#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 CALL_METHOD_DWA2002411_HPP | |
# define CALL_METHOD_DWA2002411_HPP | |
# include <boost/python/detail/prefix.hpp> | |
# include <boost/type.hpp> | |
# include <boost/python/converter/arg_to_python.hpp> | |
# include <boost/python/converter/return_from_python.hpp> | |
# include <boost/python/detail/preprocessor.hpp> | |
# include <boost/python/detail/void_return.hpp> | |
# include <boost/preprocessor/comma_if.hpp> | |
# include <boost/preprocessor/iterate.hpp> | |
# include <boost/preprocessor/repeat.hpp> | |
# include <boost/preprocessor/debug/line.hpp> | |
# include <boost/preprocessor/repetition/enum_trailing_params.hpp> | |
# include <boost/preprocessor/repetition/enum_binary_params.hpp> | |
namespace boost { namespace python { | |
# 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, (0, BOOST_PYTHON_MAX_ARITY, <boost/python/call_method.hpp>)) | |
# include BOOST_PP_ITERATE() | |
# undef BOOST_PYTHON_FAST_ARG_TO_PYTHON_GET | |
}} // namespace boost::python | |
# endif // CALL_METHOD_DWA2002411_HPP | |
// 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 | |
# if !(BOOST_WORKAROUND(__MWERKS__, > 0x3100) \ | |
&& BOOST_WORKAROUND(__MWERKS__, BOOST_TESTED_AT(0x3201))) | |
# line BOOST_PP_LINE(__LINE__, call_method.hpp) | |
# endif | |
# define N BOOST_PP_ITERATION() | |
template < | |
class R | |
BOOST_PP_ENUM_TRAILING_PARAMS_Z(1, N, class A) | |
> | |
typename detail::returnable<R>::type | |
call_method(PyObject* self, char const* name | |
BOOST_PP_COMMA_IF(N) BOOST_PP_ENUM_BINARY_PARAMS_Z(1, N, A, const& a) | |
, boost::type<R>* = 0 | |
) | |
{ | |
PyObject* const result = | |
PyEval_CallMethod( | |
self | |
, const_cast<char*>(name) | |
, 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) | |
); | |
// This conversion *must not* be done in the same expression as | |
// the call, because, in the special case where the result is a | |
// reference a Python object which was created by converting a C++ | |
// argument for passing to PyEval_CallFunction, its reference | |
// count will be 2 until the end of the full expression containing | |
// the conversion, and that interferes with dangling | |
// pointer/reference detection. | |
converter::return_from_python<R> converter; | |
return converter(result); | |
} | |
# undef N | |
#endif // BOOST_PP_ITERATION_DEPTH() | |
#endif // BOOST_PP_IS_ITERATING |