Added boost header

test/external/boost/python/override.hpp

@@ -0,0 +1,144 @@
+#if !defined(BOOST_PP_IS_ITERATING)
+
+// Copyright David Abrahams 2004. 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 OVERRIDE_DWA2004721_HPP
+# define OVERRIDE_DWA2004721_HPP
+
+# include <boost/python/detail/prefix.hpp>
+
+# include <boost/python/converter/return_from_python.hpp>
+
+# include <boost/python/extract.hpp>
+# include <boost/python/handle.hpp>
+
+#  include <boost/preprocessor/iterate.hpp>
+#  include <boost/preprocessor/repeat.hpp>
+#  include <boost/preprocessor/debug/line.hpp>
+#  include <boost/preprocessor/repetition/enum_params.hpp>
+#  include <boost/preprocessor/repetition/enum_binary_params.hpp>
+
+#  include <boost/type.hpp>
+
+namespace boost { namespace python {
+
+class override;
+
+namespace detail
+{
+  class wrapper_base;
+  
+  // The result of calling a method.
+  class method_result
+  {
+   private:
+      friend class boost::python::override;
+      explicit method_result(PyObject* x)
+        : m_obj(x)
+      {}
+
+   public:
+      template <class T>
+      operator T()
+      {
+          converter::return_from_python<T> converter;
+          return converter(m_obj.release());
+      }
+
+#  if BOOST_WORKAROUND(_MSC_FULL_VER, BOOST_TESTED_AT(140050215))
+      template <class T>
+      operator T*()
+      {
+          converter::return_from_python<T*> converter;
+          return converter(m_obj.release());
+      }
+#  endif 
+      
+#  if BOOST_WORKAROUND(BOOST_MSVC, BOOST_TESTED_AT(1400)) || BOOST_WORKAROUND(BOOST_INTEL_WIN, >= 900)
+      // No operator T&
+#  else
+      
+      template <class T>
+      operator T&() const
+      {
+          converter::return_from_python<T&> converter;
+          return converter(const_cast<handle<>&>(m_obj).release());
+      }
+#  endif 
+
+      template <class T>
+      T as(type<T>* = 0)
+      {
+          converter::return_from_python<T> converter;
+          return converter(m_obj.release());
+      }
+
+      template <class T>
+      T unchecked(type<T>* = 0)
+      {
+          return extract<T>(m_obj.get())();
+      }
+   private:
+      mutable handle<> m_obj;
+  };
+}
+
+class override : public object
+{
+ private:
+    friend class detail::wrapper_base;
+    override(handle<> x)
+      : object(x)
+    {}
+    
+ public:
+    detail::method_result
+    operator()() const
+    {
+        detail::method_result x(
+            PyEval_CallFunction(
+                this->ptr()
+              , const_cast<char*>("()")
+            ));
+        return x;
+    }
+
+# define BOOST_PYTHON_fast_arg_to_python_get(z, n, _)   \
+    , converter::arg_to_python<A##n>(a##n).get()
+
+# define BOOST_PP_ITERATION_PARAMS_1 (3, (1, BOOST_PYTHON_MAX_ARITY, <boost/python/override.hpp>))
+# include BOOST_PP_ITERATE()
+
+# undef BOOST_PYTHON_fast_arg_to_python_get
+};
+
+}} // namespace boost::python
+
+#endif // OVERRIDE_DWA2004721_HPP
+
+#else
+# if !(BOOST_WORKAROUND(__MWERKS__, > 0x3100)                      \
+        && BOOST_WORKAROUND(__MWERKS__, BOOST_TESTED_AT(0x3201)))
+#  line BOOST_PP_LINE(__LINE__, override.hpp)
+# endif 
+
+# define N BOOST_PP_ITERATION()
+
+template <
+    BOOST_PP_ENUM_PARAMS_Z(1, N, class A)
+    >
+detail::method_result
+operator()( BOOST_PP_ENUM_BINARY_PARAMS_Z(1, N, A, const& a) ) const
+{
+    detail::method_result x(
+        PyEval_CallFunction(
+            this->ptr()
+          , const_cast<char*>("(" BOOST_PP_REPEAT_1ST(N, BOOST_PYTHON_FIXED, "O") ")")
+            BOOST_PP_REPEAT_1ST(N, BOOST_PYTHON_fast_arg_to_python_get, nil)
+        ));
+    return x;
+}
+
+# undef N
+#endif