sclass LASToJavaConverter {
  replace Tk with GazelleV_LeftArrowScript.
  delegate Evaluable to Tk.
  
  O toJava(Evaluable o) {
    if (o == null) null;
    if (o cast Tk.GetVar)
      ret o.var;
      
    warn("Can't convert to Java: " + className(o));
    if (o cast Tk.Base) {
      var src = o.tokenRangeWithSrc();
      if (src != null)
        ret src.text();
    ret str(o);
  }
}