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


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 type instruction. A type instruction is an
36  * instruction that takes a type descriptor as parameter.
37  *
38  * @author Eric Bruneton
39  */
40 public class TypeInsnNode extends AbstractInsnNode {
41
42     /**
43      * The operand of this instruction. This operand is a type descriptor (see
44      * {@link org.objectweb.asm.Type}).
45      */
46     public String JavaDoc desc;
47
48     /**
49      * Constructs a new {@link TypeInsnNode}.
50      *
51      * @param opcode the opcode of the type instruction to be constructed. This
52      * opcode must be NEW, ANEWARRAY, CHECKCAST or INSTANCEOF.
53      * @param desc the operand of the instruction to be constructed. This
54      * operand is a type descriptor (see {@link org.objectweb.asm.Type}).
55      */
56     public TypeInsnNode(final int opcode, final String JavaDoc desc) {
57         super(opcode);
58         this.desc = desc;
59     }
60
61     /**
62      * Sets the opcode of this instruction.
63      *
64      * @param opcode the new instruction opcode. This opcode must be NEW,
65      * ANEWARRAY, CHECKCAST or INSTANCEOF.
66      */
67     public void setOpcode(final int opcode) {
68         this.opcode = opcode;
69     }
70
71     public void accept(final MethodVisitor mv) {
72         mv.visitTypeInsn(opcode, desc);
73     }
74
75     public int getType() {
76         return TYPE_INSN;
77     }
78 }
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