115 lines
3.2 KiB
C++
115 lines
3.2 KiB
C++
|
// 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 DEF_DWA200292_HPP
|
||
|
|
# define DEF_DWA200292_HPP
|
||
|
|
|
||
|
|
# include <boost/python/detail/prefix.hpp>
|
||
|
|
|
||
|
|
# include <boost/python/object_fwd.hpp>
|
||
|
|
# include <boost/python/make_function.hpp>
|
||
|
|
# include <boost/python/detail/def_helper.hpp>
|
||
|
|
# include <boost/python/detail/overloads_fwd.hpp>
|
||
|
|
# include <boost/python/scope.hpp>
|
||
|
|
# include <boost/python/signature.hpp>
|
||
|
|
# include <boost/python/detail/scope.hpp>
|
||
|
|
|
||
|
|
namespace boost { namespace python {
|
||
|
|
|
||
|
|
namespace detail
|
||
|
|
{
|
||
|
|
namespace error
|
||
|
|
{
|
||
|
|
// Compile-time error messages
|
||
|
|
template <bool> struct multiple_functions_passed_to_def;
|
||
|
|
template <> struct multiple_functions_passed_to_def<false> { typedef char type; };
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// def_from_helper --
|
||
|
|
//
|
||
|
|
// Use a def_helper to define a regular wrapped function in the current scope.
|
||
|
|
template <class F, class Helper>
|
||
|
|
void def_from_helper(
|
||
|
|
char const* name, F const& fn, Helper const& helper)
|
||
|
|
{
|
||
|
|
// Must not try to use default implementations except with method definitions.
|
||
|
|
typedef typename error::multiple_functions_passed_to_def<
|
||
|
|
Helper::has_default_implementation
|
||
|
|
>::type assertion BOOST_ATTRIBUTE_UNUSED;
|
||
|
|
|
||
|
|
detail::scope_setattr_doc(
|
||
|
|
name, boost::python::make_function(
|
||
|
|
fn
|
||
|
|
, helper.policies()
|
||
|
|
, helper.keywords())
|
||
|
|
, helper.doc()
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// These two overloads discriminate between def() as applied to
|
||
|
|
// regular functions and def() as applied to the result of
|
||
|
|
// BOOST_PYTHON_FUNCTION_OVERLOADS(). The final argument is used to
|
||
|
|
// discriminate.
|
||
|
|
//
|
||
|
|
template <class Fn, class A1>
|
||
|
|
void
|
||
|
|
def_maybe_overloads(
|
||
|
|
char const* name
|
||
|
|
, Fn fn
|
||
|
|
, A1 const& a1
|
||
|
|
, ...)
|
||
|
|
{
|
||
|
|
detail::def_from_helper(name, fn, def_helper<A1>(a1));
|
||
|
|
}
|
||
|
|
|
||
|
|
template <class StubsT, class SigT>
|
||
|
|
void def_maybe_overloads(
|
||
|
|
char const* name
|
||
|
|
, SigT sig
|
||
|
|
, StubsT const& stubs
|
||
|
|
, detail::overloads_base const*)
|
||
|
|
{
|
||
|
|
scope current;
|
||
|
|
|
||
|
|
detail::define_with_defaults(
|
||
|
|
name, stubs, current, detail::get_signature(sig));
|
||
|
|
}
|
||
|
|
|
||
|
|
template <class T>
|
||
|
|
object make_function1(T fn, ...) { return make_function(fn); }
|
||
|
|
|
||
|
|
inline
|
||
|
|
object make_function1(object const& x, object const*) { return x; }
|
||
|
|
}
|
||
|
|
|
||
|
|
template <class Fn>
|
||
|
|
void def(char const* name, Fn fn)
|
||
|
|
{
|
||
|
|
detail::scope_setattr_doc(name, detail::make_function1(fn, &fn), 0);
|
||
|
|
}
|
||
|
|
|
||
|
|
template <class Arg1T, class Arg2T>
|
||
|
|
void def(char const* name, Arg1T arg1, Arg2T const& arg2)
|
||
|
|
{
|
||
|
|
detail::def_maybe_overloads(name, arg1, arg2, &arg2);
|
||
|
|
}
|
||
|
|
|
||
|
|
template <class F, class A1, class A2>
|
||
|
|
void def(char const* name, F f, A1 const& a1, A2 const& a2)
|
||
|
|
{
|
||
|
|
detail::def_from_helper(name, f, detail::def_helper<A1,A2>(a1,a2));
|
||
|
|
}
|
||
|
|
|
||
|
|
template <class F, class A1, class A2, class A3>
|
||
|
|
void def(char const* name, F f, A1 const& a1, A2 const& a2, A3 const& a3)
|
||
|
|
{
|
||
|
|
detail::def_from_helper(name, f, detail::def_helper<A1,A2,A3>(a1,a2,a3));
|
||
|
|
}
|
||
|
|
|
||
|
|
}} // namespace boost::python
|
||
|
|
|
||
|
|
#endif // DEF_DWA200292_HPP
|