Akim Demaille 68f1e3edc3 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.

2001-11-30 10:49:24 +00:00

..

.cvsignore

Adjust.

2001-10-04 15:12:55 +00:00

atlocal.in

* tests/calc.at, tests/output.at, tests/regression.at,

2001-11-14 15:20:47 +00:00

bison.in

Merge in branch-1_29.

2001-10-04 14:55:21 +00:00

calc.at

* tests/calc.at [AT_DATA_CALC_Y]: Use %error-verbose instead

2001-11-29 20:48:45 +00:00

Makefile.am

* tests/reduce.at (Useless Terminals, Useless Nonterminals): New.

2001-11-28 11:43:24 +00:00

Makefile.in

* tests/reduce.at (Useless Terminals, Useless Nonterminals): New.

2001-11-28 11:43:24 +00:00

output.at

* tests/calc.at, tests/output.at, tests/regression.at,

2001-11-14 15:20:47 +00:00

reduce.at

Instead of mapping the LHS of unused rules to -1, keep the LHS

2001-11-30 10:49:24 +00:00

regression.at

* src/reduce.c (reduce_output): Formatting changes.

2001-11-30 10:49:01 +00:00

testsuite.at

* tests/reduce.at (Useless Terminals, Useless Nonterminals): New.

2001-11-28 11:43:24 +00:00

torture.at

* tests/torture.at [AT_DATA]: Remove YYERROR_VERBOSE definition.

2001-11-27 20:46:12 +00:00