From: "Jan Djärv" <jan.h.d@swipnet.se>
To: Alan Mackenzie <acm@muc.de>
Cc: 3808@emacsbugs.donarmstrong.com, emacs-pretest-bug@gnu.org
Subject: bug#3808: 23.1.50; CC-mode: Impossible to set c-cleanup-list
Date: Sun, 12 Jul 2009 12:33:01 +0200 [thread overview]
Message-ID: <4A59BBDD.4080905@swipnet.se> (raw)
In-Reply-To: <20090711113638.GA1088@muc.de>
Alan Mackenzie skrev:
> Hi, Jan!
>
> On Fri, Jul 10, 2009 at 01:14:45PM +0200, Jan D. wrote:
>> I customize c-cleanup-list. This is then the full contents of my
>> .emacs:
>> (custom-set-variables
>> ;; custom-set-variables was added by Custom.
>> ;; If you edit it by hand, you could mess it up, so be careful.
>> ;; Your init file should contain only one such instance.
>> ;; If there is more than one, they won't work right.
>> '(c-cleanup-list (quote (scope-operator space-before-funcall))))
>> (custom-set-faces
>> ;; custom-set-faces was added by Custom.
>> ;; If you edit it by hand, you could mess it up, so be careful.
>> ;; Your init file should contain only one such instance.
>> ;; If there is more than one, they won't work right.
>> )
>
>> I start emacs with --no-site-file, open a .c-file.
>
> Just done this, in a new userid, having copied your .emacs. To be sure,
> I tried on a freshly updated CVS Emacs.
>
>> Check the value of c-cleanup-list:
>
>> c-cleanup-list is a variable defined in `cc-vars.el'.
>> Its value is (scope-operator)
>
> I can't reproduce the problem; I get:
>
> Its value is
> (scope-operator space-before-funcall)
>
> , just as desired.
>
>> Local in buffer xftfont.c; global value is
>> (scope-operator space-before-funcall)
>
> Well, that looks OK. :-)
>
> Might it be that there's a local variables section at the end of
> xftfont.c which is overriding c-cleanup-list?
>
No, but since this is in the emacs source tree, there is a .dir-locals.el
at the root of the source tree, and that comes in effect. So it is not that
it doesn't work, it is just this situation (setting c-file-style as a file
local variable has the same effect).
So what happens is:
c-mode sets style to GNU.
My customization is applied.
.dir-locals.el sets style to GNU, thus erasing my customization.
>> And indeed, space-before-funcall is not in effect. It seems impossible to
>> set this variable. I also tried setting c-old-style-variable-behavior to t,
>> but it made no difference.
>
>> The manual needs to explain how to set variables in a manner that works,
>> an example with lisp to add to .emacs would be nice also.
>
> "The manual" being the CC Mode manual, of course. In the appendix
> "Sample .emacs File", there's an example of c-cleanup-list being set in a
> style. The instructions on how to set "style variables" in general (of
> which c-cleanup-list is one) are on the page "Configuration Basics" and
> its sup-page "Style Variables".
>
> So I think the information is there, but perhaps it's not easy enough to
> find. Could you, perhaps, reconstruct how you went about looking for the
> info? Maybe the manual needs an extra hint or two somewhere. Thanks!
>
The situation above, i.e. how to preserve my customization when .dir-locals.el
or file variables are in effect is not described.
I tried the mode hook, it didn't work either. Is there a c-set-style hook?
Jan D.
next prev parent reply other threads:[~2009-07-12 10:33 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-07-10 11:14 bug#3808: 23.1.50; CC-mode: Impossible to set c-cleanup-list Jan D.
2009-07-11 11:36 ` Alan Mackenzie
2009-07-12 10:33 ` Jan Djärv [this message]
2009-07-12 14:06 ` Alan Mackenzie
2009-07-12 15:21 ` Jan Djärv
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