[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: Opaque syntax objects
Andre van Tonder <andre@xxxxxxxxxxxxxxxxxxx> writes:
> Mike Sperber wrote:
> > To make it work efficiently, you'd have
> > to bring weakness in---a lot of machinery to duplicate functionality
> > that would trivially work if syntax objects were abstract and thus
> > extensible.
> I would differ on "trivially" ;-) Reading through the psyntax implementation,
> I think complexity would be pretty much conserved no matter how you do it.
I'm not sure I understand: Last I looked, the psyntax implementation
had no source-location tracking at all. Also, I don't think Chez's
implementation tracks the location of compound expressions. How does
this allow you inferences about the complexity of implementing it?
Cheers =8-} Mike
Friede, Völkerverständigung und überhaupt blabla