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 org.objectweb.asm.tree;
31 
32 import org.objectweb.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 owner;
47 
48     /**
49      * The method's name.
50      */
51     public String name;
52 
53     /**
54      * The method's descriptor (see {@link org.objectweb.asm.Type}).
55      */
56     public String 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      */
MethodInsnNode( final int opcode, final String owner, final String name, final String desc)69     public MethodInsnNode(
70         final int opcode,
71         final String owner,
72         final String name,
73         final String 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      */
setOpcode(final int opcode)87     public void setOpcode(final int opcode) {
88         this.opcode = opcode;
89     }
90 
accept(final MethodVisitor mv)91     public void accept(final MethodVisitor mv) {
92         mv.visitMethodInsn(opcode, owner, name, desc);
93     }
94 
getType()95     public int getType() {
96         return METHOD_INSN;
97     }
98 }
99