1 /*
   2  * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.

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