1bdd1243dSDimitry Andric // -*- C++ -*- 2bdd1243dSDimitry Andric //===----------------------------------------------------------------------===// 3bdd1243dSDimitry Andric // 4bdd1243dSDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 5bdd1243dSDimitry Andric // See https://llvm.org/LICENSE.txt for license information. 6bdd1243dSDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 7bdd1243dSDimitry Andric // 8bdd1243dSDimitry Andric //===----------------------------------------------------------------------===// 9bdd1243dSDimitry Andric 10bdd1243dSDimitry Andric #ifndef _LIBCPP___CHRONO_STATICALLY_WIDEN_H 11bdd1243dSDimitry Andric #define _LIBCPP___CHRONO_STATICALLY_WIDEN_H 12bdd1243dSDimitry Andric 13bdd1243dSDimitry Andric // Implements the STATICALLY-WIDEN exposition-only function. ([time.general]/2) 14bdd1243dSDimitry Andric 15bdd1243dSDimitry Andric #include <__concepts/same_as.h> 16bdd1243dSDimitry Andric #include <__config> 17bdd1243dSDimitry Andric #include <__format/concepts.h> 18bdd1243dSDimitry Andric 19bdd1243dSDimitry Andric #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 20bdd1243dSDimitry Andric # pragma GCC system_header 21bdd1243dSDimitry Andric #endif 22bdd1243dSDimitry Andric 23bdd1243dSDimitry Andric _LIBCPP_BEGIN_NAMESPACE_STD 24bdd1243dSDimitry Andric 25*06c3fb27SDimitry Andric #if _LIBCPP_STD_VER >= 20 26bdd1243dSDimitry Andric 27bdd1243dSDimitry Andric # ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS 28bdd1243dSDimitry Andric template <__fmt_char_type _CharT> __statically_widen(const char * __str,const wchar_t * __wstr)29bdd1243dSDimitry Andric_LIBCPP_HIDE_FROM_ABI constexpr const _CharT* __statically_widen(const char* __str, const wchar_t* __wstr) { 30bdd1243dSDimitry Andric if constexpr (same_as<_CharT, char>) 31bdd1243dSDimitry Andric return __str; 32bdd1243dSDimitry Andric else 33bdd1243dSDimitry Andric return __wstr; 34bdd1243dSDimitry Andric } 35bdd1243dSDimitry Andric # define _LIBCPP_STATICALLY_WIDEN(_CharT, __str) ::std::__statically_widen<_CharT>(__str, L##__str) 36bdd1243dSDimitry Andric # else // _LIBCPP_HAS_NO_WIDE_CHARACTERS 37bdd1243dSDimitry Andric 38bdd1243dSDimitry Andric // Without this indirection the unit test test/libcxx/modules_include.sh.cpp 39bdd1243dSDimitry Andric // fails for the CI build "No wide characters". This seems like a bug. 40bdd1243dSDimitry Andric // TODO FMT investigate why this is needed. 41bdd1243dSDimitry Andric template <__fmt_char_type _CharT> 42bdd1243dSDimitry Andric _LIBCPP_HIDE_FROM_ABI constexpr const _CharT* __statically_widen(const char* __str) { 43bdd1243dSDimitry Andric return __str; 44bdd1243dSDimitry Andric } 45bdd1243dSDimitry Andric # define _LIBCPP_STATICALLY_WIDEN(_CharT, __str) ::std::__statically_widen<_CharT>(__str) 46bdd1243dSDimitry Andric # endif // _LIBCPP_HAS_NO_WIDE_CHARACTERS 47bdd1243dSDimitry Andric 48*06c3fb27SDimitry Andric #endif //_LIBCPP_STD_VER >= 20 49bdd1243dSDimitry Andric 50bdd1243dSDimitry Andric _LIBCPP_END_NAMESPACE_STD 51bdd1243dSDimitry Andric 52bdd1243dSDimitry Andric #endif // _LIBCPP___CHRONO_STATICALLY_WIDEN_H 53