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Rhino is an open-source implementation of JavaScript written entirely in Java. It is typically embedded into Java applications to provide scripting to end users.

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/* -*- Mode: java; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

// API class

package org.mozilla.javascript.debug;

import org.mozilla.javascript.Context;

/** Interface to implement if the application is interested in receiving debug information. */
public interface Debugger {

    /**
     * Called when compilation of a particular function or script into internal bytecode is done.
     *
     * @param cx current Context for this thread
     * @param fnOrScript object describing the function or script
     * @param source the function or script source
     */
    void handleCompilationDone(Context cx, DebuggableScript fnOrScript, String source);

    /**
     * Called when execution entered a particular function or script.
     *
     * @return implementation of DebugFrame which receives debug information during the function or
     *     script execution or null otherwise
     */
    DebugFrame getFrame(Context cx, DebuggableScript fnOrScript);
}