log.txt

[F#][INFO 10:01:22 PM] => FSharpNavigationBarItemService.GetItemsAsync
   at System.Environment.GetStackTrace(Exception e, Boolean needFileInfo)
   at System.Environment.get_StackTrace()
   at Microsoft.VisualStudio.FSharp.Editor.Cancellation.track(String method, CancellationToken ct)
   at Microsoft.VisualStudio.FSharp.Editor.FSharpNavigationBarItemService.Microsoft-CodeAnalysis-Editor-INavigationBarItemService-GetItemsAsync(Document document, CancellationToken cancellationToken)
   at Microsoft.CodeAnalysis.Editor.Implementation.NavigationBar.NavigationBarController.<ComputeModelAsync>d__29.MoveNext()
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1.Start[TStateMachine](TStateMachine& stateMachine)
   at Microsoft.CodeAnalysis.Editor.Implementation.NavigationBar.NavigationBarController.ComputeModelAsync(Document document, ITextSnapshot snapshot, CancellationToken cancellationToken)
   at Microsoft.CodeAnalysis.Editor.Implementation.NavigationBar.NavigationBarController.<>c__DisplayClass28_0.<StartModelUpdateAndSelectedItemUpdateTasks>b__0(Task _)
   at System.Threading.Tasks.ContinuationResultTaskFromTask`1.InnerInvoke()
   at System.Threading.Tasks.Task.Execute()
   at System.Threading.Tasks.Task.ExecutionContextCallback(Object obj)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.Tasks.Task.ExecuteWithThreadLocal(Task& currentTaskSlot)
   at System.Threading.Tasks.Task.ExecuteEntry(Boolean bPreventDoubleExecution)
   at System.Threading.Tasks.Task.System.Threading.IThreadPoolWorkItem.ExecuteWorkItem()
   at System.Threading.ThreadPoolWorkQueue.Dispatch()
   at System.Threading._ThreadPoolWaitCallback.PerformWaitCallback()
[F#][INFO 10:01:22 PM] => BlockStructureService.GetBlockStructureAsync
   at System.Environment.GetStackTrace(Exception e, Boolean needFileInfo)
   at System.Environment.get_StackTrace()
   at Microsoft.VisualStudio.FSharp.Editor.Cancellation.track(String method, CancellationToken ct)
   at Microsoft.VisualStudio.FSharp.Editor.FSharpBlockStructureService.GetBlockStructureAsync(Document document, CancellationToken cancellationToken)
   at Microsoft.CodeAnalysis.Editor.Implementation.Structure.AbstractStructureTaggerProvider`1.<ProduceTagsAsync>d__6.MoveNext()
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder.Start[TStateMachine](TStateMachine& stateMachine)
   at Microsoft.CodeAnalysis.Editor.Implementation.Structure.AbstractStructureTaggerProvider`1.ProduceTagsAsync(TaggerContext`1 context, DocumentSnapshotSpan documentSnapshotSpan, Nullable`1 caretPosition)
   at Microsoft.CodeAnalysis.Editor.Tagging.AbstractAsynchronousTaggerProvider`1.<ProduceTagsAsync>d__32.MoveNext()
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder.Start[TStateMachine](TStateMachine& stateMachine)
   at Microsoft.CodeAnalysis.Editor.Tagging.AbstractAsynchronousTaggerProvider`1.ProduceTagsAsync(TaggerContext`1 context)
   at Microsoft.CodeAnalysis.Editor.Tagging.AbstractAsynchronousTaggerProvider`1.TagSource.<RecomputeTagsAsync>d__83.MoveNext()
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder.Start[TStateMachine](TStateMachine& stateMachine)
   at Microsoft.CodeAnalysis.Editor.Tagging.AbstractAsynchronousTaggerProvider`1.TagSource.RecomputeTagsAsync(Object oldState, Nullable`1 caretPosition, Nullable`1 textChangeRange, List`1 spansToTag, ImmutableDictionary`2 oldTagTrees, CancellationToken cancellationToken)
   at Microsoft.CodeAnalysis.Editor.Tagging.AbstractAsynchronousTaggerProvider`1.TagSource.<>c__DisplayClass74_0.<RecomputeTagsForeground>b__0(CancellationToken ct)
   at Microsoft.CodeAnalysis.Editor.Shared.Threading.AsynchronousSerialWorkQueue.<>c__DisplayClass11_0.<EnqueueBackgroundTask>b__0(Task _)
   at System.Threading.Tasks.ContinuationResultTaskFromTask`1.InnerInvoke()
   at System.Threading.Tasks.Task.Execute()
   at System.Threading.Tasks.Task.ExecutionContextCallback(Object obj)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.Tasks.Task.ExecuteWithThreadLocal(Task& currentTaskSlot)
   at System.Threading.Tasks.Task.ExecuteEntry(Boolean bPreventDoubleExecution)
   at System.Threading.Tasks.Task.System.Threading.IThreadPoolWorkItem.ExecuteWorkItem()
   at System.Threading.ThreadPoolWorkQueue.Dispatch()
   at System.Threading._ThreadPoolWaitCallback.PerformWaitCallback()
[F#][INFO 10:01:22 PM] => BlockStructureService.GetBlockStructureAsync
   at System.Environment.GetStackTrace(Exception e, Boolean needFileInfo)
   at System.Environment.get_StackTrace()
   at Microsoft.VisualStudio.FSharp.Editor.Cancellation.track(String method, CancellationToken ct)
   at Microsoft.VisualStudio.FSharp.Editor.FSharpBlockStructureService.GetBlockStructureAsync(Document document, CancellationToken cancellationToken)
   at Microsoft.CodeAnalysis.Editor.Implementation.Structure.AbstractStructureTaggerProvider`1.<ProduceTagsAsync>d__6.MoveNext()
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder.Start[TStateMachine](TStateMachine& stateMachine)
   at Microsoft.CodeAnalysis.Editor.Implementation.Structure.AbstractStructureTaggerProvider`1.ProduceTagsAsync(TaggerContext`1 context, DocumentSnapshotSpan documentSnapshotSpan, Nullable`1 caretPosition)
   at Microsoft.CodeAnalysis.Editor.Tagging.AbstractAsynchronousTaggerProvider`1.<ProduceTagsAsync>d__32.MoveNext()
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder.Start[TStateMachine](TStateMachine& stateMachine)
   at Microsoft.CodeAnalysis.Editor.Tagging.AbstractAsynchronousTaggerProvider`1.ProduceTagsAsync(TaggerContext`1 context)
   at Microsoft.CodeAnalysis.Editor.Tagging.AbstractAsynchronousTaggerProvider`1.TagSource.<RecomputeTagsAsync>d__83.MoveNext()
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder.Start[TStateMachine](TStateMachine& stateMachine)
   at Microsoft.CodeAnalysis.Editor.Tagging.AbstractAsynchronousTaggerProvider`1.TagSource.RecomputeTagsAsync(Object oldState, Nullable`1 caretPosition, Nullable`1 textChangeRange, List`1 spansToTag, ImmutableDictionary`2 oldTagTrees, CancellationToken cancellationToken)
   at Microsoft.CodeAnalysis.Editor.Tagging.AbstractAsynchronousTaggerProvider`1.TagSource.<>c__DisplayClass74_0.<RecomputeTagsForeground>b__0(CancellationToken ct)
   at Microsoft.CodeAnalysis.Editor.Shared.Threading.AsynchronousSerialWorkQueue.<>c__DisplayClass11_0.<EnqueueBackgroundTask>b__0(Task _)
   at System.Threading.Tasks.ContinuationResultTaskFromTask`1.InnerInvoke()
   at System.Threading.Tasks.Task.Execute()
   at System.Threading.Tasks.Task.ExecutionContextCallback(Object obj)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.Tasks.Task.ExecuteWithThreadLocal(Task& currentTaskSlot)
   at System.Threading.Tasks.Task.ExecuteEntry(Boolean bPreventDoubleExecution)
   at System.Threading.Tasks.Task.System.Threading.IThreadPoolWorkItem.ExecuteWorkItem()
   at System.Threading.ThreadPoolWorkQueue.Dispatch()
   at System.Threading._ThreadPoolWaitCallback.PerformWaitCallback()
[F#][INFO 10:01:22 PM] => FSharpColorizationService.AddSemanticClassificationsAsync
   at System.Environment.GetStackTrace(Exception e, Boolean needFileInfo)
   at System.Environment.get_StackTrace()
   at Microsoft.VisualStudio.FSharp.Editor.Cancellation.track(String method, CancellationToken ct)
   at Microsoft.VisualStudio.FSharp.Editor.FSharpColorizationService.Microsoft-CodeAnalysis-Editor-IEditorClassificationService-AddSemanticClassificationsAsync(Document document, TextSpan textSpan, List`1 result, CancellationToken cancellationToken)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SemanticClassificationUtilities.<ClassifySpansAsync>d__2.MoveNext()
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder.Start[TStateMachine](TStateMachine& stateMachine)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SemanticClassificationUtilities.ClassifySpansAsync(TaggerContext`1 context, DocumentSnapshotSpan spanToTag, IEditorClassificationService classificationService, ClassificationTypeMap typeMap)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SemanticClassificationUtilities.<ProduceTagsAsync>d__0.MoveNext()
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder.Start[TStateMachine](TStateMachine& stateMachine)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SemanticClassificationUtilities.ProduceTagsAsync(TaggerContext`1 context, DocumentSnapshotSpan spanToTag, IEditorClassificationService classificationService, ClassificationTypeMap typeMap)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SemanticClassificationViewTaggerProvider.ProduceTagsAsync(TaggerContext`1 context)
   at Microsoft.CodeAnalysis.Editor.Tagging.AbstractAsynchronousTaggerProvider`1.TagSource.<RecomputeTagsAsync>d__83.MoveNext()
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder.Start[TStateMachine](TStateMachine& stateMachine)
   at Microsoft.CodeAnalysis.Editor.Tagging.AbstractAsynchronousTaggerProvider`1.TagSource.RecomputeTagsAsync(Object oldState, Nullable`1 caretPosition, Nullable`1 textChangeRange, List`1 spansToTag, ImmutableDictionary`2 oldTagTrees, CancellationToken cancellationToken)
   at Microsoft.CodeAnalysis.Editor.Tagging.AbstractAsynchronousTaggerProvider`1.TagSource.<>c__DisplayClass74_0.<RecomputeTagsForeground>b__0(CancellationToken ct)
   at Microsoft.CodeAnalysis.Editor.Shared.Threading.AsynchronousSerialWorkQueue.<>c__DisplayClass11_0.<EnqueueBackgroundTask>b__0(Task _)
   at System.Threading.Tasks.ContinuationResultTaskFromTask`1.InnerInvoke()
   at System.Threading.Tasks.Task.Execute()
   at System.Threading.Tasks.Task.ExecutionContextCallback(Object obj)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.Tasks.Task.ExecuteWithThreadLocal(Task& currentTaskSlot)
   at System.Threading.Tasks.Task.ExecuteEntry(Boolean bPreventDoubleExecution)
   at System.Threading.Tasks.Task.System.Threading.IThreadPoolWorkItem.ExecuteWorkItem()
   at System.Threading.ThreadPoolWorkQueue.Dispatch()
   at System.Threading._ThreadPoolWaitCallback.PerformWaitCallback()
[F#][INFO 10:01:23 PM] => FSharpDocumentHighlightsService.GetDocumentHighlightsAsync
   at System.Environment.GetStackTrace(Exception e, Boolean needFileInfo)
   at System.Environment.get_StackTrace()
   at Microsoft.VisualStudio.FSharp.Editor.Cancellation.track(String method, CancellationToken ct)
   at Microsoft.VisualStudio.FSharp.Editor.FSharpDocumentHighlightsService.Microsoft-CodeAnalysis-Editor-IDocumentHighlightsService-GetDocumentHighlightsAsync(Document document, Int32 position, IImmutableSet`1 _documentsToSearch, CancellationToken cancellationToken)
   at Microsoft.CodeAnalysis.Editor.Implementation.ReferenceHighlighting.ReferenceHighlightingViewTaggerProvider.<ProduceTagsAsync>d__12.MoveNext()
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder.Start[TStateMachine](TStateMachine& stateMachine)
   at Microsoft.CodeAnalysis.Editor.Implementation.ReferenceHighlighting.ReferenceHighlightingViewTaggerProvider.ProduceTagsAsync(TaggerContext`1 context, SnapshotPoint position, Workspace workspace, Document document)
   at Microsoft.CodeAnalysis.Editor.Implementation.ReferenceHighlighting.ReferenceHighlightingViewTaggerProvider.ProduceTagsAsync(TaggerContext`1 context)
   at Microsoft.CodeAnalysis.Editor.Tagging.AbstractAsynchronousTaggerProvider`1.TagSource.<RecomputeTagsAsync>d__83.MoveNext()
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder.Start[TStateMachine](TStateMachine& stateMachine)
   at Microsoft.CodeAnalysis.Editor.Tagging.AbstractAsynchronousTaggerProvider`1.TagSource.RecomputeTagsAsync(Object oldState, Nullable`1 caretPosition, Nullable`1 textChangeRange, List`1 spansToTag, ImmutableDictionary`2 oldTagTrees, CancellationToken cancellationToken)
   at Microsoft.CodeAnalysis.Editor.Tagging.AbstractAsynchronousTaggerProvider`1.TagSource.<>c__DisplayClass74_0.<RecomputeTagsForeground>b__0(CancellationToken ct)
   at Microsoft.CodeAnalysis.Editor.Shared.Threading.AsynchronousSerialWorkQueue.<>c__DisplayClass11_0.<EnqueueBackgroundTask>b__0(Task _)
   at System.Threading.Tasks.ContinuationResultTaskFromTask`1.InnerInvoke()
   at System.Threading.Tasks.Task.Execute()
   at System.Threading.Tasks.Task.ExecutionContextCallback(Object obj)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.Tasks.Task.ExecuteWithThreadLocal(Task& currentTaskSlot)
   at System.Threading.Tasks.Task.ExecuteEntry(Boolean bPreventDoubleExecution)
   at System.Threading.Tasks.Task.System.Threading.IThreadPoolWorkItem.ExecuteWorkItem()
   at System.Threading.ThreadPoolWorkQueue.Dispatch()
   at System.Threading._ThreadPoolWaitCallback.PerformWaitCallback()
[F#][INFO 10:01:23 PM] => FSharpBraceMatchingService.FindBracesAsync
   at System.Environment.GetStackTrace(Exception e, Boolean needFileInfo)
   at System.Environment.get_StackTrace()
   at Microsoft.VisualStudio.FSharp.Editor.FSharpBraceMatchingService.Microsoft-CodeAnalysis-Editor-IBraceMatcher-FindBracesAsync(Document document, Int32 position, CancellationToken cancellationToken)
   at Microsoft.CodeAnalysis.Editor.Implementation.BraceMatching.BraceMatchingService.<GetMatchingBracesAsync>d__2.MoveNext()
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1.Start[TStateMachine](TStateMachine& stateMachine)
   at Microsoft.CodeAnalysis.Editor.Implementation.BraceMatching.BraceMatchingService.GetMatchingBracesAsync(Document document, Int32 position, CancellationToken cancellationToken)
   at Microsoft.CodeAnalysis.Editor.Implementation.BraceMatching.BraceHighlightingViewTaggerProvider.<ProduceTagsForBracesAsync>d__7.MoveNext()
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder.Start[TStateMachine](TStateMachine& stateMachine)
   at Microsoft.CodeAnalysis.Editor.Implementation.BraceMatching.BraceHighlightingViewTaggerProvider.ProduceTagsForBracesAsync(TaggerContext`1 context, Document document, ITextSnapshot snapshot, Int32 position, Boolean rightBrace)
   at Microsoft.CodeAnalysis.Editor.Implementation.BraceMatching.BraceHighlightingViewTaggerProvider.<ProduceTagsAsync>d__6.MoveNext()
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder.Start[TStateMachine](TStateMachine& stateMachine)
   at Microsoft.CodeAnalysis.Editor.Implementation.BraceMatching.BraceHighlightingViewTaggerProvider.ProduceTagsAsync(TaggerContext`1 context, Document document, ITextSnapshot snapshot, Int32 position)
   at Microsoft.CodeAnalysis.Editor.Implementation.BraceMatching.BraceHighlightingViewTaggerProvider.ProduceTagsAsync(TaggerContext`1 context, DocumentSnapshotSpan documentSnapshotSpan, Nullable`1 caretPosition)
   at Microsoft.CodeAnalysis.Editor.Tagging.AbstractAsynchronousTaggerProvider`1.<ProduceTagsAsync>d__32.MoveNext()
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder.Start[TStateMachine](TStateMachine& stateMachine)
   at Microsoft.CodeAnalysis.Editor.Tagging.AbstractAsynchronousTaggerProvider`1.ProduceTagsAsync(TaggerContext`1 context)
   at Microsoft.CodeAnalysis.Editor.Tagging.AbstractAsynchronousTaggerProvider`1.TagSource.<RecomputeTagsAsync>d__83.MoveNext()
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder.Start[TStateMachine](TStateMachine& stateMachine)
   at Microsoft.CodeAnalysis.Editor.Tagging.AbstractAsynchronousTaggerProvider`1.TagSource.RecomputeTagsAsync(Object oldState, Nullable`1 caretPosition, Nullable`1 textChangeRange, List`1 spansToTag, ImmutableDictionary`2 oldTagTrees, CancellationToken cancellationToken)
   at Microsoft.CodeAnalysis.Editor.Tagging.AbstractAsynchronousTaggerProvider`1.TagSource.<>c__DisplayClass74_0.<RecomputeTagsForeground>b__0(CancellationToken ct)
   at Microsoft.CodeAnalysis.Editor.Shared.Threading.AsynchronousSerialWorkQueue.<>c__DisplayClass11_0.<EnqueueBackgroundTask>b__0(Task _)
   at System.Threading.Tasks.ContinuationResultTaskFromTask`1.InnerInvoke()
   at System.Threading.Tasks.Task.Execute()
   at System.Threading.Tasks.Task.ExecutionContextCallback(Object obj)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.Tasks.Task.ExecuteWithThreadLocal(Task& currentTaskSlot)
   at System.Threading.Tasks.Task.ExecuteEntry(Boolean bPreventDoubleExecution)
   at System.Threading.Tasks.Task.System.Threading.IThreadPoolWorkItem.ExecuteWorkItem()
   at System.Threading.ThreadPoolWorkQueue.Dispatch()
   at System.Threading._ThreadPoolWaitCallback.PerformWaitCallback()
[F#][INFO 10:01:23 PM] CANCELLED BlockStructureService.GetBlockStructureAsync
   at System.Environment.GetStackTrace(Exception e, Boolean needFileInfo)
   at System.Environment.get_StackTrace()
   at [email protected]()
   at System.Threading.CancellationToken.ActionToActionObjShunt(Object obj)
   at System.Threading.CancellationCallbackInfo.ExecutionContextCallback(Object obj)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Threading.CancellationCallbackInfo.ExecuteCallback()
   at System.Threading.CancellationTokenSource.CancellationCallbackCoreWork(CancellationCallbackCoreWorkArguments args)
   at System.Threading.CancellationTokenSource.ExecuteCallbackHandlers(Boolean throwOnFirstException)
   at System.Threading.CancellationTokenSource.NotifyCancellation(Boolean throwOnFirstException)
   at Microsoft.CodeAnalysis.Editor.Shared.Threading.AsynchronousSerialWorkQueue.CancelCurrentWork()
   at Microsoft.CodeAnalysis.Editor.Tagging.AbstractAsynchronousTaggerProvider`1.TagSource.RecalculateTagsOnChanged(TaggerEventArgs e)
   at Microsoft.CodeAnalysis.Editor.Tagging.AbstractAsynchronousTaggerProvider`1.TagSource.OnChanged(Object sender, TaggerEventArgs e)
   at Microsoft.CodeAnalysis.Editor.Shared.Tagging.AbstractTaggerEventSource.RaiseChanged()
   at Microsoft.CodeAnalysis.Editor.Shared.Tagging.TaggerEventSources.WorkspaceRegistrationChangedEventSource.ConnectToWorkspace(Workspace workspace)
   at Microsoft.CodeAnalysis.Editor.Shared.Tagging.AbstractWorkspaceTrackingTaggerEventSource.OnWorkspaceRegistrationChanged(Object sender, EventArgs e)
   at System.EventHandler.Invoke(Object sender, EventArgs e)
   at Microsoft.CodeAnalysis.WorkspaceRegistration.RaiseEvents()
   at Microsoft.CodeAnalysis.Workspace.<>c__DisplayClass206_0.<RegisterText>b__0()
   at Roslyn.Utilities.TaskExtensions.<>c__DisplayClass15_0.<ContinueWithAfterDelay>b__1(Task _)
   at Roslyn.Utilities.TaskExtensions.<>c__DisplayClass3_0.<SafeContinueWith>b__0(Task antecedent)
   at Roslyn.Utilities.TaskExtensions.<>c__DisplayClass7_0`1.<SafeContinueWith>b__0(Task t)
   at System.Threading.Tasks.ContinuationResultTaskFromTask`1.InnerInvoke()
   at System.Threading.Tasks.Task.Execute()
   at System.Threading.Tasks.Task.ExecutionContextCallback(Object obj)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.Tasks.Task.ExecuteWithThreadLocal(Task& currentTaskSlot)
   at System.Threading.Tasks.Task.ExecuteEntry(Boolean bPreventDoubleExecution)
   at System.Threading.Tasks.TaskScheduler.TryExecuteTask(Task task)
   at Microsoft.CodeAnalysis.Editor.Shared.Utilities.SynchronizationContextTaskScheduler.PostCallback(Object obj)
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.DispatcherOperation.InvokeImpl()
   at System.Windows.Threading.DispatcherOperation.InvokeInSecurityContext(Object state)
   at MS.Internal.CulturePreservingExecutionContext.CallbackWrapper(Object obj)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   at MS.Internal.CulturePreservingExecutionContext.Run(CulturePreservingExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Windows.Threading.DispatcherOperation.Invoke()
   at System.Windows.Threading.Dispatcher.ProcessQueue()
   at System.Windows.Threading.Dispatcher.WndProcHook(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.Dispatcher.LegacyInvokeImpl(DispatcherPriority priority, TimeSpan timeout, Delegate method, Object args, Int32 numArgs)
   at MS.Win32.HwndSubclass.SubclassWndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam)
[F#][INFO 10:01:23 PM] CANCELLED BlockStructureService.GetBlockStructureAsync
   at System.Environment.GetStackTrace(Exception e, Boolean needFileInfo)
   at System.Environment.get_StackTrace()
   at [email protected]()
   at System.Threading.CancellationToken.ActionToActionObjShunt(Object obj)
   at System.Threading.CancellationCallbackInfo.ExecutionContextCallback(Object obj)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Threading.CancellationCallbackInfo.ExecuteCallback()
   at System.Threading.CancellationTokenSource.CancellationCallbackCoreWork(CancellationCallbackCoreWorkArguments args)
   at System.Threading.CancellationTokenSource.ExecuteCallbackHandlers(Boolean throwOnFirstException)
   at System.Threading.CancellationTokenSource.NotifyCancellation(Boolean throwOnFirstException)
   at Microsoft.CodeAnalysis.Editor.Shared.Threading.AsynchronousSerialWorkQueue.CancelCurrentWork()
   at Microsoft.CodeAnalysis.Editor.Tagging.AbstractAsynchronousTaggerProvider`1.TagSource.RecalculateTagsOnChanged(TaggerEventArgs e)
   at Microsoft.CodeAnalysis.Editor.Tagging.AbstractAsynchronousTaggerProvider`1.TagSource.OnChanged(Object sender, TaggerEventArgs e)
   at Microsoft.CodeAnalysis.Editor.Shared.Tagging.AbstractTaggerEventSource.RaiseChanged()
   at Microsoft.CodeAnalysis.Editor.Shared.Tagging.TaggerEventSources.WorkspaceRegistrationChangedEventSource.ConnectToWorkspace(Workspace workspace)
   at Microsoft.CodeAnalysis.Editor.Shared.Tagging.AbstractWorkspaceTrackingTaggerEventSource.OnWorkspaceRegistrationChanged(Object sender, EventArgs e)
   at System.EventHandler.Invoke(Object sender, EventArgs e)
   at Microsoft.CodeAnalysis.WorkspaceRegistration.RaiseEvents()
   at Microsoft.CodeAnalysis.Workspace.<>c__DisplayClass206_0.<RegisterText>b__0()
   at Roslyn.Utilities.TaskExtensions.<>c__DisplayClass15_0.<ContinueWithAfterDelay>b__1(Task _)
   at Roslyn.Utilities.TaskExtensions.<>c__DisplayClass3_0.<SafeContinueWith>b__0(Task antecedent)
   at Roslyn.Utilities.TaskExtensions.<>c__DisplayClass7_0`1.<SafeContinueWith>b__0(Task t)
   at System.Threading.Tasks.ContinuationResultTaskFromTask`1.InnerInvoke()
   at System.Threading.Tasks.Task.Execute()
   at System.Threading.Tasks.Task.ExecutionContextCallback(Object obj)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.Tasks.Task.ExecuteWithThreadLocal(Task& currentTaskSlot)
   at System.Threading.Tasks.Task.ExecuteEntry(Boolean bPreventDoubleExecution)
   at System.Threading.Tasks.TaskScheduler.TryExecuteTask(Task task)
   at Microsoft.CodeAnalysis.Editor.Shared.Utilities.SynchronizationContextTaskScheduler.PostCallback(Object obj)
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.DispatcherOperation.InvokeImpl()
   at System.Windows.Threading.DispatcherOperation.InvokeInSecurityContext(Object state)
   at MS.Internal.CulturePreservingExecutionContext.CallbackWrapper(Object obj)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   at MS.Internal.CulturePreservingExecutionContext.Run(CulturePreservingExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Windows.Threading.DispatcherOperation.Invoke()
   at System.Windows.Threading.Dispatcher.ProcessQueue()
   at System.Windows.Threading.Dispatcher.WndProcHook(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.Dispatcher.LegacyInvokeImpl(DispatcherPriority priority, TimeSpan timeout, Delegate method, Object args, Int32 numArgs)
   at MS.Win32.HwndSubclass.SubclassWndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam)
[F#][INFO 10:01:23 PM] CANCELLED FSharpNavigationBarItemService.GetItemsAsync
   at System.Environment.GetStackTrace(Exception e, Boolean needFileInfo)
   at System.Environment.get_StackTrace()
   at [email protected]()
   at System.Threading.CancellationToken.ActionToActionObjShunt(Object obj)
   at System.Threading.CancellationCallbackInfo.ExecutionContextCallback(Object obj)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Threading.CancellationCallbackInfo.ExecuteCallback()
   at System.Threading.CancellationTokenSource.CancellationCallbackCoreWork(CancellationCallbackCoreWorkArguments args)
   at System.Threading.CancellationTokenSource.ExecuteCallbackHandlers(Boolean throwOnFirstException)
   at System.Threading.CancellationTokenSource.NotifyCancellation(Boolean throwOnFirstException)
   at Microsoft.CodeAnalysis.Editor.Implementation.NavigationBar.NavigationBarController.StartModelUpdateAndSelectedItemUpdateTasks(Int32 modelUpdateDelay, Int32 selectedItemUpdateDelay, Boolean updateUIWhenDone)
   at Microsoft.CodeAnalysis.Editor.Implementation.NavigationBar.NavigationBarController.ConnectToWorkspace(Workspace workspace)
   at Microsoft.CodeAnalysis.Editor.Implementation.NavigationBar.NavigationBarController.OnWorkspaceRegistrationChanged(Object sender, EventArgs e)
   at System.EventHandler.Invoke(Object sender, EventArgs e)
   at Microsoft.CodeAnalysis.WorkspaceRegistration.RaiseEvents()
   at Microsoft.CodeAnalysis.Workspace.<>c__DisplayClass206_0.<RegisterText>b__0()
   at Roslyn.Utilities.TaskExtensions.<>c__DisplayClass15_0.<ContinueWithAfterDelay>b__1(Task _)
   at Roslyn.Utilities.TaskExtensions.<>c__DisplayClass3_0.<SafeContinueWith>b__0(Task antecedent)
   at Roslyn.Utilities.TaskExtensions.<>c__DisplayClass7_0`1.<SafeContinueWith>b__0(Task t)
   at System.Threading.Tasks.ContinuationResultTaskFromTask`1.InnerInvoke()
   at System.Threading.Tasks.Task.Execute()
   at System.Threading.Tasks.Task.ExecutionContextCallback(Object obj)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.Tasks.Task.ExecuteWithThreadLocal(Task& currentTaskSlot)
   at System.Threading.Tasks.Task.ExecuteEntry(Boolean bPreventDoubleExecution)
   at System.Threading.Tasks.TaskScheduler.TryExecuteTask(Task task)
   at Microsoft.CodeAnalysis.Editor.Shared.Utilities.SynchronizationContextTaskScheduler.PostCallback(Object obj)
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.DispatcherOperation.InvokeImpl()
   at System.Windows.Threading.DispatcherOperation.InvokeInSecurityContext(Object state)
   at MS.Internal.CulturePreservingExecutionContext.CallbackWrapper(Object obj)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   at MS.Internal.CulturePreservingExecutionContext.Run(CulturePreservingExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Windows.Threading.DispatcherOperation.Invoke()
   at System.Windows.Threading.Dispatcher.ProcessQueue()
   at System.Windows.Threading.Dispatcher.WndProcHook(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.Dispatcher.LegacyInvokeImpl(DispatcherPriority priority, TimeSpan timeout, Delegate method, Object args, Int32 numArgs)
   at MS.Win32.HwndSubclass.SubclassWndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam)
[F#][INFO 10:01:23 PM] => FSharpNavigationBarItemService.GetItemsAsync
   at System.Environment.GetStackTrace(Exception e, Boolean needFileInfo)
   at System.Environment.get_StackTrace()
   at Microsoft.VisualStudio.FSharp.Editor.Cancellation.track(String method, CancellationToken ct)
   at Microsoft.VisualStudio.FSharp.Editor.FSharpNavigationBarItemService.Microsoft-CodeAnalysis-Editor-INavigationBarItemService-GetItemsAsync(Document document, CancellationToken cancellationToken)
   at Microsoft.CodeAnalysis.Editor.Implementation.NavigationBar.NavigationBarController.<ComputeModelAsync>d__29.MoveNext()
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1.Start[TStateMachine](TStateMachine& stateMachine)
   at Microsoft.CodeAnalysis.Editor.Implementation.NavigationBar.NavigationBarController.ComputeModelAsync(Document document, ITextSnapshot snapshot, CancellationToken cancellationToken)
   at Microsoft.CodeAnalysis.Editor.Implementation.NavigationBar.NavigationBarController.<>c__DisplayClass28_0.<StartModelUpdateAndSelectedItemUpdateTasks>b__0(Task _)
   at System.Threading.Tasks.ContinuationResultTaskFromTask`1.InnerInvoke()
   at System.Threading.Tasks.Task.Execute()
   at System.Threading.Tasks.Task.ExecutionContextCallback(Object obj)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.Tasks.Task.ExecuteWithThreadLocal(Task& currentTaskSlot)
   at System.Threading.Tasks.Task.ExecuteEntry(Boolean bPreventDoubleExecution)
   at System.Threading.Tasks.Task.System.Threading.IThreadPoolWorkItem.ExecuteWorkItem()
   at System.Threading.ThreadPoolWorkQueue.Dispatch()
   at System.Threading._ThreadPoolWaitCallback.PerformWaitCallback()
[F#][INFO 10:01:23 PM] => FSharpColorizationService.AddSyntacticClassificationsAsync
   at System.Environment.GetStackTrace(Exception e, Boolean needFileInfo)
   at System.Environment.get_StackTrace()
   at Microsoft.VisualStudio.FSharp.Editor.Cancellation.track(String method, CancellationToken ct)
   at Microsoft.VisualStudio.FSharp.Editor.FSharpColorizationService.Microsoft-CodeAnalysis-Editor-IEditorClassificationService-AddSyntacticClassificationsAsync(Document document, TextSpan textSpan, List`1 result, CancellationToken cancellationToken)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpansForCurrentTree(IEditorClassificationService classificationService, SnapshotSpan span, Document document, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpans(IEditorClassificationService classificationService, SnapshotSpan span, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.Tagger.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<GetTagsForBuffer>d__38.MoveNext()
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<InternalGetTags>d__39.MoveNext()
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.InternalGetClassificationSpans(SnapshotSpan span, IEnumerable`1 tags)
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.GetClassificationSpans(SnapshotSpan span)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.CreateClassifiedRuns(SnapshotSpan span, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.Create(ITextAndAdornmentCollection elements, ITextSnapshot sourceSnapshot, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.FormattedLineSource.FormatLineInVisualBufferIfChanged(ITextSnapshotLine visualLine, IList`1 oldLines, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.FormatSnapshotLine(ITextSnapshotLine visualLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoAnchorLayout(ITextSnapshotLine visualLine, SnapshotPoint anchorPosition, Double referenceLine, ViewRelativePosition relativeTo, Double& distanceAboveReferenceLine, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoCompleteLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportHeight, Double& referenceLine, Double& distanceAboveReferenceLine, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.InnerPerformLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot, SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.<QueueLayout>b__258_0()
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.DispatcherOperation.InvokeImpl()
   at System.Windows.Threading.DispatcherOperation.InvokeInSecurityContext(Object state)
   at MS.Internal.CulturePreservingExecutionContext.CallbackWrapper(Object obj)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   at MS.Internal.CulturePreservingExecutionContext.Run(CulturePreservingExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Windows.Threading.DispatcherOperation.Invoke()
   at System.Windows.Threading.Dispatcher.ProcessQueue()
   at System.Windows.Threading.Dispatcher.WndProcHook(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.Dispatcher.LegacyInvokeImpl(DispatcherPriority priority, TimeSpan timeout, Delegate method, Object args, Int32 numArgs)
