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    1   package org.apache.bcel.generic;
    2
    3   /* ====================================================================
    4    * The Apache Software License, Version 1.1
    5    *
    6    * Copyright (c) 2001 The Apache Software Foundation.  All rights
    7    * reserved.
    8    *
    9    * Redistribution and use in source and binary forms, with or without
    10   * modification, are permitted provided that the following conditions
    11   * are met:
    12   *
    13   * 1. Redistributions of source code must retain the above copyright
    14   *    notice, this list of conditions and the following disclaimer.
    15   *
    16   * 2. Redistributions in binary form must reproduce the above copyright
    17   *    notice, this list of conditions and the following disclaimer in
    18   *    the documentation and/or other materials provided with the
    19   *    distribution.
    20   *
    21   * 3. The end-user documentation included with the redistribution,
    22   *    if any, must include the following acknowledgment:
    23   *       "This product includes software developed by the
    24   *        Apache Software Foundation (http://www.apache.org/)."
    25   *    Alternately, this acknowledgment may appear in the software itself,
    26   *    if and wherever such third-party acknowledgments normally appear.
    27   *
    28   * 4. The names "Apache" and "Apache Software Foundation" and
    29   *    "Apache BCEL" must not be used to endorse or promote products
    30   *    derived from this software without prior written permission. For
    31   *    written permission, please contact apache@apache.org.
    32   *
    33   * 5. Products derived from this software may not be called "Apache",
    34   *    "Apache BCEL", nor may "Apache" appear in their name, without
    35   *    prior written permission of the Apache Software Foundation.
    36   *
    37   * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
    38   * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
    39   * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
    40   * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
    41   * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
    42   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
    43   * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
    44   * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
    45   * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
    46   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
    47   * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
    48   * SUCH DAMAGE.
    49   * ====================================================================
    50   *
    51   * This software consists of voluntary contributions made by many
    52   * individuals on behalf of the Apache Software Foundation.  For more
    53   * information on the Apache Software Foundation, please see
    54   * <http://www.apache.org/>;.
    55   */
    56  import java.io.*;
    57  import org.apache.bcel.ExceptionConstants;
    58
    59  /***
    60   * NEW - Create new object
    61   * <PRE>Stack: ... -> ..., objectref</PRE>
    62   *
    63   * @version $Id: NEW.java,v 1.1.1.1 2001/10/29 20:00:24 jvanzyl Exp $
    64   * @author  <A HREF="mailto:markus.dahm@berlin.de">M. Dahm</A>
    65   */
    66  public class NEW extends CPInstruction
    67    implements LoadClass, AllocationInstruction, ExceptionThrower, StackProducer {
    68    /***
    69     * Empty constructor needed for the Class.newInstance() statement in
    70     * Instruction.readInstruction(). Not to be used otherwise.
    71     */
    72    NEW() {}
    73
    74    public NEW(int index) {
    75      super(org.apache.bcel.Constants.NEW, index);
    76    }
    77
    78    public Class[] getExceptions(){
    79      Class[] cs = new Class[2 + ExceptionConstants.EXCS_CLASS_AND_INTERFACE_RESOLUTION.length];
    80
    81      System.arraycopy(ExceptionConstants.EXCS_CLASS_AND_INTERFACE_RESOLUTION, 0,
    82  		     cs, 0, ExceptionConstants.EXCS_CLASS_AND_INTERFACE_RESOLUTION.length);
    83
    84      cs[ExceptionConstants.EXCS_CLASS_AND_INTERFACE_RESOLUTION.length+1] = ExceptionConstants.INSTANTIATION_ERROR;
    85      cs[ExceptionConstants.EXCS_CLASS_AND_INTERFACE_RESOLUTION.length]   = ExceptionConstants.ILLEGAL_ACCESS_ERROR;
    86
    87      return cs;
    88    }
    89
    90    public ObjectType getLoadClassType(ConstantPoolGen cpg) {
    91      return (ObjectType)getType(cpg);
    92    }
    93
    94    /***
    95     * Call corresponding visitor method(s). The order is:
    96     * Call visitor methods of implemented interfaces first, then
    97     * call methods according to the class hierarchy in descending order,
    98     * i.e., the most specific visitXXX() call comes last.
    99     *
    100    * @param v Visitor object
    101    */
    102   public void accept(Visitor v) {
    103     v.visitLoadClass(this);
    104     v.visitAllocationInstruction(this);
    105     v.visitExceptionThrower(this);
    106     v.visitStackProducer(this);
    107     v.visitTypedInstruction(this);
    108     v.visitCPInstruction(this);
    109     v.visitNEW(this);
    110   }
    111 }

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