    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 * IFNE - Branch if int comparison with zero succeeds
    023 *
    024 * <PRE>
    025 * Stack: ..., value -&gt; ...
    026 * </PRE>
    027 */
    028public class IFNE extends IfInstruction {
    029
    030    /**
    031     * Empty constructor needed for Instruction.readInstruction. Not to be used otherwise.
    032     */
    033    IFNE() {
    034    }
    035
    036    /**
    037     * Constructs an IFNE instruction.
    038     *
    039     * @param target the target instruction.
    040     */
    041    public IFNE(final InstructionHandle target) {
    042        super(org.apache.bcel.Const.IFNE, target);
    043    }
    044
    045    /**
    046     * Call corresponding visitor method(s). The order is: Call visitor methods of implemented interfaces first, then call
    047     * methods according to the class hierarchy in descending order, that is, the most specific visitXXX() call comes last.
    048     *
    049     * @param v Visitor object.
    050     */
    051    @Override
    052    public void accept(final Visitor v) {
    053        v.visitStackConsumer(this);
    054        v.visitBranchInstruction(this);
    055        v.visitIfInstruction(this);
    056        v.visitIFNE(this);
    057    }
    058
    059    /**
    060     * @return negation of instruction.
    061     */
    062    @Override
    063    public IfInstruction negate() {
    064        return new IFEQ(super.getTarget());
    065    }
    066}