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.Type;
034
035import java.util.Map;
036
037/**
038 * A node that represents a type instruction. A type instruction is an
039 * instruction that takes a type descriptor as parameter.
040 * 
041 * @author Eric Bruneton
042 */
043public class TypeInsnNode extends AbstractInsnNode {
044
045    /**
046     * The operand of this instruction. This operand is an internal name (see
047     * {@link Type}).
048     */
049    public String desc;
050
051    /**
052     * Constructs a new {@link TypeInsnNode}.
053     * 
054     * @param opcode
055     *            the opcode of the type instruction to be constructed. This
056     *            opcode must be NEW, ANEWARRAY, CHECKCAST or INSTANCEOF.
057     * @param desc
058     *            the operand of the instruction to be constructed. This operand
059     *            is an internal name (see {@link Type}).
060     */
061    public TypeInsnNode(final int opcode, final String desc) {
062        super(opcode);
063        this.desc = desc;
064    }
065
066    /**
067     * Sets the opcode of this instruction.
068     * 
069     * @param opcode
070     *            the new instruction opcode. This opcode must be NEW,
071     *            ANEWARRAY, CHECKCAST or INSTANCEOF.
072     */
073    public void setOpcode(final int opcode) {
074        this.opcode = opcode;
075    }
076
077    @Override
078    public int getType() {
079        return TYPE_INSN;
080    }
081
082    @Override
083    public void accept(final MethodVisitor mv) {
084        mv.visitTypeInsn(opcode, desc);
085        acceptAnnotations(mv);
086    }
087
088    @Override
089    public AbstractInsnNode clone(final Map<LabelNode, LabelNode> labels) {
090        return new TypeInsnNode(opcode, desc).cloneAnnotations(this);
091    }
092}