1f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project/* Copyright (C) 2003 Vladimir Roubtsov. All rights reserved. 2f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project * 3f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project * This program and the accompanying materials are made available under 4f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project * the terms of the Common Public License v1.0 which accompanies this distribution, 5f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project * and is available at http://www.eclipse.org/legal/cpl-v10.html 6f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project * 7f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project * $Id: LineNumber_info.java,v 1.1.1.1 2004/05/09 16:57:48 vlad_r Exp $ 8f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project */ 9f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Projectpackage com.vladium.jcd.cls.attribute; 10f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project 11f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Projectimport java.io.IOException; 12f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project 13f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Projectimport com.vladium.jcd.compiler.IClassFormatOutput; 14f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Projectimport com.vladium.jcd.lib.UDataInputStream; 15f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Projectimport com.vladium.jcd.lib.UDataOutputStream; 16f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project 17f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project// ---------------------------------------------------------------------------- 18f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project/** 19f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project * This class represents a line_number_table entry contained by 20f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project * {@link LineNumberTableAttribute_info} attribute. Each entry contains the 21f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project * following items: 22f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project * <PRE> 23f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project * start_pc 24f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project * </PRE> 25f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project * The value of the start_pc item must indicate the index into the code array 26f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project * at which the code for a new line in the original source file begins. The 27f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project * value of start_pc must be less than the value of the code_length item of 28f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project * the {@link CodeAttribute_info} attribute of which this LineNumberTable 29f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project * is an attribute.<P> 30f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project * <PRE> 31f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project * line_number 32f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project * </PRE> 33f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project * The value of the line_number item must give the corresponding line number 34f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project * in the original source file. 35f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project * 36f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project * @author Vlad Roubtsov, (C) 2003 37f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project */ 38f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Projectpublic 39f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Projectfinal class LineNumber_info implements Cloneable, IClassFormatOutput 40f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project{ 41f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project // public: ................................................................ 42f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project 43f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project public int m_start_pc, m_line_number; 44f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project 45f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project 46f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project public LineNumber_info (final int start_pc, final int line_number) 47f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project { 48f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project m_start_pc = start_pc; 49f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project m_line_number = line_number; 50f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project } 51f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project 52f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project public String toString () 53f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project { 54f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project return "line_number_info: [start_pc = " + m_start_pc + ", line_number = " + m_line_number + "]"; 55f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project } 56f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project 57f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project // Cloneable: 58f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project 59f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project /** 60f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project * Performs a deep copy. 61f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project */ 62f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project public Object clone () 63f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project { 64f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project try 65f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project { 66f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project return super.clone (); 67f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project } 68f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project catch (CloneNotSupportedException e) 69f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project { 70f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project throw new InternalError (e.toString ()); 71f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project } 72f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project } 73f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project 74f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project // IClassFormatOutput: 75f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project 76f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project public void writeInClassFormat (final UDataOutputStream out) throws IOException 77f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project { 78f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project out.writeU2 (m_start_pc); 79f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project out.writeU2 (m_line_number); 80f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project } 81f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project 82f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project // protected: ............................................................. 83f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project 84f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project // package: ............................................................... 85f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project 86f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project 87f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project LineNumber_info (final UDataInputStream bytes) throws IOException 88f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project { 89f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project m_start_pc = bytes.readU2 (); 90f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project m_line_number = bytes.readU2 (); 91f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project } 92f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project 93f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project // private: ............................................................... 94f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project 95f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project} // end of class 96f6fe897e173f4e4bda72a7dddb091b667066764aThe Android Open Source Project// ----------------------------------------------------------------------------