/usr/include/luabind/dependency_policy.hpp is in libluabind-dev 0.9.1+dfsg-9.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 | // 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,
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// OR OTHER DEALINGS IN THE SOFTWARE.
#ifndef LUABIND_DEPENDENCY_POLICY_HPP_INCLUDED
#define LUABIND_DEPENDENCY_POLICY_HPP_INCLUDED
#include <luabind/config.hpp>
#include <luabind/detail/policy.hpp>
namespace luabind { namespace detail
{
// makes A dependent on B, meaning B will outlive A.
// internally A stores a reference to B
template<int A, int B>
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<object_rep*>(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);
}
};
}}
#if defined (BOOST_MSVC) && (BOOST_MSVC <= 1200)
namespace luabind
{
// most absurd workaround of all time?
namespace detail
{
template<int N>
struct size_char_array
{
char storage[N + 2];
};
template<int N>
size_char_array<N> deduce_size(LUABIND_PLACEHOLDER_ARG(N));
template<class T>
struct get_index_workaround
{
static T t;
BOOST_STATIC_CONSTANT(int, value = sizeof(deduce_size(t)) - 2);
};
}
template<class A, class B>
detail::policy_cons<detail::dependency_policy<detail::get_index_workaround<A>::value
, detail::get_index_workaround<B>::value>, detail::null_type> dependency(A,B)
{
return detail::policy_cons<detail::dependency_policy<
detail::get_index_workaround<A>::value, detail::get_index_workaround<B>::value>
, detail::null_type>();
}
template<class A>
detail::policy_cons<detail::dependency_policy<0
, detail::get_index_workaround<A>::value>, detail::null_type>
return_internal_reference(A)
{
return detail::policy_cons<detail::dependency_policy<0
, detail::get_index_workaround<A>::value>, detail::null_type>();
}
}
#else
namespace luabind
{
template<int A, int B>
detail::policy_cons<detail::dependency_policy<A, B>, detail::null_type>
dependency(LUABIND_PLACEHOLDER_ARG(A), LUABIND_PLACEHOLDER_ARG(B))
{
return detail::policy_cons<detail::dependency_policy<A, B>, detail::null_type>();
}
template<int A>
detail::policy_cons<detail::dependency_policy<0, A>, detail::null_type>
return_internal_reference(LUABIND_PLACEHOLDER_ARG(A))
{
return detail::policy_cons<detail::dependency_policy<0, A>, detail::null_type>();
}
}
#endif
#endif // LUABIND_DEPENDENCY_POLICY_HPP_INCLUDED
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