Chris@16: #if !defined(BOOST_PROTO_DONT_USE_PREPROCESSED_FILES)
Chris@16: 
Chris@16:     #include <boost/proto/detail/preprocessed/or_n.hpp>
Chris@16: 
Chris@16: #elif !defined(BOOST_PP_IS_ITERATING)
Chris@16: 
Chris@16:     #if defined(__WAVE__) && defined(BOOST_PROTO_CREATE_PREPROCESSED_FILES)
Chris@16:         #pragma wave option(preserve: 2, line: 0, output: "preprocessed/or_n.hpp")
Chris@16:     #endif
Chris@16: 
Chris@16:     ///////////////////////////////////////////////////////////////////////////////
Chris@16:     /// \file or_n.hpp
Chris@16:     /// Definitions of or_N
Chris@16:     //
Chris@16:     //  Copyright 2008 Eric Niebler. Distributed under the Boost
Chris@16:     //  Software License, Version 1.0. (See accompanying file
Chris@16:     //  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
Chris@16: 
Chris@16:     #if defined(__WAVE__) && defined(BOOST_PROTO_CREATE_PREPROCESSED_FILES)
Chris@16:         #pragma wave option(preserve: 1)
Chris@16:     #endif
Chris@16: 
Chris@16:     #define BOOST_PP_ITERATION_PARAMS_1                                                             \
Chris@16:         (3, (2, BOOST_PROTO_MAX_LOGICAL_ARITY, <boost/proto/detail/or_n.hpp>))
Chris@16:     #include BOOST_PP_ITERATE()
Chris@16: 
Chris@16:     #if defined(__WAVE__) && defined(BOOST_PROTO_CREATE_PREPROCESSED_FILES)
Chris@16:         #pragma wave option(output: null)
Chris@16:     #endif
Chris@16: 
Chris@16: #else // BOOST_PP_IS_ITERATING
Chris@16: 
Chris@16:     #define N BOOST_PP_ITERATION()
Chris@16: 
Chris@16:     template<bool B, typename Expr, typename BasicExpr, BOOST_PP_ENUM_PARAMS(N, typename G)>
Chris@16:     struct BOOST_PP_CAT(or_, N)
Chris@16:     #if 2 == N
Chris@16:       : mpl::bool_<matches_<Expr, BasicExpr, typename G1::proto_grammar>::value>
Chris@16:     {
Chris@16:         typedef G1 which;
Chris@16:     };
Chris@16:     #else
Chris@16:       : BOOST_PP_CAT(or_, BOOST_PP_DEC(N))<
Chris@16:             matches_<Expr, BasicExpr, typename G1::proto_grammar>::value
Chris@16:           , Expr, BasicExpr, BOOST_PP_ENUM_SHIFTED_PARAMS(N, G)
Chris@16:         >
Chris@16:     {};
Chris@16:     #endif
Chris@16: 
Chris@16:     template<typename Expr, typename BasicExpr BOOST_PP_ENUM_TRAILING_PARAMS(N, typename G)>
Chris@16:     struct BOOST_PP_CAT(or_, N)<true, Expr, BasicExpr, BOOST_PP_ENUM_PARAMS(N, G)>
Chris@16:       : mpl::true_
Chris@16:     {
Chris@16:         typedef G0 which;
Chris@16:     };
Chris@16: 
Chris@16:     #undef N
Chris@16: 
Chris@16: #endif