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


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 type instruction. A type instruction is an
37  * instruction that takes a type descriptor as parameter.
38  *
39  * @author Eric Bruneton
40  */
41
42 public class TypeInsnNode extends AbstractInsnNode {
43
44   /**
45    * The operand of this instruction. This operand is a type descriptor (see
46    * {@link oracle.toplink.libraries.asm.Type Type}).
47    */
48
49   public String JavaDoc desc;
50
51   /**
52    * Constructs a new {@link TypeInsnNode TypeInsnNode} object.
53    *
54    * @param opcode the opcode of the type instruction to be constructed. This
55    * opcode must be NEW, ANEWARRAY, CHECKCAST or INSTANCEOF.
56    * @param desc the operand of the instruction to be constructed. This operand
57    * is a type descriptor (see {@link oracle.toplink.libraries.asm.Type Type}).
58    */
59
60   public TypeInsnNode (final int opcode, final String JavaDoc desc) {
61     super(opcode);
62     this.desc = desc;
63   }
64
65   /**
66    * Sets the opcode of this instruction.
67    *
68    * @param opcode the new instruction opcode. This opcode must be
69    * NEW, ANEWARRAY, CHECKCAST or INSTANCEOF.
70    */
71
72   public void setOpcode (final int opcode) {
73     this.opcode = opcode;
74   }
75
76   public void accept (final CodeVisitor cv) {
77     cv.visitTypeInsn(opcode, desc);
78   }
79 }
80
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