ChaiScript/include/chaiscript/dispatchkit/register_function.hpp

91 lines
2.1 KiB
C++

// This file is distributed under the BSD License.
// See "license.txt" for details.
// Copyright 2009, Jonathan Turner (jturner@minnow-lang.org)
// and Jason Turner (lefticus@gmail.com)
// http://www.chaiscript.com
#ifndef __register_function_hpp__
#define __register_function_hpp__
#include "dispatchkit.hpp"
#include "bind_first.hpp"
#include <boost/function.hpp>
#include <boost/bind.hpp>
#include <boost/function_types/components.hpp>
#include <boost/function_types/function_type.hpp>
namespace chaiscript
{
namespace detail
{
/**
* Helper function for register_member function
*/
template<typename T, typename Class>
T &get_member(T Class::* m, Class *obj)
{
return (obj->*m);
}
template<typename T>
boost::function<T> mk_boost_fun(const boost::function<T> &f)
{
return f;
}
template<typename T>
boost::function<
typename boost::function_types::function_type<boost::function_types::components<T> >::type
> mk_boost_fun(T t)
{
return
boost::function<
typename boost::function_types::function_type<boost::function_types::components<T> >::type
>(t);
}
template<typename T, typename Class>
Proxy_Function fun_helper(T Class::* m)
{
return fun_helper(boost::function<T& (Class *)>(boost::bind(&detail::get_member<T, Class>, m, _1)));
}
template<typename T>
Proxy_Function fun_helper(const boost::function<T> &f)
{
return Proxy_Function(new Proxy_Function_Impl<T>(f));
}
}
template<typename T>
Proxy_Function fun(const boost::function<T> &f)
{
return detail::fun_helper(f);
}
template<typename T>
Proxy_Function fun(T t)
{
return detail::fun_helper(detail::mk_boost_fun(t));
}
template<typename T, typename Q>
Proxy_Function fun(T t, const Q &q)
{
return detail::fun_helper(bind_first(t, q));
}
template<typename T, typename Q, typename R>
Proxy_Function fun(T t, const Q &q, const R &r)
{
return detail::fun_helper(bind_first(bind_first(t, q), r));
}
}
#endif