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Folding crash

See original GitHub issue

To reproduce, simply open the xml example and put <!-- in front of one of the nodes, then collapse it.

Unhandled exception. System.ArgumentOutOfRangeException: Specified argument was out of the range of valid values.
   at Avalonia.Media.TextFormatting.Unicode.Codepoint.ReadAt(ReadOnlySlice`1 text, Int32 index, Int32& count) in /_/src/Avalonia.Base/Media/TextFormatting/Unicode/Codepoint.cs:line 170
   at Avalonia.Media.TextFormatting.Unicode.LineBreakEnumerator.NextCharClass() in /_/src/Avalonia.Base/Media/TextFormatting/Unicode/LineBreakEnumerator.cs:line 295
   at Avalonia.Media.TextFormatting.Unicode.LineBreakEnumerator.MoveNext() in /_/src/Avalonia.Base/Media/TextFormatting/Unicode/LineBreakEnumerator.cs:line 57
   at Avalonia.Media.TextFormatting.TextFormatterImpl.TryGetLineBreak(TextRun textRun, LineBreak& lineBreak) in /_/src/Avalonia.Base/Media/TextFormatting/TextFormatterImpl.cs:line 454
   at Avalonia.Media.TextFormatting.TextFormatterImpl.FetchTextRuns(ITextSource textSource, Int32 firstTextSourceIndex, TextEndOfLine& endOfLine, Int32& textSourceLength) in /_/src/Avalonia.Base/Media/TextFormatting/TextFormatterImpl.cs:line 407
   at Avalonia.Media.TextFormatting.TextFormatterImpl.FormatLine(ITextSource textSource, Int32 firstTextSourceIndex, Double paragraphWidth, TextParagraphProperties paragraphProperties, TextLineBreak previousLineBreak) in /_/src/Avalonia.Base/Media/TextFormatting/TextFormatterImpl.cs:line 62
   at AvaloniaEdit.Rendering.TextView.BuildVisualLine(DocumentLine documentLine, TextRunProperties globalTextRunProperties, VisualLineTextParagraphProperties paragraphProperties, IReadOnlyList`1 elementGeneratorsArray, IReadOnlyList`1 lineTransformersArray, Size availableSize) in /home/hendrikm/RiderProjects/AvaloniaEdit/src/AvaloniaEdit/Rendering/TextView.cs:line 1092
   at AvaloniaEdit.Rendering.TextView.CreateAndMeasureVisualLines(Size availableSize) in /home/hendrikm/RiderProjects/AvaloniaEdit/src/AvaloniaEdit/Rendering/TextView.cs:line 976
   at AvaloniaEdit.Rendering.TextView.MeasureOverride(Size availableSize) in /home/hendrikm/RiderProjects/AvaloniaEdit/src/AvaloniaEdit/Rendering/TextView.cs:line 909
   at Avalonia.Layout.Layoutable.MeasureCore(Size availableSize) in /_/src/Avalonia.Base/Layout/Layoutable.cs:line 520
   at Avalonia.Layout.Layoutable.Measure(Size availableSize) in /_/src/Avalonia.Base/Layout/Layoutable.cs:line 385
   at Avalonia.Layout.LayoutManager.Measure(ILayoutable control) in /_/src/Avalonia.Base/Layout/LayoutManager.cs:line 274
   at Avalonia.Layout.LayoutManager.ExecuteMeasurePass() in /_/src/Avalonia.Base/Layout/LayoutManager.cs:line 250
   at Avalonia.Layout.LayoutManager.InnerLayoutPass() in /_/src/Avalonia.Base/Layout/LayoutManager.cs:line 232
   at Avalonia.Layout.LayoutManager.ExecuteLayoutPass() in /_/src/Avalonia.Base/Layout/LayoutManager.cs:line 145
   at Avalonia.Threading.JobRunner.RunJobs(Nullable`1 priority) in /_/src/Avalonia.Base/Threading/JobRunner.cs:line 38
   at Avalonia.X11.X11PlatformThreading.HandleX11(CancellationToken cancellationToken) in /_/src/Avalonia.X11/X11PlatformThreading.cs:line 169
   at Avalonia.X11.X11PlatformThreading.RunLoop(CancellationToken cancellationToken) in /_/src/Avalonia.X11/X11PlatformThreading.cs:line 245
   at Avalonia.Threading.Dispatcher.MainLoop(CancellationToken cancellationToken) in /_/src/Avalonia.Base/Threading/Dispatcher.cs:line 61
   at Avalonia.Controls.ApplicationLifetimes.ClassicDesktopStyleApplicationLifetime.Start(String[] args) in /_/src/Avalonia.Controls/ApplicationLifetimes/ClassicDesktopStyleApplicationLifetime.cs:line 120
   at Avalonia.ClassicDesktopStyleApplicationLifetimeExtensions.StartWithClassicDesktopLifetime[T](T builder, String[] args, ShutdownMode shutdownMode) in /_/src/Avalonia.Controls/ApplicationLifetimes/ClassicDesktopStyleApplicationLifetime.cs:line 209
   at AvaloniaEdit.Demo.Program.Main(String[] args) in /home/hendrikm/RiderProjects/AvaloniaEdit/src/AvaloniaEdit.Demo/Program.cs:line 13

Issue Analytics

State:
Created a year ago
Comments:7 (1 by maintainers)

Top GitHub Comments

1reaction

Gillibaldcommented, Oct 13, 2022

Let me verify this.

Update: I can repro it

0reactions

danipencommented, Oct 14, 2022

@Numpsy @HendrikMennen could you verify if #273 fixes the issue? Thanks!

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