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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
    57  import org.apache.bcel.Constants;
    58  import org.apache.bcel.ExceptionConstants;
    59
    60  /***
    61   * PUTSTATIC - Put static field in class
    62   * <PRE>Stack: ..., value -> ...</PRE>
    63   * OR
    64   * <PRE>Stack: ..., value.word1, value.word2 -> ...</PRE>
    65   *
    66   * @version $Id: PUTSTATIC.java,v 1.2 2002/12/08 16:04:37 mdahm Exp $
    67   * @author  <A HREF="mailto:markus.dahm@berlin.de">M. Dahm</A>
    68   */
    69  public class PUTSTATIC extends FieldInstruction
    70    implements ExceptionThrower, PopInstruction {
    71    /***
    72     * Empty constructor needed for the Class.newInstance() statement in
    73     * Instruction.readInstruction(). Not to be used otherwise.
    74     */
    75    PUTSTATIC() {}
    76
    77    public PUTSTATIC(int index) {
    78      super(Constants.PUTSTATIC, index);
    79    }
    80
    81    public int consumeStack(ConstantPoolGen cpg) { return getFieldSize(cpg); }
    82
    83    public Class[] getExceptions() {
    84      Class[] cs = new Class[1 + ExceptionConstants.EXCS_FIELD_AND_METHOD_RESOLUTION.length];
    85
    86      System.arraycopy(ExceptionConstants.EXCS_FIELD_AND_METHOD_RESOLUTION, 0,
    87  		     cs, 0, ExceptionConstants.EXCS_FIELD_AND_METHOD_RESOLUTION.length);
    88      cs[ExceptionConstants.EXCS_FIELD_AND_METHOD_RESOLUTION.length] =
    89        ExceptionConstants.INCOMPATIBLE_CLASS_CHANGE_ERROR;
    90
    91      return cs;
    92    }
    93
    94
    95    /***
    96     * Call corresponding visitor method(s). The order is:
    97     * Call visitor methods of implemented interfaces first, then
    98     * call methods according to the class hierarchy in descending order,
    99     * i.e., the most specific visitXXX() call comes last.
    100    *
    101    * @param v Visitor object
    102    */
    103   public void accept(Visitor v) {
    104     v.visitExceptionThrower(this);
    105     v.visitStackConsumer(this);
    106     v.visitPopInstruction(this);
    107     v.visitTypedInstruction(this);
    108     v.visitLoadClass(this);
    109     v.visitCPInstruction(this);
    110     v.visitFieldOrMethod(this);
    111     v.visitFieldInstruction(this);
    112     v.visitPUTSTATIC(this);
    113   }
    114 }

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