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Java > Open Source Codes > com > tc > asm > tree > MethodInsnNode


1 /***
2  * ASM: a very small and fast Java bytecode manipulation framework
3  * Copyright (c) 2000-2005 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 package com.tc.asm.tree;
31
32 import com.tc.asm.MethodVisitor;
33
34 /**
35  * A node that represents a method instruction. A method instruction is an
36  * instruction that invokes a method.
37  *
38  * @author Eric Bruneton
39  */
40 public class MethodInsnNode extends AbstractInsnNode {
41
42     /**
43      * The internal name of the method's owner class (see
44      * {@link org.objectweb.asm.Type#getInternalName() getInternalName}).
45      */
46     public String JavaDoc owner;
47
48     /**
49      * The method's name.
50      */
51     public String JavaDoc name;
52
53     /**
54      * The method's descriptor (see {@link org.objectweb.asm.Type}).
55      */
56     public String JavaDoc desc;
57
58     /**
59      * Constructs a new {@link MethodInsnNode}.
60      *
61      * @param opcode the opcode of the type instruction to be constructed. This
62      * opcode must be INVOKEVIRTUAL, INVOKESPECIAL, INVOKESTATIC or
63      * INVOKEINTERFACE.
64      * @param owner the internal name of the method's owner class (see
65      * {@link org.objectweb.asm.Type#getInternalName() getInternalName}).
66      * @param name the method's name.
67      * @param desc the method's descriptor (see {@link org.objectweb.asm.Type}).
68      */
69     public MethodInsnNode(
70         final int opcode,
71         final String JavaDoc owner,
72         final String JavaDoc name,
73         final String JavaDoc desc)
74     {
75         super(opcode);
76         this.owner = owner;
77         this.name = name;
78         this.desc = desc;
79     }
80
81     /**
82      * Sets the opcode of this instruction.
83      *
84      * @param opcode the new instruction opcode. This opcode must be
85      * INVOKEVIRTUAL, INVOKESPECIAL, INVOKESTATIC or INVOKEINTERFACE.
86      */
87     public void setOpcode(final int opcode) {
88         this.opcode = opcode;
89     }
90
91     public void accept(final MethodVisitor mv) {
92         mv.visitMethodInsn(opcode, owner, name, desc);
93     }
94
95     public int getType() {
96         return METHOD_INSN;
97     }
98 }
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