mirror of
https://github.com/capstone-engine/llvm-capstone.git
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4684857abf
This adjust the version macro and sets it as completed. All parts of the paper have been implemented, except for the parts replaced by later papers and LWG-issues. Adjusted the synopsis to match the synopsis in the Standard. Not yet implemented parts of P2216 and P2418 still use the P0645 wording. Completes: - P0645 Text Formatting Depends on D115991 Reviewed By: ldionne, #libc Differential Revision: https://reviews.llvm.org/D115999
565 lines
21 KiB
C++
565 lines
21 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
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#define _LIBCPP_FORMAT
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/*
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namespace std {
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// [format.context], class template basic_format_context
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template<class Out, class charT> class basic_format_context;
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using format_context = basic_format_context<unspecified, char>;
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using wformat_context = basic_format_context<unspecified, wchar_t>;
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// [format.args], class template basic_format_args
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template<class Context> class basic_format_args;
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using format_args = basic_format_args<format_context>;
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using wformat_args = basic_format_args<wformat_context>;
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// [format.functions], formatting functions
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template<class... Args>
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string format(string_view fmt, const Args&... args);
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template<class... Args>
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wstring format(wstring_view fmt, const Args&... args);
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template<class... Args>
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string format(const locale& loc, string_view fmt, const Args&... args);
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template<class... Args>
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wstring format(const locale& loc, wstring_view fmt, const Args&... args);
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string vformat(string_view fmt, format_args args);
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wstring vformat(wstring_view fmt, wformat_args args);
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string vformat(const locale& loc, string_view fmt, format_args args);
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wstring vformat(const locale& loc, wstring_view fmt, wformat_args args);
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template<class Out, class... Args>
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Out format_to(Out out, string_view fmt, const Args&... args);
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template<class Out, class... Args>
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Out format_to(Out out, wstring_view fmt, const Args&... args);
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template<class Out, class... Args>
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Out format_to(Out out, const locale& loc, string_view fmt, const Args&... args);
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template<class Out, class... Args>
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Out format_to(Out out, const locale& loc, wstring_view fmt, const Args&... args);
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template<class Out>
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Out vformat_to(Out out, string_view fmt, format_args args);
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template<class Out>
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Out vformat_to(Out out, wstring_view fmt, wformat_args args);
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template<class Out>
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Out vformat_to(Out out, const locale& loc, string_view fmt,
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format_args char> args);
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template<class Out>
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Out vformat_to(Out out, const locale& loc, wstring_view fmt,
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wformat_args args);
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template<class Out> struct format_to_n_result {
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Out out;
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iter_difference_t<Out> size;
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};
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template<class Out, class... Args>
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format_to_n_result<Out> format_to_n(Out out, iter_difference_t<Out> n,
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string_view fmt, const Args&... args);
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template<class Out, class... Args>
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format_to_n_result<Out> format_to_n(Out out, iter_difference_t<Out> n,
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wstring_view fmt, const Args&... args);
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template<class Out, class... Args>
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format_to_n_result<Out> format_to_n(Out out, iter_difference_t<Out> n,
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const locale& loc, string_view fmt,
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const Args&... args);
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template<class Out, class... Args>
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format_to_n_result<Out> format_to_n(Out out, iter_difference_t<Out> n,
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const locale& loc, wstring_view fmt,
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const Args&... args);
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template<class... Args>
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size_t formatted_size(string_view fmt, const Args&... args);
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template<class... Args>
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size_t formatted_size(wstring_view fmt, const Args&... args);
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template<class... Args>
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size_t formatted_size(const locale& loc, string_view fmt, const Args&... args);
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template<class... Args>
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size_t formatted_size(const locale& loc, wstring_view fmt, const Args&... args);
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// [format.formatter], formatter
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template<class T, class charT = char> struct formatter;
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// [format.parse.ctx], class template basic_format_parse_context
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template<class charT> class basic_format_parse_context;
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using format_parse_context = basic_format_parse_context<char>;
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using wformat_parse_context = basic_format_parse_context<wchar_t>;
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// [format.arguments], arguments
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// [format.arg], class template basic_format_arg
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template<class Context> class basic_format_arg;
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template<class Visitor, class Context>
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see below visit_format_arg(Visitor&& vis, basic_format_arg<Context> arg);
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// [format.arg.store], class template format-arg-store
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template<class Context, class... Args> struct format-arg-store; // exposition only
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template<class Context = format_context, class... Args>
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format-arg-store<Context, Args...>
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make_format_args(const Args&... args);
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template<class... Args>
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format-arg-store<wformat_context, Args...>
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make_wformat_args(const Args&... args);
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// [format.error], class format_error
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class format_error;
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}
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*/
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// Make sure all feature-test macros are available.
