sl@0: #if !defined(BOOST_PP_IS_ITERATING)
sl@0: 
sl@0: // Copyright David Abrahams 2002.
sl@0: // Distributed under the Boost Software License, Version 1.0. (See
sl@0: // accompanying file LICENSE_1_0.txt or copy at
sl@0: // http://www.boost.org/LICENSE_1_0.txt)
sl@0: 
sl@0: # ifndef RESULT_DWA2002521_HPP
sl@0: #  define RESULT_DWA2002521_HPP
sl@0: 
sl@0: #  include <boost/type.hpp>
sl@0: 
sl@0: #  include <boost/python/detail/preprocessor.hpp>
sl@0: 
sl@0: #  include <boost/type_traits/object_traits.hpp>
sl@0: #  include <boost/mpl/if.hpp>
sl@0: 
sl@0: #  include <boost/preprocessor/comma_if.hpp>
sl@0: #  include <boost/preprocessor/iterate.hpp>
sl@0: #  include <boost/preprocessor/debug/line.hpp>
sl@0: #  include <boost/preprocessor/enum_params.hpp>
sl@0: #  include <boost/preprocessor/repetition/enum_trailing_params.hpp>
sl@0: 
sl@0: namespace boost { namespace python { namespace detail {
sl@0: 
sl@0: // Defines a family of overloaded function which, given x, a function
sl@0: // pointer, member [function] pointer, or an AdaptableFunction object,
sl@0: // returns a pointer to type<R>*, where R is the result type of
sl@0: // invoking the result of bind(x).
sl@0: //
sl@0: // In order to work around bugs in deficient compilers, if x might be
sl@0: // an AdaptableFunction object, you must pass OL as a second argument
sl@0: // to get this to work portably.
sl@0: 
sl@0: #  define BOOST_PP_ITERATION_PARAMS_1                                                                   \
sl@0:     (4, (0, BOOST_PYTHON_MAX_ARITY, <boost/python/detail/result.hpp>, BOOST_PYTHON_FUNCTION_POINTER))
sl@0: #  include BOOST_PP_ITERATE()
sl@0: 
sl@0: #  define BOOST_PP_ITERATION_PARAMS_1                                                                     \
sl@0:     (4, (0, BOOST_PYTHON_CV_COUNT - 1, <boost/python/detail/result.hpp>, BOOST_PYTHON_POINTER_TO_MEMBER))
sl@0: #  include BOOST_PP_ITERATE()
sl@0: 
sl@0: template <class R, class T>
sl@0: boost::type<R>* result(R (T::*), int = 0) { return 0; }
sl@0: 
sl@0: #  if (defined(BOOST_MSVC) && _MSC_FULL_VER <= 13102140)  \
sl@0:    || (defined(__GNUC__) && __GNUC__ < 3)                 \
sl@0:    || (defined(__MWERKS__) && __MWERKS__ < 0x3000)
sl@0: // This code actually works on all implementations, but why use it when we don't have to?
sl@0: template <class T>
sl@0: struct get_result_type
sl@0: {
sl@0:     typedef boost::type<typename T::result_type> type;
sl@0: };
sl@0: 
sl@0: struct void_type
sl@0: {
sl@0:     typedef void type;
sl@0: };
sl@0: 
sl@0: template <class T>
sl@0: struct result_result
sl@0: {
sl@0:     typedef typename mpl::if_c<
sl@0:         is_class<T>::value
sl@0:         , get_result_type<T>
sl@0:         , void_type
sl@0:         >::type t1;
sl@0: 
sl@0:     typedef typename t1::type* type;
sl@0: };
sl@0: 
sl@0: template <class X>
sl@0: typename result_result<X>::type
sl@0: result(X const&, short) { return 0; }
sl@0: 
sl@0: #  else // Simpler code for more-capable compilers
sl@0: template <class X>
sl@0: boost::type<typename X::result_type>*
sl@0: result(X const&, short = 0) { return 0; }
sl@0: 
sl@0: #  endif
sl@0: 
sl@0: }}} // namespace boost::python::detail
sl@0: 
sl@0: # endif // RESULT_DWA2002521_HPP
sl@0: 
sl@0: /* --------------- function pointers --------------- */
sl@0: #elif BOOST_PP_ITERATION_DEPTH() == 1 && BOOST_PP_ITERATION_FLAGS() == BOOST_PYTHON_FUNCTION_POINTER
sl@0: # if !(BOOST_WORKAROUND(__MWERKS__, > 0x3100)                      \
sl@0:         && BOOST_WORKAROUND(__MWERKS__, BOOST_TESTED_AT(0x3201)))
sl@0: #  line BOOST_PP_LINE(__LINE__, result.hpp(function pointers))
sl@0: # endif
sl@0: 
sl@0: # define N BOOST_PP_ITERATION()
sl@0: 
sl@0: template <class R BOOST_PP_ENUM_TRAILING_PARAMS_Z(1, N, class A)>
sl@0: boost::type<R>* result(R (*pf)(BOOST_PP_ENUM_PARAMS_Z(1, N, A)), int = 0)
sl@0: {
sl@0:     return 0;
sl@0: }
sl@0: 
sl@0: # undef N
sl@0: 
sl@0: /* --------------- pointers-to-members --------------- */
sl@0: #elif BOOST_PP_ITERATION_DEPTH() == 1 && BOOST_PP_ITERATION_FLAGS() == BOOST_PYTHON_POINTER_TO_MEMBER
sl@0: // Outer over cv-qualifiers
sl@0: 
sl@0: # define BOOST_PP_ITERATION_PARAMS_2 (3, (0, BOOST_PYTHON_MAX_ARITY, <boost/python/detail/result.hpp>))
sl@0: # include BOOST_PP_ITERATE()
sl@0: 
sl@0: #elif BOOST_PP_ITERATION_DEPTH() == 2
sl@0: # if !(BOOST_WORKAROUND(__MWERKS__, > 0x3100)                      \
sl@0:         && BOOST_WORKAROUND(__MWERKS__, BOOST_TESTED_AT(0x3201)))
sl@0: #  line BOOST_PP_LINE(__LINE__, result.hpp(pointers-to-members))
sl@0: # endif 
sl@0: // Inner over arities
sl@0: 
sl@0: # define N BOOST_PP_ITERATION()
sl@0: # define Q BOOST_PYTHON_CV_QUALIFIER(BOOST_PP_RELATIVE_ITERATION(1))
sl@0: 
sl@0: template <class R, class T BOOST_PP_ENUM_TRAILING_PARAMS_Z(1, N, class A)>
sl@0: boost::type<R>* result(R (T::*pmf)(BOOST_PP_ENUM_PARAMS_Z(1, N, A)) Q, int = 0)
sl@0: {
sl@0:     return 0;
sl@0: }
sl@0: 
sl@0: # undef N
sl@0: # undef Q
sl@0: 
sl@0: #endif