forked from OSchip/llvm-project
74 lines
2.8 KiB
C++
74 lines
2.8 KiB
C++
// -*- C++ -*-
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//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef _LIBCPP___FORMAT_FORMATTER_POINTER_H
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#define _LIBCPP___FORMAT_FORMATTER_POINTER_H
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#include <__availability>
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#include <__config>
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#include <__format/format_fwd.h>
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#include <__format/format_parse_context.h>
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#include <__format/formatter.h>
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#include <__format/formatter_integral.h>
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#include <__format/formatter_output.h>
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#include <__format/parser_std_format_spec.h>
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#include <cstddef>
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#include <cstdint>
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#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
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# pragma GCC system_header
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#endif
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_LIBCPP_BEGIN_NAMESPACE_STD
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#if _LIBCPP_STD_VER > 17
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template <__formatter::__char_type _CharT>
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struct _LIBCPP_TEMPLATE_VIS __formatter_pointer {
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public:
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constexpr __formatter_pointer() { __parser_.__alignment_ = __format_spec::__alignment::__right; }
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_LIBCPP_HIDE_FROM_ABI constexpr auto
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parse(basic_format_parse_context<_CharT>& __parse_ctx) -> decltype(__parse_ctx.begin()) {
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auto __result = __parser_.__parse(__parse_ctx, __format_spec::__fields_pointer);
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__format_spec::__process_display_type_pointer(__parser_.__type_);
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return __result;
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}
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_LIBCPP_HIDE_FROM_ABI auto format(const void* __ptr, auto& __ctx) const -> decltype(__ctx.out()) {
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__format_spec::__parsed_specifications<_CharT> __specs = __parser_.__get_parsed_std_specifications(__ctx);
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__specs.__std_.__alternate_form_ = true;
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__specs.__std_.__type_ = __format_spec::__type::__hexadecimal_lower_case;
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return __formatter::__format_integer(reinterpret_cast<uintptr_t>(__ptr), __ctx, __specs);
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}
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__format_spec::__parser<_CharT> __parser_;
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};
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// [format.formatter.spec]/2.4
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// For each charT, the pointer type specializations template<>
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// - struct formatter<nullptr_t, charT>;
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// - template<> struct formatter<void*, charT>;
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// - template<> struct formatter<const void*, charT>;
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template <__formatter::__char_type _CharT>
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struct _LIBCPP_TEMPLATE_VIS _LIBCPP_AVAILABILITY_FORMAT formatter<nullptr_t, _CharT>
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: public __formatter_pointer<_CharT> {};
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template <__formatter::__char_type _CharT>
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struct _LIBCPP_TEMPLATE_VIS _LIBCPP_AVAILABILITY_FORMAT formatter<void*, _CharT> : public __formatter_pointer<_CharT> {
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};
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template <__formatter::__char_type _CharT>
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struct _LIBCPP_TEMPLATE_VIS _LIBCPP_AVAILABILITY_FORMAT formatter<const void*, _CharT>
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: public __formatter_pointer<_CharT> {};
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#endif //_LIBCPP_STD_VER > 17
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_LIBCPP_END_NAMESPACE_STD
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#endif // _LIBCPP___FORMAT_FORMATTER_POINTER_H
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