Edit: /usr/include/luabind/dependency_policy.hpp (2691B)
// Copyright (c) 2003 Daniel Wallin and Arvid Norberg
// 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_DEPENDENCY_POLICY_HPP_INCLUDED
#define LUABIND_DEPENDENCY_POLICY_HPP_INCLUDED
#include
#include // for object_rep
#include // for policy_cons, etc
#include // for null_type
namespace luabind { namespace detail
{
// makes A dependent on B, meaning B will outlive A.
// internally A stores a reference to B
template
struct dependency_policy
{
static void postcall(lua_State* L, const index_map& indices)
{
int nurse_index = indices[A];
int patient = indices[B];
object_rep* nurse = static_cast(lua_touserdata(L, nurse_index));
// If the nurse isn't an object_rep, just make this a nop.
if (nurse == 0)
return;
nurse->add_dependency(L, patient);
}
};
}}
namespace luabind
{
template
detail::policy_cons, detail::null_type>
dependency(LUABIND_PLACEHOLDER_ARG(A), LUABIND_PLACEHOLDER_ARG(B))
{
return detail::policy_cons, detail::null_type>();
}
template
detail::policy_cons, detail::null_type>
return_internal_reference(LUABIND_PLACEHOLDER_ARG(A))
{
return detail::policy_cons, detail::null_type>();
}
}
#endif // LUABIND_DEPENDENCY_POLICY_HPP_INCLUDED