From: Michael Heerdegen <michael_heerdegen@web.de>
To: help-gnu-emacs@gnu.org
Subject: Re: looping through re-seach-forward gives error
Date: Sun, 20 Mar 2016 23:21:15 +0100 [thread overview]
Message-ID: <87wpowkcys.fsf@web.de> (raw)
In-Reply-To: 8982c2b1-5f5d-4e92-9472-fe895384552d@default
Drew Adams <drew.adams@oracle.com> writes:
> > (defun find-start-of-sexp ()
> > (re-search-forward "(" (point-max) t)
> > (backward-char)
> > (point-marker))
>
> What happens if (re-search-forward "(" (point-max) t) returns nil?
>
> > (defun find-end-of-sexp ()
> > (forward-sexp)
> > (point-marker))
>
> What happens if (forward-sexp) has a problem?
Also: what happens when there are prompts which are directly followed by
another prompt?
I suggest to use Edebug to see what's going on. Just instrument your
stuff (C-u C-M-x), start your program, and hit SPC, SPC, ... to see
what's going on.
Michael.
prev parent reply other threads:[~2016-03-20 22:21 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-20 21:48 looping through re-seach-forward gives error jenia.ivlev
2016-03-20 22:13 ` Drew Adams
2016-03-20 22:21 ` Michael Heerdegen [this message]
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