1 /* 2 * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package com.sun.tools.classfile; 27 28 import com.sun.tools.classfile.ConstantPool.CONSTANT_Class_info; 29 30 import java.io.IOException; 31 32 /** 33 * <p><b>This is NOT part of any supported API. 34 * If you write code that depends on this, you do so at your own risk. 35 * This code and its internal interfaces are subject to change or 36 * deletion without notice.</b> 37 */ 38 public class NestHost_attribute extends Attribute { 39 NestHost_attribute(ClassReader cr, int name_index, int length) throws IOException { 40 super(name_index, length); 41 top_index = cr.readUnsignedShort(); 42 } 43 44 public NestHost_attribute(ConstantPool constant_pool, int signature_index) 45 throws ConstantPoolException { 46 this(constant_pool.getUTF8Index(Attribute.Signature), signature_index); 47 } 48 49 public NestHost_attribute(int name_index, int top_index) { 50 super(name_index, 2); 51 this.top_index = top_index; 52 } 53 54 public CONSTANT_Class_info getNestTop(ConstantPool constant_pool) throws ConstantPoolException { 55 return constant_pool.getClassInfo(top_index); 56 } 57 58 public <R, D> R accept(Visitor<R, D> visitor, D data) { 59 return visitor.visitNestHost(this, data); 60 } 61 62 public final int top_index; 63 }