Am Mittwoch, 1. November 2006 10:57 schrieb Nicholas Clark:
> When serialising data structures, is parrot going to need to serialise any
> anonymous or otherwise run time generated classes?
Yep, and it does so already.
> If so, isn't this mechanism going to be capable of achieving "compile time"
> class generation?
Indeed. There's a hackish implementation[1] for achieving compile-time class
(and object) creation:
$ cat t/pmc/sub_42.pir
.sub make_obj :immediate, :anon
.local pmc cl, o
cl = newclass "Foo"
addattribute cl, 'x'
o = new 'Foo'
$P0 = new String
$P0 = "ok 1\n"
setattribute o, 'x', $P0
.return (o)
.end
.sub main :main
.const .Sub o = "make_obj"
$P0 = getattribute o, 'x'
print $P0
.end
$ ./parrot -o s42.pbc t/pmc/sub_42.pir
$ ./parrot -t s42.pbc
23 set P1, PC8 ...
26 getattribute P0, P1, "x" ... P1=Object(Foo)= ...
30 print P0 P0=String=PMC(0xb61440 Str:"ok 1\n")
ok 1
32 end
(trace edited for clarity)
But attaching the namespace to the class still suffers from the mentioned
problem, only earlier so.
> Nicholas Clark
leo
[1] the return result of the :immediate (if any) replaces the subroutine
object.
