FM / detail

/usr/include/boost/python/detail

Name	Size	Mode	Actions
aix_init_module.hpp	740	0644	edit dl rm
api_placeholder.hpp	504	0644	edit dl rm
borrowed_ptr.hpp	1697	0644	edit dl rm
caller.hpp	8590	0644	edit dl rm
config.hpp	4457	0644	edit dl rm
construct.hpp	975	0644	edit dl rm
convertible.hpp	1230	0644	edit dl rm
copy_ctor_mutates_rhs.hpp	580	0644	edit dl rm
cv_category.hpp	1038	0644	edit dl rm
dealloc.hpp	543	0644	edit dl rm
decorated_type_id.hpp	2451	0644	edit dl rm
decref_guard.hpp	572	0644	edit dl rm
defaults_def.hpp	9166	0644	edit dl rm
defaults_gen.hpp	20065	0644	edit dl rm
def_helper.hpp	6531	0644	edit dl rm
def_helper_fwd.hpp	575	0644	edit dl rm
dependent.hpp	949	0644	edit dl rm
destroy.hpp	1491	0644	edit dl rm
enable_if.hpp	927	0644	edit dl rm
exception_handler.hpp	1264	0644	edit dl rm
force_instantiate.hpp	576	0644	edit dl rm
if_else.hpp	1393	0644	edit dl rm
indirect_traits.hpp	490	0644	edit dl rm
invoke.hpp	3672	0644	edit dl rm
is_auto_ptr.hpp	663	0644	edit dl rm
is_shared_ptr.hpp	683	0644	edit dl rm
is_wrapper.hpp	839	0644	edit dl rm
is_xxx.hpp	444	0644	edit dl rm
make_keyword_range_fn.hpp	2541	0644	edit dl rm
make_tuple.hpp	1039	0644	edit dl rm
map_entry.hpp	1025	0644	edit dl rm
mpl_lambda.hpp	448	0644	edit dl rm
msvc_typeinfo.hpp	2217	0644	edit dl rm
none.hpp	597	0644	edit dl rm
not_specified.hpp	431	0644	edit dl rm
nullary_function_adaptor.hpp	1768	0644	edit dl rm
operator_id.hpp	1064	0644	edit dl rm
overloads_fwd.hpp	609	0644	edit dl rm
pointee.hpp	791	0644	edit dl rm
prefix.hpp	623	0644	edit dl rm
preprocessor.hpp	2359	0644	edit dl rm
python_type.hpp	936	0644	edit dl rm
raw_pyobject.hpp	1100	0644	edit dl rm
referent_storage.hpp	1980	0644	edit dl rm
result.hpp	4207	0644	edit dl rm
scope.hpp	519	0644	edit dl rm
sfinae.hpp	421	0644	edit dl rm
signature.hpp	3136	0644	edit dl rm
string_literal.hpp	1268	0644	edit dl rm
target.hpp	2972	0644	edit dl rm
translate_exception.hpp	2195	0644	edit dl rm
type_list.hpp	1262	0644	edit dl rm
type_list_impl.hpp	1826	0644	edit dl rm
type_traits.hpp	3330	0644	edit dl rm
unwind_type.hpp	4885	0644	edit dl rm
unwrap_type_id.hpp	706	0644	edit dl rm
unwrap_wrapper.hpp	884	0644	edit dl rm
value_arg.hpp	727	0644	edit dl rm
value_is_shared_ptr.hpp	810	0644	edit dl rm
value_is_xxx.hpp	1554	0644	edit dl rm
void_ptr.hpp	982	0644	edit dl rm
void_return.hpp	980	0644	edit dl rm
wrapper_base.hpp	2072	0644	edit dl rm
wrap_python.hpp	6540	0644	edit dl rm

Edit: /usr/include/boost/python/detail/caller.hpp (8590B)

#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 CALLER_DWA20021121_HPP
#  define CALLER_DWA20021121_HPP

#  include <boost/python/type_id.hpp>
#  include <boost/python/handle.hpp>

#  include <boost/detail/indirect_traits.hpp>

#  include <boost/python/detail/invoke.hpp>
#  include <boost/python/detail/signature.hpp>
#  include <boost/python/detail/preprocessor.hpp>
#  include <boost/python/detail/type_traits.hpp>

