You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

443 lines
23 KiB

///////////////////////////////////////////////////////////////////////////////
/// \file pack_impl.hpp
/// Contains helpers for pseudo-pack expansion.
//
// Copyright 2012 Eric Niebler. 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)
template<typename Fun, typename Cont>
struct expand_pattern<1, Fun, Cont>
: Cont::template cat<typename expand_pattern_helper<proto::_child_c< 0>, Fun>::type>
{
BOOST_MPL_ASSERT_MSG(
(expand_pattern_helper<proto::_child_c<0>, Fun>::applied::value)
, NO_PACK_EXPRESSION_FOUND_IN_UNPACKING_PATTERN
, (Fun)
);
};
template<typename Ret >
struct expand_pattern_rest_0
{
template<typename C0 = void , typename C1 = void , typename C2 = void , typename C3 = void , typename C4 = void , typename C5 = void , typename C6 = void , typename C7 = void , typename C8 = void , typename C9 = void , typename C10 = void>
struct cat;
template<typename C0>
struct cat<C0>
{
typedef msvc_fun_workaround<Ret( C0)> type;
};
template<typename C0 , typename C1>
struct cat<C0 , C1>
{
typedef msvc_fun_workaround<Ret( C0 , C1)> type;
};
template<typename C0 , typename C1 , typename C2>
struct cat<C0 , C1 , C2>
{
typedef msvc_fun_workaround<Ret( C0 , C1 , C2)> type;
};
template<typename C0 , typename C1 , typename C2 , typename C3>
struct cat<C0 , C1 , C2 , C3>
{
typedef msvc_fun_workaround<Ret( C0 , C1 , C2 , C3)> type;
};
template<typename C0 , typename C1 , typename C2 , typename C3 , typename C4>
struct cat<C0 , C1 , C2 , C3 , C4>
{
typedef msvc_fun_workaround<Ret( C0 , C1 , C2 , C3 , C4)> type;
};
template<typename C0 , typename C1 , typename C2 , typename C3 , typename C4 , typename C5>
struct cat<C0 , C1 , C2 , C3 , C4 , C5>
{
typedef msvc_fun_workaround<Ret( C0 , C1 , C2 , C3 , C4 , C5)> type;
};
template<typename C0 , typename C1 , typename C2 , typename C3 , typename C4 , typename C5 , typename C6>
struct cat<C0 , C1 , C2 , C3 , C4 , C5 , C6>
{
typedef msvc_fun_workaround<Ret( C0 , C1 , C2 , C3 , C4 , C5 , C6)> type;
};
template<typename C0 , typename C1 , typename C2 , typename C3 , typename C4 , typename C5 , typename C6 , typename C7>
struct cat<C0 , C1 , C2 , C3 , C4 , C5 , C6 , C7>
{
typedef msvc_fun_workaround<Ret( C0 , C1 , C2 , C3 , C4 , C5 , C6 , C7)> type;
};
template<typename C0 , typename C1 , typename C2 , typename C3 , typename C4 , typename C5 , typename C6 , typename C7 , typename C8>
struct cat<C0 , C1 , C2 , C3 , C4 , C5 , C6 , C7 , C8>
{
typedef msvc_fun_workaround<Ret( C0 , C1 , C2 , C3 , C4 , C5 , C6 , C7 , C8)> type;
};
template<typename C0 , typename C1 , typename C2 , typename C3 , typename C4 , typename C5 , typename C6 , typename C7 , typename C8 , typename C9>
struct cat<C0 , C1 , C2 , C3 , C4 , C5 , C6 , C7 , C8 , C9>
{
typedef msvc_fun_workaround<Ret( C0 , C1 , C2 , C3 , C4 , C5 , C6 , C7 , C8 , C9)> type;
};
};
template<typename Fun, typename Cont>
struct expand_pattern<2, Fun, Cont>
: Cont::template cat<typename expand_pattern_helper<proto::_child_c< 0>, Fun>::type , typename expand_pattern_helper<proto::_child_c< 1>, Fun>::type>
