[Python-Dev] C AST to Python discussion

["Martin v. Löwis"]

Thomas Wouters wrote:
> I would personally prefer the AST validation to be a separate part of the
> compiler. It means the one or the other can be out of sync, but it also
> means it can be accessed directly (validating AST before sending it to the
> compiler) and the compiler (or CFG generator, or something between AST and
> CFG) can decide not to validate internally generated AST for non-debug
> builds, for instance.

That's how the ast-objects branch currently works. There is a method
checking that the tree actually conforms to the grammar.

Regards,
Martin