[sv-bc] Clarification request for Mantis 3233

Hi SV-BC,

SV-AC was requested to review Mantis 3233: implicit wire declarations should occur in instantiations of programs/interfaces also.

To do this we need to understand the rationale of this proposal.

Our understanding is that this feature is useful to specify module connectivity, e.g.,

M1 m1(a, b);
M2 m2(b, a);

It does not look that this is that useful for checkers:

C1 c1(a, ...);
M1 m1(a, ...);

If this is done for uniformity then why procedural checker instantiation is different? E.g.,

always C1 c1(a, ...);
M1 m1(a, ...);

Note, however, that the proposed definition is not going to work in case when there when a checker is instantiated in another checker:

checker C1(...);
                C2 c2(a, ...);
                C3 c3(a, ...);
                ...
endchecker

because there are no nets in checkers.

Thanks,
Dmitry

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