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