#if !defined(BOOST_PROTO_DONT_USE_PREPROCESSED_FILES) #include <boost/proto/detail/preprocessed/or_n.hpp> #elif !defined(BOOST_PP_IS_ITERATING) #if defined(__WAVE__) && defined(BOOST_PROTO_CREATE_PREPROCESSED_FILES) #pragma wave option(preserve: 2, line: 0, output: "preprocessed/or_n.hpp") #endif /////////////////////////////////////////////////////////////////////////////// /// \file or_n.hpp /// Definitions of or_N // // Copyright 2008 Eric Niebler. Distributed under the Boost // Software License, Version 1.0. (See accompanying file // LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) #if defined(__WAVE__) && defined(BOOST_PROTO_CREATE_PREPROCESSED_FILES) #pragma wave option(preserve: 1) #endif #define BOOST_PP_ITERATION_PARAMS_1 \ (3, (2, BOOST_PROTO_MAX_LOGICAL_ARITY, <boost/proto/detail/or_n.hpp>)) #include BOOST_PP_ITERATE() #if defined(__WAVE__) && defined(BOOST_PROTO_CREATE_PREPROCESSED_FILES) #pragma wave option(output: null) #endif #else // BOOST_PP_IS_ITERATING #define N BOOST_PP_ITERATION() template<bool B, typename Expr, typename BasicExpr, BOOST_PP_ENUM_PARAMS(N, typename G)> struct BOOST_PP_CAT(or_, N) #if 2 == N : mpl::bool_<matches_<Expr, BasicExpr, typename G1::proto_grammar>::value> { typedef G1 which; }; #else : BOOST_PP_CAT(or_, BOOST_PP_DEC(N))< matches_<Expr, BasicExpr, typename G1::proto_grammar>::value , Expr, BasicExpr, BOOST_PP_ENUM_SHIFTED_PARAMS(N, G) > {}; #endif template<typename Expr, typename BasicExpr BOOST_PP_ENUM_TRAILING_PARAMS(N, typename G)> struct BOOST_PP_CAT(or_, N)<true, Expr, BasicExpr, BOOST_PP_ENUM_PARAMS(N, G)> : mpl::true_ { typedef G0 which; }; #undef N #endif