import java.io.DataOutputStream;

import java.io.IOException;

 * @version $Id: JSR.java 1749603 2016-06-21 20:50:19Z ggregory $

    /**

     * Empty constructor needed for the Class.newInstance() statement in

     * Instruction.readInstruction(). Not to be used otherwise.

     */

    JSR() {

    }

    public JSR(final InstructionHandle target) {

        super(com.sun.org.apache.bcel.internal.Const.JSR, target);

    }

    /**

     * Dump instruction as byte code to stream out.

     * @param out Output stream

     */

    @Override

    public void dump( final DataOutputStream out ) throws IOException {

        super.setIndex(getTargetOffset());

        if (super.getOpcode() == com.sun.org.apache.bcel.internal.Const.JSR) {

            super.dump(out);

        } else { // JSR_W

            super.setIndex(getTargetOffset());

            out.writeByte(super.getOpcode());

            out.writeInt(super.getIndex());

        }

    @Override

    protected int updatePosition( final int offset, final int max_offset ) {

        final int i = getTargetOffset(); // Depending on old position value

        setPosition(getPosition() + offset); // Position may be shifted by preceding expansions

        if (Math.abs(i) >= (Short.MAX_VALUE - max_offset)) { // to large for short (estimate)

            super.setOpcode(com.sun.org.apache.bcel.internal.Const.JSR_W);

            final short old_length = (short) super.getLength();

            super.setLength(5);

            return super.getLength() - old_length;

        }

        return 0;

    }

    /**

     * Call corresponding visitor method(s). The order is:

     * Call visitor methods of implemented interfaces first, then

     * call methods according to the class hierarchy in descending order,

     * i.e., the most specific visitXXX() call comes last.

     *

     * @param v Visitor object

     */

    @Override

    public void accept( final Visitor v ) {

        v.visitStackProducer(this);

        v.visitVariableLengthInstruction(this);

        v.visitBranchInstruction(this);

        v.visitJsrInstruction(this);

        v.visitJSR(this);

    }