Re: vm merged to master

[ludo@gnu.org (Ludovic Courtès)]

Hello!

Andy Wingo <wingo@pobox.com> writes:

> I went ahead and merged VM to master.

Great!

> Things went fine after a couple of
> manual merges, though `(procedure-property apply 'arity)' needs some
> work -- see the log for 5442b3a5989a118f2addf3190eab2e27d65e0658.

Right, that won't work if `apply' is a program.  The question is: what
should we do with procedure properties?  Before the VM, they could be
used both with subrs and Scheme closures.  I think it would be nice if
we could extend them so that they worked transparently with programs as
well, maybe by attaching per-program procedure properties lazily.  What
do you think?

> I should be happy but really I'm just tired ;) Can people please check
> this out, give it some pounding and report any errors to the list.
>
> Errors running external code modules are especially appreciated --
> existing code should still work, with very few exceptions.

The only troubles I had so far are:

  - the `object-ref' limitation to 256 objects;

  - `current-reader' not taken into account;

  - circular references among modules (previously worked around via
    autoloads) not supported---but this is a good thing, it's an
    opportunity to remove kludges.  :-)

I'll eventually proceed with the merge in the BDW-GC branches.

Thanks,
Ludo'.