Re: [YANG] combining sub-modules

Andy Bierman writes:
>So the compiler needs to ignore any 'duplicate object' errors
>that occur from the A-C, B-C scenario, but if A and B use
>the same top-level object name, it is a fatal error?
>Top-level definitions can be imported from foo, regardless
>of module or submodule location.

The decision is up to the compiler, but my take is that the compiler
should parse modules and submodules individually, keeping the data
organized into modules and submodules.  When it sees an import or
include for something it's already parsed, it can reference the
parsed data, not redo the work.  So "ignore" in a sense, but not
in the #once sense.

If A and B both define the same top-level object name, it's an
error, since they are in the same namespace.  B can augment A's
objects (and vice versa), but not redefine them.

Thanks,
 Phil

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