/[bison]/bison/src/nullable.c
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Diff of /bison/src/nullable.c

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revision 1.32 by akim, Wed Jul 3 10:54:33 2002 UTC revision 1.33 by akim, Thu Jul 25 17:30:44 2002 UTC
# Line 102  set_nullable (void) Line 102  set_nullable (void)
102          else          else
103            {            {
104              /* This rule has an empty RHS. */              /* This rule has an empty RHS. */
105              assert (rule_number_of_item_number (rule->rhs[0]) == ruleno);              assert (item_number_as_rule_number (rule->rhs[0]) == ruleno);
106              if (rule->useful && !nullable[rule->lhs->number])              if (rule->useful && !nullable[rule->lhs->number])
107                {                {
108                  nullable[rule->lhs->number] = 1;                  nullable[rule->lhs->number] = 1;

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