* po/sv.po: New.

[bison.git] / src / derives.c

diff --git a/src/derives.c b/src/derives.c
index 3c1d3f62b19eb445d15af98cd1d849291ac13655..f0c41165a8bca1eadae1775612cf7892238dce8a 100644 (file)
--- a/src/derives.c
+++ b/src/derives.c
@@ -1,5 +1,5 @@
 /* Match rules with nonterminals for bison,
-   Copyright (C) 1984, 1989, 2000 Free Software Foundation, Inc.
+   Copyright 1984, 1989, 2000, 2001  Free Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
 
@@ -25,55 +25,57 @@
    */
 
 #include "system.h"
-#include "alloc.h"
+#include "getargs.h"
 #include "types.h"
+#include "reader.h"
 #include "gram.h"
 #include "derives.h"
 
-#if DEBUG
+short **derives;
+
 
 static void
 print_derives (void)
 {
-  register int i;
-  register short *sp;
+  int i;
 
-  printf (_("\n\n\nDERIVES\n\n"));
+  fputs ("DERIVES\n", stderr);
 
   for (i = ntokens; i < nsyms; i++)
     {
-      printf (_("%s derives"), tags[i]);
+      short *sp;
+      fprintf (stderr, "\t%s derives\n", tags[i]);
       for (sp = derives[i]; *sp > 0; sp++)
        {
-         printf ("  %d", *sp);
+         short *rhsp;
+         fprintf (stderr, "\t\t%d:", *sp);
+         for (rhsp = ritem + rule_table[*sp].rhs; *rhsp > 0; ++rhsp)
+           fprintf (stderr, " %s", tags[*rhsp]);
+         fputc ('\n', stderr);
        }
-      putchar ('\n');
     }
 
-  putchar ('\n');
+  fputs ("\n\n", stderr);
 }
 
-#endif
-
-short **derives;
 
 void
 set_derives (void)
 {
-  register int i;
-  register int lhs;
-  register shorts *p;
-  register short *q;
-  register shorts **dset;
-  register shorts *delts;
+  int i;
+  int lhs;
+  shorts *p;
+  short *q;
+  shorts **dset;
+  shorts *delts;
 
-  dset = NEW2 (nvars, shorts *) - ntokens;
-  delts = NEW2 (nrules + 1, shorts);
+  dset = XCALLOC (shorts *, nvars) - ntokens;
+  delts = XCALLOC (shorts, nrules + 1);
 
   p = delts;
   for (i = nrules; i > 0; i--)
     {
-      lhs = rlhs[i];
+      lhs = rule_table[i].lhs;
       if (lhs >= 0)
        {
          p->next = dset[lhs];
@@ -83,8 +85,8 @@ set_derives (void)
        }
     }
 
-  derives = NEW2 (nvars, short *) - ntokens;
-  q = NEW2 (nvars + nrules, short);
+  derives = XCALLOC (short *, nvars) - ntokens;
+  q = XCALLOC (short, nvars + nrules);
 
   for (i = ntokens; i < nsyms; i++)
     {
@@ -98,17 +100,16 @@ set_derives (void)
       *q++ = -1;
     }
 
-#if DEBUG
-  print_derives ();
-#endif
+  if (trace_flag)
+    print_derives ();
 
-  FREE (dset + ntokens);
-  FREE (delts);
+  XFREE (dset + ntokens);
+  XFREE (delts);
 }
 
 void
 free_derives (void)
 {
-  FREE (derives[ntokens]);
-  FREE (derives + ntokens);
+  XFREE (derives[ntokens]);
+  XFREE (derives + ntokens);
 }