From owner-freebsd-arch@FreeBSD.ORG Tue Jul 31 21:42:08 2012 Return-Path: Delivered-To: freebsd-arch@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 94740106564A for ; Tue, 31 Jul 2012 21:42:08 +0000 (UTC) (envelope-from bapt@FreeBSD.org) Received: from freefall.freebsd.org (freefall.freebsd.org [IPv6:2001:4f8:fff6::28]) by mx1.freebsd.org (Postfix) with ESMTP id 75B8D8FC15; Tue, 31 Jul 2012 21:42:08 +0000 (UTC) Received: from freefall.freebsd.org (localhost [127.0.0.1]) by freefall.freebsd.org (8.14.5/8.14.5) with ESMTP id q6VLg8Ks088472; Tue, 31 Jul 2012 21:42:08 GMT (envelope-from bapt@FreeBSD.org) Received: (from bapt@localhost) by freefall.freebsd.org (8.14.5/8.14.5/Submit) id q6VLg8hY088471; Tue, 31 Jul 2012 21:42:08 GMT (envelope-from bapt@FreeBSD.org) X-Authentication-Warning: freefall.freebsd.org: bapt set sender to bapt@FreeBSD.org using -f Date: Tue, 31 Jul 2012 21:42:05 +0000 From: Baptiste Daroussin To: Warner Losh Message-ID: <20120731214205.GU21678@ithaqua.etoilebsd.net> References: <20120720082300.GA5077@debian50-32.invisible-island.net> <20120731205935.GT21678@ithaqua.etoilebsd.net> <3DB8FADE-932D-4F13-9BA0-A68C26092490@bsdimp.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="xmHgJexE5s//CZci" Content-Disposition: inline In-Reply-To: <3DB8FADE-932D-4F13-9BA0-A68C26092490@bsdimp.com> User-Agent: Mutt/1.5.21 (2010-09-15) Cc: Thomas Dickey , FreeBSD-arch Arch Subject: Re: Flex update X-BeenThere: freebsd-arch@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussion related to FreeBSD architecture List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 31 Jul 2012 21:42:08 -0000 --xmHgJexE5s//CZci Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, Jul 31, 2012 at 03:27:35PM -0600, Warner Losh wrote: >=20 > On Jul 31, 2012, at 2:59 PM, Baptiste Daroussin wrote: >=20 > > On Fri, Jul 20, 2012 at 04:23:00AM -0400, Thomas Dickey wrote: > >> On Thu, Jul 19, 2012 at 10:42:15PM -0600, Warner Losh wrote: > >>> Is there some reason that flex has never been updated from 2.4.5a? > >>=20 > >> It depends on what you mean by "updated". > >>=20 > >> The usual answer is the sourceforge project. > >> It's not exactly an "update", since it breaks existing applications, > >> and its maintainer is unwilling to address those problems. > >>=20 > >> Debian for instance has old/new versions. > >>=20 > >> I don't use either - see > >>=20 > >> http://invisible-island.net/reflex/ > >>=20 > >> (earlier this year, Baptiste Daroussin suggested some additional chang= es > >> to this version, along the lines of the ones I incorporated into byacc= ). > >>=20 > >> --=20 > >> Thomas E. Dickey > >> http://invisible-island.net > >> ftp://invisible-island.net > >=20 > > reflex seems like a better solution for us than upgrade to flex (from > > sourceforge) imho, flex depends on m4 and on some gnu m4 extensions, no= rmally > > our version of m4 is now compatible with gnu m4 (I added some missing b= its > > recently) but still I don't think having flex using m4 is a good idea, = and > > reflex looks cleaner in that area. > >=20 > > reflex is just missing imho one feature from flex (sourceforge version)= that is > > ability to generate reentrant code. > >=20 > > I already imported byacc from invisible island, I was supposed to add s= ome > > "fixes" to byacc (bde has spotted) and provide them to Thomas, sorry I = have > > been slacking in that area recently. > >=20 > > Once that is done, I have on my todo list importing reflex to replace o= ur flex. > > I did feel any hurry in that area, as I don't think we are missing too = much > > features, is there one you are particulary interested on? I was waiting= for > > reflex to support reentrant code generation before importing it. >=20 > Cool. The only new feature I need from flex is the yypush/yypop_buffer_s= tate. That was the reason I started down this path, but punted when I disc= overed the delta was less than a dozen lines of code. reflex I haven't had= to evaluate to see if it brings that in or not. >=20 > Warner_______________________________________________ > freebsd-arch@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-arch > To unsubscribe, send any mail to "freebsd-arch-unsubscribe@freebsd.org" If you want to do the import feel free :) regards, Bapt --xmHgJexE5s//CZci Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.19 (FreeBSD) iEYEARECAAYFAlAYUS0ACgkQ8kTtMUmk6Eyl0ACeLpPl7fJVfZWilnjweldIqVEx /F0An0aQV0TFbMnajDh3WjcKLHboxVDN =qp+e -----END PGP SIGNATURE----- --xmHgJexE5s//CZci--