diff --git a/src/cmd/pr.cpp b/src/cmd/pr.cpp index 4754875..bb96233 100644 --- a/src/cmd/pr.cpp +++ b/src/cmd/pr.cpp @@ -116,13 +116,13 @@ namespace mob { if (!task) return 1; - u8cout << "checking out pr " << pr.number << " " - << "in " << task->name() << "\n"; + u8cout << "checking out pr " << pr.number << " " << "in " + << task->name() << "\n"; git_wrap g(task->source_path()); g.fetch(task->git_url().string(), - fmt::format("pull/{}/head", pr.number)); + std::format("pull/{}/head", pr.number)); g.checkout("FETCH_HEAD"); } @@ -208,13 +208,10 @@ namespace mob { { nlohmann::json json; - constexpr auto* pattern = - "https://api.github.com/search/issues?per_page=100&q=" - "is:pr+org:{org:}+author:{author:}+is:open+head:{branch:}"; + constexpr auto* pattern = "https://api.github.com/search/issues?per_page=100&q=" + "is:pr+org:{0:}+author:{1:}+is:open+head:{2:}"; - const auto search_url = - fmt::format(pattern, fmt::arg("org", org), fmt::arg("author", author), - fmt::arg("branch", branch)); + const auto search_url = std::format(pattern, org, author, branch); u8cout << "search url is " << search_url << "\n"; @@ -275,7 +272,7 @@ namespace mob { return {}; } - const url u(fmt::format("https://api.github.com/repos/{}/{}/pulls/{}", + const url u(std::format("https://api.github.com/repos/{}/{}/pulls/{}", task->org(), task->repo(), pr)); curl_downloader dl; diff --git a/src/cmd/release.cpp b/src/cmd/release.cpp index 0086755..31691b4 100644 --- a/src/cmd/release.cpp +++ b/src/cmd/release.cpp @@ -367,7 +367,7 @@ namespace mob { } const auto q = - fmt::format("prefix {} already exists, delete?", path_to_utf8(prefix)); + std::format("prefix {} already exists, delete?", path_to_utf8(prefix)); if (ask_yes_no(q, yn::no) != yn::yes) return false; @@ -489,7 +489,7 @@ namespace mob { const auto* lcp = static_cast(value_pointer); const auto sub_block = - fmt::format(L"\\StringFileInfo\\{:04x}{:04x}\\FileVersion", lcp->wLanguage, + std::format(L"\\StringFileInfo\\{:04x}{:04x}\\FileVersion", lcp->wLanguage, lcp->wCodePage); ret = VerQueryValueW(buffer.get(), sub_block.c_str(), &value_pointer, diff --git a/src/core/context.cpp b/src/core/context.cpp index 538d627..7cb3a66 100644 --- a/src/core/context.cpp +++ b/src/core/context.cpp @@ -5,25 +5,6 @@ #include "../utility.h" #include "conf.h" -namespace mob::details { - - std::string converter::convert(const std::wstring& s) - { - return utf16_to_utf8(s); - } - - std::string converter::convert(const fs::path& s) - { - return utf16_to_utf8(s.native()); - } - - std::string converter::convert(const url& u) - { - return u.string(); - } - -} // namespace mob::details - namespace mob { // timestamps are relative to this diff --git a/src/core/context.h b/src/core/context.h index 7630598..b2782e4 100644 --- a/src/core/context.h +++ b/src/core/context.h @@ -1,45 +1,7 @@ #pragma once #include "../utility.h" - -// T to std::string converters -// -// those are kept in this namespace so they don't leak all over the place; -// they're used directly by context::do_log() below - -namespace mob::details { - - class mob::url; - - template - struct converter { - static const T& convert(const T& t) { return t; } - }; - - template <> - struct converter { - static std::string convert(const std::wstring& s); - }; - - template <> - struct converter { - static std::string convert(const fs::path& s); - }; - - template <> - struct converter { - static std::string convert(const url& u); - }; - - template - struct converter>> { - static std::string convert(T e) - { - return std::to_string(static_cast>(e)); - } - }; - -} // namespace mob::details +#include "./formatters.h" namespace mob { @@ -57,7 +19,7 @@ namespace mob { // in places where there is no context available, there's a global one can that // be retrieved with gcx() for logging // - // all log functions will use fmt::format() internally, so they can be used + // all log functions will use std::format() internally, so they can be used // like: // // cx.log(context::generic, "eat more {}", "potatoes"); @@ -161,7 +123,7 @@ namespace mob { // logs a formatted string with the dump level // template - void dump(reason r, const char* f, Args&&... args) const + void dump(reason r, std::format_string f, Args&&... args) const { do_log(false, r, level::dump, f, std::forward(args)...); } @@ -169,7 +131,7 @@ namespace mob { // logs a formatted string with the trace level // template - void trace(reason r, const char* f, Args&&... args) const + void trace(reason r, std::format_string f, Args&&... args) const { do_log(false, r, level::trace, f, std::forward(args)...); } @@ -177,7 +139,7 @@ namespace mob { // logs a formatted string with the debug level // template - void debug(reason r, const char* f, Args&&... args) const + void debug(reason r, std::format_string f, Args&&... args) const { do_log(false, r, level::debug, f, std::forward(args)...); } @@ -185,7 +147,7 @@ namespace mob { // logs a formatted string with the info level // template - void info(reason r, const char* f, Args&&... args) const + void info(reason r, std::format_string f, Args&&... args) const { do_log(false, r, level::info, f, std::forward(args)...); } @@ -193,7 +155,7 @@ namespace mob { // logs a formatted string with the warning level // template - void warning(reason r, const char* f, Args&&... args) const + void warning(reason r, std::format_string f, Args&&... args) const { do_log(false, r, level::warning, f, std::forward(args)...); } @@ -201,7 +163,7 @@ namespace mob { // logs a formatted string with the error level // template - void error(reason r, const char* f, Args&&... args) const + void error(reason r, std::format_string f, Args&&... args) const { do_log(false, r, level::error, f, std::forward(args)...); } @@ -211,7 +173,8 @@ namespace mob { // tasks // template - [[noreturn]] void bail_out(reason r, const char* f, Args&&... args) const + [[noreturn]] void bail_out(reason r, std::format_string f, + Args&&... args) const { do_log(true, r, level::error, f, std::forward(args)...); } @@ -227,7 +190,8 @@ namespace mob { // bailed exception after logging // template - void do_log(bool bail, reason r, level lv, const char* f, Args&&... args) const + void do_log(bool bail, reason r, level lv, std::format_string f, + Args&&... args) const { // discard log if it's not enabled and it's not bailing out if (!bail && !enabled(lv)) @@ -235,9 +199,7 @@ namespace mob { try { // formatting string - const std::string s = - fmt::format(f, details::converter>::convert( - std::forward(args))...); + const std::string s = std::format(f, std::forward(args)...); do_log_impl(bail, r, lv, s); } @@ -253,7 +215,7 @@ namespace mob { // a ghetto conversion and hope it gives enough info std::wstring s; - const char* p = f; + const char* p = f.get().data(); while (*p) { s += (wchar_t)*p; ++p; diff --git a/src/core/formatters.h b/src/core/formatters.h new file mode 100644 index 0000000..6b0b14d --- /dev/null +++ b/src/core/formatters.h @@ -0,0 +1,35 @@ +#pragma once + +#include "../utility/string.h" + +template <> +struct std::formatter : std::formatter { + template + FmtContext::iterator format(std::wstring const& s, FmtContext& ctx) const + { + return std::formatter::format(mob::utf16_to_utf8(s), ctx); + } +}; + +template <> +struct std::formatter + : std::formatter, char> { + template + FmtContext::iterator format(std::filesystem::path const& s, FmtContext& ctx) const + { + return std::formatter, + char>::format(s.native(), ctx); + } +}; + +template + requires std::is_enum_v +struct std::formatter + : std::formatter, CharT> { + template + FmtContext::iterator format(Enum v, FmtContext& ctx) const + { + return std::formatter, CharT>::format( + static_cast>(v), ctx); + } +}; diff --git a/src/core/ini.cpp b/src/core/ini.cpp index 3378168..7fd1a5f 100644 --- a/src/core/ini.cpp +++ b/src/core/ini.cpp @@ -10,11 +10,11 @@ namespace mob { template - void ini_error(const ini_data& ini, std::size_t line, std::string_view f, + void ini_error(const ini_data& ini, std::size_t line, std::format_string f, Args&&... args) { gcx().bail_out(context::conf, "{}:{}: {}", path_to_utf8(ini.path), (line + 1), - fmt::format(f, std::forward(args)...)); + std::format(f, std::forward(args)...)); } ini_data::kv_map& ini_data::get_section(std::string_view name) diff --git a/src/core/paths.cpp b/src/core/paths.cpp index 8595aa5..8652459 100644 --- a/src/core/paths.cpp +++ b/src/core/paths.cpp @@ -326,7 +326,7 @@ namespace mob { // check known installation paths for a bunch of versions for (int v : {5, 6, 7, 8}) { - const fs::path inno_dir = fmt::format("Inno Setup {}", v); + const fs::path inno_dir = std::format("Inno Setup {}", v); // check for both architectures for (fs::path pf : {conf().path().pf_x86(), conf().path().pf_x64()}) { diff --git a/src/main.cpp b/src/main.cpp index e75d7c5..4c74d3f 100644 --- a/src/main.cpp +++ b/src/main.cpp @@ -29,7 +29,6 @@ namespace mob { add_task() .add_task() .add_task() - .add_task() .add_task() .add_task() .add_task() diff --git a/src/net.h b/src/net.h index 8619546..bffacbf 100644 --- a/src/net.h +++ b/src/net.h @@ -115,3 +115,12 @@ namespace mob { }; } // namespace mob + +template <> +struct std::formatter : std::formatter { + template + FmtContext::iterator format(mob::url const& u, FmtContext& ctx) const + { + return std::formatter::format(u.string(), ctx); + } +}; diff --git a/src/pch.cpp b/src/pch.cpp index c290acb..1d9f38c 100644 --- a/src/pch.cpp +++ b/src/pch.cpp @@ -1,2 +1 @@ #include "pch.h" -#include diff --git a/src/pch.h b/src/pch.h index d90b5b3..15bf459 100644 --- a/src/pch.h +++ b/src/pch.h @@ -48,6 +48,7 @@ #include #include #include +#include #include #include #include @@ -69,7 +70,6 @@ #include #include -#include #include #pragma warning(pop) diff --git a/src/tasks/fmt.cpp b/src/tasks/fmt.cpp deleted file mode 100644 index f910e5e..0000000 --- a/src/tasks/fmt.cpp +++ /dev/null @@ -1,94 +0,0 @@ -#include "pch.h" -#include "tasks.h" - -namespace mob::tasks { - - namespace { - - url source_url() - { - return "https://github.com/fmtlib/fmt/releases/download/" + fmt::version() + - "/fmt-" + fmt::version() + ".zip"; - } - - cmake create_cmake_tool(const fs::path& src_path, - cmake::ops o = cmake::ops::generate) - { - return std::move(cmake(o) - .generator(cmake::vs) - .root(src_path) - .prefix(src_path / "build") - .def("FMT_TEST", "OFF") - .def("FMT_DOC", "OFF")); - } - - fs::path solution_path() - { - const auto build_path = create_cmake_tool(fmt::source_path()).build_path(); - - return build_path / "INSTALL.vcxproj"; - } - - msbuild create_msbuild_tool(msbuild::ops o = msbuild::ops::build) - { - return std::move(msbuild(o).solution(solution_path())); - } - - } // namespace - - fmt::fmt() : basic_task("fmt") {} - - std::string fmt::version() - { - return conf().version().get("fmt"); - } - - bool fmt::prebuilt() - { - // no prebuilts available - return false; - } - - fs::path fmt::source_path() - { - return conf().path().build() / ("fmt-" + version()); - } - - void fmt::do_clean(clean c) - { - // delete download - if (is_set(c, clean::redownload)) - run_tool(downloader(source_url(), downloader::clean)); - - // delete the whole directory - if (is_set(c, clean::reextract)) { - cx().trace(context::reextract, "deleting {}", source_path()); - op::delete_directory(cx(), source_path(), op::optional); - - // no need to do anything else - return; - } - - // cmake clean - if (is_set(c, clean::reconfigure)) - run_tool(create_cmake_tool(source_path(), cmake::clean)); - - // msbuild clean - if (is_set(c, clean::rebuild)) - run_tool(create_msbuild_tool(msbuild::clean)); - } - - void fmt::do_fetch() - { - const auto file = run_tool(downloader(source_url())); - - run_tool(extractor().file(file).output(source_path())); - } - - void fmt::do_build_and_install() - { - run_tool(create_cmake_tool(source_path())); - run_tool(create_msbuild_tool()); - } - -} // namespace mob::tasks diff --git a/src/tasks/modorganizer.cpp b/src/tasks/modorganizer.cpp index 686f905..af288c3 100644 --- a/src/tasks/modorganizer.cpp +++ b/src/tasks/modorganizer.cpp @@ -211,7 +211,6 @@ namespace mob::tasks { .def("DEPENDENCIES_DIR", conf().path().build()) .def("BOOST_ROOT", boost::source_path()) .def("BOOST_LIBRARYDIR", boost::lib_path(arch::x64)) - .def("FMT_ROOT", fmt::source_path()) .def("SPDLOG_ROOT", spdlog::source_path()) .def("LOOT_PATH", libloot::source_path()) .def("LZ4_ROOT", lz4::source_path()) diff --git a/src/tasks/tasks.h b/src/tasks/tasks.h index 55a12f3..06b67ae 100644 --- a/src/tasks/tasks.h +++ b/src/tasks/tasks.h @@ -90,20 +90,6 @@ namespace mob::tasks { void do_fetch() override; }; - class fmt : public basic_task { - public: - fmt(); - - static std::string version(); - static bool prebuilt(); - static fs::path source_path(); - - protected: - void do_clean(clean c) override; - void do_fetch() override; - void do_build_and_install() override; - }; - class gtest : public basic_task { public: gtest(); diff --git a/src/tasks/translations.cpp b/src/tasks/translations.cpp index dac500a..bc29c50 100644 --- a/src/tasks/translations.cpp +++ b/src/tasks/translations.cpp @@ -135,7 +135,7 @@ namespace mob::tasks { if (dir_cs.size() != 2) { warnings_.push_back( - ::fmt::format("bad directory name '{}'; skipping", dir_name)); + ::std::format("bad directory name '{}'; skipping", dir_name)); return {}; } @@ -143,7 +143,7 @@ namespace mob::tasks { const auto project_name = trim_copy(dir_cs[1]); if (project_name.empty()) { warnings_.push_back( - ::fmt::format("bad directory name '{}', skipping", dir_name)); + ::std::format("bad directory name '{}', skipping", dir_name)); return {}; } @@ -162,7 +162,7 @@ namespace mob::tasks { // there should only be .ts files in there if (path.extension() != ".ts") { warnings_.push_back( - ::fmt::format("{} is not a .ts file", path_to_utf8(path))); + ::std::format("{} is not a .ts file", path_to_utf8(path))); continue; } @@ -204,7 +204,7 @@ namespace mob::tasks { if (!warned_.contains(gamebryo_ts)) { warned_.insert(gamebryo_ts); - warnings_.push_back(::fmt::format( + warnings_.push_back(::std::format( "{} is a gamebryo plugin but there is no '{}'; the " ".qm file will be missing some translations (will " "only warn once)", @@ -223,7 +223,7 @@ namespace mob::tasks { if (!t) { warnings_.push_back( - ::fmt::format("directory '{}' was parsed as project '{}', but there's " + ::std::format("directory '{}' was parsed as project '{}', but there's " "no task with this name", dir, project)); diff --git a/src/tools/git.cpp b/src/tools/git.cpp index 8be2307..aaaea64 100644 --- a/src/tools/git.cpp +++ b/src/tools/git.cpp @@ -27,14 +27,11 @@ namespace mob::details { // returns a github url for the given org and git file // std::string make_url(const std::string& org, const std::string& git_file, - const std::string& url_pattern) + std::optional url_pattern) { - const std::string default_github_url_pattern = "git@github.com:{}/{}"; - - const std::string pattern = - url_pattern.empty() ? default_github_url_pattern : url_pattern; - - return fmt::format(pattern, org, git_file); + return std::format( + url_pattern.value_or(git_url_pattern_format_string{"git@github.com:{}/{}"}), + org, git_file); } // creates a basic git process, used by all the functions below @@ -412,14 +409,13 @@ namespace mob { return (run(details::has_remote(root_, name)) == 0); } - void git_wrap::add_remote(const std::string& remote_name, - const std::string& username, const std::string& key, - bool push_default, const std::string& url_pattern, - const std::string& opt_git_file) + void git_wrap::add_remote( + const std::string& remote_name, const std::string& username, + const std::string& key, bool push_default, + std::optional url_pattern, + std::optional opt_git_file) { - auto gf = opt_git_file; - if (gf.empty()) - gf = git_file(); + auto gf = opt_git_file.value_or(git_file()); if (!has_remote(remote_name)) { run(details::add_remote(root_, remote_name, diff --git a/src/tools/git.h b/src/tools/git.h index 8e960ca..2f28f47 100644 --- a/src/tools/git.h +++ b/src/tools/git.h @@ -2,6 +2,11 @@ namespace mob { + namespace details { + using git_url_pattern_format_string = + std::format_string; + } + // wrapper around git commands used by the git tool below or various `mob git` // commands // @@ -102,10 +107,11 @@ namespace mob { // set_origin_and_upstream_remotes() because the "origin" // remote might not exist at that point // - void add_remote(const std::string& remote_name, const std::string& org, - const std::string& key, bool push_default, - const std::string& url_pattern = {}, - const std::string& git_file = {}); + void add_remote( + const std::string& remote_name, const std::string& org, + const std::string& key, bool push_default, + std::optional url_pattern = {}, + std::optional git_file = {}); // renames remote `from` to `to` // diff --git a/third-party/include/fmt/chrono.h b/third-party/include/fmt/chrono.h deleted file mode 100644 index 421d464..0000000 --- a/third-party/include/fmt/chrono.h +++ /dev/null @@ -1,1119 +0,0 @@ -// Formatting library for C++ - chrono support -// -// Copyright (c) 2012 - present, Victor Zverovich -// All rights reserved. -// -// For the license information refer to format.h. - -#ifndef FMT_CHRONO_H_ -#define FMT_CHRONO_H_ - -#include -#include -#include -#include - -#include "format.h" -#include "locale.h" - -FMT_BEGIN_NAMESPACE - -// Enable safe chrono durations, unless explicitly disabled. -#ifndef FMT_SAFE_DURATION_CAST -# define FMT_SAFE_DURATION_CAST 1 -#endif -#if FMT_SAFE_DURATION_CAST - -// For conversion between std::chrono::durations without undefined -// behaviour or erroneous results. -// This is a stripped down version of duration_cast, for inclusion in fmt. -// See https://github.com/pauldreik/safe_duration_cast -// -// Copyright Paul Dreik 2019 -namespace safe_duration_cast { - -template ::value && - std::numeric_limits::is_signed == - std::numeric_limits::is_signed)> -FMT_CONSTEXPR To lossless_integral_conversion(const From from, int& ec) { - ec = 0; - using F = std::numeric_limits; - using T = std::numeric_limits; - static_assert(F::is_integer, "From must be integral"); - static_assert(T::is_integer, "To must be integral"); - - // A and B are both signed, or both unsigned. - if (F::digits <= T::digits) { - // From fits in To without any problem. - } else { - // From does not always fit in To, resort to a dynamic check. - if (from < T::min() || from > T::max()) { - // outside range. - ec = 1; - return {}; - } - } - return static_cast(from); -} - -/** - * converts From to To, without loss. If the dynamic value of from - * can't be converted to To without loss, ec is set. - */ -template ::value && - std::numeric_limits::is_signed != - std::numeric_limits::is_signed)> -FMT_CONSTEXPR To lossless_integral_conversion(const From from, int& ec) { - ec = 0; - using F = std::numeric_limits; - using T = std::numeric_limits; - static_assert(F::is_integer, "From must be integral"); - static_assert(T::is_integer, "To must be integral"); - - if (F::is_signed && !T::is_signed) { - // From may be negative, not allowed! - if (fmt::internal::is_negative(from)) { - ec = 1; - return {}; - } - - // From is positive. Can it always fit in To? - if (F::digits <= T::digits) { - // yes, From always fits in To. - } else { - // from may not fit in To, we have to do a dynamic check - if (from > static_cast(T::max())) { - ec = 1; - return {}; - } - } - } - - if (!F::is_signed && T::is_signed) { - // can from be held in To? - if (F::digits < T::digits) { - // yes, From always fits in To. - } else { - // from may not fit in To, we have to do a dynamic check - if (from > static_cast(T::max())) { - // outside range. - ec = 1; - return {}; - } - } - } - - // reaching here means all is ok for lossless conversion. - return static_cast(from); - -} // function - -template ::value)> -FMT_CONSTEXPR To lossless_integral_conversion(const From from, int& ec) { - ec = 0; - return from; -} // function - -// clang-format off -/** - * converts From to To if possible, otherwise ec is set. - * - * input | output - * ---------------------------------|--------------- - * NaN | NaN - * Inf | Inf - * normal, fits in output | converted (possibly lossy) - * normal, does not fit in output | ec is set - * subnormal | best effort - * -Inf | -Inf - */ -// clang-format on -template ::value)> -FMT_CONSTEXPR To safe_float_conversion(const From from, int& ec) { - ec = 0; - using T = std::numeric_limits; - static_assert(std::is_floating_point::value, "From must be floating"); - static_assert(std::is_floating_point::value, "To must be floating"); - - // catch the only happy case - if (std::isfinite(from)) { - if (from >= T::lowest() && from <= T::max()) { - return static_cast(from); - } - // not within range. - ec = 1; - return {}; - } - - // nan and inf will be preserved - return static_cast(from); -} // function - -template ::value)> -FMT_CONSTEXPR To safe_float_conversion(const From from, int& ec) { - ec = 0; - static_assert(std::is_floating_point::value, "From must be floating"); - return from; -} - -/** - * safe duration cast between integral durations - */ -template ::value), - FMT_ENABLE_IF(std::is_integral::value)> -To safe_duration_cast(std::chrono::duration from, - int& ec) { - using From = std::chrono::duration; - ec = 0; - // the basic idea is that we need to convert from count() in the from type - // to count() in the To type, by multiplying it with this: - struct Factor - : std::ratio_divide {}; - - static_assert(Factor::num > 0, "num must be positive"); - static_assert(Factor::den > 0, "den must be positive"); - - // the conversion is like this: multiply from.count() with Factor::num - // /Factor::den and convert it to To::rep, all this without - // overflow/underflow. let's start by finding a suitable type that can hold - // both To, From and Factor::num - using IntermediateRep = - typename std::common_type::type; - - // safe conversion to IntermediateRep - IntermediateRep count = - lossless_integral_conversion(from.count(), ec); - if (ec) { - return {}; - } - // multiply with Factor::num without overflow or underflow - if (Factor::num != 1) { - const auto max1 = internal::max_value() / Factor::num; - if (count > max1) { - ec = 1; - return {}; - } - const auto min1 = std::numeric_limits::min() / Factor::num; - if (count < min1) { - ec = 1; - return {}; - } - count *= Factor::num; - } - - // this can't go wrong, right? den>0 is checked earlier. - if (Factor::den != 1) { - count /= Factor::den; - } - // convert to the to type, safely - using ToRep = typename To::rep; - const ToRep tocount = lossless_integral_conversion(count, ec); - if (ec) { - return {}; - } - return To{tocount}; -} - -/** - * safe duration_cast between floating point durations - */ -template ::value), - FMT_ENABLE_IF(std::is_floating_point::value)> -To safe_duration_cast(std::chrono::duration from, - int& ec) { - using From = std::chrono::duration; - ec = 0; - if (std::isnan(from.count())) { - // nan in, gives nan out. easy. - return To{std::numeric_limits::quiet_NaN()}; - } - // maybe we should also check if from is denormal, and decide what to do about - // it. - - // +-inf should be preserved. - if (std::isinf(from.count())) { - return To{from.count()}; - } - - // the basic idea is that we need to convert from count() in the from type - // to count() in the To type, by multiplying it with this: - struct Factor - : std::ratio_divide {}; - - static_assert(Factor::num > 0, "num must be positive"); - static_assert(Factor::den > 0, "den must be positive"); - - // the conversion is like this: multiply from.count() with Factor::num - // /Factor::den and convert it to To::rep, all this without - // overflow/underflow. let's start by finding a suitable type that can hold - // both To, From and Factor::num - using IntermediateRep = - typename std::common_type::type; - - // force conversion of From::rep -> IntermediateRep to be safe, - // even if it will never happen be narrowing in this context. - IntermediateRep count = - safe_float_conversion(from.count(), ec); - if (ec) { - return {}; - } - - // multiply with Factor::num without overflow or underflow - if (Factor::num != 1) { - constexpr auto max1 = internal::max_value() / - static_cast(Factor::num); - if (count > max1) { - ec = 1; - return {}; - } - constexpr auto min1 = std::numeric_limits::lowest() / - static_cast(Factor::num); - if (count < min1) { - ec = 1; - return {}; - } - count *= static_cast(Factor::num); - } - - // this can't go wrong, right? den>0 is checked earlier. - if (Factor::den != 1) { - using common_t = typename std::common_type::type; - count /= static_cast(Factor::den); - } - - // convert to the to type, safely - using ToRep = typename To::rep; - - const ToRep tocount = safe_float_conversion(count, ec); - if (ec) { - return {}; - } - return To{tocount}; -} -} // namespace safe_duration_cast -#endif - -// Prevents expansion of a preceding token as a function-style macro. -// Usage: f FMT_NOMACRO() -#define FMT_NOMACRO - -namespace internal { -inline null<> localtime_r FMT_NOMACRO(...) { return null<>(); } -inline null<> localtime_s(...) { return null<>(); } -inline null<> gmtime_r(...) { return null<>(); } -inline null<> gmtime_s(...) { return null<>(); } -} // namespace internal - -// Thread-safe replacement for std::localtime -inline std::tm localtime(std::time_t time) { - struct dispatcher { - std::time_t time_; - std::tm tm_; - - dispatcher(std::time_t t) : time_(t) {} - - bool run() { - using namespace fmt::internal; - return handle(localtime_r(&time_, &tm_)); - } - - bool handle(std::tm* tm) { return tm != nullptr; } - - bool handle(internal::null<>) { - using namespace fmt::internal; - return fallback(localtime_s(&tm_, &time_)); - } - - bool fallback(int res) { return res == 0; } - -#if !FMT_MSC_VER - bool fallback(internal::null<>) { - using namespace fmt::internal; - std::tm* tm = std::localtime(&time_); - if (tm) tm_ = *tm; - return tm != nullptr; - } -#endif - }; - dispatcher lt(time); - // Too big time values may be unsupported. - if (!lt.run()) FMT_THROW(format_error("time_t value out of range")); - return lt.tm_; -} - -// Thread-safe replacement for std::gmtime -inline std::tm gmtime(std::time_t time) { - struct dispatcher { - std::time_t time_; - std::tm tm_; - - dispatcher(std::time_t t) : time_(t) {} - - bool run() { - using namespace fmt::internal; - return handle(gmtime_r(&time_, &tm_)); - } - - bool handle(std::tm* tm) { return tm != nullptr; } - - bool handle(internal::null<>) { - using namespace fmt::internal; - return fallback(gmtime_s(&tm_, &time_)); - } - - bool fallback(int res) { return res == 0; } - -#if !FMT_MSC_VER - bool fallback(internal::null<>) { - std::tm* tm = std::gmtime(&time_); - if (tm) tm_ = *tm; - return tm != nullptr; - } -#endif - }; - dispatcher gt(time); - // Too big time values may be unsupported. - if (!gt.run()) FMT_THROW(format_error("time_t value out of range")); - return gt.tm_; -} - -namespace internal { -inline std::size_t strftime(char* str, std::size_t count, const char* format, - const std::tm* time) { - return std::strftime(str, count, format, time); -} - -inline std::size_t strftime(wchar_t* str, std::size_t count, - const wchar_t* format, const std::tm* time) { - return std::wcsftime(str, count, format, time); -} -} // namespace internal - -template struct formatter { - template - auto parse(ParseContext& ctx) -> decltype(ctx.begin()) { - auto it = ctx.begin(); - if (it != ctx.end() && *it == ':') ++it; - auto end = it; - while (end != ctx.end() && *end != '}') ++end; - tm_format.reserve(internal::to_unsigned(end - it + 1)); - tm_format.append(it, end); - tm_format.push_back('\0'); - return end; - } - - template - auto format(const std::tm& tm, FormatContext& ctx) -> decltype(ctx.out()) { - basic_memory_buffer buf; - std::size_t start = buf.size(); - for (;;) { - std::size_t size = buf.capacity() - start; - std::size_t count = - internal::strftime(&buf[start], size, &tm_format[0], &tm); - if (count != 0) { - buf.resize(start + count); - break; - } - if (size >= tm_format.size() * 256) { - // If the buffer is 256 times larger than the format string, assume - // that `strftime` gives an empty result. There doesn't seem to be a - // better way to distinguish the two cases: - // https://github.com/fmtlib/fmt/issues/367 - break; - } - const std::size_t MIN_GROWTH = 10; - buf.reserve(buf.capacity() + (size > MIN_GROWTH ? size : MIN_GROWTH)); - } - return std::copy(buf.begin(), buf.end(), ctx.out()); - } - - basic_memory_buffer tm_format; -}; - -namespace internal { -template FMT_CONSTEXPR const char* get_units() { - return nullptr; -} -template <> FMT_CONSTEXPR const char* get_units() { return "as"; } -template <> FMT_CONSTEXPR const char* get_units() { return "fs"; } -template <> FMT_CONSTEXPR const char* get_units() { return "ps"; } -template <> FMT_CONSTEXPR const char* get_units() { return "ns"; } -template <> FMT_CONSTEXPR const char* get_units() { return "µs"; } -template <> FMT_CONSTEXPR const char* get_units() { return "ms"; } -template <> FMT_CONSTEXPR const char* get_units() { return "cs"; } -template <> FMT_CONSTEXPR const char* get_units() { return "ds"; } -template <> FMT_CONSTEXPR const char* get_units>() { return "s"; } -template <> FMT_CONSTEXPR const char* get_units() { return "das"; } -template <> FMT_CONSTEXPR const char* get_units() { return "hs"; } -template <> FMT_CONSTEXPR const char* get_units() { return "ks"; } -template <> FMT_CONSTEXPR const char* get_units() { return "Ms"; } -template <> FMT_CONSTEXPR const char* get_units() { return "Gs"; } -template <> FMT_CONSTEXPR const char* get_units() { return "Ts"; } -template <> FMT_CONSTEXPR const char* get_units() { return "Ps"; } -template <> FMT_CONSTEXPR const char* get_units() { return "Es"; } -template <> FMT_CONSTEXPR const char* get_units>() { - return "m"; -} -template <> FMT_CONSTEXPR const char* get_units>() { - return "h"; -} - -enum class numeric_system { - standard, - // Alternative numeric system, e.g. 