1 /* 2 * Copyright (c) 2012, 2013, 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 java.io.IOException; 29 30 /** 31 * See JVMS, section 4.8.13. 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 MethodParameters_attribute extends Attribute { 39 40 public final int method_parameter_table_length; 41 public final Entry[] method_parameter_table; 42 43 MethodParameters_attribute(ClassReader cr, 44 int name_index, 45 int length) 46 throws IOException { 47 super(name_index, length); 48 49 method_parameter_table_length = cr.readUnsignedByte(); 50 method_parameter_table = new Entry[method_parameter_table_length]; 51 for (int i = 0; i < method_parameter_table_length; i++) 52 method_parameter_table[i] = new Entry(cr); 53 } 54 55 public MethodParameters_attribute(ConstantPool constant_pool, 56 Entry[] method_parameter_table) 57 throws ConstantPoolException { 58 this(constant_pool.getUTF8Index(Attribute.MethodParameters), 59 method_parameter_table); 60 } 61 62 public MethodParameters_attribute(int name_index, 63 Entry[] method_parameter_table) { 64 super(name_index, 1 + method_parameter_table.length * Entry.length()); 65 this.method_parameter_table_length = method_parameter_table.length; 66 this.method_parameter_table = method_parameter_table; 67 } 68 69 public <R, D> R accept(Visitor<R, D> visitor, D data) { 70 return visitor.visitMethodParameters(this, data); 71 } 72 73 public static class Entry { 74 Entry(ClassReader cr) throws IOException { 75 name_index = cr.readUnsignedShort(); 76 flags = cr.readUnsignedShort(); 77 } 78 79 public static int length() { 80 return 6; 81 } 82 83 public final int name_index; 84 public final int flags; 85 } 86 87 }