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Diffstat (limited to 'src/proguard/evaluation/value/CompositeIntegerValue.java')
| -rw-r--r-- | src/proguard/evaluation/value/CompositeIntegerValue.java | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/src/proguard/evaluation/value/CompositeIntegerValue.java b/src/proguard/evaluation/value/CompositeIntegerValue.java new file mode 100644 index 0000000..6d4f59c --- /dev/null +++ b/src/proguard/evaluation/value/CompositeIntegerValue.java @@ -0,0 +1,87 @@ +/* + * 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 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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