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From: Marcin Borkowski <mbork@wmi.amu.edu.pl>
To: Help Gnu Emacs mailing list <help-gnu-emacs@gnu.org>
Subject: Re: scan-sexps throws an error - are there any substitutes?
Date: Fri, 27 Mar 2015 13:07:41 +0100	[thread overview]
Message-ID: <87r3sa3ape.fsf@wmi.amu.edu.pl> (raw)
In-Reply-To: <57492c9d-d615-4854-bcb3-556acf55aeaa@default>


On 2015-03-27, at 00:12, Drew Adams <drew.adams@oracle.com> wrote:

>> 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. ;-)

What a surprise! ;-)

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

This will probably be better, thanks!

Best,

-- 
Marcin Borkowski
http://octd.wmi.amu.edu.pl/en/Marcin_Borkowski
Faculty of Mathematics and Computer Science
Adam Mickiewicz University



      reply	other threads:[~2015-03-27 12:07 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
2015-03-27 12:07   ` Marcin Borkowski [this message]

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