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#include <version>
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// Enable the contents of the header only when libc++ was built with LIBCXX_ENABLE_INCOMPLETE_FEATURES.
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#if !defined(_LIBCPP_HAS_NO_INCOMPLETE_FORMAT)
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#include <__config>
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#include <__debug>
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#include <__format/format_arg.h>
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#include <__format/format_args.h>
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#include <__format/format_context.h>
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#include <__format/format_error.h>
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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/format_string.h>
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#include <__format/format_to_n_result.h>
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#include <__format/formatter.h>
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#include <__format/formatter_bool.h>
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#include <__format/formatter_char.h>
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#include <__format/formatter_floating_point.h>
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#include <__format/formatter_integer.h>
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#include <__format/formatter_pointer.h>
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#include <__format/formatter_string.h>
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#include <__format/parser_std_format_spec.h>
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#include <__variant/monostate.h>
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#include <array>
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#include <concepts>
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#include <string>
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#include <string_view>
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#include <type_traits>
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#ifndef _LIBCPP_HAS_NO_LOCALIZATION
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#include <locale>
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#endif
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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_PUSH_MACROS
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#include <__undef_macros>
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_LIBCPP_BEGIN_NAMESPACE_STD
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#if _LIBCPP_STD_VER > 17
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// TODO FMT Remove this once we require compilers with proper C++20 support.
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// If the compiler has no concepts support, the format header will be disabled.
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// Without concepts support enable_if needs to be used and that too much effort
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// to support compilers with partial C++20 support.
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#if !defined(_LIBCPP_HAS_NO_CONCEPTS)
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// TODO FMT Move the implementation in this file to its own granular headers.
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// TODO FMT Evaluate which templates should be external templates. This
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// improves the efficiency of the header. However since the header is still
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// under heavy development and not all classes are stable it makes no sense
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// to do this optimization now.
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using format_args = basic_format_args<format_context>;
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#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
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using wformat_args = basic_format_args<wformat_context>;
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#endif
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template <class _Context, class... _Args>
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struct _LIBCPP_TEMPLATE_VIS __format_arg_store {
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// TODO FMT Use a built-in array.
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array<basic_format_arg<_Context>, sizeof...(_Args)> __args;
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};
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template <class _Context = format_context, class... _Args>
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_LIBCPP_HIDE_FROM_ABI __format_arg_store<_Context, _Args...>
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make_format_args(const _Args&... __args) {
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return {basic_format_arg<_Context>(__args)...};
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}
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#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
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template <class... _Args>
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_LIBCPP_HIDE_FROM_ABI __format_arg_store<wformat_context, _Args...>
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make_wformat_args(const _Args&... __args) {
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return _VSTD::make_format_args<wformat_context>(__args...);
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}
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#endif
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namespace __format {
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template <class _CharT, class _ParseCtx, class _Ctx>
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_LIBCPP_HIDE_FROM_ABI const _CharT*
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__handle_replacement_field(const _CharT* __begin, const _CharT* __end,
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_ParseCtx& __parse_ctx, _Ctx& __ctx) {
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__format::__parse_number_result __r =
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__format::__parse_arg_id(__begin, __end, __parse_ctx);
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switch (*__r.__ptr) {
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case _CharT(':'):
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// The arg-id has a format-specifier, advance the input to the format-spec.
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__parse_ctx.advance_to(__r.__ptr + 1);
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break;
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case _CharT('}'):
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// The arg-id has no format-specifier.
