Akim Demaille
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7d13ff5f2f
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* tests/reduce.at (Useless Nonterminals): Fix.
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2001-11-30 11:15:02 +00:00 |
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Akim Demaille
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68f1e3edc3
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Instead of mapping the LHS of unused rules to -1, keep the LHS
valid, but flag the rules as invalid.
* src/gram.h (rule_t): `useful' is a new member.
* src/print.c (print_grammar): Adjust.
* src/derives.c (set_derives): Likewise.
* src/reader.c (packgram, reduce_output): Likewise.
* src/reduce.c (reduce_grammar_tables): Likewise.
* tests/reduce.at (Underivable Rules, Useless Rules): New.
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2001-11-30 10:49:24 +00:00 |
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Akim Demaille
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d2d1b42b07
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* src/reduce.c (reduce_output): Formatting changes.
* src/print.c (print_results, print_grammar): Likewise.
* tests/regression.at (Rule Line Numbers)
(Solved SR Conflicts, Unresolved SR Conflicts): Adjust.
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2001-11-30 10:49:01 +00:00 |
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Akim Demaille
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760b53a84b
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* src/reduce.c (nonterminals_reduce): Instead of throwing away
useless nonterminals, move them at the end of the symbol arrays.
(reduce_output): Adjust.
* tests/reduce.at (Useless Nonterminals): Adjust.
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2001-11-30 10:48:14 +00:00 |
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Akim Demaille
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cb4956ee99
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* tests/reduce.at (Useless Terminals, Useless Nonterminals): New.
* src/reduce.c (reduce_grammar_tables): Do not free useless tags,
as all tags are free'ed afterwards.
From Enrico Scholz.
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2001-11-28 11:43:24 +00:00 |
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