core:

import edu.neu.ccs.demeter.*;
add: class Player {
  protected Name name;
  public Name get_name() {{ return name; }}
  public void set_name(Name new_name)
    {{ name = new_name; }}
  protected NegOp negop;
  public NegOp get_negop() {{ return negop; }}
  public void set_negop(NegOp new_negop)
    {{ negop = new_negop; }}
  protected float gainLoss;
  public float get_gainLoss() {{ return gainLoss; }}
  public void set_gainLoss(float new_gainLoss)
    {{ gainLoss = new_gainLoss; }}
  public constructor Player() {{ super(); }}
  public constructor Player(Name name, NegOp negop, float gainLoss) {{
    super();
    set_name(name);
    set_negop(negop);
    set_gainLoss(gainLoss);
  }}
  public static Player parse(java.io.Reader in)
    throws ParseException
  {{ return new Parser(in)._Player(); }}
  public static Player parse(java.io.InputStream in)
    throws ParseException
  {{ return new Parser(in)._Player(); }}
  public static Player parse(String s) {{
    try { return parse(new java.io.StringReader(s)); }
    catch (ParseException e) {
      throw new RuntimeException(e.toString());
    }
  }}
{{  void universal_trv0_bef(UniversalVisitor _v_) {
    ((UniversalVisitor) _v_).before(this);
  }
}}
{{  void universal_trv0_aft(UniversalVisitor _v_) {
    ((UniversalVisitor) _v_).after(this);
  }
}}
{{  void universal_trv0(UniversalVisitor _v_) {
    universal_trv0_bef(_v_);
    ((UniversalVisitor) _v_).before_name(this, name);
    name.universal_trv0(_v_);
    ((UniversalVisitor) _v_).after_name(this, name);
    if (negop != null) {
      ((UniversalVisitor) _v_).before_negop(this, negop);
      negop.universal_trv0(_v_);
      ((UniversalVisitor) _v_).after_negop(this, negop);
    }
    ((UniversalVisitor) _v_).before_gainLoss(this, gainLoss);
    ((UniversalVisitor) _v_).after_gainLoss(this, gainLoss);
    universal_trv0_aft(_v_);
  }
}}
}