{
BOOST_MPL_ASSERT_MSG(
(expand_pattern_helper<proto::_child_c<0>, Fun>::applied::value)
, NO_PACK_EXPRESSION_FOUND_IN_UNPACKING_PATTERN
, (Fun)
);
};
template<typename Ret , typename A0>
struct expand_pattern_rest_1
{
template<typename C0 = void , typename C1 = void , typename C2 = void , typename C3 = void , typename C4 = void , typename C5 = void , typename C6 = void , typename C7 = void , typename C8 = void , typename C9 = void>
struct cat;
template<typename C0>
struct cat<C0>
{
typedef msvc_fun_workaround<Ret(A0 , C0)> type;
};
template<typename C0 , typename C1>
struct cat<C0 , C1>
{
typedef msvc_fun_workaround<Ret(A0 , C0 , C1)> type;
};
template<typename C0 , typename C1 , typename C2>
struct cat<C0 , C1 , C2>
{
typedef msvc_fun_workaround<Ret(A0 , C0 , C1 , C2)> type;
};
template<typename C0 , typename C1 , typename C2 , typename C3>
struct cat<C0 , C1 , C2 , C3>
{
typedef msvc_fun_workaround<Ret(A0 , C0 , C1 , C2 , C3)> type;
};
template<typename C0 , typename C1 , typename C2 , typename C3 , typename C4>
struct cat<C0 , C1 , C2 , C3 , C4>
{
typedef msvc_fun_workaround<Ret(A0 , C0 , C1 , C2 , C3 , C4)> type;
};
template<typename C0 , typename C1 , typename C2 , typename C3 , typename C4 , typename C5>
struct cat<C0 , C1 , C2 , C3 , C4 , C5>
{
typedef msvc_fun_workaround<Ret(A0 , C0 , C1 , C2 , C3 , C4 , C5)> type;
};
template<typename C0 , typename C1 , typename C2 , typename C3 , typename C4 , typename C5 , typename C6>
struct cat<C0 , C1 , C2 , C3 , C4 , C5 , C6>
{
typedef msvc_fun_workaround<Ret(A0 , C0 , C1 , C2 , C3 , C4 , C5 , C6)> type;
};
template<typename C0 , typename C1 , typename C2 , typename C3 , typename C4 , typename C5 , typename C6 , typename C7>
struct cat<C0 , C1 , C2 , C3 , C4 , C5 , C6 , C7>
{
typedef msvc_fun_workaround<Ret(A0 , C0 , C1 , C2 , C3 , C4 , C5 , C6 , C7)> type;
};
template<typename C0 , typename C1 , typename C2 , typename C3 , typename C4 , typename C5 , typename C6 , typename C7 , typename C8>
struct cat<C0 , C1 , C2 , C3 , C4 , C5 , C6 , C7 , C8>
{
typedef msvc_fun_workaround<Ret(A0 , C0 , C1 , C2 , C3 , C4 , C5 , C6 , C7 , C8)> type;
};
};
template<typename Fun, typename Cont>
struct expand_pattern<3, Fun, Cont>
: Cont::template cat<typename expand_pattern_helper<proto::_child_c< 0>, Fun>::type , typename expand_pattern_helper<proto::_child_c< 1>, Fun>::type , typename expand_pattern_helper<proto::_child_c< 2>, Fun>::type>
{
BOOST_MPL_ASSERT_MSG(
(expand_pattern_helper<proto::_child_c<0>, Fun>::applied::value)
, NO_PACK_EXPRESSION_FOUND_IN_UNPACKING_PATTERN
, (Fun)
);
};
template<typename Ret , typename A0 , typename A1>
struct expand_pattern_rest_2
{
template<typename C0 = void , typename C1 = void , typename C2 = void , typename C3 = void , typename C4 = void , typename C5 = void , typename C6 = void , typename C7 = void , typename C8 = void>
struct cat;
template<typename C0>
struct cat<C0>
{
typedef msvc_fun_workaround<Ret(A0 , A1 , C0)> type;
};
template<typename C0 , typename C1>
struct cat<C0 , C1>
{
typedef msvc_fun_workaround<Ret(A0 , A1 , C0 , C1)> type;
};
