1 /*

     2  * reserved comment block

     3  * DO NOT REMOVE OR ALTER!

     4  */

     5 package com.sun.org.apache.bcel.internal.generic;

     6 

     7 /* ====================================================================

     8  * The Apache Software License, Version 1.1

     9  *

    10  * Copyright (c) 2001 The Apache Software Foundation.  All rights

    11  * reserved.

    12  *

    13  * Redistribution and use in source and binary forms, with or without

    14  * modification, are permitted provided that the following conditions

    15  * are met:

    16  *

    17  * 1. Redistributions of source code must retain the above copyright

    18  *    notice, this list of conditions and the following disclaimer.

    19  *

    20  * 2. Redistributions in binary form must reproduce the above copyright

    21  *    notice, this list of conditions and the following disclaimer in

    22  *    the documentation and/or other materials provided with the

    23  *    distribution.

    24  *

    25  * 3. The end-user documentation included with the redistribution,

    26  *    if any, must include the following acknowledgment:

    27  *       "This product includes software developed by the

    28  *        Apache Software Foundation (http://www.apache.org/)."

    29  *    Alternately, this acknowledgment may appear in the software itself,

    30  *    if and wherever such third-party acknowledgments normally appear.

    31  *

    32  * 4. The names "Apache" and "Apache Software Foundation" and

    33  *    "Apache BCEL" must not be used to endorse or promote products

    34  *    derived from this software without prior written permission. For

    35  *    written permission, please contact apache@apache.org.

    36  *

    37  * 5. Products derived from this software may not be called "Apache",

    38  *    "Apache BCEL", nor may "Apache" appear in their name, without

    39  *    prior written permission of the Apache Software Foundation.

    40  *

    41  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED

    42  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES

    43  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE

    44  * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR

    45  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,

    46  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT

    47  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF

    48  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND

    49  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,

    50  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT

    51  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF

    52  * SUCH DAMAGE.

    53  * ====================================================================

    54  *

    55  * This software consists of voluntary contributions made by many

    56  * individuals on behalf of the Apache Software Foundation.  For more

    57  * information on the Apache Software Foundation, please see

    58  * <http://www.apache.org/>.

    59  */

    60 

    61 /**

    62  * MONITORENTER - Enter monitor for object

    63  * <PRE>Stack: ..., objectref -&gt; ...</PRE>

    64  *

    65  * @author  <A HREF="mailto:markus.dahm@berlin.de">M. Dahm</A>

    66  */

    67 public class MONITORENTER extends Instruction

    68   implements ExceptionThrower, StackConsumer {

    69   public MONITORENTER() {

    70     super(com.sun.org.apache.bcel.internal.Constants.MONITORENTER, (short)1);

    71   }

    72 

    73   public Class[] getExceptions() {

    74     return new Class[] { com.sun.org.apache.bcel.internal.ExceptionConstants.NULL_POINTER_EXCEPTION };

    75   }

    76 

    77 

    78   /**

    79    * Call corresponding visitor method(s). The order is:

    80    * Call visitor methods of implemented interfaces first, then

    81    * call methods according to the class hierarchy in descending order,

    82    * i.e., the most specific visitXXX() call comes last.

    83    *

    84    * @param v Visitor object

    85    */

    86   public void accept(Visitor v) {

    87     v.visitExceptionThrower(this);

    88     v.visitStackConsumer(this);

    89     v.visitMONITORENTER(this);

    90   }

    91 }