diff DEPENDENCIES/generic/include/boost/python/data_members.hpp @ 16:2665513ce2d3

Add boost headers

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/DEPENDENCIES/generic/include/boost/python/data_members.hpp	Tue Aug 05 11:11:38 2014 +0100
@@ -0,0 +1,318 @@
+// Copyright David Abrahams 2002.
+// 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 DATA_MEMBERS_DWA2002328_HPP
+# define DATA_MEMBERS_DWA2002328_HPP
+
+# include <boost/python/detail/prefix.hpp>
+
+# include <boost/python/handle.hpp>
+
+# include <boost/python/return_value_policy.hpp>
+# include <boost/python/return_by_value.hpp>
+# include <boost/python/return_internal_reference.hpp>
+# include <boost/python/make_function.hpp>
+
+# include <boost/python/converter/builtin_converters.hpp>
+
+# include <boost/python/detail/indirect_traits.hpp>
+# include <boost/python/detail/not_specified.hpp>
+# include <boost/python/detail/value_arg.hpp>
+
+# include <boost/type_traits/add_const.hpp>
+# include <boost/type_traits/add_reference.hpp>
+# include <boost/type_traits/is_member_pointer.hpp>
+
+# if BOOST_WORKAROUND(__MWERKS__, BOOST_TESTED_AT(0x3003))
+#  include <boost/type_traits/remove_cv.hpp>
+# endif 
+
+# include <boost/mpl/eval_if.hpp>
+# include <boost/mpl/if.hpp>
+# include <boost/mpl/vector/vector10.hpp>
+
+# include <boost/detail/workaround.hpp>
+
+namespace boost { namespace python { 
+
+//
+// This file defines the make_getter and make_setter function
+// families, which are responsible for turning pointers, references,
+// and pointers-to-data-members into callable Python objects which
+// can be used for attribute access on wrapped classes.
+//
+
+namespace detail
+{
+
+  // A small function object which handles the getting and setting of
+  // data members.
+  template <class Data, class Class>
+  struct member
+  {
+   public:      
+      member(Data Class::*which) : m_which(which) {}
+      
+      Data& operator()(Class& c) const
+      {
+          return c.*m_which;
+      }
+
+      void operator()(Class& c, typename value_arg<Data>::type d) const
+      {
+          c.*m_which = d;
+      }
+   private:
+      Data Class::*m_which;
+  };
+
+  // A small function object which handles the getting and setting of
+  // non-member objects.
+  template <class Data>
+  struct datum
+  {
+   public:      
+      datum(Data *which) : m_which(which) {}
+      
+      Data& operator()() const
+      {
+          return *m_which;
+      }
+
+      void operator()(typename value_arg<Data>::type d) const
+      {
+          *m_which = d;
+      }
+   private:
+      Data *m_which;
+  };
+  
+  //
+  // Helper metafunction for determining the default CallPolicy to use
+  // for attribute access.  If T is a [reference to a] class type X
+  // whose conversion to python would normally produce a new copy of X
+  // in a wrapped X class instance (as opposed to types such as
+  // std::string, which are converted to native Python types, and
+  // smart pointer types which produce a wrapped class instance of the
+  // pointee type), to-python conversions will attempt to produce an
+  // object which refers to the original C++ object, rather than a
+  // copy.  See default_member_getter_policy for rationale.
+  // 
+  template <class T>
+  struct default_getter_by_ref
+      : mpl::and_<
+          mpl::bool_<
+              to_python_value<
+                  typename value_arg<T>::type
+              >::uses_registry
+          >
+        , indirect_traits::is_reference_to_class<
+              typename value_arg<T>::type
+          >
+       >
+  {
+  };
+
+  // Metafunction computing the default CallPolicy to use for reading
+  // data members
+  //
+  // If it's a regular class type (not an object manager or other
+  // type for which we have to_python specializations, use
+  // return_internal_reference so that we can do things like
+  //    x.y.z =  1
+  // and get the right result.
+  template <class T>
+  struct default_member_getter_policy
+    : mpl::if_<
+          default_getter_by_ref<T>
+        , return_internal_reference<>
+        , return_value_policy<return_by_value>
+      >
+  {};
+
+  // Metafunction computing the default CallPolicy to use for reading
+  // non-member data.
+  template <class T>
+  struct default_datum_getter_policy
+    : mpl::if_<
+          default_getter_by_ref<T>
+        , return_value_policy<reference_existing_object>
+        , return_value_policy<return_by_value>
+      >
+  {};
+
+  //
+  // make_getter helper function family -- These helpers to
+  // boost::python::make_getter are used to dispatch behavior.  The
+  // third argument is a workaround for a CWPro8 partial ordering bug
+  // with pointers to data members.  It should be convertible to
+  // mpl::true_ iff the first argument is a pointer-to-member, and
+  // mpl::false_ otherwise.  The fourth argument is for compilers
+  // which don't support partial ordering at all and should always be
+  // passed 0L.