template<typename C0 , typename C1 , typename C2>
struct cat<C0 , C1 , C2>
{
typedef msvc_fun_workaround<Ret(A0 , A1 , C0 , C1 , C2)> type;
};
template<typename C0 , typename C1 , typename C2 , typename C3>
struct cat<C0 , C1 , C2 , C3>
{
typedef msvc_fun_workaround<Ret(A0 , A1 , C0 , C1 , C2 , C3)> type;
};
template<typename C0 , typename C1 , typename C2 , typename C3 , typename C4>
struct cat<C0 , C1 , C2 , C3 , C4>
{
typedef msvc_fun_workaround<Ret(A0 , A1 , C0 , C1 , C2 , C3 , C4)> type;
};
template<typename C0 , typename C1 , typename C2 , typename C3 , typename C4 , typename C5>
struct cat<C0 , C1 , C2 , C3 , C4 , C5>
{
typedef msvc_fun_workaround<Ret(A0 , A1 , C0 , C1 , C2 , C3 , C4 , C5)> type;
};
template<typename C0 , typename C1 , typename C2 , typename C3 , typename C4 , typename C5 , typename C6>
struct cat<C0 , C1 , C2 , C3 , C4 , C5 , C6>
{
typedef msvc_fun_workaround<Ret(A0 , A1 , C0 , C1 , C2 , C3 , C4 , C5 , C6)> type;
};
template<typename C0 , typename C1 , typename C2 , typename C3 , typename C4 , typename C5 , typename C6 , typename C7>
struct cat<C0 , C1 , C2 , C3 , C4 , C5 , C6 , C7>
{
typedef msvc_fun_workaround<Ret(A0 , A1 , C0 , C1 , C2 , C3 , C4 , C5 , C6 , C7)> type;
};
};
template<typename Fun, typename Cont>
struct expand_pattern<4, Fun, Cont>
: Cont::template cat<typename expand_pattern_helper<proto::_child_c< 0>, Fun>::type , typename expand_pattern_helper<proto::_child_c< 1>, Fun>::type , typename expand_pattern_helper<proto::_child_c< 2>, Fun>::type , typename expand_pattern_helper<proto::_child_c< 3>, Fun>::type>
{
BOOST_MPL_ASSERT_MSG(
(expand_pattern_helper<proto::_child_c<0>, Fun>::applied::value)
, NO_PACK_EXPRESSION_FOUND_IN_UNPACKING_PATTERN
, (Fun)
);
};
template<typename Ret , typename A0 , typename A1 , typename A2>
struct expand_pattern_rest_3
{
template<typename C0 = void , typename C1 = void , typename C2 = void , typename C3 = void , typename C4 = void , typename C5 = void , typename C6 = void , typename C7 = void>
struct cat;
template<typename C0>
struct cat<C0>
{
typedef msvc_fun_workaround<Ret(A0 , A1 , A2 , C0)> type;
};
template<typename C0 , typename C1>
struct cat<C0 , C1>
{
typedef msvc_fun_workaround<Ret(A0 , A1 , A2 , C0 , C1)> type;
};
template<typename C0 , typename C1 , typename C2>
struct cat<C0 , C1 , C2>
{
typedef msvc_fun_workaround<Ret(A0 , A1 , A2 , C0 , C1 , C2)> type;
};
template<typename C0 , typename C1 , typename C2 , typename C3>
struct cat<C0 , C1 , C2 , C3>
{
typedef msvc_fun_workaround<Ret(A0 , A1 , A2 , C0 , C1 , C2 , C3)> type;
};
template<typename C0 , typename C1 , typename C2 , typename C3 , typename C4>
struct cat<C0 , C1 , C2 , C3 , C4>
{
typedef msvc_fun_workaround<Ret(A0 , A1 , A2 , C0 , C1 , C2 , C3 , C4)> type;
};
template<typename C0 , typename C1 , typename C2 , typename C3 , typename C4 , typename C5>
struct cat<C0 , C1 , C2 , C3 , C4 , C5>
{
typedef msvc_fun_workaround<Ret(A0 , A1 , A2 , C0 , C1 , C2 , C3 , C4 , C5)> type;
};
template<typename C0 , typename C1 , typename C2 , typename C3 , typename C4 , typename C5 , typename C6>
struct cat<C0 , C1 , C2 , C3 , C4 , C5 , C6>
