From 6848bc7c82331245a1800f1e4ad58fde981c9cb7 Mon Sep 17 00:00:00 2001 From: Momoko Kono Date: Wed, 4 Sep 2024 15:01:44 -0700 Subject: [PATCH] revert src/spdlog --- src/spdlog/async.h | 29 +- src/spdlog/async_logger-inl.h | 43 +- src/spdlog/async_logger.h | 28 +- src/spdlog/cfg/argv.h | 16 +- src/spdlog/cfg/env.h | 10 +- src/spdlog/cfg/helpers-inl.h | 51 +- src/spdlog/cfg/helpers.h | 10 +- src/spdlog/common-inl.h | 37 +- src/spdlog/common.h | 277 +- src/spdlog/details/backtracer-inl.h | 36 +- src/spdlog/details/backtracer.h | 9 +- src/spdlog/details/circular_q.h | 68 +- src/spdlog/details/console_globals.h | 16 +- src/spdlog/details/file_helper-inl.h | 88 +- src/spdlog/details/file_helper.h | 9 +- src/spdlog/details/fmt_helper.h | 80 +- src/spdlog/details/log_msg-inl.h | 29 +- src/spdlog/details/log_msg.h | 9 +- src/spdlog/details/log_msg_buffer-inl.h | 24 +- src/spdlog/details/log_msg_buffer.h | 9 +- src/spdlog/details/mpmc_blocking_q.h | 50 +- src/spdlog/details/null_mutex.h | 31 +- src/spdlog/details/os-inl.h | 352 +- src/spdlog/details/os.h | 30 +- src/spdlog/details/periodic_worker-inl.h | 12 +- src/spdlog/details/periodic_worker.h | 23 +- src/spdlog/details/registry-inl.h | 162 +- src/spdlog/details/registry.h | 12 +- src/spdlog/details/synchronous_factory.h | 8 +- src/spdlog/details/tcp_client-windows.h | 78 +- src/spdlog/details/tcp_client.h | 64 +- src/spdlog/details/thread_pool-inl.h | 72 +- src/spdlog/details/thread_pool.h | 42 +- src/spdlog/details/udp_client-windows.h | 54 +- src/spdlog/details/udp_client.h | 39 +- src/spdlog/details/windows_include.h | 4 +- src/spdlog/fmt/bin_to_hex.h | 96 +- src/spdlog/fmt/bundled/args.h | 377 +- src/spdlog/fmt/bundled/chrono.h | 3688 ++++++------ src/spdlog/fmt/bundled/color.h | 948 ++- src/spdlog/fmt/bundled/compile.h | 830 ++- src/spdlog/fmt/bundled/core.h | 5028 ++++++++-------- src/spdlog/fmt/bundled/format-inl.h | 4089 +++++-------- src/spdlog/fmt/bundled/format.h | 6359 ++++++++++----------- src/spdlog/fmt/bundled/os.h | 576 +- src/spdlog/fmt/bundled/ostream.h | 207 +- src/spdlog/fmt/bundled/printf.h | 1000 ++-- src/spdlog/fmt/bundled/ranges.h | 882 ++- src/spdlog/fmt/bundled/std.h | 190 +- src/spdlog/fmt/bundled/xchar.h | 243 +- src/spdlog/fmt/chrono.h | 20 +- src/spdlog/fmt/compile.h | 20 +- src/spdlog/fmt/fmt.h | 30 +- src/spdlog/fmt/ostr.h | 20 +- src/spdlog/fmt/ranges.h | 20 +- src/spdlog/fmt/std.h | 20 +- src/spdlog/fmt/xchar.h | 20 +- src/spdlog/formatter.h | 5 +- src/spdlog/fwd.h | 2 +- src/spdlog/logger-inl.h | 139 +- src/spdlog/logger.h | 192 +- src/spdlog/pattern_formatter-inl.h | 727 ++- src/spdlog/pattern_formatter.h | 45 +- src/spdlog/sinks/android_sink.h | 88 +- src/spdlog/sinks/ansicolor_sink-inl.h | 57 +- src/spdlog/sinks/ansicolor_sink.h | 15 +- src/spdlog/sinks/base_sink-inl.h | 28 +- src/spdlog/sinks/base_sink.h | 9 +- src/spdlog/sinks/basic_file_sink-inl.h | 18 +- src/spdlog/sinks/basic_file_sink.h | 15 +- src/spdlog/sinks/callback_sink.h | 20 +- src/spdlog/sinks/daily_file_sink.h | 95 +- src/spdlog/sinks/dist_sink.h | 47 +- src/spdlog/sinks/dup_filter_sink.h | 27 +- src/spdlog/sinks/hourly_file_sink.h | 79 +- src/spdlog/sinks/kafka_sink.h | 59 +- src/spdlog/sinks/mongo_sink.h | 47 +- src/spdlog/sinks/msvc_sink.h | 44 +- src/spdlog/sinks/null_sink.h | 19 +- src/spdlog/sinks/ostream_sink.h | 21 +- src/spdlog/sinks/qt_sinks.h | 120 +- src/spdlog/sinks/ringbuffer_sink.h | 29 +- src/spdlog/sinks/rotating_file_sink-inl.h | 64 +- src/spdlog/sinks/rotating_file_sink.h | 17 +- src/spdlog/sinks/sink-inl.h | 11 +- src/spdlog/sinks/sink.h | 9 +- src/spdlog/sinks/stdout_color_sinks-inl.h | 16 +- src/spdlog/sinks/stdout_color_sinks.h | 10 +- src/spdlog/sinks/stdout_sinks-inl.h | 72 +- src/spdlog/sinks/stdout_sinks.h | 19 +- src/spdlog/sinks/syslog_sink.h | 53 +- src/spdlog/sinks/systemd_sink.h | 77 +- src/spdlog/sinks/tcp_sink.h | 36 +- src/spdlog/sinks/udp_sink.h | 32 +- src/spdlog/sinks/win_eventlog_sink.h | 127 +- src/spdlog/sinks/wincolor_sink-inl.h | 88 +- src/spdlog/sinks/wincolor_sink.h | 15 +- src/spdlog/spdlog-inl.h | 70 +- src/spdlog/spdlog.h | 138 +- src/spdlog/stopwatch.h | 23 +- 100 files changed, 14175 insertions(+), 15223 deletions(-) diff --git a/src/spdlog/async.h b/src/spdlog/async.h index 5f968878..94f9f6d9 100644 --- a/src/spdlog/async.h +++ b/src/spdlog/async.h @@ -32,9 +32,11 @@ static const size_t default_async_q_size = 8192; // if a global thread pool doesn't already exist, create it with default queue // size of 8192 items and single thread. template -struct async_factory_impl { +struct async_factory_impl +{ template - static std::shared_ptr create(std::string logger_name, SinkArgs &&...args) { + static std::shared_ptr create(std::string logger_name, SinkArgs &&...args) + { auto ®istry_inst = details::registry::instance(); // create global thread pool if not already exists.. @@ -42,7 +44,8 @@ struct async_factory_impl { auto &mutex = registry_inst.tp_mutex(); std::lock_guard tp_lock(mutex); auto tp = registry_inst.get_tp(); - if (tp == nullptr) { + if (tp == nullptr) + { tp = std::make_shared(details::default_async_q_size, 1U); registry_inst.set_tp(tp); } @@ -58,33 +61,39 @@ using async_factory = async_factory_impl; using async_factory_nonblock = async_factory_impl; template -inline std::shared_ptr create_async(std::string logger_name, SinkArgs &&...sink_args) { +inline std::shared_ptr create_async(std::string logger_name, SinkArgs &&...sink_args) +{ return async_factory::create(std::move(logger_name), std::forward(sink_args)...); } template -inline std::shared_ptr create_async_nb(std::string logger_name, SinkArgs &&...sink_args) { +inline std::shared_ptr create_async_nb(std::string logger_name, SinkArgs &&...sink_args) +{ return async_factory_nonblock::create(std::move(logger_name), std::forward(sink_args)...); } // set global thread pool. inline void init_thread_pool( - size_t q_size, size_t thread_count, std::function on_thread_start, std::function on_thread_stop) { + size_t q_size, size_t thread_count, std::function on_thread_start, std::function on_thread_stop) +{ auto tp = std::make_shared(q_size, thread_count, on_thread_start, on_thread_stop); details::registry::instance().set_tp(std::move(tp)); } -inline void init_thread_pool(size_t q_size, size_t thread_count, std::function on_thread_start) { +inline void init_thread_pool(size_t q_size, size_t thread_count, std::function on_thread_start) +{ init_thread_pool(q_size, thread_count, on_thread_start, [] {}); } -inline void init_thread_pool(size_t q_size, size_t thread_count) { +inline void init_thread_pool(size_t q_size, size_t thread_count) +{ init_thread_pool( q_size, thread_count, [] {}, [] {}); } // get the global thread pool. -inline std::shared_ptr thread_pool() { +inline std::shared_ptr thread_pool() +{ return details::registry::instance().get_tp(); } -} // namespace spdlog +} // namespace spdlog diff --git a/src/spdlog/async_logger-inl.h b/src/spdlog/async_logger-inl.h index f697d3d1..4de8382a 100644 --- a/src/spdlog/async_logger-inl.h +++ b/src/spdlog/async_logger-inl.h @@ -4,7 +4,7 @@ #pragma once #ifndef SPDLOG_HEADER_ONLY -#include +# include #endif #include @@ -15,19 +15,20 @@ SPDLOG_INLINE spdlog::async_logger::async_logger( std::string logger_name, sinks_init_list sinks_list, std::weak_ptr tp, async_overflow_policy overflow_policy) - : async_logger(std::move(logger_name), sinks_list.begin(), sinks_list.end(), std::move(tp), overflow_policy) { -} + : async_logger(std::move(logger_name), sinks_list.begin(), sinks_list.end(), std::move(tp), overflow_policy) +{} SPDLOG_INLINE spdlog::async_logger::async_logger( std::string logger_name, sink_ptr single_sink, std::weak_ptr tp, async_overflow_policy overflow_policy) - : async_logger(std::move(logger_name), {std::move(single_sink)}, std::move(tp), overflow_policy) { -} + : async_logger(std::move(logger_name), {std::move(single_sink)}, std::move(tp), overflow_policy) +{} // send the log message to the thread pool SPDLOG_INLINE void spdlog::async_logger::sink_it_(const details::log_msg &msg){ SPDLOG_TRY{if (auto pool_ptr = thread_pool_.lock()){pool_ptr->post_log(shared_from_this(), msg, overflow_policy_); } -else { +else +{ throw_spdlog_ex("async log: thread pool doesn't exist anymore"); } } @@ -38,7 +39,8 @@ SPDLOG_LOGGER_CATCH(msg.source) SPDLOG_INLINE void spdlog::async_logger::flush_(){ SPDLOG_TRY{if (auto pool_ptr = thread_pool_.lock()){pool_ptr->post_flush(shared_from_this(), overflow_policy_); } -else { +else +{ throw_spdlog_ex("async flush: thread pool doesn't exist anymore"); } } @@ -48,31 +50,40 @@ SPDLOG_LOGGER_CATCH(source_loc()) // // backend functions - called from the thread pool to do the actual job // -SPDLOG_INLINE void spdlog::async_logger::backend_sink_it_(const details::log_msg &msg) { - for (auto &sink : sinks_) { - if (sink->should_log(msg.level)) { - SPDLOG_TRY { +SPDLOG_INLINE void spdlog::async_logger::backend_sink_it_(const details::log_msg &msg) +{ + for (auto &sink : sinks_) + { + if (sink->should_log(msg.level)) + { + SPDLOG_TRY + { sink->log(msg); } SPDLOG_LOGGER_CATCH(msg.source) } } - if (should_flush_(msg)) { + if (should_flush_(msg)) + { backend_flush_(); } } -SPDLOG_INLINE void spdlog::async_logger::backend_flush_() { - for (auto &sink : sinks_) { - SPDLOG_TRY { +SPDLOG_INLINE void spdlog::async_logger::backend_flush_() +{ + for (auto &sink : sinks_) + { + SPDLOG_TRY + { sink->flush(); } SPDLOG_LOGGER_CATCH(source_loc()) } } -SPDLOG_INLINE std::shared_ptr spdlog::async_logger::clone(std::string new_name) { +SPDLOG_INLINE std::shared_ptr spdlog::async_logger::clone(std::string new_name) +{ auto cloned = std::make_shared(*this); cloned->name_ = std::move(new_name); return cloned; diff --git a/src/spdlog/async_logger.h b/src/spdlog/async_logger.h index fa547e93..91a93fcb 100644 --- a/src/spdlog/async_logger.h +++ b/src/spdlog/async_logger.h @@ -19,31 +19,35 @@ namespace spdlog { // Async overflow policy - block by default. -enum class async_overflow_policy { - block, // Block until message can be enqueued - overrun_oldest // Discard oldest message in the queue if full when trying to - // add new item. +enum class async_overflow_policy +{ + block, // Block until message can be enqueued + overrun_oldest // Discard oldest message in the queue if full when trying to + // add new item. }; namespace details { class thread_pool; } -class SPDLOG_API async_logger final : public std::enable_shared_from_this, public logger { +class SPDLOG_API async_logger final : public std::enable_shared_from_this, public logger +{ friend class details::thread_pool; public: template async_logger(std::string logger_name, It begin, It end, std::weak_ptr tp, - async_overflow_policy overflow_policy = async_overflow_policy::block) - : logger(std::move(logger_name), begin, end), thread_pool_(std::move(tp)), overflow_policy_(overflow_policy) { - } + async_overflow_policy overflow_policy = async_overflow_policy::block) + : logger(std::move(logger_name), begin, end) + , thread_pool_(std::move(tp)) + , overflow_policy_(overflow_policy) + {} async_logger(std::string logger_name, sinks_init_list sinks_list, std::weak_ptr tp, - async_overflow_policy overflow_policy = async_overflow_policy::block); + async_overflow_policy overflow_policy = async_overflow_policy::block); async_logger(std::string logger_name, sink_ptr single_sink, std::weak_ptr tp, - async_overflow_policy overflow_policy = async_overflow_policy::block); + async_overflow_policy overflow_policy = async_overflow_policy::block); std::shared_ptr clone(std::string new_name) override; @@ -57,8 +61,8 @@ class SPDLOG_API async_logger final : public std::enable_shared_from_this thread_pool_; async_overflow_policy overflow_policy_; }; -} // namespace spdlog +} // namespace spdlog #ifdef SPDLOG_HEADER_ONLY -#include "async_logger-inl.h" +# include "async_logger-inl.h" #endif diff --git a/src/spdlog/cfg/argv.h b/src/spdlog/cfg/argv.h index 7de2f83e..36d9f1c4 100644 --- a/src/spdlog/cfg/argv.h +++ b/src/spdlog/cfg/argv.h @@ -21,20 +21,24 @@ namespace spdlog { namespace cfg { // search for SPDLOG_LEVEL= in the args and use it to init the levels -inline void load_argv_levels(int argc, const char **argv) { +inline void load_argv_levels(int argc, const char **argv) +{ const std::string spdlog_level_prefix = "SPDLOG_LEVEL="; - for (int i = 1; i < argc; i++) { + for (int i = 1; i < argc; i++) + { std::string arg = argv[i]; - if (arg.find(spdlog_level_prefix) == 0) { + if (arg.find(spdlog_level_prefix) == 0) + { auto levels_string = arg.substr(spdlog_level_prefix.size()); helpers::load_levels(levels_string); } } } -inline void load_argv_levels(int argc, char **argv) { +inline void load_argv_levels(int argc, char **argv) +{ load_argv_levels(argc, const_cast(argv)); } -} // namespace cfg -} // namespace spdlog +} // namespace cfg +} // namespace spdlog diff --git a/src/spdlog/cfg/env.h b/src/spdlog/cfg/env.h index b15baa5a..1f39ebbb 100644 --- a/src/spdlog/cfg/env.h +++ b/src/spdlog/cfg/env.h @@ -25,12 +25,14 @@ namespace spdlog { namespace cfg { -inline void load_env_levels() { +inline void load_env_levels() +{ auto env_val = details::os::getenv("SPDLOG_LEVEL"); - if (!env_val.empty()) { + if (!env_val.empty()) + { helpers::load_levels(env_val); } } -} // namespace cfg -} // namespace spdlog +} // namespace cfg +} // namespace spdlog diff --git a/src/spdlog/cfg/helpers-inl.h b/src/spdlog/cfg/helpers-inl.h index f382a6de..675a13af 100644 --- a/src/spdlog/cfg/helpers-inl.h +++ b/src/spdlog/cfg/helpers-inl.h @@ -4,7 +4,7 @@ #pragma once #ifndef SPDLOG_HEADER_ONLY -#include +# include #endif #include @@ -21,14 +21,16 @@ namespace cfg { namespace helpers { // inplace convert to lowercase -inline std::string &to_lower_(std::string &str) { +inline std::string &to_lower_(std::string &str) +{ std::transform( str.begin(), str.end(), str.begin(), [](char ch) { return static_cast((ch >= 'A' && ch <= 'Z') ? ch + ('a' - 'A') : ch); }); return str; } // inplace trim spaces -inline std::string &trim_(std::string &str) { +inline std::string &trim_(std::string &str) +{ const char *spaces = " \n\r\t"; str.erase(str.find_last_not_of(spaces) + 1); str.erase(0, str.find_first_not_of(spaces)); @@ -42,12 +44,16 @@ inline std::string &trim_(std::string &str) { // "key=" => ("key", "") // "val" => ("", "val") -inline std::pair extract_kv_(char sep, const std::string &str) { +inline std::pair extract_kv_(char sep, const std::string &str) +{ auto n = str.find(sep); std::string k, v; - if (n == std::string::npos) { + if (n == std::string::npos) + { v = str; - } else { + } + else + { k = str.substr(0, n); v = str.substr(n + 1); } @@ -56,12 +62,15 @@ inline std::pair extract_kv_(char sep, const std::stri // return vector of key/value pairs from sequence of "K1=V1,K2=V2,.." // "a=AAA,b=BBB,c=CCC,.." => {("a","AAA"),("b","BBB"),("c", "CCC"),...} -inline std::unordered_map extract_key_vals_(const std::string &str) { +inline std::unordered_map extract_key_vals_(const std::string &str) +{ std::string token; std::istringstream token_stream(str); std::unordered_map rv{}; - while (std::getline(token_stream, token, ',')) { - if (token.empty()) { + while (std::getline(token_stream, token, ',')) + { + if (token.empty()) + { continue; } auto kv = extract_kv_('=', token); @@ -70,8 +79,10 @@ inline std::unordered_map extract_key_vals_(const std: return rv; } -SPDLOG_INLINE void load_levels(const std::string &input) { - if (input.empty() || input.size() > 512) { +SPDLOG_INLINE void load_levels(const std::string &input) +{ + if (input.empty() || input.size() > 512) + { return; } @@ -80,19 +91,23 @@ SPDLOG_INLINE void load_levels(const std::string &input) { level::level_enum global_level = level::info; bool global_level_found = false; - for (auto &name_level : key_vals) { + for (auto &name_level : key_vals) + { auto &logger_name = name_level.first; auto level_name = to_lower_(name_level.second); auto level = level::from_str(level_name); // ignore unrecognized level names - if (level == level::off && level_name != "off") { + if (level == level::off && level_name != "off") + { continue; } - if (logger_name.empty()) // no logger name indicate global level + if (logger_name.empty()) // no logger name indicate global level { global_level_found = true; global_level = level; - } else { + } + else + { levels[logger_name] = level; } } @@ -100,6 +115,6 @@ SPDLOG_INLINE void load_levels(const std::string &input) { details::registry::instance().set_levels(std::move(levels), global_level_found ? &global_level : nullptr); } -} // namespace helpers -} // namespace cfg -} // namespace spdlog +} // namespace helpers +} // namespace cfg +} // namespace spdlog diff --git a/src/spdlog/cfg/helpers.h b/src/spdlog/cfg/helpers.h index d09a1e97..ab7584e0 100644 --- a/src/spdlog/cfg/helpers.h +++ b/src/spdlog/cfg/helpers.h @@ -19,11 +19,11 @@ namespace helpers { // turn off all logging except for logger1 and logger2: "off,logger1=debug,logger2=info" // SPDLOG_API void load_levels(const std::string &txt); -} // namespace helpers +} // namespace helpers -} // namespace cfg -} // namespace spdlog +} // namespace cfg +} // namespace spdlog #ifdef SPDLOG_HEADER_ONLY -#include "helpers-inl.h" -#endif // SPDLOG_HEADER_ONLY +# include "helpers-inl.h" +#endif // SPDLOG_HEADER_ONLY diff --git a/src/spdlog/common-inl.h b/src/spdlog/common-inl.h index 78c568ce..728f9831 100644 --- a/src/spdlog/common-inl.h +++ b/src/spdlog/common-inl.h @@ -4,7 +4,7 @@ #pragma once #ifndef SPDLOG_HEADER_ONLY -#include +# include #endif #include @@ -20,35 +20,41 @@ constexpr static const char *short_level_names[] SPDLOG_SHORT_LEVEL_NAMES; -SPDLOG_INLINE const string_view_t &to_string_view(spdlog::level::level_enum l) SPDLOG_NOEXCEPT { +SPDLOG_INLINE const string_view_t &to_string_view(spdlog::level::level_enum l) SPDLOG_NOEXCEPT +{ return level_string_views[l]; } -SPDLOG_INLINE const char *to_short_c_str(spdlog::level::level_enum l) SPDLOG_NOEXCEPT { +SPDLOG_INLINE const char *to_short_c_str(spdlog::level::level_enum l) SPDLOG_NOEXCEPT +{ return short_level_names[l]; } -SPDLOG_INLINE spdlog::level::level_enum from_str(const std::string &name) SPDLOG_NOEXCEPT { +SPDLOG_INLINE spdlog::level::level_enum from_str(const std::string &name) SPDLOG_NOEXCEPT +{ auto it = std::find(std::begin(level_string_views), std::end(level_string_views), name); if (it != std::end(level_string_views)) return static_cast(std::distance(std::begin(level_string_views), it)); // check also for "warn" and "err" before giving up.. - if (name == "warn") { + if (name == "warn") + { return level::warn; } - if (name == "err") { + if (name == "err") + { return level::err; } return level::off; } -} // namespace level +} // namespace level SPDLOG_INLINE spdlog_ex::spdlog_ex(std::string msg) - : msg_(std::move(msg)) { -} + : msg_(std::move(msg)) +{} -SPDLOG_INLINE spdlog_ex::spdlog_ex(const std::string &msg, int last_errno) { +SPDLOG_INLINE spdlog_ex::spdlog_ex(const std::string &msg, int last_errno) +{ #ifdef SPDLOG_USE_STD_FORMAT msg_ = std::system_error(std::error_code(last_errno, std::generic_category()), msg).what(); #else @@ -58,16 +64,19 @@ SPDLOG_INLINE spdlog_ex::spdlog_ex(const std::string &msg, int last_errno) { #endif } -SPDLOG_INLINE const char *spdlog_ex::what() const SPDLOG_NOEXCEPT { +SPDLOG_INLINE const char *spdlog_ex::what() const SPDLOG_NOEXCEPT +{ return msg_.c_str(); } -SPDLOG_INLINE void throw_spdlog_ex(const std::string &msg, int last_errno) { +SPDLOG_INLINE void throw_spdlog_ex(const std::string &msg, int last_errno) +{ SPDLOG_THROW(spdlog_ex(msg, last_errno)); } -SPDLOG_INLINE void throw_spdlog_ex(std::string msg) { +SPDLOG_INLINE void throw_spdlog_ex(std::string msg) +{ SPDLOG_THROW(spdlog_ex(std::move(msg))); } -} // namespace spdlog +} // namespace spdlog diff --git a/src/spdlog/common.h b/src/spdlog/common.h index c74db9f8..0a262eb2 100644 --- a/src/spdlog/common.h +++ b/src/spdlog/common.h @@ -17,97 +17,98 @@ #include #ifdef SPDLOG_USE_STD_FORMAT -#include -#if __cpp_lib_format >= 202207L -#include -#else -#include -#endif +# include +# if __cpp_lib_format >= 202207L +# include +# else +# include +# endif #endif #ifdef SPDLOG_COMPILED_LIB -#undef SPDLOG_HEADER_ONLY -#if defined(SPDLOG_SHARED_LIB) -#if defined(_WIN32) -#ifdef spdlog_EXPORTS -#define SPDLOG_API __declspec(dllexport) -#else // !spdlog_EXPORTS -#define SPDLOG_API __declspec(dllimport) -#endif -#else // !defined(_WIN32) -#define SPDLOG_API __attribute__((visibility("default"))) -#endif -#else // !defined(SPDLOG_SHARED_LIB) -#define SPDLOG_API -#endif -#define SPDLOG_INLINE -#else // !defined(SPDLOG_COMPILED_LIB) -#define SPDLOG_API -#define SPDLOG_HEADER_ONLY -#define SPDLOG_INLINE inline -#endif // #ifdef SPDLOG_COMPILED_LIB +# undef SPDLOG_HEADER_ONLY +# if defined(SPDLOG_SHARED_LIB) +# if defined(_WIN32) +# ifdef spdlog_EXPORTS +# define SPDLOG_API __declspec(dllexport) +# else // !spdlog_EXPORTS +# define SPDLOG_API __declspec(dllimport) +# endif +# else // !defined(_WIN32) +# define SPDLOG_API __attribute__((visibility("default"))) +# endif +# else // !defined(SPDLOG_SHARED_LIB) +# define SPDLOG_API +# endif +# define SPDLOG_INLINE +#else // !defined(SPDLOG_COMPILED_LIB) +# define SPDLOG_API +# define SPDLOG_HEADER_ONLY +# define SPDLOG_INLINE inline +#endif // #ifdef SPDLOG_COMPILED_LIB #include -#if !defined(SPDLOG_USE_STD_FORMAT) && FMT_VERSION >= 80000 // backward compatibility with fmt versions older than 8 -#define SPDLOG_FMT_RUNTIME(format_string) fmt::runtime(format_string) -#define SPDLOG_FMT_STRING(format_string) FMT_STRING(format_string) -#if defined(SPDLOG_WCHAR_FILENAMES) || defined(SPDLOG_WCHAR_TO_UTF8_SUPPORT) -#include -#endif +#if !defined(SPDLOG_USE_STD_FORMAT) && FMT_VERSION >= 80000 // backward compatibility with fmt versions older than 8 +# define SPDLOG_FMT_RUNTIME(format_string) fmt::runtime(format_string) +# define SPDLOG_FMT_STRING(format_string) FMT_STRING(format_string) +# if defined(SPDLOG_WCHAR_FILENAMES) || defined(SPDLOG_WCHAR_TO_UTF8_SUPPORT) +# include +# endif #else -#define SPDLOG_FMT_RUNTIME(format_string) format_string -#define SPDLOG_FMT_STRING(format_string) format_string +# define SPDLOG_FMT_RUNTIME(format_string) format_string +# define SPDLOG_FMT_STRING(format_string) format_string #endif // visual studio up to 2013 does not support noexcept nor constexpr #if defined(_MSC_VER) && (_MSC_VER < 1900) -#define SPDLOG_NOEXCEPT _NOEXCEPT -#define SPDLOG_CONSTEXPR -#define SPDLOG_CONSTEXPR_FUNC inline +# define SPDLOG_NOEXCEPT _NOEXCEPT +# define SPDLOG_CONSTEXPR +# define SPDLOG_CONSTEXPR_FUNC inline #else -#define SPDLOG_NOEXCEPT noexcept -#define SPDLOG_CONSTEXPR constexpr -#if __cplusplus >= 201402L -#define SPDLOG_CONSTEXPR_FUNC constexpr -#else -#define SPDLOG_CONSTEXPR_FUNC inline -#endif +# define SPDLOG_NOEXCEPT noexcept +# define SPDLOG_CONSTEXPR constexpr +# if __cplusplus >= 201402L +# define SPDLOG_CONSTEXPR_FUNC constexpr +# else +# define SPDLOG_CONSTEXPR_FUNC inline +# endif #endif #if defined(__GNUC__) || defined(__clang__) -#define SPDLOG_DEPRECATED __attribute__((deprecated)) +# define SPDLOG_DEPRECATED __attribute__((deprecated)) #elif defined(_MSC_VER) -#define SPDLOG_DEPRECATED __declspec(deprecated) +# define SPDLOG_DEPRECATED __declspec(deprecated) #else -#define SPDLOG_DEPRECATED +# define SPDLOG_DEPRECATED #endif // disable thread local on msvc 2013 #ifndef SPDLOG_NO_TLS -#if (defined(_MSC_VER) && (_MSC_VER < 1900)) || defined(__cplusplus_winrt) -#define SPDLOG_NO_TLS 1 -#endif +# if (defined(_MSC_VER) && (_MSC_VER < 1900)) || defined(__cplusplus_winrt) +# define SPDLOG_NO_TLS 1 +# endif #endif #ifndef SPDLOG_FUNCTION -#define SPDLOG_FUNCTION static_cast(__FUNCTION__) +# define SPDLOG_FUNCTION static_cast(__FUNCTION__) #endif #ifdef SPDLOG_NO_EXCEPTIONS -#define SPDLOG_TRY -#define SPDLOG_THROW(ex) \ - do { \ - printf("spdlog fatal error: %s\n", ex.what()); \ - std::abort(); \ - } while (0) -#define SPDLOG_CATCH_STD +# define SPDLOG_TRY +# define SPDLOG_THROW(ex) \ + do \ + { \ + printf("spdlog fatal error: %s\n", ex.what()); \ + std::abort(); \ + } while (0) +# define SPDLOG_CATCH_STD #else -#define SPDLOG_TRY try -#define SPDLOG_THROW(ex) throw(ex) -#define SPDLOG_CATCH_STD \ - catch (const std::exception &) { \ - } +# define SPDLOG_TRY try +# define SPDLOG_THROW(ex) throw(ex) +# define SPDLOG_CATCH_STD \ + catch (const std::exception &) \ + {} #endif namespace spdlog { @@ -121,11 +122,11 @@ class sink; #if defined(_WIN32) && defined(SPDLOG_WCHAR_FILENAMES) using filename_t = std::wstring; // allow macro expansion to occur in SPDLOG_FILENAME_T -#define SPDLOG_FILENAME_T_INNER(s) L##s -#define SPDLOG_FILENAME_T(s) SPDLOG_FILENAME_T_INNER(s) +# define SPDLOG_FILENAME_T_INNER(s) L##s +# define SPDLOG_FILENAME_T(s) SPDLOG_FILENAME_T_INNER(s) #else using filename_t = std::string; -#define SPDLOG_FILENAME_T(s) s +# define SPDLOG_FILENAME_T(s) s #endif using log_clock = std::chrono::system_clock; @@ -139,28 +140,29 @@ using string_view_t = std::string_view; using memory_buf_t = std::string; template -#if __cpp_lib_format >= 202207L +# if __cpp_lib_format >= 202207L using format_string_t = std::format_string; -#else +# else using format_string_t = std::string_view; -#endif +# endif template -struct is_convertible_to_basic_format_string : std::integral_constant>::value> {}; +struct is_convertible_to_basic_format_string : std::integral_constant>::value> +{}; -#if defined(SPDLOG_WCHAR_FILENAMES) || defined(SPDLOG_WCHAR_TO_UTF8_SUPPORT) +# if defined(SPDLOG_WCHAR_FILENAMES) || defined(SPDLOG_WCHAR_TO_UTF8_SUPPORT) using wstring_view_t = std::wstring_view; using wmemory_buf_t = std::wstring; template -#if __cpp_lib_format >= 202207L +# if __cpp_lib_format >= 202207L using wformat_string_t = std::wformat_string; -#else +# else using wformat_string_t = std::wstring_view; -#endif -#endif -#define SPDLOG_BUF_TO_STRING(x) x -#else // use fmt lib instead of std::format +# endif +# endif +# define SPDLOG_BUF_TO_STRING(x) x +#else // use fmt lib instead of std::format namespace fmt_lib = fmt; using string_view_t = fmt::basic_string_view; @@ -173,38 +175,40 @@ template using remove_cvref_t = typename std::remove_cv::type>::type; template -#if FMT_VERSION >= 90101 +# if FMT_VERSION >= 90101 using fmt_runtime_string = fmt::runtime_format_string; -#else +# else using fmt_runtime_string = fmt::basic_runtime; -#endif +# endif // clang doesn't like SFINAE disabled constructor in std::is_convertible<> so have to repeat the condition from basic_format_string here, // in addition, fmt::basic_runtime is only convertible to basic_format_string but not basic_string_view template struct is_convertible_to_basic_format_string : std::integral_constant>::value || std::is_same, fmt_runtime_string>::value> {}; + std::is_convertible>::value || std::is_same, fmt_runtime_string>::value> +{}; -#if defined(SPDLOG_WCHAR_FILENAMES) || defined(SPDLOG_WCHAR_TO_UTF8_SUPPORT) +# if defined(SPDLOG_WCHAR_FILENAMES) || defined(SPDLOG_WCHAR_TO_UTF8_SUPPORT) using wstring_view_t = fmt::basic_string_view; using wmemory_buf_t = fmt::basic_memory_buffer; template using wformat_string_t = fmt::wformat_string; -#endif -#define SPDLOG_BUF_TO_STRING(x) fmt::to_string(x) +# endif +# define SPDLOG_BUF_TO_STRING(x) fmt::to_string(x) #endif #ifdef SPDLOG_WCHAR_TO_UTF8_SUPPORT -#ifndef _WIN32 -#error SPDLOG_WCHAR_TO_UTF8_SUPPORT only supported on windows -#endif // _WIN32 -#endif // SPDLOG_WCHAR_TO_UTF8_SUPPORT +# ifndef _WIN32 +# error SPDLOG_WCHAR_TO_UTF8_SUPPORT only supported on windows +# endif // _WIN32 +#endif // SPDLOG_WCHAR_TO_UTF8_SUPPORT template struct is_convertible_to_any_format_string : std::integral_constant::value || - is_convertible_to_basic_format_string::value> {}; + is_convertible_to_basic_format_string::value> +{}; #if defined(SPDLOG_NO_ATOMIC_LEVELS) using level_t = details::null_atomic_int; @@ -221,12 +225,13 @@ using level_t = std::atomic; #define SPDLOG_LEVEL_OFF 6 #if !defined(SPDLOG_ACTIVE_LEVEL) -#define SPDLOG_ACTIVE_LEVEL SPDLOG_LEVEL_INFO +# define SPDLOG_ACTIVE_LEVEL SPDLOG_LEVEL_INFO #endif // Log level enum namespace level { -enum level_enum : int { +enum level_enum : int +{ trace = SPDLOG_LEVEL_TRACE, debug = SPDLOG_LEVEL_DEBUG, info = SPDLOG_LEVEL_INFO, @@ -246,31 +251,32 @@ enum level_enum : int { #define SPDLOG_LEVEL_NAME_OFF spdlog::string_view_t("off", 3) #if !defined(SPDLOG_LEVEL_NAMES) -#define SPDLOG_LEVEL_NAMES \ - { \ - SPDLOG_LEVEL_NAME_TRACE, SPDLOG_LEVEL_NAME_DEBUG, SPDLOG_LEVEL_NAME_INFO, SPDLOG_LEVEL_NAME_WARNING, SPDLOG_LEVEL_NAME_ERROR, \ - SPDLOG_LEVEL_NAME_CRITICAL, SPDLOG_LEVEL_NAME_OFF \ - } +# define SPDLOG_LEVEL_NAMES \ + { \ + SPDLOG_LEVEL_NAME_TRACE, SPDLOG_LEVEL_NAME_DEBUG, SPDLOG_LEVEL_NAME_INFO, SPDLOG_LEVEL_NAME_WARNING, SPDLOG_LEVEL_NAME_ERROR, \ + SPDLOG_LEVEL_NAME_CRITICAL, SPDLOG_LEVEL_NAME_OFF \ + } #endif #if !defined(SPDLOG_SHORT_LEVEL_NAMES) -#define SPDLOG_SHORT_LEVEL_NAMES \ - { \ - "T", "D", "I", "W", "E", "C", "O" \ - } +# define SPDLOG_SHORT_LEVEL_NAMES \ + { \ + "T", "D", "I", "W", "E", "C", "O" \ + } #endif SPDLOG_API const string_view_t &to_string_view(spdlog::level::level_enum l) SPDLOG_NOEXCEPT; SPDLOG_API const char *to_short_c_str(spdlog::level::level_enum l) SPDLOG_NOEXCEPT; SPDLOG_API spdlog::level::level_enum from_str(const std::string &name) SPDLOG_NOEXCEPT; -} // namespace level +} // namespace level // // Color mode used by sinks with color support. // -enum class color_mode { +enum class color_mode +{ always, automatic, never @@ -280,15 +286,17 @@ enum class color_mode { // Pattern time - specific time getting to use for pattern_formatter. // local time by default // -enum class pattern_time_type { - local, // log localtime - utc // log utc +enum class pattern_time_type +{ + local, // log localtime + utc // log utc }; // // Log exception // -class SPDLOG_API spdlog_ex : public std::exception { +class SPDLOG_API spdlog_ex : public std::exception +{ public: explicit spdlog_ex(std::string msg); spdlog_ex(const std::string &msg, int last_errno); @@ -301,13 +309,17 @@ class SPDLOG_API spdlog_ex : public std::exception { [[noreturn]] SPDLOG_API void throw_spdlog_ex(const std::string &msg, int last_errno); [[noreturn]] SPDLOG_API void throw_spdlog_ex(std::string msg); -struct source_loc { +struct source_loc +{ SPDLOG_CONSTEXPR source_loc() = default; SPDLOG_CONSTEXPR source_loc(const char *filename_in, int line_in, const char *funcname_in) - : filename{filename_in}, line{line_in}, funcname{funcname_in} { - } + : filename{filename_in} + , line{line_in} + , funcname{funcname_in} + {} - SPDLOG_CONSTEXPR bool empty() const SPDLOG_NOEXCEPT { + SPDLOG_CONSTEXPR bool empty() const SPDLOG_NOEXCEPT + { return line == 0; } const char *filename{nullptr}; @@ -315,10 +327,14 @@ struct source_loc { const char *funcname{nullptr}; }; -struct file_event_handlers { +struct file_event_handlers +{ file_event_handlers() - : before_open(nullptr), after_open(nullptr), before_close(nullptr), after_close(nullptr) { - } + : before_open(nullptr) + , after_open(nullptr) + , before_close(nullptr) + , after_close(nullptr) + {} std::function before_open; std::function after_open; @@ -330,39 +346,45 @@ namespace details { // to_string_view -SPDLOG_CONSTEXPR_FUNC spdlog::string_view_t to_string_view(const memory_buf_t &buf) SPDLOG_NOEXCEPT { +SPDLOG_CONSTEXPR_FUNC spdlog::string_view_t to_string_view(const memory_buf_t &buf) SPDLOG_NOEXCEPT +{ return spdlog::string_view_t{buf.data(), buf.size()}; } -SPDLOG_CONSTEXPR_FUNC spdlog::string_view_t to_string_view(spdlog::string_view_t str) SPDLOG_NOEXCEPT { +SPDLOG_CONSTEXPR_FUNC spdlog::string_view_t to_string_view(spdlog::string_view_t str) SPDLOG_NOEXCEPT +{ return str; } #if defined(SPDLOG_WCHAR_FILENAMES) || defined(SPDLOG_WCHAR_TO_UTF8_SUPPORT) -SPDLOG_CONSTEXPR_FUNC spdlog::wstring_view_t to_string_view(const wmemory_buf_t &buf) SPDLOG_NOEXCEPT { +SPDLOG_CONSTEXPR_FUNC spdlog::wstring_view_t to_string_view(const wmemory_buf_t &buf) SPDLOG_NOEXCEPT +{ return spdlog::wstring_view_t{buf.data(), buf.size()}; } -SPDLOG_CONSTEXPR_FUNC spdlog::wstring_view_t to_string_view(spdlog::wstring_view_t str) SPDLOG_NOEXCEPT { +SPDLOG_CONSTEXPR_FUNC spdlog::wstring_view_t to_string_view(spdlog::wstring_view_t str) SPDLOG_NOEXCEPT +{ return str; } #endif #ifndef SPDLOG_USE_STD_FORMAT template -inline fmt::basic_string_view to_string_view(fmt::basic_format_string fmt) { +inline fmt::basic_string_view to_string_view(fmt::basic_format_string fmt) +{ return fmt; } #elif __cpp_lib_format >= 202207L template -SPDLOG_CONSTEXPR_FUNC std::basic_string_view to_string_view(std::basic_format_string fmt) SPDLOG_NOEXCEPT { +SPDLOG_CONSTEXPR_FUNC std::basic_string_view to_string_view(std::basic_format_string fmt) SPDLOG_NOEXCEPT +{ return fmt.get(); } #endif // make_unique support for pre c++14 -#if __cplusplus >= 201402L // C++14 and beyond +#if __cplusplus >= 201402L // C++14 and beyond using std::enable_if_t; using std::make_unique; #else @@ -370,7 +392,8 @@ template using enable_if_t = typename std::enable_if::type; template -std::unique_ptr make_unique(Args &&...args) { +std::unique_ptr make_unique(Args &&...args) +{ static_assert(!std::is_array::value, "arrays not supported"); return std::unique_ptr(new T(std::forward(args)...)); } @@ -378,18 +401,20 @@ std::unique_ptr make_unique(Args &&...args) { // to avoid useless casts (see https://github.com/nlohmann/json/issues/2893#issuecomment-889152324) template::value, int> = 0> -constexpr T conditional_static_cast(U value) { +constexpr T conditional_static_cast(U value) +{ return static_cast(value); } template::value, int> = 0> -constexpr T conditional_static_cast(U value) { +constexpr T conditional_static_cast(U value) +{ return value; } -} // namespace details -} // namespace spdlog +} // namespace details +} // namespace spdlog #ifdef SPDLOG_HEADER_ONLY -#include "common-inl.h" +# include "common-inl.h" #endif diff --git a/src/spdlog/details/backtracer-inl.h b/src/spdlog/details/backtracer-inl.h index 43f9415e..40eba408 100644 --- a/src/spdlog/details/backtracer-inl.h +++ b/src/spdlog/details/backtracer-inl.h @@ -4,62 +4,72 @@ #pragma once #ifndef SPDLOG_HEADER_ONLY -#include +# include #endif namespace spdlog { namespace details { -SPDLOG_INLINE backtracer::backtracer(const backtracer &other) { +SPDLOG_INLINE backtracer::backtracer(const backtracer &other) +{ std::lock_guard lock(other.mutex_); enabled_ = other.enabled(); messages_ = other.messages_; } -SPDLOG_INLINE backtracer::backtracer(backtracer &&other) SPDLOG_NOEXCEPT { +SPDLOG_INLINE backtracer::backtracer(backtracer &&other) SPDLOG_NOEXCEPT +{ std::lock_guard lock(other.mutex_); enabled_ = other.enabled(); messages_ = std::move(other.messages_); } -SPDLOG_INLINE backtracer &backtracer::operator=(backtracer other) { +SPDLOG_INLINE backtracer &backtracer::operator=(backtracer other) +{ std::lock_guard lock(mutex_); enabled_ = other.enabled(); messages_ = std::move(other.messages_); return *this; } -SPDLOG_INLINE void backtracer::enable(size_t size) { +SPDLOG_INLINE void backtracer::enable(size_t size) +{ std::lock_guard lock{mutex_}; enabled_.store(true, std::memory_order_relaxed); messages_ = circular_q{size}; } -SPDLOG_INLINE void backtracer::disable() { +SPDLOG_INLINE void backtracer::disable() +{ std::lock_guard lock{mutex_}; enabled_.store(false, std::memory_order_relaxed); } -SPDLOG_INLINE bool backtracer::enabled() const { +SPDLOG_INLINE bool backtracer::enabled() const +{ return enabled_.load(std::memory_order_relaxed); } -SPDLOG_INLINE void backtracer::push_back(const log_msg &msg) { +SPDLOG_INLINE void backtracer::push_back(const log_msg &msg) +{ std::lock_guard lock{mutex_}; messages_.push_back(log_msg_buffer{msg}); } -SPDLOG_INLINE bool backtracer::empty() const { +SPDLOG_INLINE bool backtracer::empty() const +{ std::lock_guard lock{mutex_}; return messages_.empty(); } // pop all items in the q and apply the given fun on each of them. -SPDLOG_INLINE void backtracer::foreach_pop(std::function fun) { +SPDLOG_INLINE void backtracer::foreach_pop(std::function fun) +{ std::lock_guard lock{mutex_}; - while (!messages_.empty()) { + while (!messages_.empty()) + { auto &front_msg = messages_.front(); fun(front_msg); messages_.pop_front(); } } -} // namespace details -} // namespace spdlog +} // namespace details +} // namespace spdlog diff --git a/src/spdlog/details/backtracer.h b/src/spdlog/details/backtracer.h index 17d33a33..13785d85 100644 --- a/src/spdlog/details/backtracer.h +++ b/src/spdlog/details/backtracer.h @@ -15,7 +15,8 @@ namespace spdlog { namespace details { -class SPDLOG_API backtracer { +class SPDLOG_API backtracer +{ mutable std::mutex mutex_; std::atomic enabled_{false}; circular_q messages_; @@ -37,9 +38,9 @@ class SPDLOG_API backtracer { void foreach_pop(std::function fun); }; -} // namespace details -} // namespace spdlog +} // namespace details +} // namespace spdlog #ifdef SPDLOG_HEADER_ONLY -#include "backtracer-inl.h" +# include "backtracer-inl.h" #endif diff --git a/src/spdlog/details/circular_q.h b/src/spdlog/details/circular_q.h index 466631ea..e4fd5fd4 100644 --- a/src/spdlog/details/circular_q.h +++ b/src/spdlog/details/circular_q.h @@ -10,7 +10,8 @@ namespace spdlog { namespace details { template -class circular_q { +class circular_q +{ size_t max_items_ = 0; typename std::vector::size_type head_ = 0; typename std::vector::size_type tail_ = 0; @@ -24,32 +25,35 @@ class circular_q { circular_q() = default; explicit circular_q(size_t max_items) - : max_items_(max_items + 1) // one item is reserved as marker for full q - , - v_(max_items_) { - } + : max_items_(max_items + 1) // one item is reserved as marker for full q + , v_(max_items_) + {} circular_q(const circular_q &) = default; circular_q &operator=(const circular_q &) = default; // move cannot be default, // since we need to reset head_, tail_, etc to zero in the moved object - circular_q(circular_q &&other) SPDLOG_NOEXCEPT { + circular_q(circular_q &&other) SPDLOG_NOEXCEPT + { copy_moveable(std::move(other)); } - circular_q &operator=(circular_q &&other) SPDLOG_NOEXCEPT { + circular_q &operator=(circular_q &&other) SPDLOG_NOEXCEPT + { copy_moveable(std::move(other)); return *this; } // push back, overrun (oldest) item if no room left - void push_back(T &&item) { - if (max_items_ > 0) { + void push_back(T &&item) + { + if (max_items_ > 0) + { v_[tail_] = std::move(item); tail_ = (tail_ + 1) % max_items_; - if (tail_ == head_) // overrun last item if full + if (tail_ == head_) // overrun last item if full { head_ = (head_ + 1) % max_items_; ++overrun_counter_; @@ -59,59 +63,73 @@ class circular_q { // Return reference to the front item. // If there are no elements in the container, the behavior is undefined. - const T &front() const { + const T &front() const + { return v_[head_]; } - T &front() { + T &front() + { return v_[head_]; } // Return number of elements actually stored - size_t size() const { - if (tail_ >= head_) { + size_t size() const + { + if (tail_ >= head_) + { return tail_ - head_; - } else { + } + else + { return max_items_ - (head_ - tail_); } } // Return const reference to item by index. // If index is out of range 0…size()-1, the behavior is undefined. - const T &at(size_t i) const { + const T &at(size_t i) const + { assert(i < size()); return v_[(head_ + i) % max_items_]; } // Pop item from front. // If there are no elements in the container, the behavior is undefined. - void pop_front() { + void pop_front() + { head_ = (head_ + 1) % max_items_; } - bool empty() const { + bool empty() const + { return tail_ == head_; } - bool full() const { + bool full() const + { // head is ahead of the tail by 1 - if (max_items_ > 0) { + if (max_items_ > 0) + { return ((tail_ + 1) % max_items_) == head_; } return false; } - size_t overrun_counter() const { + size_t overrun_counter() const + { return overrun_counter_; } - void reset_overrun_counter() { + void reset_overrun_counter() + { overrun_counter_ = 0; } private: // copy from other&& and reset it to disabled state - void copy_moveable(circular_q &&other) SPDLOG_NOEXCEPT { + void copy_moveable(circular_q &&other) SPDLOG_NOEXCEPT + { max_items_ = other.max_items_; head_ = other.head_; tail_ = other.tail_; @@ -124,5 +142,5 @@ class circular_q { other.overrun_counter_ = 0; } }; -} // namespace details -} // namespace spdlog +} // namespace details +} // namespace spdlog diff --git a/src/spdlog/details/console_globals.h b/src/spdlog/details/console_globals.h index ebe2ea55..665201dd 100644 --- a/src/spdlog/details/console_globals.h +++ b/src/spdlog/details/console_globals.h @@ -9,20 +9,24 @@ namespace spdlog { namespace details { -struct console_mutex { +struct console_mutex +{ using mutex_t = std::mutex; - static mutex_t &mutex() { + static mutex_t &mutex() + { static mutex_t s_mutex; return s_mutex; } }; -struct console_nullmutex { +struct console_nullmutex +{ using mutex_t = null_mutex; - static mutex_t &mutex() { + static mutex_t &mutex() + { static mutex_t s_mutex; return s_mutex; } }; -} // namespace details -} // namespace spdlog +} // namespace details +} // namespace spdlog diff --git a/src/spdlog/details/file_helper-inl.h b/src/spdlog/details/file_helper-inl.h index b23cfbb8..74c89a87 100644 --- a/src/spdlog/details/file_helper-inl.h +++ b/src/spdlog/details/file_helper-inl.h @@ -4,7 +4,7 @@ #pragma once #ifndef SPDLOG_HEADER_ONLY -#include +# include #endif #include @@ -21,39 +21,47 @@ namespace spdlog { namespace details { SPDLOG_INLINE file_helper::file_helper(const file_event_handlers &event_handlers) - : event_handlers_(event_handlers) { -} + : event_handlers_(event_handlers) +{} -SPDLOG_INLINE file_helper::~file_helper() { +SPDLOG_INLINE file_helper::~file_helper() +{ close(); } -SPDLOG_INLINE void file_helper::open(const filename_t &fname, bool truncate) { +SPDLOG_INLINE void file_helper::open(const filename_t &fname, bool truncate) +{ close(); filename_ = fname; auto *mode = SPDLOG_FILENAME_T("ab"); auto *trunc_mode = SPDLOG_FILENAME_T("wb"); - if (event_handlers_.before_open) { + if (event_handlers_.before_open) + { event_handlers_.before_open(filename_); } - for (int tries = 0; tries < open_tries_; ++tries) { + for (int tries = 0; tries < open_tries_; ++tries) + { // create containing folder if not exists already. os::create_dir(os::dir_name(fname)); - if (truncate) { + if (truncate) + { // Truncate by opening-and-closing a tmp file in "wb" mode, always // opening the actual log-we-write-to in "ab" mode, since that // interacts more politely with eternal processes that might // rotate/truncate the file underneath us. std::FILE *tmp; - if (os::fopen_s(&tmp, fname, trunc_mode)) { + if (os::fopen_s(&tmp, fname, trunc_mode)) + { continue; } std::fclose(tmp); } - if (!os::fopen_s(&fd_, fname, mode)) { - if (event_handlers_.after_open) { + if (!os::fopen_s(&fd_, fname, mode)) + { + if (event_handlers_.after_open) + { event_handlers_.after_open(filename_, fd_); } return; @@ -65,56 +73,71 @@ SPDLOG_INLINE void file_helper::open(const filename_t &fname, bool truncate) { throw_spdlog_ex("Failed opening file " + os::filename_to_str(filename_) + " for writing", errno); } -SPDLOG_INLINE void file_helper::reopen(bool truncate) { - if (filename_.empty()) { +SPDLOG_INLINE void file_helper::reopen(bool truncate) +{ + if (filename_.empty()) + { throw_spdlog_ex("Failed re opening file - was not opened before"); } this->open(filename_, truncate); } -SPDLOG_INLINE void file_helper::flush() { - if (std::fflush(fd_) != 0) { +SPDLOG_INLINE void file_helper::flush() +{ + if (std::fflush(fd_) != 0) + { throw_spdlog_ex("Failed flush to file " + os::filename_to_str(filename_), errno); } } -SPDLOG_INLINE void file_helper::sync() { - if (!os::fsync(fd_)) { +SPDLOG_INLINE void file_helper::sync() +{ + if (!os::fsync(fd_)) + { throw_spdlog_ex("Failed to fsync file " + os::filename_to_str(filename_), errno); } } -SPDLOG_INLINE void file_helper::close() { - if (fd_ != nullptr) { - if (event_handlers_.before_close) { +SPDLOG_INLINE void file_helper::close() +{ + if (fd_ != nullptr) + { + if (event_handlers_.before_close) + { event_handlers_.before_close(filename_, fd_); } std::fclose(fd_); fd_ = nullptr; - if (event_handlers_.after_close) { + if (event_handlers_.after_close) + { event_handlers_.after_close(filename_); } } } -SPDLOG_INLINE void file_helper::write(const memory_buf_t &buf) { +SPDLOG_INLINE void file_helper::write(const memory_buf_t &buf) +{ size_t msg_size = buf.size(); auto data = buf.data(); - if (std::fwrite(data, 1, msg_size, fd_) != msg_size) { + if (std::fwrite(data, 1, msg_size, fd_) != msg_size) + { throw_spdlog_ex("Failed writing to file " + os::filename_to_str(filename_), errno); } } -SPDLOG_INLINE size_t file_helper::size() const { - if (fd_ == nullptr) { +SPDLOG_INLINE size_t file_helper::size() const +{ + if (fd_ == nullptr) + { throw_spdlog_ex("Cannot use size() on closed file " + os::filename_to_str(filename_)); } return os::filesize(fd_); } -SPDLOG_INLINE const filename_t &file_helper::filename() const { +SPDLOG_INLINE const filename_t &file_helper::filename() const +{ return filename_; } @@ -131,18 +154,21 @@ SPDLOG_INLINE const filename_t &file_helper::filename() const { // ".mylog" => (".mylog". "") // "my_folder/.mylog" => ("my_folder/.mylog", "") // "my_folder/.mylog.txt" => ("my_folder/.mylog", ".txt") -SPDLOG_INLINE std::tuple