Squashed 'third_party/boostorg/concept_check/' content from commit ed0a0eb
Change-Id: Ib7230965334f9501601efc300242efde8352a380
git-subtree-dir: third_party/boostorg/concept_check
git-subtree-split: ed0a0ebd72f778cfa4931e0538ea34c28db3a42b
diff --git a/include/boost/concept/detail/backward_compatibility.hpp b/include/boost/concept/detail/backward_compatibility.hpp
new file mode 100644
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+++ b/include/boost/concept/detail/backward_compatibility.hpp
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+// Copyright David Abrahams 2009. 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_CONCEPT_BACKWARD_COMPATIBILITY_DWA200968_HPP
+# define BOOST_CONCEPT_BACKWARD_COMPATIBILITY_DWA200968_HPP
+
+namespace boost
+{
+ namespace concepts {}
+
+# if defined(BOOST_HAS_CONCEPTS) && !defined(BOOST_CONCEPT_NO_BACKWARD_KEYWORD)
+ namespace concept = concepts;
+# endif
+} // namespace boost::concept
+
+#endif // BOOST_CONCEPT_BACKWARD_COMPATIBILITY_DWA200968_HPP
diff --git a/include/boost/concept/detail/borland.hpp b/include/boost/concept/detail/borland.hpp
new file mode 100644
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+++ b/include/boost/concept/detail/borland.hpp
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+// Copyright David Abrahams 2006. 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_CONCEPT_DETAIL_BORLAND_DWA2006429_HPP
+# define BOOST_CONCEPT_DETAIL_BORLAND_DWA2006429_HPP
+
+# include <boost/preprocessor/cat.hpp>
+# include <boost/concept/detail/backward_compatibility.hpp>
+
+namespace boost { namespace concepts {
+
+template <class ModelFnPtr>
+struct require;
+
+template <class Model>
+struct require<void(*)(Model)>
+{
+ enum { instantiate = sizeof((((Model*)0)->~Model()), 3) };
+};
+
+# define BOOST_CONCEPT_ASSERT_FN( ModelFnPtr ) \
+ enum \
+ { \
+ BOOST_PP_CAT(boost_concept_check,__LINE__) = \
+ boost::concepts::require<ModelFnPtr>::instantiate \
+ }
+
+}} // namespace boost::concept
+
+#endif // BOOST_CONCEPT_DETAIL_BORLAND_DWA2006429_HPP
diff --git a/include/boost/concept/detail/concept_def.hpp b/include/boost/concept/detail/concept_def.hpp
new file mode 100644
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+++ b/include/boost/concept/detail/concept_def.hpp
@@ -0,0 +1,34 @@
+// Copyright David Abrahams 2006. 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_CONCEPT_DETAIL_CONCEPT_DEF_DWA200651_HPP
+# define BOOST_CONCEPT_DETAIL_CONCEPT_DEF_DWA200651_HPP
+# include <boost/preprocessor/seq/for_each_i.hpp>
+# include <boost/preprocessor/seq/enum.hpp>
+# include <boost/preprocessor/comma_if.hpp>
+# include <boost/preprocessor/cat.hpp>
+#endif // BOOST_CONCEPT_DETAIL_CONCEPT_DEF_DWA200651_HPP
+
+// BOOST_concept(SomeName, (p1)(p2)...(pN))
+//
+// Expands to "template <class p1, class p2, ...class pN> struct SomeName"
+//
+// Also defines an equivalent SomeNameConcept for backward compatibility.
+// Maybe in the next release we can kill off the "Concept" suffix for good.
+# define BOOST_concept(name, params) \
+ template < BOOST_PP_SEQ_FOR_EACH_I(BOOST_CONCEPT_typename,~,params) > \
+ struct name; /* forward declaration */ \
+ \
+ template < BOOST_PP_SEQ_FOR_EACH_I(BOOST_CONCEPT_typename,~,params) > \
+ struct BOOST_PP_CAT(name,Concept) \
+ : name< BOOST_PP_SEQ_ENUM(params) > \
+ { \
+ }; \
+ \
+ template < BOOST_PP_SEQ_FOR_EACH_I(BOOST_CONCEPT_typename,~,params) > \
+ struct name
+
+// Helper for BOOST_concept, above.
