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Re: watching for variable assignment


From: Nicolas Richard
Subject: Re: watching for variable assignment
Date: Mon, 10 Mar 2014 11:00:27 +0100
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3.50 (gnu/linux)

Eric Abrahamsen <address@hidden> writes:

> Jambunathan K <address@hidden> writes:
>
>> Eric Abrahamsen <address@hidden> writes:
>>
>>> I'm trying to somehow trigger a message or a backtrace whenever that
>>> variable's value changes.
>>
>>
>> You are looking for a "Write Breakpoint".  I haven't done much Elisp
>> debugging.  Going by the docs, the following looks promising.
>>
>>     (info "(elisp) Global Break Condition")
>
> Hey thanks! That's a new one for me, and does indeed look promising.
> I've set edebug-global-break-condition to (eq nnimap-split-fancy nil),
> and will see what happens. It says it tests the expression at every
> "stop point". I haven't explicitly set any stop points; hopefully
> they are set automatically, since the whole point of this is that I
> don't know where to check for the assignment.

I guess it requires the relevant code to be instrumented for edebug,
otherwise edebug won't do anything.

-- 
Nico.



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