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diff --git a/trunk/infrastructure/rhino1_7R1/src/org/mozilla/javascript/debug/DebuggableScript.java b/trunk/infrastructure/rhino1_7R1/src/org/mozilla/javascript/debug/DebuggableScript.java
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+/* -*- Mode: java; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ *
+ * ***** 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) 1997-2000
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *   Norris Boyd
+ *   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 ***** */
+
+// API class
+
+package org.mozilla.javascript.debug;
+
+/**
+ * This interface exposes debugging information from executable
+ * code (either functions or top-level scripts).
+ */
+public interface DebuggableScript
+{
+    public boolean isTopLevel();
+
+    /**
+     * Returns true if this is a function, false if it is a script.
+     */
+    public boolean isFunction();
+
+    /**
+     * Get name of the function described by this script.
+     * Return null or an empty string if this script is not a function.
+     */
+    public String getFunctionName();
+
+    /**
+     * Get number of declared parameters in the function.
+     * Return 0 if this script is not a function.
+     *
+     * @see #getParamAndVarCount()
+     * @see #getParamOrVarName(int index)
+     */
+    public int getParamCount();
+
+    /**
+     * Get number of declared parameters and local variables.
+     * Return number of declared global variables if this script is not a
+     * function.
+     *
+     * @see #getParamCount()
+     * @see #getParamOrVarName(int index)
+     */
+    public int getParamAndVarCount();
+
+    /**
+     * Get name of a declared parameter or local variable.
+     * <tt>index</tt> should be less then {@link #getParamAndVarCount()}.
+     * If <tt>index&nbsp;&lt;&nbsp;{@link #getParamCount()}</tt>, return
+     * the name of the corresponding parameter, otherwise return the name
+     * of variable.
+     * If this script is not function, return the name of the declared
+     * global variable.
+     */
+    public String getParamOrVarName(int index);
+
+    /**
+     * Get the name of the source (usually filename or URL)
+     * of the script.
+     */
+    public String getSourceName();
+
+    /**
+     * Returns true if this script or function were runtime-generated
+     * from JavaScript using <tt>eval</tt> function or <tt>Function</tt>
+     * or <tt>Script</tt> constructors.
+     */
+    public boolean isGeneratedScript();
+
+    /**
+     * Get array containing the line numbers that
+     * that can be passed to <code>DebugFrame.onLineChange()<code>.
+     * Note that line order in the resulting array is arbitrary
+     */
+    public int[] getLineNumbers();
+
+    public int getFunctionCount();
+
+    public DebuggableScript getFunction(int index);
+
+    public DebuggableScript getParent();
+
+}