Adding get_pointer VTABLEs to the Integer PMC

[Jonathan "Duke" Leto]

Howdy,

> And you would need to "pin" the pointer for the gc, not to move it.
> If we would use a moving or copying gc somewhen.
> Same problem as with ffi callbacks.

I don't think so. I don't care too much about what get_pointer returns, just
that it *does* return something and is a valid API call. I just added some
extend_vtable tests and they pass:

https://github.com/parrot/parrot/commit/ab4fd23d68101d4c5652eee835356128528ec792

Does this diff look reasonable to merge?

https://github.com/parrot/parrot/compare/leto/get_pointer

Duke


-- 
Jonathan "Duke" Leto <jonathan at leto.net>
Leto Labs LLC http://labs.leto.net
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