| /* |
| * 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 top value. A top value is the |
| * dummy value that takes up the extra space when storing a long value or a |
| * double value. |
| * |
| * @author Eric Lafortune |
| */ |
| public class TopValue extends Category1Value |
| { |
| // Implementations for Value. |
| |
| public boolean isSpecific() |
| { |
| return true; |
| } |
| |
| public boolean isParticular() |
| { |
| return true; |
| } |
| |
| public final Value generalize(Value other) |
| { |
| return this.getClass() == other.getClass() ? this : null; |
| } |
| |
| public final int computationalType() |
| { |
| return TYPE_TOP; |
| } |
| |
| public final String internalType() |
| { |
| return null; |
| } |
| |
| |
| // 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 "T"; |
| } |
| } |