1 | |
---|
2 | #ifndef BOOST_MPL_AUX_MSVC_ETI_BASE_HPP_INCLUDED |
---|
3 | #define BOOST_MPL_AUX_MSVC_ETI_BASE_HPP_INCLUDED |
---|
4 | |
---|
5 | // Copyright Aleksey Gurtovoy 2001-2004 |
---|
6 | // |
---|
7 | // Distributed under the Boost Software License, Version 1.0. |
---|
8 | // (See accompanying file LICENSE_1_0.txt or copy at |
---|
9 | // http://www.boost.org/LICENSE_1_0.txt) |
---|
10 | // |
---|
11 | // See http://www.boost.org/libs/mpl for documentation. |
---|
12 | |
---|
13 | // $Id: msvc_eti_base.hpp 49267 2008-10-11 06:19:02Z agurtovoy $ |
---|
14 | // $Date: 2008-10-11 02:19:02 -0400 (Sat, 11 Oct 2008) $ |
---|
15 | // $Revision: 49267 $ |
---|
16 | |
---|
17 | #include <boost/mpl/aux_/is_msvc_eti_arg.hpp> |
---|
18 | #include <boost/mpl/aux_/config/eti.hpp> |
---|
19 | #include <boost/mpl/aux_/config/gcc.hpp> |
---|
20 | #include <boost/mpl/aux_/config/workaround.hpp> |
---|
21 | |
---|
22 | namespace boost { namespace mpl { namespace aux { |
---|
23 | |
---|
24 | #if defined(BOOST_MPL_CFG_MSVC_70_ETI_BUG) |
---|
25 | |
---|
26 | template< bool > struct msvc_eti_base_impl |
---|
27 | { |
---|
28 | template< typename T > struct result_ |
---|
29 | : T |
---|
30 | { |
---|
31 | typedef T type; |
---|
32 | }; |
---|
33 | }; |
---|
34 | |
---|
35 | template<> struct msvc_eti_base_impl<true> |
---|
36 | { |
---|
37 | template< typename T > struct result_ |
---|
38 | { |
---|
39 | typedef result_ type; |
---|
40 | typedef result_ first; |
---|
41 | typedef result_ second; |
---|
42 | typedef result_ tag; |
---|
43 | enum { value = 0 }; |
---|
44 | }; |
---|
45 | }; |
---|
46 | |
---|
47 | template< typename T > struct msvc_eti_base |
---|
48 | : msvc_eti_base_impl< is_msvc_eti_arg<T>::value > |
---|
49 | ::template result_<T> |
---|
50 | { |
---|
51 | }; |
---|
52 | |
---|
53 | #else // !BOOST_MPL_CFG_MSVC_70_ETI_BUG |
---|
54 | |
---|
55 | template< typename T > struct msvc_eti_base |
---|
56 | : T |
---|
57 | { |
---|
58 | #if BOOST_WORKAROUND(BOOST_MPL_CFG_GCC, BOOST_TESTED_AT(0x0304)) |
---|
59 | msvc_eti_base(); |
---|
60 | #endif |
---|
61 | typedef T type; |
---|
62 | }; |
---|
63 | |
---|
64 | #endif |
---|
65 | |
---|
66 | template<> struct msvc_eti_base<int> |
---|
67 | { |
---|
68 | typedef msvc_eti_base type; |
---|
69 | typedef msvc_eti_base first; |
---|
70 | typedef msvc_eti_base second; |
---|
71 | typedef msvc_eti_base tag; |
---|
72 | enum { value = 0 }; |
---|
73 | }; |
---|
74 | |
---|
75 | }}} |
---|
76 | |
---|
77 | #endif // BOOST_MPL_AUX_MSVC_ETI_BASE_HPP_INCLUDED |
---|