1 files changed, 68 insertions, 0 deletions
diff --git a/gnu/lib/libg++/g++-include/gen/XPSet.ccP b/gnu/lib/libg++/g++-include/gen/XPSet.ccP
new file mode 100644
index 00000000000..97743735635
--- /dev/null
+++ b/gnu/lib/libg++/g++-include/gen/XPSet.ccP
@@ -0,0 +1,68 @@
+// This may look like C code, but it is really -*- C++ -*-
+/* 
+Copyright (C) 1988 Free Software Foundation
+    written by Doug Lea (dl@rocky.oswego.edu)
+
+This file is part of GNU CC.
+
+GNU CC is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY.  No author or distributor
+accepts responsibility to anyone for the consequences of using it
+or for whether it serves any particular purpose or works at all,
+unless he says so in writing.  Refer to the GNU CC General Public
+License for full details.
+
+Everyone is granted permission to copy, modify and redistribute
+GNU CC, but only under the conditions described in the
+GNU CC General Public License.   A copy of this license is
+supposed to have been given to you along with GNU CC so you
+can know your rights and responsibilities.  It should be in a
+file named COPYING.  Among other things, the copyright notice
+and this notice must be preserved on all copies.  
+*/
+
+#ifdef __GNUG__
+#pragma implementation
+#endif
+#include "<T>.XPSet.h"
+
+int <T>XPSet::OK()
+{
+  int v = p.OK();
+  v &= count == p.length();
+  if (!v) error("invariant failure");
+  return v;
+}
+
+Pix <T>XPSet::seek(<T&> item)
+{
+  for (int i = p.low(); i < p.fence(); p.next(i))
+    if (<T>EQ(p[i],item)) return p.index_to_Pix(i);
+  return 0;
+}
+
+Pix <T>XPSet::add(<T&> item)
+{
+  Pix i = seek(item);
+  if (i == 0)
+  {
+    ++count;
+    i = p.index_to_Pix(p.add_high(item));
+  }
+  return i;
+}
+
+void <T>XPSet::del(<T&> item)
+{
+  for (int i = p.low(); i < p.fence(); p.next(i))
+  {
+    if (<T>EQ(p[i], item))
+    {
+      --count;
+      p[i] = p.low_element();
+      p.del_low();
+      return;
+    }
+  }
+}
+