Re: Problem finding the cause of a random crash in Document::NotifyModified(DocModification mh)

Neil, 
thank you very much for the help and tips. 
I will apply them and see if I can solve the mystery. 

Thank you
Eren

Neil Hodgson schrieb am Donnerstag, 6. Juni 2024 um 13:01:40 UTC+2:

> ekopa…:
>
> > <Document_NotifModified.PNG>
>
> Its pretty strange for watcher.watcher to be 0xFF… as its a pointer and 
> should be set up in an AddWatcher call with a pointer to a valid Watcher. 
> Check the implementation code for AddWatcher calls and trace them. 0xFF.. 
> could be uninitialized memory but it shouldn't be occurring here.
>
> > This happened after typing "self ", the word self with a space, in an 
> empty python buffer.
> > <ScintillaWin_AddWString.PNG>
> > Is it normal that even though wsv[0] is 32 (space), the docChar size is 
> 0?
>
> More likely that the debugger is reporting poorly.
>
> It's possible there is some optimization occurring or different pieces of 
> code are being compiled with different flags. Try cleaning and recompiling.
>
> > To be 100% clear, this ONLY happens when Notepad++ loads my plugin, I've 
> never seen it occur without my plugin, but nothing in the stack trace 
> points to a source from my plugin.
>
> There are two calls to AddWString inside KeyMessage, with WM_CHAR or 
> WM_UNICHAR and that should be checked.
>
> > And all my plugin is doing is calling searchintarget and using 
> indicators to flag matches.
>
> Its easy to reuse the target in unexpected ways in reentrant code so see 
> if your code is being called with other uses of the target in up or 
> down-stack calls.
>
> Neil
>
>

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