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| From | Paul B Mann <paul@paulbmann.com> |
| Newsgroups | comp.compilers |
| Subject | Re: How detect cycle in grammar ? |
| Date | Thu, 1 Dec 2011 02:46:16 -0800 (PST) |
| Organization | Compilers Central |
| Lines | 21 |
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| References | <11-11-041@comp.compilers> <11-11-045@comp.compilers> <11-11-050@comp.compilers> <11-11-057@comp.compilers> <11-11-066@comp.compilers> <11-11-068@comp.compilers> |
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| Keywords | parse, errors |
| Posted-Date | 02 Dec 2011 00:30:30 EST |
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| Xref | x330-a1.tempe.blueboxinc.net comp.compilers:376 |
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The LRSTAR parser generator reports two errors in this grammar: S -> A|B A -> A B -> t LRSTAR Basic 3.0.137 Copyright 2011 Compilerware. Input silly.grm silly.grm(6) : A -> A silly.grm(6) : ---^ silly.grm(6) : Useless production. silly.grm(6) : A silly.grm(6) : ---^ silly.grm(6) : Nonterminal symbol in cycle, cannot derive anything. 0 min 0.000 sec, 0.728 MB, 0 warnings, 2 errors.
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How detect cycle in grammar ? Borneq <a.moderacja@gmail.com> - 2011-11-20 08:48 -0800
Re: How detect cycle in grammar ? Hans Aberg <haberg-news@telia.com> - 2011-11-21 18:14 +0100
Re: How detect cycle in grammar ? Gene <gene.ressler@gmail.com> - 2011-11-21 10:20 -0800
Re: How detect cycle in grammar ? anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2011-11-22 15:20 +0000
Re: How detect cycle in grammar ? Quinn Tyler Jackson <quinn_jackson2004@yahoo.ca> - 2011-11-25 22:28 -0800
Re: How detect cycle in grammar ? Gene <gene.ressler@gmail.com> - 2011-11-27 10:18 -0800
Re: How detect cycle in grammar ? Borneq <a.moderacja@gmail.com> - 2011-11-23 12:56 -0800
Re: How detect cycle in grammar ? Borneq <a.moderacja@gmail.com> - 2011-11-24 09:24 -0800
Re: How detect cycle in grammar ? Gene <gene.ressler@gmail.com> - 2011-11-27 10:27 -0800
Re: How detect cycle in grammar ? anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2011-11-28 16:46 +0000
Re: How detect cycle in grammar ? glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2011-11-29 07:31 +0000
Re: How detect cycle in grammar ? Paul B Mann <paul@paulbmann.com> - 2011-12-01 02:46 -0800
Re: How detect cycle in grammar ? Quinn Tyler Jackson <quinn_jackson2004@yahoo.ca> - 2011-12-02 09:20 -0800
Re: How detect cycle in grammar ? Gene <gene.ressler@gmail.com> - 2011-12-07 06:29 -0800
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