十二 instead of 12 in ja_JP locale. - alternative -}; - -// Parses a put_time-like format string and invokes handler actions. -template -FMT_CONSTEXPR const Char* parse_chrono_format(const Char* begin, - const Char* end, - Handler&& handler) { - auto ptr = begin; - while (ptr != end) { - auto c = *ptr; - if (c == '}') break; - if (c != '%') { - ++ptr; - continue; - } - if (begin != ptr) handler.on_text(begin, ptr); - ++ptr; // consume '%' - if (ptr == end) FMT_THROW(format_error("invalid format")); - c = *ptr++; - switch (c) { - case '%': - handler.on_text(ptr - 1, ptr); - break; - case 'n': { - const Char newline[] = {'\n'}; - handler.on_text(newline, newline + 1); - break; - } - case 't': { - const Char tab[] = {'\t'}; - handler.on_text(tab, tab + 1); - break; - } - // Day of the week: - case 'a': - handler.on_abbr_weekday(); - break; - case 'A': - handler.on_full_weekday(); - break; - case 'w': - handler.on_dec0_weekday(numeric_system::standard); - break; - case 'u': - handler.on_dec1_weekday(numeric_system::standard); - break; - // Month: - case 'b': - handler.on_abbr_month(); - break; - case 'B': - handler.on_full_month(); - break; - // Hour, minute, second: - case 'H': - handler.on_24_hour(numeric_system::standard); - break; - case 'I': - handler.on_12_hour(numeric_system::standard); - break; - case 'M': - handler.on_minute(numeric_system::standard); - break; - case 'S': - handler.on_second(numeric_system::standard); - break; - // Other: - case 'c': - handler.on_datetime(numeric_system::standard); - break; - case 'x': - handler.on_loc_date(numeric_system::standard); - break; - case 'X': - handler.on_loc_time(numeric_system::standard); - break; - case 'D': - handler.on_us_date(); - break; - case 'F': - handler.on_iso_date(); - break; - case 'r': - handler.on_12_hour_time(); - break; - case 'R': - handler.on_24_hour_time(); - break; - case 'T': - handler.on_iso_time(); - break; - case 'p': - handler.on_am_pm(); - break; - case 'Q': - handler.on_duration_value(); - break; - case 'q': - handler.on_duration_unit(); - break; - case 'z': - handler.on_utc_offset(); - break; - case 'Z': - handler.on_tz_name(); - break; - // Alternative representation: - case 'E': { - if (ptr == end) FMT_THROW(format_error("invalid format")); - c = *ptr++; - switch (c) { - case 'c': - handler.on_datetime(numeric_system::alternative); - break; - case 'x': - handler.on_loc_date(numeric_system::alternative); - break; - case 'X': - handler.on_loc_time(numeric_system::alternative); - break; - default: - FMT_THROW(format_error("invalid format")); - } - break; - } - case 'O': - if (ptr == end) FMT_THROW(format_error("invalid format")); - c = *ptr++; - switch (c) { - case 'w': - handler.on_dec0_weekday(numeric_system::alternative); - break; - case 'u': - handler.on_dec1_weekday(numeric_system::alternative); - break; - case 'H': - handler.on_24_hour(numeric_system::alternative); - break; - case 'I': - handler.on_12_hour(numeric_system::alternative); - break; - case 'M': - handler.on_minute(numeric_system::alternative); - break; - case 'S': - handler.on_second(numeric_system::alternative); - break; - default: - FMT_THROW(format_error("invalid format")); - } - break; - default: - FMT_THROW(format_error("invalid format")); - } - begin = ptr; - } - if (begin != ptr) handler.on_text(begin, ptr); - return ptr; -} - -struct chrono_format_checker { - FMT_NORETURN void report_no_date() { FMT_THROW(format_error("no date")); } - - template void on_text(const Char*, const Char*) {} - FMT_NORETURN void on_abbr_weekday() { report_no_date(); } - FMT_NORETURN void on_full_weekday() { report_no_date(); } - FMT_NORETURN void on_dec0_weekday(numeric_system) { report_no_date(); } - FMT_NORETURN void on_dec1_weekday(numeric_system) { report_no_date(); } - FMT_NORETURN void on_abbr_month() { report_no_date(); } - FMT_NORETURN void on_full_month() { report_no_date(); } - void on_24_hour(numeric_system) {} - void on_12_hour(numeric_system) {} - void on_minute(numeric_system) {} - void on_second(numeric_system) {} - FMT_NORETURN void on_datetime(numeric_system) { report_no_date(); } - FMT_NORETURN void on_loc_date(numeric_system) { report_no_date(); } - FMT_NORETURN void on_loc_time(numeric_system) { report_no_date(); } - FMT_NORETURN void on_us_date() { report_no_date(); } - FMT_NORETURN void on_iso_date() { report_no_date(); } - void on_12_hour_time() {} - void on_24_hour_time() {} - void on_iso_time() {} - void on_am_pm() {} - void on_duration_value() {} - void on_duration_unit() {} - FMT_NORETURN void on_utc_offset() { report_no_date(); } - FMT_NORETURN void on_tz_name() { report_no_date(); } -}; - -template ::value)> -inline bool isnan(T) { - return false; -} -template ::value)> -inline bool isnan(T value) { - return std::isnan(value); -} - -template ::value)> -inline bool isfinite(T) { - return true; -} -template ::value)> -inline bool isfinite(T value) { - return std::isfinite(value); -} - -// Converts value to int and checks that it's in the range [0, upper). -template ::value)> -inline int to_nonnegative_int(T value, int upper) { - FMT_ASSERT(value >= 0 && value <= upper, "invalid value"); - (void)upper; - return static_cast(value); -} -template ::value)> -inline int to_nonnegative_int(T value, int upper) { - FMT_ASSERT( - std::isnan(value) || (value >= 0 && value <= static_cast(upper)), - "invalid value"); - (void)upper; - return static_cast(value); -} - -template ::value)> -inline T mod(T x, int y) { - return x % static_cast(y); -} -template ::value)> -inline T mod(T x, int y) { - return std::fmod(x, static_cast(y)); -} - -// If T is an integral type, maps T to its unsigned counterpart, otherwise -// leaves it unchanged (unlike std::make_unsigned). -template ::value> -struct make_unsigned_or_unchanged { - using type = T; -}; - -template struct make_unsigned_or_unchanged { - using type = typename std::make_unsigned::type; -}; - -#if FMT_SAFE_DURATION_CAST -// throwing version of safe_duration_cast -template -To fmt_safe_duration_cast(std::chrono::duration from) { - int ec; - To to = safe_duration_cast::safe_duration_cast(from, ec); - if (ec) FMT_THROW(format_error("cannot format duration")); - return to; -} -#endif - -template ::value)> -inline std::chrono::duration get_milliseconds( - std::chrono::duration d) { - // this may overflow and/or the result may not fit in the - // target type. -#if FMT_SAFE_DURATION_CAST - using CommonSecondsType = - typename std::common_type::type; - const auto d_as_common = fmt_safe_duration_cast(d); - const auto d_as_whole_seconds = - fmt_safe_duration_cast(d_as_common); - // this conversion should be nonproblematic - const auto diff = d_as_common - d_as_whole_seconds; - const auto ms = - fmt_safe_duration_cast>(diff); - return ms; -#else - auto s = std::chrono::duration_cast(d); - return std::chrono::duration_cast(d - s); -#endif -} - -template ::value)> -inline std::chrono::duration get_milliseconds( - std::chrono::duration d) { - using common_type = typename std::common_type::type; - auto ms = mod(d.count() * static_cast(Period::num) / - static_cast(Period::den) * 1000, - 1000); - return std::chrono::duration(static_cast(ms)); -} - -template -OutputIt format_duration_value(OutputIt out, Rep val, int precision) { - const Char pr_f[] = {'{', ':', '.', '{', '}', 'f', '}', 0}; - if (precision >= 0) return format_to(out, pr_f, val, precision); - const Char fp_f[] = {'{', ':', 'g', '}', 0}; - const Char format[] = {'{', '}', 0}; - return format_to(out, std::is_floating_point::value ? fp_f : format, - val); -} - -template -OutputIt format_duration_unit(OutputIt out) { - if (const char* unit = get_units()) { - string_view s(unit); - if (const_check(std::is_same())) { - utf8_to_utf16 u(s); - return std::copy(u.c_str(), u.c_str() + u.size(), out); - } - return std::copy(s.begin(), s.end(), out); - } - const Char num_f[] = {'[', '{', '}', ']', 's', 0}; - if (Period::den == 1) return format_to(out, num_f, Period::num); - const Char num_def_f[] = {'[', '{', '}', '/', '{', '}', ']', 's', 0}; - return format_to(out, num_def_f, Period::num, Period::den); -} - -template -struct chrono_formatter { - FormatContext& context; - OutputIt out; - int precision; - // rep is unsigned to avoid overflow. - using rep = - conditional_t::value && sizeof(Rep) < sizeof(int), - unsigned, typename make_unsigned_or_unchanged::type>; - rep val; - using seconds = std::chrono::duration; - seconds s; - using milliseconds = std::chrono::duration; - bool negative; - - using char_type = typename FormatContext::char_type; - - explicit chrono_formatter(FormatContext& ctx, OutputIt o, - std::chrono::duration d) - : context(ctx), - out(o), - val(static_cast(d.count())), - negative(false) { - if (d.count() < 0) { - val = 0 - val; - negative = true; - } - - // this may overflow and/or the result may not fit in the - // target type. -#if FMT_SAFE_DURATION_CAST - // might need checked conversion (rep!=Rep) - auto tmpval = std::chrono::duration(val); - s = fmt_safe_duration_cast(tmpval); -#else - s = std::chrono::duration_cast( - std::chrono::duration(val)); -#endif - } - - // returns true if nan or inf, writes to out. - bool handle_nan_inf() { - if (isfinite(val)) { - return false; - } - if (isnan(val)) { - write_nan(); - return true; - } - // must be +-inf - if (val > 0) { - write_pinf(); - } else { - write_ninf(); - } - return true; - } - - Rep hour() const { return static_cast(mod((s.count() / 3600), 24)); } - - Rep hour12() const { - Rep hour = static_cast(mod((s.count() / 3600), 12)); - return hour <= 0 ? 12 : hour; - } - - Rep minute() const { return static_cast(mod((s.count() / 60), 60)); } - Rep second() const { return static_cast(mod(s.count(), 60)); } - - std::tm time() const { - auto time = std::tm(); - time.tm_hour = to_nonnegative_int(hour(), 24); - time.tm_min = to_nonnegative_int(minute(), 60); - time.tm_sec = to_nonnegative_int(second(), 60); - return time; - } - - void write_sign() { - if (negative) { - *out++ = '-'; - negative = false; - } - } - - void write(Rep value, int width) { - write_sign(); - if (isnan(value)) return write_nan(); - uint32_or_64_or_128_t n = - to_unsigned(to_nonnegative_int(value, max_value())); - int num_digits = internal::count_digits(n); - if (width > num_digits) out = std::fill_n(out, width - num_digits, '0'); - out = format_decimal(out, n, num_digits); - } - - void write_nan() { std::copy_n("nan", 3, out); } - void write_pinf() { std::copy_n("inf", 3, out); } - void write_ninf() { std::copy_n("-inf", 4, out); } - - void format_localized(const tm& time, char format, char modifier = 0) { - if (isnan(val)) return write_nan(); - auto locale = context.locale().template get(); - auto& facet = std::use_facet>(locale); - std::basic_ostringstream os; - os.imbue(locale); - facet.put(os, os, ' ', &time, format, modifier); - auto str = os.str(); - std::copy(str.begin(), str.end(), out); - } - - void on_text(const char_type* begin, const char_type* end) { - std::copy(begin, end, out); - } - - // These are not implemented because durations don't have date information. - void on_abbr_weekday() {} - void on_full_weekday() {} - void on_dec0_weekday(numeric_system) {} - void on_dec1_weekday(numeric_system) {} - void on_abbr_month() {} - void on_full_month() {} - void on_datetime(numeric_system) {} - void on_loc_date(numeric_system) {} - void on_loc_time(numeric_system) {} - void on_us_date() {} - void on_iso_date() {} - void on_utc_offset() {} - void on_tz_name() {} - - void on_24_hour(numeric_system ns) { - if (handle_nan_inf()) return; - - if (ns == numeric_system::standard) return write(hour(), 2); - auto time = tm(); - time.tm_hour = to_nonnegative_int(hour(), 24); - format_localized(time, 'H', 'O'); - } - - void on_12_hour(numeric_system ns) { - if (handle_nan_inf()) return; - - if (ns == numeric_system::standard) return write(hour12(), 2); - auto time = tm(); - time.tm_hour = to_nonnegative_int(hour12(), 12); - format_localized(time, 'I', 'O'); - } - - void on_minute(numeric_system ns) { - if (handle_nan_inf()) return; - - if (ns == numeric_system::standard) return write(minute(), 2); - auto time = tm(); - time.tm_min = to_nonnegative_int(minute(), 60); - format_localized(time, 'M', 'O'); - } - - void on_second(numeric_system ns) { - if (handle_nan_inf()) return; - - if (ns == numeric_system::standard) { - write(second(), 2); -#if FMT_SAFE_DURATION_CAST - // convert rep->Rep - using duration_rep = std::chrono::duration; - using duration_Rep = std::chrono::duration; - auto tmpval = fmt_safe_duration_cast(duration_rep{val}); -#else - auto tmpval = std::chrono::duration(val); -#endif - auto ms = get_milliseconds(tmpval); - if (ms != std::chrono::milliseconds(0)) { - *out++ = '.'; - write(ms.count(), 3); - } - return; - } - auto time = tm(); - time.tm_sec = to_nonnegative_int(second(), 60); - format_localized(time, 'S', 'O'); - } - - void on_12_hour_time() { - if (handle_nan_inf()) return; - format_localized(time(), 'r'); - } - - void on_24_hour_time() { - if (handle_nan_inf()) { - *out++ = ':'; - handle_nan_inf(); - return; - } - - write(hour(), 2); - *out++ = ':'; - write(minute(), 2); - } - - void on_iso_time() { - on_24_hour_time(); - *out++ = ':'; - if (handle_nan_inf()) return; - write(second(), 2); - } - - void on_am_pm() { - if (handle_nan_inf()) return; - format_localized(time(), 'p'); - } - - void on_duration_value() { - if (handle_nan_inf()) return; - write_sign(); - out = format_duration_value(out, val, precision); - } - - void on_duration_unit() { - out = format_duration_unit(out); - } -}; -} // namespace internal - -template -struct formatter, Char> { - private: - basic_format_specs specs; - int precision; - using arg_ref_type = internal::arg_ref; - arg_ref_type width_ref; - arg_ref_type precision_ref; - mutable basic_string_view format_str; - using duration = std::chrono::duration; - - struct spec_handler { - formatter& f; - basic_format_parse_context& context; - basic_string_view format_str; - - template FMT_CONSTEXPR arg_ref_type make_arg_ref(Id arg_id) { - context.check_arg_id(arg_id); - return arg_ref_type(arg_id); - } - - FMT_CONSTEXPR arg_ref_type make_arg_ref(basic_string_view arg_id) { - context.check_arg_id(arg_id); - return arg_ref_type(arg_id); - } - - FMT_CONSTEXPR arg_ref_type make_arg_ref(internal::auto_id) { - return arg_ref_type(context.next_arg_id()); - } - - void on_error(const char* msg) { FMT_THROW(format_error(msg)); } - void on_fill(basic_string_view fill) { f.specs.fill = fill; } - void on_align(align_t align) { f.specs.align = align; } - void on_width(int width) { f.specs.width = width; } - void on_precision(int _precision) { f.precision = _precision; } - void end_precision() {} - - template void on_dynamic_width(Id arg_id) { - f.width_ref = make_arg_ref(arg_id); - } - - template void on_dynamic_precision(Id arg_id) { - f.precision_ref = make_arg_ref(arg_id); - } - }; - - using iterator = typename basic_format_parse_context::iterator; - struct parse_range { - iterator begin; - iterator end; - }; - - FMT_CONSTEXPR parse_range do_parse(basic_format_parse_context& ctx) { - auto begin = ctx.begin(), end = ctx.end(); - if (begin == end || *begin == '}') return {begin, begin}; - spec_handler handler{*this, ctx, format_str}; - begin = internal::parse_align(begin, end, handler); - if (begin == end) return {begin, begin}; - begin = internal::parse_width(begin, end, handler); - if (begin == end) return {begin, begin}; - if (*begin == '.') { - if (std::is_floating_point::value) - begin = internal::parse_precision(begin, end, handler); - else - handler.on_error("precision not allowed for this argument type"); - } - end = parse_chrono_format(begin, end, internal::chrono_format_checker()); - return {begin, end}; - } - - public: - formatter() : precision(-1) {} - - FMT_CONSTEXPR auto parse(basic_format_parse_context& ctx) - -> decltype(ctx.begin()) { - auto range = do_parse(ctx); - format_str = basic_string_view( - &*range.begin, internal::to_unsigned(range.end - range.begin)); - return range.end; - } - - template - auto format(const duration& d, FormatContext& ctx) -> decltype(ctx.out()) { - auto begin = format_str.begin(), end = format_str.end(); - // As a possible future optimization, we could avoid extra copying if width - // is not specified. - basic_memory_buffer buf; - auto out = std::back_inserter(buf); - using range = internal::output_range; - internal::basic_writer w(range(ctx.out())); - internal::handle_dynamic_spec(specs.width, - width_ref, ctx); - internal::handle_dynamic_spec( - precision, precision_ref, ctx); - if (begin == end || *begin == '}') { - out = internal::format_duration_value(out, d.count(), precision); - internal::format_duration_unit(out); - } else { - internal::chrono_formatter f( - ctx, out, d); - f.precision = precision; - parse_chrono_format(begin, end, f); - } - w.write(buf.data(), buf.size(), specs); - return w.out(); - } -}; - -FMT_END_NAMESPACE - -#endif // FMT_CHRONO_H_ diff --git a/third-party/include/fmt/color.h b/third-party/include/fmt/color.h deleted file mode 100644 index 96d9ab6..0000000 --- a/third-party/include/fmt/color.h +++ /dev/null @@ -1,568 +0,0 @@ -// Formatting library for C++ - color support -// -// Copyright (c) 2018 - present, Victor Zverovich and fmt contributors -// All rights reserved. -// -// For the license information refer to format.h. - -#ifndef FMT_COLOR_H_ -#define FMT_COLOR_H_ - -#include "format.h" - -FMT_BEGIN_NAMESPACE - -enum class color : uint32_t { - alice_blue = 0xF0F8FF, // rgb(240,248,255) - antique_white = 0xFAEBD7, // rgb(250,235,215) - aqua = 0x00FFFF, // rgb(0,255,255) - aquamarine = 0x7FFFD4, // rgb(127,255,212) - azure = 0xF0FFFF, // rgb(240,255,255) - beige = 0xF5F5DC, // rgb(245,245,220) - bisque = 0xFFE4C4, // rgb(255,228,196) - black = 0x000000, // rgb(0,0,0) - blanched_almond = 0xFFEBCD, // rgb(255,235,205) - blue = 0x0000FF, // rgb(0,0,255) - blue_violet = 0x8A2BE2, // rgb(138,43,226) - brown = 0xA52A2A, // rgb(165,42,42) - burly_wood = 0xDEB887, // rgb(222,184,135) - cadet_blue = 0x5F9EA0, // rgb(95,158,160) - chartreuse = 0x7FFF00, // rgb(127,255,0) - chocolate = 0xD2691E, // rgb(210,105,30) - coral = 0xFF7F50, // rgb(255,127,80) - cornflower_blue = 0x6495ED, // rgb(100,149,237) - cornsilk = 0xFFF8DC, // rgb(255,248,220) - crimson = 0xDC143C, // rgb(220,20,60) - cyan = 0x00FFFF, // rgb(0,255,255) - dark_blue = 0x00008B, // rgb(0,0,139) - dark_cyan = 0x008B8B, // rgb(0,139,139) - dark_golden_rod = 0xB8860B, // rgb(184,134,11) - dark_gray = 0xA9A9A9, // rgb(169,169,169) - dark_green = 0x006400, // rgb(0,100,0) - dark_khaki = 0xBDB76B, // rgb(189,183,107) - dark_magenta = 0x8B008B, // rgb(139,0,139) - dark_olive_green = 0x556B2F, // rgb(85,107,47) - dark_orange = 0xFF8C00, // rgb(255,140,0) - dark_orchid = 0x9932CC, // rgb(153,50,204) - dark_red = 0x8B0000, // rgb(139,0,0) - dark_salmon = 0xE9967A, // rgb(233,150,122) - dark_sea_green = 0x8FBC8F, // rgb(143,188,143) - dark_slate_blue = 0x483D8B, // rgb(72,61,139) - dark_slate_gray = 0x2F4F4F, // rgb(47,79,79) - dark_turquoise = 0x00CED1, // rgb(0,206,209) - dark_violet = 0x9400D3, // rgb(148,0,211) - deep_pink = 0xFF1493, // rgb(255,20,147) - deep_sky_blue = 0x00BFFF, // rgb(0,191,255) - dim_gray = 0x696969, // rgb(105,105,105) - dodger_blue = 0x1E90FF, // rgb(30,144,255) - fire_brick = 0xB22222, // rgb(178,34,34) - floral_white = 0xFFFAF0, // rgb(255,250,240) - forest_green = 0x228B22, // rgb(34,139,34) - fuchsia = 0xFF00FF, // rgb(255,0,255) - gainsboro = 0xDCDCDC, // rgb(220,220,220) - ghost_white = 0xF8F8FF, // rgb(248,248,255) - gold = 0xFFD700, // rgb(255,215,0) - golden_rod = 0xDAA520, // rgb(218,165,32) - gray = 0x808080, // rgb(128,128,128) - green = 0x008000, // rgb(0,128,0) - green_yellow = 0xADFF2F, // rgb(173,255,47) - honey_dew = 0xF0FFF0, // rgb(240,255,240) - hot_pink = 0xFF69B4, // rgb(255,105,180) - indian_red = 0xCD5C5C, // rgb(205,92,92) - indigo = 0x4B0082, // rgb(75,0,130) - ivory = 0xFFFFF0, // rgb(255,255,240) - khaki = 0xF0E68C, // rgb(240,230,140) - lavender = 0xE6E6FA, // rgb(230,230,250) - lavender_blush = 0xFFF0F5, // rgb(255,240,245) - lawn_green = 0x7CFC00, // rgb(124,252,0) - lemon_chiffon = 0xFFFACD, // rgb(255,250,205) - light_blue = 0xADD8E6, // rgb(173,216,230) - light_coral = 0xF08080, // rgb(240,128,128) - light_cyan = 0xE0FFFF, // rgb(224,255,255) - light_golden_rod_yellow = 0xFAFAD2, // rgb(250,250,210) - light_gray = 0xD3D3D3, // rgb(211,211,211) - light_green = 0x90EE90, // rgb(144,238,144) - light_pink = 0xFFB6C1, // rgb(255,182,193) - light_salmon = 0xFFA07A, // rgb(255,160,122) - light_sea_green = 0x20B2AA, // rgb(32,178,170) - light_sky_blue = 0x87CEFA, // rgb(135,206,250) - light_slate_gray = 0x778899, // rgb(119,136,153) - light_steel_blue = 0xB0C4DE, // rgb(176,196,222) - light_yellow = 0xFFFFE0, // rgb(255,255,224) - lime = 0x00FF00, // rgb(0,255,0) - lime_green = 0x32CD32, // rgb(50,205,50) - linen = 0xFAF0E6, // rgb(250,240,230) - magenta = 0xFF00FF, // rgb(255,0,255) - maroon = 0x800000, // rgb(128,0,0) - medium_aquamarine = 0x66CDAA, // rgb(102,205,170) - medium_blue = 0x0000CD, // rgb(0,0,205) - medium_orchid = 0xBA55D3, // rgb(186,85,211) - medium_purple = 0x9370DB, // rgb(147,112,219) - medium_sea_green = 0x3CB371, // rgb(60,179,113) - medium_slate_blue = 0x7B68EE, // rgb(123,104,238) - medium_spring_green = 0x00FA9A, // rgb(0,250,154) - medium_turquoise = 0x48D1CC, // rgb(72,209,204) - medium_violet_red = 0xC71585, // rgb(199,21,133) - midnight_blue = 0x191970, // rgb(25,25,112) - mint_cream = 0xF5FFFA, // rgb(245,255,250) - misty_rose = 0xFFE4E1, // rgb(255,228,225) - moccasin = 0xFFE4B5, // rgb(255,228,181) - navajo_white = 0xFFDEAD, // rgb(255,222,173) - navy = 0x000080, // rgb(0,0,128) - old_lace = 0xFDF5E6, // rgb(253,245,230) - olive = 0x808000, // rgb(128,128,0) - olive_drab = 0x6B8E23, // rgb(107,142,35) - orange = 0xFFA500, // rgb(255,165,0) - orange_red = 0xFF4500, // rgb(255,69,0) - orchid = 0xDA70D6, // rgb(218,112,214) - pale_golden_rod = 0xEEE8AA, // rgb(238,232,170) - pale_green = 0x98FB98, // rgb(152,251,152) - pale_turquoise = 0xAFEEEE, // rgb(175,238,238) - pale_violet_red = 0xDB7093, // rgb(219,112,147) - papaya_whip = 0xFFEFD5, // rgb(255,239,213) - peach_puff = 0xFFDAB9, // rgb(255,218,185) - peru = 0xCD853F, // rgb(205,133,63) - pink = 0xFFC0CB, // rgb(255,192,203) - plum = 0xDDA0DD, // rgb(221,160,221) - powder_blue = 0xB0E0E6, // rgb(176,224,230) - purple = 0x800080, // rgb(128,0,128) - rebecca_purple = 0x663399, // rgb(102,51,153) - red = 0xFF0000, // rgb(255,0,0) - rosy_brown = 0xBC8F8F, // rgb(188,143,143) - royal_blue = 0x4169E1, // rgb(65,105,225) - saddle_brown = 0x8B4513, // rgb(139,69,19) - salmon = 0xFA8072, // rgb(250,128,114) - sandy_brown = 0xF4A460, // rgb(244,164,96) - sea_green = 0x2E8B57, // rgb(46,139,87) - sea_shell = 0xFFF5EE, // rgb(255,245,238) - sienna = 0xA0522D, // rgb(160,82,45) - silver = 0xC0C0C0, // rgb(192,192,192) - sky_blue = 0x87CEEB, // rgb(135,206,235) - slate_blue = 0x6A5ACD, // rgb(106,90,205) - slate_gray = 0x708090, // rgb(112,128,144) - snow = 0xFFFAFA, // rgb(255,250,250) - spring_green = 0x00FF7F, // rgb(0,255,127) - steel_blue = 0x4682B4, // rgb(70,130,180) - tan = 0xD2B48C, // rgb(210,180,140) - teal = 0x008080, // rgb(0,128,128) - thistle = 0xD8BFD8, // rgb(216,191,216) - tomato = 0xFF6347, // rgb(255,99,71) - turquoise = 0x40E0D0, // rgb(64,224,208) - violet = 0xEE82EE, // rgb(238,130,238) - wheat = 0xF5DEB3, // rgb(245,222,179) - white = 0xFFFFFF, // rgb(255,255,255) - white_smoke = 0xF5F5F5, // rgb(245,245,245) - yellow = 0xFFFF00, // rgb(255,255,0) - yellow_green = 0x9ACD32 // rgb(154,205,50) -}; // enum class color - -enum class terminal_color : uint8_t { - black = 30, - red, - green, - yellow, - blue, - magenta, - cyan, - white, - bright_black = 90, - bright_red, - bright_green, - bright_yellow, - bright_blue, - bright_magenta, - bright_cyan, - bright_white -}; - -enum class emphasis : uint8_t { - bold = 1, - italic = 1 << 1, - underline = 1 << 2, - strikethrough = 1 << 3 -}; - -// rgb is a struct for red, green and blue colors. -// Using the name "rgb" makes some editors show the color in a tooltip. -struct rgb { - FMT_CONSTEXPR rgb() : r(0), g(0), b(0) {} - FMT_CONSTEXPR rgb(uint8_t r_, uint8_t g_, uint8_t b_) : r(r_), g(g_), b(b_) {} - FMT_CONSTEXPR rgb(uint32_t hex) - : r((hex >> 16) & 0xFF), g((hex >> 8) & 0xFF), b(hex & 0xFF) {} - FMT_CONSTEXPR rgb(color hex) - : r((uint32_t(hex) >> 16) & 0xFF), - g((uint32_t(hex) >> 8) & 0xFF), - b(uint32_t(hex) & 0xFF) {} - uint8_t r; - uint8_t g; - uint8_t b; -}; - -namespace internal { - -// color is a struct of either a rgb color or a terminal color. -struct color_type { - FMT_CONSTEXPR color_type() FMT_NOEXCEPT : is_rgb(), value{} {} - FMT_CONSTEXPR color_type(color rgb_color) FMT_NOEXCEPT : is_rgb(true), - value{} { - value.rgb_color = static_cast(rgb_color); - } - FMT_CONSTEXPR color_type(rgb rgb_color) FMT_NOEXCEPT : is_rgb(true), value{} { - value.rgb_color = (static_cast(rgb_color.r) << 16) | - (static_cast(rgb_color.g) << 8) | rgb_color.b; - } - FMT_CONSTEXPR color_type(terminal_color term_color) FMT_NOEXCEPT : is_rgb(), - value{} { - value.term_color = static_cast(term_color); - } - bool is_rgb; - union color_union { - uint8_t term_color; - uint32_t rgb_color; - } value; -}; -} // namespace internal - -// Experimental text formatting support. -class text_style { - public: - FMT_CONSTEXPR text_style(emphasis em = emphasis()) FMT_NOEXCEPT - : set_foreground_color(), - set_background_color(), - ems(em) {} - - FMT_CONSTEXPR text_style& operator|=(const text_style& rhs) { - if (!set_foreground_color) { - set_foreground_color = rhs.set_foreground_color; - foreground_color = rhs.foreground_color; - } else if (rhs.set_foreground_color) { - if (!foreground_color.is_rgb || !rhs.foreground_color.is_rgb) - FMT_THROW(format_error("can't OR a terminal color")); - foreground_color.value.rgb_color |= rhs.foreground_color.value.rgb_color; - } - - if (!set_background_color) { - set_background_color = rhs.set_background_color; - background_color = rhs.background_color; - } else if (rhs.set_background_color) { - if (!background_color.is_rgb || !rhs.background_color.is_rgb) - FMT_THROW(format_error("can't OR a terminal color")); - background_color.value.rgb_color |= rhs.background_color.value.rgb_color; - } - - ems = static_cast(static_cast(ems) | - static_cast(rhs.ems)); - return *this; - } - - friend FMT_CONSTEXPR text_style operator|(text_style lhs, - const text_style& rhs) { - return lhs |= rhs; - } - - FMT_CONSTEXPR text_style& operator&=(const text_style& rhs) { - if (!set_foreground_color) { - set_foreground_color = rhs.set_foreground_color; - foreground_color = rhs.foreground_color; - } else if (rhs.set_foreground_color) { - if (!foreground_color.is_rgb || !rhs.foreground_color.is_rgb) - FMT_THROW(format_error("can't AND a terminal color")); - foreground_color.value.rgb_color &= rhs.foreground_color.value.rgb_color; - } - - if (!set_background_color) { - set_background_color = rhs.set_background_color; - background_color = rhs.background_color; - } else if (rhs.set_background_color) { - if (!background_color.is_rgb || !rhs.background_color.is_rgb) - FMT_THROW(format_error("can't AND a terminal color")); - background_color.value.rgb_color &= rhs.background_color.value.rgb_color; - } - - ems = static_cast(static_cast(ems) & - static_cast(rhs.ems)); - return *this; - } - - friend FMT_CONSTEXPR text_style operator&(text_style lhs, - const text_style& rhs) { - return lhs &= rhs; - } - - FMT_CONSTEXPR bool has_foreground() const FMT_NOEXCEPT { - return set_foreground_color; - } - FMT_CONSTEXPR bool has_background() const FMT_NOEXCEPT { - return set_background_color; - } - FMT_CONSTEXPR bool has_emphasis() const FMT_NOEXCEPT { - return static_cast(ems) != 0; - } - FMT_CONSTEXPR internal::color_type get_foreground() const FMT_NOEXCEPT { - FMT_ASSERT(has_foreground(), "no foreground specified for this style"); - return foreground_color; - } - FMT_CONSTEXPR internal::color_type get_background() const FMT_NOEXCEPT { - FMT_ASSERT(has_background(), "no background specified for this style"); - return background_color; - } - FMT_CONSTEXPR emphasis get_emphasis() const FMT_NOEXCEPT { - FMT_ASSERT(has_emphasis(), "no emphasis specified for this style"); - return ems; - } - - private: - FMT_CONSTEXPR text_style(bool is_foreground, - internal::color_type text_color) FMT_NOEXCEPT - : set_foreground_color(), - set_background_color(), - ems() { - if (is_foreground) { - foreground_color = text_color; - set_foreground_color = true; - } else { - background_color = text_color; - set_background_color = true; - } - } - - friend FMT_CONSTEXPR_DECL text_style fg(internal::color_type foreground) - FMT_NOEXCEPT; - friend FMT_CONSTEXPR_DECL text_style bg(internal::color_type background) - FMT_NOEXCEPT; - - internal::color_type foreground_color; - internal::color_type background_color; - bool set_foreground_color; - bool set_background_color; - emphasis ems; -}; - -FMT_CONSTEXPR text_style fg(internal::color_type foreground) FMT_NOEXCEPT { - return text_style(/*is_foreground=*/true, foreground); -} - -FMT_CONSTEXPR text_style bg(internal::color_type background) FMT_NOEXCEPT { - return text_style(/*is_foreground=*/false, background); -} - -FMT_CONSTEXPR text_style operator|(emphasis lhs, emphasis rhs) FMT_NOEXCEPT { - return text_style(lhs) | rhs; -} - -namespace internal { - -template struct ansi_color_escape { - FMT_CONSTEXPR ansi_color_escape(internal::color_type text_color, - const char* esc) FMT_NOEXCEPT { - // If we have a terminal color, we need to output another escape code - // sequence. - if (!text_color.is_rgb) { - bool is_background = esc == internal::data::background_color; - uint32_t value = text_color.value.term_color; - // Background ASCII codes are the same as the foreground ones but with - // 10 more. - if (is_background) value += 10u; - - std::size_t index = 0; - buffer[index++] = static_cast('\x1b'); - buffer[index++] = static_cast('['); - - if (value >= 100u) { - buffer[index++] = static_cast('1'); - value %= 100u; - } - buffer[index++] = static_cast('0' + value / 10u); - buffer[index++] = static_cast('0' + value % 10u); - - buffer[index++] = static_cast('m'); - buffer[index++] = static_cast('\0'); - return; - } - - for (int i = 0; i < 7; i++) { - buffer[i] = static_cast(esc[i]); - } - rgb color(text_color.value.rgb_color); - to_esc(color.r, buffer + 7, ';'); - to_esc(color.g, buffer + 11, ';'); - to_esc(color.b, buffer + 15, 'm'); - buffer[19] = static_cast(0); - } - FMT_CONSTEXPR ansi_color_escape(emphasis em) FMT_NOEXCEPT { - uint8_t em_codes[4] = {}; - uint8_t em_bits = static_cast(em); - if (em_bits & static_cast(emphasis::bold)) em_codes[0] = 1; - if (em_bits & static_cast(emphasis::italic)) em_codes[1] = 3; - if (em_bits & static_cast(emphasis::underline)) em_codes[2] = 4; - if (em_bits & static_cast(emphasis::strikethrough)) - em_codes[3] = 9; - - std::size_t index = 0; - for (int i = 0; i < 4; ++i) { - if (!em_codes[i]) continue; - buffer[index++] = static_cast('\x1b'); - buffer[index++] = static_cast('['); - buffer[index++] = static_cast('0' + em_codes[i]); - buffer[index++] = static_cast('m'); - } - buffer[index++] = static_cast(0); - } - FMT_CONSTEXPR operator const Char*() const FMT_NOEXCEPT { return buffer; } - - FMT_CONSTEXPR const Char* begin() const FMT_NOEXCEPT { return buffer; } - FMT_CONSTEXPR const Char* end() const FMT_NOEXCEPT { - return buffer + std::char_traits::length(buffer); - } - - private: - Char buffer[7u + 3u * 4u + 1u]; - - static FMT_CONSTEXPR void to_esc(uint8_t c, Char* out, - char delimiter) FMT_NOEXCEPT { - out[0] = static_cast('0' + c / 100); - out[1] = static_cast('0' + c / 10 % 10); - out[2] = static_cast('0' + c % 10); - out[3] = static_cast(delimiter); - } -}; - -template -FMT_CONSTEXPR ansi_color_escape make_foreground_color( - internal::color_type foreground) FMT_NOEXCEPT { - return ansi_color_escape(foreground, internal::data::foreground_color); -} - -template -FMT_CONSTEXPR ansi_color_escape make_background_color( - internal::color_type background) FMT_NOEXCEPT { - return ansi_color_escape(background, internal::data::background_color); -} - -template -FMT_CONSTEXPR ansi_color_escape make_emphasis(emphasis em) FMT_NOEXCEPT { - return ansi_color_escape(em); -} - -template -inline void fputs(const Char* chars, FILE* stream) FMT_NOEXCEPT { - std::fputs(chars, stream); -} - -template <> -inline void fputs(const wchar_t* chars, FILE* stream) FMT_NOEXCEPT { - std::fputws(chars, stream); -} - -template inline void reset_color(FILE* stream) FMT_NOEXCEPT { - fputs(internal::data::reset_color, stream); -} - -template <> inline void reset_color(FILE* stream) FMT_NOEXCEPT { - fputs(internal::data::wreset_color, stream); -} - -template -inline void reset_color(basic_memory_buffer& buffer) FMT_NOEXCEPT { - const char* begin = data::reset_color; - const char* end = begin + sizeof(data::reset_color) - 1; - buffer.append(begin, end); -} - -template -void vformat_to(basic_memory_buffer& buf, const text_style& ts, - basic_string_view format_str, - basic_format_args> args) { - bool has_style = false; - if (ts.has_emphasis()) { - has_style = true; - auto emphasis = internal::make_emphasis(ts.get_emphasis()); - buf.append(emphasis.begin(), emphasis.end()); - } - if (ts.has_foreground()) { - has_style = true; - auto foreground = - internal::make_foreground_color(ts.get_foreground()); - buf.append(foreground.begin(), foreground.end()); - } - if (ts.has_background()) { - has_style = true; - auto background = - internal::make_background_color(ts.get_background()); - buf.append(background.begin(), background.end()); - } - internal::vformat_to(buf, format_str, args); - if (has_style) internal::reset_color(buf); -} -} // namespace internal - -template > -void vprint(std::FILE* f, const text_style& ts, const S& format, - basic_format_args> args) { - basic_memory_buffer buf; - internal::vformat_to(buf, ts, to_string_view(format), args); - buf.push_back(Char(0)); - internal::fputs(buf.data(), f); -} - -/** - Formats a string and prints it to the specified file stream using ANSI - escape sequences to specify text formatting. - Example: - fmt::print(fmt::emphasis::bold | fg(fmt::color::red), - "Elapsed time: {0:.2f} seconds", 1.23); - */ -template ::value)> -void print(std::FILE* f, const text_style& ts, const S& format_str, - const Args&... args) { - internal::check_format_string(format_str); - using context = buffer_context>; - format_arg_store as{args...