1 files changed, 66 insertions, 0 deletions
diff --git a/gnu/lib/libg++/g++-include/VStack.ccP b/gnu/lib/libg++/g++-include/VStack.ccP
new file mode 100644
index 000000000000..5203d51341d4
--- /dev/null
+++ b/gnu/lib/libg++/g++-include/VStack.ccP
@@ -0,0 +1,66 @@
+// 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 the GNU C++ Library.  This library is free
+software; you can redistribute it and/or modify it under the terms of
+the GNU Library General Public License as published by the Free
+Software Foundation; either version 2 of the License, or (at your
+option) any later version.  This library is distributed in the hope
+that it will be useful, but WITHOUT ANY WARRANTY; without even the
+implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+PURPOSE.  See the GNU Library General Public License for more details.
+You should have received a copy of the GNU Library General Public
+License along with this library; if not, write to the Free Software
+Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#ifdef __GNUG__
+#pragma implementation
+#endif
+#include <stream.h>
+#include "<T>.VStack.h"
+
+// error handling
+
+
+<T>VStack::<T>VStack(<T>VStack& b)
+:size(b.size), ptr(b.ptr), s(new <T> [b.size])
+{
+  for (int i = 0; i < ptr; ++i) s[i] = b.s[i];
+}
+
+void <T>VStack::operator = (<T>VStack& b)
+{
+  if (&b == this) return;
+  if (size < b.ptr)
+  {
+    delete [] s;
+    s = new <T> [b.size];
+    size = b.size;
+  }
+  ptr = b.ptr;
+  for (int i = 0; i < ptr; ++i) s[i] = b.s[i];
+}
+
+
+void <T>VStack::resize(int newsz)
+{
+  if (newsz < ptr) error("resize: new size too small");
+  <T>* news = new <T> [newsz];
+  for (int i = 0; i < ptr; ++i) news[i] = s[i];
+  delete [] s;
+  s = news;
+  size = newsz;
+}
+
+int <T>VStack::OK()
+{
+  int v = s != 0;               // have space
+  v &= size >= 0;               // a legal size
+  v &= ptr <= size;             // ptr within bounds
+  v &= ptr >= 0;
+  if (!v) error("invariant failure");
+  return v;
+}