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package hlt.language.design.instructions;

/**
 * @version     Last modified on Wed Jun 20 14:29:51 2012 by hak
 * @author      <a href="mailto:hak@acm.org">Hassan A&iuml;t-Kaci</a>
 * @copyright   &copy; <a href="http://www.hassan-ait-kaci.net/">by the author</a>
 */

import hlt.language.design.backend.Runtime;
import hlt.language.design.backend.RuntimeSet;

public class Subset extends Instruction
{
  public Subset ()
    {
      setName("SUBSET");
    }

  public final void execute (Runtime r)
    {
      RuntimeSet set1 = (RuntimeSet)r.popObject();
      RuntimeSet set2 = (RuntimeSet)r.popObject();

      r.pushBoolean(set2.contains(set1));
      r.incIP();
    }
}