   at MS.Win32.HwndSubclass.SubclassWndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam)
[F#][INFO 10:01:23 PM] => FSharpColorizationService.AddSyntacticClassificationsAsync
   at System.Environment.GetStackTrace(Exception e, Boolean needFileInfo)
   at System.Environment.get_StackTrace()
   at Microsoft.VisualStudio.FSharp.Editor.Cancellation.track(String method, CancellationToken ct)
   at Microsoft.VisualStudio.FSharp.Editor.FSharpColorizationService.Microsoft-CodeAnalysis-Editor-IEditorClassificationService-AddSyntacticClassificationsAsync(Document document, TextSpan textSpan, List`1 result, CancellationToken cancellationToken)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpansForCurrentTree(IEditorClassificationService classificationService, SnapshotSpan span, Document document, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpans(IEditorClassificationService classificationService, SnapshotSpan span, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.Tagger.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<GetTagsForBuffer>d__38.MoveNext()
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<InternalGetTags>d__39.MoveNext()
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.InternalGetClassificationSpans(SnapshotSpan span, IEnumerable`1 tags)
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.GetClassificationSpans(SnapshotSpan span)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.CreateClassifiedRuns(SnapshotSpan span, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.Create(ITextAndAdornmentCollection elements, ITextSnapshot sourceSnapshot, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.FormattedLineSource.FormatLineInVisualBufferIfChanged(ITextSnapshotLine visualLine, IList`1 oldLines, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.FormatSnapshotLine(ITextSnapshotLine visualLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoLayoutUp(ITextSnapshotLine visualLine, Double referenceLine, Double& distanceAboveReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoCompleteLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportHeight, Double& referenceLine, Double& distanceAboveReferenceLine, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.InnerPerformLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot, SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.<QueueLayout>b__258_0()
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.DispatcherOperation.InvokeImpl()
   at System.Windows.Threading.DispatcherOperation.InvokeInSecurityContext(Object state)
   at MS.Internal.CulturePreservingExecutionContext.CallbackWrapper(Object obj)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   at MS.Internal.CulturePreservingExecutionContext.Run(CulturePreservingExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Windows.Threading.DispatcherOperation.Invoke()
   at System.Windows.Threading.Dispatcher.ProcessQueue()
   at System.Windows.Threading.Dispatcher.WndProcHook(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.Dispatcher.LegacyInvokeImpl(DispatcherPriority priority, TimeSpan timeout, Delegate method, Object args, Int32 numArgs)
   at MS.Win32.HwndSubclass.SubclassWndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam)
[F#][INFO 10:01:23 PM] => FSharpColorizationService.AddSyntacticClassificationsAsync
   at System.Environment.GetStackTrace(Exception e, Boolean needFileInfo)
   at System.Environment.get_StackTrace()
   at Microsoft.VisualStudio.FSharp.Editor.Cancellation.track(String method, CancellationToken ct)
   at Microsoft.VisualStudio.FSharp.Editor.FSharpColorizationService.Microsoft-CodeAnalysis-Editor-IEditorClassificationService-AddSyntacticClassificationsAsync(Document document, TextSpan textSpan, List`1 result, CancellationToken cancellationToken)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpansForCurrentTree(IEditorClassificationService classificationService, SnapshotSpan span, Document document, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpans(IEditorClassificationService classificationService, SnapshotSpan span, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.Tagger.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<GetTagsForBuffer>d__38.MoveNext()
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<InternalGetTags>d__39.MoveNext()
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.InternalGetClassificationSpans(SnapshotSpan span, IEnumerable`1 tags)
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.GetClassificationSpans(SnapshotSpan span)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.CreateClassifiedRuns(SnapshotSpan span, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.Create(ITextAndAdornmentCollection elements, ITextSnapshot sourceSnapshot, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.FormattedLineSource.FormatLineInVisualBufferIfChanged(ITextSnapshotLine visualLine, IList`1 oldLines, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.FormatSnapshotLine(ITextSnapshotLine visualLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoLayoutDown(ITextSnapshotLine visualLine, Double referenceLine, Double effectiveViewportHeight, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoCompleteLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportHeight, Double& referenceLine, Double& distanceAboveReferenceLine, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.InnerPerformLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot, SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.<QueueLayout>b__258_0()
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.DispatcherOperation.InvokeImpl()
   at System.Windows.Threading.DispatcherOperation.InvokeInSecurityContext(Object state)
   at MS.Internal.CulturePreservingExecutionContext.CallbackWrapper(Object obj)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   at MS.Internal.CulturePreservingExecutionContext.Run(CulturePreservingExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Windows.Threading.DispatcherOperation.Invoke()
   at System.Windows.Threading.Dispatcher.ProcessQueue()
   at System.Windows.Threading.Dispatcher.WndProcHook(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.Dispatcher.LegacyInvokeImpl(DispatcherPriority priority, TimeSpan timeout, Delegate method, Object args, Int32 numArgs)
   at MS.Win32.HwndSubclass.SubclassWndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam)
[F#][INFO 10:01:23 PM] => FSharpColorizationService.AddSyntacticClassificationsAsync
   at System.Environment.GetStackTrace(Exception e, Boolean needFileInfo)
   at System.Environment.get_StackTrace()
   at Microsoft.VisualStudio.FSharp.Editor.Cancellation.track(String method, CancellationToken ct)
   at Microsoft.VisualStudio.FSharp.Editor.FSharpColorizationService.Microsoft-CodeAnalysis-Editor-IEditorClassificationService-AddSyntacticClassificationsAsync(Document document, TextSpan textSpan, List`1 result, CancellationToken cancellationToken)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpansForCurrentTree(IEditorClassificationService classificationService, SnapshotSpan span, Document document, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpans(IEditorClassificationService classificationService, SnapshotSpan span, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.Tagger.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<GetTagsForBuffer>d__38.MoveNext()
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<InternalGetTags>d__39.MoveNext()
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.InternalGetClassificationSpans(SnapshotSpan span, IEnumerable`1 tags)
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.GetClassificationSpans(SnapshotSpan span)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.CreateClassifiedRuns(SnapshotSpan span, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.Create(ITextAndAdornmentCollection elements, ITextSnapshot sourceSnapshot, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.FormattedLineSource.FormatLineInVisualBufferIfChanged(ITextSnapshotLine visualLine, IList`1 oldLines, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.FormatSnapshotLine(ITextSnapshotLine visualLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoLayoutDown(ITextSnapshotLine visualLine, Double referenceLine, Double effectiveViewportHeight, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoCompleteLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportHeight, Double& referenceLine, Double& distanceAboveReferenceLine, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.InnerPerformLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot, SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.<QueueLayout>b__258_0()
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.DispatcherOperation.InvokeImpl()
   at System.Windows.Threading.DispatcherOperation.InvokeInSecurityContext(Object state)
   at MS.Internal.CulturePreservingExecutionContext.CallbackWrapper(Object obj)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   at MS.Internal.CulturePreservingExecutionContext.Run(CulturePreservingExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Windows.Threading.DispatcherOperation.Invoke()
   at System.Windows.Threading.Dispatcher.ProcessQueue()
   at System.Windows.Threading.Dispatcher.WndProcHook(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.Dispatcher.LegacyInvokeImpl(DispatcherPriority priority, TimeSpan timeout, Delegate method, Object args, Int32 numArgs)
   at MS.Win32.HwndSubclass.SubclassWndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam)
[F#][INFO 10:01:23 PM] => FSharpColorizationService.AddSyntacticClassificationsAsync
   at System.Environment.GetStackTrace(Exception e, Boolean needFileInfo)
   at System.Environment.get_StackTrace()
   at Microsoft.VisualStudio.FSharp.Editor.Cancellation.track(String method, CancellationToken ct)
   at Microsoft.VisualStudio.FSharp.Editor.FSharpColorizationService.Microsoft-CodeAnalysis-Editor-IEditorClassificationService-AddSyntacticClassificationsAsync(Document document, TextSpan textSpan, List`1 result, CancellationToken cancellationToken)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpansForCurrentTree(IEditorClassificationService classificationService, SnapshotSpan span, Document document, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpans(IEditorClassificationService classificationService, SnapshotSpan span, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.Tagger.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<GetTagsForBuffer>d__38.MoveNext()
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<InternalGetTags>d__39.MoveNext()
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.InternalGetClassificationSpans(SnapshotSpan span, IEnumerable`1 tags)
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.GetClassificationSpans(SnapshotSpan span)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.CreateClassifiedRuns(SnapshotSpan span, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.Create(ITextAndAdornmentCollection elements, ITextSnapshot sourceSnapshot, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.FormattedLineSource.FormatLineInVisualBufferIfChanged(ITextSnapshotLine visualLine, IList`1 oldLines, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.FormatSnapshotLine(ITextSnapshotLine visualLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoLayoutDown(ITextSnapshotLine visualLine, Double referenceLine, Double effectiveViewportHeight, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoCompleteLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportHeight, Double& referenceLine, Double& distanceAboveReferenceLine, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.InnerPerformLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot, SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.<QueueLayout>b__258_0()
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.DispatcherOperation.InvokeImpl()
   at System.Windows.Threading.DispatcherOperation.InvokeInSecurityContext(Object state)
   at MS.Internal.CulturePreservingExecutionContext.CallbackWrapper(Object obj)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   at MS.Internal.CulturePreservingExecutionContext.Run(CulturePreservingExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Windows.Threading.DispatcherOperation.Invoke()
   at System.Windows.Threading.Dispatcher.ProcessQueue()
   at System.Windows.Threading.Dispatcher.WndProcHook(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.Dispatcher.LegacyInvokeImpl(DispatcherPriority priority, TimeSpan timeout, Delegate method, Object args, Int32 numArgs)
   at MS.Win32.HwndSubclass.SubclassWndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam)
[F#][INFO 10:01:23 PM] => FSharpColorizationService.AddSyntacticClassificationsAsync
   at System.Environment.GetStackTrace(Exception e, Boolean needFileInfo)
   at System.Environment.get_StackTrace()
   at Microsoft.VisualStudio.FSharp.Editor.Cancellation.track(String method, CancellationToken ct)
   at Microsoft.VisualStudio.FSharp.Editor.FSharpColorizationService.Microsoft-CodeAnalysis-Editor-IEditorClassificationService-AddSyntacticClassificationsAsync(Document document, TextSpan textSpan, List`1 result, CancellationToken cancellationToken)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpansForCurrentTree(IEditorClassificationService classificationService, SnapshotSpan span, Document document, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpans(IEditorClassificationService classificationService, SnapshotSpan span, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.Tagger.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<GetTagsForBuffer>d__38.MoveNext()
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<InternalGetTags>d__39.MoveNext()
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.InternalGetClassificationSpans(SnapshotSpan span, IEnumerable`1 tags)
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.GetClassificationSpans(SnapshotSpan span)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.CreateClassifiedRuns(SnapshotSpan span, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.Create(ITextAndAdornmentCollection elements, ITextSnapshot sourceSnapshot, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.FormattedLineSource.FormatLineInVisualBufferIfChanged(ITextSnapshotLine visualLine, IList`1 oldLines, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.FormatSnapshotLine(ITextSnapshotLine visualLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoLayoutDown(ITextSnapshotLine visualLine, Double referenceLine, Double effectiveViewportHeight, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoCompleteLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportHeight, Double& referenceLine, Double& distanceAboveReferenceLine, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.InnerPerformLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot, SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.<QueueLayout>b__258_0()
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.DispatcherOperation.InvokeImpl()
   at System.Windows.Threading.DispatcherOperation.InvokeInSecurityContext(Object state)
   at MS.Internal.CulturePreservingExecutionContext.CallbackWrapper(Object obj)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   at MS.Internal.CulturePreservingExecutionContext.Run(CulturePreservingExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Windows.Threading.DispatcherOperation.Invoke()
   at System.Windows.Threading.Dispatcher.ProcessQueue()
   at System.Windows.Threading.Dispatcher.WndProcHook(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.Dispatcher.LegacyInvokeImpl(DispatcherPriority priority, TimeSpan timeout, Delegate method, Object args, Int32 numArgs)
   at MS.Win32.HwndSubclass.SubclassWndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam)
[F#][INFO 10:01:23 PM] => FSharpColorizationService.AddSyntacticClassificationsAsync
   at System.Environment.GetStackTrace(Exception e, Boolean needFileInfo)
   at System.Environment.get_StackTrace()
   at Microsoft.VisualStudio.FSharp.Editor.Cancellation.track(String method, CancellationToken ct)
   at Microsoft.VisualStudio.FSharp.Editor.FSharpColorizationService.Microsoft-CodeAnalysis-Editor-IEditorClassificationService-AddSyntacticClassificationsAsync(Document document, TextSpan textSpan, List`1 result, CancellationToken cancellationToken)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpansForCurrentTree(IEditorClassificationService classificationService, SnapshotSpan span, Document document, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpans(IEditorClassificationService classificationService, SnapshotSpan span, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.Tagger.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<GetTagsForBuffer>d__38.MoveNext()
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<InternalGetTags>d__39.MoveNext()
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.InternalGetClassificationSpans(SnapshotSpan span, IEnumerable`1 tags)
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.GetClassificationSpans(SnapshotSpan span)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.CreateClassifiedRuns(SnapshotSpan span, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.Create(ITextAndAdornmentCollection elements, ITextSnapshot sourceSnapshot, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.FormattedLineSource.FormatLineInVisualBufferIfChanged(ITextSnapshotLine visualLine, IList`1 oldLines, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.FormatSnapshotLine(ITextSnapshotLine visualLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoLayoutDown(ITextSnapshotLine visualLine, Double referenceLine, Double effectiveViewportHeight, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoCompleteLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportHeight, Double& referenceLine, Double& distanceAboveReferenceLine, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.InnerPerformLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot, SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.<QueueLayout>b__258_0()
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.DispatcherOperation.InvokeImpl()
   at System.Windows.Threading.DispatcherOperation.InvokeInSecurityContext(Object state)
   at MS.Internal.CulturePreservingExecutionContext.CallbackWrapper(Object obj)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   at MS.Internal.CulturePreservingExecutionContext.Run(CulturePreservingExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Windows.Threading.DispatcherOperation.Invoke()
   at System.Windows.Threading.Dispatcher.ProcessQueue()
   at System.Windows.Threading.Dispatcher.WndProcHook(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.Dispatcher.LegacyInvokeImpl(DispatcherPriority priority, TimeSpan timeout, Delegate method, Object args, Int32 numArgs)
   at MS.Win32.HwndSubclass.SubclassWndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam)
[F#][INFO 10:01:23 PM] => FSharpColorizationService.AddSyntacticClassificationsAsync
   at System.Environment.GetStackTrace(Exception e, Boolean needFileInfo)
   at System.Environment.get_StackTrace()
   at Microsoft.VisualStudio.FSharp.Editor.Cancellation.track(String method, CancellationToken ct)
   at Microsoft.VisualStudio.FSharp.Editor.FSharpColorizationService.Microsoft-CodeAnalysis-Editor-IEditorClassificationService-AddSyntacticClassificationsAsync(Document document, TextSpan textSpan, List`1 result, CancellationToken cancellationToken)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpansForCurrentTree(IEditorClassificationService classificationService, SnapshotSpan span, Document document, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpans(IEditorClassificationService classificationService, SnapshotSpan span, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.Tagger.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<GetTagsForBuffer>d__38.MoveNext()
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<InternalGetTags>d__39.MoveNext()
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.InternalGetClassificationSpans(SnapshotSpan span, IEnumerable`1 tags)
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.GetClassificationSpans(SnapshotSpan span)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.CreateClassifiedRuns(SnapshotSpan span, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.Create(ITextAndAdornmentCollection elements, ITextSnapshot sourceSnapshot, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.FormattedLineSource.FormatLineInVisualBufferIfChanged(ITextSnapshotLine visualLine, IList`1 oldLines, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.FormatSnapshotLine(ITextSnapshotLine visualLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoLayoutDown(ITextSnapshotLine visualLine, Double referenceLine, Double effectiveViewportHeight, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoCompleteLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportHeight, Double& referenceLine, Double& distanceAboveReferenceLine, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.InnerPerformLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot, SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.<QueueLayout>b__258_0()
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.DispatcherOperation.InvokeImpl()
   at System.Windows.Threading.DispatcherOperation.InvokeInSecurityContext(Object state)
   at MS.Internal.CulturePreservingExecutionContext.CallbackWrapper(Object obj)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   at MS.Internal.CulturePreservingExecutionContext.Run(CulturePreservingExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Windows.Threading.DispatcherOperation.Invoke()
   at System.Windows.Threading.Dispatcher.ProcessQueue()
   at System.Windows.Threading.Dispatcher.WndProcHook(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.Dispatcher.LegacyInvokeImpl(DispatcherPriority priority, TimeSpan timeout, Delegate method, Object args, Int32 numArgs)
   at MS.Win32.HwndSubclass.SubclassWndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam)
[F#][INFO 10:01:23 PM] => FSharpColorizationService.AddSyntacticClassificationsAsync
   at System.Environment.GetStackTrace(Exception e, Boolean needFileInfo)
   at System.Environment.get_StackTrace()
   at Microsoft.VisualStudio.FSharp.Editor.Cancellation.track(String method, CancellationToken ct)
   at Microsoft.VisualStudio.FSharp.Editor.FSharpColorizationService.Microsoft-CodeAnalysis-Editor-IEditorClassificationService-AddSyntacticClassificationsAsync(Document document, TextSpan textSpan, List`1 result, CancellationToken cancellationToken)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpansForCurrentTree(IEditorClassificationService classificationService, SnapshotSpan span, Document document, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpans(IEditorClassificationService classificationService, SnapshotSpan span, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.Tagger.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<GetTagsForBuffer>d__38.MoveNext()
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<InternalGetTags>d__39.MoveNext()
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.InternalGetClassificationSpans(SnapshotSpan span, IEnumerable`1 tags)
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.GetClassificationSpans(SnapshotSpan span)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.CreateClassifiedRuns(SnapshotSpan span, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.Create(ITextAndAdornmentCollection elements, ITextSnapshot sourceSnapshot, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.FormattedLineSource.FormatLineInVisualBufferIfChanged(ITextSnapshotLine visualLine, IList`1 oldLines, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.FormatSnapshotLine(ITextSnapshotLine visualLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoLayoutDown(ITextSnapshotLine visualLine, Double referenceLine, Double effectiveViewportHeight, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoCompleteLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportHeight, Double& referenceLine, Double& distanceAboveReferenceLine, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.InnerPerformLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot, SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.<QueueLayout>b__258_0()
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.DispatcherOperation.InvokeImpl()
   at System.Windows.Threading.DispatcherOperation.InvokeInSecurityContext(Object state)
   at MS.Internal.CulturePreservingExecutionContext.CallbackWrapper(Object obj)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   at MS.Internal.CulturePreservingExecutionContext.Run(CulturePreservingExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Windows.Threading.DispatcherOperation.Invoke()
   at System.Windows.Threading.Dispatcher.ProcessQueue()
   at System.Windows.Threading.Dispatcher.WndProcHook(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.Dispatcher.LegacyInvokeImpl(DispatcherPriority priority, TimeSpan timeout, Delegate method, Object args, Int32 numArgs)
   at MS.Win32.HwndSubclass.SubclassWndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam)
[F#][INFO 10:01:23 PM] => FSharpColorizationService.AddSyntacticClassificationsAsync
   at System.Environment.GetStackTrace(Exception e, Boolean needFileInfo)
   at System.Environment.get_StackTrace()
   at Microsoft.VisualStudio.FSharp.Editor.Cancellation.track(String method, CancellationToken ct)
   at Microsoft.VisualStudio.FSharp.Editor.FSharpColorizationService.Microsoft-CodeAnalysis-Editor-IEditorClassificationService-AddSyntacticClassificationsAsync(Document document, TextSpan textSpan, List`1 result, CancellationToken cancellationToken)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpansForCurrentTree(IEditorClassificationService classificationService, SnapshotSpan span, Document document, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpans(IEditorClassificationService classificationService, SnapshotSpan span, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.Tagger.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<GetTagsForBuffer>d__38.MoveNext()
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<InternalGetTags>d__39.MoveNext()
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.InternalGetClassificationSpans(SnapshotSpan span, IEnumerable`1 tags)
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.GetClassificationSpans(SnapshotSpan span)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.CreateClassifiedRuns(SnapshotSpan span, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.Create(ITextAndAdornmentCollection elements, ITextSnapshot sourceSnapshot, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.FormattedLineSource.FormatLineInVisualBufferIfChanged(ITextSnapshotLine visualLine, IList`1 oldLines, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.FormatSnapshotLine(ITextSnapshotLine visualLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoLayoutDown(ITextSnapshotLine visualLine, Double referenceLine, Double effectiveViewportHeight, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoCompleteLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportHeight, Double& referenceLine, Double& distanceAboveReferenceLine, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.InnerPerformLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot, SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.<QueueLayout>b__258_0()
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.DispatcherOperation.InvokeImpl()
   at System.Windows.Threading.DispatcherOperation.InvokeInSecurityContext(Object state)
   at MS.Internal.CulturePreservingExecutionContext.CallbackWrapper(Object obj)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   at MS.Internal.CulturePreservingExecutionContext.Run(CulturePreservingExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Windows.Threading.DispatcherOperation.Invoke()
   at System.Windows.Threading.Dispatcher.ProcessQueue()
   at System.Windows.Threading.Dispatcher.WndProcHook(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.Dispatcher.LegacyInvokeImpl(DispatcherPriority priority, TimeSpan timeout, Delegate method, Object args, Int32 numArgs)
   at MS.Win32.HwndSubclass.SubclassWndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam)
[F#][INFO 10:01:23 PM] => FSharpColorizationService.AddSyntacticClassificationsAsync
   at System.Environment.GetStackTrace(Exception e, Boolean needFileInfo)
   at System.Environment.get_StackTrace()
   at Microsoft.VisualStudio.FSharp.Editor.Cancellation.track(String method, CancellationToken ct)
   at Microsoft.VisualStudio.FSharp.Editor.FSharpColorizationService.Microsoft-CodeAnalysis-Editor-IEditorClassificationService-AddSyntacticClassificationsAsync(Document document, TextSpan textSpan, List`1 result, CancellationToken cancellationToken)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpansForCurrentTree(IEditorClassificationService classificationService, SnapshotSpan span, Document document, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpans(IEditorClassificationService classificationService, SnapshotSpan span, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.Tagger.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<GetTagsForBuffer>d__38.MoveNext()
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<InternalGetTags>d__39.MoveNext()
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.InternalGetClassificationSpans(SnapshotSpan span, IEnumerable`1 tags)
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.GetClassificationSpans(SnapshotSpan span)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.CreateClassifiedRuns(SnapshotSpan span, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.Create(ITextAndAdornmentCollection elements, ITextSnapshot sourceSnapshot, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.FormattedLineSource.FormatLineInVisualBufferIfChanged(ITextSnapshotLine visualLine, IList`1 oldLines, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.FormatSnapshotLine(ITextSnapshotLine visualLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoLayoutDown(ITextSnapshotLine visualLine, Double referenceLine, Double effectiveViewportHeight, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoCompleteLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportHeight, Double& referenceLine, Double& distanceAboveReferenceLine, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.InnerPerformLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot, SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.<QueueLayout>b__258_0()
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.DispatcherOperation.InvokeImpl()
   at System.Windows.Threading.DispatcherOperation.InvokeInSecurityContext(Object state)
   at MS.Internal.CulturePreservingExecutionContext.CallbackWrapper(Object obj)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   at MS.Internal.CulturePreservingExecutionContext.Run(CulturePreservingExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Windows.Threading.DispatcherOperation.Invoke()