+# define BOOST_CONCEPT_typename(r, ignored, index, t) \
+ BOOST_PP_COMMA_IF(index) typename t
+
diff --git a/include/boost/concept/detail/concept_undef.hpp b/include/boost/concept/detail/concept_undef.hpp
new file mode 100644
index 0000000..713db89
--- /dev/null
+++ b/include/boost/concept/detail/concept_undef.hpp
@@ -0,0 +1,5 @@
+// Copyright David Abrahams 2006. 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)
+# undef BOOST_concept_typename
+# undef BOOST_concept
diff --git a/include/boost/concept/detail/general.hpp b/include/boost/concept/detail/general.hpp
new file mode 100644
index 0000000..525ea65
--- /dev/null
+++ b/include/boost/concept/detail/general.hpp
@@ -0,0 +1,77 @@
+// Copyright David Abrahams 2006. 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_CONCEPT_DETAIL_GENERAL_DWA2006429_HPP
+# define BOOST_CONCEPT_DETAIL_GENERAL_DWA2006429_HPP
+
+# include <boost/config.hpp>
+# include <boost/preprocessor/cat.hpp>
+# include <boost/concept/detail/backward_compatibility.hpp>
+
+# ifdef BOOST_OLD_CONCEPT_SUPPORT
+# include <boost/concept/detail/has_constraints.hpp>
+# include <boost/mpl/if.hpp>
+# endif
+
+// This implementation works on Comeau and GCC, all the way back to
+// 2.95
+namespace boost { namespace concepts {
+
+template <class ModelFn>
+struct requirement_;
+
+namespace detail
+{
+ template <void(*)()> struct instantiate {};
+}
+
+template <class Model>
+struct requirement
+{
+ static void failed() { ((Model*)0)->~Model(); }
+};
+
+struct failed {};
+
+template <class Model>
+struct requirement<failed ************ Model::************>
+{
+ static void failed() { ((Model*)0)->~Model(); }
+};
+
+# ifdef BOOST_OLD_CONCEPT_SUPPORT
+
+template <class Model>
+struct constraint
+{
+ static void failed() { ((Model*)0)->constraints(); }
+};
+
+template <class Model>
+struct requirement_<void(*)(Model)>
+ : mpl::if_<
+ concepts::not_satisfied<Model>
+ , constraint<Model>
+ , requirement<failed ************ Model::************>
+ >::type
+{};
+
+# else
+
+// For GCC-2.x, these can't have exactly the same name
+template <class Model>
+struct requirement_<void(*)(Model)>
+ : requirement<failed ************ Model::************>
+{};
+
+# endif
+
+# define BOOST_CONCEPT_ASSERT_FN( ModelFnPtr ) \
+ typedef ::boost::concepts::detail::instantiate< \
+ &::boost::concepts::requirement_<ModelFnPtr>::failed> \
+ BOOST_PP_CAT(boost_concept_check,__LINE__) \
+ BOOST_ATTRIBUTE_UNUSED
+
+}}
+
+#endif // BOOST_CONCEPT_DETAIL_GENERAL_DWA2006429_HPP
diff --git a/include/boost/concept/detail/has_constraints.hpp b/include/boost/concept/detail/has_constraints.hpp
new file mode 100644
index 0000000..a309db3
--- /dev/null
+++ b/include/boost/concept/detail/has_constraints.hpp
@@ -0,0 +1,50 @@
+// Copyright David Abrahams 2006. 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_CONCEPT_DETAIL_HAS_CONSTRAINTS_DWA2006429_HPP
+# define BOOST_CONCEPT_DETAIL_HAS_CONSTRAINTS_DWA2006429_HPP
+
+# include <boost/mpl/bool.hpp>
+# include <boost/detail/workaround.hpp>
+# include <boost/concept/detail/backward_compatibility.hpp>
+
+namespace boost { namespace concepts {
+
+namespace detail
+{
+
+// Here we implement the metafunction that detects whether a
+// constraints metafunction exists
+ typedef char yes;
+ typedef char (&no)[2];
+
+ template <class Model, void (Model::*)()>
+ struct wrap_constraints {};
+
+#if BOOST_WORKAROUND(__SUNPRO_CC, <= 0x580) || defined(__CUDACC__)
+ // Work around the following bogus error in Sun Studio 11, by
+ // turning off the has_constraints function entirely:
+ // Error: complex expression not allowed in dependent template
+ // argument expression
+ inline no has_constraints_(...);
+#else
+ template <class Model>
+ inline yes has_constraints_(Model*, wrap_constraints<Model,&Model::constraints>* = 0);
+ inline no has_constraints_(...);
+#endif
+}
+
+// This would be called "detail::has_constraints," but it has a strong
+// tendency to show up in error messages.
