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Re: [netmod] Request to review the YANG compiler annotations draft.

worley@ariadne.com (Dale R. Worley) Wed, 06 July 2016 01:38 UTC

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Subject: Re: [netmod] Request to review the YANG compiler annotations draft.
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Martin Bjorklund <mbj@tail-f.com> writes:
> "vinods.kumar" <vinods.kumar@huawei.com> wrote:
>>     We have written a draft, to add annotation in YANG definition which can
>> be used by the YANG compilers.
>
>   1)  What you propose is not valid YANG.  This new syntax would
>       require a new version of the YANG language.

I must vigorously agree with the other commentators that if the
annotations are permitted to be in-line in a Yang module, then you must
develop a syntax that is valid Yang.  Otherwise, an annotated Yang file
isn't processable by an arbitrary Yang processor, it is bound to a
special processor, and isn't really a Yang file at all.

If the concept of more-or-less implementation independent annotations is
adopted, it seems to be best to put it conceptually in the framework by
which one Yang module extends another module.

Dale

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