   at System.Windows.Threading.Dispatcher.ProcessQueue()
   at System.Windows.Threading.Dispatcher.WndProcHook(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.Dispatcher.LegacyInvokeImpl(DispatcherPriority priority, TimeSpan timeout, Delegate method, Object args, Int32 numArgs)
   at MS.Win32.HwndSubclass.SubclassWndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam)
[F#][INFO 10:01:23 PM] => FSharpColorizationService.AddSyntacticClassificationsAsync
   at System.Environment.GetStackTrace(Exception e, Boolean needFileInfo)
   at System.Environment.get_StackTrace()
   at Microsoft.VisualStudio.FSharp.Editor.Cancellation.track(String method, CancellationToken ct)
   at Microsoft.VisualStudio.FSharp.Editor.FSharpColorizationService.Microsoft-CodeAnalysis-Editor-IEditorClassificationService-AddSyntacticClassificationsAsync(Document document, TextSpan textSpan, List`1 result, CancellationToken cancellationToken)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpansForCurrentTree(IEditorClassificationService classificationService, SnapshotSpan span, Document document, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpans(IEditorClassificationService classificationService, SnapshotSpan span, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.Tagger.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<GetTagsForBuffer>d__38.MoveNext()
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<InternalGetTags>d__39.MoveNext()
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.InternalGetClassificationSpans(SnapshotSpan span, IEnumerable`1 tags)
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.GetClassificationSpans(SnapshotSpan span)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.CreateClassifiedRuns(SnapshotSpan span, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.Create(ITextAndAdornmentCollection elements, ITextSnapshot sourceSnapshot, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.FormattedLineSource.FormatLineInVisualBufferIfChanged(ITextSnapshotLine visualLine, IList`1 oldLines, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.FormatSnapshotLine(ITextSnapshotLine visualLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoLayoutDown(ITextSnapshotLine visualLine, Double referenceLine, Double effectiveViewportHeight, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoCompleteLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportHeight, Double& referenceLine, Double& distanceAboveReferenceLine, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.InnerPerformLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot, SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.<QueueLayout>b__258_0()
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.DispatcherOperation.InvokeImpl()
   at System.Windows.Threading.DispatcherOperation.InvokeInSecurityContext(Object state)
   at MS.Internal.CulturePreservingExecutionContext.CallbackWrapper(Object obj)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   at MS.Internal.CulturePreservingExecutionContext.Run(CulturePreservingExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Windows.Threading.DispatcherOperation.Invoke()
   at System.Windows.Threading.Dispatcher.ProcessQueue()
   at System.Windows.Threading.Dispatcher.WndProcHook(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.Dispatcher.LegacyInvokeImpl(DispatcherPriority priority, TimeSpan timeout, Delegate method, Object args, Int32 numArgs)
   at MS.Win32.HwndSubclass.SubclassWndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam)
[F#][INFO 10:01:23 PM] => FSharpColorizationService.AddSyntacticClassificationsAsync
   at System.Environment.GetStackTrace(Exception e, Boolean needFileInfo)
   at System.Environment.get_StackTrace()
   at Microsoft.VisualStudio.FSharp.Editor.Cancellation.track(String method, CancellationToken ct)
   at Microsoft.VisualStudio.FSharp.Editor.FSharpColorizationService.Microsoft-CodeAnalysis-Editor-IEditorClassificationService-AddSyntacticClassificationsAsync(Document document, TextSpan textSpan, List`1 result, CancellationToken cancellationToken)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpansForCurrentTree(IEditorClassificationService classificationService, SnapshotSpan span, Document document, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpans(IEditorClassificationService classificationService, SnapshotSpan span, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.Tagger.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<GetTagsForBuffer>d__38.MoveNext()
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<InternalGetTags>d__39.MoveNext()
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.InternalGetClassificationSpans(SnapshotSpan span, IEnumerable`1 tags)
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.GetClassificationSpans(SnapshotSpan span)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.CreateClassifiedRuns(SnapshotSpan span, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.Create(ITextAndAdornmentCollection elements, ITextSnapshot sourceSnapshot, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.FormattedLineSource.FormatLineInVisualBufferIfChanged(ITextSnapshotLine visualLine, IList`1 oldLines, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.FormatSnapshotLine(ITextSnapshotLine visualLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoLayoutDown(ITextSnapshotLine visualLine, Double referenceLine, Double effectiveViewportHeight, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoCompleteLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportHeight, Double& referenceLine, Double& distanceAboveReferenceLine, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.InnerPerformLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot, SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.<QueueLayout>b__258_0()
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.DispatcherOperation.InvokeImpl()
   at System.Windows.Threading.DispatcherOperation.InvokeInSecurityContext(Object state)
   at MS.Internal.CulturePreservingExecutionContext.CallbackWrapper(Object obj)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   at MS.Internal.CulturePreservingExecutionContext.Run(CulturePreservingExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Windows.Threading.DispatcherOperation.Invoke()
   at System.Windows.Threading.Dispatcher.ProcessQueue()
   at System.Windows.Threading.Dispatcher.WndProcHook(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.Dispatcher.LegacyInvokeImpl(DispatcherPriority priority, TimeSpan timeout, Delegate method, Object args, Int32 numArgs)
   at MS.Win32.HwndSubclass.SubclassWndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam)
[F#][INFO 10:01:23 PM] => FSharpColorizationService.AddSyntacticClassificationsAsync
   at System.Environment.GetStackTrace(Exception e, Boolean needFileInfo)
   at System.Environment.get_StackTrace()
   at Microsoft.VisualStudio.FSharp.Editor.Cancellation.track(String method, CancellationToken ct)
   at Microsoft.VisualStudio.FSharp.Editor.FSharpColorizationService.Microsoft-CodeAnalysis-Editor-IEditorClassificationService-AddSyntacticClassificationsAsync(Document document, TextSpan textSpan, List`1 result, CancellationToken cancellationToken)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpansForCurrentTree(IEditorClassificationService classificationService, SnapshotSpan span, Document document, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpans(IEditorClassificationService classificationService, SnapshotSpan span, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.Tagger.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<GetTagsForBuffer>d__38.MoveNext()
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<InternalGetTags>d__39.MoveNext()
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.InternalGetClassificationSpans(SnapshotSpan span, IEnumerable`1 tags)
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.GetClassificationSpans(SnapshotSpan span)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.CreateClassifiedRuns(SnapshotSpan span, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.Create(ITextAndAdornmentCollection elements, ITextSnapshot sourceSnapshot, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.FormattedLineSource.FormatLineInVisualBufferIfChanged(ITextSnapshotLine visualLine, IList`1 oldLines, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.FormatSnapshotLine(ITextSnapshotLine visualLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoLayoutDown(ITextSnapshotLine visualLine, Double referenceLine, Double effectiveViewportHeight, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoCompleteLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportHeight, Double& referenceLine, Double& distanceAboveReferenceLine, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.InnerPerformLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot, SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.<QueueLayout>b__258_0()
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.DispatcherOperation.InvokeImpl()
   at System.Windows.Threading.DispatcherOperation.InvokeInSecurityContext(Object state)
   at MS.Internal.CulturePreservingExecutionContext.CallbackWrapper(Object obj)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   at MS.Internal.CulturePreservingExecutionContext.Run(CulturePreservingExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Windows.Threading.DispatcherOperation.Invoke()
   at System.Windows.Threading.Dispatcher.ProcessQueue()
   at System.Windows.Threading.Dispatcher.WndProcHook(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.Dispatcher.LegacyInvokeImpl(DispatcherPriority priority, TimeSpan timeout, Delegate method, Object args, Int32 numArgs)
   at MS.Win32.HwndSubclass.SubclassWndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam)
[F#][INFO 10:01:23 PM] => FSharpColorizationService.AddSyntacticClassificationsAsync
   at System.Environment.GetStackTrace(Exception e, Boolean needFileInfo)
   at System.Environment.get_StackTrace()
   at Microsoft.VisualStudio.FSharp.Editor.Cancellation.track(String method, CancellationToken ct)
   at Microsoft.VisualStudio.FSharp.Editor.FSharpColorizationService.Microsoft-CodeAnalysis-Editor-IEditorClassificationService-AddSyntacticClassificationsAsync(Document document, TextSpan textSpan, List`1 result, CancellationToken cancellationToken)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpansForCurrentTree(IEditorClassificationService classificationService, SnapshotSpan span, Document document, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpans(IEditorClassificationService classificationService, SnapshotSpan span, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.Tagger.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<GetTagsForBuffer>d__38.MoveNext()
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<InternalGetTags>d__39.MoveNext()
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.InternalGetClassificationSpans(SnapshotSpan span, IEnumerable`1 tags)
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.GetClassificationSpans(SnapshotSpan span)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.CreateClassifiedRuns(SnapshotSpan span, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.Create(ITextAndAdornmentCollection elements, ITextSnapshot sourceSnapshot, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.FormattedLineSource.FormatLineInVisualBufferIfChanged(ITextSnapshotLine visualLine, IList`1 oldLines, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.FormatSnapshotLine(ITextSnapshotLine visualLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoLayoutDown(ITextSnapshotLine visualLine, Double referenceLine, Double effectiveViewportHeight, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoCompleteLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportHeight, Double& referenceLine, Double& distanceAboveReferenceLine, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.InnerPerformLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot, SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.<QueueLayout>b__258_0()
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.DispatcherOperation.InvokeImpl()
   at System.Windows.Threading.DispatcherOperation.InvokeInSecurityContext(Object state)
   at MS.Internal.CulturePreservingExecutionContext.CallbackWrapper(Object obj)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   at MS.Internal.CulturePreservingExecutionContext.Run(CulturePreservingExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Windows.Threading.DispatcherOperation.Invoke()
   at System.Windows.Threading.Dispatcher.ProcessQueue()
   at System.Windows.Threading.Dispatcher.WndProcHook(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.Dispatcher.LegacyInvokeImpl(DispatcherPriority priority, TimeSpan timeout, Delegate method, Object args, Int32 numArgs)
   at MS.Win32.HwndSubclass.SubclassWndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam)
[F#][INFO 10:01:23 PM] => FSharpColorizationService.AddSyntacticClassificationsAsync
   at System.Environment.GetStackTrace(Exception e, Boolean needFileInfo)
   at System.Environment.get_StackTrace()
   at Microsoft.VisualStudio.FSharp.Editor.Cancellation.track(String method, CancellationToken ct)
   at Microsoft.VisualStudio.FSharp.Editor.FSharpColorizationService.Microsoft-CodeAnalysis-Editor-IEditorClassificationService-AddSyntacticClassificationsAsync(Document document, TextSpan textSpan, List`1 result, CancellationToken cancellationToken)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpansForCurrentTree(IEditorClassificationService classificationService, SnapshotSpan span, Document document, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpans(IEditorClassificationService classificationService, SnapshotSpan span, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.Tagger.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<GetTagsForBuffer>d__38.MoveNext()
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<InternalGetTags>d__39.MoveNext()
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.InternalGetClassificationSpans(SnapshotSpan span, IEnumerable`1 tags)
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.GetClassificationSpans(SnapshotSpan span)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.CreateClassifiedRuns(SnapshotSpan span, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.Create(ITextAndAdornmentCollection elements, ITextSnapshot sourceSnapshot, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.FormattedLineSource.FormatLineInVisualBufferIfChanged(ITextSnapshotLine visualLine, IList`1 oldLines, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.FormatSnapshotLine(ITextSnapshotLine visualLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoLayoutDown(ITextSnapshotLine visualLine, Double referenceLine, Double effectiveViewportHeight, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoCompleteLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportHeight, Double& referenceLine, Double& distanceAboveReferenceLine, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.InnerPerformLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot, SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.<QueueLayout>b__258_0()
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.DispatcherOperation.InvokeImpl()
   at System.Windows.Threading.DispatcherOperation.InvokeInSecurityContext(Object state)
   at MS.Internal.CulturePreservingExecutionContext.CallbackWrapper(Object obj)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   at MS.Internal.CulturePreservingExecutionContext.Run(CulturePreservingExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Windows.Threading.DispatcherOperation.Invoke()
   at System.Windows.Threading.Dispatcher.ProcessQueue()
   at System.Windows.Threading.Dispatcher.WndProcHook(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.Dispatcher.LegacyInvokeImpl(DispatcherPriority priority, TimeSpan timeout, Delegate method, Object args, Int32 numArgs)
   at MS.Win32.HwndSubclass.SubclassWndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam)
[F#][INFO 10:01:23 PM] => FSharpColorizationService.AddSyntacticClassificationsAsync
   at System.Environment.GetStackTrace(Exception e, Boolean needFileInfo)
   at System.Environment.get_StackTrace()
   at Microsoft.VisualStudio.FSharp.Editor.Cancellation.track(String method, CancellationToken ct)
   at Microsoft.VisualStudio.FSharp.Editor.FSharpColorizationService.Microsoft-CodeAnalysis-Editor-IEditorClassificationService-AddSyntacticClassificationsAsync(Document document, TextSpan textSpan, List`1 result, CancellationToken cancellationToken)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpansForCurrentTree(IEditorClassificationService classificationService, SnapshotSpan span, Document document, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpans(IEditorClassificationService classificationService, SnapshotSpan span, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.Tagger.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<GetTagsForBuffer>d__38.MoveNext()
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<InternalGetTags>d__39.MoveNext()
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.InternalGetClassificationSpans(SnapshotSpan span, IEnumerable`1 tags)
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.GetClassificationSpans(SnapshotSpan span)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.CreateClassifiedRuns(SnapshotSpan span, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.Create(ITextAndAdornmentCollection elements, ITextSnapshot sourceSnapshot, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.FormattedLineSource.FormatLineInVisualBufferIfChanged(ITextSnapshotLine visualLine, IList`1 oldLines, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.FormatSnapshotLine(ITextSnapshotLine visualLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoLayoutDown(ITextSnapshotLine visualLine, Double referenceLine, Double effectiveViewportHeight, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoCompleteLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportHeight, Double& referenceLine, Double& distanceAboveReferenceLine, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.InnerPerformLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot, SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.<QueueLayout>b__258_0()
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.DispatcherOperation.InvokeImpl()
   at System.Windows.Threading.DispatcherOperation.InvokeInSecurityContext(Object state)
   at MS.Internal.CulturePreservingExecutionContext.CallbackWrapper(Object obj)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   at MS.Internal.CulturePreservingExecutionContext.Run(CulturePreservingExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Windows.Threading.DispatcherOperation.Invoke()
   at System.Windows.Threading.Dispatcher.ProcessQueue()
   at System.Windows.Threading.Dispatcher.WndProcHook(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.Dispatcher.LegacyInvokeImpl(DispatcherPriority priority, TimeSpan timeout, Delegate method, Object args, Int32 numArgs)
   at MS.Win32.HwndSubclass.SubclassWndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam)
[F#][INFO 10:01:23 PM] => FSharpColorizationService.AddSyntacticClassificationsAsync
   at System.Environment.GetStackTrace(Exception e, Boolean needFileInfo)
   at System.Environment.get_StackTrace()
   at Microsoft.VisualStudio.FSharp.Editor.Cancellation.track(String method, CancellationToken ct)
   at Microsoft.VisualStudio.FSharp.Editor.FSharpColorizationService.Microsoft-CodeAnalysis-Editor-IEditorClassificationService-AddSyntacticClassificationsAsync(Document document, TextSpan textSpan, List`1 result, CancellationToken cancellationToken)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpansForCurrentTree(IEditorClassificationService classificationService, SnapshotSpan span, Document document, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpans(IEditorClassificationService classificationService, SnapshotSpan span, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.Tagger.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<GetTagsForBuffer>d__38.MoveNext()
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<InternalGetTags>d__39.MoveNext()
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.InternalGetClassificationSpans(SnapshotSpan span, IEnumerable`1 tags)
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.GetClassificationSpans(SnapshotSpan span)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.CreateClassifiedRuns(SnapshotSpan span, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.Create(ITextAndAdornmentCollection elements, ITextSnapshot sourceSnapshot, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.FormattedLineSource.FormatLineInVisualBufferIfChanged(ITextSnapshotLine visualLine, IList`1 oldLines, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.FormatSnapshotLine(ITextSnapshotLine visualLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoLayoutDown(ITextSnapshotLine visualLine, Double referenceLine, Double effectiveViewportHeight, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoCompleteLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportHeight, Double& referenceLine, Double& distanceAboveReferenceLine, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.InnerPerformLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot, SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.<QueueLayout>b__258_0()
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.DispatcherOperation.InvokeImpl()
   at System.Windows.Threading.DispatcherOperation.InvokeInSecurityContext(Object state)
   at MS.Internal.CulturePreservingExecutionContext.CallbackWrapper(Object obj)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   at MS.Internal.CulturePreservingExecutionContext.Run(CulturePreservingExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Windows.Threading.DispatcherOperation.Invoke()
   at System.Windows.Threading.Dispatcher.ProcessQueue()
   at System.Windows.Threading.Dispatcher.WndProcHook(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.Dispatcher.LegacyInvokeImpl(DispatcherPriority priority, TimeSpan timeout, Delegate method, Object args, Int32 numArgs)
   at MS.Win32.HwndSubclass.SubclassWndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam)
[F#][INFO 10:01:23 PM] => FSharpColorizationService.AddSyntacticClassificationsAsync
   at System.Environment.GetStackTrace(Exception e, Boolean needFileInfo)
   at System.Environment.get_StackTrace()
   at Microsoft.VisualStudio.FSharp.Editor.Cancellation.track(String method, CancellationToken ct)
   at Microsoft.VisualStudio.FSharp.Editor.FSharpColorizationService.Microsoft-CodeAnalysis-Editor-IEditorClassificationService-AddSyntacticClassificationsAsync(Document document, TextSpan textSpan, List`1 result, CancellationToken cancellationToken)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpansForCurrentTree(IEditorClassificationService classificationService, SnapshotSpan span, Document document, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpans(IEditorClassificationService classificationService, SnapshotSpan span, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.Tagger.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<GetTagsForBuffer>d__38.MoveNext()
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<InternalGetTags>d__39.MoveNext()
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.InternalGetClassificationSpans(SnapshotSpan span, IEnumerable`1 tags)
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.GetClassificationSpans(SnapshotSpan span)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.CreateClassifiedRuns(SnapshotSpan span, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.Create(ITextAndAdornmentCollection elements, ITextSnapshot sourceSnapshot, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.FormattedLineSource.FormatLineInVisualBufferIfChanged(ITextSnapshotLine visualLine, IList`1 oldLines, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.FormatSnapshotLine(ITextSnapshotLine visualLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoLayoutDown(ITextSnapshotLine visualLine, Double referenceLine, Double effectiveViewportHeight, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoCompleteLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportHeight, Double& referenceLine, Double& distanceAboveReferenceLine, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.InnerPerformLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot, SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.<QueueLayout>b__258_0()
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.DispatcherOperation.InvokeImpl()
   at System.Windows.Threading.DispatcherOperation.InvokeInSecurityContext(Object state)
   at MS.Internal.CulturePreservingExecutionContext.CallbackWrapper(Object obj)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   at MS.Internal.CulturePreservingExecutionContext.Run(CulturePreservingExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Windows.Threading.DispatcherOperation.Invoke()
   at System.Windows.Threading.Dispatcher.ProcessQueue()
   at System.Windows.Threading.Dispatcher.WndProcHook(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.Dispatcher.LegacyInvokeImpl(DispatcherPriority priority, TimeSpan timeout, Delegate method, Object args, Int32 numArgs)
   at MS.Win32.HwndSubclass.SubclassWndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam)
[F#][INFO 10:01:23 PM] => FSharpColorizationService.AddSyntacticClassificationsAsync
   at System.Environment.GetStackTrace(Exception e, Boolean needFileInfo)
   at System.Environment.get_StackTrace()
   at Microsoft.VisualStudio.FSharp.Editor.Cancellation.track(String method, CancellationToken ct)
   at Microsoft.VisualStudio.FSharp.Editor.FSharpColorizationService.Microsoft-CodeAnalysis-Editor-IEditorClassificationService-AddSyntacticClassificationsAsync(Document document, TextSpan textSpan, List`1 result, CancellationToken cancellationToken)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpansForCurrentTree(IEditorClassificationService classificationService, SnapshotSpan span, Document document, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpans(IEditorClassificationService classificationService, SnapshotSpan span, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.Tagger.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<GetTagsForBuffer>d__38.MoveNext()
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<InternalGetTags>d__39.MoveNext()
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.InternalGetClassificationSpans(SnapshotSpan span, IEnumerable`1 tags)
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.GetClassificationSpans(SnapshotSpan span)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.CreateClassifiedRuns(SnapshotSpan span, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.Create(ITextAndAdornmentCollection elements, ITextSnapshot sourceSnapshot, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.FormattedLineSource.FormatLineInVisualBufferIfChanged(ITextSnapshotLine visualLine, IList`1 oldLines, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.FormatSnapshotLine(ITextSnapshotLine visualLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoLayoutDown(ITextSnapshotLine visualLine, Double referenceLine, Double effectiveViewportHeight, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoCompleteLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportHeight, Double& referenceLine, Double& distanceAboveReferenceLine, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.InnerPerformLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot, SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.<QueueLayout>b__258_0()
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.DispatcherOperation.InvokeImpl()
   at System.Windows.Threading.DispatcherOperation.InvokeInSecurityContext(Object state)
   at MS.Internal.CulturePreservingExecutionContext.CallbackWrapper(Object obj)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   at MS.Internal.CulturePreservingExecutionContext.Run(CulturePreservingExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Windows.Threading.DispatcherOperation.Invoke()
   at System.Windows.Threading.Dispatcher.ProcessQueue()
   at System.Windows.Threading.Dispatcher.WndProcHook(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.Dispatcher.LegacyInvokeImpl(DispatcherPriority priority, TimeSpan timeout, Delegate method, Object args, Int32 numArgs)
   at MS.Win32.HwndSubclass.SubclassWndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam)
[F#][INFO 10:01:23 PM] => FSharpColorizationService.AddSyntacticClassificationsAsync
   at System.Environment.GetStackTrace(Exception e, Boolean needFileInfo)
   at System.Environment.get_StackTrace()
   at Microsoft.VisualStudio.FSharp.Editor.Cancellation.track(String method, CancellationToken ct)
   at Microsoft.VisualStudio.FSharp.Editor.FSharpColorizationService.Microsoft-CodeAnalysis-Editor-IEditorClassificationService-AddSyntacticClassificationsAsync(Document document, TextSpan textSpan, List`1 result, CancellationToken cancellationToken)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpansForCurrentTree(IEditorClassificationService classificationService, SnapshotSpan span, Document document, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpans(IEditorClassificationService classificationService, SnapshotSpan span, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.Tagger.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<GetTagsForBuffer>d__38.MoveNext()
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<InternalGetTags>d__39.MoveNext()
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.InternalGetClassificationSpans(SnapshotSpan span, IEnumerable`1 tags)
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.GetClassificationSpans(SnapshotSpan span)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.CreateClassifiedRuns(SnapshotSpan span, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.Create(ITextAndAdornmentCollection elements, ITextSnapshot sourceSnapshot, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.FormattedLineSource.FormatLineInVisualBufferIfChanged(ITextSnapshotLine visualLine, IList`1 oldLines, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.FormatSnapshotLine(ITextSnapshotLine visualLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoLayoutDown(ITextSnapshotLine visualLine, Double referenceLine, Double effectiveViewportHeight, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoCompleteLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportHeight, Double& referenceLine, Double& distanceAboveReferenceLine, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.InnerPerformLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot, SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.<QueueLayout>b__258_0()
