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A Java Optimization Framework

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package soot.jimple.toolkits.pointer.nativemethods;

/*-
 * #%L
 * Soot - a J*va Optimization Framework
 * %%
 * Copyright (C) 2003 Feng Qian
 * %%
 * 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
 * .
 * #L%
 */

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import soot.SootMethod;
import soot.jimple.toolkits.pointer.representations.ReferenceVariable;
import soot.jimple.toolkits.pointer.util.NativeHelper;

public abstract class NativeMethodClass {
  private static final Logger logger = LoggerFactory.getLogger(NativeMethodClass.class);

  private static final boolean DEBUG = false;
  protected NativeHelper helper;

  public NativeMethodClass(NativeHelper helper) {
    this.helper = helper;
  }

  /*
   * If a native method has no side effect, call this method. Currently, it does nothing.
   */
  public static void defaultMethod(SootMethod method, ReferenceVariable thisVar, ReferenceVariable returnVar,
      ReferenceVariable params[]) {
    if (DEBUG) {
      logger.debug("No side effects : " + method.toString());
    }
  }

  /* To be implemented by individual classes */
  public abstract void simulateMethod(SootMethod method, ReferenceVariable thisVar, ReferenceVariable returnVar,
      ReferenceVariable params[]);

}