| /* |
| * 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.constant; |
| |
| import proguard.classfile.*; |
| import proguard.classfile.constant.visitor.ConstantVisitor; |
| |
| /** |
| * This Constant represents a method handle constant in the constant pool. |
| * |
| * @author Eric Lafortune |
| */ |
| public class MethodHandleConstant extends Constant |
| { |
| public int u1referenceKind; |
| public int u2referenceIndex; |
| |
| |
| /** |
| * An extra field pointing to the java.lang.invoke.MethodHandle Clazz object. |
| * This field is typically filled out by the <code>{@link |
| * proguard.classfile.util.ClassReferenceInitializer |
| * ClassReferenceInitializer}</code>.. |
| */ |
| public Clazz javaLangInvokeMethodHandleClass; |
| |
| |
| /** |
| * Creates an uninitialized MethodHandleConstant. |
| */ |
| public MethodHandleConstant() |
| { |
| } |
| |
| |
| /** |
| * Creates a new MethodHandleConstant with the given type and method ref |
| * index. |
| * @param u1referenceKind the reference kind. |
| * @param u2referenceIndex the index of the field ref constant, interface |
| * method ref constant, or method ref constant in |
| * the constant pool. |
| */ |
| public MethodHandleConstant(int u1referenceKind, int u2referenceIndex) |
| { |
| this.u1referenceKind = u1referenceKind; |
| this.u2referenceIndex = u2referenceIndex; |
| } |
| |
| |
| /** |
| * Returns the kind of reference to which this constant is pointing. |
| * @return One of |
| * {@link ClassConstants#REF_getField }, |
| * {@link ClassConstants#REF_getStatic }, |
| * {@link ClassConstants#REF_putField }, |
| * {@link ClassConstants#REF_putStatic }, |
| * {@link ClassConstants#REF_invokeVirtual }, |
| * {@link ClassConstants#REF_invokeStatic }, |
| * {@link ClassConstants#REF_invokeSpecial }, |
| * {@link ClassConstants#REF_newInvokeSpecial}, or |
| * {@link ClassConstants#REF_invokeInterface }. |
| */ |
| public int getReferenceKind() |
| { |
| return u1referenceKind; |
| } |
| |
| /** |
| * Returns the field ref, interface method ref, or method ref index. |
| */ |
| public int getReferenceIndex() |
| { |
| return u2referenceIndex; |
| } |
| |
| |
| /** |
| * Returns the method/field name. |
| */ |
| public String getName(Clazz clazz) |
| { |
| return clazz.getRefName(u2referenceIndex); |
| } |
| |
| /** |
| * Returns the type. |
| */ |
| public String getType(Clazz clazz) |
| { |
| return clazz.getRefType(u2referenceIndex); |
| } |
| |
| |
| // Implementations for Constant. |
| |
| public int getTag() |
| { |
| return ClassConstants.CONSTANT_MethodHandle; |
| } |
| |
| public void accept(Clazz clazz, ConstantVisitor constantVisitor) |
| { |
| constantVisitor.visitMethodHandleConstant(clazz, this); |
| } |
| } |