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.DispatcherOperation.InvokeImpl()
   at System.Windows.Threading.DispatcherOperation.InvokeInSecurityContext(Object state)
   at MS.Internal.CulturePreservingExecutionContext.CallbackWrapper(Object obj)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   at MS.Internal.CulturePreservingExecutionContext.Run(CulturePreservingExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Windows.Threading.DispatcherOperation.Invoke()
   at System.Windows.Threading.Dispatcher.ProcessQueue()
   at System.Windows.Threading.Dispatcher.WndProcHook(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.Dispatcher.LegacyInvokeImpl(DispatcherPriority priority, TimeSpan timeout, Delegate method, Object args, Int32 numArgs)
   at MS.Win32.HwndSubclass.SubclassWndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam)
[F#][INFO 10:01:23 PM] => FSharpColorizationService.AddSyntacticClassificationsAsync
   at System.Environment.GetStackTrace(Exception e, Boolean needFileInfo)
   at System.Environment.get_StackTrace()
   at Microsoft.VisualStudio.FSharp.Editor.Cancellation.track(String method, CancellationToken ct)
   at Microsoft.VisualStudio.FSharp.Editor.FSharpColorizationService.Microsoft-CodeAnalysis-Editor-IEditorClassificationService-AddSyntacticClassificationsAsync(Document document, TextSpan textSpan, List`1 result, CancellationToken cancellationToken)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpansForCurrentTree(IEditorClassificationService classificationService, SnapshotSpan span, Document document, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpans(IEditorClassificationService classificationService, SnapshotSpan span, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.Tagger.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<GetTagsForBuffer>d__38.MoveNext()
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<InternalGetTags>d__39.MoveNext()
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.InternalGetClassificationSpans(SnapshotSpan span, IEnumerable`1 tags)
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.GetClassificationSpans(SnapshotSpan span)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.CreateClassifiedRuns(SnapshotSpan span, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.Create(ITextAndAdornmentCollection elements, ITextSnapshot sourceSnapshot, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.FormattedLineSource.FormatLineInVisualBufferIfChanged(ITextSnapshotLine visualLine, IList`1 oldLines, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.FormatSnapshotLine(ITextSnapshotLine visualLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoLayoutDown(ITextSnapshotLine visualLine, Double referenceLine, Double effectiveViewportHeight, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoCompleteLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportHeight, Double& referenceLine, Double& distanceAboveReferenceLine, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.InnerPerformLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot, SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.<QueueLayout>b__258_0()
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.DispatcherOperation.InvokeImpl()
   at System.Windows.Threading.DispatcherOperation.InvokeInSecurityContext(Object state)
   at MS.Internal.CulturePreservingExecutionContext.CallbackWrapper(Object obj)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   at MS.Internal.CulturePreservingExecutionContext.Run(CulturePreservingExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Windows.Threading.DispatcherOperation.Invoke()
   at System.Windows.Threading.Dispatcher.ProcessQueue()
   at System.Windows.Threading.Dispatcher.WndProcHook(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.Dispatcher.LegacyInvokeImpl(DispatcherPriority priority, TimeSpan timeout, Delegate method, Object args, Int32 numArgs)
   at MS.Win32.HwndSubclass.SubclassWndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam)
[F#][INFO 10:01:23 PM] => FSharpColorizationService.AddSyntacticClassificationsAsync
   at System.Environment.GetStackTrace(Exception e, Boolean needFileInfo)
   at System.Environment.get_StackTrace()
   at Microsoft.VisualStudio.FSharp.Editor.Cancellation.track(String method, CancellationToken ct)
   at Microsoft.VisualStudio.FSharp.Editor.FSharpColorizationService.Microsoft-CodeAnalysis-Editor-IEditorClassificationService-AddSyntacticClassificationsAsync(Document document, TextSpan textSpan, List`1 result, CancellationToken cancellationToken)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpansForCurrentTree(IEditorClassificationService classificationService, SnapshotSpan span, Document document, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpans(IEditorClassificationService classificationService, SnapshotSpan span, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.Tagger.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<GetTagsForBuffer>d__38.MoveNext()
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<InternalGetTags>d__39.MoveNext()
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.InternalGetClassificationSpans(SnapshotSpan span, IEnumerable`1 tags)
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.GetClassificationSpans(SnapshotSpan span)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.CreateClassifiedRuns(SnapshotSpan span, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.Create(ITextAndAdornmentCollection elements, ITextSnapshot sourceSnapshot, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.FormattedLineSource.FormatLineInVisualBufferIfChanged(ITextSnapshotLine visualLine, IList`1 oldLines, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.FormatSnapshotLine(ITextSnapshotLine visualLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoLayoutDown(ITextSnapshotLine visualLine, Double referenceLine, Double effectiveViewportHeight, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoCompleteLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportHeight, Double& referenceLine, Double& distanceAboveReferenceLine, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.InnerPerformLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot, SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.<QueueLayout>b__258_0()
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.DispatcherOperation.InvokeImpl()
   at System.Windows.Threading.DispatcherOperation.InvokeInSecurityContext(Object state)
   at MS.Internal.CulturePreservingExecutionContext.CallbackWrapper(Object obj)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   at MS.Internal.CulturePreservingExecutionContext.Run(CulturePreservingExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Windows.Threading.DispatcherOperation.Invoke()
   at System.Windows.Threading.Dispatcher.ProcessQueue()
   at System.Windows.Threading.Dispatcher.WndProcHook(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.Dispatcher.LegacyInvokeImpl(DispatcherPriority priority, TimeSpan timeout, Delegate method, Object args, Int32 numArgs)
   at MS.Win32.HwndSubclass.SubclassWndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam)
[F#][INFO 10:01:23 PM] => FSharpColorizationService.AddSyntacticClassificationsAsync
   at System.Environment.GetStackTrace(Exception e, Boolean needFileInfo)
   at System.Environment.get_StackTrace()
   at Microsoft.VisualStudio.FSharp.Editor.Cancellation.track(String method, CancellationToken ct)
   at Microsoft.VisualStudio.FSharp.Editor.FSharpColorizationService.Microsoft-CodeAnalysis-Editor-IEditorClassificationService-AddSyntacticClassificationsAsync(Document document, TextSpan textSpan, List`1 result, CancellationToken cancellationToken)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpansForCurrentTree(IEditorClassificationService classificationService, SnapshotSpan span, Document document, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpans(IEditorClassificationService classificationService, SnapshotSpan span, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.Tagger.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<GetTagsForBuffer>d__38.MoveNext()
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<InternalGetTags>d__39.MoveNext()
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.InternalGetClassificationSpans(SnapshotSpan span, IEnumerable`1 tags)
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.GetClassificationSpans(SnapshotSpan span)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.CreateClassifiedRuns(SnapshotSpan span, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.Create(ITextAndAdornmentCollection elements, ITextSnapshot sourceSnapshot, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.FormattedLineSource.FormatLineInVisualBufferIfChanged(ITextSnapshotLine visualLine, IList`1 oldLines, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.FormatSnapshotLine(ITextSnapshotLine visualLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoLayoutDown(ITextSnapshotLine visualLine, Double referenceLine, Double effectiveViewportHeight, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoCompleteLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportHeight, Double& referenceLine, Double& distanceAboveReferenceLine, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.InnerPerformLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot, SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.<QueueLayout>b__258_0()
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.DispatcherOperation.InvokeImpl()
   at System.Windows.Threading.DispatcherOperation.InvokeInSecurityContext(Object state)
   at MS.Internal.CulturePreservingExecutionContext.CallbackWrapper(Object obj)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   at MS.Internal.CulturePreservingExecutionContext.Run(CulturePreservingExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Windows.Threading.DispatcherOperation.Invoke()
   at System.Windows.Threading.Dispatcher.ProcessQueue()
   at System.Windows.Threading.Dispatcher.WndProcHook(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.Dispatcher.LegacyInvokeImpl(DispatcherPriority priority, TimeSpan timeout, Delegate method, Object args, Int32 numArgs)
   at MS.Win32.HwndSubclass.SubclassWndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam)
[F#][INFO 10:01:23 PM] => FSharpColorizationService.AddSyntacticClassificationsAsync
   at System.Environment.GetStackTrace(Exception e, Boolean needFileInfo)
   at System.Environment.get_StackTrace()
   at Microsoft.VisualStudio.FSharp.Editor.Cancellation.track(String method, CancellationToken ct)
   at Microsoft.VisualStudio.FSharp.Editor.FSharpColorizationService.Microsoft-CodeAnalysis-Editor-IEditorClassificationService-AddSyntacticClassificationsAsync(Document document, TextSpan textSpan, List`1 result, CancellationToken cancellationToken)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpansForCurrentTree(IEditorClassificationService classificationService, SnapshotSpan span, Document document, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpans(IEditorClassificationService classificationService, SnapshotSpan span, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.Tagger.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<GetTagsForBuffer>d__38.MoveNext()
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<InternalGetTags>d__39.MoveNext()
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.InternalGetClassificationSpans(SnapshotSpan span, IEnumerable`1 tags)
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.GetClassificationSpans(SnapshotSpan span)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.CreateClassifiedRuns(SnapshotSpan span, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.Create(ITextAndAdornmentCollection elements, ITextSnapshot sourceSnapshot, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.FormattedLineSource.FormatLineInVisualBufferIfChanged(ITextSnapshotLine visualLine, IList`1 oldLines, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.FormatSnapshotLine(ITextSnapshotLine visualLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoLayoutDown(ITextSnapshotLine visualLine, Double referenceLine, Double effectiveViewportHeight, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoCompleteLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportHeight, Double& referenceLine, Double& distanceAboveReferenceLine, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.InnerPerformLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot, SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.<QueueLayout>b__258_0()
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.DispatcherOperation.InvokeImpl()
   at System.Windows.Threading.DispatcherOperation.InvokeInSecurityContext(Object state)
   at MS.Internal.CulturePreservingExecutionContext.CallbackWrapper(Object obj)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   at MS.Internal.CulturePreservingExecutionContext.Run(CulturePreservingExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Windows.Threading.DispatcherOperation.Invoke()
   at System.Windows.Threading.Dispatcher.ProcessQueue()
   at System.Windows.Threading.Dispatcher.WndProcHook(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.Dispatcher.LegacyInvokeImpl(DispatcherPriority priority, TimeSpan timeout, Delegate method, Object args, Int32 numArgs)
   at MS.Win32.HwndSubclass.SubclassWndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam)
[F#][INFO 10:01:23 PM] => FSharpColorizationService.AddSyntacticClassificationsAsync
   at System.Environment.GetStackTrace(Exception e, Boolean needFileInfo)
   at System.Environment.get_StackTrace()
   at Microsoft.VisualStudio.FSharp.Editor.Cancellation.track(String method, CancellationToken ct)
   at Microsoft.VisualStudio.FSharp.Editor.FSharpColorizationService.Microsoft-CodeAnalysis-Editor-IEditorClassificationService-AddSyntacticClassificationsAsync(Document document, TextSpan textSpan, List`1 result, CancellationToken cancellationToken)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpansForCurrentTree(IEditorClassificationService classificationService, SnapshotSpan span, Document document, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpans(IEditorClassificationService classificationService, SnapshotSpan span, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.Tagger.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<GetTagsForBuffer>d__38.MoveNext()
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<InternalGetTags>d__39.MoveNext()
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.InternalGetClassificationSpans(SnapshotSpan span, IEnumerable`1 tags)
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.GetClassificationSpans(SnapshotSpan span)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.CreateClassifiedRuns(SnapshotSpan span, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.Create(ITextAndAdornmentCollection elements, ITextSnapshot sourceSnapshot, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.FormattedLineSource.FormatLineInVisualBufferIfChanged(ITextSnapshotLine visualLine, IList`1 oldLines, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.FormatSnapshotLine(ITextSnapshotLine visualLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoLayoutDown(ITextSnapshotLine visualLine, Double referenceLine, Double effectiveViewportHeight, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoCompleteLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportHeight, Double& referenceLine, Double& distanceAboveReferenceLine, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.InnerPerformLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot, SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.<QueueLayout>b__258_0()
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.DispatcherOperation.InvokeImpl()
   at System.Windows.Threading.DispatcherOperation.InvokeInSecurityContext(Object state)
   at MS.Internal.CulturePreservingExecutionContext.CallbackWrapper(Object obj)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   at MS.Internal.CulturePreservingExecutionContext.Run(CulturePreservingExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Windows.Threading.DispatcherOperation.Invoke()
   at System.Windows.Threading.Dispatcher.ProcessQueue()
   at System.Windows.Threading.Dispatcher.WndProcHook(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.Dispatcher.LegacyInvokeImpl(DispatcherPriority priority, TimeSpan timeout, Delegate method, Object args, Int32 numArgs)
   at MS.Win32.HwndSubclass.SubclassWndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam)
[F#][INFO 10:01:23 PM] => FSharpColorizationService.AddSyntacticClassificationsAsync
   at System.Environment.GetStackTrace(Exception e, Boolean needFileInfo)
   at System.Environment.get_StackTrace()
   at Microsoft.VisualStudio.FSharp.Editor.Cancellation.track(String method, CancellationToken ct)
   at Microsoft.VisualStudio.FSharp.Editor.FSharpColorizationService.Microsoft-CodeAnalysis-Editor-IEditorClassificationService-AddSyntacticClassificationsAsync(Document document, TextSpan textSpan, List`1 result, CancellationToken cancellationToken)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpansForCurrentTree(IEditorClassificationService classificationService, SnapshotSpan span, Document document, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpans(IEditorClassificationService classificationService, SnapshotSpan span, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.Tagger.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<GetTagsForBuffer>d__38.MoveNext()
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<InternalGetTags>d__39.MoveNext()
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.InternalGetClassificationSpans(SnapshotSpan span, IEnumerable`1 tags)
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.GetClassificationSpans(SnapshotSpan span)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.CreateClassifiedRuns(SnapshotSpan span, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.Create(ITextAndAdornmentCollection elements, ITextSnapshot sourceSnapshot, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.FormattedLineSource.FormatLineInVisualBufferIfChanged(ITextSnapshotLine visualLine, IList`1 oldLines, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.FormatSnapshotLine(ITextSnapshotLine visualLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoLayoutDown(ITextSnapshotLine visualLine, Double referenceLine, Double effectiveViewportHeight, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoCompleteLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportHeight, Double& referenceLine, Double& distanceAboveReferenceLine, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.InnerPerformLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot, SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.<QueueLayout>b__258_0()
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.DispatcherOperation.InvokeImpl()
   at System.Windows.Threading.DispatcherOperation.InvokeInSecurityContext(Object state)
   at MS.Internal.CulturePreservingExecutionContext.CallbackWrapper(Object obj)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   at MS.Internal.CulturePreservingExecutionContext.Run(CulturePreservingExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Windows.Threading.DispatcherOperation.Invoke()
   at System.Windows.Threading.Dispatcher.ProcessQueue()
   at System.Windows.Threading.Dispatcher.WndProcHook(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.Dispatcher.LegacyInvokeImpl(DispatcherPriority priority, TimeSpan timeout, Delegate method, Object args, Int32 numArgs)
   at MS.Win32.HwndSubclass.SubclassWndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam)
[F#][INFO 10:01:23 PM] => FSharpColorizationService.AddSyntacticClassificationsAsync
   at System.Environment.GetStackTrace(Exception e, Boolean needFileInfo)
   at System.Environment.get_StackTrace()
   at Microsoft.VisualStudio.FSharp.Editor.Cancellation.track(String method, CancellationToken ct)
   at Microsoft.VisualStudio.FSharp.Editor.FSharpColorizationService.Microsoft-CodeAnalysis-Editor-IEditorClassificationService-AddSyntacticClassificationsAsync(Document document, TextSpan textSpan, List`1 result, CancellationToken cancellationToken)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpansForCurrentTree(IEditorClassificationService classificationService, SnapshotSpan span, Document document, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpans(IEditorClassificationService classificationService, SnapshotSpan span, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.Tagger.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<GetTagsForBuffer>d__38.MoveNext()
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<InternalGetTags>d__39.MoveNext()
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.InternalGetClassificationSpans(SnapshotSpan span, IEnumerable`1 tags)
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.GetClassificationSpans(SnapshotSpan span)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.CreateClassifiedRuns(SnapshotSpan span, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.Create(ITextAndAdornmentCollection elements, ITextSnapshot sourceSnapshot, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.FormattedLineSource.FormatLineInVisualBufferIfChanged(ITextSnapshotLine visualLine, IList`1 oldLines, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.FormatSnapshotLine(ITextSnapshotLine visualLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoLayoutDown(ITextSnapshotLine visualLine, Double referenceLine, Double effectiveViewportHeight, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoCompleteLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportHeight, Double& referenceLine, Double& distanceAboveReferenceLine, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.InnerPerformLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot, SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.<QueueLayout>b__258_0()
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.DispatcherOperation.InvokeImpl()
   at System.Windows.Threading.DispatcherOperation.InvokeInSecurityContext(Object state)
   at MS.Internal.CulturePreservingExecutionContext.CallbackWrapper(Object obj)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   at MS.Internal.CulturePreservingExecutionContext.Run(CulturePreservingExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Windows.Threading.DispatcherOperation.Invoke()
   at System.Windows.Threading.Dispatcher.ProcessQueue()
   at System.Windows.Threading.Dispatcher.WndProcHook(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.Dispatcher.LegacyInvokeImpl(DispatcherPriority priority, TimeSpan timeout, Delegate method, Object args, Int32 numArgs)
   at MS.Win32.HwndSubclass.SubclassWndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam)
[F#][INFO 10:01:23 PM] => FSharpColorizationService.AddSyntacticClassificationsAsync
   at System.Environment.GetStackTrace(Exception e, Boolean needFileInfo)
   at System.Environment.get_StackTrace()
   at Microsoft.VisualStudio.FSharp.Editor.Cancellation.track(String method, CancellationToken ct)
   at Microsoft.VisualStudio.FSharp.Editor.FSharpColorizationService.Microsoft-CodeAnalysis-Editor-IEditorClassificationService-AddSyntacticClassificationsAsync(Document document, TextSpan textSpan, List`1 result, CancellationToken cancellationToken)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpansForCurrentTree(IEditorClassificationService classificationService, SnapshotSpan span, Document document, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpans(IEditorClassificationService classificationService, SnapshotSpan span, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.Tagger.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<GetTagsForBuffer>d__38.MoveNext()
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<InternalGetTags>d__39.MoveNext()
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.InternalGetClassificationSpans(SnapshotSpan span, IEnumerable`1 tags)
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.GetClassificationSpans(SnapshotSpan span)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.CreateClassifiedRuns(SnapshotSpan span, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.Create(ITextAndAdornmentCollection elements, ITextSnapshot sourceSnapshot, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.FormattedLineSource.FormatLineInVisualBufferIfChanged(ITextSnapshotLine visualLine, IList`1 oldLines, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.FormatSnapshotLine(ITextSnapshotLine visualLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoLayoutDown(ITextSnapshotLine visualLine, Double referenceLine, Double effectiveViewportHeight, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoCompleteLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportHeight, Double& referenceLine, Double& distanceAboveReferenceLine, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.InnerPerformLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot, SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.<QueueLayout>b__258_0()
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.DispatcherOperation.InvokeImpl()
   at System.Windows.Threading.DispatcherOperation.InvokeInSecurityContext(Object state)
   at MS.Internal.CulturePreservingExecutionContext.CallbackWrapper(Object obj)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   at MS.Internal.CulturePreservingExecutionContext.Run(CulturePreservingExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Windows.Threading.DispatcherOperation.Invoke()
   at System.Windows.Threading.Dispatcher.ProcessQueue()
   at System.Windows.Threading.Dispatcher.WndProcHook(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.Dispatcher.LegacyInvokeImpl(DispatcherPriority priority, TimeSpan timeout, Delegate method, Object args, Int32 numArgs)
   at MS.Win32.HwndSubclass.SubclassWndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam)
[F#][INFO 10:01:23 PM] => FSharpColorizationService.AddSyntacticClassificationsAsync
   at System.Environment.GetStackTrace(Exception e, Boolean needFileInfo)
   at System.Environment.get_StackTrace()
   at Microsoft.VisualStudio.FSharp.Editor.Cancellation.track(String method, CancellationToken ct)
   at Microsoft.VisualStudio.FSharp.Editor.FSharpColorizationService.Microsoft-CodeAnalysis-Editor-IEditorClassificationService-AddSyntacticClassificationsAsync(Document document, TextSpan textSpan, List`1 result, CancellationToken cancellationToken)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpansForCurrentTree(IEditorClassificationService classificationService, SnapshotSpan span, Document document, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpans(IEditorClassificationService classificationService, SnapshotSpan span, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.Tagger.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<GetTagsForBuffer>d__38.MoveNext()
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<InternalGetTags>d__39.MoveNext()
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.InternalGetClassificationSpans(SnapshotSpan span, IEnumerable`1 tags)
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.GetClassificationSpans(SnapshotSpan span)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.CreateClassifiedRuns(SnapshotSpan span, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.Create(ITextAndAdornmentCollection elements, ITextSnapshot sourceSnapshot, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.FormattedLineSource.FormatLineInVisualBufferIfChanged(ITextSnapshotLine visualLine, IList`1 oldLines, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.FormatSnapshotLine(ITextSnapshotLine visualLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoLayoutDown(ITextSnapshotLine visualLine, Double referenceLine, Double effectiveViewportHeight, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoCompleteLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportHeight, Double& referenceLine, Double& distanceAboveReferenceLine, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.InnerPerformLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot, SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.<QueueLayout>b__258_0()
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.DispatcherOperation.InvokeImpl()
   at System.Windows.Threading.DispatcherOperation.InvokeInSecurityContext(Object state)
   at MS.Internal.CulturePreservingExecutionContext.CallbackWrapper(Object obj)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   at MS.Internal.CulturePreservingExecutionContext.Run(CulturePreservingExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Windows.Threading.DispatcherOperation.Invoke()
   at System.Windows.Threading.Dispatcher.ProcessQueue()
   at System.Windows.Threading.Dispatcher.WndProcHook(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.Dispatcher.LegacyInvokeImpl(DispatcherPriority priority, TimeSpan timeout, Delegate method, Object args, Int32 numArgs)
   at MS.Win32.HwndSubclass.SubclassWndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam)
[F#][INFO 10:01:24 PM] => DocumentDiagnosticAnalyzer.AnalyzeSyntaxAsync
   at System.Environment.GetStackTrace(Exception e, Boolean needFileInfo)
   at System.Environment.get_StackTrace()
   at Microsoft.VisualStudio.FSharp.Editor.Cancellation.track(String method, CancellationToken ct)
   at Microsoft.VisualStudio.FSharp.Editor.FSharpDocumentDiagnosticAnalyzer.AnalyzeSyntaxAsync(Document document, CancellationToken cancellationToken)
   at Microsoft.CodeAnalysis.Diagnostics.EngineV2.DiagnosticIncrementalAnalyzer.Executor.<ComputeDocumentDiagnosticAnalyzerDiagnosticsAsync>d__12.MoveNext()
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1.Start[TStateMachine](TStateMachine& stateMachine)
   at Microsoft.CodeAnalysis.Diagnostics.EngineV2.DiagnosticIncrementalAnalyzer.Executor.ComputeDocumentDiagnosticAnalyzerDiagnosticsAsync(Document document, DocumentDiagnosticAnalyzer analyzer, AnalysisKind kind, Compilation compilationOpt, CancellationToken cancellationToken)
   at Microsoft.CodeAnalysis.Diagnostics.EngineV2.DiagnosticIncrementalAnalyzer.Executor.<ComputeDiagnosticsAsync>d__5.MoveNext()
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1.Start[TStateMachine](TStateMachine& stateMachine)
   at Microsoft.CodeAnalysis.Diagnostics.EngineV2.DiagnosticIncrementalAnalyzer.Executor.ComputeDiagnosticsAsync(CompilationWithAnalyzers analyzerDriverOpt, Document document, DiagnosticAnalyzer analyzer, AnalysisKind kind, Nullable`1 spanOpt, CancellationToken cancellationToken)
   at Microsoft.CodeAnalysis.Diagnostics.EngineV2.DiagnosticIncrementalAnalyzer.Executor.<GetDocumentAnalysisDataAsync>d__3.MoveNext()
   at System.Runtime.CompilerServices.AsyncMethodBuilderCore.MoveNextRunner.InvokeMoveNext(Object stateMachine)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Runtime.CompilerServices.AsyncMethodBuilderCore.MoveNextRunner.Run()
