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1: /* LineTable.java -- A class representing a Line Table for a method 2: Copyright (C) 2005 Free Software Foundation 3: 4: This file is part of GNU Classpath. 5: 6: GNU Classpath is free software; you can redistribute it and/or modify 7: it under the terms of the GNU General Public License as published by 8: the Free Software Foundation; either version 2, or (at your option) 9: any later version. 10: 11: GNU Classpath is distributed in the hope that it will be useful, but 12: WITHOUT ANY WARRANTY; without even the implied warranty of 13: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14: General Public License for more details. 15: 16: You should have received a copy of the GNU General Public License 17: along with GNU Classpath; see the file COPYING. If not, write to the 18: Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 19: 02110-1301 USA. 20: 21: Linking this library statically or dynamically with other modules is 22: making a combined work based on this library. Thus, the terms and 23: conditions of the GNU General Public License cover the whole 24: combination. 25: 26: As a special exception, the copyright holders of this library give you 27: permission to link this library with independent modules to produce an 28: executable, regardless of the license terms of these independent 29: modules, and to copy and distribute the resulting executable under 30: terms of your choice, provided that you also meet, for each linked 31: terms of your choice, provided that you also meet, for each linked 32: independent module, the terms and conditions of the license of that 33: module. An independent module is a module which is not derived from 34: or based on this library. If you modify this library, you may extend 35: this exception to your version of the library, but you are not 36: obligated to do so. If you do not wish to do so, delete this 37: exception statement from your version. */ 38: 39: 40: package gnu.classpath.jdwp.util; 41: 42: import java.io.DataOutputStream; 43: import java.io.IOException; 44: 45: /** 46: * A class representing a Line Table for a method. 47: * 48: * @author Aaron Luchko <aluchko@redhat.com> 49: */ 50: public class LineTable 51: { 52: 53: private final long start; 54: private final long end; 55: private final int[] lineNum; 56: private final long[] lineCI; 57: private final int lines; 58: 59: /** 60: * Construct a line table with the given parameters. 61: * 62: * @param start lowest code index for method, -1 if native 63: * @param end highest code index for method, -1 if native 64: * @param lines number of entries in line table 65: * @param lineCI code indexes for entries in line tables (of length lines) 66: * @param lineNum line numbers for in line tables (of length lines) 67: */ 68: public LineTable(long start, long end, int lines, long lineCI[], 69: int lineNum[]) 70: { 71: this.start = start; 72: this.end = end; 73: this.lines = lines; 74: this.lineCI = lineCI; 75: this.lineNum = lineNum; 76: } 77: 78: /** 79: * Writes this line table to the given DataOutputStream. 80: * 81: * @param os the stream to write it to 82: * @throws IOException 83: */ 84: public void write(DataOutputStream os) 85: throws IOException 86: { 87: os.writeLong(start); 88: os.writeLong(end); 89: os.writeInt(lines); 90: for (int i = 0; i < lines; i++) 91: { 92: os.writeLong(lineCI[i]); 93: os.writeInt(lineNum[i]); 94: } 95: } 96: }