sclass PartiallyParsed<A> extends Var<A> {
  LS tok; // full CNC token list being parsed
  int iStart; // points to first parsed C token
  int iRemaining; // points to first unparsed C token
  
  *() {}
  *(A a) { super(a); }
  *(A a, LS *tok, int *iStart, int *iRemaining) { super(a); }
}