New file: skeleton for GLR (Generalized LR) parser.

[bison.git] / src / derives.c

diff --git a/src/derives.c b/src/derives.c
index 795bc08e88c3cf1a019e3ca4918197c9c193ef56..d78d55633bbeec07ae4d7de6b2544d0ab2fb721b 100644 (file)
--- a/src/derives.c
+++ b/src/derives.c
@@ -42,9 +42,9 @@ print_derives (void)
       fprintf (stderr, "\t%s derives\n", symbols[i]->tag);
       for (sp = derives[i]; *sp > 0; sp++)
        {
-         short *rhsp;
+         item_number_t *rhsp;
          fprintf (stderr, "\t\t%d:", *sp);
-         for (rhsp = &ritem[rules[*sp].rhs]; *rhsp >= 0; ++rhsp)
+         for (rhsp = rules[*sp].rhs; *rhsp >= 0; ++rhsp)
            fprintf (stderr, " %s", symbols[*rhsp]->tag);
          fprintf (stderr, " (rule %d)\n", -*rhsp - 1);
        }
@@ -68,14 +68,13 @@ set_derives (void)
 
   p = delts;
   for (i = nrules; i > 0; i--)
-    if (rules[i].useful)
-      {
-       int lhs = rules[i].lhs;
-       p->next = dset[lhs];
-       p->value = i;
-       dset[lhs] = p;
-       p++;
-      }
+    {
+      symbol_number_t lhs = rules[i].lhs->number;
+      p->next = dset[lhs];
+      p->value = i;
+      dset[lhs] = p;
+      p++;
+    }
 
   derives = XCALLOC (short *, nvars) - ntokens;
   q = XCALLOC (short, nvars + nrules);