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diff --git a/infrastructure/rhino1_7R1/src/org/mozilla/javascript/DefiningClassLoader.java b/infrastructure/rhino1_7R1/src/org/mozilla/javascript/DefiningClassLoader.java
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+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is Rhino code, released
+ * May 6, 1999.
+ *
+ * The Initial Developer of the Original Code is
+ * Netscape Communications Corporation.
+ * Portions created by the Initial Developer are Copyright (C) 1997-1999
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *   Norris Boyd
+ *   Roger Lawrence
+ *   Patrick Beard
+ *   Igor Bukanov
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * the GNU General Public License Version 2 or later (the "GPL"), in which
+ * case the provisions of the GPL are applicable instead of those above. If
+ * you wish to allow use of your version of this file only under the terms of
+ * the GPL and not to allow others to use your version of this file under the
+ * MPL, indicate your decision by deleting the provisions above and replacing
+ * them with the notice and other provisions required by the GPL. If you do
+ * not delete the provisions above, a recipient may use your version of this
+ * file under either the MPL or the GPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+package org.mozilla.javascript;
+
+/**
+ * Load generated classes.
+ *
+ * @author Norris Boyd
+ */
+public class DefiningClassLoader extends ClassLoader
+    implements GeneratedClassLoader
+{
+    public DefiningClassLoader() {
+        this.parentLoader = getClass().getClassLoader();
+    }
+
+    public DefiningClassLoader(ClassLoader parentLoader) {
+        this.parentLoader = parentLoader;
+    }
+
+    public Class defineClass(String name, byte[] data) {
+        // Use our own protection domain for the generated classes.
+        // TODO: we might want to use a separate protection domain for classes
+        // compiled from scripts, based on where the script was loaded from.
+        return super.defineClass(name, data, 0, data.length, 
+                SecurityUtilities.getProtectionDomain(getClass()));
+    }
+
+    public void linkClass(Class cl) {
+        resolveClass(cl);
+    }
+
+    public Class loadClass(String name, boolean resolve)
+        throws ClassNotFoundException
+    {
+        Class cl = findLoadedClass(name);
+        if (cl == null) {
+            if (parentLoader != null) {
+                cl = parentLoader.loadClass(name);
+            } else {
+                cl = findSystemClass(name);
+            }
+        }
+        if (resolve) {
+            resolveClass(cl);
+        }
+        return cl;
+    }
+
+    private final ClassLoader parentLoader;
+}