{
typedef msvc_fun_workaround<Ret(A0 , A1 , A2 , C0 , C1 , C2 , C3 , C4 , C5 , C6)> type;
};
};
template<typename Fun, typename Cont>
struct expand_pattern<5, Fun, Cont>
: Cont::template cat<typename expand_pattern_helper<proto::_child_c< 0>, Fun>::type , typename expand_pattern_helper<proto::_child_c< 1>, Fun>::type , typename expand_pattern_helper<proto::_child_c< 2>, Fun>::type , typename expand_pattern_helper<proto::_child_c< 3>, Fun>::type , typename expand_pattern_helper<proto::_child_c< 4>, Fun>::type>
{
BOOST_MPL_ASSERT_MSG(
(expand_pattern_helper<proto::_child_c<0>, Fun>::applied::value)
, NO_PACK_EXPRESSION_FOUND_IN_UNPACKING_PATTERN
, (Fun)
);
};
template<typename Ret , typename A0 , typename A1 , typename A2 , typename A3>
struct expand_pattern_rest_4
{
template<typename C0 = void , typename C1 = void , typename C2 = void , typename C3 = void , typename C4 = void , typename C5 = void , typename C6 = void>
struct cat;
template<typename C0>
struct cat<C0>
{
typedef msvc_fun_workaround<Ret(A0 , A1 , A2 , A3 , C0)> type;
};
template<typename C0 , typename C1>
struct cat<C0 , C1>
{
typedef msvc_fun_workaround<Ret(A0 , A1 , A2 , A3 , C0 , C1)> type;
};
template<typename C0 , typename C1 , typename C2>
struct cat<C0 , C1 , C2>
{
typedef msvc_fun_workaround<Ret(A0 , A1 , A2 , A3 , C0 , C1 , C2)> type;
};
template<typename C0 , typename C1 , typename C2 , typename C3>
struct cat<C0 , C1 , C2 , C3>
{
typedef msvc_fun_workaround<Ret(A0 , A1 , A2 , A3 , C0 , C1 , C2 , C3)> type;
};
template<typename C0 , typename C1 , typename C2 , typename C3 , typename C4>
struct cat<C0 , C1 , C2 , C3 , C4>
{
typedef msvc_fun_workaround<Ret(A0 , A1 , A2 , A3 , C0 , C1 , C2 , C3 , C4)> type;
};
template<typename C0 , typename C1 , typename C2 , typename C3 , typename C4 , typename C5>
struct cat<C0 , C1 , C2 , C3 , C4 , C5>
{
typedef msvc_fun_workaround<Ret(A0 , A1 , A2 , A3 , C0 , C1 , C2 , C3 , C4 , C5)> type;
};
};
template<typename Fun, typename Cont>
struct expand_pattern<6, Fun, Cont>
: Cont::template cat<typename expand_pattern_helper<proto::_child_c< 0>, Fun>::type , typename expand_pattern_helper<proto::_child_c< 1>, Fun>::type , typename expand_pattern_helper<proto::_child_c< 2>, Fun>::type , typename expand_pattern_helper<proto::_child_c< 3>, Fun>::type , typename expand_pattern_helper<proto::_child_c< 4>, Fun>::type , typename expand_pattern_helper<proto::_child_c< 5>, Fun>::type>
{
BOOST_MPL_ASSERT_MSG(
(expand_pattern_helper<proto::_child_c<0>, Fun>::applied::value)
, NO_PACK_EXPRESSION_FOUND_IN_UNPACKING_PATTERN
, (Fun)
);
};
template<typename Ret , typename A0 , typename A1 , typename A2 , typename A3 , typename A4>
struct expand_pattern_rest_5
{
template<typename C0 = void , typename C1 = void , typename C2 = void , typename C3 = void , typename C4 = void , typename C5 = void>
struct cat;
template<typename C0>
struct cat<C0>
{
typedef msvc_fun_workaround<Ret(A0 , A1 , A2 , A3 , A4 , C0)> type;
};
template<typename C0 , typename C1>
struct cat<C0 , C1>
{
typedef msvc_fun_workaround<Ret(A0 , A1 , A2 , A3 , A4 , C0 , C1)> type;
};
