From: Lute Kamstra <Lute.Kamstra.lists@xs4all.nl>
Cc: Thien-Thi Nguyen <ttn@gnu.org>,
Stefan Monnier <monnier@iro.umontreal.ca>,
emacs-devel@gnu.org
Subject: Re: latexenc-find-file-coding-system is slow.
Date: Fri, 29 Apr 2005 19:19:29 +0200 [thread overview]
Message-ID: <87d5sd4i1q.fsf@xs4all.nl> (raw)
In-Reply-To: <877jil8rz5.fsf@arnested.dk> (Arne Jørgensen's message of "Fri, 29 Apr 2005 18:31:26 +0200")
Arne Jørgensen <arne@arnested.dk> writes:
> Stefan Monnier <monnier@iro.umontreal.ca> writes:
[...]
>> - use (re-search-forward "\\\\usepackage\\[\\(.*\\)\\]{inputenc}")
>> and once it matched, check if it's inside a comment. This should be
>> *much* faster because of how the regexp-engine works (basically,
>> it will backtrack much less). The search as it is coded now could very
>> well fail with "regexp stack overflow".
[...]
> Lute Kamstra <Lute.Kamstra.lists@xs4all.nl> writes:
[...]
>> Another idea is to change the regexps and search only for
>> \inputencoding{...} and \usepackage[...]{inputenc} at the start of a
>> line. That's where they typically are. This will speed up the search
>> dramatically.
>
> That would probably be an ok compromise (between what is actually
> legal LaTeX and what is normally used). But the other approaches can
> do the trick I would prefer to avoid this.
You can avoid it by using Stefan's suggestion above. It is probably
faster than my idea, but a bit more work to implement.
Lute.
next prev parent reply other threads:[~2005-04-29 17:19 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <E1D7MTJ-0002Jj-BJ@fencepost.gnu.org>
2005-04-26 12:07 ` Your Emacs changes Arne Jørgensen
2005-04-28 11:58 ` Thien-Thi Nguyen
2005-04-29 12:11 ` latexenc-find-file-coding-system is slow. (was: Your Emacs changes) Lute Kamstra
2005-04-29 14:57 ` latexenc-find-file-coding-system is slow Arne Jørgensen
2005-04-29 15:48 ` Lute Kamstra
2005-04-29 16:13 ` Stefan Monnier
[not found] ` <877jil8rz5.fsf@arnested.dk>
2005-04-29 17:19 ` Lute Kamstra [this message]
2005-04-30 8:08 ` David Kastrup
2005-05-01 11:08 ` Lute Kamstra
2005-05-01 12:07 ` latexenc-find-file-coding-system is slow. (was: Your Emacs changes) Richard Stallman
[not found] ` <871x8m96p6.fsf@arnested.dk>
2005-05-11 11:48 ` latexenc-find-file-coding-system is slow Lute Kamstra
2005-05-11 17:21 ` Arne Jørgensen
2005-05-11 23:07 ` Lute Kamstra
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