MethodRefForm.java

  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. import org.apache.commons.compress.harmony.unpack200.SegmentConstantPool;
  21. import org.apache.commons.compress.harmony.unpack200.bytecode.OperandManager;

  22. /**
  23.  * This class implements the byte code form for those bytecodes which have regular method references (and only regular method references). These are:
  24.  * invokevirtual invokespecial invokestatic Class-specific references to methods are subclasses of ClassSpecificReferenceForm instead.
  25.  */
  26. public class MethodRefForm extends ReferenceForm {

  27.     /**
  28.      * Constructs a new instance with the specified opcode, name, operandType and rewrite.
  29.      *
  30.      * @param opcode  index corresponding to the opcode's value.
  31.      * @param name    String printable name of the opcode.
  32.      * @param rewrite Operand positions (which will later be rewritten in ByteCodes) are indicated by -1.
  33.      */
  34.     public MethodRefForm(final int opcode, final String name, final int[] rewrite) {
  35.         super(opcode, name, rewrite);
  36.     }

  37.     @Override
  38.     protected int getOffset(final OperandManager operandManager) {
  39.         return operandManager.nextMethodRef();
  40.     }

  41.     @Override
  42.     protected int getPoolID() {
  43.         return SegmentConstantPool.CP_METHOD;
  44.     }
  45. }