file_helper::split_by_extension(const filename_t &fname) { +SPDLOG_INLINE std::tuple file_helper::split_by_extension(const filename_t &fname) +{ auto ext_index = fname.rfind('.'); // no valid extension found - return whole path and empty string as // extension - if (ext_index == filename_t::npos || ext_index == 0 || ext_index == fname.size() - 1) { + if (ext_index == filename_t::npos || ext_index == 0 || ext_index == fname.size() - 1) + { return std::make_tuple(fname, filename_t()); } // treat cases like "/etc/rc.d/somelogfile or "/abc/.hiddenfile" auto folder_index = fname.find_last_of(details::os::folder_seps_filename); - if (folder_index != filename_t::npos && folder_index >= ext_index - 1) { + if (folder_index != filename_t::npos && folder_index >= ext_index - 1) + { return std::make_tuple(fname, filename_t()); } @@ -150,5 +176,5 @@ SPDLOG_INLINE std::tuple file_helper::split_by_extension return std::make_tuple(fname.substr(0, ext_index), fname.substr(ext_index)); } -} // namespace details -} // namespace spdlog +} // namespace details +} // namespace spdlog diff --git a/src/spdlog/details/file_helper.h b/src/spdlog/details/file_helper.h index aba0be47..f42a5eb1 100644 --- a/src/spdlog/details/file_helper.h +++ b/src/spdlog/details/file_helper.h @@ -13,7 +13,8 @@ namespace details { // When failing to open a file, retry several times(5) with a delay interval(10 ms). // Throw spdlog_ex exception on errors. -class SPDLOG_API file_helper { +class SPDLOG_API file_helper +{ public: file_helper() = default; explicit file_helper(const file_event_handlers &event_handlers); @@ -53,9 +54,9 @@ class SPDLOG_API file_helper { filename_t filename_; file_event_handlers event_handlers_; }; -} // namespace details -} // namespace spdlog +} // namespace details +} // namespace spdlog #ifdef SPDLOG_HEADER_ONLY -#include "file_helper-inl.h" +# include "file_helper-inl.h" #endif diff --git a/src/spdlog/details/fmt_helper.h b/src/spdlog/details/fmt_helper.h index e8ed38bb..d9867180 100644 --- a/src/spdlog/details/fmt_helper.h +++ b/src/spdlog/details/fmt_helper.h @@ -9,8 +9,8 @@ #include #ifdef SPDLOG_USE_STD_FORMAT -#include -#include +# include +# include #endif // Some fmt helpers to efficiently format and pad ints and strings @@ -18,38 +18,46 @@ namespace spdlog { namespace details { namespace fmt_helper { -inline void append_string_view(spdlog::string_view_t view, memory_buf_t &dest) { +inline void append_string_view(spdlog::string_view_t view, memory_buf_t &dest) +{ auto *buf_ptr = view.data(); dest.append(buf_ptr, buf_ptr + view.size()); } #ifdef SPDLOG_USE_STD_FORMAT template -inline void append_int(T n, memory_buf_t &dest) { +inline void append_int(T n, memory_buf_t &dest) +{ // Buffer should be large enough to hold all digits (digits10 + 1) and a sign SPDLOG_CONSTEXPR const auto BUF_SIZE = std::numeric_limits::digits10 + 2; char buf[BUF_SIZE]; auto [ptr, ec] = std::to_chars(buf, buf + BUF_SIZE, n, 10); - if (ec == std::errc()) { + if (ec == std::errc()) + { dest.append(buf, ptr); - } else { + } + else + { throw_spdlog_ex("Failed to format int", static_cast(ec)); } } #else template -inline void append_int(T n, memory_buf_t &dest) { +inline void append_int(T n, memory_buf_t &dest) +{ fmt::format_int i(n); dest.append(i.data(), i.data() + i.size()); } #endif template -SPDLOG_CONSTEXPR_FUNC unsigned int count_digits_fallback(T n) { +SPDLOG_CONSTEXPR_FUNC unsigned int count_digits_fallback(T n) +{ // taken from fmt: https://github.com/fmtlib/fmt/blob/8.0.1/include/fmt/format.h#L899-L912 unsigned int count = 1; - for (;;) { + 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. @@ -67,7 +75,8 @@ SPDLOG_CONSTEXPR_FUNC unsigned int count_digits_fallback(T n) { } template -inline unsigned int count_digits(T n) { +inline unsigned int count_digits(T n) +{ using count_type = typename std::conditional<(sizeof(T) > sizeof(uint32_t)), uint64_t, uint32_t>::type; #ifdef SPDLOG_USE_STD_FORMAT return count_digits_fallback(static_cast(n)); @@ -75,55 +84,65 @@ inline unsigned int count_digits(T n) { return static_cast(fmt:: // fmt 7.0.0 renamed the internal namespace to detail. // See: https://github.com/fmtlib/fmt/issues/1538 -#if FMT_VERSION < 70000 - internal -#else - detail -#endif - ::count_digits(static_cast(n))); +# if FMT_VERSION < 70000 + internal +# else + detail +# endif + ::count_digits(static_cast(n))); #endif } -inline void pad2(int n, memory_buf_t &dest) { - if (n >= 0 && n < 100) // 0-99 +inline void pad2(int n, memory_buf_t &dest) +{ + if (n >= 0 && n < 100) // 0-99 { dest.push_back(static_cast('0' + n / 10)); dest.push_back(static_cast('0' + n % 10)); - } else // unlikely, but just in case, let fmt deal with it + } + else // unlikely, but just in case, let fmt deal with it { fmt_lib::format_to(std::back_inserter(dest), SPDLOG_FMT_STRING("{:02}"), n); } } template -inline void pad_uint(T n, unsigned int width, memory_buf_t &dest) { +inline void pad_uint(T n, unsigned int width, memory_buf_t &dest) +{ static_assert(std::is_unsigned::value, "pad_uint must get unsigned T"); - for (auto digits = count_digits(n); digits < width; digits++) { + for (auto digits = count_digits(n); digits < width; digits++) + { dest.push_back('0'); } append_int(n, dest); } template -inline void pad3(T n, memory_buf_t &dest) { +inline void pad3(T n, memory_buf_t &dest) +{ static_assert(std::is_unsigned::value, "pad3 must get unsigned T"); - if (n < 1000) { + if (n < 1000) + { dest.push_back(static_cast(n / 100 + '0')); n = n % 100; dest.push_back(static_cast((n / 10) + '0')); dest.push_back(static_cast((n % 10) + '0')); - } else { + } + else + { append_int(n, dest); } } template -inline void pad6(T n, memory_buf_t &dest) { +inline void pad6(T n, memory_buf_t &dest) +{ pad_uint(n, 6, dest); } template -inline void pad9(T n, memory_buf_t &dest) { +inline void pad9(T n, memory_buf_t &dest) +{ pad_uint(n, 9, dest); } @@ -131,7 +150,8 @@ inline void pad9(T n, memory_buf_t &dest) { // e.g. // fraction(tp) -> will return the millis part of the second template -inline ToDuration time_fraction(log_clock::time_point tp) { +inline ToDuration time_fraction(log_clock::time_point tp) +{ using std::chrono::duration_cast; using std::chrono::seconds; auto duration = tp.time_since_epoch(); @@ -139,6 +159,6 @@ inline ToDuration time_fraction(log_clock::time_point tp) { return duration_cast(duration) - duration_cast(secs); } -} // namespace fmt_helper -} // namespace details -} // namespace spdlog +} // namespace fmt_helper +} // namespace details +} // namespace spdlog diff --git a/src/spdlog/details/log_msg-inl.h b/src/spdlog/details/log_msg-inl.h index 54efcd78..c6e8a7e0 100644 --- a/src/spdlog/details/log_msg-inl.h +++ b/src/spdlog/details/log_msg-inl.h @@ -4,7 +4,7 @@ #pragma once #ifndef SPDLOG_HEADER_ONLY -#include +# include #endif #include @@ -13,24 +13,25 @@ namespace spdlog { namespace details { SPDLOG_INLINE log_msg::log_msg(spdlog::log_clock::time_point log_time, spdlog::source_loc loc, string_view_t a_logger_name, - spdlog::level::level_enum lvl, spdlog::string_view_t msg) - : logger_name(a_logger_name), level(lvl), time(log_time) + spdlog::level::level_enum lvl, spdlog::string_view_t msg) + : logger_name(a_logger_name) + , level(lvl) + , time(log_time) #ifndef SPDLOG_NO_THREAD_ID - , - thread_id(os::thread_id()) + , thread_id(os::thread_id()) #endif - , - source(loc), payload(msg) { -} + , source(loc) + , payload(msg) +{} SPDLOG_INLINE log_msg::log_msg( spdlog::source_loc loc, string_view_t a_logger_name, spdlog::level::level_enum lvl, spdlog::string_view_t msg) - : log_msg(os::now(), loc, a_logger_name, lvl, msg) { -} + : log_msg(os::now(), loc, a_logger_name, lvl, msg) +{} SPDLOG_INLINE log_msg::log_msg(string_view_t a_logger_name, spdlog::level::level_enum lvl, spdlog::string_view_t msg) - : log_msg(os::now(), source_loc{}, a_logger_name, lvl, msg) { -} + : log_msg(os::now(), source_loc{}, a_logger_name, lvl, msg) +{} -} // namespace details -} // namespace spdlog +} // namespace details +} // namespace spdlog diff --git a/src/spdlog/details/log_msg.h b/src/spdlog/details/log_msg.h index 53811081..fed51abd 100644 --- a/src/spdlog/details/log_msg.h +++ b/src/spdlog/details/log_msg.h @@ -8,7 +8,8 @@ namespace spdlog { namespace details { -struct SPDLOG_API log_msg { +struct SPDLOG_API log_msg +{ log_msg() = default; log_msg(log_clock::time_point log_time, source_loc loc, string_view_t logger_name, level::level_enum lvl, string_view_t msg); log_msg(source_loc loc, string_view_t logger_name, level::level_enum lvl, string_view_t msg); @@ -28,9 +29,9 @@ struct SPDLOG_API log_msg { source_loc source; string_view_t payload; }; -} // namespace details -} // namespace spdlog +} // namespace details +} // namespace spdlog #ifdef SPDLOG_HEADER_ONLY -#include "log_msg-inl.h" +# include "log_msg-inl.h" #endif diff --git a/src/spdlog/details/log_msg_buffer-inl.h b/src/spdlog/details/log_msg_buffer-inl.h index ae2898a3..84d83dc2 100644 --- a/src/spdlog/details/log_msg_buffer-inl.h +++ b/src/spdlog/details/log_msg_buffer-inl.h @@ -4,31 +4,35 @@ #pragma once #ifndef SPDLOG_HEADER_ONLY -#include +# include #endif namespace spdlog { namespace details { SPDLOG_INLINE log_msg_buffer::log_msg_buffer(const log_msg &orig_msg) - : log_msg{orig_msg} { + : log_msg{orig_msg} +{ buffer.append(logger_name.begin(), logger_name.end()); buffer.append(payload.begin(), payload.end()); update_string_views(); } SPDLOG_INLINE log_msg_buffer::log_msg_buffer(const log_msg_buffer &other) - : log_msg{other} { + : log_msg{other} +{ buffer.append(logger_name.begin(), logger_name.end()); buffer.append(payload.begin(), payload.end()); update_string_views(); } -SPDLOG_INLINE log_msg_buffer::log_msg_buffer(log_msg_buffer &&other) SPDLOG_NOEXCEPT : log_msg{other}, buffer{std::move(other.buffer)} { +SPDLOG_INLINE log_msg_buffer::log_msg_buffer(log_msg_buffer &&other) SPDLOG_NOEXCEPT : log_msg{other}, buffer{std::move(other.buffer)} +{ update_string_views(); } -SPDLOG_INLINE log_msg_buffer &log_msg_buffer::operator=(const log_msg_buffer &other) { +SPDLOG_INLINE log_msg_buffer &log_msg_buffer::operator=(const log_msg_buffer &other) +{ log_msg::operator=(other); buffer.clear(); buffer.append(other.buffer.data(), other.buffer.data() + other.buffer.size()); @@ -36,17 +40,19 @@ SPDLOG_INLINE log_msg_buffer &log_msg_buffer::operator=(const log_msg_buffer &ot return *this; } -SPDLOG_INLINE log_msg_buffer &log_msg_buffer::operator=(log_msg_buffer &&other) SPDLOG_NOEXCEPT { +SPDLOG_INLINE log_msg_buffer &log_msg_buffer::operator=(log_msg_buffer &&other) SPDLOG_NOEXCEPT +{ log_msg::operator=(other); buffer = std::move(other.buffer); update_string_views(); return *this; } -SPDLOG_INLINE void log_msg_buffer::update_string_views() { +SPDLOG_INLINE void log_msg_buffer::update_string_views() +{ logger_name = string_view_t{buffer.data(), logger_name.size()}; payload = string_view_t{buffer.data() + logger_name.size(), payload.size()}; } -} // namespace details -} // namespace spdlog +} // namespace details +} // namespace spdlog diff --git a/src/spdlog/details/log_msg_buffer.h b/src/spdlog/details/log_msg_buffer.h index c926cfaa..81055065 100644 --- a/src/spdlog/details/log_msg_buffer.h +++ b/src/spdlog/details/log_msg_buffer.h @@ -11,7 +11,8 @@ namespace details { // Extend log_msg with internal buffer to store its payload. // This is needed since log_msg holds string_views that points to stack data. -class SPDLOG_API log_msg_buffer : public log_msg { +class SPDLOG_API log_msg_buffer : public log_msg +{ memory_buf_t buffer; void update_string_views(); @@ -24,9 +25,9 @@ class SPDLOG_API log_msg_buffer : public log_msg { log_msg_buffer &operator=(log_msg_buffer &&other) SPDLOG_NOEXCEPT; }; -} // namespace details -} // namespace spdlog +} // namespace details +} // namespace spdlog #ifdef SPDLOG_HEADER_ONLY -#include "log_msg_buffer-inl.h" +# include "log_msg_buffer-inl.h" #endif diff --git a/src/spdlog/details/mpmc_blocking_q.h b/src/spdlog/details/mpmc_blocking_q.h index a991391c..101ea8c0 100644 --- a/src/spdlog/details/mpmc_blocking_q.h +++ b/src/spdlog/details/mpmc_blocking_q.h @@ -19,16 +19,18 @@ namespace spdlog { namespace details { template -class mpmc_blocking_queue { +class mpmc_blocking_queue +{ public: using item_type = T; explicit mpmc_blocking_queue(size_t max_items) - : q_(max_items) { - } + : q_(max_items) + {} #ifndef __MINGW32__ // try to enqueue and block if no room left - void enqueue(T &&item) { + void enqueue(T &&item) + { { std::unique_lock lock(queue_mutex_); pop_cv_.wait(lock, [this] { return !this->q_.full(); }); @@ -38,7 +40,8 @@ class mpmc_blocking_queue { } // enqueue immediately. overrun oldest message in the queue if no room left. - void enqueue_nowait(T &&item) { + void enqueue_nowait(T &&item) + { { std::unique_lock lock(queue_mutex_); q_.push_back(std::move(item)); @@ -48,10 +51,12 @@ class mpmc_blocking_queue { // dequeue with a timeout. // Return true, if succeeded dequeue item, false otherwise - bool dequeue_for(T &popped_item, std::chrono::milliseconds wait_duration) { + bool dequeue_for(T &popped_item, std::chrono::milliseconds wait_duration) + { { std::unique_lock lock(queue_mutex_); - if (!push_cv_.wait_for(lock, wait_duration, [this] { return !this->q_.empty(); })) { + if (!push_cv_.wait_for(lock, wait_duration, [this] { return !this->q_.empty(); })) + { return false; } popped_item = std::move(q_.front()); @@ -62,7 +67,8 @@ class mpmc_blocking_queue { } // blocking dequeue without a timeout. - void dequeue(T &popped_item) { + void dequeue(T &popped_item) + { { std::unique_lock lock(queue_mutex_); push_cv_.wait(lock, [this] { return !this->q_.empty(); }); @@ -77,7 +83,8 @@ class mpmc_blocking_queue { // so release the mutex at the very end each function. // try to enqueue and block if no room left - void enqueue(T &&item) { + void enqueue(T &&item) + { std::unique_lock lock(queue_mutex_); pop_cv_.wait(lock, [this] { return !this->q_.full(); }); q_.push_back(std::move(item)); @@ -85,7 +92,8 @@ class mpmc_blocking_queue { } // enqueue immediately. overrun oldest message in the queue if no room left. - void enqueue_nowait(T &&item) { + void enqueue_nowait(T &&item) + { std::unique_lock lock(queue_mutex_); q_.push_back(std::move(item)); push_cv_.notify_one(); @@ -93,9 +101,11 @@ class mpmc_blocking_queue { // dequeue with a timeout. // Return true, if succeeded dequeue item, false otherwise - bool dequeue_for(T &popped_item, std::chrono::milliseconds wait_duration) { + bool dequeue_for(T &popped_item, std::chrono::milliseconds wait_duration) + { std::unique_lock lock(queue_mutex_); - if (!push_cv_.wait_for(lock, wait_duration, [this] { return !this->q_.empty(); })) { + if (!push_cv_.wait_for(lock, wait_duration, [this] { return !this->q_.empty(); })) + { return false; } popped_item = std::move(q_.front()); @@ -105,7 +115,8 @@ class mpmc_blocking_queue { } // blocking dequeue without a timeout. - void dequeue(T &popped_item) { + void dequeue(T &popped_item) + { std::unique_lock lock(queue_mutex_); push_cv_.wait(lock, [this] { return !this->q_.empty(); }); popped_item = std::move(q_.front()); @@ -115,17 +126,20 @@ class mpmc_blocking_queue { #endif - size_t overrun_counter() { + size_t overrun_counter() + { std::unique_lock lock(queue_mutex_); return q_.overrun_counter(); } - size_t size() { + size_t size() + { std::unique_lock lock(queue_mutex_); return q_.size(); } - void reset_overrun_counter() { + void reset_overrun_counter() + { std::unique_lock lock(queue_mutex_); q_.reset_overrun_counter(); } @@ -136,5 +150,5 @@ class mpmc_blocking_queue { std::condition_variable pop_cv_; spdlog::details::circular_q q_; }; -} // namespace details -} // namespace spdlog +} // namespace details +} // namespace spdlog diff --git a/src/spdlog/details/null_mutex.h b/src/spdlog/details/null_mutex.h index 2731170c..6550a7bf 100644 --- a/src/spdlog/details/null_mutex.h +++ b/src/spdlog/details/null_mutex.h @@ -9,34 +9,37 @@ namespace spdlog { namespace details { -struct null_mutex { - void lock() const { - } - void unlock() const { - } +struct null_mutex +{ + void lock() const {} + void unlock() const {} }; -struct null_atomic_int { +struct null_atomic_int +{ int value; null_atomic_int() = default; explicit null_atomic_int(int new_value) - : value(new_value) { - } + : value(new_value) + {} - int load(std::memory_order = std::memory_order_relaxed) const { + int load(std::memory_order = std::memory_order_relaxed) const + { return value; } - void store(int new_value, std::memory_order = std::memory_order_relaxed) { + void store(int new_value, std::memory_order = std::memory_order_relaxed) + { value = new_value; } - int exchange(int new_value, std::memory_order = std::memory_order_relaxed) { + int exchange(int new_value, std::memory_order = std::memory_order_relaxed) + { std::swap(new_value, value); - return new_value; // return value before the call + return new_value; // return value before the call } }; -} // namespace details -} // namespace spdlog +} // namespace details +} // namespace spdlog diff --git a/src/spdlog/details/os-inl.h b/src/spdlog/details/os-inl.h index 4c6653ee..ea8864ea 100644 --- a/src/spdlog/details/os-inl.h +++ b/src/spdlog/details/os-inl.h @@ -4,7 +4,7 @@ #pragma once #ifndef SPDLOG_HEADER_ONLY -#include +# include #endif #include @@ -23,58 +23,59 @@ #ifdef _WIN32 -#include // for _get_osfhandle, _isatty, _fileno -#include // for _get_pid -#include -#include // for FlushFileBuffers +# include // for _get_osfhandle, _isatty, _fileno +# include // for _get_pid +# include +# include // for FlushFileBuffers -#ifdef __MINGW32__ -#include -#endif +# ifdef __MINGW32__ +# include +# endif -#if defined(SPDLOG_WCHAR_TO_UTF8_SUPPORT) || defined(SPDLOG_WCHAR_FILENAMES) -#include -#include -#endif +# if defined(SPDLOG_WCHAR_TO_UTF8_SUPPORT) || defined(SPDLOG_WCHAR_FILENAMES) +# include +# include +# endif -#include // for _mkdir/_wmkdir +# include // for _mkdir/_wmkdir -#else // unix +#else // unix -#include -#include +# include +# include -#ifdef __linux__ -#include //Use gettid() syscall under linux to get thread id +# ifdef __linux__ +# include //Use gettid() syscall under linux to get thread id -#elif defined(_AIX) -#include // for pthread_getthrds_np +# elif defined(_AIX) +# include // for pthread_getthrds_np -#elif defined(__DragonFly__) || defined(__FreeBSD__) -#include // for pthread_getthreadid_np +# elif defined(__DragonFly__) || defined(__FreeBSD__) +# include // for pthread_getthreadid_np -#elif defined(__NetBSD__) -#include // for _lwp_self +# elif defined(__NetBSD__) +# include // for _lwp_self -#elif defined(__sun) -#include // for thr_self -#endif +# elif defined(__sun) +# include // for thr_self +# endif -#endif // unix +#endif // unix #if defined __APPLE__ -#include +# include #endif -#ifndef __has_feature // Clang - feature checking macros. -#define __has_feature(x) 0 // Compatibility with non-clang compilers. +#ifndef __has_feature // Clang - feature checking macros. +# define __has_feature(x) 0 // Compatibility with non-clang compilers. #endif namespace spdlog { namespace details { namespace os { -SPDLOG_INLINE spdlog::log_clock::time_point now() SPDLOG_NOEXCEPT { +SPDLOG_INLINE spdlog::log_clock::time_point now() SPDLOG_NOEXCEPT +{ #if defined __linux__ && defined SPDLOG_CLOCK_COARSE timespec ts; @@ -86,7 +87,8 @@ SPDLOG_INLINE spdlog::log_clock::time_point now() SPDLOG_NOEXCEPT { return log_clock::now(); #endif } -SPDLOG_INLINE std::tm localtime(const std::time_t &time_tt) SPDLOG_NOEXCEPT { +SPDLOG_INLINE std::tm localtime(const std::time_t &time_tt) SPDLOG_NOEXCEPT +{ #ifdef _WIN32 std::tm tm; @@ -98,12 +100,14 @@ SPDLOG_INLINE std::tm localtime(const std::time_t &time_tt) SPDLOG_NOEXCEPT { return tm; } -SPDLOG_INLINE std::tm localtime() SPDLOG_NOEXCEPT { +SPDLOG_INLINE std::tm localtime() SPDLOG_NOEXCEPT +{ std::time_t now_t = ::time(nullptr); return localtime(now_t); } -SPDLOG_INLINE std::tm gmtime(const std::time_t &time_tt) SPDLOG_NOEXCEPT { +SPDLOG_INLINE std::tm gmtime(const std::time_t &time_tt) SPDLOG_NOEXCEPT +{ #ifdef _WIN32 std::tm tm; @@ -115,48 +119,55 @@ SPDLOG_INLINE std::tm gmtime(const std::time_t &time_tt) SPDLOG_NOEXCEPT { return tm; } -SPDLOG_INLINE std::tm gmtime() SPDLOG_NOEXCEPT { +SPDLOG_INLINE std::tm gmtime() SPDLOG_NOEXCEPT +{ std::time_t now_t = ::time(nullptr); return gmtime(now_t); } // fopen_s on non windows for writing -SPDLOG_INLINE bool fopen_s(FILE **fp, const filename_t &filename, const filename_t &mode) { +SPDLOG_INLINE bool fopen_s(FILE **fp, const filename_t &filename, const filename_t &mode) +{ #ifdef _WIN32 -#ifdef SPDLOG_WCHAR_FILENAMES +# ifdef SPDLOG_WCHAR_FILENAMES *fp = ::_wfsopen((filename.c_str()), mode.c_str(), _SH_DENYNO); -#else +# else *fp = ::_fsopen((filename.c_str()), mode.c_str(), _SH_DENYNO); -#endif -#if defined(SPDLOG_PREVENT_CHILD_FD) - if (*fp != nullptr) { +# endif +# if defined(SPDLOG_PREVENT_CHILD_FD) + if (*fp != nullptr) + { auto file_handle = reinterpret_cast(_get_osfhandle(::_fileno(*fp))); - if (!::SetHandleInformation(file_handle, HANDLE_FLAG_INHERIT, 0)) { + if (!::SetHandleInformation(file_handle, HANDLE_FLAG_INHERIT, 0)) + { ::fclose(*fp); *fp = nullptr; } } -#endif -#else // unix -#if defined(SPDLOG_PREVENT_CHILD_FD) +# endif +#else // unix +# if defined(SPDLOG_PREVENT_CHILD_FD) const int mode_flag = mode == SPDLOG_FILENAME_T("ab") ? O_APPEND : O_TRUNC; const int fd = ::open((filename.c_str()), O_CREAT | O_WRONLY | O_CLOEXEC | mode_flag, mode_t(0644)); - if (fd == -1) { + if (fd == -1) + { return true; } *fp = ::fdopen(fd, mode.c_str()); - if (*fp == nullptr) { + if (*fp == nullptr) + { ::close(fd); } -#else +# else *fp = ::fopen((filename.c_str()), mode.c_str()); -#endif +# endif #endif return *fp == nullptr; } -SPDLOG_INLINE int remove(const filename_t &filename) SPDLOG_NOEXCEPT { +SPDLOG_INLINE int remove(const filename_t &filename) SPDLOG_NOEXCEPT +{ #if defined(_WIN32) && defined(SPDLOG_WCHAR_FILENAMES) return ::_wremove(filename.c_str()); #else @@ -164,11 +175,13 @@ SPDLOG_INLINE int remove(const filename_t &filename) SPDLOG_NOEXCEPT { #endif } -SPDLOG_INLINE int remove_if_exists(const filename_t &filename) SPDLOG_NOEXCEPT { +SPDLOG_INLINE int remove_if_exists(const filename_t &filename) SPDLOG_NOEXCEPT +{ return path_exists(filename) ? remove(filename) : 0; } -SPDLOG_INLINE int rename(const filename_t &filename1, const filename_t &filename2) SPDLOG_NOEXCEPT { +SPDLOG_INLINE int rename(const filename_t &filename1, const filename_t &filename2) SPDLOG_NOEXCEPT +{ #if defined(_WIN32) && defined(SPDLOG_WCHAR_FILENAMES) return ::_wrename(filename1.c_str(), filename2.c_str()); #else @@ -177,15 +190,16 @@ SPDLOG_INLINE int rename(const filename_t &filename1, const filename_t &filename } // Return true if path exists (file or directory) -SPDLOG_INLINE bool path_exists(const filename_t &filename) SPDLOG_NOEXCEPT { +SPDLOG_INLINE bool path_exists(const filename_t &filename) SPDLOG_NOEXCEPT +{ #ifdef _WIN32 -#ifdef SPDLOG_WCHAR_FILENAMES +# ifdef SPDLOG_WCHAR_FILENAMES auto attribs = ::GetFileAttributesW(filename.c_str()); -#else +# else auto attribs = ::GetFileAttributesA(filename.c_str()); -#endif +# endif return attribs != INVALID_FILE_ATTRIBUTES; -#else // common linux/unix all have the stat system call +#else // common linux/unix all have the stat system call struct stat buffer; return (::stat(filename.c_str(), &buffer) == 0); #endif @@ -193,86 +207,98 @@ SPDLOG_INLINE bool path_exists(const filename_t &filename) SPDLOG_NOEXCEPT { #ifdef _MSC_VER // avoid warning about unreachable statement at the end of filesize() -#pragma warning(push) -#pragma warning(disable : 4702) +# pragma warning(push) +# pragma warning(disable : 4702) #endif // Return file size according to open FILE* object -SPDLOG_INLINE size_t filesize(FILE *f) { - if (f == nullptr) { +SPDLOG_INLINE size_t filesize(FILE *f) +{ + if (f == nullptr) + { throw_spdlog_ex("Failed getting file size. fd is null"); } #if defined(_WIN32) && !defined(__CYGWIN__) int fd = ::_fileno(f); -#if defined(_WIN64) // 64 bits +# if defined(_WIN64) // 64 bits __int64 ret = ::_filelengthi64(fd); - if (ret >= 0) { + if (ret >= 0) + { return static_cast(ret); } -#else // windows 32 bits +# else // windows 32 bits long ret = ::_filelength(fd); - if (ret >= 0) { + if (ret >= 0) + { return static_cast(ret); } -#endif +# endif -#else // unix +#else // unix // OpenBSD and AIX doesn't compile with :: before the fileno(..) -#if defined(__OpenBSD__) || defined(_AIX) +# if defined(__OpenBSD__) || defined(_AIX) int fd = fileno(f); -#else +# else int fd = ::fileno(f); -#endif +# endif // 64 bits(but not in osx, linux/musl or cygwin, where fstat64 is deprecated) -#if ((defined(__linux__) && defined(__GLIBC__)) || defined(__sun) || defined(_AIX)) && (defined(__LP64__) || defined(_LP64)) +# if ((defined(__linux__) && defined(__GLIBC__)) || defined(__sun) || defined(_AIX)) && (defined(__LP64__) || defined(_LP64)) struct stat64 st; - if (::fstat64(fd, &st) == 0) { + if (::fstat64(fd, &st) == 0) + { return static_cast(st.st_size); } -#else // other unix or linux 32 bits or cygwin +# else // other unix or linux 32 bits or cygwin struct stat st; - if (::fstat(fd, &st) == 0) { + if (::fstat(fd, &st) == 0) + { return static_cast(st.st_size); } -#endif +# endif #endif throw_spdlog_ex("Failed getting file size from fd", errno); - return 0; // will not be reached. + return 0; // will not be reached. } #ifdef _MSC_VER -#pragma warning(pop) +# pragma warning(pop) #endif // Return utc offset in minutes or throw spdlog_ex on failure -SPDLOG_INLINE int utc_minutes_offset(const std::tm &tm) { +SPDLOG_INLINE int utc_minutes_offset(const std::tm &tm) +{ #ifdef _WIN32 -#if _WIN32_WINNT < _WIN32_WINNT_WS08 +# if _WIN32_WINNT < _WIN32_WINNT_WS08 TIME_ZONE_INFORMATION tzinfo; auto rv = ::GetTimeZoneInformation(&tzinfo); -#else +# else DYNAMIC_TIME_ZONE_INFORMATION tzinfo; auto rv = ::GetDynamicTimeZoneInformation(&tzinfo); -#endif +# endif if (rv == TIME_ZONE_ID_INVALID) throw_spdlog_ex("Failed getting timezone info. ", errno); int offset = -tzinfo.Bias; - if (tm.tm_isdst) { + if (tm.tm_isdst) + { offset -= tzinfo.DaylightBias; - } else { + } + else + { offset -= tzinfo.StandardBias; } return offset; #else -#if defined(sun) || defined(__sun) || defined(_AIX) || (defined(__NEWLIB__) && !defined(__TM_GMTOFF)) || \ - (!defined(_BSD_SOURCE) && !defined(_GNU_SOURCE)) +# if defined(sun) || defined(__sun) || defined(_AIX) || (defined(__NEWLIB__) && !defined(__TM_GMTOFF)) || \ + (!defined(_BSD_SOURCE) && !defined(_GNU_SOURCE)) // 'tm_gmtoff' field is BSD extension and it's missing on SunOS/Solaris - struct helper { - static long int calculate_gmt_offset(const std::tm &localtm = details::os::localtime(), const std::tm &gmtm = details::os::gmtime()) { + struct helper + { + static long int calculate_gmt_offset(const std::tm &localtm = details::os::localtime(), const std::tm &gmtm = details::os::gmtime()) + { int local_year = localtm.tm_year + (1900 - 1); int gmt_year = gmtm.tm_year + (1900 - 1); @@ -297,9 +323,9 @@ SPDLOG_INLINE int utc_minutes_offset(const std::tm &tm) { }; auto offset_seconds = helper::calculate_gmt_offset(tm); -#else +# else auto offset_seconds = tm.tm_gmtoff; -#endif +# endif return static_cast(offset_seconds / 60); #endif @@ -308,13 +334,14 @@ SPDLOG_INLINE int utc_minutes_offset(const std::tm &tm) { // Return current thread id as size_t // It exists because the std::this_thread::get_id() is much slower(especially // under VS 2013) -SPDLOG_INLINE size_t _thread_id() SPDLOG_NOEXCEPT { +SPDLOG_INLINE size_t _thread_id() SPDLOG_NOEXCEPT +{ #ifdef _WIN32 return static_cast(::GetCurrentThreadId()); #elif defined(__linux__) -#if defined(__ANDROID__) && defined(__ANDROID_API__) && (__ANDROID_API__ < 21) -#define SYS_gettid __NR_gettid -#endif +# if defined(__ANDROID__) && defined(__ANDROID_API__) && (__ANDROID_API__ < 21) +# define SYS_gettid __NR_gettid +# endif return static_cast(::syscall(SYS_gettid)); #elif defined(_AIX) struct __pthrdsinfo buf; @@ -335,28 +362,32 @@ SPDLOG_INLINE size_t _thread_id() SPDLOG_NOEXCEPT { uint64_t tid; // There is no pthread_threadid_np prior to 10.6, and it is not supported on any PPC, // including 10.6.8 Rosetta. __POWERPC__ is Apple-specific define encompassing ppc and ppc64. -#if (MAC_OS_X_VERSION_MAX_ALLOWED < 1060) || defined(__POWERPC__) +# if (MAC_OS_X_VERSION_MAX_ALLOWED < 1060) || defined(__POWERPC__) tid = pthread_mach_thread_np(pthread_self()); -#elif MAC_OS_X_VERSION_MIN_REQUIRED < 1060 - if (&pthread_threadid_np) { +# elif MAC_OS_X_VERSION_MIN_REQUIRED < 1060 + if (&pthread_threadid_np) + { pthread_threadid_np(nullptr, &tid); - } else { + } + else + { tid = pthread_mach_thread_np(pthread_self()); } -#else +# else pthread_threadid_np(nullptr, &tid); -#endif +# endif return static_cast(tid); -#else // Default to standard C++11 (other Unix) +#else // Default to standard C++11 (other Unix) return static_cast(std::hash()(std::this_thread::get_id())); #endif } // Return current thread id as size_t (from thread local storage) -SPDLOG_INLINE size_t thread_id() SPDLOG_NOEXCEPT { +SPDLOG_INLINE size_t thread_id() SPDLOG_NOEXCEPT +{ #if defined(SPDLOG_NO_TLS) return _thread_id(); -#else // cache thread id in tls +#else // cache thread id in tls static thread_local const size_t tid = _thread_id(); return tid; #endif @@ -364,7 +395,8 @@ SPDLOG_INLINE size_t thread_id() SPDLOG_NOEXCEPT { // This is avoid msvc issue in sleep_for that happens if the clock changes. // See https://github.com/gabime/spdlog/issues/609 -SPDLOG_INLINE void sleep_for_millis(unsigned int milliseconds) SPDLOG_NOEXCEPT { +SPDLOG_INLINE void sleep_for_millis(unsigned int milliseconds) SPDLOG_NOEXCEPT +{ #if defined(_WIN32) ::Sleep(milliseconds); #else @@ -374,18 +406,21 @@ SPDLOG_INLINE void sleep_for_millis(unsigned int milliseconds) SPDLOG_NOEXCEPT { // wchar support for windows file names (SPDLOG_WCHAR_FILENAMES must be defined) #if defined(_WIN32) && defined(SPDLOG_WCHAR_FILENAMES) -SPDLOG_INLINE std::string filename_to_str(const filename_t &filename) { +SPDLOG_INLINE std::string filename_to_str(const filename_t &filename) +{ memory_buf_t buf; wstr_to_utf8buf(filename, buf); return SPDLOG_BUF_TO_STRING(buf); } #else -SPDLOG_INLINE std::string filename_to_str(const filename_t &filename) { +SPDLOG_INLINE std::string filename_to_str(const filename_t &filename) +{ return filename; } #endif -SPDLOG_INLINE int pid() SPDLOG_NOEXCEPT { +SPDLOG_INLINE int pid() SPDLOG_NOEXCEPT +{ #ifdef _WIN32 return conditional_static_cast(::GetCurrentProcessId()); @@ -396,22 +431,25 @@ SPDLOG_INLINE int pid() SPDLOG_NOEXCEPT { // Determine if the terminal supports colors // Based on: https://github.com/agauniyal/rang/ -SPDLOG_INLINE bool is_color_terminal() SPDLOG_NOEXCEPT { +SPDLOG_INLINE bool is_color_terminal() SPDLOG_NOEXCEPT +{ #ifdef _WIN32 return true; #else static const bool result = []() { const char *env_colorterm_p = std::getenv("COLORTERM"); - if (env_colorterm_p != nullptr) { + if (env_colorterm_p != nullptr) + { return true; } static constexpr std::array terms = {{"ansi", "color", "console", "cygwin", "gnome", "konsole", "kterm", "linux", - "msys", "putty", "rxvt", "screen", "vt100", "xterm", "alacritty", "vt102"}}; + "msys", "putty", "rxvt", "screen", "vt100", "xterm", "alacritty", "vt102"}}; const char *env_term_p = std::getenv("TERM"); - if (env_term_p == nullptr) { + if (env_term_p == nullptr) + { return false; } @@ -424,7 +462,8 @@ SPDLOG_INLINE bool is_color_terminal() SPDLOG_NOEXCEPT { // Determine if the terminal attached // Source: https://github.com/agauniyal/rang/ -SPDLOG_INLINE bool in_terminal(FILE *file) SPDLOG_NOEXCEPT { +SPDLOG_INLINE bool in_terminal(FILE *file) SPDLOG_NOEXCEPT +{ #ifdef _WIN32 return ::_isatty(_fileno(file)) != 0; @@ -434,27 +473,33 @@ SPDLOG_INLINE bool in_terminal(FILE *file) SPDLOG_NOEXCEPT { } #if (defined(SPDLOG_WCHAR_TO_UTF8_SUPPORT) || defined(SPDLOG_WCHAR_FILENAMES)) && defined(_WIN32) -SPDLOG_INLINE void wstr_to_utf8buf(wstring_view_t wstr, memory_buf_t &target) { - if (wstr.size() > static_cast((std::numeric_limits::max)()) / 2 - 1) { +SPDLOG_INLINE void wstr_to_utf8buf(wstring_view_t wstr, memory_buf_t &target) +{ + if (wstr.size() > static_cast((std::numeric_limits::max)()) / 2 - 1) + { throw_spdlog_ex("UTF-16 string is too big to be converted to UTF-8"); } int wstr_size = static_cast(wstr.size()); - if (wstr_size == 0) { + if (wstr_size == 0) + { target.resize(0); return; } int result_size = static_cast(target.capacity()); - if ((wstr_size + 1) * 2 > result_size) { + if ((wstr_size + 1) * 2 > result_size) + { result_size = ::WideCharToMultiByte(CP_UTF8, 0, wstr.data(), wstr_size, NULL, 0, NULL, NULL); } - if (result_size > 0) { + if (result_size > 0) + { target.resize(result_size); result_size = ::WideCharToMultiByte(CP_UTF8, 0, wstr.data(), wstr_size, target.data(), result_size, NULL, NULL); - if (result_size > 0) { + if (result_size > 0) + { target.resize(result_size); return; } @@ -463,13 +508,16 @@ SPDLOG_INLINE void wstr_to_utf8buf(wstring_view_t wstr, memory_buf_t &target) { throw_spdlog_ex(fmt_lib::format("WideCharToMultiByte failed. Last error: {}", ::GetLastError())); } -SPDLOG_INLINE void utf8_to_wstrbuf(string_view_t str, wmemory_buf_t &target) { - if (str.size() > static_cast((std::numeric_limits::max)()) - 1) { +SPDLOG_INLINE void utf8_to_wstrbuf(string_view_t str, wmemory_buf_t &target) +{ + if (str.size() > static_cast((std::numeric_limits::max)()) - 1) + { throw_spdlog_ex("UTF-8 string is too big to be converted to UTF-16"); } int str_size = static_cast(str.size()); - if (str_size == 0) { + if (str_size == 0) + { target.resize(0); return; } @@ -477,10 +525,12 @@ SPDLOG_INLINE void utf8_to_wstrbuf(string_view_t str, wmemory_buf_t &target) { // find the size to allocate for the result buffer int result_size = ::MultiByteToWideChar(CP_UTF8, MB_ERR_INVALID_CHARS, str.data(), str_size, NULL, 0); - if (result_size > 0) { + if (result_size > 0) + { target.resize(result_size); result_size = ::MultiByteToWideChar(CP_UTF8, MB_ERR_INVALID_CHARS, str.data(), str_size, target.data(), result_size); - if (result_size > 0) { + if (result_size > 0) + { assert(result_size == target.size()); return; } @@ -488,16 +538,17 @@ SPDLOG_INLINE void utf8_to_wstrbuf(string_view_t str, wmemory_buf_t &target) { throw_spdlog_ex(fmt_lib::format("MultiByteToWideChar failed. Last error: {}", ::GetLastError())); } -#endif // (defined(SPDLOG_WCHAR_TO_UTF8_SUPPORT) || defined(SPDLOG_WCHAR_FILENAMES)) && defined(_WIN32) +#endif // (defined(SPDLOG_WCHAR_TO_UTF8_SUPPORT) || defined(SPDLOG_WCHAR_FILENAMES)) && defined(_WIN32) // return true on success -static SPDLOG_INLINE bool mkdir_(const filename_t &path) { +static SPDLOG_INLINE bool mkdir_(const filename_t &path) +{ #ifdef _WIN32 -#ifdef SPDLOG_WCHAR_FILENAMES +# ifdef SPDLOG_WCHAR_FILENAMES return ::_wmkdir(path.c_str()) == 0; -#else +# else return ::_mkdir(path.c_str()) == 0; -#endif +# endif #else return ::mkdir(path.c_str(), mode_t(0755)) == 0; #endif @@ -505,27 +556,33 @@ static SPDLOG_INLINE bool mkdir_(const filename_t &path) { // create the given directory - and all directories leading to it // return true on success or if the directory already exists -SPDLOG_INLINE bool create_dir(const filename_t &path) { - if (path_exists(path)) { +SPDLOG_INLINE bool create_dir(const filename_t &path) +{ + if (path_exists(path)) + { return true; } - if (path.empty()) { + if (path.empty()) + { return false; } size_t search_offset = 0; - do { + do + { auto token_pos = path.find_first_of(folder_seps_filename, search_offset); // treat the entire path as a folder if no folder separator not found - if (token_pos == filename_t::npos) { + if (token_pos == filename_t::npos) + { token_pos = path.size(); } auto subdir = path.substr(0, token_pos); - if (!subdir.empty() && !path_exists(subdir) && !mkdir_(subdir)) { - return false; // return error if failed creating dir + if (!subdir.empty() && !path_exists(subdir) && !mkdir_(subdir)) + { + return false; // return error if failed creating dir } search_offset = token_pos + 1; } while (search_offset < path.size()); @@ -538,23 +595,25 @@ SPDLOG_INLINE bool create_dir(const filename_t &path) { // "abc/" => "abc" // "abc" => "" // "abc///" => "abc//" -SPDLOG_INLINE filename_t dir_name(const filename_t &path) { +SPDLOG_INLINE filename_t dir_name(const filename_t &path) +{ auto pos = path.find_last_of(folder_seps_filename); return pos != filename_t::npos ? path.substr(0, pos) : filename_t{}; } -std::string SPDLOG_INLINE getenv(const char *field) { +std::string SPDLOG_INLINE getenv(const char *field) +{ #if defined(_MSC_VER) -#if defined(__cplusplus_winrt) - return std::string{}; // not supported under uwp -#else +# if defined(__cplusplus_winrt) + return std::string{}; // not supported under uwp +# else size_t len = 0; char buf[128]; bool ok = ::getenv_s(&len, buf, sizeof(buf), field) == 0; return ok ? buf : std::string{}; -#endif -#else // revert to getenv +# endif +#else // revert to getenv char *buf = ::getenv(field); return buf ? buf : std::string{}; #endif @@ -562,7 +621,8 @@ std::string SPDLOG_INLINE getenv(const char *field) { // Do fsync by FILE handlerpointer // Return true on success -SPDLOG_INLINE bool fsync(FILE *fp) { +SPDLOG_INLINE bool fsync(FILE *fp) +{ #ifdef _WIN32 return FlushFileBuffers(reinterpret_cast(_get_osfhandle(_fileno(fp)))) != 0; #else @@ -570,6 +630,6 @@ SPDLOG_INLINE bool fsync(FILE *fp) { #endif } -} // namespace os -} // namespace details -} // namespace spdlog +} // namespace os +} // namespace details +} // namespace spdlog diff --git a/src/spdlog/details/os.h b/src/spdlog/details/os.h index 2c49b3af..37b00874 100644 --- a/src/spdlog/details/os.h +++ b/src/spdlog/details/os.h @@ -4,7 +4,7 @@ #pragma once #include -#include // std::time_t +#include // std::time_t namespace spdlog { namespace details { @@ -22,22 +22,22 @@ SPDLOG_API std::tm gmtime() SPDLOG_NOEXCEPT; // eol definition #if !defined(SPDLOG_EOL) -#ifdef _WIN32 -#define SPDLOG_EOL "\r\n" -#else -#define SPDLOG_EOL "\n" -#endif +# ifdef _WIN32 +# define SPDLOG_EOL "\r\n" +# else +# define SPDLOG_EOL "\n" +# endif #endif SPDLOG_CONSTEXPR static const char *default_eol = SPDLOG_EOL; // folder separator #if !defined(SPDLOG_FOLDER_SEPS) -#ifdef _WIN32 -#define SPDLOG_FOLDER_SEPS "\\/" -#else -#define SPDLOG_FOLDER_SEPS "/" -#endif +# ifdef _WIN32 +# define SPDLOG_FOLDER_SEPS "\\/" +# else +# define SPDLOG_FOLDER_SEPS "/" +# endif #endif SPDLOG_CONSTEXPR static const char folder_seps[] = SPDLOG_FOLDER_SEPS; @@ -113,10 +113,10 @@ SPDLOG_API std::string getenv(const char *field); // Return true on success. SPDLOG_API bool fsync(FILE *fp); -} // namespace os -} // namespace details -} // namespace spdlog +} // namespace os +} // namespace details +} // namespace spdlog #ifdef SPDLOG_HEADER_ONLY -#include "os-inl.h" +# include "os-inl.h" #endif diff --git a/src/spdlog/details/periodic_worker-inl.h b/src/spdlog/details/periodic_worker-inl.h index c12e9e12..520a2b33 100644 --- a/src/spdlog/details/periodic_worker-inl.h +++ b/src/spdlog/details/periodic_worker-inl.h @@ -4,15 +4,17 @@ #pragma once #ifndef SPDLOG_HEADER_ONLY -#include +# include #endif namespace spdlog { namespace details { // stop the worker thread and join it -SPDLOG_INLINE periodic_worker::~periodic_worker() { - if (worker_thread_.joinable()) { +SPDLOG_INLINE periodic_worker::~periodic_worker() +{ + if (worker_thread_.joinable()) + { { std::lock_guard lock(mutex_); active_ = false; @@ -22,5 +24,5 @@ SPDLOG_INLINE periodic_worker::~periodic_worker() { } } -} // namespace details -} // namespace spdlog +} // namespace details +} // namespace spdlog diff --git a/src/spdlog/details/periodic_worker.h b/src/spdlog/details/periodic_worker.h index d7842248..d7d69b28 100644 --- a/src/spdlog/details/periodic_worker.h +++ b/src/spdlog/details/periodic_worker.h @@ -17,20 +17,25 @@ namespace spdlog { namespace details { -class SPDLOG_API periodic_worker { +class SPDLOG_API periodic_worker +{ public: template - periodic_worker(const std::function &callback_fun, std::chrono::duration interval) { + periodic_worker(const std::function &callback_fun, std::chrono::duration interval) + { active_ = (interval > std::chrono::duration::zero()); - if (!active_) { + if (!active_) + { return; } worker_thread_ = std::thread([this, callback_fun, interval]() { - for (;;) { + for (;;) + { std::unique_lock lock(this->mutex_); - if (this->cv_.wait_for(lock, interval, [this] { return !this->active_; })) { - return; // active_ == false, so exit this thread + if (this->cv_.wait_for(lock, interval, [this] { return !this->active_; })) + { + return; // active_ == false, so exit this thread } callback_fun(); } @@ -47,9 +52,9 @@ class SPDLOG_API periodic_worker { std::mutex mutex_; std::condition_variable cv_; }; -} // namespace details -} // namespace spdlog +} // namespace details +} // namespace spdlog #ifdef SPDLOG_HEADER_ONLY -#include "periodic_worker-inl.h" +# include "periodic_worker-inl.h" #endif diff --git a/src/spdlog/details/registry-inl.h b/src/spdlog/details/registry-inl.h index d907c316..cb1fe84f 100644 --- a/src/spdlog/details/registry-inl.h +++ b/src/spdlog/details/registry-inl.h @@ -4,7 +4,7 @@ #pragma once #ifndef SPDLOG_HEADER_ONLY -#include +# include #endif #include @@ -14,12 +14,12 @@ #ifndef SPDLOG_DISABLE_DEFAULT_LOGGER // support for the default stdout color logger -#ifdef _WIN32 -#include -#else -#include -#endif -#endif // SPDLOG_DISABLE_DEFAULT_LOGGER +# ifdef _WIN32 +# include +# else +# include +# endif +#endif // SPDLOG_DISABLE_DEFAULT_LOGGER #include #include @@ -31,35 +31,39 @@ namespace spdlog { namespace details { SPDLOG_INLINE registry::registry() - : formatter_(new pattern_formatter()) { + : formatter_(new pattern_formatter()) +{ #ifndef SPDLOG_DISABLE_DEFAULT_LOGGER // create default logger (ansicolor_stdout_sink_mt or wincolor_stdout_sink_mt in windows). -#ifdef _WIN32 +# ifdef _WIN32 auto color_sink = std::make_shared(); -#else +# else auto color_sink = std::make_shared(); -#endif +# endif const char *default_logger_name = ""; default_logger_ = std::make_shared(default_logger_name, std::move(color_sink)); loggers_[default_logger_name] = default_logger_; -#endif // SPDLOG_DISABLE_DEFAULT_LOGGER +#endif // SPDLOG_DISABLE_DEFAULT_LOGGER } SPDLOG_INLINE registry::~registry() = default; -SPDLOG_INLINE void registry::register_logger(std::shared_ptr new_logger) { +SPDLOG_INLINE void registry::register_logger(std::shared_ptr new_logger) +{ std::lock_guard lock(logger_map_mutex_); register_logger_(std::move(new_logger)); } -SPDLOG_INLINE void registry::initialize_logger(std::shared_ptr new_logger) { +SPDLOG_INLINE void registry::initialize_logger(std::shared_ptr new_logger) +{ std::lock_guard lock(logger_map_mutex_); new_logger->set_formatter(formatter_->clone()); - if (err_handler_) { + if (err_handler_) + { new_logger->set_error_handler(err_handler_); } @@ -70,22 +74,26 @@ SPDLOG_INLINE void registry::initialize_logger(std::shared_ptr new_logge new_logger->flush_on(flush_level_); - if (backtrace_n_messages_ > 0) { + if (backtrace_n_messages_ > 0) + { new_logger->enable_backtrace(backtrace_n_messages_); } - if (automatic_registration_) { + if (automatic_registration_) + { register_logger_(std::move(new_logger)); } } -SPDLOG_INLINE std::shared_ptr registry::get(const std::string &logger_name) { +SPDLOG_INLINE std::shared_ptr registry::get(const std::string &logger_name) +{ std::lock_guard lock(logger_map_mutex_); auto found = loggers_.find(logger_name); return found == loggers_.end() ? nullptr : found->second; } -SPDLOG_INLINE std::shared_ptr registry::default_logger() { +SPDLOG_INLINE std::shared_ptr registry::default_logger() +{ std::lock_guard lock(logger_map_mutex_); return default_logger_; } @@ -94,115 +102,141 @@ SPDLOG_INLINE std::shared_ptr registry::default_logger() { // To be used directly by the spdlog default api (e.g. spdlog::info) // This make the default API faster, but cannot be used concurrently with set_default_logger(). // e.g do not call set_default_logger() from one thread while calling spdlog::info() from another. -SPDLOG_INLINE logger *registry::get_default_raw() { +SPDLOG_INLINE logger *registry::get_default_raw() +{ return default_logger_.get(); } // set default logger. // default logger is stored in default_logger_ (for faster retrieval) and in the loggers_ map. -SPDLOG_INLINE void registry::set_default_logger(std::shared_ptr new_default_logger) { +SPDLOG_INLINE void registry::set_default_logger(std::shared_ptr new_default_logger) +{ std::lock_guard lock(logger_map_mutex_); // remove previous default logger from the map - if (default_logger_ != nullptr) { + if (default_logger_ != nullptr) + { loggers_.erase(default_logger_->name()); } - if (new_default_logger != nullptr) { + if (new_default_logger != nullptr) + { loggers_[new_default_logger->name()] = new_default_logger; } default_logger_ = std::move(new_default_logger); } -SPDLOG_INLINE void registry::set_tp(std::shared_ptr tp) { +SPDLOG_INLINE void registry::set_tp(std::shared_ptr tp) +{ std::lock_guard lock(tp_mutex_); tp_ = std::move(tp); } -SPDLOG_INLINE std::shared_ptr registry::get_tp() { +SPDLOG_INLINE std::shared_ptr registry::get_tp() +{ std::lock_guard lock(tp_mutex_); return tp_; } // Set global formatter. Each sink in each logger