#  include <boost/python/arg_from_python.hpp>
#  include <boost/python/converter/context_result_converter.hpp>
#  include <boost/python/converter/builtin_converters.hpp>

#  include <boost/preprocessor/iterate.hpp>
#  include <boost/preprocessor/cat.hpp>
#  include <boost/preprocessor/dec.hpp>
#  include <boost/preprocessor/if.hpp>
#  include <boost/preprocessor/iteration/local.hpp>
#  include <boost/preprocessor/repetition/enum_trailing_params.hpp>
#  include <boost/preprocessor/repetition/repeat.hpp>

#  include <boost/compressed_pair.hpp>

#  include <boost/mpl/apply.hpp>
#  include <boost/mpl/eval_if.hpp>
#  include <boost/mpl/identity.hpp>
#  include <boost/mpl/size.hpp>
#  include <boost/mpl/at.hpp>
#  include <boost/mpl/int.hpp>
#  include <boost/mpl/next.hpp>

namespace boost { namespace python { namespace detail {

template <int N>
inline PyObject* get(mpl::int_<N>, PyObject* const& args_)
{
    return PyTuple_GET_ITEM(args_,N);
}

inline Py_ssize_t arity(PyObject* const& args_)
{
    return PyTuple_GET_SIZE(args_);
}

// This "result converter" is really just used as
// a dispatch tag to invoke(...), selecting the appropriate
// implementation
typedef int void_result_to_python;

// Given a model of CallPolicies and a C++ result type, this
// metafunction selects the appropriate converter to use for
// converting the result to python.
template <class Policies, class Result>
struct select_result_converter
  : mpl::eval_if<
        is_same<Result,void>
      , mpl::identity<void_result_to_python>
      , mpl::apply1<typename Policies::result_converter,Result>
    >
{
};

template <class ArgPackage, class ResultConverter>
inline ResultConverter create_result_converter(
    ArgPackage const& args_
  , ResultConverter*
  , converter::context_result_converter*
)
{
    return ResultConverter(args_);
}
    
template <class ArgPackage, class ResultConverter>
inline ResultConverter create_result_converter(
    ArgPackage const&
  , ResultConverter*
  , ...
)
{
    return ResultConverter();
}

#ifndef BOOST_PYTHON_NO_PY_SIGNATURES
template <class ResultConverter>
struct converter_target_type 
{
    static PyTypeObject const *get_pytype()
    {
        return create_result_converter((PyObject*)0, (ResultConverter *)0, (ResultConverter *)0).get_pytype();
    }
};

template < >
struct converter_target_type <void_result_to_python >
{
    static PyTypeObject const *get_pytype()
    {
        return 0;
    }
};

// Generation of ret moved from caller_arity<N>::impl::signature to here due to "feature" in MSVC 15.7.2 with /O2
// which left the ret uninitialized and caused segfaults in Python interpreter.
template<class Policies, class Sig> const signature_element* get_ret()
{
    typedef BOOST_DEDUCED_TYPENAME Policies::template extract_return_type<Sig>::type rtype;
    typedef typename select_result_converter<Policies, rtype>::type result_converter;

static const signature_element ret = {
        (is_void<rtype>::value ? "void" : type_id<rtype>().name())
        , &detail::converter_target_type<result_converter>::get_pytype
        , boost::detail::indirect_traits::is_reference_to_non_const<rtype>::value 
    };

return &ret;
};

#endif

template <unsigned> struct caller_arity;

template <class F, class CallPolicies, class Sig>
struct caller;

#  define BOOST_PYTHON_NEXT(init,name,n)                                                        \
    typedef BOOST_PP_IF(n,typename mpl::next< BOOST_PP_CAT(name,BOOST_PP_DEC(n)) >::type, init) name##n;

