[Python-Dev] Re: PyChecker 2 (changed subject)

[Neal Norwitz]

Jeremy Hylton wrote:
> 
> On Thu, 14 Mar 2002 18:11:26 -0500
>  Guido van Rossum <guido@python.org> wrote:
> > > pychecker2 is a complete rewrite using the stdlib
> > compiler
> > > package.  There are only about 10 warnings generated so
> > far.
> > > One of the goals is to support Jython.  Although,
> > > we have only used CPython so far.
> >
> > Hm, but doesn't the compiler package use the parser
> > module?  Does
> > Jython support the parser module?  I'd be very surprised,
> > since it
> > uses different parsing technology...
> 
> The stdlib compiler package relies on the builtin parser
> module.  It converts the concrete syntax returned by the
> parser module to an AST.  It should be possible to write a
> similar transformer for jython that converts from its
> internal parser representation to the same AST.
> 
> On the other hand, I plan to work on a new AST for the
> compiler builtin to the interpreter.  I expect it will be
> quite similar to the compiler package's AST, but perhaps not
> exactly the same.  It might be better if CPython and Jython
> standardized an AST as part of the 2.3 development cycle.
> Then pychecker2 could use it.

I think this is a great idea!  Let me know if I can help.

Neal