88 lines
3.4 KiB
Plaintext
88 lines
3.4 KiB
Plaintext
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#if !defined(BOOST_PROTO_DONT_USE_PREPROCESSED_FILES)
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#include <boost/proto/detail/preprocessed/funop.hpp>
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#elif !defined(BOOST_PP_IS_ITERATING)
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#define BOOST_PROTO_AS_CHILD_TYPE(Z, N, DATA) \
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typename proto::result_of::as_child<BOOST_PP_CAT(A, N), Domain>::type \
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/**/
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#define BOOST_PROTO_AS_CHILD(Z, N, DATA) \
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proto::as_child<Domain>(BOOST_PP_CAT(a, N)) \
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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/funop.hpp")
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#endif
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///////////////////////////////////////////////////////////////////////////////
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// funop.hpp
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// Contains definition of funop[n]\<\> class template.
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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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#define BOOST_PP_ITERATION_PARAMS_1 \
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(3, (0, BOOST_PP_DEC(BOOST_PROTO_MAX_FUNCTION_CALL_ARITY), <boost/proto/detail/funop.hpp>))
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#include BOOST_PP_ITERATE()
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#undef BOOST_PROTO_AS_CHILD
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#undef BOOST_PROTO_AS_CHILD_TYPE
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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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#else
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/// \brief A helper metafunction for computing the
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/// return type of \c proto::expr\<\>::operator().
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template<typename Expr, typename Domain BOOST_PP_ENUM_TRAILING_PARAMS(BOOST_PP_ITERATION(), typename A)>
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struct BOOST_PP_CAT(funop, BOOST_PP_ITERATION())
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{
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typedef typename proto::base_expr<
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Domain
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, tag::function
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, BOOST_PP_CAT(list, BOOST_PP_INC(BOOST_PP_ITERATION()))<
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Expr &
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BOOST_PP_ENUM_TRAILING(BOOST_PP_ITERATION(), BOOST_PROTO_AS_CHILD_TYPE, ~)
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>
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>::type type;
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BOOST_FORCEINLINE
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static type const call(
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Expr &e
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BOOST_PP_ENUM_TRAILING_BINARY_PARAMS(BOOST_PP_ITERATION(), A, &a)
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)
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{
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type that = {
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e
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BOOST_PP_ENUM_TRAILING(BOOST_PP_ITERATION(), BOOST_PROTO_AS_CHILD, ~)
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};
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return that;
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}
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};
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/// \brief A helper metafunction for computing the
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/// return type of \c proto::expr\<\>::operator().
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template<typename Expr BOOST_PP_ENUM_TRAILING_PARAMS(BOOST_PP_ITERATION(), typename A), typename This, typename Domain>
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struct funop<Expr(BOOST_PP_ENUM_PARAMS(BOOST_PP_ITERATION(), A)), This, Domain>
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: BOOST_PP_CAT(funop, BOOST_PP_ITERATION())<
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typename detail::same_cv<Expr, This>::type
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, Domain
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BOOST_PP_ENUM_TRAILING_BINARY_PARAMS(
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BOOST_PP_ITERATION()
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, typename remove_reference<A
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, >::type BOOST_PP_INTERCEPT
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)
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>
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{};
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#endif // BOOST_PROTO_DONT_USE_PREPROCESSED_FILES
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