Bison/Yacc grammar tool wanted

Steve Boswell <>
3 Nov 91 23:06:32 GMT

          From comp.compilers

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Newsgroups: comp.compilers
From: Steve Boswell <>
Keywords: yacc, debug
Organization: University of California, San Diego
Date: 3 Nov 91 23:06:32 GMT

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

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

Steve Boswell

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