will get a clone of this object -SPDLOG_INLINE void registry::set_formatter(std::unique_ptr formatter) { +SPDLOG_INLINE void registry::set_formatter(std::unique_ptr formatter) +{ std::lock_guard lock(logger_map_mutex_); formatter_ = std::move(formatter); - for (auto &l : loggers_) { + for (auto &l : loggers_) + { l.second->set_formatter(formatter_->clone()); } } -SPDLOG_INLINE void registry::enable_backtrace(size_t n_messages) { +SPDLOG_INLINE void registry::enable_backtrace(size_t n_messages) +{ std::lock_guard lock(logger_map_mutex_); backtrace_n_messages_ = n_messages; - for (auto &l : loggers_) { + for (auto &l : loggers_) + { l.second->enable_backtrace(n_messages); } } -SPDLOG_INLINE void registry::disable_backtrace() { +SPDLOG_INLINE void registry::disable_backtrace() +{ std::lock_guard lock(logger_map_mutex_); backtrace_n_messages_ = 0; - for (auto &l : loggers_) { + for (auto &l : loggers_) + { l.second->disable_backtrace(); } } -SPDLOG_INLINE void registry::set_level(level::level_enum log_level) { +SPDLOG_INLINE void registry::set_level(level::level_enum log_level) +{ std::lock_guard lock(logger_map_mutex_); - for (auto &l : loggers_) { + for (auto &l : loggers_) + { l.second->set_level(log_level); } global_log_level_ = log_level; } -SPDLOG_INLINE void registry::flush_on(level::level_enum log_level) { +SPDLOG_INLINE void registry::flush_on(level::level_enum log_level) +{ std::lock_guard lock(logger_map_mutex_); - for (auto &l : loggers_) { + for (auto &l : loggers_) + { l.second->flush_on(log_level); } flush_level_ = log_level; } -SPDLOG_INLINE void registry::set_error_handler(err_handler handler) { +SPDLOG_INLINE void registry::set_error_handler(err_handler handler) +{ std::lock_guard lock(logger_map_mutex_); - for (auto &l : loggers_) { + for (auto &l : loggers_) + { l.second->set_error_handler(handler); } err_handler_ = std::move(handler); } -SPDLOG_INLINE void registry::apply_all(const std::function)> &fun) { +SPDLOG_INLINE void registry::apply_all(const std::function)> &fun) +{ std::lock_guard lock(logger_map_mutex_); - for (auto &l : loggers_) { + for (auto &l : loggers_) + { fun(l.second); } } -SPDLOG_INLINE void registry::flush_all() { +SPDLOG_INLINE void registry::flush_all() +{ std::lock_guard lock(logger_map_mutex_); - for (auto &l : loggers_) { + for (auto &l : loggers_) + { l.second->flush(); } } -SPDLOG_INLINE void registry::drop(const std::string &logger_name) { +SPDLOG_INLINE void registry::drop(const std::string &logger_name) +{ std::lock_guard lock(logger_map_mutex_); auto is_default_logger = default_logger_ && default_logger_->name() == logger_name; loggers_.erase(logger_name); - if (is_default_logger) { + if (is_default_logger) + { default_logger_.reset(); } } -SPDLOG_INLINE void registry::drop_all() { +SPDLOG_INLINE void registry::drop_all() +{ std::lock_guard lock(logger_map_mutex_); loggers_.clear(); default_logger_.reset(); } // clean all resources and threads started by the registry -SPDLOG_INLINE void registry::shutdown() { +SPDLOG_INLINE void registry::shutdown() +{ { std::lock_guard lock(flusher_mutex_); periodic_flusher_.reset(); @@ -216,54 +250,66 @@ SPDLOG_INLINE void registry::shutdown() { } } -SPDLOG_INLINE std::recursive_mutex ®istry::tp_mutex() { +SPDLOG_INLINE std::recursive_mutex ®istry::tp_mutex() +{ return tp_mutex_; } -SPDLOG_INLINE void registry::set_automatic_registration(bool automatic_registration) { +SPDLOG_INLINE void registry::set_automatic_registration(bool automatic_registration) +{ std::lock_guard lock(logger_map_mutex_); automatic_registration_ = automatic_registration; } -SPDLOG_INLINE void registry::set_levels(log_levels levels, level::level_enum *global_level) { +SPDLOG_INLINE void registry::set_levels(log_levels levels, level::level_enum *global_level) +{ std::lock_guard lock(logger_map_mutex_); log_levels_ = std::move(levels); auto global_level_requested = global_level != nullptr; global_log_level_ = global_level_requested ? *global_level : global_log_level_; - for (auto &logger : loggers_) { + for (auto &logger : loggers_) + { auto logger_entry = log_levels_.find(logger.first); - if (logger_entry != log_levels_.end()) { + if (logger_entry != log_levels_.end()) + { logger.second->set_level(logger_entry->second); - } else if (global_level_requested) { + } + else if (global_level_requested) + { logger.second->set_level(*global_level); } } } -SPDLOG_INLINE registry ®istry::instance() { +SPDLOG_INLINE registry ®istry::instance() +{ static registry s_instance; return s_instance; } -SPDLOG_INLINE void registry::apply_logger_env_levels(std::shared_ptr new_logger) { +SPDLOG_INLINE void registry::apply_logger_env_levels(std::shared_ptr new_logger) +{ std::lock_guard lock(logger_map_mutex_); auto it = log_levels_.find(new_logger->name()); auto new_level = it != log_levels_.end() ? it->second : global_log_level_; new_logger->set_level(new_level); } -SPDLOG_INLINE void registry::throw_if_exists_(const std::string &logger_name) { - if (loggers_.find(logger_name) != loggers_.end()) { +SPDLOG_INLINE void registry::throw_if_exists_(const std::string &logger_name) +{ + if (loggers_.find(logger_name) != loggers_.end()) + { throw_spdlog_ex("logger with name '" + logger_name + "' already exists"); } } -SPDLOG_INLINE void registry::register_logger_(std::shared_ptr new_logger) { +SPDLOG_INLINE void registry::register_logger_(std::shared_ptr new_logger) +{ auto logger_name = new_logger->name(); throw_if_exists_(logger_name); loggers_[logger_name] = std::move(new_logger); } -} // namespace details -} // namespace spdlog +} // namespace details +} // namespace spdlog diff --git a/src/spdlog/details/registry.h b/src/spdlog/details/registry.h index 9e857cc5..4666fa29 100644 --- a/src/spdlog/details/registry.h +++ b/src/spdlog/details/registry.h @@ -24,7 +24,8 @@ class logger; namespace details { class thread_pool; -class SPDLOG_API registry { +class SPDLOG_API registry +{ public: using log_levels = std::unordered_map; registry(const registry &) = delete; @@ -61,7 +62,8 @@ class SPDLOG_API registry { void flush_on(level::level_enum log_level); template - void flush_every(std::chrono::duration interval) { + void flush_every(std::chrono::duration interval) + { std::lock_guard lock(flusher_mutex_); auto clbk = [this]() { this->flush_all(); }; periodic_flusher_ = details::make_unique(clbk, interval); @@ -113,9 +115,9 @@ class SPDLOG_API registry { size_t backtrace_n_messages_ = 0; }; -} // namespace details -} // namespace spdlog +} // namespace details +} // namespace spdlog #ifdef SPDLOG_HEADER_ONLY -#include "registry-inl.h" +# include "registry-inl.h" #endif diff --git a/src/spdlog/details/synchronous_factory.h b/src/spdlog/details/synchronous_factory.h index 3f08488b..e1e42268 100644 --- a/src/spdlog/details/synchronous_factory.h +++ b/src/spdlog/details/synchronous_factory.h @@ -10,13 +10,15 @@ namespace spdlog { // Default logger factory- creates synchronous loggers class logger; -struct synchronous_factory { +struct synchronous_factory +{ template - static std::shared_ptr create(std::string logger_name, SinkArgs &&...args) { + static std::shared_ptr create(std::string logger_name, SinkArgs &&...args) + { auto sink = std::make_shared(std::forward(args)...); auto new_logger = std::make_shared(std::move(logger_name), std::move(sink)); details::registry::instance().initialize_logger(new_logger); return new_logger; } }; -} // namespace spdlog +} // namespace spdlog diff --git a/src/spdlog/details/tcp_client-windows.h b/src/spdlog/details/tcp_client-windows.h index 910f8998..968b2570 100644 --- a/src/spdlog/details/tcp_client-windows.h +++ b/src/spdlog/details/tcp_client-windows.h @@ -21,66 +21,79 @@ namespace spdlog { namespace details { -class tcp_client { +class tcp_client +{ SOCKET socket_ = INVALID_SOCKET; - static void init_winsock_() { + static void init_winsock_() + { WSADATA wsaData; auto rv = WSAStartup(MAKEWORD(2, 2), &wsaData); - if (rv != 0) { + if (rv != 0) + { throw_winsock_error_("WSAStartup failed", ::WSAGetLastError()); } } - static void throw_winsock_error_(const std::string &msg, int last_error) { + static void throw_winsock_error_(const std::string &msg, int last_error) + { char buf[512]; ::FormatMessageA(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS, NULL, last_error, - MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), buf, (sizeof(buf) / sizeof(char)), NULL); + MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), buf, (sizeof(buf) / sizeof(char)), NULL); throw_spdlog_ex(fmt_lib::format("tcp_sink - {}: {}", msg, buf)); } public: - tcp_client() { + tcp_client() + { init_winsock_(); } - ~tcp_client() { + ~tcp_client() + { close(); ::WSACleanup(); } - bool is_connected() const { + bool is_connected() const + { return socket_ != INVALID_SOCKET; } - void close() { + void close() + { ::closesocket(socket_); socket_ = INVALID_SOCKET; } - SOCKET fd() const { + SOCKET fd() const + { return socket_; } // try to connect or throw on failure - void connect(const std::string &host, int port) { - if (is_connected()) { + void connect(const std::string &host, int port) + { + if (is_connected()) + { close(); } - struct addrinfo hints {}; + struct addrinfo hints + {}; ZeroMemory(&hints, sizeof(hints)); - hints.ai_family = AF_UNSPEC; // To work with IPv4, IPv6, and so on - hints.ai_socktype = SOCK_STREAM; // TCP - hints.ai_flags = AI_NUMERICSERV; // port passed as as numeric value + hints.ai_family = AF_UNSPEC; // To work with IPv4, IPv6, and so on + hints.ai_socktype = SOCK_STREAM; // TCP + hints.ai_flags = AI_NUMERICSERV; // port passed as as numeric value hints.ai_protocol = 0; auto port_str = std::to_string(port); struct addrinfo *addrinfo_result; auto rv = ::getaddrinfo(host.c_str(), port_str.c_str(), &hints, &addrinfo_result); int last_error = 0; - if (rv != 0) { + if (rv != 0) + { last_error = ::WSAGetLastError(); WSACleanup(); throw_winsock_error_("getaddrinfo failed", last_error); @@ -88,22 +101,28 @@ class tcp_client { // Try each address until we successfully connect(2). - for (auto *rp = addrinfo_result; rp != nullptr; rp = rp->ai_next) { + for (auto *rp = addrinfo_result; rp != nullptr; rp = rp->ai_next) + { socket_ = socket(rp->ai_family, rp->ai_socktype, rp->ai_protocol); - if (socket_ == INVALID_SOCKET) { + if (socket_ == INVALID_SOCKET) + { last_error = ::WSAGetLastError(); WSACleanup(); continue; } - if (::connect(socket_, rp->ai_addr, (int)rp->ai_addrlen) == 0) { + if (::connect(socket_, rp->ai_addr, (int)rp->ai_addrlen) == 0) + { break; - } else { + } + else + { last_error = ::WSAGetLastError(); close(); } } ::freeaddrinfo(addrinfo_result); - if (socket_ == INVALID_SOCKET) { + if (socket_ == INVALID_SOCKET) + { WSACleanup(); throw_winsock_error_("connect failed", last_error); } @@ -115,18 +134,21 @@ class tcp_client { // Send exactly n_bytes of the given data. // On error close the connection and throw. - void send(const char *data, size_t n_bytes) { + void send(const char *data, size_t n_bytes) + { size_t bytes_sent = 0; - while (bytes_sent < n_bytes) { + while (bytes_sent < n_bytes) + { const int send_flags = 0; auto write_result = ::send(socket_, data + bytes_sent, (int)(n_bytes - bytes_sent), send_flags); - if (write_result == SOCKET_ERROR) { + if (write_result == SOCKET_ERROR) + { int last_error = ::WSAGetLastError(); close(); throw_winsock_error_("send failed", last_error); } - if (write_result == 0) // (probably should not happen but in any case..) + if (write_result == 0) // (probably should not happen but in any case..) { break; } @@ -134,5 +156,5 @@ class tcp_client { } } }; -} // namespace details -} // namespace spdlog +} // namespace details +} // namespace spdlog diff --git a/src/spdlog/details/tcp_client.h b/src/spdlog/details/tcp_client.h index 804ad53b..8b11dfd2 100644 --- a/src/spdlog/details/tcp_client.h +++ b/src/spdlog/details/tcp_client.h @@ -4,7 +4,7 @@ #pragma once #ifdef _WIN32 -#error include tcp_client-windows.h instead +# error include tcp_client-windows.h instead #endif // tcp client helper @@ -22,61 +22,73 @@ namespace spdlog { namespace details { -class tcp_client { +class tcp_client +{ int socket_ = -1; public: - bool is_connected() const { + bool is_connected() const + { return socket_ != -1; } - void close() { - if (is_connected()) { + void close() + { + if (is_connected()) + { ::close(socket_); socket_ = -1; } } - int fd() const { + int fd() const + { return socket_; } - ~tcp_client() { + ~tcp_client() + { close(); } // try to connect or throw on failure - void connect(const std::string &host, int port) { + void connect(const std::string &host, int port) + { close(); - struct addrinfo hints {}; + struct addrinfo hints + {}; memset(&hints, 0, sizeof(struct addrinfo)); - hints.ai_family = AF_UNSPEC; // To work with IPv4, IPv6, and so on - hints.ai_socktype = SOCK_STREAM; // TCP - hints.ai_flags = AI_NUMERICSERV; // port passed as as numeric value + hints.ai_family = AF_UNSPEC; // To work with IPv4, IPv6, and so on + hints.ai_socktype = SOCK_STREAM; // TCP + hints.ai_flags = AI_NUMERICSERV; // port passed as as numeric value hints.ai_protocol = 0; auto port_str = std::to_string(port); struct addrinfo *addrinfo_result; auto rv = ::getaddrinfo(host.c_str(), port_str.c_str(), &hints, &addrinfo_result); - if (rv != 0) { + if (rv != 0) + { throw_spdlog_ex(fmt_lib::format("::getaddrinfo failed: {}", gai_strerror(rv))); } // Try each address until we successfully connect(2). int last_errno = 0; - for (auto *rp = addrinfo_result; rp != nullptr; rp = rp->ai_next) { + for (auto *rp = addrinfo_result; rp != nullptr; rp = rp->ai_next) + { #if defined(SOCK_CLOEXEC) const int flags = SOCK_CLOEXEC; #else const int flags = 0; #endif socket_ = ::socket(rp->ai_family, rp->ai_socktype | flags, rp->ai_protocol); - if (socket_ == -1) { + if (socket_ == -1) + { last_errno = errno; continue; } rv = ::connect(socket_, rp->ai_addr, rp->ai_addrlen); - if (rv == 0) { + if (rv == 0) + { break; } last_errno = errno; @@ -84,7 +96,8 @@ class tcp_client { socket_ = -1; } ::freeaddrinfo(addrinfo_result); - if (socket_ == -1) { + if (socket_ == -1) + { throw_spdlog_ex("::connect failed", last_errno); } @@ -98,27 +111,30 @@ class tcp_client { #endif #if !defined(SO_NOSIGPIPE) && !defined(MSG_NOSIGNAL) -#error "tcp_sink would raise SIGPIPE since neither SO_NOSIGPIPE nor MSG_NOSIGNAL are available" +# error "tcp_sink would raise SIGPIPE since neither SO_NOSIGPIPE nor MSG_NOSIGNAL are available" #endif } // Send exactly n_bytes of the given data. // On error close the connection and throw. - void send(const char *data, size_t n_bytes) { + void send(const char *data, size_t n_bytes) + { size_t bytes_sent = 0; - while (bytes_sent < n_bytes) { + while (bytes_sent < n_bytes) + { #if defined(MSG_NOSIGNAL) const int send_flags = MSG_NOSIGNAL; #else const int send_flags = 0; #endif auto write_result = ::send(socket_, data + bytes_sent, n_bytes - bytes_sent, send_flags); - if (write_result < 0) { + if (write_result < 0) + { close(); throw_spdlog_ex("write(2) failed", errno); } - if (write_result == 0) // (probably should not happen but in any case..) + if (write_result == 0) // (probably should not happen but in any case..) { break; } @@ -126,5 +142,5 @@ class tcp_client { } } }; -} // namespace details -} // namespace spdlog +} // namespace details +} // namespace spdlog diff --git a/src/spdlog/details/thread_pool-inl.h b/src/spdlog/details/thread_pool-inl.h index 8a29563d..dbd424ff 100644 --- a/src/spdlog/details/thread_pool-inl.h +++ b/src/spdlog/details/thread_pool-inl.h @@ -4,7 +4,7 @@ #pragma once #ifndef SPDLOG_HEADER_ONLY -#include +# include #endif #include @@ -15,12 +15,15 @@ namespace details { SPDLOG_INLINE thread_pool::thread_pool( size_t q_max_items, size_t threads_n, std::function on_thread_start, std::function on_thread_stop) - : q_(q_max_items) { - if (threads_n == 0 || threads_n > 1000) { + : q_(q_max_items) +{ + if (threads_n == 0 || threads_n > 1000) + { throw_spdlog_ex("spdlog::thread_pool(): invalid threads_n param (valid " "range is 1-1000)"); } - for (size_t i = 0; i < threads_n; i++) { + for (size_t i = 0; i < threads_n; i++) + { threads_.emplace_back([this, on_thread_start, on_thread_stop] { on_thread_start(); this->thread_pool::worker_loop_(); @@ -30,70 +33,85 @@ SPDLOG_INLINE thread_pool::thread_pool( } SPDLOG_INLINE thread_pool::thread_pool(size_t q_max_items, size_t threads_n, std::function on_thread_start) - : thread_pool(q_max_items, threads_n, on_thread_start, [] {}) { -} + : thread_pool(q_max_items, threads_n, on_thread_start, [] {}) +{} SPDLOG_INLINE thread_pool::thread_pool(size_t q_max_items, size_t threads_n) : thread_pool( - q_max_items, threads_n, [] {}, [] {}) { -} + q_max_items, threads_n, [] {}, [] {}) +{} // message all threads to terminate gracefully join them -SPDLOG_INLINE thread_pool::~thread_pool() { - SPDLOG_TRY { - for (size_t i = 0; i < threads_.size(); i++) { +SPDLOG_INLINE thread_pool::~thread_pool() +{ + SPDLOG_TRY + { + for (size_t i = 0; i < threads_.size(); i++) + { post_async_msg_(async_msg(async_msg_type::terminate), async_overflow_policy::block); } - for (auto &t : threads_) { + for (auto &t : threads_) + { t.join(); } } SPDLOG_CATCH_STD } -void SPDLOG_INLINE thread_pool::post_log(async_logger_ptr &&worker_ptr, const details::log_msg &msg, async_overflow_policy overflow_policy) { +void SPDLOG_INLINE thread_pool::post_log(async_logger_ptr &&worker_ptr, const details::log_msg &msg, async_overflow_policy overflow_policy) +{ async_msg async_m(std::move(worker_ptr), async_msg_type::log, msg); post_async_msg_(std::move(async_m), overflow_policy); } -void SPDLOG_INLINE thread_pool::post_flush(async_logger_ptr &&worker_ptr, async_overflow_policy overflow_policy) { +void SPDLOG_INLINE thread_pool::post_flush(async_logger_ptr &&worker_ptr, async_overflow_policy overflow_policy) +{ post_async_msg_(async_msg(std::move(worker_ptr), async_msg_type::flush), overflow_policy); } -size_t SPDLOG_INLINE thread_pool::overrun_counter() { +size_t SPDLOG_INLINE thread_pool::overrun_counter() +{ return q_.overrun_counter(); } -void SPDLOG_INLINE thread_pool::reset_overrun_counter() { +void SPDLOG_INLINE thread_pool::reset_overrun_counter() +{ q_.reset_overrun_counter(); } -size_t SPDLOG_INLINE thread_pool::queue_size() { +size_t SPDLOG_INLINE thread_pool::queue_size() +{ return q_.size(); } -void SPDLOG_INLINE thread_pool::post_async_msg_(async_msg &&new_msg, async_overflow_policy overflow_policy) { - if (overflow_policy == async_overflow_policy::block) { +void SPDLOG_INLINE thread_pool::post_async_msg_(async_msg &&new_msg, async_overflow_policy overflow_policy) +{ + if (overflow_policy == async_overflow_policy::block) + { q_.enqueue(std::move(new_msg)); - } else { + } + else + { q_.enqueue_nowait(std::move(new_msg)); } } -void SPDLOG_INLINE thread_pool::worker_loop_() { - while (process_next_msg_()) { - } +void SPDLOG_INLINE thread_pool::worker_loop_() +{ + while (process_next_msg_()) {} } // process next message in the queue // return true if this thread should still be active (while no terminate msg // was received) -bool SPDLOG_INLINE thread_pool::process_next_msg_() { +bool SPDLOG_INLINE thread_pool::process_next_msg_() +{ async_msg incoming_async_msg; q_.dequeue(incoming_async_msg); - switch (incoming_async_msg.msg_type) { + switch (incoming_async_msg.msg_type) + { case async_msg_type::log: { incoming_async_msg.worker_ptr->backend_sink_it_(incoming_async_msg); return true; @@ -115,5 +133,5 @@ bool SPDLOG_INLINE thread_pool::process_next_msg_() { return true; } -} // namespace details -} // namespace spdlog +} // namespace details +} // namespace spdlog diff --git a/src/spdlog/details/thread_pool.h b/src/spdlog/details/thread_pool.h index 2f26871a..52c569b8 100644 --- a/src/spdlog/details/thread_pool.h +++ b/src/spdlog/details/thread_pool.h @@ -20,7 +20,8 @@ namespace details { using async_logger_ptr = std::shared_ptr; -enum class async_msg_type { +enum class async_msg_type +{ log, flush, terminate @@ -28,7 +29,8 @@ enum class async_msg_type { // Async msg to move to/from the queue // Movable only. should never be copied -struct async_msg : log_msg_buffer { +struct async_msg : log_msg_buffer +{ async_msg_type msg_type{async_msg_type::log}; async_logger_ptr worker_ptr; @@ -41,35 +43,43 @@ struct async_msg : log_msg_buffer { // support for vs2013 move #if defined(_MSC_VER) && _MSC_VER <= 1800 async_msg(async_msg &&other) - : log_msg_buffer(std::move(other)), msg_type(other.msg_type), worker_ptr(std::move(other.worker_ptr)) { - } + : log_msg_buffer(std::move(other)) + , msg_type(other.msg_type) + , worker_ptr(std::move(other.worker_ptr)) + {} - async_msg &operator=(async_msg &&other) { + async_msg &operator=(async_msg &&other) + { *static_cast(this) = std::move(other); msg_type = other.msg_type; worker_ptr = std::move(other.worker_ptr); return *this; } -#else // (_MSC_VER) && _MSC_VER <= 1800 +#else // (_MSC_VER) && _MSC_VER <= 1800 async_msg(async_msg &&) = default; async_msg &operator=(async_msg &&) = default; #endif // construct from log_msg with given type async_msg(async_logger_ptr &&worker, async_msg_type the_type, const details::log_msg &m) - : log_msg_buffer{m}, msg_type{the_type}, worker_ptr{std::move(worker)} { - } + : log_msg_buffer{m} + , msg_type{the_type} + , worker_ptr{std::move(worker)} + {} async_msg(async_logger_ptr &&worker, async_msg_type the_type) - : log_msg_buffer{}, msg_type{the_type}, worker_ptr{std::move(worker)} { - } + : log_msg_buffer{} + , msg_type{the_type} + , worker_ptr{std::move(worker)} + {} explicit async_msg(async_msg_type the_type) - : async_msg{nullptr, the_type} { - } + : async_msg{nullptr, the_type} + {} }; -class SPDLOG_API thread_pool { +class SPDLOG_API thread_pool +{ public: using item_type = async_msg; using q_type = details::mpmc_blocking_queue; @@ -104,9 +114,9 @@ class SPDLOG_API thread_pool { bool process_next_msg_(); }; -} // namespace details -} // namespace spdlog +} // namespace details +} // namespace spdlog #ifdef SPDLOG_HEADER_ONLY -#include "thread_pool-inl.h" +# include "thread_pool-inl.h" #endif diff --git a/src/spdlog/details/udp_client-windows.h b/src/spdlog/details/udp_client-windows.h index 850fdf6d..10894ee6 100644 --- a/src/spdlog/details/udp_client-windows.h +++ b/src/spdlog/details/udp_client-windows.h @@ -16,36 +16,42 @@ #include #if defined(_MSC_VER) -#pragma comment(lib, "Ws2_32.lib") -#pragma comment(lib, "Mswsock.lib") -#pragma comment(lib, "AdvApi32.lib") +# pragma comment(lib, "Ws2_32.lib") +# pragma comment(lib, "Mswsock.lib") +# pragma comment(lib, "AdvApi32.lib") #endif namespace spdlog { namespace details { -class udp_client { +class udp_client +{ static constexpr int TX_BUFFER_SIZE = 1024 * 10; SOCKET socket_ = INVALID_SOCKET; sockaddr_in addr_ = {}; - static void init_winsock_() { + static void init_winsock_() + { WSADATA wsaData; auto rv = ::WSAStartup(MAKEWORD(2, 2), &wsaData); - if (rv != 0) { + if (rv != 0) + { throw_winsock_error_("WSAStartup failed", ::WSAGetLastError()); } } - static void throw_winsock_error_(const std::string &msg, int last_error) { + static void throw_winsock_error_(const std::string &msg, int last_error) + { char buf[512]; ::FormatMessageA(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS, NULL, last_error, - MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), buf, (sizeof(buf) / sizeof(char)), NULL); + MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), buf, (sizeof(buf) / sizeof(char)), NULL); throw_spdlog_ex(fmt_lib::format("udp_sink - {}: {}", msg, buf)); } - void cleanup_() { - if (socket_ != INVALID_SOCKET) { + void cleanup_() + { + if (socket_ != INVALID_SOCKET) + { ::closesocket(socket_); } socket_ = INVALID_SOCKET; @@ -53,47 +59,55 @@ class udp_client { } public: - udp_client(const std::string &host, uint16_t port) { + udp_client(const std::string &host, uint16_t port) + { init_winsock_(); addr_.sin_family = PF_INET; addr_.sin_port = htons(port); addr_.sin_addr.s_addr = INADDR_ANY; - if (InetPtonA(PF_INET, host.c_str(), &addr_.sin_addr.s_addr) != 1) { + if (InetPtonA(PF_INET, host.c_str(), &addr_.sin_addr.s_addr) != 1) + { int last_error = ::WSAGetLastError(); ::WSACleanup(); throw_winsock_error_("error: Invalid address!", last_error); } socket_ = ::socket(PF_INET, SOCK_DGRAM, 0); - if (socket_ == INVALID_SOCKET) { + if (socket_ == INVALID_SOCKET) + { int last_error = ::WSAGetLastError(); ::WSACleanup(); throw_winsock_error_("error: Create Socket failed", last_error); } int option_value = TX_BUFFER_SIZE; - if (::setsockopt(socket_, SOL_SOCKET, SO_SNDBUF, reinterpret_cast(&option_value), sizeof(option_value)) < 0) { + if (::setsockopt(socket_, SOL_SOCKET, SO_SNDBUF, reinterpret_cast(&option_value), sizeof(option_value)) < 0) + { int last_error = ::WSAGetLastError(); cleanup_(); throw_winsock_error_("error: setsockopt(SO_SNDBUF) Failed!", last_error); } } - ~udp_client() { + ~udp_client() + { cleanup_(); } - SOCKET fd() const { + SOCKET fd() const + { return socket_; } - void send(const char *data, size_t n_bytes) { + void send(const char *data, size_t n_bytes) + { socklen_t tolen = sizeof(struct sockaddr); - if (::sendto(socket_, data, static_cast(n_bytes), 0, (struct sockaddr *)&addr_, tolen) == -1) { + if (::sendto(socket_, data, static_cast(n_bytes), 0, (struct sockaddr *)&addr_, tolen) == -1) + { throw_spdlog_ex("sendto(2) failed", errno); } } }; -} // namespace details -} // namespace spdlog +} // namespace details +} // namespace spdlog diff --git a/src/spdlog/details/udp_client.h b/src/spdlog/details/udp_client.h index ce4e6885..e8c2cccf 100644 --- a/src/spdlog/details/udp_client.h +++ b/src/spdlog/details/udp_client.h @@ -7,7 +7,7 @@ // Will throw on construction if the socket creation failed. #ifdef _WIN32 -#error "include udp_client-windows.h instead" +# error "include udp_client-windows.h instead" #endif #include @@ -25,27 +25,33 @@ namespace spdlog { namespace details { -class udp_client { +class udp_client +{ static constexpr int TX_BUFFER_SIZE = 1024 * 10; int socket_ = -1; struct sockaddr_in sockAddr_; - void cleanup_() { - if (socket_ != -1) { + void cleanup_() + { + if (socket_ != -1) + { ::close(socket_); socket_ = -1; } } public: - udp_client(const std::string &host, uint16_t port) { + udp_client(const std::string &host, uint16_t port) + { socket_ = ::socket(PF_INET, SOCK_DGRAM, 0); - if (socket_ < 0) { + if (socket_ < 0) + { throw_spdlog_ex("error: Create Socket Failed!"); } int option_value = TX_BUFFER_SIZE; - if (::setsockopt(socket_, SOL_SOCKET, SO_SNDBUF, reinterpret_cast(&option_value), sizeof(option_value)) < 0) { + if (::setsockopt(socket_, SOL_SOCKET, SO_SNDBUF, reinterpret_cast(&option_value), sizeof(option_value)) < 0) + { cleanup_(); throw_spdlog_ex("error: setsockopt(SO_SNDBUF) Failed!"); } @@ -53,7 +59,8 @@ class udp_client { sockAddr_.sin_family = AF_INET; sockAddr_.sin_port = htons(port); - if (::inet_aton(host.c_str(), &sockAddr_.sin_addr) == 0) { + if (::inet_aton(host.c_str(), &sockAddr_.sin_addr) == 0) + { cleanup_(); throw_spdlog_ex("error: Invalid address!"); } @@ -61,23 +68,27 @@ class udp_client { ::memset(sockAddr_.sin_zero, 0x00, sizeof(sockAddr_.sin_zero)); } - ~udp_client() { + ~udp_client() + { cleanup_(); } - int fd() const { + int fd() const + { return socket_; } // Send exactly n_bytes of the given data. // On error close the connection and throw. - void send(const char *data, size_t n_bytes) { + void send(const char *data, size_t n_bytes) + { ssize_t toslen = 0; socklen_t tolen = sizeof(struct sockaddr); - if ((toslen = ::sendto(socket_, data, n_bytes, 0, (struct sockaddr *)&sockAddr_, tolen)) == -1) { + if ((toslen = ::sendto(socket_, data, n_bytes, 0, (struct sockaddr *)&sockAddr_, tolen)) == -1) + { throw_spdlog_ex("sendto(2) failed", errno); } } }; -} // namespace details -} // namespace spdlog +} // namespace details +} // namespace spdlog diff --git a/src/spdlog/details/windows_include.h b/src/spdlog/details/windows_include.h index 10e04fc4..a92390b9 100644 --- a/src/spdlog/details/windows_include.h +++ b/src/spdlog/details/windows_include.h @@ -1,11 +1,11 @@ #pragma once #ifndef NOMINMAX -#define NOMINMAX // prevent windows redefining min/max +# define NOMINMAX // prevent windows redefining min/max #endif #ifndef WIN32_LEAN_AND_MEAN -#define WIN32_LEAN_AND_MEAN +# define WIN32_LEAN_AND_MEAN #endif #include diff --git a/src/spdlog/fmt/bin_to_hex.h b/src/spdlog/fmt/bin_to_hex.h index dbb2ca43..3bf003d4 100644 --- a/src/spdlog/fmt/bin_to_hex.h +++ b/src/spdlog/fmt/bin_to_hex.h @@ -9,13 +9,13 @@ #include #if defined(__has_include) -#if __has_include() -#include -#endif +# if __has_include() +# include +# endif #endif #if __cpp_lib_span >= 202002L -#include +# include #endif // @@ -40,20 +40,26 @@ namespace spdlog { namespace details { template -class dump_info { +class dump_info +{ public: dump_info(It range_begin, It range_end, size_t size_per_line) - : begin_(range_begin), end_(range_end), size_per_line_(size_per_line) { - } + : begin_(range_begin) + , end_(range_end) + , size_per_line_(size_per_line) + {} // do not use begin() and end() to avoid collision with fmt/ranges - It get_begin() const { + It get_begin() const + { return begin_; } - It get_end() const { + It get_end() const + { return end_; } - size_t size_per_line() const { + size_t size_per_line() const + { return size_per_line_; } @@ -61,11 +67,12 @@ class dump_info { It begin_, end_; size_t size_per_line_; }; -} // namespace details +} // namespace details // create a dump_info that wraps the given container template -inline details::dump_info to_hex(const Container &container, size_t size_per_line = 32) { +inline details::dump_info to_hex(const Container &container, size_t size_per_line = 32) +{ static_assert(sizeof(typename Container::value_type) == 1, "sizeof(Container::value_type) != 1"); using Iter = typename Container::const_iterator; return details::dump_info(std::begin(container), std::end(container), size_per_line); @@ -75,7 +82,8 @@ inline details::dump_info to_hex(const Conta template inline details::dump_info::iterator> to_hex( - const std::span &container, size_t size_per_line = 32) { + const std::span &container, size_t size_per_line = 32) +{ using Container = std::span; static_assert(sizeof(typename Container::value_type) == 1, "sizeof(Container::value_type) != 1"); using Iter = typename Container::iterator; @@ -86,11 +94,12 @@ inline details::dump_info::iterator> to_hex( // create dump_info from ranges template -inline details::dump_info to_hex(const It range_begin, const It range_end, size_t size_per_line = 32) { +inline details::dump_info to_hex(const It range_begin, const It range_end, size_t size_per_line = 32) +{ return details::dump_info(range_begin, range_end, size_per_line); } -} // namespace spdlog +} // namespace spdlog namespace #ifdef SPDLOG_USE_STD_FORMAT @@ -101,20 +110,24 @@ namespace { template -struct formatter, char> { +struct formatter, char> +{ const char delimiter = ' '; bool put_newlines = true; bool put_delimiters = true; bool use_uppercase = false; - bool put_positions = true; // position on start of each line + bool put_positions = true; // position on start of each line bool show_ascii = false; // parse the format string flags template - SPDLOG_CONSTEXPR_FUNC auto parse(ParseContext &ctx) -> decltype(ctx.begin()) { + SPDLOG_CONSTEXPR_FUNC auto parse(ParseContext &ctx) -> decltype(ctx.begin()) + { auto it = ctx.begin(); - while (it != ctx.end() && *it != '}') { - switch (*it) { + while (it != ctx.end() && *it != '}') + { + switch (*it) + { case 'X': use_uppercase = true; break; @@ -129,7 +142,8 @@ struct formatter, char> { show_ascii = false; break; case 'a': - if (put_newlines) { + if (put_newlines) + { show_ascii = true; } break; @@ -142,7 +156,8 @@ struct formatter, char> { // format the given bytes range as hex template - auto format(const spdlog::details::dump_info &the_range, FormatContext &ctx) const -> decltype(ctx.out()) { + auto format(const spdlog::details::dump_info &the_range, FormatContext &ctx) const -> decltype(ctx.out()) + { SPDLOG_CONSTEXPR const char *hex_upper = "0123456789ABCDEF"; SPDLOG_CONSTEXPR const char *hex_lower = "0123456789abcdef"; const char *hex_chars = use_uppercase ? hex_upper : hex_lower; @@ -155,14 +170,18 @@ struct formatter, char> { int size_per_line = static_cast(the_range.size_per_line()); auto start_of_line = the_range.get_begin(); - for (auto i = the_range.get_begin(); i != the_range.get_end(); i++) { + for (auto i = the_range.get_begin(); i != the_range.get_end(); i++) + { auto ch = static_cast(*i); - if (put_newlines && (i == the_range.get_begin() || i - start_of_line >= size_per_line)) { - if (show_ascii && i != the_range.get_begin()) { + if (put_newlines && (i == the_range.get_begin() || i - start_of_line >= size_per_line)) + { + if (show_ascii && i != the_range.get_begin()) + { *inserter++ = delimiter; *inserter++ = delimiter; - for (auto j = start_of_line; j < i; j++) { + for (auto j = start_of_line; j < i; j++) + { auto pc = static_cast(*j); *inserter++ = std::isprint(pc) ? static_cast(*j) : '.'; } @@ -177,28 +196,33 @@ struct formatter, char> { continue; } - if (put_delimiters && i != the_range.get_begin()) { + if (put_delimiters && i != the_range.get_begin()) + { *inserter++ = delimiter; } *inserter++ = hex_chars[(ch >> 4) & 0x0f]; *inserter++ = hex_chars[ch & 0x0f]; } - if (show_ascii) // add ascii to last line + if (show_ascii) // add ascii to last line { - if (the_range.get_end() - the_range.get_begin() > size_per_line) { + if (the_range.get_end() - the_range.get_begin() > size_per_line) + { auto blank_num = size_per_line - (the_range.get_end() - start_of_line); - while (blank_num-- > 0) { + while (blank_num-- > 0) + { *inserter++ = delimiter; *inserter++ = delimiter; - if (put_delimiters) { + if (put_delimiters) + { *inserter++ = delimiter; } } } *inserter++ = delimiter; *inserter++ = delimiter; - for (auto j = start_of_line; j != the_range.get_end(); j++) { + for (auto j = start_of_line; j != the_range.get_end(); j++) + { auto pc = static_cast(*j); *inserter++ = std::isprint(pc) ? static_cast(*j) : '.'; } @@ -208,15 +232,17 @@ struct formatter, char> { // put newline(and position header) template - void put_newline(It inserter, std::size_t pos) const { + void put_newline(It inserter, std::size_t pos) const + { #ifdef _WIN32 *inserter++ = '\r'; #endif *inserter++ = '\n'; - if (put_positions) { + if (put_positions) + { spdlog::fmt_lib::format_to(inserter, SPDLOG_FMT_STRING("{:04X}: "), pos); } } }; -} // namespace std +} // namespace std diff --git a/src/spdlog/fmt/bundled/args.h b/src/spdlog/fmt/bundled/args.h index f0b504e7..a3966d14 100644 --- a/src/spdlog/fmt/bundled/args.h +++ b/src/spdlog/fmt/bundled/args.h @@ -18,56 +18,45 @@ FMT_BEGIN_NAMESPACE namespace detail { -template -struct is_reference_wrapper : std::false_type {}; -template +template struct is_reference_wrapper : std::false_type {}; +template struct is_reference_wrapper> : std::true_type {}; -template -const T &unwrap(const T &v) { - return v; -} -template -const T &unwrap(const std::reference_wrapper &v) { - return static_cast(v); +template const T& unwrap(const T& v) { return v; } +template const T& unwrap(const std::reference_wrapper& v) { + return static_cast(v); } 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 new_node = std::unique_ptr>(new typed_node(arg)); - auto &value = new_node->value; - new_node->next = std::move(head_); - head_ = std::move(new_node); - return value; - } + // 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 new_node = std::unique_ptr>(new typed_node(arg)); + auto& value = new_node->value; + new_node->next = std::move(head_); + head_ = std::move(new_node); + return value; + } }; } // namespace detail @@ -81,165 +70,163 @@ class dynamic_arg_list { into type-erased formatting functions such as `~fmt::vformat`. \endrst */ -template +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 detail::type mapped_type = - detail::mapped_type_constant::value; - - enum { - value = !(detail::is_reference_wrapper::value || - std::is_same>::value || - std::is_same>::value || - (mapped_type != detail::type::cstring_type && - mapped_type != detail::type::string_type && - mapped_type != detail::type::custom_type)) - }; + private: + using char_type = typename Context::char_type; + + template struct need_copy { + static constexpr detail::type mapped_type = + detail::mapped_type_constant::value; + + enum { + value = !(detail::is_reference_wrapper::value || + std::is_same>::value || + std::is_same>::value || + (mapped_type != detail::type::cstring_type && + mapped_type != detail::type::string_type && + mapped_type != detail::type::custom_type)) }; - - template - using stored_type = conditional_t< - std::is_convertible>::value && - !detail::is_reference_wrapper::value, - std::basic_string, T>; - - // Storage of basic_format_arg must be contiguous. - std::vector> data_; - std::vector> named_info_; - - // Storage of arguments not fitting into basic_format_arg must grow - // without relocation because items in data_ refer to it. - detail::dynamic_arg_list dynamic_args_; - - friend class basic_format_args; - - unsigned long long get_types() const { - return detail::is_unpacked_bit | data_.size() | - (named_info_.empty() ? 0ULL : static_cast(detail::has_named_args_bit)); - } - - const basic_format_arg *data() const { - return named_info_.empty() ? data_.data() : data_.data() + 1; - } - - template - void emplace_arg(const T &arg) { - data_.emplace_back(detail::make_arg(arg)); - } - - template - void emplace_arg(const detail::named_arg &arg) { - if (named_info_.empty()) { - constexpr const detail::named_arg_info *zero_ptr{nullptr}; - data_.insert(data_.begin(), {zero_ptr, 0}); - } - data_.emplace_back(detail::make_arg(detail::unwrap(arg.value))); - auto pop_one = [](std::vector> *data) { - data->pop_back(); - }; - std::unique_ptr>, decltype(pop_one)> - guard{&data_, pop_one}; - named_info_.push_back({arg.name, static_cast(data_.size() - 2u)}); - data_[0].value_.named_args = {named_info_.data(), named_info_.size()}; - guard.release(); - } - -public: - constexpr dynamic_format_arg_store() = default; - - /** - \rst - Adds an argument into the dynamic store for later passing to a formatting - function. - - Note that custom types and string types (but not string views) are copied - into the store dynamically allocating memory if necessary. - - **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) { - if (detail::const_check(need_copy::value)) - emplace_arg(dynamic_args_.push>(arg)); - else - emplace_arg(detail::unwrap(arg)); + }; + + template + using stored_type = conditional_t< + std::is_convertible>::value && + !detail::is_reference_wrapper::value, + std::basic_string, T>; + + // Storage of basic_format_arg must be contiguous. + std::vector> data_; + std::vector> named_info_; + + // Storage of arguments not fitting into basic_format_arg must grow + // without relocation because items in data_ refer to it. + detail::dynamic_arg_list dynamic_args_; + + friend class basic_format_args; + + unsigned long long get_types() const { + return detail::is_unpacked_bit | data_.size() | + (named_info_.empty() + ? 