Re: Verilog 2000 attributes

From: James A. Markevitch (jam@magic.com)
Date: Thu Feb 10 2000 - 20:37:46 PST


> > Can I ask that someone load up the BNF for these attributes into a
> > yacc grammar, and see if this is going to work?
>
> James did this to find the original problems, but I don't know that he
> will have time for more testing.

I just had the chance to try a couple of things in the BNF. I used the
draft 4 BNF and added attributes as optional prefixes to statements,
function_statements, and the _or_null versions of them. I also removed
attributes from the always, initial, seq_block, par_block, and if/else
statements. All of this results in a grammar which does not include
any extra ambiguities over what was in draft 4.

James Markevitch



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