/*

 * 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.

 *

 * 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.

 */

/*

 * @test

 * @modules jdk.jdeps/com.sun.tools.javap

 */

import java.io.*;

    public static String source = "public class Test {\n" +

                                  "    public static void main(String[] args) {}\n" +

                                  "}";

    public static void main(String[] args) throws Exception {

        final String[] javacOpts = {"Test.java"};

        if (com.sun.tools.javac.Main.compile(javacOpts) != 0) {

            throw new Exception("Can't compile embedded test.");

        }

        RandomAccessFile raf = new RandomAccessFile("Test.class", "rw");

        }

        raf.close();

        String[] opts = { "-v", "Test.class" };

        StringWriter sw = new StringWriter();

        PrintWriter pout = new PrintWriter(sw);

        com.sun.tools.javap.Main.run(opts, pout);

        pout.flush();

        }

    }

        cfile.seek(0);

        int v1, v2;

        v1 = cfile.readInt();

        // System.out.println("Magic: " + String.format("%X", v1));

        v1 = cfile.readUnsignedShort();

        v2 = cfile.readUnsignedShort();

        // System.out.println("Version: " + String.format("%d.%d", v1, v2));

        v1 = cfile.readUnsignedShort();

        // System.out.println("CPool size: " + v1);

        // Exhaust the constant pool

        for (; v1 > 1; v1--) {

            // System.out.print(".");

            byte tag = cfile.readByte();

            switch (tag) {

                case 7  : // Class

                case 8  : // String

                    // Data is 2 bytes long

                    cfile.skipBytes(2);

                    break;

                case 3  : // Integer

                case 4  : // Float

                case 9  : // FieldRef

                case 10 : // MethodRef

                case 11 : // InterfaceMethodRef

                case 12 : // Name and Type

                    // Data is 4 bytes long

                    cfile.skipBytes(4);

                    break;

                case 5  : // Long

                case 6  : // Double

                    // Data is 8 bytes long

                    cfile.skipBytes(8);

                    break;

                case 1  : // Utf8

                    break;

                default :

                    throw new Exception("Unexpected tag in CPool: [" + tag + "] at "

                            + Long.toHexString(cfile.getFilePointer()));

            }

        }

        // System.out.println();

        return -1L;

    }

}