From: Lars Ingebrigtsen <larsi@gnus.org>
To: Leo Liu <sdl.web@gmail.com>
Cc: 19066@debbugs.gnu.org, Stefan Monnier <monnier@iro.umontreal.ca>
Subject: bug#19066: 25.0.50; nadvice and interactive-form
Date: Fri, 28 May 2021 04:11:13 +0200 [thread overview]
Message-ID: <87r1hry5dq.fsf@gnus.org> (raw)
In-Reply-To: <87y4rbtqh6.fsf@gmail.com> (Leo Liu's message of "Sun, 16 Nov 2014 18:00:21 +0800")
Leo Liu <sdl.web@gmail.com> writes:
> 1. Start emacs and load a file with these lines:
>
> (advice-add 'just-one-space :before #'change-interactive-form)
> (defun change-interactive-form (&optional x y)
> (interactive (list 1 1))
> (princ (list x y)))
>
> M-x just-one-space prints (1 nil)
>
> 2. Start emacs and load a file with these lines:
>
> (defun change-interactive-form (&optional x y)
> (interactive (list 1 1))
> (princ (list x y)))
> (advice-add 'just-one-space :before #'change-interactive-form)
>
> M-x just-one-space errs: apply: Wrong number of arguments: (0 . 1), 2
So whether this works depends on whether `change-interactive-form' is
defined or not when `advice-add' is run? (The only difference here is
the order.)
Perhaps Stefan has some insights here; added to the CCs.
--
(domestic pets only, the antidote for overdose, milk.)
bloggy blog: http://lars.ingebrigtsen.no
next prev parent reply other threads:[~2021-05-28 2:11 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-11-16 10:00 bug#19066: 25.0.50; nadvice and interactive-form Leo Liu
2021-05-28 2:11 ` Lars Ingebrigtsen [this message]
2021-05-30 17:26 ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
2021-05-31 5:43 ` Lars Ingebrigtsen
2021-05-31 12:49 ` Stefan Monnier via Bug reports for GNU Emacs, the Swiss army knife of text editors
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