1/***
2 * ASM: a very small and fast Java bytecode manipulation framework
3 * Copyright (c) 2000-2007 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 */
30package org.mockito.asm.tree;
31
32import java.util.Map;
33
34import org.mockito.asm.MethodVisitor;
35
36/**
37 * A node that represents a field instruction. A field instruction is an
38 * instruction that loads or stores the value of a field of an object.
39 *
40 * @author Eric Bruneton
41 */
42public class FieldInsnNode extends AbstractInsnNode {
43
44    /**
45     * The internal name of the field's owner class (see
46     * {@link org.mockito.asm.Type#getInternalName() getInternalName}).
47     */
48    public String owner;
49
50    /**
51     * The field's name.
52     */
53    public String name;
54
55    /**
56     * The field's descriptor (see {@link org.mockito.asm.Type}).
57     */
58    public String desc;
59
60    /**
61     * Constructs a new {@link FieldInsnNode}.
62     *
63     * @param opcode the opcode of the type instruction to be constructed. This
64     *        opcode must be GETSTATIC, PUTSTATIC, GETFIELD or PUTFIELD.
65     * @param owner the internal name of the field's owner class (see
66     *        {@link org.mockito.asm.Type#getInternalName() getInternalName}).
67     * @param name the field's name.
68     * @param desc the field's descriptor (see {@link org.mockito.asm.Type}).
69     */
70    public FieldInsnNode(
71        final int opcode,
72        final String owner,
73        final String name,
74        final String desc)
75    {
76        super(opcode);
77        this.owner = owner;
78        this.name = name;
79        this.desc = desc;
80    }
81
82    /**
83     * Sets the opcode of this instruction.
84     *
85     * @param opcode the new instruction opcode. This opcode must be GETSTATIC,
86     *        PUTSTATIC, GETFIELD or PUTFIELD.
87     */
88    public void setOpcode(final int opcode) {
89        this.opcode = opcode;
90    }
91
92    public int getType() {
93        return FIELD_INSN;
94    }
95
96    public void accept(final MethodVisitor cv) {
97        cv.visitFieldInsn(opcode, owner, name, desc);
98    }
99
100    public AbstractInsnNode clone(final Map labels) {
101        return new FieldInsnNode(opcode, owner, name, desc);
102    }
103}
104