You should have received a copy of the GNU General Public License
along with Bison; see the file COPYING. If not, write to
- the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
+ the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ Boston, MA 02110-1301, USA. */
/* Reduce the grammar: Find and eliminate unreachable terminals,
{
int useful = 0;
int useless = nrules - nuseless_productions;
- rule *rules_sorted = MALLOC (rules_sorted, nrules);
+ rule *rules_sorted = xnmalloc (nrules, sizeof *rules_sorted);
rule_number r;
for (r = 0; r < nrules; ++r)
rules_sorted[rules[r].useful ? useful++ : useless++] = rules[r];
/* Map the nonterminals to their new index: useful first, useless
afterwards. Kept for later report. */
- symbol_number *nontermmap = CALLOC (nontermmap, nvars);
+ symbol_number *nontermmap = xnmalloc (nvars, sizeof *nontermmap);
n = ntokens;
for (i = ntokens; i < nsyms; i++)
if (bitset_test (V, i))
/* Shuffle elements of tables indexed by symbol number. */
{
- symbol **symbols_sorted = MALLOC (symbols_sorted, nvars);
+ symbol **symbols_sorted = xnmalloc (nvars, sizeof *symbols_sorted);
for (i = ntokens; i < nsyms; i++)
symbols[i]->number = nontermmap[i - ntokens];