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