1 /* 2 * ProGuard -- shrinking, optimization, obfuscation, and preverification 3 * of Java bytecode. 4 * 5 * Copyright (c) 2002-2014 Eric Lafortune (eric@graphics.cornell.edu) 6 * 7 * This program is free software; you can redistribute it and/or modify it 8 * under the terms of the GNU General Public License as published by the Free 9 * Software Foundation; either version 2 of the License, or (at your option) 10 * any later version. 11 * 12 * This program is distributed in the hope that it will be useful, but WITHOUT 13 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 14 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 15 * more details. 16 * 17 * You should have received a copy of the GNU General Public License along 18 * with this program; if not, write to the Free Software Foundation, Inc., 19 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 20 */ 21 package proguard.evaluation.value; 22 23 /** 24 * This class represents a partially evaluated double value. 25 * 26 * @author Eric Lafortune 27 */ 28 public class UnknownDoubleValue extends DoubleValue 29 { 30 // Basic unary methods. 31 negate()32 public DoubleValue negate() 33 { 34 return this; 35 } 36 convertToInteger()37 public IntegerValue convertToInteger() 38 { 39 return ValueFactory.INTEGER_VALUE; 40 } 41 convertToLong()42 public LongValue convertToLong() 43 { 44 return ValueFactory.LONG_VALUE; 45 } 46 convertToFloat()47 public FloatValue convertToFloat() 48 { 49 return ValueFactory.FLOAT_VALUE; 50 } 51 52 53 // Basic binary methods. 54 generalize(DoubleValue other)55 public DoubleValue generalize(DoubleValue other) 56 { 57 return this; 58 } 59 add(DoubleValue other)60 public DoubleValue add(DoubleValue other) 61 { 62 return this; 63 } 64 subtract(DoubleValue other)65 public DoubleValue subtract(DoubleValue other) 66 { 67 return this; 68 } 69 subtractFrom(DoubleValue other)70 public DoubleValue subtractFrom(DoubleValue other) 71 { 72 return this; 73 } 74 multiply(DoubleValue other)75 public DoubleValue multiply(DoubleValue other) 76 { 77 return this; 78 } 79 divide(DoubleValue other)80 public DoubleValue divide(DoubleValue other) 81 { 82 return this; 83 } 84 divideOf(DoubleValue other)85 public DoubleValue divideOf(DoubleValue other) 86 { 87 return this; 88 } 89 remainder(DoubleValue other)90 public DoubleValue remainder(DoubleValue other) 91 { 92 return this; 93 } 94 remainderOf(DoubleValue other)95 public DoubleValue remainderOf(DoubleValue other) 96 { 97 return this; 98 } 99 compare(DoubleValue other)100 public IntegerValue compare(DoubleValue other) 101 { 102 return ValueFactory.INTEGER_VALUE; 103 } 104 105 106 // Implementations for Object. 107 equals(Object object)108 public boolean equals(Object object) 109 { 110 return object != null && 111 this.getClass() == object.getClass(); 112 } 113 114 hashCode()115 public int hashCode() 116 { 117 return this.getClass().hashCode(); 118 } 119 120 toString()121 public String toString() 122 { 123 return "d"; 124 } 125 }