From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED.blaine.gmane.org!not-for-mail From: Alan Mackenzie Newsgroups: gmane.emacs.bugs Subject: bug#34525: replace-regexp missing some matches Date: Tue, 26 Feb 2019 21:45:09 +0000 Message-ID: <20190226214509.GF19653@ACM> References: <20190220185850.GB9655@ACM> <83lg2agt0j.fsf@gnu.org> <20190220213003.GC9655@ACM> <83bm35hkqo.fsf@gnu.org> <20190224173746.GA21808@ACM> <83mumlnk8y.fsf@gnu.org> <20190224210058.GB21808@ACM> <83mumjmxv6.fsf@gnu.org> <20190226135048.GA19653@ACM> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="13543"; mail-complaints-to="usenet@blaine.gmane.org" User-Agent: Mutt/1.10.1 (2018-07-13) Cc: daniel.lopez999@gmail.com, 34525@debbugs.gnu.org To: Stefan Monnier Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Tue Feb 26 22:50:15 2019 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([209.51.188.17]) by blaine.gmane.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:256) (Exim 4.89) (envelope-from ) id 1gykcB-0003Oo-9i for geb-bug-gnu-emacs@m.gmane.org; Tue, 26 Feb 2019 22:50:15 +0100 Original-Received: from localhost ([127.0.0.1]:33684 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gykcA-0004yH-5h for geb-bug-gnu-emacs@m.gmane.org; Tue, 26 Feb 2019 16:50:14 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:44412) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gykc1-0004yA-Q1 for bug-gnu-emacs@gnu.org; Tue, 26 Feb 2019 16:50:06 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gykc1-0007ya-01 for bug-gnu-emacs@gnu.org; Tue, 26 Feb 2019 16:50:05 -0500 Original-Received: from debbugs.gnu.org ([209.51.188.43]:39801) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1gykby-0007x2-8E; Tue, 26 Feb 2019 16:50:04 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1gykby-0007D8-1I; Tue, 26 Feb 2019 16:50:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Alan Mackenzie Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org, bug-cc-mode@gnu.org Resent-Date: Tue, 26 Feb 2019 21:50:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 34525 X-GNU-PR-Package: emacs,cc-mode Original-Received: via spool by 34525-submit@debbugs.gnu.org id=B34525.155121779627701 (code B ref 34525); Tue, 26 Feb 2019 21:50:01 +0000 Original-Received: (at 34525) by debbugs.gnu.org; 26 Feb 2019 21:49:56 +0000 Original-Received: from localhost ([127.0.0.1]:53345 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1gykbs-0007Cj-0B for submit@debbugs.gnu.org; Tue, 26 Feb 2019 16:49:56 -0500 Original-Received: from colin.muc.de ([193.149.48.1]:40321 helo=mail.muc.de) by debbugs.gnu.org with smtp (Exim 4.84_2) (envelope-from ) id 1gykbp-0007CZ-0s for 34525@debbugs.gnu.org; Tue, 26 Feb 2019 16:49:53 -0500 Original-Received: (qmail 60903 invoked by uid 3782); 26 Feb 2019 21:49:49 -0000 Original-Received: from acm.muc.de (p4FE15DD0.dip0.t-ipconnect.de [79.225.93.208]) by colin.muc.de (tmda-ofmipd) with ESMTP; Tue, 26 Feb 2019 22:49:48 +0100 Original-Received: (qmail 21410 invoked by uid 1000); 26 Feb 2019 21:45:09 -0000 Content-Disposition: inline In-Reply-To: X-Delivery-Agent: TMDA/1.1.12 (Macallan) X-Primary-Address: acm@muc.de X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.51.188.43 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" Xref: news.gmane.org gmane.emacs.bugs:155829 Archived-At: Hello, Stefan. On Tue, Feb 26, 2019 at 15:09:54 -0500, Stefan Monnier wrote: > > gl_state contains a cached interval, gl_state->backward_i, and there > > is no guarantee that its ->position will have been updated by > > adjust_intervals_for_insertion. In the current bug, I believe it > > hasn't been adjusted. > Hmm... gl_state is not supposed to be kept "live" across buffer > modifications. It's supposed to be used only *within* read-only > primitives which set it from scratch at the beginning (by calling > SETUP_SYNTAX_TABLE, SETUP_BUFFER_SYNTAX_TABLE, or > SETUP_SYNTAX_TABLE_FOR_OBJECT). The backward_i and forward_i fields are > actually reset in the first call to update_syntax_table, by passing it > a true value for the `init` arg. > So the problem you describe might be due to some place where we fail to > reset gl_state before using it, or maybe it's a bug in > SETUP_*_SYNTAX_TABLE* re_search_2 calls SETUP_SYNTAX_TABLE_FOR_OBJECT unconditionally near its start. S_S_T_F_O calls update_syntax_table with a non-zero `init' conditioned only on parse_sexp_lookup_properties. This initialises gl_state.backward_i and gl_state.forward_i. So, I agree with you, what I am seeing is impossible. I'm seeing it, though. > Stefan -- Alan Mackenzie (Nuremberg, Germany).