From: charles@aurox.ch (Charles A. Roelli)
To: Stefan Monnier <monnier@iro.umontreal.ca>
Cc: 16274@debbugs.gnu.org
Subject: bug#16274: 24.3.50; Error in post-command-hook (icomplete-post-command-hook): (invalid-function ("..." ...))
Date: Sun, 22 Oct 2017 17:06:35 +0200 [thread overview]
Message-ID: <m2bmkzb4sk.fsf@aurox.ch> (raw)
In-Reply-To: <jwv1u0opdgg.fsf-monnier+emacsbugs@gnu.org> (message from Stefan Monnier on Fri, 03 Jan 2014 23:51:48 -0500)
> From: Stefan Monnier <monnier@iro.umontreal.ca>
> Date: Fri, 03 Jan 2014 23:51:48 -0500
>
> > So far, my best guess is still that in
> > (completion-try-completion name comps nil (length name) md)
> > the list COMPS is for some reason being treated as a function (the
> > second argument can of course be either).
>
> Oh, you mean that the error could come from the fact that `md' goes with
> `candidates', so some code might assume that the completion table is
> a function based on the `md' data, whereas we passed `comps' which is
> a list of strings?
>
> Hmm... that sounds plausible.
This seems to be the mistake. If you pass nil instead of `md' (as in
the patch below), then there's no more problem.
diff --git a/lisp/icomplete.el b/lisp/icomplete.el
index 038f58f..38be657 100644
--- a/lisp/icomplete.el
+++ b/lisp/icomplete.el
@@ -395,7 +395,7 @@ icomplete-completions
;; If the `comps' are 0-based, the result should be
;; the same with `comps'.
(completion-try-completion
- name comps nil (length name) md)))
+ name comps nil (length name) nil)))
(most (if (consp most-try) (car most-try)
(if most-try (car comps) "")))
;; Compare name and most, so we can determine if name is
Alternatively, this part of `completion--nth-completion' could be
updated to respond to `completio--unquote-requote' in the completion
metadata when `table' is not a function:
(when (completion-metadata-get metadata 'completion--unquote-requote)
(cl-assert (functionp table))
(let ((new (funcall table string point 'completion--unquote)))
(No idea if that would make sense.)
I was using this recipe for testing:
> Date: Fri, 30 Jan 2015 14:25:04 +0000
> From: Jeremy Moore <jmoore@ieee.org>
>
> Hi folks,
>
> I get a similar error by following this sequence in 24.4.1:
> 1. emacs -Q
> 2. M-x icomplete-mode
> 3. M-x set-variable icomplete-show-matches-on-no-input t
> 4. C-x C-f C-a C-k
>
> Version and settings are below.
>
> Regards,
> Jeremy
>
> In GNU Emacs 24.4.1 (i686-pc-mingw32)
> of 2014-10-24 on LEG570
> Windowing system distributor `Microsoft Corp.', version 6.1.7601
> Configured using:
> `configure --prefix=/c/usr'
next prev parent reply other threads:[~2017-10-22 15:06 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-12-28 5:52 bug#16274: 24.3.50; Error in post-command-hook (icomplete-post-command-hook): (invalid-function ("..." ...)) Drew Adams
2014-01-03 4:23 ` Stefan Monnier
2014-01-03 16:20 ` Drew Adams
2014-01-03 22:14 ` Stefan Monnier
2014-01-03 22:52 ` Drew Adams
2014-01-04 4:51 ` Stefan Monnier
2014-01-04 7:03 ` Drew Adams
2014-01-04 15:45 ` Drew Adams
2014-02-10 3:53 ` Lars Ingebrigtsen
2014-02-10 16:34 ` Stefan Monnier
2014-02-10 20:55 ` Drew Adams
2014-02-20 5:09 ` Drew Adams
2014-07-19 21:51 ` Drew Adams
2015-12-26 3:40 ` Drew Adams
2017-02-03 15:49 ` Drew Adams
2017-10-22 15:06 ` Charles A. Roelli [this message]
2017-11-01 20:02 ` Charles A. Roelli
2017-11-04 8:56 ` Eli Zaretskii
2017-11-07 4:06 ` Stefan Monnier
2017-11-11 10:09 ` Eli Zaretskii
2017-11-11 10:31 ` Charles A. Roelli
2017-11-11 10:41 ` Eli Zaretskii
2017-11-11 15:25 ` Stefan Monnier
2015-01-30 14:25 ` bug#16274: ; One method to produce an error in icomplete-post-command-hook Jeremy Moore
2015-08-11 19:02 ` bug#16274: Can still reproduce in Emacs 24.5.2/x86_64-unknown-linux-gnu Michael Hoffman
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