}; - vprint(f, ts, format_str, basic_format_args(as)); -} - -/** - Formats a string and prints it to stdout using ANSI escape sequences to - specify text formatting. - Example: - fmt::print(fmt::emphasis::bold | fg(fmt::color::red), - "Elapsed time: {0:.2f} seconds", 1.23); - */ -template ::value)> -void print(const text_style& ts, const S& format_str, const Args&... args) { - return print(stdout, ts, format_str, args...); -} - -template > -inline std::basic_string vformat( - const text_style& ts, const S& format_str, - basic_format_args>> args) { - basic_memory_buffer buf; - internal::vformat_to(buf, ts, to_string_view(format_str), args); - return fmt::to_string(buf); -} - -/** - \rst - Formats arguments and returns the result as a string using ANSI - escape sequences to specify text formatting. - - **Example**:: - - #include - std::string message = fmt::format(fmt::emphasis::bold | fg(fmt::color::red), - "The answer is {}", 42); - \endrst -*/ -template > -inline std::basic_string format(const text_style& ts, const S& format_str, - const Args&... args) { - return vformat(ts, to_string_view(format_str), - internal::make_args_checked(format_str, args...)); -} - -FMT_END_NAMESPACE - -#endif // FMT_COLOR_H_ diff --git a/third-party/include/fmt/compile.h b/third-party/include/fmt/compile.h deleted file mode 100644 index e4b12f3..0000000 --- a/third-party/include/fmt/compile.h +++ /dev/null @@ -1,595 +0,0 @@ -// Formatting library for C++ - experimental format string compilation -// -// Copyright (c) 2012 - present, Victor Zverovich and fmt contributors -// All rights reserved. -// -// For the license information refer to format.h. - -#ifndef FMT_COMPILE_H_ -#define FMT_COMPILE_H_ - -#include - -#include "format.h" - -FMT_BEGIN_NAMESPACE -namespace internal { - -// Part of a compiled format string. It can be either literal text or a -// replacement field. -template struct format_part { - enum class kind { arg_index, arg_name, text, replacement }; - - struct replacement { - arg_ref arg_id; - dynamic_format_specs specs; - }; - - kind part_kind; - union value { - int arg_index; - basic_string_view str; - replacement repl; - - FMT_CONSTEXPR value(int index = 0) : arg_index(index) {} - FMT_CONSTEXPR value(basic_string_view s) : str(s) {} - FMT_CONSTEXPR value(replacement r) : repl(r) {} - } val; - // Position past the end of the argument id. - const Char* arg_id_end = nullptr; - - FMT_CONSTEXPR format_part(kind k = kind::arg_index, value v = {}) - : part_kind(k), val(v) {} - - static FMT_CONSTEXPR format_part make_arg_index(int index) { - return format_part(kind::arg_index, index); - } - static FMT_CONSTEXPR format_part make_arg_name(basic_string_view name) { - return format_part(kind::arg_name, name); - } - static FMT_CONSTEXPR format_part make_text(basic_string_view text) { - return format_part(kind::text, text); - } - static FMT_CONSTEXPR format_part make_replacement(replacement repl) { - return format_part(kind::replacement, repl); - } -}; - -template struct part_counter { - unsigned num_parts = 0; - - FMT_CONSTEXPR void on_text(const Char* begin, const Char* end) { - if (begin != end) ++num_parts; - } - - FMT_CONSTEXPR void on_arg_id() { ++num_parts; } - FMT_CONSTEXPR void on_arg_id(int) { ++num_parts; } - FMT_CONSTEXPR void on_arg_id(basic_string_view) { ++num_parts; } - - FMT_CONSTEXPR void on_replacement_field(const Char*) {} - - FMT_CONSTEXPR const Char* on_format_specs(const Char* begin, - const Char* end) { - // Find the matching brace. - unsigned brace_counter = 0; - for (; begin != end; ++begin) { - if (*begin == '{') { - ++brace_counter; - } else if (*begin == '}') { - if (brace_counter == 0u) break; - --brace_counter; - } - } - return begin; - } - - FMT_CONSTEXPR void on_error(const char*) {} -}; - -// Counts the number of parts in a format string. -template -FMT_CONSTEXPR unsigned count_parts(basic_string_view format_str) { - part_counter counter; - parse_format_string(format_str, counter); - return counter.num_parts; -} - -template -class format_string_compiler : public error_handler { - private: - using part = format_part; - - PartHandler handler_; - part part_; - basic_string_view format_str_; - basic_format_parse_context parse_context_; - - public: - FMT_CONSTEXPR format_string_compiler(basic_string_view format_str, - PartHandler handler) - : handler_(handler), - format_str_(format_str), - parse_context_(format_str) {} - - FMT_CONSTEXPR void on_text(const Char* begin, const Char* end) { - if (begin != end) - handler_(part::make_text({begin, to_unsigned(end - begin)})); - } - - FMT_CONSTEXPR void on_arg_id() { - part_ = part::make_arg_index(parse_context_.next_arg_id()); - } - - FMT_CONSTEXPR void on_arg_id(int id) { - parse_context_.check_arg_id(id); - part_ = part::make_arg_index(id); - } - - FMT_CONSTEXPR void on_arg_id(basic_string_view id) { - part_ = part::make_arg_name(id); - } - - FMT_CONSTEXPR void on_replacement_field(const Char* ptr) { - part_.arg_id_end = ptr; - handler_(part_); - } - - FMT_CONSTEXPR const Char* on_format_specs(const Char* begin, - const Char* end) { - auto repl = typename part::replacement(); - dynamic_specs_handler> handler( - repl.specs, parse_context_); - auto it = parse_format_specs(begin, end, handler); - if (*it != '}') on_error("missing '}' in format string"); - repl.arg_id = part_.part_kind == part::kind::arg_index - ? arg_ref(part_.val.arg_index) - : arg_ref(part_.val.str); - auto part = part::make_replacement(repl); - part.arg_id_end = begin; - handler_(part); - return it; - } -}; - -// Compiles a format string and invokes handler(part) for each parsed part. -template -FMT_CONSTEXPR void compile_format_string(basic_string_view format_str, - PartHandler handler) { - parse_format_string( - format_str, - format_string_compiler(format_str, handler)); -} - -template -void format_arg( - basic_format_parse_context& parse_ctx, - Context& ctx, Id arg_id) { - ctx.advance_to( - visit_format_arg(arg_formatter(ctx, &parse_ctx), ctx.arg(arg_id))); -} - -// vformat_to is defined in a subnamespace to prevent ADL. -namespace cf { -template -auto vformat_to(Range out, CompiledFormat& cf, basic_format_args args) - -> typename Context::iterator { - using char_type = typename Context::char_type; - basic_format_parse_context parse_ctx( - to_string_view(cf.format_str_)); - Context ctx(out.begin(), args); - - const auto& parts = cf.parts(); - for (auto part_it = std::begin(parts); part_it != std::end(parts); - ++part_it) { - const auto& part = *part_it; - const auto& value = part.val; - - using format_part_t = format_part; - switch (part.part_kind) { - case format_part_t::kind::text: { - const auto text = value.str; - auto output = ctx.out(); - auto&& it = reserve(output, text.size()); - it = std::copy_n(text.begin(), text.size(), it); - ctx.advance_to(output); - break; - } - - case format_part_t::kind::arg_index: - advance_to(parse_ctx, part.arg_id_end); - internal::format_arg(parse_ctx, ctx, value.arg_index); - break; - - case format_part_t::kind::arg_name: - advance_to(parse_ctx, part.arg_id_end); - internal::format_arg(parse_ctx, ctx, value.str); - break; - - case format_part_t::kind::replacement: { - const auto& arg_id_value = value.repl.arg_id.val; - const auto arg = value.repl.arg_id.kind == arg_id_kind::index - ? ctx.arg(arg_id_value.index) - : ctx.arg(arg_id_value.name); - - auto specs = value.repl.specs; - - handle_dynamic_spec(specs.width, specs.width_ref, ctx); - handle_dynamic_spec(specs.precision, - specs.precision_ref, ctx); - - error_handler h; - numeric_specs_checker checker(h, arg.type()); - if (specs.align == align::numeric) checker.require_numeric_argument(); - if (specs.sign != sign::none) checker.check_sign(); - if (specs.alt) checker.require_numeric_argument(); - if (specs.precision >= 0) checker.check_precision(); - - advance_to(parse_ctx, part.arg_id_end); - ctx.advance_to( - visit_format_arg(arg_formatter(ctx, nullptr, &specs), arg)); - break; - } - } - } - return ctx.out(); -} -} // namespace cf - -struct basic_compiled_format {}; - -template -struct compiled_format_base : basic_compiled_format { - using char_type = char_t; - using parts_container = std::vector>; - - parts_container compiled_parts; - - explicit compiled_format_base(basic_string_view format_str) { - compile_format_string(format_str, - [this](const format_part& part) { - compiled_parts.push_back(part); - }); - } - - const parts_container& parts() const { return compiled_parts; } -}; - -template struct format_part_array { - format_part data[N] = {}; - FMT_CONSTEXPR format_part_array() = default; -}; - -template -FMT_CONSTEXPR format_part_array compile_to_parts( - basic_string_view format_str) { - format_part_array parts; - unsigned counter = 0; - // This is not a lambda for compatibility with older compilers. - struct { - format_part* parts; - unsigned* counter; - FMT_CONSTEXPR void operator()(const format_part& part) { - parts[(*counter)++] = part; - } - } collector{parts.data, &counter}; - compile_format_string(format_str, collector); - if (counter < N) { - parts.data[counter] = - format_part::make_text(basic_string_view()); - } - return parts; -} - -template constexpr const T& constexpr_max(const T& a, const T& b) { - return (a < b) ? b : a; -} - -template -struct compiled_format_base::value>> - : basic_compiled_format { - using char_type = char_t; - - FMT_CONSTEXPR explicit compiled_format_base(basic_string_view) {} - -// Workaround for old compilers. Format string compilation will not be -// performed there anyway. -#if FMT_USE_CONSTEXPR - static FMT_CONSTEXPR_DECL const unsigned num_format_parts = - constexpr_max(count_parts(to_string_view(S())), 1u); -#else - static const unsigned num_format_parts = 1; -#endif - - using parts_container = format_part[num_format_parts]; - - const parts_container& parts() const { - static FMT_CONSTEXPR_DECL const auto compiled_parts = - compile_to_parts( - internal::to_string_view(S())); - return compiled_parts.data; - } -}; - -template -class compiled_format : private compiled_format_base { - public: - using typename compiled_format_base::char_type; - - private: - basic_string_view format_str_; - - template - friend auto cf::vformat_to(Range out, CompiledFormat& cf, - basic_format_args args) -> - typename Context::iterator; - - public: - compiled_format() = delete; - explicit constexpr compiled_format(basic_string_view format_str) - : compiled_format_base(format_str), format_str_(format_str) {} -}; - -#ifdef __cpp_if_constexpr -template struct type_list {}; - -// Returns a reference to the argument at index N from [first, rest...]. -template -constexpr const auto& get(const T& first, const Args&... rest) { - static_assert(N < 1 + sizeof...(Args), "index is out of bounds"); - if constexpr (N == 0) - return first; - else - return get(rest...); -} - -template struct get_type_impl; - -template struct get_type_impl> { - using type = remove_cvref_t(std::declval()...))>; -}; - -template -using get_type = typename get_type_impl::type; - -template struct is_compiled_format : std::false_type {}; - -template struct text { - basic_string_view data; - using char_type = Char; - - template - OutputIt format(OutputIt out, const Args&...) const { - // TODO: reserve - return copy_str(data.begin(), data.end(), out); - } -}; - -template -struct is_compiled_format> : std::true_type {}; - -template -constexpr text make_text(basic_string_view s, size_t pos, - size_t size) { - return {{&s[pos], size}}; -} - -template , int> = 0> -OutputIt format_default(OutputIt out, T value) { - // TODO: reserve - format_int fi(value); - return std::copy(fi.data(), fi.data() + fi.size(), out); -} - -template -OutputIt format_default(OutputIt out, double value) { - writer w(out); - w.write(value); - return w.out(); -} - -template -OutputIt format_default(OutputIt out, Char value) { - *out++ = value; - return out; -} - -template -OutputIt format_default(OutputIt out, const Char* value) { - auto length = std::char_traits::length(value); - return copy_str(value, value + length, out); -} - -// A replacement field that refers to argument N. -template struct field { - using char_type = Char; - - template - OutputIt format(OutputIt out, const Args&... args) const { - // This ensures that the argument type is convertile to `const T&`. - const T& arg = get(args...); - return format_default(out, arg); - } -}; - -template -struct is_compiled_format> : std::true_type {}; - -template struct concat { - L lhs; - R rhs; - using char_type = typename L::char_type; - - template - OutputIt format(OutputIt out, const Args&... args) const { - out = lhs.format(out, args...); - return rhs.format(out, args...); - } -}; - -template -struct is_compiled_format> : std::true_type {}; - -template -constexpr concat make_concat(L lhs, R rhs) { - return {lhs, rhs}; -} - -struct unknown_format {}; - -template -constexpr size_t parse_text(basic_string_view str, size_t pos) { - for (size_t size = str.size(); pos != size; ++pos) { - if (str[pos] == '{' || str[pos] == '}') break; - } - return pos; -} - -template -constexpr auto compile_format_string(S format_str); - -template -constexpr auto parse_tail(T head, S format_str) { - if constexpr (POS != to_string_view(format_str).size()) { - constexpr auto tail = compile_format_string(format_str); - if constexpr (std::is_same, - unknown_format>()) - return tail; - else - return make_concat(head, tail); - } else { - return head; - } -} - -// Compiles a non-empty format string and returns the compiled representation -// or unknown_format() on unrecognized input. -template -constexpr auto compile_format_string(S format_str) { - using char_type = typename S::char_type; - constexpr basic_string_view str = format_str; - if constexpr (str[POS] == '{') { - if (POS + 1 == str.size()) - throw format_error("unmatched '{' in format string"); - if constexpr (str[POS + 1] == '{') { - return parse_tail(make_text(str, POS, 1), format_str); - } else if constexpr (str[POS + 1] == '}') { - using type = get_type; - if constexpr (std::is_same::value) { - return parse_tail(field(), - format_str); - } else { - return unknown_format(); - } - } else { - return unknown_format(); - } - } else if constexpr (str[POS] == '}') { - if (POS + 1 == str.size()) - throw format_error("unmatched '}' in format string"); - return parse_tail(make_text(str, POS, 1), format_str); - } else { - constexpr auto end = parse_text(str, POS + 1); - return parse_tail(make_text(str, POS, end - POS), - format_str); - } -} -#endif // __cpp_if_constexpr -} // namespace internal - -#if FMT_USE_CONSTEXPR -# ifdef __cpp_if_constexpr -template ::value)> -constexpr auto compile(S format_str) { - constexpr basic_string_view str = format_str; - if constexpr (str.size() == 0) { - return internal::make_text(str, 0, 0); - } else { - constexpr auto result = - internal::compile_format_string, 0, 0>( - format_str); - if constexpr (std::is_same, - internal::unknown_format>()) { - return internal::compiled_format(to_string_view(format_str)); - } else { - return result; - } - } -} - -template ::value)> -std::basic_string format(const CompiledFormat& cf, const Args&... args) { - basic_memory_buffer buffer; - cf.format(std::back_inserter(buffer), args...); - return to_string(buffer); -} - -template ::value)> -OutputIt format_to(OutputIt out, const CompiledFormat& cf, - const Args&... args) { - return cf.format(out, args...); -} -# else -template ::value)> -constexpr auto compile(S format_str) -> internal::compiled_format { - return internal::compiled_format(to_string_view(format_str)); -} -# endif // __cpp_if_constexpr -#endif // FMT_USE_CONSTEXPR - -// Compiles the format string which must be a string literal. -template -auto compile(const Char (&format_str)[N]) - -> internal::compiled_format { - return internal::compiled_format( - basic_string_view(format_str, N - 1)); -} - -template ::value)> -std::basic_string format(const CompiledFormat& cf, const Args&... args) { - basic_memory_buffer buffer; - using range = buffer_range; - using context = buffer_context; - internal::cf::vformat_to(range(buffer), cf, - make_format_args(args...)); - return to_string(buffer); -} - -template ::value)> -OutputIt format_to(OutputIt out, const CompiledFormat& cf, - const Args&... args) { - using char_type = typename CompiledFormat::char_type; - using range = internal::output_range; - using context = format_context_t; - return internal::cf::vformat_to(range(out), cf, - make_format_args(args...)); -} - -template ::value)> -format_to_n_result format_to_n(OutputIt out, size_t n, - const CompiledFormat& cf, - const Args&... args) { - auto it = - format_to(internal::truncating_iterator(out, n), cf, args...); - return {it.base(), it.count()}; -} - -template -std::size_t formatted_size(const CompiledFormat& cf, const Args&... args) { - return format_to(internal::counting_iterator(), cf, args...).count(); -} - -FMT_END_NAMESPACE - -#endif // FMT_COMPILE_H_ diff --git a/third-party/include/fmt/core.h b/third-party/include/fmt/core.h deleted file mode 100644 index 6df2875..0000000 --- a/third-party/include/fmt/core.h +++ /dev/null @@ -1,1789 +0,0 @@ -// Formatting library for C++ - the core API -// -// Copyright (c) 2012 - present, Victor Zverovich -// All rights reserved. -// -// For the license information refer to format.h. - -#ifndef FMT_CORE_H_ -#define FMT_CORE_H_ - -#include // std::FILE -#include -#include -#include -#include -#include -#include -#include - -// The fmt library version in the form major * 10000 + minor * 100 + patch. -#define FMT_VERSION 60200 - -#ifdef __has_feature -# define FMT_HAS_FEATURE(x) __has_feature(x) -#else -# define FMT_HAS_FEATURE(x) 0 -#endif - -#if defined(__has_include) && !defined(__INTELLISENSE__) && \ - !(defined(__INTEL_COMPILER) && __INTEL_COMPILER < 1600) -# define FMT_HAS_INCLUDE(x) __has_include(x) -#else -# define FMT_HAS_INCLUDE(x) 0 -#endif - -#ifdef __has_cpp_attribute -# define FMT_HAS_CPP_ATTRIBUTE(x) __has_cpp_attribute(x) -#else -# define FMT_HAS_CPP_ATTRIBUTE(x) 0 -#endif - -#define FMT_HAS_CPP14_ATTRIBUTE(attribute) \ - (__cplusplus >= 201402L && FMT_HAS_CPP_ATTRIBUTE(attribute)) - -#define FMT_HAS_CPP17_ATTRIBUTE(attribute) \ - (__cplusplus >= 201703L && FMT_HAS_CPP_ATTRIBUTE(attribute)) - -#ifdef __clang__ -# define FMT_CLANG_VERSION (__clang_major__ * 100 + __clang_minor__) -#else -# define FMT_CLANG_VERSION 0 -#endif - -#if defined(__GNUC__) && !defined(__clang__) -# define FMT_GCC_VERSION (__GNUC__ * 100 + __GNUC_MINOR__) -#else -# define FMT_GCC_VERSION 0 -#endif - -#if __cplusplus >= 201103L || defined(__GXX_EXPERIMENTAL_CXX0X__) -# define FMT_HAS_GXX_CXX11 FMT_GCC_VERSION -#else -# define FMT_HAS_GXX_CXX11 0 -#endif - -#ifdef __NVCC__ -# define FMT_NVCC __NVCC__ -#else -# define FMT_NVCC 0 -#endif - -#ifdef _MSC_VER -# define FMT_MSC_VER _MSC_VER -#else -# define FMT_MSC_VER 0 -#endif - -// Check if relaxed C++14 constexpr is supported. -// GCC doesn't allow throw in constexpr until version 6 (bug 67371). -#ifndef FMT_USE_CONSTEXPR -# define FMT_USE_CONSTEXPR \ - (FMT_HAS_FEATURE(cxx_relaxed_constexpr) || FMT_MSC_VER >= 1910 || \ - (FMT_GCC_VERSION >= 600 && __cplusplus >= 201402L)) && \ - !FMT_NVCC -#endif -#if FMT_USE_CONSTEXPR -# define FMT_CONSTEXPR constexpr -# define FMT_CONSTEXPR_DECL constexpr -#else -# define FMT_CONSTEXPR inline -# define FMT_CONSTEXPR_DECL -#endif - -#ifndef FMT_OVERRIDE -# if FMT_HAS_FEATURE(cxx_override) || \ - (FMT_GCC_VERSION >= 408 && FMT_HAS_GXX_CXX11) || FMT_MSC_VER >= 1900 -# define FMT_OVERRIDE override -# else -# define FMT_OVERRIDE -# endif -#endif - -// Check if exceptions are disabled. -#ifndef FMT_EXCEPTIONS -# if (defined(__GNUC__) && !defined(__EXCEPTIONS)) || \ - FMT_MSC_VER && !_HAS_EXCEPTIONS -# define FMT_EXCEPTIONS 0 -# else -# define FMT_EXCEPTIONS 1 -# endif -#endif - -// Define FMT_USE_NOEXCEPT to make fmt use noexcept (C++11 feature). -#ifndef FMT_USE_NOEXCEPT -# define FMT_USE_NOEXCEPT 0 -#endif - -#if FMT_USE_NOEXCEPT || FMT_HAS_FEATURE(cxx_noexcept) || \ - (FMT_GCC_VERSION >= 408 && FMT_HAS_GXX_CXX11) || FMT_MSC_VER >= 1900 -# define FMT_DETECTED_NOEXCEPT noexcept -# define FMT_HAS_CXX11_NOEXCEPT 1 -#else -# define FMT_DETECTED_NOEXCEPT throw() -# define FMT_HAS_CXX11_NOEXCEPT 0 -#endif - -#ifndef FMT_NOEXCEPT -# if FMT_EXCEPTIONS || FMT_HAS_CXX11_NOEXCEPT -# define FMT_NOEXCEPT FMT_DETECTED_NOEXCEPT -# else -# define FMT_NOEXCEPT -# endif -#endif - -// [[noreturn]] is disabled on MSVC and NVCC because of bogus unreachable code -// warnings. -#if FMT_EXCEPTIONS && FMT_HAS_CPP_ATTRIBUTE(noreturn) && !FMT_MSC_VER && \ - !FMT_NVCC -# define FMT_NORETURN [[noreturn]] -#else -# define FMT_NORETURN -#endif - -#ifndef FMT_MAYBE_UNUSED -# if FMT_HAS_CPP17_ATTRIBUTE(maybe_unused) -# define FMT_MAYBE_UNUSED [[maybe_unused]] -# else -# define FMT_MAYBE_UNUSED -# endif -#endif - -#ifndef FMT_DEPRECATED -# if FMT_HAS_CPP14_ATTRIBUTE(deprecated) || FMT_MSC_VER >= 1900 -# define FMT_DEPRECATED [[deprecated]] -# else -# if defined(__GNUC__) || defined(__clang__) -# define FMT_DEPRECATED __attribute__((deprecated)) -# elif FMT_MSC_VER -# define FMT_DEPRECATED __declspec(deprecated) -# else -# define FMT_DEPRECATED /* deprecated */ -# endif -# endif -#endif - -// Workaround broken [[deprecated]] in the Intel, PGI and NVCC compilers. -#if defined(__INTEL_COMPILER) || defined(__PGI) || FMT_NVCC -# define FMT_DEPRECATED_ALIAS -#else -# define FMT_DEPRECATED_ALIAS FMT_DEPRECATED -#endif - -#ifndef FMT_BEGIN_NAMESPACE -# if FMT_HAS_FEATURE(cxx_inline_namespaces) || FMT_GCC_VERSION >= 404 || \ - FMT_MSC_VER >= 1900 -# define FMT_INLINE_NAMESPACE inline namespace -# define FMT_END_NAMESPACE \ - } \ - } -# else -# define FMT_INLINE_NAMESPACE namespace -# define FMT_END_NAMESPACE \ - } \ - using namespace v6; \ - } -# endif -# define FMT_BEGIN_NAMESPACE \ - namespace fmt { \ - FMT_INLINE_NAMESPACE v6 { -#endif - -#if !defined(FMT_HEADER_ONLY) && defined(_WIN32) -# if FMT_MSC_VER -# define FMT_NO_W4275 __pragma(warning(suppress : 4275)) -# else -# define FMT_NO_W4275 -# endif -# define FMT_CLASS_API FMT_NO_W4275 -# ifdef FMT_EXPORT -# define FMT_API __declspec(dllexport) -# elif defined(FMT_SHARED) -# define FMT_API __declspec(dllimport) -# define FMT_EXTERN_TEMPLATE_API FMT_API -# endif -#endif -#ifndef FMT_CLASS_API -# define FMT_CLASS_API -#endif -#ifndef FMT_API -# if FMT_GCC_VERSION || FMT_CLANG_VERSION -# define FMT_API __attribute__((visibility("default"))) -# define FMT_EXTERN_TEMPLATE_API FMT_API -# define FMT_INSTANTIATION_DEF_API -# else -# define FMT_API -# endif -#endif -#ifndef FMT_EXTERN_TEMPLATE_API -# define FMT_EXTERN_TEMPLATE_API -#endif -#ifndef FMT_INSTANTIATION_DEF_API -# define FMT_INSTANTIATION_DEF_API FMT_API -#endif - -#ifndef FMT_HEADER_ONLY -# define FMT_EXTERN extern -#else -# define FMT_EXTERN -#endif - -// libc++ supports string_view in pre-c++17. -#if (FMT_HAS_INCLUDE() && \ - (__cplusplus > 201402L || defined(_LIBCPP_VERSION))) || \ - (defined(_MSVC_LANG) && _MSVC_LANG > 201402L && _MSC_VER >= 1910) -# include -# define FMT_USE_STRING_VIEW -#elif FMT_HAS_INCLUDE("experimental/string_view") && __cplusplus >= 201402L -# include -# define FMT_USE_EXPERIMENTAL_STRING_VIEW -#endif - -#ifndef FMT_UNICODE -# define FMT_UNICODE !FMT_MSC_VER -#endif -#if FMT_UNICODE && FMT_MSC_VER -# pragma execution_character_set("utf-8") -#endif - -FMT_BEGIN_NAMESPACE - -// Implementations of enable_if_t and other metafunctions for older systems. -template -using enable_if_t = typename std::enable_if::type; -template -using conditional_t = typename std::conditional::type; -template using bool_constant = std::integral_constant; -template -using remove_reference_t = typename std::remove_reference::type; -template -using remove_const_t = typename std::remove_const::type; -template -using remove_cvref_t = typename std::remove_cv>::type; -template struct type_identity { using type = T; }; -template using type_identity_t = typename type_identity::type; - -struct monostate {}; - -// An enable_if helper to be used in template parameters which results in much -// shorter symbols: https://godbolt.org/z/sWw4vP. Extra parentheses are needed -// to workaround a bug in MSVC 2019 (see #1140 and #1186). -#define FMT_ENABLE_IF(...) enable_if_t<(__VA_ARGS__), int> = 0 - -namespace internal { - -// A helper function to suppress bogus "conditional expression is constant" -// warnings. -template FMT_CONSTEXPR T const_check(T value) { return value; } - -// A workaround for gcc 4.8 to make void_t work in a SFINAE context. -template struct void_t_impl { using type = void; }; - -FMT_NORETURN FMT_API void assert_fail(const char* file, int line, - const char* message); - -#ifndef FMT_ASSERT -# ifdef NDEBUG -// FMT_ASSERT is not empty to avoid -Werror=empty-body. -# define FMT_ASSERT(condition, message) ((void)0) -# else -# define FMT_ASSERT(condition, message) \ - ((condition) /* void() fails with -Winvalid-constexpr on clang 4.0.1 */ \ - ? (void)0 \ - : ::fmt::internal::assert_fail(__FILE__, __LINE__, (message))) -# endif -#endif - -#if defined(FMT_USE_STRING_VIEW) -template using std_string_view = std::basic_string_view; -#elif defined(FMT_USE_EXPERIMENTAL_STRING_VIEW) -template -using std_string_view = std::experimental::basic_string_view; -#else -template struct std_string_view {}; -#endif - -#ifdef FMT_USE_INT128 -// Do nothing. -#elif defined(__SIZEOF_INT128__) && !FMT_NVCC -# define FMT_USE_INT128 1 -using int128_t = __int128_t; -using uint128_t = __uint128_t; -#else -# define FMT_USE_INT128 0 -#endif -#if !FMT_USE_INT128 -struct int128_t {}; -struct uint128_t {}; -#endif - -// Casts a nonnegative integer to unsigned. -template -FMT_CONSTEXPR typename std::make_unsigned::type to_unsigned(Int value) { - FMT_ASSERT(value >= 0, "negative value"); - return static_cast::type>(value); -} - -constexpr unsigned char micro[] = "\u00B5"; - -template constexpr bool is_unicode() { - return FMT_UNICODE || sizeof(Char) != 1 || - (sizeof(micro) == 3 && micro[0] == 0xC2 && micro[1] == 0xB5); -} - -#ifdef __cpp_char8_t -using char8_type = char8_t; -#else -enum char8_type : unsigned char {}; -#endif -} // namespace internal - -template -using void_t = typename internal::void_t_impl::type; - -/** - An implementation of ``std::basic_string_view`` for pre-C++17. It provides a - subset of the API. ``fmt::basic_string_view`` is used for format strings even - if ``std::string_view`` is available to prevent issues when a library is - compiled with a different ``-std`` option than the client code (which is not - recommended). - */ -template class basic_string_view { - private: - const Char* data_; - size_t size_; - - public: - using char_type FMT_DEPRECATED_ALIAS = Char; - using value_type = Char; - using iterator = const Char*; - - FMT_CONSTEXPR basic_string_view() FMT_NOEXCEPT : data_(nullptr), size_(0) {} - - /** Constructs a string reference object from a C string and a size. */ - FMT_CONSTEXPR basic_string_view(const Char* s, size_t count) FMT_NOEXCEPT - : data_(s), - size_(count) {} - - /** - \rst - Constructs a string reference object from a C string computing - the size with ``std::char_traits::length``. - \endrst - */ -#if __cplusplus >= 201703L // C++17's char_traits::length() is constexpr. - FMT_CONSTEXPR -#endif - basic_string_view(const Char* s) - : data_(s), size_(std::char_traits::length(s)) {} - - /** Constructs a string reference from a ``std::basic_string`` object. */ - template - FMT_CONSTEXPR basic_string_view( - const std::basic_string& s) FMT_NOEXCEPT - : data_(s.data()), - size_(s.size()) {} - - template < - typename S, - FMT_ENABLE_IF(std::is_same>::value)> - FMT_CONSTEXPR basic_string_view(S s) FMT_NOEXCEPT : data_(s.data()), - size_(s.size()) {} - - /** Returns a pointer to the string data. */ - FMT_CONSTEXPR const Char* data() const { return data_; } - - /** Returns the string size. */ - FMT_CONSTEXPR size_t size() const { return size_; } - - FMT_CONSTEXPR iterator begin() const { return data_; } - FMT_CONSTEXPR iterator end() const { return data_ + size_; } - - FMT_CONSTEXPR const Char& operator[](size_t pos) const { return data_[pos]; } - - FMT_CONSTEXPR void remove_prefix(size_t n) { - data_ += n; - size_ -= n; - } - - // Lexicographically compare this string reference to other. - int compare(basic_string_view other) const { - size_t str_size = size_ < other.size_ ? size_ : other.size_; - int result = std::char_traits::compare(data_, other.data_, str_size); - if (result == 0) - result = size_ == other.size_ ? 