ASM: a very small and fast Java bytecode manipulation framework
Copyright (c) 2000-2011 INRIA, France Telecom
All rights reserved.
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modification, are permitted provided that the following conditions
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   notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
   notice, this list of conditions and the following disclaimer in the
   documentation and/or other materials provided with the distribution.
3. Neither the name of the copyright holders nor the names of its
   contributors may be used to endorse or promote products derived from
   this software without specific prior written permission.
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/***
 * ASM: a very small and fast Java bytecode manipulation framework
 * Copyright (c) 2000-2011 INRIA, France Telecom
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the copyright holders nor the names of its
 *    contributors may be used to endorse or promote products derived from
 *    this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
 * THE POSSIBILITY OF SUCH DAMAGE.
 */
package org.objectweb.asm.tree;

import java.util.Map;

import org.objectweb.asm.MethodVisitor;

A node that represents a field instruction. A field instruction is an
instruction that loads or stores the value of a field of an object.
Author:
Eric Bruneton/**
 * A node that represents a field instruction. A field instruction is an
 * instruction that loads or stores the value of a field of an object.
 * 
 * @author Eric Bruneton
 */
public class FieldInsnNode extends AbstractInsnNode {

    
The internal name of the field's owner class (see getInternalName). /**
     * The internal name of the field's owner class (see
     * {@link org.objectweb.asm.Type#getInternalName() getInternalName}).
     */
    public String owner;

    
The field's name.
/**
     * The field's name.
     */
    public String name;

    
The field's descriptor (see Type). /**
     * The field's descriptor (see {@link org.objectweb.asm.Type}).
     */
    public String desc;

    
Constructs a new FieldInsnNode. 
Params:
opcode – 
           the opcode of the type instruction to be constructed. This
           opcode must be GETSTATIC, PUTSTATIC, GETFIELD or PUTFIELD.
owner –  the internal name of the field's owner class (see 
           getInternalName).
name – 
           the field's name.
desc –  the field's descriptor (see Type)./**
     * Constructs a new {@link FieldInsnNode}.
     * 
     * @param opcode
     *            the opcode of the type instruction to be constructed. This
     *            opcode must be GETSTATIC, PUTSTATIC, GETFIELD or PUTFIELD.
     * @param owner
     *            the internal name of the field's owner class (see
     *            {@link org.objectweb.asm.Type#getInternalName()
     *            getInternalName}).
     * @param name
     *            the field's name.
     * @param desc
     *            the field's descriptor (see {@link org.objectweb.asm.Type}).
     */
    public FieldInsnNode(final int opcode, final String owner,
            final String name, final String desc) {
        super(opcode);
        this.owner = owner;
        this.name = name;
        this.desc = desc;
    }

    
Sets the opcode of this instruction.
Params:
opcode – 
           the new instruction opcode. This opcode must be GETSTATIC,
           PUTSTATIC, GETFIELD or PUTFIELD./**
     * Sets the opcode of this instruction.
     * 
     * @param opcode
     *            the new instruction opcode. This opcode must be GETSTATIC,
     *            PUTSTATIC, GETFIELD or PUTFIELD.
     */
    public void setOpcode(final int opcode) {
        this.opcode = opcode;
    }

    @Override
    public int getType() {
        return FIELD_INSN;
    }

    @Override
    public void accept(final MethodVisitor mv) {
        mv.visitFieldInsn(opcode, owner, name, desc);
        acceptAnnotations(mv);
    }

    @Override
    public AbstractInsnNode clone(final Map<LabelNode, LabelNode> labels) {
        return new FieldInsnNode(opcode, owner, name, desc)
                .cloneAnnotations(this);
    }
}