Added thirdparty: boost library

thirdparty/include/boost/spirit/home/qi/meta_compiler.hpp

@@ -0,0 +1,178 @@
+/*=============================================================================
+    Copyright (c) 2001-2011 Joel de Guzman
+
+    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)
+==============================================================================*/
+#if !defined(BOOST_SPIRIT_META_COMPILER_OCTOBER_16_2008_0347PM)
+#define BOOST_SPIRIT_META_COMPILER_OCTOBER_16_2008_0347PM
+
+#if defined(_MSC_VER)
+#pragma once
+#endif
+
+#include <boost/spirit/home/support/meta_compiler.hpp>
+#include <boost/spirit/home/qi/domain.hpp>
+#include <boost/spirit/home/qi/parser.hpp>
+#include <boost/spirit/home/support/string_traits.hpp>
+#include <boost/proto/tags.hpp>
+#include <boost/type_traits/remove_reference.hpp>
+#include <boost/utility/enable_if.hpp>
+#include <boost/fusion/include/at.hpp>
+
+namespace boost { namespace spirit
+{
+    template <typename T>
+    struct use_terminal<qi::domain, T
+      , typename enable_if<traits::is_parser<T> >::type> // enables parsers
+      : mpl::true_ {};
+
+    namespace qi
+    {
+        template <typename T, typename Modifiers, typename Enable = void>
+        struct make_primitive // by default, return it as-is
+        {
+            typedef T result_type;
+
+            template <typename T_>
+            T_& operator()(T_& val, unused_type) const
+            {
+                return val;
+            }
+
+            template <typename T_>
+            T_ const& operator()(T_ const& val, unused_type) const
+            {
+                return val;
+            }
+        };
+
+        template <typename Tag, typename Elements
+          , typename Modifiers, typename Enable = void>
+        struct make_composite;
+
+        template <typename Directive, typename Body
+          , typename Modifiers, typename Enable = void>
+        struct make_directive
+        {
+            typedef Body result_type;
+            result_type operator()(unused_type, Body const& body, unused_type) const
+            {
+                return body; // By default, a directive simply returns its subject
+            }
+        };
+    }
+
+    // Qi primitive meta-compiler
+    template <>
+    struct make_component<qi::domain, proto::tag::terminal>
+    {
+        template <typename Sig>
+        struct result;
+
+        template <typename This, typename Elements, typename Modifiers>
+        struct result<This(Elements, Modifiers)>
+        {
+            typedef typename qi::make_primitive<
+                typename remove_const<typename Elements::car_type>::type,
+                typename remove_reference<Modifiers>::type>::result_type
+            type;
+        };
+
+        template <typename Elements, typename Modifiers>
+        typename result<make_component(Elements, Modifiers)>::type
+        operator()(Elements const& elements, Modifiers const& modifiers) const
+        {
+            typedef typename remove_const<typename Elements::car_type>::type term;
+            return qi::make_primitive<term, Modifiers>()(elements.car, modifiers);
+        }
+    };
+
+    // Qi composite meta-compiler
+    template <typename Tag>
+    struct make_component<qi::domain, Tag>
+    {
+        template <typename Sig>
+        struct result;
+
+        template <typename This, typename Elements, typename Modifiers>
+        struct result<This(Elements, Modifiers)>
+        {
+            typedef typename
+                qi::make_composite<Tag, Elements,
+                typename remove_reference<Modifiers>::type>::result_type
+            type;
+        };
+
+        template <typename Elements, typename Modifiers>
+        typename result<make_component(Elements, Modifiers)>::type
+        operator()(Elements const& elements, Modifiers const& modifiers) const
+        {
+            return qi::make_composite<Tag, Elements, Modifiers>()(
+                elements, modifiers);
+        }
+    };
+
+    // Qi function meta-compiler
+    template <>
+    struct make_component<qi::domain, proto::tag::function>
+    {
+        template <typename Sig>
+        struct result;
+
+        template <typename This, typename Elements, typename Modifiers>
+        struct result<This(Elements, Modifiers)>
+        {
+            typedef typename
+                qi::make_composite<
+                    typename remove_const<typename Elements::car_type>::type,
+                    typename Elements::cdr_type,
+                    typename remove_reference<Modifiers>::type
+                >::result_type
+            type;
+        };
+
+        template <typename Elements, typename Modifiers>
+        typename result<make_component(Elements, Modifiers)>::type
+        operator()(Elements const& elements, Modifiers const& modifiers) const
+        {
+            return qi::make_composite<
+                typename remove_const<typename Elements::car_type>::type,
+                typename Elements::cdr_type,
+                Modifiers>()(elements.cdr, modifiers);
+        }
+    };
+
+    // Qi directive meta-compiler
+    template <>
+    struct make_component<qi::domain, tag::directive>
+    {
+        template <typename Sig>
+        struct result;
+
+        template <typename This, typename Elements, typename Modifiers>
+        struct result<This(Elements, Modifiers)>
+        {
+            typedef typename
+                qi::make_directive<
+                    typename remove_const<typename Elements::car_type>::type,
+                    typename remove_const<typename Elements::cdr_type::car_type>::type,
+                    typename remove_reference<Modifiers>::type
+                >::result_type
+            type;
+        };
+
+        template <typename Elements, typename Modifiers>
+        typename result<make_component(Elements, Modifiers)>::type
+        operator()(Elements const& elements, Modifiers const& modifiers) const
+        {
+            return qi::make_directive<
+                typename remove_const<typename Elements::car_type>::type,
+                typename remove_const<typename Elements::cdr_type::car_type>::type,
+                Modifiers>()(elements.car, elements.cdr.car, modifiers);
+        }
+    };
+
+}}
+
+#endif