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Postorder traversal of AST during validation. [message #759799]

Wed, 30 November 2011 01:48

Eclipse User

Xtext validation checks are executed in preorder traversal of the AST. This is quite inconvenient in particular for expressions where one often wants postorder (subexpressions validated first). Is it possible to configure the traversal that is used during validation?

Thanks,
Victor

Re: Postorder traversal of AST during validation. [message #759813 is a reply to message #759799]

Wed, 30 November 2011 02:48

Eclipse User

Hi Victor,

you may want to bind your own CancellableDiagnostician and customize the
model traversal there.

Regards,
Sebastian
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Am 30.11.11 07:48, schrieb Victor Zverovich:
> Xtext validation checks are executed in preorder traversal of the AST.
> This is quite inconvenient in particular for expressions where one often
> wants postorder (subexpressions validated first). Is it possible to
> configure the traversal that is used during validation?
>
> Thanks,
> Victor

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