* 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 994634c036a7f38b50ec2322cb470ad86431de96..3d5ac28d0bcf69957980add665f832f67a517bd7 100644 (file)
--- a/src/closure.c
+++ b/src/closure.c
@@ -125,9 +125,9 @@ 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);
       }


@@ -165,8 +165,8 @@ set_fderives (void)
   for (i = ntokens; i < nsyms; ++i)
     for (j = ntokens; j < nsyms; ++j)
       if (bitset_test (FIRSTS (i), j - ntokens))
   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 & trace_sets)
     print_fderives ();
 
   if (trace_flag & trace_sets)
     print_fderives ();