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1 | // ----------------------------------------------------------- | |
2 | // | |
3 | // Copyright (c) 2001-2002 Chuck Allison and Jeremy Siek | |
4 | // Copyright (c) 2003-2006, 2008 Gennaro Prota | |
5 | // | |
6 | // Distributed under the Boost Software License, Version 1.0. | |
7 | // (See accompanying file LICENSE_1_0.txt or copy at | |
8 | // http://www.boost.org/LICENSE_1_0.txt) | |
9 | // | |
10 | // ----------------------------------------------------------- | |
11 | ||
12 | #ifndef BOOST_DYNAMIC_BITSET_CONFIG_HPP_GP_20040424 | |
13 | #define BOOST_DYNAMIC_BITSET_CONFIG_HPP_GP_20040424 | |
14 | ||
15 | #include "boost/config.hpp" | |
16 | #include "boost/detail/workaround.hpp" | |
17 | ||
18 | // support for pre 3.0 libstdc++ - thanks Phil Edwards! | |
19 | #if defined (__STL_CONFIG_H) && !defined (__STL_USE_NEW_IOSTREAMS) | |
20 | # define BOOST_OLD_IOSTREAMS | |
21 | #endif | |
22 | ||
23 | // no-op function to workaround gcc bug c++/8419 | |
24 | // | |
25 | namespace boost { namespace detail { | |
26 | template <typename T> T make_non_const(T t) { return t; } | |
27 | }} | |
28 | ||
29 | #if defined(__GNUC__) | |
30 | # define BOOST_DYNAMIC_BITSET_WRAP_CONSTANT(expr) \ | |
31 | (boost::detail::make_non_const(expr)) | |
32 | #else | |
33 | # define BOOST_DYNAMIC_BITSET_WRAP_CONSTANT(expr) (expr) | |
34 | #endif | |
35 | ||
36 | // | |
37 | #if (defined __BORLANDC__ && BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564))) \ | |
38 | || (defined BOOST_NO_MEMBER_TEMPLATE_FRIENDS) | |
39 | #define BOOST_DYNAMIC_BITSET_DONT_USE_FRIENDS | |
40 | #endif | |
41 | ||
42 | // if we can't use friends then we simply expose private members | |
43 | // | |
44 | #if defined(BOOST_DYNAMIC_BITSET_DONT_USE_FRIENDS) | |
45 | #define BOOST_DYNAMIC_BITSET_PRIVATE public | |
46 | #else | |
47 | #define BOOST_DYNAMIC_BITSET_PRIVATE private | |
48 | #endif | |
49 | ||
50 | // A couple of macros to cope with libraries without locale | |
51 | // support. The first macro must be used to declare a reference | |
52 | // to a ctype facet. The second one to widen a char by using | |
53 | // that ctype object. If facets and locales aren't available | |
54 | // the first macro is a no-op and the second one just expands | |
55 | // to its parameter c. | |
56 | // | |
57 | #if defined (BOOST_USE_FACET) | |
58 | ||
59 | #define BOOST_DYNAMIC_BITSET_CTYPE_FACET(ch, name, loc) \ | |
60 | const std::ctype<ch> & name = \ | |
61 | BOOST_USE_FACET(std::ctype<ch>, loc) /**/ | |
62 | ||
63 | #define BOOST_DYNAMIC_BITSET_WIDEN_CHAR(fac, c) \ | |
64 | (fac.widen(c)) | |
65 | #else | |
66 | ||
67 | #define BOOST_DYNAMIC_BITSET_CTYPE_FACET(ch, name, loc) /**/ | |
68 | #define BOOST_DYNAMIC_BITSET_WIDEN_CHAR(fac, c) c | |
69 | ||
70 | #endif | |
71 | ||
72 | #endif // include guard |