0ULL + : static_cast(detail::has_named_args_bit)); + } + + const basic_format_arg* data() const { + return named_info_.empty() ? data_.data() : data_.data() + 1; + } + + template void emplace_arg(const T& arg) { + data_.emplace_back(detail::make_arg(arg)); + } + + template + void emplace_arg(const detail::named_arg& arg) { + if (named_info_.empty()) { + constexpr const detail::named_arg_info* zero_ptr{nullptr}; + data_.insert(data_.begin(), {zero_ptr, 0}); } - - /** - \rst - Adds a reference to the argument into the dynamic store for later passing to - a formatting function. - - **Example**:: - - fmt::dynamic_format_arg_store store; - char band[] = "Rolling Stones"; - store.push_back(std::cref(band)); - band[9] = 'c'; // Changing str affects the output. - std::string result = fmt::vformat("{}", store); - // result == "Rolling Scones" - \endrst - */ - 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()); - } - - /** - Adds named argument into the dynamic store for later passing to a formatting - function. ``std::reference_wrapper`` is supported to avoid copying of the - argument. The name is always copied into the store. - */ - template - void push_back(const detail::named_arg &arg) { - const char_type *arg_name = - dynamic_args_.push>(arg.name).c_str(); - if (detail::const_check(need_copy::value)) { - emplace_arg( - fmt::arg(arg_name, dynamic_args_.push>(arg.value))); - } else { - emplace_arg(fmt::arg(arg_name, arg.value)); - } - } - - /** Erase all elements from the store */ - void clear() { - data_.clear(); - named_info_.clear(); - dynamic_args_ = detail::dynamic_arg_list(); - } - - /** - \rst - Reserves space to store at least *new_cap* arguments including - *new_cap_named* named arguments. - \endrst - */ - void reserve(size_t new_cap, size_t new_cap_named) { - FMT_ASSERT(new_cap >= new_cap_named, - "Set of arguments includes set of named arguments"); - data_.reserve(new_cap); - named_info_.reserve(new_cap_named); + data_.emplace_back(detail::make_arg(detail::unwrap(arg.value))); + auto pop_one = [](std::vector>* data) { + data->pop_back(); + }; + std::unique_ptr>, decltype(pop_one)> + guard{&data_, pop_one}; + named_info_.push_back({arg.name, static_cast(data_.size() - 2u)}); + data_[0].value_.named_args = {named_info_.data(), named_info_.size()}; + guard.release(); + } + + public: + constexpr dynamic_format_arg_store() = default; + + /** + \rst + Adds an argument into the dynamic store for later passing to a formatting + function. + + Note that custom types and string types (but not string views) are copied + into the store dynamically allocating memory if necessary. + + **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) { + if (detail::const_check(need_copy::value)) + emplace_arg(dynamic_args_.push>(arg)); + else + emplace_arg(detail::unwrap(arg)); + } + + /** + \rst + Adds a reference to the argument into the dynamic store for later passing to + a formatting function. + + **Example**:: + + fmt::dynamic_format_arg_store store; + char band[] = "Rolling Stones"; + store.push_back(std::cref(band)); + band[9] = 'c'; // Changing str affects the output. + std::string result = fmt::vformat("{}", store); + // result == "Rolling Scones" + \endrst + */ + 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()); + } + + /** + Adds named argument into the dynamic store for later passing to a formatting + function. ``std::reference_wrapper`` is supported to avoid copying of the + argument. The name is always copied into the store. + */ + template + void push_back(const detail::named_arg& arg) { + const char_type* arg_name = + dynamic_args_.push>(arg.name).c_str(); + if (detail::const_check(need_copy::value)) { + emplace_arg( + fmt::arg(arg_name, dynamic_args_.push>(arg.value))); + } else { + emplace_arg(fmt::arg(arg_name, arg.value)); } + } + + /** Erase all elements from the store */ + void clear() { + data_.clear(); + named_info_.clear(); + dynamic_args_ = detail::dynamic_arg_list(); + } + + /** + \rst + Reserves space to store at least *new_cap* arguments including + *new_cap_named* named arguments. + \endrst + */ + void reserve(size_t new_cap, size_t new_cap_named) { + FMT_ASSERT(new_cap >= new_cap_named, + "Set of arguments includes set of named arguments"); + data_.reserve(new_cap); + named_info_.reserve(new_cap_named); + } }; FMT_END_NAMESPACE diff --git a/src/spdlog/fmt/bundled/chrono.h b/src/spdlog/fmt/bundled/chrono.h index 3176cf1d..b112f76e 100644 --- a/src/spdlog/fmt/bundled/chrono.h +++ b/src/spdlog/fmt/bundled/chrono.h @@ -25,20 +25,20 @@ FMT_BEGIN_NAMESPACE // Enable tzset. #ifndef FMT_USE_TZSET // UWP doesn't provide _tzset. -#if FMT_HAS_INCLUDE("winapifamily.h") -#include -#endif -#if defined(_WIN32) && (!defined(WINAPI_FAMILY) || \ - (WINAPI_FAMILY == WINAPI_FAMILY_DESKTOP_APP)) -#define FMT_USE_TZSET 1 -#else -#define FMT_USE_TZSET 0 -#endif +# if FMT_HAS_INCLUDE("winapifamily.h") +# include +# endif +# if defined(_WIN32) && (!defined(WINAPI_FAMILY) || \ + (WINAPI_FAMILY == WINAPI_FAMILY_DESKTOP_APP)) +# define FMT_USE_TZSET 1 +# else +# define FMT_USE_TZSET 0 +# endif #endif // Enable safe chrono durations, unless explicitly disabled. #ifndef FMT_SAFE_DURATION_CAST -#define FMT_SAFE_DURATION_CAST 1 +# define FMT_SAFE_DURATION_CAST 1 #endif #if FMT_SAFE_DURATION_CAST @@ -50,74 +50,74 @@ FMT_BEGIN_NAMESPACE // 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 (detail::const_check(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); +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 (detail::const_check(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 (detail::const_check(F::is_signed && !T::is_signed)) { - // From may be negative, not allowed! - if (fmt::detail::is_negative(from)) { - ec = 1; - return {}; - } - // From is positive. Can it always fit in To? - if (detail::const_check(F::digits > T::digits) && - from > static_cast(detail::max_value())) { - ec = 1; - return {}; - } - } - - if (detail::const_check(!F::is_signed && T::is_signed && - F::digits >= T::digits) && +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 (detail::const_check(F::is_signed && !T::is_signed)) { + // From may be negative, not allowed! + if (fmt::detail::is_negative(from)) { + ec = 1; + return {}; + } + // From is positive. Can it always fit in To? + if (detail::const_check(F::digits > T::digits) && from > static_cast(detail::max_value())) { - ec = 1; - return {}; - } - return static_cast(from); // Lossless conversion. + ec = 1; + return {}; + } + } + + if (detail::const_check(!F::is_signed && T::is_signed && + F::digits >= T::digits) && + from > static_cast(detail::max_value())) { + ec = 1; + return {}; + } + return static_cast(from); // Lossless conversion. } -template::value)> -FMT_CONSTEXPR To lossless_integral_conversion(const From from, int &ec) { - ec = 0; - return from; +template ::value)> +FMT_CONSTEXPR To lossless_integral_conversion(const From from, int& ec) { + ec = 0; + return from; } // function // clang-format off @@ -134,164 +134,164 @@ FMT_CONSTEXPR To lossless_integral_conversion(const From from, int &ec) { * -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); +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; +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)> +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 (detail::const_check(Factor::num != 1)) { - const auto max1 = detail::max_value() / Factor::num; - if (count > max1) { - ec = 1; - return {}; - } - const auto min1 = - (std::numeric_limits::min)() / Factor::num; - if (!std::is_unsigned::value && count < min1) { - ec = 1; - return {}; - } - count *= Factor::num; - } - - if (detail::const_check(Factor::den != 1)) count /= Factor::den; - auto tocount = lossless_integral_conversion(count, ec); - return ec ? To() : To(tocount); + 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 (detail::const_check(Factor::num != 1)) { + const auto max1 = detail::max_value() / Factor::num; + if (count > max1) { + ec = 1; + return {}; + } + const auto min1 = + (std::numeric_limits::min)() / Factor::num; + if (!std::is_unsigned::value && count < min1) { + ec = 1; + return {}; + } + count *= Factor::num; + } + + if (detail::const_check(Factor::den != 1)) count /= Factor::den; + auto tocount = lossless_integral_conversion(count, ec); + return ec ? To() : To(tocount); } /** * safe duration_cast between floating point durations */ -template::value), - FMT_ENABLE_IF(std::is_floating_point::value)> +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 (detail::const_check(Factor::num != 1)) { - constexpr auto max1 = detail::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 (detail::const_check(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}; + 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 (detail::const_check(Factor::num != 1)) { + constexpr auto max1 = detail::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 (detail::const_check(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 @@ -301,152 +301,142 @@ To safe_duration_cast(std::chrono::duration from, #define FMT_NOMACRO namespace detail { -template -struct null {}; -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<>(); +template struct null {}; +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<>(); } + +inline const std::locale& get_classic_locale() { + static const auto& locale = std::locale::classic(); + return locale; } -inline const std::locale &get_classic_locale() { - static const auto &locale = std::locale::classic(); - return locale; -} - -template -struct codecvt_result { - static constexpr const size_t max_size = 32; - CodeUnit buf[max_size]; - CodeUnit *end; +template struct codecvt_result { + static constexpr const size_t max_size = 32; + CodeUnit buf[max_size]; + CodeUnit* end; }; -template +template constexpr const size_t codecvt_result::max_size; -template -void write_codecvt(codecvt_result &out, string_view in_buf, - const std::locale &loc) { +template +void write_codecvt(codecvt_result& out, string_view in_buf, + const std::locale& loc) { #if FMT_CLANG_VERSION -#pragma clang diagnostic push -#pragma clang diagnostic ignored "-Wdeprecated" - auto &f = std::use_facet>(loc); -#pragma clang diagnostic pop +# pragma clang diagnostic push +# pragma clang diagnostic ignored "-Wdeprecated" + auto& f = std::use_facet>(loc); +# pragma clang diagnostic pop #else - auto &f = std::use_facet>(loc); + auto& f = std::use_facet>(loc); #endif - auto mb = std::mbstate_t(); - const char *from_next = nullptr; - auto result = f.in(mb, in_buf.begin(), in_buf.end(), from_next, - std::begin(out.buf), std::end(out.buf), out.end); - if (result != std::codecvt_base::ok) - FMT_THROW(format_error("failed to format time")); + auto mb = std::mbstate_t(); + const char* from_next = nullptr; + auto result = f.in(mb, in_buf.begin(), in_buf.end(), from_next, + std::begin(out.buf), std::end(out.buf), out.end); + if (result != std::codecvt_base::ok) + FMT_THROW(format_error("failed to format time")); } -template -auto write_encoded_tm_str(OutputIt out, string_view in, const std::locale &loc) +template +auto write_encoded_tm_str(OutputIt out, string_view in, const std::locale& loc) -> OutputIt { - if (detail::is_utf8() && loc != get_classic_locale()) { - // char16_t and char32_t codecvts are broken in MSVC (linkage errors) and - // gcc-4. + if (detail::is_utf8() && loc != get_classic_locale()) { + // char16_t and char32_t codecvts are broken in MSVC (linkage errors) and + // gcc-4. #if FMT_MSC_VERSION != 0 || \ (defined(__GLIBCXX__) && !defined(_GLIBCXX_USE_DUAL_ABI)) - // The _GLIBCXX_USE_DUAL_ABI macro is always defined in libstdc++ from gcc-5 - // and newer. - using code_unit = wchar_t; + // The _GLIBCXX_USE_DUAL_ABI macro is always defined in libstdc++ from gcc-5 + // and newer. + using code_unit = wchar_t; #else - using code_unit = char32_t; + using code_unit = char32_t; #endif - using unit_t = codecvt_result; - unit_t unit; - write_codecvt(unit, in, loc); - // In UTF-8 is used one to four one-byte code units. - auto &&buf = basic_memory_buffer(); - for (code_unit *p = unit.buf; p != unit.end; ++p) { - uint32_t c = static_cast(*p); - if (sizeof(code_unit) == 2 && c >= 0xd800 && c <= 0xdfff) { - // surrogate pair - ++p; - if (p == unit.end || (c & 0xfc00) != 0xd800 || - (*p & 0xfc00) != 0xdc00) { - FMT_THROW(format_error("failed to format time")); - } - c = (c << 10) + static_cast(*p) - 0x35fdc00; - } - if (c < 0x80) { - buf.push_back(static_cast(c)); - } else if (c < 0x800) { - buf.push_back(static_cast(0xc0 | (c >> 6))); - buf.push_back(static_cast(0x80 | (c & 0x3f))); - } else if ((c >= 0x800 && c <= 0xd7ff) || (c >= 0xe000 && c <= 0xffff)) { - buf.push_back(static_cast(0xe0 | (c >> 12))); - buf.push_back(static_cast(0x80 | ((c & 0xfff) >> 6))); - buf.push_back(static_cast(0x80 | (c & 0x3f))); - } else if (c >= 0x10000 && c <= 0x10ffff) { - buf.push_back(static_cast(0xf0 | (c >> 18))); - buf.push_back(static_cast(0x80 | ((c & 0x3ffff) >> 12))); - buf.push_back(static_cast(0x80 | ((c & 0xfff) >> 6))); - buf.push_back(static_cast(0x80 | (c & 0x3f))); - } else { - FMT_THROW(format_error("failed to format time")); - } + using unit_t = codecvt_result; + unit_t unit; + write_codecvt(unit, in, loc); + // In UTF-8 is used one to four one-byte code units. + auto&& buf = basic_memory_buffer(); + for (code_unit* p = unit.buf; p != unit.end; ++p) { + uint32_t c = static_cast(*p); + if (sizeof(code_unit) == 2 && c >= 0xd800 && c <= 0xdfff) { + // surrogate pair + ++p; + if (p == unit.end || (c & 0xfc00) != 0xd800 || + (*p & 0xfc00) != 0xdc00) { + FMT_THROW(format_error("failed to format time")); } - return copy_str(buf.data(), buf.data() + buf.size(), out); + c = (c << 10) + static_cast(*p) - 0x35fdc00; + } + if (c < 0x80) { + buf.push_back(static_cast(c)); + } else if (c < 0x800) { + buf.push_back(static_cast(0xc0 | (c >> 6))); + buf.push_back(static_cast(0x80 | (c & 0x3f))); + } else if ((c >= 0x800 && c <= 0xd7ff) || (c >= 0xe000 && c <= 0xffff)) { + buf.push_back(static_cast(0xe0 | (c >> 12))); + buf.push_back(static_cast(0x80 | ((c & 0xfff) >> 6))); + buf.push_back(static_cast(0x80 | (c & 0x3f))); + } else if (c >= 0x10000 && c <= 0x10ffff) { + buf.push_back(static_cast(0xf0 | (c >> 18))); + buf.push_back(static_cast(0x80 | ((c & 0x3ffff) >> 12))); + buf.push_back(static_cast(0x80 | ((c & 0xfff) >> 6))); + buf.push_back(static_cast(0x80 | (c & 0x3f))); + } else { + FMT_THROW(format_error("failed to format time")); + } } - return copy_str(in.data(), in.data() + in.size(), out); + return copy_str(buf.data(), buf.data() + buf.size(), out); + } + return copy_str(in.data(), in.data() + in.size(), out); } -template::value)> -auto write_tm_str(OutputIt out, string_view sv, const std::locale &loc) +template ::value)> +auto write_tm_str(OutputIt out, string_view sv, const std::locale& loc) -> OutputIt { - codecvt_result unit; - write_codecvt(unit, sv, loc); - return copy_str(unit.buf, unit.end, out); + codecvt_result unit; + write_codecvt(unit, sv, loc); + return copy_str(unit.buf, unit.end, out); } -template::value)> -auto write_tm_str(OutputIt out, string_view sv, const std::locale &loc) +template ::value)> +auto write_tm_str(OutputIt out, string_view sv, const std::locale& loc) -> OutputIt { - return write_encoded_tm_str(out, sv, loc); + return write_encoded_tm_str(out, sv, loc); } -template -inline void do_write(buffer &buf, const std::tm &time, - const std::locale &loc, char format, char modifier) { - auto &&format_buf = formatbuf>(buf); - auto &&os = std::basic_ostream(&format_buf); - os.imbue(loc); - using iterator = std::ostreambuf_iterator; - const auto &facet = std::use_facet>(loc); - auto end = facet.put(os, os, Char(' '), &time, format, modifier); - if (end.failed()) FMT_THROW(format_error("failed to format time")); +template +inline void do_write(buffer& buf, const std::tm& time, + const std::locale& loc, char format, char modifier) { + auto&& format_buf = formatbuf>(buf); + auto&& os = std::basic_ostream(&format_buf); + os.imbue(loc); + using iterator = std::ostreambuf_iterator; + const auto& facet = std::use_facet>(loc); + auto end = facet.put(os, os, Char(' '), &time, format, modifier); + if (end.failed()) FMT_THROW(format_error("failed to format time")); } -template::value)> -auto write(OutputIt out, const std::tm &time, const std::locale &loc, +template ::value)> +auto write(OutputIt out, const std::tm& time, const std::locale& loc, char format, char modifier = 0) -> OutputIt { - auto &&buf = get_buffer(out); - do_write(buf, time, loc, format, modifier); - return buf.out(); + auto&& buf = get_buffer(out); + do_write(buf, time, loc, format, modifier); + return buf.out(); } -template::value)> -auto write(OutputIt out, const std::tm &time, const std::locale &loc, +template ::value)> +auto write(OutputIt out, const std::tm& time, const std::locale& loc, char format, char modifier = 0) -> OutputIt { - auto &&buf = basic_memory_buffer(); - do_write(buf, time, loc, format, modifier); - return write_encoded_tm_str(out, string_view(buf.data(), buf.size()), loc); + auto&& buf = basic_memory_buffer(); + do_write(buf, time, loc, format, modifier); + return write_encoded_tm_str(out, string_view(buf.data(), buf.size()), loc); } } // namespace detail @@ -459,50 +449,44 @@ FMT_MODULE_EXPORT_BEGIN thread-safe on most platforms. */ inline std::tm localtime(std::time_t time) { - struct dispatcher { - std::time_t time_; - std::tm tm_; + struct dispatcher { + std::time_t time_; + std::tm tm_; - dispatcher(std::time_t t) - : time_(t) { - } + dispatcher(std::time_t t) : time_(t) {} - bool run() { - using namespace fmt::detail; - return handle(localtime_r(&time_, &tm_)); - } + bool run() { + using namespace fmt::detail; + return handle(localtime_r(&time_, &tm_)); + } - bool handle(std::tm *tm) { - return tm != nullptr; - } + bool handle(std::tm* tm) { return tm != nullptr; } - bool handle(detail::null<>) { - using namespace fmt::detail; - return fallback(localtime_s(&tm_, &time_)); - } + bool handle(detail::null<>) { + using namespace fmt::detail; + return fallback(localtime_s(&tm_, &time_)); + } - bool fallback(int res) { - return res == 0; - } + bool fallback(int res) { return res == 0; } #if !FMT_MSC_VERSION - bool fallback(detail::null<>) { - using namespace fmt::detail; - std::tm *tm = std::localtime(&time_); - if (tm) tm_ = *tm; - return tm != nullptr; - } + bool fallback(detail::null<>) { + using namespace fmt::detail; + 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_; + }; + 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_; } inline std::tm localtime( std::chrono::time_point time_point) { - return localtime(std::chrono::system_clock::to_time_t(time_point)); + return localtime(std::chrono::system_clock::to_time_t(time_point)); } /** @@ -511,49 +495,43 @@ inline std::tm localtime( function is thread-safe on most platforms. */ inline std::tm gmtime(std::time_t time) { - struct dispatcher { - std::time_t time_; - std::tm tm_; + struct dispatcher { + std::time_t time_; + std::tm tm_; - dispatcher(std::time_t t) - : time_(t) { - } + dispatcher(std::time_t t) : time_(t) {} - bool run() { - using namespace fmt::detail; - return handle(gmtime_r(&time_, &tm_)); - } + bool run() { + using namespace fmt::detail; + return handle(gmtime_r(&time_, &tm_)); + } - bool handle(std::tm *tm) { - return tm != nullptr; - } + bool handle(std::tm* tm) { return tm != nullptr; } - bool handle(detail::null<>) { - using namespace fmt::detail; - return fallback(gmtime_s(&tm_, &time_)); - } + bool handle(detail::null<>) { + using namespace fmt::detail; + return fallback(gmtime_s(&tm_, &time_)); + } - bool fallback(int res) { - return res == 0; - } + bool fallback(int res) { return res == 0; } #if !FMT_MSC_VERSION - bool fallback(detail::null<>) { - std::tm *tm = std::gmtime(&time_); - if (tm) tm_ = *tm; - return tm != nullptr; - } + bool fallback(detail::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_; + }; + 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_; } inline std::tm gmtime( std::chrono::time_point time_point) { - return gmtime(std::chrono::system_clock::to_time_t(time_point)); + return gmtime(std::chrono::system_clock::to_time_t(time_point)); } FMT_BEGIN_DETAIL_NAMESPACE @@ -561,1486 +539,1298 @@ FMT_BEGIN_DETAIL_NAMESPACE // Writes two-digit numbers a, b and c separated by sep to buf. // The method by Pavel Novikov based on // https://johnnylee-sde.github.io/Fast-unsigned-integer-to-time-string/. -inline void write_digit2_separated(char *buf, unsigned a, unsigned b, +inline void write_digit2_separated(char* buf, unsigned a, unsigned b, unsigned c, char sep) { - unsigned long long digits = - a | (b << 24) | (static_cast(c) << 48); - // Convert each value to BCD. - // We have x = a * 10 + b and we want to convert it to BCD y = a * 16 + b. - // The difference is - // y - x = a * 6 - // a can be found from x: - // a = floor(x / 10) - // then - // y = x + a * 6 = x + floor(x / 10) * 6 - // floor(x / 10) is (x * 205) >> 11 (needs 16 bits). - digits += (((digits * 205) >> 11) & 0x000f00000f00000f) * 6; - // Put low nibbles to high bytes and high nibbles to low bytes. - digits = ((digits & 0x00f00000f00000f0) >> 4) | - ((digits & 0x000f00000f00000f) << 8); - auto usep = static_cast(sep); - // Add ASCII '0' to each digit byte and insert separators. - digits |= 0x3030003030003030 | (usep << 16) | (usep << 40); - - constexpr const size_t len = 8; - if (const_check(is_big_endian())) { - char tmp[len]; - std::memcpy(tmp, &digits, len); - std::reverse_copy(tmp, tmp + len, buf); - } else { - std::memcpy(buf, &digits, len); - } + unsigned long long digits = + a | (b << 24) | (static_cast(c) << 48); + // Convert each value to BCD. + // We have x = a * 10 + b and we want to convert it to BCD y = a * 16 + b. + // The difference is + // y - x = a * 6 + // a can be found from x: + // a = floor(x / 10) + // then + // y = x + a * 6 = x + floor(x / 10) * 6 + // floor(x / 10) is (x * 205) >> 11 (needs 16 bits). + digits += (((digits * 205) >> 11) & 0x000f00000f00000f) * 6; + // Put low nibbles to high bytes and high nibbles to low bytes. + digits = ((digits & 0x00f00000f00000f0) >> 4) | + ((digits & 0x000f00000f00000f) << 8); + auto usep = static_cast(sep); + // Add ASCII '0' to each digit byte and insert separators. + digits |= 0x3030003030003030 | (usep << 16) | (usep << 40); + + constexpr const size_t len = 8; + if (const_check(is_big_endian())) { + char tmp[len]; + std::memcpy(tmp, &digits, len); + std::reverse_copy(tmp, tmp + len, buf); + } else { + std::memcpy(buf, &digits, len); + } } -template -FMT_CONSTEXPR inline const char *get_units() { - if (std::is_same::value) return "as"; - if (std::is_same::value) return "fs"; - if (std::is_same::value) return "ps"; - if (std::is_same::value) return "ns"; - if (std::is_same::value) return "µs"; - if (std::is_same::value) return "ms"; - if (std::is_same::value) return "cs"; - if (std::is_same::value) return "ds"; - if (std::is_same>::value) return "s"; - if (std::is_same::value) return "das"; - if (std::is_same::value) return "hs"; - if (std::is_same::value) return "ks"; - if (std::is_same::value) return "Ms"; - if (std::is_same::value) return "Gs"; - if (std::is_same::value) return "Ts"; - if (std::is_same::value) return "Ps"; - if (std::is_same::value) return "Es"; - if (std::is_same>::value) return "m"; - if (std::is_same>::value) return "h"; - return nullptr; +template FMT_CONSTEXPR inline const char* get_units() { + if (std::is_same::value) return "as"; + if (std::is_same::value) return "fs"; + if (std::is_same::value) return "ps"; + if (std::is_same::value) return "ns"; + if (std::is_same::value) return "µs"; + if (std::is_same::value) return "ms"; + if (std::is_same::value) return "cs"; + if (std::is_same::value) return "ds"; + if (std::is_same>::value) return "s"; + if (std::is_same::value) return "das"; + if (std::is_same::value) return "hs"; + if (std::is_same::value) return "ks"; + if (std::is_same::value) return "Ms"; + if (std::is_same::value) return "Gs"; + if (std::is_same::value) return "Ts"; + if (std::is_same::value) return "Ps"; + if (std::is_same::value) return "Es"; + if (std::is_same>::value) return "m"; + if (std::is_same>::value) return "h"; + return nullptr; } enum class numeric_system { - standard, - // Alternative numeric system, e.g. 十二 instead of 12 in ja_JP locale. - alternative + 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; - } - // Year: - case 'Y': - handler.on_year(numeric_system::standard); - break; - case 'y': - handler.on_short_year(numeric_system::standard); - break; - case 'C': - handler.on_century(numeric_system::standard); - break; - case 'G': - handler.on_iso_week_based_year(); - break; - case 'g': - handler.on_iso_week_based_short_year(); - 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': - case 'h': - handler.on_abbr_month(); - break; - case 'B': - handler.on_full_month(); - break; - case 'm': - handler.on_dec_month(numeric_system::standard); - break; - // Day of the year/month: - case 'U': - handler.on_dec0_week_of_year(numeric_system::standard); - break; - case 'W': - handler.on_dec1_week_of_year(numeric_system::standard); - break; - case 'V': - handler.on_iso_week_of_year(numeric_system::standard); - break; - case 'j': - handler.on_day_of_year(); - break; - case 'd': - handler.on_day_of_month(numeric_system::standard); - break; - case 'e': - handler.on_day_of_month_space(numeric_system::standard); - 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 'Y': - handler.on_year(numeric_system::alternative); - break; - case 'y': - handler.on_offset_year(); - break; - case 'C': - handler.on_century(numeric_system::alternative); - break; - 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 'y': - handler.on_short_year(numeric_system::alternative); - break; - case 'm': - handler.on_dec_month(numeric_system::alternative); - break; - case 'U': - handler.on_dec0_week_of_year(numeric_system::alternative); - break; - case 'W': - handler.on_dec1_week_of_year(numeric_system::alternative); - break; - case 'V': - handler.on_iso_week_of_year(numeric_system::alternative); - break; - case 'd': - handler.on_day_of_month(numeric_system::alternative); - break; - case 'e': - handler.on_day_of_month_space(numeric_system::alternative); - break; - 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; +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); - return 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; + } + // Year: + case 'Y': + handler.on_year(numeric_system::standard); + break; + case 'y': + handler.on_short_year(numeric_system::standard); + break; + case 'C': + handler.on_century(numeric_system::standard); + break; + case 'G': + handler.on_iso_week_based_year(); + break; + case 'g': + handler.on_iso_week_based_short_year(); + 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': + case 'h': + handler.on_abbr_month(); + break; + case 'B': + handler.on_full_month(); + break; + case 'm': + handler.on_dec_month(numeric_system::standard); + break; + // Day of the year/month: + case 'U': + handler.on_dec0_week_of_year(numeric_system::standard); + break; + case 'W': + handler.on_dec1_week_of_year(numeric_system::standard); + break; + case 'V': + handler.on_iso_week_of_year(numeric_system::standard); + break; + case 'j': + handler.on_day_of_year(); + break; + case 'd': + handler.on_day_of_month(numeric_system::standard); + break; + case 'e': + handler.on_day_of_month_space(numeric_system::standard); + 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 'Y': + handler.on_year(numeric_system::alternative); + break; + case 'y': + handler.on_offset_year(); + break; + case 'C': + handler.on_century(numeric_system::alternative); + break; + 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 'y': + handler.on_short_year(numeric_system::alternative); + break; + case 'm': + handler.on_dec_month(numeric_system::alternative); + break; + case 'U': + handler.on_dec0_week_of_year(numeric_system::alternative); + break; + case 'W': + handler.on_dec1_week_of_year(numeric_system::alternative); + break; + case 'V': + handler.on_iso_week_of_year(numeric_system::alternative); + break; + case 'd': + handler.on_day_of_month(numeric_system::alternative); + break; + case 'e': + handler.on_day_of_month_space(numeric_system::alternative); + break; + 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; } -template -struct null_chrono_spec_handler { - FMT_CONSTEXPR void unsupported() { - static_cast(this)->unsupported(); - } - FMT_CONSTEXPR void on_year(numeric_system) { - unsupported(); - } - FMT_CONSTEXPR void on_short_year(numeric_system) { - unsupported(); - } - FMT_CONSTEXPR void on_offset_year() { - unsupported(); - } - FMT_CONSTEXPR void on_century(numeric_system) { - unsupported(); - } - FMT_CONSTEXPR void on_iso_week_based_year() { - unsupported(); - } - FMT_CONSTEXPR void on_iso_week_based_short_year() { - unsupported(); - } - FMT_CONSTEXPR void on_abbr_weekday() { - unsupported(); - } - FMT_CONSTEXPR void on_full_weekday() { - unsupported(); - } - FMT_CONSTEXPR void on_dec0_weekday(numeric_system) { - unsupported(); - } - FMT_CONSTEXPR void on_dec1_weekday(numeric_system) { - unsupported(); - } - FMT_CONSTEXPR void on_abbr_month() { - unsupported(); - } - FMT_CONSTEXPR void on_full_month() { - unsupported(); - } - FMT_CONSTEXPR void on_dec_month(numeric_system) { - unsupported(); - } - FMT_CONSTEXPR void on_dec0_week_of_year(numeric_system) { - unsupported(); - } - FMT_CONSTEXPR void on_dec1_week_of_year(numeric_system) { - unsupported(); - } - FMT_CONSTEXPR void on_iso_week_of_year(numeric_system) { - unsupported(); - } - FMT_CONSTEXPR void on_day_of_year() { - unsupported(); - } - FMT_CONSTEXPR void on_day_of_month(numeric_system) { - unsupported(); - } - FMT_CONSTEXPR void on_day_of_month_space(numeric_system) { - unsupported(); - } - FMT_CONSTEXPR void on_24_hour(numeric_system) { - unsupported(); - } - FMT_CONSTEXPR void on_12_hour(numeric_system) { - unsupported(); - } - FMT_CONSTEXPR void on_minute(numeric_system) { - unsupported(); - } - FMT_CONSTEXPR void on_second(numeric_system) { - unsupported(); - } - FMT_CONSTEXPR void on_datetime(numeric_system) { - unsupported(); - } - FMT_CONSTEXPR void on_loc_date(numeric_system) { - unsupported(); - } - FMT_CONSTEXPR void on_loc_time(numeric_system) { - unsupported(); - } - FMT_CONSTEXPR void on_us_date() { - unsupported(); - } - FMT_CONSTEXPR void on_iso_date() { - unsupported(); - } - FMT_CONSTEXPR void on_12_hour_time() { - unsupported(); - } - FMT_CONSTEXPR void on_24_hour_time() { - unsupported(); - } - FMT_CONSTEXPR void on_iso_time() { - unsupported(); - } - FMT_CONSTEXPR void on_am_pm() { - unsupported(); - } - FMT_CONSTEXPR void on_duration_value() { - unsupported(); - } - FMT_CONSTEXPR void on_duration_unit() { - unsupported(); - } - FMT_CONSTEXPR void on_utc_offset() { - unsupported(); - } - FMT_CONSTEXPR void on_tz_name() { - unsupported(); - } +template struct null_chrono_spec_handler { + FMT_CONSTEXPR void unsupported() { + static_cast(this)->unsupported(); + } + FMT_CONSTEXPR void on_year(numeric_system) { unsupported(); } + FMT_CONSTEXPR void on_short_year(numeric_system) { unsupported(); } + FMT_CONSTEXPR void on_offset_year() { unsupported(); } + FMT_CONSTEXPR void on_century(numeric_system) { unsupported(); } + FMT_CONSTEXPR void on_iso_week_based_year() { unsupported(); } + FMT_CONSTEXPR void on_iso_week_based_short_year() { unsupported(); } + FMT_CONSTEXPR void on_abbr_weekday() { unsupported(); } + FMT_CONSTEXPR void on_full_weekday() { unsupported(); } + FMT_CONSTEXPR void on_dec0_weekday(numeric_system) { unsupported(); } + FMT_CONSTEXPR void on_dec1_weekday(numeric_system) { unsupported(); } + FMT_CONSTEXPR void on_abbr_month() { unsupported(); } + FMT_CONSTEXPR void on_full_month() { unsupported(); } + FMT_CONSTEXPR void on_dec_month(numeric_system) { unsupported(); } + FMT_CONSTEXPR void on_dec0_week_of_year(numeric_system) { unsupported(); } + FMT_CONSTEXPR void on_dec1_week_of_year(numeric_system) { unsupported(); } + FMT_CONSTEXPR void on_iso_week_of_year(numeric_system) { unsupported(); } + FMT_CONSTEXPR void on_day_of_year() { unsupported(); } + FMT_CONSTEXPR void on_day_of_month(numeric_system) { unsupported(); } + FMT_CONSTEXPR void on_day_of_month_space(numeric_system) { unsupported(); } + FMT_CONSTEXPR void on_24_hour(numeric_system) { unsupported(); } + FMT_CONSTEXPR void on_12_hour(numeric_system) { unsupported(); } + FMT_CONSTEXPR void on_minute(numeric_system) { unsupported(); } + FMT_CONSTEXPR void on_second(numeric_system) { unsupported(); } + FMT_CONSTEXPR void on_datetime(numeric_system) { unsupported(); } + FMT_CONSTEXPR void on_loc_date(numeric_system) { unsupported(); } + FMT_CONSTEXPR void on_loc_time(numeric_system) { unsupported(); } + FMT_CONSTEXPR void on_us_date() { unsupported(); } + FMT_CONSTEXPR void on_iso_date() { unsupported(); } + FMT_CONSTEXPR void on_12_hour_time() { unsupported(); } + FMT_CONSTEXPR void on_24_hour_time() { unsupported(); } + FMT_CONSTEXPR void on_iso_time() { unsupported(); } + FMT_CONSTEXPR void on_am_pm() { unsupported(); } + FMT_CONSTEXPR void on_duration_value() { unsupported(); } + FMT_CONSTEXPR void on_duration_unit() { unsupported(); } + FMT_CONSTEXPR void on_utc_offset() { unsupported(); } + FMT_CONSTEXPR void on_tz_name() { unsupported(); } }; struct tm_format_checker : null_chrono_spec_handler { - FMT_NORETURN void unsupported() { - FMT_THROW(format_error("no format")); - } - - template - FMT_CONSTEXPR void on_text(const Char *, const Char *) { - } - FMT_CONSTEXPR void on_year(numeric_system) { - } - FMT_CONSTEXPR void on_short_year(numeric_system) { - } - FMT_CONSTEXPR void on_offset_year() { - } - FMT_CONSTEXPR void on_century(numeric_system) { - } - FMT_CONSTEXPR void on_iso_week_based_year() { - } - FMT_CONSTEXPR void on_iso_week_based_short_year() { - } - FMT_CONSTEXPR void on_abbr_weekday() { - } - FMT_CONSTEXPR void on_full_weekday() { - } - FMT_CONSTEXPR void on_dec0_weekday(numeric_system) { - } - FMT_CONSTEXPR void on_dec1_weekday(numeric_system) { - } - FMT_CONSTEXPR void on_abbr_month() { - } - FMT_CONSTEXPR void on_full_month() { - } - FMT_CONSTEXPR void on_dec_month(numeric_system) { - } - FMT_CONSTEXPR void on_dec0_week_of_year(numeric_system) { - } - FMT_CONSTEXPR void on_dec1_week_of_year(numeric_system) { - } - FMT_CONSTEXPR void on_iso_week_of_year(numeric_system) { - } - FMT_CONSTEXPR void on_day_of_year() { - } - FMT_CONSTEXPR void on_day_of_month(numeric_system) { - } - FMT_CONSTEXPR void on_day_of_month_space(numeric_system) { - } - FMT_CONSTEXPR void on_24_hour(numeric_system) { - } - FMT_CONSTEXPR void on_12_hour(numeric_system) { - } - FMT_CONSTEXPR void on_minute(numeric_system) { - } - FMT_CONSTEXPR void on_second(numeric_system) { - } - FMT_CONSTEXPR void on_datetime(numeric_system) { - } - FMT_CONSTEXPR void on_loc_date(numeric_system) { - } - FMT_CONSTEXPR void on_loc_time(numeric_system) { - } - FMT_CONSTEXPR void on_us_date() { - } - FMT_CONSTEXPR void on_iso_date() { - } - FMT_CONSTEXPR void on_12_hour_time() { - } - FMT_CONSTEXPR void on_24_hour_time() { - } - FMT_CONSTEXPR void on_iso_time() { - } - FMT_CONSTEXPR void on_am_pm() { - } - FMT_CONSTEXPR void on_utc_offset() { - } - FMT_CONSTEXPR void on_tz_name() { - } + FMT_NORETURN void unsupported() { FMT_THROW(format_error("no format")); } + + template + FMT_CONSTEXPR void on_text(const Char*, const Char*) {} + FMT_CONSTEXPR void on_year(numeric_system) {} + FMT_CONSTEXPR void on_short_year(numeric_system) {} + FMT_CONSTEXPR void on_offset_year() {} + FMT_CONSTEXPR void on_century(numeric_system) {} + FMT_CONSTEXPR void on_iso_week_based_year() {} + FMT_CONSTEXPR void on_iso_week_based_short_year() {} + FMT_CONSTEXPR void on_abbr_weekday() {} + FMT_CONSTEXPR void on_full_weekday() {} + FMT_CONSTEXPR void on_dec0_weekday(numeric_system) {} + FMT_CONSTEXPR void on_dec1_weekday(numeric_system) {} + FMT_CONSTEXPR void on_abbr_month() {} + FMT_CONSTEXPR void on_full_month() {} + FMT_CONSTEXPR void on_dec_month(numeric_system) {} + FMT_CONSTEXPR void on_dec0_week_of_year(numeric_system) {} + FMT_CONSTEXPR void on_dec1_week_of_year(numeric_system) {} + FMT_CONSTEXPR void on_iso_week_of_year(numeric_system) {} + FMT_CONSTEXPR void on_day_of_year() {} + FMT_CONSTEXPR void on_day_of_month(numeric_system) {} + FMT_CONSTEXPR void on_day_of_month_space(numeric_system) {} + FMT_CONSTEXPR void on_24_hour(numeric_system) {} + FMT_CONSTEXPR void on_12_hour(numeric_system) {} + FMT_CONSTEXPR void on_minute(numeric_system) {} + FMT_CONSTEXPR void on_second(numeric_system) {} + FMT_CONSTEXPR void on_datetime(numeric_system) {} + FMT_CONSTEXPR void on_loc_date(numeric_system) {} + FMT_CONSTEXPR void on_loc_time(numeric_system) {} + FMT_CONSTEXPR void on_us_date() {} + FMT_CONSTEXPR void on_iso_date() {} + FMT_CONSTEXPR void on_12_hour_time() {} + FMT_CONSTEXPR void on_24_hour_time() {} + FMT_CONSTEXPR void on_iso_time() {} + FMT_CONSTEXPR void on_am_pm() {} + FMT_CONSTEXPR void on_utc_offset() {} + FMT_CONSTEXPR void on_tz_name() {} }; -inline const char *tm_wday_full_name(int wday) { - static constexpr const char *full_name_list[] = { - "Sunday", "Monday", "Tuesday", "Wednesday", - "Thursday", "Friday", "Saturday"}; - return wday >= 0 && wday <= 6 ? full_name_list[wday] : "?"; +inline const char* tm_wday_full_name(int wday) { + static constexpr const char* full_name_list[] = { + "Sunday", "Monday", "Tuesday", "Wednesday", + "Thursday", "Friday", "Saturday"}; + return wday >= 0 && wday <= 6 ? full_name_list[wday] : "?"; } -inline const char *tm_wday_short_name(int wday) { - static constexpr const char *short_name_list[] = {"Sun", "Mon", "Tue", "Wed", - "Thu", "Fri", "Sat"}; - return wday >= 0 && wday <= 6 ? short_name_list[wday] : "???"; +inline const char* tm_wday_short_name(int wday) { + static constexpr const char* short_name_list[] = {"Sun", "Mon", "Tue", "Wed", + "Thu", "Fri", "Sat"}; + return wday >= 0 && wday <= 6 ? short_name_list[wday] : "???"; } -inline const char *tm_mon_full_name(int mon) { - static constexpr const char *full_name_list[] = { - "January", "February", "March", "April", "May", "June", - "July", "August", "September", "October", "November", "December"}; - return mon >= 0 && mon <= 11 ? full_name_list[mon] : "?"; +inline const char* tm_mon_full_name(int mon) { + static constexpr const char* full_name_list[] = { + "January", "February", "March", "April", "May", "June", + "July", "August", "September", "October", "November", "December"}; + return mon >= 0 && mon <= 11 ? full_name_list[mon] : "?"; } -inline const char *tm_mon_short_name(int mon) { - static constexpr const char *short_name_list[] = { - "Jan", - "Feb", - "Mar", - "Apr", - "May", - "Jun", - "Jul", - "Aug", - "Sep", - "Oct", - "Nov", - "Dec", - }; - return mon >= 0 && mon <= 11 ? short_name_list[mon] : "???"; +inline const char* tm_mon_short_name(int mon) { + static constexpr const char* short_name_list[] = { + "Jan", "Feb", "Mar", "Apr", "May", "Jun", + "Jul", "Aug", "Sep", "Oct", "Nov", "Dec", + }; + return mon >= 0 && mon <= 11 ? short_name_list[mon] : "???"; } -template +template struct has_member_data_tm_gmtoff : std::false_type {}; -template +template struct has_member_data_tm_gmtoff> : std::true_type {}; -template +template struct has_member_data_tm_zone : std::false_type {}; -template +template struct has_member_data_tm_zone> : std::true_type {}; #if FMT_USE_TZSET inline void tzset_once() { - static bool init = []() -> bool { - _tzset(); - return true; - }(); - ignore_unused(init); + static bool init = []() -> bool { + _tzset(); + return true; + }(); + ignore_unused(init); } #endif -template -class tm_writer { -private: - static constexpr int days_per_week = 7; - - const std::locale &loc_; - const bool is_classic_; - OutputIt out_; - const std::tm &tm_; - - auto tm_sec() const noexcept -> int { - FMT_ASSERT(tm_.tm_sec >= 0 && tm_.tm_sec <= 61, ""); - return tm_.tm_sec; - } - auto tm_min() const noexcept -> int { - FMT_ASSERT(tm_.tm_min >= 0 && tm_.tm_min <= 59, ""); - return tm_.tm_min; - } - auto tm_hour() const noexcept -> int { - FMT_ASSERT(tm_.tm_hour >= 0 && tm_.tm_hour <= 23, ""); - return tm_.tm_hour; - } - auto tm_mday() const noexcept -> int { - FMT_ASSERT(tm_.tm_mday >= 1 && tm_.tm_mday <= 31, ""); - return tm_.tm_mday; - } - auto tm_mon() const noexcept -> int { - FMT_ASSERT(tm_.tm_mon >= 0 && tm_.tm_mon <= 11, ""); - return tm_.tm_mon; - } - auto tm_year() const noexcept -> long long { - return 1900ll + tm_.tm_year; - } - auto tm_wday() const noexcept -> int { - FMT_ASSERT(tm_.tm_wday >= 0 && tm_.tm_wday <= 6, ""); - return tm_.tm_wday; - } - auto tm_yday() const noexcept -> int { - FMT_ASSERT(tm_.tm_yday >= 0 && tm_.tm_yday <= 365, ""); - return tm_.tm_yday; - } - - auto tm_hour12() const noexcept -> int { - const auto h = tm_hour(); - const auto z = h < 12 ? h : h - 12; - return z == 0 ? 12 : z; - } - - // POSIX and the C Standard are unclear or inconsistent about what %C and %y - // do if the year is negative or exceeds 9999. Use the convention that %C - // concatenated with %y yields the same output as %Y, and that %Y contains at - // least 4 characters, with more only if necessary. - auto split_year_lower(long long year) const noexcept -> int { - auto l = year % 100; - if (l < 0) l = -l; // l in [0, 99] - return static_cast(l); - } - - // Algorithm: - // https://en.wikipedia.org/wiki/ISO_week_date#Calculating_the_week_number_from_a_month_and_day_of_the_month_or_ordinal_date - auto iso_year_weeks(long long curr_year) const noexcept -> int { - const auto prev_year = curr_year - 1; - const auto curr_p = - (curr_year + curr_year / 4 - curr_year / 100 + curr_year / 400) % - days_per_week; - const auto prev_p = - (prev_year + prev_year / 4 - prev_year / 100 + prev_year / 400) % - days_per_week; - return 52 + ((curr_p == 4 || prev_p == 3) ? 1 : 0); - } - auto iso_week_num(int tm_yday, int tm_wday) const noexcept -> int { - return (tm_yday + 11 - (tm_wday == 0 ? days_per_week : tm_wday)) / - days_per_week; - } - auto tm_iso_week_year() const noexcept -> long long { - const auto year = tm_year(); - const auto w = iso_week_num(tm_yday(), tm_wday()); - if (w < 1) return year - 1; - if (w > iso_year_weeks(year)) return year + 1; - return year; - } - auto tm_iso_week_of_year() const noexcept -> int { - const auto year = tm_year(); - const auto w = iso_week_num(tm_yday(), tm_wday()); - if (w < 1) return iso_year_weeks(year - 1); - if (w > iso_year_weeks(year)) return 1; - return w; - } - - void write1(int value) { - *out_++ = static_cast('0' + to_unsigned(value) % 10); - } - void write2(int value) { - const char *d = digits2(to_unsigned(value) % 100); - *out_++ = *d++; - *out_++ = *d; - } - - void write_year_extended(long long year) { - // At least 4 characters. - int width = 4; - if (year < 0) { - *out_++ = '-'; - year = 0 - year; - --width; - } - uint32_or_64_or_128_t n = to_unsigned(year); - const int num_digits = count_digits(n); - if (width > num_digits) out_ = std::fill_n(out_, width - num_digits, '0'); - out_ = format_decimal(out_, n, num_digits).end; - } - void write_year(long long year) { - if (year >= 0 && year < 10000) { - write2(static_cast(year / 100)); - write2(static_cast(year % 100)); - } else { - write_year_extended(year); - } +template class tm_writer { + private: + static constexpr int days_per_week = 7; + + const std::locale& loc_; + const bool is_classic_; + OutputIt out_; + const std::tm& tm_; + + auto tm_sec() const noexcept -> int { + FMT_ASSERT(tm_.tm_sec >= 0 && tm_.tm_sec <= 61, ""); + return tm_.tm_sec; + } + auto tm_min() const noexcept -> int { + FMT_ASSERT(tm_.tm_min >= 0 && tm_.tm_min <= 59, ""); + return tm_.tm_min; + } + auto tm_hour() const noexcept -> int { + FMT_ASSERT(tm_.tm_hour >= 0 && tm_.tm_hour <= 23, ""); + return tm_.tm_hour; + } + auto tm_mday() const noexcept -> int { + FMT_ASSERT(tm_.tm_mday >= 1 && tm_.tm_mday <= 31, ""); + return tm_.tm_mday; + } + auto tm_mon() const noexcept -> int { + FMT_ASSERT(tm_.tm_mon >= 0 && tm_.tm_mon <= 11, ""); + return tm_.tm_mon; + } + auto tm_year() const noexcept -> long long { return 1900ll + tm_.tm_year; } + auto tm_wday() const noexcept -> int { + FMT_ASSERT(tm_.tm_wday >= 0 && tm_.tm_wday <= 6, ""); + return tm_.tm_wday; + } + auto tm_yday() const noexcept -> int { + FMT_ASSERT(tm_.tm_yday >= 0 && tm_.tm_yday <= 365, ""); + return tm_.tm_yday; + } + + auto tm_hour12() const noexcept -> int { + const auto h = tm_hour(); + const auto z = h < 12 ? h : h - 12; + return z == 0 ? 12 : z; + } + + // POSIX and the C Standard are unclear or inconsistent about what %C and %y + // do if the year is negative or exceeds 9999. Use the convention that %C + // concatenated with %y yields the same output as %Y, and that %Y contains at + // least 4 characters, with more only if necessary. + auto split_year_lower(long long year) const noexcept -> int { + auto l = year % 100; + if (l < 0) l = -l; // l in [0, 99] + return static_cast(l); + } + + // Algorithm: + // https://en.wikipedia.org/wiki/ISO_week_date#Calculating_the_week_number_from_a_month_and_day_of_the_month_or_ordinal_date + auto iso_year_weeks(long long curr_year) const noexcept -> int { + const auto prev_year = curr_year - 1; + const auto curr_p = + (curr_year + curr_year / 4 - curr_year / 100 + curr_year / 400) % + days_per_week; + const auto prev_p = + (prev_year + prev_year / 4 - prev_year / 100 + prev_year / 400) % + days_per_week; + return 52 + ((curr_p == 4 || prev_p == 3) ? 1 : 0); + } + auto iso_week_num(int tm_yday, int tm_wday) const noexcept -> int { + return (tm_yday + 11 - (tm_wday == 0 ? days_per_week : tm_wday)) / + days_per_week; + } + auto tm_iso_week_year() const noexcept -> long long { + const auto year = tm_year(); + const auto w = iso_week_num(tm_yday(), tm_wday()); + if (w < 1) return year - 1; + if (w > iso_year_weeks(year)) return year + 1; + return year; + } + auto tm_iso_week_of_year() const noexcept -> int { + const auto year = tm_year(); + const auto w = iso_week_num(tm_yday(), tm_wday()); + if (w < 1) return iso_year_weeks(year - 1); + if (w > iso_year_weeks(year)) return 1; + return w; + } + + void write1(int value) { + *out_++ = static_cast('0' + to_unsigned(value) % 10); + } + void write2(int value) { + const char* d = digits2(to_unsigned(value) % 100); + *out_++ = *d++; + *out_++ = *d; + } + + void write_year_extended(long long year) { + // At least 4 characters. + int width = 4; + if (year < 0) { + *out_++ = '-'; + year = 0 - year; + --width; + } + uint32_or_64_or_128_t n = to_unsigned(year); + const int num_digits = count_digits(n); + if (width > num_digits) out_ = std::fill_n(out_, width - num_digits, '0'); + out_ = format_decimal(out_, n, num_digits).end; + } + void write_year(long long year) { + if (year >= 0 && year < 10000) { + write2(static_cast(year / 100)); + write2(static_cast(year % 100)); + } else { + write_year_extended(year); } + } - void write_utc_offset(long offset) { - if (offset < 0) { - *out_++ = '-'; - offset = -offset; - } else { - *out_++ = '+'; - } - offset /= 60; - write2(static_cast(offset / 60)); - write2(static_cast(offset % 60)); - } - template::value)> - void format_utc_offset_impl(const T &tm) { - write_utc_offset(tm.tm_gmtoff); - } - template::value)> - void format_utc_offset_impl(const T &tm) { + void write_utc_offset(long offset) { + if (offset < 0) { + *out_++ = '-'; + offset = -offset; + } else { + *out_++ = '+'; + } + offset /= 60; + write2(static_cast(offset / 60)); + write2(static_cast(offset % 60)); + } + template ::value)> + void format_utc_offset_impl(const T& tm) { + write_utc_offset(tm.tm_gmtoff); + } + template ::value)> + void format_utc_offset_impl(const T& tm) { #if defined(_WIN32) && defined(_UCRT) -#if FMT_USE_TZSET - tzset_once(); -#endif - long offset = 0; - _get_timezone(&offset); - if (tm.tm_isdst) { - long dstbias = 0; - _get_dstbias(&dstbias); - offset += dstbias; - } - write_utc_offset(-offset); +# if FMT_USE_TZSET + tzset_once(); +# endif + long offset = 0; + _get_timezone(&offset); + if (tm.tm_isdst) { + long dstbias = 0; + _get_dstbias(&dstbias); + offset += dstbias; + } + write_utc_offset(-offset); #else - ignore_unused(tm); - format_localized('z'); + ignore_unused(tm); + format_localized('z'); #endif + } + + template ::value)> + void format_tz_name_impl(const T& tm) { + if (is_classic_) + out_ = write_tm_str(out_, tm.tm_zone, loc_); + else + format_localized('Z'); + } + template ::value)> + void format_tz_name_impl(const T&) { + format_localized('Z'); + } + + void format_localized(char format, char modifier = 0) { + out_ = write(out_, tm_, loc_, format, modifier); + } + + public: + tm_writer(const std::locale& loc, OutputIt out, const std::tm& tm) + : loc_(loc), + is_classic_(loc_ == get_classic_locale()), + out_(out), + tm_(tm) {} + + OutputIt out() const { return out_; } + + FMT_CONSTEXPR void on_text(const Char* begin, const Char* end) { + out_ = copy_str(begin, end, out_); + } + + void on_abbr_weekday() { + if (is_classic_) + out_ = write(out_, tm_wday_short_name(tm_wday())); + else + format_localized('a'); + } + void on_full_weekday() { + if (is_classic_) + out_ = write(out_, tm_wday_full_name(tm_wday())); + else + format_localized('A'); + } + void on_dec0_weekday(numeric_system ns) { + if (is_classic_ || ns == numeric_system::standard) return write1(tm_wday()); + format_localized('w', 'O'); + } + void on_dec1_weekday(numeric_system ns) { + if (is_classic_ || ns == numeric_system::standard) { + auto wday = tm_wday(); + write1(wday == 0 ? days_per_week : wday); + } else { + format_localized('u', 'O'); + } + } + + void on_abbr_month() { + if (is_classic_) + out_ = write(out_, tm_mon_short_name(tm_mon())); + else + format_localized('b'); + } + void on_full_month() { + if (is_classic_) + out_ = write(out_, tm_mon_full_name(tm_mon())); + else + format_localized('B'); + } + + void on_datetime(numeric_system ns) { + if (is_classic_) { + on_abbr_weekday(); + *out_++ = ' '; + on_abbr_month(); + *out_++ = ' '; + on_day_of_month_space(numeric_system::standard); + *out_++ = ' '; + on_iso_time(); + *out_++ = ' '; + on_year(numeric_system::standard); + } else { + format_localized('c', ns == numeric_system::standard ? '\0' : 'E'); + } + } + void on_loc_date(numeric_system ns) { + if (is_classic_) + on_us_date(); + else + format_localized('x', ns == numeric_system::standard ? '\0' : 'E'); + } + void on_loc_time(numeric_system ns) { + if (is_classic_) + on_iso_time(); + else + format_localized('X', ns == numeric_system::standard ? '\0' : 'E'); + } + void on_us_date() { + char buf[8]; + write_digit2_separated(buf, to_unsigned(tm_mon() + 1), + to_unsigned(tm_mday()), + to_unsigned(split_year_lower(tm_year())), '/'); + out_ = copy_str(std::begin(buf), std::end(buf), out_); + } + void on_iso_date() { + auto year = tm_year(); + char buf[10]; + size_t offset = 0; + if (year >= 0 && year < 10000) { + copy2(buf, digits2(static_cast(year / 100))); + } else { + offset = 4; + write_year_extended(year); + year = 0; + } + write_digit2_separated(buf + 2, static_cast(year % 100), + to_unsigned(tm_mon() + 1), to_unsigned(tm_mday()), + '-'); + out_ = copy_str(std::begin(buf) + offset, std::end(buf), out_); + } + + void on_utc_offset() { format_utc_offset_impl(tm_); } + void on_tz_name() { format_tz_name_impl(tm_); } + + void on_year(numeric_system ns) { + if (is_classic_ || ns == numeric_system::standard) + return write_year(tm_year()); + format_localized('Y', 'E'); + } + void on_short_year(numeric_system ns) { + if (is_classic_ || ns == numeric_system::standard) + return write2(split_year_lower(tm_year())); + format_localized('y', 'O'); + } + void on_offset_year() { + if (is_classic_) return write2(split_year_lower(tm_year())); + format_localized('y', 'E'); + } + + void on_century(numeric_system ns) { + if (is_classic_ || ns == numeric_system::standard) { + auto year = tm_year(); + auto upper = year / 100; + if (year >= -99 && year < 0) { + // Zero upper on negative year. + *out_++ = '-'; + *out_++ = '0'; + } else if (upper >= 0 && upper < 100) { + write2(static_cast(upper)); + } else { + out_ = write(out_, upper); + } + } else { + format_localized('C', 'E'); + } + } + + void on_dec_month(numeric_system ns) { + if (is_classic_ || ns == numeric_system::standard) + return write2(tm_mon() + 1); + format_localized('m', 'O'); + } + + void on_dec0_week_of_year(numeric_system ns) { + if (is_classic_ || ns == numeric_system::standard) + return write2((tm_yday() + days_per_week - tm_wday()) / days_per_week); + format_localized('U', 'O'); + } + void on_dec1_week_of_year(numeric_system ns) { + if (is_classic_ || ns == numeric_system::standard) { + auto wday = tm_wday(); + write2((tm_yday() + days_per_week - + (wday == 0 ? (days_per_week - 1) : (wday - 1))) / + days_per_week); + } else { + format_localized('W', 'O'); + } + } + void on_iso_week_of_year(numeric_system ns) { + if (is_classic_ || ns == numeric_system::standard) + return write2(tm_iso_week_of_year()); + format_localized('V', 'O'); + } + + void on_iso_week_based_year() { write_year(tm_iso_week_year()); } + void on_iso_week_based_short_year() { + write2(split_year_lower(tm_iso_week_year())); + } + + void on_day_of_year() { + auto yday = tm_yday() + 1; + write1(yday / 100); + write2(yday % 100); + } + void on_day_of_month(numeric_system ns) { + if (is_classic_ || ns == numeric_system::standard) return write2(tm_mday()); + format_localized('d', 'O'); + } + void on_day_of_month_space(numeric_system ns) { + if (is_classic_ || ns == numeric_system::standard) { + auto mday = to_unsigned(tm_mday()) % 100; + const char* d2 = digits2(mday); + *out_++ = mday < 10 ? ' ' : d2[0]; + *out_++ = d2[1]; + } else { + format_localized('e', 'O'); + } + } + + void on_24_hour(numeric_system ns) { + if (is_classic_ || ns == numeric_system::standard) return write2(tm_hour()); + format_localized('H', 'O'); + } + void on_12_hour(numeric_system ns) { + if (is_classic_ || ns == numeric_system::standard) + return write2(tm_hour12()); + format_localized('I', 'O'); + } + void on_minute(numeric_system ns) { + if (is_classic_ || ns == numeric_system::standard) return write2(tm_min()); + format_localized('M', 'O'); + } + void on_second(numeric_system ns) { + if (is_classic_ || ns == numeric_system::standard) return write2(tm_sec()); + format_localized('S', 'O'); + } + + void on_12_hour_time() { + if (is_classic_) { + char buf[8]; + write_digit2_separated(buf, to_unsigned(tm_hour12()), + to_unsigned(tm_min()), to_unsigned(tm_sec()), ':'); + out_ = copy_str(std::begin(buf), std::end(buf), out_); + *out_++ = ' '; + on_am_pm(); + } else { + format_localized('r'); + } + } + void on_24_hour_time() { + write2(tm_hour()); + *out_++ = ':'; + write2(tm_min()); + } + void on_iso_time() { + char buf[8]; + write_digit2_separated(buf, to_unsigned(tm_hour()), to_unsigned(tm_min()), + to_unsigned(tm_sec()), ':'); + out_ = copy_str(std::begin(buf), std::end(buf), out_); + } + + void on_am_pm() { + if (is_classic_) { + *out_++ = tm_hour() < 12 ? 