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78 lines
3 KiB
C++
78 lines
3 KiB
C++
/*=============================================================================
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Copyright (c) 2011-2016 Bolero MURAKAMI
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https://github.com/bolero-MURAKAMI/Sprout
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Distributed under the Boost Software License, Version 1.0. (See accompanying
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file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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=============================================================================*/
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#ifndef SPROUT_DETAIL_LITERAL_DEF_HPP
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#define SPROUT_DETAIL_LITERAL_DEF_HPP
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#include <sprout/config.hpp>
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#include <sprout/string.hpp>
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#include <sprout/type_traits/integral_constant.hpp>
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#include <sprout/preprocessor/cat.hpp>
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//
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// SPROUT_LITERAL_STRING_DEF
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//
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#if SPROUT_USE_UNICODE_LITERALS
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# define SPROUT_LITERAL_STRING_DEF(NAME, STRING, LENGTH) \
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template<typename Elem, typename X = void> \
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struct NAME; \
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SPROUT_LITERAL_STRING_DEF_IMPL(NAME, STRING, LENGTH, char); \
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SPROUT_LITERAL_STRING_DEF_IMPL(NAME, SPROUT_PP_CAT(L, STRING), LENGTH, wchar_t); \
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SPROUT_LITERAL_STRING_DEF_IMPL(NAME, SPROUT_PP_CAT(u, STRING), LENGTH, char16_t); \
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SPROUT_LITERAL_STRING_DEF_IMPL(NAME, SPROUT_PP_CAT(U, STRING), LENGTH, char32_t); \
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template<typename Elem, typename X> \
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struct NAME {}
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#else
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# define SPROUT_LITERAL_STRING_DEF(NAME, STRING, LENGTH) \
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template<typename Elem, typename X = void> \
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struct NAME; \
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SPROUT_LITERAL_STRING_DEF_IMPL(NAME, STRING, LENGTH, char); \
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SPROUT_LITERAL_STRING_DEF_IMPL(NAME, SPROUT_PP_CAT(L, STRING), LENGTH, wchar_t); \
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template<typename Elem, typename X> \
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struct NAME {}
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#endif
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#define SPROUT_LITERAL_STRING_DEF_IMPL(NAME, STRING, LENGTH, ELEM) \
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template<typename X> \
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struct NAME<ELEM, X> { \
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public: \
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SPROUT_STATIC_CONSTEXPR sprout::basic_string<ELEM, LENGTH> value \
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SPROUT_STATIC_CONSTEXPR_DATA_MEMBER_INNER(sprout::to_string(STRING)) \
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; \
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}; \
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template<typename X> \
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SPROUT_CONSTEXPR_OR_CONST sprout::basic_string<ELEM, LENGTH> NAME<ELEM, X>::value \
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SPROUT_STATIC_CONSTEXPR_DATA_MEMBER_OUTER(sprout::to_string(STRING))
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//
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// SPROUT_LITERAL_CHAR_DEF
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//
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#if SPROUT_USE_UNICODE_LITERALS
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# define SPROUT_LITERAL_CHAR_DEF(NAME, CHAR) \
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template<typename Elem> \
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struct NAME; \
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SPROUT_LITERAL_CHAR_DEF_IMPL(NAME, CHAR, char); \
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SPROUT_LITERAL_CHAR_DEF_IMPL(NAME, SPROUT_PP_CAT(L, CHAR), wchar_t); \
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SPROUT_LITERAL_CHAR_DEF_IMPL(NAME, SPROUT_PP_CAT(u, CHAR), char16_t); \
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SPROUT_LITERAL_CHAR_DEF_IMPL(NAME, SPROUT_PP_CAT(U, CHAR), char32_t); \
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template<typename Elem> \
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struct NAME {}
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#else
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# define SPROUT_LITERAL_CHAR_DEF(NAME, CHAR) \
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template<typename Elem> \
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struct NAME; \
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SPROUT_LITERAL_CHAR_DEF_IMPL(NAME, CHAR, char); \
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SPROUT_LITERAL_CHAR_DEF_IMPL(NAME, SPROUT_PP_CAT(L, CHAR), wchar_t); \
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template<typename Elem> \
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struct NAME {}
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#endif
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#define SPROUT_LITERAL_CHAR_DEF_IMPL(NAME, CHAR, ELEM) \
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template<> \
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struct NAME<ELEM> \
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: public sprout::integral_constant<ELEM, CHAR> \
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{}
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#endif // #ifndef SPROUT_DETAIL_LITERAL_DEF_HPP
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