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Java > Open Source Codes > oracle > toplink > libraries > asm > tree > MethodInsnNode


1 /***
2  * ASM: a very small and fast Java bytecode manipulation framework
3  * Copyright (c) 2000,2002,2003 INRIA, France Telecom
4  * All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  * notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  * notice, this list of conditions and the following disclaimer in the
13  * documentation and/or other materials provided with the distribution.
14  * 3. Neither the name of the copyright holders nor the names of its
15  * contributors may be used to endorse or promote products derived from
16  * this software without specific prior written permission.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
19  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
22  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
28  * THE POSSIBILITY OF SUCH DAMAGE.
29  */
30
31 package oracle.toplink.libraries.asm.tree;
32
33 import oracle.toplink.libraries.asm.CodeVisitor;
34
35 /**
36  * A node that represents a method instruction. A method instruction is an
37  * instruction that invokes a method.
38  *
39  * @author Eric Bruneton
40  */
41
42 public class MethodInsnNode extends AbstractInsnNode {
43
44   /**
45    * The internal name of the method's owner class (see {@link
46    * oracle.toplink.libraries.asm.Type#getInternalName() getInternalName}).
47    */
48
49   public String JavaDoc owner;
50
51   /**
52    * The method's name.
53    */
54
55   public String JavaDoc name;
56
57   /**
58    * The method's descriptor (see {@link oracle.toplink.libraries.asm.Type Type}).
59    */
60
61   public String JavaDoc desc;
62
63   /**
64    * Constructs a new {@link MethodInsnNode MethodInsnNode} object.
65    *
66    * @param opcode the opcode of the type instruction to be constructed. This
67    * opcode must be INVOKEVIRTUAL, INVOKESPECIAL, INVOKESTATIC or
68    * INVOKEINTERFACE.
69    * @param owner the internal name of the method's owner class (see {@link
70    * oracle.toplink.libraries.asm.Type#getInternalName() getInternalName}).
71    * @param name the method's name.
72    * @param desc the method's descriptor (see {@link oracle.toplink.libraries.asm.Type
73    * Type}).
74    */
75
76   public MethodInsnNode (
77     final int opcode,
78     final String JavaDoc owner,
79     final String JavaDoc name,
80     final String JavaDoc desc)
81   {
82     super(opcode);
83     this.owner = owner;
84     this.name = name;
85     this.desc = desc;
86   }
87
88   /**
89    * Sets the opcode of this instruction.
90    *
91    * @param opcode the new instruction opcode. This opcode must be
92    * INVOKEVIRTUAL, INVOKESPECIAL, INVOKESTATIC or INVOKEINTERFACE.
93    */
94
95   public void setOpcode (final int opcode) {
96     this.opcode = opcode;
97   }
98
99   public void accept (final CodeVisitor cv) {
100     cv.visitMethodInsn(opcode, owner, name, desc);
101   }
102 }
103
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