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1 | // Copyright David Abrahams 2002. |
2 | // Distributed under the Boost Software License, Version 1.0. (See | |
3 | // accompanying file LICENSE_1_0.txt or copy at | |
4 | // http://www.boost.org/LICENSE_1_0.txt) | |
5 | #ifndef STRING_LITERAL_DWA2002629_HPP | |
6 | # define STRING_LITERAL_DWA2002629_HPP | |
7 | ||
8 | # include <cstddef> | |
9 | # include <boost/type.hpp> | |
10 | # include <boost/type_traits/array_traits.hpp> | |
11 | # include <boost/type_traits/same_traits.hpp> | |
12 | # include <boost/mpl/bool.hpp> | |
13 | # include <boost/detail/workaround.hpp> | |
14 | ||
15 | namespace boost { namespace python { namespace detail { | |
16 | ||
17 | template <class T> | |
18 | struct is_string_literal : mpl::false_ | |
19 | { | |
20 | }; | |
21 | ||
22 | # if !defined(__MWERKS__) || __MWERKS__ > 0x2407 | |
23 | template <std::size_t n> | |
24 | struct is_string_literal<char const[n]> : mpl::true_ | |
25 | { | |
26 | }; | |
27 | ||
28 | # if BOOST_WORKAROUND(__DECCXX_VER, BOOST_TESTED_AT(60590040)) \ | |
29 | || (defined(__sgi) && defined(_COMPILER_VERSION) && _COMPILER_VERSION <= 730) | |
30 | // This compiler mistakenly gets the type of string literals as char* | |
31 | // instead of char[NN]. | |
32 | template <> | |
33 | struct is_string_literal<char* const> : mpl::true_ | |
34 | { | |
35 | }; | |
36 | # endif | |
37 | ||
38 | # else | |
39 | ||
40 | // CWPro7 has trouble with the array type deduction above | |
41 | template <class T, std::size_t n> | |
42 | struct is_string_literal<T[n]> | |
43 | : is_same<T, char const> | |
44 | { | |
45 | }; | |
46 | # endif | |
47 | ||
48 | }}} // namespace boost::python::detail | |
49 | ||
50 | #endif // STRING_LITERAL_DWA2002629_HPP |