private static void assertName(final String name,final JBBPToken token){
  if (name.indexOf('.') >= 0) {
    throw new JBBPCompilationException("Detected disallowed char '.' in name [" + name + ']',token);
  }
}

private static void assertName ( final String name , final JBBPToken token ) { if ( name . indexOf ( '.' ) >= 0 ) { throw new JBBPCompilationException ( "Detected disallowed char '.' in name [" + name + ']' , token ) ; } }
the method check that a field name supports business rules .
