From mboxrd@z Thu Jan 1 00:00:00 1970 Path: main.gmane.org!not-for-mail From: Lynn Winebarger Newsgroups: gmane.lisp.guile.devel Subject: Re: comments on new-model.txt Date: Wed, 11 Sep 2002 02:28:10 -0500 Sender: guile-devel-admin@gnu.org Message-ID: <02091102281000.21934@locke.free-expression.org> References: <02090420222526.19624@locke.free-expression.org> <0209081847342E.19624@locke.free-expression.org> <877khuydrn.fsf@zagadka.ping.de> NNTP-Posting-Host: localhost.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 8bit X-Trace: main.gmane.org 1031729584 8581 127.0.0.1 (11 Sep 2002 07:33:04 GMT) X-Complaints-To: usenet@main.gmane.org NNTP-Posting-Date: Wed, 11 Sep 2002 07:33:04 +0000 (UTC) Cc: guile-devel@gnu.org Return-path: Original-Received: from monty-python.gnu.org ([199.232.76.173]) by main.gmane.org with esmtp (Exim 3.35 #1 (Debian)) id 17p1zj-0002EF-00 for ; Wed, 11 Sep 2002 09:33:03 +0200 Original-Received: from localhost ([127.0.0.1] helo=monty-python.gnu.org) by monty-python.gnu.org with esmtp (Exim 4.10) id 17p1zp-0003Jk-00; Wed, 11 Sep 2002 03:33:09 -0400 Original-Received: from list by monty-python.gnu.org with tmda-scanned (Exim 4.10) id 17p1zH-0003AC-00 for guile-devel@gnu.org; Wed, 11 Sep 2002 03:32:35 -0400 Original-Received: from mail by monty-python.gnu.org with spam-scanned (Exim 4.10) id 17p1zF-00039B-00 for guile-devel@gnu.org; Wed, 11 Sep 2002 03:32:35 -0400 Original-Received: from julesburg.uits.indiana.edu ([129.79.1.75]) by monty-python.gnu.org with esmtp (Exim 4.10) id 17p1zF-00038C-00 for guile-devel@gnu.org; Wed, 11 Sep 2002 03:32:33 -0400 Original-Received: from stjoseph.uits.indiana.edu (stjoseph.uits.indiana.edu [129.79.1.78]) by julesburg.uits.indiana.edu (8.12.1/8.12.1/IUPO) with ESMTP id g8B7WUeP008343; Wed, 11 Sep 2002 02:32:30 -0500 (EST) Original-Received: from locke.free-expression.org (dial-122-140.dial.indiana.edu [156.56.122.140]) by stjoseph.uits.indiana.edu (8.12.1/8.12.1/IUPO) with SMTP id g8B7WSRL005194; Wed, 11 Sep 2002 02:32:29 -0500 (EST) Original-To: Marius Vollmer X-Mailer: KMail [version 1.2] In-Reply-To: <877khuydrn.fsf@zagadka.ping.de> Errors-To: guile-devel-admin@gnu.org X-BeenThere: guile-devel@gnu.org X-Mailman-Version: 2.0.11 Precedence: bulk List-Help: List-Post: List-Subscribe: , List-Id: Developers list for Guile, the GNU extensibility library List-Unsubscribe: , List-Archive: Xref: main.gmane.org gmane.lisp.guile.devel:1326 X-Report-Spam: http://spam.gmane.org/gmane.lisp.guile.devel:1326 On Monday 09 September 2002 17:55, Marius Vollmer wrote: > > This would be a convenient way to represent imported variables. The > > only concrete reason I can offer for including a pointer (of some > > form) to the top level environment of an external variable (actually > > any top-level variable) is for ones that aren't bound at the time of > > parsing (recalling that correct macro expansion can't be lazy in the > > presence of side-effects, as some of the syntax-case examples I've > > been posting should demonstrate). > > What would you do with that pointer? Actually, I believe I was originally thinking of using it for macro expansion purposes (so if a macro was bound to an external variable, that top-level environment could be stacked on whatever the top-level environment "currently" is for macro lookups. Lynn _______________________________________________ Guile-devel mailing list Guile-devel@gnu.org http://mail.gnu.org/mailman/listinfo/guile-devel