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Diffstat (limited to 'src/proguard/evaluation/value/UnknownIntegerValue.java')
| -rw-r--r-- | src/proguard/evaluation/value/UnknownIntegerValue.java | 216 |
1 files changed, 216 insertions, 0 deletions
diff --git a/src/proguard/evaluation/value/UnknownIntegerValue.java b/src/proguard/evaluation/value/UnknownIntegerValue.java new file mode 100644 index 0000000..be5e79d --- /dev/null +++ b/src/proguard/evaluation/value/UnknownIntegerValue.java @@ -0,0 +1,216 @@ +/* + * ProGuard -- shrinking, optimization, obfuscation, and preverification + * of Java bytecode. + * + * Copyright (c) 2002-2009 Eric Lafortune (eric@graphics.cornell.edu) + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ +package proguard.evaluation.value; + +/** + * This class represents a partially evaluated integer value. + * + * @author Eric Lafortune + */ +public class UnknownIntegerValue extends IntegerValue +{ + // Basic unary methods. + + public IntegerValue negate() + { + return this; + } + + public IntegerValue convertToByte() + { + return this; + } + + public IntegerValue convertToCharacter() + { + return this; + } + + public IntegerValue convertToShort() + { + return this; + } + + public LongValue convertToLong() + { + return ValueFactory.LONG_VALUE; + } + + public FloatValue convertToFloat() + { + return ValueFactory.FLOAT_VALUE; + } + + public DoubleValue convertToDouble() + { + return ValueFactory.DOUBLE_VALUE; + } + + + // Basic binary methods. + + public IntegerValue generalize(IntegerValue other) + { + return this; + } + + + public IntegerValue add(IntegerValue other) + { + return this; + } + + public IntegerValue subtract(IntegerValue other) + { + return this; + } + + public IntegerValue subtractFrom(IntegerValue other) + { + return this; + } + + public IntegerValue multiply(IntegerValue other) + throws ArithmeticException + { + return this; + } + + public IntegerValue divide(IntegerValue other) + throws ArithmeticException + { + return this; + } + + public IntegerValue divideOf(IntegerValue other) + throws ArithmeticException + { + return this; + } + + public IntegerValue remainder(IntegerValue other) + throws ArithmeticException + { + return this; + } + + public IntegerValue remainderOf(IntegerValue other) + throws ArithmeticException + { + return this; + } + + public IntegerValue shiftLeft(IntegerValue other) + { + return this; + } + + public IntegerValue shiftLeftOf(IntegerValue other) + { + return this; + } + + public IntegerValue shiftRight(IntegerValue other) + { + return this; + } + + public IntegerValue shiftRightOf(IntegerValue other) + { + return this; + } + + public IntegerValue unsignedShiftRight(IntegerValue other) + { + return this; + } + + public IntegerValue unsignedShiftRightOf(IntegerValue other) + { + return this; + } + + public LongValue shiftLeftOf(LongValue other) + { + return ValueFactory.LONG_VALUE; + } + + public LongValue shiftRightOf(LongValue other) + { + return ValueFactory.LONG_VALUE; + } + + public LongValue unsignedShiftRightOf(LongValue other) + { + return ValueFactory.LONG_VALUE; + } + + public IntegerValue and(IntegerValue other) + { + return this; + } + + public IntegerValue or(IntegerValue other) + { + return this; + } + + public IntegerValue xor(IntegerValue other) + { + return this; + } + + public int equal(IntegerValue other) + { + return MAYBE; + } + + public int lessThan(IntegerValue other) + { + return MAYBE; + } + + public int lessThanOrEqual(IntegerValue other) + { + return MAYBE; + } + + + // Implementations for Object. + + public boolean equals(Object object) + { + return object != null && + this.getClass() == object.getClass(); + } + + + public int hashCode() + { + return this.getClass().hashCode(); + } + + + public String toString() + { + return "i"; + } +}
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