EncoderFallbackException: Unable to translate Unicode character
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评估
调研方向
Start with the PSConsoleReadLine.WriteHistoryRange and IncrementalHistoryWrite paths shown in the exception stack trace, then reproduce the paste, cursor movement, deletion, and Enter sequence on Windows. Done means the Unicode input is handled without EncoderFallbackException and the terminal shows the expected text after deletion.
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描述
Prerequisites
- Write a descriptive title.
- Make sure you are able to repro it on the latest released version
- Search the existing issues, especially the pinned issues.
Exception report
PS C:\Users\x> ✓ ✔ �
Oops, something went wrong.
Please report this bug with ALL the details below, including both the 'Environment' and 'Exception' sections.
Please report on GitHub: https://github.com/PowerShell/PSReadLine/issues/new?template=Bug_Report.yaml
Thank you!
### Environment
PSReadLine: 2.3.6+d2e770f93b7a53d8660a6402eb29d1ae1c35e767
PowerShell: 7.5.4
OS: Microsoft Windows 10.0.26200
BufferWidth: 378
BufferHeight: 70
Last 37 Keys:
✓ Spacebar ✔ Spacebar � � LeftArrow End Delete RightArrow LeftArrow Delete Enter
Ctrl+Backspace Backspace Backspace Backspace Ctrl+Backspace Ctrl+Backspace Ctrl+Backspace Ctrl+Backspace RightArrow RightArrow Backspace c l s Enter
✓ Spacebar ✔ Spacebar � � LeftArrow Delete Enter
### Exception
System.Text.EncoderFallbackException: Unable to translate Unicode character \\uD83D at index 4 to specified code page.
at System.Text.EncoderExceptionFallbackBuffer.Fallback(Char charUnknown, Int32 index)
at System.Text.Encoding.GetBytesWithFallback(ReadOnlySpan`1 chars, Int32 originalCharsLength, Span`1 bytes, Int32 originalBytesLength, EncoderNLS encoder, Boolean throwForDestinationOverflow)
at System.Text.Encoding.GetBytesWithFallback(Char* pOriginalChars, Int32 originalCharCount, Byte* pOriginalBytes, Int32 originalByteCount, Int32 charsConsumedSoFar, Int32 bytesWrittenSoFar, EncoderNLS encoder)
at System.IO.StreamWriter.Flush(Boolean flushStream, Boolean flushEncoder)
at System.IO.StreamWriter.Dispose(Boolean disposing)
at System.IO.TextWriter.Dispose()
at Microsoft.PowerShell.PSConsoleReadLine.<>c__DisplayClass103_0.<WriteHistoryRange>b__0()
at Microsoft.PowerShell.PSConsoleReadLine.<>c__DisplayClass103_0.<WriteHistoryRange>b__0()
at Microsoft.PowerShell.PSConsoleReadLine.WithHistoryFileMutexDo(Int32 timeout, Action action)
at Microsoft.PowerShell.PSConsoleReadLine.WriteHistoryRange(Int32 start, Int32 end, Boolean overwritten)
at Microsoft.PowerShell.PSConsoleReadLine.IncrementalHistoryWrite()
at Microsoft.PowerShell.PSConsoleReadLine.MaybeAddToHistory(String result, List`1 edits, Int32 undoEditIndex, Boolean fromDifferentSession, Boolean fromInitialRead)
at Microsoft.PowerShell.PSConsoleReadLine.InputLoop()
at Microsoft.PowerShell.PSConsoleReadLine.ReadLine(Runspace runspace, EngineIntrinsics engineIntrinsics, CancellationToken cancellationToken, Nullable`1 lastRunStatus)
PS C:\Users\x> ✓ ✔ �
Screenshot
Pasting:
PS C:\Users\x> ✓ ✔ 🗸
Actually pastes:
PS C:\Users\x> ✓ ✔ 🗸�
So performing the above mentioned steps will result in the given error.
Visual Example of input:
PS C:\Users\x> ✓ ✔ 🗸|�
Environment data
PS Version: 7.5.4
PS HostName: ConsoleHost (Windows Terminal)
PSReadLine Version: 2.3.6
PSReadLine EditMode: Windows
OS: 10.0.26100.1 (WinBuild.160101.0800)
BufferWidth: 340
BufferHeight: 67
Steps to reproduce
Pasting:
PS C:\Users\x> ✓ ✔ 🗸
Actually pastes:
PS C:\Users\x> ✓ ✔ 🗸�
So performing the above mentioned steps will result in the given error.
Visual Example of input:
Paste:
Press [Left arrow key]:
Press [delete]:
Press [enter]:
Expected behavior
Terminal should show:
PS C:\Users\x> ✓ ✔ 🗸
PS C:\Users\x> ✓ ✔ -> Where the last chracter is deleted
Actual behavior
Terminal shows:
PS C:\Users\x> ✓ ✔ 🗸\
PS C:\Users\x> ✓ ✔ �� -> Where the last chracter is deleted
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