From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: ludo@gnu.org (Ludovic =?iso-8859-1?Q?Court=E8s?=) Newsgroups: gmane.lisp.guile.devel Subject: Re: Some more elisp aspects: Reader and documentation Date: Mon, 17 Aug 2009 13:46:45 +0200 Message-ID: <87tz06u0gq.fsf@gnu.org> References: <4A7453A2.2020808@domob.eu> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: ger.gmane.org 1250509822 28117 80.91.229.12 (17 Aug 2009 11:50:22 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Mon, 17 Aug 2009 11:50:22 +0000 (UTC) To: guile-devel@gnu.org Original-X-From: guile-devel-bounces+guile-devel=m.gmane.org@gnu.org Mon Aug 17 13:50:15 2009 Return-path: Envelope-to: guile-devel@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by lo.gmane.org with esmtp (Exim 4.50) id 1Md0j6-0008WA-Sf for guile-devel@m.gmane.org; Mon, 17 Aug 2009 13:50:13 +0200 Original-Received: from localhost ([127.0.0.1]:44453 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1Md0j6-0005iw-Bv for guile-devel@m.gmane.org; Mon, 17 Aug 2009 07:50:12 -0400 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1Md0j4-0005iq-Av for guile-devel@gnu.org; Mon, 17 Aug 2009 07:50:10 -0400 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1Md0iz-0005gN-Ik for guile-devel@gnu.org; Mon, 17 Aug 2009 07:50:09 -0400 Original-Received: from [199.232.76.173] (port=36058 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1Md0iz-0005gK-EF for guile-devel@gnu.org; Mon, 17 Aug 2009 07:50:05 -0400 Original-Received: from lo.gmane.org ([80.91.229.12]:35270) by monty-python.gnu.org with esmtps (TLS-1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1Md0iy-00027K-P7 for guile-devel@gnu.org; Mon, 17 Aug 2009 07:50:05 -0400 Original-Received: from list by lo.gmane.org with local (Exim 4.50) id 1Md0iw-0008RH-QK for guile-devel@gnu.org; Mon, 17 Aug 2009 13:50:02 +0200 Original-Received: from laptop-147-210-128-170.labri.fr ([147.210.128.170]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Mon, 17 Aug 2009 13:50:02 +0200 Original-Received: from ludo by laptop-147-210-128-170.labri.fr with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Mon, 17 Aug 2009 13:50:02 +0200 X-Injected-Via-Gmane: http://gmane.org/ Original-Lines: 20 Original-X-Complaints-To: usenet@ger.gmane.org X-Gmane-NNTP-Posting-Host: laptop-147-210-128-170.labri.fr X-URL: http://www.fdn.fr/~lcourtes/ X-Revolutionary-Date: 30 Thermidor an 217 de la =?iso-8859-1?Q?R=E9volutio?= =?iso-8859-1?Q?n?= X-PGP-Key-ID: 0xEA52ECF4 X-PGP-Key: http://www.fdn.fr/~lcourtes/ludovic.asc X-PGP-Fingerprint: 821D 815D 902A 7EAB 5CEE D120 7FBA 3D4F EB1F 5364 X-OS: x86_64-unknown-linux-gnu User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/23.1 (gnu/linux) Cancel-Lock: sha1:l9dsXaYliQKE8cBW1ncP4obOVm4= X-detected-operating-system: by monty-python.gnu.org: GNU/Linux 2.6 (newer, 3) X-BeenThere: guile-devel@gnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "Developers list for Guile, the GNU extensibility library" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: guile-devel-bounces+guile-devel=m.gmane.org@gnu.org Errors-To: guile-devel-bounces+guile-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.lisp.guile.devel:9133 Archived-At: Hi Daniel, Sorry for the late reply. Daniel Kraft writes: > 2) Write a seperate elisp reader, possibly in Scheme (but could be C > as well if that's important for performance). This helps us keep > "both" readers clean and seperate, but all has to be done from ground > up and the code is probably slower (when written in Scheme). This sounds like the best option to me. You could use SILex to build the lexer (http://www.iro.umontreal.ca/~dube/) and `(text parse-lalr)' for the parser. It may be slower than the C counterpart at first but it's bound to get faster as Andy implements more crazy compiler optimizations. :-) Thanks, Ludo'.