[Python-Dev] Re: Decorators: vertical bar syntax
eppstein at ics.uci.edu
Mon Aug 9 22:49:20 CEST 2004
In article <cf8l1e$9rk$1 at sea.gmane.org>,
"Fredrik Lundh" <fredrik at pythonware.com> wrote:
> David Eppstein wrote:
> > With @, a third party tool has an unambiguous indication of whether a
> > line is a decorator. With |, it is not possible to recognize decorators
> > with a regular expression, instead you have to do some context-free
> > parsing to determine whether some previous line has an unclosed paren
> > (in which case the | is a binop rather than a decorator).
> @decorator #"
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.
Computer Science Dept., Univ. of California, Irvine
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