0 : (size_ < other.size_ ? -1 : 1); - return result; - } - - friend bool operator==(basic_string_view lhs, basic_string_view rhs) { - return lhs.compare(rhs) == 0; - } - friend bool operator!=(basic_string_view lhs, basic_string_view rhs) { - return lhs.compare(rhs) != 0; - } - friend bool operator<(basic_string_view lhs, basic_string_view rhs) { - return lhs.compare(rhs) < 0; - } - friend bool operator<=(basic_string_view lhs, basic_string_view rhs) { - return lhs.compare(rhs) <= 0; - } - friend bool operator>(basic_string_view lhs, basic_string_view rhs) { - return lhs.compare(rhs) > 0; - } - friend bool operator>=(basic_string_view lhs, basic_string_view rhs) { - return lhs.compare(rhs) >= 0; - } -}; - -using string_view = basic_string_view; -using wstring_view = basic_string_view; - -#ifndef __cpp_char8_t -// char8_t is deprecated; use char instead. -using char8_t FMT_DEPRECATED_ALIAS = internal::char8_type; -#endif - -/** Specifies if ``T`` is a character type. Can be specialized by users. */ -template struct is_char : std::false_type {}; -template <> struct is_char : std::true_type {}; -template <> struct is_char : std::true_type {}; -template <> struct is_char : std::true_type {}; -template <> struct is_char : std::true_type {}; -template <> struct is_char : std::true_type {}; - -/** - \rst - Returns a string view of `s`. In order to add custom string type support to - {fmt} provide an overload of `to_string_view` for it in the same namespace as - the type for the argument-dependent lookup to work. - - **Example**:: - - namespace my_ns { - inline string_view to_string_view(const my_string& s) { - return {s.data(), s.length()}; - } - } - std::string message = fmt::format(my_string("The answer is {}"), 42); - \endrst - */ -template ::value)> -inline basic_string_view to_string_view(const Char* s) { - return s; -} - -template -inline basic_string_view to_string_view( - const std::basic_string& s) { - return s; -} - -template -inline basic_string_view to_string_view(basic_string_view s) { - return s; -} - -template >::value)> -inline basic_string_view to_string_view( - internal::std_string_view s) { - return s; -} - -// A base class for compile-time strings. It is defined in the fmt namespace to -// make formatting functions visible via ADL, e.g. format(fmt("{}"), 42). -struct compile_string {}; - -template -struct is_compile_string : std::is_base_of {}; - -template ::value)> -constexpr basic_string_view to_string_view(const S& s) { - return s; -} - -namespace internal { -void to_string_view(...); -using fmt::v6::to_string_view; - -// Specifies whether S is a string type convertible to fmt::basic_string_view. -// It should be a constexpr function but MSVC 2017 fails to compile it in -// enable_if and MSVC 2015 fails to compile it as an alias template. -template -struct is_string : std::is_class()))> { -}; - -template struct char_t_impl {}; -template struct char_t_impl::value>> { - using result = decltype(to_string_view(std::declval())); - using type = typename result::value_type; -}; - -struct error_handler { - FMT_CONSTEXPR error_handler() = default; - FMT_CONSTEXPR error_handler(const error_handler&) = default; - - // This function is intentionally not constexpr to give a compile-time error. - FMT_NORETURN FMT_API void on_error(const char* message); -}; -} // namespace internal - -/** String's character type. */ -template using char_t = typename internal::char_t_impl::type; - -/** - \rst - Parsing context consisting of a format string range being parsed and an - argument counter for automatic indexing. - - You can use one of the following type aliases for common character types: - - +-----------------------+-------------------------------------+ - | Type | Definition | - +=======================+=====================================+ - | format_parse_context | basic_format_parse_context | - +-----------------------+-------------------------------------+ - | wformat_parse_context | basic_format_parse_context | - +-----------------------+-------------------------------------+ - \endrst - */ -template -class basic_format_parse_context : private ErrorHandler { - private: - basic_string_view format_str_; - int next_arg_id_; - - public: - using char_type = Char; - using iterator = typename basic_string_view::iterator; - - explicit FMT_CONSTEXPR basic_format_parse_context( - basic_string_view format_str, ErrorHandler eh = ErrorHandler()) - : ErrorHandler(eh), format_str_(format_str), next_arg_id_(0) {} - - /** - Returns an iterator to the beginning of the format string range being - parsed. - */ - FMT_CONSTEXPR iterator begin() const FMT_NOEXCEPT { - return format_str_.begin(); - } - - /** - Returns an iterator past the end of the format string range being parsed. - */ - FMT_CONSTEXPR iterator end() const FMT_NOEXCEPT { return format_str_.end(); } - - /** Advances the begin iterator to ``it``. */ - FMT_CONSTEXPR void advance_to(iterator it) { - format_str_.remove_prefix(internal::to_unsigned(it - begin())); - } - - /** - Reports an error if using the manual argument indexing; otherwise returns - the next argument index and switches to the automatic indexing. - */ - FMT_CONSTEXPR int next_arg_id() { - if (next_arg_id_ >= 0) return next_arg_id_++; - on_error("cannot switch from manual to automatic argument indexing"); - return 0; - } - - /** - Reports an error if using the automatic argument indexing; otherwise - switches to the manual indexing. - */ - FMT_CONSTEXPR void check_arg_id(int) { - if (next_arg_id_ > 0) - on_error("cannot switch from automatic to manual argument indexing"); - else - next_arg_id_ = -1; - } - - FMT_CONSTEXPR void check_arg_id(basic_string_view) {} - - FMT_CONSTEXPR void on_error(const char* message) { - ErrorHandler::on_error(message); - } - - FMT_CONSTEXPR ErrorHandler error_handler() const { return *this; } -}; - -using format_parse_context = basic_format_parse_context; -using wformat_parse_context = basic_format_parse_context; - -template -using basic_parse_context FMT_DEPRECATED_ALIAS = - basic_format_parse_context; -using parse_context FMT_DEPRECATED_ALIAS = basic_format_parse_context; -using wparse_context FMT_DEPRECATED_ALIAS = basic_format_parse_context; - -template class basic_format_arg; -template class basic_format_args; - -// A formatter for objects of type T. -template -struct formatter { - // A deleted default constructor indicates a disabled formatter. - formatter() = delete; -}; - -template -struct FMT_DEPRECATED convert_to_int - : bool_constant::value && - std::is_convertible::value> {}; - -// Specifies if T has an enabled formatter specialization. A type can be -// formattable even if it doesn't have a formatter e.g. via a conversion. -template -using has_formatter = - std::is_constructible>; - -namespace internal { - -/** A contiguous memory buffer with an optional growing ability. */ -template class buffer { - private: - T* ptr_; - std::size_t size_; - std::size_t capacity_; - - protected: - // Don't initialize ptr_ since it is not accessed to save a few cycles. - buffer(std::size_t sz) FMT_NOEXCEPT : size_(sz), capacity_(sz) {} - - buffer(T* p = nullptr, std::size_t sz = 0, std::size_t cap = 0) FMT_NOEXCEPT - : ptr_(p), - size_(sz), - capacity_(cap) {} - - /** Sets the buffer data and capacity. */ - void set(T* buf_data, std::size_t buf_capacity) FMT_NOEXCEPT { - ptr_ = buf_data; - capacity_ = buf_capacity; - } - - /** Increases the buffer capacity to hold at least *capacity* elements. */ - virtual void grow(std::size_t capacity) = 0; - - public: - using value_type = T; - using const_reference = const T&; - - buffer(const buffer&) = delete; - void operator=(const buffer&) = delete; - virtual ~buffer() = default; - - T* begin() FMT_NOEXCEPT { return ptr_; } - T* end() FMT_NOEXCEPT { return ptr_ + size_; } - - const T* begin() const FMT_NOEXCEPT { return ptr_; } - const T* end() const FMT_NOEXCEPT { return ptr_ + size_; } - - /** Returns the size of this buffer. */ - std::size_t size() const FMT_NOEXCEPT { return size_; } - - /** Returns the capacity of this buffer. */ - std::size_t capacity() const FMT_NOEXCEPT { return capacity_; } - - /** Returns a pointer to the buffer data. */ - T* data() FMT_NOEXCEPT { return ptr_; } - - /** Returns a pointer to the buffer data. */ - const T* data() const FMT_NOEXCEPT { return ptr_; } - - /** - Resizes the buffer. If T is a POD type new elements may not be initialized. - */ - void resize(std::size_t new_size) { - reserve(new_size); - size_ = new_size; - } - - /** Clears this buffer. */ - void clear() { size_ = 0; } - - /** Reserves space to store at least *capacity* elements. */ - void reserve(std::size_t new_capacity) { - if (new_capacity > capacity_) grow(new_capacity); - } - - void push_back(const T& value) { - reserve(size_ + 1); - ptr_[size_++] = value; - } - - /** Appends data to the end of the buffer. */ - template void append(const U* begin, const U* end); - - template T& operator[](I index) { return ptr_[index]; } - template const T& operator[](I index) const { - return ptr_[index]; - } -}; - -// A container-backed buffer. -template -class container_buffer : public buffer { - private: - Container& container_; - - protected: - void grow(std::size_t capacity) FMT_OVERRIDE { - container_.resize(capacity); - this->set(&container_[0], capacity); - } - - public: - explicit container_buffer(Container& c) - : buffer(c.size()), container_(c) {} -}; - -// Extracts a reference to the container from back_insert_iterator. -template -inline Container& get_container(std::back_insert_iterator it) { - using bi_iterator = std::back_insert_iterator; - struct accessor : bi_iterator { - accessor(bi_iterator iter) : bi_iterator(iter) {} - using bi_iterator::container; - }; - return *accessor(it).container; -} - -template -struct fallback_formatter { - fallback_formatter() = delete; -}; - -// Specifies if T has an enabled fallback_formatter specialization. -template -using has_fallback_formatter = - std::is_constructible>; - -template struct named_arg_base; -template struct named_arg; - -enum class type { - none_type, - named_arg_type, - // Integer types should go first, - int_type, - uint_type, - long_long_type, - ulong_long_type, - int128_type, - uint128_type, - bool_type, - char_type, - last_integer_type = char_type, - // followed by floating-point types. - float_type, - double_type, - long_double_type, - last_numeric_type = long_double_type, - cstring_type, - string_type, - pointer_type, - custom_type -}; - -// Maps core type T to the corresponding type enum constant. -template -struct type_constant : std::integral_constant {}; - -#define FMT_TYPE_CONSTANT(Type, constant) \ - template \ - struct type_constant \ - : std::integral_constant {} - -FMT_TYPE_CONSTANT(const named_arg_base&, named_arg_type); -FMT_TYPE_CONSTANT(int, int_type); -FMT_TYPE_CONSTANT(unsigned, uint_type); -FMT_TYPE_CONSTANT(long long, long_long_type); -FMT_TYPE_CONSTANT(unsigned long long, ulong_long_type); -FMT_TYPE_CONSTANT(int128_t, int128_type); -FMT_TYPE_CONSTANT(uint128_t, uint128_type); -FMT_TYPE_CONSTANT(bool, bool_type); -FMT_TYPE_CONSTANT(Char, char_type); -FMT_TYPE_CONSTANT(float, float_type); -FMT_TYPE_CONSTANT(double, double_type); -FMT_TYPE_CONSTANT(long double, long_double_type); -FMT_TYPE_CONSTANT(const Char*, cstring_type); -FMT_TYPE_CONSTANT(basic_string_view, string_type); -FMT_TYPE_CONSTANT(const void*, pointer_type); - -FMT_CONSTEXPR bool is_integral_type(type t) { - FMT_ASSERT(t != type::named_arg_type, "invalid argument type"); - return t > type::none_type && t <= type::last_integer_type; -} - -FMT_CONSTEXPR bool is_arithmetic_type(type t) { - FMT_ASSERT(t != type::named_arg_type, "invalid argument type"); - return t > type::none_type && t <= type::last_numeric_type; -} - -template struct string_value { - const Char* data; - std::size_t size; -}; - -template struct custom_value { - using parse_context = basic_format_parse_context; - const void* value; - void (*format)(const void* arg, parse_context& parse_ctx, Context& ctx); -}; - -// A formatting argument value. -template class value { - public: - using char_type = typename Context::char_type; - - union { - int int_value; - unsigned uint_value; - long long long_long_value; - unsigned long long ulong_long_value; - int128_t int128_value; - uint128_t uint128_value; - bool bool_value; - char_type char_value; - float float_value; - double double_value; - long double long_double_value; - const void* pointer; - string_value string; - custom_value custom; - const named_arg_base* named_arg; - }; - - FMT_CONSTEXPR value(int val = 0) : int_value(val) {} - FMT_CONSTEXPR value(unsigned val) : uint_value(val) {} - value(long long val) : long_long_value(val) {} - value(unsigned long long val) : ulong_long_value(val) {} - value(int128_t val) : int128_value(val) {} - value(uint128_t val) : uint128_value(val) {} - value(float val) : float_value(val) {} - value(double val) : double_value(val) {} - value(long double val) : long_double_value(val) {} - value(bool val) : bool_value(val) {} - value(char_type val) : char_value(val) {} - value(const char_type* val) { string.data = val; } - value(basic_string_view val) { - string.data = val.data(); - string.size = val.size(); - } - value(const void* val) : pointer(val) {} - - template value(const T& val) { - custom.value = &val; - // Get the formatter type through the context to allow different contexts - // have different extension points, e.g. `formatter` for `format` and - // `printf_formatter` for `printf`. - custom.format = format_custom_arg< - T, conditional_t::value, - typename Context::template formatter_type, - fallback_formatter>>; - } - - value(const named_arg_base& val) { named_arg = &val; } - - private: - // Formats an argument of a custom type, such as a user-defined class. - template - static void format_custom_arg( - const void* arg, basic_format_parse_context& parse_ctx, - Context& ctx) { - Formatter f; - parse_ctx.advance_to(f.parse(parse_ctx)); - ctx.advance_to(f.format(*static_cast(arg), ctx)); - } -}; - -template -FMT_CONSTEXPR basic_format_arg make_arg(const T& value); - -// To minimize the number of types we need to deal with, long is translated -// either to int or to long long depending on its size. -enum { long_short = sizeof(long) == sizeof(int) }; -using long_type = conditional_t; -using ulong_type = conditional_t; - -// Maps formatting arguments to core types. -template struct arg_mapper { - using char_type = typename Context::char_type; - - FMT_CONSTEXPR int map(signed char val) { return val; } - FMT_CONSTEXPR unsigned map(unsigned char val) { return val; } - FMT_CONSTEXPR int map(short val) { return val; } - FMT_CONSTEXPR unsigned map(unsigned short val) { return val; } - FMT_CONSTEXPR int map(int val) { return val; } - FMT_CONSTEXPR unsigned map(unsigned val) { return val; } - FMT_CONSTEXPR long_type map(long val) { return val; } - FMT_CONSTEXPR ulong_type map(unsigned long val) { return val; } - FMT_CONSTEXPR long long map(long long val) { return val; } - FMT_CONSTEXPR unsigned long long map(unsigned long long val) { return val; } - FMT_CONSTEXPR int128_t map(int128_t val) { return val; } - FMT_CONSTEXPR uint128_t map(uint128_t val) { return val; } - FMT_CONSTEXPR bool map(bool val) { return val; } - - template ::value)> - FMT_CONSTEXPR char_type map(T val) { - static_assert( - std::is_same::value || std::is_same::value, - "mixing character types is disallowed"); - return val; - } - - FMT_CONSTEXPR float map(float val) { return val; } - FMT_CONSTEXPR double map(double val) { return val; } - FMT_CONSTEXPR long double map(long double val) { return val; } - - FMT_CONSTEXPR const char_type* map(char_type* val) { return val; } - FMT_CONSTEXPR const char_type* map(const char_type* val) { return val; } - template ::value)> - FMT_CONSTEXPR basic_string_view map(const T& val) { - static_assert(std::is_same>::value, - "mixing character types is disallowed"); - return to_string_view(val); - } - template , T>::value && - !is_string::value && !has_formatter::value && - !has_fallback_formatter::value)> - FMT_CONSTEXPR basic_string_view map(const T& val) { - return basic_string_view(val); - } - template < - typename T, - FMT_ENABLE_IF( - std::is_constructible, T>::value && - !std::is_constructible, T>::value && - !is_string::value && !has_formatter::value && - !has_fallback_formatter::value)> - FMT_CONSTEXPR basic_string_view map(const T& val) { - return std_string_view(val); - } - FMT_CONSTEXPR const char* map(const signed char* val) { - static_assert(std::is_same::value, "invalid string type"); - return reinterpret_cast(val); - } - FMT_CONSTEXPR const char* map(const unsigned char* val) { - static_assert(std::is_same::value, "invalid string type"); - return reinterpret_cast(val); - } - - FMT_CONSTEXPR const void* map(void* val) { return val; } - FMT_CONSTEXPR const void* map(const void* val) { return val; } - FMT_CONSTEXPR const void* map(std::nullptr_t val) { return val; } - template FMT_CONSTEXPR int map(const T*) { - // Formatting of arbitrary pointers is disallowed. If you want to output - // a pointer cast it to "void *" or "const void *". In particular, this - // forbids formatting of "[const] volatile char *" which is printed as bool - // by iostreams. - static_assert(!sizeof(T), "formatting of non-void pointers is disallowed"); - return 0; - } - - template ::value && - !has_formatter::value && - !has_fallback_formatter::value)> - FMT_CONSTEXPR auto map(const T& val) - -> decltype(std::declval().map( - static_cast::type>(val))) { - return map(static_cast::type>(val)); - } - template ::value && !is_char::value && - (has_formatter::value || - has_fallback_formatter::value))> - FMT_CONSTEXPR const T& map(const T& val) { - return val; - } - - template - FMT_CONSTEXPR const named_arg_base& map( - const named_arg& val) { - auto arg = make_arg(val.value); - std::memcpy(val.data, &arg, sizeof(arg)); - return val; - } - - int map(...) { - constexpr bool formattable = sizeof(Context) == 0; - static_assert( - formattable, - "Cannot format argument. To make type T formattable provide a " - "formatter specialization: " - "https://fmt.dev/latest/api.html#formatting-user-defined-types"); - return 0; - } -}; - -// A type constant after applying arg_mapper. -template -using mapped_type_constant = - type_constant().map(std::declval())), - typename Context::char_type>; - -enum { packed_arg_bits = 5 }; -// Maximum number of arguments with packed types. -enum { max_packed_args = 63 / packed_arg_bits }; -enum : unsigned long long { is_unpacked_bit = 1ULL << 63 }; - -template class arg_map; -} // namespace internal - -// A formatting argument. It is a trivially copyable/constructible type to -// allow storage in basic_memory_buffer. -template class basic_format_arg { - private: - internal::value value_; - internal::type type_; - - template - friend FMT_CONSTEXPR basic_format_arg internal::make_arg( - const T& value); - - template - friend FMT_CONSTEXPR auto visit_format_arg(Visitor&& vis, - const basic_format_arg& arg) - -> decltype(vis(0)); - - friend class basic_format_args; - friend class internal::arg_map; - - using char_type = typename Context::char_type; - - public: - class handle { - public: - explicit handle(internal::custom_value custom) : custom_(custom) {} - - void format(basic_format_parse_context& parse_ctx, - Context& ctx) const { - custom_.format(custom_.value, parse_ctx, ctx); - } - - private: - internal::custom_value custom_; - }; - - FMT_CONSTEXPR basic_format_arg() : type_(internal::type::none_type) {} - - FMT_CONSTEXPR explicit operator bool() const FMT_NOEXCEPT { - return type_ != internal::type::none_type; - } - - internal::type type() const { return type_; } - - bool is_integral() const { return internal::is_integral_type(type_); } - bool is_arithmetic() const { return internal::is_arithmetic_type(type_); } -}; - -/** - \rst - Visits an argument dispatching to the appropriate visit method based on - the argument type. For example, if the argument type is ``double`` then - ``vis(value)`` will be called with the value of type ``double``. - \endrst - */ -template -FMT_CONSTEXPR auto visit_format_arg(Visitor&& vis, - const basic_format_arg& arg) - -> decltype(vis(0)) { - using char_type = typename Context::char_type; - switch (arg.type_) { - case internal::type::none_type: - break; - case internal::type::named_arg_type: - FMT_ASSERT(false, "invalid argument type"); - break; - case internal::type::int_type: - return vis(arg.value_.int_value); - case internal::type::uint_type: - return vis(arg.value_.uint_value); - case internal::type::long_long_type: - return vis(arg.value_.long_long_value); - case internal::type::ulong_long_type: - return vis(arg.value_.ulong_long_value); -#if FMT_USE_INT128 - case internal::type::int128_type: - return vis(arg.value_.int128_value); - case internal::type::uint128_type: - return vis(arg.value_.uint128_value); -#else - case internal::type::int128_type: - case internal::type::uint128_type: - break; -#endif - case internal::type::bool_type: - return vis(arg.value_.bool_value); - case internal::type::char_type: - return vis(arg.value_.char_value); - case internal::type::float_type: - return vis(arg.value_.float_value); - case internal::type::double_type: - return vis(arg.value_.double_value); - case internal::type::long_double_type: - return vis(arg.value_.long_double_value); - case internal::type::cstring_type: - return vis(arg.value_.string.data); - case internal::type::string_type: - return vis(basic_string_view(arg.value_.string.data, - arg.value_.string.size)); - case internal::type::pointer_type: - return vis(arg.value_.pointer); - case internal::type::custom_type: - return vis(typename basic_format_arg::handle(arg.value_.custom)); - } - return vis(monostate()); -} - -namespace internal { -// A map from argument names to their values for named arguments. -template class arg_map { - private: - using char_type = typename Context::char_type; - - struct entry { - basic_string_view name; - basic_format_arg arg; - }; - - entry* map_; - unsigned size_; - - void push_back(value val) { - const auto& named = *val.named_arg; - map_[size_] = {named.name, named.template deserialize()}; - ++size_; - } - - public: - arg_map(const arg_map&) = delete; - void operator=(const arg_map&) = delete; - arg_map() : map_(nullptr), size_(0) {} - void init(const basic_format_args& args); - ~arg_map() { delete[] map_; } - - basic_format_arg find(basic_string_view name) const { - // The list is unsorted, so just return the first matching name. - for (entry *it = map_, *end = map_ + size_; it != end; ++it) { - if (it->name == name) return it->arg; - } - return {}; - } -}; - -// A type-erased reference to an std::locale to avoid heavy include. -class locale_ref { - private: - const void* locale_; // A type-erased pointer to std::locale. - - public: - locale_ref() : locale_(nullptr) {} - template explicit locale_ref(const Locale& loc); - - explicit operator bool() const FMT_NOEXCEPT { return locale_ != nullptr; } - - template Locale get() const; -}; - -template constexpr unsigned long long encode_types() { return 0; } - -template -constexpr unsigned long long encode_types() { - return static_cast(mapped_type_constant::value) | - (encode_types() << packed_arg_bits); -} - -template -FMT_CONSTEXPR basic_format_arg make_arg(const T& value) { - basic_format_arg arg; - arg.type_ = mapped_type_constant::value; - arg.value_ = arg_mapper().map(value); - return arg; -} - -template -inline value make_arg(const T& val) { - return arg_mapper().map(val); -} - -template -inline basic_format_arg make_arg(const T& value) { - return make_arg(value); -} - -template struct is_reference_wrapper : std::false_type {}; - -template -struct is_reference_wrapper> : std::true_type {}; - -class dynamic_arg_list { - // Workaround for clang's -Wweak-vtables. Unlike for regular classes, for - // templates it doesn't complain about inability to deduce single translation - // unit for placing vtable. So storage_node_base is made a fake template. - template struct node { - virtual ~node() = default; - std::unique_ptr> next; - }; - - template struct typed_node : node<> { - T value; - - template - FMT_CONSTEXPR typed_node(const Arg& arg) : value(arg) {} - - template - FMT_CONSTEXPR typed_node(const basic_string_view& arg) - : value(arg.data(), arg.size()) {} - }; - - std::unique_ptr> head_; - - public: - template const T& push(const Arg& arg) { - auto node = std::unique_ptr>(new typed_node(arg)); - auto& value = node->value; - node->next = std::move(head_); - head_ = std::move(node); - return value; - } -}; -} // namespace internal - -// Formatting context. -template class basic_format_context { - public: - /** The character type for the output. */ - using char_type = Char; - - private: - OutputIt out_; - basic_format_args args_; - internal::arg_map map_; - internal::locale_ref loc_; - - public: - using iterator = OutputIt; - using format_arg = basic_format_arg; - template using formatter_type = formatter; - - basic_format_context(const basic_format_context&) = delete; - void operator=(const basic_format_context&) = delete; - /** - Constructs a ``basic_format_context`` object. References to the arguments are - stored in the object so make sure they have appropriate lifetimes. - */ - basic_format_context(OutputIt out, - basic_format_args ctx_args, - internal::locale_ref loc = internal::locale_ref()) - : out_(out), args_(ctx_args), loc_(loc) {} - - format_arg arg(int id) const { return args_.get(id); } - - // Checks if manual indexing is used and returns the argument with the - // specified name. - format_arg arg(basic_string_view name); - - internal::error_handler error_handler() { return {}; } - void on_error(const char* message) { error_handler().on_error(message); } - - // Returns an iterator to the beginning of the output range. - iterator out() { return out_; } - - // Advances the begin iterator to ``it``. - void advance_to(iterator it) { out_ = it; } - - internal::locale_ref locale() { return loc_; } -}; - -template -using buffer_context = - basic_format_context>, - Char>; -using format_context = buffer_context; -using wformat_context = buffer_context; - -/** - \rst - An array of references to arguments. It can be implicitly converted into - `~fmt::basic_format_args` for passing into type-erased formatting functions - such as `~fmt::vformat`. - \endrst - */ -template -class format_arg_store -#if FMT_GCC_VERSION && FMT_GCC_VERSION < 409 - // Workaround a GCC template argument substitution bug. - : public basic_format_args -#endif -{ - private: - static const size_t num_args = sizeof...(Args); - static const bool is_packed = num_args < internal::max_packed_args; - - using value_type = conditional_t, - basic_format_arg>; - - // If the arguments are not packed, add one more element to mark the end. - value_type data_[num_args + (num_args == 0 ? 1 : 0)]; - - friend class basic_format_args; - - public: - static constexpr unsigned long long types = - is_packed ? internal::encode_types() - : internal::is_unpacked_bit | num_args; - - format_arg_store(const Args&... args) - : -#if FMT_GCC_VERSION && FMT_GCC_VERSION < 409 - basic_format_args(*this), -#endif - data_{internal::make_arg(args)...} { - } -}; - -/** - \rst - Constructs an `~fmt::format_arg_store` object that contains references to - arguments and can be implicitly converted to `~fmt::format_args`. `Context` - can be omitted in which case it defaults to `~fmt::context`. - See `~fmt::arg` for lifetime considerations. - \endrst - */ -template -inline format_arg_store make_format_args( - const Args&... args) { - return {args...}; -} - -/** - \rst - A dynamic version of `fmt::format_arg_store<>`. - It's equipped with a storage to potentially temporary objects which lifetime - could be shorter than the format arguments object. - - It can be implicitly converted into `~fmt::basic_format_args` for passing - into type-erased formatting functions such as `~fmt::vformat`. - \endrst - */ -template -class dynamic_format_arg_store -#if FMT_GCC_VERSION && FMT_GCC_VERSION < 409 - // Workaround a GCC template argument substitution bug. - : public basic_format_args -#endif -{ - private: - using char_type = typename Context::char_type; - - template struct need_copy { - static constexpr internal::type mapped_type = - internal::mapped_type_constant::value; - - enum { - value = !