   at System.Threading.Tasks.AwaitTaskContinuation.RunOrScheduleAction(Action action, Boolean allowInlining, Task& currentTask)
   at System.Threading.Tasks.Task.FinishContinuations()
   at System.Threading.Tasks.Task.FinishStageThree()
   at System.Threading.Tasks.Task`1.TrySetResult(TResult result)
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1.SetResult(TResult result)
   at Microsoft.CodeAnalysis.SolutionState.CompilationTracker.<GetDependentVersionAsync>d__46.MoveNext()
   at System.Runtime.CompilerServices.AsyncMethodBuilderCore.MoveNextRunner.InvokeMoveNext(Object stateMachine)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Runtime.CompilerServices.AsyncMethodBuilderCore.MoveNextRunner.Run()
   at System.Threading.Tasks.AwaitTaskContinuation.RunOrScheduleAction(Action action, Boolean allowInlining, Task& currentTask)
   at System.Threading.Tasks.Task.FinishContinuations()
   at System.Threading.Tasks.Task.FinishStageThree()
   at System.Threading.Tasks.Task`1.TrySetResult(TResult result)
   at System.Threading.Tasks.TaskCompletionSource`1.TrySetResult(TResult result)
   at Roslyn.Utilities.AsyncLazy`1.Request.CompleteFromTaskSynchronously(Task`1 task)
   at Roslyn.Utilities.AsyncLazy`1.Request.CompleteFromTaskSynchronouslyStub(Object task)
   at System.Threading.Tasks.Task.InnerInvoke()
   at System.Threading.Tasks.Task.Execute()
   at System.Threading.Tasks.Task.ExecutionContextCallback(Object obj)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.Tasks.Task.ExecuteWithThreadLocal(Task& currentTaskSlot)
   at System.Threading.Tasks.Task.ExecuteEntry(Boolean bPreventDoubleExecution)
   at System.Threading.Tasks.Task.System.Threading.IThreadPoolWorkItem.ExecuteWorkItem()
   at System.Threading.ThreadPoolWorkQueue.Dispatch()
   at System.Threading._ThreadPoolWaitCallback.PerformWaitCallback()
[F#][INFO 10:01:24 PM] => BlockStructureService.GetBlockStructureAsync
   at System.Environment.GetStackTrace(Exception e, Boolean needFileInfo)
   at System.Environment.get_StackTrace()
   at Microsoft.VisualStudio.FSharp.Editor.Cancellation.track(String method, CancellationToken ct)
   at Microsoft.VisualStudio.FSharp.Editor.FSharpBlockStructureService.GetBlockStructureAsync(Document document, CancellationToken cancellationToken)
   at Microsoft.CodeAnalysis.Editor.Implementation.Structure.AbstractStructureTaggerProvider`1.<ProduceTagsAsync>d__6.MoveNext()
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder.Start[TStateMachine](TStateMachine& stateMachine)
   at Microsoft.CodeAnalysis.Editor.Implementation.Structure.AbstractStructureTaggerProvider`1.ProduceTagsAsync(TaggerContext`1 context, DocumentSnapshotSpan documentSnapshotSpan, Nullable`1 caretPosition)
   at Microsoft.CodeAnalysis.Editor.Tagging.AbstractAsynchronousTaggerProvider`1.<ProduceTagsAsync>d__32.MoveNext()
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder.Start[TStateMachine](TStateMachine& stateMachine)
   at Microsoft.CodeAnalysis.Editor.Tagging.AbstractAsynchronousTaggerProvider`1.ProduceTagsAsync(TaggerContext`1 context)
   at Microsoft.CodeAnalysis.Editor.Tagging.AbstractAsynchronousTaggerProvider`1.TagSource.<RecomputeTagsAsync>d__83.MoveNext()
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder.Start[TStateMachine](TStateMachine& stateMachine)
   at Microsoft.CodeAnalysis.Editor.Tagging.AbstractAsynchronousTaggerProvider`1.TagSource.RecomputeTagsAsync(Object oldState, Nullable`1 caretPosition, Nullable`1 textChangeRange, List`1 spansToTag, ImmutableDictionary`2 oldTagTrees, CancellationToken cancellationToken)
   at Microsoft.CodeAnalysis.Editor.Tagging.AbstractAsynchronousTaggerProvider`1.TagSource.<>c__DisplayClass74_0.<RecomputeTagsForeground>b__0(CancellationToken ct)
   at Microsoft.CodeAnalysis.Editor.Shared.Threading.AsynchronousSerialWorkQueue.<>c__DisplayClass11_0.<EnqueueBackgroundTask>b__0(Task _)
   at System.Threading.Tasks.ContinuationResultTaskFromTask`1.InnerInvoke()
   at System.Threading.Tasks.Task.Execute()
   at System.Threading.Tasks.Task.ExecutionContextCallback(Object obj)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.Tasks.Task.ExecuteWithThreadLocal(Task& currentTaskSlot)
   at System.Threading.Tasks.Task.ExecuteEntry(Boolean bPreventDoubleExecution)
   at System.Threading.Tasks.Task.System.Threading.IThreadPoolWorkItem.ExecuteWorkItem()
   at System.Threading.ThreadPoolWorkQueue.Dispatch()
   at System.Threading._ThreadPoolWaitCallback.PerformWaitCallback()
[F#][INFO 10:01:24 PM] => BlockStructureService.GetBlockStructureAsync
   at System.Environment.GetStackTrace(Exception e, Boolean needFileInfo)
   at System.Environment.get_StackTrace()
   at Microsoft.VisualStudio.FSharp.Editor.Cancellation.track(String method, CancellationToken ct)
   at Microsoft.VisualStudio.FSharp.Editor.FSharpBlockStructureService.GetBlockStructureAsync(Document document, CancellationToken cancellationToken)
   at Microsoft.CodeAnalysis.Editor.Implementation.Structure.AbstractStructureTaggerProvider`1.<ProduceTagsAsync>d__6.MoveNext()
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder.Start[TStateMachine](TStateMachine& stateMachine)
   at Microsoft.CodeAnalysis.Editor.Implementation.Structure.AbstractStructureTaggerProvider`1.ProduceTagsAsync(TaggerContext`1 context, DocumentSnapshotSpan documentSnapshotSpan, Nullable`1 caretPosition)
   at Microsoft.CodeAnalysis.Editor.Tagging.AbstractAsynchronousTaggerProvider`1.<ProduceTagsAsync>d__32.MoveNext()
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder.Start[TStateMachine](TStateMachine& stateMachine)
   at Microsoft.CodeAnalysis.Editor.Tagging.AbstractAsynchronousTaggerProvider`1.ProduceTagsAsync(TaggerContext`1 context)
   at Microsoft.CodeAnalysis.Editor.Tagging.AbstractAsynchronousTaggerProvider`1.TagSource.<RecomputeTagsAsync>d__83.MoveNext()
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder.Start[TStateMachine](TStateMachine& stateMachine)
   at Microsoft.CodeAnalysis.Editor.Tagging.AbstractAsynchronousTaggerProvider`1.TagSource.RecomputeTagsAsync(Object oldState, Nullable`1 caretPosition, Nullable`1 textChangeRange, List`1 spansToTag, ImmutableDictionary`2 oldTagTrees, CancellationToken cancellationToken)
   at Microsoft.CodeAnalysis.Editor.Tagging.AbstractAsynchronousTaggerProvider`1.TagSource.<>c__DisplayClass74_0.<RecomputeTagsForeground>b__0(CancellationToken ct)
   at Microsoft.CodeAnalysis.Editor.Shared.Threading.AsynchronousSerialWorkQueue.<>c__DisplayClass11_0.<EnqueueBackgroundTask>b__0(Task _)
   at System.Threading.Tasks.ContinuationResultTaskFromTask`1.InnerInvoke()
   at System.Threading.Tasks.Task.Execute()
   at System.Threading.Tasks.Task.ExecutionContextCallback(Object obj)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.Tasks.Task.ExecuteWithThreadLocal(Task& currentTaskSlot)
   at System.Threading.Tasks.Task.ExecuteEntry(Boolean bPreventDoubleExecution)
   at System.Threading.Tasks.Task.System.Threading.IThreadPoolWorkItem.ExecuteWorkItem()
   at System.Threading.ThreadPoolWorkQueue.Dispatch()
   at System.Threading._ThreadPoolWaitCallback.PerformWaitCallback()
[F#][INFO 10:01:26 PM] => FSharpBraceMatchingService.FindBracesAsync
   at System.Environment.GetStackTrace(Exception e, Boolean needFileInfo)
   at System.Environment.get_StackTrace()
   at Microsoft.VisualStudio.FSharp.Editor.FSharpBraceMatchingService.Microsoft-CodeAnalysis-Editor-IBraceMatcher-FindBracesAsync(Document document, Int32 position, CancellationToken cancellationToken)
   at Microsoft.CodeAnalysis.Editor.Implementation.BraceMatching.BraceMatchingService.<GetMatchingBracesAsync>d__2.MoveNext()
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1.Start[TStateMachine](TStateMachine& stateMachine)
   at Microsoft.CodeAnalysis.Editor.Implementation.BraceMatching.BraceMatchingService.GetMatchingBracesAsync(Document document, Int32 position, CancellationToken cancellationToken)
   at Microsoft.CodeAnalysis.Editor.Implementation.BraceMatching.BraceHighlightingViewTaggerProvider.<ProduceTagsForBracesAsync>d__7.MoveNext()
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder.Start[TStateMachine](TStateMachine& stateMachine)
   at Microsoft.CodeAnalysis.Editor.Implementation.BraceMatching.BraceHighlightingViewTaggerProvider.ProduceTagsForBracesAsync(TaggerContext`1 context, Document document, ITextSnapshot snapshot, Int32 position, Boolean rightBrace)
   at Microsoft.CodeAnalysis.Editor.Implementation.BraceMatching.BraceHighlightingViewTaggerProvider.<ProduceTagsAsync>d__6.MoveNext()
   at System.Runtime.CompilerServices.AsyncMethodBuilderCore.MoveNextRunner.InvokeMoveNext(Object stateMachine)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Runtime.CompilerServices.AsyncMethodBuilderCore.MoveNextRunner.Run()
   at System.Threading.Tasks.AwaitTaskContinuation.RunOrScheduleAction(Action action, Boolean allowInlining, Task& currentTask)
   at System.Threading.Tasks.Task.FinishContinuations()
   at System.Threading.Tasks.Task.FinishStageThree()
   at System.Threading.Tasks.Task`1.TrySetResult(TResult result)
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1.SetResult(TResult result)
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1.SetResult(Task`1 completedTask)
   at Microsoft.CodeAnalysis.Editor.Implementation.BraceMatching.BraceHighlightingViewTaggerProvider.<ProduceTagsForBracesAsync>d__7.MoveNext()
   at System.Runtime.CompilerServices.AsyncMethodBuilderCore.MoveNextRunner.InvokeMoveNext(Object stateMachine)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Runtime.CompilerServices.AsyncMethodBuilderCore.MoveNextRunner.Run()
   at System.Threading.Tasks.AwaitTaskContinuation.RunOrScheduleAction(Action action, Boolean allowInlining, Task& currentTask)
   at System.Threading.Tasks.Task.FinishContinuations()
   at System.Threading.Tasks.Task.FinishStageThree()
   at System.Threading.Tasks.Task`1.TrySetResult(TResult result)
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1.SetResult(TResult result)
   at Microsoft.CodeAnalysis.Editor.Implementation.BraceMatching.BraceMatchingService.<GetMatchingBracesAsync>d__2.MoveNext()
   at System.Runtime.CompilerServices.AsyncMethodBuilderCore.MoveNextRunner.InvokeMoveNext(Object stateMachine)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Runtime.CompilerServices.AsyncMethodBuilderCore.MoveNextRunner.Run()
   at System.Threading.Tasks.AwaitTaskContinuation.RunOrScheduleAction(Action action, Boolean allowInlining, Task& currentTask)
   at System.Threading.Tasks.Task.FinishContinuations()
   at System.Threading.Tasks.Task.FinishStageThree()
   at System.Threading.Tasks.Task`1.TrySetResult(TResult result)
   at System.Threading.Tasks.TaskCompletionSource`1.TrySetResult(TResult result)
   at [email protected](a _arg1)
   at [email protected](a a)
   at <StartupCode$FSharp-Core>[email protected](FSharpFunc`2 action)
   at Microsoft.FSharp.Control.Trampoline.ExecuteAction(FSharpFunc`2 firstAction)
   at Microsoft.FSharp.Control.TrampolineHolder.Protect(FSharpFunc`2 firstAction)
   at <StartupCode$FSharp-Core>[email protected](Object state)
   at System.Threading.QueueUserWorkItemCallback.WaitCallback_Context(Object state)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.QueueUserWorkItemCallback.System.Threading.IThreadPoolWorkItem.ExecuteWorkItem()
   at System.Threading.ThreadPoolWorkQueue.Dispatch()
   at System.Threading._ThreadPoolWaitCallback.PerformWaitCallback()
[F#][INFO 10:01:26 PM] => DocumentDiagnosticAnalyzer.AnalyzeSyntaxAsync
   at System.Environment.GetStackTrace(Exception e, Boolean needFileInfo)
   at System.Environment.get_StackTrace()
   at Microsoft.VisualStudio.FSharp.Editor.Cancellation.track(String method, CancellationToken ct)
   at <StartupCode$FSharp-Editor>[email protected](Unit unitVar)
   at [email protected](AsyncParams`1 args)
   at <StartupCode$FSharp-Core>[email protected](FSharpFunc`2 action)
   at Microsoft.FSharp.Control.Trampoline.ExecuteAction(FSharpFunc`2 firstAction)
   at Microsoft.FSharp.Control.TrampolineHolder.Protect(FSharpFunc`2 firstAction)
   at <StartupCode$FSharp-Core>[email protected](Object state)
   at System.Threading.QueueUserWorkItemCallback.WaitCallback_Context(Object state)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.QueueUserWorkItemCallback.System.Threading.IThreadPoolWorkItem.ExecuteWorkItem()
   at System.Threading.ThreadPoolWorkQueue.Dispatch()
   at System.Threading._ThreadPoolWaitCallback.PerformWaitCallback()
[F#][INFO 10:01:27 PM] => FSharpColorizationService.AddSyntacticClassificationsAsync
   at System.Environment.GetStackTrace(Exception e, Boolean needFileInfo)
   at System.Environment.get_StackTrace()
   at Microsoft.VisualStudio.FSharp.Editor.Cancellation.track(String method, CancellationToken ct)
   at Microsoft.VisualStudio.FSharp.Editor.FSharpColorizationService.Microsoft-CodeAnalysis-Editor-IEditorClassificationService-AddSyntacticClassificationsAsync(Document document, TextSpan textSpan, List`1 result, CancellationToken cancellationToken)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpansForCurrentTree(IEditorClassificationService classificationService, SnapshotSpan span, Document document, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpans(IEditorClassificationService classificationService, SnapshotSpan span, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.Tagger.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<GetTagsForBuffer>d__38.MoveNext()
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<InternalGetTags>d__39.MoveNext()
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.InternalGetClassificationSpans(SnapshotSpan span, IEnumerable`1 tags)
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.GetClassificationSpans(SnapshotSpan span)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.CreateClassifiedRuns(SnapshotSpan span, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.Create(ITextAndAdornmentCollection elements, ITextSnapshot sourceSnapshot, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.FormattedLineSource.FormatLineInVisualBuffer(ITextSnapshotLine visualLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.Microsoft.VisualStudio.Text.Editor.IWpfTextView.GetTextViewLineContainingBufferPosition(SnapshotPoint bufferPosition)
   at Microsoft.VisualStudio.Text.Structure.VisibleBlock.CreateVisibleBlocks(IBlockTag tag, IWpfTextView view, NormalizedSnapshotSpanCollection newOrReformattedSpans, SnapshotSpan span)
   at Microsoft.VisualStudio.Text.Structure.StructureAdornmentManager.CreateBlockAdornments(IMappingTagSpan`1 tag, NormalizedSnapshotSpanCollection newOrReformattedSpans)
   at Microsoft.VisualStudio.Text.Structure.StructureManager.RedrawAdornments(NormalizedSnapshotSpanCollection newOrReformattedSpans)
   at Microsoft.VisualStudio.Text.Structure.StructureManager.RedrawAllAdornmentsImmediately()
   at Microsoft.VisualStudio.Text.Structure.StructureManager.<RedrawAllAdornments>b__18_0()
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.DispatcherOperation.InvokeImpl()
   at System.Windows.Threading.DispatcherOperation.InvokeInSecurityContext(Object state)
   at MS.Internal.CulturePreservingExecutionContext.CallbackWrapper(Object obj)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   at MS.Internal.CulturePreservingExecutionContext.Run(CulturePreservingExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Windows.Threading.DispatcherOperation.Invoke()
   at System.Windows.Threading.Dispatcher.ProcessQueue()
   at System.Windows.Threading.Dispatcher.WndProcHook(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.Dispatcher.LegacyInvokeImpl(DispatcherPriority priority, TimeSpan timeout, Delegate method, Object args, Int32 numArgs)
   at MS.Win32.HwndSubclass.SubclassWndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam)
[F#][INFO 10:01:27 PM] => FSharpColorizationService.AddSyntacticClassificationsAsync
   at System.Environment.GetStackTrace(Exception e, Boolean needFileInfo)
   at System.Environment.get_StackTrace()
   at Microsoft.VisualStudio.FSharp.Editor.Cancellation.track(String method, CancellationToken ct)
   at Microsoft.VisualStudio.FSharp.Editor.FSharpColorizationService.Microsoft-CodeAnalysis-Editor-IEditorClassificationService-AddSyntacticClassificationsAsync(Document document, TextSpan textSpan, List`1 result, CancellationToken cancellationToken)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpansForCurrentTree(IEditorClassificationService classificationService, SnapshotSpan span, Document document, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpans(IEditorClassificationService classificationService, SnapshotSpan span, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.Tagger.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<GetTagsForBuffer>d__38.MoveNext()
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<InternalGetTags>d__39.MoveNext()
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.InternalGetClassificationSpans(SnapshotSpan span, IEnumerable`1 tags)
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.GetClassificationSpans(SnapshotSpan span)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.CreateClassifiedRuns(SnapshotSpan span, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.Create(ITextAndAdornmentCollection elements, ITextSnapshot sourceSnapshot, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.FormattedLineSource.FormatLineInVisualBuffer(ITextSnapshotLine visualLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.Microsoft.VisualStudio.Text.Editor.IWpfTextView.GetTextViewLineContainingBufferPosition(SnapshotPoint bufferPosition)
   at Microsoft.VisualStudio.Text.Structure.VisibleBlock.CreateVisibleBlocks(IBlockTag tag, IWpfTextView view, NormalizedSnapshotSpanCollection newOrReformattedSpans, SnapshotSpan span)
   at Microsoft.VisualStudio.Text.Structure.StructureAdornmentManager.CreateBlockAdornments(IMappingTagSpan`1 tag, NormalizedSnapshotSpanCollection newOrReformattedSpans)
   at Microsoft.VisualStudio.Text.Structure.StructureManager.RedrawAdornments(NormalizedSnapshotSpanCollection newOrReformattedSpans)
   at Microsoft.VisualStudio.Text.Structure.StructureManager.RedrawAllAdornmentsImmediately()
   at Microsoft.VisualStudio.Text.Structure.StructureManager.<RedrawAllAdornments>b__18_0()
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.DispatcherOperation.InvokeImpl()
   at System.Windows.Threading.DispatcherOperation.InvokeInSecurityContext(Object state)
   at MS.Internal.CulturePreservingExecutionContext.CallbackWrapper(Object obj)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   at MS.Internal.CulturePreservingExecutionContext.Run(CulturePreservingExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Windows.Threading.DispatcherOperation.Invoke()
   at System.Windows.Threading.Dispatcher.ProcessQueue()
   at System.Windows.Threading.Dispatcher.WndProcHook(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.Dispatcher.LegacyInvokeImpl(DispatcherPriority priority, TimeSpan timeout, Delegate method, Object args, Int32 numArgs)
   at MS.Win32.HwndSubclass.SubclassWndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam)
[F#][INFO 10:01:27 PM] => FSharpColorizationService.AddSyntacticClassificationsAsync
   at System.Environment.GetStackTrace(Exception e, Boolean needFileInfo)
   at System.Environment.get_StackTrace()
   at Microsoft.VisualStudio.FSharp.Editor.Cancellation.track(String method, CancellationToken ct)
   at Microsoft.VisualStudio.FSharp.Editor.FSharpColorizationService.Microsoft-CodeAnalysis-Editor-IEditorClassificationService-AddSyntacticClassificationsAsync(Document document, TextSpan textSpan, List`1 result, CancellationToken cancellationToken)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpansForCurrentTree(IEditorClassificationService classificationService, SnapshotSpan span, Document document, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpans(IEditorClassificationService classificationService, SnapshotSpan span, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.Tagger.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<GetTagsForBuffer>d__38.MoveNext()
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<InternalGetTags>d__39.MoveNext()
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.InternalGetClassificationSpans(SnapshotSpan span, IEnumerable`1 tags)
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.GetClassificationSpans(SnapshotSpan span)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.CreateClassifiedRuns(SnapshotSpan span, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.Create(ITextAndAdornmentCollection elements, ITextSnapshot sourceSnapshot, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.FormattedLineSource.FormatLineInVisualBuffer(ITextSnapshotLine visualLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.Microsoft.VisualStudio.Text.Editor.IWpfTextView.GetTextViewLineContainingBufferPosition(SnapshotPoint bufferPosition)
   at Microsoft.VisualStudio.Text.Structure.VisibleBlock.CreateVisibleBlocks(IBlockTag tag, IWpfTextView view, NormalizedSnapshotSpanCollection newOrReformattedSpans, SnapshotSpan span)
   at Microsoft.VisualStudio.Text.Structure.StructureAdornmentManager.CreateBlockAdornments(IMappingTagSpan`1 tag, NormalizedSnapshotSpanCollection newOrReformattedSpans)
   at Microsoft.VisualStudio.Text.Structure.StructureManager.RedrawAdornments(NormalizedSnapshotSpanCollection newOrReformattedSpans)
   at Microsoft.VisualStudio.Text.Structure.StructureManager.RedrawAllAdornmentsImmediately()
   at Microsoft.VisualStudio.Text.Structure.StructureManager.<RedrawAllAdornments>b__18_0()
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.DispatcherOperation.InvokeImpl()
   at System.Windows.Threading.DispatcherOperation.InvokeInSecurityContext(Object state)
   at MS.Internal.CulturePreservingExecutionContext.CallbackWrapper(Object obj)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   at MS.Internal.CulturePreservingExecutionContext.Run(CulturePreservingExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Windows.Threading.DispatcherOperation.Invoke()
   at System.Windows.Threading.Dispatcher.ProcessQueue()
   at System.Windows.Threading.Dispatcher.WndProcHook(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.Dispatcher.LegacyInvokeImpl(DispatcherPriority priority, TimeSpan timeout, Delegate method, Object args, Int32 numArgs)
   at MS.Win32.HwndSubclass.SubclassWndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam)
[F#][INFO 10:01:27 PM] => FSharpColorizationService.AddSyntacticClassificationsAsync
   at System.Environment.GetStackTrace(Exception e, Boolean needFileInfo)
   at System.Environment.get_StackTrace()
   at Microsoft.VisualStudio.FSharp.Editor.Cancellation.track(String method, CancellationToken ct)
   at Microsoft.VisualStudio.FSharp.Editor.FSharpColorizationService.Microsoft-CodeAnalysis-Editor-IEditorClassificationService-AddSyntacticClassificationsAsync(Document document, TextSpan textSpan, List`1 result, CancellationToken cancellationToken)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpansForCurrentTree(IEditorClassificationService classificationService, SnapshotSpan span, Document document, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpans(IEditorClassificationService classificationService, SnapshotSpan span, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.Tagger.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<GetTagsForBuffer>d__38.MoveNext()
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<InternalGetTags>d__39.MoveNext()
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.InternalGetClassificationSpans(SnapshotSpan span, IEnumerable`1 tags)
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.GetClassificationSpans(SnapshotSpan span)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.CreateClassifiedRuns(SnapshotSpan span, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.Create(ITextAndAdornmentCollection elements, ITextSnapshot sourceSnapshot, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.FormattedLineSource.FormatLineInVisualBuffer(ITextSnapshotLine visualLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.Microsoft.VisualStudio.Text.Editor.IWpfTextView.GetTextViewLineContainingBufferPosition(SnapshotPoint bufferPosition)
   at Microsoft.VisualStudio.Text.Structure.VisibleBlock.CreateVisibleBlocks(IBlockTag tag, IWpfTextView view, NormalizedSnapshotSpanCollection newOrReformattedSpans, SnapshotSpan span)
   at Microsoft.VisualStudio.Text.Structure.StructureAdornmentManager.CreateBlockAdornments(IMappingTagSpan`1 tag, NormalizedSnapshotSpanCollection newOrReformattedSpans)
   at Microsoft.VisualStudio.Text.Structure.StructureManager.RedrawAdornments(NormalizedSnapshotSpanCollection newOrReformattedSpans)
   at Microsoft.VisualStudio.Text.Structure.StructureManager.RedrawAllAdornmentsImmediately()
   at Microsoft.VisualStudio.Text.Structure.StructureManager.<RedrawAllAdornments>b__18_0()
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.DispatcherOperation.InvokeImpl()
   at System.Windows.Threading.DispatcherOperation.InvokeInSecurityContext(Object state)
   at MS.Internal.CulturePreservingExecutionContext.CallbackWrapper(Object obj)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   at MS.Internal.CulturePreservingExecutionContext.Run(CulturePreservingExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Windows.Threading.DispatcherOperation.Invoke()
   at System.Windows.Threading.Dispatcher.ProcessQueue()
   at System.Windows.Threading.Dispatcher.WndProcHook(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.Dispatcher.LegacyInvokeImpl(DispatcherPriority priority, TimeSpan timeout, Delegate method, Object args, Int32 numArgs)
   at MS.Win32.HwndSubclass.SubclassWndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam)
[F#][INFO 10:01:27 PM] => FSharpColorizationService.AddSyntacticClassificationsAsync
   at System.Environment.GetStackTrace(Exception e, Boolean needFileInfo)
   at System.Environment.get_StackTrace()
   at Microsoft.VisualStudio.FSharp.Editor.Cancellation.track(String method, CancellationToken ct)
   at Microsoft.VisualStudio.FSharp.Editor.FSharpColorizationService.Microsoft-CodeAnalysis-Editor-IEditorClassificationService-AddSyntacticClassificationsAsync(Document document, TextSpan textSpan, List`1 result, CancellationToken cancellationToken)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpansForCurrentTree(IEditorClassificationService classificationService, SnapshotSpan span, Document document, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpans(IEditorClassificationService classificationService, SnapshotSpan span, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.Tagger.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<GetTagsForBuffer>d__38.MoveNext()
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<InternalGetTags>d__39.MoveNext()
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.InternalGetClassificationSpans(SnapshotSpan span, IEnumerable`1 tags)
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.GetClassificationSpans(SnapshotSpan span)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.CreateClassifiedRuns(SnapshotSpan span, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.Create(ITextAndAdornmentCollection elements, ITextSnapshot sourceSnapshot, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.FormattedLineSource.FormatLineInVisualBuffer(ITextSnapshotLine visualLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.Microsoft.VisualStudio.Text.Editor.IWpfTextView.GetTextViewLineContainingBufferPosition(SnapshotPoint bufferPosition)
   at Microsoft.VisualStudio.Text.Structure.VisibleBlock.CreateVisibleBlocks(IBlockTag tag, IWpfTextView view, NormalizedSnapshotSpanCollection newOrReformattedSpans, SnapshotSpan span)
   at Microsoft.VisualStudio.Text.Structure.StructureAdornmentManager.CreateBlockAdornments(IMappingTagSpan`1 tag, NormalizedSnapshotSpanCollection newOrReformattedSpans)
   at Microsoft.VisualStudio.Text.Structure.StructureManager.RedrawAdornments(NormalizedSnapshotSpanCollection newOrReformattedSpans)
   at Microsoft.VisualStudio.Text.Structure.StructureManager.RedrawAllAdornmentsImmediately()
   at Microsoft.VisualStudio.Text.Structure.StructureManager.<RedrawAllAdornments>b__18_0()
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.DispatcherOperation.InvokeImpl()
   at System.Windows.Threading.DispatcherOperation.InvokeInSecurityContext(Object state)
   at MS.Internal.CulturePreservingExecutionContext.CallbackWrapper(Object obj)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   at MS.Internal.CulturePreservingExecutionContext.Run(CulturePreservingExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Windows.Threading.DispatcherOperation.Invoke()
   at System.Windows.Threading.Dispatcher.ProcessQueue()
   at System.Windows.Threading.Dispatcher.WndProcHook(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.Dispatcher.LegacyInvokeImpl(DispatcherPriority priority, TimeSpan timeout, Delegate method, Object args, Int32 numArgs)
   at MS.Win32.HwndSubclass.SubclassWndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam)
[F#][INFO 10:01:27 PM] => FSharpColorizationService.AddSyntacticClassificationsAsync
   at System.Environment.GetStackTrace(Exception e, Boolean needFileInfo)
   at System.Environment.get_StackTrace()
   at Microsoft.VisualStudio.FSharp.Editor.Cancellation.track(String method, CancellationToken ct)
   at Microsoft.VisualStudio.FSharp.Editor.FSharpColorizationService.Microsoft-CodeAnalysis-Editor-IEditorClassificationService-AddSyntacticClassificationsAsync(Document document, TextSpan textSpan, List`1 result, CancellationToken cancellationToken)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpansForCurrentTree(IEditorClassificationService classificationService, SnapshotSpan span, Document document, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpans(IEditorClassificationService classificationService, SnapshotSpan span, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.Tagger.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<GetTagsForBuffer>d__38.MoveNext()
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<InternalGetTags>d__39.MoveNext()
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.InternalGetClassificationSpans(SnapshotSpan span, IEnumerable`1 tags)
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.GetClassificationSpans(SnapshotSpan span)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.CreateClassifiedRuns(SnapshotSpan span, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.Create(ITextAndAdornmentCollection elements, ITextSnapshot sourceSnapshot, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.FormattedLineSource.FormatLineInVisualBufferIfChanged(ITextSnapshotLine visualLine, IList`1 oldLines, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.FormatSnapshotLine(ITextSnapshotLine visualLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoAnchorLayout(ITextSnapshotLine visualLine, SnapshotPoint anchorPosition, Double referenceLine, ViewRelativePosition relativeTo, Double& distanceAboveReferenceLine, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoCompleteLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportHeight, Double& referenceLine, Double& distanceAboveReferenceLine, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.InnerPerformLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot, SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.<QueueLayout>b__258_0()
