NQP question to add a null value node

[Gerd Pokorra]

Am Freitag, den 04.03.2011, 15:03 +0100 schrieb Moritz Lenz:
> Am 04.03.2011 14:15, schrieb Patrick R. Michaud:
> > On Fri, Mar 04, 2011 at 01:11:43PM +0100, Gerd Pokorra wrote:
> >> How can I add a node with the value null with NQP?
> >> method value:sym<null>($/) {
> >>     #  ????
> >> }
> >
> > Perhaps...?
> >
> >      method value:sym<null>($/) {
> >          pir::null();
> 
> Should be:
> 
> pir::null__p()
> 
> Seems it doesn't know the signature of the 'null' opcode.
> 

It gives no value back.

Something like this:

    method value:sym<null>($/) {
        my $pir := 'dummy';
        make PAST::Val.new( :value($pir), :node($/) );
    }

gives back the value 'dummy', but how to get the correct value in the
$pir variable?

-- Gerd