133 lines
		
	
	
		
			3.7 KiB
		
	
	
	
		
			C++
		
	
	
		
			Executable File
		
	
	
	
	
			
		
		
	
	
			133 lines
		
	
	
		
			3.7 KiB
		
	
	
	
		
			C++
		
	
	
		
			Executable File
		
	
	
	
	
| ///////////////////////////////////////////////////////////////////////////////
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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|         /// 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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| 
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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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| 
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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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| }}
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| 
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| #endif
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| 
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