1/*
2 * ProGuard -- shrinking, optimization, obfuscation, and preverification
3 *             of Java bytecode.
4 *
5 * Copyright (c) 2002-2013 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 */
21package proguard.evaluation.value;
22
23/**
24 * This class represents a partially evaluated long value.
25 *
26 * @author Eric Lafortune
27 */
28public class UnknownLongValue extends LongValue
29{
30    // Basic unary methods.
31
32    public LongValue negate()
33    {
34        return this;
35    }
36
37    public IntegerValue convertToInteger()
38    {
39        return ValueFactory.INTEGER_VALUE;
40    }
41
42    public FloatValue convertToFloat()
43    {
44        return ValueFactory.FLOAT_VALUE;
45    }
46
47    public DoubleValue convertToDouble()
48    {
49        return ValueFactory.DOUBLE_VALUE;
50    }
51
52
53    // Basic binary methods.
54
55    public LongValue generalize(LongValue other)
56    {
57        return this;
58    }
59
60    public LongValue add(LongValue other)
61    {
62        return this;
63    }
64
65    public LongValue subtract(LongValue other)
66    {
67        return this;
68    }
69
70    public LongValue subtractFrom(LongValue other)
71    {
72        return this;
73    }
74
75    public LongValue multiply(LongValue other)
76    throws ArithmeticException
77    {
78        return this;
79    }
80
81    public LongValue divide(LongValue other)
82    throws ArithmeticException
83    {
84        return this;
85    }
86
87    public LongValue divideOf(LongValue other)
88    throws ArithmeticException
89    {
90        return this;
91    }
92
93    public LongValue remainder(LongValue other)
94    throws ArithmeticException
95    {
96        return this;
97    }
98
99    public LongValue remainderOf(LongValue other)
100    throws ArithmeticException
101    {
102        return this;
103    }
104
105    public LongValue shiftLeft(IntegerValue other)
106    {
107        return this;
108    }
109
110    public LongValue shiftRight(IntegerValue other)
111    {
112        return this;
113    }
114
115    public LongValue unsignedShiftRight(IntegerValue other)
116    {
117        return this;
118    }
119
120    public LongValue and(LongValue other)
121    {
122        return this;
123    }
124
125    public LongValue or(LongValue other)
126    {
127        return this;
128    }
129
130    public LongValue xor(LongValue other)
131    {
132        return this;
133    }
134
135    public IntegerValue compare(LongValue other)
136    {
137        return ValueFactory.INTEGER_VALUE;
138    }
139
140
141    // Implementations for Object.
142
143    public boolean equals(Object object)
144    {
145        return object != null &&
146               this.getClass() == object.getClass();
147    }
148
149
150    public int hashCode()
151    {
152        return this.getClass().hashCode();
153    }
154
155
156    public String toString()
157    {
158        return "l";
159    }
160}