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module_init.hpp
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142 lines (118 loc) · 4.03 KB
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// 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 MODULE_INIT_DWA20020722_HPP
# define MODULE_INIT_DWA20020722_HPP
# include <boost/python/detail/prefix.hpp>
# include <boost/preprocessor/cat.hpp>
# include <boost/preprocessor/stringize.hpp>
# ifndef BOOST_PYTHON_MODULE_INIT
namespace boost { namespace python {
#ifdef HAS_CXX11
// Use to activate the Py_MOD_GIL_NOT_USED flag.
class mod_gil_not_used {
public:
explicit mod_gil_not_used(bool flag = true) : flag_(flag) {}
bool flag() const { return flag_; }
private:
bool flag_;
};
namespace detail {
inline bool gil_not_used_option() { return false; }
template <typename F, typename... O>
bool gil_not_used_option(F &&, O &&...o);
template <typename... O>
inline bool gil_not_used_option(mod_gil_not_used f, O &&...o) {
return f.flag() || gil_not_used_option(o...);
}
template <typename F, typename... O>
inline bool gil_not_used_option(F &&, O &&...o) {
return gil_not_used_option(o...);
}
}
#endif // HAS_CXX11
namespace detail {
# if PY_VERSION_HEX >= 0x03000000
BOOST_PYTHON_DECL PyObject* init_module(PyModuleDef&, void(*)(), bool gil_not_used = false);
#else
BOOST_PYTHON_DECL PyObject* init_module(char const* name, void(*)());
#endif
}}}
# if PY_VERSION_HEX >= 0x03000000
# ifdef HAS_CXX11
# define _BOOST_PYTHON_MODULE_INIT(name, ...) \
PyObject* BOOST_PP_CAT(PyInit_, name)() \
{ \
static PyModuleDef_Base initial_m_base = { \
PyObject_HEAD_INIT(NULL) \
0, /* m_init */ \
0, /* m_index */ \
0 /* m_copy */ }; \
static PyMethodDef initial_methods[] = { { 0, 0, 0, 0 } }; \
\
static struct PyModuleDef moduledef = { \
initial_m_base, \
BOOST_PP_STRINGIZE(name), \
0, /* m_doc */ \
-1, /* m_size */ \
initial_methods, \
0, /* m_reload */ \
0, /* m_traverse */ \
0, /* m_clear */ \
0, /* m_free */ \
}; \
\
return boost::python::detail::init_module( \
moduledef, BOOST_PP_CAT(init_module_, name), \
boost::python::detail::gil_not_used_option(__VA_ARGS__) ); \
} \
void BOOST_PP_CAT(init_module_, name)()
# else // !HAS_CXX11
# define _BOOST_PYTHON_MODULE_INIT(name) \
PyObject* BOOST_PP_CAT(PyInit_, name)() \
{ \
static PyModuleDef_Base initial_m_base = { \
PyObject_HEAD_INIT(NULL) \
0, /* m_init */ \
0, /* m_index */ \
0 /* m_copy */ }; \
static PyMethodDef initial_methods[] = { { 0, 0, 0, 0 } }; \
\
static struct PyModuleDef moduledef = { \
initial_m_base, \
BOOST_PP_STRINGIZE(name), \
0, /* m_doc */ \
-1, /* m_size */ \
initial_methods, \
0, /* m_reload */ \
0, /* m_traverse */ \
0, /* m_clear */ \
0, /* m_free */ \
}; \
\
return boost::python::detail::init_module( \
moduledef, BOOST_PP_CAT(init_module_, name) ); \
} \
void BOOST_PP_CAT(init_module_, name)()
# endif // HAS_CXX11
# else
# define _BOOST_PYTHON_MODULE_INIT(name) \
void BOOST_PP_CAT(init,name)() \
{ \
boost::python::detail::init_module( \
BOOST_PP_STRINGIZE(name),&BOOST_PP_CAT(init_module_,name)); \
} \
void BOOST_PP_CAT(init_module_,name)()
# endif
# if defined(HAS_CXX11) && (PY_VERSION_HEX >= 0x03000000)
# define BOOST_PYTHON_MODULE_INIT(name, ...) \
void BOOST_PP_CAT(init_module_,name)(); \
extern "C" BOOST_SYMBOL_EXPORT _BOOST_PYTHON_MODULE_INIT(name, __VA_ARGS__)
# else
# define BOOST_PYTHON_MODULE_INIT(name) \
void BOOST_PP_CAT(init_module_,name)(); \
extern "C" BOOST_SYMBOL_EXPORT _BOOST_PYTHON_MODULE_INIT(name)
# endif // HAS_CXX11 && Python 3
# endif
#endif // MODULE_INIT_DWA20020722_HPP