1 /*
   2  * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
   3  * @LastModified: Oct 2017
   4  */
   5 /*
   6  * Licensed to the Apache Software Foundation (ASF) under one or more
   7  * contributor license agreements.  See the NOTICE file distributed with
   8  * this work for additional information regarding copyright ownership.
   9  * The ASF licenses this file to You under the Apache License, Version 2.0
  10  * (the "License"); you may not use this file except in compliance with
  11  * the License.  You may obtain a copy of the License at
  12  *
  13  *      http://www.apache.org/licenses/LICENSE-2.0
  14  *
  15  * Unless required by applicable law or agreed to in writing, software
  16  * distributed under the License is distributed on an "AS IS" BASIS,
  17  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  18  * See the License for the specific language governing permissions and
  19  * limitations under the License.
  20  */
  21 
  22 package com.sun.org.apache.bcel.internal.generic;
  23 
  24 import com.sun.org.apache.bcel.internal.ExceptionConst;
  25 
  26 /**
  27  * MONITORENTER - Enter monitor for object
  28  * <PRE>Stack: ..., objectref -&gt; ...</PRE>
  29  *
  30  * @version $Id: MONITORENTER.java 1747278 2016-06-07 17:28:43Z britter $

  31  */
  32 public class MONITORENTER extends Instruction implements ExceptionThrower, StackConsumer {
  33 
  34     public MONITORENTER() {
  35         super(com.sun.org.apache.bcel.internal.Const.MONITORENTER, (short) 1);
  36     }
  37 
  38 
  39     @Override
  40     public Class<?>[] getExceptions() {
  41         return new Class<?>[] {
  42             ExceptionConst.NULL_POINTER_EXCEPTION
  43         };
  44     }
  45 
  46 
  47     /**
  48      * Call corresponding visitor method(s). The order is:
  49      * Call visitor methods of implemented interfaces first, then
  50      * call methods according to the class hierarchy in descending order,
  51      * i.e., the most specific visitXXX() call comes last.
  52      *
  53      * @param v Visitor object
  54      */
  55     @Override
  56     public void accept( final Visitor v ) {
  57         v.visitExceptionThrower(this);
  58         v.visitStackConsumer(this);
  59         v.visitMONITORENTER(this);
  60     }
  61 }
--- EOF ---