From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: "Perry E. Metzger" Newsgroups: gmane.emacs.devel Subject: Re: [Emacs-diffs] master 938d252 4/4: Make regex matching reentrant; update syntax during match Date: Tue, 19 Jun 2018 09:44:42 -0400 Message-ID: <20180619094442.41287e4b@jabberwock.cb.piermont.com> References: <20180616204650.8423.73499@vcs0.savannah.gnu.org> <20180616204653.86AFC203CB@vcs0.savannah.gnu.org> <04e89d2beffedcc102b811863910c1ec.squirrel@dancol.org> <20180618115941.4f22a9d3@jabberwock.cb.piermont.com> <1de38eca2662563e9e08006c88a6d2e5.squirrel@dancol.org> <20180619094005.11465a87@jabberwock.cb.piermont.com> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Trace: blaine.gmane.org 1529416630 7476 195.159.176.226 (19 Jun 2018 13:57:10 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Tue, 19 Jun 2018 13:57:10 +0000 (UTC) Cc: Stefan Monnier , emacs-devel@gnu.org To: "Daniel Colascione" Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Tue Jun 19 15:57:05 2018 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1fVH85-0001qD-MD for ged-emacs-devel@m.gmane.org; Tue, 19 Jun 2018 15:57:05 +0200 Original-Received: from localhost ([::1]:42781 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fVHAC-0000Et-PX for ged-emacs-devel@m.gmane.org; Tue, 19 Jun 2018 09:59:16 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:56284) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fVGwA-0005e2-AE for emacs-devel@gnu.org; Tue, 19 Jun 2018 09:44:47 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fVGw7-00065c-83 for emacs-devel@gnu.org; Tue, 19 Jun 2018 09:44:46 -0400 Original-Received: from hacklheber.piermont.com ([166.84.7.14]:57564) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1fVGw7-00065X-3G for emacs-devel@gnu.org; Tue, 19 Jun 2018 09:44:43 -0400 Original-Received: from snark.cb.piermont.com (localhost [127.0.0.1]) by hacklheber.piermont.com (Postfix) with ESMTP id B536419F; Tue, 19 Jun 2018 09:44:42 -0400 (EDT) Original-Received: from jabberwock.cb.piermont.com (jabberwock.cb.piermont.com [10.160.2.107]) by snark.cb.piermont.com (Postfix) with ESMTP id A8D362DEC76; Tue, 19 Jun 2018 09:44:42 -0400 (EDT) In-Reply-To: <20180619094005.11465a87@jabberwock.cb.piermont.com> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 166.84.7.14 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.21 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 Original-Sender: "Emacs-devel" Xref: news.gmane.org gmane.emacs.devel:226503 Archived-At: On Tue, 19 Jun 2018 09:40:05 -0400 "Perry E. Metzger" wrote: > On Mon, 18 Jun 2018 10:49:46 -0700 "Daniel Colascione" > wrote: > > > I think the right thing would be to use TRE if we could get > > > Ville Laurikari to let someone else be the maintainer. Sadly > > > right now it seems unmaintained and has been for years, but > > > it's fast, complete, and has the ability to handle things like > > > gap buffers. > > > > Last time I looked, many years ago, there were several bugs (or > > differences between TRE and POSIX anyway) > > Bugs yes, but the POSIX conformance was pretty strict. As I said, he > seemed to have abandoned the thing, but the bones are pretty good. > Someone could just fork it and implement all the patches people have > been contributing that have been languishing in the github issue > trackers. Oh, and re2 isn't built for POSIX compliance. It has no constructs that require backtracking etc. Perry -- Perry E. Metzger perry@piermont.com