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Wed Feb 15 20:26:24 CET 2006 · https://mail.python.org/pipermail/python-dev/2006-February/061045.html

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

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