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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 IntegerValue represents a specific integer value.
25  *
26  * @author Eric Lafortune
27  */
28 abstract class SpecificIntegerValue extends IntegerValue
29 {
30     // Implementations of unary methods of IntegerValue.
31 
negate()32     public IntegerValue negate()
33     {
34         return new NegatedIntegerValue(this);
35     }
36 
convertToByte()37     public IntegerValue convertToByte()
38     {
39         return new ConvertedByteValue(this);
40     }
41 
convertToCharacter()42     public IntegerValue convertToCharacter()
43     {
44         return new ConvertedCharacterValue(this);
45     }
46 
convertToShort()47     public IntegerValue convertToShort()
48     {
49         return new ConvertedShortValue(this);
50     }
51 
convertToLong()52     public LongValue convertToLong()
53     {
54         return new ConvertedLongValue(this);
55     }
56 
convertToFloat()57     public FloatValue convertToFloat()
58     {
59         return new ConvertedFloatValue(this);
60     }
61 
convertToDouble()62     public DoubleValue convertToDouble()
63     {
64         return new ConvertedDoubleValue(this);
65     }
66 
67 
68     // Implementations of binary methods of IntegerValue.
69 
generalize(IntegerValue other)70     public IntegerValue generalize(IntegerValue other)
71     {
72         return other.generalize(this);
73     }
74 
add(IntegerValue other)75     public IntegerValue add(IntegerValue other)
76     {
77         return other.add(this);
78     }
79 
subtract(IntegerValue other)80     public IntegerValue subtract(IntegerValue other)
81     {
82         return other.subtractFrom(this);
83     }
84 
subtractFrom(IntegerValue other)85     public IntegerValue subtractFrom(IntegerValue other)
86     {
87         return other.subtract(this);
88     }
89 
multiply(IntegerValue other)90     public IntegerValue multiply(IntegerValue other)
91     {
92         return other.multiply(this);
93     }
94 
divide(IntegerValue other)95     public IntegerValue divide(IntegerValue other)
96     throws ArithmeticException
97     {
98         return other.divideOf(this);
99     }
100 
divideOf(IntegerValue other)101     public IntegerValue divideOf(IntegerValue other)
102     throws ArithmeticException
103     {
104         return other.divide(this);
105     }
106 
remainder(IntegerValue other)107     public IntegerValue remainder(IntegerValue other)
108     throws ArithmeticException
109     {
110         return other.remainderOf(this);
111     }
112 
remainderOf(IntegerValue other)113     public IntegerValue remainderOf(IntegerValue other)
114     throws ArithmeticException
115     {
116         return other.remainder(this);
117     }
118 
shiftLeft(IntegerValue other)119     public IntegerValue shiftLeft(IntegerValue other)
120     {
121         return other.shiftLeftOf(this);
122     }
123 
shiftLeftOf(IntegerValue other)124     public IntegerValue shiftLeftOf(IntegerValue other)
125     {
126         return other.shiftLeft(this);
127     }
128 
shiftRight(IntegerValue other)129     public IntegerValue shiftRight(IntegerValue other)
130     {
131         return other.shiftRightOf(this);
132     }
133 
shiftRightOf(IntegerValue other)134     public IntegerValue shiftRightOf(IntegerValue other)
135     {
136         return other.shiftRight(this);
137     }
138 
unsignedShiftRight(IntegerValue other)139     public IntegerValue unsignedShiftRight(IntegerValue other)
140     {
141         return other.unsignedShiftRightOf(this);
142     }
143 
unsignedShiftRightOf(IntegerValue other)144     public IntegerValue unsignedShiftRightOf(IntegerValue other)
145     {
146         return other.unsignedShiftRight(this);
147     }
148 
