references to yacc(1) grammar tools sought

dws@cs.wisc.edu (DaviD W. Sanderson)
Thu, 31 Jan 91 17:58:52 CST

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references to yacc(1) grammar tools sought dws@cs.wisc.edu (1991-01-31)
Re: references to yacc(1) grammar tools sought grosch@gmdka.uucp (Josef Grosch) (1991-02-07)
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From: dws@cs.wisc.edu (DaviD W. Sanderson)
Keywords: yacc, debug, question
Organization: Compilers Central
Date: Thu, 31 Jan 91 17:58:52 CST

I am looking for references to tools for manipulating or debugging
yacc grammars.


For instance, one such tool might illustrate ambiguities in a grammar
by exhibiting sequences of grammar symbols that can be parsed more than
one way (and hopefully showing at least two derivation trees). It can
be hard to debug a grammar with the y.output file that yacc produces
since conflicts can occur in a very different part of the grammar than
where the fix "really should" be made.


I would appreciate ideas for other sorts of tools for grammar debugging
or manipulating.


DaviD W. Sanderson (dws@cs.wisc.edu)
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