Chris@16: #if !defined(BOOST_PP_IS_ITERATING)
Chris@16: 
Chris@16: // Copyright David Abrahams 2002.
Chris@16: // Distributed under the Boost Software License, Version 1.0. (See
Chris@16: // accompanying file LICENSE_1_0.txt or copy at
Chris@16: // http://www.boost.org/LICENSE_1_0.txt)
Chris@16: 
Chris@16: # ifndef RESULT_DWA2002521_HPP
Chris@16: #  define RESULT_DWA2002521_HPP
Chris@16: 
Chris@16: #  include <boost/type.hpp>
Chris@16: 
Chris@16: #  include <boost/python/detail/preprocessor.hpp>
Chris@16: 
Chris@16: #  include <boost/type_traits/object_traits.hpp>
Chris@16: #  include <boost/mpl/if.hpp>
Chris@16: 
Chris@16: #  include <boost/preprocessor/comma_if.hpp>
Chris@16: #  include <boost/preprocessor/iterate.hpp>
Chris@16: #  include <boost/preprocessor/debug/line.hpp>
Chris@16: #  include <boost/preprocessor/enum_params.hpp>
Chris@16: #  include <boost/preprocessor/repetition/enum_trailing_params.hpp>
Chris@16: 
Chris@16: namespace boost { namespace python { namespace detail {
Chris@16: 
Chris@16: // Defines a family of overloaded function which, given x, a function
Chris@16: // pointer, member [function] pointer, or an AdaptableFunction object,
Chris@16: // returns a pointer to type<R>*, where R is the result type of
Chris@16: // invoking the result of bind(x).
Chris@16: //
Chris@16: // In order to work around bugs in deficient compilers, if x might be
Chris@16: // an AdaptableFunction object, you must pass OL as a second argument
Chris@16: // to get this to work portably.
Chris@16: 
Chris@16: #  define BOOST_PP_ITERATION_PARAMS_1                                                                   \
Chris@16:     (4, (0, BOOST_PYTHON_MAX_ARITY, <boost/python/detail/result.hpp>, BOOST_PYTHON_FUNCTION_POINTER))
Chris@16: #  include BOOST_PP_ITERATE()
Chris@16: 
Chris@16: #  define BOOST_PP_ITERATION_PARAMS_1                                                                     \
Chris@16:     (4, (0, BOOST_PYTHON_CV_COUNT - 1, <boost/python/detail/result.hpp>, BOOST_PYTHON_POINTER_TO_MEMBER))
Chris@16: #  include BOOST_PP_ITERATE()
Chris@16: 
Chris@16: template <class R, class T>
Chris@16: boost::type<R>* result(R (T::*), int = 0) { return 0; }
Chris@16: 
Chris@16: #  if (defined(BOOST_MSVC) && _MSC_FULL_VER <= 13102140)  \
Chris@16:    || (defined(__GNUC__) && __GNUC__ < 3)                 \
Chris@16:    || (defined(__MWERKS__) && __MWERKS__ < 0x3000)
Chris@16: // This code actually works on all implementations, but why use it when we don't have to?
Chris@16: template <class T>
Chris@16: struct get_result_type
Chris@16: {
Chris@16:     typedef boost::type<typename T::result_type> type;
Chris@16: };
Chris@16: 
Chris@16: struct void_type
Chris@16: {
Chris@16:     typedef void type;
Chris@16: };
Chris@16: 
Chris@16: template <class T>
Chris@16: struct result_result
Chris@16: {
Chris@16:     typedef typename mpl::if_c<
Chris@16:         is_class<T>::value
Chris@16:         , get_result_type<T>
Chris@16:         , void_type
Chris@16:         >::type t1;
Chris@16: 
Chris@16:     typedef typename t1::type* type;
Chris@16: };
Chris@16: 
Chris@16: template <class X>
Chris@16: typename result_result<X>::type
Chris@16: result(X const&, short) { return 0; }
Chris@16: 
Chris@16: #  else // Simpler code for more-capable compilers
Chris@16: template <class X>
Chris@16: boost::type<typename X::result_type>*
Chris@16: result(X const&, short = 0) { return 0; }
Chris@16: 
Chris@16: #  endif
Chris@16: 
Chris@16: }}} // namespace boost::python::detail
Chris@16: 
Chris@16: # endif // RESULT_DWA2002521_HPP
Chris@16: 
Chris@16: /* --------------- function pointers --------------- */
Chris@16: // For gcc 4.4 compatability, we must include the
Chris@16: // BOOST_PP_ITERATION_DEPTH test inside an #else clause.
Chris@16: #else // BOOST_PP_IS_ITERATING
Chris@16: #if BOOST_PP_ITERATION_DEPTH() == 1 && BOOST_PP_ITERATION_FLAGS() == BOOST_PYTHON_FUNCTION_POINTER
Chris@16: # if !(BOOST_WORKAROUND(__MWERKS__, > 0x3100)                      \
Chris@16:         && BOOST_WORKAROUND(__MWERKS__, BOOST_TESTED_AT(0x3201)))
Chris@16: #  line BOOST_PP_LINE(__LINE__, result.hpp(function pointers))
Chris@16: # endif
Chris@16: 
Chris@16: # define N BOOST_PP_ITERATION()
Chris@16: 
Chris@16: template <class R BOOST_PP_ENUM_TRAILING_PARAMS_Z(1, N, class A)>
Chris@16: boost::type<R>* result(R (*)(BOOST_PP_ENUM_PARAMS_Z(1, N, A)), int = 0)
Chris@16: {
Chris@16:     return 0;
Chris@16: }
Chris@16: 
Chris@16: # undef N
Chris@16: 
Chris@16: /* --------------- pointers-to-members --------------- */
Chris@16: #elif BOOST_PP_ITERATION_DEPTH() == 1 && BOOST_PP_ITERATION_FLAGS() == BOOST_PYTHON_POINTER_TO_MEMBER
Chris@16: // Outer over cv-qualifiers
Chris@16: 
Chris@16: # define BOOST_PP_ITERATION_PARAMS_2 (3, (0, BOOST_PYTHON_MAX_ARITY, <boost/python/detail/result.hpp>))
Chris@16: # include BOOST_PP_ITERATE()
Chris@16: 
Chris@16: #elif BOOST_PP_ITERATION_DEPTH() == 2
Chris@16: # if !(BOOST_WORKAROUND(__MWERKS__, > 0x3100)                      \
Chris@16:         && BOOST_WORKAROUND(__MWERKS__, BOOST_TESTED_AT(0x3201)))
Chris@16: #  line BOOST_PP_LINE(__LINE__, result.hpp(pointers-to-members))
Chris@16: # endif 
Chris@16: // Inner over arities
Chris@16: 
Chris@16: # define N BOOST_PP_ITERATION()
Chris@16: # define Q BOOST_PYTHON_CV_QUALIFIER(BOOST_PP_RELATIVE_ITERATION(1))
Chris@16: 
Chris@16: template <class R, class T BOOST_PP_ENUM_TRAILING_PARAMS_Z(1, N, class A)>
Chris@16: boost::type<R>* result(R (T::*)(BOOST_PP_ENUM_PARAMS_Z(1, N, A)) Q, int = 0)
Chris@16: {
Chris@16:     return 0;
Chris@16: }
Chris@16: 
Chris@16: # undef N
Chris@16: # undef Q
Chris@16: 
Chris@16: #endif // BOOST_PP_ITERATION_DEPTH()
Chris@16: #endif