[Python-Dev] Re: Decorators: vertical bar syntax

[David Eppstein]

In article <cf9qla$aer$1 at sea.gmane.org>,
 "Fredrik Lundh" <fredrik at pythonware.com> wrote:

> > I think quoted string recognition in Python is still regular, not
> > context-free.  Anyway, the syntax highlighters in editors that I've used
> > don't seem to have a problem with it.
> 
> shouldn't a simple parenthesis counter suffice?  you have to count
> parens in many cases anyway (e.g. to find function bodies).

I think it would suffice (with some care to ignore parens in comments 
and strings, and assuming there aren't any mismatches), but counting is 
not something you can do in a regexp.

-- 
David Eppstein
Computer Science Dept., Univ. of California, Irvine
http://www.ics.uci.edu/~eppstein/