GNU bug report logs - #18154
24.4.50; eval-buffer ignores debug-on-error sometimes

Previous Next

Full log

View this message in rfc822 format

From: Helmut Eller <eller.helmut <at> gmail.com>
To: Stefan Monnier <monnier <at> iro.umontreal.ca>
Cc: 18154 <at> debbugs.gnu.org
Subject: bug#18154: 24.4.50; eval-buffer ignores debug-on-error sometimes
Date: Thu, 07 Aug 2014 08:44:32 +0200

On Wed, Aug 06 2014, Stefan Monnier wrote:

>> only prints this message: 
>
>>   Eager macro-expansion failure: (wrong-number-of-arguments (2 . 2) 0)
>
>> This is not what I expect; Emacs should enter the debugger instead.
>
> The eager-macroexpansion is not indispensable (so far), so any errors
> that happen during it are demoted to mere warnings (like the line you
> quote above).

I see, but the message "Eager macro-expansion failure" doesn't sound
like a warning to me.  Maybe use the word "warning" somewhere to avoid
confusion.

> Hence debug-on-error doesn't cause you to get
> a backtrace.  You'd need to use debug-on-signal for that.

The message contains no line number or any other hint where the source
of the problem is; debug-on-error is no help either.  Maybe it would be
better to get rid of the message entirely.

Helmut

Previous Next

GNU bug tracking system
Copyright (C) 1999 Darren O. Benham, 1997,2003 nCipher Corporation Ltd, 1994-97 Ian Jackson.