RE: [sv-bc] RE: [sv-ec] Multidim array of interfaces - supported?

Also, the BNF does not allow a part-select_range select to be followed
by an additional field select. 

Shalom


> -----Original Message-----
> From: owner-sv-ec@server.eda.org 
> [mailto:owner-sv-ec@server.eda.org] On Behalf Of Greg Jaxon
> Sent: Thursday, March 27, 2008 8:02 PM
> To: danielm
> Cc: 'Brad Pierce'; sv-ec@server.eda.org; sv-bc@server.eda.org
> Subject: Re: [sv-bc] RE: [sv-ec] Multidim array of interfaces 
> - supported?
> 
> danielm wrote:
> > In the example from previous email slice from array of instances is 
> > used on port list. Can it be used in other places like ie:
> 
> >     module sub;
> >         int data;
> >     endmodule
> >     module top;
> >         sub uut[0:9]();
> >         initial uut[1:4].data = 1; //???????? legal
> >     endmodule
> > 
> > DANiel
> 
> I don't believe there are any other uses than in port lists 
> of module or interface instantiations.  In the above example, 
> even an array of structures would not be usable.  For an 
> array of instances, the general case here is that each "data" 
> item could have a distinct type.  This makes it impossible to 
> produce a homotypic array as result from such expressions.  
> Also, SV aggregate expressions (which would govern such forms 
> of reference) are limited to yielding contiguous bit streams 
> when they make selections (i.e. in flat storage they all 
> reduce to a vector-part select of some bits).
> 
> Greg Jaxon
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