template<typename C0 , typename C1 , typename C2>
struct cat<C0 , C1 , C2>
{
typedef msvc_fun_workaround<Ret(A0 , A1 , A2 , A3 , A4 , C0 , C1 , C2)> type;
};
template<typename C0 , typename C1 , typename C2 , typename C3>
struct cat<C0 , C1 , C2 , C3>
{
typedef msvc_fun_workaround<Ret(A0 , A1 , A2 , A3 , A4 , C0 , C1 , C2 , C3)> type;
};
template<typename C0 , typename C1 , typename C2 , typename C3 , typename C4>
struct cat<C0 , C1 , C2 , C3 , C4>
{
typedef msvc_fun_workaround<Ret(A0 , A1 , A2 , A3 , A4 , C0 , C1 , C2 , C3 , C4)> type;
};
};
template<typename Fun, typename Cont>
struct expand_pattern<7, Fun, Cont>
: Cont::template cat<typename expand_pattern_helper<proto::_child_c< 0>, Fun>::type , typename expand_pattern_helper<proto::_child_c< 1>, Fun>::type , typename expand_pattern_helper<proto::_child_c< 2>, Fun>::type , typename expand_pattern_helper<proto::_child_c< 3>, Fun>::type , typename expand_pattern_helper<proto::_child_c< 4>, Fun>::type , typename expand_pattern_helper<proto::_child_c< 5>, Fun>::type , typename expand_pattern_helper<proto::_child_c< 6>, Fun>::type>
{
BOOST_MPL_ASSERT_MSG(
(expand_pattern_helper<proto::_child_c<0>, Fun>::applied::value)
, NO_PACK_EXPRESSION_FOUND_IN_UNPACKING_PATTERN
, (Fun)
);
};
template<typename Ret , typename A0 , typename A1 , typename A2 , typename A3 , typename A4 , typename A5>
struct expand_pattern_rest_6
{
template<typename C0 = void , typename C1 = void , typename C2 = void , typename C3 = void , typename C4 = void>
struct cat;
template<typename C0>
struct cat<C0>
{
typedef msvc_fun_workaround<Ret(A0 , A1 , A2 , A3 , A4 , A5 , C0)> type;
};
template<typename C0 , typename C1>
struct cat<C0 , C1>
{
typedef msvc_fun_workaround<Ret(A0 , A1 , A2 , A3 , A4 , A5 , C0 , C1)> type;
};
template<typename C0 , typename C1 , typename C2>
struct cat<C0 , C1 , C2>
{
typedef msvc_fun_workaround<Ret(A0 , A1 , A2 , A3 , A4 , A5 , C0 , C1 , C2)> type;
};
template<typename C0 , typename C1 , typename C2 , typename C3>
struct cat<C0 , C1 , C2 , C3>
{
typedef msvc_fun_workaround<Ret(A0 , A1 , A2 , A3 , A4 , A5 , C0 , C1 , C2 , C3)> type;
};
};
template<typename Fun, typename Cont>
struct expand_pattern<8, Fun, Cont>
: Cont::template cat<typename expand_pattern_helper<proto::_child_c< 0>, Fun>::type , typename expand_pattern_helper<proto::_child_c< 1>, Fun>::type , typename expand_pattern_helper<proto::_child_c< 2>, Fun>::type , typename expand_pattern_helper<proto::_child_c< 3>, Fun>::type , typename expand_pattern_helper<proto::_child_c< 4>, Fun>::type , typename expand_pattern_helper<proto::_child_c< 5>, Fun>::type , typename expand_pattern_helper<proto::_child_c< 6>, Fun>::type , typename expand_pattern_helper<proto::_child_c< 7>, Fun>::type>
{
BOOST_MPL_ASSERT_MSG(
(expand_pattern_helper<proto::_child_c<0>, Fun>::applied::value)
, NO_PACK_EXPRESSION_FOUND_IN_UNPACKING_PATTERN
, (Fun)
);
};
template<typename Ret , typename A0 , typename A1 , typename A2 , typename A3 , typename A4 , typename A5 , typename A6>
struct expand_pattern_rest_7
{
template<typename C0 = void , typename C1 = void , typename C2 = void , typename C3 = void>
