/***
 * ASM: a very small and fast Java bytecode manipulation framework
 * Copyright (c) 2000,2002,2003 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.eclipse.persistence.internal.libraries.asm.tree;

import org.eclipse.persistence.internal.libraries.asm.Label;
import org.eclipse.persistence.internal.libraries.asm.CodeVisitor;

/**
 * A node that represents a try catch block.
 * 
 * @author Eric Bruneton
 */

public class TryCatchBlockNode {

  /**
   * Beginning of the exception handler's scope (inclusive).
   */

  public Label start;

  /**
   * End of the exception handler's scope (exclusive).
   */

  public Label end;

  /**
   * Beginning of the exception handler's code.
   */

  public Label handler;

  /**
   * Internal name of the type of exceptions handled by the handler. May be
   * <tt>null</tt> to catch any exceptions (for "finally" blocks).
   */

  public String type;

  /**
   * Constructs a new {@link TryCatchBlockNode TryCatchBlockNode} object.
   *
   * @param start beginning of the exception handler's scope (inclusive).
   * @param end end of the exception handler's scope (exclusive).
   * @param handler beginning of the exception handler's code.
   * @param type internal name of the type of exceptions handled by the handler,
   *      or <tt>null</tt> to catch any exceptions (for "finally" blocks).
   */

  public TryCatchBlockNode (
    final Label start,
    final Label end,
    final Label handler,
    final String type)
  {
    this.start = start;
    this.end = end;
    this.handler = handler;
    this.type = type;
  }

  /**
   * Makes the given code visitor visit this try catch block.
   *
   * @param cv a code visitor.
   */

  public void accept (final CodeVisitor cv) {
    cv.visitTryCatchBlock(start, end, handler, type);
  }
}
