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/*
* ProGuard -- shrinking, optimization, obfuscation, and preverification
* of Java bytecode.
*
* Copyright (c) 2002-2013 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 IntegerValue represents the result of a binary operation on two integer
* values.
*
* @author Eric Lafortune
*/
final class CompositeIntegerValue extends SpecificIntegerValue
{
public static final byte ADD = '+';
public static final byte SUBTRACT = '-';
public static final byte MULTIPLY = '*';
public static final byte DIVIDE = '/';
public static final byte REMAINDER = '%';
public static final byte SHIFT_LEFT = '<';
public static final byte SHIFT_RIGHT = '>';
public static final byte UNSIGNED_SHIFT_RIGHT = '}';
public static final byte AND = '&';
public static final byte OR = '|';
public static final byte XOR = '^';
private final IntegerValue integerValue1;
private final byte operation;
private final IntegerValue integerValue2;
/**
* Creates a new composite integer value of the two given integer values
* and the given operation.
*/
public CompositeIntegerValue(IntegerValue integerValue1,
byte operation,
IntegerValue integerValue2)
{
this.integerValue1 = integerValue1;
this.operation = operation;
this.integerValue2 = integerValue2;
}
// Implementations for Object.
public boolean equals(Object object)
{
return this == object ||
super.equals(object) &&
this.integerValue1.equals(((CompositeIntegerValue)object).integerValue1) &&
this.operation == ((CompositeIntegerValue)object).operation &&
this.integerValue2.equals(((CompositeIntegerValue)object).integerValue2);
}
public int hashCode()
{
return super.hashCode() ^
integerValue1.hashCode() ^
integerValue2.hashCode();
}
public String toString()
{
return "("+integerValue1+((char)operation)+integerValue2+")";
}
}
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