[myhdl-list] Move to ast package completed

[Jan D. <ja...@ja...>]

In the past weeks, I have completed the move to the
ast package to replace the compiler package.

This is done in the default development branch and
requires Python 2.6. It was necessary to prepare for
the future, as the compiler package is deprecated.
With this rewrite, we are ready for new developments
including the eventual move to Python 3.x.

This has been an intensive major rewrite with
(hopefully) no changes to MyHDL users :-(. With a thing
like this, there's no choice but to "jump" at a certain
point. Initially, everything breaks down and all
unit tests fail. They have to be conquered again, one
at a time.

The unit tests proved their merit. When one started
working, typically the others still failed. This means
that they test different things of the implementation,
as they should.

It is very well possible that you will still find
conversion errors with your code. This would mean that
the unit test suite is not complete enough. This is
a good time to check this. If you find errors that
were not there previously, additional unit tests
will have to be written.

I would appreciate if some of you would try the new
code on your designs. However - this requires updating
to the default branch in development, and it requires
Python 2.6 (imposed by the ast package). There's no
hurry. However, new convertor developments will be
based on the new code.

Jan

-- 
Jan Decaluwe - Resources bvba - http://www.jandecaluwe.com
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