1   package org.apache.bcel.generic;
2   
3   /* ====================================================================
4    * The Apache Software License, Version 1.1
5    *
6    * Copyright (c) 2001 The Apache Software Foundation.  All rights
7    * reserved.
8    *
9    * Redistribution and use in source and binary forms, with or without
10   * modification, are permitted provided that the following conditions
11   * are met:
12   *
13   * 1. Redistributions of source code must retain the above copyright
14   *    notice, this list of conditions and the following disclaimer.
15   *
16   * 2. Redistributions in binary form must reproduce the above copyright
17   *    notice, this list of conditions and the following disclaimer in
18   *    the documentation and/or other materials provided with the
19   *    distribution.
20   *
21   * 3. The end-user documentation included with the redistribution,
22   *    if any, must include the following acknowledgment:
23   *       "This product includes software developed by the
24   *        Apache Software Foundation (http://www.apache.org/)."
25   *    Alternately, this acknowledgment may appear in the software itself,
26   *    if and wherever such third-party acknowledgments normally appear.
27   *
28   * 4. The names "Apache" and "Apache Software Foundation" and
29   *    "Apache BCEL" must not be used to endorse or promote products
30   *    derived from this software without prior written permission. For
31   *    written permission, please contact apache@apache.org.
32   *
33   * 5. Products derived from this software may not be called "Apache",
34   *    "Apache BCEL", nor may "Apache" appear in their name, without
35   *    prior written permission of the Apache Software Foundation.
36   *
37   * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
38   * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
39   * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
40   * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
41   * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
42   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
43   * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
44   * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
45   * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
46   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
47   * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
48   * SUCH DAMAGE.
49   * ====================================================================
50   *
51   * This software consists of voluntary contributions made by many
52   * individuals on behalf of the Apache Software Foundation.  For more
53   * information on the Apache Software Foundation, please see
54   * <http://www.apache.org/>.
55   */
56  import org.apache.bcel.Constants;
57  import org.apache.bcel.ExceptionConstants;
58  
59  /*** 
60   * INVOKESTATIC - Invoke a class (static) method
61   *
62   * <PRE>Stack: ..., [arg1, [arg2 ...]] -> ...</PRE>
63   *
64   * @version $Id: INVOKESTATIC.java,v 1.1.1.1 2001/10/29 20:00:17 jvanzyl Exp $
65   * @author  <A HREF="mailto:markus.dahm@berlin.de">M. Dahm</A>
66   */
67  public class INVOKESTATIC extends InvokeInstruction {
68    /***
69     * Empty constructor needed for the Class.newInstance() statement in
70     * Instruction.readInstruction(). Not to be used otherwise.
71     */
72    INVOKESTATIC() {}
73  
74    public INVOKESTATIC(int index) {
75      super(Constants.INVOKESTATIC, index);
76    }
77  
78    public Class[] getExceptions() {
79      Class[] cs = new Class[2 + ExceptionConstants.EXCS_FIELD_AND_METHOD_RESOLUTION.length];
80  
81      System.arraycopy(ExceptionConstants.EXCS_FIELD_AND_METHOD_RESOLUTION, 0,
82  		     cs, 0, ExceptionConstants.EXCS_FIELD_AND_METHOD_RESOLUTION.length);
83  
84      cs[ExceptionConstants.EXCS_FIELD_AND_METHOD_RESOLUTION.length] = ExceptionConstants.UNSATISFIED_LINK_ERROR;
85      cs[ExceptionConstants.EXCS_FIELD_AND_METHOD_RESOLUTION.length+1] = ExceptionConstants.INCOMPATIBLE_CLASS_CHANGE_ERROR;
86  
87      return cs;
88    }
89  
90  
91    /***
92     * Call corresponding visitor method(s). The order is:
93     * Call visitor methods of implemented interfaces first, then
94     * call methods according to the class hierarchy in descending order,
95     * i.e., the most specific visitXXX() call comes last.
96     *
97     * @param v Visitor object
98     */
99    public void accept(Visitor v) {
100     v.visitExceptionThrower(this);
101     v.visitTypedInstruction(this);
102     v.visitStackConsumer(this);
103     v.visitStackProducer(this);
104     v.visitLoadClass(this);
105     v.visitCPInstruction(this);
106     v.visitFieldOrMethod(this);
107     v.visitInvokeInstruction(this);
108     v.visitINVOKESTATIC(this);
109   }
110 }
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