forked from OSchip/llvm-project
108 lines
4.4 KiB
C++
108 lines
4.4 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_INTEGER_H
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#define _LIBCPP___FORMAT_FORMATTER_INTEGER_H
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#include <__availability>
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#include <__concepts/arithmetic.h>
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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 <__type_traits/make_32_64_or_128_bit.h>
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#include <type_traits>
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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 _LIBCPP_AVAILABILITY_FORMAT __formatter_integer {
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public:
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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_integral);
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__format_spec::__process_parsed_integer(__parser_);
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return __result;
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}
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template <integral _Tp>
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_LIBCPP_HIDE_FROM_ABI auto format(_Tp __value, 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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if (__specs.__std_.__type_ == __format_spec::__type::__char)
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return __formatter::__format_char(__value, __ctx.out(), __specs);
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using _Type = __make_32_64_or_128_bit_t<_Tp>;
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static_assert(!is_same<_Type, void>::value, "unsupported integral type used in __formatter_integer::__format");
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// Reduce the number of instantiation of the integer formatter
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return __formatter::__format_integer(static_cast<_Type>(__value), __ctx, __specs);
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}
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__format_spec::__parser<_CharT> __parser_;
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};
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// Signed integral types.
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template <__formatter::__char_type _CharT>
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struct _LIBCPP_TEMPLATE_VIS _LIBCPP_AVAILABILITY_FORMAT formatter<signed char, _CharT>
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: public __formatter_integer<_CharT> {};
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template <__formatter::__char_type _CharT>
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struct _LIBCPP_TEMPLATE_VIS _LIBCPP_AVAILABILITY_FORMAT formatter<short, _CharT> : public __formatter_integer<_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<int, _CharT> : public __formatter_integer<_CharT> {};
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template <__formatter::__char_type _CharT>
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struct _LIBCPP_TEMPLATE_VIS _LIBCPP_AVAILABILITY_FORMAT formatter<long, _CharT> : public __formatter_integer<_CharT> {};
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template <__formatter::__char_type _CharT>
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struct _LIBCPP_TEMPLATE_VIS _LIBCPP_AVAILABILITY_FORMAT formatter<long long, _CharT>
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: public __formatter_integer<_CharT> {};
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# ifndef _LIBCPP_HAS_NO_INT128
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template <__formatter::__char_type _CharT>
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struct _LIBCPP_TEMPLATE_VIS _LIBCPP_AVAILABILITY_FORMAT formatter<__int128_t, _CharT>
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: public __formatter_integer<_CharT> {};
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# endif
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// Unsigned integral types.
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template <__formatter::__char_type _CharT>
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struct _LIBCPP_TEMPLATE_VIS _LIBCPP_AVAILABILITY_FORMAT formatter<unsigned char, _CharT>
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: public __formatter_integer<_CharT> {};
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template <__formatter::__char_type _CharT>
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struct _LIBCPP_TEMPLATE_VIS _LIBCPP_AVAILABILITY_FORMAT formatter<unsigned short, _CharT>
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: public __formatter_integer<_CharT> {};
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template <__formatter::__char_type _CharT>
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struct _LIBCPP_TEMPLATE_VIS _LIBCPP_AVAILABILITY_FORMAT formatter<unsigned, _CharT>
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: public __formatter_integer<_CharT> {};
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template <__formatter::__char_type _CharT>
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struct _LIBCPP_TEMPLATE_VIS _LIBCPP_AVAILABILITY_FORMAT formatter<unsigned long, _CharT>
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: public __formatter_integer<_CharT> {};
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template <__formatter::__char_type _CharT>
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struct _LIBCPP_TEMPLATE_VIS _LIBCPP_AVAILABILITY_FORMAT formatter<unsigned long long, _CharT>
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: public __formatter_integer<_CharT> {};
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# ifndef _LIBCPP_HAS_NO_INT128
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template <__formatter::__char_type _CharT>
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struct _LIBCPP_TEMPLATE_VIS _LIBCPP_AVAILABILITY_FORMAT formatter<__uint128_t, _CharT>
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: public __formatter_integer<_CharT> {};
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# endif
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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_INTEGER_H
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