00001 package ca.mcgill.sable.soot.coffi;
00002
00003 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
00004 * Jimple, a 3-address code Java(TM) bytecode representation. *
00005 * Copyright (C) 1997, 1998 Raja Vallee-Rai (kor@sable.mcgill.ca) *
00006 * All rights reserved. *
00007 * *
00008 * This work was done as a project of the Sable Research Group, *
00009 * School of Computer Science, McGill University, Canada *
00010 * (http://www.sable.mcgill.ca/). It is understood that any *
00011 * modification not identified as such is not covered by the *
00012 * preceding statement. *
00013 * *
00014 * This work is free software; you can redistribute it and/or *
00015 * modify it under the terms of the GNU Library General Public *
00016 * License as published by the Free Software Foundation; either *
00017 * version 2 of the License, or (at your option) any later version. *
00018 * *
00019 * This work is distributed in the hope that it will be useful, *
00020 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
00021 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
00022 * Library General Public License for more details. *
00023 * *
00024 * You should have received a copy of the GNU Library General Public *
00025 * License along with this library; if not, write to the *
00026 * Free Software Foundation, Inc., 59 Temple Place - Suite 330, *
00027 * Boston, MA 02111-1307, USA. *
00028 * *
00029 * Java is a trademark of Sun Microsystems, Inc. *
00030 * *
00031 * To submit a bug report, send a comment, or get the latest news on *
00032 * this project and other Sable Research Group projects, please *
00033 * visit the web site: http://www.sable.mcgill.ca/ *
00034 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
00035
00036 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
00037 * Coffi, a bytecode parser for the Java(TM) language. *
00038 * Copyright (C) 1996, 1997 Clark Verbrugge (clump@sable.mcgill.ca). *
00039 * All rights reserved. *
00040 * *
00041 * This work was done as a project of the Sable Research Group, *
00042 * School of Computer Science, McGill University, Canada *
00043 * (http://www.sable.mcgill.ca/). It is understood that any *
00044 * modification not identified as such is not covered by the *
00045 * preceding statement. *
00046 * *
00047 * This work is free software; you can redistribute it and/or *
00048 * modify it under the terms of the GNU Library General Public *
00049 * License as published by the Free Software Foundation; either *
00050 * version 2 of the License, or (at your option) any later version. *
00051 * *
00052 * This work is distributed in the hope that it will be useful, *
00053 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
00054 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
00055 * Library General Public License for more details. *
00056 * *
00057 * You should have received a copy of the GNU Library General Public *
00058 * License along with this library; if not, write to the *
00059 * Free Software Foundation, Inc., 59 Temple Place - Suite 330, *
00060 * Boston, MA 02111-1307, USA. *
00061 * *
00062 * Java is a trademark of Sun Microsystems, Inc. *
00063 * *
00064 * To submit a bug report, send a comment, or get the latest news on *
00065 * this project and other Sable Research Group projects, please *
00066 * visit the web site: http://www.sable.mcgill.ca/ *
00067 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
00068
00069 /*
00070 Reference Version
00071 -----------------
00072 This is the latest official version on which this file is based.
00073 The reference version is: $CoffiVersion: 1.1 $
00074 $SootVersion: 1.beta.4 $
00075
00076 Change History
00077 --------------
00078 A) Notes:
00079
00080 Please use the following template. Most recent changes should
00081 appear at the top of the list.
00082
00083 - Modified on [date (March 1, 1900)] by [name]. [(*) if appropriate]
00084 [description of modification].
00085
00086 Any Modification flagged with "(*)" was done as a project of the
00087 Sable Research Group, School of Computer Science,
00088 McGill University, Canada (http://www.sable.mcgill.ca/).
00089
00090 You should add your copyright, using the following template, at
00091 the top of this file, along with other copyrights.
00092
00093 * *
00094 * Modifications by [name] are *
00095 * Copyright (C) [year(s)] [your name (or company)]. All rights *
00096 * reserved. *
00097 * *
00098
00099 B) Changes:
00100
00101 - Modified on November 2, 1998 by Raja Vallee-Rai (kor@sable.mcgill.ca) (*)
00102 Repackaged all source files and performed extensive modifications.
00103 First initial release of Soot.
00104
00105 - Modified on 15-Jun-1998 by Raja Vallee-Rai (kor@sable.mcgill.ca). (*)
00106 First internal release (Version 0.1).
00107 */
00108
00109 // for storing statistical or informative data about a class file
00110
00111 import java.io.*;
00112
00113 class Info {
00114
00115 public ClassFile cf;
00116 public long flength; // file length
00117
00118 public int cp; // number of constant pool entries
00119 public int fields; // number of fields
00120 public int methods; // number of methods
00121 public int pfields; // private fields
00122 public int pmethods; // private methods
00123
00124 public int attribsave; // savings through attribute elimination
00125 public int attribcpsave;// savings through cp compression after attribute elim.
00126 public int psave; // savings through renaming privates
00127
00128 public Info(ClassFile newcf) { cf = newcf; }
00129 public void verboseReport(PrintStream ps) {
00130 int total;
00131
00132 ps.println("<INFO> -- Debigulation Report on " + cf.fn + " --");
00133 ps.println("<INFO> Length: " + flength);
00134 ps.println("<INFO> CP: " + cp + " reduced to " + cf.constant_pool_count);
00135 ps.println("<INFO> Fields: " + fields + " (" + pfields + " private)" +
00136 " reduced to " + cf.fields_count);
00137 ps.println("<INFO> Methods: " + methods + " (" + pmethods + " private)" +
00138 " reduced to " + cf.methods_count);
00139 total = attribsave+attribcpsave+psave;
00140 if (total>0) {
00141 ps.println("<INFO> -- Savings through debigulation --");
00142 if (attribsave > 0)
00143 ps.println("<INFO> Attributes: " + attribsave);
00144 if (attribcpsave > 0)
00145 ps.println("<INFO> CP Compression: " + attribcpsave);
00146 if (psave > 0)
00147 ps.println("<INFO> Private renaming: " + psave);
00148 ps.println("<INFO> Total savings: " + total);
00149 double d = (((double)total)*100000.0)/((double)flength);
00150 int x = (int)d;
00151 d = ((double)x)/1000.0;
00152 ps.println("<INFO> ratio: " + d + "%");
00153 }
00154 }
00155 }
1.2.10 written by Dimitri van Heesch,
© 1997-2001