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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  import com.sun.org.apache.bcel.internal.Constants;
61  import com.sun.org.apache.bcel.internal.ExceptionConstants;
62  
63  /**
64   * INVOKESPECIAL - Invoke instance method; special handling for superclass, private
65   * and instance initialization method invocations
66   *
67   * <PRE>Stack: ..., objectref, [arg1, [arg2 ...]] -&gt; ...</PRE>
68   *
69   * @author  <A HREF="mailto:markus.dahm@berlin.de">M. Dahm</A>
70   */
71  public class INVOKESPECIAL extends InvokeInstruction {
72    /**
73     * Empty constructor needed for the Class.newInstance() statement in
74     * Instruction.readInstruction(). Not to be used otherwise.
75     */
76    INVOKESPECIAL() {}
77  
78    public INVOKESPECIAL(int index) {
79      super(Constants.INVOKESPECIAL, index);
80    }
81  
82    public Class[] getExceptions() {
83      Class[] cs = new Class[4 + ExceptionConstants.EXCS_FIELD_AND_METHOD_RESOLUTION.length];
84  
85      System.arraycopy(ExceptionConstants.EXCS_FIELD_AND_METHOD_RESOLUTION, 0,
86                       cs, 0, ExceptionConstants.EXCS_FIELD_AND_METHOD_RESOLUTION.length);
87  
88      cs[ExceptionConstants.EXCS_FIELD_AND_METHOD_RESOLUTION.length+3] = ExceptionConstants.UNSATISFIED_LINK_ERROR;
89      cs[ExceptionConstants.EXCS_FIELD_AND_METHOD_RESOLUTION.length+2] = ExceptionConstants.ABSTRACT_METHOD_ERROR;
90      cs[ExceptionConstants.EXCS_FIELD_AND_METHOD_RESOLUTION.length+1] = ExceptionConstants.INCOMPATIBLE_CLASS_CHANGE_ERROR;
91      cs[ExceptionConstants.EXCS_FIELD_AND_METHOD_RESOLUTION.length]   = ExceptionConstants.NULL_POINTER_EXCEPTION;
92  
93      return cs;
94    }
95  
96  
97    /**
98     * Call corresponding visitor method(s). The order is:
99     * Call visitor methods of implemented interfaces first, then
100    * call methods according to the class hierarchy in descending order,
101    * i.e., the most specific visitXXX() call comes last.
102    *
103    * @param v Visitor object
104    */
105   public void accept(Visitor v) {
106     v.visitExceptionThrower(this);
107     v.visitTypedInstruction(this);
108     v.visitStackConsumer(this);
109     v.visitStackProducer(this);
110     v.visitLoadClass(this);
111     v.visitCPInstruction(this);
112     v.visitFieldOrMethod(this);
113     v.visitInvokeInstruction(this);
114     v.visitINVOKESPECIAL(this);
115   }
116 }