From: Kevin Rodgers <kevin.d.rodgers@gmail.com>
To: emacs-devel@gnu.org
Subject: Re: new buffer - should its mode reflect its name when the name matches auto-mode-alist?
Date: Wed, 23 Sep 2009 20:31:45 -0600 [thread overview]
Message-ID: <h9elm9$dk6$1@ger.gmane.org> (raw)
In-Reply-To: <230CB35D6D9A419EB943F0A276A78B72@us.oracle.com>
Drew Adams wrote:
>>> Haven't thought about this before, but I wonder if the mode
>>> should respect auto-mode-alist when you create a new buffer?
>>> There's no doubt a good reason or
>>> two why we don't do this - just wondering.
>>>
>>> E.g. `C-x b foo.el', where there is no existing buffer
>>> foo.el. The mode is
>>> Fundamental; should it be Emacs-Lisp instead?
>>>
>>> (I realize that a new buffer need not be intended to be
>>> saved as a file.)
>>>
>> As an end-user and not having contributed anything to Emacs myself, I
>> would expect the buffer to "respect" auto-mode-alist, i.e. set the
>> mode depending on the buffer name. However, I think the default
>> behavior when creating buffers non-interactively should *not* respect
>> auto-mode-alist.
>
> Yes, I meant interactively only, but should have made that clear. Thx.
I think I posted this in response to a request on gnu.emacs.help, back around
2008-11-18, but I can't find it via Google:
(defadvice switch-to-buffer (around interactive-normal-mode activate)
"When called interactively to create a new buffer not visiting a file,
temporarily bind `buffer-file-name' and call `normal-mode'."
(let ((existing-buffer (get-buffer (ad-get-arg 0))))
ad-do-it
(when (and (interactive-p)
(null existing-buffer)
(null buffer-file-name))
(let ((buffer-file-name (expand-file-name (buffer-name))))
(normal-mode)))))
Not appropriate for src/buffer.c of course, but you get the idea.
--
Kevin Rodgers
Denver, Colorado, USA
next prev parent reply other threads:[~2009-09-24 2:31 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-09-22 14:31 new buffer - should its mode reflect its name when the name matches auto-mode-alist? Drew Adams
2009-09-22 14:47 ` Deniz Dogan
2009-09-22 15:07 ` Drew Adams
2009-09-23 20:50 ` Mathias Dahl
2009-09-24 21:07 ` Juri Linkov
2009-09-24 2:31 ` Kevin Rodgers [this message]
2009-09-24 3:14 ` Drew Adams
2009-09-24 21:32 ` Juri Linkov
2009-09-24 22:01 ` Drew Adams
2009-09-25 0:38 ` Stefan Monnier
2009-09-25 9:04 ` Juri Linkov
2009-09-25 14:16 ` Stefan Monnier
2009-09-29 23:11 ` Juri Linkov
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