From: "Mattias Engdegård" <mattiase@acm.org>
To: Stefan Monnier <monnier@IRO.UMontreal.CA>
Cc: 34910@debbugs.gnu.org
Subject: bug#34910: 27.0.50; Too much matching reentrancy
Date: Sat, 30 Mar 2019 14:05:50 +0100 [thread overview]
Message-ID: <1967BB79-8AD9-41F7-B046-0ECC787FDC3C@acm.org> (raw)
In-Reply-To: <jwv8swwed8l.fsf-monnier+emacs@gnu.org>
30 mars 2019 kl. 13.55 skrev Stefan Monnier <monnier@IRO.UMontreal.CA>:
>
> It was probably just an oversight, because whether we're searching
> within strings or within buffers the same problems appear with \{N\}
> repetitions (where the counter is stored directly inside the
> regexp-byte-code) and with on-the-fly strength-reduction (where we
> replace some byte-code with cheaper ones (where applicable) on the first
> pass through the regexp).
Is the reentrancy just in preparation for future needs, or is it possible to re-enter the regexp code right now?
If the latter, we may just as well fix the string case here and now; otherwise, I'd like to close the bug.
next prev parent reply other threads:[~2019-03-30 13:05 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-03-18 21:34 bug#34910: 27.0.50; Too much matching reentrancy Mattias Engdegård
2019-03-19 8:05 ` Eli Zaretskii
2019-03-19 9:27 ` Mattias Engdegård
2019-03-19 10:01 ` Eli Zaretskii
2019-03-19 12:25 ` Mattias Engdegård
2019-03-19 12:31 ` Eli Zaretskii
2019-03-30 9:29 ` Eli Zaretskii
2019-03-19 12:50 ` Mattias Engdegård
2019-03-30 9:30 ` Eli Zaretskii
2019-03-30 11:18 ` Mattias Engdegård
2019-03-30 14:52 ` Daniel Colascione
2019-03-30 12:55 ` Stefan Monnier
2019-03-30 13:05 ` Mattias Engdegård [this message]
2019-03-30 13:37 ` Eli Zaretskii
2019-03-30 16:22 ` Stefan Monnier
2019-03-30 17:10 ` Daniel Colascione
2019-03-30 19:06 ` Mattias Engdegård
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
List information: https://www.gnu.org/software/emacs/
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1967BB79-8AD9-41F7-B046-0ECC787FDC3C@acm.org \
--to=mattiase@acm.org \
--cc=34910@debbugs.gnu.org \
--cc=monnier@IRO.UMontreal.CA \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
Code repositories for project(s) associated with this public inbox
https://git.savannah.gnu.org/cgit/emacs.git
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).