1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/src/share/classes/com/sun/tools/classfile/LineNumberTable_attribute.java Tue Jun 03 13:26:47 2008 -0700 1.3 @@ -0,0 +1,78 @@ 1.4 +/* 1.5 + * Copyright 2007 Sun Microsystems, Inc. All Rights Reserved. 1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 1.7 + * 1.8 + * This code is free software; you can redistribute it and/or modify it 1.9 + * under the terms of the GNU General Public License version 2 only, as 1.10 + * published by the Free Software Foundation. Sun designates this 1.11 + * particular file as subject to the "Classpath" exception as provided 1.12 + * by Sun in the LICENSE file that accompanied this code. 1.13 + * 1.14 + * This code is distributed in the hope that it will be useful, but WITHOUT 1.15 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 1.16 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 1.17 + * version 2 for more details (a copy is included in the LICENSE file that 1.18 + * accompanied this code). 1.19 + * 1.20 + * You should have received a copy of the GNU General Public License version 1.21 + * 2 along with this work; if not, write to the Free Software Foundation, 1.22 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 1.23 + * 1.24 + * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, 1.25 + * CA 95054 USA or visit www.sun.com if you need additional information or 1.26 + * have any questions. 1.27 + */ 1.28 + 1.29 +package com.sun.tools.classfile; 1.30 + 1.31 +import java.io.IOException; 1.32 + 1.33 +/** 1.34 + * See JVMS3, section 4.8.12. 1.35 + * 1.36 + * <p><b>This is NOT part of any API supported by Sun Microsystems. If 1.37 + * you write code that depends on this, you do so at your own risk. 1.38 + * This code and its internal interfaces are subject to change or 1.39 + * deletion without notice.</b> 1.40 + */ 1.41 +public class LineNumberTable_attribute extends Attribute { 1.42 + LineNumberTable_attribute(ClassReader cr, int name_index, int length) throws IOException { 1.43 + super(name_index, length); 1.44 + line_number_table_length = cr.readUnsignedShort(); 1.45 + line_number_table = new Entry[line_number_table_length]; 1.46 + for (int i = 0; i < line_number_table_length; i++) 1.47 + line_number_table[i] = new Entry(cr); 1.48 + } 1.49 + 1.50 + public LineNumberTable_attribute(ConstantPool constant_pool, Entry[] line_number_table) 1.51 + throws ConstantPoolException { 1.52 + this(constant_pool.getUTF8Index(Attribute.LineNumberTable), line_number_table); 1.53 + } 1.54 + 1.55 + public LineNumberTable_attribute(int name_index, Entry[] line_number_table) { 1.56 + super(name_index, line_number_table.length * Entry.length()); 1.57 + this.line_number_table_length = line_number_table.length; 1.58 + this.line_number_table = line_number_table; 1.59 + } 1.60 + 1.61 + public <R, D> R accept(Visitor<R, D> visitor, D data) { 1.62 + return visitor.visitLineNumberTable(this, data); 1.63 + } 1.64 + 1.65 + public final int line_number_table_length; 1.66 + public final Entry[] line_number_table; 1.67 + 1.68 + public static class Entry { 1.69 + Entry(ClassReader cr) throws IOException { 1.70 + start_pc = cr.readUnsignedShort(); 1.71 + line_number = cr.readUnsignedShort(); 1.72 + } 1.73 + 1.74 + public static int length() { 1.75 + return 4; 1.76 + } 1.77 + 1.78 + public final int start_pc; 1.79 + public final int line_number; 1.80 + } 1.81 +}