proguard.evaluation.value.TracingValue Maven / Gradle / Ivy
/*
* ProGuard -- shrinking, optimization, obfuscation, and preverification
* of Java bytecode.
*
* Copyright (c) 2002-2019 Guardsquare NV
*
* 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 value that has been tagged with a sticky trace
* value.
*
* @author Eric Lafortune
*/
public class TracingValue extends Value
{
private Value traceValue;
private Value value;
/**
* Creates a new TracingValue with the given trace value and value.
*/
public TracingValue(Value traceValue, Value value)
{
this.traceValue = traceValue;
this.value = value;
}
/**
* Returns the generalization of this TracingValue and the given other
* TracingValue.
*/
public final TracingValue generalize(TracingValue other)
{
return this.equals(other) ? this :
new TracingValue(this.traceValue.generalize(other.traceValue),
this.value .generalize(other.value));
}
// Implementations for Value.
public Category1Value category1Value()
{
return value.category1Value();
}
public Category2Value category2Value()
{
return value.category2Value();
}
public IntegerValue integerValue()
{
return value.integerValue();
}
public LongValue longValue()
{
return value.longValue();
}
public FloatValue floatValue()
{
return value.floatValue();
}
public DoubleValue doubleValue()
{
return value.doubleValue();
}
public ReferenceValue referenceValue()
{
return value.referenceValue();
}
public final InstructionOffsetValue instructionOffsetValue()
{
return value.instructionOffsetValue();
}
public boolean isSpecific()
{
return value.isSpecific();
}
public boolean isParticular()
{
return value.isParticular();
}
public final Value generalize(Value other)
{
return
other instanceof TracingValue ? generalize((TracingValue)other) :
value.equals(other) ? this :
new TracingValue(traceValue,
value.generalize(other));
}
public boolean isCategory2()
{
return value.isCategory2();
}
public final int computationalType()
{
return value.computationalType();
}
public final String internalType()
{
return value.internalType();
}
// Implementations for Object.
public boolean equals(Object object)
{
if (object == null ||
this.getClass() != object.getClass())
{
return false;
}
TracingValue other = (TracingValue)object;
return
this.traceValue.equals(other.traceValue) &&
this.value .equals(other.value);
}
public int hashCode()
{
return
this.getClass().hashCode() ^
traceValue.hashCode() ^
value .hashCode();
}
public String toString()
{
return 'P' + traceValue.toString() + value.toString();
}
}