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__parse_ctx.advance_to(__r.__ptr);
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break;
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default:
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__throw_format_error(
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"The replacement field arg-id should terminate at a ':' or '}'");
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}
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_VSTD::visit_format_arg(
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[&](auto __arg) {
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if constexpr (same_as<decltype(__arg), monostate>)
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__throw_format_error("Argument index out of bounds");
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else if constexpr (same_as<decltype(__arg), typename basic_format_arg<_Ctx>::handle>)
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__arg.format(__parse_ctx, __ctx);
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else {
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formatter<decltype(__arg), _CharT> __formatter;
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__parse_ctx.advance_to(__formatter.parse(__parse_ctx));
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__ctx.advance_to(__formatter.format(__arg, __ctx));
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}
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},
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__ctx.arg(__r.__value));
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__begin = __parse_ctx.begin();
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if (__begin == __end || *__begin != _CharT('}'))
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__throw_format_error("The replacement field misses a terminating '}'");
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return ++__begin;
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}
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template <class _ParseCtx, class _Ctx>
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_LIBCPP_HIDE_FROM_ABI typename _Ctx::iterator
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__vformat_to(_ParseCtx&& __parse_ctx, _Ctx&& __ctx) {
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using _CharT = typename _ParseCtx::char_type;
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static_assert(same_as<typename _Ctx::char_type, _CharT>);
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const _CharT* __begin = __parse_ctx.begin();
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const _CharT* __end = __parse_ctx.end();
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typename _Ctx::iterator __out_it = __ctx.out();
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while (__begin != __end) {
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switch (*__begin) {
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case _CharT('{'):
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++__begin;
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if (__begin == __end)
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__throw_format_error("The format string terminates at a '{'");
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if (*__begin != _CharT('{')) [[likely]] {
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__ctx.advance_to(_VSTD::move(__out_it));
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__begin =
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__handle_replacement_field(__begin, __end, __parse_ctx, __ctx);
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__out_it = __ctx.out();
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// The output is written and __begin points to the next character. So
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// start the next iteration.
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continue;
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}
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// The string is an escape character.
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break;
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case _CharT('}'):
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++__begin;
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if (__begin == __end || *__begin != _CharT('}'))
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__throw_format_error(
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"The format string contains an invalid escape sequence");
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break;
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}
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// Copy the character to the output verbatim.
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*__out_it++ = *__begin++;
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}
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return __out_it;
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}
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} // namespace __format
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template <class _OutIt, class _CharT, class _FormatOutIt>
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requires(output_iterator<_OutIt, const _CharT&>) _LIBCPP_HIDE_FROM_ABI _OutIt
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__vformat_to(
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_OutIt __out_it, basic_string_view<_CharT> __fmt,
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basic_format_args<basic_format_context<_FormatOutIt, _CharT>> __args) {
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if constexpr (same_as<_OutIt, _FormatOutIt>)
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return _VSTD::__format::__vformat_to(
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basic_format_parse_context{__fmt, __args.__size()},
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_VSTD::__format_context_create(_VSTD::move(__out_it), __args));
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else {
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basic_string<_CharT> __str;
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_VSTD::__format::__vformat_to(
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basic_format_parse_context{__fmt, __args.__size()},
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_VSTD::__format_context_create(_VSTD::back_inserter(__str), __args));
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return _VSTD::copy_n(__str.begin(), __str.size(), _VSTD::move(__out_it));
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}
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}
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template <output_iterator<const char&> _OutIt>
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_LIBCPP_ALWAYS_INLINE _LIBCPP_HIDE_FROM_ABI _LIBCPP_AVAILABILITY_FORMAT _OutIt
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vformat_to(_OutIt __out_it, string_view __fmt, format_args __args) {
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return _VSTD::__vformat_to(_VSTD::move(__out_it), __fmt, __args);
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}
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#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
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template <output_iterator<const wchar_t&> _OutIt>
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_LIBCPP_ALWAYS_INLINE _LIBCPP_HIDE_FROM_ABI _LIBCPP_AVAILABILITY_FORMAT _OutIt
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vformat_to(_OutIt __out_it, wstring_view __fmt, wformat_args __args) {
