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133 lines
3.8 KiB
C++
133 lines
3.8 KiB
C++
///////////////////////////////////////////////////////////////////////////////
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/// \file args.hpp
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/// Contains definition of \c term\<\>, \c list1\<\>, \c list2\<\>, ...
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/// class templates.
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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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#ifndef BOOST_PROTO_ARGS_HPP_EAN_04_01_2005
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#define BOOST_PROTO_ARGS_HPP_EAN_04_01_2005
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#include <boost/preprocessor/cat.hpp>
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#include <boost/preprocessor/arithmetic/dec.hpp>
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#include <boost/preprocessor/iteration/iterate.hpp>
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#include <boost/preprocessor/repetition/enum_params.hpp>
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#include <boost/preprocessor/repetition/repeat.hpp>
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#include <boost/preprocessor/repetition/repeat_from_to.hpp>
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#include <boost/mpl/if.hpp>
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#include <boost/mpl/void.hpp>
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#include <boost/proto/proto_fwd.hpp>
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#include <boost/proto/detail/is_noncopyable.hpp>
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#include <boost/mpl/or.hpp>
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#include <boost/type_traits/is_function.hpp>
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#include <boost/type_traits/is_abstract.hpp>
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namespace boost { namespace proto
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{
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namespace detail
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{
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/// INTERNAL ONLY
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template<typename Expr>
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struct expr_traits
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{
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typedef Expr value_type;
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typedef Expr &reference;
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typedef Expr const &const_reference;
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};
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/// INTERNAL ONLY
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template<typename Expr>
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struct expr_traits<Expr &>
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{
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typedef Expr value_type;
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typedef Expr &reference;
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typedef Expr &const_reference;
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};
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/// INTERNAL ONLY
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template<typename Expr>
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struct expr_traits<Expr const &>
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{
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typedef Expr value_type;
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typedef Expr const &reference;
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typedef Expr const &const_reference;
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};
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/// INTERNAL ONLY
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template<typename T>
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struct term_traits
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{
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typedef T value_type;
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typedef T &reference;
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typedef T const &const_reference;
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};
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/// INTERNAL ONLY
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template<typename T>
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struct term_traits<T &>
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{
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typedef typename mpl::if_c<is_noncopyable<T>::value, T &, T>::type value_type;
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typedef T &reference;
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typedef T &const_reference;
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};
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/// INTERNAL ONLY
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template<typename T>
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struct term_traits<T const &>
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{
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typedef T value_type;
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typedef T const &reference;
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typedef T const &const_reference;
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};
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/// INTERNAL ONLY
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template<typename T, std::size_t N>
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struct term_traits<T (&)[N]>
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{
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typedef T value_type[N];
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typedef T (&reference)[N];
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typedef T (&const_reference)[N];
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};
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/// INTERNAL ONLY
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template<typename T, std::size_t N>
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struct term_traits<T const (&)[N]>
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{
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typedef T value_type[N];
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typedef T const (&reference)[N];
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typedef T const (&const_reference)[N];
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};
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/// INTERNAL ONLY
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template<typename T, std::size_t N>
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struct term_traits<T[N]>
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{
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typedef T value_type[N];
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typedef T (&reference)[N];
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typedef T const (&const_reference)[N];
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};
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/// INTERNAL ONLY
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template<typename T, std::size_t N>
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struct term_traits<T const[N]>
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{
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typedef T value_type[N];
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typedef T const (&reference)[N];
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typedef T const (&const_reference)[N];
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};
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}
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namespace argsns_
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{
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// This is where term and all the different listN templates are defined
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#include <boost/proto/detail/args.hpp>
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}
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}}
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#endif
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