All Downloads are FREE. Search and download functionalities are using the official Maven repository.

soot.coffi.Info Maven / Gradle / Ivy

There is a newer version: 2.5.0-9
Show newest version
/* Soot - a J*va Optimization Framework
 * Copyright (C) 1997 Clark Verbrugge
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the
 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 */

/*
 * Modified by the Sable Research Group and others 1997-1999.  
 * See the 'credits' file distributed with Soot for the complete list of
 * contributors.  (Soot is distributed at http://www.sable.mcgill.ca/soot)
 */







package soot.coffi;
// for storing statistical or informative data about a class file

import java.io.*;

class Info {

  public ClassFile cf;
  public long flength;    // file length

  public int cp;          // number of constant pool entries
  public int fields;      // number of fields
  public int methods;     // number of methods
  public int pfields;     // private fields
  public int pmethods;    // private methods

  public int attribsave;  // savings through attribute elimination
  public int attribcpsave;// savings through cp compression after attribute elim.
  public int psave;       // savings through renaming privates

  public Info(ClassFile newcf) { cf = newcf; }

  public void verboseReport(PrintStream ps) {
    int total;

    ps.println(" -- Debigulation Report on " + cf.fn + " --");
    ps.println("   Length: " + flength);
    ps.println("       CP: " + cp + " reduced to " + cf.constant_pool_count);
    ps.println("   Fields: " + fields + " (" + pfields + " private)" +
               " reduced to " + cf.fields_count);
    ps.println("  Methods: " + methods + " (" + pmethods + " private)" +
               " reduced to " + cf.methods_count);
    total = attribsave+attribcpsave+psave;
    if (total>0) {
      ps.println(" -- Savings through debigulation --");
      if (attribsave > 0)
        ps.println("         Attributes: " + attribsave);
      if (attribcpsave > 0)
        ps.println("     CP Compression: " + attribcpsave);
      if (psave > 0)
        ps.println("   Private renaming: " + psave);
      ps.println("  Total savings: " + total);
      double d = ((total)*100000.0)/(flength);
      int x = (int)d;
      d = (x)/1000.0;
      ps.println("          ratio: " + d + "%");
    }
  }
}




© 2015 - 2024 Weber Informatics LLC | Privacy Policy