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return _VSTD::__vformat_to(_VSTD::move(__out_it), __fmt, __args);
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}
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#endif
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template <output_iterator<const char&> _OutIt, class... _Args>
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_LIBCPP_ALWAYS_INLINE _LIBCPP_HIDE_FROM_ABI _LIBCPP_AVAILABILITY_FORMAT _OutIt
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format_to(_OutIt __out_it, string_view __fmt, const _Args&... __args) {
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return _VSTD::vformat_to(_VSTD::move(__out_it), __fmt,
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_VSTD::make_format_args(__args...));
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}
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#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
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template <output_iterator<const wchar_t&> _OutIt, class... _Args>
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_LIBCPP_ALWAYS_INLINE _LIBCPP_HIDE_FROM_ABI _LIBCPP_AVAILABILITY_FORMAT _OutIt
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format_to(_OutIt __out_it, wstring_view __fmt, const _Args&... __args) {
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return _VSTD::vformat_to(_VSTD::move(__out_it), __fmt,
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_VSTD::make_wformat_args(__args...));
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}
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#endif
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_LIBCPP_ALWAYS_INLINE inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_AVAILABILITY_FORMAT string
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vformat(string_view __fmt, format_args __args) {
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string __res;
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_VSTD::vformat_to(_VSTD::back_inserter(__res), __fmt, __args);
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return __res;
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}
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#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
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_LIBCPP_ALWAYS_INLINE inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_AVAILABILITY_FORMAT wstring
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vformat(wstring_view __fmt, wformat_args __args) {
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wstring __res;
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_VSTD::vformat_to(_VSTD::back_inserter(__res), __fmt, __args);
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return __res;
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}
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#endif
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template <class... _Args>
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_LIBCPP_ALWAYS_INLINE _LIBCPP_HIDE_FROM_ABI _LIBCPP_AVAILABILITY_FORMAT string
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format(string_view __fmt, const _Args&... __args) {
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return _VSTD::vformat(__fmt, _VSTD::make_format_args(__args...));
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}
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#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
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template <class... _Args>
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_LIBCPP_ALWAYS_INLINE _LIBCPP_HIDE_FROM_ABI _LIBCPP_AVAILABILITY_FORMAT wstring
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format(wstring_view __fmt, const _Args&... __args) {
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return _VSTD::vformat(__fmt, _VSTD::make_wformat_args(__args...));
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}
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#endif
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template <output_iterator<const char&> _OutIt, class... _Args>
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_LIBCPP_HIDE_FROM_ABI _LIBCPP_AVAILABILITY_FORMAT format_to_n_result<_OutIt>
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format_to_n(_OutIt __out_it, iter_difference_t<_OutIt> __n, string_view __fmt,
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const _Args&... __args) {
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// TODO FMT Improve PoC: using std::string is inefficient.
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string __str = _VSTD::vformat(__fmt, _VSTD::make_format_args(__args...));
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iter_difference_t<_OutIt> __s = __str.size();
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iter_difference_t<_OutIt> __m =
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_VSTD::clamp(__n, iter_difference_t<_OutIt>(0), __s);
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__out_it = _VSTD::copy_n(__str.begin(), __m, _VSTD::move(__out_it));
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return {_VSTD::move(__out_it), __s};
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}
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#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
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template <output_iterator<const wchar_t&> _OutIt, class... _Args>
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_LIBCPP_HIDE_FROM_ABI _LIBCPP_AVAILABILITY_FORMAT format_to_n_result<_OutIt>
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format_to_n(_OutIt __out_it, iter_difference_t<_OutIt> __n, wstring_view __fmt,
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const _Args&... __args) {
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// TODO FMT Improve PoC: using std::string is inefficient.
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wstring __str = _VSTD::vformat(__fmt, _VSTD::make_wformat_args(__args...));
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iter_difference_t<_OutIt> __s = __str.size();
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iter_difference_t<_OutIt> __m =
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_VSTD::clamp(__n, iter_difference_t<_OutIt>(0), __s);
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__out_it = _VSTD::copy_n(__str.begin(), __m, _VSTD::move(__out_it));
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return {_VSTD::move(__out_it), __s};
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}
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#endif
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template <class... _Args>
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_LIBCPP_HIDE_FROM_ABI _LIBCPP_AVAILABILITY_FORMAT size_t
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formatted_size(string_view __fmt, const _Args&... __args) {
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// TODO FMT Improve PoC: using std::string is inefficient.
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return _VSTD::vformat(__fmt, _VSTD::make_format_args(__args...)).size();
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}
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#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
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template <class... _Args>
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_LIBCPP_HIDE_FROM_ABI _LIBCPP_AVAILABILITY_FORMAT size_t
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formatted_size(wstring_view __fmt, const _Args&... __args) {
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// TODO FMT Improve PoC: using std::string is inefficient.