+template <class Model>
+struct not_satisfied
+{
+ BOOST_STATIC_CONSTANT(
+ bool
+ , value = sizeof( detail::has_constraints_((Model*)0) ) == sizeof(detail::yes) );
+ typedef mpl::bool_<value> type;
+};
+
+}} // namespace boost::concepts::detail
+
+#endif // BOOST_CONCEPT_DETAIL_HAS_CONSTRAINTS_DWA2006429_HPP
diff --git a/include/boost/concept/detail/msvc.hpp b/include/boost/concept/detail/msvc.hpp
new file mode 100644
index 0000000..078dd22
--- /dev/null
+++ b/include/boost/concept/detail/msvc.hpp
@@ -0,0 +1,123 @@
+// Copyright David Abrahams 2006. 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_CONCEPT_CHECK_MSVC_DWA2006429_HPP
+# define BOOST_CONCEPT_CHECK_MSVC_DWA2006429_HPP
+
+# include <boost/preprocessor/cat.hpp>
+# include <boost/concept/detail/backward_compatibility.hpp>
+# include <boost/config.hpp>
+
+# ifdef BOOST_OLD_CONCEPT_SUPPORT
+# include <boost/concept/detail/has_constraints.hpp>
+# include <boost/mpl/if.hpp>
+# endif
+
+# ifdef BOOST_MSVC
+# pragma warning(push)
+# pragma warning(disable:4100)
+# endif
+
+namespace boost { namespace concepts {
+
+
+template <class Model>
+struct check
+{
+ virtual void failed(Model* x)
+ {
+ x->~Model();
+ }
+};
+
+# ifndef BOOST_NO_PARTIAL_SPECIALIZATION
+struct failed {};
+template <class Model>
+struct check<failed ************ Model::************>
+{
+ virtual void failed(Model* x)
+ {
+ x->~Model();
+ }
+};
+# endif
+
+# ifdef BOOST_OLD_CONCEPT_SUPPORT
+
+namespace detail
+{
+ // No need for a virtual function here, since evaluating
+ // not_satisfied below will have already instantiated the
+ // constraints() member.
+ struct constraint {};
+}
+
+template <class Model>
+struct require
+ : mpl::if_c<
+ not_satisfied<Model>::value
+ , detail::constraint
+# ifndef BOOST_NO_PARTIAL_SPECIALIZATION
+ , check<Model>
+# else
+ , check<failed ************ Model::************>
+# endif
+ >::type
+{};
+
+# else
+
+template <class Model>
+struct require
+# ifndef BOOST_NO_PARTIAL_SPECIALIZATION
+ : check<Model>
+# else
+ : check<failed ************ Model::************>
+# endif
+{};
+
+# endif
+
+# if BOOST_WORKAROUND(BOOST_MSVC, == 1310)
+
+//
+// The iterator library sees some really strange errors unless we
+// do things this way.
+//
+template <class Model>
+struct require<void(*)(Model)>
+{
+ virtual void failed(Model*)
+ {
+ require<Model>();
+ }
+};
+
+# define BOOST_CONCEPT_ASSERT_FN( ModelFnPtr ) \
+enum \
+{ \
+ BOOST_PP_CAT(boost_concept_check,__LINE__) = \
+ sizeof(::boost::concepts::require<ModelFnPtr>) \
+}
+
+# else // Not vc-7.1
+
+template <class Model>
+require<Model>
+require_(void(*)(Model));
+
+# define BOOST_CONCEPT_ASSERT_FN( ModelFnPtr ) \
+enum \
+{ \
+ BOOST_PP_CAT(boost_concept_check,__LINE__) = \
+ sizeof(::boost::concepts::require_((ModelFnPtr)0)) \
+}
+
+# endif
+}}
+
+# ifdef BOOST_MSVC
+# pragma warning(pop)
+# endif
+
+#endif // BOOST_CONCEPT_CHECK_MSVC_DWA2006429_HPP