GNU bug report logs - #67683
30.0.50; [PATCH] Fix 'M-.' on Emacs C sources

Previous Next

Full log

View this message in rfc822 format

From: Eli Zaretskii <eliz <at> gnu.org>
To: Manuel Giraud <manuel <at> ledu-giraud.fr>
Cc: 67683 <at> debbugs.gnu.org
Subject: bug#67683: 30.0.50; [PATCH] Fix 'M-.' on Emacs C sources
Date: Fri, 19 Jan 2024 13:48:41 +0200

> From: Manuel Giraud <manuel <at> ledu-giraud.fr>
> Cc: 67683 <at> debbugs.gnu.org
> Date: Fri, 19 Jan 2024 10:18:04 +0100
> 
> Eli Zaretskii <eliz <at> gnu.org> writes:
> 
> >> From: Manuel Giraud <manuel <at> ledu-giraud.fr>
> >> Cc: 67683 <at> debbugs.gnu.org
> >> Date: Thu, 18 Jan 2024 22:10:48 +0100
> >> 
> >> Eli Zaretskii <eliz <at> gnu.org> writes:
> >> 
> >> [...]
> >> 
> >> >> I'm not using Edebug but since I currently get "(void-function nil)"
> >> >> error I did a 'toggle-debug-on-error' and this error triggers when
> >> >> calling 'tags-included-tables' from 'tags-table-extend-computed-list'
> >> >> 
> >> >> What is really weird is that if I set myself into the TAGS buffer and
> >> >> evaluate (tags-included-tables), it works and returns a list of
> >> >> filenames.
> >> >
> >> > And if you type "C-u M-." in the TAGS buffer, then you can type a
> >> > symbol, and Xref shows its definition allright?  IOW, does M-. work
> >> > from the TAGS buffer?
> >> 
> >> No "C-u M-." does not work from the TAGS buffer with the same error.
> >
> > So then the conclusion is that something in the way
> > tags-included-tables is invoked from tags-table-extend-computed-list
> > (or its callers in the M-. scenario) breaks tags-included-tables, even
> > though invoking tags-included-tables directly works as intended,
> > right?  If so, I suggest to look up the call-stack chain and try to
> > find what is it that breaks tags-included-tables.
> 
> Thanks.  I have found the problem even though I don't what causes it.
> It came from the "lisp/TAGS" buffer: in this one, evaluating
> (tags-included-tables) returns an error.

Maybe that's a bug that we should fix.  Can you try figuring out why
the function fails in that buffer?

Previous Next

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