/*
* 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;
import proguard.classfile.attribute.Attribute;
import proguard.classfile.attribute.visitor.AttributeVisitor;
import proguard.classfile.visitor.MemberVisitor;
/**
* Representation of a field or method from a program class.
*
* @author Eric Lafortune
*/
public abstract class ProgramMember implements Member
{
public int u2accessFlags;
public int u2nameIndex;
public int u2descriptorIndex;
public int u2attributesCount;
public Attribute[] attributes;
/**
* An extra field in which visitors can store information.
*/
public Object visitorInfo;
/**
* Creates an uninitialized ProgramMember.
*/
protected ProgramMember()
{
}
/**
* Creates an initialized ProgramMember.
*/
protected ProgramMember(int u2accessFlags,
int u2nameIndex,
int u2descriptorIndex,
int u2attributesCount,
Attribute[] attributes)
{
this.u2accessFlags = u2accessFlags;
this.u2nameIndex = u2nameIndex;
this.u2descriptorIndex = u2descriptorIndex;
this.u2attributesCount = u2attributesCount;
this.attributes = attributes;
}
/**
* Returns the (first) attribute with the given name.
*/
private Attribute getAttribute(Clazz clazz, String name)
{
for (int index = 0; index < u2attributesCount; index++)
{
Attribute attribute = attributes[index];
if (attribute.getAttributeName(clazz).equals(name))
{
return attribute;
}
}
return null;
}
/**
* Accepts the given member info visitor.
*/
public abstract void accept(ProgramClass programClass,
MemberVisitor memberVisitor);
/**
* Lets the given attribute info visitor visit all the attributes of
* this member info.
*/
public abstract void attributesAccept(ProgramClass programClass,
AttributeVisitor attributeVisitor);
// Implementations for Member.
public int getAccessFlags()
{
return u2accessFlags;
}
public String getName(Clazz clazz)
{
return clazz.getString(u2nameIndex);
}
public String getDescriptor(Clazz clazz)
{
return clazz.getString(u2descriptorIndex);
}
public void accept(Clazz clazz, MemberVisitor memberVisitor)
{
accept((ProgramClass)clazz, memberVisitor);
}
// Implementations for VisitorAccepter.
public Object getVisitorInfo()
{
return visitorInfo;
}
public void setVisitorInfo(Object visitorInfo)
{
this.visitorInfo = visitorInfo;
}
}