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return _VSTD::vformat(__fmt, _VSTD::make_wformat_args(__args...)).size();
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}
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#endif
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#ifndef _LIBCPP_HAS_NO_LOCALIZATION
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template <class _OutIt, class _CharT, class _FormatOutIt>
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requires(output_iterator<_OutIt, const _CharT&>) _LIBCPP_HIDE_FROM_ABI _OutIt
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__vformat_to(
|
|
_OutIt __out_it, locale __loc, basic_string_view<_CharT> __fmt,
|
|
basic_format_args<basic_format_context<_FormatOutIt, _CharT>> __args) {
|
|
if constexpr (same_as<_OutIt, _FormatOutIt>)
|
|
return _VSTD::__format::__vformat_to(
|
|
basic_format_parse_context{__fmt, __args.__size()},
|
|
_VSTD::__format_context_create(_VSTD::move(__out_it), __args,
|
|
_VSTD::move(__loc)));
|
|
else {
|
|
basic_string<_CharT> __str;
|
|
_VSTD::__format::__vformat_to(
|
|
basic_format_parse_context{__fmt, __args.__size()},
|
|
_VSTD::__format_context_create(_VSTD::back_inserter(__str), __args,
|
|
_VSTD::move(__loc)));
|
|
return _VSTD::copy_n(__str.begin(), __str.size(), _VSTD::move(__out_it));
|
|
}
|
|
}
|
|
|
|
template <output_iterator<const char&> _OutIt>
|
|
_LIBCPP_ALWAYS_INLINE _LIBCPP_HIDE_FROM_ABI _LIBCPP_AVAILABILITY_FORMAT _OutIt vformat_to(
|
|
_OutIt __out_it, locale __loc, string_view __fmt, format_args __args) {
|
|
return _VSTD::__vformat_to(_VSTD::move(__out_it), _VSTD::move(__loc), __fmt,
|
|
__args);
|
|
}
|
|
|
|
#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
|
|
template <output_iterator<const wchar_t&> _OutIt>
|
|
_LIBCPP_ALWAYS_INLINE _LIBCPP_HIDE_FROM_ABI _LIBCPP_AVAILABILITY_FORMAT _OutIt vformat_to(
|
|
_OutIt __out_it, locale __loc, wstring_view __fmt, wformat_args __args) {
|
|
return _VSTD::__vformat_to(_VSTD::move(__out_it), _VSTD::move(__loc), __fmt,
|
|
__args);
|
|
}
|
|
#endif
|
|
|
|
template <output_iterator<const char&> _OutIt, class... _Args>
|
|
_LIBCPP_ALWAYS_INLINE _LIBCPP_HIDE_FROM_ABI _LIBCPP_AVAILABILITY_FORMAT _OutIt format_to(
|
|
_OutIt __out_it, locale __loc, string_view __fmt, const _Args&... __args) {
|
|
return _VSTD::vformat_to(_VSTD::move(__out_it), _VSTD::move(__loc), __fmt,
|
|
_VSTD::make_format_args(__args...));
|
|
}
|
|
|
|
#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
|
|
template <output_iterator<const wchar_t&> _OutIt, class... _Args>
|
|
_LIBCPP_ALWAYS_INLINE _LIBCPP_HIDE_FROM_ABI _LIBCPP_AVAILABILITY_FORMAT _OutIt format_to(
|
|
_OutIt __out_it, locale __loc, wstring_view __fmt, const _Args&... __args) {
|
|
return _VSTD::vformat_to(_VSTD::move(__out_it), _VSTD::move(__loc), __fmt,
|
|
_VSTD::make_wformat_args(__args...));
|
|
}
|
|
#endif
|
|
|
|
_LIBCPP_ALWAYS_INLINE inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_AVAILABILITY_FORMAT string
|
|
vformat(locale __loc, string_view __fmt, format_args __args) {
|
|
string __res;
|
|
_VSTD::vformat_to(_VSTD::back_inserter(__res), _VSTD::move(__loc), __fmt,
|
|
__args);
|
|
return __res;
|
|
}
|
|
|
|
#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
|
|
_LIBCPP_ALWAYS_INLINE inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_AVAILABILITY_FORMAT wstring
|
|
vformat(locale __loc, wstring_view __fmt, wformat_args __args) {
|
|
wstring __res;
|
|
_VSTD::vformat_to(_VSTD::back_inserter(__res), _VSTD::move(__loc), __fmt,
|
|
__args);
|
|
return __res;
|
|
}
|
|
#endif
|
|
|
|
template <class... _Args>
|
|
_LIBCPP_ALWAYS_INLINE _LIBCPP_HIDE_FROM_ABI _LIBCPP_AVAILABILITY_FORMAT string
|
|
format(locale __loc, string_view __fmt, const _Args&... __args) {
|
|
return _VSTD::vformat(_VSTD::move(__loc), __fmt,
|
|
_VSTD::make_format_args(__args...));
|
|
}
|
|
|
|
#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
|
|
template <class... _Args>
|
|
_LIBCPP_ALWAYS_INLINE _LIBCPP_HIDE_FROM_ABI _LIBCPP_AVAILABILITY_FORMAT wstring
|
|
format(locale __loc, wstring_view __fmt, const _Args&... __args) {
|
|
return _VSTD::vformat(_VSTD::move(__loc), __fmt,
|
|
_VSTD::make_wformat_args(__args...));
|
|
}
|
|
#endif
|
|
|
|
template <output_iterator<const char&> _OutIt, class... _Args>
|
|
_LIBCPP_HIDE_FROM_ABI _LIBCPP_AVAILABILITY_FORMAT format_to_n_result<_OutIt>
|
|
format_to_n(_OutIt __out_it, iter_difference_t<_OutIt> __n, locale __loc,
|
|
string_view __fmt, const _Args&... __args) {
|
|
// TODO FMT Improve PoC: using std::string is inefficient.
