protected String formatInstruction(Instruction inst){
  if (Call.conforms(inst)) {
    return "CALL " + formatCall(inst);
  }
 else {
    return inst.toString();
  }
}

protected String formatInstruction ( Instruction inst ) { if ( Call . conforms ( inst ) ) { return "CALL " + formatCall ( inst ) ; } else { return inst . toString ( ) ; } }
formats instructions . currently only calls are specially formatted , everything else is just printed .