(internal::is_reference_wrapper::value || - std::is_same>::value || - std::is_same>::value || - (mapped_type != internal::type::cstring_type && - mapped_type != internal::type::string_type && - mapped_type != internal::type::custom_type && - mapped_type != internal::type::named_arg_type)) - }; - }; - - template - using stored_type = conditional_t::value, - std::basic_string, T>; - - // Storage of basic_format_arg must be contiguous. - std::vector> data_; - - // Storage of arguments not fitting into basic_format_arg must grow - // without relocation because items in data_ refer to it. - internal::dynamic_arg_list dynamic_args_; - - friend class basic_format_args; - - unsigned long long get_types() const { - return internal::is_unpacked_bit | data_.size(); - } - - template void emplace_arg(const T& arg) { - data_.emplace_back(internal::make_arg(arg)); - } - - public: - /** - \rst - Adds an argument into the dynamic store for later passing to a formating - function. - - Note that custom types and string types (but not string views!) are copied - into the store with dynamic memory (in addition to resizing vector). - - **Example**:: - - fmt::dynamic_format_arg_store store; - store.push_back(42); - store.push_back("abc"); - store.push_back(1.5f); - std::string result = fmt::vformat("{} and {} and {}", store); - \endrst - */ - template void push_back(const T& arg) { - static_assert( - !std::is_base_of, T>::value, - "named arguments are not supported yet"); - if (internal::const_check(need_copy::value)) - emplace_arg(dynamic_args_.push>(arg)); - else - emplace_arg(arg); - } - - /** - Adds a reference to the argument into the dynamic store for later passing to - a formating function. - */ - template void push_back(std::reference_wrapper arg) { - static_assert( - need_copy::value, - "objects of built-in types and string views are always copied"); - emplace_arg(arg.get()); - } -}; - -/** - \rst - A view of a collection of formatting arguments. To avoid lifetime issues it - should only be used as a parameter type in type-erased functions such as - ``vformat``:: - - void vlog(string_view format_str, format_args args); // OK - format_args args = make_format_args(42); // Error: dangling reference - \endrst - */ -template class basic_format_args { - public: - using size_type = int; - using format_arg = basic_format_arg; - - private: - // To reduce compiled code size per formatting function call, types of first - // max_packed_args arguments are passed in the types_ field. - unsigned long long types_; - union { - // If the number of arguments is less than max_packed_args, the argument - // values are stored in values_, otherwise they are stored in args_. - // This is done to reduce compiled code size as storing larger objects - // may require more code (at least on x86-64) even if the same amount of - // data is actually copied to stack. It saves ~10% on the bloat test. - const internal::value* values_; - const format_arg* args_; - }; - - bool is_packed() const { return (types_ & internal::is_unpacked_bit) == 0; } - - internal::type type(int index) const { - int shift = index * internal::packed_arg_bits; - unsigned int mask = (1 << internal::packed_arg_bits) - 1; - return static_cast((types_ >> shift) & mask); - } - - friend class internal::arg_map; - - void set_data(const internal::value* values) { values_ = values; } - void set_data(const format_arg* args) { args_ = args; } - - format_arg do_get(int index) const { - format_arg arg; - if (!is_packed()) { - auto num_args = max_size(); - if (index < num_args) arg = args_[index]; - return arg; - } - if (index > internal::max_packed_args) return arg; - arg.type_ = type(index); - if (arg.type_ == internal::type::none_type) return arg; - internal::value& val = arg.value_; - val = values_[index]; - return arg; - } - - public: - basic_format_args() : types_(0) {} - - /** - \rst - Constructs a `basic_format_args` object from `~fmt::format_arg_store`. - \endrst - */ - template - basic_format_args(const format_arg_store& store) - : types_(store.types) { - set_data(store.data_); - } - - /** - \rst - Constructs a `basic_format_args` object from - `~fmt::dynamic_format_arg_store`. - \endrst - */ - basic_format_args(const dynamic_format_arg_store& store) - : types_(store.get_types()) { - set_data(store.data_.data()); - } - - /** - \rst - Constructs a `basic_format_args` object from a dynamic set of arguments. - \endrst - */ - basic_format_args(const format_arg* args, int count) - : types_(internal::is_unpacked_bit | internal::to_unsigned(count)) { - set_data(args); - } - - /** Returns the argument at specified index. */ - format_arg get(int index) const { - format_arg arg = do_get(index); - if (arg.type_ == internal::type::named_arg_type) - arg = arg.value_.named_arg->template deserialize(); - return arg; - } - - int max_size() const { - unsigned long long max_packed = internal::max_packed_args; - return static_cast(is_packed() ? max_packed - : types_ & ~internal::is_unpacked_bit); - } -}; - -/** An alias to ``basic_format_args``. */ -// It is a separate type rather than an alias to make symbols readable. -struct format_args : basic_format_args { - template - format_args(Args&&... args) - : basic_format_args(static_cast(args)...) {} -}; -struct wformat_args : basic_format_args { - template - wformat_args(Args&&... args) - : basic_format_args(static_cast(args)...) {} -}; - -template struct is_contiguous : std::false_type {}; - -template -struct is_contiguous> : std::true_type {}; - -template -struct is_contiguous> : std::true_type {}; - -namespace internal { - -template -struct is_contiguous_back_insert_iterator : std::false_type {}; -template -struct is_contiguous_back_insert_iterator> - : is_contiguous {}; - -template struct named_arg_base { - basic_string_view name; - - // Serialized value. - mutable char data[sizeof(basic_format_arg>)]; - - named_arg_base(basic_string_view nm) : name(nm) {} - - template basic_format_arg deserialize() const { - basic_format_arg arg; - std::memcpy(&arg, data, sizeof(basic_format_arg)); - return arg; - } -}; - -struct view {}; - -template -struct named_arg : view, named_arg_base { - const T& value; - - named_arg(basic_string_view name, const T& val) - : named_arg_base(name), value(val) {} -}; - -template ::value)> -inline void check_format_string(const S&) { -#if defined(FMT_ENFORCE_COMPILE_STRING) - static_assert(is_compile_string::value, - "FMT_ENFORCE_COMPILE_STRING requires all format strings to " - "utilize FMT_STRING() or fmt()."); -#endif -} -template ::value)> -void check_format_string(S); - -template struct bool_pack; -template -using all_true = - std::is_same, bool_pack>; - -template > -inline format_arg_store, remove_reference_t...> -make_args_checked(const S& format_str, - const remove_reference_t&... args) { - static_assert( - all_true<(!std::is_base_of>::value || - !std::is_reference::value)...>::value, - "passing views as lvalues is disallowed"); - check_format_string(format_str); - return {args...}; -} - -template -std::basic_string vformat( - basic_string_view format_str, - basic_format_args>> args); - -template -typename buffer_context::iterator vformat_to( - buffer& buf, basic_string_view format_str, - basic_format_args>> args); - -template ::value)> -inline void vprint_mojibake(std::FILE*, basic_string_view, const Args&) {} - -FMT_API void vprint_mojibake(std::FILE*, string_view, format_args); -#ifndef _WIN32 -inline void vprint_mojibake(std::FILE*, string_view, format_args) {} -#endif -} // namespace internal - -/** - \rst - Returns a named argument to be used in a formatting function. It should only - be used in a call to a formatting function. - - **Example**:: - - fmt::print("Elapsed time: {s:.2f} seconds", fmt::arg("s", 1.23)); - \endrst - */ -template > -inline internal::named_arg arg(const S& name, const T& arg) { - static_assert(internal::is_string::value, ""); - return {name, arg}; -} - -// Disable nested named arguments, e.g. ``arg("a", arg("b", 42))``. -template -void arg(S, internal::named_arg) = delete; - -/** Formats a string and writes the output to ``out``. */ -// GCC 8 and earlier cannot handle std::back_insert_iterator with -// vformat_to(...) overload, so SFINAE on iterator type instead. -template , - FMT_ENABLE_IF( - internal::is_contiguous_back_insert_iterator::value)> -OutputIt vformat_to( - OutputIt out, const S& format_str, - basic_format_args>> args) { - using container = remove_reference_t; - internal::container_buffer buf((internal::get_container(out))); - internal::vformat_to(buf, to_string_view(format_str), args); - return out; -} - -template ::value&& internal::is_string::value)> -inline std::back_insert_iterator format_to( - std::back_insert_iterator out, const S& format_str, - Args&&... args) { - return vformat_to(out, to_string_view(format_str), - internal::make_args_checked(format_str, args...)); -} - -template > -inline std::basic_string vformat( - const S& format_str, - basic_format_args>> args) { - return internal::vformat(to_string_view(format_str), args); -} - -/** - \rst - Formats arguments and returns the result as a string. - - **Example**:: - - #include - std::string message = fmt::format("The answer is {}", 42); - \endrst -*/ -// Pass char_t as a default template parameter instead of using -// std::basic_string> to reduce the symbol size. -template > -inline std::basic_string format(const S& format_str, Args&&... args) { - return internal::vformat( - to_string_view(format_str), - internal::make_args_checked(format_str, args...)); -} - -FMT_API void vprint(string_view, format_args); -FMT_API void vprint(std::FILE*, string_view, format_args); - -/** - \rst - Formats ``args`` according to specifications in ``format_str`` and writes the - output to the file ``f``. Strings are assumed to be Unicode-encoded unless the - ``FMT_UNICODE`` macro is set to 0. - - **Example**:: - - fmt::print(stderr, "Don't {}!", "panic"); - \endrst - */ -template > -inline void print(std::FILE* f, const S& format_str, Args&&... args) { - return internal::is_unicode() - ? vprint(f, to_string_view(format_str), - internal::make_args_checked(format_str, args...)) - : internal::vprint_mojibake( - f, to_string_view(format_str), - internal::make_args_checked(format_str, args...)); -} - -/** - \rst - Formats ``args`` according to specifications in ``format_str`` and writes - the output to ``stdout``. Strings are assumed to be Unicode-encoded unless - the ``FMT_UNICODE`` macro is set to 0. - - **Example**:: - - fmt::print("Elapsed time: {0:.2f} seconds", 1.23); - \endrst - */ -template > -inline void print(const S& format_str, Args&&... args) { - return internal::is_unicode() - ? vprint(to_string_view(format_str), - internal::make_args_checked(format_str, args...)) - : internal::vprint_mojibake( - stdout, to_string_view(format_str), - internal::make_args_checked(format_str, args...)); -} -FMT_END_NAMESPACE - -#endif // FMT_CORE_H_ diff --git a/third-party/include/fmt/format-inl.h b/third-party/include/fmt/format-inl.h deleted file mode 100644 index f632714..0000000 --- a/third-party/include/fmt/format-inl.h +++ /dev/null @@ -1,1403 +0,0 @@ -// Formatting library for C++ - implementation -// -// Copyright (c) 2012 - 2016, Victor Zverovich -// All rights reserved. -// -// For the license information refer to format.h. - -#ifndef FMT_FORMAT_INL_H_ -#define FMT_FORMAT_INL_H_ - -#include -#include -#include -#include -#include -#include // for std::memmove -#include - -#include "format.h" -#if !defined(FMT_STATIC_THOUSANDS_SEPARATOR) -# include -#endif - -#ifdef _WIN32 -# include -# include -#endif - -#ifdef _MSC_VER -# pragma warning(push) -# pragma warning(disable : 4702) // unreachable code -#endif - -// Dummy implementations of strerror_r and strerror_s called if corresponding -// system functions are not available. -inline fmt::internal::null<> strerror_r(int, char*, ...) { return {}; } -inline fmt::internal::null<> strerror_s(char*, std::size_t, ...) { return {}; } - -FMT_BEGIN_NAMESPACE -namespace internal { - -FMT_FUNC void assert_fail(const char* file, int line, const char* message) { - print(stderr, "{}:{}: assertion failed: {}", file, line, message); - std::abort(); -} - -#ifndef _MSC_VER -# define FMT_SNPRINTF snprintf -#else // _MSC_VER -inline int fmt_snprintf(char* buffer, size_t size, const char* format, ...) { - va_list args; - va_start(args, format); - int result = vsnprintf_s(buffer, size, _TRUNCATE, format, args); - va_end(args); - return result; -} -# define FMT_SNPRINTF fmt_snprintf -#endif // _MSC_VER - -// A portable thread-safe version of strerror. -// Sets buffer to point to a string describing the error code. -// This can be either a pointer to a string stored in buffer, -// or a pointer to some static immutable string. -// Returns one of the following values: -// 0 - success -// ERANGE - buffer is not large enough to store the error message -// other - failure -// Buffer should be at least of size 1. -FMT_FUNC int safe_strerror(int error_code, char*& buffer, - std::size_t buffer_size) FMT_NOEXCEPT { - FMT_ASSERT(buffer != nullptr && buffer_size != 0, "invalid buffer"); - - class dispatcher { - private: - int error_code_; - char*& buffer_; - std::size_t buffer_size_; - - // A noop assignment operator to avoid bogus warnings. - void operator=(const dispatcher&) {} - - // Handle the result of XSI-compliant version of strerror_r. - int handle(int result) { - // glibc versions before 2.13 return result in errno. - return result == -1 ? errno : result; - } - - // Handle the result of GNU-specific version of strerror_r. - FMT_MAYBE_UNUSED - int handle(char* message) { - // If the buffer is full then the message is probably truncated. - if (message == buffer_ && strlen(buffer_) == buffer_size_ - 1) - return ERANGE; - buffer_ = message; - return 0; - } - - // Handle the case when strerror_r is not available. - FMT_MAYBE_UNUSED - int handle(internal::null<>) { - return fallback(strerror_s(buffer_, buffer_size_, error_code_)); - } - - // Fallback to strerror_s when strerror_r is not available. - FMT_MAYBE_UNUSED - int fallback(int result) { - // If the buffer is full then the message is probably truncated. - return result == 0 && strlen(buffer_) == buffer_size_ - 1 ? ERANGE - : result; - } - -#if !FMT_MSC_VER - // Fallback to strerror if strerror_r and strerror_s are not available. - int fallback(internal::null<>) { - errno = 0; - buffer_ = strerror(error_code_); - return errno; - } -#endif - - public: - dispatcher(int err_code, char*& buf, std::size_t buf_size) - : error_code_(err_code), buffer_(buf), buffer_size_(buf_size) {} - - int run() { return handle(strerror_r(error_code_, buffer_, buffer_size_)); } - }; - return dispatcher(error_code, buffer, buffer_size).run(); -} - -FMT_FUNC void format_error_code(internal::buffer& out, int error_code, - string_view message) FMT_NOEXCEPT { - // Report error code making sure that the output fits into - // inline_buffer_size to avoid dynamic memory allocation and potential - // bad_alloc. - out.resize(0); - static const char SEP[] = ": "; - static const char ERROR_STR[] = "error "; - // Subtract 2 to account for terminating null characters in SEP and ERROR_STR. - std::size_t error_code_size = sizeof(SEP) + sizeof(ERROR_STR) - 2; - auto abs_value = static_cast>(error_code); - if (internal::is_negative(error_code)) { - abs_value = 0 - abs_value; - ++error_code_size; - } - error_code_size += internal::to_unsigned(internal::count_digits(abs_value)); - internal::writer w(out); - if (message.size() <= inline_buffer_size - error_code_size) { - w.write(message); - w.write(SEP); - } - w.write(ERROR_STR); - w.write(error_code); - assert(out.size() <= inline_buffer_size); -} - -FMT_FUNC void report_error(format_func func, int error_code, - string_view message) FMT_NOEXCEPT { - memory_buffer full_message; - func(full_message, error_code, message); - // Don't use fwrite_fully because the latter may throw. - (void)std::fwrite(full_message.data(), full_message.size(), 1, stderr); - std::fputc('\n', stderr); -} - -// A wrapper around fwrite that throws on error. -FMT_FUNC void fwrite_fully(const void* ptr, size_t size, size_t count, - FILE* stream) { - size_t written = std::fwrite(ptr, size, count, stream); - if (written < count) FMT_THROW(system_error(errno, "cannot write to file")); -} -} // namespace internal - -#if !defined(FMT_STATIC_THOUSANDS_SEPARATOR) -namespace internal { - -template -locale_ref::locale_ref(const Locale& loc) : locale_(&loc) { - static_assert(std::is_same::value, ""); -} - -template Locale locale_ref::get() const { - static_assert(std::is_same::value, ""); - return locale_ ? *static_cast(locale_) : std::locale(); -} - -template FMT_FUNC std::string grouping_impl(locale_ref loc) { - return std::use_facet>(loc.get()).grouping(); -} -template FMT_FUNC Char thousands_sep_impl(locale_ref loc) { - return std::use_facet>(loc.get()) - .thousands_sep(); -} -template FMT_FUNC Char decimal_point_impl(locale_ref loc) { - return std::use_facet>(loc.get()) - .decimal_point(); -} -} // namespace internal -#else -template -FMT_FUNC std::string internal::grouping_impl(locale_ref) { - return "\03"; -} -template -FMT_FUNC Char internal::thousands_sep_impl(locale_ref) { - return FMT_STATIC_THOUSANDS_SEPARATOR; -} -template -FMT_FUNC Char internal::decimal_point_impl(locale_ref) { - return '.'; -} -#endif - -FMT_API FMT_FUNC format_error::~format_error() FMT_NOEXCEPT = default; -FMT_API FMT_FUNC system_error::~system_error() FMT_NOEXCEPT = default; - -FMT_FUNC void system_error::init(int err_code, string_view format_str, - format_args args) { - error_code_ = err_code; - memory_buffer buffer; - format_system_error(buffer, err_code, vformat(format_str, args)); - std::runtime_error& base = *this; - base = std::runtime_error(to_string(buffer)); -} - -namespace internal { - -template <> FMT_FUNC int count_digits<4>(internal::fallback_uintptr n) { - // fallback_uintptr is always stored in little endian. - int i = static_cast(sizeof(void*)) - 1; - while (i > 0 && n.value[i] == 0) --i; - auto char_digits = std::numeric_limits::digits / 4; - return i >= 0 ? i * char_digits + count_digits<4, unsigned>(n.value[i]) : 1; -} - -template -const char basic_data::digits[] = - "0001020304050607080910111213141516171819" - "2021222324252627282930313233343536373839" - "4041424344454647484950515253545556575859" - "6061626364656667686970717273747576777879" - "8081828384858687888990919293949596979899"; - -template -const char basic_data::hex_digits[] = "0123456789abcdef"; - -#define FMT_POWERS_OF_10(factor) \ - factor * 10, (factor)*100, (factor)*1000, (factor)*10000, (factor)*100000, \ - (factor)*1000000, (factor)*10000000, (factor)*100000000, \ - (factor)*1000000000 - -template -const uint64_t basic_data::powers_of_10_64[] = { - 1, FMT_POWERS_OF_10(1), FMT_POWERS_OF_10(1000000000ULL), - 10000000000000000000ULL}; - -template -const uint32_t basic_data::zero_or_powers_of_10_32[] = {0, - FMT_POWERS_OF_10(1)}; - -template -const uint64_t basic_data::zero_or_powers_of_10_64[] = { - 0, FMT_POWERS_OF_10(1), FMT_POWERS_OF_10(1000000000ULL), - 10000000000000000000ULL}; - -// Normalized 64-bit significands of pow(10, k), for k = -348, -340, ..., 340. -// These are generated by support/compute-powers.py. -template -const uint64_t basic_data::pow10_significands[] = { - 0xfa8fd5a0081c0288, 0xbaaee17fa23ebf76, 0x8b16fb203055ac76, - 0xcf42894a5dce35ea, 0x9a6bb0aa55653b2d, 0xe61acf033d1a45df, - 0xab70fe17c79ac6ca, 0xff77b1fcbebcdc4f, 0xbe5691ef416bd60c, - 0x8dd01fad907ffc3c, 0xd3515c2831559a83, 0x9d71ac8fada6c9b5, - 0xea9c227723ee8bcb, 0xaecc49914078536d, 0x823c12795db6ce57, - 0xc21094364dfb5637, 0x9096ea6f3848984f, 0xd77485cb25823ac7, - 0xa086cfcd97bf97f4, 0xef340a98172aace5, 0xb23867fb2a35b28e, - 0x84c8d4dfd2c63f3b, 0xc5dd44271ad3cdba, 0x936b9fcebb25c996, - 0xdbac6c247d62a584, 0xa3ab66580d5fdaf6, 0xf3e2f893dec3f126, - 0xb5b5ada8aaff80b8, 0x87625f056c7c4a8b, 0xc9bcff6034c13053, - 0x964e858c91ba2655, 0xdff9772470297ebd, 0xa6dfbd9fb8e5b88f, - 0xf8a95fcf88747d94, 0xb94470938fa89bcf, 0x8a08f0f8bf0f156b, - 0xcdb02555653131b6, 0x993fe2c6d07b7fac, 0xe45c10c42a2b3b06, - 0xaa242499697392d3, 0xfd87b5f28300ca0e, 0xbce5086492111aeb, - 0x8cbccc096f5088cc, 0xd1b71758e219652c, 0x9c40000000000000, - 0xe8d4a51000000000, 0xad78ebc5ac620000, 0x813f3978f8940984, - 0xc097ce7bc90715b3, 0x8f7e32ce7bea5c70, 0xd5d238a4abe98068, - 0x9f4f2726179a2245, 0xed63a231d4c4fb27, 0xb0de65388cc8ada8, - 0x83c7088e1aab65db, 0xc45d1df942711d9a, 0x924d692ca61be758, - 0xda01ee641a708dea, 0xa26da3999aef774a, 0xf209787bb47d6b85, - 0xb454e4a179dd1877, 0x865b86925b9bc5c2, 0xc83553c5c8965d3d, - 0x952ab45cfa97a0b3, 0xde469fbd99a05fe3, 0xa59bc234db398c25, - 0xf6c69a72a3989f5c, 0xb7dcbf5354e9bece, 0x88fcf317f22241e2, - 0xcc20ce9bd35c78a5, 0x98165af37b2153df, 0xe2a0b5dc971f303a, - 0xa8d9d1535ce3b396, 0xfb9b7cd9a4a7443c, 0xbb764c4ca7a44410, - 0x8bab8eefb6409c1a, 0xd01fef10a657842c, 0x9b10a4e5e9913129, - 0xe7109bfba19c0c9d, 0xac2820d9623bf429, 0x80444b5e7aa7cf85, - 0xbf21e44003acdd2d, 0x8e679c2f5e44ff8f, 0xd433179d9c8cb841, - 0x9e19db92b4e31ba9, 0xeb96bf6ebadf77d9, 0xaf87023b9bf0ee6b, -}; - -// Binary exponents of pow(10, k), for k = -348, -340, ..., 340, corresponding -// to significands above. -template -const int16_t basic_data::pow10_exponents[] = { - -1220, -1193, -1166, -1140, -1113, -1087, -1060, -1034, -1007, -980, -954, - -927, -901, -874, -847, -821, -794, -768, -741, -715, -688, -661, - -635, -608, -582, -555, -529, -502, -475, -449, -422, -396, -369, - -343, -316, -289, -263, -236, -210, -183, -157, -130, -103, -77, - -50, -24, 3, 30, 56, 83, 109, 136, 162, 189, 216, - 242, 269, 295, 322, 348, 375, 402, 428, 455, 481, 508, - 534, 561, 588, 614, 641, 667, 694, 720, 747, 774, 800, - 827, 853, 880, 907, 933, 960, 986, 1013, 1039, 1066}; - -template -const char basic_data::foreground_color[] = "\x1b[38;2;"; -template -const char basic_data::background_color[] = "\x1b[48;2;"; -template const char basic_data::reset_color[] = "\x1b[0m"; -template const wchar_t basic_data::wreset_color[] = L"\x1b[0m"; -template const char basic_data::signs[] = {0, '-', '+', ' '}; - -template struct bits { - static FMT_CONSTEXPR_DECL const int value = - static_cast(sizeof(T) * std::numeric_limits::digits); -}; - -class fp; -template fp normalize(fp value); - -// Lower (upper) boundary is a value half way between a floating-point value -// and its predecessor (successor). Boundaries have the same exponent as the -// value so only significands are stored. -struct boundaries { - uint64_t lower; - uint64_t upper; -}; - -// A handmade floating-point number f * pow(2, e). -class fp { - private: - using significand_type = uint64_t; - - public: - significand_type f; - int e; - - // All sizes are in bits. - // Subtract 1 to account for an implicit most significant bit in the - // normalized form. - static FMT_CONSTEXPR_DECL const int double_significand_size = - std::numeric_limits::digits - 1; - static FMT_CONSTEXPR_DECL const uint64_t implicit_bit = - 1ULL << double_significand_size; - static FMT_CONSTEXPR_DECL const int significand_size = - bits::value; - - fp() : f(0), e(0) {} - fp(uint64_t f_val, int e_val) : f(f_val), e(e_val) {} - - // Constructs fp from an IEEE754 double. It is a template to prevent compile - // errors on platforms where double is not IEEE754. - template explicit fp(Double d) { assign(d); } - - // Assigns d to this and return true iff predecessor is closer than successor. - template - bool assign(Double d) { - // Assume double is in the format [sign][exponent][significand]. - using limits = std::numeric_limits; - const int exponent_size = - bits::value - double_significand_size - 1; // -1 for sign - const uint64_t significand_mask = implicit_bit - 1; - const uint64_t exponent_mask = (~0ULL >> 1) & ~significand_mask; - const int exponent_bias = (1 << exponent_size) - limits::max_exponent - 1; - auto u = bit_cast(d); - f = u & significand_mask; - int biased_e = - static_cast((u & exponent_mask) >> double_significand_size); - // Predecessor is closer if d is a normalized power of 2 (f == 0) other than - // the smallest normalized number (biased_e > 1). - bool is_predecessor_closer = f == 0 && biased_e > 1; - if (biased_e != 0) - f += implicit_bit; - else - biased_e = 1; // Subnormals use biased exponent 1 (min exponent). - e = biased_e - exponent_bias - double_significand_size; - return is_predecessor_closer; - } - - template - bool assign(Double) { - *this = fp(); - return false; - } - - // Assigns d to this together with computing lower and upper boundaries, - // where a boundary is a value half way between the number and its predecessor - // (lower) or successor (upper). The upper boundary is normalized and lower - // has the same exponent but may be not normalized. - template boundaries assign_with_boundaries(Double d) { - bool is_lower_closer = assign(d); - fp lower = - is_lower_closer ? fp((f << 2) - 1, e - 2) : fp((f << 1) - 1, e - 1); - // 1 in normalize accounts for the exponent shift above. - fp upper = normalize<1>(fp((f << 1) + 1, e - 1)); - lower.f <<= lower.e - upper.e; - return boundaries{lower.f, upper.f}; - } - - template boundaries assign_float_with_boundaries(Double d) { - assign(d); - constexpr int min_normal_e = std::numeric_limits::min_exponent - - std::numeric_limits::digits; - significand_type half_ulp = 1 << (std::numeric_limits::digits - - std::numeric_limits::digits - 1); - if (min_normal_e > e) half_ulp <<= min_normal_e - e; - fp upper = normalize<0>(fp(f + half_ulp, e)); - fp lower = fp( - f - (half_ulp >> ((f == implicit_bit && e > min_normal_e) ? 1 : 0)), e); - lower.f <<= lower.e - upper.e; - return boundaries{lower.f, upper.f}; - } -}; - -// Normalizes the value converted from double and multiplied by (1 << SHIFT). -template fp normalize(fp value) { - // Handle subnormals. - const auto shifted_implicit_bit = fp::implicit_bit << SHIFT; - while ((value.f & shifted_implicit_bit) == 0) { - value.f <<= 1; - --value.e; - } - // Subtract 1 to account for hidden bit. - const auto offset = - fp::significand_size - fp::double_significand_size - SHIFT - 1; - value.f <<= offset; - value.e -= offset; - return value; -} - -inline bool operator==(fp x, fp y) { return x.f == y.f && x.e == y.e; } - -// Computes lhs * rhs / pow(2, 64) rounded to nearest with half-up tie breaking. -inline uint64_t multiply(uint64_t lhs, uint64_t rhs) { -#if FMT_USE_INT128 - auto product = static_cast<__uint128_t>(lhs) * rhs; - auto f = static_cast(product >> 64); - return (static_cast(product) & (1ULL << 63)) != 0 ? f + 1 : f; -#else - // Multiply 32-bit parts of significands. - uint64_t mask = (1ULL << 32) - 1; - uint64_t a = lhs >> 32, b = lhs & mask; - uint64_t c = rhs >> 32, d = rhs & mask; - uint64_t ac = a * c, bc = b * c, ad = a * d, bd = b * d; - // Compute mid 64-bit of result and round. - uint64_t mid = (bd >> 32) + (ad & mask) + (bc & mask) + (1U << 31); - return ac + (ad >> 32) + (bc >> 32) + (mid >> 32); -#endif -} - -inline fp operator*(fp x, fp y) { return {multiply(x.f, y.f), x.e + y.e + 64}; } - -// Returns a cached power of 10 `c_k = c_k.f * pow(2, c_k.e)` such that its -// (binary) exponent satisfies `min_exponent <= c_k.e <= min_exponent + 28`. -inline fp get_cached_power(int min_exponent, int& pow10_exponent) { - const int64_t one_over_log2_10 = 0x4d104d42; // round(pow(2, 32) / log2(10)) - int index = static_cast( - ((min_exponent + fp::significand_size - 1) * one_over_log2_10 + - ((int64_t(1) << 32) - 1)) // ceil - >> 32 // arithmetic shift - ); - // Decimal exponent of the first (smallest) cached power of 10. - const int first_dec_exp = -348; - // Difference between 2 consecutive decimal exponents in cached powers of 10. - const int dec_exp_step = 8; - index = (index - first_dec_exp - 1) / dec_exp_step + 1; - pow10_exponent = first_dec_exp + index * dec_exp_step; - return {data::pow10_significands[index], data::pow10_exponents[index]}; -} - -// A simple accumulator to hold the sums of terms in bigint::square if uint128_t -// is not available. -struct accumulator { - uint64_t lower; - uint64_t upper; - - accumulator() : lower(0), upper(0) {} - explicit operator uint32_t() const { return static_cast(lower); } - - void operator+=(uint64_t n) { - lower += n; - if (lower < n) ++upper; - } - void operator>>=(int shift) { - assert(shift == 32); - (void)shift; - lower = (upper << 32) | (lower >> 32); - upper >>= 32; - } -}; - -class bigint { - private: - // A bigint is stored as an array of bigits (big digits), with bigit at index - // 0 being the least significant one. - using bigit = uint32_t; - using double_bigit = uint64_t; - enum { bigits_capacity = 32 }; - basic_memory_buffer bigits_; - int exp_; - - bigit operator[](int index) const { return bigits_[to_unsigned(index)]; } - bigit& operator[](int index) { return bigits_[to_unsigned(index)]; } - - static FMT_CONSTEXPR_DECL const int bigit_bits = bits::value; - - friend struct formatter; - - void subtract_bigits(int index, bigit other, bigit& borrow) { - auto result = static_cast((*this)[index]) - other - borrow; - (*this)[index] = static_cast(result); - borrow = static_cast(result >> (bigit_bits * 2 - 1)); - } - - void remove_leading_zeros() { - int num_bigits = static_cast(bigits_.size()) - 1; - while (num_bigits > 0 && (*this)[num_bigits] == 0) --num_bigits; - bigits_.resize(to_unsigned(num_bigits + 1)); - } - - // Computes *this -= other assuming aligned bigints and *this >= other. - void subtract_aligned(const bigint& other) { - FMT_ASSERT(other.exp_ >= exp_, "unaligned bigints"); - FMT_ASSERT(compare(*this, other) >= 0, ""); - bigit borrow = 0; - int i = other.exp_ - exp_; - for (size_t j = 0, n = other.bigits_.size(); j != n; ++i, ++j) { - subtract_bigits(i, other.bigits_[j], borrow); - } - while (borrow > 0) subtract_bigits(i, 0, borrow); - remove_leading_zeros(); - } - - void multiply(uint32_t value) { - const double_bigit wide_value = value; - bigit carry = 0; - for (size_t i = 0, n = bigits_.size(); i < n; ++i) { - double_bigit result = bigits_[i] * wide_value + carry; - bigits_[i] = static_cast(result); - carry = static_cast(result >> bigit_bits); - } - if (carry != 0) bigits_.push_back(carry); - } - - void multiply(uint64_t value) { - const bigit mask = ~bigit(0); - const double_bigit lower = value & mask; - const double_bigit upper = value >> bigit_bits; - double_bigit carry = 0; - for (size_t i = 0, n = bigits_.size(); i < n; ++i) { - double_bigit result = bigits_[i] * lower + (carry & mask); - carry = - bigits_[i] * upper + (result >> bigit_bits) + (carry >> bigit_bits); - bigits_[i] = static_cast(result); - } - while (carry != 0) { - bigits_.push_back(carry & mask); - carry >>= bigit_bits; - } - } - - public: - bigint() : exp_(0) {} - explicit bigint(uint64_t n) { assign(n); } - ~bigint() { assert(bigits_.capacity() <= bigits_capacity); } - - bigint(const bigint&) = delete; - void operator=(const bigint&) = delete; - - void assign(const bigint& other) { - bigits_.resize(other.bigits_.size()); - auto data = other.bigits_.data(); - std::copy(data, data + other.bigits_.size(), bigits_.data()); - exp_ = other.exp_; - } - - void assign(uint64_t n) { - size_t num_bigits = 0; - do { - bigits_[num_bigits++] = n & ~bigit(0); - n >>= bigit_bits; - } while (n != 0); - bigits_.resize(num_bigits); - exp_ = 0; - } - - int num_bigits() const { return static_cast(bigits_.size()) + exp_; } - - bigint& operator<<=(int shift) { - assert(shift >= 0); - exp_ += shift / bigit_bits; - shift %= bigit_bits; - if (shift == 0) return *this; - bigit carry = 0; - for (size_t i = 0, n = bigits_.size(); i < n; ++i) { - bigit c = bigits_[i] >> (bigit_bits - shift); - bigits_[i] = (bigits_[i] << shift) + carry; - carry = c; - } - if (carry != 0) bigits_.push_back(carry); - return *this; - } - - template bigint& operator*=(Int value) { - FMT_ASSERT(value > 0, ""); - multiply(uint32_or_64_or_128_t(value)); - return *this; - } - - friend int compare(const bigint& lhs, const bigint& rhs) { - int num_lhs_bigits = lhs.num_bigits(), num_rhs_bigits = rhs.num_bigits(); - if (num_lhs_bigits != num_rhs_bigits) - return num_lhs_bigits > num_rhs_bigits ? 1 : -1; - int i = static_cast(lhs.bigits_.size()) - 1; - int j = static_cast(rhs.bigits_.size()) - 1; - int end = i - j; - if (end < 0) end = 0; - for (; i >= end; --i, --j) { - bigit lhs_bigit = lhs[i], rhs_bigit = rhs[j]; - if (lhs_bigit != rhs_bigit) return lhs_bigit > rhs_bigit ? 1 : -1; - } - if (i != j) return i > j ? 