// 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
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package org.apache.tapestry5.internal.plastic.asm.tree;

import java.util.Map;

import org.apache.tapestry5.internal.plastic.asm.MethodVisitor;

/**
 * A node that represents a type instruction. A type instruction is an instruction that takes a type
 * descriptor as parameter.
 *
 * @author Eric Bruneton
 */
public class TypeInsnNode extends AbstractInsnNode {

  /**
   * The operand of this instruction. This operand is an internal name (see {@link
   * org.apache.tapestry5.internal.plastic.asm.Type}).
   */
  public String desc;

  /**
   * Constructs a new {@link TypeInsnNode}.
   *
   * @param opcode the opcode of the type instruction to be constructed. This opcode must be NEW,
   *     ANEWARRAY, CHECKCAST or INSTANCEOF.
   * @param descriptor the operand of the instruction to be constructed. This operand is an internal
   *     name (see {@link org.apache.tapestry5.internal.plastic.asm.Type}).
   */
  public TypeInsnNode(final int opcode, final String descriptor) {
    super(opcode);
    this.desc = descriptor;
  }

  /**
   * Sets the opcode of this instruction.
   *
   * @param opcode the new instruction opcode. This opcode must be NEW, ANEWARRAY, CHECKCAST or
   *     INSTANCEOF.
   */
  public void setOpcode(final int opcode) {
    this.opcode = opcode;
  }

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

  @Override
  public void accept(final MethodVisitor methodVisitor) {
    methodVisitor.visitTypeInsn(opcode, desc);
    acceptAnnotations(methodVisitor);
  }

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