Imported Upstream version 1.57.0

[platform/upstream/boost.git] / boost / spirit / home / classic / meta / impl / parser_traits.ipp

diff --git a/boost/spirit/home/classic/meta/impl/parser_traits.ipp b/boost/spirit/home/classic/meta/impl/parser_traits.ipp
index e648acd..846a58b 100644 (file)
--- a/boost/spirit/home/classic/meta/impl/parser_traits.ipp
+++ b/boost/spirit/home/classic/meta/impl/parser_traits.ipp
@@ -21,80 +21,6 @@ BOOST_SPIRIT_CLASSIC_NAMESPACE_BEGIN
 namespace impl
 {
 
-#if defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)
-
-    ///////////////////////////////////////////////////////////////////////////
-    //
-    //  from spirit 1.1 (copyright (c) 2001 Bruce Florman)
-    //  various workarounds to support compile time decisions without partial
-    //  template specialization whether a given type is an instance of a
-    //  concrete parser type.
-    //
-    ///////////////////////////////////////////////////////////////////////////
-
-    ///////////////////////////////////////////////////////////////////////////
-    template <typename T>
-    struct parser_type_traits
-    {
-    //  Determine at compile time (without partial specialization)
-    //  whether a given type is an instance of the alternative<A,B>
-
-        static T t();
-
-        typedef struct { char dummy[1]; }   size1_t;
-        typedef struct { char dummy[2]; }   size2_t;
-        typedef struct { char dummy[3]; }   size3_t;
-        typedef struct { char dummy[4]; }   size4_t;
-        typedef struct { char dummy[5]; }   size5_t;
-        typedef struct { char dummy[6]; }   size6_t;
-        typedef struct { char dummy[7]; }   size7_t;
-        typedef struct { char dummy[8]; }   size8_t;
-        typedef struct { char dummy[9]; }   size9_t;
-        typedef struct { char dummy[10]; }  size10_t;
-
-    // the following functions need no implementation
-        template <typename A, typename B>
-        static size1_t test_(alternative<A, B> const&);
-        template <typename A, typename B>
-        static size2_t test_(sequence<A, B> const&);
-        template <typename A, typename B>
-        static size3_t test_(sequential_or<A, B> const&);
-        template <typename A, typename B>
-        static size4_t test_(intersection<A, B> const&);
-        template <typename A, typename B>
-        static size5_t test_(difference<A, B> const&);
-        template <typename A, typename B>
-        static size6_t test_(exclusive_or<A, B> const&);
-        template <typename S>
-        static size7_t test_(optional<S> const&);
-        template <typename S>
-        static size8_t test_(kleene_star<S> const&);
-        template <typename S>
-        static size9_t test_(positive<S> const&);
-
-        static size10_t test_(...);
-
-        BOOST_STATIC_CONSTANT(bool,
-            is_alternative = (sizeof(size1_t) == sizeof(test_(t()))) );
-        BOOST_STATIC_CONSTANT(bool,
-            is_sequence = (sizeof(size2_t) == sizeof(test_(t()))) );
-        BOOST_STATIC_CONSTANT(bool,
-            is_sequential_or = (sizeof(size3_t) == sizeof(test_(t()))) );
-        BOOST_STATIC_CONSTANT(bool,
-            is_intersection = (sizeof(size4_t) == sizeof(test_(t()))) );
-        BOOST_STATIC_CONSTANT(bool,
-            is_difference = (sizeof(size5_t) == sizeof(test_(t()))) );
-        BOOST_STATIC_CONSTANT(bool,
-            is_exclusive_or = (sizeof(size6_t) == sizeof(test_(t()))) );
-        BOOST_STATIC_CONSTANT(bool,
-            is_optional = (sizeof(size7_t) == sizeof(test_(t()))) );
-        BOOST_STATIC_CONSTANT(bool,
-            is_kleene_star = (sizeof(size8_t) == sizeof(test_(t()))) );
-        BOOST_STATIC_CONSTANT(bool,
-            is_positive = (sizeof(size9_t) == sizeof(test_(t()))) );
-    };
-
-#else
 
     ///////////////////////////////////////////////////////////////////////////
     struct parser_type_traits_base {
@@ -180,7 +106,6 @@ namespace impl
         BOOST_STATIC_CONSTANT(bool, is_positive = true);
     };
 
-#endif // defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)
 }   // namespace impl
 
 ///////////////////////////////////////////////////////////////////////////////