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.DispatcherOperation.InvokeImpl()
   at System.Windows.Threading.DispatcherOperation.InvokeInSecurityContext(Object state)
   at MS.Internal.CulturePreservingExecutionContext.CallbackWrapper(Object obj)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   at MS.Internal.CulturePreservingExecutionContext.Run(CulturePreservingExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Windows.Threading.DispatcherOperation.Invoke()
   at System.Windows.Threading.Dispatcher.ProcessQueue()
   at System.Windows.Threading.Dispatcher.WndProcHook(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.Dispatcher.LegacyInvokeImpl(DispatcherPriority priority, TimeSpan timeout, Delegate method, Object args, Int32 numArgs)
   at MS.Win32.HwndSubclass.SubclassWndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam)
[F#][INFO 10:01:27 PM] => FSharpColorizationService.AddSyntacticClassificationsAsync
   at System.Environment.GetStackTrace(Exception e, Boolean needFileInfo)
   at System.Environment.get_StackTrace()
   at Microsoft.VisualStudio.FSharp.Editor.Cancellation.track(String method, CancellationToken ct)
   at Microsoft.VisualStudio.FSharp.Editor.FSharpColorizationService.Microsoft-CodeAnalysis-Editor-IEditorClassificationService-AddSyntacticClassificationsAsync(Document document, TextSpan textSpan, List`1 result, CancellationToken cancellationToken)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpansForCurrentTree(IEditorClassificationService classificationService, SnapshotSpan span, Document document, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpans(IEditorClassificationService classificationService, SnapshotSpan span, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.Tagger.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<GetTagsForBuffer>d__38.MoveNext()
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<InternalGetTags>d__39.MoveNext()
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.InternalGetClassificationSpans(SnapshotSpan span, IEnumerable`1 tags)
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.GetClassificationSpans(SnapshotSpan span)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.CreateClassifiedRuns(SnapshotSpan span, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.Create(ITextAndAdornmentCollection elements, ITextSnapshot sourceSnapshot, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.FormattedLineSource.FormatLineInVisualBufferIfChanged(ITextSnapshotLine visualLine, IList`1 oldLines, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.FormatSnapshotLine(ITextSnapshotLine visualLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoLayoutUp(ITextSnapshotLine visualLine, Double referenceLine, Double& distanceAboveReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoCompleteLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportHeight, Double& referenceLine, Double& distanceAboveReferenceLine, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.InnerPerformLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot, SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.<QueueLayout>b__258_0()
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.DispatcherOperation.InvokeImpl()
   at System.Windows.Threading.DispatcherOperation.InvokeInSecurityContext(Object state)
   at MS.Internal.CulturePreservingExecutionContext.CallbackWrapper(Object obj)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   at MS.Internal.CulturePreservingExecutionContext.Run(CulturePreservingExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Windows.Threading.DispatcherOperation.Invoke()
   at System.Windows.Threading.Dispatcher.ProcessQueue()
   at System.Windows.Threading.Dispatcher.WndProcHook(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.Dispatcher.LegacyInvokeImpl(DispatcherPriority priority, TimeSpan timeout, Delegate method, Object args, Int32 numArgs)
   at MS.Win32.HwndSubclass.SubclassWndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam)
[F#][INFO 10:01:27 PM] => FSharpColorizationService.AddSyntacticClassificationsAsync
   at System.Environment.GetStackTrace(Exception e, Boolean needFileInfo)
   at System.Environment.get_StackTrace()
   at Microsoft.VisualStudio.FSharp.Editor.Cancellation.track(String method, CancellationToken ct)
   at Microsoft.VisualStudio.FSharp.Editor.FSharpColorizationService.Microsoft-CodeAnalysis-Editor-IEditorClassificationService-AddSyntacticClassificationsAsync(Document document, TextSpan textSpan, List`1 result, CancellationToken cancellationToken)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpansForCurrentTree(IEditorClassificationService classificationService, SnapshotSpan span, Document document, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpans(IEditorClassificationService classificationService, SnapshotSpan span, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.Tagger.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<GetTagsForBuffer>d__38.MoveNext()
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<InternalGetTags>d__39.MoveNext()
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.InternalGetClassificationSpans(SnapshotSpan span, IEnumerable`1 tags)
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.GetClassificationSpans(SnapshotSpan span)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.CreateClassifiedRuns(SnapshotSpan span, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.Create(ITextAndAdornmentCollection elements, ITextSnapshot sourceSnapshot, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.FormattedLineSource.FormatLineInVisualBufferIfChanged(ITextSnapshotLine visualLine, IList`1 oldLines, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.FormatSnapshotLine(ITextSnapshotLine visualLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoLayoutDown(ITextSnapshotLine visualLine, Double referenceLine, Double effectiveViewportHeight, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoCompleteLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportHeight, Double& referenceLine, Double& distanceAboveReferenceLine, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.InnerPerformLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot, SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.<QueueLayout>b__258_0()
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.DispatcherOperation.InvokeImpl()
   at System.Windows.Threading.DispatcherOperation.InvokeInSecurityContext(Object state)
   at MS.Internal.CulturePreservingExecutionContext.CallbackWrapper(Object obj)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   at MS.Internal.CulturePreservingExecutionContext.Run(CulturePreservingExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Windows.Threading.DispatcherOperation.Invoke()
   at System.Windows.Threading.Dispatcher.ProcessQueue()
   at System.Windows.Threading.Dispatcher.WndProcHook(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.Dispatcher.LegacyInvokeImpl(DispatcherPriority priority, TimeSpan timeout, Delegate method, Object args, Int32 numArgs)
   at MS.Win32.HwndSubclass.SubclassWndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam)
[F#][INFO 10:01:27 PM] => FSharpColorizationService.AddSyntacticClassificationsAsync
   at System.Environment.GetStackTrace(Exception e, Boolean needFileInfo)
   at System.Environment.get_StackTrace()
   at Microsoft.VisualStudio.FSharp.Editor.Cancellation.track(String method, CancellationToken ct)
   at Microsoft.VisualStudio.FSharp.Editor.FSharpColorizationService.Microsoft-CodeAnalysis-Editor-IEditorClassificationService-AddSyntacticClassificationsAsync(Document document, TextSpan textSpan, List`1 result, CancellationToken cancellationToken)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpansForCurrentTree(IEditorClassificationService classificationService, SnapshotSpan span, Document document, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpans(IEditorClassificationService classificationService, SnapshotSpan span, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.Tagger.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<GetTagsForBuffer>d__38.MoveNext()
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<InternalGetTags>d__39.MoveNext()
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.InternalGetClassificationSpans(SnapshotSpan span, IEnumerable`1 tags)
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.GetClassificationSpans(SnapshotSpan span)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.CreateClassifiedRuns(SnapshotSpan span, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.Create(ITextAndAdornmentCollection elements, ITextSnapshot sourceSnapshot, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.FormattedLineSource.FormatLineInVisualBufferIfChanged(ITextSnapshotLine visualLine, IList`1 oldLines, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.FormatSnapshotLine(ITextSnapshotLine visualLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoLayoutDown(ITextSnapshotLine visualLine, Double referenceLine, Double effectiveViewportHeight, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoCompleteLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportHeight, Double& referenceLine, Double& distanceAboveReferenceLine, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.InnerPerformLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot, SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.<QueueLayout>b__258_0()
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.DispatcherOperation.InvokeImpl()
   at System.Windows.Threading.DispatcherOperation.InvokeInSecurityContext(Object state)
   at MS.Internal.CulturePreservingExecutionContext.CallbackWrapper(Object obj)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   at MS.Internal.CulturePreservingExecutionContext.Run(CulturePreservingExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Windows.Threading.DispatcherOperation.Invoke()
   at System.Windows.Threading.Dispatcher.ProcessQueue()
   at System.Windows.Threading.Dispatcher.WndProcHook(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.Dispatcher.LegacyInvokeImpl(DispatcherPriority priority, TimeSpan timeout, Delegate method, Object args, Int32 numArgs)
   at MS.Win32.HwndSubclass.SubclassWndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam)
[F#][INFO 10:01:27 PM] => FSharpColorizationService.AddSyntacticClassificationsAsync
   at System.Environment.GetStackTrace(Exception e, Boolean needFileInfo)
   at System.Environment.get_StackTrace()
   at Microsoft.VisualStudio.FSharp.Editor.Cancellation.track(String method, CancellationToken ct)
   at Microsoft.VisualStudio.FSharp.Editor.FSharpColorizationService.Microsoft-CodeAnalysis-Editor-IEditorClassificationService-AddSyntacticClassificationsAsync(Document document, TextSpan textSpan, List`1 result, CancellationToken cancellationToken)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpansForCurrentTree(IEditorClassificationService classificationService, SnapshotSpan span, Document document, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpans(IEditorClassificationService classificationService, SnapshotSpan span, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.Tagger.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<GetTagsForBuffer>d__38.MoveNext()
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<InternalGetTags>d__39.MoveNext()
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.InternalGetClassificationSpans(SnapshotSpan span, IEnumerable`1 tags)
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.GetClassificationSpans(SnapshotSpan span)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.CreateClassifiedRuns(SnapshotSpan span, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.Create(ITextAndAdornmentCollection elements, ITextSnapshot sourceSnapshot, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.FormattedLineSource.FormatLineInVisualBufferIfChanged(ITextSnapshotLine visualLine, IList`1 oldLines, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.FormatSnapshotLine(ITextSnapshotLine visualLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoLayoutDown(ITextSnapshotLine visualLine, Double referenceLine, Double effectiveViewportHeight, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoCompleteLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportHeight, Double& referenceLine, Double& distanceAboveReferenceLine, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.InnerPerformLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot, SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.<QueueLayout>b__258_0()
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.DispatcherOperation.InvokeImpl()
   at System.Windows.Threading.DispatcherOperation.InvokeInSecurityContext(Object state)
   at MS.Internal.CulturePreservingExecutionContext.CallbackWrapper(Object obj)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   at MS.Internal.CulturePreservingExecutionContext.Run(CulturePreservingExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Windows.Threading.DispatcherOperation.Invoke()
   at System.Windows.Threading.Dispatcher.ProcessQueue()
   at System.Windows.Threading.Dispatcher.WndProcHook(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.Dispatcher.LegacyInvokeImpl(DispatcherPriority priority, TimeSpan timeout, Delegate method, Object args, Int32 numArgs)
   at MS.Win32.HwndSubclass.SubclassWndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam)
[F#][INFO 10:01:27 PM] => FSharpColorizationService.AddSyntacticClassificationsAsync
   at System.Environment.GetStackTrace(Exception e, Boolean needFileInfo)
   at System.Environment.get_StackTrace()
   at Microsoft.VisualStudio.FSharp.Editor.Cancellation.track(String method, CancellationToken ct)
   at Microsoft.VisualStudio.FSharp.Editor.FSharpColorizationService.Microsoft-CodeAnalysis-Editor-IEditorClassificationService-AddSyntacticClassificationsAsync(Document document, TextSpan textSpan, List`1 result, CancellationToken cancellationToken)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpansForCurrentTree(IEditorClassificationService classificationService, SnapshotSpan span, Document document, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpans(IEditorClassificationService classificationService, SnapshotSpan span, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.Tagger.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<GetTagsForBuffer>d__38.MoveNext()
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<InternalGetTags>d__39.MoveNext()
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.InternalGetClassificationSpans(SnapshotSpan span, IEnumerable`1 tags)
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.GetClassificationSpans(SnapshotSpan span)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.CreateClassifiedRuns(SnapshotSpan span, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.Create(ITextAndAdornmentCollection elements, ITextSnapshot sourceSnapshot, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.FormattedLineSource.FormatLineInVisualBufferIfChanged(ITextSnapshotLine visualLine, IList`1 oldLines, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.FormatSnapshotLine(ITextSnapshotLine visualLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoLayoutDown(ITextSnapshotLine visualLine, Double referenceLine, Double effectiveViewportHeight, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoCompleteLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportHeight, Double& referenceLine, Double& distanceAboveReferenceLine, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.InnerPerformLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot, SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.<QueueLayout>b__258_0()
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.DispatcherOperation.InvokeImpl()
   at System.Windows.Threading.DispatcherOperation.InvokeInSecurityContext(Object state)
   at MS.Internal.CulturePreservingExecutionContext.CallbackWrapper(Object obj)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   at MS.Internal.CulturePreservingExecutionContext.Run(CulturePreservingExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Windows.Threading.DispatcherOperation.Invoke()
   at System.Windows.Threading.Dispatcher.ProcessQueue()
   at System.Windows.Threading.Dispatcher.WndProcHook(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.Dispatcher.LegacyInvokeImpl(DispatcherPriority priority, TimeSpan timeout, Delegate method, Object args, Int32 numArgs)
   at MS.Win32.HwndSubclass.SubclassWndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam)
[F#][INFO 10:01:27 PM] => FSharpColorizationService.AddSyntacticClassificationsAsync
   at System.Environment.GetStackTrace(Exception e, Boolean needFileInfo)
   at System.Environment.get_StackTrace()
   at Microsoft.VisualStudio.FSharp.Editor.Cancellation.track(String method, CancellationToken ct)
   at Microsoft.VisualStudio.FSharp.Editor.FSharpColorizationService.Microsoft-CodeAnalysis-Editor-IEditorClassificationService-AddSyntacticClassificationsAsync(Document document, TextSpan textSpan, List`1 result, CancellationToken cancellationToken)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpansForCurrentTree(IEditorClassificationService classificationService, SnapshotSpan span, Document document, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpans(IEditorClassificationService classificationService, SnapshotSpan span, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.Tagger.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<GetTagsForBuffer>d__38.MoveNext()
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<InternalGetTags>d__39.MoveNext()
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.InternalGetClassificationSpans(SnapshotSpan span, IEnumerable`1 tags)
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.GetClassificationSpans(SnapshotSpan span)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.CreateClassifiedRuns(SnapshotSpan span, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.Create(ITextAndAdornmentCollection elements, ITextSnapshot sourceSnapshot, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.FormattedLineSource.FormatLineInVisualBufferIfChanged(ITextSnapshotLine visualLine, IList`1 oldLines, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.FormatSnapshotLine(ITextSnapshotLine visualLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoLayoutDown(ITextSnapshotLine visualLine, Double referenceLine, Double effectiveViewportHeight, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoCompleteLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportHeight, Double& referenceLine, Double& distanceAboveReferenceLine, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.InnerPerformLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot, SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.<QueueLayout>b__258_0()
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.DispatcherOperation.InvokeImpl()
   at System.Windows.Threading.DispatcherOperation.InvokeInSecurityContext(Object state)
   at MS.Internal.CulturePreservingExecutionContext.CallbackWrapper(Object obj)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   at MS.Internal.CulturePreservingExecutionContext.Run(CulturePreservingExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Windows.Threading.DispatcherOperation.Invoke()
   at System.Windows.Threading.Dispatcher.ProcessQueue()
   at System.Windows.Threading.Dispatcher.WndProcHook(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.Dispatcher.LegacyInvokeImpl(DispatcherPriority priority, TimeSpan timeout, Delegate method, Object args, Int32 numArgs)
   at MS.Win32.HwndSubclass.SubclassWndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam)
[F#][INFO 10:01:27 PM] => FSharpColorizationService.AddSyntacticClassificationsAsync
   at System.Environment.GetStackTrace(Exception e, Boolean needFileInfo)
   at System.Environment.get_StackTrace()
   at Microsoft.VisualStudio.FSharp.Editor.Cancellation.track(String method, CancellationToken ct)
   at Microsoft.VisualStudio.FSharp.Editor.FSharpColorizationService.Microsoft-CodeAnalysis-Editor-IEditorClassificationService-AddSyntacticClassificationsAsync(Document document, TextSpan textSpan, List`1 result, CancellationToken cancellationToken)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpansForCurrentTree(IEditorClassificationService classificationService, SnapshotSpan span, Document document, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpans(IEditorClassificationService classificationService, SnapshotSpan span, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.Tagger.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<GetTagsForBuffer>d__38.MoveNext()
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<InternalGetTags>d__39.MoveNext()
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.InternalGetClassificationSpans(SnapshotSpan span, IEnumerable`1 tags)
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.GetClassificationSpans(SnapshotSpan span)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.CreateClassifiedRuns(SnapshotSpan span, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.Create(ITextAndAdornmentCollection elements, ITextSnapshot sourceSnapshot, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.FormattedLineSource.FormatLineInVisualBufferIfChanged(ITextSnapshotLine visualLine, IList`1 oldLines, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.FormatSnapshotLine(ITextSnapshotLine visualLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoLayoutDown(ITextSnapshotLine visualLine, Double referenceLine, Double effectiveViewportHeight, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoCompleteLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportHeight, Double& referenceLine, Double& distanceAboveReferenceLine, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.InnerPerformLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot, SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.<QueueLayout>b__258_0()
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.DispatcherOperation.InvokeImpl()
   at System.Windows.Threading.DispatcherOperation.InvokeInSecurityContext(Object state)
   at MS.Internal.CulturePreservingExecutionContext.CallbackWrapper(Object obj)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   at MS.Internal.CulturePreservingExecutionContext.Run(CulturePreservingExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Windows.Threading.DispatcherOperation.Invoke()
   at System.Windows.Threading.Dispatcher.ProcessQueue()
   at System.Windows.Threading.Dispatcher.WndProcHook(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.Dispatcher.LegacyInvokeImpl(DispatcherPriority priority, TimeSpan timeout, Delegate method, Object args, Int32 numArgs)
   at MS.Win32.HwndSubclass.SubclassWndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam)
[F#][INFO 10:01:27 PM] => FSharpColorizationService.AddSyntacticClassificationsAsync
   at System.Environment.GetStackTrace(Exception e, Boolean needFileInfo)
   at System.Environment.get_StackTrace()
   at Microsoft.VisualStudio.FSharp.Editor.Cancellation.track(String method, CancellationToken ct)
   at Microsoft.VisualStudio.FSharp.Editor.FSharpColorizationService.Microsoft-CodeAnalysis-Editor-IEditorClassificationService-AddSyntacticClassificationsAsync(Document document, TextSpan textSpan, List`1 result, CancellationToken cancellationToken)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpansForCurrentTree(IEditorClassificationService classificationService, SnapshotSpan span, Document document, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpans(IEditorClassificationService classificationService, SnapshotSpan span, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.Tagger.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<GetTagsForBuffer>d__38.MoveNext()
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<InternalGetTags>d__39.MoveNext()
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.InternalGetClassificationSpans(SnapshotSpan span, IEnumerable`1 tags)
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.GetClassificationSpans(SnapshotSpan span)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.CreateClassifiedRuns(SnapshotSpan span, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.Create(ITextAndAdornmentCollection elements, ITextSnapshot sourceSnapshot, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.FormattedLineSource.FormatLineInVisualBufferIfChanged(ITextSnapshotLine visualLine, IList`1 oldLines, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.FormatSnapshotLine(ITextSnapshotLine visualLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoLayoutDown(ITextSnapshotLine visualLine, Double referenceLine, Double effectiveViewportHeight, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoCompleteLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportHeight, Double& referenceLine, Double& distanceAboveReferenceLine, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.InnerPerformLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot, SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.<QueueLayout>b__258_0()
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.DispatcherOperation.InvokeImpl()
   at System.Windows.Threading.DispatcherOperation.InvokeInSecurityContext(Object state)
   at MS.Internal.CulturePreservingExecutionContext.CallbackWrapper(Object obj)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   at MS.Internal.CulturePreservingExecutionContext.Run(CulturePreservingExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Windows.Threading.DispatcherOperation.Invoke()
   at System.Windows.Threading.Dispatcher.ProcessQueue()
   at System.Windows.Threading.Dispatcher.WndProcHook(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.Dispatcher.LegacyInvokeImpl(DispatcherPriority priority, TimeSpan timeout, Delegate method, Object args, Int32 numArgs)
   at MS.Win32.HwndSubclass.SubclassWndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam)
[F#][INFO 10:01:27 PM] => FSharpColorizationService.AddSyntacticClassificationsAsync
   at System.Environment.GetStackTrace(Exception e, Boolean needFileInfo)
   at System.Environment.get_StackTrace()
   at Microsoft.VisualStudio.FSharp.Editor.Cancellation.track(String method, CancellationToken ct)
   at Microsoft.VisualStudio.FSharp.Editor.FSharpColorizationService.Microsoft-CodeAnalysis-Editor-IEditorClassificationService-AddSyntacticClassificationsAsync(Document document, TextSpan textSpan, List`1 result, CancellationToken cancellationToken)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpansForCurrentTree(IEditorClassificationService classificationService, SnapshotSpan span, Document document, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpans(IEditorClassificationService classificationService, SnapshotSpan span, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.Tagger.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<GetTagsForBuffer>d__38.MoveNext()
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<InternalGetTags>d__39.MoveNext()
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.InternalGetClassificationSpans(SnapshotSpan span, IEnumerable`1 tags)
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.GetClassificationSpans(SnapshotSpan span)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.CreateClassifiedRuns(SnapshotSpan span, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.Create(ITextAndAdornmentCollection elements, ITextSnapshot sourceSnapshot, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.FormattedLineSource.FormatLineInVisualBufferIfChanged(ITextSnapshotLine visualLine, IList`1 oldLines, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.FormatSnapshotLine(ITextSnapshotLine visualLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoLayoutDown(ITextSnapshotLine visualLine, Double referenceLine, Double effectiveViewportHeight, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoCompleteLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportHeight, Double& referenceLine, Double& distanceAboveReferenceLine, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.InnerPerformLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot, SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.<QueueLayout>b__258_0()
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.DispatcherOperation.InvokeImpl()
   at System.Windows.Threading.DispatcherOperation.InvokeInSecurityContext(Object state)
   at MS.Internal.CulturePreservingExecutionContext.CallbackWrapper(Object obj)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   at MS.Internal.CulturePreservingExecutionContext.Run(CulturePreservingExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Windows.Threading.DispatcherOperation.Invoke()
   at System.Windows.Threading.Dispatcher.ProcessQueue()
   at System.Windows.Threading.Dispatcher.WndProcHook(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.Dispatcher.LegacyInvokeImpl(DispatcherPriority priority, TimeSpan timeout, Delegate method, Object args, Int32 numArgs)
   at MS.Win32.HwndSubclass.SubclassWndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam)
[F#][INFO 10:01:27 PM] => FSharpColorizationService.AddSyntacticClassificationsAsync
   at System.Environment.GetStackTrace(Exception e, Boolean needFileInfo)
   at System.Environment.get_StackTrace()
   at Microsoft.VisualStudio.FSharp.Editor.Cancellation.track(String method, CancellationToken ct)
   at Microsoft.VisualStudio.FSharp.Editor.FSharpColorizationService.Microsoft-CodeAnalysis-Editor-IEditorClassificationService-AddSyntacticClassificationsAsync(Document document, TextSpan textSpan, List`1 result, CancellationToken cancellationToken)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpansForCurrentTree(IEditorClassificationService classificationService, SnapshotSpan span, Document document, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpans(IEditorClassificationService classificationService, SnapshotSpan span, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.Tagger.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<GetTagsForBuffer>d__38.MoveNext()
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<InternalGetTags>d__39.MoveNext()
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.InternalGetClassificationSpans(SnapshotSpan span, IEnumerable`1 tags)