'A' : 'P'; + *out_++ = 'M'; + } else { + format_localized('p'); } + } - template::value)> - void format_tz_name_impl(const T &tm) { - if (is_classic_) - out_ = write_tm_str(out_, tm.tm_zone, loc_); - else - format_localized('Z'); - } - template::value)> - void format_tz_name_impl(const T &) { - format_localized('Z'); - } - - void format_localized(char format, char modifier = 0) { - out_ = write(out_, tm_, loc_, format, modifier); - } - -public: - tm_writer(const std::locale &loc, OutputIt out, const std::tm &tm) - : loc_(loc), - is_classic_(loc_ == get_classic_locale()), - out_(out), - tm_(tm) { - } - - OutputIt out() const { - return out_; - } - - FMT_CONSTEXPR void on_text(const Char *begin, const Char *end) { - out_ = copy_str(begin, end, out_); - } - - void on_abbr_weekday() { - if (is_classic_) - out_ = write(out_, tm_wday_short_name(tm_wday())); - else - format_localized('a'); - } - void on_full_weekday() { - if (is_classic_) - out_ = write(out_, tm_wday_full_name(tm_wday())); - else - format_localized('A'); - } - void on_dec0_weekday(numeric_system ns) { - if (is_classic_ || ns == numeric_system::standard) return write1(tm_wday()); - format_localized('w', 'O'); - } - void on_dec1_weekday(numeric_system ns) { - if (is_classic_ || ns == numeric_system::standard) { - auto wday = tm_wday(); - write1(wday == 0 ? days_per_week : wday); - } else { - format_localized('u', 'O'); - } - } - - void on_abbr_month() { - if (is_classic_) - out_ = write(out_, tm_mon_short_name(tm_mon())); - else - format_localized('b'); - } - void on_full_month() { - if (is_classic_) - out_ = write(out_, tm_mon_full_name(tm_mon())); - else - format_localized('B'); - } - - void on_datetime(numeric_system ns) { - if (is_classic_) { - on_abbr_weekday(); - *out_++ = ' '; - on_abbr_month(); - *out_++ = ' '; - on_day_of_month_space(numeric_system::standard); - *out_++ = ' '; - on_iso_time(); - *out_++ = ' '; - on_year(numeric_system::standard); - } else { - format_localized('c', ns == numeric_system::standard ? '\0' : 'E'); - } - } - void on_loc_date(numeric_system ns) { - if (is_classic_) - on_us_date(); - else - format_localized('x', ns == numeric_system::standard ? '\0' : 'E'); - } - void on_loc_time(numeric_system ns) { - if (is_classic_) - on_iso_time(); - else - format_localized('X', ns == numeric_system::standard ? '\0' : 'E'); - } - void on_us_date() { - char buf[8]; - write_digit2_separated(buf, to_unsigned(tm_mon() + 1), - to_unsigned(tm_mday()), - to_unsigned(split_year_lower(tm_year())), '/'); - out_ = copy_str(std::begin(buf), std::end(buf), out_); - } - void on_iso_date() { - auto year = tm_year(); - char buf[10]; - size_t offset = 0; - if (year >= 0 && year < 10000) { - copy2(buf, digits2(static_cast(year / 100))); - } else { - offset = 4; - write_year_extended(year); - year = 0; - } - write_digit2_separated(buf + 2, static_cast(year % 100), - to_unsigned(tm_mon() + 1), to_unsigned(tm_mday()), - '-'); - out_ = copy_str(std::begin(buf) + offset, std::end(buf), out_); - } - - void on_utc_offset() { - format_utc_offset_impl(tm_); - } - void on_tz_name() { - format_tz_name_impl(tm_); - } - - void on_year(numeric_system ns) { - if (is_classic_ || ns == numeric_system::standard) - return write_year(tm_year()); - format_localized('Y', 'E'); - } - void on_short_year(numeric_system ns) { - if (is_classic_ || ns == numeric_system::standard) - return write2(split_year_lower(tm_year())); - format_localized('y', 'O'); - } - void on_offset_year() { - if (is_classic_) return write2(split_year_lower(tm_year())); - format_localized('y', 'E'); - } - - void on_century(numeric_system ns) { - if (is_classic_ || ns == numeric_system::standard) { - auto year = tm_year(); - auto upper = year / 100; - if (year >= -99 && year < 0) { - // Zero upper on negative year. - *out_++ = '-'; - *out_++ = '0'; - } else if (upper >= 0 && upper < 100) { - write2(static_cast(upper)); - } else { - out_ = write(out_, upper); - } - } else { - format_localized('C', 'E'); - } - } - - void on_dec_month(numeric_system ns) { - if (is_classic_ || ns == numeric_system::standard) - return write2(tm_mon() + 1); - format_localized('m', 'O'); - } - - void on_dec0_week_of_year(numeric_system ns) { - if (is_classic_ || ns == numeric_system::standard) - return write2((tm_yday() + days_per_week - tm_wday()) / days_per_week); - format_localized('U', 'O'); - } - void on_dec1_week_of_year(numeric_system ns) { - if (is_classic_ || ns == numeric_system::standard) { - auto wday = tm_wday(); - write2((tm_yday() + days_per_week - - (wday == 0 ? (days_per_week - 1) : (wday - 1))) / - days_per_week); - } else { - format_localized('W', 'O'); - } - } - void on_iso_week_of_year(numeric_system ns) { - if (is_classic_ || ns == numeric_system::standard) - return write2(tm_iso_week_of_year()); - format_localized('V', 'O'); - } - - void on_iso_week_based_year() { - write_year(tm_iso_week_year()); - } - void on_iso_week_based_short_year() { - write2(split_year_lower(tm_iso_week_year())); - } - - void on_day_of_year() { - auto yday = tm_yday() + 1; - write1(yday / 100); - write2(yday % 100); - } - void on_day_of_month(numeric_system ns) { - if (is_classic_ || ns == numeric_system::standard) return write2(tm_mday()); - format_localized('d', 'O'); - } - void on_day_of_month_space(numeric_system ns) { - if (is_classic_ || ns == numeric_system::standard) { - auto mday = to_unsigned(tm_mday()) % 100; - const char *d2 = digits2(mday); - *out_++ = mday < 10 ? ' ' : d2[0]; - *out_++ = d2[1]; - } else { - format_localized('e', 'O'); - } - } - - void on_24_hour(numeric_system ns) { - if (is_classic_ || ns == numeric_system::standard) return write2(tm_hour()); - format_localized('H', 'O'); - } - void on_12_hour(numeric_system ns) { - if (is_classic_ || ns == numeric_system::standard) - return write2(tm_hour12()); - format_localized('I', 'O'); - } - void on_minute(numeric_system ns) { - if (is_classic_ || ns == numeric_system::standard) return write2(tm_min()); - format_localized('M', 'O'); - } - void on_second(numeric_system ns) { - if (is_classic_ || ns == numeric_system::standard) return write2(tm_sec()); - format_localized('S', 'O'); - } - - void on_12_hour_time() { - if (is_classic_) { - char buf[8]; - write_digit2_separated(buf, to_unsigned(tm_hour12()), - to_unsigned(tm_min()), to_unsigned(tm_sec()), ':'); - out_ = copy_str(std::begin(buf), std::end(buf), out_); - *out_++ = ' '; - on_am_pm(); - } else { - format_localized('r'); - } - } - void on_24_hour_time() { - write2(tm_hour()); - *out_++ = ':'; - write2(tm_min()); - } - void on_iso_time() { - char buf[8]; - write_digit2_separated(buf, to_unsigned(tm_hour()), to_unsigned(tm_min()), - to_unsigned(tm_sec()), ':'); - out_ = copy_str(std::begin(buf), std::end(buf), out_); - } - - void on_am_pm() { - if (is_classic_) { - *out_++ = tm_hour() < 12 ? 'A' : 'P'; - *out_++ = 'M'; - } else { - format_localized('p'); - } - } - - // These apply to chrono durations but not tm. - void on_duration_value() { - } - void on_duration_unit() { - } + // These apply to chrono durations but not tm. + void on_duration_value() {} + void on_duration_unit() {} }; struct chrono_format_checker : null_chrono_spec_handler { - FMT_NORETURN void unsupported() { - FMT_THROW(format_error("no date")); - } - - template - FMT_CONSTEXPR void on_text(const Char *, const Char *) { - } - FMT_CONSTEXPR void on_24_hour(numeric_system) { - } - FMT_CONSTEXPR void on_12_hour(numeric_system) { - } - FMT_CONSTEXPR void on_minute(numeric_system) { - } - FMT_CONSTEXPR void on_second(numeric_system) { - } - FMT_CONSTEXPR void on_12_hour_time() { - } - FMT_CONSTEXPR void on_24_hour_time() { - } - FMT_CONSTEXPR void on_iso_time() { - } - FMT_CONSTEXPR void on_am_pm() { - } - FMT_CONSTEXPR void on_duration_value() { - } - FMT_CONSTEXPR void on_duration_unit() { - } + FMT_NORETURN void unsupported() { FMT_THROW(format_error("no date")); } + + template + FMT_CONSTEXPR void on_text(const Char*, const Char*) {} + FMT_CONSTEXPR void on_24_hour(numeric_system) {} + FMT_CONSTEXPR void on_12_hour(numeric_system) {} + FMT_CONSTEXPR void on_minute(numeric_system) {} + FMT_CONSTEXPR void on_second(numeric_system) {} + FMT_CONSTEXPR void on_12_hour_time() {} + FMT_CONSTEXPR void on_24_hour_time() {} + FMT_CONSTEXPR void on_iso_time() {} + FMT_CONSTEXPR void on_am_pm() {} + FMT_CONSTEXPR void on_duration_value() {} + FMT_CONSTEXPR void on_duration_unit() {} }; -template::value)> +template ::value)> inline bool isfinite(T) { - return true; + return true; } // Converts value to Int and checks that it's in the range [0, upper). -template::value)> +template ::value)> inline Int to_nonnegative_int(T value, Int upper) { - FMT_ASSERT(std::is_unsigned::value || - (value >= 0 && to_unsigned(value) <= to_unsigned(upper)), - "invalid value"); - (void)upper; - return static_cast(value); + FMT_ASSERT(std::is_unsigned::value || + (value >= 0 && to_unsigned(value) <= to_unsigned(upper)), + "invalid value"); + (void)upper; + return static_cast(value); } -template::value)> +template ::value)> inline Int to_nonnegative_int(T value, Int upper) { - if (value < 0 || value > static_cast(upper)) - FMT_THROW(format_error("invalid value")); - return static_cast(value); + if (value < 0 || value > static_cast(upper)) + FMT_THROW(format_error("invalid value")); + return static_cast(value); } -template::value)> +template ::value)> inline T mod(T x, int y) { - return x % static_cast(y); + return x % static_cast(y); } -template::value)> +template ::value)> inline T mod(T x, int y) { - return std::fmod(x, static_cast(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> +template ::value> struct make_unsigned_or_unchanged { - using type = T; + using type = T; }; -template -struct make_unsigned_or_unchanged { - using type = typename std::make_unsigned::type; +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 +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; + 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)> +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. + // 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; + 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); + auto s = std::chrono::duration_cast(d); + return std::chrono::duration_cast(d - s); #endif } // Counts the number of fractional digits in the range [0, 18] according to the // C++20 spec. If more than 18 fractional digits are required then returns 6 for // microseconds precision. -template() / 10)> +template () / 10)> struct count_fractional_digits { - static constexpr int value = - Num % Den == 0 ? N : count_fractional_digits::value; + static constexpr int value = + Num % Den == 0 ? N : count_fractional_digits::value; }; // Base case that doesn't instantiate any more templates // in order to avoid overflow. -template +template struct count_fractional_digits { - static constexpr int value = (Num % Den == 0) ? N : 6; + static constexpr int value = (Num % Den == 0) ? N : 6; }; constexpr long long pow10(std::uint32_t n) { - return n == 0 ? 1 : 10 * pow10(n - 1); + return n == 0 ? 1 : 10 * pow10(n - 1); } -template::is_signed)> +template ::is_signed)> constexpr std::chrono::duration abs( std::chrono::duration d) { - // We need to compare the duration using the count() method directly - // due to a compiler bug in clang-11 regarding the spaceship operator, - // when -Wzero-as-null-pointer-constant is enabled. - // In clang-12 the bug has been fixed. See - // https://bugs.llvm.org/show_bug.cgi?id=46235 and the reproducible example: - // https://www.godbolt.org/z/Knbb5joYx. - return d.count() >= d.zero().count() ? d : -d; + // We need to compare the duration using the count() method directly + // due to a compiler bug in clang-11 regarding the spaceship operator, + // when -Wzero-as-null-pointer-constant is enabled. + // In clang-12 the bug has been fixed. See + // https://bugs.llvm.org/show_bug.cgi?id=46235 and the reproducible example: + // https://www.godbolt.org/z/Knbb5joYx. + return d.count() >= d.zero().count() ? d : -d; } -template::is_signed)> +template ::is_signed)> constexpr std::chrono::duration abs( std::chrono::duration d) { - return d; + return d; } -template::value)> +template ::value)> OutputIt format_duration_value(OutputIt out, Rep val, int) { - return write(out, val); + return write(out, val); } -template::value)> +template ::value)> OutputIt format_duration_value(OutputIt out, Rep val, int precision) { - auto specs = basic_format_specs(); - specs.precision = precision; - specs.type = precision >= 0 ? presentation_type::fixed_lower : presentation_type::general_lower; - return write(out, val, specs); + auto specs = basic_format_specs(); + specs.precision = precision; + specs.type = precision >= 0 ? presentation_type::fixed_lower + : presentation_type::general_lower; + return write(out, val, specs); } -template +template OutputIt copy_unit(string_view unit, OutputIt out, Char) { - return std::copy(unit.begin(), unit.end(), out); + return std::copy(unit.begin(), unit.end(), out); } -template +template OutputIt copy_unit(string_view unit, OutputIt out, wchar_t) { - // This works when wchar_t is UTF-32 because units only contain characters - // that have the same representation in UTF-16 and UTF-32. - utf8_to_utf16 u(unit); - return std::copy(u.c_str(), u.c_str() + u.size(), out); + // This works when wchar_t is UTF-32 because units only contain characters + // that have the same representation in UTF-16 and UTF-32. + utf8_to_utf16 u(unit); + return std::copy(u.c_str(), u.c_str() + u.size(), out); } -template +template OutputIt format_duration_unit(OutputIt out) { - if (const char *unit = get_units()) - return copy_unit(string_view(unit), out, Char()); - *out++ = '['; - out = write(out, Period::num); - if (const_check(Period::den != 1)) { - *out++ = '/'; - out = write(out, Period::den); - } - *out++ = ']'; - *out++ = 's'; - return out; + if (const char* unit = get_units()) + return copy_unit(string_view(unit), out, Char()); + *out++ = '['; + out = write(out, Period::num); + if (const_check(Period::den != 1)) { + *out++ = '/'; + out = write(out, Period::den); + } + *out++ = ']'; + *out++ = 's'; + return out; } class get_locale { -private: - union { - std::locale locale_; - }; - bool has_locale_ = false; - -public: - get_locale(bool localized, locale_ref loc) - : has_locale_(localized) { - if (localized) - ::new (&locale_) std::locale(loc.template get()); - } - ~get_locale() { - if (has_locale_) locale_.~locale(); - } - operator const std::locale &() const { - return has_locale_ ? locale_ : get_classic_locale(); - } + private: + union { + std::locale locale_; + }; + bool has_locale_ = false; + + public: + get_locale(bool localized, locale_ref loc) : has_locale_(localized) { + if (localized) + ::new (&locale_) std::locale(loc.template get()); + } + ~get_locale() { + if (has_locale_) locale_.~locale(); + } + operator const std::locale&() const { + return has_locale_ ? locale_ : get_classic_locale(); + } }; -template +template struct chrono_formatter { - FormatContext &context; - OutputIt out; - int precision; - bool localized = false; - // 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; - using tm_writer_type = tm_writer; - - 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; - } + FormatContext& context; + OutputIt out; + int precision; + bool localized = false; + // 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; + using tm_writer_type = tm_writer; + + 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. + // 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); + // 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)); + 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; + // returns true if nan or inf, writes to out. + bool handle_nan_inf() { + if (isfinite(val)) { + return false; } - - void write_sign() { - if (negative) { - *out++ = '-'; - negative = false; - } + if (isnan(val)) { + write_nan(); + return true; } - - 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 = detail::count_digits(n); - if (width > num_digits) out = std::fill_n(out, width - num_digits, '0'); - out = format_decimal(out, n, num_digits).end; + // must be +-inf + if (val > 0) { + write_pinf(); + } else { + write_ninf(); } - - template - void write_fractional_seconds(Duration d) { - FMT_ASSERT(!std::is_floating_point::value, ""); + 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 = detail::count_digits(n); + if (width > num_digits) out = std::fill_n(out, width - num_digits, '0'); + out = format_decimal(out, n, num_digits).end; + } + + template void write_fractional_seconds(Duration d) { + FMT_ASSERT(!std::is_floating_point::value, ""); + constexpr auto num_fractional_digits = + count_fractional_digits::value; + + using subsecond_precision = std::chrono::duration< + typename std::common_type::type, + std::ratio<1, detail::pow10(num_fractional_digits)>>; + if (std::ratio_less::value) { + *out++ = '.'; + auto fractional = + detail::abs(d) - std::chrono::duration_cast(d); + auto subseconds = + std::chrono::treat_as_floating_point< + typename subsecond_precision::rep>::value + ? fractional.count() + : std::chrono::duration_cast(fractional) + .count(); + uint32_or_64_or_128_t n = + to_unsigned(to_nonnegative_int(subseconds, max_value())); + int num_digits = detail::count_digits(n); + if (num_fractional_digits > num_digits) + out = std::fill_n(out, num_fractional_digits - num_digits, '0'); + out = format_decimal(out, n, num_digits).end; + } + } + + 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); } + + template + void format_tm(const tm& time, Callback cb, Args... args) { + if (isnan(val)) return write_nan(); + get_locale loc(localized, context.locale()); + auto w = tm_writer_type(loc, out, time); + (w.*cb)(args...); + out = w.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_year(numeric_system) {} + void on_short_year(numeric_system) {} + void on_offset_year() {} + void on_century(numeric_system) {} + void on_iso_week_based_year() {} + void on_iso_week_based_short_year() {} + void on_dec_month(numeric_system) {} + void on_dec0_week_of_year(numeric_system) {} + void on_dec1_week_of_year(numeric_system) {} + void on_iso_week_of_year(numeric_system) {} + void on_day_of_year() {} + void on_day_of_month(numeric_system) {} + void on_day_of_month_space(numeric_system) {} + + 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_tm(time, &tm_writer_type::on_24_hour, ns); + } + + 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_tm(time, &tm_writer_type::on_12_hour, ns); + } + + 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_tm(time, &tm_writer_type::on_minute, ns); + } + + void on_second(numeric_system ns) { + if (handle_nan_inf()) return; + + if (ns == numeric_system::standard) { + if (std::is_floating_point::value) { constexpr auto num_fractional_digits = - count_fractional_digits::value; - - using subsecond_precision = std::chrono::duration< - typename std::common_type::type, - std::ratio<1, detail::pow10(num_fractional_digits)>>; - if (std::ratio_less::value) { - *out++ = '.'; - auto fractional = - detail::abs(d) - std::chrono::duration_cast(d); - auto subseconds = - std::chrono::treat_as_floating_point< - typename subsecond_precision::rep>::value ? - fractional.count() : - std::chrono::duration_cast(fractional) - .count(); - uint32_or_64_or_128_t n = - to_unsigned(to_nonnegative_int(subseconds, max_value())); - int num_digits = detail::count_digits(n); - if (num_fractional_digits > num_digits) - out = std::fill_n(out, num_fractional_digits - num_digits, '0'); - out = format_decimal(out, n, num_digits).end; - } - } - - 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); - } - - template - void format_tm(const tm &time, Callback cb, Args... args) { - if (isnan(val)) return write_nan(); - get_locale loc(localized, context.locale()); - auto w = tm_writer_type(loc, out, time); - (w.*cb)(args...); - out = w.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_year(numeric_system) { - } - void on_short_year(numeric_system) { - } - void on_offset_year() { - } - void on_century(numeric_system) { - } - void on_iso_week_based_year() { - } - void on_iso_week_based_short_year() { - } - void on_dec_month(numeric_system) { - } - void on_dec0_week_of_year(numeric_system) { - } - void on_dec1_week_of_year(numeric_system) { - } - void on_iso_week_of_year(numeric_system) { - } - void on_day_of_year() { - } - void on_day_of_month(numeric_system) { - } - void on_day_of_month_space(numeric_system) { - } - - 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_tm(time, &tm_writer_type::on_24_hour, ns); - } - - 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_tm(time, &tm_writer_type::on_12_hour, ns); - } - - 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_tm(time, &tm_writer_type::on_minute, ns); - } - - void on_second(numeric_system ns) { - if (handle_nan_inf()) return; - - if (ns == numeric_system::standard) { - if (std::is_floating_point::value) { - constexpr auto num_fractional_digits = - count_fractional_digits::value; - auto buf = memory_buffer(); - format_to(std::back_inserter(buf), runtime("{:.{}f}"), - std::fmod(val * static_cast(Period::num) / - static_cast(Period::den), - static_cast(60)), - num_fractional_digits); - if (negative) *out++ = '-'; - if (buf.size() < 2 || buf[1] == '.') *out++ = '0'; - out = std::copy(buf.begin(), buf.end(), out); - } else { - write(second(), 2); - write_fractional_seconds(std::chrono::duration(val)); - } - return; - } - auto time = tm(); - time.tm_sec = to_nonnegative_int(second(), 60); - format_tm(time, &tm_writer_type::on_second, ns); - } - - void on_12_hour_time() { - if (handle_nan_inf()) return; - format_tm(time(), &tm_writer_type::on_12_hour_time); - } - - 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; - on_second(numeric_system::standard); - } - - void on_am_pm() { - if (handle_nan_inf()) return; - format_tm(time(), &tm_writer_type::on_am_pm); - } - - 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); - } + count_fractional_digits::value; + auto buf = memory_buffer(); + format_to(std::back_inserter(buf), runtime("{:.{}f}"), + std::fmod(val * static_cast(Period::num) / + static_cast(Period::den), + static_cast(60)), + num_fractional_digits); + if (negative) *out++ = '-'; + if (buf.size() < 2 || buf[1] == '.') *out++ = '0'; + out = std::copy(buf.begin(), buf.end(), out); + } else { + write(second(), 2); + write_fractional_seconds(std::chrono::duration(val)); + } + return; + } + auto time = tm(); + time.tm_sec = to_nonnegative_int(second(), 60); + format_tm(time, &tm_writer_type::on_second, ns); + } + + void on_12_hour_time() { + if (handle_nan_inf()) return; + format_tm(time(), &tm_writer_type::on_12_hour_time); + } + + 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; + on_second(numeric_system::standard); + } + + void on_am_pm() { + if (handle_nan_inf()) return; + format_tm(time(), &tm_writer_type::on_am_pm); + } + + 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); + } }; FMT_END_DETAIL_NAMESPACE @@ -2050,243 +1840,227 @@ using weekday = std::chrono::weekday; #else // A fallback version of weekday. class weekday { -private: - unsigned char value; - -public: - weekday() = default; - explicit constexpr weekday(unsigned wd) noexcept - : value(static_cast(wd != 7 ? wd : 0)) { - } - constexpr unsigned c_encoding() const noexcept { - return value; - } + private: + unsigned char value; + + public: + weekday() = default; + explicit constexpr weekday(unsigned wd) noexcept + : value(static_cast(wd != 7 ? wd : 0)) {} + constexpr unsigned c_encoding() const noexcept { return value; } }; class year_month_day {}; #endif // A rudimentary weekday formatter. -template -struct formatter { -private: - bool localized = false; - -public: - FMT_CONSTEXPR auto parse(basic_format_parse_context &ctx) - -> decltype(ctx.begin()) { - auto begin = ctx.begin(), end = ctx.end(); - if (begin != end && *begin == 'L') { - ++begin; - localized = true; - } - return begin; - } - - template - auto format(weekday wd, FormatContext &ctx) const -> decltype(ctx.out()) { - auto time = std::tm(); - time.tm_wday = static_cast(wd.c_encoding()); - detail::get_locale loc(localized, ctx.locale()); - auto w = detail::tm_writer(loc, ctx.out(), time); - w.on_abbr_weekday(); - return w.out(); - } +template struct formatter { + private: + bool localized = false; + + public: + FMT_CONSTEXPR auto parse(basic_format_parse_context& ctx) + -> decltype(ctx.begin()) { + auto begin = ctx.begin(), end = ctx.end(); + if (begin != end && *begin == 'L') { + ++begin; + localized = true; + } + return begin; + } + + template + auto format(weekday wd, FormatContext& ctx) const -> decltype(ctx.out()) { + auto time = std::tm(); + time.tm_wday = static_cast(wd.c_encoding()); + detail::get_locale loc(localized, ctx.locale()); + auto w = detail::tm_writer(loc, ctx.out(), time); + w.on_abbr_weekday(); + return w.out(); + } }; -template +template struct formatter, Char> { -private: - basic_format_specs specs; - int precision = -1; - using arg_ref_type = detail::arg_ref; - arg_ref_type width_ref; - arg_ref_type precision_ref; - bool localized = false; + private: + basic_format_specs specs; + int precision = -1; + using arg_ref_type = detail::arg_ref; + arg_ref_type width_ref; + arg_ref_type precision_ref; + bool localized = false; + 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; - 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(detail::auto_id) { - return arg_ref_type(context.next_arg_id()); - } - - void on_error(const char *msg) { - FMT_THROW(format_error(msg)); - } - FMT_CONSTEXPR void on_fill(basic_string_view fill) { - f.specs.fill = fill; - } - FMT_CONSTEXPR void on_align(align_t align) { - f.specs.align = align; - } - FMT_CONSTEXPR void on_width(int width) { - f.specs.width = width; - } - FMT_CONSTEXPR void on_precision(int _precision) { - f.precision = _precision; - } - FMT_CONSTEXPR void end_precision() { - } - - template - FMT_CONSTEXPR void on_dynamic_width(Id arg_id) { - f.width_ref = make_arg_ref(arg_id); - } - - template - FMT_CONSTEXPR 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 = detail::parse_align(begin, end, handler); - if (begin == end) return {begin, begin}; - begin = detail::parse_width(begin, end, handler); - if (begin == end) return {begin, begin}; - if (*begin == '.') { - if (std::is_floating_point::value) - begin = detail::parse_precision(begin, end, handler); - else - handler.on_error("precision not allowed for this argument type"); - } - if (begin != end && *begin == 'L') { - ++begin; - localized = true; - } - end = detail::parse_chrono_format(begin, end, - detail::chrono_format_checker()); - return {begin, end}; - } - -public: - FMT_CONSTEXPR auto parse(basic_format_parse_context &ctx) - -> decltype(ctx.begin()) { - auto range = do_parse(ctx); - format_str = basic_string_view( - &*range.begin, detail::to_unsigned(range.end - range.begin)); - return range.end; - } - - template - auto format(const duration &d, FormatContext &ctx) const - -> decltype(ctx.out()) { - auto specs_copy = specs; - auto precision_copy = precision; - 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); - detail::handle_dynamic_spec(specs_copy.width, - width_ref, ctx); - detail::handle_dynamic_spec(precision_copy, - precision_ref, ctx); - if (begin == end || *begin == '}') { - out = detail::format_duration_value(out, d.count(), precision_copy); - detail::format_duration_unit(out); - } else { - detail::chrono_formatter f( - ctx, out, d); - f.precision = precision_copy; - f.localized = localized; - detail::parse_chrono_format(begin, end, f); - } - return detail::write( - ctx.out(), basic_string_view(buf.data(), buf.size()), specs_copy); - } + 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(detail::auto_id) { + return arg_ref_type(context.next_arg_id()); + } + + void on_error(const char* msg) { FMT_THROW(format_error(msg)); } + FMT_CONSTEXPR void on_fill(basic_string_view fill) { + f.specs.fill = fill; + } + FMT_CONSTEXPR void on_align(align_t align) { f.specs.align = align; } + FMT_CONSTEXPR void on_width(int width) { f.specs.width = width; } + FMT_CONSTEXPR void on_precision(int _precision) { + f.precision = _precision; + } + FMT_CONSTEXPR void end_precision() {} + + template FMT_CONSTEXPR void on_dynamic_width(Id arg_id) { + f.width_ref = make_arg_ref(arg_id); + } + + template FMT_CONSTEXPR 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 = detail::parse_align(begin, end, handler); + if (begin == end) return {begin, begin}; + begin = detail::parse_width(begin, end, handler); + if (begin == end) return {begin, begin}; + if (*begin == '.') { + if (std::is_floating_point::value) + begin = detail::parse_precision(begin, end, handler); + else + handler.on_error("precision not allowed for this argument type"); + } + if (begin != end && *begin == 'L') { + ++begin; + localized = true; + } + end = detail::parse_chrono_format(begin, end, + detail::chrono_format_checker()); + return {begin, end}; + } + + public: + FMT_CONSTEXPR auto parse(basic_format_parse_context& ctx) + -> decltype(ctx.begin()) { + auto range = do_parse(ctx); + format_str = basic_string_view( + &*range.begin, detail::to_unsigned(range.end - range.begin)); + return range.end; + } + + template + auto format(const duration& d, FormatContext& ctx) const + -> decltype(ctx.out()) { + auto specs_copy = specs; + auto precision_copy = precision; + 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); + detail::handle_dynamic_spec(specs_copy.width, + width_ref, ctx); + detail::handle_dynamic_spec(precision_copy, + precision_ref, ctx); + if (begin == end || *begin == '}') { + out = detail::format_duration_value(out, d.count(), precision_copy); + detail::format_duration_unit(out); + } else { + detail::chrono_formatter f( + ctx, out, d); + f.precision = precision_copy; + f.localized = localized; + detail::parse_chrono_format(begin, end, f); + } + return detail::write( + ctx.out(), basic_string_view(buf.data(), buf.size()), specs_copy); + } }; -template +template struct formatter, Char> : formatter { - FMT_CONSTEXPR formatter() { - basic_string_view default_specs = - detail::string_literal{}; - this->do_parse(default_specs.begin(), default_specs.end()); - } - - template - auto format(std::chrono::time_point val, - FormatContext &ctx) const -> decltype(ctx.out()) { - return formatter::format(localtime(val), ctx); - } + FMT_CONSTEXPR formatter() { + basic_string_view default_specs = + detail::string_literal{}; + this->do_parse(default_specs.begin(), default_specs.end()); + } + + template + auto format(std::chrono::time_point val, + FormatContext& ctx) const -> decltype(ctx.out()) { + return formatter::format(localtime(val), ctx); + } }; -template -struct formatter { -private: - enum class spec { - unknown, - year_month_day, - hh_mm_ss, - }; - spec spec_ = spec::unknown; - basic_string_view specs; - -protected: - template - FMT_CONSTEXPR auto do_parse(It begin, It end) -> It { - if (begin != end && *begin == ':') ++begin; - end = detail::parse_chrono_format(begin, end, detail::tm_format_checker()); - // Replace default spec only if the new spec is not empty. - if (end != begin) specs = {begin, detail::to_unsigned(end - begin)}; - return end; - } - -public: - FMT_CONSTEXPR auto parse(basic_format_parse_context &ctx) - -> decltype(ctx.begin()) { - auto end = this->do_parse(ctx.begin(), ctx.end()); - // basic_string_view<>::compare isn't constexpr before C++17. - if (specs.size() == 2 && specs[0] == Char('%')) { - if (specs[1] == Char('F')) - spec_ = spec::year_month_day; - else if (specs[1] == Char('T')) - spec_ = spec::hh_mm_ss; - } - return end; - } - - template - auto format(const std::tm &tm, FormatContext &ctx) const - -> decltype(ctx.out()) { - const auto loc_ref = ctx.locale(); - detail::get_locale loc(static_cast(loc_ref), loc_ref); - auto w = detail::tm_writer(loc, ctx.out(), tm); - if (spec_ == spec::year_month_day) - w.on_iso_date(); - else if (spec_ == spec::hh_mm_ss) - w.on_iso_time(); - else - detail::parse_chrono_format(specs.begin(), specs.end(), w); - return w.out(); - } +template struct formatter { + private: + enum class spec { + unknown, + year_month_day, + hh_mm_ss, + }; + spec spec_ = spec::unknown; + basic_string_view specs; + + protected: + template FMT_CONSTEXPR auto do_parse(It begin, It end) -> It { + if (begin != end && *begin == ':') ++begin; + end = detail::parse_chrono_format(begin, end, detail::tm_format_checker()); + // Replace default spec only if the new spec is not empty. + if (end != begin) specs = {begin, detail::to_unsigned(end - begin)}; + return end; + } + + public: + FMT_CONSTEXPR auto parse(basic_format_parse_context& ctx) + -> decltype(ctx.begin()) { + auto end = this->do_parse(ctx.begin(), ctx.end()); + // basic_string_view<>::compare isn't constexpr before C++17. + if (specs.size() == 2 && specs[0] == Char('%')) { + if (specs[1] == Char('F')) + spec_ = spec::year_month_day; + else if (specs[1] == Char('T')) + spec_ = spec::hh_mm_ss; + } + return end; + } + + template + auto format(const std::tm& tm, FormatContext& ctx) const + -> decltype(ctx.out()) { + const auto loc_ref = ctx.locale(); + detail::get_locale loc(static_cast(loc_ref), loc_ref); + auto w = detail::tm_writer(loc, ctx.out(), tm); + if (spec_ == spec::year_month_day) + w.on_iso_date(); + else if (spec_ == spec::hh_mm_ss) + w.on_iso_time(); + else + detail::parse_chrono_format(specs.begin(), specs.end(), w); + return w.out(); + } }; FMT_MODULE_EXPORT_END diff --git a/src/spdlog/fmt/bundled/color.h b/src/spdlog/fmt/bundled/color.h index cb6d54e7..4c163277 100644 --- a/src/spdlog/fmt/bundled/color.h +++ b/src/spdlog/fmt/bundled/color.h @@ -14,504 +14,482 @@ FMT_BEGIN_NAMESPACE FMT_MODULE_EXPORT_BEGIN 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 + 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 + 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, - faint = 1 << 1, - italic = 1 << 2, - underline = 1 << 3, - blink = 1 << 4, - reverse = 1 << 5, - conceal = 1 << 6, - strikethrough = 1 << 7, + bold = 1, + faint = 1 << 1, + italic = 1 << 2, + underline = 1 << 3, + blink = 1 << 4, + reverse = 1 << 5, + conceal = 1 << 6, + strikethrough = 1 << 7, }; // 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; + 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; }; FMT_BEGIN_DETAIL_NAMESPACE // color is a struct of either a rgb color or a terminal color. struct color_type { - FMT_CONSTEXPR color_type() noexcept - : is_rgb(), value{} { - } - FMT_CONSTEXPR color_type(color rgb_color) noexcept - : is_rgb(true), value{} { - value.rgb_color = static_cast(rgb_color); - } - FMT_CONSTEXPR color_type(rgb rgb_color) 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) 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; + FMT_CONSTEXPR color_type() noexcept : is_rgb(), value{} {} + FMT_CONSTEXPR color_type(color rgb_color) noexcept : is_rgb(true), value{} { + value.rgb_color = static_cast(rgb_color); + } + FMT_CONSTEXPR color_type(rgb rgb_color) 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) 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; }; FMT_END_DETAIL_NAMESPACE /** A text style consisting of foreground and background colors and emphasis. */ class text_style { -public: - FMT_CONSTEXPR text_style(emphasis em = emphasis()) noexcept - : set_foreground_color(), set_background_color(), ems(em) { + public: + FMT_CONSTEXPR text_style(emphasis em = emphasis()) 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; } - 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; + 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; } - friend FMT_CONSTEXPR text_style operator|(text_style lhs, - const text_style &rhs) { - return lhs |= rhs; - } - - FMT_CONSTEXPR bool has_foreground() const noexcept { - return set_foreground_color; - } - FMT_CONSTEXPR bool has_background() const noexcept { - return set_background_color; - } - FMT_CONSTEXPR bool has_emphasis() const noexcept { - return static_cast(ems) != 0; - } - FMT_CONSTEXPR detail::color_type get_foreground() const noexcept { - FMT_ASSERT(has_foreground(), "no foreground specified for this style"); - return foreground_color; - } - FMT_CONSTEXPR detail::color_type get_background() const noexcept { - FMT_ASSERT(has_background(), "no background specified for this style"); - return background_color; - } - FMT_CONSTEXPR emphasis get_emphasis() const noexcept { - FMT_ASSERT(has_emphasis(), "no emphasis specified for this style"); - return ems; - } - -private: - FMT_CONSTEXPR text_style(bool is_foreground, - detail::color_type text_color) 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; - } + 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 noexcept { + return set_foreground_color; + } + FMT_CONSTEXPR bool has_background() const noexcept { + return set_background_color; + } + FMT_CONSTEXPR bool has_emphasis() const noexcept { + return static_cast(ems) != 0; + } + FMT_CONSTEXPR detail::color_type get_foreground() const noexcept { + FMT_ASSERT(has_foreground(), "no foreground specified for this style"); + return foreground_color; + } + FMT_CONSTEXPR detail::color_type get_background() const noexcept { + FMT_ASSERT(has_background(), "no background specified for this style"); + return background_color; + } + FMT_CONSTEXPR emphasis get_emphasis() const noexcept { + FMT_ASSERT(has_emphasis(), "no emphasis specified for this style"); + return ems; + } + + private: + FMT_CONSTEXPR text_style(bool is_foreground, + detail::color_type text_color) 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 text_style fg(detail::color_type foreground) noexcept; + friend FMT_CONSTEXPR text_style fg(detail::color_type foreground) noexcept; - friend FMT_CONSTEXPR text_style bg(detail::color_type background) noexcept; + friend FMT_CONSTEXPR text_style bg(detail::color_type background) noexcept; - detail::color_type foreground_color; - detail::color_type background_color; - bool set_foreground_color; - bool set_background_color; - emphasis ems; + detail::color_type foreground_color; + detail::color_type background_color; + bool set_foreground_color; + bool set_background_color; + emphasis ems; }; /** Creates a text style from the foreground (text) color. */ FMT_CONSTEXPR inline text_style fg(detail::color_type foreground) noexcept { - return text_style(true, foreground); + return text_style(true, foreground); } /** Creates a text style from the background color. */ FMT_CONSTEXPR inline text_style bg(detail::color_type background) noexcept { - return text_style(false, background); + return text_style(false, background); } FMT_CONSTEXPR inline text_style operator|(emphasis lhs, emphasis rhs) noexcept { - return text_style(lhs) | rhs; + return text_style(lhs) | rhs; } FMT_BEGIN_DETAIL_NAMESPACE -template -struct ansi_color_escape { - FMT_CONSTEXPR ansi_color_escape(detail::color_type text_color, - const char *esc) noexcept { - // If we have a terminal color, we need to output another escape code - // sequence. - if (!text_color.is_rgb) { - bool is_background = esc == string_view("\x1b[48;2;"); - 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; - - 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) noexcept { - uint8_t em_codes[num_emphases] = {}; - if (has_emphasis(em, emphasis::bold)) em_codes[0] = 1; - if (has_emphasis(em, emphasis::faint)) em_codes[1] = 2; - if (has_emphasis(em, emphasis::italic)) em_codes[2] = 3; - if (has_emphasis(em, emphasis::underline)) em_codes[3] = 4; - if (has_emphasis(em, emphasis::blink)) em_codes[4] = 5; - if (has_emphasis(em, emphasis::reverse)) em_codes[5] = 7; - if (has_emphasis(em, emphasis::conceal)) em_codes[6] = 8; - if (has_emphasis(em, emphasis::strikethrough)) em_codes[7] = 9; - - size_t index = 0; - for (size_t i = 0; i < num_emphases; ++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 noexcept { - return buffer; +template struct ansi_color_escape { + FMT_CONSTEXPR ansi_color_escape(detail::color_type text_color, + const char* esc) noexcept { + // If we have a terminal color, we need to output another escape code + // sequence. + if (!text_color.is_rgb) { + bool is_background = esc == string_view("\x1b[48;2;"); + 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; + + 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; } - FMT_CONSTEXPR const Char *begin() const noexcept { - return buffer; + for (int i = 0; i < 7; i++) { + buffer[i] = static_cast(esc[i]); } - FMT_CONSTEXPR_CHAR_TRAITS const Char *end() const noexcept { - return buffer + std::char_traits::length(buffer); - } - -private: - static constexpr size_t num_emphases = 8; - Char buffer[7u + 3u * num_emphases + 1u]; - - static FMT_CONSTEXPR void to_esc(uint8_t c, Char *out, - char delimiter) 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); - } - static FMT_CONSTEXPR bool has_emphasis(emphasis em, emphasis mask) noexcept { - return static_cast(em) & static_cast(mask); + 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) noexcept { + uint8_t em_codes[num_emphases] = {}; + if (has_emphasis(em, emphasis::bold)) em_codes[0] = 1; + if (has_emphasis(em, emphasis::faint)) em_codes[1] = 2; + if (has_emphasis(em, emphasis::italic)) em_codes[2] = 3; + if (has_emphasis(em, emphasis::underline)) em_codes[3] = 4; + if (has_emphasis(em, emphasis::blink)) em_codes[4] = 5; + if (has_emphasis(em, emphasis::reverse)) em_codes[5] = 7; + if (has_emphasis(em, emphasis::conceal)) em_codes[6] = 8; + if (has_emphasis(em, emphasis::strikethrough)) em_codes[7] = 9; + + size_t index = 0; + for (size_t i = 0; i < num_emphases; ++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 noexcept { return buffer; } + + FMT_CONSTEXPR const Char* begin() const noexcept { return buffer; } + FMT_CONSTEXPR_CHAR_TRAITS const Char* end() const noexcept { + return buffer + std::char_traits::length(buffer); + } + + private: + static constexpr size_t num_emphases = 