* src/complain.h, src/complain.c (warn, complain): Remove, unused.

[bison.git] / src / closure.c

diff --git a/src/closure.c b/src/closure.c
index 928b686747127ab507e902a0cc754fdedbcd3d99..33dd9b7a4b7e719ce09c189adb94137fdd2cedc0 100644 (file)
--- a/src/closure.c
+++ b/src/closure.c
@@ -59,8 +59,7 @@ print_closure (const char *title, item_number_t *array, size_t size)
       item_number_t *rp;
       fprintf (stderr, "  %2d: .", array[i]);
       for (rp = &ritem[array[i]]; *rp >= 0; ++rp)
-       fprintf (stderr, " %s",
-                quotearg_style (escape_quoting_style, symbols[*rp]->tag));
+       fprintf (stderr, " %s", symbols[*rp]->tag);
       fprintf (stderr, "  (rule %d)\n", -*rp - 1);
     }
   fputs ("\n\n", stderr);
@@ -70,18 +69,18 @@ print_closure (const char *title, item_number_t *array, size_t size)
 static void
 print_firsts (void)
 {
-  int i, j;
+  symbol_number_t i, j;
 
   fprintf (stderr, "FIRSTS\n");
   for (i = ntokens; i < nsyms; i++)
     {
-      fprintf (stderr, "\t%s firsts\n",
-              quotearg_style (escape_quoting_style, symbols[i]->tag));
-      for (j = 0; j < nvars; j++)
-       if (bitset_test (FIRSTS (i), j))
+      bitset_iterator iter;
+      fprintf (stderr, "\t%s firsts\n", symbols[i]->tag);
+      BITSET_FOR_EACH (iter, FIRSTS (i), j, 0)
+       {
          fprintf (stderr, "\t\t%s\n",
-                  quotearg_style (escape_quoting_style,
-                                  symbols[j + ntokens]->tag));
+                  symbols[j + ntokens]->tag);
+       }
     }
   fprintf (stderr, "\n\n");
 }
@@ -90,24 +89,19 @@ print_firsts (void)
 static void
 print_fderives (void)
 {
-  int i, j;
+  int i;
+  rule_number_t r;
 
   fprintf (stderr, "FDERIVES\n");
   for (i = ntokens; i < nsyms; i++)
     {
-      fprintf (stderr, "\t%s derives\n",
-              quotearg_style (escape_quoting_style, symbols[i]->tag));
-      for (j = 0; j < nrules + 1; j++)
-       if (bitset_test (FDERIVES (i), j))
-         {
-           item_number_t *rhsp;
-           fprintf (stderr, "\t\t%d:", j - 1);
-           for (rhsp = rules[j].rhs; *rhsp >= 0; ++rhsp)
-             fprintf (stderr, " %s",
-                      quotearg_style (escape_quoting_style,
-                                      symbols[*rhsp]->tag));
-           fputc ('\n', stderr);
-         }
+      bitset_iterator iter;
+      fprintf (stderr, "\t%s derives\n", symbols[i]->tag);
+      BITSET_FOR_EACH (iter, FDERIVES (i), r, 0)
+       {
+         fprintf (stderr, "\t\t%3d ", r);
+         rule_rhs_print (&rules[r], stderr);
+       }
     }
   fprintf (stderr, "\n\n");
 }
@@ -126,7 +120,7 @@ print_fderives (void)
 static void
 set_firsts (void)
 {
-  int i, j;
+  symbol_number_t i, j;
 
   firsts = bitsetv_create (nvars, nvars, BITSET_FIXED);
 
@@ -161,7 +155,8 @@ set_firsts (void)
 static void
 set_fderives (void)
 {
-  int i, j, k;
+  symbol_number_t i, j;
+  rule_number_t k;
 
   fderives = bitsetv_create (nvars, nrules + 1, BITSET_FIXED);
 
@@ -200,7 +195,9 @@ closure (item_number_t *core, int n)
   int c;
 
   /* A bit index over RULESET. */
-  int ruleno;
+  rule_number_t ruleno;
+
+  bitset_iterator iter;
 
   if (trace_flag)
     print_closure ("input", core, n);
@@ -213,19 +210,18 @@ closure (item_number_t *core, int n)
 
   nritemset = 0;
   c = 0;
-  for (ruleno = 0; ruleno < nrules + 1; ++ruleno)
-    if (bitset_test (ruleset, ruleno))
-      {
-       item_number_t itemno = rules[ruleno].rhs - ritem;
-       while (c < n && core[c] < itemno)
-         {
-           itemset[nritemset] = core[c];
-           nritemset++;
-           c++;
-         }
-       itemset[nritemset] = itemno;
-       nritemset++;
-      }
+  BITSET_FOR_EACH (iter, ruleset, ruleno, 0)
+    {
+      item_number_t itemno = rules[ruleno].rhs - ritem;
+      while (c < n && core[c] < itemno)
+       {
+         itemset[nritemset] = core[c];
+         nritemset++;
+         c++;
+       }
+      itemset[nritemset] = itemno;
+      nritemset++;
+    };
 
   while (c < n)
     {