01: /***
02: * ASM: a very small and fast Java bytecode manipulation framework
03: * Copyright (c) 2000,2002,2003 INRIA, France Telecom
04: * All rights reserved.
05: *
06: * Redistribution and use in source and binary forms, with or without
07: * modification, are permitted provided that the following conditions
08: * are met:
09: * 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: */package oracle.toplink.libraries.asm.tree;
30:
31: import oracle.toplink.libraries.asm.CodeVisitor;
32:
33: /**
34: * A node that represents a field instruction. A field instruction is an
35: * instruction that loads or stores the value of a field of an object.
36: *
37: * @author Eric Bruneton
38: */
39:
40: public class FieldInsnNode extends AbstractInsnNode {
41:
42: /**
43: * The internal name of the field's owner class (see {@link
44: * oracle.toplink.libraries.asm.Type#getInternalName() getInternalName}).
45: */
46:
47: public String owner;
48:
49: /**
50: * The field's name.
51: */
52:
53: public String name;
54:
55: /**
56: * The field's descriptor (see {@link oracle.toplink.libraries.asm.Type Type}).
57: */
58:
59: public String desc;
60:
61: /**
62: * Constructs a new {@link FieldInsnNode FieldInsnNode} object.
63: *
64: * @param opcode the opcode of the type instruction to be constructed. This
65: * opcode must be GETSTATIC, PUTSTATIC, GETFIELD or PUTFIELD.
66: * @param owner the internal name of the field's owner class (see {@link
67: * oracle.toplink.libraries.asm.Type#getInternalName() getInternalName}).
68: * @param name the field's name.
69: * @param desc the field's descriptor (see {@link oracle.toplink.libraries.asm.Type
70: * Type}).
71: */
72:
73: public FieldInsnNode(final int opcode, final String owner,
74: final String name, final String desc) {
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 GETSTATIC,
85: * PUTSTATIC, GETFIELD or PUTFIELD.
86: */
87:
88: public void setOpcode(final int opcode) {
89: this .opcode = opcode;
90: }
91:
92: public void accept(final CodeVisitor cv) {
93: cv.visitFieldInsn(opcode, owner, name, desc);
94: }
95: }
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