public static boolean cppOperatorP(Stella_Object statement) {
    return (Stella_Object.consP(statement) &&
        Stella.getQuotedTree("((CPP_UNARY_OP CPP_BINARY_OP CPP_TERNARY_OP CPP_ASSIGN CPP_SLOT_VALUE_SETTER) \"/STELLA\")", "/STELLA").memberP(((Cons)(statement)).value));
  }