1 /* 2 * reserved comment block 3 * DO NOT REMOVE OR ALTER! 4 */ 5 /* 6 * Licensed to the Apache Software Foundation (ASF) under one or more 7 * contributor license agreements. See the NOTICE file distributed with 8 * this work for additional information regarding copyright ownership. 9 * The ASF licenses this file to You under the Apache License, Version 2.0 10 * (the "License"); you may not use this file except in compliance with 11 * the License. You may obtain a copy of the License at 12 * 13 * http://www.apache.org/licenses/LICENSE-2.0 14 * 15 * Unless required by applicable law or agreed to in writing, software 16 * distributed under the License is distributed on an "AS IS" BASIS, 17 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 18 * See the License for the specific language governing permissions and 19 * limitations under the License. 20 */ 21 22 package com.sun.org.apache.bcel.internal.generic; 23 24 /** 25 * Super class for stack operations like DUP and POP. 26 * 27 * @version $Id$ 28 */ 29 public abstract class StackInstruction extends Instruction { 30 31 /** 32 * Empty constructor needed for Instruction.readInstruction. 33 * Not to be used otherwise. 34 */ 35 StackInstruction() { 36 } 37 38 39 /** 40 * @param opcode instruction opcode 41 */ 42 protected StackInstruction(final short opcode) { 43 super(opcode, (short) 1); 44 } 45 46 47 /** @return Type.UNKNOWN 48 */ 49 public Type getType( final ConstantPoolGen cp ) { 50 return Type.UNKNOWN; 51 } 52 }