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/*
* ProGuard -- shrinking, optimization, obfuscation, and preverification
* of Java bytecode.
*
* Copyright (c) 2002-2014 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;
import proguard.classfile.Clazz;
/**
* This ReferenceValue represents a partially evaluated array. It has an array
* length and possibly array values (up to a fixed maximum number). It is not
* immutable.
*
* @author Eric Lafortune
*/
class ArrayReferenceValue extends TypedReferenceValue
{
protected final IntegerValue arrayLength;
/**
* Creates a new ArrayReferenceValue.
*/
public ArrayReferenceValue(String type,
Clazz referencedClass,
IntegerValue arrayLength)
{
super(type, referencedClass, false);
this.arrayLength = arrayLength;
}
// Implementations for ReferenceValue.
public IntegerValue arrayLength(ValueFactory valueFactory)
{
return arrayLength;
}
// Implementations of binary methods of ReferenceValue.
public ReferenceValue generalize(ReferenceValue other)
{
return other.generalize(this);
}
public int equal(ReferenceValue other)
{
return other.equal(this);
}
// // Implementations of binary ReferenceValue methods with
// // IdentifiedReferenceValue arguments.
//
// public ReferenceValue generalize(IdentifiedReferenceValue other)
// {
// return generalize((TypedReferenceValue)other);
// }
//
//
// public int equal(IdentifiedReferenceValue other)
// {
// return equal((TypedReferenceValue)other);
// }
// Implementations of binary ReferenceValue methods with
// ArrayReferenceValue arguments.
public ReferenceValue generalize(ArrayReferenceValue other)
{
return
this.equals(other) ? this :
this.type != null &&
this.type.equals(other.type) &&
this.referencedClass == other.referencedClass ? new ArrayReferenceValue(this.type,
this.referencedClass,
this.arrayLength.generalize(other.arrayLength)) :
generalize((TypedReferenceValue)other);
}
public int equal(ArrayReferenceValue other)
{
if (this.arrayLength.equal(other.arrayLength) == NEVER)
{
return NEVER;
}
return equal((TypedReferenceValue)other);
}
// // Implementations of binary ReferenceValue methods with
// // IdentifiedArrayReferenceValue arguments.
//
// public ReferenceValue generalize(IdentifiedArrayReferenceValue other)
// {
// return generalize((ArrayReferenceValue)other);
// }
//
//
// public int equal(IdentifiedArrayReferenceValue other)
// {
// return equal((ArrayReferenceValue)other);
// }
//
//
// // Implementations of binary ReferenceValue methods with
// // DetailedArrayReferenceValue arguments.
//
// public ReferenceValue generalize(DetailedArrayReferenceValue other)
// {
// return generalize((IdentifiedArrayReferenceValue)other);
// }
//
//
// public int equal(DetailedArrayReferenceValue other)
// {
// return equal((IdentifiedArrayReferenceValue)other);
// }
// Implementations for Object.
public boolean equals(Object object)
{
return this == object ||
super.equals(object) &&
this.arrayLength.equals(((ArrayReferenceValue)object).arrayLength);
}
public int hashCode()
{
return super.hashCode() ^
arrayLength.hashCode();
}
public String toString()
{
return super.toString() + '['+arrayLength+']';
}
}
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