X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/613f5e1a895b0742c9b6c5e9461e4cf3f7389d7e..f377f69fec28013c79db4efe12bbb9d48987fb2c:/src/closure.c?ds=sidebyside

diff --git a/src/closure.c b/src/closure.c
index 02d275a7..3d5ac28d 100644
--- a/src/closure.c
+++ b/src/closure.c
@@ -99,11 +99,8 @@ print_fderives (void)
       fprintf (stderr, "\t%s derives\n", symbols[i]->tag);
       BITSET_FOR_EACH (iter, FDERIVES (i), r, 0)
 	{
-	  item_number_t *rhsp = NULL;
-	  fprintf (stderr, "\t\t%d:", r - 1);
-	  for (rhsp = rules[r].rhs; *rhsp >= 0; ++rhsp)
-	    fprintf (stderr, " %s", symbols[*rhsp]->tag);
-	  fputc ('\n', stderr);
+	  fprintf (stderr, "\t\t%3d ", r);
+	  rule_rhs_print (&rules[r], stderr);
 	}
     }
   fprintf (stderr, "\n\n");
@@ -128,20 +125,20 @@ set_firsts (void)
   firsts = bitsetv_create (nvars, nvars, BITSET_FIXED);
 
   for (i = ntokens; i < nsyms; i++)
-    for (j = 0; derives[i][j] >= 0; ++j)
+    for (j = 0; derives[i][j]; ++j)
       {
-	int symbol = rules[derives[i][j]].rhs[0];
+	int symbol = derives[i][j]->rhs[0];
 	if (ISVAR (symbol))
 	  bitset_set (FIRSTS (i), symbol - ntokens);
       }
 
-  if (trace_flag)
+  if (trace_flag & trace_sets)
     bitsetv_matrix_dump (stderr, "RTC: Firsts Input", firsts);
   bitsetv_reflexive_transitive_closure (firsts);
-  if (trace_flag)
+  if (trace_flag & trace_sets)
     bitsetv_matrix_dump (stderr, "RTC: Firsts Output", firsts);
 
-  if (trace_flag)
+  if (trace_flag & trace_sets)
     print_firsts ();
 }
 
@@ -161,17 +158,17 @@ set_fderives (void)
   symbol_number_t i, j;
   rule_number_t k;
 
-  fderives = bitsetv_create (nvars, nrules + 1, BITSET_FIXED);
+  fderives = bitsetv_create (nvars, nrules, BITSET_FIXED);
 
   set_firsts ();
 
   for (i = ntokens; i < nsyms; ++i)
     for (j = ntokens; j < nsyms; ++j)
       if (bitset_test (FIRSTS (i), j - ntokens))
-	for (k = 0; derives[j][k] > 0; ++k)
-	  bitset_set (FDERIVES (i), derives[j][k]);
+	for (k = 0; derives[j][k]; ++k)
+	  bitset_set (FDERIVES (i), derives[j][k]->number);
 
-  if (trace_flag)
+  if (trace_flag & trace_sets)
     print_fderives ();
 
   bitsetv_free (firsts);
@@ -184,7 +181,7 @@ new_closure (int n)
 {
   itemset = XCALLOC (item_number_t, n);
 
-  ruleset = bitset_create (nrules + 1, BITSET_FIXED);
+  ruleset = bitset_create (nrules, BITSET_FIXED);
 
   set_fderives ();
 }
@@ -202,7 +199,7 @@ closure (item_number_t *core, int n)
 
   bitset_iterator iter;
 
-  if (trace_flag)
+  if (trace_flag & trace_sets)
     print_closure ("input", core, n);
 
   bitset_zero (ruleset);
@@ -233,7 +230,7 @@ closure (item_number_t *core, int n)
       c++;
     }
 
-  if (trace_flag)
+  if (trace_flag & trace_sets)
     print_closure ("output", itemset, nritemset);
 }