Tree transformation programs?

[Ira Baxter]

This isn't in Python, but the DMS Software Reengineering Toolkit
can parse many languages and carry out source-to-source
term rewrites (implemented as tree-transformations internally).
Believe me, its a lot of work to build such a beast.
[The tree-transform core might appear simple, but when
you add scale and AC rewrites, even that isn't easy].
See http://www.semdesigns.com/Products/DMS/DMSToolkit.html.

--
Ira D. Baxter, Ph.D., CTO   512-250-1018
Semantic Designs, Inc.      www.semdesigns.com

"Simon Burton" <simonb at webone.com.au> wrote in message
news:pan.2003.02.13.12.30.16.84894 at webone.com.au...
> On Wed, 12 Feb 2003 10:08:55 +0000, Edward C. Jones wrote:
>
> > Are there any programs written in Python for transforming trees,
> > especially AST trees? The input should be
> >
> > A tree that is produced by a C parser.
> > Rules for matching patterns in trees.
> > Transformations to be done on the input if a pattern is matched..
>
> What are you up to ?
>
> I was asking about term rewriting here a while back.
>
> here is my work so far:
>
> http://arrowtheory.com/software/python/index.html
>
> Simon Burton.
>