org.objectweb.asm.tree.FieldInsnNode.java Source code

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Here is the source code for org.objectweb.asm.tree.FieldInsnNode.java

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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
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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
 */
public class FieldInsnNode extends AbstractInsnNode {

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

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

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

    /**
     * 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}).
     * @param name the field's name.
     * @param descriptor the field's descriptor (see {@link org.objectweb.asm.Type}).
     */
    public FieldInsnNode(final int opcode, final String owner, final String name, final String descriptor) {
        super(opcode);
        this.owner = owner;
        this.name = name;
        this.desc = descriptor;
    }

    /**
     * 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 methodVisitor) {
        methodVisitor.visitFieldInsn(opcode, owner, name, desc);
        acceptAnnotations(methodVisitor);
    }

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