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diff --git a/tools/gnu/classpath/tools/javah/Keywords.java b/tools/gnu/classpath/tools/javah/Keywords.java
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+++ b/tools/gnu/classpath/tools/javah/Keywords.java
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+/* Keywords.java - List of C++ keywords
+ Copyright (C) 2006 Free Software Foundation, Inc.
+
+ This file is part of GNU Classpath.
+
+ GNU Classpath is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2, or (at your option)
+ any later version.
+
+ GNU Classpath 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
+ General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with GNU Classpath; see the file COPYING.  If not, write to the
+ Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ 02110-1301 USA.
+
+ Linking this library statically or dynamically with other modules is
+ making a combined work based on this library.  Thus, the terms and
+ conditions of the GNU General Public License cover the whole
+ combination.
+
+ As a special exception, the copyright holders of this library give you
+ permission to link this library with independent modules to produce an
+ executable, regardless of the license terms of these independent
+ modules, and to copy and distribute the resulting executable under
+ terms of your choice, provided that you also meet, for each linked
+ independent module, the terms and conditions of the license of that
+ module.  An independent module is a module which is not derived from
+ or based on this library.  If you modify this library, you may extend
+ this exception to your version of the library, but you are not
+ obligated to do so.  If you do not wish to do so, delete this
+ exception statement from your version. */
+
+
+package gnu.classpath.tools.javah;
+
+import java.util.HashSet;
+
+public class Keywords
+{
+  private static final String[] words = { "and", "and_eq", "asm", "auto",
+                                         "bitand", "bitor", "bool", "break",
+                                         "case", "catch", "char", "class",
+                                         "compl", "const", "const_cast",
+                                         "continue", "default", "delete", "do",
+                                         "double", "dynamic_cast", "else",
+                                         "enum", "explicit", "export",
+                                         "extern", "false", "float", "for",
+                                         "friend", "goto", "if", "inline",
+                                         "int", "long", "mutable", "namespace",
+                                         "new", "not", "not_eq", "operator",
+                                         "or", "or_eq", "private", "protected",
+                                         "public", "register",
+                                         "reinterpret_cast", "return", "short",
+                                         "signed", "sizeof", "static",
+                                         "static_cast", "struct", "switch",
+                                         "template", "this", "throw", "true",
+                                         "try", "typedef", "typeid",
+                                         "typename", "typeof", "union",
+                                         "unsigned", "using", "virtual",
+                                         "void", "volatile", "wchar_t",
+                                         "while", "xor", "xor_eq" };
+
+  private static final HashSet keywords;
+  static
+    {
+      keywords = new HashSet();
+      for (int i = 0; i < words.length; ++i)
+        keywords.add(words[i]);
+    }
+
+  public static String getCxxName(String name)
+  {
+    int i;
+    for (i = name.length() - 1; i >= 0 && name.charAt(i) == '$'; --i)
+      ;
+    if (keywords.contains(name.substring(0, i + 1)))
+      return name + "$";
+    return name;
+  }
+}