|
|
string __str = _VSTD::vformat(_VSTD::move(__loc), __fmt,
|
|
_VSTD::make_format_args(__args...));
|
|
iter_difference_t<_OutIt> __s = __str.size();
|
|
iter_difference_t<_OutIt> __m =
|
|
_VSTD::clamp(__n, iter_difference_t<_OutIt>(0), __s);
|
|
__out_it = _VSTD::copy_n(__str.begin(), __m, _VSTD::move(__out_it));
|
|
return {_VSTD::move(__out_it), __s};
|
|
}
|
|
|
|
#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
|
|
template <output_iterator<const wchar_t&> _OutIt, class... _Args>
|
|
_LIBCPP_HIDE_FROM_ABI _LIBCPP_AVAILABILITY_FORMAT format_to_n_result<_OutIt>
|
|
format_to_n(_OutIt __out_it, iter_difference_t<_OutIt> __n, locale __loc,
|
|
wstring_view __fmt, const _Args&... __args) {
|
|
// TODO FMT Improve PoC: using std::string is inefficient.
|
|
wstring __str = _VSTD::vformat(_VSTD::move(__loc), __fmt,
|
|
_VSTD::make_wformat_args(__args...));
|
|
iter_difference_t<_OutIt> __s = __str.size();
|
|
iter_difference_t<_OutIt> __m =
|
|
_VSTD::clamp(__n, iter_difference_t<_OutIt>(0), __s);
|
|
__out_it = _VSTD::copy_n(__str.begin(), __m, _VSTD::move(__out_it));
|
|
return {_VSTD::move(__out_it), __s};
|
|
}
|
|
#endif
|
|
|
|
template <class... _Args>
|
|
_LIBCPP_HIDE_FROM_ABI _LIBCPP_AVAILABILITY_FORMAT size_t
|
|
formatted_size(locale __loc, string_view __fmt, const _Args&... __args) {
|
|
// TODO FMT Improve PoC: using std::string is inefficient.
|
|
return _VSTD::vformat(_VSTD::move(__loc), __fmt,
|
|
_VSTD::make_format_args(__args...))
|
|
.size();
|
|
}
|
|
|
|
#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
|
|
template <class... _Args>
|
|
_LIBCPP_HIDE_FROM_ABI _LIBCPP_AVAILABILITY_FORMAT size_t
|
|
formatted_size(locale __loc, wstring_view __fmt, const _Args&... __args) {
|
|
// TODO FMT Improve PoC: using std::string is inefficient.
|
|
return _VSTD::vformat(_VSTD::move(__loc), __fmt,
|
|
_VSTD::make_wformat_args(__args...))
|
|
.size();
|
|
}
|
|
#endif
|
|
|
|
#endif // _LIBCPP_HAS_NO_LOCALIZATION
|
|
|
|
#endif // !defined(_LIBCPP_HAS_NO_CONCEPTS)
|
|
#endif //_LIBCPP_STD_VER > 17
|
|
|
|
_LIBCPP_END_NAMESPACE_STD
|
|
|
|
_LIBCPP_POP_MACROS
|
|
|
|
#endif // !defined(_LIBCPP_HAS_NO_INCOMPLETE_FORMAT)
|
|
|
|
#endif // _LIBCPP_FORMAT
|