_be_edited">
+        <source>This file is auto-generated by the generator '{0}' and cannot be edited.</source>
+        <target state="new">This file is auto-generated by the generator '{0}' and cannot be edited.</target>
+        <note />
+      </trans-unit>
       <trans-unit id="This_is_an_invalid_namespace">
         <source>This is an invalid namespace</source>
         <target state="translated">Это недопустимое пространство имен.</target>
@@ -1017,6 +1032,16 @@
         <target state="translated">Элемент "{0}" будет изменен на открытый.</target>
         <note />
       </trans-unit>
+      <trans-unit id="generated_by_0_suffix">
+        <source>[generated by {0}]</source>
+        <target state="new">[generated by {0}]</target>
+        <note>{0} is the name of a generator.</note>
+      </trans-unit>
+      <trans-unit id="generated_suffix">
+        <source>[generated]</source>
+        <target state="new">[generated]</target>
+        <note />
+      </trans-unit>
       <trans-unit id="given_workspace_doesn_t_support_undo">
         <source>given workspace doesn't support undo</source>
         <target state="translated">заданная рабочая область не поддерживает отмену.</target>
diff --git a/src/VisualStudio/Core/Def/xlf/ServicesVSResources.tr.xlf b/src/VisualStudio/Core/Def/xlf/ServicesVSResources.tr.xlf
index 1cd54f7ef7ef6d510d0200a6cd7ac462043f2090..78ca67678d848dd003ab8057b2c940c3aa3b6ff1 100644
--- a/src/VisualStudio/Core/Def/xlf/ServicesVSResources.tr.xlf
+++ b/src/VisualStudio/Core/Def/xlf/ServicesVSResources.tr.xlf
@@ -777,6 +777,21 @@
         <target state="translated">Hedef Ad Alanı:</target>
         <note />
       </trans-unit>
+      <trans-unit id="The_generator_0_that_generated_this_file_has_been_removed_from_the_project">
+        <source>The generator '{0}' that generated this file has been removed from the project; this file is no longer being included in your project.</source>
+        <target state="new">The generator '{0}' that generated this file has been removed from the project; this file is no longer being included in your project.</target>
+        <note />
+      </trans-unit>
+      <trans-unit id="The_generator_0_that_generated_this_file_has_stopped_generating_this_file">
+        <source>The generator '{0}' that generated this file has stopped generating this file; this file is no longer being included in your project.</source>
+        <target state="new">The generator '{0}' that generated this file has stopped generating this file; this file is no longer being included in your project.</target>
+        <note />
+      </trans-unit>
+      <trans-unit id="This_file_is_autogenerated_by_0_and_cannot_be_edited">
+        <source>This file is auto-generated by the generator '{0}' and cannot be edited.</source>
+        <target state="new">This file is auto-generated by the generator '{0}' and cannot be edited.</target>
+        <note />
+      </trans-unit>
       <trans-unit id="This_is_an_invalid_namespace">
         <source>This is an invalid namespace</source>
         <target state="translated">Bu geçersiz bir ad alanı</target>
@@ -1017,6 +1032,16 @@
         <target state="translated">'{0}' ortak olacak şekilde değiştirildi.</target>
         <note />
       </trans-unit>
+      <trans-unit id="generated_by_0_suffix">
+        <source>[generated by {0}]</source>
+        <target state="new">[generated by {0}]</target>
+        <note>{0} is the name of a generator.</note>
+      </trans-unit>
+      <trans-unit id="generated_suffix">
+        <source>[generated]</source>
+        <target state="new">[generated]</target>
+        <note />
+      </trans-unit>
       <trans-unit id="given_workspace_doesn_t_support_undo">
         <source>given workspace doesn't support undo</source>
         <target state="translated">sağlanan çalışma alanı, geri almayı desteklemiyor</target>
diff --git a/src/VisualStudio/Core/Def/xlf/ServicesVSResources.zh-Hans.xlf b/src/VisualStudio/Core/Def/xlf/ServicesVSResources.zh-Hans.xlf
index 4bc37389e47c00ebe3dc934a6f1cfd8fc5b25e8e..4eb77eec1b76889de30808dce7658d5d7918f8fb 100644
--- a/src/VisualStudio/Core/Def/xlf/ServicesVSResources.zh-Hans.xlf
+++ b/src/VisualStudio/Core/Def/xlf/ServicesVSResources.zh-Hans.xlf
@@ -777,6 +777,21 @@
         <target state="translated">目标命名空间:</target>
         <note />
       </trans-unit>
+      <trans-unit id="The_generator_0_that_generated_this_file_has_been_removed_from_the_project">
+        <source>The generator '{0}' that generated this file has been removed from the project; this file is no longer being included in your project.</source>
+        <target state="new">The generator '{0}' that generated this file has been removed from the project; this file is no longer being included in your project.</target>
+        <note />
+      </trans-unit>
+      <trans-unit id="The_generator_0_that_generated_this_file_has_stopped_generating_this_file">
+        <source>The generator '{0}' that generated this file has stopped generating this file; this file is no longer being included in your project.</source>
+        <target state="new">The generator '{0}' that generated this file has stopped generating this file; this file is no longer being included in your project.</target>
+        <note />
+      </trans-unit>
+      <trans-unit id="This_file_is_autogenerated_by_0_and_cannot_be_edited">
