| // -*- C++ -*- |
| //===----------------------------------------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef _LIBCPP___FORMAT_FORMATTER_POINTER_H |
| #define _LIBCPP___FORMAT_FORMATTER_POINTER_H |
| |
| #include <__availability> |
| #include <__config> |
| #include <__format/concepts.h> |
| #include <__format/format_parse_context.h> |
| #include <__format/formatter.h> |
| #include <__format/formatter_integral.h> |
| #include <__format/formatter_output.h> |
| #include <__format/parser_std_format_spec.h> |
| #include <cstddef> |
| #include <cstdint> |
| |
| #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) |
| # pragma GCC system_header |
| #endif |
| |
| _LIBCPP_BEGIN_NAMESPACE_STD |
| |
| #if _LIBCPP_STD_VER >= 20 |
| |
| template <__fmt_char_type _CharT> |
| struct _LIBCPP_TEMPLATE_VIS __formatter_pointer { |
| public: |
| _LIBCPP_HIDE_FROM_ABI constexpr auto |
| parse(basic_format_parse_context<_CharT>& __parse_ctx) -> decltype(__parse_ctx.begin()) { |
| auto __result = __parser_.__parse(__parse_ctx, __format_spec::__fields_pointer); |
| __format_spec::__process_display_type_pointer(__parser_.__type_); |
| return __result; |
| } |
| |
| _LIBCPP_HIDE_FROM_ABI auto format(const void* __ptr, auto& __ctx) const -> decltype(__ctx.out()) { |
| __format_spec::__parsed_specifications<_CharT> __specs = __parser_.__get_parsed_std_specifications(__ctx); |
| __specs.__std_.__alternate_form_ = true; |
| __specs.__std_.__type_ = __format_spec::__type::__hexadecimal_lower_case; |
| return __formatter::__format_integer(reinterpret_cast<uintptr_t>(__ptr), __ctx, __specs); |
| } |
| |
| __format_spec::__parser<_CharT> __parser_{.__alignment_ = __format_spec::__alignment::__right}; |
| }; |
| |
| // [format.formatter.spec]/2.4 |
| // For each charT, the pointer type specializations template<> |
| // - struct formatter<nullptr_t, charT>; |
| // - template<> struct formatter<void*, charT>; |
| // - template<> struct formatter<const void*, charT>; |
| template <__fmt_char_type _CharT> |
| struct _LIBCPP_TEMPLATE_VIS formatter<nullptr_t, _CharT> |
| : public __formatter_pointer<_CharT> {}; |
| template <__fmt_char_type _CharT> |
| struct _LIBCPP_TEMPLATE_VIS formatter<void*, _CharT> : public __formatter_pointer<_CharT> { |
| }; |
| template <__fmt_char_type _CharT> |
| struct _LIBCPP_TEMPLATE_VIS formatter<const void*, _CharT> |
| : public __formatter_pointer<_CharT> {}; |
| |
| #endif //_LIBCPP_STD_VER >= 20 |
| |
| _LIBCPP_END_NAMESPACE_STD |
| |
| #endif // _LIBCPP___FORMAT_FORMATTER_POINTER_H |