Initial constexpr support

This allows to use, e.g., boost::fusion::fold within constexpr functions. The BOOST_CONSTEXPR macro is used to declare functions constexpr.
2014-05-30 16:39:00 +02:00
parent 4f941d9760
commit c2abefbab8
39 changed files with 126 additions and 126 deletions
--- a/include/boost/fusion/sequence/intrinsic/at.hpp
+++ b/include/boost/fusion/sequence/intrinsic/at.hpp
@ -72,7 +72,7 @@ namespace boost { namespace fusion


    template <typename N, typename Sequence>
-    BOOST_FUSION_GPU_ENABLED
+    BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
    inline typename
        lazy_disable_if<
            is_const<Sequence>
@ -84,7 +84,7 @@ namespace boost { namespace fusion
    }

    template <typename N, typename Sequence>
-    BOOST_FUSION_GPU_ENABLED
+    BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
    inline typename result_of::at<Sequence const, N>::type
    at(Sequence const& seq)
    {
@ -92,7 +92,7 @@ namespace boost { namespace fusion
    }

    template <int N, typename Sequence>
-    BOOST_FUSION_GPU_ENABLED
+    BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
    inline typename
        lazy_disable_if<
            is_const<Sequence>
@ -104,7 +104,7 @@ namespace boost { namespace fusion
    }

    template <int N, typename Sequence>
-    BOOST_FUSION_GPU_ENABLED
+    BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
    inline typename result_of::at_c<Sequence const, N>::type
    at_c(Sequence const& seq)
    {
--- a/include/boost/fusion/sequence/intrinsic/at_key.hpp
+++ b/include/boost/fusion/sequence/intrinsic/at_key.hpp
@ -38,7 +38,7 @@ namespace boost { namespace fusion
                    >::type
                type;

-                BOOST_FUSION_GPU_ENABLED
+                BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
                static type
                call(Seq& seq)
                {
@ -74,7 +74,7 @@ namespace boost { namespace fusion
    }

    template <typename Key, typename Sequence>
-    BOOST_FUSION_GPU_ENABLED
+    BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
    inline typename 
        lazy_disable_if<
            is_const<Sequence>
@ -86,7 +86,7 @@ namespace boost { namespace fusion
    }

    template <typename Key, typename Sequence>
-    BOOST_FUSION_GPU_ENABLED
+    BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
    inline typename result_of::at_key<Sequence const, Key>::type
    at_key(Sequence const& seq)
    {
--- a/include/boost/fusion/sequence/intrinsic/back.hpp
+++ b/include/boost/fusion/sequence/intrinsic/back.hpp
@ -27,7 +27,7 @@ namespace boost { namespace fusion
    }
    
    template <typename Sequence>
-    BOOST_FUSION_GPU_ENABLED
+    BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
    inline typename result_of::back<Sequence>::type
    back(Sequence& seq)
    {
@ -35,7 +35,7 @@ namespace boost { namespace fusion
    }

    template <typename Sequence>
-    BOOST_FUSION_GPU_ENABLED
+    BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
    inline typename result_of::back<Sequence const>::type
    back(Sequence const& seq)
    {
--- a/include/boost/fusion/sequence/intrinsic/begin.hpp
+++ b/include/boost/fusion/sequence/intrinsic/begin.hpp
@ -71,7 +71,7 @@ namespace boost { namespace fusion
    }

    template <typename Sequence>
-    BOOST_FUSION_GPU_ENABLED
+    BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
    inline typename
        lazy_enable_if<
            traits::is_sequence<Sequence>
@ -83,7 +83,7 @@ namespace boost { namespace fusion
    }

    template <typename Sequence>
-    BOOST_FUSION_GPU_ENABLED
+    BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
    inline typename
        lazy_enable_if<
            traits::is_sequence<Sequence>
--- a/include/boost/fusion/sequence/intrinsic/detail/segmented_begin.hpp
+++ b/include/boost/fusion/sequence/intrinsic/detail/segmented_begin.hpp
@ -32,7 +32,7 @@ namespace boost { namespace fusion { namespace detail
            >
        type;

-        BOOST_FUSION_GPU_ENABLED
+        BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
        static type call(Sequence& seq)
        {
            return type(
--- a/include/boost/fusion/sequence/intrinsic/detail/segmented_begin_impl.hpp
+++ b/include/boost/fusion/sequence/intrinsic/detail/segmented_begin_impl.hpp
@ -38,7 +38,7 @@ namespace boost { namespace fusion { namespace detail
            typedef cons<range_type, Context> type;
            typedef mpl::false_ continue_type;

-            BOOST_FUSION_GPU_ENABLED
+            BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
            static type call(Sequence& seq, State const&, Context const& context, segmented_begin_fun)
            {
                return type(range_type(fusion::begin(seq), fusion::end(seq)), context);
@ -64,7 +64,7 @@ namespace boost { namespace fusion { namespace detail

        typedef typename fold_impl::type type;

-        BOOST_FUSION_GPU_ENABLED
+        BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
        static type call(Sequence& seq, Stack const& stack)
        {
            return fold_impl::call(seq, end_impl::call(seq, stack), stack, segmented_begin_fun());
@ -79,7 +79,7 @@ namespace boost { namespace fusion { namespace detail
        typedef iterator_range<begin_type, end_type>    pair_type;
        typedef cons<pair_type, Stack>                  type;

