@Override
  public Object evaluate(EvaluationContextImpl context) throws EvaluateException {
    Object value;
    while (true) {
      value = myConditionEvaluator.evaluate(context);
      if (!(value instanceof BooleanValue)) {
        throw EvaluateExceptionUtil.BOOLEAN_EXPECTED;
      }
      else {
        if (!((BooleanValue)value).booleanValue()) {
          break;
        }
      }

      if (body(context)) break;
    }

    return value;
  }
@Override
  public Object evaluate(EvaluationContextImpl context)