/usr/include/boost/archive/detail/register_archive.hpp is in libboost1.55-dev 1.55.0+dfsg-3.
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 | // Copyright David Abrahams 2006. 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 BOOST_ARCHIVE_DETAIL_REGISTER_ARCHIVE_DWA2006521_HPP
# define BOOST_ARCHIVE_DETAIL_REGISTER_ARCHIVE_DWA2006521_HPP
namespace boost { namespace archive { namespace detail {
// No instantiate_ptr_serialization overloads generated by
// BOOST_SERIALIZATION_REGISTER_ARCHIVE that lexically follow the call
// will be seen *unless* they are in an associated namespace of one of
// the arguments, so we pass one of these along to make sure this
// namespace is considered. See temp.dep.candidate (14.6.4.2) in the
// standard.
struct adl_tag {};
template <class Archive, class Serializable>
struct ptr_serialization_support;
// We could've just used ptr_serialization_support, above, but using
// it with only a forward declaration causes vc6/7 to complain about a
// missing instantiate member, even if it has one. This is just a
// friendly layer of indirection.
template <class Archive, class Serializable>
struct _ptr_serialization_support
: ptr_serialization_support<Archive,Serializable>
{
typedef int type;
};
#ifdef __SUNPRO_CC
template<int N>
struct counter : counter<N-1> {};
template<>
struct counter<0> {};
template<class Serializable>
void instantiate_ptr_serialization(Serializable* s, int, adl_tag) {
instantiate_ptr_serialization(s, counter<20>());
}
template<class Archive>
struct get_counter {
static const int value = sizeof(adjust_counter(counter<20>()));
typedef counter<value> type;
typedef counter<value - 1> prior;
typedef char (&next)[value+1];
};
char adjust_counter(counter<0>);
template<class Serializable>
void instantiate_ptr_serialization(Serializable*, counter<0>) {}
#define BOOST_SERIALIZATION_REGISTER_ARCHIVE(Archive) \
namespace boost { namespace archive { namespace detail { \
get_counter<Archive >::next adjust_counter(get_counter<Archive >::type);\
template<class Serializable> \
void instantiate_ptr_serialization(Serializable* s, \
get_counter<Archive >::type) { \
ptr_serialization_support<Archive, Serializable> x; \
instantiate_ptr_serialization(s, get_counter<Archive >::prior()); \
}\
}}}
#else
// This function gets called, but its only purpose is to participate
// in overload resolution with the functions declared by
// BOOST_SERIALIZATION_REGISTER_ARCHIVE, below.
template <class Serializable>
void instantiate_ptr_serialization(Serializable*, int, adl_tag ) {}
// The function declaration generated by this macro never actually
// gets called, but its return type gets instantiated, and that's
// enough to cause registration of serialization functions between
// Archive and any exported Serializable type. See also:
// boost/serialization/export.hpp
# define BOOST_SERIALIZATION_REGISTER_ARCHIVE(Archive) \
namespace boost { namespace archive { namespace detail { \
\
template <class Serializable> \
BOOST_DEDUCED_TYPENAME _ptr_serialization_support<Archive, Serializable>::type \
instantiate_ptr_serialization( Serializable*, Archive*, adl_tag ); \
\
}}}
#endif
}}} // namespace boost::archive::detail
#endif // BOOST_ARCHIVE_DETAIL_INSTANTIATE_SERIALIZE_DWA2006521_HPP
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