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/*
* 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.classfile.constant;
import proguard.classfile.*;
import proguard.classfile.visitor.*;
/**
* This Constant represents a ref constant in the constant pool.
*
* @author Eric Lafortune
*/
public abstract class RefConstant extends Constant
{
public int u2classIndex;
public int u2nameAndTypeIndex;
/**
* 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 optionally pointing to the referenced Member object.
* This field is typically filled out by the <code>{@link
* proguard.classfile.util.ClassReferenceInitializer
* ClassReferenceInitializer}</code>.
*/
public Member referencedMember;
protected RefConstant()
{
}
/**
* Returns the class index.
*/
public int getClassIndex()
{
return u2classIndex;
}
/**
* Returns the name-and-type index.
*/
public int getNameAndTypeIndex()
{
return u2nameAndTypeIndex;
}
/**
* Sets the name-and-type index.
*/
public void setNameAndTypeIndex(int index)
{
u2nameAndTypeIndex = index;
}
/**
* Returns the class name.
*/
public String getClassName(Clazz clazz)
{
return clazz.getClassName(u2classIndex);
}
/**
* Returns the method/field name.
*/
public String getName(Clazz clazz)
{
return clazz.getName(u2nameAndTypeIndex);
}
/**
* Returns the type.
*/
public String getType(Clazz clazz)
{
return clazz.getType(u2nameAndTypeIndex);
}
/**
* Lets the referenced class accept the given visitor.
*/
public void referencedClassAccept(ClassVisitor classVisitor)
{
if (referencedClass != null)
{
referencedClass.accept(classVisitor);
}
}
/**
* Lets the referenced class member accept the given visitor.
*/
public void referencedMemberAccept(MemberVisitor memberVisitor)
{
if (referencedMember != null)
{
referencedMember.accept(referencedClass,
memberVisitor);
}
}
}
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