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.bcel.generic; 20 21 /** 22 * IFNE - Branch if int comparison with zero succeeds 23 * 24 * <PRE> 25 * Stack: ..., value -> ... 26 * </PRE> 27 */ 28 public class IFNE extends IfInstruction { 29 30 /** 31 * Empty constructor needed for Instruction.readInstruction. Not to be used otherwise. 32 */ 33 IFNE() { 34 } 35 36 public IFNE(final InstructionHandle target) { 37 super(org.apache.bcel.Const.IFNE, target); 38 } 39 40 /** 41 * Call corresponding visitor method(s). The order is: Call visitor methods of implemented interfaces first, then call 42 * methods according to the class hierarchy in descending order, i.e., the most specific visitXXX() call comes last. 43 * 44 * @param v Visitor object 45 */ 46 @Override 47 public void accept(final Visitor v) { 48 v.visitStackConsumer(this); 49 v.visitBranchInstruction(this); 50 v.visitIfInstruction(this); 51 v.visitIFNE(this); 52 } 53 54 /** 55 * @return negation of instruction 56 */ 57 @Override 58 public IfInstruction negate() { 59 return new IFEQ(super.getTarget()); 60 } 61 }