struct cat;
template<typename C0>
struct cat<C0>
{
typedef msvc_fun_workaround<Ret(A0 , A1 , A2 , A3 , A4 , A5 , A6 , C0)> type;
};
template<typename C0 , typename C1>
struct cat<C0 , C1>
{
typedef msvc_fun_workaround<Ret(A0 , A1 , A2 , A3 , A4 , A5 , A6 , C0 , C1)> type;
};
template<typename C0 , typename C1 , typename C2>
struct cat<C0 , C1 , C2>
{
typedef msvc_fun_workaround<Ret(A0 , A1 , A2 , A3 , A4 , A5 , A6 , C0 , C1 , C2)> type;
};
};
template<typename Fun, typename Cont>
struct expand_pattern<9, Fun, Cont>
: Cont::template cat<typename expand_pattern_helper<proto::_child_c< 0>, Fun>::type , typename expand_pattern_helper<proto::_child_c< 1>, Fun>::type , typename expand_pattern_helper<proto::_child_c< 2>, Fun>::type , typename expand_pattern_helper<proto::_child_c< 3>, Fun>::type , typename expand_pattern_helper<proto::_child_c< 4>, Fun>::type , typename expand_pattern_helper<proto::_child_c< 5>, Fun>::type , typename expand_pattern_helper<proto::_child_c< 6>, Fun>::type , typename expand_pattern_helper<proto::_child_c< 7>, Fun>::type , typename expand_pattern_helper<proto::_child_c< 8>, Fun>::type>
{
BOOST_MPL_ASSERT_MSG(
(expand_pattern_helper<proto::_child_c<0>, Fun>::applied::value)
, NO_PACK_EXPRESSION_FOUND_IN_UNPACKING_PATTERN
, (Fun)
);
};
template<typename Ret , typename A0 , typename A1 , typename A2 , typename A3 , typename A4 , typename A5 , typename A6 , typename A7>
struct expand_pattern_rest_8
{
template<typename C0 = void , typename C1 = void , typename C2 = void>
struct cat;
template<typename C0>
struct cat<C0>
{
typedef msvc_fun_workaround<Ret(A0 , A1 , A2 , A3 , A4 , A5 , A6 , A7 , C0)> type;
};
template<typename C0 , typename C1>
struct cat<C0 , C1>
{
typedef msvc_fun_workaround<Ret(A0 , A1 , A2 , A3 , A4 , A5 , A6 , A7 , C0 , C1)> type;
};
};
template<typename Fun, typename Cont>
struct expand_pattern<10, Fun, Cont>
: Cont::template cat<typename expand_pattern_helper<proto::_child_c< 0>, Fun>::type , typename expand_pattern_helper<proto::_child_c< 1>, Fun>::type , typename expand_pattern_helper<proto::_child_c< 2>, Fun>::type , typename expand_pattern_helper<proto::_child_c< 3>, Fun>::type , typename expand_pattern_helper<proto::_child_c< 4>, Fun>::type , typename expand_pattern_helper<proto::_child_c< 5>, Fun>::type , typename expand_pattern_helper<proto::_child_c< 6>, Fun>::type , typename expand_pattern_helper<proto::_child_c< 7>, Fun>::type , typename expand_pattern_helper<proto::_child_c< 8>, Fun>::type , typename expand_pattern_helper<proto::_child_c< 9>, Fun>::type>
{
BOOST_MPL_ASSERT_MSG(
(expand_pattern_helper<proto::_child_c<0>, Fun>::applied::value)
, NO_PACK_EXPRESSION_FOUND_IN_UNPACKING_PATTERN
, (Fun)
);
};
template<typename Ret , typename A0 , typename A1 , typename A2 , typename A3 , typename A4 , typename A5 , typename A6 , typename A7 , typename A8>
struct expand_pattern_rest_9
{
template<typename C0 = void , typename C1 = void>
struct cat;
template<typename C0>
struct cat<C0>
{
typedef msvc_fun_workaround<Ret(A0 , A1 , A2 , A3 , A4 , A5 , A6 , A7 , A8 , C0)> type;
};
};