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.unpack200.SegmentConstantPool; 022import org.apache.commons.compress.harmony.unpack200.bytecode.OperandManager; 023 024/** 025 * This class implements references to methods defined in the current class, which is set by this class in the OperandManager. Pack200 allows the current class 026 * to be inferred from context; this class tracks previous method reference current classes to allow this. 027 */ 028public class ThisMethodRefForm extends ClassSpecificReferenceForm { 029 030 /** 031 * Constructs a new instance with the specified opcode, name, operandType and rewrite. 032 * 033 * @param opcode index corresponding to the opcode's value. 034 * @param name String printable name of the opcode. 035 * @param rewrite Operand positions (which will later be rewritten in ByteCodes) are indicated by -1. 036 */ 037 public ThisMethodRefForm(final int opcode, final String name, final int[] rewrite) { 038 super(opcode, name, rewrite); 039 } 040 041 @Override 042 protected String context(final OperandManager operandManager) { 043 return operandManager.getCurrentClass(); 044 } 045 046 @Override 047 protected int getOffset(final OperandManager operandManager) { 048 return operandManager.nextThisMethodRef(); 049 } 050 051 @Override 052 protected int getPoolID() { 053 return SegmentConstantPool.CP_METHOD; 054 } 055}