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145 lines
3.6 KiB
C++
145 lines
3.6 KiB
C++
#if !defined(BOOST_PP_IS_ITERATING)
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// Copyright David Abrahams 2004. Distributed under the Boost
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// Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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#ifndef OVERRIDE_DWA2004721_HPP
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# define OVERRIDE_DWA2004721_HPP
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# include <boost/python/detail/prefix.hpp>
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# include <boost/python/converter/return_from_python.hpp>
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# include <boost/python/extract.hpp>
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# include <boost/python/handle.hpp>
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# include <boost/preprocessor/iterate.hpp>
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# include <boost/preprocessor/repeat.hpp>
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# include <boost/preprocessor/debug/line.hpp>
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# include <boost/preprocessor/repetition/enum_params.hpp>
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# include <boost/preprocessor/repetition/enum_binary_params.hpp>
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# include <boost/type.hpp>
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namespace boost { namespace python {
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class override;
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namespace detail
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{
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class wrapper_base;
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// The result of calling a method.
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class method_result
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{
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private:
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friend class boost::python::override;
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explicit method_result(PyObject* x)
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: m_obj(x)
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{}
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public:
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template <class T>
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operator T()
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{
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converter::return_from_python<T> converter;
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return converter(m_obj.release());
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}
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# if BOOST_WORKAROUND(_MSC_FULL_VER, BOOST_TESTED_AT(140050215))
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template <class T>
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operator T*()
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{
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converter::return_from_python<T*> converter;
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return converter(m_obj.release());
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}
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# endif
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# if BOOST_WORKAROUND(BOOST_MSVC, BOOST_TESTED_AT(1400)) || BOOST_WORKAROUND(BOOST_INTEL_WIN, >= 900)
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// No operator T&
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# else
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template <class T>
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operator T&() const
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{
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converter::return_from_python<T&> converter;
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return converter(const_cast<handle<>&>(m_obj).release());
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}
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# endif
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template <class T>
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T as(type<T>* = 0)
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{
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converter::return_from_python<T> converter;
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return converter(m_obj.release());
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}
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template <class T>
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T unchecked(type<T>* = 0)
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{
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return extract<T>(m_obj.get())();
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}
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private:
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mutable handle<> m_obj;
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};
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}
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class override : public object
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{
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private:
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friend class detail::wrapper_base;
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override(handle<> x)
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: object(x)
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{}
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public:
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detail::method_result
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operator()() const
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{
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detail::method_result x(
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PyEval_CallFunction(
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this->ptr()
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, const_cast<char*>("()")
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));
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return x;
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}
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# define BOOST_PYTHON_fast_arg_to_python_get(z, n, _) \
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, converter::arg_to_python<A##n>(a##n).get()
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# define BOOST_PP_ITERATION_PARAMS_1 (3, (1, BOOST_PYTHON_MAX_ARITY, <boost/python/override.hpp>))
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# include BOOST_PP_ITERATE()
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# undef BOOST_PYTHON_fast_arg_to_python_get
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};
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}} // namespace boost::python
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#endif // OVERRIDE_DWA2004721_HPP
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#else
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# if !(BOOST_WORKAROUND(__MWERKS__, > 0x3100) \
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&& BOOST_WORKAROUND(__MWERKS__, BOOST_TESTED_AT(0x3201)))
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# line BOOST_PP_LINE(__LINE__, override.hpp)
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# endif
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# define N BOOST_PP_ITERATION()
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template <
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BOOST_PP_ENUM_PARAMS_Z(1, N, class A)
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>
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detail::method_result
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operator()( BOOST_PP_ENUM_BINARY_PARAMS_Z(1, N, A, const& a) ) const
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{
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detail::method_result x(
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PyEval_CallFunction(
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this->ptr()
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, const_cast<char*>("(" BOOST_PP_REPEAT_1ST(N, BOOST_PYTHON_FIXED, "O") ")")
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BOOST_PP_REPEAT_1ST(N, BOOST_PYTHON_fast_arg_to_python_get, nil)
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));
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return x;
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}
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# undef N
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#endif
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