Breakpoints not cleaned up if Debug Interactive Session is stopped.

[JustinGrote]

Issue Description

If the Interactive Debugger is started, then a breakpoint is set, but then the Interactive Debugger is then stopped, the breakpoints are still present and are not synced with the breakpoint activity bar. Further runs will still trigger debug mode even if the system currently isn't in the interactive debugger.

If PSBreakpoints are cleared when the debugger stops, this should fix it. This may be a PSES issue.

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Environment Information

Visual Studio Code

Name	Version
Operating System	Windows_NT x64 10.0.19041
VSCode	1.42.0-insider
PowerShell Extension Version	2019.12.0

PowerShell Information

Name	Value
PSVersion	5.1.19041.1
PSEdition	Desktop
PSCompatibleVersions	1.0 2.0 3.0 4.0 5.0 5.1.19041.1
BuildVersion	10.0.19041.1
CLRVersion	4.0.30319.42000
WSManStackVersion	3.0
PSRemotingProtocolVersion	2.3
SerializationVersion	1.1.0.1

Visual Studio Code Extensions

Visual Studio Code Extensions(Click to Expand)

Extension	Author	Version
better-align	wwm	1.1.6
better-comments	aaron-bond	2.0.5
better-powershell-syntax-highlighting	justin-grote	0.0.2
bracket-pair-colorizer-2	CoenraadS	0.0.29
code-settings-sync	Shan	3.4.3
gc-excelviewer	GrapeCity	2.1.32
gistfs	vsls-contrib	0.0.21
git-graph	mhutchie	1.19.1
gitlens	eamodio	10.2.0
indent-rainbow	oderwat	7.4.0
markdown-all-in-one	yzhang	2.6.1
powershell-preview	ms-vscode	2019.12.0
remote-containers	ms-vscode-remote	0.95.0
remote-ssh-edit-nightly	ms-vscode-remote	2019.12.24000
remote-ssh-nightly	ms-vscode-remote	2019.12.24000
remote-wsl	ms-vscode-remote	0.41.6
todo-tree	Gruntfuggly	0.0.162
vscode-icons	vscode-icons-team	9.6.0
vscode-peacock	johnpapa	3.2.0
vscode-sort-json	richie5um2	1.18.0
vscode-zipexplorer	slevesque	0.3.1

[TylerLeonhardt]

So this is a hard one because VS Code only gives us breakpoint gutter events "while debugging". That's why the Interactive Session exists. I opened a SO question to see if there's some mechanism that we can use to support this, but I think our hands are tied, unfortunately:

This is also related PowerShell/PowerShellEditorServices#1091 but kinda the opposite ask.

[JustinGrote]

So is it not possible to just clear all the breakpoints in the PSES powershell instance on the "stop debugging" event? That will fix the problem.

EDIT: To be clear, clear the breakpoints within PSES but not remove them in VSCode. Then the next time the debugger starts it will just reassign them based on what is currently set in VSCode. Basically this is a PSES post-debug cleanup item, even if the debug ends "unexpectedly" e.g. stop is pressed in Interactive Mode.

[TylerLeonhardt]

I suppose we could do that. The question is really what the expected behavior is... and how do we want to confuse the user given the limitation of VS Code.

If we clear all the breakpoints when the debugger is stopped, a user might run a script (or command from a module) directly in the PSIC that has a breakpoint set in it (clearly looking at the editor) and expect that breakpoint to be hit and the debugger to kick in.

[JustinGrote]

That would still work though wouldn't it? It would get set at time of run. Also if you set breakpoints prior to starting a debug run in PSES, whatever is in vscode would just be additive. Seems like a hard edge case for default behavior, whereas the way it behaves now affects me every single day.

…

On Thu, Dec 19, 2019, 3:26 PM Tyler James Leonhardt < ***@***.***> wrote: I suppose we could do that. The question is really what the expected behavior is... and *how* do we want to confuse the user given the limitation of VS Code. If we clear all the breakpoints when the debugger is stopped, a user might run a script (or command from a module) directly in the PSIC that has a breakpoint set in it (clearly looking at the editor) and expect that breakpoint to be hit and the debugger to kick in. — You are receiving this because you authored the thread. Reply to this email directly, view it on GitHub <#2371?email_source=notifications&email_token=ADUNKUQUTDRNHGQSQWOIHCLQZP7JNA5CNFSM4J4CF3K2YY3PNVWWK3TUL52HS4DFVREXG43VMVBW63LNMVXHJKTDN5WW2ZLOORPWSZGOEHLMBQQ#issuecomment-567722178>, or unsubscribe <https://github.com/notifications/unsubscribe-auth/ADUNKUTUBTKUEUGYLXD57L3QZP7JNANCNFSM4J4CF3KQ> .

[JustinGrote]

Basically, my recommendation would be:

1. Add a configurable option "powershell.removeBreakpointsOnStop"
2. If configured, whenever a stop debug is triggered, send a "Get-PSBreakpoint | Remove-PSBreakpoint" to PSES.

(Sorry for the pseudo-language, I'm not great at typescript and haven't tried to delve into the actual code)