-        BOOST_FUSION_GPU_ENABLED
+        BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
        static type call(Sequence& seq, Stack stack)
        {
            return type(pair_type(fusion::begin(seq), fusion::end(seq)), stack);
--- a/include/boost/fusion/sequence/intrinsic/detail/segmented_end.hpp
+++ b/include/boost/fusion/sequence/intrinsic/detail/segmented_end.hpp
@ -28,7 +28,7 @@ namespace boost { namespace fusion { namespace detail
            >
        type;

-        BOOST_FUSION_GPU_ENABLED
+        BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
        static type call(Sequence & seq)
        {
            return type(
--- a/include/boost/fusion/sequence/intrinsic/detail/segmented_end_impl.hpp
+++ b/include/boost/fusion/sequence/intrinsic/detail/segmented_end_impl.hpp
@ -48,7 +48,7 @@ namespace boost { namespace fusion { namespace detail
        typedef iterator_range<end_type, end_type>  pair_type;
        typedef cons<pair_type, Stack>              type;

-        BOOST_FUSION_GPU_ENABLED
+        BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
        static type call(Sequence & seq, Stack stack)
        {
            end_type end = fusion::end(fusion::segments(seq));
--- a/include/boost/fusion/sequence/intrinsic/empty.hpp
+++ b/include/boost/fusion/sequence/intrinsic/empty.hpp
@ -51,7 +51,7 @@ namespace boost { namespace fusion
    }

    template <typename Sequence>
-    BOOST_FUSION_GPU_ENABLED
+    BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
    inline typename result_of::empty<Sequence>::type
    empty(Sequence const&)
    {
--- a/include/boost/fusion/sequence/intrinsic/end.hpp
+++ b/include/boost/fusion/sequence/intrinsic/end.hpp
@ -71,7 +71,7 @@ namespace boost { namespace fusion
    }

    template <typename Sequence>
-    BOOST_FUSION_GPU_ENABLED
+    BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
    inline typename
        lazy_enable_if<
            traits::is_sequence<Sequence>
@ -83,7 +83,7 @@ namespace boost { namespace fusion
    }

    template <typename Sequence>
-    BOOST_FUSION_GPU_ENABLED
+    BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
    inline typename
        lazy_enable_if<
            traits::is_sequence<Sequence>
--- a/include/boost/fusion/sequence/intrinsic/front.hpp
+++ b/include/boost/fusion/sequence/intrinsic/front.hpp
@ -26,7 +26,7 @@ namespace boost { namespace fusion
    }
    
    template <typename Sequence>
-    BOOST_FUSION_GPU_ENABLED
+    BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
    inline typename result_of::front<Sequence>::type
    front(Sequence& seq)
    {
@ -34,7 +34,7 @@ namespace boost { namespace fusion
    }

    template <typename Sequence>
-    BOOST_FUSION_GPU_ENABLED
+    BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
    inline typename result_of::front<Sequence const>::type
    front(Sequence const& seq)
    {
--- a/include/boost/fusion/sequence/intrinsic/has_key.hpp
+++ b/include/boost/fusion/sequence/intrinsic/has_key.hpp
@ -68,7 +68,7 @@ namespace boost { namespace fusion
    }

    template <typename Key, typename Sequence>
-    BOOST_FUSION_GPU_ENABLED
+    BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
    inline typename result_of::has_key<Sequence, Key>::type
    has_key(Sequence const&)
    {
--- a/include/boost/fusion/sequence/intrinsic/segments.hpp
+++ b/include/boost/fusion/sequence/intrinsic/segments.hpp
@ -54,7 +54,7 @@ namespace boost { namespace fusion
    }

    template <typename Sequence>
-    BOOST_FUSION_GPU_ENABLED
+    BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
    inline typename
        lazy_disable_if<
            is_const<Sequence>
@ -67,7 +67,7 @@ namespace boost { namespace fusion
    }

    template <typename Sequence>
-    BOOST_FUSION_GPU_ENABLED
+    BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
    inline typename result_of::segments<Sequence const>::type
    segments(Sequence const& seq)
    {
--- a/include/boost/fusion/sequence/intrinsic/size.hpp
+++ b/include/boost/fusion/sequence/intrinsic/size.hpp
@ -78,7 +78,7 @@ namespace boost { namespace fusion
    }

    template <typename Sequence>
-    BOOST_FUSION_GPU_ENABLED
+    BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
    inline typename result_of::size<Sequence>::type
    size(Sequence const&)
    {
--- a/include/boost/fusion/sequence/intrinsic/swap.hpp
+++ b/include/boost/fusion/sequence/intrinsic/swap.hpp
@ -40,7 +40,7 @@ namespace boost { namespace fusion {
            };

            template<typename Elem>
-            BOOST_FUSION_GPU_ENABLED
+            BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
            void operator()(Elem const& e) const
            {
                using std::swap;
@ -50,7 +50,7 @@ namespace boost { namespace fusion {
    }

    template<typename Seq1, typename Seq2>
-    BOOST_FUSION_GPU_ENABLED
+    BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
    typename enable_if<mpl::and_<traits::is_sequence<Seq1>, traits::is_sequence<Seq2> >, void>::type 
    swap(Seq1& lhs, Seq2& rhs)
    {