unofficial mirror of help-gnu-emacs@gnu.org
 help / color / mirror / Atom feed
From: Drew Adams <drew.adams@oracle.com>
To: Marcin Borkowski <mbork@wmi.amu.edu.pl>,
	Help Gnu Emacs mailing list <help-gnu-emacs@gnu.org>
Subject: RE: scan-sexps throws an error - are there any substitutes?
Date: Thu, 26 Mar 2015 16:12:12 -0700 (PDT)	[thread overview]
Message-ID: <57492c9d-d615-4854-bcb3-556acf55aeaa@default> (raw)
In-Reply-To: <87sicrgy5i.fsf@wmi.amu.edu.pl>

> scan-sexps throws an error if it cannot move as many sexps as I want.
> This is fine in interactive use, but not really helpful in Lisp code I’m
> writing.  (For the curious: I’m trying to write a solid SLOC-counting
> function, and I need moving by sexps to determine whether a string is
> a docstring, which I want to exclude from the count.)  Any ideas what to
> do?  I could rewrite it in Elisp, but is it a good idea?  I doubt so.
> 
> NB. I don't really use scan-sexps, I use backward-sexp, which is
> seemingly a higher level function – but, unlike search functions, it
> doesn't have a “noerror” argument.

You can wrap any code in `ignore-errors' to, well, ignore errors. ;-)

You can also use `condition-case' to ignore particular signals.



  reply	other threads:[~2015-03-26 23:12 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-03-26 23:02 scan-sexps throws an error - are there any substitutes? Marcin Borkowski
2015-03-26 23:12 ` Drew Adams [this message]
2015-03-27 12:07   ` Marcin Borkowski

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=57492c9d-d615-4854-bcb3-556acf55aeaa@default \
    --to=drew.adams@oracle.com \
    --cc=help-gnu-emacs@gnu.org \
    --cc=mbork@wmi.amu.edu.pl \
    /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.
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).