From: "Basil L. Contovounesios" <contovob@tcd.ie>
To: Lars Ingebrigtsen <larsi@gnus.org>
Cc: Michael Albinus <michael.albinus@gmx.de>,
Stefan Monnier <monnier@iro.umontreal.ca>,
emacs-devel@gnu.org
Subject: Re: master 695f679: Remove ; ; ; ###tramp-autoload cookie from Tramp defcustoms (Bug#47063)
Date: Wed, 24 Mar 2021 22:19:19 +0000 [thread overview]
Message-ID: <87tup0kxeg.fsf@tcd.ie> (raw)
In-Reply-To: <jwvv99t237f.fsf-monnier+emacs@gnu.org> (Stefan Monnier's message of "Sun, 14 Mar 2021 10:57:32 -0400")
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Stefan Monnier <monnier@iro.umontreal.ca> writes:
>> Like so? Or do we want the safety net higher up, e.g. in
>> read-extended-command or its callers?
>
> LGTM, but I think Lars would know better,
Lars, any thoughts on how best to protect M-x from errors in
completion-predicate? Is the following okay?
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From 41cbd533d7fb770ef3ce8a8a88180f9e0e1ecc54 Mon Sep 17 00:00:00 2001
From: "Basil L. Contovounesios" <contovob@tcd.ie>
Date: Sun, 14 Mar 2021 12:52:31 +0000
Subject: [PATCH] Demote completion-predicate errors
For discussion, see the following thread:
https://lists.gnu.org/r/emacs-devel/2021-03/msg00682.html
* lisp/simple.el (command-completion-default-include-p): Demote
errors when calling completion-predicate so M-x doesn't break.
---
lisp/simple.el | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/lisp/simple.el b/lisp/simple.el
index 98fccf4ff2..295c01e21f 100644
--- a/lisp/simple.el
+++ b/lisp/simple.el
@@ -2025,7 +2025,12 @@ command-completion-default-include-p
BUFFER."
(if (get symbol 'completion-predicate)
;; An explicit completion predicate takes precedence.
- (funcall (get symbol 'completion-predicate) symbol buffer)
+ ;; Demote any errors so M-x continues to work.
+ (condition-case-unless-debug err
+ (funcall (get symbol 'completion-predicate) symbol buffer)
+ (error
+ (message "command-completion-default-include-p: %s: %S" symbol err)
+ nil))
(or (null (command-modes symbol))
(command-completion-using-modes-p symbol buffer))))
--
2.30.1
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Thanks,
--
Basil
next prev parent reply other threads:[~2021-03-24 22:19 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20210313133546.6042.78482@vcs0.savannah.gnu.org>
[not found] ` <20210313133547.AA06C20B2E@vcs0.savannah.gnu.org>
2021-03-13 22:27 ` master 695f679: Remove ; ; ; ###tramp-autoload cookie from Tramp defcustoms (Bug#47063) Basil L. Contovounesios
2021-03-13 23:20 ` Stefan Monnier
2021-03-14 8:39 ` Michael Albinus
2021-03-14 12:59 ` Basil L. Contovounesios
2021-03-14 14:57 ` Stefan Monnier
2021-03-24 22:19 ` Basil L. Contovounesios [this message]
2021-03-25 8:25 ` Michael Albinus
2021-03-26 15:18 ` Basil L. Contovounesios
2021-03-26 15:24 ` Michael Albinus
2021-03-25 9:12 ` Lars Ingebrigtsen
2021-03-25 14:05 ` Stefan Monnier
2021-03-26 11:28 ` Lars Ingebrigtsen
2021-03-26 13:39 ` Stefan Monnier
2021-03-26 14:42 ` Michael Albinus
2021-03-26 18:39 ` Basil L. Contovounesios
2021-03-26 15:36 ` Basil L. Contovounesios
2021-03-26 16:37 ` Stefan Monnier
2021-03-26 18:18 ` Basil L. Contovounesios
2021-03-26 22:12 ` Lars Ingebrigtsen
2021-03-26 15:57 ` Basil L. Contovounesios
2021-03-26 15:33 ` Basil L. Contovounesios
2021-03-26 16:32 ` Stefan Monnier
2021-03-26 18:18 ` Basil L. Contovounesios
2021-03-26 15:27 ` Basil L. Contovounesios
2021-03-26 22:11 ` Lars Ingebrigtsen
2021-03-27 1:18 ` Basil L. Contovounesios
2021-03-27 12:33 ` Lars Ingebrigtsen
2021-03-27 20:29 ` Basil L. Contovounesios
2021-03-14 14:57 ` Stefan Monnier
2021-03-14 18:42 ` Michael Albinus
2021-03-14 20:30 ` Stefan Monnier
2021-03-15 9:00 ` Michael Albinus
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