From mboxrd@z Thu Jan 1 00:00:00 1970 Path: main.gmane.org!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.devel Subject: Re: void variable Date: 26 Jul 2004 17:13:57 -0400 Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Message-ID: References: <410353ED.1090107@math.ku.dk> <4104091E.4040007@math.ku.dk> <200407252046.i6PKkFH29813@raven.dms.auburn.edu> <200407262041.i6QKfFu15523@raven.dms.auburn.edu> NNTP-Posting-Host: deer.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: sea.gmane.org 1090876520 4261 80.91.224.253 (26 Jul 2004 21:15:20 GMT) X-Complaints-To: usenet@sea.gmane.org NNTP-Posting-Date: Mon, 26 Jul 2004 21:15:20 +0000 (UTC) Cc: larsh@math.ku.dk, emacs-devel@gnu.org Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Mon Jul 26 23:15:09 2004 Return-path: Original-Received: from lists.gnu.org ([199.232.76.165]) by deer.gmane.org with esmtp (Exim 3.35 #1 (Debian)) id 1BpCoO-000159-00 for ; Mon, 26 Jul 2004 23:15:09 +0200 Original-Received: from localhost ([127.0.0.1] helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.33) id 1BpCrS-0005pZ-84 for ged-emacs-devel@m.gmane.org; Mon, 26 Jul 2004 17:18:18 -0400 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.33) id 1BpCqr-0005bv-8u for emacs-devel@gnu.org; Mon, 26 Jul 2004 17:17:41 -0400 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.33) id 1BpCqq-0005bW-Jy for emacs-devel@gnu.org; Mon, 26 Jul 2004 17:17:40 -0400 Original-Received: from [199.232.76.173] (helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.33) id 1BpCqp-0005bT-1k for emacs-devel@gnu.org; Mon, 26 Jul 2004 17:17:40 -0400 Original-Received: from [132.204.24.67] (helo=mercure.iro.umontreal.ca) by monty-python.gnu.org with esmtp (Exim 4.34) id 1BpCnf-0001pn-DF for emacs-devel@gnu.org; Mon, 26 Jul 2004 17:14:23 -0400 Original-Received: from asado.iro.umontreal.ca (asado.iro.umontreal.ca [132.204.24.84]) by mercure.iro.umontreal.ca (Postfix) with ESMTP id 94C95B3027C; Mon, 26 Jul 2004 17:13:57 -0400 (EDT) Original-Received: by asado.iro.umontreal.ca (Postfix, from userid 20848) id D62BE8CA23; Mon, 26 Jul 2004 17:13:57 -0400 (EDT) Original-To: Luc Teirlinck In-Reply-To: <200407262041.i6QKfFu15523@raven.dms.auburn.edu> Original-Lines: 13 User-Agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.3.50 X-DIRO-MailScanner-Information: Please contact the ISP for more information X-DIRO-MailScanner: Found to be clean X-DIRO-MailScanner-SpamCheck: n'est pas un polluriel, SpamAssassin (score=0, requis 5) X-MailScanner-From: monnier@iro.umontreal.ca X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: main.gmane.org gmane.emacs.devel:25994 X-Report-Spam: http://spam.gmane.org/gmane.emacs.devel:25994 > Maybe we could arrange for defvar to burp a warning if the var is > currently let-bound? > Just to be sure, I assume you mean a compiler warning? (As opposed to > the kind of thing that `define-minor-mode' does.) defvar-ing > let-bound variables is OK for autoloaded variables. It is also OK for > `(defvar foo)''s that are just there to pacify the compiler. I don't think it can be done half-reliably by the byte-compiler. I was suggesting a runtime check in Fdefvar. Stefan