GNU bug report logs - #16274
24.3.50; Error in post-command-hook (icomplete-post-command-hook): (invalid-function ("..." ...))

Previous Next

Full log

View this message in rfc822 format

From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Drew Adams <drew.adams <at> oracle.com>
Subject: bug#16274: closed (Re: bug#16274: 24.3.50; Error in
 post-command-hook (icomplete-post-command-hook): (invalid-function ("..."
 ...)))
Date: Sat, 11 Nov 2017 15:26:02 +0000

[Message part 1 (text/plain, inline)]

Your bug report

#16274: 24.3.50; Error in post-command-hook (icomplete-post-command-hook): (invalid-function ("..." ...))

which was filed against the emacs package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 16274 <at> debbugs.gnu.org.

-- 
16274: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=16274
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

[Message part 2 (message/rfc822, inline)]

From: Stefan Monnier <monnier <at> iro.umontreal.ca>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: "Charles A. Roelli" <charles <at> aurox.ch>, 16274-done <at> debbugs.gnu.org
Subject: Re: bug#16274: 24.3.50;
 Error in post-command-hook (icomplete-post-command-hook):
 (invalid-function ("..." ...))
Date: Sat, 11 Nov 2017 10:25:43 -0500

>> All good.  Thanks to both of you for looking into this.

Thanks, installed,


        Stefan

[Message part 3 (message/rfc822, inline)]

From: Drew Adams <drew.adams <at> oracle.com>
To: bug-gnu-emacs <at> gnu.org
Subject: 24.3.50; Error in post-command-hook (icomplete-post-command-hook):
 (invalid-function ("..." ...))
Date: Fri, 27 Dec 2013 21:52:13 -0800 (PST)

I believe I reported long ago (in the Emacs 24 cycle, IIRC) that I
occasionally get this error.  This is still the case.  The value it
complains about not being a function is a list of completions (strings),
which each have text property `face' with values
`completions-common-part' and `(completions-first-difference)' (a list).

I haven't been able to see where in the code this error could occur.  I
have noticed it being raised with my setup (icomplete+.el).  Dunno
whether it occurs also in emacs -Q.

FWIW, my code does not even reference `icomplete-post-command-hook'
explicitly, and it does not use those particular faces explicitly.

I also have not been able to find the code that issues that error
message.  Perhaps it is in some C code - the latest C code I have is for
Emacs 24.3.

A wild guess about this is that the list of completions is the cached
value in variable `completion-all-sorted-completions'.  And perhaps in
code like this:

(completion-try-completion name comps nil (length name) md)

Maybe COMPS here (which is the value of
`completion-all-sorted-completions') is somehow expected to be a
function?  Does this ring a bell for anyone?  Just poking in the dark.
Dunno how to debug this better.  The error message does not stop
execution, being on `post-command-hook'.  It just flashes ephemerally
and then I can find it in `*Messages*'.

And, again, it seems that this happens just once in a while.

If this info does not help at all, feel free to close the bug.  Or leave
it open, for future reference.  It has been there for a while now.


In GNU Emacs 24.3.50.1 (i686-pc-mingw32)
 of 2013-12-27 on ODIEONE
Bzr revision: 115778 rgm <at> gnu.org-20131228000456-1797o8z6veuyozs0
Windowing system distributor `Microsoft Corp.', version 6.1.7601
Configured using:
 `configure --prefix=/c/Devel/emacs/binary --enable-checking=yes,glyphs
 'CFLAGS=-O0 -g3' LDFLAGS=-Lc:/Devel/emacs/lib
 CPPFLAGS=-Ic:/Devel/emacs/include'

Previous Next

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