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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 /** |
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62 * IFLE - Branch if int comparison with zero succeeds |
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63 * |
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64 * <PRE>Stack: ..., value -> ...</PRE> |
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65 * |
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66 * @author <A HREF="mailto:markus.dahm@berlin.de">M. Dahm</A> |
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67 */ |
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68 public class IFLE extends IfInstruction { |
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69 /** |
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70 * Empty constructor needed for the Class.newInstance() statement in |
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71 * Instruction.readInstruction(). Not to be used otherwise. |
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72 */ |
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73 IFLE() {} |
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74 |
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75 public IFLE(InstructionHandle target) { |
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76 super(com.sun.org.apache.bcel.internal.Constants.IFLE, target); |
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77 } |
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78 |
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79 /** |
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80 * @return negation of instruction |
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81 */ |
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82 public IfInstruction negate() { |
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83 return new IFGT(target); |
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84 } |
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85 |
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86 |
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87 /** |
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88 * Call corresponding visitor method(s). The order is: |
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89 * Call visitor methods of implemented interfaces first, then |
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90 * call methods according to the class hierarchy in descending order, |
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91 * i.e., the most specific visitXXX() call comes last. |
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92 * |
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93 * @param v Visitor object |
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94 */ |
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95 public void accept(Visitor v) { |
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96 v.visitStackConsumer(this); |
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97 v.visitBranchInstruction(this); |
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98 v.visitIfInstruction(this); |
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99 v.visitIFLE(this); |
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100 } |
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101 } |