+        <source>This file is auto-generated by the generator '{0}' and cannot be edited.</source>
+        <target state="new">This file is auto-generated by the generator '{0}' and cannot be edited.</target>
+        <note />
+      </trans-unit>
       <trans-unit id="This_is_an_invalid_namespace">
         <source>This is an invalid namespace</source>
         <target state="translated">这是一个无效的命名空间</target>
@@ -1017,6 +1032,16 @@
         <target state="translated">“{0}”将更改为“公共”。</target>
         <note />
       </trans-unit>
+      <trans-unit id="generated_by_0_suffix">
+        <source>[generated by {0}]</source>
+        <target state="new">[generated by {0}]</target>
+        <note>{0} is the name of a generator.</note>
+      </trans-unit>
+      <trans-unit id="generated_suffix">
+        <source>[generated]</source>
+        <target state="new">[generated]</target>
+        <note />
+      </trans-unit>
       <trans-unit id="given_workspace_doesn_t_support_undo">
         <source>given workspace doesn't support undo</source>
         <target state="translated">给定的工作区不支持撤消</target>
diff --git a/src/VisualStudio/Core/Def/xlf/ServicesVSResources.zh-Hant.xlf b/src/VisualStudio/Core/Def/xlf/ServicesVSResources.zh-Hant.xlf
index 492c8ddefa99659e349dbc6f973480c8c6d77ebe..3829ad22d7d2c6fb6b8282a121dfb62d205ee056 100644
--- a/src/VisualStudio/Core/Def/xlf/ServicesVSResources.zh-Hant.xlf
+++ b/src/VisualStudio/Core/Def/xlf/ServicesVSResources.zh-Hant.xlf
@@ -777,6 +777,21 @@
         <target state="translated">目標命名空間:</target>
         <note />
       </trans-unit>
+      <trans-unit id="The_generator_0_that_generated_this_file_has_been_removed_from_the_project">
+        <source>The generator '{0}' that generated this file has been removed from the project; this file is no longer being included in your project.</source>
+        <target state="new">The generator '{0}' that generated this file has been removed from the project; this file is no longer being included in your project.</target>
+        <note />
+      </trans-unit>
+      <trans-unit id="The_generator_0_that_generated_this_file_has_stopped_generating_this_file">
+        <source>The generator '{0}' that generated this file has stopped generating this file; this file is no longer being included in your project.</source>
+        <target state="new">The generator '{0}' that generated this file has stopped generating this file; this file is no longer being included in your project.</target>
+        <note />
+      </trans-unit>
+      <trans-unit id="This_file_is_autogenerated_by_0_and_cannot_be_edited">
+        <source>This file is auto-generated by the generator '{0}' and cannot be edited.</source>
+        <target state="new">This file is auto-generated by the generator '{0}' and cannot be edited.</target>
+        <note />
+      </trans-unit>
       <trans-unit id="This_is_an_invalid_namespace">
         <source>This is an invalid namespace</source>
         <target state="translated">這是無效的命名空間</target>
@@ -1017,6 +1032,16 @@
         <target state="translated">'{0}' 會變更為公用。</target>
         <note />
       </trans-unit>
+      <trans-unit id="generated_by_0_suffix">
+        <source>[generated by {0}]</source>
+        <target state="new">[generated by {0}]</target>
+        <note>{0} is the name of a generator.</note>
+      </trans-unit>
+      <trans-unit id="generated_suffix">
+        <source>[generated]</source>
+        <target state="new">[generated]</target>
+        <note />
+      </trans-unit>
       <trans-unit id="given_workspace_doesn_t_support_undo">
         <source>given workspace doesn't support undo</source>
         <target state="translated">指定的工作區不支援復原</target>
diff --git a/src/Workspaces/Core/Portable/Utilities/GeneratorDriverRunResultExtensions.cs b/src/Workspaces/Core/Portable/Utilities/GeneratorDriverRunResultExtensions.cs
new file mode 100644
index 0000000000000000000000000000000000000000..a3035a0792df355c74922a66bafcf0cb2be7d3e5
--- /dev/null
+++ b/src/Workspaces/Core/Portable/Utilities/GeneratorDriverRunResultExtensions.cs
@@ -0,0 +1,41 @@
+// 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.
+
+#nullable enable
+
+using System.Diagnostics.CodeAnalysis;
+
+namespace Microsoft.CodeAnalysis.Utilities
+{
+    internal static class GeneratorDriverRunResultExtensions
+    {
+        public static bool TryGetGeneratorAndHint(
+            this GeneratorDriverRunResult? generatorRunResult,
+            SyntaxTree tree,
+            [NotNullWhen(true)] out ISourceGenerator? generator,
+            [NotNullWhen(true)] out string? generatedSourceHintName)
+        {
+            if (generatorRunResult != null)
+            {
+                foreach (var generatorResult in generatorRunResult.Results)
+                {
+                    foreach (var generatedSource in generatorResult.GeneratedSources)
+                    {
+                        if (generatedSource.SyntaxTree == tree)
+                        {
+                            generator = generatorResult.Generator;
+                            generatedSourceHintName = generatedSource.HintName;
+
+                            return true;
+                        }
+                    }
+                }
+            }
+
+            generator = null;
+            generatedSourceHintName = null;
+            return false;
+        }
+    }
+}