On 8/26/2011 12:53 PM, John Maddock wrote:
struct big_number_grammar : proto::or_< proto::terminal<proto::_> , proto::plus< big_number_grammar, big_number_grammar > , proto::multiplies< big_number_grammar, big_number_grammar > , proto::minus< big_number_grammar, big_number_grammar > , proto::divides< big_number_grammar, big_number_grammar > , proto::unary_plus< big_number_grammar > , proto::negate< big_number_grammar > , proto::or_< proto::modulus<big_number_grammar, big_number_grammar> , proto::shift_left<big_number_grammar, integer_terminal> , proto::shift_right<big_number_grammar, integer_terminal> , proto::bitwise_and<big_number_grammar, big_number_grammar> >
{};
BTW, this grammar begs to be optimized with proto::switch_. Aside from that, if you're using the latest released Proto, proto::or_ can have up to 10 alternates before you need to cascade them. But use switch_. It'll compile faster. -- Eric Niebler BoostPro Computing http://www.boostpro.com