// e.g. class JavaInputConditionToCode extends DynCRUD<Entry>
// => add constructor JavaInputConditionToCode() { super(Entry); }

svoid tok_crudAutoConstructor(LS tok) {
  int i = 0;
  while ((i = jfind(tok, i, "<id> extends DynCRUD< <id> >")) >= 0) {
    S className = tok.get(i), typeName = tok.get(i+8);
    LS body = tok_classBody(tok, i);
    if (!jcontains(body, className + "()", tokcondition {
      ret !eqOneOf(_get(tok, i-2), null, "}", ";");
    })) {
      int j = indexOf(tok, "{", i);
      tokAppend_reTok(tok, j, "\n  " + className + "() { super(" + typeName + "); }");
    }
  }
}