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 ...]] -> ...</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 }