From: Nordlöw <per.nordlow@gmail.com>
To: help-gnu-emacs@gnu.org
Subject: Re: Error-Free Navigation in Trees of Sub-Expressions (sexp) in Font-Locking Function Matchers
Date: Wed, 8 Oct 2008 07:30:56 -0700 (PDT) [thread overview]
Message-ID: <a741603a-3235-4428-ad6a-232621182a60@g17g2000prg.googlegroups.com> (raw)
In-Reply-To: mailman.565.1223475359.25473.help-gnu-emacs@gnu.org
On 8 Okt, 16:15, Nikolaj Schumacher <m...@nschum.de> wrote:
> Nordlöw <per.nord...@gmail.com> wrote:
> > What is the most clever way of checking when we are at the last sexp
> > (forward-sexp will fail as mentioned above)?
>
> You could use either:
>
> (condition-case err
> (while t
> (forward-sexp)
> ...)
> (scan-error . nil))
>
> to break the loop on an error, or:
>
> (while (ignore-errors (forward-sexp) t)
> ...)
>
> to get a nil when forward-sexp fails.
>
> regards,
> Nikolaj Schumacher
Superb!
One can do everything in elisp, if you only know how ;)
/Nordlöw
prev parent reply other threads:[~2008-10-08 14:30 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-10-08 12:24 Error-Free Navigation in Trees of Sub-Expressions (sexp) in Font-Locking Function Matchers Nordlöw
2008-10-08 12:31 ` Nordlöw
2008-10-08 14:15 ` Nikolaj Schumacher
[not found] ` <mailman.565.1223475359.25473.help-gnu-emacs@gnu.org>
2008-10-08 14:30 ` Nordlöw [this message]
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