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.GetClassificationSpans(SnapshotSpan span)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.CreateClassifiedRuns(SnapshotSpan span, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.Create(ITextAndAdornmentCollection elements, ITextSnapshot sourceSnapshot, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.FormattedLineSource.FormatLineInVisualBufferIfChanged(ITextSnapshotLine visualLine, IList`1 oldLines, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.FormatSnapshotLine(ITextSnapshotLine visualLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoLayoutDown(ITextSnapshotLine visualLine, Double referenceLine, Double effectiveViewportHeight, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoCompleteLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportHeight, Double& referenceLine, Double& distanceAboveReferenceLine, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.InnerPerformLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot, SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.<QueueLayout>b__258_0()
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.DispatcherOperation.InvokeImpl()
   at System.Windows.Threading.DispatcherOperation.InvokeInSecurityContext(Object state)
   at MS.Internal.CulturePreservingExecutionContext.CallbackWrapper(Object obj)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   at MS.Internal.CulturePreservingExecutionContext.Run(CulturePreservingExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Windows.Threading.DispatcherOperation.Invoke()
   at System.Windows.Threading.Dispatcher.ProcessQueue()
   at System.Windows.Threading.Dispatcher.WndProcHook(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.Dispatcher.LegacyInvokeImpl(DispatcherPriority priority, TimeSpan timeout, Delegate method, Object args, Int32 numArgs)
   at MS.Win32.HwndSubclass.SubclassWndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam)
[F#][INFO 10:01:27 PM] => FSharpColorizationService.AddSyntacticClassificationsAsync
   at System.Environment.GetStackTrace(Exception e, Boolean needFileInfo)
   at System.Environment.get_StackTrace()
   at Microsoft.VisualStudio.FSharp.Editor.Cancellation.track(String method, CancellationToken ct)
   at Microsoft.VisualStudio.FSharp.Editor.FSharpColorizationService.Microsoft-CodeAnalysis-Editor-IEditorClassificationService-AddSyntacticClassificationsAsync(Document document, TextSpan textSpan, List`1 result, CancellationToken cancellationToken)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpansForCurrentTree(IEditorClassificationService classificationService, SnapshotSpan span, Document document, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpans(IEditorClassificationService classificationService, SnapshotSpan span, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.Tagger.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<GetTagsForBuffer>d__38.MoveNext()
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<InternalGetTags>d__39.MoveNext()
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.InternalGetClassificationSpans(SnapshotSpan span, IEnumerable`1 tags)
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.GetClassificationSpans(SnapshotSpan span)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.CreateClassifiedRuns(SnapshotSpan span, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.Create(ITextAndAdornmentCollection elements, ITextSnapshot sourceSnapshot, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.FormattedLineSource.FormatLineInVisualBufferIfChanged(ITextSnapshotLine visualLine, IList`1 oldLines, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.FormatSnapshotLine(ITextSnapshotLine visualLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoLayoutDown(ITextSnapshotLine visualLine, Double referenceLine, Double effectiveViewportHeight, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoCompleteLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportHeight, Double& referenceLine, Double& distanceAboveReferenceLine, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.InnerPerformLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot, SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.<QueueLayout>b__258_0()
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.DispatcherOperation.InvokeImpl()
   at System.Windows.Threading.DispatcherOperation.InvokeInSecurityContext(Object state)
   at MS.Internal.CulturePreservingExecutionContext.CallbackWrapper(Object obj)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   at MS.Internal.CulturePreservingExecutionContext.Run(CulturePreservingExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Windows.Threading.DispatcherOperation.Invoke()
   at System.Windows.Threading.Dispatcher.ProcessQueue()
   at System.Windows.Threading.Dispatcher.WndProcHook(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.Dispatcher.LegacyInvokeImpl(DispatcherPriority priority, TimeSpan timeout, Delegate method, Object args, Int32 numArgs)
   at MS.Win32.HwndSubclass.SubclassWndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam)
[F#][INFO 10:01:27 PM] => FSharpColorizationService.AddSyntacticClassificationsAsync
   at System.Environment.GetStackTrace(Exception e, Boolean needFileInfo)
   at System.Environment.get_StackTrace()
   at Microsoft.VisualStudio.FSharp.Editor.Cancellation.track(String method, CancellationToken ct)
   at Microsoft.VisualStudio.FSharp.Editor.FSharpColorizationService.Microsoft-CodeAnalysis-Editor-IEditorClassificationService-AddSyntacticClassificationsAsync(Document document, TextSpan textSpan, List`1 result, CancellationToken cancellationToken)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpansForCurrentTree(IEditorClassificationService classificationService, SnapshotSpan span, Document document, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpans(IEditorClassificationService classificationService, SnapshotSpan span, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.Tagger.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<GetTagsForBuffer>d__38.MoveNext()
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<InternalGetTags>d__39.MoveNext()
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.InternalGetClassificationSpans(SnapshotSpan span, IEnumerable`1 tags)
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.GetClassificationSpans(SnapshotSpan span)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.CreateClassifiedRuns(SnapshotSpan span, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.Create(ITextAndAdornmentCollection elements, ITextSnapshot sourceSnapshot, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.FormattedLineSource.FormatLineInVisualBufferIfChanged(ITextSnapshotLine visualLine, IList`1 oldLines, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.FormatSnapshotLine(ITextSnapshotLine visualLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoLayoutDown(ITextSnapshotLine visualLine, Double referenceLine, Double effectiveViewportHeight, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoCompleteLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportHeight, Double& referenceLine, Double& distanceAboveReferenceLine, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.InnerPerformLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot, SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.<QueueLayout>b__258_0()
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.DispatcherOperation.InvokeImpl()
   at System.Windows.Threading.DispatcherOperation.InvokeInSecurityContext(Object state)
   at MS.Internal.CulturePreservingExecutionContext.CallbackWrapper(Object obj)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   at MS.Internal.CulturePreservingExecutionContext.Run(CulturePreservingExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Windows.Threading.DispatcherOperation.Invoke()
   at System.Windows.Threading.Dispatcher.ProcessQueue()
   at System.Windows.Threading.Dispatcher.WndProcHook(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.Dispatcher.LegacyInvokeImpl(DispatcherPriority priority, TimeSpan timeout, Delegate method, Object args, Int32 numArgs)
   at MS.Win32.HwndSubclass.SubclassWndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam)
[F#][INFO 10:01:27 PM] => FSharpColorizationService.AddSyntacticClassificationsAsync
   at System.Environment.GetStackTrace(Exception e, Boolean needFileInfo)
   at System.Environment.get_StackTrace()
   at Microsoft.VisualStudio.FSharp.Editor.Cancellation.track(String method, CancellationToken ct)
   at Microsoft.VisualStudio.FSharp.Editor.FSharpColorizationService.Microsoft-CodeAnalysis-Editor-IEditorClassificationService-AddSyntacticClassificationsAsync(Document document, TextSpan textSpan, List`1 result, CancellationToken cancellationToken)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpansForCurrentTree(IEditorClassificationService classificationService, SnapshotSpan span, Document document, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpans(IEditorClassificationService classificationService, SnapshotSpan span, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.Tagger.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<GetTagsForBuffer>d__38.MoveNext()
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<InternalGetTags>d__39.MoveNext()
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.InternalGetClassificationSpans(SnapshotSpan span, IEnumerable`1 tags)
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.GetClassificationSpans(SnapshotSpan span)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.CreateClassifiedRuns(SnapshotSpan span, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.Create(ITextAndAdornmentCollection elements, ITextSnapshot sourceSnapshot, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.FormattedLineSource.FormatLineInVisualBufferIfChanged(ITextSnapshotLine visualLine, IList`1 oldLines, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.FormatSnapshotLine(ITextSnapshotLine visualLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoLayoutDown(ITextSnapshotLine visualLine, Double referenceLine, Double effectiveViewportHeight, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoCompleteLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportHeight, Double& referenceLine, Double& distanceAboveReferenceLine, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.InnerPerformLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot, SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.<QueueLayout>b__258_0()
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.DispatcherOperation.InvokeImpl()
   at System.Windows.Threading.DispatcherOperation.InvokeInSecurityContext(Object state)
   at MS.Internal.CulturePreservingExecutionContext.CallbackWrapper(Object obj)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   at MS.Internal.CulturePreservingExecutionContext.Run(CulturePreservingExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Windows.Threading.DispatcherOperation.Invoke()
   at System.Windows.Threading.Dispatcher.ProcessQueue()
   at System.Windows.Threading.Dispatcher.WndProcHook(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.Dispatcher.LegacyInvokeImpl(DispatcherPriority priority, TimeSpan timeout, Delegate method, Object args, Int32 numArgs)
   at MS.Win32.HwndSubclass.SubclassWndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam)
[F#][INFO 10:01:27 PM] => FSharpColorizationService.AddSyntacticClassificationsAsync
   at System.Environment.GetStackTrace(Exception e, Boolean needFileInfo)
   at System.Environment.get_StackTrace()
   at Microsoft.VisualStudio.FSharp.Editor.Cancellation.track(String method, CancellationToken ct)
   at Microsoft.VisualStudio.FSharp.Editor.FSharpColorizationService.Microsoft-CodeAnalysis-Editor-IEditorClassificationService-AddSyntacticClassificationsAsync(Document document, TextSpan textSpan, List`1 result, CancellationToken cancellationToken)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpansForCurrentTree(IEditorClassificationService classificationService, SnapshotSpan span, Document document, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpans(IEditorClassificationService classificationService, SnapshotSpan span, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.Tagger.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<GetTagsForBuffer>d__38.MoveNext()
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<InternalGetTags>d__39.MoveNext()
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.InternalGetClassificationSpans(SnapshotSpan span, IEnumerable`1 tags)
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.GetClassificationSpans(SnapshotSpan span)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.CreateClassifiedRuns(SnapshotSpan span, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.Create(ITextAndAdornmentCollection elements, ITextSnapshot sourceSnapshot, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.FormattedLineSource.FormatLineInVisualBufferIfChanged(ITextSnapshotLine visualLine, IList`1 oldLines, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.FormatSnapshotLine(ITextSnapshotLine visualLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoLayoutDown(ITextSnapshotLine visualLine, Double referenceLine, Double effectiveViewportHeight, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoCompleteLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportHeight, Double& referenceLine, Double& distanceAboveReferenceLine, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.InnerPerformLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot, SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.<QueueLayout>b__258_0()
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.DispatcherOperation.InvokeImpl()
   at System.Windows.Threading.DispatcherOperation.InvokeInSecurityContext(Object state)
   at MS.Internal.CulturePreservingExecutionContext.CallbackWrapper(Object obj)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   at MS.Internal.CulturePreservingExecutionContext.Run(CulturePreservingExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Windows.Threading.DispatcherOperation.Invoke()
   at System.Windows.Threading.Dispatcher.ProcessQueue()
   at System.Windows.Threading.Dispatcher.WndProcHook(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.Dispatcher.LegacyInvokeImpl(DispatcherPriority priority, TimeSpan timeout, Delegate method, Object args, Int32 numArgs)
   at MS.Win32.HwndSubclass.SubclassWndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam)
[F#][INFO 10:01:27 PM] => FSharpColorizationService.AddSyntacticClassificationsAsync
   at System.Environment.GetStackTrace(Exception e, Boolean needFileInfo)
   at System.Environment.get_StackTrace()
   at Microsoft.VisualStudio.FSharp.Editor.Cancellation.track(String method, CancellationToken ct)
   at Microsoft.VisualStudio.FSharp.Editor.FSharpColorizationService.Microsoft-CodeAnalysis-Editor-IEditorClassificationService-AddSyntacticClassificationsAsync(Document document, TextSpan textSpan, List`1 result, CancellationToken cancellationToken)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpansForCurrentTree(IEditorClassificationService classificationService, SnapshotSpan span, Document document, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpans(IEditorClassificationService classificationService, SnapshotSpan span, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.Tagger.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<GetTagsForBuffer>d__38.MoveNext()
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<InternalGetTags>d__39.MoveNext()
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.InternalGetClassificationSpans(SnapshotSpan span, IEnumerable`1 tags)
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.GetClassificationSpans(SnapshotSpan span)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.CreateClassifiedRuns(SnapshotSpan span, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.Create(ITextAndAdornmentCollection elements, ITextSnapshot sourceSnapshot, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.FormattedLineSource.FormatLineInVisualBufferIfChanged(ITextSnapshotLine visualLine, IList`1 oldLines, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.FormatSnapshotLine(ITextSnapshotLine visualLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoLayoutDown(ITextSnapshotLine visualLine, Double referenceLine, Double effectiveViewportHeight, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoCompleteLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportHeight, Double& referenceLine, Double& distanceAboveReferenceLine, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.InnerPerformLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot, SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.<QueueLayout>b__258_0()
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.DispatcherOperation.InvokeImpl()
   at System.Windows.Threading.DispatcherOperation.InvokeInSecurityContext(Object state)
   at MS.Internal.CulturePreservingExecutionContext.CallbackWrapper(Object obj)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   at MS.Internal.CulturePreservingExecutionContext.Run(CulturePreservingExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Windows.Threading.DispatcherOperation.Invoke()
   at System.Windows.Threading.Dispatcher.ProcessQueue()
   at System.Windows.Threading.Dispatcher.WndProcHook(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.Dispatcher.LegacyInvokeImpl(DispatcherPriority priority, TimeSpan timeout, Delegate method, Object args, Int32 numArgs)
   at MS.Win32.HwndSubclass.SubclassWndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam)
[F#][INFO 10:01:27 PM] => FSharpColorizationService.AddSyntacticClassificationsAsync
   at System.Environment.GetStackTrace(Exception e, Boolean needFileInfo)
   at System.Environment.get_StackTrace()
   at Microsoft.VisualStudio.FSharp.Editor.Cancellation.track(String method, CancellationToken ct)
   at Microsoft.VisualStudio.FSharp.Editor.FSharpColorizationService.Microsoft-CodeAnalysis-Editor-IEditorClassificationService-AddSyntacticClassificationsAsync(Document document, TextSpan textSpan, List`1 result, CancellationToken cancellationToken)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpansForCurrentTree(IEditorClassificationService classificationService, SnapshotSpan span, Document document, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpans(IEditorClassificationService classificationService, SnapshotSpan span, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.Tagger.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<GetTagsForBuffer>d__38.MoveNext()
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<InternalGetTags>d__39.MoveNext()
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.InternalGetClassificationSpans(SnapshotSpan span, IEnumerable`1 tags)
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.GetClassificationSpans(SnapshotSpan span)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.CreateClassifiedRuns(SnapshotSpan span, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.Create(ITextAndAdornmentCollection elements, ITextSnapshot sourceSnapshot, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.FormattedLineSource.FormatLineInVisualBufferIfChanged(ITextSnapshotLine visualLine, IList`1 oldLines, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.FormatSnapshotLine(ITextSnapshotLine visualLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoLayoutDown(ITextSnapshotLine visualLine, Double referenceLine, Double effectiveViewportHeight, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoCompleteLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportHeight, Double& referenceLine, Double& distanceAboveReferenceLine, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.InnerPerformLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot, SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.<QueueLayout>b__258_0()
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.DispatcherOperation.InvokeImpl()
   at System.Windows.Threading.DispatcherOperation.InvokeInSecurityContext(Object state)
   at MS.Internal.CulturePreservingExecutionContext.CallbackWrapper(Object obj)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   at MS.Internal.CulturePreservingExecutionContext.Run(CulturePreservingExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Windows.Threading.DispatcherOperation.Invoke()
   at System.Windows.Threading.Dispatcher.ProcessQueue()
   at System.Windows.Threading.Dispatcher.WndProcHook(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.Dispatcher.LegacyInvokeImpl(DispatcherPriority priority, TimeSpan timeout, Delegate method, Object args, Int32 numArgs)
   at MS.Win32.HwndSubclass.SubclassWndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam)
[F#][INFO 10:01:27 PM] => FSharpColorizationService.AddSyntacticClassificationsAsync
   at System.Environment.GetStackTrace(Exception e, Boolean needFileInfo)
   at System.Environment.get_StackTrace()
   at Microsoft.VisualStudio.FSharp.Editor.Cancellation.track(String method, CancellationToken ct)
   at Microsoft.VisualStudio.FSharp.Editor.FSharpColorizationService.Microsoft-CodeAnalysis-Editor-IEditorClassificationService-AddSyntacticClassificationsAsync(Document document, TextSpan textSpan, List`1 result, CancellationToken cancellationToken)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpansForCurrentTree(IEditorClassificationService classificationService, SnapshotSpan span, Document document, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpans(IEditorClassificationService classificationService, SnapshotSpan span, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.Tagger.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<GetTagsForBuffer>d__38.MoveNext()
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<InternalGetTags>d__39.MoveNext()
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.InternalGetClassificationSpans(SnapshotSpan span, IEnumerable`1 tags)
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.GetClassificationSpans(SnapshotSpan span)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.CreateClassifiedRuns(SnapshotSpan span, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.Create(ITextAndAdornmentCollection elements, ITextSnapshot sourceSnapshot, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.FormattedLineSource.FormatLineInVisualBufferIfChanged(ITextSnapshotLine visualLine, IList`1 oldLines, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.FormatSnapshotLine(ITextSnapshotLine visualLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoLayoutDown(ITextSnapshotLine visualLine, Double referenceLine, Double effectiveViewportHeight, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoCompleteLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportHeight, Double& referenceLine, Double& distanceAboveReferenceLine, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.InnerPerformLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot, SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.<QueueLayout>b__258_0()
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.DispatcherOperation.InvokeImpl()
   at System.Windows.Threading.DispatcherOperation.InvokeInSecurityContext(Object state)
   at MS.Internal.CulturePreservingExecutionContext.CallbackWrapper(Object obj)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   at MS.Internal.CulturePreservingExecutionContext.Run(CulturePreservingExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Windows.Threading.DispatcherOperation.Invoke()
   at System.Windows.Threading.Dispatcher.ProcessQueue()
   at System.Windows.Threading.Dispatcher.WndProcHook(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.Dispatcher.LegacyInvokeImpl(DispatcherPriority priority, TimeSpan timeout, Delegate method, Object args, Int32 numArgs)
   at MS.Win32.HwndSubclass.SubclassWndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam)
[F#][INFO 10:01:27 PM] => FSharpColorizationService.AddSyntacticClassificationsAsync
   at System.Environment.GetStackTrace(Exception e, Boolean needFileInfo)
   at System.Environment.get_StackTrace()
   at Microsoft.VisualStudio.FSharp.Editor.Cancellation.track(String method, CancellationToken ct)
   at Microsoft.VisualStudio.FSharp.Editor.FSharpColorizationService.Microsoft-CodeAnalysis-Editor-IEditorClassificationService-AddSyntacticClassificationsAsync(Document document, TextSpan textSpan, List`1 result, CancellationToken cancellationToken)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpansForCurrentTree(IEditorClassificationService classificationService, SnapshotSpan span, Document document, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpans(IEditorClassificationService classificationService, SnapshotSpan span, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.Tagger.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<GetTagsForBuffer>d__38.MoveNext()
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<InternalGetTags>d__39.MoveNext()
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.InternalGetClassificationSpans(SnapshotSpan span, IEnumerable`1 tags)
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.GetClassificationSpans(SnapshotSpan span)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.CreateClassifiedRuns(SnapshotSpan span, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.Create(ITextAndAdornmentCollection elements, ITextSnapshot sourceSnapshot, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.FormattedLineSource.FormatLineInVisualBufferIfChanged(ITextSnapshotLine visualLine, IList`1 oldLines, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.FormatSnapshotLine(ITextSnapshotLine visualLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoLayoutDown(ITextSnapshotLine visualLine, Double referenceLine, Double effectiveViewportHeight, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoCompleteLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportHeight, Double& referenceLine, Double& distanceAboveReferenceLine, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.InnerPerformLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot, SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.<QueueLayout>b__258_0()
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.DispatcherOperation.InvokeImpl()
   at System.Windows.Threading.DispatcherOperation.InvokeInSecurityContext(Object state)
   at MS.Internal.CulturePreservingExecutionContext.CallbackWrapper(Object obj)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   at MS.Internal.CulturePreservingExecutionContext.Run(CulturePreservingExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Windows.Threading.DispatcherOperation.Invoke()
   at System.Windows.Threading.Dispatcher.ProcessQueue()
   at System.Windows.Threading.Dispatcher.WndProcHook(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.Dispatcher.LegacyInvokeImpl(DispatcherPriority priority, TimeSpan timeout, Delegate method, Object args, Int32 numArgs)
   at MS.Win32.HwndSubclass.SubclassWndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam)
[F#][INFO 10:01:27 PM] => FSharpColorizationService.AddSyntacticClassificationsAsync
   at System.Environment.GetStackTrace(Exception e, Boolean needFileInfo)
   at System.Environment.get_StackTrace()
   at Microsoft.VisualStudio.FSharp.Editor.Cancellation.track(String method, CancellationToken ct)
   at Microsoft.VisualStudio.FSharp.Editor.FSharpColorizationService.Microsoft-CodeAnalysis-Editor-IEditorClassificationService-AddSyntacticClassificationsAsync(Document document, TextSpan textSpan, List`1 result, CancellationToken cancellationToken)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpansForCurrentTree(IEditorClassificationService classificationService, SnapshotSpan span, Document document, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpans(IEditorClassificationService classificationService, SnapshotSpan span, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.Tagger.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<GetTagsForBuffer>d__38.MoveNext()
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<InternalGetTags>d__39.MoveNext()
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.InternalGetClassificationSpans(SnapshotSpan span, IEnumerable`1 tags)
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.GetClassificationSpans(SnapshotSpan span)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.CreateClassifiedRuns(SnapshotSpan span, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.Create(ITextAndAdornmentCollection elements, ITextSnapshot sourceSnapshot, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.FormattedLineSource.FormatLineInVisualBufferIfChanged(ITextSnapshotLine visualLine, IList`1 oldLines, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.FormatSnapshotLine(ITextSnapshotLine visualLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoLayoutDown(ITextSnapshotLine visualLine, Double referenceLine, Double effectiveViewportHeight, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoCompleteLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportHeight, Double& referenceLine, Double& distanceAboveReferenceLine, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.InnerPerformLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot, SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.<QueueLayout>b__258_0()
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.DispatcherOperation.InvokeImpl()
   at System.Windows.Threading.DispatcherOperation.InvokeInSecurityContext(Object state)
   at MS.Internal.CulturePreservingExecutionContext.CallbackWrapper(Object obj)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   at MS.Internal.CulturePreservingExecutionContext.Run(CulturePreservingExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Windows.Threading.DispatcherOperation.Invoke()
   at System.Windows.Threading.Dispatcher.ProcessQueue()
   at System.Windows.Threading.Dispatcher.WndProcHook(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.Dispatcher.LegacyInvokeImpl(DispatcherPriority priority, TimeSpan timeout, Delegate method, Object args, Int32 numArgs)
   at MS.Win32.HwndSubclass.SubclassWndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam)
[F#][INFO 10:01:27 PM] => FSharpColorizationService.AddSyntacticClassificationsAsync
   at System.Environment.GetStackTrace(Exception e, Boolean needFileInfo)
   at System.Environment.get_StackTrace()
   at Microsoft.VisualStudio.FSharp.Editor.Cancellation.track(String method, CancellationToken ct)
   at Microsoft.VisualStudio.FSharp.Editor.FSharpColorizationService.Microsoft-CodeAnalysis-Editor-IEditorClassificationService-AddSyntacticClassificationsAsync(Document document, TextSpan textSpan, List`1 result, CancellationToken cancellationToken)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpansForCurrentTree(IEditorClassificationService classificationService, SnapshotSpan span, Document document, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpans(IEditorClassificationService classificationService, SnapshotSpan span, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.Tagger.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<GetTagsForBuffer>d__38.MoveNext()
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<InternalGetTags>d__39.MoveNext()
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.InternalGetClassificationSpans(SnapshotSpan span, IEnumerable`1 tags)
