Date: Tue, 31 Jul 2012 21:42:05 +0000 From: Baptiste Daroussin <bapt@FreeBSD.org> To: Warner Losh <imp@bsdimp.com> Cc: Thomas Dickey <dickey@his.com>, FreeBSD-arch Arch <freebsd-arch@FreeBSD.org> Subject: Re: Flex update Message-ID: <20120731214205.GU21678@ithaqua.etoilebsd.net> In-Reply-To: <3DB8FADE-932D-4F13-9BA0-A68C26092490@bsdimp.com> References: <B568515E-1098-402F-9E23-7532BEBB8369@bsdimp.com> <20120720082300.GA5077@debian50-32.invisible-island.net> <20120731205935.GT21678@ithaqua.etoilebsd.net> <3DB8FADE-932D-4F13-9BA0-A68C26092490@bsdimp.com>
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[-- Attachment #1 --] On Tue, Jul 31, 2012 at 03:27:35PM -0600, Warner Losh wrote: > > On Jul 31, 2012, at 2:59 PM, Baptiste Daroussin wrote: > > > 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? > >> > >> It depends on what you mean by "updated". > >> > >> 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. > >> > >> Debian for instance has old/new versions. > >> > >> I don't use either - see > >> > >> http://invisible-island.net/reflex/ > >> > >> (earlier this year, Baptiste Daroussin suggested some additional changes > >> to this version, along the lines of the ones I incorporated into byacc). > >> > >> -- > >> Thomas E. Dickey <dickey@invisible-island.net> > >> http://invisible-island.net > >> ftp://invisible-island.net > > > > 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, normally > > our version of m4 is now compatible with gnu m4 (I added some missing bits > > recently) but still I don't think having flex using m4 is a good idea, and > > reflex looks cleaner in that area. > > > > reflex is just missing imho one feature from flex (sourceforge version) that is > > ability to generate reentrant code. > > > > I already imported byacc from invisible island, I was supposed to add some > > "fixes" to byacc (bde has spotted) and provide them to Thomas, sorry I have > > been slacking in that area recently. > > > > Once that is done, I have on my todo list importing reflex to replace our 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. > > Cool. The only new feature I need from flex is the yypush/yypop_buffer_state. That was the reason I started down this path, but punted when I discovered 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. > > 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 [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.19 (FreeBSD) iEYEARECAAYFAlAYUS0ACgkQ8kTtMUmk6Eyl0ACeLpPl7fJVfZWilnjweldIqVEx /F0An0aQV0TFbMnajDh3WjcKLHboxVDN =qp+e -----END PGP SIGNATURE-----help
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