[Python-Dev] C AST to Python discussion

Nick Coghlan ncoghlan at gmail.com
Wed Feb 15 11:29:45 CET 2006

Thomas Wouters wrote:
> On Wed, Feb 15, 2006 at 07:28:36PM +1000, Nick Coghlan wrote:
>> On the 'unusable AST' front, if AST transformation code creates illegal
>> output, then the main thing is to raise an exception complaining about
>> what's wrong with it. I believe that may need a change to the compiler
>> whether the modified AST was serialised or not.
> 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.
> I like both those reasons.

Aye, I was thinking much the same thing.


Nick Coghlan   |   ncoghlan at gmail.com   |   Brisbane, Australia

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