001/* 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 * 017 */ 018package org.apache.bcel.generic; 019 020/** 021 * IFLE - Branch if int comparison with zero succeeds 022 * 023 * <PRE> 024 * Stack: ..., value -> ... 025 * </PRE> 026 * 027 */ 028public class IFLE extends IfInstruction { 029 030 /** 031 * Empty constructor needed for Instruction.readInstruction. Not to be used otherwise. 032 */ 033 IFLE() { 034 } 035 036 public IFLE(final InstructionHandle target) { 037 super(org.apache.bcel.Const.IFLE, target); 038 } 039 040 /** 041 * Call corresponding visitor method(s). The order is: Call visitor methods of implemented interfaces first, then call 042 * methods according to the class hierarchy in descending order, i.e., the most specific visitXXX() call comes last. 043 * 044 * @param v Visitor object 045 */ 046 @Override 047 public void accept(final Visitor v) { 048 v.visitStackConsumer(this); 049 v.visitBranchInstruction(this); 050 v.visitIfInstruction(this); 051 v.visitIFLE(this); 052 } 053 054 /** 055 * @return negation of instruction 056 */ 057 @Override 058 public IfInstruction negate() { 059 return new IFGT(super.getTarget()); 060 } 061}