mirror of
https://github.com/EQEmu/Server.git
synced 2025-12-16 09:21:29 +00:00
108 lines
2.8 KiB
C++
108 lines
2.8 KiB
C++
// Copyright (c) 2005 Daniel Wallin
|
|
|
|
// Permission is hereby granted, free of charge, to any person obtaining a
|
|
// copy of this software and associated documentation files (the "Software"),
|
|
// to deal in the Software without restriction, including without limitation
|
|
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
|
|
// and/or sell copies of the Software, and to permit persons to whom the
|
|
// Software is furnished to do so, subject to the following conditions:
|
|
|
|
// The above copyright notice and this permission notice shall be included
|
|
// in all copies or substantial portions of the Software.
|
|
|
|
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF
|
|
// ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
|
|
// TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
|
|
// PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
|
|
// SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
|
|
// ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
|
|
// ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE
|
|
// OR OTHER DEALINGS IN THE SOFTWARE.
|
|
|
|
#ifndef LUABIND_HAS_GET_POINTER_051022_HPP
|
|
# define LUABIND_HAS_GET_POINTER_051022_HPP
|
|
|
|
# include <boost/type_traits/add_reference.hpp>
|
|
|
|
# ifndef BOOST_NO_ARGUMENT_DEPENDENT_LOOKUP
|
|
# include <memory>
|
|
# endif
|
|
|
|
namespace luabind { namespace detail {
|
|
|
|
namespace has_get_pointer_
|
|
{
|
|
|
|
struct any
|
|
{
|
|
template<class T> any(T const&);
|
|
};
|
|
|
|
struct no_overload_tag
|
|
{};
|
|
|
|
typedef char (&yes)[1];
|
|
typedef char (&no)[2];
|
|
|
|
no_overload_tag operator,(no_overload_tag, int);
|
|
|
|
//
|
|
// On compilers with ADL, we need these generic overloads in this
|
|
// namespace as well as in luabind::. Otherwise get_pointer(any)
|
|
// will be found before them.
|
|
//
|
|
# ifndef BOOST_NO_ARGUMENT_DEPENDENT_LOOKUP
|
|
|
|
template<class T>
|
|
T* get_pointer(T const volatile*);
|
|
|
|
template<class T>
|
|
T* get_pointer(std::auto_ptr<T> const&);
|
|
|
|
# endif
|
|
|
|
//
|
|
// On compilers that doesn't support ADL, the overload below has to
|
|
// live in luabind::.
|
|
//
|
|
# ifdef BOOST_NO_ARGUMENT_DEPENDENT_LOOKUP
|
|
}} // namespace detail::has_get_pointer_
|
|
# endif
|
|
|
|
detail::has_get_pointer_::no_overload_tag
|
|
get_pointer(detail::has_get_pointer_::any);
|
|
|
|
# ifdef BOOST_NO_ARGUMENT_DEPENDENT_LOOKUP
|
|
namespace detail { namespace has_get_pointer_
|
|
{
|
|
# endif
|
|
|
|
template<class T>
|
|
yes check(T const&);
|
|
no check(no_overload_tag);
|
|
|
|
template<class T>
|
|
struct impl
|
|
{
|
|
static typename boost::add_reference<T>::type x;
|
|
|
|
BOOST_STATIC_CONSTANT(bool,
|
|
value = sizeof(has_get_pointer_::check( (get_pointer(x),0) )) == 1
|
|
);
|
|
|
|
typedef boost::mpl::bool_<value> type;
|
|
};
|
|
|
|
} // namespace has_get_pointer_
|
|
|
|
template<class T>
|
|
struct has_get_pointer
|
|
: has_get_pointer_::impl<T>::type
|
|
{};
|
|
|
|
}} // namespace luabind::detail
|
|
|
|
#endif // LUABIND_HAS_GET_POINTER_051022_HPP
|
|
|