[pypy-dev] Build and test failures

[Ben.Young at risk.sungard.com]

Thats great news. Congratuations to all of you!

Cheers,
Ben


Armin Rigo <arigo at tunes.org> wrote on 31/07/2005 20:24:12:

> Hi Ben,
> 
> On Fri, Jul 22, 2005 at 09:18:56AM +0100, Ben.Young at risk.sungard.com 
wrote:
> > So is a family of classes the set of any classes that can be assigned 
to a 
> > particular instance variable, even if they dont share a common base?
> > 
> > e.g:
> > 
> > class A:
> >         pass
> > 
> > class B:
> >         pass
> > 
> > foo = somebool ? A() : B()
> > 
> > Would it be simpler to require that all instances must at least be 
> > annotated to a common base, and fail to annotate if a not-base-defined 

> > method is called on the instance. Or is that really what you are 
already 
> > doing!?
> 
> Indeed, we track each class that can be in a particular variable,
> instead of (at this point) falling back to a common class, requiring
> that it exists.  While this would not be absolutely necessary for
> classes, we need the notion of "set of values" anyway for functions and
> for prebuilt constant instances.
> 
> > Do function PBCs all have to have the same signature, or can it vary?
> 
> It can vary to some extent.  We have code in rpython/normalizecalls.py
> that analyzes calls from a single place that can go to a family of
> functions, and that "normalizes" the functions -- i.e. modify their
> signature and insert conversions at the beginning of the functions if
> needed, so that they all get exactly the same signature.
> 
> > Anyway, thanks for the reply! As illuminating as ever. I guess with 
the 
> > rtyping, the first flush of exciting coding has gone and you are down 
to 
> > the grinding out bugs stage. Are you pleased with the way things have 
gone 
> > or are there any chages you would make to the architecture now?
> 
> Given that we succeeded in translating the whole of PyPy yesterday --
> sorry for the long delay again in answering -- I guess that yes, I'm
> pretty much pleased in general with the way everything has gone :-)
> 
> > P.S os.ftruncate doesn't exist on windows I'm afraid, so most of the 
tests 
> > fail at the moment
> 
> Thanks for the report.  It still fails on Windows, indeed...
> 
> 
> A bientot,
> 
> Armin
>