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1 /* |
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2 * reserved comment block |
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3 * DO NOT REMOVE OR ALTER! |
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4 */ |
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5 package com.sun.org.apache.bcel.internal.generic; |
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6 |
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7 /* ==================================================================== |
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8 * The Apache Software License, Version 1.1 |
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9 * |
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10 * Copyright (c) 2001 The Apache Software Foundation. All rights |
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11 * reserved. |
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12 * |
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13 * Redistribution and use in source and binary forms, with or without |
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14 * modification, are permitted provided that the following conditions |
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15 * are met: |
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16 * |
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17 * 1. Redistributions of source code must retain the above copyright |
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18 * notice, this list of conditions and the following disclaimer. |
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19 * |
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20 * 2. Redistributions in binary form must reproduce the above copyright |
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21 * notice, this list of conditions and the following disclaimer in |
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22 * the documentation and/or other materials provided with the |
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23 * distribution. |
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24 * |
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25 * 3. The end-user documentation included with the redistribution, |
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26 * if any, must include the following acknowledgment: |
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27 * "This product includes software developed by the |
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28 * Apache Software Foundation (http://www.apache.org/)." |
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29 * Alternately, this acknowledgment may appear in the software itself, |
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30 * if and wherever such third-party acknowledgments normally appear. |
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31 * |
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32 * 4. The names "Apache" and "Apache Software Foundation" and |
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33 * "Apache BCEL" must not be used to endorse or promote products |
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34 * derived from this software without prior written permission. For |
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35 * written permission, please contact apache@apache.org. |
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36 * |
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37 * 5. Products derived from this software may not be called "Apache", |
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38 * "Apache BCEL", nor may "Apache" appear in their name, without |
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39 * prior written permission of the Apache Software Foundation. |
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40 * |
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41 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED |
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42 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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43 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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44 * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR |
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45 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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46 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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47 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
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48 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
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49 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
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50 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
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51 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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52 * SUCH DAMAGE. |
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53 * ==================================================================== |
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54 * |
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55 * This software consists of voluntary contributions made by many |
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56 * individuals on behalf of the Apache Software Foundation. For more |
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57 * information on the Apache Software Foundation, please see |
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58 * <http://www.apache.org/>. |
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59 */ |
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60 |
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61 import com.sun.org.apache.bcel.internal.Constants; |
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62 import com.sun.org.apache.bcel.internal.ExceptionConstants; |
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63 |
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64 /** |
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65 * PUTSTATIC - Put static field in class |
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66 * <PRE>Stack: ..., value -> ...</PRE> |
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67 * OR |
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68 * <PRE>Stack: ..., value.word1, value.word2 -> ...</PRE> |
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69 * |
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70 * @author <A HREF="mailto:markus.dahm@berlin.de">M. Dahm</A> |
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71 */ |
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72 public class PUTSTATIC extends FieldInstruction |
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73 implements ExceptionThrower, PopInstruction { |
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74 /** |
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75 * Empty constructor needed for the Class.newInstance() statement in |
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76 * Instruction.readInstruction(). Not to be used otherwise. |
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77 */ |
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78 PUTSTATIC() {} |
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79 |
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80 public PUTSTATIC(int index) { |
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81 super(Constants.PUTSTATIC, index); |
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82 } |
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83 |
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84 public int consumeStack(ConstantPoolGen cpg) { return getFieldSize(cpg); } |
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85 |
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86 public Class[] getExceptions() { |
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87 Class[] cs = new Class[1 + ExceptionConstants.EXCS_FIELD_AND_METHOD_RESOLUTION.length]; |
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88 |
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89 System.arraycopy(ExceptionConstants.EXCS_FIELD_AND_METHOD_RESOLUTION, 0, |
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90 cs, 0, ExceptionConstants.EXCS_FIELD_AND_METHOD_RESOLUTION.length); |
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91 cs[ExceptionConstants.EXCS_FIELD_AND_METHOD_RESOLUTION.length] = |
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92 ExceptionConstants.INCOMPATIBLE_CLASS_CHANGE_ERROR; |
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93 |
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94 return cs; |
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95 } |
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96 |
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97 |
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98 /** |
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99 * Call corresponding visitor method(s). The order is: |
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100 * Call visitor methods of implemented interfaces first, then |
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101 * call methods according to the class hierarchy in descending order, |
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102 * i.e., the most specific visitXXX() call comes last. |
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103 * |
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104 * @param v Visitor object |
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105 */ |
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106 public void accept(Visitor v) { |
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107 v.visitExceptionThrower(this); |
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108 v.visitStackConsumer(this); |
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109 v.visitPopInstruction(this); |
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110 v.visitTypedInstruction(this); |
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111 v.visitLoadClass(this); |
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112 v.visitCPInstruction(this); |
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113 v.visitFieldOrMethod(this); |
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114 v.visitFieldInstruction(this); |
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115 v.visitPUTSTATIC(this); |
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116 } |
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117 } |