[Python-Dev] C AST to Python discussion (original) (raw)

Brett Cannon brett at python.org
Thu Feb 16 07:15:33 CET 2006

On 2/15/06, Nick Coghlan <ncoghlan at gmail.com> wrote:

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.

Yeah, I would want it to be a separate part as well.

-Brett

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