From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.bugs Subject: bug#15594: trunk r114639: * lisp/progmodes/ruby-mode.el (ruby-smie-grammar): Add rule for paren-free Date: Mon, 21 Oct 2013 09:25:07 -0400 Message-ID: References: <87a9icobbl.fsf@yandex.ru> <525C9926.9030202@yandex.ru> <5264C37E.6080300@yandex.ru> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1382361984 8202 80.91.229.3 (21 Oct 2013 13:26:24 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Mon, 21 Oct 2013 13:26:24 +0000 (UTC) Cc: 15594@debbugs.gnu.org To: Dmitry Gutov Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Mon Oct 21 15:26:25 2013 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1VYFV2-0004eh-Sg for geb-bug-gnu-emacs@m.gmane.org; Mon, 21 Oct 2013 15:26:25 +0200 Original-Received: from localhost ([::1]:40077 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VYFV2-00010z-Es for geb-bug-gnu-emacs@m.gmane.org; Mon, 21 Oct 2013 09:26:24 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:52283) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VYFUs-00010a-Jx for bug-gnu-emacs@gnu.org; Mon, 21 Oct 2013 09:26:21 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1VYFUl-0003RQ-4j for bug-gnu-emacs@gnu.org; Mon, 21 Oct 2013 09:26:14 -0400 Original-Received: from debbugs.gnu.org ([140.186.70.43]:46407) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VYFUl-0003RI-1s for bug-gnu-emacs@gnu.org; Mon, 21 Oct 2013 09:26:07 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.80) (envelope-from ) id 1VYFUj-00057x-RR for bug-gnu-emacs@gnu.org; Mon, 21 Oct 2013 09:26:06 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Stefan Monnier Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Mon, 21 Oct 2013 13:26:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 15594 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 15594-submit@debbugs.gnu.org id=B15594.138236191819653 (code B ref 15594); Mon, 21 Oct 2013 13:26:02 +0000 Original-Received: (at 15594) by debbugs.gnu.org; 21 Oct 2013 13:25:18 +0000 Original-Received: from localhost ([127.0.0.1]:60426 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1VYFTw-00056u-TN for submit@debbugs.gnu.org; Mon, 21 Oct 2013 09:25:17 -0400 Original-Received: from ironport2-out.teksavvy.com ([206.248.154.182]:59059) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1VYFTt-00056b-9O for 15594@debbugs.gnu.org; Mon, 21 Oct 2013 09:25:13 -0400 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: Av4EABK/CFFFxLCX/2dsb2JhbABEvw4Xc4IeAQEEAVYjEAsOJhIUGA0kiB4GwS2RCgOkeoFegxM X-IPAS-Result: Av4EABK/CFFFxLCX/2dsb2JhbABEvw4Xc4IeAQEEAVYjEAsOJhIUGA0kiB4GwS2RCgOkeoFegxM X-IronPort-AV: E=Sophos;i="4.84,565,1355115600"; d="scan'208";a="35965889" Original-Received: from 69-196-176-151.dsl.teksavvy.com (HELO pastel.home) ([69.196.176.151]) by ironport2-out.teksavvy.com with ESMTP/TLS/ADH-AES256-SHA; 21 Oct 2013 09:25:07 -0400 Original-Received: by pastel.home (Postfix, from userid 20848) id 8E03C6032F; Mon, 21 Oct 2013 09:25:07 -0400 (EDT) In-Reply-To: <5264C37E.6080300@yandex.ru> (Dmitry Gutov's message of "Mon, 21 Oct 2013 10:02:38 +0400") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3.50 (gnu/linux) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.15 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x 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:79452 Archived-At: >> Calling ruby-smie--forward-token is a bit dangerous since that function >> might itself be called from ruby-smie--forward-token. It might work, >> but you'll have to think hard about why an inf-loop is not possible. > Hopefully because both `ruby-smie--forward-token' and > ruby-smie--backward-token' would only call `ruby-smie--forward-token', and > only when (> pos (point)), IOW there has to be some whitespace skipping done > between the recursive calls. Only recursing in one direction (only forward or only backward) is a good way to guarantee progress, indeed. But currently ruby-smie--implicit-semi-p calls ruby-smie--backward-token, so beware. Stefan