Unexpected exception while using PowerShell in Windows Terminal

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评估

难度
4/5
预计耗时
1-2 天
新手友好度
48/100
Issue 类型
缺陷
描述清晰度
基本清楚
活跃度
活跃
技术栈
csharp, powershell
领域
backend, cli

调研方向

Start by reading ReplaceCharInPlace in the exception stack and trace how Vi mode handles the reported key sequence in InputLoop. The report does not identify a reliable reproduction sequence, so first reduce the recorded keys to a minimal repro on PowerShell 7.6.6 with PSReadLine 2.4.5. Done means the repro no longer throws an IndexOutOfRangeException and existing behavior remains covered by relevant tests.

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描述

Needs-Triage :mag:
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
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: 2.4.5
PowerShell: 7.6.6
OS: Microsoft Windows 10.0.26200
BufferWidth: 103
BufferHeight: 30

Last 200 Keys:

 Escape F [ i ( Escape A ) + " Escape F [ i ( Escape f } f + a ) Enter Escape k A Shift+Spacebar & & Shift+Spacebar e c h o Shift+Spacebar $ M a t Tab Enter Escape k f " i Spacebar 8 3 2 8 Spacebar 8 2 8 1 2 Enter Ctrl+l Escape k Enter Escape k f " ; i Escape l a ^ Escape f " i $ Enter Ctrl+l Escape k Enter Escape k k Enter Escape k Enter Ctrl+l Escape k Enter Escape k f " i Spacebar Enter Escape k Enter [ r e g e Tab ] : : M a t Tab Backspace Backspace h Tab " 1 2 3 4 Spacebar 1 2 3 4 Spacebar 1 2 3 4 " , Spacebar " Backspace Escape p Escape l " ( ( [ 0 - 9 ] + ) \ s ) + " Ctrl+c Ctrl+l Ctrl+v Ctrl+c Escape k k k j Ctrl+c [ r e g Tab r e r e r e r e r e r e r e r e r e r e r e r e r e

### Exception

System.IndexOutOfRangeException: Index was outside the bounds of the array.
   at System.Text.StringBuilder.get_Chars(Int32 index)
   at Microsoft.PowerShell.PSConsoleReadLine.ReplaceCharInPlace(Nullable`1 key, Object arg)
   at Microsoft.PowerShell.PSConsoleReadLine.InputLoop()
   at Microsoft.PowerShell.PSConsoleReadLine.ReadLine(Runspace runspace, EngineIntrinsics engineIntrinsics, CancellationToken cancellationToken, Nullable`1 lastRunStatus)
Screenshot
Image

Username hidden for anonymity.

Environment data
PS Version: 7.6.6
PS HostName: ConsoleHost (Windows Terminal)
PSReadLine Version: 2.4.5
PSReadLine EditMode: Vi
OS: 10.0.26100.1 (WinBuild.160101.0800)
BufferWidth: 103
BufferHeight: 30
Steps to reproduce

I'm not exactly sure what caused this to happen. I was just playing around with PowerShell's regex matching, and then all of a sudden, this happened. Of course, I was using the Vi keybindings.

Expected behavior

No exceptions.

Actual behavior

An exception occurred all of a sudden.

主要语言
C#
星标
4.4k
派生
345
30 天内没有已合并 PR

环境准备

从这里开始

  1. 先读完整个 Issue，再读项目的贡献指南。
  2. 在 Issue 下留言说明你要接手 —— 这能避免两个人做同样的事。
  3. Fork 仓库，在一个分支上完成修改。
  4. 提交 Pull Request，并在描述里引用这个 Issue 编号。

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