package soot.jbco.bafTransformations;

/*-
 * #%L
 * Soot - a J*va Optimization Framework
 * %%
 * Copyright (C) 1997 - 1999 Raja Vallee-Rai
 * %%
 * This program 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 program 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 General Lesser Public License for more details.
 * 
 * You should have received a copy of the GNU General Lesser Public
 * License along with this program.  If not, see
 * <http://www.gnu.org/licenses/lgpl-2.1.html>.
 * #L%
 */

import java.util.Map;

import soot.Body;
import soot.BodyTransformer;
import soot.Unit;
import soot.baf.GotoInst;
import soot.baf.JSRInst;
import soot.baf.TargetArgInst;
import soot.jbco.IJbcoTransform;

public class BAFCounter extends BodyTransformer implements IJbcoTransform {

  static int count = 0;
  public static String dependancies[] = new String[] { "bb.jbco_counter" };

  public String[] getDependencies() {
    return dependancies;
  }

  public static String name = "bb.jbco_counter";

  public String getName() {
    return name;
  }

  public void outputSummary() {
    out.println("Count: " + count);
  }

  protected void internalTransform(Body b, String phaseName, Map<String, String> options) {
    for (Unit u : b.getUnits()) {
      if (u instanceof TargetArgInst && !(u instanceof GotoInst) && !(u instanceof JSRInst)) {
        count++;
      }
    }
  }
}