8; + Char buffer[7u + 3u * num_emphases + 1u]; + + static FMT_CONSTEXPR void to_esc(uint8_t c, Char* out, + char delimiter) 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); + } + static FMT_CONSTEXPR bool has_emphasis(emphasis em, emphasis mask) noexcept { + return static_cast(em) & static_cast(mask); + } }; -template +template FMT_CONSTEXPR ansi_color_escape make_foreground_color( detail::color_type foreground) noexcept { - return ansi_color_escape(foreground, "\x1b[38;2;"); + return ansi_color_escape(foreground, "\x1b[38;2;"); } -template +template FMT_CONSTEXPR ansi_color_escape make_background_color( detail::color_type background) noexcept { - return ansi_color_escape(background, "\x1b[48;2;"); + return ansi_color_escape(background, "\x1b[48;2;"); } -template +template FMT_CONSTEXPR ansi_color_escape make_emphasis(emphasis em) noexcept { - return ansi_color_escape(em); + return ansi_color_escape(em); } -template -inline void fputs(const Char *chars, FILE *stream) { - int result = std::fputs(chars, stream); - if (result < 0) - FMT_THROW(system_error(errno, FMT_STRING("cannot write to file"))); +template inline void fputs(const Char* chars, FILE* stream) { + int result = std::fputs(chars, stream); + if (result < 0) + FMT_THROW(system_error(errno, FMT_STRING("cannot write to file"))); } -template<> -inline void fputs(const wchar_t *chars, FILE *stream) { - int result = std::fputws(chars, stream); - if (result < 0) - FMT_THROW(system_error(errno, FMT_STRING("cannot write to file"))); +template <> inline void fputs(const wchar_t* chars, FILE* stream) { + int result = std::fputws(chars, stream); + if (result < 0) + FMT_THROW(system_error(errno, FMT_STRING("cannot write to file"))); } -template -inline void reset_color(FILE *stream) { - fputs("\x1b[0m", stream); +template inline void reset_color(FILE* stream) { + fputs("\x1b[0m", stream); } -template<> -inline void reset_color(FILE *stream) { - fputs(L"\x1b[0m", stream); +template <> inline void reset_color(FILE* stream) { + fputs(L"\x1b[0m", stream); } -template -inline void reset_color(buffer &buffer) { - auto reset_color = string_view("\x1b[0m"); - buffer.append(reset_color.begin(), reset_color.end()); +template inline void reset_color(buffer& buffer) { + auto reset_color = string_view("\x1b[0m"); + buffer.append(reset_color.begin(), reset_color.end()); } -template -struct styled_arg { - const T &value; - text_style style; +template struct styled_arg { + const T& value; + text_style style; }; -template -void vformat_to(buffer &buf, const text_style &ts, +template +void vformat_to(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 = detail::make_emphasis(ts.get_emphasis()); - buf.append(emphasis.begin(), emphasis.end()); - } - if (ts.has_foreground()) { - has_style = true; - auto foreground = detail::make_foreground_color(ts.get_foreground()); - buf.append(foreground.begin(), foreground.end()); - } - if (ts.has_background()) { - has_style = true; - auto background = detail::make_background_color(ts.get_background()); - buf.append(background.begin(), background.end()); - } - detail::vformat_to(buf, format_str, args, {}); - if (has_style) detail::reset_color(buf); + bool has_style = false; + if (ts.has_emphasis()) { + has_style = true; + auto emphasis = detail::make_emphasis(ts.get_emphasis()); + buf.append(emphasis.begin(), emphasis.end()); + } + if (ts.has_foreground()) { + has_style = true; + auto foreground = detail::make_foreground_color(ts.get_foreground()); + buf.append(foreground.begin(), foreground.end()); + } + if (ts.has_background()) { + has_style = true; + auto background = detail::make_background_color(ts.get_background()); + buf.append(background.begin(), background.end()); + } + detail::vformat_to(buf, format_str, args, {}); + if (has_style) detail::reset_color(buf); } FMT_END_DETAIL_NAMESPACE -template> -void vprint(std::FILE *f, const text_style &ts, const S &format, +template > +void vprint(std::FILE* f, const text_style& ts, const S& format, basic_format_args>> args) { - basic_memory_buffer buf; - detail::vformat_to(buf, ts, detail::to_string_view(format), args); - if (detail::is_utf8()) { - detail::print(f, basic_string_view(buf.begin(), buf.size())); - } else { - buf.push_back(Char(0)); - detail::fputs(buf.data(), f); - } + basic_memory_buffer buf; + detail::vformat_to(buf, ts, detail::to_string_view(format), args); + if (detail::is_utf8()) { + detail::print(f, basic_string_view(buf.begin(), buf.size())); + } else { + buf.push_back(Char(0)); + detail::fputs(buf.data(), f); + } } /** @@ -525,12 +503,12 @@ void vprint(std::FILE *f, const text_style &ts, const S &format, "Elapsed time: {0:.2f} seconds", 1.23); \endrst */ -template::value)> -void print(std::FILE *f, const text_style &ts, const S &format_str, - const Args &...args) { - vprint(f, ts, format_str, - fmt::make_format_args>>(args...)); +template ::value)> +void print(std::FILE* f, const text_style& ts, const S& format_str, + const Args&... args) { + vprint(f, ts, format_str, + fmt::make_format_args>>(args...)); } /** @@ -544,19 +522,19 @@ void print(std::FILE *f, const text_style &ts, const S &format_str, "Elapsed time: {0:.2f} seconds", 1.23); \endrst */ -template::value)> -void print(const text_style &ts, const S &format_str, const Args &...args) { - return print(stdout, ts, format_str, args...); +template ::value)> +void print(const text_style& ts, const S& format_str, const Args&... args) { + return print(stdout, ts, format_str, args...); } -template> +template > inline std::basic_string vformat( - const text_style &ts, const S &format_str, + const text_style& ts, const S& format_str, basic_format_args>> args) { - basic_memory_buffer buf; - detail::vformat_to(buf, ts, detail::to_string_view(format_str), args); - return fmt::to_string(buf); + basic_memory_buffer buf; + detail::vformat_to(buf, ts, detail::to_string_view(format_str), args); + return fmt::to_string(buf); } /** @@ -571,24 +549,24 @@ inline std::basic_string vformat( "The answer is {}", 42); \endrst */ -template> -inline std::basic_string format(const text_style &ts, const S &format_str, - const Args &...args) { - return fmt::vformat(ts, detail::to_string_view(format_str), - fmt::make_format_args>(args...)); +template > +inline std::basic_string format(const text_style& ts, const S& format_str, + const Args&... args) { + return fmt::vformat(ts, detail::to_string_view(format_str), + fmt::make_format_args>(args...)); } /** Formats a string with the given text_style and writes the output to ``out``. */ -template::value)> +template ::value)> OutputIt vformat_to( - OutputIt out, const text_style &ts, basic_string_view format_str, + OutputIt out, const text_style& ts, basic_string_view format_str, basic_format_args>> args) { - auto &&buf = detail::get_buffer(out); - detail::vformat_to(buf, ts, format_str, args); - return detail::get_iterator(buf); + auto&& buf = detail::get_buffer(out); + detail::vformat_to(buf, ts, format_str, args); + return detail::get_iterator(buf); } /** @@ -603,50 +581,50 @@ OutputIt vformat_to( fmt::emphasis::bold | fg(fmt::color::red), "{}", 42); \endrst */ -template>::value && - detail::is_string::value> -inline auto format_to(OutputIt out, const text_style &ts, const S &format_str, - Args &&...args) -> +template >::value&& + detail::is_string::value> +inline auto format_to(OutputIt out, const text_style& ts, const S& format_str, + Args&&... args) -> typename std::enable_if::type { - return vformat_to(out, ts, detail::to_string_view(format_str), - fmt::make_format_args>>(args...)); + return vformat_to(out, ts, detail::to_string_view(format_str), + fmt::make_format_args>>(args...)); } -template +template struct formatter, Char> : formatter { - template - auto format(const detail::styled_arg &arg, FormatContext &ctx) const - -> decltype(ctx.out()) { - const auto &ts = arg.style; - const auto &value = arg.value; - auto out = ctx.out(); - - bool has_style = false; - if (ts.has_emphasis()) { - has_style = true; - auto emphasis = detail::make_emphasis(ts.get_emphasis()); - out = std::copy(emphasis.begin(), emphasis.end(), out); - } - if (ts.has_foreground()) { - has_style = true; - auto foreground = - detail::make_foreground_color(ts.get_foreground()); - out = std::copy(foreground.begin(), foreground.end(), out); - } - if (ts.has_background()) { - has_style = true; - auto background = - detail::make_background_color(ts.get_background()); - out = std::copy(background.begin(), background.end(), out); - } - out = formatter::format(value, ctx); - if (has_style) { - auto reset_color = string_view("\x1b[0m"); - out = std::copy(reset_color.begin(), reset_color.end(), out); - } - return out; + template + auto format(const detail::styled_arg& arg, FormatContext& ctx) const + -> decltype(ctx.out()) { + const auto& ts = arg.style; + const auto& value = arg.value; + auto out = ctx.out(); + + bool has_style = false; + if (ts.has_emphasis()) { + has_style = true; + auto emphasis = detail::make_emphasis(ts.get_emphasis()); + out = std::copy(emphasis.begin(), emphasis.end(), out); + } + if (ts.has_foreground()) { + has_style = true; + auto foreground = + detail::make_foreground_color(ts.get_foreground()); + out = std::copy(foreground.begin(), foreground.end(), out); + } + if (ts.has_background()) { + has_style = true; + auto background = + detail::make_background_color(ts.get_background()); + out = std::copy(background.begin(), background.end(), out); + } + out = formatter::format(value, ctx); + if (has_style) { + auto reset_color = string_view("\x1b[0m"); + out = std::copy(reset_color.begin(), reset_color.end(), out); } + return out; + } }; /** @@ -661,10 +639,10 @@ struct formatter, Char> : formatter { fmt::bg(fmt::color::blue))); \endrst */ -template -FMT_CONSTEXPR auto styled(const T &value, text_style ts) +template +FMT_CONSTEXPR auto styled(const T& value, text_style ts) -> detail::styled_arg> { - return detail::styled_arg>{value, ts}; + return detail::styled_arg>{value, ts}; } FMT_MODULE_EXPORT_END diff --git a/src/spdlog/fmt/bundled/compile.h b/src/spdlog/fmt/bundled/compile.h index fb2d6755..933668c4 100644 --- a/src/spdlog/fmt/bundled/compile.h +++ b/src/spdlog/fmt/bundled/compile.h @@ -13,111 +13,94 @@ FMT_BEGIN_NAMESPACE namespace detail { -template +template FMT_CONSTEXPR inline counting_iterator copy_str(InputIt begin, InputIt end, counting_iterator it) { - return it + (end - begin); + return it + (end - begin); } -template -class truncating_iterator_base { -protected: - OutputIt out_; - size_t limit_; - size_t count_ = 0; +template class truncating_iterator_base { + protected: + OutputIt out_; + size_t limit_; + size_t count_ = 0; - truncating_iterator_base() - : out_(), limit_(0) { - } + truncating_iterator_base() : out_(), limit_(0) {} - truncating_iterator_base(OutputIt out, size_t limit) - : out_(out), limit_(limit) { - } + truncating_iterator_base(OutputIt out, size_t limit) + : out_(out), limit_(limit) {} -public: - using iterator_category = std::output_iterator_tag; - using value_type = typename std::iterator_traits::value_type; - using difference_type = std::ptrdiff_t; - using pointer = void; - using reference = void; - FMT_UNCHECKED_ITERATOR(truncating_iterator_base); + public: + using iterator_category = std::output_iterator_tag; + using value_type = typename std::iterator_traits::value_type; + using difference_type = std::ptrdiff_t; + using pointer = void; + using reference = void; + FMT_UNCHECKED_ITERATOR(truncating_iterator_base); - OutputIt base() const { - return out_; - } - size_t count() const { - return count_; - } + OutputIt base() const { return out_; } + 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> +template ::value_type>::type> class truncating_iterator; -template +template class truncating_iterator : public truncating_iterator_base { - mutable typename truncating_iterator_base::value_type blackhole_; + mutable typename truncating_iterator_base::value_type blackhole_; -public: - using value_type = typename truncating_iterator_base::value_type; + public: + using value_type = typename truncating_iterator_base::value_type; - truncating_iterator() = default; + truncating_iterator() = default; - truncating_iterator(OutputIt out, size_t limit) - : truncating_iterator_base(out, limit) { - } + truncating_iterator(OutputIt out, size_t limit) + : truncating_iterator_base(out, limit) {} - truncating_iterator &operator++() { - if (this->count_++ < this->limit_) ++this->out_; - return *this; - } + truncating_iterator& operator++() { + if (this->count_++ < this->limit_) ++this->out_; + return *this; + } - truncating_iterator operator++(int) { - auto it = *this; - ++*this; - return it; - } + truncating_iterator operator++(int) { + auto it = *this; + ++*this; + return it; + } - value_type &operator*() const { - return this->count_ < this->limit_ ? *this->out_ : blackhole_; - } + value_type& operator*() const { + return this->count_ < this->limit_ ? *this->out_ : blackhole_; + } }; -template +template class truncating_iterator : public truncating_iterator_base { -public: - truncating_iterator() = default; + public: + truncating_iterator() = default; - truncating_iterator(OutputIt out, size_t limit) - : truncating_iterator_base(out, limit) { - } + truncating_iterator(OutputIt out, size_t limit) + : truncating_iterator_base(out, limit) {} - template - truncating_iterator &operator=(T val) { - if (this->count_++ < this->limit_) *this->out_++ = val; - return *this; - } + 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; - } + truncating_iterator& operator++() { return *this; } + truncating_iterator& operator++(int) { return *this; } + truncating_iterator& operator*() { return *this; } }; // A compile-time string which is compiled into fast formatting code. class compiled_string {}; -template +template struct is_compiled_string : std::is_base_of {}; /** @@ -134,400 +117,386 @@ struct is_compiled_string : std::is_base_of {}; \endrst */ #if defined(__cpp_if_constexpr) && defined(__cpp_return_type_deduction) -#define FMT_COMPILE(s) \ +# define FMT_COMPILE(s) \ FMT_STRING_IMPL(s, fmt::detail::compiled_string, explicit) #else -#define FMT_COMPILE(s) FMT_STRING(s) +# define FMT_COMPILE(s) FMT_STRING(s) #endif #if FMT_USE_NONTYPE_TEMPLATE_ARGS -template Str> +template Str> struct udl_compiled_string : compiled_string { - using char_type = Char; - explicit constexpr operator basic_string_view() const { - return {Str.data, N - 1}; - } + using char_type = Char; + explicit constexpr operator basic_string_view() const { + return {Str.data, N - 1}; + } }; #endif -template -const T &first(const T &value, const Tail &...) { - return value; +template +const T& first(const T& value, const Tail&...) { + return value; } #if defined(__cpp_if_constexpr) && defined(__cpp_return_type_deduction) -template -struct type_list {}; +template struct type_list {}; // Returns a reference to the argument at index N from [first, rest...]. -template -constexpr const auto &get([[maybe_unused]] const T &first, - [[maybe_unused]] const Args &...rest) { - static_assert(N < 1 + sizeof...(Args), "index is out of bounds"); - if constexpr (N == 0) - return first; - else - return detail::get(rest...); +template +constexpr const auto& get([[maybe_unused]] const T& first, + [[maybe_unused]] const Args&... rest) { + static_assert(N < 1 + sizeof...(Args), "index is out of bounds"); + if constexpr (N == 0) + return first; + else + return detail::get(rest...); } -template +template constexpr int get_arg_index_by_name(basic_string_view name, type_list) { - return get_arg_index_by_name(name); + return get_arg_index_by_name(name); } -template -struct get_type_impl; +template struct get_type_impl; -template -struct get_type_impl> { - using type = - remove_cvref_t(std::declval()...))>; +template struct get_type_impl> { + using type = + remove_cvref_t(std::declval()...))>; }; -template +template using get_type = typename get_type_impl::type; -template -struct is_compiled_format : std::false_type {}; +template struct is_compiled_format : std::false_type {}; -template -struct text { - basic_string_view data; - using char_type = Char; +template struct text { + basic_string_view data; + using char_type = Char; - template - constexpr OutputIt format(OutputIt out, const Args &...) const { - return write(out, data); - } + template + constexpr OutputIt format(OutputIt out, const Args&...) const { + return write(out, data); + } }; -template +template struct is_compiled_format> : std::true_type {}; -template +template constexpr text make_text(basic_string_view s, size_t pos, size_t size) { - return {{&s[pos], size}}; + return {{&s[pos], size}}; } -template -struct code_unit { - Char value; - using char_type = Char; +template struct code_unit { + Char value; + using char_type = Char; - template - constexpr OutputIt format(OutputIt out, const Args &...) const { - return write(out, value); - } + template + constexpr OutputIt format(OutputIt out, const Args&...) const { + return write(out, value); + } }; // This ensures that the argument type is convertible to `const T&`. -template -constexpr const T &get_arg_checked(const Args &...args) { - const auto &arg = detail::get(args...); - if constexpr (detail::is_named_arg>()) { - return arg.value; - } else { - return arg; - } +template +constexpr const T& get_arg_checked(const Args&... args) { + const auto& arg = detail::get(args...); + if constexpr (detail::is_named_arg>()) { + return arg.value; + } else { + return arg; + } } -template +template struct is_compiled_format> : std::true_type {}; // A replacement field that refers to argument N. -template -struct field { - using char_type = Char; +template struct field { + using char_type = Char; - template - constexpr OutputIt format(OutputIt out, const Args &...args) const { - return write(out, get_arg_checked(args...)); - } + template + constexpr OutputIt format(OutputIt out, const Args&... args) const { + return write(out, get_arg_checked(args...)); + } }; -template +template struct is_compiled_format> : std::true_type {}; // A replacement field that refers to argument with name. -template -struct runtime_named_field { - using char_type = Char; - basic_string_view name; - - template - constexpr static bool try_format_argument( - OutputIt &out, - // [[maybe_unused]] due to unused-but-set-parameter warning in GCC 7,8,9 - [[maybe_unused]] basic_string_view arg_name, const T &arg) { - if constexpr (is_named_arg::type>::value) { - if (arg_name == arg.name) { - out = write(out, arg.value); - return true; - } - } - return false; - } - - template - constexpr OutputIt format(OutputIt out, const Args &...args) const { - bool found = (try_format_argument(out, name, args) || ...); - if (!found) { - FMT_THROW(format_error("argument with specified name is not found")); - } - return out; - } +template struct runtime_named_field { + using char_type = Char; + basic_string_view name; + + template + constexpr static bool try_format_argument( + OutputIt& out, + // [[maybe_unused]] due to unused-but-set-parameter warning in GCC 7,8,9 + [[maybe_unused]] basic_string_view arg_name, const T& arg) { + if constexpr (is_named_arg::type>::value) { + if (arg_name == arg.name) { + out = write(out, arg.value); + return true; + } + } + return false; + } + + template + constexpr OutputIt format(OutputIt out, const Args&... args) const { + bool found = (try_format_argument(out, name, args) || ...); + if (!found) { + FMT_THROW(format_error("argument with specified name is not found")); + } + return out; + } }; -template +template struct is_compiled_format> : std::true_type {}; // A replacement field that refers to argument N and has format specifiers. -template -struct spec_field { - using char_type = Char; - formatter fmt; - - template - constexpr FMT_INLINE OutputIt format(OutputIt out, - const Args &...args) const { - const auto &vargs = - fmt::make_format_args>(args...); - basic_format_context ctx(out, vargs); - return fmt.format(get_arg_checked(args...), ctx); - } +template struct spec_field { + using char_type = Char; + formatter fmt; + + template + constexpr FMT_INLINE OutputIt format(OutputIt out, + const Args&... args) const { + const auto& vargs = + fmt::make_format_args>(args...); + basic_format_context ctx(out, vargs); + return fmt.format(get_arg_checked(args...), ctx); + } }; -template +template struct is_compiled_format> : std::true_type {}; -template -struct concat { - L lhs; - R rhs; - using char_type = typename L::char_type; +template struct concat { + L lhs; + R rhs; + using char_type = typename L::char_type; - template - constexpr OutputIt format(OutputIt out, const Args &...args) const { - out = lhs.format(out, args...); - return rhs.format(out, args...); - } + template + constexpr OutputIt format(OutputIt out, const Args&... args) const { + out = lhs.format(out, args...); + return rhs.format(out, args...); + } }; -template +template struct is_compiled_format> : std::true_type {}; -template +template constexpr concat make_concat(L lhs, R rhs) { - return {lhs, rhs}; + return {lhs, rhs}; } struct unknown_format {}; -template +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; + for (size_t size = str.size(); pos != size; ++pos) { + if (str[pos] == '{' || str[pos] == '}') break; + } + return pos; } -template +template constexpr auto compile_format_string(S format_str); -template +template constexpr auto parse_tail(T head, S format_str) { - if constexpr (POS != - basic_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; - } + if constexpr (POS != + basic_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; + } } -template -struct parse_specs_result { - formatter fmt; - size_t end; - int next_arg_id; +template struct parse_specs_result { + formatter fmt; + size_t end; + int next_arg_id; }; constexpr int manual_indexing_id = -1; -template +template constexpr parse_specs_result parse_specs(basic_string_view str, size_t pos, int next_arg_id) { - str.remove_prefix(pos); - auto ctx = compile_parse_context(str, max_value(), nullptr, {}, - next_arg_id); - auto f = formatter(); - auto end = f.parse(ctx); - return {f, pos + fmt::detail::to_unsigned(end - str.data()), - next_arg_id == 0 ? manual_indexing_id : ctx.next_arg_id()}; + str.remove_prefix(pos); + auto ctx = compile_parse_context(str, max_value(), nullptr, {}, + next_arg_id); + auto f = formatter(); + auto end = f.parse(ctx); + return {f, pos + fmt::detail::to_unsigned(end - str.data()), + next_arg_id == 0 ? manual_indexing_id : ctx.next_arg_id()}; } -template -struct arg_id_handler { - arg_ref arg_id; - - constexpr int operator()() { - FMT_ASSERT(false, "handler cannot be used with automatic indexing"); - return 0; - } - constexpr int operator()(int id) { - arg_id = arg_ref(id); - return 0; - } - constexpr int operator()(basic_string_view id) { - arg_id = arg_ref(id); - return 0; - } - - constexpr void on_error(const char *message) { - FMT_THROW(format_error(message)); - } +template struct arg_id_handler { + arg_ref arg_id; + + constexpr int operator()() { + FMT_ASSERT(false, "handler cannot be used with automatic indexing"); + return 0; + } + constexpr int operator()(int id) { + arg_id = arg_ref(id); + return 0; + } + constexpr int operator()(basic_string_view id) { + arg_id = arg_ref(id); + return 0; + } + + constexpr void on_error(const char* message) { + FMT_THROW(format_error(message)); + } }; -template -struct parse_arg_id_result { - arg_ref arg_id; - const Char *arg_id_end; +template struct parse_arg_id_result { + arg_ref arg_id; + const Char* arg_id_end; }; -template -constexpr auto parse_arg_id(const Char *begin, const Char *end) { - auto handler = arg_id_handler{arg_ref{}}; - auto arg_id_end = parse_arg_id(begin, end, handler); - return parse_arg_id_result{handler.arg_id, arg_id_end}; +template +constexpr auto parse_arg_id(const Char* begin, const Char* end) { + auto handler = arg_id_handler{arg_ref{}}; + auto arg_id_end = parse_arg_id(begin, end, handler); + return parse_arg_id_result{handler.arg_id, arg_id_end}; } -template -struct field_type { - using type = remove_cvref_t; +template struct field_type { + using type = remove_cvref_t; }; -template +template struct field_type::value>> { - using type = remove_cvref_t; + using type = remove_cvref_t; }; -template +template constexpr auto parse_replacement_field_then_tail(S format_str) { - using char_type = typename S::char_type; - constexpr auto str = basic_string_view(format_str); - constexpr char_type c = END_POS != str.size() ? str[END_POS] : char_type(); - if constexpr (c == '}') { - return parse_tail( - field::type, ARG_INDEX>(), - format_str); - } else if constexpr (c != ':') { - FMT_THROW(format_error("expected ':'")); + using char_type = typename S::char_type; + constexpr auto str = basic_string_view(format_str); + constexpr char_type c = END_POS != str.size() ? str[END_POS] : char_type(); + if constexpr (c == '}') { + return parse_tail( + field::type, ARG_INDEX>(), + format_str); + } else if constexpr (c != ':') { + FMT_THROW(format_error("expected ':'")); + } else { + constexpr auto result = parse_specs::type>( + str, END_POS + 1, NEXT_ID == manual_indexing_id ? 0 : NEXT_ID); + if constexpr (result.end >= str.size() || str[result.end] != '}') { + FMT_THROW(format_error("expected '}'")); + return 0; } else { - constexpr auto result = parse_specs::type>( - str, END_POS + 1, NEXT_ID == manual_indexing_id ? 0 : NEXT_ID); - if constexpr (result.end >= str.size() || str[result.end] != '}') { - FMT_THROW(format_error("expected '}'")); - return 0; - } else { - return parse_tail( - spec_field::type, ARG_INDEX>{ - result.fmt}, - format_str); - } + return parse_tail( + spec_field::type, ARG_INDEX>{ + result.fmt}, + format_str); } + } } // Compiles a non-empty format string and returns the compiled representation // or unknown_format() on unrecognized input. -template +template constexpr auto compile_format_string(S format_str) { - using char_type = typename S::char_type; - constexpr auto str = basic_string_view(format_str); - if constexpr (str[POS] == '{') { - if constexpr (POS + 1 == str.size()) - FMT_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] == '}' || str[POS + 1] == ':') { - static_assert(ID != manual_indexing_id, - "cannot switch from manual to automatic argument indexing"); - constexpr auto next_id = - ID != manual_indexing_id ? ID + 1 : manual_indexing_id; - return parse_replacement_field_then_tail, Args, - POS + 1, ID, next_id>( - format_str); - } else { - constexpr auto arg_id_result = - parse_arg_id(str.data() + POS + 1, str.data() + str.size()); - constexpr auto arg_id_end_pos = arg_id_result.arg_id_end - str.data(); - constexpr char_type c = - arg_id_end_pos != str.size() ? str[arg_id_end_pos] : char_type(); - static_assert(c == '}' || c == ':', "missing '}' in format string"); - if constexpr (arg_id_result.arg_id.kind == arg_id_kind::index) { - static_assert( - ID == manual_indexing_id || ID == 0, - "cannot switch from automatic to manual argument indexing"); - constexpr auto arg_index = arg_id_result.arg_id.val.index; - return parse_replacement_field_then_tail, - Args, arg_id_end_pos, - arg_index, manual_indexing_id>( - format_str); - } else if constexpr (arg_id_result.arg_id.kind == arg_id_kind::name) { - constexpr auto arg_index = - get_arg_index_by_name(arg_id_result.arg_id.val.name, Args{}); - if constexpr (arg_index != invalid_arg_index) { - constexpr auto next_id = - ID != manual_indexing_id ? ID + 1 : manual_indexing_id; - return parse_replacement_field_then_tail< - decltype(get_type::value), Args, arg_id_end_pos, - arg_index, next_id>(format_str); - } else { - if constexpr (c == '}') { - return parse_tail( - runtime_named_field{arg_id_result.arg_id.val.name}, - format_str); - } else if constexpr (c == ':') { - return unknown_format(); // no type info for specs parsing - } - } - } - } - } else if constexpr (str[POS] == '}') { - if constexpr (POS + 1 == str.size()) - FMT_THROW(format_error("unmatched '}' in format string")); - return parse_tail(make_text(str, POS, 1), format_str); + using char_type = typename S::char_type; + constexpr auto str = basic_string_view(format_str); + if constexpr (str[POS] == '{') { + if constexpr (POS + 1 == str.size()) + FMT_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] == '}' || str[POS + 1] == ':') { + static_assert(ID != manual_indexing_id, + "cannot switch from manual to automatic argument indexing"); + constexpr auto next_id = + ID != manual_indexing_id ? ID + 1 : manual_indexing_id; + return parse_replacement_field_then_tail, Args, + POS + 1, ID, next_id>( + format_str); } else { - constexpr auto end = parse_text(str, POS + 1); - if constexpr (end - POS > 1) { - return parse_tail(make_text(str, POS, end - POS), - format_str); + constexpr auto arg_id_result = + parse_arg_id(str.data() + POS + 1, str.data() + str.size()); + constexpr auto arg_id_end_pos = arg_id_result.arg_id_end - str.data(); + constexpr char_type c = + arg_id_end_pos != str.size() ? str[arg_id_end_pos] : char_type(); + static_assert(c == '}' || c == ':', "missing '}' in format string"); + if constexpr (arg_id_result.arg_id.kind == arg_id_kind::index) { + static_assert( + ID == manual_indexing_id || ID == 0, + "cannot switch from automatic to manual argument indexing"); + constexpr auto arg_index = arg_id_result.arg_id.val.index; + return parse_replacement_field_then_tail, + Args, arg_id_end_pos, + arg_index, manual_indexing_id>( + format_str); + } else if constexpr (arg_id_result.arg_id.kind == arg_id_kind::name) { + constexpr auto arg_index = + get_arg_index_by_name(arg_id_result.arg_id.val.name, Args{}); + if constexpr (arg_index != invalid_arg_index) { + constexpr auto next_id = + ID != manual_indexing_id ? ID + 1 : manual_indexing_id; + return parse_replacement_field_then_tail< + decltype(get_type::value), Args, arg_id_end_pos, + arg_index, next_id>(format_str); } else { - return parse_tail(code_unit{str[POS]}, - format_str); + if constexpr (c == '}') { + return parse_tail( + runtime_named_field{arg_id_result.arg_id.val.name}, + format_str); + } else if constexpr (c == ':') { + return unknown_format(); // no type info for specs parsing + } } + } + } + } else if constexpr (str[POS] == '}') { + if constexpr (POS + 1 == str.size()) + FMT_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); + if constexpr (end - POS > 1) { + return parse_tail(make_text(str, POS, end - POS), + format_str); + } else { + return parse_tail(code_unit{str[POS]}, + format_str); } + } } -template::value)> +template ::value)> constexpr auto compile(S format_str) { - constexpr auto str = basic_string_view(format_str); - if constexpr (str.size() == 0) { - return detail::make_text(str, 0, 0); - } else { - constexpr auto result = - detail::compile_format_string, 0, 0>( - format_str); - return result; - } + constexpr auto str = basic_string_view(format_str); + if constexpr (str.size() == 0) { + return detail::make_text(str, 0, 0); + } else { + constexpr auto result = + detail::compile_format_string, 0, 0>( + format_str); + return result; + } } #endif // defined(__cpp_if_constexpr) && defined(__cpp_return_type_deduction) } // namespace detail @@ -536,103 +505,102 @@ FMT_MODULE_EXPORT_BEGIN #if defined(__cpp_if_constexpr) && defined(__cpp_return_type_deduction) -template::value)> -FMT_INLINE std::basic_string format(const CompiledFormat &cf, - const Args &...args) { - auto s = std::basic_string(); - cf.format(std::back_inserter(s), args...); - return s; +template ::value)> +FMT_INLINE std::basic_string format(const CompiledFormat& cf, + const Args&... args) { + auto s = std::basic_string(); + cf.format(std::back_inserter(s), args...); + return s; } -template::value)> -constexpr FMT_INLINE OutputIt format_to(OutputIt out, const CompiledFormat &cf, - const Args &...args) { - return cf.format(out, args...); +template ::value)> +constexpr FMT_INLINE OutputIt format_to(OutputIt out, const CompiledFormat& cf, + const Args&... args) { + return cf.format(out, args...); } -template::value)> -FMT_INLINE std::basic_string format(const S &, - Args &&...args) { - if constexpr (std::is_same::value) { - constexpr auto str = basic_string_view(S()); - if constexpr (str.size() == 2 && str[0] == '{' && str[1] == '}') { - const auto &first = detail::first(args...); - if constexpr (detail::is_named_arg< - remove_cvref_t>::value) { - return fmt::to_string(first.value); - } else { - return fmt::to_string(first); - } - } - } - constexpr auto compiled = detail::compile(S()); - if constexpr (std::is_same, - detail::unknown_format>()) { - return fmt::format( - static_cast>(S()), - std::forward(args)...); - } else { - return fmt::format(compiled, std::forward(args)...); - } +template ::value)> +FMT_INLINE std::basic_string format(const S&, + Args&&... args) { + if constexpr (std::is_same::value) { + constexpr auto str = basic_string_view(S()); + if constexpr (str.size() == 2 && str[0] == '{' && str[1] == '}') { + const auto& first = detail::first(args...); + if constexpr (detail::is_named_arg< + remove_cvref_t>::value) { + return fmt::to_string(first.value); + } else { + return fmt::to_string(first); + } + } + } + constexpr auto compiled = detail::compile(S()); + if constexpr (std::is_same, + detail::unknown_format>()) { + return fmt::format( + static_cast>(S()), + std::forward(args)...); + } else { + return fmt::format(compiled, std::forward(args)...); + } } -template::value)> -FMT_CONSTEXPR OutputIt format_to(OutputIt out, const S &, Args &&...args) { - constexpr auto compiled = detail::compile(S()); - if constexpr (std::is_same, - detail::unknown_format>()) { - return fmt::format_to( - out, static_cast>(S()), - std::forward(args)...); - } else { - return fmt::format_to(out, compiled, std::forward(args)...); - } +template ::value)> +FMT_CONSTEXPR OutputIt format_to(OutputIt out, const S&, Args&&... args) { + constexpr auto compiled = detail::compile(S()); + if constexpr (std::is_same, + detail::unknown_format>()) { + return fmt::format_to( + out, static_cast>(S()), + std::forward(args)...); + } else { + return fmt::format_to(out, compiled, std::forward(args)...); + } } #endif -template::value)> +template ::value)> format_to_n_result format_to_n(OutputIt out, size_t n, - const S &format_str, Args &&...args) { - auto it = fmt::format_to(detail::truncating_iterator(out, n), - format_str, std::forward(args)...); - return {it.base(), it.count()}; + const S& format_str, Args&&... args) { + auto it = fmt::format_to(detail::truncating_iterator(out, n), + format_str, std::forward(args)...); + return {it.base(), it.count()}; } -template::value)> -FMT_CONSTEXPR20 size_t formatted_size(const S &format_str, - const Args &...args) { - return fmt::format_to(detail::counting_iterator(), format_str, args...) - .count(); +template ::value)> +FMT_CONSTEXPR20 size_t formatted_size(const S& format_str, + const Args&... args) { + return fmt::format_to(detail::counting_iterator(), format_str, args...) + .count(); } -template::value)> -void print(std::FILE *f, const S &format_str, const Args &...args) { - memory_buffer buffer; - fmt::format_to(std::back_inserter(buffer), format_str, args...); - detail::print(f, {buffer.data(), buffer.size()}); +template ::value)> +void print(std::FILE* f, const S& format_str, const Args&... args) { + memory_buffer buffer; + fmt::format_to(std::back_inserter(buffer), format_str, args...); + detail::print(f, {buffer.data(), buffer.size()}); } -template::value)> -void print(const S &format_str, const Args &...args) { - print(stdout, format_str, args...); +template ::value)> +void print(const S& format_str, const Args&... args) { + print(stdout, format_str, args...); } #if FMT_USE_NONTYPE_TEMPLATE_ARGS inline namespace literals { -template -constexpr auto operator""_cf() { - using char_t = remove_cvref_t; - return detail::udl_compiled_string(); +template constexpr auto operator""_cf() { + using char_t = remove_cvref_t; + return detail::udl_compiled_string(); } } // namespace literals #endif diff --git a/src/spdlog/fmt/bundled/core.h b/src/spdlog/fmt/bundled/core.h index 72228286..3c910f07 100644 --- a/src/spdlog/fmt/bundled/core.h +++ b/src/spdlog/fmt/bundled/core.h @@ -20,268 +20,268 @@ #define FMT_VERSION 90100 #if defined(__clang__) && !defined(__ibmxl__) -#define FMT_CLANG_VERSION (__clang_major__ * 100 + __clang_minor__) +# define FMT_CLANG_VERSION (__clang_major__ * 100 + __clang_minor__) #else -#define FMT_CLANG_VERSION 0 +# define FMT_CLANG_VERSION 0 #endif #if defined(__GNUC__) && !defined(__clang__) && !defined(__INTEL_COMPILER) && \ !defined(__NVCOMPILER) -#define FMT_GCC_VERSION (__GNUC__ * 100 + __GNUC_MINOR__) +# define FMT_GCC_VERSION (__GNUC__ * 100 + __GNUC_MINOR__) #else -#define FMT_GCC_VERSION 0 +# define FMT_GCC_VERSION 0 #endif #ifndef FMT_GCC_PRAGMA // Workaround _Pragma bug https://gcc.gnu.org/bugzilla/show_bug.cgi?id=59884. -#if FMT_GCC_VERSION >= 504 -#define FMT_GCC_PRAGMA(arg) _Pragma(arg) -#else -#define FMT_GCC_PRAGMA(arg) -#endif +# if FMT_GCC_VERSION >= 504 +# define FMT_GCC_PRAGMA(arg) _Pragma(arg) +# else +# define FMT_GCC_PRAGMA(arg) +# endif #endif #ifdef __ICL -#define FMT_ICC_VERSION __ICL +# define FMT_ICC_VERSION __ICL #elif defined(__INTEL_COMPILER) -#define FMT_ICC_VERSION __INTEL_COMPILER +# define FMT_ICC_VERSION __INTEL_COMPILER #else -#define FMT_ICC_VERSION 0 +# define FMT_ICC_VERSION 0 #endif #ifdef _MSC_VER -#define FMT_MSC_VERSION _MSC_VER -#define FMT_MSC_WARNING(...) __pragma(warning(__VA_ARGS__)) +# define FMT_MSC_VERSION _MSC_VER +# define FMT_MSC_WARNING(...) __pragma(warning(__VA_ARGS__)) #else -#define FMT_MSC_VERSION 0 -#define FMT_MSC_WARNING(...) +# define FMT_MSC_VERSION 0 +# define FMT_MSC_WARNING(...) #endif #ifdef _MSVC_LANG -#define FMT_CPLUSPLUS _MSVC_LANG +# define FMT_CPLUSPLUS _MSVC_LANG #else -#define FMT_CPLUSPLUS __cplusplus +# define FMT_CPLUSPLUS __cplusplus #endif #ifdef __has_feature -#define FMT_HAS_FEATURE(x) __has_feature(x) +# define FMT_HAS_FEATURE(x) __has_feature(x) #else -#define FMT_HAS_FEATURE(x) 0 +# define FMT_HAS_FEATURE(x) 0 #endif #if (defined(__has_include) || FMT_ICC_VERSION >= 1600 || \ FMT_MSC_VERSION > 1900) && \ !defined(__INTELLISENSE__) -#define FMT_HAS_INCLUDE(x) __has_include(x) +# define FMT_HAS_INCLUDE(x) __has_include(x) #else -#define FMT_HAS_INCLUDE(x) 0 +# define FMT_HAS_INCLUDE(x) 0 #endif #ifdef __has_cpp_attribute -#define FMT_HAS_CPP_ATTRIBUTE(x) __has_cpp_attribute(x) +# define FMT_HAS_CPP_ATTRIBUTE(x) __has_cpp_attribute(x) #else -#define FMT_HAS_CPP_ATTRIBUTE(x) 0 +# define FMT_HAS_CPP_ATTRIBUTE(x) 0 #endif #define FMT_HAS_CPP14_ATTRIBUTE(attribute) \ - (FMT_CPLUSPLUS >= 201402L && FMT_HAS_CPP_ATTRIBUTE(attribute)) + (FMT_CPLUSPLUS >= 201402L && FMT_HAS_CPP_ATTRIBUTE(attribute)) #define FMT_HAS_CPP17_ATTRIBUTE(attribute) \ - (FMT_CPLUSPLUS >= 201703L && FMT_HAS_CPP_ATTRIBUTE(attribute)) + (FMT_CPLUSPLUS >= 201703L && FMT_HAS_CPP_ATTRIBUTE(attribute)) // Check if relaxed C++14 constexpr is supported. // GCC doesn't allow throw in constexpr until version 6 (bug 67371). #ifndef FMT_USE_CONSTEXPR -#if (FMT_HAS_FEATURE(cxx_relaxed_constexpr) || FMT_MSC_VERSION >= 1912 || \ - (FMT_GCC_VERSION >= 600 && FMT_CPLUSPLUS >= 201402L)) && \ - !FMT_ICC_VERSION && !defined(__NVCC__) -#define FMT_USE_CONSTEXPR 1 -#else -#define FMT_USE_CONSTEXPR 0 -#endif +# if (FMT_HAS_FEATURE(cxx_relaxed_constexpr) || FMT_MSC_VERSION >= 1912 || \ + (FMT_GCC_VERSION >= 600 && FMT_CPLUSPLUS >= 201402L)) && \ + !FMT_ICC_VERSION && !defined(__NVCC__) +# define FMT_USE_CONSTEXPR 1 +# else +# define FMT_USE_CONSTEXPR 0 +# endif #endif #if FMT_USE_CONSTEXPR -#define FMT_CONSTEXPR constexpr +# define FMT_CONSTEXPR constexpr #else -#define FMT_CONSTEXPR +# define FMT_CONSTEXPR #endif #if ((FMT_CPLUSPLUS >= 202002L) && \ (!defined(_GLIBCXX_RELEASE) || _GLIBCXX_RELEASE > 9)) || \ (FMT_CPLUSPLUS >= 201709L && FMT_GCC_VERSION >= 1002) -#define FMT_CONSTEXPR20 constexpr +# define FMT_CONSTEXPR20 constexpr #else -#define FMT_CONSTEXPR20 +# define FMT_CONSTEXPR20 #endif // Check if constexpr std::char_traits<>::{compare,length} are supported. #if defined(__GLIBCXX__) -#if FMT_CPLUSPLUS >= 201703L && defined(_GLIBCXX_RELEASE) && \ - _GLIBCXX_RELEASE >= 7 // GCC 7+ libstdc++ has _GLIBCXX_RELEASE. -#define FMT_CONSTEXPR_CHAR_TRAITS constexpr -#endif +# if FMT_CPLUSPLUS >= 201703L && defined(_GLIBCXX_RELEASE) && \ + _GLIBCXX_RELEASE >= 7 // GCC 7+ libstdc++ has _GLIBCXX_RELEASE. +# define FMT_CONSTEXPR_CHAR_TRAITS constexpr +# endif #elif defined(_LIBCPP_VERSION) && FMT_CPLUSPLUS >= 201703L && \ _LIBCPP_VERSION >= 4000 -#define FMT_CONSTEXPR_CHAR_TRAITS constexpr +# define FMT_CONSTEXPR_CHAR_TRAITS constexpr #elif FMT_MSC_VERSION >= 1914 && FMT_CPLUSPLUS >= 201703L -#define FMT_CONSTEXPR_CHAR_TRAITS constexpr +# define FMT_CONSTEXPR_CHAR_TRAITS constexpr #endif #ifndef FMT_CONSTEXPR_CHAR_TRAITS -#define FMT_CONSTEXPR_CHAR_TRAITS +# define FMT_CONSTEXPR_CHAR_TRAITS #endif // Check if exceptions are disabled. #ifndef FMT_EXCEPTIONS -#if (defined(__GNUC__) && !defined(__EXCEPTIONS)) || \ - (FMT_MSC_VERSION && !_HAS_EXCEPTIONS) -#define FMT_EXCEPTIONS 0 -#else -#define FMT_EXCEPTIONS 1 -#endif +# if (defined(__GNUC__) && !defined(__EXCEPTIONS)) || \ + (FMT_MSC_VERSION && !_HAS_EXCEPTIONS) +# define FMT_EXCEPTIONS 0 +# else +# define FMT_EXCEPTIONS 1 +# endif #endif #ifndef FMT_DEPRECATED -#if FMT_HAS_CPP14_ATTRIBUTE(deprecated) || FMT_MSC_VERSION >= 1900 -#define FMT_DEPRECATED [[deprecated]] -#else -#if (defined(__GNUC__) && !defined(__LCC__)) || defined(__clang__) -#define FMT_DEPRECATED __attribute__((deprecated)) -#elif FMT_MSC_VERSION -#define FMT_DEPRECATED __declspec(deprecated) -#else -#define FMT_DEPRECATED /* deprecated */ -#endif -#endif +# if FMT_HAS_CPP14_ATTRIBUTE(deprecated) || FMT_MSC_VERSION >= 1900 +# define FMT_DEPRECATED [[deprecated]] +# else +# if (defined(__GNUC__) && !defined(__LCC__)) || defined(__clang__) +# define FMT_DEPRECATED __attribute__((deprecated)) +# elif FMT_MSC_VERSION +# define FMT_DEPRECATED __declspec(deprecated) +# else +# define FMT_DEPRECATED /* deprecated */ +# endif +# 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_VERSION && \ !defined(__NVCC__) -#define FMT_NORETURN [[noreturn]] +# define FMT_NORETURN [[noreturn]] #else -#define FMT_NORETURN +# define FMT_NORETURN #endif #if FMT_HAS_CPP17_ATTRIBUTE(fallthrough) -#define FMT_FALLTHROUGH [[fallthrough]] +# define FMT_FALLTHROUGH [[fallthrough]] #elif defined(__clang__) -#define FMT_FALLTHROUGH [[clang::fallthrough]] +# define FMT_FALLTHROUGH [[clang::fallthrough]] #elif FMT_GCC_VERSION >= 700 && \ (!defined(__EDG_VERSION__) || __EDG_VERSION__ >= 520) -#define FMT_FALLTHROUGH [[gnu::fallthrough]] +# define FMT_FALLTHROUGH [[gnu::fallthrough]] #else -#define FMT_FALLTHROUGH +# define FMT_FALLTHROUGH #endif #ifndef FMT_NODISCARD -#if FMT_HAS_CPP17_ATTRIBUTE(nodiscard) -#define FMT_NODISCARD [[nodiscard]] -#else -#define FMT_NODISCARD -#endif +# if FMT_HAS_CPP17_ATTRIBUTE(nodiscard) +# define FMT_NODISCARD [[nodiscard]] +# else +# define FMT_NODISCARD +# endif #endif #ifndef FMT_USE_FLOAT -#define FMT_USE_FLOAT 1 +# define FMT_USE_FLOAT 1 #endif #ifndef FMT_USE_DOUBLE -#define FMT_USE_DOUBLE 1 +# define FMT_USE_DOUBLE 1 #endif #ifndef FMT_USE_LONG_DOUBLE -#define FMT_USE_LONG_DOUBLE 1 +# define FMT_USE_LONG_DOUBLE 1 #endif #ifndef FMT_INLINE -#if FMT_GCC_VERSION || FMT_CLANG_VERSION -#define FMT_INLINE inline __attribute__((always_inline)) -#else -#define FMT_INLINE inline -#endif +# if FMT_GCC_VERSION || FMT_CLANG_VERSION +# define FMT_INLINE inline __attribute__((always_inline)) +# else +# define FMT_INLINE inline +# endif #endif // An inline std::forward replacement. -#define FMT_FORWARD(...) static_cast(__VA_ARGS__) +#define FMT_FORWARD(...) static_cast(__VA_ARGS__) #ifdef _MSC_VER -#define FMT_UNCHECKED_ITERATOR(It) \ +# define FMT_UNCHECKED_ITERATOR(It) \ using _Unchecked_type = It // Mark iterator as checked. #else -#define FMT_UNCHECKED_ITERATOR(It) using unchecked_type = It +# define FMT_UNCHECKED_ITERATOR(It) using unchecked_type = It #endif #ifndef FMT_BEGIN_NAMESPACE -#define FMT_BEGIN_NAMESPACE \ - namespace fmt { \ +# define FMT_BEGIN_NAMESPACE \ + namespace fmt { \ inline namespace v9 { -#define FMT_END_NAMESPACE \ - } \ +# define FMT_END_NAMESPACE \ + } \ } #endif #ifndef FMT_MODULE_EXPORT -#define FMT_MODULE_EXPORT -#define FMT_MODULE_EXPORT_BEGIN -#define FMT_MODULE_EXPORT_END -#define FMT_BEGIN_DETAIL_NAMESPACE namespace detail { -#define FMT_END_DETAIL_NAMESPACE } +# define FMT_MODULE_EXPORT +# define FMT_MODULE_EXPORT_BEGIN +# define FMT_MODULE_EXPORT_END +# define FMT_BEGIN_DETAIL_NAMESPACE namespace detail { +# define FMT_END_DETAIL_NAMESPACE } #endif #if !defined(FMT_HEADER_ONLY) && defined(_WIN32) -#define FMT_CLASS_API FMT_MSC_WARNING(suppress : 4275) -#ifdef FMT_EXPORT -#define FMT_API __declspec(dllexport) -#elif defined(FMT_SHARED) -#define FMT_API __declspec(dllimport) -#endif +# define FMT_CLASS_API FMT_MSC_WARNING(suppress : 4275) +# ifdef FMT_EXPORT +# define FMT_API __declspec(dllexport) +# elif defined(FMT_SHARED) +# define FMT_API __declspec(dllimport) +# endif #else -#define FMT_CLASS_API -#if defined(FMT_EXPORT) || defined(FMT_SHARED) -#if defined(__GNUC__) || defined(__clang__) -#define FMT_API __attribute__((visibility("default"))) -#endif -#endif +# define FMT_CLASS_API +# if defined(FMT_EXPORT) || defined(FMT_SHARED) +# if defined(__GNUC__) || defined(__clang__) +# define FMT_API __attribute__((visibility("default"))) +# endif +# endif #endif #ifndef FMT_API -#define FMT_API +# define FMT_API #endif // libc++ supports string_view in pre-c++17. #if FMT_HAS_INCLUDE() && \ (FMT_CPLUSPLUS >= 201703L || defined(_LIBCPP_VERSION)) -#include -#define FMT_USE_STRING_VIEW +# include +# define FMT_USE_STRING_VIEW #elif FMT_HAS_INCLUDE("experimental/string_view") && FMT_CPLUSPLUS >= 201402L -#include -#define FMT_USE_EXPERIMENTAL_STRING_VIEW +# include +# define FMT_USE_EXPERIMENTAL_STRING_VIEW #endif #ifndef FMT_UNICODE -#define FMT_UNICODE !FMT_MSC_VERSION +# define FMT_UNICODE !FMT_MSC_VERSION #endif #ifndef FMT_CONSTEVAL -#if ((FMT_GCC_VERSION >= 1000 || FMT_CLANG_VERSION >= 1101) && \ - FMT_CPLUSPLUS >= 202002L && !defined(__apple_build_version__)) || \ - (defined(__cpp_consteval) && \ - (!FMT_MSC_VERSION || _MSC_FULL_VER >= 193030704)) +# if ((FMT_GCC_VERSION >= 1000 || FMT_CLANG_VERSION >= 1101) && \ + FMT_CPLUSPLUS >= 202002L && !defined(__apple_build_version__)) || \ + (defined(__cpp_consteval) && \ + (!FMT_MSC_VERSION || _MSC_FULL_VER >= 193030704)) // consteval is broken in MSVC before VS2022 and Apple clang 13. -#define FMT_CONSTEVAL consteval -#define FMT_HAS_CONSTEVAL -#else -#define FMT_CONSTEVAL -#endif +# define FMT_CONSTEVAL consteval +# define FMT_HAS_CONSTEVAL +# else +# define FMT_CONSTEVAL +# endif #endif #ifndef FMT_USE_NONTYPE_TEMPLATE_ARGS -#if defined(__cpp_nontype_template_args) && \ - ((FMT_GCC_VERSION >= 903 && FMT_CPLUSPLUS >= 201709L) || \ - __cpp_nontype_template_args >= 201911L) && \ - !defined(__NVCOMPILER) -#define FMT_USE_NONTYPE_TEMPLATE_ARGS 1 -#else -#define FMT_USE_NONTYPE_TEMPLATE_ARGS 0 -#endif +# if defined(__cpp_nontype_template_args) && \ + ((FMT_GCC_VERSION >= 903 && FMT_CPLUSPLUS >= 201709L) || \ + __cpp_nontype_template_args >= 201911L) && \ + !defined(__NVCOMPILER) +# define FMT_USE_NONTYPE_TEMPLATE_ARGS 1 +# else +# define FMT_USE_NONTYPE_TEMPLATE_ARGS 0 +# endif #endif // Enable minimal optimizations for more compact code in debug mode. @@ -294,53 +294,45 @@ FMT_BEGIN_NAMESPACE FMT_MODULE_EXPORT_BEGIN // Implementations of enable_if_t and other metafunctions for older systems. -template +template using enable_if_t = typename std::enable_if::type; -template +template using conditional_t = typename std::conditional::type; -template -using bool_constant = std::integral_constant; -template +template using bool_constant = std::integral_constant; +template using remove_reference_t = typename std::remove_reference::type; -template +template using remove_const_t = typename std::remove_const::type; -template +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; -template +template struct type_identity { using type = T; }; +template using type_identity_t = typename type_identity::type; +template using underlying_t = typename std::underlying_type::type; -template -struct disjunction : std::false_type {}; -template -struct disjunction