1 : -1; - return 0; - } - - // Returns compare(lhs1 + lhs2, rhs). - friend int add_compare(const bigint& lhs1, const bigint& lhs2, - const bigint& rhs) { - int max_lhs_bigits = (std::max)(lhs1.num_bigits(), lhs2.num_bigits()); - int num_rhs_bigits = rhs.num_bigits(); - if (max_lhs_bigits + 1 < num_rhs_bigits) return -1; - if (max_lhs_bigits > num_rhs_bigits) return 1; - auto get_bigit = [](const bigint& n, int i) -> bigit { - return i >= n.exp_ && i < n.num_bigits() ? n[i - n.exp_] : 0; - }; - double_bigit borrow = 0; - int min_exp = (std::min)((std::min)(lhs1.exp_, lhs2.exp_), rhs.exp_); - for (int i = num_rhs_bigits - 1; i >= min_exp; --i) { - double_bigit sum = - static_cast(get_bigit(lhs1, i)) + get_bigit(lhs2, i); - bigit rhs_bigit = get_bigit(rhs, i); - if (sum > rhs_bigit + borrow) return 1; - borrow = rhs_bigit + borrow - sum; - if (borrow > 1) return -1; - borrow <<= bigit_bits; - } - return borrow != 0 ? -1 : 0; - } - - // Assigns pow(10, exp) to this bigint. - void assign_pow10(int exp) { - assert(exp >= 0); - if (exp == 0) return assign(1); - // Find the top bit. - int bitmask = 1; - while (exp >= bitmask) bitmask <<= 1; - bitmask >>= 1; - // pow(10, exp) = pow(5, exp) * pow(2, exp). First compute pow(5, exp) by - // repeated squaring and multiplication. - assign(5); - bitmask >>= 1; - while (bitmask != 0) { - square(); - if ((exp & bitmask) != 0) *this *= 5; - bitmask >>= 1; - } - *this <<= exp; // Multiply by pow(2, exp) by shifting. - } - - void square() { - basic_memory_buffer n(std::move(bigits_)); - int num_bigits = static_cast(bigits_.size()); - int num_result_bigits = 2 * num_bigits; - bigits_.resize(to_unsigned(num_result_bigits)); - using accumulator_t = conditional_t; - auto sum = accumulator_t(); - for (int bigit_index = 0; bigit_index < num_bigits; ++bigit_index) { - // Compute bigit at position bigit_index of the result by adding - // cross-product terms n[i] * n[j] such that i + j == bigit_index. - for (int i = 0, j = bigit_index; j >= 0; ++i, --j) { - // Most terms are multiplied twice which can be optimized in the future. - sum += static_cast(n[i]) * n[j]; - } - (*this)[bigit_index] = static_cast(sum); - sum >>= bits::value; // Compute the carry. - } - // Do the same for the top half. - for (int bigit_index = num_bigits; bigit_index < num_result_bigits; - ++bigit_index) { - for (int j = num_bigits - 1, i = bigit_index - j; i < num_bigits;) - sum += static_cast(n[i++]) * n[j--]; - (*this)[bigit_index] = static_cast(sum); - sum >>= bits::value; - } - --num_result_bigits; - remove_leading_zeros(); - exp_ *= 2; - } - - // Divides this bignum by divisor, assigning the remainder to this and - // returning the quotient. - int divmod_assign(const bigint& divisor) { - FMT_ASSERT(this != &divisor, ""); - if (compare(*this, divisor) < 0) return 0; - int num_bigits = static_cast(bigits_.size()); - FMT_ASSERT(divisor.bigits_[divisor.bigits_.size() - 1u] != 0, ""); - int exp_difference = exp_ - divisor.exp_; - if (exp_difference > 0) { - // Align bigints by adding trailing zeros to simplify subtraction. - bigits_.resize(to_unsigned(num_bigits + exp_difference)); - for (int i = num_bigits - 1, j = i + exp_difference; i >= 0; --i, --j) - bigits_[j] = bigits_[i]; - std::uninitialized_fill_n(bigits_.data(), exp_difference, 0); - exp_ -= exp_difference; - } - int quotient = 0; - do { - subtract_aligned(divisor); - ++quotient; - } while (compare(*this, divisor) >= 0); - return quotient; - } -}; - -enum class round_direction { unknown, up, down }; - -// Given the divisor (normally a power of 10), the remainder = v % divisor for -// some number v and the error, returns whether v should be rounded up, down, or -// whether the rounding direction can't be determined due to error. -// error should be less than divisor / 2. -inline round_direction get_round_direction(uint64_t divisor, uint64_t remainder, - uint64_t error) { - FMT_ASSERT(remainder < divisor, ""); // divisor - remainder won't overflow. - FMT_ASSERT(error < divisor, ""); // divisor - error won't overflow. - FMT_ASSERT(error < divisor - error, ""); // error * 2 won't overflow. - // Round down if (remainder + error) * 2 <= divisor. - if (remainder <= divisor - remainder && error * 2 <= divisor - remainder * 2) - return round_direction::down; - // Round up if (remainder - error) * 2 >= divisor. - if (remainder >= error && - remainder - error >= divisor - (remainder - error)) { - return round_direction::up; - } - return round_direction::unknown; -} - -namespace digits { -enum result { - more, // Generate more digits. - done, // Done generating digits. - error // Digit generation cancelled due to an error. -}; -} - -// A version of count_digits optimized for grisu_gen_digits. -inline int grisu_count_digits(uint32_t n) { - if (n < 10) return 1; - if (n < 100) return 2; - if (n < 1000) return 3; - if (n < 10000) return 4; - if (n < 100000) return 5; - if (n < 1000000) return 6; - if (n < 10000000) return 7; - if (n < 100000000) return 8; - if (n < 1000000000) return 9; - return 10; -} - -// Generates output using the Grisu digit-gen algorithm. -// error: the size of the region (lower, upper) outside of which numbers -// definitely do not round to value (Delta in Grisu3). -template -FMT_ALWAYS_INLINE digits::result grisu_gen_digits(fp value, uint64_t error, - int& exp, Handler& handler) { - const fp one(1ULL << -value.e, value.e); - // The integral part of scaled value (p1 in Grisu) = value / one. It cannot be - // zero because it contains a product of two 64-bit numbers with MSB set (due - // to normalization) - 1, shifted right by at most 60 bits. - auto integral = static_cast(value.f >> -one.e); - FMT_ASSERT(integral != 0, ""); - FMT_ASSERT(integral == value.f >> -one.e, ""); - // The fractional part of scaled value (p2 in Grisu) c = value % one. - uint64_t fractional = value.f & (one.f - 1); - exp = grisu_count_digits(integral); // kappa in Grisu. - // Divide by 10 to prevent overflow. - auto result = handler.on_start(data::powers_of_10_64[exp - 1] << -one.e, - value.f / 10, error * 10, exp); - if (result != digits::more) return result; - // Generate digits for the integral part. This can produce up to 10 digits. - do { - uint32_t digit = 0; - auto divmod_integral = [&](uint32_t divisor) { - digit = integral / divisor; - integral %= divisor; - }; - // This optimization by Milo Yip reduces the number of integer divisions by - // one per iteration. - switch (exp) { - case 10: - divmod_integral(1000000000); - break; - case 9: - divmod_integral(100000000); - break; - case 8: - divmod_integral(10000000); - break; - case 7: - divmod_integral(1000000); - break; - case 6: - divmod_integral(100000); - break; - case 5: - divmod_integral(10000); - break; - case 4: - divmod_integral(1000); - break; - case 3: - divmod_integral(100); - break; - case 2: - divmod_integral(10); - break; - case 1: - digit = integral; - integral = 0; - break; - default: - FMT_ASSERT(false, "invalid number of digits"); - } - --exp; - uint64_t remainder = - (static_cast(integral) << -one.e) + fractional; - result = handler.on_digit(static_cast('0' + digit), - data::powers_of_10_64[exp] << -one.e, remainder, - error, exp, true); - if (result != digits::more) return result; - } while (exp > 0); - // Generate digits for the fractional part. - for (;;) { - fractional *= 10; - error *= 10; - char digit = - static_cast('0' + static_cast(fractional >> -one.e)); - fractional &= one.f - 1; - --exp; - result = handler.on_digit(digit, one.f, fractional, error, exp, false); - if (result != digits::more) return result; - } -} - -// The fixed precision digit handler. -struct fixed_handler { - char* buf; - int size; - int precision; - int exp10; - bool fixed; - - digits::result on_start(uint64_t divisor, uint64_t remainder, uint64_t error, - int& exp) { - // Non-fixed formats require at least one digit and no precision adjustment. - if (!fixed) return digits::more; - // Adjust fixed precision by exponent because it is relative to decimal - // point. - precision += exp + exp10; - // Check if precision is satisfied just by leading zeros, e.g. - // format("{:.2f}", 0.001) gives "0.00" without generating any digits. - if (precision > 0) return digits::more; - if (precision < 0) return digits::done; - auto dir = get_round_direction(divisor, remainder, error); - if (dir == round_direction::unknown) return digits::error; - buf[size++] = dir == round_direction::up ? '1' : '0'; - return digits::done; - } - - digits::result on_digit(char digit, uint64_t divisor, uint64_t remainder, - uint64_t error, int, bool integral) { - FMT_ASSERT(remainder < divisor, ""); - buf[size++] = digit; - if (size < precision) return digits::more; - if (!integral) { - // Check if error * 2 < divisor with overflow prevention. - // The check is not needed for the integral part because error = 1 - // and divisor > (1 << 32) there. - if (error >= divisor || error >= divisor - error) return digits::error; - } else { - FMT_ASSERT(error == 1 && divisor > 2, ""); - } - auto dir = get_round_direction(divisor, remainder, error); - if (dir != round_direction::up) - return dir == round_direction::down ? digits::done : digits::error; - ++buf[size - 1]; - for (int i = size - 1; i > 0 && buf[i] > '9'; --i) { - buf[i] = '0'; - ++buf[i - 1]; - } - if (buf[0] > '9') { - buf[0] = '1'; - buf[size++] = '0'; - } - return digits::done; - } -}; - -// The shortest representation digit handler. -struct grisu_shortest_handler { - char* buf; - int size; - // Distance between scaled value and upper bound (wp_W in Grisu3). - uint64_t diff; - - digits::result on_start(uint64_t, uint64_t, uint64_t, int&) { - return digits::more; - } - - // Decrement the generated number approaching value from above. - void round(uint64_t d, uint64_t divisor, uint64_t& remainder, - uint64_t error) { - while ( - remainder < d && error - remainder >= divisor && - (remainder + divisor < d || d - remainder >= remainder + divisor - d)) { - --buf[size - 1]; - remainder += divisor; - } - } - - // Implements Grisu's round_weed. - digits::result on_digit(char digit, uint64_t divisor, uint64_t remainder, - uint64_t error, int exp, bool integral) { - buf[size++] = digit; - if (remainder >= error) return digits::more; - uint64_t unit = integral ? 1 : data::powers_of_10_64[-exp]; - uint64_t up = (diff - 1) * unit; // wp_Wup - round(up, divisor, remainder, error); - uint64_t down = (diff + 1) * unit; // wp_Wdown - if (remainder < down && error - remainder >= divisor && - (remainder + divisor < down || - down - remainder > remainder + divisor - down)) { - return digits::error; - } - return 2 * unit <= remainder && remainder <= error - 4 * unit - ? digits::done - : digits::error; - } -}; - -// Formats value using a variation of the Fixed-Precision Positive -// Floating-Point Printout ((FPP)^2) algorithm by Steele & White: -// https://fmt.dev/p372-steele.pdf. -template -void fallback_format(Double d, buffer& buf, int& exp10) { - bigint numerator; // 2 * R in (FPP)^2. - bigint denominator; // 2 * S in (FPP)^2. - // lower and upper are differences between value and corresponding boundaries. - bigint lower; // (M^- in (FPP)^2). - bigint upper_store; // upper's value if different from lower. - bigint* upper = nullptr; // (M^+ in (FPP)^2). - fp value; - // Shift numerator and denominator by an extra bit or two (if lower boundary - // is closer) to make lower and upper integers. This eliminates multiplication - // by 2 during later computations. - // TODO: handle float - int shift = value.assign(d) ? 2 : 1; - uint64_t significand = value.f << shift; - if (value.e >= 0) { - numerator.assign(significand); - numerator <<= value.e; - lower.assign(1); - lower <<= value.e; - if (shift != 1) { - upper_store.assign(1); - upper_store <<= value.e + 1; - upper = &upper_store; - } - denominator.assign_pow10(exp10); - denominator <<= 1; - } else if (exp10 < 0) { - numerator.assign_pow10(-exp10); - lower.assign(numerator); - if (shift != 1) { - upper_store.assign(numerator); - upper_store <<= 1; - upper = &upper_store; - } - numerator *= significand; - denominator.assign(1); - denominator <<= shift - value.e; - } else { - numerator.assign(significand); - denominator.assign_pow10(exp10); - denominator <<= shift - value.e; - lower.assign(1); - if (shift != 1) { - upper_store.assign(1ULL << 1); - upper = &upper_store; - } - } - if (!upper) upper = &lower; - // Invariant: value == (numerator / denominator) * pow(10, exp10). - bool even = (value.f & 1) == 0; - int num_digits = 0; - char* data = buf.data(); - for (;;) { - int digit = numerator.divmod_assign(denominator); - bool low = compare(numerator, lower) - even < 0; // numerator <[=] lower. - // numerator + upper >[=] pow10: - bool high = add_compare(numerator, *upper, denominator) + even > 0; - data[num_digits++] = static_cast('0' + digit); - if (low || high) { - if (!low) { - ++data[num_digits - 1]; - } else if (high) { - int result = add_compare(numerator, numerator, denominator); - // Round half to even. - if (result > 0 || (result == 0 && (digit % 2) != 0)) - ++data[num_digits - 1]; - } - buf.resize(to_unsigned(num_digits)); - exp10 -= num_digits - 1; - return; - } - numerator *= 10; - lower *= 10; - if (upper != &lower) *upper *= 10; - } -} - -// Formats value using the Grisu algorithm -// (https://www.cs.tufts.edu/~nr/cs257/archive/florian-loitsch/printf.pdf) -// if T is a IEEE754 binary32 or binary64 and snprintf otherwise. -template -int format_float(T value, int precision, float_specs specs, buffer& buf) { - static_assert(!std::is_same::value, ""); - FMT_ASSERT(value >= 0, "value is negative"); - - const bool fixed = specs.format == float_format::fixed; - if (value <= 0) { // <= instead of == to silence a warning. - if (precision <= 0 || !fixed) { - buf.push_back('0'); - return 0; - } - buf.resize(to_unsigned(precision)); - std::uninitialized_fill_n(buf.data(), precision, '0'); - return -precision; - } - - if (!specs.use_grisu) return snprintf_float(value, precision, specs, buf); - - int exp = 0; - const int min_exp = -60; // alpha in Grisu. - int cached_exp10 = 0; // K in Grisu. - if (precision < 0) { - fp fp_value; - auto boundaries = specs.binary32 - ? fp_value.assign_float_with_boundaries(value) - : fp_value.assign_with_boundaries(value); - fp_value = normalize(fp_value); - // Find a cached power of 10 such that multiplying value by it will bring - // the exponent in the range [min_exp, -32]. - const fp cached_pow = get_cached_power( - min_exp - (fp_value.e + fp::significand_size), cached_exp10); - // Multiply value and boundaries by the cached power of 10. - fp_value = fp_value * cached_pow; - boundaries.lower = multiply(boundaries.lower, cached_pow.f); - boundaries.upper = multiply(boundaries.upper, cached_pow.f); - assert(min_exp <= fp_value.e && fp_value.e <= -32); - --boundaries.lower; // \tilde{M}^- - 1 ulp -> M^-_{\downarrow}. - ++boundaries.upper; // \tilde{M}^+ + 1 ulp -> M^+_{\uparrow}. - // Numbers outside of (lower, upper) definitely do not round to value. - grisu_shortest_handler handler{buf.data(), 0, - boundaries.upper - fp_value.f}; - auto result = - grisu_gen_digits(fp(boundaries.upper, fp_value.e), - boundaries.upper - boundaries.lower, exp, handler); - if (result == digits::error) { - exp += handler.size - cached_exp10 - 1; - fallback_format(value, buf, exp); - return exp; - } - buf.resize(to_unsigned(handler.size)); - } else { - if (precision > 17) return snprintf_float(value, precision, specs, buf); - fp normalized = normalize(fp(value)); - const auto cached_pow = get_cached_power( - min_exp - (normalized.e + fp::significand_size), cached_exp10); - normalized = normalized * cached_pow; - fixed_handler handler{buf.data(), 0, precision, -cached_exp10, fixed}; - if (grisu_gen_digits(normalized, 1, exp, handler) == digits::error) - return snprintf_float(value, precision, specs, buf); - int num_digits = handler.size; - if (!fixed) { - // Remove trailing zeros. - while (num_digits > 0 && buf[num_digits - 1] == '0') { - --num_digits; - ++exp; - } - } - buf.resize(to_unsigned(num_digits)); - } - return exp - cached_exp10; -} - -template -int snprintf_float(T value, int precision, float_specs specs, - buffer& buf) { - // Buffer capacity must be non-zero, otherwise MSVC's vsnprintf_s will fail. - FMT_ASSERT(buf.capacity() > buf.size(), "empty buffer"); - static_assert(!std::is_same::value, ""); - - // Subtract 1 to account for the difference in precision since we use %e for - // both general and exponent format. - if (specs.format == float_format::general || - specs.format == float_format::exp) - precision = (precision >= 0 ? precision : 6) - 1; - - // Build the format string. - enum { max_format_size = 7 }; // Ths longest format is "%#.*Le". - char format[max_format_size]; - char* format_ptr = format; - *format_ptr++ = '%'; - if (specs.showpoint && specs.format == float_format::hex) *format_ptr++ = '#'; - if (precision >= 0) { - *format_ptr++ = '.'; - *format_ptr++ = '*'; - } - if (std::is_same()) *format_ptr++ = 'L'; - *format_ptr++ = specs.format != float_format::hex - ? (specs.format == float_format::fixed ? 'f' : 'e') - : (specs.upper ? 'A' : 'a'); - *format_ptr = '\0'; - - // Format using snprintf. - auto offset = buf.size(); - for (;;) { - auto begin = buf.data() + offset; - auto capacity = buf.capacity() - offset; -#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION - if (precision > 100000) - throw std::runtime_error( - "fuzz mode - avoid large allocation inside snprintf"); -#endif - // Suppress the warning about a nonliteral format string. - // Cannot use auto becase of a bug in MinGW (#1532). - int (*snprintf_ptr)(char*, size_t, const char*, ...) = FMT_SNPRINTF; - int result = precision >= 0 - ? snprintf_ptr(begin, capacity, format, precision, value) - : snprintf_ptr(begin, capacity, format, value); - if (result < 0) { - buf.reserve(buf.capacity() + 1); // The buffer will grow exponentially. - continue; - } - auto size = to_unsigned(result); - // Size equal to capacity means that the last character was truncated. - if (size >= capacity) { - buf.reserve(size + offset + 1); // Add 1 for the terminating '\0'. - continue; - } - auto is_digit = [](char c) { return c >= '0' && c <= '9'; }; - if (specs.format == float_format::fixed) { - if (precision == 0) { - buf.resize(size); - return 0; - } - // Find and remove the decimal point. - auto end = begin + size, p = end; - do { - --p; - } while (is_digit(*p)); - int fraction_size = static_cast(end - p - 1); - std::memmove(p, p + 1, to_unsigned(fraction_size)); - buf.resize(size - 1); - return -fraction_size; - } - if (specs.format == float_format::hex) { - buf.resize(size + offset); - return 0; - } - // Find and parse the exponent. - auto end = begin + size, exp_pos = end; - do { - --exp_pos; - } while (*exp_pos != 'e'); - char sign = exp_pos[1]; - assert(sign == '+' || sign == '-'); - int exp = 0; - auto p = exp_pos + 2; // Skip 'e' and sign. - do { - assert(is_digit(*p)); - exp = exp * 10 + (*p++ - '0'); - } while (p != end); - if (sign == '-') exp = -exp; - int fraction_size = 0; - if (exp_pos != begin + 1) { - // Remove trailing zeros. - auto fraction_end = exp_pos - 1; - while (*fraction_end == '0') --fraction_end; - // Move the fractional part left to get rid of the decimal point. - fraction_size = static_cast(fraction_end - begin - 1); - std::memmove(begin + 1, begin + 2, to_unsigned(fraction_size)); - } - buf.resize(to_unsigned(fraction_size) + offset + 1); - return exp - fraction_size; - } -} - -// A public domain branchless UTF-8 decoder by Christopher Wellons: -// https://github.com/skeeto/branchless-utf8 -/* Decode the next character, c, from buf, reporting errors in e. - * - * Since this is a branchless decoder, four bytes will be read from the - * buffer regardless of the actual length of the next character. This - * means the buffer _must_ have at least three bytes of zero padding - * following the end of the data stream. - * - * Errors are reported in e, which will be non-zero if the parsed - * character was somehow invalid: invalid byte sequence, non-canonical - * encoding, or a surrogate half. - * - * The function returns a pointer to the next character. When an error - * occurs, this pointer will be a guess that depends on the particular - * error, but it will always advance at least one byte. - */ -FMT_FUNC const char* utf8_decode(const char* buf, uint32_t* c, int* e) { - static const char lengths[] = {1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, - 0, 0, 2, 2, 2, 2, 3, 3, 4, 0}; - static const int masks[] = {0x00, 0x7f, 0x1f, 0x0f, 0x07}; - static const uint32_t mins[] = {4194304, 0, 128, 2048, 65536}; - static const int shiftc[] = {0, 18, 12, 6, 0}; - static const int shifte[] = {0, 6, 4, 2, 0}; - - auto s = reinterpret_cast(buf); - int len = lengths[s[0] >> 3]; - - // Compute the pointer to the next character early so that the next - // iteration can start working on the next character. Neither Clang - // nor GCC figure out this reordering on their own. - const char* next = buf + len + !len; - - // Assume a four-byte character and load four bytes. Unused bits are - // shifted out. - *c = uint32_t(s[0] & masks[len]) << 18; - *c |= uint32_t(s[1] & 0x3f) << 12; - *c |= uint32_t(s[2] & 0x3f) << 6; - *c |= uint32_t(s[3] & 0x3f) << 0; - *c >>= shiftc[len]; - - // Accumulate the various error conditions. - *e = (*c < mins[len]) << 6; // non-canonical encoding - *e |= ((*c >> 11) == 0x1b) << 7; // surrogate half? - *e |= (*c > 0x10FFFF) << 8; // out of range? - *e |= (s[1] & 0xc0) >> 2; - *e |= (s[2] & 0xc0) >> 4; - *e |= (s[3]) >> 6; - *e ^= 0x2a; // top two bits of each tail byte correct? - *e >>= shifte[len]; - - return next; -} -} // namespace internal - -template <> struct formatter { - format_parse_context::iterator parse(format_parse_context& ctx) { - return ctx.begin(); - } - - format_context::iterator format(const internal::bigint& n, - format_context& ctx) { - auto out = ctx.out(); - bool first = true; - for (auto i = n.bigits_.size(); i > 0; --i) { - auto value = n.bigits_[i - 1u]; - if (first) { - out = format_to(out, "{:x}", value); - first = false; - continue; - } - out = format_to(out, "{:08x}", value); - } - if (n.exp_ > 0) - out = format_to(out, "p{}", n.exp_ * internal::bigint::bigit_bits); - return out; - } -}; - -FMT_FUNC internal::utf8_to_utf16::utf8_to_utf16(string_view s) { - auto transcode = [this](const char* p) { - auto cp = uint32_t(); - auto error = 0; - p = utf8_decode(p, &cp, &error); - if (error != 0) FMT_THROW(std::runtime_error("invalid utf8")); - if (cp <= 0xFFFF) { - buffer_.push_back(static_cast(cp)); - } else { - cp -= 0x10000; - buffer_.push_back(static_cast(0xD800 + (cp >> 10))); - buffer_.push_back(static_cast(0xDC00 + (cp & 0x3FF))); - } - return p; - }; - auto p = s.data(); - const size_t block_size = 4; // utf8_decode always reads blocks of 4 chars. - if (s.size() >= block_size) { - for (auto end = p + s.size() - block_size + 1; p < end;) p = transcode(p); - } - if (auto num_chars_left = s.data() + s.size() - p) { - char buf[2 * block_size - 1] = {}; - memcpy(buf, p, to_unsigned(num_chars_left)); - p = buf; - do { - p = transcode(p); - } while (p - buf < num_chars_left); - } - buffer_.push_back(0); -} - -FMT_FUNC void format_system_error(internal::buffer& out, int error_code, - string_view message) FMT_NOEXCEPT { - FMT_TRY { - memory_buffer buf; - buf.resize(inline_buffer_size); - for (;;) { - char* system_message = &buf[0]; - int result = - internal::safe_strerror(error_code, system_message, buf.size()); - if (result == 0) { - internal::writer w(out); - w.write(message); - w.write(": "); - w.write(system_message); - return; - } - if (result != ERANGE) - break; // Can't get error message, report error code instead. - buf.resize(buf.size() * 2); - } - } - FMT_CATCH(...) {} - format_error_code(out, error_code, message); -} - -FMT_FUNC void internal::error_handler::on_error(const char* message) { - FMT_THROW(format_error(message)); -} - -FMT_FUNC void report_system_error(int error_code, - fmt::string_view message) FMT_NOEXCEPT { - report_error(format_system_error, error_code, message); -} - -FMT_FUNC void vprint(std::FILE* f, string_view format_str, format_args args) { - memory_buffer buffer; - internal::vformat_to(buffer, format_str, - basic_format_args>(args)); -#ifdef _WIN32 - auto fd = _fileno(f); - if (_isatty(fd)) { - internal::utf8_to_utf16 u16(string_view(buffer.data(), buffer.size())); - auto written = DWORD(); - if (!WriteConsoleW(reinterpret_cast(_get_osfhandle(fd)), - u16.c_str(), static_cast(u16.size()), &written, - nullptr)) { - FMT_THROW(format_error("failed to write to console")); - } - return; - } -#endif - internal::fwrite_fully(buffer.data(), 1, buffer.size(), f); -} - -#ifdef _WIN32 -// Print assuming legacy (non-Unicode) encoding. -FMT_FUNC void internal::vprint_mojibake(std::FILE* f, string_view format_str, - format_args args) { - memory_buffer buffer; - internal::vformat_to(buffer, format_str, - basic_format_args>(args)); - fwrite_fully(buffer.data(), 1, buffer.size(), f); -} -#endif - -FMT_FUNC void vprint(string_view format_str, format_args args) { - vprint(stdout, format_str, args); -} - -FMT_END_NAMESPACE - -#ifdef _MSC_VER -# pragma warning(pop) -#endif - -#endif // FMT_FORMAT_INL_H_ diff --git a/third-party/include/fmt/format.cc b/third-party/include/fmt/format.cc deleted file mode 100644 index 9a9abf8..0000000 --- a/third-party/include/fmt/format.cc +++ /dev/null @@ -1,176 +0,0 @@ -// Formatting library for C++ -// -// Copyright (c) 2012 - 2016, Victor Zverovich -// All rights reserved. -// -// For the license information refer to format.h. - -#include "fmt/format-inl.h" - -FMT_BEGIN_NAMESPACE -namespace internal { - -template -int format_float(char* buf, std::size_t size, const char* format, int precision, - T value) { -#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION - if (precision > 100000) - throw std::runtime_error( - "fuzz mode - avoid large allocation inside snprintf"); -#endif - // Suppress the warning about nonliteral format string. - int (*snprintf_ptr)(char*, size_t, const char*, ...) = FMT_SNPRINTF; - return precision < 0 ? snprintf_ptr(buf, size, format, value) - : snprintf_ptr(buf, size, format, precision, value); -} -struct sprintf_specs { - int precision; - char type; - bool alt : 1; - - template - constexpr sprintf_specs(basic_format_specs specs) - : precision(specs.precision), type(specs.type), alt(specs.alt) {} - - constexpr bool has_precision() const { return precision >= 0; } -}; - -// This is deprecated and is kept only to preserve ABI compatibility. -template -char* sprintf_format(Double value, internal::buffer& buf, - sprintf_specs specs) { - // Buffer capacity must be non-zero, otherwise MSVC's vsnprintf_s will fail. - FMT_ASSERT(buf.capacity() != 0, "empty buffer"); - - // Build format string. - enum { max_format_size = 10 }; // longest format: %#-*.*Lg - char format[max_format_size]; - char* format_ptr = format; - *format_ptr++ = '%'; - if (specs.alt || !specs.type) *format_ptr++ = '#'; - if (specs.precision >= 0) { - *format_ptr++ = '.'; - *format_ptr++ = '*'; - } - if (std::is_same::value) *format_ptr++ = 'L'; - - char type = specs.type; - - if (type == '%') - type = 'f'; - else if (type == 0 || type == 'n') - type = 'g'; -#if FMT_MSC_VER - if (type == 'F') { - // MSVC's printf doesn't support 'F'. - type = 'f'; - } -#endif - *format_ptr++ = type; - *format_ptr = '\0'; - - // Format using snprintf. - char* start = nullptr; - char* decimal_point_pos = nullptr; - for (;;) { - std::size_t buffer_size = buf.capacity(); - start = &buf[0]; - int result = - format_float(start, buffer_size, format, specs.precision, value); - if (result >= 0) { - unsigned n = internal::to_unsigned(result); - if (n < buf.capacity()) { - // Find the decimal point. - auto p = buf.data(), end = p + n; - if (*p == '+' || *p == '-') ++p; - if (specs.type != 'a' && specs.type != 'A') { - while (p < end && *p >= '0' && *p <= '9') ++p; - if (p < end && *p != 'e' && *p != 'E') { - decimal_point_pos = p; - if (!specs.type) { - // Keep only one trailing zero after the decimal point. - ++p; - if (*p == '0') ++p; - while (p != end && *p >= '1' && *p <= '9') ++p; - char* where = p; - while (p != end && *p == '0') ++p; - if (p == end || *p < '0' || *p > '9') { - if (p != end) std::memmove(where, p, to_unsigned(end - p)); - n -= static_cast(p - where); - } - } - } - } - buf.resize(n); - break; // The buffer is large enough - continue with formatting. - } - buf.reserve(n + 1); - } else { - // If result is negative we ask to increase the capacity by at least 1, - // but as std::vector, the buffer grows exponentially. - buf.reserve(buf.capacity() + 1); - } - } - return decimal_point_pos; -} -} // namespace internal - -template FMT_API char* internal::sprintf_format(double, internal::buffer&, - sprintf_specs); -template FMT_API char* internal::sprintf_format(long double, - internal::buffer&, - sprintf_specs); - -template struct FMT_INSTANTIATION_DEF_API internal::basic_data; - -// Workaround a bug in MSVC2013 that prevents instantiation of format_float. -int (*instantiate_format_float)(double, int, internal::float_specs, - internal::buffer&) = - internal::format_float; - -#ifndef FMT_STATIC_THOUSANDS_SEPARATOR -template FMT_API internal::locale_ref::locale_ref(const std::locale& loc); -template FMT_API std::locale internal::locale_ref::get() const; -#endif - -// Explicit instantiations for char. - -template FMT_API std::string internal::grouping_impl(locale_ref); -template FMT_API char internal::thousands_sep_impl(locale_ref); -template FMT_API char internal::decimal_point_impl(locale_ref); - -template FMT_API void internal::buffer::append(const char*, const char*); - -template FMT_API void internal::arg_map::init( - const basic_format_args& args); - -template FMT_API std::string internal::vformat( - string_view, basic_format_args); - -template FMT_API format_context::iterator internal::vformat_to( - internal::buffer&, string_view, basic_format_args); - -template FMT_API int internal::snprintf_float(double, int, - internal::float_specs, - internal::buffer&); -template FMT_API int internal::snprintf_float(long double, int, - internal::float_specs, - internal::buffer&); -template FMT_API int internal::format_float(double, int, internal::float_specs, - internal::buffer&); -template FMT_API int internal::format_float(long double, int, - internal::float_specs, - internal::buffer&); - -// Explicit instantiations for wchar_t. - -template FMT_API std::string internal::grouping_impl(locale_ref); -template FMT_API wchar_t internal::thousands_sep_impl(locale_ref); -template FMT_API wchar_t internal::decimal_point_impl(locale_ref); - -template FMT_API void internal::buffer::append(const wchar_t*, - const wchar_t*); - -template FMT_API std::wstring internal::vformat( - wstring_view, basic_format_args); -FMT_END_NAMESPACE diff --git a/third-party/include/fmt/format.h b/third-party/include/fmt/format.h deleted file mode 100644 index 4e96539..0000000 --- a/third-party/include/fmt/format.h +++ /dev/null @@ -1,3648 +0,0 @@ -/* - Formatting library for C++ - - Copyright (c) 2012 - present, Victor Zverovich - - Permission is hereby granted, free of charge, to any person obtaining - a copy of this software and associated documentation files (the - "Software"), to deal in the Software without restriction, including - without limitation the rights to use, copy, modify, merge, publish, - distribute, sublicense, and/or sell copies of the Software, and to - permit persons to whom the Software is furnished to do so, subject to - the following conditions: - - The above copyright notice and this permission notice shall be - included in all copies or substantial portions of the Software. - - THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND - NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE - LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION - OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION - WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - - --- Optional exception to the license --- - - As an exception, if, as a result of your compiling your source code, portions - of this Software are embedded into a machine-executable object form of such - source code, you may redistribute such embedded portions in such object form - without including the above copyright and permission notices. - */ - -#ifndef FMT_FORMAT_H_ -#define FMT_FORMAT_H_ - -#include -#include -#include -#include -#include -#include -#include - -#include "core.h" - -#ifdef FMT_DEPRECATED_INCLUDE_OS -# include "os.h" -#endif - -#ifdef __INTEL_COMPILER -# define FMT_ICC_VERSION __INTEL_COMPILER -#elif defined(__ICL) -# define FMT_ICC_VERSION __ICL -#else -# define FMT_ICC_VERSION 0 -#endif - -#ifdef __NVCC__ -# define FMT_CUDA_VERSION (__CUDACC_VER_MAJOR__ * 100 + __CUDACC_VER_MINOR__) -#else -# define FMT_CUDA_VERSION 0 -#endif - -#ifdef __has_builtin -# define FMT_HAS_BUILTIN(x) __has_builtin(x) -#else -# define FMT_HAS_BUILTIN(x) 0 -#endif - -#if FMT_GCC_VERSION || FMT_CLANG_VERSION -# define FMT_NOINLINE __attribute__((noinline)) -#else -# define FMT_NOINLINE -#endif - -#if __cplusplus == 201103L || __cplusplus == 201402L -# if defined(__clang__) -# define FMT_FALLTHROUGH [[clang::fallthrough]] -# elif FMT_GCC_VERSION >= 700 && !defined(__PGI) -# define FMT_FALLTHROUGH [[gnu::fallthrough]] -# else -# define FMT_FALLTHROUGH -# endif -#elif FMT_HAS_CPP17_ATTRIBUTE(fallthrough) || \ - (defined(_MSVC_LANG) && _MSVC_LANG >= 201703L) -# define FMT_FALLTHROUGH [[fallthrough]] -#else -# define FMT_FALLTHROUGH -#endif - -#ifndef FMT_THROW -# if FMT_EXCEPTIONS -# if FMT_MSC_VER || FMT_NVCC -FMT_BEGIN_NAMESPACE -namespace internal { -template inline void do_throw(const Exception& x) { - // Silence unreachable code warnings in MSVC and NVCC because these - // are nearly impossible to fix in a generic code. - volatile bool b = true; - if (b) throw x; -} -} // namespace internal -FMT_END_NAMESPACE -# define FMT_THROW(x) internal::do_throw(x) -# else -# define FMT_THROW(x) throw x -# endif -# else -# define FMT_THROW(x) \ - do { \ - static_cast(sizeof(x)); \ - FMT_ASSERT(false, ""); \ - } while (false) -# endif -#endif - -#if FMT_EXCEPTIONS -# define FMT_TRY try -# define FMT_CATCH(x) catch (x) -#else -# define FMT_TRY if (true) -# define FMT_CATCH(x) if (false) -#endif - -#ifndef FMT_USE_USER_DEFINED_LITERALS -// For Intel and NVIDIA compilers both they and the system gcc/msc support UDLs. -# if (FMT_HAS_FEATURE(cxx_user_literals) || FMT_GCC_VERSION >= 407 || \ - FMT_MSC_VER >= 1900) && \ - (!