shiftLeftOf(LongValue other)149     public LongValue shiftLeftOf(LongValue other)
150     {
151         return other.shiftLeft(this);
152     }
153 
shiftRightOf(LongValue other)154     public LongValue shiftRightOf(LongValue other)
155     {
156         return other.shiftRight(this);
157     }
158 
unsignedShiftRightOf(LongValue other)159     public LongValue unsignedShiftRightOf(LongValue other)
160     {
161         return other.unsignedShiftRight(this);
162     }
163 
and(IntegerValue other)164     public IntegerValue and(IntegerValue other)
165     {
166         return other.and(this);
167     }
168 
or(IntegerValue other)169     public IntegerValue or(IntegerValue other)
170     {
171         return other.or(this);
172     }
173 
xor(IntegerValue other)174     public IntegerValue xor(IntegerValue other)
175     {
176         return other.xor(this);
177     }
178 
equal(IntegerValue other)179     public int equal(IntegerValue other)
180     {
181         return other.equal(this);
182     }
183 
lessThan(IntegerValue other)184     public int lessThan(IntegerValue other)
185     {
186         return other.greaterThan(this);
187     }
188 
lessThanOrEqual(IntegerValue other)189     public int lessThanOrEqual(IntegerValue other)
190     {
191         return other.greaterThanOrEqual(this);
192     }
193 
194 
195     // Implementations of binary IntegerValue methods with SpecificIntegerValue
196     // arguments.
197 
generalize(SpecificIntegerValue other)198     public IntegerValue generalize(SpecificIntegerValue other)
199     {
200         return this.equals(other) ? this : ValueFactory.INTEGER_VALUE;
201     }
202 
add(SpecificIntegerValue other)203     public IntegerValue add(SpecificIntegerValue other)
204     {
205         return new CompositeIntegerValue(this, CompositeIntegerValue.ADD, other);
206     }
207 
subtract(SpecificIntegerValue other)208     public IntegerValue subtract(SpecificIntegerValue other)
209     {
210         return this.equals(other) ?
211             ParticularValueFactory.INTEGER_VALUE_0 :
212             new CompositeIntegerValue(this, CompositeIntegerValue.SUBTRACT, other);
213     }
214 
subtractFrom(SpecificIntegerValue other)215     public IntegerValue subtractFrom(SpecificIntegerValue other)
216     {
217         return this.equals(other) ?
218             ParticularValueFactory.INTEGER_VALUE_0 :
219             new CompositeIntegerValue(other, CompositeIntegerValue.SUBTRACT, this);
220     }
221 
multiply(SpecificIntegerValue other)222     public IntegerValue multiply(SpecificIntegerValue other)
223     {
224         return new CompositeIntegerValue(this, CompositeIntegerValue.MULTIPLY, other);
225     }
226 
divide(SpecificIntegerValue other)227     public IntegerValue divide(SpecificIntegerValue other)
228     throws ArithmeticException
229     {
230         return new CompositeIntegerValue(this, CompositeIntegerValue.DIVIDE, other);
231     }
232 
divideOf(SpecificIntegerValue other)233     public IntegerValue divideOf(SpecificIntegerValue other)
234     throws ArithmeticException
235     {
236         return new CompositeIntegerValue(other, CompositeIntegerValue.DIVIDE, this);
237     }
238 
remainder(SpecificIntegerValue other)239     public IntegerValue remainder(SpecificIntegerValue other)
240     throws ArithmeticException
241     {
242         return new CompositeIntegerValue(this, CompositeIntegerValue.REMAINDER, other);
243     }
244 
remainderOf(SpecificIntegerValue other)245     public IntegerValue remainderOf(SpecificIntegerValue other)
246     throws ArithmeticException
247     {
248         return new CompositeIntegerValue(other, CompositeIntegerValue.REMAINDER, this);
249     }
250 
shiftLeft(SpecificIntegerValue other)251     public IntegerValue shiftLeft(SpecificIntegerValue other)
