1/* 2 * Copyright (c) 2007, 2008, 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 26package com.sun.tools.classfile; 27 28import java.io.IOException; 29 30/** 31 * <p><b>This is NOT part of any supported API. 32 * If you write code that depends on this, you do so at your own risk. 33 * This code and its internal interfaces are subject to change or 34 * deletion without notice.</b> 35 */ 36public class CharacterRangeTable_attribute extends Attribute { 37 public static final int CRT_STATEMENT = 0x0001; 38 public static final int CRT_BLOCK = 0x0002; 39 public static final int CRT_ASSIGNMENT = 0x0004; 40 public static final int CRT_FLOW_CONTROLLER = 0x0008; 41 public static final int CRT_FLOW_TARGET = 0x0010; 42 public static final int CRT_INVOKE = 0x0020; 43 public static final int CRT_CREATE = 0x0040; 44 public static final int CRT_BRANCH_TRUE = 0x0080; 45 public static final int CRT_BRANCH_FALSE = 0x0100; 46 47 CharacterRangeTable_attribute(ClassReader cr, int name_index, int length) throws IOException { 48 super(name_index, length); 49 int character_range_table_length = cr.readUnsignedShort(); 50 character_range_table = new Entry[character_range_table_length]; 51 for (int i = 0; i < character_range_table_length; i++) 52 character_range_table[i] = new Entry(cr); 53 } 54 55 public CharacterRangeTable_attribute(ConstantPool constant_pool, Entry[] character_range_table) 56 throws ConstantPoolException { 57 this(constant_pool.getUTF8Index(Attribute.CharacterRangeTable), character_range_table); 58 } 59 60 public CharacterRangeTable_attribute(int name_index, Entry[] character_range_table) { 61 super(name_index, 2 + character_range_table.length * Entry.length()); 62 this.character_range_table = character_range_table; 63 } 64 65 public <R, D> R accept(Visitor<R, D> visitor, D data) { 66 return visitor.visitCharacterRangeTable(this, data); 67 } 68 69 public final Entry[] character_range_table; 70 71 public static class Entry { 72 Entry(ClassReader cr) throws IOException { 73 start_pc = cr.readUnsignedShort(); 74 end_pc = cr.readUnsignedShort(); 75 character_range_start = cr.readInt(); 76 character_range_end = cr.readInt(); 77 flags = cr.readUnsignedShort(); 78 } 79 80 public static int length() { 81 return 14; 82 } 83 84 public final int start_pc; 85 public final int end_pc; 86 public final int character_range_start; 87 public final int character_range_end; 88 public final int flags; 89 } 90} 91