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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.classfile.constant;
import proguard.classfile.*;
import proguard.classfile.constant.visitor.ConstantVisitor;
import proguard.classfile.visitor.ClassVisitor;
/**
* This Constant represents a method handle constant in the constant pool.
*
* @author Eric Lafortune
*/
public class MethodTypeConstant extends Constant
{
public int u2descriptorIndex;
/**
* An extra field pointing to the java.lang.invoke.MethodType Clazz object.
* This field is typically filled out by the <code>{@link
* proguard.classfile.util.ClassReferenceInitializer
* ClassReferenceInitializer}</code>..
*/
public Clazz javaLangInvokeMethodTypeClass;
/**
* An extra field pointing to the Clazz objects referenced in the
* descriptor string. This field is filled out by the <code>{@link
* proguard.classfile.util.ClassReferenceInitializer ClassReferenceInitializer}</code>.
* References to primitive types are ignored.
*/
public Clazz[] referencedClasses;
/**
* Creates an uninitialized MethodTypeConstant.
*/
public MethodTypeConstant()
{
}
/**
* Creates a new MethodTypeConstant with the given descriptor index.
* @param u2descriptorIndex the index of the descriptor in the constant
* pool.
*/
public MethodTypeConstant(int u2descriptorIndex)
{
this.u2descriptorIndex = u2descriptorIndex;
}
/**
* Returns the descriptor index.
*/
public int getDescriptorIndex()
{
return u2descriptorIndex;
}
/**
* Returns the type.
*/
public String getType(Clazz clazz)
{
return clazz.getString(u2descriptorIndex);
}
/**
* Lets the Clazz objects referenced in the descriptor string
* accept the given visitor.
*/
public void referencedClassesAccept(ClassVisitor classVisitor)
{
if (referencedClasses != null)
{
for (int index = 0; index < referencedClasses.length; index++)
{
if (referencedClasses[index] != null)
{
referencedClasses[index].accept(classVisitor);
}
}
}
}
// Implementations for Constant.
public int getTag()
{
return ClassConstants.CONSTANT_MethodType;
}
public void accept(Clazz clazz, ConstantVisitor constantVisitor)
{
constantVisitor.visitMethodTypeConstant(clazz, this);
}
}
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