RE: scan-sexps throws an error - are there any substitutes?

[Drew Adams <drew.adams@oracle.com>]

> 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.