code: public EList<Rule> getRules()
    {
      if (rules == null)
      {
        rules = new EObjectContainmentEList<Rule>(Rule.class, this, SimpleAntlrPackage.ANTLR_GRAMMAR__RULES);
      }
      return rules;
    }
docs: <!-- begin-user-doc -->
  <!-- end-user-doc -->
  @generated