1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements. See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership. The ASF licenses this file
6 * to you under the Apache License, Version 2.0 (the
7 * "License"); you may not use this file except in compliance
8 * with the License. You may obtain a copy of the License at
9 *
10 * https://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing,
13 * software distributed under the License is distributed on an
14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15 * KIND, either express or implied. See the License for the
16 * specific language governing permissions and limitations
17 * under the License.
18 */
19 package org.apache.commons.compress.harmony.unpack200.bytecode.forms;
20
21 import org.apache.commons.compress.harmony.pack200.Pack200Exception;
22 import org.apache.commons.compress.harmony.unpack200.bytecode.ByteCode;
23 import org.apache.commons.compress.harmony.unpack200.bytecode.OperandManager;
24
25 /**
26 * This class implements the byte code form for the multianewarray instruction. It has a class reference and a byte operand.
27 *
28 * MultiANewArrayForms (like other anewarray forms) do not track the last new().
29 */
30 public class MultiANewArrayForm extends ClassRefForm {
31
32 /**
33 * Constructs a new instance with the specified opcode, name, operandType and rewrite.
34 *
35 * @param opcode index corresponding to the opcode's value.
36 * @param name String printable name of the opcode.
37 * @param rewrite Operand positions (which will later be rewritten in ByteCodes) are indicated by -1.
38 */
39 public MultiANewArrayForm(final int opcode, final String name, final int[] rewrite) {
40 super(opcode, name, rewrite);
41 }
42
43 /*
44 * (non-Javadoc)
45 *
46 * @see org.apache.commons.compress.harmony.unpack200.bytecode.forms.ByteCodeForm#setByteCodeOperands(org.apache.commons.
47 * compress.harmony.unpack200.bytecode.ByteCode, org.apache.commons.compress.harmony.unpack200.bytecode.OperandTable,
48 * org.apache.commons.compress.harmony.unpack200.SegmentConstantPool)
49 */
50 @Override
51 public void setByteCodeOperands(final ByteCode byteCode, final OperandManager operandManager, final int codeLength) throws Pack200Exception {
52 // multianewarray has a class ref and a dimension.
53 // The superclass handles the class ref.
54 super.setByteCodeOperands(byteCode, operandManager, codeLength);
55 // We have to handle the dimension.
56 final int dimension = operandManager.nextByte();
57 byteCode.setOperandByte(dimension, 2);
58 }
59 }