Pessimize the code to simplify it: from now on, all the states

[bison.git] / src / print.c

diff --git a/src/print.c b/src/print.c
index 9ac1feb3b34c5e8bf365a46262696d3a9bd33357..426ca9ae9c23c9b9e0a706fec091e69f01be3c13 100644 (file)
--- a/src/print.c
+++ b/src/print.c
@@ -86,13 +86,12 @@ static void
 print_actions (FILE *out, int state)
 {
   int i;
-  int k;
 
   shifts   *shiftp = state_table[state].shift_table;
   reductions *redp = state_table[state].reduction_table;
   errs       *errp = err_table[state];
 
-  if (!shiftp && !redp)
+  if (!shiftp->nshifts && !redp)
     {
       if (final_state == state)
        fprintf (out, _("    $default\taccept\n"));
@@ -101,37 +100,25 @@ print_actions (FILE *out, int state)
       return;
     }
 
-  if (shiftp)
-    {
-      k = shiftp->nshifts;
+  for (i = 0; i < shiftp->nshifts; i++)
+    if (!SHIFT_IS_DISABLED (shiftp, i))
+      {
+       int state1 = shiftp->shifts[i];
+       int symbol = state_table[state1].accessing_symbol;
+       /* The following line used to be turned off.  */
+       if (ISVAR (symbol))
+         break;
+       if (symbol == 0)        /* I.e. strcmp(tags[symbol],"$")==0 */
+         fprintf (out,
+                  _("    $   \tgo to state %d\n"), state1);
+       else
+         fprintf (out,
+                  _("    %-4s\tshift, and go to state %d\n"),
+                  tags[symbol], state1);
+      }
 
-      for (i = 0; i < k; i++)
-       {
-         int symbol;
-         int state1 = shiftp->shifts[i];
-         if (!state1)
-           continue;
-         symbol = state_table[state1].accessing_symbol;
-         /* The following line used to be turned off.  */
-         if (ISVAR (symbol))
-           break;
-         if (symbol == 0)      /* I.e. strcmp(tags[symbol],"$")==0 */
-           fprintf (out,
-                    _("    $   \tgo to state %d\n"), state1);
-         else
-           fprintf (out,
-                    _("    %-4s\tshift, and go to state %d\n"),
-                    tags[symbol], state1);
-       }
-
-      if (i > 0)
-       fputc ('\n', out);
-    }
-  else
-    {
-      i = 0;
-      k = 0;
-    }
+  if (i > 0)
+    fputc ('\n', out);
 
   if (errp)
     {
@@ -161,18 +148,16 @@ print_actions (FILE *out, int state)
       print_reductions (out, state);
     }
 
-  if (i < k)
+  if (i < shiftp->nshifts)
     {
-      for (; i < k; i++)
-       {
-         int symbol;
-         int state1 = shiftp->shifts[i];
-         if (!state1)
-           continue;
-         symbol = state_table[state1].accessing_symbol;
-         fprintf (out, _("    %-4s\tgo to state %d\n"),
-                  tags[symbol], state1);
-       }
+      for (; i < shiftp->nshifts; i++)
+       if (!SHIFT_IS_DISABLED (shiftp, i))
+         {
+           int state1 = shiftp->shifts[i];
+           int symbol = state_table[state1].accessing_symbol;
+           fprintf (out, _("    %-4s\tgo to state %d\n"),
+                    tags[symbol], state1);
+         }
 
       fputc ('\n', out);
     }