: P {}; -template +template struct disjunction : std::false_type {}; +template struct disjunction

: P {}; +template struct disjunction : conditional_t> {}; -template -struct conjunction : std::true_type {}; -template -struct conjunction

: P {}; -template +template struct conjunction : std::true_type {}; +template struct conjunction

: P {}; +template struct conjunction : conditional_t, P1> {}; struct monostate { - constexpr monostate() { - } + constexpr 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). #ifdef FMT_DOC -#define FMT_ENABLE_IF(...) +# define FMT_ENABLE_IF(...) #else -#define FMT_ENABLE_IF(...) enable_if_t<(__VA_ARGS__), int> = 0 +# define FMT_ENABLE_IF(...) enable_if_t<(__VA_ARGS__), int> = 0 #endif FMT_BEGIN_DETAIL_NAMESPACE @@ -348,94 +340,83 @@ FMT_BEGIN_DETAIL_NAMESPACE // Suppresses "unused variable" warnings with the method described in // https://herbsutter.com/2009/10/18/mailbag-shutting-up-compiler-warnings/. // (void)var does not work on many Intel compilers. -template -FMT_CONSTEXPR void ignore_unused(const T &...) { -} +template FMT_CONSTEXPR void ignore_unused(const T&...) {} constexpr FMT_INLINE auto is_constant_evaluated( bool default_value = false) noexcept -> bool { #ifdef __cpp_lib_is_constant_evaluated - ignore_unused(default_value); - return std::is_constant_evaluated(); + ignore_unused(default_value); + return std::is_constant_evaluated(); #else - return default_value; + return default_value; #endif } // Suppresses "conditional expression is constant" warnings. -template -constexpr FMT_INLINE auto const_check(T value) -> T { - return value; +template constexpr FMT_INLINE auto const_check(T value) -> T { + return value; } -FMT_NORETURN FMT_API void assert_fail(const char *file, int line, - const char *message); +FMT_NORETURN FMT_API void assert_fail(const char* file, int line, + const char* message); #ifndef FMT_ASSERT -#ifdef NDEBUG +# ifdef NDEBUG // FMT_ASSERT is not empty to avoid -Wempty-body. -#define FMT_ASSERT(condition, message) \ - ::fmt::detail::ignore_unused((condition), (message)) -#else -#define FMT_ASSERT(condition, message) \ - ((condition) /* void() fails with -Winvalid-constexpr on clang 4.0.1 */ \ - ? \ - (void)0 : \ - ::fmt::detail::assert_fail(__FILE__, __LINE__, (message))) -#endif +# define FMT_ASSERT(condition, message) \ + ::fmt::detail::ignore_unused((condition), (message)) +# else +# define FMT_ASSERT(condition, message) \ + ((condition) /* void() fails with -Winvalid-constexpr on clang 4.0.1 */ \ + ? (void)0 \ + : ::fmt::detail::assert_fail(__FILE__, __LINE__, (message))) +# endif #endif #if defined(FMT_USE_STRING_VIEW) -template -using std_string_view = std::basic_string_view; +template using std_string_view = std::basic_string_view; #elif defined(FMT_USE_EXPERIMENTAL_STRING_VIEW) -template +template using std_string_view = std::experimental::basic_string_view; #else -template -struct std_string_view {}; +template struct std_string_view {}; #endif #ifdef FMT_USE_INT128 // Do nothing. #elif defined(__SIZEOF_INT128__) && !defined(__NVCC__) && \ !(FMT_CLANG_VERSION && FMT_MSC_VERSION) -#define FMT_USE_INT128 1 +# define FMT_USE_INT128 1 using int128_opt = __int128_t; // An optional native 128-bit integer. using uint128_opt = __uint128_t; -template -inline auto convert_for_visit(T value) -> T { - return value; +template inline auto convert_for_visit(T value) -> T { + return value; } #else -#define FMT_USE_INT128 0 +# define FMT_USE_INT128 0 #endif #if !FMT_USE_INT128 enum class int128_opt {}; enum class uint128_opt {}; // Reduce template instantiations. -template -auto convert_for_visit(T) -> monostate { - return {}; -} +template auto convert_for_visit(T) -> monostate { return {}; } #endif // Casts a nonnegative integer to unsigned. -template +template FMT_CONSTEXPR auto to_unsigned(Int value) -> typename std::make_unsigned::type { - FMT_ASSERT(std::is_unsigned::value || value >= 0, "negative value"); - return static_cast::type>(value); + FMT_ASSERT(std::is_unsigned::value || value >= 0, "negative value"); + return static_cast::type>(value); } -FMT_MSC_WARNING(suppress : 4566) -constexpr unsigned char micro[] = "\u00B5"; +FMT_MSC_WARNING(suppress : 4566) constexpr unsigned char micro[] = "\u00B5"; constexpr auto is_utf8() -> bool { - // Avoid buggy sign extensions in MSVC's constant evaluation mode (#2297). - using uchar = unsigned char; - return FMT_UNICODE || (sizeof(micro) == 3 && uchar(micro[0]) == 0xC2 && - uchar(micro[1]) == 0xB5); + // Avoid buggy sign extensions in MSVC's constant evaluation mode (#2297). + using uchar = unsigned char; + return FMT_UNICODE || (sizeof(micro) == 3 && uchar(micro[0]) == 0xC2 && + uchar(micro[1]) == 0xB5); } FMT_END_DETAIL_NAMESPACE @@ -446,151 +427,134 @@ FMT_END_DETAIL_NAMESPACE 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 value_type = Char; - using iterator = const Char *; - - constexpr basic_string_view() noexcept - : data_(nullptr), size_(0) { - } - - /** Constructs a string reference object from a C string and a size. */ - constexpr basic_string_view(const Char *s, size_t count) noexcept - : data_(s), size_(count) { - } - - /** - \rst - Constructs a string reference object from a C string computing - the size with ``std::char_traits::length``. - \endrst - */ - FMT_CONSTEXPR_CHAR_TRAITS - FMT_INLINE - basic_string_view(const Char *s) - : data_(s), - size_(detail::const_check(std::is_same::value && - !detail::is_constant_evaluated(true)) ? - std::strlen(reinterpret_cast(s)) : - 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) noexcept - : data_(s.data()), size_(s.size()) { - } - - template>::value)> - FMT_CONSTEXPR basic_string_view(S s) noexcept - : data_(s.data()), size_(s.size()) { - } - - /** Returns a pointer to the string data. */ - constexpr auto data() const noexcept -> const Char * { - return data_; - } - - /** Returns the string size. */ - constexpr auto size() const noexcept -> size_t { - return size_; - } - - constexpr auto begin() const noexcept -> iterator { - return data_; - } - constexpr auto end() const noexcept -> iterator { - return data_ + size_; - } - - constexpr auto operator[](size_t pos) const noexcept -> const Char & { - return data_[pos]; - } - - FMT_CONSTEXPR void remove_prefix(size_t n) noexcept { - data_ += n; - size_ -= n; - } - - // Lexicographically compare this string reference to other. - FMT_CONSTEXPR_CHAR_TRAITS auto compare(basic_string_view other) const -> int { - 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; - } - - FMT_CONSTEXPR_CHAR_TRAITS friend auto operator==(basic_string_view lhs, - basic_string_view rhs) - -> bool { - return lhs.compare(rhs) == 0; - } - friend auto operator!=(basic_string_view lhs, basic_string_view rhs) -> bool { - return lhs.compare(rhs) != 0; - } - friend auto operator<(basic_string_view lhs, basic_string_view rhs) -> bool { - return lhs.compare(rhs) < 0; - } - friend auto operator<=(basic_string_view lhs, basic_string_view rhs) -> bool { - return lhs.compare(rhs) <= 0; - } - friend auto operator>(basic_string_view lhs, basic_string_view rhs) -> bool { - return lhs.compare(rhs) > 0; - } - friend auto operator>=(basic_string_view lhs, basic_string_view rhs) -> bool { - return lhs.compare(rhs) >= 0; - } +template class basic_string_view { + private: + const Char* data_; + size_t size_; + + public: + using value_type = Char; + using iterator = const Char*; + + constexpr basic_string_view() noexcept : data_(nullptr), size_(0) {} + + /** Constructs a string reference object from a C string and a size. */ + constexpr basic_string_view(const Char* s, size_t count) noexcept + : data_(s), size_(count) {} + + /** + \rst + Constructs a string reference object from a C string computing + the size with ``std::char_traits::length``. + \endrst + */ + FMT_CONSTEXPR_CHAR_TRAITS + FMT_INLINE + basic_string_view(const Char* s) + : data_(s), + size_(detail::const_check(std::is_same::value && + !detail::is_constant_evaluated(true)) + ? std::strlen(reinterpret_cast(s)) + : 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) noexcept + : data_(s.data()), size_(s.size()) {} + + template >::value)> + FMT_CONSTEXPR basic_string_view(S s) noexcept + : data_(s.data()), size_(s.size()) {} + + /** Returns a pointer to the string data. */ + constexpr auto data() const noexcept -> const Char* { return data_; } + + /** Returns the string size. */ + constexpr auto size() const noexcept -> size_t { return size_; } + + constexpr auto begin() const noexcept -> iterator { return data_; } + constexpr auto end() const noexcept -> iterator { return data_ + size_; } + + constexpr auto operator[](size_t pos) const noexcept -> const Char& { + return data_[pos]; + } + + FMT_CONSTEXPR void remove_prefix(size_t n) noexcept { + data_ += n; + size_ -= n; + } + + // Lexicographically compare this string reference to other. + FMT_CONSTEXPR_CHAR_TRAITS auto compare(basic_string_view other) const -> int { + 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; + } + + FMT_CONSTEXPR_CHAR_TRAITS friend auto operator==(basic_string_view lhs, + basic_string_view rhs) + -> bool { + return lhs.compare(rhs) == 0; + } + friend auto operator!=(basic_string_view lhs, basic_string_view rhs) -> bool { + return lhs.compare(rhs) != 0; + } + friend auto operator<(basic_string_view lhs, basic_string_view rhs) -> bool { + return lhs.compare(rhs) < 0; + } + friend auto operator<=(basic_string_view lhs, basic_string_view rhs) -> bool { + return lhs.compare(rhs) <= 0; + } + friend auto operator>(basic_string_view lhs, basic_string_view rhs) -> bool { + return lhs.compare(rhs) > 0; + } + friend auto operator>=(basic_string_view lhs, basic_string_view rhs) -> bool { + return lhs.compare(rhs) >= 0; + } }; using string_view = basic_string_view; /** 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::false_type {}; +template <> struct is_char : std::true_type {}; FMT_BEGIN_DETAIL_NAMESPACE // A base class for compile-time strings. struct compile_string {}; -template +template struct is_compile_string : std::is_base_of {}; // Returns a string view of `s`. -template::value)> -FMT_INLINE auto to_string_view(const Char *s) -> basic_string_view { - return s; +template ::value)> +FMT_INLINE auto to_string_view(const Char* s) -> basic_string_view { + return s; } -template -inline auto to_string_view(const std::basic_string &s) +template +inline auto to_string_view(const std::basic_string& s) -> basic_string_view { - return s; + return s; } -template +template constexpr auto to_string_view(basic_string_view s) -> basic_string_view { - return s; + return s; } -template>::value)> +template >::value)> inline auto to_string_view(std_string_view s) -> basic_string_view { - return s; + return s; } -template::value)> -constexpr auto to_string_view(const S &s) +template ::value)> +constexpr auto to_string_view(const S& s) -> basic_string_view { - return basic_string_view(s); + return basic_string_view(s); } void to_string_view(...); @@ -598,49 +562,47 @@ void to_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. // ADL invocation of to_string_view is DEPRECATED! -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; +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; }; enum class type { - none_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 + none_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 +template struct type_constant : std::integral_constant {}; #define FMT_TYPE_CONSTANT(Type, constant) \ - template \ - struct type_constant \ - : std::integral_constant {} + template \ + struct type_constant \ + : std::integral_constant {} FMT_TYPE_CONSTANT(int, int_type); FMT_TYPE_CONSTANT(unsigned, uint_type); @@ -653,34 +615,33 @@ 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(const Char*, cstring_type); FMT_TYPE_CONSTANT(basic_string_view, string_type); -FMT_TYPE_CONSTANT(const void *, pointer_type); +FMT_TYPE_CONSTANT(const void*, pointer_type); constexpr bool is_integral_type(type t) { - return t > type::none_type && t <= type::last_integer_type; + return t > type::none_type && t <= type::last_integer_type; } constexpr bool is_arithmetic_type(type t) { - return t > type::none_type && t <= type::last_numeric_type; + return t > type::none_type && t <= type::last_numeric_type; } -FMT_NORETURN FMT_API void throw_format_error(const char *message); +FMT_NORETURN FMT_API void throw_format_error(const char* message); struct error_handler { - constexpr error_handler() = default; - constexpr error_handler(const error_handler &) = default; + constexpr error_handler() = default; + constexpr error_handler(const error_handler&) = default; - // This function is intentionally not constexpr to give a compile-time error. - FMT_NORETURN void on_error(const char *message) { - throw_format_error(message); - } + // This function is intentionally not constexpr to give a compile-time error. + FMT_NORETURN void on_error(const char* message) { + throw_format_error(message); + } }; FMT_END_DETAIL_NAMESPACE /** String's character type. */ -template -using char_t = typename detail::char_t_impl::type; +template using char_t = typename detail::char_t_impl::type; /** \rst @@ -689,225 +650,207 @@ using char_t = typename detail::char_t_impl::type; You can use the ``format_parse_context`` type alias for ``char`` instead. \endrst */ -template +template class basic_format_parse_context : private ErrorHandler { -private: - basic_string_view format_str_; - int next_arg_id_; - - FMT_CONSTEXPR void do_check_arg_id(int id); - -public: - using char_type = Char; - using iterator = typename basic_string_view::iterator; - - explicit constexpr basic_format_parse_context( - basic_string_view format_str, ErrorHandler eh = {}, - int next_arg_id = 0) - : ErrorHandler(eh), format_str_(format_str), next_arg_id_(next_arg_id) { - } - - /** - Returns an iterator to the beginning of the format string range being - parsed. - */ - constexpr auto begin() const noexcept -> iterator { - return format_str_.begin(); - } - - /** - Returns an iterator past the end of the format string range being parsed. - */ - constexpr auto end() const noexcept -> iterator { - return format_str_.end(); - } - - /** Advances the begin iterator to ``it``. */ - FMT_CONSTEXPR void advance_to(iterator it) { - format_str_.remove_prefix(detail::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 auto next_arg_id() -> int { - if (next_arg_id_ < 0) { - on_error("cannot switch from manual to automatic argument indexing"); - return 0; - } - int id = next_arg_id_++; - do_check_arg_id(id); - return id; - } - - /** - Reports an error if using the automatic argument indexing; otherwise - switches to the manual indexing. - */ - FMT_CONSTEXPR void check_arg_id(int id) { - if (next_arg_id_ > 0) { - on_error("cannot switch from automatic to manual argument indexing"); - return; - } - next_arg_id_ = -1; - do_check_arg_id(id); - } - FMT_CONSTEXPR void check_arg_id(basic_string_view) { - } - FMT_CONSTEXPR void check_dynamic_spec(int arg_id); - - FMT_CONSTEXPR void on_error(const char *message) { - ErrorHandler::on_error(message); - } - - constexpr auto error_handler() const -> ErrorHandler { - return *this; - } + private: + basic_string_view format_str_; + int next_arg_id_; + + FMT_CONSTEXPR void do_check_arg_id(int id); + + public: + using char_type = Char; + using iterator = typename basic_string_view::iterator; + + explicit constexpr basic_format_parse_context( + basic_string_view format_str, ErrorHandler eh = {}, + int next_arg_id = 0) + : ErrorHandler(eh), format_str_(format_str), next_arg_id_(next_arg_id) {} + + /** + Returns an iterator to the beginning of the format string range being + parsed. + */ + constexpr auto begin() const noexcept -> iterator { + return format_str_.begin(); + } + + /** + Returns an iterator past the end of the format string range being parsed. + */ + constexpr auto end() const noexcept -> iterator { return format_str_.end(); } + + /** Advances the begin iterator to ``it``. */ + FMT_CONSTEXPR void advance_to(iterator it) { + format_str_.remove_prefix(detail::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 auto next_arg_id() -> int { + if (next_arg_id_ < 0) { + on_error("cannot switch from manual to automatic argument indexing"); + return 0; + } + int id = next_arg_id_++; + do_check_arg_id(id); + return id; + } + + /** + Reports an error if using the automatic argument indexing; otherwise + switches to the manual indexing. + */ + FMT_CONSTEXPR void check_arg_id(int id) { + if (next_arg_id_ > 0) { + on_error("cannot switch from automatic to manual argument indexing"); + return; + } + next_arg_id_ = -1; + do_check_arg_id(id); + } + FMT_CONSTEXPR void check_arg_id(basic_string_view) {} + FMT_CONSTEXPR void check_dynamic_spec(int arg_id); + + FMT_CONSTEXPR void on_error(const char* message) { + ErrorHandler::on_error(message); + } + + constexpr auto error_handler() const -> ErrorHandler { return *this; } }; using format_parse_context = basic_format_parse_context; FMT_BEGIN_DETAIL_NAMESPACE // A parse context with extra data used only in compile-time checks. -template +template class compile_parse_context : public basic_format_parse_context { -private: - int num_args_; - const type *types_; - using base = basic_format_parse_context; - -public: - explicit FMT_CONSTEXPR compile_parse_context( - basic_string_view format_str, int num_args, const type *types, - ErrorHandler eh = {}, int next_arg_id = 0) - : base(format_str, eh, next_arg_id), num_args_(num_args), types_(types) { - } - - constexpr auto num_args() const -> int { - return num_args_; - } - constexpr auto arg_type(int id) const -> type { - return types_[id]; - } - - FMT_CONSTEXPR auto next_arg_id() -> int { - int id = base::next_arg_id(); - if (id >= num_args_) this->on_error("argument not found"); - return id; - } - - FMT_CONSTEXPR void check_arg_id(int id) { - base::check_arg_id(id); - if (id >= num_args_) this->on_error("argument not found"); - } - using base::check_arg_id; - - FMT_CONSTEXPR void check_dynamic_spec(int arg_id) { - if (arg_id < num_args_ && types_ && !is_integral_type(types_[arg_id])) - this->on_error("width/precision is not integer"); - } + private: + int num_args_; + const type* types_; + using base = basic_format_parse_context; + + public: + explicit FMT_CONSTEXPR compile_parse_context( + basic_string_view format_str, int num_args, const type* types, + ErrorHandler eh = {}, int next_arg_id = 0) + : base(format_str, eh, next_arg_id), num_args_(num_args), types_(types) {} + + constexpr auto num_args() const -> int { return num_args_; } + constexpr auto arg_type(int id) const -> type { return types_[id]; } + + FMT_CONSTEXPR auto next_arg_id() -> int { + int id = base::next_arg_id(); + if (id >= num_args_) this->on_error("argument not found"); + return id; + } + + FMT_CONSTEXPR void check_arg_id(int id) { + base::check_arg_id(id); + if (id >= num_args_) this->on_error("argument not found"); + } + using base::check_arg_id; + + FMT_CONSTEXPR void check_dynamic_spec(int arg_id) { + if (arg_id < num_args_ && types_ && !is_integral_type(types_[arg_id])) + this->on_error("width/precision is not integer"); + } }; FMT_END_DETAIL_NAMESPACE -template +template FMT_CONSTEXPR void basic_format_parse_context::do_check_arg_id(int id) { - // Argument id is only checked at compile-time during parsing because - // formatting has its own validation. - if (detail::is_constant_evaluated() && FMT_GCC_VERSION >= 1200) { - using context = detail::compile_parse_context; - if (id >= static_cast(this)->num_args()) - on_error("argument not found"); - } + // Argument id is only checked at compile-time during parsing because + // formatting has its own validation. + if (detail::is_constant_evaluated() && FMT_GCC_VERSION >= 1200) { + using context = detail::compile_parse_context; + if (id >= static_cast(this)->num_args()) + on_error("argument not found"); + } } -template +template FMT_CONSTEXPR void basic_format_parse_context::check_dynamic_spec(int arg_id) { - if (detail::is_constant_evaluated()) { - using context = detail::compile_parse_context; - static_cast(this)->check_dynamic_spec(arg_id); - } + if (detail::is_constant_evaluated()) { + using context = detail::compile_parse_context; + static_cast(this)->check_dynamic_spec(arg_id); + } } -template -class basic_format_arg; -template -class basic_format_args; -template -class dynamic_format_arg_store; +template class basic_format_arg; +template class basic_format_args; +template class dynamic_format_arg_store; // A formatter for objects of type T. -template +template struct formatter { - // A deleted default constructor indicates a disabled formatter. - formatter() = delete; + // A deleted default constructor indicates a disabled formatter. + formatter() = delete; }; // 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 +template using has_formatter = std::is_constructible>; // Checks whether T is a container with contiguous storage. -template -struct is_contiguous : std::false_type {}; -template +template struct is_contiguous : std::false_type {}; +template struct is_contiguous> : std::true_type {}; class appender; FMT_BEGIN_DETAIL_NAMESPACE -template -constexpr auto has_const_formatter_impl(T *) +template +constexpr auto has_const_formatter_impl(T*) -> decltype(typename Context::template formatter_type().format( - std::declval(), std::declval()), + std::declval(), std::declval()), true) { - return true; + return true; } -template +template constexpr auto has_const_formatter_impl(...) -> bool { - return false; + return false; } -template +template constexpr auto has_const_formatter() -> bool { - return has_const_formatter_impl(static_cast(nullptr)); + return has_const_formatter_impl(static_cast(nullptr)); } // Extracts a reference to the container from back_insert_iterator. -template +template inline auto get_container(std::back_insert_iterator it) - -> Container & { - using base = std::back_insert_iterator; - struct accessor : base { - accessor(base b) - : base(b) { - } - using base::container; - }; - return *accessor(it).container; -} - -template + -> Container& { + using base = std::back_insert_iterator; + struct accessor : base { + accessor(base b) : base(b) {} + using base::container; + }; + return *accessor(it).container; +} + +template FMT_CONSTEXPR auto copy_str(InputIt begin, InputIt end, OutputIt out) -> OutputIt { - while (begin != end) - *out++ = static_cast(*begin++); - return out; + while (begin != end) *out++ = static_cast(*begin++); + return out; } -template, U>::value &&is_char::value)> -FMT_CONSTEXPR auto copy_str(T *begin, T *end, U *out) -> U * { - if (is_constant_evaluated()) return copy_str(begin, end, out); - auto size = to_unsigned(end - begin); - memcpy(out, begin, size * sizeof(U)); - return out + size; +template , U>::value&& is_char::value)> +FMT_CONSTEXPR auto copy_str(T* begin, T* end, U* out) -> U* { + if (is_constant_evaluated()) return copy_str(begin, end, out); + auto size = to_unsigned(end - begin); + memcpy(out, begin, size * sizeof(U)); + return out + size; } /** @@ -916,329 +859,273 @@ FMT_CONSTEXPR auto copy_str(T *begin, T *end, U *out) -> U * { class and shouldn't be used directly, only via `~fmt::basic_memory_buffer`. \endrst */ -template -class buffer { -private: - T *ptr_; - size_t size_; - size_t capacity_; - -protected: - // Don't initialize ptr_ since it is not accessed to save a few cycles. - FMT_MSC_WARNING(suppress : 26495) - buffer(size_t sz) noexcept - : size_(sz), capacity_(sz) { - } - - FMT_CONSTEXPR20 buffer(T *p = nullptr, size_t sz = 0, size_t cap = 0) noexcept - : ptr_(p), size_(sz), capacity_(cap) { - } - - FMT_CONSTEXPR20 ~buffer() = default; - buffer(buffer &&) = default; - - /** Sets the buffer data and capacity. */ - FMT_CONSTEXPR void set(T *buf_data, size_t buf_capacity) noexcept { - ptr_ = buf_data; - capacity_ = buf_capacity; - } - - /** Increases the buffer capacity to hold at least *capacity* elements. */ - virtual FMT_CONSTEXPR20 void grow(size_t capacity) = 0; - -public: - using value_type = T; - using const_reference = const T &; - - buffer(const buffer &) = delete; - void operator=(const buffer &) = delete; - - auto begin() noexcept -> T * { - return ptr_; - } - auto end() noexcept -> T * { - return ptr_ + size_; - } - - auto begin() const noexcept -> const T * { - return ptr_; - } - auto end() const noexcept -> const T * { - return ptr_ + size_; - } - - /** Returns the size of this buffer. */ - constexpr auto size() const noexcept -> size_t { - return size_; - } - - /** Returns the capacity of this buffer. */ - constexpr auto capacity() const noexcept -> size_t { - return capacity_; - } - - /** Returns a pointer to the buffer data. */ - FMT_CONSTEXPR auto data() noexcept -> T * { - return ptr_; - } - - /** Returns a pointer to the buffer data. */ - FMT_CONSTEXPR auto data() const noexcept -> const T * { - return ptr_; - } - - /** Clears this buffer. */ - void clear() { - size_ = 0; - } - - // Tries resizing the buffer to contain *count* elements. If T is a POD type - // the new elements may not be initialized. - FMT_CONSTEXPR20 void try_resize(size_t count) { - try_reserve(count); - size_ = count <= capacity_ ? count : capacity_; - } - - // Tries increasing the buffer capacity to *new_capacity*. It can increase the - // capacity by a smaller amount than requested but guarantees there is space - // for at least one additional element either by increasing the capacity or by - // flushing the buffer if it is full. - FMT_CONSTEXPR20 void try_reserve(size_t new_capacity) { - if (new_capacity > capacity_) grow(new_capacity); - } - - FMT_CONSTEXPR20 void push_back(const T &value) { - try_reserve(size_ + 1); - ptr_[size_++] = value; - } - - /** Appends data to the end of the buffer. */ - template - void append(const U *begin, const U *end); - - template - FMT_CONSTEXPR auto operator[](Idx index) -> T & { - return ptr_[index]; - } - template - FMT_CONSTEXPR auto operator[](Idx index) const -> const T & { - return ptr_[index]; - } +template class buffer { + private: + T* ptr_; + size_t size_; + size_t capacity_; + + protected: + // Don't initialize ptr_ since it is not accessed to save a few cycles. + FMT_MSC_WARNING(suppress : 26495) + buffer(size_t sz) noexcept : size_(sz), capacity_(sz) {} + + FMT_CONSTEXPR20 buffer(T* p = nullptr, size_t sz = 0, size_t cap = 0) noexcept + : ptr_(p), size_(sz), capacity_(cap) {} + + FMT_CONSTEXPR20 ~buffer() = default; + buffer(buffer&&) = default; + + /** Sets the buffer data and capacity. */ + FMT_CONSTEXPR void set(T* buf_data, size_t buf_capacity) noexcept { + ptr_ = buf_data; + capacity_ = buf_capacity; + } + + /** Increases the buffer capacity to hold at least *capacity* elements. */ + virtual FMT_CONSTEXPR20 void grow(size_t capacity) = 0; + + public: + using value_type = T; + using const_reference = const T&; + + buffer(const buffer&) = delete; + void operator=(const buffer&) = delete; + + auto begin() noexcept -> T* { return ptr_; } + auto end() noexcept -> T* { return ptr_ + size_; } + + auto begin() const noexcept -> const T* { return ptr_; } + auto end() const noexcept -> const T* { return ptr_ + size_; } + + /** Returns the size of this buffer. */ + constexpr auto size() const noexcept -> size_t { return size_; } + + /** Returns the capacity of this buffer. */ + constexpr auto capacity() const noexcept -> size_t { return capacity_; } + + /** Returns a pointer to the buffer data. */ + FMT_CONSTEXPR auto data() noexcept -> T* { return ptr_; } + + /** Returns a pointer to the buffer data. */ + FMT_CONSTEXPR auto data() const noexcept -> const T* { return ptr_; } + + /** Clears this buffer. */ + void clear() { size_ = 0; } + + // Tries resizing the buffer to contain *count* elements. If T is a POD type + // the new elements may not be initialized. + FMT_CONSTEXPR20 void try_resize(size_t count) { + try_reserve(count); + size_ = count <= capacity_ ? count : capacity_; + } + + // Tries increasing the buffer capacity to *new_capacity*. It can increase the + // capacity by a smaller amount than requested but guarantees there is space + // for at least one additional element either by increasing the capacity or by + // flushing the buffer if it is full. + FMT_CONSTEXPR20 void try_reserve(size_t new_capacity) { + if (new_capacity > capacity_) grow(new_capacity); + } + + FMT_CONSTEXPR20 void push_back(const T& value) { + try_reserve(size_ + 1); + ptr_[size_++] = value; + } + + /** Appends data to the end of the buffer. */ + template void append(const U* begin, const U* end); + + template FMT_CONSTEXPR auto operator[](Idx index) -> T& { + return ptr_[index]; + } + template + FMT_CONSTEXPR auto operator[](Idx index) const -> const T& { + return ptr_[index]; + } }; struct buffer_traits { - explicit buffer_traits(size_t) { - } - auto count() const -> size_t { - return 0; - } - auto limit(size_t size) -> size_t { - return size; - } + explicit buffer_traits(size_t) {} + auto count() const -> size_t { return 0; } + auto limit(size_t size) -> size_t { return size; } }; class fixed_buffer_traits { -private: - size_t count_ = 0; - size_t limit_; - -public: - explicit fixed_buffer_traits(size_t limit) - : limit_(limit) { - } - auto count() const -> size_t { - return count_; - } - auto limit(size_t size) -> size_t { - size_t n = limit_ > count_ ? limit_ - count_ : 0; - count_ += size; - return size < n ? size : n; - } + private: + size_t count_ = 0; + size_t limit_; + + public: + explicit fixed_buffer_traits(size_t limit) : limit_(limit) {} + auto count() const -> size_t { return count_; } + auto limit(size_t size) -> size_t { + size_t n = limit_ > count_ ? limit_ - count_ : 0; + count_ += size; + return size < n ? size : n; + } }; // A buffer that writes to an output iterator when flushed. -template +template class iterator_buffer final : public Traits, public buffer { -private: - OutputIt out_; - enum { buffer_size = 256 }; - T data_[buffer_size]; - -protected: - FMT_CONSTEXPR20 void grow(size_t) override { - if (this->size() == buffer_size) flush(); - } - - void flush() { - auto size = this->size(); - this->clear(); - out_ = copy_str(data_, data_ + this->limit(size), out_); - } - -public: - explicit iterator_buffer(OutputIt out, size_t n = buffer_size) - : Traits(n), buffer(data_, 0, buffer_size), out_(out) { - } - iterator_buffer(iterator_buffer &&other) - : Traits(other), buffer(data_, 0, buffer_size), out_(other.out_) { - } - ~iterator_buffer() { - flush(); - } - - auto out() -> OutputIt { - flush(); - return out_; - } - auto count() const -> size_t { - return Traits::count() + this->size(); - } + private: + OutputIt out_; + enum { buffer_size = 256 }; + T data_[buffer_size]; + + protected: + FMT_CONSTEXPR20 void grow(size_t) override { + if (this->size() == buffer_size) flush(); + } + + void flush() { + auto size = this->size(); + this->clear(); + out_ = copy_str(data_, data_ + this->limit(size), out_); + } + + public: + explicit iterator_buffer(OutputIt out, size_t n = buffer_size) + : Traits(n), buffer(data_, 0, buffer_size), out_(out) {} + iterator_buffer(iterator_buffer&& other) + : Traits(other), buffer(data_, 0, buffer_size), out_(other.out_) {} + ~iterator_buffer() { flush(); } + + auto out() -> OutputIt { + flush(); + return out_; + } + auto count() const -> size_t { return Traits::count() + this->size(); } }; -template -class iterator_buffer final +template +class iterator_buffer final : public fixed_buffer_traits, public buffer { -private: - T *out_; - enum { buffer_size = 256 }; - T data_[buffer_size]; - -protected: - FMT_CONSTEXPR20 void grow(size_t) override { - if (this->size() == this->capacity()) flush(); - } - - void flush() { - size_t n = this->limit(this->size()); - if (this->data() == out_) { - out_ += n; - this->set(data_, buffer_size); - } - this->clear(); - } - -public: - explicit iterator_buffer(T *out, size_t n = buffer_size) - : fixed_buffer_traits(n), buffer(out, 0, n), out_(out) { - } - iterator_buffer(iterator_buffer &&other) - : fixed_buffer_traits(other), - buffer(std::move(other)), - out_(other.out_) { - if (this->data() != out_) { - this->set(data_, buffer_size); - this->clear(); - } - } - ~iterator_buffer() { - flush(); - } - - auto out() -> T * { - flush(); - return out_; - } - auto count() const -> size_t { - return fixed_buffer_traits::count() + this->size(); - } + private: + T* out_; + enum { buffer_size = 256 }; + T data_[buffer_size]; + + protected: + FMT_CONSTEXPR20 void grow(size_t) override { + if (this->size() == this->capacity()) flush(); + } + + void flush() { + size_t n = this->limit(this->size()); + if (this->data() == out_) { + out_ += n; + this->set(data_, buffer_size); + } + this->clear(); + } + + public: + explicit iterator_buffer(T* out, size_t n = buffer_size) + : fixed_buffer_traits(n), buffer(out, 0, n), out_(out) {} + iterator_buffer(iterator_buffer&& other) + : fixed_buffer_traits(other), + buffer(std::move(other)), + out_(other.out_) { + if (this->data() != out_) { + this->set(data_, buffer_size); + this->clear(); + } + } + ~iterator_buffer() { flush(); } + + auto out() -> T* { + flush(); + return out_; + } + auto count() const -> size_t { + return fixed_buffer_traits::count() + this->size(); + } }; -template -class iterator_buffer final : public buffer { -protected: - FMT_CONSTEXPR20 void grow(size_t) override { - } +template class iterator_buffer final : public buffer { + protected: + FMT_CONSTEXPR20 void grow(size_t) override {} -public: - explicit iterator_buffer(T *out, size_t = 0) - : buffer(out, 0, ~size_t()) { - } + public: + explicit iterator_buffer(T* out, size_t = 0) : buffer(out, 0, ~size_t()) {} - auto out() -> T * { - return &*this->end(); - } + auto out() -> T* { return &*this->end(); } }; // A buffer that writes to a container with the contiguous storage. -template +template class iterator_buffer, enable_if_t::value, typename Container::value_type>> final : public buffer { -private: - Container &container_; - -protected: - FMT_CONSTEXPR20 void grow(size_t capacity) override { - container_.resize(capacity); - this->set(&container_[0], capacity); - } - -public: - explicit iterator_buffer(Container &c) - : buffer(c.size()), container_(c) { - } - explicit iterator_buffer(std::back_insert_iterator out, size_t = 0) - : iterator_buffer(get_container(out)) { - } - - auto out() -> std::back_insert_iterator { - return std::back_inserter(container_); - } + private: + Container& container_; + + protected: + FMT_CONSTEXPR20 void grow(size_t capacity) override { + container_.resize(capacity); + this->set(&container_[0], capacity); + } + + public: + explicit iterator_buffer(Container& c) + : buffer(c.size()), container_(c) {} + explicit iterator_buffer(std::back_insert_iterator out, size_t = 0) + : iterator_buffer(get_container(out)) {} + + auto out() -> std::back_insert_iterator { + return std::back_inserter(container_); + } }; // A buffer that counts the number of code units written discarding the output. -template -class counting_buffer final : public buffer { -private: - enum { buffer_size = 256 }; - T data_[buffer_size]; - size_t count_ = 0; - -protected: - FMT_CONSTEXPR20 void grow(size_t) override { - if (this->size() != buffer_size) return; - count_ += this->size(); - this->clear(); - } - -public: - counting_buffer() - : buffer(data_, 0, buffer_size) { - } - - auto count() -> size_t { - return count_ + this->size(); - } +template class counting_buffer final : public buffer { + private: + enum { buffer_size = 256 }; + T data_[buffer_size]; + size_t count_ = 0; + + protected: + FMT_CONSTEXPR20 void grow(size_t) override { + if (this->size() != buffer_size) return; + count_ += this->size(); + this->clear(); + } + + public: + counting_buffer() : buffer(data_, 0, buffer_size) {} + + auto count() -> size_t { return count_ + this->size(); } }; -template +template using buffer_appender = conditional_t::value, appender, std::back_insert_iterator>>; // Maps an output iterator to a buffer. -template +template auto get_buffer(OutputIt out) -> iterator_buffer { - return iterator_buffer(out); + return iterator_buffer(out); } -template -auto get_iterator(Buffer &buf) -> decltype(buf.out()) { - return buf.out(); +template +auto get_iterator(Buffer& buf) -> decltype(buf.out()) { + return buf.out(); } -template -auto get_iterator(buffer &buf) -> buffer_appender { - return buffer_appender(buf); +template auto get_iterator(buffer& buf) -> buffer_appender { + return buffer_appender(buf); } -template +template struct fallback_formatter { - fallback_formatter() = delete; + fallback_formatter() = delete; }; // Specifies if T has an enabled fallback_formatter specialization. -template +template using has_fallback_formatter = #ifdef FMT_DEPRECATED_OSTREAM std::is_constructible>; @@ -1248,107 +1135,84 @@ using has_fallback_formatter = struct view {}; -template -struct named_arg : view { - const Char *name; - const T &value; - named_arg(const Char *n, const T &v) - : name(n), value(v) { - } +template struct named_arg : view { + const Char* name; + const T& value; + named_arg(const Char* n, const T& v) : name(n), value(v) {} }; -template -struct named_arg_info { - const Char *name; - int id; +template struct named_arg_info { + const Char* name; + int id; }; -template +template struct arg_data { - // args_[0].named_args points to named_args_ to avoid bloating format_args. - // +1 to workaround a bug in gcc 7.5 that causes duplicated-branches warning. - T args_[1 + (NUM_ARGS != 0 ? NUM_ARGS : +1)]; - named_arg_info named_args_[NUM_NAMED_ARGS]; - - template - arg_data(const U &...init) - : args_{T(named_args_, NUM_NAMED_ARGS), init...} { - } - arg_data(const arg_data &other) = delete; - auto args() const -> const T * { - return args_ + 1; - } - auto named_args() -> named_arg_info * { - return named_args_; - } + // args_[0].named_args points to named_args_ to avoid bloating format_args. + // +1 to workaround a bug in gcc 7.5 that causes duplicated-branches warning. + T args_[1 + (NUM_ARGS != 0 ? NUM_ARGS : +1)]; + named_arg_info named_args_[NUM_NAMED_ARGS]; + + template + arg_data(const U&... init) : args_{T(named_args_, NUM_NAMED_ARGS), init...} {} + arg_data(const arg_data& other) = delete; + auto args() const -> const T* { return args_ + 1; } + auto named_args() -> named_arg_info* { return named_args_; } }; -template +template struct arg_data { - // +1 to workaround a bug in gcc 7.5 that causes duplicated-branches warning. - T args_[NUM_ARGS != 0 ? NUM_ARGS : +1]; - - template - FMT_CONSTEXPR FMT_INLINE arg_data(const U &...init) - : args_{init...} { - } - FMT_CONSTEXPR FMT_INLINE auto args() const -> const T * { - return args_; - } - FMT_CONSTEXPR FMT_INLINE auto named_args() -> std::nullptr_t { - return nullptr; - } + // +1 to workaround a bug in gcc 7.5 that causes duplicated-branches warning. + T args_[NUM_ARGS != 0 ? NUM_ARGS : +1]; + + template + FMT_CONSTEXPR FMT_INLINE arg_data(const U&... init) : args_{init...} {} + FMT_CONSTEXPR FMT_INLINE auto args() const -> const T* { return args_; } + FMT_CONSTEXPR FMT_INLINE auto named_args() -> std::nullptr_t { + return nullptr; + } }; -template -inline void init_named_args(named_arg_info *, int, int) { -} +template +inline void init_named_args(named_arg_info*, int, int) {} -template -struct is_named_arg : std::false_type {}; -template -struct is_statically_named_arg : std::false_type {}; +template struct is_named_arg : std::false_type {}; +template struct is_statically_named_arg : std::false_type {}; -template +template struct is_named_arg> : std::true_type {}; -template::value)> -void init_named_args(named_arg_info *named_args, int arg_count, - int named_arg_count, const T &, const Tail &...args) { - init_named_args(named_args, arg_count + 1, named_arg_count, args...); +template ::value)> +void init_named_args(named_arg_info* named_args, int arg_count, + int named_arg_count, const T&, const Tail&... args) { + init_named_args(named_args, arg_count + 1, named_arg_count, args...); } -template::value)> -void init_named_args(named_arg_info *named_args, int arg_count, - int named_arg_count, const T &arg, const Tail &...args) { - named_args[named_arg_count++] = {arg.name, arg_count}; - init_named_args(named_args, arg_count + 1, named_arg_count, args...); +template ::value)> +void init_named_args(named_arg_info* named_args, int arg_count, + int named_arg_count, const T& arg, const Tail&... args) { + named_args[named_arg_count++] = {arg.name, arg_count}; + init_named_args(named_args, arg_count + 1, named_arg_count, args...); } -template +template FMT_CONSTEXPR FMT_INLINE void init_named_args(std::nullptr_t, int, int, - const Args &...) { -} + const Args&...) {} -template -constexpr auto count() -> size_t { - return B ? 1 : 0; -} -template -constexpr auto count() -> size_t { - return (B1 ? 1 : 0) + count(); +template constexpr auto count() -> size_t { return B ? 1 : 0; } +template constexpr auto count() -> size_t { + return (B1 ? 1 : 0) + count(); } -template -constexpr auto count_named_args() -> size_t { - return count::value...>(); +template constexpr auto count_named_args() -> size_t { + return count::value...>(); } -template +template constexpr auto count_statically_named_args() -> size_t { - return count::value...>(); + return count::value...