Bison/Yacc grammar tool wanted

I'm looking for a tool that will:


[1] Print a list of rules and line numbers of all rules whose
        subrules have already been printed above. This would give
        me the order that I add semantic productions (i.e. I would know
        the semantic behavior of everything underneath.)


[2] List all rules used only once, etc. so I could simplify the
        grammar.


Does such a beast exist? Any help would be appreciated (including a
yacc grammar that I can use to write one.)


Steve Boswell
whatis@ucsd.edu
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