001/***
002 * ASM: a very small and fast Java bytecode manipulation framework
003 * Copyright (c) 2000-2011 INRIA, France Telecom
004 * All rights reserved.
005 *
006 * Redistribution and use in source and binary forms, with or without
007 * modification, are permitted provided that the following conditions
008 * are met:
009 * 1. Redistributions of source code must retain the above copyright
010 *    notice, this list of conditions and the following disclaimer.
011 * 2. Redistributions in binary form must reproduce the above copyright
012 *    notice, this list of conditions and the following disclaimer in the
013 *    documentation and/or other materials provided with the distribution.
014 * 3. Neither the name of the copyright holders nor the names of its
015 *    contributors may be used to endorse or promote products derived from
016 *    this software without specific prior written permission.
017 *
018 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
019 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
020 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
021 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
022 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
023 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
024 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
025 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
026 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
027 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
028 * THE POSSIBILITY OF SUCH DAMAGE.
029 */
030package io.ebean.enhance.asm.tree;
031
032import io.ebean.enhance.asm.MethodVisitor;
033import io.ebean.enhance.asm.Opcodes;
034import io.ebean.enhance.asm.Type;
035
036import java.util.Map;
037
038/**
039 * A node that represents an LDC instruction.
040 * 
041 * @author Eric Bruneton
042 */
043public class LdcInsnNode extends AbstractInsnNode {
044
045    /**
046     * The constant to be loaded on the stack. This parameter must be a non null
047     * {@link Integer}, a {@link Float}, a {@link Long}, a {@link Double}, a
048     * {@link String} or a {@link Type}.
049     */
050    public Object cst;
051
052    /**
053     * Constructs a new {@link LdcInsnNode}.
054     * 
055     * @param cst
056     *            the constant to be loaded on the stack. This parameter must be
057     *            a non null {@link Integer}, a {@link Float}, a {@link Long}, a
058     *            {@link Double} or a {@link String}.
059     */
060    public LdcInsnNode(final Object cst) {
061        super(Opcodes.LDC);
062        this.cst = cst;
063    }
064
065    @Override
066    public int getType() {
067        return LDC_INSN;
068    }
069
070    @Override
071    public void accept(final MethodVisitor mv) {
072        mv.visitLdcInsn(cst);
073        acceptAnnotations(mv);
074    }
075
076    @Override
077    public AbstractInsnNode clone(final Map<LabelNode, LabelNode> labels) {
078        return new LdcInsnNode(cst).cloneAnnotations(this);
079    }
080}