* configure.ac (AC_GNU_SOURCE): Use it instead of hand written code.

[bison.git] / src / closure.c

diff --git a/src/closure.c b/src/closure.c
index 02d275a7bb0d8d83aa7bc6cab7084160d04a26b4..3d5ac28d0bcf69957980add665f832f67a517bd7 100644 (file)
--- 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)
        {
       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");
        }
     }
   fprintf (stderr, "\n\n");


@@ -128,20 +125,20 @@ set_firsts (void)
   firsts = bitsetv_create (nvars, nvars, BITSET_FIXED);
 
   for (i = ntokens; i < nsyms; i++)
   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 (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);
     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);
 
     bitsetv_matrix_dump (stderr, "RTC: Firsts Output", firsts);
 

-  if (trace_flag)
+  if (trace_flag & trace_sets)

     print_firsts ();
 }
 
     print_firsts ();
 }
 


@@ -161,17 +158,17 @@ set_fderives (void)
   symbol_number_t i, j;
   rule_number_t k;
 
   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))
 
   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);
     print_fderives ();
 
   bitsetv_free (firsts);


@@ -184,7 +181,7 @@ new_closure (int n)
 {
   itemset = XCALLOC (item_number_t, n);
 
 {
   itemset = XCALLOC (item_number_t, n);
 

-  ruleset = bitset_create (nrules + 1, BITSET_FIXED);
+  ruleset = bitset_create (nrules, BITSET_FIXED);

 
   set_fderives ();
 }
 
   set_fderives ();
 }


@@ -202,7 +199,7 @@ closure (item_number_t *core, int n)
 
   bitset_iterator iter;
 
 
   bitset_iterator iter;
 

-  if (trace_flag)
+  if (trace_flag & trace_sets)

     print_closure ("input", core, n);
 
   bitset_zero (ruleset);
     print_closure ("input", core, n);
 
   bitset_zero (ruleset);


@@ -233,7 +230,7 @@ closure (item_number_t *core, int n)
       c++;
     }
 
       c++;
     }
 

-  if (trace_flag)
+  if (trace_flag & trace_sets)

     print_closure ("output", itemset, nritemset);
 }
 
     print_closure ("output", itemset, nritemset);
 }