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      1 /*
      2  * Licensed to the Apache Software Foundation (ASF) under one or more
      3  * contributor license agreements.  See the NOTICE file distributed with
      4  * this work for additional information regarding copyright ownership.
      5  * The ASF licenses this file to You under the Apache License, Version 2.0
      6  * (the "License"); you may not use this file except in compliance with
      7  * the License.  You may obtain a copy of the License at
      8  *
      9  *      http://www.apache.org/licenses/LICENSE-2.0
     10  *
     11  *  Unless required by applicable law or agreed to in writing, software
     12  *  distributed under the License is distributed on an "AS IS" BASIS,
     13  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     14  *  See the License for the specific language governing permissions and
     15  *  limitations under the License.
     16  *
     17  */
     18 package org.apache.bcel.generic;
     19 
     20 /**
     21  * IF_ICMPEQ - Branch if int comparison succeeds
     22  *
     23  * <PRE>Stack: ..., value1, value2 -&gt; ...</PRE>
     24  *
     25  * @version $Id$
     26  */
     27 public class IF_ICMPEQ extends IfInstruction {
     28 
     29     /**
     30      * Empty constructor needed for Instruction.readInstruction.
     31      * Not to be used otherwise.
     32      */
     33     IF_ICMPEQ() {
     34     }
     35 
     36 
     37     public IF_ICMPEQ(final InstructionHandle target) {
     38         super(org.apache.bcel.Const.IF_ICMPEQ, target);
     39     }
     40 
     41 
     42     /**
     43      * @return negation of instruction
     44      */
     45     @Override
     46     public IfInstruction negate() {
     47         return new IF_ICMPNE(super.getTarget());
     48     }
     49 
     50 
     51     /**
     52      * Call corresponding visitor method(s). The order is:
     53      * Call visitor methods of implemented interfaces first, then
     54      * call methods according to the class hierarchy in descending order,
     55      * i.e., the most specific visitXXX() call comes last.
     56      *
     57      * @param v Visitor object
     58      */
     59     @Override
     60     public void accept( final Visitor v ) {
     61         v.visitStackConsumer(this);
     62         v.visitBranchInstruction(this);
     63         v.visitIfInstruction(this);
     64         v.visitIF_ICMPEQ(this);
     65     }
     66 }
     67