From: "Lennart Borgman (gmail)" <lennart.borgman@gmail.com>
To: Stefan Monnier <monnier@IRO.UMontreal.CA>
Cc: rms@gnu.org, emacs-devel@gnu.org
Subject: Re: Specifying mode in file variables trouble
Date: Tue, 23 Sep 2008 19:22:50 +0200 [thread overview]
Message-ID: <48D925EA.3030703@gmail.com> (raw)
In-Reply-To: <jwvfxnqj1ho.fsf-monnier+emacs@gnu.org>
Stefan Monnier wrote:
>> set to nil (see the sources for `run-mode-hooks'). I have no idea what
>> delayed-mode-hooks is used for so I do not know if setting
>
> It is used so that the parent mode hook is run at the end of the (child)
> major mode, so that the user's hook functions (placed on the parent
> hook) can take into account the variable values set by the child.
Thanks. I might be beginning to understand. From what you wrote above
and the somewhat scarse documentation I draw the conclusion that in
normal case the child major modes mode hook is run before the parent
major modes mode hook.
So the order of running the hooks is
childs local mode hook
which also include running childs global hook (at the `t')
parents' mode hooks
If this is correct then I think that adding the call to
mumamo-restore-most-buffer-locals first in the childs local mode hook
would be the best.
The values thus restored can then be changed by things coming later in
the mode hooks.
Since it looks like delay-mode-hook is something that we should not
touch in case we are not the macro delay-mode-hook this is nothing we
have to care about.
So this is what I have got now:
;; Save local variables before switching major
(mumamo-save-most-buffer-locals major-mode)
;; Restore local variables after switching, but do it in the mode
;; hook:
(let ((mode-hook (intern-soft (concat (symbol-name major) "-hook")))
(restore-fun (lambda ()
(mumamo-restore-most-buffer-locals major))))
(when mode-hook
;; Put first in local hook to run it first:
(add-hook mode-hook restore-fun nil t))
(funcall major) ;; <------- This is the major mode change
(if (not mode-hook)
(mumamo-restore-most-buffer-locals major)
(remove-hook mode-hook restore-fun t)))
next prev parent reply other threads:[~2008-09-23 17:22 UTC|newest]
Thread overview: 68+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-09-20 0:44 Specifying mode in file variables trouble Lennart Borgman (gmail)
2008-09-20 0:48 ` Lennart Borgman (gmail)
2008-09-20 0:59 ` Miles Bader
2008-09-20 1:06 ` Lennart Borgman (gmail)
2008-09-21 6:32 ` Richard M. Stallman
2008-09-21 12:33 ` Lennart Borgman (gmail)
2008-09-21 23:34 ` Richard M. Stallman
2008-09-22 0:38 ` Lennart Borgman (gmail)
2008-09-22 4:39 ` Richard M. Stallman
2008-09-22 13:14 ` Lennart Borgman (gmail)
2008-09-22 14:12 ` Stefan Monnier
2008-09-22 14:26 ` Lennart Borgman (gmail)
2008-09-23 4:40 ` Richard M. Stallman
2008-09-23 9:29 ` Lennart Borgman (gmail)
2008-09-23 19:47 ` Richard M. Stallman
2008-09-22 23:11 ` Lennart Borgman (gmail)
2008-09-23 4:40 ` Richard M. Stallman
2008-09-23 9:47 ` Lennart Borgman (gmail)
2008-09-23 19:47 ` Richard M. Stallman
2008-09-23 20:43 ` Lennart Borgman (gmail)
2008-09-24 13:47 ` Richard M. Stallman
2008-09-24 13:47 ` Richard M. Stallman
2008-09-24 17:21 ` Lennart Borgman (gmail)
2008-09-25 5:49 ` Richard M. Stallman
2008-09-25 6:28 ` tomas
2008-09-25 6:41 ` Paul R
2008-09-25 7:55 ` tomas
2008-09-25 8:35 ` Paul R
2008-09-25 16:42 ` Lennart Borgman
2008-09-27 4:39 ` Richard M. Stallman
2008-10-21 19:16 ` Lennart Borgman (gmail)
2008-10-22 5:21 ` tomas
2008-10-22 6:21 ` Richard M. Stallman
2008-09-23 19:47 ` Richard M. Stallman
2008-09-23 20:37 ` Lennart Borgman (gmail)
2008-09-24 13:47 ` Richard M. Stallman
2008-09-24 16:23 ` Lennart Borgman (gmail)
2008-09-25 5:50 ` Richard M. Stallman
2008-09-24 23:09 ` Lennart Borgman (gmail)
2008-09-23 4:40 ` Richard M. Stallman
2008-09-23 9:57 ` Lennart Borgman (gmail)
2008-09-23 16:03 ` Stefan Monnier
2008-09-23 17:22 ` Lennart Borgman (gmail) [this message]
2008-09-23 20:33 ` Stefan Monnier
2008-09-23 20:48 ` Lennart Borgman (gmail)
2008-09-23 21:27 ` Stefan Monnier
2008-09-23 21:30 ` Lennart Borgman (gmail)
2008-09-24 20:57 ` Richard M. Stallman
2008-09-24 21:29 ` Lennart Borgman (gmail)
2008-09-25 17:46 ` Richard M. Stallman
2008-09-25 21:34 ` Lennart Borgman (gmail)
2008-09-26 4:45 ` Richard M. Stallman
2008-09-26 4:45 ` Richard M. Stallman
2008-09-25 17:46 ` Selecting mumamo modes Richard M. Stallman
2008-09-25 21:12 ` Lennart Borgman (gmail)
2008-09-26 4:45 ` Richard M. Stallman
2008-10-21 19:20 ` Lennart Borgman (gmail)
2008-09-23 19:47 ` Specifying mode in file variables trouble Richard M. Stallman
2008-09-23 20:26 ` Lennart Borgman (gmail)
2008-09-24 20:56 ` Richard M. Stallman
2008-09-24 21:21 ` Lennart Borgman (gmail)
2008-09-25 17:46 ` Richard M. Stallman
2008-09-25 21:36 ` Lennart Borgman (gmail)
2008-09-26 4:45 ` Richard M. Stallman
2008-09-24 20:57 ` Richard M. Stallman
2008-09-24 21:45 ` Lennart Borgman (gmail)
2008-09-20 19:03 ` Stefan Monnier
2008-09-20 23:34 ` Lennart Borgman (gmail)
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