#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 |