From mboxrd@z Thu Jan  1 00:00:00 1970
Path: news.gmane.org!not-for-mail
From: dkcombs@panix.com (David Combs)
Newsgroups: gmane.emacs.help
Subject: Re: indent-region for long Java strings very slow
Date: Sat, 18 Nov 2006 20:31:14 +0000 (UTC)
Organization: Public Access Networks Corp.
Message-ID: <ejnqii$jjp$1@reader2.panix.com>
References: <1161872117.135227.178220@i42g2000cwa.googlegroups.com>
	<ehrfdf$1lhg$1@agate.berkeley.edu>
NNTP-Posting-Host: main.gmane.org
X-Trace: sea.gmane.org 1163882425 18709 80.91.229.2 (18 Nov 2006 20:40:25 GMT)
X-Complaints-To: usenet@sea.gmane.org
NNTP-Posting-Date: Sat, 18 Nov 2006 20:40:25 +0000 (UTC)
Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Sat Nov 18 21:40:21 2006
Return-path: <help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org>
Envelope-to: geh-help-gnu-emacs@m.gmane.org
Original-Received: from lists.gnu.org ([199.232.76.165])
	by ciao.gmane.org with esmtp (Exim 4.43)
	id 1GlWz5-0005sw-Cj
	for geh-help-gnu-emacs@m.gmane.org; Sat, 18 Nov 2006 21:40:20 +0100
Original-Received: from localhost ([127.0.0.1] helo=lists.gnu.org)
	by lists.gnu.org with esmtp (Exim 4.43)
	id 1GlWz4-0006dh-UA
	for geh-help-gnu-emacs@m.gmane.org; Sat, 18 Nov 2006 15:40:18 -0500
Original-Path: shelby.stanford.edu!newsfeed.stanford.edu!bloom-beacon.mit.edu!panix!not-for-mail
Original-Newsgroups: gnu.emacs.help
Original-Lines: 31
Original-NNTP-Posting-Host: panix1.panix.com
Original-X-Trace: reader2.panix.com 1163881874 20089 166.84.1.1 (18 Nov 2006 20:31:14
	GMT)
Original-X-Complaints-To: abuse@panix.com
Original-NNTP-Posting-Date: Sat, 18 Nov 2006 20:31:14 +0000 (UTC)
X-Newsreader: trn 4.0-test76 (Apr 2, 2001)
Original-Xref: shelby.stanford.edu gnu.emacs.help:143186
Original-To: help-gnu-emacs@gnu.org
X-BeenThere: help-gnu-emacs@gnu.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: Users list for the GNU Emacs text editor <help-gnu-emacs.gnu.org>
List-Unsubscribe: <http://lists.gnu.org/mailman/listinfo/help-gnu-emacs>,
	<mailto:help-gnu-emacs-request@gnu.org?subject=unsubscribe>
List-Archive: <http://lists.gnu.org/pipermail/help-gnu-emacs>
List-Post: <mailto:help-gnu-emacs@gnu.org>
List-Help: <mailto:help-gnu-emacs-request@gnu.org?subject=help>
List-Subscribe: <http://lists.gnu.org/mailman/listinfo/help-gnu-emacs>,
	<mailto:help-gnu-emacs-request@gnu.org?subject=subscribe>
Original-Sender: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org
Errors-To: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org
Xref: news.gmane.org gmane.emacs.help:38804
Archived-At: <http://permalink.gmane.org/gmane.emacs.help/38804>

In article <ehrfdf$1lhg$1@agate.berkeley.edu>,
Ilya Zakharevich  <nospam-abuse@ilyaz.org> wrote:
>[A complimentary Cc of this posting was sent to
>giethomas@gmail.com
><giethomas@gmail.com>], who wrote in article <1161872117.135227.178220@i42g2000cwa.googlegroups.com>:
>> When I build a very long Java String with lots of components (... + ...
>> + ... +), spread out over many lines (each terminated by a newline),
>> indent-region gets very, very slow.
>> 
>> Anybody any idea why and how to avoid this?
>
>I suspect that this indicates c-mode being too dumb to use linear-time
>indent algorithm.  20 years ago it was acceptable to have
>quadratic-time indent logic; one could not do better, since
>parse-partial-sexp was not designed well enough.  But I added
>necessary hooks to parse-partial-sexp (more than?) 10 years ago.
>
>Nowadays all the decent modes should have linear-time logic for
>indent.  It looks like c-mode is not decent enough...
>
>Puzzled,
>Ilya

FOI: are you perhaps thinking of fixing it?


Thanks

David