#  define BOOST_PYTHON_ARG_CONVERTER(n)                                         \
     BOOST_PYTHON_NEXT(typename mpl::next<first>::type, arg_iter,n)             \
     typedef arg_from_python<BOOST_DEDUCED_TYPENAME arg_iter##n::type> c_t##n;  \
     c_t##n c##n(get(mpl::int_<n>(), inner_args));                              \
     if (!c##n.convertible())                                                   \
          return 0;

#  define BOOST_PP_ITERATION_PARAMS_1                                            \
        (3, (0, BOOST_PYTHON_MAX_ARITY + 1, <boost/python/detail/caller.hpp>))
#  include BOOST_PP_ITERATE()

#  undef BOOST_PYTHON_ARG_CONVERTER
#  undef BOOST_PYTHON_NEXT

// A metafunction returning the base class used for caller<class F,
// class ConverterGenerators, class CallPolicies, class Sig>.
template <class F, class CallPolicies, class Sig>
struct caller_base_select
{
    enum { arity = mpl::size<Sig>::value - 1 };
    typedef typename caller_arity<arity>::template impl<F,CallPolicies,Sig> type;
};

// A function object type which wraps C++ objects as Python callable
// objects.
//
// Template Arguments:
//
//   F -
//      the C++ `function object' that will be called. Might
//      actually be any data for which an appropriate invoke_tag() can
//      be generated. invoke(...) takes care of the actual invocation syntax.
//
//   CallPolicies -
//      The precall, postcall, and what kind of resultconverter to
//      generate for mpl::front<Sig>::type
//
//   Sig -
//      The `intended signature' of the function. An MPL sequence
//      beginning with a result type and continuing with a list of
//      argument types.
template <class F, class CallPolicies, class Sig>
struct caller
    : caller_base_select<F,CallPolicies,Sig>::type
{
    typedef typename caller_base_select<
        F,CallPolicies,Sig
        >::type base;

typedef PyObject* result_type;
    
    caller(F f, CallPolicies p) : base(f,p) {}

};

}}} // namespace boost::python::detail

# endif // CALLER_DWA20021121_HPP

#else

# define N BOOST_PP_ITERATION()

template <>
struct caller_arity<N>
{
    template <class F, class Policies, class Sig>
    struct impl
    {
        impl(F f, Policies p) : m_data(f,p) {}

PyObject* operator()(PyObject* args_, PyObject*) // eliminate
                                                         // this
                                                         // trailing
                                                         // keyword dict
        {
            typedef typename mpl::begin<Sig>::type first;
            typedef typename first::type result_t;
            typedef typename select_result_converter<Policies, result_t>::type result_converter;
            typedef typename Policies::argument_package argument_package;
            
            argument_package inner_args(args_);

# if N
#  define BOOST_PP_LOCAL_MACRO(i) BOOST_PYTHON_ARG_CONVERTER(i)
#  define BOOST_PP_LOCAL_LIMITS (0, N-1)
#  include BOOST_PP_LOCAL_ITERATE()
# endif 
            // all converters have been checked. Now we can do the
            // precall part of the policy
            if (!m_data.second().precall(inner_args))
                return 0;

PyObject* result = detail::invoke(
                detail::invoke_tag<result_t,F>()
              , create_result_converter(args_, (result_converter*)0, (result_converter*)0)
              , m_data.first()
                BOOST_PP_ENUM_TRAILING_PARAMS(N, c)
            );
            
            return m_data.second().postcall(inner_args, result);
        }

static unsigned min_arity() { return N; }
        
        static py_func_sig_info  signature()
        {
            const signature_element * sig = detail::signature<Sig>::elements();
#ifndef BOOST_PYTHON_NO_PY_SIGNATURES
            // MSVC 15.7.2, when compiling to /O2 left the static const signature_element ret, 
            // originally defined here, uninitialized. This in turn led to SegFault in Python interpreter.
            // Issue is resolved by moving the generation of ret to separate function in detail namespace (see above).
            const signature_element * ret = detail::get_ret<Policies, Sig>();

py_func_sig_info res = {sig, ret };
#else
            py_func_sig_info res = {sig, sig };
#endif

return  res;
        }
     private:
        compressed_pair<F,Policies> m_data;
    };
};

#endif // BOOST_PP_IS_ITERATING

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