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.GetClassificationSpans(SnapshotSpan span)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.CreateClassifiedRuns(SnapshotSpan span, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.Create(ITextAndAdornmentCollection elements, ITextSnapshot sourceSnapshot, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.FormattedLineSource.FormatLineInVisualBufferIfChanged(ITextSnapshotLine visualLine, IList`1 oldLines, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.FormatSnapshotLine(ITextSnapshotLine visualLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoLayoutDown(ITextSnapshotLine visualLine, Double referenceLine, Double effectiveViewportHeight, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoCompleteLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportHeight, Double& referenceLine, Double& distanceAboveReferenceLine, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.InnerPerformLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot, SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.<QueueLayout>b__258_0()
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.DispatcherOperation.InvokeImpl()
   at System.Windows.Threading.DispatcherOperation.InvokeInSecurityContext(Object state)
   at MS.Internal.CulturePreservingExecutionContext.CallbackWrapper(Object obj)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   at MS.Internal.CulturePreservingExecutionContext.Run(CulturePreservingExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Windows.Threading.DispatcherOperation.Invoke()
   at System.Windows.Threading.Dispatcher.ProcessQueue()
   at System.Windows.Threading.Dispatcher.WndProcHook(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.Dispatcher.LegacyInvokeImpl(DispatcherPriority priority, TimeSpan timeout, Delegate method, Object args, Int32 numArgs)
   at MS.Win32.HwndSubclass.SubclassWndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam)
[F#][INFO 10:01:27 PM] => FSharpColorizationService.AddSyntacticClassificationsAsync
   at System.Environment.GetStackTrace(Exception e, Boolean needFileInfo)
   at System.Environment.get_StackTrace()
   at Microsoft.VisualStudio.FSharp.Editor.Cancellation.track(String method, CancellationToken ct)
   at Microsoft.VisualStudio.FSharp.Editor.FSharpColorizationService.Microsoft-CodeAnalysis-Editor-IEditorClassificationService-AddSyntacticClassificationsAsync(Document document, TextSpan textSpan, List`1 result, CancellationToken cancellationToken)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpansForCurrentTree(IEditorClassificationService classificationService, SnapshotSpan span, Document document, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpans(IEditorClassificationService classificationService, SnapshotSpan span, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.Tagger.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<GetTagsForBuffer>d__38.MoveNext()
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<InternalGetTags>d__39.MoveNext()
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.InternalGetClassificationSpans(SnapshotSpan span, IEnumerable`1 tags)
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.GetClassificationSpans(SnapshotSpan span)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.CreateClassifiedRuns(SnapshotSpan span, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.Create(ITextAndAdornmentCollection elements, ITextSnapshot sourceSnapshot, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.FormattedLineSource.FormatLineInVisualBufferIfChanged(ITextSnapshotLine visualLine, IList`1 oldLines, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.FormatSnapshotLine(ITextSnapshotLine visualLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoLayoutDown(ITextSnapshotLine visualLine, Double referenceLine, Double effectiveViewportHeight, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoCompleteLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportHeight, Double& referenceLine, Double& distanceAboveReferenceLine, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.InnerPerformLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot, SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.<QueueLayout>b__258_0()
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.DispatcherOperation.InvokeImpl()
   at System.Windows.Threading.DispatcherOperation.InvokeInSecurityContext(Object state)
   at MS.Internal.CulturePreservingExecutionContext.CallbackWrapper(Object obj)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   at MS.Internal.CulturePreservingExecutionContext.Run(CulturePreservingExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Windows.Threading.DispatcherOperation.Invoke()
   at System.Windows.Threading.Dispatcher.ProcessQueue()
   at System.Windows.Threading.Dispatcher.WndProcHook(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.Dispatcher.LegacyInvokeImpl(DispatcherPriority priority, TimeSpan timeout, Delegate method, Object args, Int32 numArgs)
   at MS.Win32.HwndSubclass.SubclassWndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam)
[F#][INFO 10:01:27 PM] => FSharpColorizationService.AddSyntacticClassificationsAsync
   at System.Environment.GetStackTrace(Exception e, Boolean needFileInfo)
   at System.Environment.get_StackTrace()
   at Microsoft.VisualStudio.FSharp.Editor.Cancellation.track(String method, CancellationToken ct)
   at Microsoft.VisualStudio.FSharp.Editor.FSharpColorizationService.Microsoft-CodeAnalysis-Editor-IEditorClassificationService-AddSyntacticClassificationsAsync(Document document, TextSpan textSpan, List`1 result, CancellationToken cancellationToken)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpansForCurrentTree(IEditorClassificationService classificationService, SnapshotSpan span, Document document, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpans(IEditorClassificationService classificationService, SnapshotSpan span, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.Tagger.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<GetTagsForBuffer>d__38.MoveNext()
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<InternalGetTags>d__39.MoveNext()
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.InternalGetClassificationSpans(SnapshotSpan span, IEnumerable`1 tags)
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.GetClassificationSpans(SnapshotSpan span)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.CreateClassifiedRuns(SnapshotSpan span, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.Create(ITextAndAdornmentCollection elements, ITextSnapshot sourceSnapshot, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.FormattedLineSource.FormatLineInVisualBufferIfChanged(ITextSnapshotLine visualLine, IList`1 oldLines, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.FormatSnapshotLine(ITextSnapshotLine visualLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoLayoutDown(ITextSnapshotLine visualLine, Double referenceLine, Double effectiveViewportHeight, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoCompleteLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportHeight, Double& referenceLine, Double& distanceAboveReferenceLine, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.InnerPerformLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot, SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.<QueueLayout>b__258_0()
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.DispatcherOperation.InvokeImpl()
   at System.Windows.Threading.DispatcherOperation.InvokeInSecurityContext(Object state)
   at MS.Internal.CulturePreservingExecutionContext.CallbackWrapper(Object obj)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   at MS.Internal.CulturePreservingExecutionContext.Run(CulturePreservingExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Windows.Threading.DispatcherOperation.Invoke()
   at System.Windows.Threading.Dispatcher.ProcessQueue()
   at System.Windows.Threading.Dispatcher.WndProcHook(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.Dispatcher.LegacyInvokeImpl(DispatcherPriority priority, TimeSpan timeout, Delegate method, Object args, Int32 numArgs)
   at MS.Win32.HwndSubclass.SubclassWndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam)
[F#][INFO 10:01:27 PM] => FSharpColorizationService.AddSyntacticClassificationsAsync
   at System.Environment.GetStackTrace(Exception e, Boolean needFileInfo)
   at System.Environment.get_StackTrace()
   at Microsoft.VisualStudio.FSharp.Editor.Cancellation.track(String method, CancellationToken ct)
   at Microsoft.VisualStudio.FSharp.Editor.FSharpColorizationService.Microsoft-CodeAnalysis-Editor-IEditorClassificationService-AddSyntacticClassificationsAsync(Document document, TextSpan textSpan, List`1 result, CancellationToken cancellationToken)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpansForCurrentTree(IEditorClassificationService classificationService, SnapshotSpan span, Document document, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpans(IEditorClassificationService classificationService, SnapshotSpan span, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.Tagger.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<GetTagsForBuffer>d__38.MoveNext()
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<InternalGetTags>d__39.MoveNext()
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.InternalGetClassificationSpans(SnapshotSpan span, IEnumerable`1 tags)
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.GetClassificationSpans(SnapshotSpan span)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.CreateClassifiedRuns(SnapshotSpan span, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.Create(ITextAndAdornmentCollection elements, ITextSnapshot sourceSnapshot, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.FormattedLineSource.FormatLineInVisualBufferIfChanged(ITextSnapshotLine visualLine, IList`1 oldLines, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.FormatSnapshotLine(ITextSnapshotLine visualLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoLayoutDown(ITextSnapshotLine visualLine, Double referenceLine, Double effectiveViewportHeight, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoCompleteLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportHeight, Double& referenceLine, Double& distanceAboveReferenceLine, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.InnerPerformLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot, SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.<QueueLayout>b__258_0()
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.DispatcherOperation.InvokeImpl()
   at System.Windows.Threading.DispatcherOperation.InvokeInSecurityContext(Object state)
   at MS.Internal.CulturePreservingExecutionContext.CallbackWrapper(Object obj)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   at MS.Internal.CulturePreservingExecutionContext.Run(CulturePreservingExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Windows.Threading.DispatcherOperation.Invoke()
   at System.Windows.Threading.Dispatcher.ProcessQueue()
   at System.Windows.Threading.Dispatcher.WndProcHook(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.Dispatcher.LegacyInvokeImpl(DispatcherPriority priority, TimeSpan timeout, Delegate method, Object args, Int32 numArgs)
   at MS.Win32.HwndSubclass.SubclassWndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam)
[F#][INFO 10:01:27 PM] => FSharpColorizationService.AddSyntacticClassificationsAsync
   at System.Environment.GetStackTrace(Exception e, Boolean needFileInfo)
   at System.Environment.get_StackTrace()
   at Microsoft.VisualStudio.FSharp.Editor.Cancellation.track(String method, CancellationToken ct)
   at Microsoft.VisualStudio.FSharp.Editor.FSharpColorizationService.Microsoft-CodeAnalysis-Editor-IEditorClassificationService-AddSyntacticClassificationsAsync(Document document, TextSpan textSpan, List`1 result, CancellationToken cancellationToken)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpansForCurrentTree(IEditorClassificationService classificationService, SnapshotSpan span, Document document, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpans(IEditorClassificationService classificationService, SnapshotSpan span, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.Tagger.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<GetTagsForBuffer>d__38.MoveNext()
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<InternalGetTags>d__39.MoveNext()
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.InternalGetClassificationSpans(SnapshotSpan span, IEnumerable`1 tags)
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.GetClassificationSpans(SnapshotSpan span)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.CreateClassifiedRuns(SnapshotSpan span, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.Create(ITextAndAdornmentCollection elements, ITextSnapshot sourceSnapshot, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.FormattedLineSource.FormatLineInVisualBufferIfChanged(ITextSnapshotLine visualLine, IList`1 oldLines, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.FormatSnapshotLine(ITextSnapshotLine visualLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoLayoutDown(ITextSnapshotLine visualLine, Double referenceLine, Double effectiveViewportHeight, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoCompleteLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportHeight, Double& referenceLine, Double& distanceAboveReferenceLine, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.InnerPerformLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot, SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.<QueueLayout>b__258_0()
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.DispatcherOperation.InvokeImpl()
   at System.Windows.Threading.DispatcherOperation.InvokeInSecurityContext(Object state)
   at MS.Internal.CulturePreservingExecutionContext.CallbackWrapper(Object obj)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   at MS.Internal.CulturePreservingExecutionContext.Run(CulturePreservingExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Windows.Threading.DispatcherOperation.Invoke()
   at System.Windows.Threading.Dispatcher.ProcessQueue()
   at System.Windows.Threading.Dispatcher.WndProcHook(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.Dispatcher.LegacyInvokeImpl(DispatcherPriority priority, TimeSpan timeout, Delegate method, Object args, Int32 numArgs)
   at MS.Win32.HwndSubclass.SubclassWndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam)
[F#][INFO 10:01:27 PM] => FSharpColorizationService.AddSyntacticClassificationsAsync
   at System.Environment.GetStackTrace(Exception e, Boolean needFileInfo)
   at System.Environment.get_StackTrace()
   at Microsoft.VisualStudio.FSharp.Editor.Cancellation.track(String method, CancellationToken ct)
   at Microsoft.VisualStudio.FSharp.Editor.FSharpColorizationService.Microsoft-CodeAnalysis-Editor-IEditorClassificationService-AddSyntacticClassificationsAsync(Document document, TextSpan textSpan, List`1 result, CancellationToken cancellationToken)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpansForCurrentTree(IEditorClassificationService classificationService, SnapshotSpan span, Document document, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpans(IEditorClassificationService classificationService, SnapshotSpan span, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.Tagger.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<GetTagsForBuffer>d__38.MoveNext()
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<InternalGetTags>d__39.MoveNext()
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.InternalGetClassificationSpans(SnapshotSpan span, IEnumerable`1 tags)
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.GetClassificationSpans(SnapshotSpan span)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.CreateClassifiedRuns(SnapshotSpan span, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.Create(ITextAndAdornmentCollection elements, ITextSnapshot sourceSnapshot, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.FormattedLineSource.FormatLineInVisualBufferIfChanged(ITextSnapshotLine visualLine, IList`1 oldLines, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.FormatSnapshotLine(ITextSnapshotLine visualLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoLayoutDown(ITextSnapshotLine visualLine, Double referenceLine, Double effectiveViewportHeight, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoCompleteLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportHeight, Double& referenceLine, Double& distanceAboveReferenceLine, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.InnerPerformLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot, SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.<QueueLayout>b__258_0()
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.DispatcherOperation.InvokeImpl()
   at System.Windows.Threading.DispatcherOperation.InvokeInSecurityContext(Object state)
   at MS.Internal.CulturePreservingExecutionContext.CallbackWrapper(Object obj)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   at MS.Internal.CulturePreservingExecutionContext.Run(CulturePreservingExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Windows.Threading.DispatcherOperation.Invoke()
   at System.Windows.Threading.Dispatcher.ProcessQueue()
   at System.Windows.Threading.Dispatcher.WndProcHook(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.Dispatcher.LegacyInvokeImpl(DispatcherPriority priority, TimeSpan timeout, Delegate method, Object args, Int32 numArgs)
   at MS.Win32.HwndSubclass.SubclassWndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam)
[F#][INFO 10:01:27 PM] => FSharpColorizationService.AddSyntacticClassificationsAsync
   at System.Environment.GetStackTrace(Exception e, Boolean needFileInfo)
   at System.Environment.get_StackTrace()
   at Microsoft.VisualStudio.FSharp.Editor.Cancellation.track(String method, CancellationToken ct)
   at Microsoft.VisualStudio.FSharp.Editor.FSharpColorizationService.Microsoft-CodeAnalysis-Editor-IEditorClassificationService-AddSyntacticClassificationsAsync(Document document, TextSpan textSpan, List`1 result, CancellationToken cancellationToken)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpansForCurrentTree(IEditorClassificationService classificationService, SnapshotSpan span, Document document, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpans(IEditorClassificationService classificationService, SnapshotSpan span, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.Tagger.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<GetTagsForBuffer>d__38.MoveNext()
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<InternalGetTags>d__39.MoveNext()
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.InternalGetClassificationSpans(SnapshotSpan span, IEnumerable`1 tags)
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.GetClassificationSpans(SnapshotSpan span)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.CreateClassifiedRuns(SnapshotSpan span, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.Create(ITextAndAdornmentCollection elements, ITextSnapshot sourceSnapshot, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.FormattedLineSource.FormatLineInVisualBufferIfChanged(ITextSnapshotLine visualLine, IList`1 oldLines, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.FormatSnapshotLine(ITextSnapshotLine visualLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoLayoutDown(ITextSnapshotLine visualLine, Double referenceLine, Double effectiveViewportHeight, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoCompleteLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportHeight, Double& referenceLine, Double& distanceAboveReferenceLine, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.InnerPerformLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot, SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.<QueueLayout>b__258_0()
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.DispatcherOperation.InvokeImpl()
   at System.Windows.Threading.DispatcherOperation.InvokeInSecurityContext(Object state)
   at MS.Internal.CulturePreservingExecutionContext.CallbackWrapper(Object obj)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   at MS.Internal.CulturePreservingExecutionContext.Run(CulturePreservingExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Windows.Threading.DispatcherOperation.Invoke()
   at System.Windows.Threading.Dispatcher.ProcessQueue()
   at System.Windows.Threading.Dispatcher.WndProcHook(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.Dispatcher.LegacyInvokeImpl(DispatcherPriority priority, TimeSpan timeout, Delegate method, Object args, Int32 numArgs)
   at MS.Win32.HwndSubclass.SubclassWndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam)
[F#][INFO 10:01:27 PM] => FSharpColorizationService.AddSyntacticClassificationsAsync
   at System.Environment.GetStackTrace(Exception e, Boolean needFileInfo)
   at System.Environment.get_StackTrace()
   at Microsoft.VisualStudio.FSharp.Editor.Cancellation.track(String method, CancellationToken ct)
   at Microsoft.VisualStudio.FSharp.Editor.FSharpColorizationService.Microsoft-CodeAnalysis-Editor-IEditorClassificationService-AddSyntacticClassificationsAsync(Document document, TextSpan textSpan, List`1 result, CancellationToken cancellationToken)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpansForCurrentTree(IEditorClassificationService classificationService, SnapshotSpan span, Document document, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpans(IEditorClassificationService classificationService, SnapshotSpan span, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.Tagger.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<GetTagsForBuffer>d__38.MoveNext()
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<InternalGetTags>d__39.MoveNext()
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.InternalGetClassificationSpans(SnapshotSpan span, IEnumerable`1 tags)
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.GetClassificationSpans(SnapshotSpan span)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.CreateClassifiedRuns(SnapshotSpan span, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.Create(ITextAndAdornmentCollection elements, ITextSnapshot sourceSnapshot, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.FormattedLineSource.FormatLineInVisualBufferIfChanged(ITextSnapshotLine visualLine, IList`1 oldLines, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.FormatSnapshotLine(ITextSnapshotLine visualLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoLayoutDown(ITextSnapshotLine visualLine, Double referenceLine, Double effectiveViewportHeight, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoCompleteLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportHeight, Double& referenceLine, Double& distanceAboveReferenceLine, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.InnerPerformLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot, SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.<QueueLayout>b__258_0()
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.DispatcherOperation.InvokeImpl()
   at System.Windows.Threading.DispatcherOperation.InvokeInSecurityContext(Object state)
   at MS.Internal.CulturePreservingExecutionContext.CallbackWrapper(Object obj)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   at MS.Internal.CulturePreservingExecutionContext.Run(CulturePreservingExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Windows.Threading.DispatcherOperation.Invoke()
   at System.Windows.Threading.Dispatcher.ProcessQueue()
   at System.Windows.Threading.Dispatcher.WndProcHook(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.Dispatcher.LegacyInvokeImpl(DispatcherPriority priority, TimeSpan timeout, Delegate method, Object args, Int32 numArgs)
   at MS.Win32.HwndSubclass.SubclassWndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam)
[F#][INFO 10:01:27 PM] => FSharpColorizationService.AddSyntacticClassificationsAsync
   at System.Environment.GetStackTrace(Exception e, Boolean needFileInfo)
   at System.Environment.get_StackTrace()
   at Microsoft.VisualStudio.FSharp.Editor.Cancellation.track(String method, CancellationToken ct)
   at Microsoft.VisualStudio.FSharp.Editor.FSharpColorizationService.Microsoft-CodeAnalysis-Editor-IEditorClassificationService-AddSyntacticClassificationsAsync(Document document, TextSpan textSpan, List`1 result, CancellationToken cancellationToken)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpansForCurrentTree(IEditorClassificationService classificationService, SnapshotSpan span, Document document, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpans(IEditorClassificationService classificationService, SnapshotSpan span, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.Tagger.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<GetTagsForBuffer>d__38.MoveNext()
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<InternalGetTags>d__39.MoveNext()
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.InternalGetClassificationSpans(SnapshotSpan span, IEnumerable`1 tags)
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.GetClassificationSpans(SnapshotSpan span)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.CreateClassifiedRuns(SnapshotSpan span, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.Create(ITextAndAdornmentCollection elements, ITextSnapshot sourceSnapshot, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.FormattedLineSource.FormatLineInVisualBufferIfChanged(ITextSnapshotLine visualLine, IList`1 oldLines, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.FormatSnapshotLine(ITextSnapshotLine visualLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoLayoutDown(ITextSnapshotLine visualLine, Double referenceLine, Double effectiveViewportHeight, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoCompleteLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportHeight, Double& referenceLine, Double& distanceAboveReferenceLine, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.InnerPerformLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot, SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.<QueueLayout>b__258_0()
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.DispatcherOperation.InvokeImpl()
   at System.Windows.Threading.DispatcherOperation.InvokeInSecurityContext(Object state)
   at MS.Internal.CulturePreservingExecutionContext.CallbackWrapper(Object obj)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   at MS.Internal.CulturePreservingExecutionContext.Run(CulturePreservingExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Windows.Threading.DispatcherOperation.Invoke()
   at System.Windows.Threading.Dispatcher.ProcessQueue()
   at System.Windows.Threading.Dispatcher.WndProcHook(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.Dispatcher.LegacyInvokeImpl(DispatcherPriority priority, TimeSpan timeout, Delegate method, Object args, Int32 numArgs)
   at MS.Win32.HwndSubclass.SubclassWndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam)
[F#][INFO 10:01:27 PM] => FSharpColorizationService.AddSyntacticClassificationsAsync
   at System.Environment.GetStackTrace(Exception e, Boolean needFileInfo)
   at System.Environment.get_StackTrace()
   at Microsoft.VisualStudio.FSharp.Editor.Cancellation.track(String method, CancellationToken ct)
   at Microsoft.VisualStudio.FSharp.Editor.FSharpColorizationService.Microsoft-CodeAnalysis-Editor-IEditorClassificationService-AddSyntacticClassificationsAsync(Document document, TextSpan textSpan, List`1 result, CancellationToken cancellationToken)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpansForCurrentTree(IEditorClassificationService classificationService, SnapshotSpan span, Document document, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.AddClassifiedSpans(IEditorClassificationService classificationService, SnapshotSpan span, List`1 classifiedSpans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.TagComputer.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.CodeAnalysis.Editor.Implementation.Classification.SyntacticClassificationTaggerProvider.Tagger.GetTags(NormalizedSnapshotSpanCollection spans)
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<GetTagsForBuffer>d__38.MoveNext()
   at Microsoft.VisualStudio.Text.Tagging.Implementation.TagAggregator`1.<InternalGetTags>d__39.MoveNext()
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.InternalGetClassificationSpans(SnapshotSpan span, IEnumerable`1 tags)
   at Microsoft.VisualStudio.Text.Classification.Implementation.ClassifierAggregator.GetClassificationSpans(SnapshotSpan span)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.CreateClassifiedRuns(SnapshotSpan span, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.NormalizedSpanGenerator.Create(ITextAndAdornmentCollection elements, ITextSnapshot sourceSnapshot, IAccurateClassifier classifier, IClassificationFormatMap classificationFormatMap, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Formatting.Implementation.FormattedLineSource.FormatLineInVisualBufferIfChanged(ITextSnapshotLine visualLine, IList`1 oldLines, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.FormatSnapshotLine(ITextSnapshotLine visualLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoLayoutDown(ITextSnapshotLine visualLine, Double referenceLine, Double effectiveViewportHeight, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.DoCompleteLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportHeight, Double& referenceLine, Double& distanceAboveReferenceLine, Double& distanceBelowReferenceLine, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.InnerPerformLayout(SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot, SnapshotPoint anchorPosition, Double verticalDistance, ViewRelativePosition relativeTo, Double effectiveViewportWidth, Double effectiveViewportHeight, Boolean preserveViewportTop, Nullable`1 cancel)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.PerformLayout(ITextSnapshot newSnapshot, ITextSnapshot newVisualSnapshot)
   at Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.<QueueLayout>b__258_0()
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.DispatcherOperation.InvokeImpl()
   at System.Windows.Threading.DispatcherOperation.InvokeInSecurityContext(Object state)
   at MS.Internal.CulturePreservingExecutionContext.CallbackWrapper(Object obj)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   at MS.Internal.CulturePreservingExecutionContext.Run(CulturePreservingExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Windows.Threading.DispatcherOperation.Invoke()
   at System.Windows.Threading.Dispatcher.ProcessQueue()
   at System.Windows.Threading.Dispatcher.WndProcHook(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.Dispatcher.LegacyInvokeImpl(DispatcherPriority priority, TimeSpan timeout, Delegate method, Object args, Int32 numArgs)
   at MS.Win32.HwndSubclass.SubclassWndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam)