Added boost header

test/external/boost/proto/expr.hpp

@@ -0,0 +1,145 @@
+///////////////////////////////////////////////////////////////////////////////
+/// \file expr.hpp
+/// Contains definition of expr\<\> class template.
+//
+//  Copyright 2008 Eric Niebler. Distributed under the Boost
+//  Software License, Version 1.0. (See accompanying file
+//  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+
+#ifndef BOOST_PROTO_EXPR_HPP_EAN_04_01_2005
+#define BOOST_PROTO_EXPR_HPP_EAN_04_01_2005
+
+#include <boost/preprocessor/cat.hpp>
+#include <boost/preprocessor/arithmetic/dec.hpp>
+#include <boost/preprocessor/selection/max.hpp>
+#include <boost/preprocessor/iteration/iterate.hpp>
+#include <boost/preprocessor/facilities/intercept.hpp>
+#include <boost/preprocessor/repetition/repeat.hpp>
+#include <boost/preprocessor/repetition/repeat_from_to.hpp>
+#include <boost/preprocessor/repetition/enum_trailing.hpp>
+#include <boost/preprocessor/repetition/enum_params.hpp>
+#include <boost/preprocessor/repetition/enum_binary_params.hpp>
+#include <boost/preprocessor/repetition/enum_trailing_params.hpp>
+#include <boost/preprocessor/repetition/enum_trailing_binary_params.hpp>
+#include <boost/utility/addressof.hpp>
+#include <boost/proto/proto_fwd.hpp>
+#include <boost/proto/args.hpp>
+#include <boost/proto/traits.hpp>
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1020)
+# pragma warning(push)
+# pragma warning(disable : 4510) // default constructor could not be generated
+# pragma warning(disable : 4512) // assignment operator could not be generated
+# pragma warning(disable : 4610) // user defined constructor required
+#endif
+
+namespace boost { namespace proto
+{
+
+    namespace detail
+    {
+        struct not_a_valid_type
+        {
+        private:
+            not_a_valid_type()
+            {}
+        };
+        
+        template<typename Tag, typename Arg>
+        struct address_of_hack
+        {
+            typedef not_a_valid_type type;
+        };
+
+        template<typename Expr>
+        struct address_of_hack<proto::tag::address_of, Expr &>
+        {
+            typedef Expr *type;
+        };
+
+        template<typename T, typename Expr, typename Arg0>
+        Expr make_terminal(T &t, Expr *, proto::term<Arg0> *)
+        {
+            Expr that = {t};
+            return that;
+        }
+
+        template<typename T, typename Expr, typename Arg0, std::size_t N>
+        Expr make_terminal(T (&t)[N], Expr *, proto::term<Arg0[N]> *)
+        {
+            Expr that;
+            for(std::size_t i = 0; i < N; ++i)
+            {
+                that.child0[i] = t[i];
+            }
+            return that;
+        }
+
+        template<typename T, typename Expr, typename Arg0, std::size_t N>
+        Expr make_terminal(T const(&t)[N], Expr *, proto::term<Arg0[N]> *)
+        {
+            Expr that;
+            for(std::size_t i = 0; i < N; ++i)
+            {
+                that.child0[i] = t[i];
+            }
+            return that;
+        }
+
+        template<typename T, typename U>
+        struct same_cv
+        {
+            typedef U type;
+        };
+
+        template<typename T, typename U>
+        struct same_cv<T const, U>
+        {
+            typedef U const type;
+        };
+    }
+
+    namespace result_of
+    {
+        /// \brief A helper metafunction for computing the
+        /// return type of \c proto::expr\<\>::operator().
+        template<typename Sig, typename This, typename Domain>
+        struct funop;
+
+        #include <boost/proto/detail/funop.hpp>
+    }
+
+    namespace exprns_
+    {
+        // This is where the basic_expr specializations are
+        // actually defined:
+        #include <boost/proto/detail/basic_expr.hpp>
+
+        // This is where the expr specialization are
+        // actually defined:
+        #include <boost/proto/detail/expr.hpp>
+    }
+
+    /// \brief Lets you inherit the interface of an expression
+    /// while hiding from Proto the fact that the type is a Proto
+    /// expression.
+    template<typename Expr>
+    struct unexpr
+      : Expr
+    {
+        BOOST_PROTO_UNEXPR()
+
+        explicit unexpr(Expr const &e)
+          : Expr(e)
+        {}
+        
+        using Expr::operator =;
+    };
+
+}}
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1020)
+# pragma warning(pop)
+#endif
+
+#endif // BOOST_PROTO_EXPR_HPP_EAN_04_01_2005