From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Chong Yidong Newsgroups: gmane.emacs.bugs Subject: bug#10652: 24.0.93; font-lock very slow for C++ Date: Sun, 26 Feb 2012 17:47:25 +0800 Message-ID: <874nuekjte.fsf@gnu.org> References: NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: dough.gmane.org 1330249718 9294 80.91.229.3 (26 Feb 2012 09:48:38 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Sun, 26 Feb 2012 09:48:38 +0000 (UTC) Cc: Helmut Eller , 10652@debbugs.gnu.org To: Alan Mackenzie Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Sun Feb 26 10:48:35 2012 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([140.186.70.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1S1aiT-0006Cq-QV for geb-bug-gnu-emacs@m.gmane.org; Sun, 26 Feb 2012 10:48:29 +0100 Original-Received: from localhost ([::1]:46243 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1S1aiT-0001zw-F2 for geb-bug-gnu-emacs@m.gmane.org; Sun, 26 Feb 2012 04:48:29 -0500 Original-Received: from eggs.gnu.org ([208.118.235.92]:35264) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1S1aiQ-0001zf-P4 for bug-gnu-emacs@gnu.org; Sun, 26 Feb 2012 04:48:27 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1S1aiP-0002s9-NA for bug-gnu-emacs@gnu.org; Sun, 26 Feb 2012 04:48:26 -0500 Original-Received: from debbugs.gnu.org ([140.186.70.43]:54875) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1S1aiI-0002rT-Hy; Sun, 26 Feb 2012 04:48:18 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.72) (envelope-from ) id 1S1akw-0003sp-KK; Sun, 26 Feb 2012 04:51:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Chong Yidong Original-Sender: debbugs-submit-bounces@debbugs.gnu.org Resent-CC: bug-gnu-emacs@gnu.org, bug-cc-mode@gnu.org Resent-Date: Sun, 26 Feb 2012 09:51:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 10652 X-GNU-PR-Package: emacs,cc-mode X-GNU-PR-Keywords: Original-Received: via spool by 10652-submit@debbugs.gnu.org id=B10652.133024982114855 (code B ref 10652); Sun, 26 Feb 2012 09:51:02 +0000 Original-Received: (at 10652) by debbugs.gnu.org; 26 Feb 2012 09:50:21 +0000 Original-Received: from localhost ([127.0.0.1]:56768 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.72) (envelope-from ) id 1S1akH-0003rX-8u for submit@debbugs.gnu.org; Sun, 26 Feb 2012 04:50:21 -0500 Original-Received: from fencepost.gnu.org ([140.186.70.10]:44426) by debbugs.gnu.org with esmtp (Exim 4.72) (envelope-from ) id 1S1akE-0003rP-Q4 for 10652@debbugs.gnu.org; Sun, 26 Feb 2012 04:50:19 -0500 Original-Received: from [155.69.16.142] (port=46699 helo=furball) by fencepost.gnu.org with esmtpsa (TLS1.0:DHE_RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1S1ahZ-0006ET-7i; Sun, 26 Feb 2012 04:47:33 -0500 In-Reply-To: (Helmut Eller's message of "Mon, 30 Jan 2012 12:15:52 +0100") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.0.93 (gnu/linux) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.13 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 2) X-Received-From: 140.186.70.43 X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:57254 Archived-At: Helmut Eller writes: > Font lock is extremely slow in this file: > > http://hg.openjdk.java.net/jdk7/jdk7/hotspot/raw-file/b92c45f2bc75/src/share/vm/runtime/globals.hpp > > Download the file and open it with emacs -Q globals.hpp. Then > scroll around in the file to see how slow it is. I got Emacs into an uninterruptible loop while scrolling through the buffer :-( Looks like a regression against Emacs 23's CC mode, which handles the file just fine. Alan, could you investigate? Thanks.