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.bcel.generic;
020
021/**
022 * Super class for the IFxxx family of instructions.
023 */
024public abstract class IfInstruction extends BranchInstruction implements StackConsumer {
025
026    /**
027     * Empty constructor needed for Instruction.readInstruction. Not to be used otherwise.
028     */
029    IfInstruction() {
030    }
031
032    /**
033     * @param opcode opcode of instruction
034     * @param target Target instruction to branch to
035     */
036    protected IfInstruction(final short opcode, final InstructionHandle target) {
037        super(opcode, target);
038    }
039
040    /**
041     * @return negation of instruction, for example IFEQ.negate() == IFNE
042     */
043    public abstract IfInstruction negate();
044}