Re: Proposed ASDF modification

[email protected] writes:

I've merged the OPERATE part of this, but didn't do the BIGGER-VERSION
thing yet.

As the manual is currently blantantly lying about the interface (it
claims we have an operation called TEST-SYSTEM-VERSION -- we don't, we
just export the symbol -- and implies that this operation is
responsible for the :VERSION logic, which definitely isn't true) I
wanted to think a bit more about how to go about the rest.

My gut feeling would be to export VERSION-SATISFIES so that components
can specialize on it, specialize it on two strings to do what
BIGGER-VERSION does on lists of integers, and move the slot-unboundp
logic to an around method.

...but at that point TEST-SYSTEM-VERSION becomes quite unnecessary and
should be exiced from the documented interface (and possibly the
export list too).

The alternative would be to implement VERSION-SATISFIES as

 (defun version-satisfies (component version)
   (perform (make-instance 'test-system-version :min-version version)
            component))

which would keep the documented interface intact, but change the
actual implemtation rather more. (I doubt that anyone has actually
been specializing the unexported VERSION-SATISFIES, but you never
know).

Oh fun.

By the by, the tests are back in working order.

Cheers,

  -- Nikodemus              Schemer: "Buddha is small, clean, and serious."
                   Lispnik: "Buddha is big, has hairy armpits, and laughs."



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