Added boost header
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86
test/external/boost/proto/transform/detail/call.hpp
vendored
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86
test/external/boost/proto/transform/detail/call.hpp
vendored
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#if !defined(BOOST_PROTO_DONT_USE_PREPROCESSED_FILES)
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#include <boost/proto/transform/detail/preprocessed/call.hpp>
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#elif !defined(BOOST_PP_IS_ITERATING)
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#define BOOST_PROTO_NTH_RESULT_TYPE(Z, M, DATA) \
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typedef \
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typename when<_, BOOST_PP_CAT(A, M)>::template impl<Expr, State, Data> \
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BOOST_PP_CAT(a, M); \
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typedef typename BOOST_PP_CAT(a, M)::result_type BOOST_PP_CAT(b, M); \
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/**/
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#define BOOST_PROTO_NTH_RESULT(Z, M, DATA) \
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detail::as_lvalue(BOOST_PP_CAT(a, M)()(e, s, d)) \
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/**/
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#if defined(__WAVE__) && defined(BOOST_PROTO_CREATE_PREPROCESSED_FILES)
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#pragma wave option(preserve: 2, line: 0, output: "preprocessed/call.hpp")
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#endif
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///////////////////////////////////////////////////////////////////////////////
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/// \file call.hpp
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/// Contains definition of the call<> transform.
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//
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// Copyright 2008 Eric Niebler. Distributed under the Boost
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// Software License, Version 1.0. (See accompanying file
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// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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#if defined(__WAVE__) && defined(BOOST_PROTO_CREATE_PREPROCESSED_FILES)
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#pragma wave option(preserve: 1)
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#endif
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#if BOOST_PROTO_MAX_ARITY > 3
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#define BOOST_PP_ITERATION_PARAMS_1 \
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(3, (4, BOOST_PROTO_MAX_ARITY, <boost/proto/transform/detail/call.hpp>))
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#include BOOST_PP_ITERATE()
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#endif
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#if defined(__WAVE__) && defined(BOOST_PROTO_CREATE_PREPROCESSED_FILES)
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#pragma wave option(output: null)
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#endif
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#undef BOOST_PROTO_NTH_RESULT
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#undef BOOST_PROTO_NTH_RESULT_TYPE
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#else
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#define N BOOST_PP_ITERATION()
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/// \brief Call the PolymorphicFunctionObject \c Fun with the
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/// current expression, state and data, transformed according
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/// to \c A0 through \c AN.
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template<typename Fun BOOST_PP_ENUM_TRAILING_PARAMS(N, typename A)>
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struct call<Fun(BOOST_PP_ENUM_PARAMS(N, A))> : transform<call<Fun(BOOST_PP_ENUM_PARAMS(N, A))> >
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{
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template<typename Expr, typename State, typename Data>
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struct impl : transform_impl<Expr, State, Data>
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{
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BOOST_PP_REPEAT(N, BOOST_PROTO_NTH_RESULT_TYPE, ~)
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typedef detail::poly_function_traits<Fun, Fun(BOOST_PP_ENUM_PARAMS(N, b))> function_traits;
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typedef typename function_traits::result_type result_type;
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/// Let \c ax be <tt>when\<_, Ax\>()(e, s, d)</tt>
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/// for each \c x in <tt>[0,N]</tt>.
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/// Return <tt>Fun()(a0, a1,... aN)</tt>.
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///
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/// \param e The current expression
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/// \param s The current state
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/// \param d An arbitrary data
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result_type operator ()(
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typename impl::expr_param e
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, typename impl::state_param s
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, typename impl::data_param d
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) const
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{
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typedef typename function_traits::function_type function_type;
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return function_type()(BOOST_PP_ENUM(N, BOOST_PROTO_NTH_RESULT, ~));
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}
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};
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};
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#undef N
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#endif
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