(FMT_ICC_VERSION || FMT_CUDA_VERSION) || FMT_ICC_VERSION >= 1500 || \ - FMT_CUDA_VERSION >= 700) -# define FMT_USE_USER_DEFINED_LITERALS 1 -# else -# define FMT_USE_USER_DEFINED_LITERALS 0 -# endif -#endif - -#ifndef FMT_USE_UDL_TEMPLATE -// EDG front end based compilers (icc, nvcc) and GCC < 6.4 do not propertly -// support UDL templates and GCC >= 9 warns about them. -# if FMT_USE_USER_DEFINED_LITERALS && FMT_ICC_VERSION == 0 && \ - FMT_CUDA_VERSION == 0 && \ - ((FMT_GCC_VERSION >= 604 && FMT_GCC_VERSION <= 900 && \ - __cplusplus >= 201402L) || \ - FMT_CLANG_VERSION >= 304) -# define FMT_USE_UDL_TEMPLATE 1 -# else -# define FMT_USE_UDL_TEMPLATE 0 -# endif -#endif - -#ifndef FMT_USE_FLOAT -# define FMT_USE_FLOAT 1 -#endif - -#ifndef FMT_USE_DOUBLE -# define FMT_USE_DOUBLE 1 -#endif - -#ifndef FMT_USE_LONG_DOUBLE -# define FMT_USE_LONG_DOUBLE 1 -#endif - -// __builtin_clz is broken in clang with Microsoft CodeGen: -// https://github.com/fmtlib/fmt/issues/519 -#if (FMT_GCC_VERSION || FMT_HAS_BUILTIN(__builtin_clz)) && !FMT_MSC_VER -# define FMT_BUILTIN_CLZ(n) __builtin_clz(n) -#endif -#if (FMT_GCC_VERSION || FMT_HAS_BUILTIN(__builtin_clzll)) && !FMT_MSC_VER -# define FMT_BUILTIN_CLZLL(n) __builtin_clzll(n) -#endif - -// Some compilers masquerade as both MSVC and GCC-likes or otherwise support -// __builtin_clz and __builtin_clzll, so only define FMT_BUILTIN_CLZ using the -// MSVC intrinsics if the clz and clzll builtins are not available. -#if FMT_MSC_VER && !defined(FMT_BUILTIN_CLZLL) && !defined(_MANAGED) -# include // _BitScanReverse, _BitScanReverse64 - -FMT_BEGIN_NAMESPACE -namespace internal { -// Avoid Clang with Microsoft CodeGen's -Wunknown-pragmas warning. -# ifndef __clang__ -# pragma intrinsic(_BitScanReverse) -# endif -inline uint32_t clz(uint32_t x) { - unsigned long r = 0; - _BitScanReverse(&r, x); - - FMT_ASSERT(x != 0, ""); - // Static analysis complains about using uninitialized data - // "r", but the only way that can happen is if "x" is 0, - // which the callers guarantee to not happen. -# pragma warning(suppress : 6102) - return 31 - r; -} -# define FMT_BUILTIN_CLZ(n) internal::clz(n) - -# if defined(_WIN64) && !defined(__clang__) -# pragma intrinsic(_BitScanReverse64) -# endif - -inline uint32_t clzll(uint64_t x) { - unsigned long r = 0; -# ifdef _WIN64 - _BitScanReverse64(&r, x); -# else - // Scan the high 32 bits. - if (_BitScanReverse(&r, static_cast(x >> 32))) return 63 - (r + 32); - - // Scan the low 32 bits. - _BitScanReverse(&r, static_cast(x)); -# endif - - FMT_ASSERT(x != 0, ""); - // Static analysis complains about using uninitialized data - // "r", but the only way that can happen is if "x" is 0, - // which the callers guarantee to not happen. -# pragma warning(suppress : 6102) - return 63 - r; -} -# define FMT_BUILTIN_CLZLL(n) internal::clzll(n) -} // namespace internal -FMT_END_NAMESPACE -#endif - -// Enable the deprecated numeric alignment. -#ifndef FMT_NUMERIC_ALIGN -# define FMT_NUMERIC_ALIGN 1 -#endif - -// Enable the deprecated percent specifier. -#ifndef FMT_DEPRECATED_PERCENT -# define FMT_DEPRECATED_PERCENT 0 -#endif - -FMT_BEGIN_NAMESPACE -namespace internal { - -// An equivalent of `*reinterpret_cast(&source)` that doesn't have -// undefined behavior (e.g. due to type aliasing). -// Example: uint64_t d = bit_cast(2.718); -template -inline Dest bit_cast(const Source& source) { - static_assert(sizeof(Dest) == sizeof(Source), "size mismatch"); - Dest dest; - std::memcpy(&dest, &source, sizeof(dest)); - return dest; -} - -inline bool is_big_endian() { - const auto u = 1u; - struct bytes { - char data[sizeof(u)]; - }; - return bit_cast(u).data[0] == 0; -} - -// A fallback implementation of uintptr_t for systems that lack it. -struct fallback_uintptr { - unsigned char value[sizeof(void*)]; - - fallback_uintptr() = default; - explicit fallback_uintptr(const void* p) { - *this = bit_cast(p); - if (is_big_endian()) { - for (size_t i = 0, j = sizeof(void*) - 1; i < j; ++i, --j) - std::swap(value[i], value[j]); - } - } -}; -#ifdef UINTPTR_MAX -using uintptr_t = ::uintptr_t; -inline uintptr_t to_uintptr(const void* p) { return bit_cast(p); } -#else -using uintptr_t = fallback_uintptr; -inline fallback_uintptr to_uintptr(const void* p) { - return fallback_uintptr(p); -} -#endif - -// Returns the largest possible value for type T. Same as -// std::numeric_limits::max() but shorter and not affected by the max macro. -template constexpr T max_value() { - return (std::numeric_limits::max)(); -} -template constexpr int num_bits() { - return std::numeric_limits::digits; -} -template <> constexpr int num_bits() { - return static_cast(sizeof(void*) * - std::numeric_limits::digits); -} - -// An approximation of iterator_t for pre-C++20 systems. -template -using iterator_t = decltype(std::begin(std::declval())); - -// Detect the iterator category of *any* given type in a SFINAE-friendly way. -// Unfortunately, older implementations of std::iterator_traits are not safe -// for use in a SFINAE-context. -template -struct iterator_category : std::false_type {}; - -template struct iterator_category { - using type = std::random_access_iterator_tag; -}; - -template -struct iterator_category> { - using type = typename It::iterator_category; -}; - -// Detect if *any* given type models the OutputIterator concept. -template class is_output_iterator { - // Check for mutability because all iterator categories derived from - // std::input_iterator_tag *may* also meet the requirements of an - // OutputIterator, thereby falling into the category of 'mutable iterators' - // [iterator.requirements.general] clause 4. The compiler reveals this - // property only at the point of *actually dereferencing* the iterator! - template - static decltype(*(std::declval())) test(std::input_iterator_tag); - template static char& test(std::output_iterator_tag); - template static const char& test(...); - - using type = decltype(test(typename iterator_category::type{})); - - public: - enum { value = !std::is_const>::value }; -}; - -// A workaround for std::string not having mutable data() until C++17. -template inline Char* get_data(std::basic_string& s) { - return &s[0]; -} -template -inline typename Container::value_type* get_data(Container& c) { - return c.data(); -} - -#if defined(_SECURE_SCL) && _SECURE_SCL -// Make a checked iterator to avoid MSVC warnings. -template using checked_ptr = stdext::checked_array_iterator; -template checked_ptr make_checked(T* p, std::size_t size) { - return {p, size}; -} -#else -template using checked_ptr = T*; -template inline T* make_checked(T* p, std::size_t) { return p; } -#endif - -template ::value)> -inline checked_ptr reserve( - std::back_insert_iterator& it, std::size_t n) { - Container& c = get_container(it); - std::size_t size = c.size(); - c.resize(size + n); - return make_checked(get_data(c) + size, n); -} - -template -inline Iterator& reserve(Iterator& it, std::size_t) { - return it; -} - -// An output iterator that counts the number of objects written to it and -// discards them. -class counting_iterator { - private: - std::size_t count_; - - public: - using iterator_category = std::output_iterator_tag; - using difference_type = std::ptrdiff_t; - using pointer = void; - using reference = void; - using _Unchecked_type = counting_iterator; // Mark iterator as checked. - - struct value_type { - template void operator=(const T&) {} - }; - - counting_iterator() : count_(0) {} - - std::size_t count() const { return count_; } - - counting_iterator& operator++() { - ++count_; - return *this; - } - - counting_iterator operator++(int) { - auto it = *this; - ++*this; - return it; - } - - value_type operator*() const { return {}; } -}; - -template class truncating_iterator_base { - protected: - OutputIt out_; - std::size_t limit_; - std::size_t count_; - - truncating_iterator_base(OutputIt out, std::size_t limit) - : out_(out), limit_(limit), count_(0) {} - - public: - using iterator_category = std::output_iterator_tag; - using value_type = typename std::iterator_traits::value_type; - using difference_type = void; - using pointer = void; - using reference = void; - using _Unchecked_type = - truncating_iterator_base; // Mark iterator as checked. - - OutputIt base() const { return out_; } - std::size_t count() const { return count_; } -}; - -// An output iterator that truncates the output and counts the number of objects -// written to it. -template ::value_type>::type> -class truncating_iterator; - -template -class truncating_iterator - : public truncating_iterator_base { - mutable typename truncating_iterator_base::value_type blackhole_; - - public: - using value_type = typename truncating_iterator_base::value_type; - - truncating_iterator(OutputIt out, std::size_t limit) - : truncating_iterator_base(out, limit) {} - - truncating_iterator& operator++() { - if (this->count_++ < this->limit_) ++this->out_; - return *this; - } - - truncating_iterator operator++(int) { - auto it = *this; - ++*this; - return it; - } - - value_type& operator*() const { - return this->count_ < this->limit_ ? *this->out_ : blackhole_; - } -}; - -template -class truncating_iterator - : public truncating_iterator_base { - public: - truncating_iterator(OutputIt out, std::size_t limit) - : truncating_iterator_base(out, limit) {} - - template truncating_iterator& operator=(T val) { - if (this->count_++ < this->limit_) *this->out_++ = val; - return *this; - } - - truncating_iterator& operator++() { return *this; } - truncating_iterator& operator++(int) { return *this; } - truncating_iterator& operator*() { return *this; } -}; - -// A range with the specified output iterator and value type. -template -class output_range { - private: - OutputIt it_; - - public: - using value_type = T; - using iterator = OutputIt; - struct sentinel {}; - - explicit output_range(OutputIt it) : it_(it) {} - OutputIt begin() const { return it_; } - sentinel end() const { return {}; } // Sentinel is not used yet. -}; - -template -inline size_t count_code_points(basic_string_view s) { - return s.size(); -} - -// Counts the number of code points in a UTF-8 string. -inline size_t count_code_points(basic_string_view s) { - const char* data = s.data(); - size_t num_code_points = 0; - for (size_t i = 0, size = s.size(); i != size; ++i) { - if ((data[i] & 0xc0) != 0x80) ++num_code_points; - } - return num_code_points; -} - -inline size_t count_code_points(basic_string_view s) { - return count_code_points(basic_string_view( - reinterpret_cast(s.data()), s.size())); -} - -template -inline size_t code_point_index(basic_string_view s, size_t n) { - size_t size = s.size(); - return n < size ? n : size; -} - -// Calculates the index of the nth code point in a UTF-8 string. -inline size_t code_point_index(basic_string_view s, size_t n) { - const char8_type* data = s.data(); - size_t num_code_points = 0; - for (size_t i = 0, size = s.size(); i != size; ++i) { - if ((data[i] & 0xc0) != 0x80 && ++num_code_points > n) { - return i; - } - } - return s.size(); -} - -inline char8_type to_char8_t(char c) { return static_cast(c); } - -template -using needs_conversion = bool_constant< - std::is_same::value_type, - char>::value && - std::is_same::value>; - -template ::value)> -OutputIt copy_str(InputIt begin, InputIt end, OutputIt it) { - return std::copy(begin, end, it); -} - -template ::value)> -OutputIt copy_str(InputIt begin, InputIt end, OutputIt it) { - return std::transform(begin, end, it, to_char8_t); -} - -#ifndef FMT_USE_GRISU -# define FMT_USE_GRISU 1 -#endif - -template constexpr bool use_grisu() { - return FMT_USE_GRISU && std::numeric_limits::is_iec559 && - sizeof(T) <= sizeof(double); -} - -template -template -void buffer::append(const U* begin, const U* end) { - std::size_t new_size = size_ + to_unsigned(end - begin); - reserve(new_size); - std::uninitialized_copy(begin, end, make_checked(ptr_, capacity_) + size_); - size_ = new_size; -} -} // namespace internal - -// A range with an iterator appending to a buffer. -template -class buffer_range : public internal::output_range< - std::back_insert_iterator>, T> { - public: - using iterator = std::back_insert_iterator>; - using internal::output_range::output_range; - buffer_range(internal::buffer& buf) - : internal::output_range(std::back_inserter(buf)) {} -}; - -class FMT_DEPRECATED u8string_view - : public basic_string_view { - public: - u8string_view(const char* s) - : basic_string_view( - reinterpret_cast(s)) {} - u8string_view(const char* s, size_t count) FMT_NOEXCEPT - : basic_string_view( - reinterpret_cast(s), count) {} -}; - -#if FMT_USE_USER_DEFINED_LITERALS -inline namespace literals { -FMT_DEPRECATED inline basic_string_view operator"" _u( - const char* s, std::size_t n) { - return {reinterpret_cast(s), n}; -} -} // namespace literals -#endif - -// The number of characters to store in the basic_memory_buffer object itself -// to avoid dynamic memory allocation. -enum { inline_buffer_size = 500 }; - -/** - \rst - A dynamically growing memory buffer for trivially copyable/constructible types - with the first ``SIZE`` elements stored in the object itself. - - You can use one of the following type aliases for common character types: - - +----------------+------------------------------+ - | Type | Definition | - +================+==============================+ - | memory_buffer | basic_memory_buffer | - +----------------+------------------------------+ - | wmemory_buffer | basic_memory_buffer | - +----------------+------------------------------+ - - **Example**:: - - fmt::memory_buffer out; - format_to(out, "The answer is {}.", 42); - - This will append the following output to the ``out`` object: - - .. code-block:: none - - The answer is 42. - - The output can be converted to an ``std::string`` with ``to_string(out)``. - \endrst - */ -template > -class basic_memory_buffer : private Allocator, public internal::buffer { - private: - T store_[SIZE]; - - // Deallocate memory allocated by the buffer. - void deallocate() { - T* data = this->data(); - if (data != store_) Allocator::deallocate(data, this->capacity()); - } - - protected: - void grow(std::size_t size) FMT_OVERRIDE; - - public: - using value_type = T; - using const_reference = const T&; - - explicit basic_memory_buffer(const Allocator& alloc = Allocator()) - : Allocator(alloc) { - this->set(store_, SIZE); - } - ~basic_memory_buffer() FMT_OVERRIDE { deallocate(); } - - private: - // Move data from other to this buffer. - void move(basic_memory_buffer& other) { - Allocator &this_alloc = *this, &other_alloc = other; - this_alloc = std::move(other_alloc); - T* data = other.data(); - std::size_t size = other.size(), capacity = other.capacity(); - if (data == other.store_) { - this->set(store_, capacity); - std::uninitialized_copy(other.store_, other.store_ + size, - internal::make_checked(store_, capacity)); - } else { - this->set(data, capacity); - // Set pointer to the inline array so that delete is not called - // when deallocating. - other.set(other.store_, 0); - } - this->resize(size); - } - - public: - /** - \rst - Constructs a :class:`fmt::basic_memory_buffer` object moving the content - of the other object to it. - \endrst - */ - basic_memory_buffer(basic_memory_buffer&& other) FMT_NOEXCEPT { move(other); } - - /** - \rst - Moves the content of the other ``basic_memory_buffer`` object to this one. - \endrst - */ - basic_memory_buffer& operator=(basic_memory_buffer&& other) FMT_NOEXCEPT { - FMT_ASSERT(this != &other, ""); - deallocate(); - move(other); - return *this; - } - - // Returns a copy of the allocator associated with this buffer. - Allocator get_allocator() const { return *this; } -}; - -template -void basic_memory_buffer::grow(std::size_t size) { -#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION - if (size > 1000) throw std::runtime_error("fuzz mode - won't grow that much"); -#endif - std::size_t old_capacity = this->capacity(); - std::size_t new_capacity = old_capacity + old_capacity / 2; - if (size > new_capacity) new_capacity = size; - T* old_data = this->data(); - T* new_data = std::allocator_traits::allocate(*this, new_capacity); - // The following code doesn't throw, so the raw pointer above doesn't leak. - std::uninitialized_copy(old_data, old_data + this->size(), - internal::make_checked(new_data, new_capacity)); - this->set(new_data, new_capacity); - // deallocate must not throw according to the standard, but even if it does, - // the buffer already uses the new storage and will deallocate it in - // destructor. - if (old_data != store_) Allocator::deallocate(old_data, old_capacity); -} - -using memory_buffer = basic_memory_buffer; -using wmemory_buffer = basic_memory_buffer; - -/** A formatting error such as invalid format string. */ -FMT_CLASS_API -class FMT_API format_error : public std::runtime_error { - public: - explicit format_error(const char* message) : std::runtime_error(message) {} - explicit format_error(const std::string& message) - : std::runtime_error(message) {} - format_error(const format_error&) = default; - format_error& operator=(const format_error&) = default; - format_error(format_error&&) = default; - format_error& operator=(format_error&&) = default; - ~format_error() FMT_NOEXCEPT FMT_OVERRIDE; -}; - -namespace internal { - -// Returns true if value is negative, false otherwise. -// Same as `value < 0` but doesn't produce warnings if T is an unsigned type. -template ::is_signed)> -FMT_CONSTEXPR bool is_negative(T value) { - return value < 0; -} -template ::is_signed)> -FMT_CONSTEXPR bool is_negative(T) { - return false; -} - -template ::value)> -FMT_CONSTEXPR bool is_supported_floating_point(T) { - return (std::is_same::value && FMT_USE_FLOAT) || - (std::is_same::value && FMT_USE_DOUBLE) || - (std::is_same::value && FMT_USE_LONG_DOUBLE); -} - -// Smallest of uint32_t, uint64_t, uint128_t that is large enough to -// represent all values of T. -template -using uint32_or_64_or_128_t = conditional_t< - std::numeric_limits::digits <= 32, uint32_t, - conditional_t::digits <= 64, uint64_t, uint128_t>>; - -// Static data is placed in this class template for the header-only config. -template struct FMT_EXTERN_TEMPLATE_API basic_data { - static const uint64_t powers_of_10_64[]; - static const uint32_t zero_or_powers_of_10_32[]; - static const uint64_t zero_or_powers_of_10_64[]; - static const uint64_t pow10_significands[]; - static const int16_t pow10_exponents[]; - static const char digits[]; - static const char hex_digits[]; - static const char foreground_color[]; - static const char background_color[]; - static const char reset_color[5]; - static const wchar_t wreset_color[5]; - static const char signs[]; -}; - -FMT_EXTERN template struct basic_data; - -// This is a struct rather than an alias to avoid shadowing warnings in gcc. -struct data : basic_data<> {}; - -#ifdef FMT_BUILTIN_CLZLL -// Returns the number of decimal digits in n. Leading zeros are not counted -// except for n == 0 in which case count_digits returns 1. -inline int count_digits(uint64_t n) { - // Based on http://graphics.stanford.edu/~seander/bithacks.html#IntegerLog10 - // and the benchmark https://github.com/localvoid/cxx-benchmark-count-digits. - int t = (64 - FMT_BUILTIN_CLZLL(n | 1)) * 1233 >> 12; - return t - (n < data::zero_or_powers_of_10_64[t]) + 1; -} -#else -// Fallback version of count_digits used when __builtin_clz is not available. -inline int count_digits(uint64_t n) { - int count = 1; - for (;;) { - // Integer division is slow so do it for a group of four digits instead - // of for every digit. The idea comes from the talk by Alexandrescu - // "Three Optimization Tips for C++". See speed-test for a comparison. - if (n < 10) return count; - if (n < 100) return count + 1; - if (n < 1000) return count + 2; - if (n < 10000) return count + 3; - n /= 10000u; - count += 4; - } -} -#endif - -#if FMT_USE_INT128 -inline int count_digits(uint128_t n) { - int count = 1; - for (;;) { - // Integer division is slow so do it for a group of four digits instead - // of for every digit. The idea comes from the talk by Alexandrescu - // "Three Optimization Tips for C++". See speed-test for a comparison. - if (n < 10) return count; - if (n < 100) return count + 1; - if (n < 1000) return count + 2; - if (n < 10000) return count + 3; - n /= 10000U; - count += 4; - } -} -#endif - -// Counts the number of digits in n. BITS = log2(radix). -template inline int count_digits(UInt n) { - int num_digits = 0; - do { - ++num_digits; - } while ((n >>= BITS) != 0); - return num_digits; -} - -template <> int count_digits<4>(internal::fallback_uintptr n); - -#if FMT_GCC_VERSION || FMT_CLANG_VERSION -# define FMT_ALWAYS_INLINE inline __attribute__((always_inline)) -#else -# define FMT_ALWAYS_INLINE -#endif - -#ifdef FMT_BUILTIN_CLZ -// Optional version of count_digits for better performance on 32-bit platforms. -inline int count_digits(uint32_t n) { - int t = (32 - FMT_BUILTIN_CLZ(n | 1)) * 1233 >> 12; - return t - (n < data::zero_or_powers_of_10_32[t]) + 1; -} -#endif - -template FMT_API std::string grouping_impl(locale_ref loc); -template inline std::string grouping(locale_ref loc) { - return grouping_impl(loc); -} -template <> inline std::string grouping(locale_ref loc) { - return grouping_impl(loc); -} - -template FMT_API Char thousands_sep_impl(locale_ref loc); -template inline Char thousands_sep(locale_ref loc) { - return Char(thousands_sep_impl(loc)); -} -template <> inline wchar_t thousands_sep(locale_ref loc) { - return thousands_sep_impl(loc); -} - -template FMT_API Char decimal_point_impl(locale_ref loc); -template inline Char decimal_point(locale_ref loc) { - return Char(decimal_point_impl(loc)); -} -template <> inline wchar_t decimal_point(locale_ref loc) { - return decimal_point_impl(loc); -} - -// Formats a decimal unsigned integer value writing into buffer. -// add_thousands_sep is called after writing each char to add a thousands -// separator if necessary. -template -inline Char* format_decimal(Char* buffer, UInt value, int num_digits, - F add_thousands_sep) { - FMT_ASSERT(num_digits >= 0, "invalid digit count"); - buffer += num_digits; - Char* end = buffer; - while (value >= 100) { - // Integer division is slow so do it for a group of two digits instead - // of for every digit. The idea comes from the talk by Alexandrescu - // "Three Optimization Tips for C++". See speed-test for a comparison. - auto index = static_cast((value % 100) * 2); - value /= 100; - *--buffer = static_cast(data::digits[index + 1]); - add_thousands_sep(buffer); - *--buffer = static_cast(data::digits[index]); - add_thousands_sep(buffer); - } - if (value < 10) { - *--buffer = static_cast('0' + value); - return end; - } - auto index = static_cast(value * 2); - *--buffer = static_cast(data::digits[index + 1]); - add_thousands_sep(buffer); - *--buffer = static_cast(data::digits[index]); - return end; -} - -template constexpr int digits10() FMT_NOEXCEPT { - return std::numeric_limits::digits10; -} -template <> constexpr int digits10() FMT_NOEXCEPT { return 38; } -template <> constexpr int digits10() FMT_NOEXCEPT { return 38; } - -template -inline Iterator format_decimal(Iterator out, UInt value, int num_digits, - F add_thousands_sep) { - FMT_ASSERT(num_digits >= 0, "invalid digit count"); - // Buffer should be large enough to hold all digits (<= digits10 + 1). - enum { max_size = digits10() + 1 }; - Char buffer[2 * max_size]; - auto end = format_decimal(buffer, value, num_digits, add_thousands_sep); - return internal::copy_str(buffer, end, out); -} - -template -inline It format_decimal(It out, UInt value, int num_digits) { - return format_decimal(out, value, num_digits, [](Char*) {}); -} - -template -inline Char* format_uint(Char* buffer, UInt value, int num_digits, - bool upper = false) { - buffer += num_digits; - Char* end = buffer; - do { - const char* digits = upper ? "0123456789ABCDEF" : data::hex_digits; - unsigned digit = (value & ((1 << BASE_BITS) - 1)); - *--buffer = static_cast(BASE_BITS < 4 ? static_cast('0' + digit) - : digits[digit]); - } while ((value >>= BASE_BITS) != 0); - return end; -} - -template -Char* format_uint(Char* buffer, internal::fallback_uintptr n, int num_digits, - bool = false) { - auto char_digits = std::numeric_limits::digits / 4; - int start = (num_digits + char_digits - 1) / char_digits - 1; - if (int start_digits = num_digits % char_digits) { - unsigned value = n.value[start--]; - buffer = format_uint(buffer, value, start_digits); - } - for (; start >= 0; --start) { - unsigned value = n.value[start]; - buffer += char_digits; - auto p = buffer; - for (int i = 0; i < char_digits; ++i) { - unsigned digit = (value & ((1 << BASE_BITS) - 1)); - *--p = static_cast(data::hex_digits[digit]); - value >>= BASE_BITS; - } - } - return buffer; -} - -template -inline It format_uint(It out, UInt value, int num_digits, bool upper = false) { - // Buffer should be large enough to hold all digits (digits / BASE_BITS + 1). - char buffer[num_bits() / BASE_BITS + 1]; - format_uint(buffer, value, num_digits, upper); - return internal::copy_str(buffer, buffer + num_digits, out); -} - -// A converter from UTF-8 to UTF-16. -class utf8_to_utf16 { - private: - wmemory_buffer buffer_; - - public: - FMT_API explicit utf8_to_utf16(string_view s); - operator wstring_view() const { return {&buffer_[0], size()}; } - size_t size() const { return buffer_.size() - 1; } - const wchar_t* c_str() const { return &buffer_[0]; } - std::wstring str() const { return {&buffer_[0], size()}; } -}; - -template struct null {}; - -// Workaround an array initialization issue in gcc 4.8. -template struct fill_t { - private: - enum { max_size = 4 }; - Char data_[max_size]; - unsigned char size_; - - public: - FMT_CONSTEXPR void operator=(basic_string_view s) { - auto size = s.size(); - if (size > max_size) { - FMT_THROW(format_error("invalid fill")); - return; - } - for (size_t i = 0; i < size; ++i) data_[i] = s[i]; - size_ = static_cast(size); - } - - size_t size() const { return size_; } - const Char* data() const { return data_; } - - FMT_CONSTEXPR Char& operator[](size_t index) { return data_[index]; } - FMT_CONSTEXPR const Char& operator[](size_t index) const { - return data_[index]; - } - - static FMT_CONSTEXPR fill_t make() { - auto fill = fill_t(); - fill[0] = Char(' '); - fill.size_ = 1; - return fill; - } -}; -} // namespace internal - -// We cannot use enum classes as bit fields because of a gcc bug -// https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61414. -namespace align { -enum type { none, left, right, center, numeric }; -} -using align_t = align::type; - -namespace sign { -enum type { none, minus, plus, space }; -} -using sign_t = sign::type; - -// Format specifiers for built-in and string types. -template struct basic_format_specs { - int width; - int precision; - char type; - align_t align : 4; - sign_t sign : 3; - bool alt : 1; // Alternate form ('#'). - internal::fill_t fill; - - constexpr basic_format_specs() - : width(0), - precision(-1), - type(0), - align(align::none), - sign(sign::none), - alt(false), - fill(internal::fill_t::make()) {} -}; - -using format_specs = basic_format_specs; - -namespace internal { - -// A floating-point presentation format. -enum class float_format : unsigned char { - general, // General: exponent notation or fixed point based on magnitude. - exp, // Exponent notation with the default precision of 6, e.g. 1.2e-3. - fixed, // Fixed point with the default precision of 6, e.g. 0.0012. - hex -}; - -struct float_specs { - int precision; - float_format format : 8; - sign_t sign : 8; - bool upper : 1; - bool locale : 1; - bool percent : 1; - bool binary32 : 1; - bool use_grisu : 1; - bool showpoint : 1; -}; - -// Writes the exponent exp in the form "[+-]d{2,3}" to buffer. -template It write_exponent(int exp, It it) { - FMT_ASSERT(-10000 < exp && exp < 10000, "exponent out of range"); - if (exp < 0) { - *it++ = static_cast('-'); - exp = -exp; - } else { - *it++ = static_cast('+'); - } - if (exp >= 100) { - const char* top = data::digits + (exp / 100) * 2; - if (exp >= 1000) *it++ = static_cast(top[0]); - *it++ = static_cast(top[1]); - exp %= 100; - } - const char* d = data::digits + exp * 2; - *it++ = static_cast(d[0]); - *it++ = static_cast(d[1]); - return it; -} - -template class float_writer { - private: - // The number is given as v = digits_ * pow(10, exp_). - const char* digits_; - int num_digits_; - int exp_; - size_t size_; - float_specs specs_; - Char decimal_point_; - - template It prettify(It it) const { - // pow(10, full_exp - 1) <= v <= pow(10, full_exp). - int full_exp = num_digits_ + exp_; - if (specs_.format == float_format::exp) { - // Insert a decimal point after the first digit and add an exponent. - *it++ = static_cast(*digits_); - int num_zeros = specs_.precision - num_digits_; - if (num_digits_ > 1 || specs_.showpoint) *it++ = decimal_point_; - it = copy_str(digits_ + 1, digits_ + num_digits_, it); - if (num_zeros > 0 && specs_.showpoint) - it = std::fill_n(it, num_zeros, static_cast('0')); - *it++ = static_cast(specs_.upper ? 