| /* |
| * ProGuard -- shrinking, optimization, obfuscation, and preverification |
| * of Java bytecode. |
| * |
| * Copyright (c) 2002-2011 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.*; |
| import proguard.classfile.visitor.*; |
| |
| /** |
| * This Constant represents an invoke dynamic constant in the constant pool. |
| * |
| * @author Eric Lafortune |
| */ |
| public class InvokeDynamicConstant extends Constant |
| { |
| public int u2bootstrapMethodAttributeIndex; |
| public int u2nameAndTypeIndex; |
| |
| /** |
| * 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 InvokeDynamicConstant. |
| */ |
| public InvokeDynamicConstant() |
| { |
| } |
| |
| |
| /** |
| * Creates a new InvokeDynamicConstant with the given bootstrap method |
| * and name-and-type indices. |
| * @param u2bootstrapMethodAttributeIndex the index of the bootstrap method |
| * entry in the bootstrap methods |
| * attribute. |
| * @param u2nameAndTypeIndex the index of the name and type |
| * entry in the constant pool. |
| * @param referencedClasses the classes referenced by the |
| * type. |
| */ |
| public InvokeDynamicConstant(int u2bootstrapMethodAttributeIndex, |
| int u2nameAndTypeIndex, |
| Clazz[] referencedClasses) |
| { |
| this.u2bootstrapMethodAttributeIndex = u2bootstrapMethodAttributeIndex; |
| this.u2nameAndTypeIndex = u2nameAndTypeIndex; |
| this.referencedClasses = referencedClasses; |
| } |
| |
| |
| /** |
| * Returns the index of the bootstrap method in the bootstrap methods |
| * attribute of the class. |
| */ |
| public int getBootstrapMethodAttributeIndex() |
| { |
| return u2bootstrapMethodAttributeIndex; |
| } |
| |
| /** |
| * Returns the name-and-type index. |
| */ |
| public int getNameAndTypeIndex() |
| { |
| return u2nameAndTypeIndex; |
| } |
| |
| /** |
| * Returns the method name. |
| */ |
| public String getName(Clazz clazz) |
| { |
| return clazz.getName(u2nameAndTypeIndex); |
| } |
| |
| /** |
| * Returns the method type. |
| */ |
| public String getType(Clazz clazz) |
| { |
| return clazz.getType(u2nameAndTypeIndex); |
| } |
| |
| |
| /** |
| * 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); |
| } |
| } |
| } |
| } |
| |
| |
| /** |
| * Lets the bootstrap method handle constant accept the given visitor. |
| */ |
| public void bootstrapMethodHandleAccept(Clazz clazz, ConstantVisitor constantVisitor) |
| { |
| new BootstrapMethodHandleTraveler(constantVisitor).visitInvokeDynamicConstant(clazz, this); |
| } |
| |
| |
| // Implementations for Constant. |
| |
| public int getTag() |
| { |
| return ClassConstants.CONSTANT_InvokeDynamic; |
| } |
| |
| public void accept(Clazz clazz, ConstantVisitor constantVisitor) |
| { |
| constantVisitor.visitInvokeDynamicConstant(clazz, this); |
| } |
| } |