Lines Matching defs:useful
13 Bison is distributed in the hope that it will be useful,
74 /* A production is useful if all of the nonterminals in its appear
75 in the set of useful nonterminals. */
111 nonterminals in the RHS are in useful. Only productions not in
113 saved to be used when finding useful productions: only
168 /* If the start symbol isn't useful, then nothing will be useful. */
201 /* Tokens 0, 1, and 2 are internal to Bison. Consider them useful. */
243 rules[r].useful = bitset_test (P, r);
247 /* Map the nonterminals to their new index: useful first, useless
250 int useful = 0;
255 rules_sorted[rules[r].useful ? useful++ : useless++] = rules[r];
293 /* Map the nonterminals to their new index: useful first, useless
