/*
 * Copyright (c) 2007, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code 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
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

package com.sun.tools.javap;

import java.io.PrintWriter;

/**
 *  Main entry point.
 *
 *  <p><b>This is NOT part of any API supported by Sun Microsystems.  If
 *  you write code that depends on this, you do so at your own risk.
 *  This code and its internal interfaces are subject to change or
 *  deletion without notice.</b>
 */
public class Main {
    /**
     * Main entry point for the launcher.
     * Note: This method calls System.exit.
     * @param args command line arguments
     */
    public static void main(String[] args) {
        if (args.length >= 1 && args[0].equals("-Xold")) {
            String[] nArgs = new String[args.length - 1];
            System.arraycopy(args, 1, nArgs, 0, nArgs.length);
            sun.tools.javap.Main.main(args);  // calls System.exit
            System.exit(1);
        }

        JavapTask t = new JavapTask();
        int rc = t.run(args);
        System.exit(rc);
    }

    /**
     * Entry point that does <i>not</i> call System.exit.
     * @param args command line arguments
     * @param out output stream
     * @return an exit code. 0 means success, non-zero means an error occurred.
     */
    public static int run(String[] args, PrintWriter out) {
        JavapTask t = new JavapTask();
        t.setLog(out);
        return t.run(args);
    }
}