From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Leo Newsgroups: gmane.emacs.bugs Subject: bug#8415: 23.3.50; Extensible Emacs Registers Date: Tue, 05 Apr 2011 13:42:20 +0800 Message-ID: References: <4D9A45CD.4030808@gmail.com> <4D9A7537.5030005@gmail.com> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: dough.gmane.org 1301983652 26321 80.91.229.12 (5 Apr 2011 06:07:32 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Tue, 5 Apr 2011 06:07:32 +0000 (UTC) Cc: Davis Herring , Daniel Colascione , 8415@debbugs.gnu.org To: Stefan Monnier Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Tue Apr 05 08:07:27 2011 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by lo.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1Q6zQE-0008LB-Ru for geb-bug-gnu-emacs@m.gmane.org; Tue, 05 Apr 2011 08:07:27 +0200 Original-Received: from localhost ([127.0.0.1]:36961 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1Q6zQD-00088s-D5 for geb-bug-gnu-emacs@m.gmane.org; Tue, 05 Apr 2011 02:07:25 -0400 Original-Received: from [140.186.70.92] (port=34385 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1Q6zQ4-00088Y-JC for bug-gnu-emacs@gnu.org; Tue, 05 Apr 2011 02:07:17 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Q6zQ3-00022x-Mv for bug-gnu-emacs@gnu.org; Tue, 05 Apr 2011 02:07:16 -0400 Original-Received: from debbugs.gnu.org ([140.186.70.43]:60040) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Q6zQ3-00022p-Jp for bug-gnu-emacs@gnu.org; Tue, 05 Apr 2011 02:07:15 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.69) (envelope-from ) id 1Q6z2b-0006lG-P9; Tue, 05 Apr 2011 01:43:01 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Leo Original-Sender: debbugs-submit-bounces@debbugs.gnu.org Resent-To: owner@debbugs.gnu.org Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Tue, 05 Apr 2011 05:43:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 8415 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: patch Original-Received: via spool by 8415-submit@debbugs.gnu.org id=B8415.130198215625956 (code B ref 8415); Tue, 05 Apr 2011 05:43:01 +0000 Original-Received: (at 8415) by debbugs.gnu.org; 5 Apr 2011 05:42:36 +0000 Original-Received: from localhost ([127.0.0.1] helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1Q6z2C-0006ka-7e for submit@debbugs.gnu.org; Tue, 05 Apr 2011 01:42:36 -0400 Original-Received: from mail-iy0-f172.google.com ([209.85.210.172]) by debbugs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1Q6z2A-0006kO-4D for 8415@debbugs.gnu.org; Tue, 05 Apr 2011 01:42:34 -0400 Original-Received: by iye19 with SMTP id 19so36113iye.3 for <8415@debbugs.gnu.org>; Mon, 04 Apr 2011 22:42:28 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:from:to:cc:subject:references:date:in-reply-to :message-id:user-agent:mime-version:content-type; bh=/SiyOYZal1AwURY7qTz2onhB/AQxcthUaP5Gtra8u7c=; b=FOn7KjFuO+yWUQLMJwj3gMFBpVxQR4Y4VDfHbUcCGoez98g9oUpuz9jDbRZGDC8Hsy SiefFloWxsCMwDepwKaUoqH+VJAW4l0Uvtwvx2OFBM4BwEvfrrAsra5Yv6lO6kTi2Rl6 Ehdlvvv5okZjQP3mcMhdGl6H3XKA2XF9P8boc= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=from:to:cc:subject:references:date:in-reply-to:message-id :user-agent:mime-version:content-type; b=X890STDOpXw/O6NfFNVUVtOXTFXajqQLTHljoCbEgzXbrumtkFMpQL30mBMM39AfQb KSrElA6/cbqVSKs673OaTI8+L3dDd80GM08lZ8ALMTAcziGKq9z3fJ5CsbewxOU9V8ZJ 6EmyFYDW1YQn2OmugfF1zfaT4rAWPSuR+77sA= Original-Received: by 10.42.1.81 with SMTP id 17mr2140425icf.465.1301982148115; Mon, 04 Apr 2011 22:42:28 -0700 (PDT) Original-Received: from th041153.ip.tsinghua.edu.cn ([111.194.93.79]) by mx.google.com with ESMTPS id va4sm3935323icb.15.2011.04.04.22.42.24 (version=TLSv1/SSLv3 cipher=OTHER); Mon, 04 Apr 2011 22:42:27 -0700 (PDT) In-Reply-To: (Stefan Monnier's message of "Mon, 04 Apr 2011 23:07:05 -0400") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/23.3.50 (Mac OS X 10.6.7) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.11 Precedence: list Resent-Date: Tue, 05 Apr 2011 01:43:01 -0400 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 3) 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: , Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:45637 Archived-At: On 2011-04-05 11:07 +0800, Stefan Monnier wrote: > The end point is pretty much the same, but all the intermediate steps > are safe and easy to check. I think a structure still is a better approach. It offers uniformity and allows access to the value stored in each slot so one can easily build a new register reusing values from an old one which, in some use cases (defadvice), can be convenient. >> Well, there's EIEIO. It gives you the ability to easily add methods >> while not baking the dispatch into each one. On the other hand, it's a >> quite a bit of code to pull into the core at runtime. > > Indeed. I have thought about using EIEIO in the beginning and ruled it out since it is required at run time. Leo