Lines Matching refs:useful
9 # This program is distributed in the hope that it will be useful,
42 %token useful
44 exp: useful;
86 %token useful
88 exp: useful;
132 %token useful
134 exp: useful;
221 /* A useful one. */
222 %token useful
228 exp: useful { /* A useful action. */ }
232 not_reachable: useful { /* A not reachable action. */ }
246 not-reduced.y:14.16-56: warning: useless rule: not_reachable: useful
258 3 not_reachable: useful
267 /* A useful one. */
268 %token useful
274 exp: useful { /* A useful action. */ }
278 //not_reachable: useful { /* A not reachable action. */ }
308 %token useful
310 exp: useful | underivable;