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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.classfile.attribute;
import proguard.classfile.*;
import proguard.classfile.visitor.ClassVisitor;
/**
* Representation of an Local Variable table entry.
*
* @author Eric Lafortune
*/
public class LocalVariableInfo implements VisitorAccepter, Comparable
{
public int u2startPC;
public int u2length;
public int u2nameIndex;
public int u2descriptorIndex;
public int u2index;
/**
* An extra field pointing to the referenced Clazz object.
* This field is typically filled out by the <code>{@link
* proguard.classfile.util.ClassReferenceInitializer
* ClassReferenceInitializer}</code>.
*/
public Clazz referencedClass;
/**
* An extra field in which visitors can store information.
*/
public Object visitorInfo;
/**
* Creates an uninitialized LocalVariableInfo.
*/
public LocalVariableInfo()
{
}
/**
* Creates an initialized LocalVariableInfo.
*/
public LocalVariableInfo(int u2startPC,
int u2length,
int u2nameIndex,
int u2descriptorIndex,
int u2index)
{
this.u2startPC = u2startPC;
this.u2length = u2length;
this.u2nameIndex = u2nameIndex;
this.u2descriptorIndex = u2descriptorIndex;
this.u2index = u2index;
}
/**
* Lets the referenced class accept the given visitor.
*/
public void referencedClassAccept(ClassVisitor classVisitor)
{
if (referencedClass != null)
{
referencedClass.accept(classVisitor);
}
}
// Implementations for VisitorAccepter.
public Object getVisitorInfo()
{
return visitorInfo;
}
public void setVisitorInfo(Object visitorInfo)
{
this.visitorInfo = visitorInfo;
}
// Implementations for Comparable.
public int compareTo(Object object)
{
LocalVariableInfo other = (LocalVariableInfo)object;
return
this.u2startPC < other.u2startPC ? -1 : this.u2startPC > other.u2startPC ? 1 :
this.u2index < other.u2index ? -1 : this.u2index > other.u2index ? 1 :
this.u2length < other.u2length ? -1 : this.u2length > other.u2length ? 1 :
this.u2descriptorIndex < other.u2descriptorIndex ? -1 : this.u2descriptorIndex > other.u2descriptorIndex ? 1 :
this.u2nameIndex < other.u2nameIndex ? -1 : this.u2nameIndex > other.u2nameIndex ? 1 :
0;
}
}
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