src/share/classes/com/sun/tools/classfile/CharacterRangeTable_attribute.java

Wed, 27 Apr 2016 01:34:52 +0800

author
aoqi
date
Wed, 27 Apr 2016 01:34:52 +0800
changeset 0
959103a6100f
child 2525
2eb010b6cb22
permissions
-rw-r--r--

Initial load
http://hg.openjdk.java.net/jdk8u/jdk8u/langtools/
changeset: 2573:53ca196be1ae
tag: jdk8u25-b17

aoqi@0 1 /*
aoqi@0 2 * Copyright (c) 2007, 2008, Oracle and/or its affiliates. All rights reserved.
aoqi@0 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0 4 *
aoqi@0 5 * This code is free software; you can redistribute it and/or modify it
aoqi@0 6 * under the terms of the GNU General Public License version 2 only, as
aoqi@0 7 * published by the Free Software Foundation. Oracle designates this
aoqi@0 8 * particular file as subject to the "Classpath" exception as provided
aoqi@0 9 * by Oracle in the LICENSE file that accompanied this code.
aoqi@0 10 *
aoqi@0 11 * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
aoqi@0 14 * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0 15 * accompanied this code).
aoqi@0 16 *
aoqi@0 17 * You should have received a copy of the GNU General Public License version
aoqi@0 18 * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0 20 *
aoqi@0 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0 22 * or visit www.oracle.com if you need additional information or have any
aoqi@0 23 * questions.
aoqi@0 24 */
aoqi@0 25
aoqi@0 26 package com.sun.tools.classfile;
aoqi@0 27
aoqi@0 28 import java.io.IOException;
aoqi@0 29
aoqi@0 30 /**
aoqi@0 31 * <p><b>This is NOT part of any supported API.
aoqi@0 32 * If you write code that depends on this, you do so at your own risk.
aoqi@0 33 * This code and its internal interfaces are subject to change or
aoqi@0 34 * deletion without notice.</b>
aoqi@0 35 */
aoqi@0 36 public class CharacterRangeTable_attribute extends Attribute {
aoqi@0 37 public static final int CRT_STATEMENT = 0x0001;
aoqi@0 38 public static final int CRT_BLOCK = 0x0002;
aoqi@0 39 public static final int CRT_ASSIGNMENT = 0x0004;
aoqi@0 40 public static final int CRT_FLOW_CONTROLLER = 0x0008;
aoqi@0 41 public static final int CRT_FLOW_TARGET = 0x0010;
aoqi@0 42 public static final int CRT_INVOKE = 0x0020;
aoqi@0 43 public static final int CRT_CREATE = 0x0040;
aoqi@0 44 public static final int CRT_BRANCH_TRUE = 0x0080;
aoqi@0 45 public static final int CRT_BRANCH_FALSE = 0x0100;
aoqi@0 46
aoqi@0 47 CharacterRangeTable_attribute(ClassReader cr, int name_index, int length) throws IOException {
aoqi@0 48 super(name_index, length);
aoqi@0 49 int character_range_table_length = cr.readUnsignedShort();
aoqi@0 50 character_range_table = new Entry[character_range_table_length];
aoqi@0 51 for (int i = 0; i < character_range_table_length; i++)
aoqi@0 52 character_range_table[i] = new Entry(cr);
aoqi@0 53 }
aoqi@0 54
aoqi@0 55 public CharacterRangeTable_attribute(ConstantPool constant_pool, Entry[] character_range_table)
aoqi@0 56 throws ConstantPoolException {
aoqi@0 57 this(constant_pool.getUTF8Index(Attribute.CharacterRangeTable), character_range_table);
aoqi@0 58 }
aoqi@0 59
aoqi@0 60 public CharacterRangeTable_attribute(int name_index, Entry[] character_range_table) {
aoqi@0 61 super(name_index, 2 + character_range_table.length * Entry.length());
aoqi@0 62 this.character_range_table = character_range_table;
aoqi@0 63 }
aoqi@0 64
aoqi@0 65 public <R, D> R accept(Visitor<R, D> visitor, D data) {
aoqi@0 66 return visitor.visitCharacterRangeTable(this, data);
aoqi@0 67 }
aoqi@0 68
aoqi@0 69 public final Entry[] character_range_table;
aoqi@0 70
aoqi@0 71 public static class Entry {
aoqi@0 72 Entry(ClassReader cr) throws IOException {
aoqi@0 73 start_pc = cr.readUnsignedShort();
aoqi@0 74 end_pc = cr.readUnsignedShort();
aoqi@0 75 character_range_start = cr.readInt();
aoqi@0 76 character_range_end = cr.readInt();
aoqi@0 77 flags = cr.readUnsignedShort();
aoqi@0 78 }
aoqi@0 79
aoqi@0 80 public static int length() {
aoqi@0 81 return 14;
aoqi@0 82 }
aoqi@0 83
aoqi@0 84 public final int start_pc;
aoqi@0 85 public final int end_pc;
aoqi@0 86 public final int character_range_start;
aoqi@0 87 public final int character_range_end;
aoqi@0 88 public final int flags;
aoqi@0 89 };
aoqi@0 90 }

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