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.unpack200.SegmentConstantPool;
22 import org.apache.commons.compress.harmony.unpack200.bytecode.OperandManager;
23
24 /**
25 * This class implements the byte code form for those bytecodes which have regular method references (and only regular method references). These are:
26 * invokevirtual invokespecial invokestatic Class-specific references to methods are subclasses of ClassSpecificReferenceForm instead.
27 */
28 public class MethodRefForm extends ReferenceForm {
29
30 /**
31 * Constructs a new instance with the specified opcode, name, operandType and rewrite.
32 *
33 * @param opcode index corresponding to the opcode's value.
34 * @param name String printable name of the opcode.
35 * @param rewrite Operand positions (which will later be rewritten in ByteCodes) are indicated by -1.
36 */
37 public MethodRefForm(final int opcode, final String name, final int[] rewrite) {
38 super(opcode, name, rewrite);
39 }
40
41 @Override
42 protected int getOffset(final OperandManager operandManager) {
43 return operandManager.nextMethodRef();
44 }
45
46 @Override
47 protected int getPoolID() {
48 return SegmentConstantPool.CP_METHOD;
49 }
50 }