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

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revision 1.46 by akim, Mon Mar 4 14:29:27 2002 UTC revision 1.47 by akim, Sun Apr 7 15:29:36 2002 UTC
# Line 96  print_fderives (void) Line 96  print_fderives (void)
96            {            {
97              short *rhsp;              short *rhsp;
98              fprintf (stderr, "\t\t%d:", j - 1);              fprintf (stderr, "\t\t%d:", j - 1);
99              for (rhsp = &ritem[rules[j].rhs]; *rhsp >= 0; ++rhsp)              for (rhsp = rules[j].rhs; *rhsp >= 0; ++rhsp)
100                fprintf (stderr, " %s", symbols[*rhsp]->tag);                fprintf (stderr, " %s", symbols[*rhsp]->tag);
101              fputc ('\n', stderr);              fputc ('\n', stderr);
102            }            }
# Line 173  set_firsts (void) Line 173  set_firsts (void)
173    for (i = ntokens; i < nsyms; i++)    for (i = ntokens; i < nsyms; i++)
174      for (j = 0; derives[i][j] >= 0; ++j)      for (j = 0; derives[i][j] >= 0; ++j)
175        {        {
176          int symbol = ritem[rules[derives[i][j]].rhs];          int symbol = rules[derives[i][j]].rhs[0];
177          if (ISVAR (symbol))          if (ISVAR (symbol))
178            bitset_set (FIRSTS (i), symbol - ntokens);            bitset_set (FIRSTS (i), symbol - ntokens);
179        }        }
# Line 262  closure (short *core, int n) Line 262  closure (short *core, int n)
262    for (ruleno = 0; ruleno < nrules + 1; ++ruleno)    for (ruleno = 0; ruleno < nrules + 1; ++ruleno)
263      if (bitset_test (ruleset, ruleno))      if (bitset_test (ruleset, ruleno))
264        {        {
265          int itemno = rules[ruleno].rhs;          int itemno = rules[ruleno].rhs - ritem;
266          while (c < n && core[c] < itemno)          while (c < n && core[c] < itemno)
267            {            {
268              itemset[nitemset] = core[c];              itemset[nitemset] = core[c];

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