+  //
+
+#if BOOST_WORKAROUND(__EDG_VERSION__, <= 238)
+  template <class D, class P>
+  inline object make_getter(D& d, P& p, mpl::false_, ...);
+#endif
+
+  // Handle non-member pointers with policies
+  template <class D, class Policies>
+  inline object make_getter(D* d, Policies const& policies, mpl::false_, int)
+  {
+      return python::make_function(
+          detail::datum<D>(d), policies, mpl::vector1<D&>()
+      );
+  }
+  
+  // Handle non-member pointers without policies
+  template <class D>
+  inline object make_getter(D* d, not_specified, mpl::false_, long)
+  {
+      typedef typename default_datum_getter_policy<D>::type policies;
+      return detail::make_getter(d, policies(), mpl::false_(), 0);
+  }
+
+  // Handle pointers-to-members with policies
+  template <class C, class D, class Policies>
+  inline object make_getter(D C::*pm, Policies const& policies, mpl::true_, int)
+  {
+#if BOOST_WORKAROUND(__MWERKS__, BOOST_TESTED_AT(0x3003))
+      typedef typename remove_cv<C>::type Class;
+#else
+      typedef C Class;
+#endif 
+      return python::make_function(
+          detail::member<D,Class>(pm)
+        , policies
+        , mpl::vector2<D&,Class&>()
+      );
+  }
+      
+  // Handle pointers-to-members without policies
+  template <class C, class D>
+  inline object make_getter(D C::*pm, not_specified, mpl::true_, long)
+  {
+      typedef typename default_member_getter_policy<D>::type policies;
+      return detail::make_getter(pm, policies(), mpl::true_(), 0);
+  }
+
+  // Handle references
+  template <class D, class P>
+  inline object make_getter(D& d, P& p, mpl::false_, ...)
+  {
+      // Just dispatch to the handler for pointer types.
+      return detail::make_getter(&d, p, mpl::false_(), 0L);
+  }
+
+  //
+  // make_setter helper function family -- These helpers to
+  // boost::python::make_setter are used to dispatch behavior.  The
+  // third argument is for compilers which don't support partial
+  // ordering at all and should always be passed 0.
+  //
+
+  
+  // Handle non-member pointers
+  template <class D, class Policies>
+  inline object make_setter(D* p, Policies const& policies, mpl::false_, int)
+  {
+      return python::make_function(
+          detail::datum<D>(p), policies, mpl::vector2<void,D const&>()
+      );
+  }
+
+  // Handle pointers-to-members
+  template <class C, class D, class Policies>
+  inline object make_setter(D C::*pm, Policies const& policies, mpl::true_, int)
+  {
+      return python::make_function(
+          detail::member<D,C>(pm)
+        , policies
+        , mpl::vector3<void, C&, D const&>()
+      );
+  }
+
+  // Handle references
+  template <class D, class Policies>
+  inline object make_setter(D& x, Policies const& policies, mpl::false_, ...)
+  {
+      return detail::make_setter(&x, policies, mpl::false_(), 0L);
+  }
+}
+
+//
+// make_getter function family -- build a callable object which
+// retrieves data through the first argument and is appropriate for
+// use as the `get' function in Python properties .  The second,
+// policies argument, is optional.  We need both D& and D const&
+// overloads in order be able to handle rvalues.
+//
+template <class D, class Policies>
+inline object make_getter(D& d, Policies const& policies)
+{
+    return detail::make_getter(d, policies, is_member_pointer<D>(), 0L);
+}
+
+template <class D, class Policies>
+inline object make_getter(D const& d, Policies const& policies)
+{
+    return detail::make_getter(d, policies, is_member_pointer<D>(), 0L);
+}
+
+template <class D>
+inline object make_getter(D& x)
+{
+    detail::not_specified policy
+        = detail::not_specified(); // suppress a SunPro warning
+    return detail::make_getter(x, policy, is_member_pointer<D>(), 0L);
+}
+
+#  if !BOOST_WORKAROUND(__EDG_VERSION__, <= 238) && !BOOST_WORKAROUND(BOOST_MSVC, <= 1300)
+template <class D>
+inline object make_getter(D const& d)
+{
+    detail::not_specified policy
+        = detail::not_specified(); // Suppress a SunPro warning
+    return detail::make_getter(d, policy, is_member_pointer<D>(), 0L);
+}
+#  endif
+
+//
+// make_setter function family -- build a callable object which
+// writes data through the first argument and is appropriate for
+// use as the `set' function in Python properties .  The second,
+// policies argument, is optional.  We need both D& and D const&
+// overloads in order be able to handle rvalues.
+//
+template <class D, class Policies>
+inline object make_setter(D& x, Policies const& policies)
+{
+    return detail::make_setter(x, policies, is_member_pointer<D>(), 0);
+}
+
+template <class D, class Policies>
+inline object make_setter(D const& x, Policies const& policies)
+{
+    return detail::make_setter(x, policies, is_member_pointer<D>(), 0);
+}
+
+template <class D>
+inline object make_setter(D& x)
+{
+    return detail::make_setter(x, default_call_policies(), is_member_pointer<D>(), 0);
+}
+
+# if !(BOOST_WORKAROUND(BOOST_MSVC, <= 1300) || BOOST_WORKAROUND(__EDG_VERSION__, <= 238))
+template <class D>
+inline object make_setter(D const& x)
+{
+    return detail::make_setter(x, default_call_policies(), is_member_pointer<D>(), 0);
+}
+# endif
+
+}} // namespace boost::python
+
+#endif // DATA_MEMBERS_DWA2002328_HPP