252     {
253         return new CompositeIntegerValue(this, CompositeIntegerValue.SHIFT_LEFT, other);
254     }
255 
shiftRight(SpecificIntegerValue other)256     public IntegerValue shiftRight(SpecificIntegerValue other)
257     {
258         return new CompositeIntegerValue(this, CompositeIntegerValue.SHIFT_RIGHT, other);
259     }
260 
unsignedShiftRight(SpecificIntegerValue other)261     public IntegerValue unsignedShiftRight(SpecificIntegerValue other)
262     {
263         return new CompositeIntegerValue(this, CompositeIntegerValue.UNSIGNED_SHIFT_RIGHT, other);
264     }
265 
shiftLeftOf(SpecificIntegerValue other)266     public IntegerValue shiftLeftOf(SpecificIntegerValue other)
267     {
268         return new CompositeIntegerValue(other, CompositeIntegerValue.SHIFT_LEFT, this);
269     }
270 
shiftRightOf(SpecificIntegerValue other)271     public IntegerValue shiftRightOf(SpecificIntegerValue other)
272     {
273         return new CompositeIntegerValue(other, CompositeIntegerValue.SHIFT_RIGHT, this);
274     }
275 
unsignedShiftRightOf(SpecificIntegerValue other)276     public IntegerValue unsignedShiftRightOf(SpecificIntegerValue other)
277     {
278         return new CompositeIntegerValue(other, CompositeIntegerValue.UNSIGNED_SHIFT_RIGHT, this);
279     }
280 
shiftLeftOf(SpecificLongValue other)281     public LongValue shiftLeftOf(SpecificLongValue other)
282     {
283         return new CompositeLongValue(other, CompositeLongValue.SHIFT_LEFT, this);
284     }
285 
shiftRightOf(SpecificLongValue other)286     public LongValue shiftRightOf(SpecificLongValue other)
287     {
288         return new CompositeLongValue(other, CompositeLongValue.SHIFT_RIGHT, this);
289     }
290 
unsignedShiftRightOf(SpecificLongValue other)291     public LongValue unsignedShiftRightOf(SpecificLongValue other)
292     {
293         return new CompositeLongValue(other, CompositeLongValue.UNSIGNED_SHIFT_RIGHT, this);
294     }
295 
and(SpecificIntegerValue other)296     public IntegerValue and(SpecificIntegerValue other)
297     {
298         return this.equals(other) ?
299             this :
300             new CompositeIntegerValue(other, CompositeIntegerValue.AND, this);
301     }
302 
or(SpecificIntegerValue other)303     public IntegerValue or(SpecificIntegerValue other)
304     {
305         return this.equals(other) ?
306             this :
307             new CompositeIntegerValue(other, CompositeIntegerValue.OR, this);
308     }
309 
xor(SpecificIntegerValue other)310     public IntegerValue xor(SpecificIntegerValue other)
311     {
312         return this.equals(other) ?
313             ParticularValueFactory.INTEGER_VALUE_0 :
314             new CompositeIntegerValue(other, CompositeIntegerValue.XOR, this);
315     }
316 
equal(SpecificIntegerValue other)317     public int equal(SpecificIntegerValue other)
318     {
319         return this.equals(other) ? ALWAYS : MAYBE;
320     }
321 
lessThan(SpecificIntegerValue other)322     public int lessThan(SpecificIntegerValue other)
323     {
324         return this.equals(other) ? NEVER : MAYBE;
325     }
326 
lessThanOrEqual(SpecificIntegerValue other)327     public int lessThanOrEqual(SpecificIntegerValue other)
328     {
329         return this.equals(other) ? ALWAYS : MAYBE;
330     }
331 
332 
333     // Implementations for Value.
334 
isSpecific()335     public boolean isSpecific()
336     {
337         return true;
338     }
339 
340 
341     // Implementations for Object.
342 
equals(Object object)343     public boolean equals(Object object)
344     {
345         return object != null &&
346                this.getClass() == object.getClass();
347     }
348 
349 
hashCode()350     public int hashCode()
351     {
352         return this.getClass().hashCode();
353     }
354 }
355