'E' : 'e'); - return write_exponent(full_exp - 1, it); - } - if (num_digits_ <= full_exp) { - // 1234e7 -> 12340000000[.0+] - it = copy_str(digits_, digits_ + num_digits_, it); - it = std::fill_n(it, full_exp - num_digits_, static_cast('0')); - if (specs_.showpoint || specs_.precision < 0) { - *it++ = decimal_point_; - int num_zeros = specs_.precision - full_exp; - if (num_zeros <= 0) { - if (specs_.format != float_format::fixed) - *it++ = static_cast('0'); - return it; - } -#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION - if (num_zeros > 1000) - throw std::runtime_error("fuzz mode - avoiding excessive cpu use"); -#endif - it = std::fill_n(it, num_zeros, static_cast('0')); - } - } else if (full_exp > 0) { - // 1234e-2 -> 12.34[0+] - it = copy_str(digits_, digits_ + full_exp, it); - if (!specs_.showpoint) { - // Remove trailing zeros. - int num_digits = num_digits_; - while (num_digits > full_exp && digits_[num_digits - 1] == '0') - --num_digits; - if (num_digits != full_exp) *it++ = decimal_point_; - return copy_str(digits_ + full_exp, digits_ + num_digits, it); - } - *it++ = decimal_point_; - it = copy_str(digits_ + full_exp, digits_ + num_digits_, it); - if (specs_.precision > num_digits_) { - // Add trailing zeros. - int num_zeros = specs_.precision - num_digits_; - it = std::fill_n(it, num_zeros, static_cast('0')); - } - } else { - // 1234e-6 -> 0.001234 - *it++ = static_cast('0'); - int num_zeros = -full_exp; - int num_digits = num_digits_; - if (num_digits == 0 && specs_.precision >= 0 && - specs_.precision < num_zeros) { - num_zeros = specs_.precision; - } - // Remove trailing zeros. - if (!specs_.showpoint) - while (num_digits > 0 && digits_[num_digits - 1] == '0') --num_digits; - if (num_zeros != 0 || num_digits != 0 || specs_.showpoint) { - *it++ = decimal_point_; - it = std::fill_n(it, num_zeros, static_cast('0')); - it = copy_str(digits_, digits_ + num_digits, it); - } - } - return it; - } - - public: - float_writer(const char* digits, int num_digits, int exp, float_specs specs, - Char decimal_point) - : digits_(digits), - num_digits_(num_digits), - exp_(exp), - specs_(specs), - decimal_point_(decimal_point) { - int full_exp = num_digits + exp - 1; - int precision = specs.precision > 0 ? specs.precision : 16; - if (specs_.format == float_format::general && - !(full_exp >= -4 && full_exp < precision)) { - specs_.format = float_format::exp; - } - size_ = prettify(counting_iterator()).count(); - size_ += specs.sign ? 1 : 0; - } - - size_t size() const { return size_; } - size_t width() const { return size(); } - - template void operator()(It&& it) { - if (specs_.sign) *it++ = static_cast(data::signs[specs_.sign]); - it = prettify(it); - } -}; - -template -int format_float(T value, int precision, float_specs specs, buffer& buf); - -// Formats a floating-point number with snprintf. -template -int snprintf_float(T value, int precision, float_specs specs, - buffer& buf); - -template T promote_float(T value) { return value; } -inline double promote_float(float value) { return static_cast(value); } - -template -FMT_CONSTEXPR void handle_int_type_spec(char spec, Handler&& handler) { - switch (spec) { - case 0: - case 'd': - handler.on_dec(); - break; - case 'x': - case 'X': - handler.on_hex(); - break; - case 'b': - case 'B': - handler.on_bin(); - break; - case 'o': - handler.on_oct(); - break; - case 'n': - case 'L': - handler.on_num(); - break; - default: - handler.on_error(); - } -} - -template -FMT_CONSTEXPR float_specs parse_float_type_spec( - const basic_format_specs& specs, ErrorHandler&& eh = {}) { - auto result = float_specs(); - result.showpoint = specs.alt; - switch (specs.type) { - case 0: - result.format = float_format::general; - result.showpoint |= specs.precision > 0; - break; - case 'G': - result.upper = true; - FMT_FALLTHROUGH; - case 'g': - result.format = float_format::general; - break; - case 'E': - result.upper = true; - FMT_FALLTHROUGH; - case 'e': - result.format = float_format::exp; - result.showpoint |= specs.precision != 0; - break; - case 'F': - result.upper = true; - FMT_FALLTHROUGH; - case 'f': - result.format = float_format::fixed; - result.showpoint |= specs.precision != 0; - break; -#if FMT_DEPRECATED_PERCENT - case '%': - result.format = float_format::fixed; - result.percent = true; - break; -#endif - case 'A': - result.upper = true; - FMT_FALLTHROUGH; - case 'a': - result.format = float_format::hex; - break; - case 'n': - result.locale = true; - break; - default: - eh.on_error("invalid type specifier"); - break; - } - return result; -} - -template -FMT_CONSTEXPR void handle_char_specs(const basic_format_specs* specs, - Handler&& handler) { - if (!specs) return handler.on_char(); - if (specs->type && specs->type != 'c') return handler.on_int(); - if (specs->align == align::numeric || specs->sign != sign::none || specs->alt) - handler.on_error("invalid format specifier for char"); - handler.on_char(); -} - -template -FMT_CONSTEXPR void handle_cstring_type_spec(Char spec, Handler&& handler) { - if (spec == 0 || spec == 's') - handler.on_string(); - else if (spec == 'p') - handler.on_pointer(); - else - handler.on_error("invalid type specifier"); -} - -template -FMT_CONSTEXPR void check_string_type_spec(Char spec, ErrorHandler&& eh) { - if (spec != 0 && spec != 's') eh.on_error("invalid type specifier"); -} - -template -FMT_CONSTEXPR void check_pointer_type_spec(Char spec, ErrorHandler&& eh) { - if (spec != 0 && spec != 'p') eh.on_error("invalid type specifier"); -} - -template class int_type_checker : private ErrorHandler { - public: - FMT_CONSTEXPR explicit int_type_checker(ErrorHandler eh) : ErrorHandler(eh) {} - - FMT_CONSTEXPR void on_dec() {} - FMT_CONSTEXPR void on_hex() {} - FMT_CONSTEXPR void on_bin() {} - FMT_CONSTEXPR void on_oct() {} - FMT_CONSTEXPR void on_num() {} - - FMT_CONSTEXPR void on_error() { - ErrorHandler::on_error("invalid type specifier"); - } -}; - -template -class char_specs_checker : public ErrorHandler { - private: - char type_; - - public: - FMT_CONSTEXPR char_specs_checker(char type, ErrorHandler eh) - : ErrorHandler(eh), type_(type) {} - - FMT_CONSTEXPR void on_int() { - handle_int_type_spec(type_, int_type_checker(*this)); - } - FMT_CONSTEXPR void on_char() {} -}; - -template -class cstring_type_checker : public ErrorHandler { - public: - FMT_CONSTEXPR explicit cstring_type_checker(ErrorHandler eh) - : ErrorHandler(eh) {} - - FMT_CONSTEXPR void on_string() {} - FMT_CONSTEXPR void on_pointer() {} -}; - -template -void arg_map::init(const basic_format_args& args) { - if (map_) return; - map_ = new entry[internal::to_unsigned(args.max_size())]; - if (args.is_packed()) { - for (int i = 0;; ++i) { - internal::type arg_type = args.type(i); - if (arg_type == internal::type::none_type) return; - if (arg_type == internal::type::named_arg_type) - push_back(args.values_[i]); - } - } - for (int i = 0, n = args.max_size(); i < n; ++i) { - auto type = args.args_[i].type_; - if (type == internal::type::named_arg_type) push_back(args.args_[i].value_); - } -} - -template struct nonfinite_writer { - sign_t sign; - const char* str; - static constexpr size_t str_size = 3; - - size_t size() const { return str_size + (sign ? 1 : 0); } - size_t width() const { return size(); } - - template void operator()(It&& it) const { - if (sign) *it++ = static_cast(data::signs[sign]); - it = copy_str(str, str + str_size, it); - } -}; - -template -FMT_NOINLINE OutputIt fill(OutputIt it, size_t n, const fill_t& fill) { - auto fill_size = fill.size(); - if (fill_size == 1) return std::fill_n(it, n, fill[0]); - for (size_t i = 0; i < n; ++i) it = std::copy_n(fill.data(), fill_size, it); - return it; -} - -// This template provides operations for formatting and writing data into a -// character range. -template class basic_writer { - public: - using char_type = typename Range::value_type; - using iterator = typename Range::iterator; - using format_specs = basic_format_specs; - - private: - iterator out_; // Output iterator. - locale_ref locale_; - - // Attempts to reserve space for n extra characters in the output range. - // Returns a pointer to the reserved range or a reference to out_. - auto reserve(std::size_t n) -> decltype(internal::reserve(out_, n)) { - return internal::reserve(out_, n); - } - - template struct padded_int_writer { - size_t size_; - string_view prefix; - char_type fill; - std::size_t padding; - F f; - - size_t size() const { return size_; } - size_t width() const { return size_; } - - template void operator()(It&& it) const { - if (prefix.size() != 0) - it = copy_str(prefix.begin(), prefix.end(), it); - it = std::fill_n(it, padding, fill); - f(it); - } - }; - - // Writes an integer in the format - // - // where are written by f(it). - template - void write_int(int num_digits, string_view prefix, format_specs specs, F f) { - std::size_t size = prefix.size() + to_unsigned(num_digits); - char_type fill = specs.fill[0]; - std::size_t padding = 0; - if (specs.align == align::numeric) { - auto unsiged_width = to_unsigned(specs.width); - if (unsiged_width > size) { - padding = unsiged_width - size; - size = unsiged_width; - } - } else if (specs.precision > num_digits) { - size = prefix.size() + to_unsigned(specs.precision); - padding = to_unsigned(specs.precision - num_digits); - fill = static_cast('0'); - } - if (specs.align == align::none) specs.align = align::right; - write_padded(specs, padded_int_writer{size, prefix, fill, padding, f}); - } - - // Writes a decimal integer. - template void write_decimal(Int value) { - auto abs_value = static_cast>(value); - bool negative = is_negative(value); - // Don't do -abs_value since it trips unsigned-integer-overflow sanitizer. - if (negative) abs_value = ~abs_value + 1; - int num_digits = count_digits(abs_value); - auto&& it = reserve((negative ? 1 : 0) + static_cast(num_digits)); - if (negative) *it++ = static_cast('-'); - it = format_decimal(it, abs_value, num_digits); - } - - // The handle_int_type_spec handler that writes an integer. - template struct int_writer { - using unsigned_type = uint32_or_64_or_128_t; - - basic_writer& writer; - const Specs& specs; - unsigned_type abs_value; - char prefix[4]; - unsigned prefix_size; - - string_view get_prefix() const { return string_view(prefix, prefix_size); } - - int_writer(basic_writer& w, Int value, const Specs& s) - : writer(w), - specs(s), - abs_value(static_cast(value)), - prefix_size(0) { - if (is_negative(value)) { - prefix[0] = '-'; - ++prefix_size; - abs_value = 0 - abs_value; - } else if (specs.sign != sign::none && specs.sign != sign::minus) { - prefix[0] = specs.sign == sign::plus ? '+' : ' '; - ++prefix_size; - } - } - - struct dec_writer { - unsigned_type abs_value; - int num_digits; - - template void operator()(It&& it) const { - it = internal::format_decimal(it, abs_value, num_digits); - } - }; - - void on_dec() { - int num_digits = count_digits(abs_value); - writer.write_int(num_digits, get_prefix(), specs, - dec_writer{abs_value, num_digits}); - } - - struct hex_writer { - int_writer& self; - int num_digits; - - template void operator()(It&& it) const { - it = format_uint<4, char_type>(it, self.abs_value, num_digits, - self.specs.type != 'x'); - } - }; - - void on_hex() { - if (specs.alt) { - prefix[prefix_size++] = '0'; - prefix[prefix_size++] = specs.type; - } - int num_digits = count_digits<4>(abs_value); - writer.write_int(num_digits, get_prefix(), specs, - hex_writer{*this, num_digits}); - } - - template struct bin_writer { - unsigned_type abs_value; - int num_digits; - - template void operator()(It&& it) const { - it = format_uint(it, abs_value, num_digits); - } - }; - - void on_bin() { - if (specs.alt) { - prefix[prefix_size++] = '0'; - prefix[prefix_size++] = static_cast(specs.type); - } - int num_digits = count_digits<1>(abs_value); - writer.write_int(num_digits, get_prefix(), specs, - bin_writer<1>{abs_value, num_digits}); - } - - void on_oct() { - int num_digits = count_digits<3>(abs_value); - if (specs.alt && specs.precision <= num_digits && abs_value != 0) { - // Octal prefix '0' is counted as a digit, so only add it if precision - // is not greater than the number of digits. - prefix[prefix_size++] = '0'; - } - writer.write_int(num_digits, get_prefix(), specs, - bin_writer<3>{abs_value, num_digits}); - } - - enum { sep_size = 1 }; - - struct num_writer { - unsigned_type abs_value; - int size; - const std::string& groups; - char_type sep; - - template void operator()(It&& it) const { - basic_string_view s(&sep, sep_size); - // Index of a decimal digit with the least significant digit having - // index 0. - int digit_index = 0; - std::string::const_iterator group = groups.cbegin(); - it = format_decimal( - it, abs_value, size, - [this, s, &group, &digit_index](char_type*& buffer) { - if (*group <= 0 || ++digit_index % *group != 0 || - *group == max_value()) - return; - if (group + 1 != groups.cend()) { - digit_index = 0; - ++group; - } - buffer -= s.size(); - std::uninitialized_copy(s.data(), s.data() + s.size(), - make_checked(buffer, s.size())); - }); - } - }; - - void on_num() { - std::string groups = grouping(writer.locale_); - if (groups.empty()) return on_dec(); - auto sep = thousands_sep(writer.locale_); - if (!sep) return on_dec(); - int num_digits = count_digits(abs_value); - int size = num_digits; - std::string::const_iterator group = groups.cbegin(); - while (group != groups.cend() && num_digits > *group && *group > 0 && - *group != max_value()) { - size += sep_size; - num_digits -= *group; - ++group; - } - if (group == groups.cend()) - size += sep_size * ((num_digits - 1) / groups.back()); - writer.write_int(size, get_prefix(), specs, - num_writer{abs_value, size, groups, sep}); - } - - FMT_NORETURN void on_error() { - FMT_THROW(format_error("invalid type specifier")); - } - }; - - template struct str_writer { - const Char* s; - size_t size_; - - size_t size() const { return size_; } - size_t width() const { - return count_code_points(basic_string_view(s, size_)); - } - - template void operator()(It&& it) const { - it = copy_str(s, s + size_, it); - } - }; - - struct bytes_writer { - string_view bytes; - - size_t size() const { return bytes.size(); } - size_t width() const { return bytes.size(); } - - template void operator()(It&& it) const { - const char* data = bytes.data(); - it = copy_str(data, data + size(), it); - } - }; - - template struct pointer_writer { - UIntPtr value; - int num_digits; - - size_t size() const { return to_unsigned(num_digits) + 2; } - size_t width() const { return size(); } - - template void operator()(It&& it) const { - *it++ = static_cast('0'); - *it++ = static_cast('x'); - it = format_uint<4, char_type>(it, value, num_digits); - } - }; - - public: - explicit basic_writer(Range out, locale_ref loc = locale_ref()) - : out_(out.begin()), locale_(loc) {} - - iterator out() const { return out_; } - - // Writes a value in the format - // - // where is written by f(it). - template void write_padded(const format_specs& specs, F&& f) { - // User-perceived width (in code points). - unsigned width = to_unsigned(specs.width); - size_t size = f.size(); // The number of code units. - size_t num_code_points = width != 0 ? f.width() : size; - if (width <= num_code_points) return f(reserve(size)); - size_t padding = width - num_code_points; - size_t fill_size = specs.fill.size(); - auto&& it = reserve(size + padding * fill_size); - if (specs.align == align::right) { - it = fill(it, padding, specs.fill); - f(it); - } else if (specs.align == align::center) { - std::size_t left_padding = padding / 2; - it = fill(it, left_padding, specs.fill); - f(it); - it = fill(it, padding - left_padding, specs.fill); - } else { - f(it); - it = fill(it, padding, specs.fill); - } - } - - void write(int value) { write_decimal(value); } - void write(long value) { write_decimal(value); } - void write(long long value) { write_decimal(value); } - - void write(unsigned value) { write_decimal(value); } - void write(unsigned long value) { write_decimal(value); } - void write(unsigned long long value) { write_decimal(value); } - -#if FMT_USE_INT128 - void write(int128_t value) { write_decimal(value); } - void write(uint128_t value) { write_decimal(value); } -#endif - - template - void write_int(T value, const Spec& spec) { - handle_int_type_spec(spec.type, int_writer(*this, value, spec)); - } - - template ::value)> - void write(T value, format_specs specs = {}) { - if (const_check(!is_supported_floating_point(value))) { - return; - } - float_specs fspecs = parse_float_type_spec(specs); - fspecs.sign = specs.sign; - if (std::signbit(value)) { // value < 0 is false for NaN so use signbit. - fspecs.sign = sign::minus; - value = -value; - } else if (fspecs.sign == sign::minus) { - fspecs.sign = sign::none; - } - - if (!std::isfinite(value)) { - auto str = std::isinf(value) ? (fspecs.upper ? "INF" : "inf") - : (fspecs.upper ? "NAN" : "nan"); - return write_padded(specs, nonfinite_writer{fspecs.sign, str}); - } - - if (specs.align == align::none) { - specs.align = align::right; - } else if (specs.align == align::numeric) { - if (fspecs.sign) { - auto&& it = reserve(1); - *it++ = static_cast(data::signs[fspecs.sign]); - fspecs.sign = sign::none; - if (specs.width != 0) --specs.width; - } - specs.align = align::right; - } - - memory_buffer buffer; - if (fspecs.format == float_format::hex) { - if (fspecs.sign) buffer.push_back(data::signs[fspecs.sign]); - snprintf_float(promote_float(value), specs.precision, fspecs, buffer); - write_padded(specs, str_writer{buffer.data(), buffer.size()}); - return; - } - int precision = specs.precision >= 0 || !specs.type ? specs.precision : 6; - if (fspecs.format == float_format::exp) { - if (precision == max_value()) - FMT_THROW(format_error("number is too big")); - else - ++precision; - } - if (const_check(std::is_same())) fspecs.binary32 = true; - fspecs.use_grisu = use_grisu(); - if (const_check(FMT_DEPRECATED_PERCENT) && fspecs.percent) value *= 100; - int exp = format_float(promote_float(value), precision, fspecs, buffer); - if (const_check(FMT_DEPRECATED_PERCENT) && fspecs.percent) { - buffer.push_back('%'); - --exp; // Adjust decimal place position. - } - fspecs.precision = precision; - char_type point = fspecs.locale ? decimal_point(locale_) - : static_cast('.'); - write_padded(specs, float_writer(buffer.data(), - static_cast(buffer.size()), - exp, fspecs, point)); - } - - void write(char value) { - auto&& it = reserve(1); - *it++ = value; - } - - template ::value)> - void write(Char value) { - auto&& it = reserve(1); - *it++ = value; - } - - void write(string_view value) { - auto&& it = reserve(value.size()); - it = copy_str(value.begin(), value.end(), it); - } - void write(wstring_view value) { - static_assert(std::is_same::value, ""); - auto&& it = reserve(value.size()); - it = std::copy(value.begin(), value.end(), it); - } - - template - void write(const Char* s, std::size_t size, const format_specs& specs) { - write_padded(specs, str_writer{s, size}); - } - - template - void write(basic_string_view s, const format_specs& specs = {}) { - const Char* data = s.data(); - std::size_t size = s.size(); - if (specs.precision >= 0 && to_unsigned(specs.precision) < size) - size = code_point_index(s, to_unsigned(specs.precision)); - write(data, size, specs); - } - - void write_bytes(string_view bytes, const format_specs& specs) { - write_padded(specs, bytes_writer{bytes}); - } - - template - void write_pointer(UIntPtr value, const format_specs* specs) { - int num_digits = count_digits<4>(value); - auto pw = pointer_writer{value, num_digits}; - if (!specs) return pw(reserve(to_unsigned(num_digits) + 2)); - format_specs specs_copy = *specs; - if (specs_copy.align == align::none) specs_copy.align = align::right; - write_padded(specs_copy, pw); - } -}; - -using writer = basic_writer>; - -template struct is_integral : std::is_integral {}; -template <> struct is_integral : std::true_type {}; -template <> struct is_integral : std::true_type {}; - -template -class arg_formatter_base { - public: - using char_type = typename Range::value_type; - using iterator = typename Range::iterator; - using format_specs = basic_format_specs; - - private: - using writer_type = basic_writer; - writer_type writer_; - format_specs* specs_; - - struct char_writer { - char_type value; - - size_t size() const { return 1; } - size_t width() const { return 1; } - - template void operator()(It&& it) const { *it++ = value; } - }; - - void write_char(char_type value) { - if (specs_) - writer_.write_padded(*specs_, char_writer{value}); - else - writer_.write(value); - } - - void write_pointer(const void* p) { - writer_.write_pointer(internal::to_uintptr(p), specs_); - } - - protected: - writer_type& writer() { return writer_; } - FMT_DEPRECATED format_specs* spec() { return specs_; } - format_specs* specs() { return specs_; } - iterator out() { return writer_.out(); } - - void write(bool value) { - string_view sv(value ? "true" : "false"); - specs_ ? writer_.write(sv, *specs_) : writer_.write(sv); - } - - void write(const char_type* value) { - if (!value) { - FMT_THROW(format_error("string pointer is null")); - } else { - auto length = std::char_traits::length(value); - basic_string_view sv(value, length); - specs_ ? writer_.write(sv, *specs_) : writer_.write(sv); - } - } - - public: - arg_formatter_base(Range r, format_specs* s, locale_ref loc) - : writer_(r, loc), specs_(s) {} - - iterator operator()(monostate) { - FMT_ASSERT(false, "invalid argument type"); - return out(); - } - - template ::value)> - iterator operator()(T value) { - if (specs_) - writer_.write_int(value, *specs_); - else - writer_.write(value); - return out(); - } - - iterator operator()(char_type value) { - internal::handle_char_specs( - specs_, char_spec_handler(*this, static_cast(value))); - return out(); - } - - iterator operator()(bool value) { - if (specs_ && specs_->type) return (*this)(value ? 1 : 0); - write(value != 0); - return out(); - } - - template ::value)> - iterator operator()(T value) { - if (const_check(is_supported_floating_point(value))) - writer_.write(value, specs_ ? *specs_ : format_specs()); - else - FMT_ASSERT(false, "unsupported float argument type"); - return out(); - } - - struct char_spec_handler : ErrorHandler { - arg_formatter_base& formatter; - char_type value; - - char_spec_handler(arg_formatter_base& f, char_type val) - : formatter(f), value(val) {} - - void on_int() { - if (formatter.specs_) - formatter.writer_.write_int(value, *formatter.specs_); - else - formatter.writer_.write(value); - } - void on_char() { formatter.write_char(value); } - }; - - struct cstring_spec_handler : internal::error_handler { - arg_formatter_base& formatter; - const char_type* value; - - cstring_spec_handler(arg_formatter_base& f, const char_type* val) - : formatter(f), value(val) {} - - void on_string() { formatter.write(value); } - void on_pointer() { formatter.write_pointer(value); } - }; - - iterator operator()(const char_type* value) { - if (!specs_) return write(value), out(); - internal::handle_cstring_type_spec(specs_->type, - cstring_spec_handler(*this, value)); - return out(); - } - - iterator operator()(basic_string_view value) { - if (specs_) { - internal::check_string_type_spec(specs_->type, internal::error_handler()); - writer_.write(value, *specs_); - } else { - writer_.write(value); - } - return out(); - } - - iterator operator()(const void* value) { - if (specs_) - check_pointer_type_spec(specs_->type, internal::error_handler()); - write_pointer(value); - return out(); - } -}; - -template FMT_CONSTEXPR bool is_name_start(Char c) { - return ('a' <= c && c <= 'z') || ('A' <= c && c <= 'Z') || '_' == c; -} - -// Parses the range [begin, end) as an unsigned integer. This function assumes -// that the range is non-empty and the first character is a digit. -template -FMT_CONSTEXPR int parse_nonnegative_int(const Char*& begin, const Char* end, - ErrorHandler&& eh) { - FMT_ASSERT(begin != end && '0' <= *begin && *begin <= '9', ""); - unsigned value = 0; - // Convert to unsigned to prevent a warning. - constexpr unsigned max_int = max_value(); - unsigned big = max_int / 10; - do { - // Check for overflow. - if (value > big) { - value = max_int + 1; - break; - } - value = value * 10 + unsigned(*begin - '0'); - ++begin; - } while (begin != end && '0' <= *begin && *begin <= '9'); - if (value > max_int) eh.on_error("number is too big"); - return static_cast(value); -} - -template class custom_formatter { - private: - using char_type = typename Context::char_type; - - basic_format_parse_context& parse_ctx_; - Context& ctx_; - - public: - explicit custom_formatter(basic_format_parse_context& parse_ctx, - Context& ctx) - : parse_ctx_(parse_ctx), ctx_(ctx) {} - - bool operator()(typename basic_format_arg::handle h) const { - h.format(parse_ctx_, ctx_); - return true; - } - - template bool operator()(T) const { return false; } -}; - -template -using is_integer = - bool_constant::value && !std::is_same::value && - !std::is_same::value && - !std::is_same::value>; - -template class width_checker { - public: - explicit FMT_CONSTEXPR width_checker(ErrorHandler& eh) : handler_(eh) {} - - template ::value)> - FMT_CONSTEXPR unsigned long long operator()(T value) { - if (is_negative(value)) handler_.on_error("negative width"); - return static_cast(value); - } - - template ::value)> - FMT_CONSTEXPR unsigned long long operator()(T) { - handler_.on_error("width is not integer"); - return 0; - } - - private: - ErrorHandler& handler_; -}; - -template class precision_checker { - public: - explicit FMT_CONSTEXPR precision_checker(ErrorHandler& eh) : handler_(eh) {} - - template ::value)> - FMT_CONSTEXPR unsigned long long operator()(T value) { - if (is_negative(value)) handler_.on_error("negative precision"); - return static_cast(value); - } - - template ::value)> - FMT_CONSTEXPR unsigned long long operator()(T) { - handler_.on_error("precision is not integer"); - return 0; - } - - private: - ErrorHandler& handler_; -}; - -// A format specifier handler that sets fields in basic_format_specs. -template class specs_setter { - public: - explicit FMT_CONSTEXPR specs_setter(basic_format_specs& specs) - : specs_(specs) {} - - FMT_CONSTEXPR specs_setter(const specs_setter& other) - : specs_(other.specs_) {} - - FMT_CONSTEXPR void on_align(align_t align) { specs_.align = align; } - FMT_CONSTEXPR void on_fill(basic_string_view fill) { - specs_.fill = fill; - } - FMT_CONSTEXPR void on_plus() { specs_.sign = sign::plus; } - FMT_CONSTEXPR void on_minus() { specs_.sign = sign::minus; } - FMT_CONSTEXPR void on_space() { specs_.sign = sign::space; } - FMT_CONSTEXPR void on_hash() { specs_.alt = true; } - - FMT_CONSTEXPR void on_zero() { - specs_.align = align::numeric; - specs_.fill[0] = Char('0'); - } - - FMT_CONSTEXPR void on_width(int width) { specs_.width = width; } - FMT_CONSTEXPR void on_precision(int precision) { - specs_.precision = precision; - } - FMT_CONSTEXPR void end_precision() {} - - FMT_CONSTEXPR void on_type(Char type) { - specs_.type = static_cast(type); - } - - protected: - basic_format_specs& specs_; -}; - -template class numeric_specs_checker { - public: - FMT_CONSTEXPR numeric_specs_checker(ErrorHandler& eh, internal::type arg_type) - : error_handler_(eh), arg_type_(arg_type) {} - - FMT_CONSTEXPR void require_numeric_argument() { - if (!is_arithmetic_type(arg_type_)) - error_handler_.on_error("format specifier requires numeric argument"); - } - - FMT_CONSTEXPR void check_sign() { - require_numeric_argument(); - if (is_integral_type(arg_type_) && arg_type_ != type::int_type && - arg_type_ != type::long_long_type && arg_type_ != type::char_type) { - error_handler_.on_error("format specifier requires signed argument"); - } - } - - FMT_CONSTEXPR void check_precision() { - if (is_integral_type(arg_type_) || arg_type_ == type::pointer_type) - error_handler_.on_error("precision not allowed for this argument type"); - } - - private: - ErrorHandler& error_handler_; - internal::type arg_type_; -}; - -// A format specifier handler that checks if specifiers are consistent with the -// argument type. -template class specs_checker : public Handler { - public: - FMT_CONSTEXPR specs_checker(const Handler& handler, internal::type arg_type) - : Handler(handler), checker_(*this, arg_type) {} - - FMT_CONSTEXPR specs_checker(const specs_checker& other) - : Handler(other), checker_(*this, other.arg_type_) {} - - FMT_CONSTEXPR void on_align(align_t align) { - if (align == align::numeric) checker_.require_numeric_argument(); - Handler::on_align(align); - } - - FMT_CONSTEXPR void on_plus() { - checker_.check_sign(); - Handler::on_plus(); - } - - FMT_CONSTEXPR void on_minus() { - checker_.check_sign(); - Handler::on_minus(); - } - - FMT_CONSTEXPR void on_space() { - checker_.check_sign(); - Handler::on_space(); - } - - FMT_CONSTEXPR void on_hash() { - checker_.require_numeric_argument(); - Handler::on_hash(); - } - - FMT_CONSTEXPR void on_zero() { - checker_.require_numeric_argument(); - Handler::on_zero(); - } - - FMT_CONSTEXPR void end_precision() { checker_.check_precision(); } - - private: - numeric_specs_checker checker_; -}; - -template