    001/*
    002 * Licensed to the Apache Software Foundation (ASF) under one
    003 * or more contributor license agreements.  See the NOTICE file
    004 * distributed with this work for additional information
    005 * regarding copyright ownership.  The ASF licenses this file
    006 * to you under the Apache License, Version 2.0 (the
    007 * "License"); you may not use this file except in compliance
    008 * with the License.  You may obtain a copy of the License at
    009 *
    010 *   https://www.apache.org/licenses/LICENSE-2.0
    011 *
    012 * Unless required by applicable law or agreed to in writing,
    013 * software distributed under the License is distributed on an
    014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
    015 * KIND, either express or implied.  See the License for the
    016 * specific language governing permissions and limitations
    017 * under the License.
    018 */
    019package org.apache.commons.compress.harmony.unpack200.bytecode.forms;
    020
    021import org.apache.commons.compress.harmony.pack200.Pack200Exception;
    022import org.apache.commons.compress.harmony.unpack200.bytecode.ByteCode;
    023import org.apache.commons.compress.harmony.unpack200.bytecode.OperandManager;
    024
    025/**
    026 * This class implements the byte code form for the multianewarray instruction. It has a class reference and a byte operand.
    027 *
    028 * MultiANewArrayForms (like other anewarray forms) do not track the last new().
    029 */
    030public class MultiANewArrayForm extends ClassRefForm {
    031
    032    /**
    033     * Constructs a new instance with the specified opcode, name, operandType and rewrite.
    034     *
    035     * @param opcode  index corresponding to the opcode's value.
    036     * @param name    String printable name of the opcode.
    037     * @param rewrite Operand positions (which will later be rewritten in ByteCodes) are indicated by -1.
    038     */
    039    public MultiANewArrayForm(final int opcode, final String name, final int[] rewrite) {
    040        super(opcode, name, rewrite);
    041    }
    042
    043    /*
    044     * (non-Javadoc)
    045     *
    046     * @see org.apache.commons.compress.harmony.unpack200.bytecode.forms.ByteCodeForm#setByteCodeOperands(org.apache.commons.
    047     * compress.harmony.unpack200.bytecode.ByteCode, org.apache.commons.compress.harmony.unpack200.bytecode.OperandTable,
    048     * org.apache.commons.compress.harmony.unpack200.SegmentConstantPool)
    049     */
    050    @Override
    051    public void setByteCodeOperands(final ByteCode byteCode, final OperandManager operandManager, final int codeLength) throws Pack200Exception {
    052        // multianewarray has a class ref and a dimension.
    053        // The superclass handles the class ref.
    054        super.setByteCodeOperands(byteCode, operandManager, codeLength);
    055        // We have to handle the dimension.
    056        final int dimension = operandManager.nextByte();
    057        byteCode.setOperandByte(dimension, 2);
    058    }
    059}