From: "Daniel Colascione" <dancol@dancol.org>
To: "Perry E. Metzger" <perry@piermont.com>
Cc: Daniel Colascione <dancol@dancol.org>,
Stefan Monnier <monnier@iro.umontreal.ca>,
emacs-devel@gnu.org
Subject: Re: [Emacs-diffs] master 938d252 4/4: Make regex matching reentrant; update syntax during match
Date: Mon, 18 Jun 2018 10:49:46 -0700 [thread overview]
Message-ID: <1de38eca2662563e9e08006c88a6d2e5.squirrel@dancol.org> (raw)
In-Reply-To: <20180618115941.4f22a9d3@jabberwock.cb.piermont.com>
> On Sun, 17 Jun 2018 11:51:33 -0700 "Daniel Colascione"
> <dancol@dancol.org> wrote:
>> But anyway, I think the regex code needs a major overhaul. I was
>> actually thinking about forking and vendoring RE2. Granted, having
>> done that, you'd need a C++ compiler to build Emacs, but it's
>> probably one of the better actively-maintained DFA-based regex
>> engines around.
>
> I think needing C++ makes this less than the most obvious choice.
Why? C++ is everywhere these days. I'm in no hurry to move the Emacs core
to C++, but requiring a C++ compiler for the sake of some dependency
shouldn't be a problem. It's good enough for GDB.
>
> 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)
next prev parent reply other threads:[~2018-06-18 17:49 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20180616204650.8423.73499@vcs0.savannah.gnu.org>
[not found] ` <20180616204653.86AFC203CB@vcs0.savannah.gnu.org>
2018-06-17 18:42 ` [Emacs-diffs] master 938d252 4/4: Make regex matching reentrant; update syntax during match Stefan Monnier
2018-06-17 18:51 ` Daniel Colascione
2018-06-17 19:18 ` Daniel Colascione
2018-06-17 19:34 ` Stefan Monnier
2018-06-17 19:50 ` Daniel Colascione
2018-06-17 19:30 ` Stefan Monnier
2018-06-18 15:59 ` Perry E. Metzger
2018-06-18 17:49 ` Daniel Colascione [this message]
2018-06-19 13:40 ` Perry E. Metzger
2018-06-19 13:44 ` Perry E. Metzger
2018-06-19 13:49 ` Daniel Colascione
2018-06-19 14:30 ` Perry E. Metzger
2018-06-19 14:33 ` Perry E. Metzger
2018-06-19 14:48 ` Daniel Colascione
2018-06-19 15:37 ` Perry E. Metzger
2018-06-19 16:20 ` Paul Eggert
2018-06-19 16:27 ` Perry E. Metzger
2018-06-19 17:46 ` Stefan Monnier
2018-06-19 18:18 ` Daniel Colascione
2018-06-19 18:26 ` Perry E. Metzger
2018-06-19 16:54 ` John Wiegley
2018-06-19 17:04 ` Perry E. Metzger
2018-06-19 18:20 ` John Wiegley
2018-06-19 18:04 ` Paul Eggert
2018-06-19 18:16 ` Daniel Colascione
2018-06-19 18:26 ` Paul Eggert
2018-06-19 18:03 ` Andreas Schwab
2018-06-19 18:48 ` Paul Eggert
2018-06-19 14:46 ` Daniel Colascione
2018-06-19 14:58 ` Andreas Schwab
2018-06-19 15:32 ` Perry E. Metzger
2018-06-18 23:25 ` Richard Stallman
2018-06-19 1:30 ` Perry E. Metzger
2018-06-19 22:54 ` Richard Stallman
2018-06-20 1:17 ` Perry E. Metzger
2018-06-20 23:26 ` Richard Stallman
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