>(); } struct unformattable {}; @@ -1356,135 +1220,103 @@ struct unformattable_char : unformattable {}; struct unformattable_const : unformattable {}; struct unformattable_pointer : unformattable {}; -template -struct string_value { - const Char *data; - size_t size; +template struct string_value { + const Char* data; + size_t size; }; -template -struct named_arg_value { - const named_arg_info *data; - size_t size; +template struct named_arg_value { + const named_arg_info* data; + size_t size; }; -template -struct custom_value { - using parse_context = typename Context::parse_context_type; - void *value; - void (*format)(void *arg, parse_context &parse_ctx, Context &ctx); +template struct custom_value { + using parse_context = typename Context::parse_context_type; + void* value; + void (*format)(void* arg, parse_context& parse_ctx, Context& ctx); }; // A formatting argument value. -template -class value { -public: - using char_type = typename Context::char_type; - - union { - monostate no_value; - int int_value; - unsigned uint_value; - long long long_long_value; - unsigned long long ulong_long_value; - int128_opt int128_value; - uint128_opt 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; - named_arg_value named_args; - }; - - constexpr FMT_INLINE value() - : no_value() { - } - constexpr FMT_INLINE value(int val) - : int_value(val) { - } - constexpr FMT_INLINE value(unsigned val) - : uint_value(val) { - } - constexpr FMT_INLINE value(long long val) - : long_long_value(val) { - } - constexpr FMT_INLINE value(unsigned long long val) - : ulong_long_value(val) { - } - FMT_INLINE value(int128_opt val) - : int128_value(val) { - } - FMT_INLINE value(uint128_opt val) - : uint128_value(val) { - } - constexpr FMT_INLINE value(float val) - : float_value(val) { - } - constexpr FMT_INLINE value(double val) - : double_value(val) { - } - FMT_INLINE value(long double val) - : long_double_value(val) { - } - constexpr FMT_INLINE value(bool val) - : bool_value(val) { - } - constexpr FMT_INLINE value(char_type val) - : char_value(val) { - } - FMT_CONSTEXPR FMT_INLINE value(const char_type *val) { - string.data = val; - if (is_constant_evaluated()) string.size = {}; - } - FMT_CONSTEXPR FMT_INLINE value(basic_string_view val) { - string.data = val.data(); - string.size = val.size(); - } - FMT_INLINE value(const void *val) - : pointer(val) { - } - FMT_INLINE value(const named_arg_info *args, size_t size) - : named_args{args, size} { - } - - template - FMT_CONSTEXPR FMT_INLINE value(T &val) { - using value_type = remove_cvref_t; - custom.value = const_cast(&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< - value_type, - conditional_t::value, - typename Context::template formatter_type, - fallback_formatter>>; - } - value(unformattable); - value(unformattable_char); - value(unformattable_const); - value(unformattable_pointer); - -private: - // Formats an argument of a custom type, such as a user-defined class. - template - static void format_custom_arg(void *arg, - typename Context::parse_context_type &parse_ctx, - Context &ctx) { - auto f = Formatter(); - parse_ctx.advance_to(f.parse(parse_ctx)); - using qualified_type = - conditional_t(), const T, T>; - ctx.advance_to(f.format(*static_cast(arg), ctx)); - } +template class value { + public: + using char_type = typename Context::char_type; + + union { + monostate no_value; + int int_value; + unsigned uint_value; + long long long_long_value; + unsigned long long ulong_long_value; + int128_opt int128_value; + uint128_opt 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; + named_arg_value named_args; + }; + + constexpr FMT_INLINE value() : no_value() {} + constexpr FMT_INLINE value(int val) : int_value(val) {} + constexpr FMT_INLINE value(unsigned val) : uint_value(val) {} + constexpr FMT_INLINE value(long long val) : long_long_value(val) {} + constexpr FMT_INLINE value(unsigned long long val) : ulong_long_value(val) {} + FMT_INLINE value(int128_opt val) : int128_value(val) {} + FMT_INLINE value(uint128_opt val) : uint128_value(val) {} + constexpr FMT_INLINE value(float val) : float_value(val) {} + constexpr FMT_INLINE value(double val) : double_value(val) {} + FMT_INLINE value(long double val) : long_double_value(val) {} + constexpr FMT_INLINE value(bool val) : bool_value(val) {} + constexpr FMT_INLINE value(char_type val) : char_value(val) {} + FMT_CONSTEXPR FMT_INLINE value(const char_type* val) { + string.data = val; + if (is_constant_evaluated()) string.size = {}; + } + FMT_CONSTEXPR FMT_INLINE value(basic_string_view val) { + string.data = val.data(); + string.size = val.size(); + } + FMT_INLINE value(const void* val) : pointer(val) {} + FMT_INLINE value(const named_arg_info* args, size_t size) + : named_args{args, size} {} + + template FMT_CONSTEXPR FMT_INLINE value(T& val) { + using value_type = remove_cvref_t; + custom.value = const_cast(&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< + value_type, + conditional_t::value, + typename Context::template formatter_type, + fallback_formatter>>; + } + value(unformattable); + value(unformattable_char); + value(unformattable_const); + value(unformattable_pointer); + + private: + // Formats an argument of a custom type, such as a user-defined class. + template + static void format_custom_arg(void* arg, + typename Context::parse_context_type& parse_ctx, + Context& ctx) { + auto f = Formatter(); + parse_ctx.advance_to(f.parse(parse_ctx)); + using qualified_type = + conditional_t(), const T, T>; + ctx.advance_to(f.format(*static_cast(arg), ctx)); + } }; -template -FMT_CONSTEXPR auto make_arg(T &&value) -> basic_format_arg; +template +FMT_CONSTEXPR auto make_arg(T&& value) -> basic_format_arg; // 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. @@ -1494,331 +1326,290 @@ using ulong_type = conditional_t; #ifdef __cpp_lib_byte inline auto format_as(std::byte b) -> unsigned char { - return static_cast(b); + return static_cast(b); } #endif -template -struct has_format_as { - template::value &&std::is_integral::value)> - static auto check(U *) -> std::true_type; - static auto check(...) -> std::false_type; +template struct has_format_as { + template ::value&& std::is_integral::value)> + static auto check(U*) -> std::true_type; + static auto check(...) -> std::false_type; - enum { value = decltype(check(static_cast(nullptr)))::value }; + enum { value = decltype(check(static_cast(nullptr)))::value }; }; // Maps formatting arguments to core types. // arg_mapper reports errors by returning unformattable instead of using // static_assert because it's used in the is_formattable trait. -template -struct arg_mapper { - using char_type = typename Context::char_type; - - FMT_CONSTEXPR FMT_INLINE auto map(signed char val) -> int { - return val; - } - FMT_CONSTEXPR FMT_INLINE auto map(unsigned char val) -> unsigned { - return val; - } - FMT_CONSTEXPR FMT_INLINE auto map(short val) -> int { - return val; - } - FMT_CONSTEXPR FMT_INLINE auto map(unsigned short val) -> unsigned { - return val; - } - FMT_CONSTEXPR FMT_INLINE auto map(int val) -> int { - return val; - } - FMT_CONSTEXPR FMT_INLINE auto map(unsigned val) -> unsigned { - return val; - } - FMT_CONSTEXPR FMT_INLINE auto map(long val) -> long_type { - return val; - } - FMT_CONSTEXPR FMT_INLINE auto map(unsigned long val) -> ulong_type { - return val; - } - FMT_CONSTEXPR FMT_INLINE auto map(long long val) -> long long { - return val; - } - FMT_CONSTEXPR FMT_INLINE auto map(unsigned long long val) - -> unsigned long long { - return val; - } - FMT_CONSTEXPR FMT_INLINE auto map(int128_opt val) -> int128_opt { - return val; - } - FMT_CONSTEXPR FMT_INLINE auto map(uint128_opt val) -> uint128_opt { - return val; - } - FMT_CONSTEXPR FMT_INLINE auto map(bool val) -> bool { - return val; - } - - template::value || - std::is_same::value)> - FMT_CONSTEXPR FMT_INLINE auto map(T val) -> char_type { - return val; - } - template::value || +template struct arg_mapper { + using char_type = typename Context::char_type; + + FMT_CONSTEXPR FMT_INLINE auto map(signed char val) -> int { return val; } + FMT_CONSTEXPR FMT_INLINE auto map(unsigned char val) -> unsigned { + return val; + } + FMT_CONSTEXPR FMT_INLINE auto map(short val) -> int { return val; } + FMT_CONSTEXPR FMT_INLINE auto map(unsigned short val) -> unsigned { + return val; + } + FMT_CONSTEXPR FMT_INLINE auto map(int val) -> int { return val; } + FMT_CONSTEXPR FMT_INLINE auto map(unsigned val) -> unsigned { return val; } + FMT_CONSTEXPR FMT_INLINE auto map(long val) -> long_type { return val; } + FMT_CONSTEXPR FMT_INLINE auto map(unsigned long val) -> ulong_type { + return val; + } + FMT_CONSTEXPR FMT_INLINE auto map(long long val) -> long long { return val; } + FMT_CONSTEXPR FMT_INLINE auto map(unsigned long long val) + -> unsigned long long { + return val; + } + FMT_CONSTEXPR FMT_INLINE auto map(int128_opt val) -> int128_opt { + return val; + } + FMT_CONSTEXPR FMT_INLINE auto map(uint128_opt val) -> uint128_opt { + return val; + } + FMT_CONSTEXPR FMT_INLINE auto map(bool val) -> bool { return val; } + + template ::value || + std::is_same::value)> + FMT_CONSTEXPR FMT_INLINE auto map(T val) -> char_type { + return val; + } + template ::value || #ifdef __cpp_char8_t - std::is_same::value || + std::is_same::value || #endif - std::is_same::value || - std::is_same::value) && - !std::is_same::value, - int> = 0> - FMT_CONSTEXPR FMT_INLINE auto map(T) -> unformattable_char { - return {}; - } + std::is_same::value || + std::is_same::value) && + !std::is_same::value, + int> = 0> + FMT_CONSTEXPR FMT_INLINE auto map(T) -> unformattable_char { + return {}; + } + + FMT_CONSTEXPR FMT_INLINE auto map(float val) -> float { return val; } + FMT_CONSTEXPR FMT_INLINE auto map(double val) -> double { return val; } + FMT_CONSTEXPR FMT_INLINE auto map(long double val) -> long double { + return val; + } + + FMT_CONSTEXPR FMT_INLINE auto map(char_type* val) -> const char_type* { + return val; + } + FMT_CONSTEXPR FMT_INLINE auto map(const char_type* val) -> const char_type* { + return val; + } + template ::value && !std::is_pointer::value && + std::is_same>::value)> + FMT_CONSTEXPR FMT_INLINE auto map(const T& val) + -> basic_string_view { + return to_string_view(val); + } + template ::value && !std::is_pointer::value && + !std::is_same>::value)> + FMT_CONSTEXPR FMT_INLINE auto map(const T&) -> unformattable_char { + return {}; + } + template >::value && + !is_string::value && !has_formatter::value && + !has_fallback_formatter::value)> + FMT_CONSTEXPR FMT_INLINE auto map(const T& val) + -> basic_string_view { + return basic_string_view(val); + } + template >::value && + !std::is_convertible>::value && + !is_string::value && !has_formatter::value && + !has_fallback_formatter::value)> + FMT_CONSTEXPR FMT_INLINE auto map(const T& val) + -> basic_string_view { + return std_string_view(val); + } + + FMT_CONSTEXPR FMT_INLINE auto map(void* val) -> const void* { return val; } + FMT_CONSTEXPR FMT_INLINE auto map(const void* val) -> const void* { + return val; + } + FMT_CONSTEXPR FMT_INLINE auto map(std::nullptr_t val) -> const void* { + return val; + } + + // We use SFINAE instead of a const T* parameter to avoid conflicting with + // the C array overload. + template < + typename T, + FMT_ENABLE_IF( + std::is_pointer::value || std::is_member_pointer::value || + std::is_function::type>::value || + (std::is_convertible::value && + !std::is_convertible::value && + !has_formatter::value))> + FMT_CONSTEXPR auto map(const T&) -> unformattable_pointer { + return {}; + } + + template ::value)> + FMT_CONSTEXPR FMT_INLINE auto map(const T (&values)[N]) -> const T (&)[N] { + return values; + } + + template ::value&& std::is_convertible::value && + !has_format_as::value && !has_formatter::value && + !has_fallback_formatter::value)> + FMT_DEPRECATED FMT_CONSTEXPR FMT_INLINE auto map(const T& val) + -> decltype(std::declval().map( + static_cast>(val))) { + return map(static_cast>(val)); + } + + template ::value && + !has_formatter::value)> + FMT_CONSTEXPR FMT_INLINE auto map(const T& val) + -> decltype(std::declval().map(format_as(T()))) { + return map(format_as(val)); + } + + template > + struct formattable + : bool_constant() || + !std::is_const>::value || + has_fallback_formatter::value> {}; - FMT_CONSTEXPR FMT_INLINE auto map(float val) -> float { - return val; - } - FMT_CONSTEXPR FMT_INLINE auto map(double val) -> double { - return val; - } - FMT_CONSTEXPR FMT_INLINE auto map(long double val) -> long double { - return val; - } +#if (FMT_MSC_VERSION != 0 && FMT_MSC_VERSION < 1910) || \ + FMT_ICC_VERSION != 0 || defined(__NVCC__) + // Workaround a bug in MSVC and Intel (Issue 2746). + template FMT_CONSTEXPR FMT_INLINE auto do_map(T&& val) -> T& { + return val; + } +#else + template ::value)> + FMT_CONSTEXPR FMT_INLINE auto do_map(T&& val) -> T& { + return val; + } + template ::value)> + FMT_CONSTEXPR FMT_INLINE auto do_map(T&&) -> unformattable_const { + return {}; + } +#endif + + template , + FMT_ENABLE_IF(!is_string::value && !is_char::value && + !std::is_array::value && + !std::is_pointer::value && + !has_format_as::value && + (has_formatter::value || + has_fallback_formatter::value))> + FMT_CONSTEXPR FMT_INLINE auto map(T&& val) + -> decltype(this->do_map(std::forward(val))) { + return do_map(std::forward(val)); + } + + template ::value)> + FMT_CONSTEXPR FMT_INLINE auto map(const T& named_arg) + -> decltype(std::declval().map(named_arg.value)) { + return map(named_arg.value); + } + + auto map(...) -> unformattable { return {}; } +}; - FMT_CONSTEXPR FMT_INLINE auto map(char_type *val) -> const char_type * { - return val; - } - FMT_CONSTEXPR FMT_INLINE auto map(const char_type *val) -> const char_type * { - return val; - } - template::value && !std::is_pointer::value && - std::is_same>::value)> - FMT_CONSTEXPR FMT_INLINE auto map(const T &val) - -> basic_string_view { - return to_string_view(val); - } - template::value && !std::is_pointer::value && - !std::is_same>::value)> - FMT_CONSTEXPR FMT_INLINE auto map(const T &) -> unformattable_char { - return {}; - } - template>::value && - !is_string::value && !has_formatter::value && - !has_fallback_formatter::value)> - FMT_CONSTEXPR FMT_INLINE auto map(const T &val) - -> basic_string_view { - return basic_string_view(val); - } - template>::value && - !std::is_convertible>::value && - !is_string::value && !has_formatter::value && - !has_fallback_formatter::value)> - FMT_CONSTEXPR FMT_INLINE auto map(const T &val) - -> basic_string_view { - return std_string_view(val); - } +// A type constant after applying arg_mapper. +template +using mapped_type_constant = + type_constant().map(std::declval())), + typename Context::char_type>; - FMT_CONSTEXPR FMT_INLINE auto map(void *val) -> const void * { - return val; - } - FMT_CONSTEXPR FMT_INLINE auto map(const void *val) -> const void * { - return val; - } - FMT_CONSTEXPR FMT_INLINE auto map(std::nullptr_t val) -> const void * { - return val; - } +enum { packed_arg_bits = 4 }; +// Maximum number of arguments with packed types. +enum { max_packed_args = 62 / packed_arg_bits }; +enum : unsigned long long { is_unpacked_bit = 1ULL << 63 }; +enum : unsigned long long { has_named_args_bit = 1ULL << 62 }; - // We use SFINAE instead of a const T* parameter to avoid conflicting with - // the C array overload. - template< - typename T, - FMT_ENABLE_IF( - std::is_pointer::value || std::is_member_pointer::value || - std::is_function::type>::value || - (std::is_convertible::value && - !std::is_convertible::value && - !has_formatter::value))> - FMT_CONSTEXPR auto map(const T &) -> unformattable_pointer { - return {}; - } +FMT_END_DETAIL_NAMESPACE - template::value)> - FMT_CONSTEXPR FMT_INLINE auto map(const T (&values)[N]) -> const T (&)[N] { - return values; - } +// An output iterator that appends to a buffer. +// It is used to reduce symbol sizes for the common case. +class appender : public std::back_insert_iterator> { + using base = std::back_insert_iterator>; - template::value &&std::is_convertible::value && - !has_format_as::value && !has_formatter::value && - !has_fallback_formatter::value)> - FMT_DEPRECATED FMT_CONSTEXPR FMT_INLINE auto map(const T &val) - -> decltype(std::declval().map( - static_cast>(val))) { - return map(static_cast>(val)); - } + template + friend auto get_buffer(appender out) -> detail::buffer& { + return detail::get_container(out); + } - template::value && - !has_formatter::value)> - FMT_CONSTEXPR FMT_INLINE auto map(const T &val) - -> decltype(std::declval().map(format_as(T()))) { - return map(format_as(val)); - } + public: + using std::back_insert_iterator>::back_insert_iterator; + appender(base it) noexcept : base(it) {} + FMT_UNCHECKED_ITERATOR(appender); - template> - struct formattable - : bool_constant() || - !std::is_const>::value || - has_fallback_formatter::value> {}; - -#if (FMT_MSC_VERSION != 0 && FMT_MSC_VERSION < 1910) || \ - FMT_ICC_VERSION != 0 || defined(__NVCC__) - // Workaround a bug in MSVC and Intel (Issue 2746). - template - FMT_CONSTEXPR FMT_INLINE auto do_map(T &&val) -> T & { - return val; - } -#else - template::value)> - FMT_CONSTEXPR FMT_INLINE auto do_map(T &&val) -> T & { - return val; - } - template::value)> - FMT_CONSTEXPR FMT_INLINE auto do_map(T &&) -> unformattable_const { - return {}; - } -#endif - - template, - FMT_ENABLE_IF(!is_string::value && !is_char::value && - !std::is_array::value && - !std::is_pointer::value && - !has_format_as::value && - (has_formatter::value || - has_fallback_formatter::value))> - FMT_CONSTEXPR FMT_INLINE auto map(T &&val) - -> decltype(this->do_map(std::forward(val))) { - return do_map(std::forward(val)); - } - - template::value)> - FMT_CONSTEXPR FMT_INLINE auto map(const T &named_arg) - -> decltype(std::declval().map(named_arg.value)) { - return map(named_arg.value); - } - - auto map(...) -> unformattable { - return {}; - } -}; - -// 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 = 4 }; -// Maximum number of arguments with packed types. -enum { max_packed_args = 62 / packed_arg_bits }; -enum : unsigned long long { is_unpacked_bit = 1ULL << 63 }; -enum : unsigned long long { has_named_args_bit = 1ULL << 62 }; - -FMT_END_DETAIL_NAMESPACE - -// An output iterator that appends to a buffer. -// It is used to reduce symbol sizes for the common case. -class appender : public std::back_insert_iterator> { - using base = std::back_insert_iterator>; - - template - friend auto get_buffer(appender out) -> detail::buffer & { - return detail::get_container(out); - } - -public: - using std::back_insert_iterator>::back_insert_iterator; - appender(base it) noexcept - : base(it) { - } - FMT_UNCHECKED_ITERATOR(appender); - - auto operator++() noexcept -> appender & { - return *this; - } - auto operator++(int) noexcept -> appender { - return *this; - } -}; + auto operator++() noexcept -> appender& { return *this; } + auto operator++(int) noexcept -> appender { return *this; } +}; // A formatting argument. It is a trivially copyable/constructible type to // allow storage in basic_memory_buffer. -template -class basic_format_arg { -private: - detail::value value_; - detail::type type_; +template class basic_format_arg { + private: + detail::value value_; + detail::type type_; - template - friend FMT_CONSTEXPR auto detail::make_arg(T &&value) - -> basic_format_arg; + template + friend FMT_CONSTEXPR auto detail::make_arg(T&& value) + -> basic_format_arg; - template - friend FMT_CONSTEXPR auto visit_format_arg(Visitor &&vis, - const basic_format_arg &arg) - -> decltype(vis(0)); + 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 dynamic_format_arg_store; + friend class basic_format_args; + friend class dynamic_format_arg_store; - using char_type = typename Context::char_type; + using char_type = typename Context::char_type; - template - friend struct detail::arg_data; + template + friend struct detail::arg_data; - basic_format_arg(const detail::named_arg_info *args, size_t size) - : value_(args, size) { - } + basic_format_arg(const detail::named_arg_info* args, size_t size) + : value_(args, size) {} -public: - class handle { - public: - explicit handle(detail::custom_value custom) - : custom_(custom) { - } + public: + class handle { + public: + explicit handle(detail::custom_value custom) : custom_(custom) {} - void format(typename Context::parse_context_type &parse_ctx, - Context &ctx) const { - custom_.format(custom_.value, parse_ctx, ctx); - } + void format(typename Context::parse_context_type& parse_ctx, + Context& ctx) const { + custom_.format(custom_.value, parse_ctx, ctx); + } - private: - detail::custom_value custom_; - }; + private: + detail::custom_value custom_; + }; - constexpr basic_format_arg() - : type_(detail::type::none_type) { - } + constexpr basic_format_arg() : type_(detail::type::none_type) {} - constexpr explicit operator bool() const noexcept { - return type_ != detail::type::none_type; - } + constexpr explicit operator bool() const noexcept { + return type_ != detail::type::none_type; + } - auto type() const -> detail::type { - return type_; - } + auto type() const -> detail::type { return type_; } - auto is_integral() const -> bool { - return detail::is_integral_type(type_); - } - auto is_arithmetic() const -> bool { - return detail::is_arithmetic_type(type_); - } + auto is_integral() const -> bool { return detail::is_integral_type(type_); } + auto is_arithmetic() const -> bool { + return detail::is_arithmetic_type(type_); + } }; /** @@ -1828,257 +1619,235 @@ class basic_format_arg { ``vis(value)`` will be called with the value of type ``double``. \endrst */ -template +template FMT_CONSTEXPR FMT_INLINE auto visit_format_arg( - Visitor &&vis, const basic_format_arg &arg) -> decltype(vis(0)) { - switch (arg.type_) { - case detail::type::none_type: - break; - case detail::type::int_type: - return vis(arg.value_.int_value); - case detail::type::uint_type: - return vis(arg.value_.uint_value); - case detail::type::long_long_type: - return vis(arg.value_.long_long_value); - case detail::type::ulong_long_type: - return vis(arg.value_.ulong_long_value); - case detail::type::int128_type: - return vis(detail::convert_for_visit(arg.value_.int128_value)); - case detail::type::uint128_type: - return vis(detail::convert_for_visit(arg.value_.uint128_value)); - case detail::type::bool_type: - return vis(arg.value_.bool_value); - case detail::type::char_type: - return vis(arg.value_.char_value); - case detail::type::float_type: - return vis(arg.value_.float_value); - case detail::type::double_type: - return vis(arg.value_.double_value); - case detail::type::long_double_type: - return vis(arg.value_.long_double_value); - case detail::type::cstring_type: - return vis(arg.value_.string.data); - case detail::type::string_type: - using sv = basic_string_view; - return vis(sv(arg.value_.string.data, arg.value_.string.size)); - case detail::type::pointer_type: - return vis(arg.value_.pointer); - case detail::type::custom_type: - return vis(typename basic_format_arg::handle(arg.value_.custom)); - } - return vis(monostate()); + Visitor&& vis, const basic_format_arg& arg) -> decltype(vis(0)) { + switch (arg.type_) { + case detail::type::none_type: + break; + case detail::type::int_type: + return vis(arg.value_.int_value); + case detail::type::uint_type: + return vis(arg.value_.uint_value); + case detail::type::long_long_type: + return vis(arg.value_.long_long_value); + case detail::type::ulong_long_type: + return vis(arg.value_.ulong_long_value); + case detail::type::int128_type: + return vis(detail::convert_for_visit(arg.value_.int128_value)); + case detail::type::uint128_type: + return vis(detail::convert_for_visit(arg.value_.uint128_value)); + case detail::type::bool_type: + return vis(arg.value_.bool_value); + case detail::type::char_type: + return vis(arg.value_.char_value); + case detail::type::float_type: + return vis(arg.value_.float_value); + case detail::type::double_type: + return vis(arg.value_.double_value); + case detail::type::long_double_type: + return vis(arg.value_.long_double_value); + case detail::type::cstring_type: + return vis(arg.value_.string.data); + case detail::type::string_type: + using sv = basic_string_view; + return vis(sv(arg.value_.string.data, arg.value_.string.size)); + case detail::type::pointer_type: + return vis(arg.value_.pointer); + case detail::type::custom_type: + return vis(typename basic_format_arg::handle(arg.value_.custom)); + } + return vis(monostate()); } FMT_BEGIN_DETAIL_NAMESPACE -template +template auto copy_str(InputIt begin, InputIt end, appender out) -> appender { - get_container(out).append(begin, end); - return out; + get_container(out).append(begin, end); + return out; } -template -FMT_CONSTEXPR auto copy_str(R &&rng, OutputIt out) -> OutputIt { - return detail::copy_str(rng.begin(), rng.end(), out); +template +FMT_CONSTEXPR auto copy_str(R&& rng, OutputIt out) -> OutputIt { + return detail::copy_str(rng.begin(), rng.end(), out); } #if FMT_GCC_VERSION && FMT_GCC_VERSION < 500 // A workaround for gcc 4.8 to make void_t work in a SFINAE context. -template -struct void_t_impl { using type = void; }; -template +template struct void_t_impl { using type = void; }; +template using void_t = typename detail::void_t_impl::type; #else -template -using void_t = void; +template using void_t = void; #endif -template +template struct is_output_iterator : std::false_type {}; -template +template struct is_output_iterator< It, T, void_t::iterator_category, decltype(*std::declval() = std::declval())>> : std::true_type {}; -template +template struct is_back_insert_iterator : std::false_type {}; -template +template struct is_back_insert_iterator> : std::true_type {}; -template +template struct is_contiguous_back_insert_iterator : std::false_type {}; -template +template struct is_contiguous_back_insert_iterator> : is_contiguous {}; -template<> +template <> struct is_contiguous_back_insert_iterator : std::true_type {}; // A type-erased reference to an std::locale to avoid a heavy include. class locale_ref { -private: - const void *locale_; // A type-erased pointer to std::locale. + private: + const void* locale_; // A type-erased pointer to std::locale. -public: - constexpr locale_ref() - : locale_(nullptr) { - } - template - explicit locale_ref(const Locale &loc); + public: + constexpr locale_ref() : locale_(nullptr) {} + template explicit locale_ref(const Locale& loc); - explicit operator bool() const noexcept { - return locale_ != nullptr; - } + explicit operator bool() const noexcept { return locale_ != nullptr; } - template - auto get() const -> Locale; + template auto get() const -> Locale; }; -template -constexpr auto encode_types() -> unsigned long long { - return 0; +template constexpr auto encode_types() -> unsigned long long { + return 0; } -template +template constexpr auto encode_types() -> unsigned long long { - return static_cast(mapped_type_constant::value) | - (encode_types() << packed_arg_bits); + return static_cast(mapped_type_constant::value) | + (encode_types() << packed_arg_bits); } -template -FMT_CONSTEXPR FMT_INLINE auto make_value(T &&val) -> value { - const auto &arg = arg_mapper().map(FMT_FORWARD(val)); +template +FMT_CONSTEXPR FMT_INLINE auto make_value(T&& val) -> value { + const auto& arg = arg_mapper().map(FMT_FORWARD(val)); - constexpr bool formattable_char = - !std::is_same::value; - static_assert(formattable_char, "Mixing character types is disallowed."); + constexpr bool formattable_char = + !std::is_same::value; + static_assert(formattable_char, "Mixing character types is disallowed."); - constexpr bool formattable_const = - !std::is_same::value; - static_assert(formattable_const, "Cannot format a const argument."); + constexpr bool formattable_const = + !std::is_same::value; + static_assert(formattable_const, "Cannot format a const argument."); - // 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. - constexpr bool formattable_pointer = - !std::is_same::value; - static_assert(formattable_pointer, - "Formatting of non-void pointers is disallowed."); + // 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. + constexpr bool formattable_pointer = + !std::is_same::value; + static_assert(formattable_pointer, + "Formatting of non-void pointers is disallowed."); - constexpr bool formattable = - !std::is_same::value; - static_assert( - formattable, - "Cannot format an argument. To make type T formattable provide a " - "formatter specialization: https://fmt.dev/latest/api.html#udt"); - return {arg}; + constexpr bool formattable = + !std::is_same::value; + static_assert( + formattable, + "Cannot format an argument. To make type T formattable provide a " + "formatter specialization: https://fmt.dev/latest/api.html#udt"); + return {arg}; } -template -FMT_CONSTEXPR auto make_arg(T &&value) -> basic_format_arg { - basic_format_arg arg; - arg.type_ = mapped_type_constant::value; - arg.value_ = make_value(value); - return arg; +template +FMT_CONSTEXPR auto make_arg(T&& value) -> basic_format_arg { + basic_format_arg arg; + arg.type_ = mapped_type_constant::value; + arg.value_ = make_value(value); + return arg; } // The type template parameter is there to avoid an ODR violation when using // a fallback formatter in one translation unit and an implicit conversion in // another (not recommended). -template -FMT_CONSTEXPR FMT_INLINE auto make_arg(T &&val) -> value { - return make_value(val); +template +FMT_CONSTEXPR FMT_INLINE auto make_arg(T&& val) -> value { + return make_value(val); } -template -FMT_CONSTEXPR inline auto make_arg(T &&value) -> basic_format_arg { - return make_arg(value); +template +FMT_CONSTEXPR inline auto make_arg(T&& value) -> basic_format_arg { + return make_arg(value); } FMT_END_DETAIL_NAMESPACE // 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_; - detail::locale_ref loc_; - -public: - using iterator = OutputIt; - using format_arg = basic_format_arg; - using parse_context_type = basic_format_parse_context; - template - using formatter_type = formatter; - - basic_format_context(basic_format_context &&) = default; - 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. - */ - constexpr basic_format_context( - OutputIt out, basic_format_args ctx_args, - detail::locale_ref loc = detail::locale_ref()) - : out_(out), args_(ctx_args), loc_(loc) { - } - - constexpr auto arg(int id) const -> format_arg { - return args_.get(id); - } - FMT_CONSTEXPR auto arg(basic_string_view name) -> format_arg { - return args_.get(name); - } - FMT_CONSTEXPR auto arg_id(basic_string_view name) -> int { - return args_.get_id(name); - } - auto args() const -> const basic_format_args & { - return args_; - } - - FMT_CONSTEXPR auto error_handler() -> detail::error_handler { - return {}; - } - void on_error(const char *message) { - error_handler().on_error(message); - } - - // Returns an iterator to the beginning of the output range. - FMT_CONSTEXPR auto out() -> iterator { - return out_; - } - - // Advances the begin iterator to ``it``. - void advance_to(iterator it) { - if (!detail::is_back_insert_iterator()) out_ = it; - } - - FMT_CONSTEXPR auto locale() -> detail::locale_ref { - return loc_; - } +template class basic_format_context { + public: + /** The character type for the output. */ + using char_type = Char; + + private: + OutputIt out_; + basic_format_args args_; + detail::locale_ref loc_; + + public: + using iterator = OutputIt; + using format_arg = basic_format_arg; + using parse_context_type = basic_format_parse_context; + template using formatter_type = formatter; + + basic_format_context(basic_format_context&&) = default; + 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. + */ + constexpr basic_format_context( + OutputIt out, basic_format_args ctx_args, + detail::locale_ref loc = detail::locale_ref()) + : out_(out), args_(ctx_args), loc_(loc) {} + + constexpr auto arg(int id) const -> format_arg { return args_.get(id); } + FMT_CONSTEXPR auto arg(basic_string_view name) -> format_arg { + return args_.get(name); + } + FMT_CONSTEXPR auto arg_id(basic_string_view name) -> int { + return args_.get_id(name); + } + auto args() const -> const basic_format_args& { + return args_; + } + + FMT_CONSTEXPR auto error_handler() -> detail::error_handler { return {}; } + void on_error(const char* message) { error_handler().on_error(message); } + + // Returns an iterator to the beginning of the output range. + FMT_CONSTEXPR auto out() -> iterator { return out_; } + + // Advances the begin iterator to ``it``. + void advance_to(iterator it) { + if (!detail::is_back_insert_iterator()) out_ = it; + } + + FMT_CONSTEXPR auto locale() -> detail::locale_ref { return loc_; } }; -template +template using buffer_context = basic_format_context, Char>; using format_context = buffer_context; // Workaround an alias issue: https://stackoverflow.com/q/62767544/471164. #define FMT_BUFFER_CONTEXT(Char) \ - basic_format_context, Char> + basic_format_context, Char> -template +template using is_formattable = bool_constant< !std::is_base_of>().map( @@ -2092,44 +1861,47 @@ using is_formattable = bool_constant< such as `~fmt::vformat`. \endrst */ -template +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 size_t num_named_args = detail::count_named_args(); - static const bool is_packed = num_args <= detail::max_packed_args; - - using value_type = conditional_t, - basic_format_arg>; - - detail::arg_data - data_; - - friend class basic_format_args; - - static constexpr unsigned long long desc = - (is_packed ? detail::encode_types() : detail::is_unpacked_bit | num_args) | - (num_named_args != 0 ? static_cast(detail::has_named_args_bit) : 0); - -public: - template - FMT_CONSTEXPR FMT_INLINE format_arg_store(T &&...args) - : + private: + static const size_t num_args = sizeof...(Args); + static const size_t num_named_args = detail::count_named_args(); + static const bool is_packed = num_args <= detail::max_packed_args; + + using value_type = conditional_t, + basic_format_arg>; + + detail::arg_data + data_; + + friend class basic_format_args; + + static constexpr unsigned long long desc = + (is_packed ? detail::encode_types() + : detail::is_unpacked_bit | num_args) | + (num_named_args != 0 + ? static_cast(detail::has_named_args_bit) + : 0); + + public: + template + FMT_CONSTEXPR FMT_INLINE format_arg_store(T&&... args) + : #if FMT_GCC_VERSION && FMT_GCC_VERSION < 409 - basic_format_args(*this), -#endif - data_{detail::make_arg< - is_packed, Context, - detail::mapped_type_constant, Context>::value>( - FMT_FORWARD(args))...} { - detail::init_named_args(data_.named_args(), 0, 0, args...); - } + basic_format_args(*this), +#endif + data_{detail::make_arg< + is_packed, Context, + detail::mapped_type_constant, Context>::value>( + FMT_FORWARD(args))...} { + detail::init_named_args(data_.named_args(), 0, 0, args...); + } }; /** @@ -2140,10 +1912,10 @@ class format_arg_store See `~fmt::arg` for lifetime considerations. \endrst */ -template -constexpr auto make_format_args(Args &&...args) +template +constexpr auto make_format_args(Args&&... args) -> format_arg_store...> { - return {FMT_FORWARD(args)...}; + return {FMT_FORWARD(args)...}; } /** @@ -2157,10 +1929,10 @@ constexpr auto make_format_args(Args &&...args) fmt::print("Elapsed time: {s:.2f} seconds", fmt::arg("s", 1.23)); \endrst */ -template -inline auto arg(const Char *name, const T &arg) -> detail::named_arg { - static_assert(!detail::is_named_arg(), "nested named arguments"); - return {name, arg}; +template +inline auto arg(const Char* name, const T& arg) -> detail::named_arg { + static_assert(!detail::is_named_arg(), "nested named arguments"); + return {name, arg}; } /** @@ -2173,122 +1945,115 @@ inline auto arg(const Char *name, const T &arg) -> detail::named_arg { 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: - // A descriptor that contains information about formatting arguments. - // If the number of arguments is less or equal to max_packed_args then - // argument types are passed in the descriptor. This reduces binary code size - // per formatting function call. - unsigned long long desc_; - union { - // If is_packed() returns true then argument values are stored in values_; - // otherwise they are stored in args_. This is done to improve cache - // locality and reduce compiled code size since 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 detail::value *values_; - const format_arg *args_; - }; - - constexpr auto is_packed() const -> bool { - return (desc_ & detail::is_unpacked_bit) == 0; - } - auto has_named_args() const -> bool { - return (desc_ & detail::has_named_args_bit) != 0; - } - - FMT_CONSTEXPR auto type(int index) const -> detail::type { - int shift = index * detail::packed_arg_bits; - unsigned int mask = (1 << detail::packed_arg_bits) - 1; - return static_cast((desc_ >> shift) & mask); - } - - constexpr FMT_INLINE basic_format_args(unsigned long long desc, - const detail::value *values) - : desc_(desc), values_(values) { - } - constexpr basic_format_args(unsigned long long desc, const format_arg *args) - : desc_(desc), args_(args) { - } - -public: - constexpr basic_format_args() - : desc_(0), args_(nullptr) { - } - - /** - \rst - Constructs a `basic_format_args` object from `~fmt::format_arg_store`. - \endrst - */ - template - constexpr FMT_INLINE basic_format_args( - const format_arg_store &store) - : basic_format_args(format_arg_store::desc, - store.data_.args()) { - } - - /** - \rst - Constructs a `basic_format_args` object from - `~fmt::dynamic_format_arg_store`. - \endrst - */ - constexpr FMT_INLINE basic_format_args( - const dynamic_format_arg_store &store) - : basic_format_args(store.get_types(), store.data()) { - } - - /** - \rst - Constructs a `basic_format_args` object from a dynamic set of arguments. - \endrst - */ - constexpr basic_format_args(const format_arg *args, int count) - : basic_format_args(detail::is_unpacked_bit | detail::to_unsigned(count), - args) { - } - - /** Returns the argument with the specified id. */ - FMT_CONSTEXPR auto get(int id) const -> format_arg { - format_arg arg; - if (!is_packed()) { - if (id < max_size()) arg = args_[id]; - return arg; - } - if (id >= detail::max_packed_args) return arg; - arg.type_ = type(id); - if (arg.type_ == detail::type::none_type) return arg; - arg.value_ = values_[id]; - return arg; - } - - template - auto get(basic_string_view name) const -> format_arg { - int id = get_id(name); - return id >= 0 ? get(id) : format_arg(); - } - - template - auto get_id(basic_string_view name) const -> int { - if (!has_named_args()) return -1; - const auto &named_args = - (is_packed() ? values_[-1] : args_[-1].value_).named_args; - for (size_t i = 0; i < named_args.size; ++i) { - if (named_args.data[i].name == name) return named_args.data[i].id; - } - return -1; - } - - auto max_size() const -> int { - unsigned long long max_packed = detail::max_packed_args; - return static_cast(is_packed() ? max_packed : desc_ & ~detail::is_unpacked_bit); - } +template class basic_format_args { + public: + using size_type = int; + using format_arg = basic_format_arg; + + private: + // A descriptor that contains information about formatting arguments. + // If the number of arguments is less or equal to max_packed_args then + // argument types are passed in the descriptor. This reduces binary code size + // per formatting function call. + unsigned long long desc_; + union { + // If is_packed() returns true then argument values are stored in values_; + // otherwise they are stored in args_. This is done to improve cache + // locality and reduce compiled code size since 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 detail::value* values_; + const format_arg* args_; + }; + + constexpr auto is_packed() const -> bool { + return (desc_ & detail::is_unpacked_bit) == 0; + } + auto has_named_args() const -> bool { + return (desc_ & detail::has_named_args_bit) != 0; + } + + FMT_CONSTEXPR auto type(int index) const -> detail::type { + int shift = index * detail::packed_arg_bits; + unsigned int mask = (1 << detail::packed_arg_bits) - 1; + return static_cast((desc_ >> shift) & mask); + } + + constexpr FMT_INLINE basic_format_args(unsigned long long desc, + const detail::value* values) + : desc_(desc), values_(values) {} + constexpr basic_format_args(unsigned long long desc, const format_arg* args) + : desc_(desc), args_(args) {} + + public: + constexpr basic_format_args() : desc_(0), args_(nullptr) {} + + /** + \rst + Constructs a `basic_format_args` object from `~fmt::format_arg_store`. + \endrst + */ + template + constexpr FMT_INLINE basic_format_args( + const format_arg_store& store) + : basic_format_args(format_arg_store::desc, + store.data_.args()) {} + + /** + \rst + Constructs a `basic_format_args` object from + `~fmt::dynamic_format_arg_store`. + \endrst + */ + constexpr FMT_INLINE basic_format_args( + const dynamic_format_arg_store& store) + : basic_format_args(store.get_types(), store.data()) {} + + /** + \rst + Constructs a `basic_format_args` object from a dynamic set of arguments. + \endrst + */ + constexpr basic_format_args(const format_arg* args, int count) + : basic_format_args(detail::is_unpacked_bit | detail::to_unsigned(count), + args) {} + + /** Returns the argument with the specified id. */ + FMT_CONSTEXPR auto get(int id) const -> format_arg { + format_arg arg; + if (!is_packed()) { + if (id < max_size()) arg = args_[id]; + return arg; + } + if (id >= detail::max_packed_args) return arg; + arg.type_ = type(id); + if (arg.type_ == detail::type::none_type) return arg; + arg.value_ = values_[id]; + return arg; + } + + template + auto get(basic_string_view name) const -> format_arg { + int id = get_id(name); + return id >= 0 ? get(id) : format_arg(); + } + + template + auto get_id(basic_string_view name) const -> int { + if (!has_named_args()) return -1; + const auto& named_args = + (is_packed() ? values_[-1] : args_[-1].value_).named_args; + for (size_t i = 0; i < named_args.size; ++i) { + if (named_args.data[i].name == name) return named_args.data[i].id; + } + return -1; + } + + auto max_size() const -> int { + unsigned long long max_packed = detail::max_packed_args; + return static_cast(is_packed() ? max_packed + : desc_ & ~detail::is_unpacked_bit); + } }; /** An alias to ``basic_format_args``. */ @@ -2301,9 +2066,9 @@ using format_args = basic_format_args; // Additionally, if an underlying type is specified, older gcc incorrectly warns // that the type is too small. Both bugs are fixed in gcc 9.3. #if FMT_GCC_VERSION && FMT_GCC_VERSION < 903 -#define FMT_ENUM_UNDERLYING_TYPE(type) +# define FMT_ENUM_UNDERLYING_TYPE(type) #else -#define FMT_ENUM_UNDERLYING_TYPE(type) : type +# define FMT_ENUM_UNDERLYING_TYPE(type) : type #endif namespace align { enum type FMT_ENUM_UNDERLYING_TYPE(unsigned char){none, left, right, center, @@ -2318,1109 +2083,1045 @@ using sign_t = sign::type; FMT_BEGIN_DETAIL_NAMESPACE // Workaround an array initialization issue in gcc 4.8. -template -struct fill_t { -private: - enum { max_size = 4 }; - Char data_[max_size] = {Char(' '), Char(0), Char(0), Char(0)}; - unsigned char size_ = 1; - -public: - FMT_CONSTEXPR void operator=(basic_string_view s) { - auto size = s.size(); - if (size > max_size) return throw_format_error("invalid fill"); - for (size_t i = 0; i < size; ++i) - data_[i] = s[i]; - size_ = static_cast(size); - } - - constexpr auto size() const -> size_t { - return size_; - } - constexpr auto data() const -> const Char * { - return data_; - } - - FMT_CONSTEXPR auto operator[](size_t index) -> Char & { - return data_[index]; - } - FMT_CONSTEXPR auto operator[](size_t index) const -> const Char & { - return data_[index]; - } +template struct fill_t { + private: + enum { max_size = 4 }; + Char data_[max_size] = {Char(' '), Char(0), Char(0), Char(0)}; + unsigned char size_ = 1; + + public: + FMT_CONSTEXPR void operator=(basic_string_view s) { + auto size = s.size(); + if (size > max_size) return throw_format_error("invalid fill"); + for (size_t i = 0; i < size; ++i) data_[i] = s[i]; + size_ = static_cast(size); + } + + constexpr auto size() const -> size_t { return size_; } + constexpr auto data() const -> const Char* { return data_; } + + FMT_CONSTEXPR auto operator[](size_t index) -> Char& { return data_[index]; } + FMT_CONSTEXPR auto operator[](size_t index) const -> const Char& { + return data_[index]; + } }; FMT_END_DETAIL_NAMESPACE enum class presentation_type : unsigned char { - none, - // Integer types should go first, - dec, // 'd' - oct, // 'o' - hex_lower, // 'x' - hex_upper, // 'X' - bin_lower, // 'b' - bin_upper, // 'B' - hexfloat_lower, // 'a' - hexfloat_upper, // 'A' - exp_lower, // 'e' - exp_upper, // 'E' - fixed_lower, // 'f' - fixed_upper, // 'F' - general_lower, // 'g' - general_upper, // 'G' - chr, // 'c' - string, // 's' - pointer, // 'p' - debug // '?' + none, + // Integer types should go first, + dec, // 'd' + oct, // 'o' + hex_lower, // 'x' + hex_upper, // 'X' + bin_lower, // 'b' + bin_upper, // 'B' + hexfloat_lower, // 'a' + hexfloat_upper, // 'A' + exp_lower, // 'e' + exp_upper, // 'E' + fixed_lower, // 'f' + fixed_upper, // 'F' + general_lower, // 'g' + general_upper, // 'G' + chr, // 'c' + string, // 's' + pointer, // 'p' + debug // '?' }; // Format specifiers for built-in and string types. -template -struct basic_format_specs { - int width; - int precision; - presentation_type type; - align_t align : 4; - sign_t sign : 3; - bool alt : 1; // Alternate form ('#'). - bool localized : 1; - detail::fill_t fill; - - constexpr basic_format_specs() - : width(0), - precision(-1), - type(presentation_type::none), - align(align::none), - sign(sign::none), - alt(false), - localized(false) { - } +template struct basic_format_specs { + int width; + int precision; + presentation_type type; + align_t align : 4; + sign_t sign : 3; + bool alt : 1; // Alternate form ('#'). + bool localized : 1; + detail::fill_t fill; + + constexpr basic_format_specs() + : width(0), + precision(-1), + type(presentation_type::none), + align(align::none), + sign(sign::none), + alt(false), + localized(false) {} }; using format_specs = basic_format_specs; FMT_BEGIN_DETAIL_NAMESPACE -enum class arg_id_kind { none, - index, - name }; +enum class arg_id_kind { none, index, name }; // An argument reference. -template -struct arg_ref { - FMT_CONSTEXPR arg_ref() - : kind(arg_id_kind::none), val() { - } - - FMT_CONSTEXPR explicit arg_ref(int index) - : kind(arg_id_kind::index), val(index) { - } - FMT_CONSTEXPR explicit arg_ref(basic_string_view name) - : kind(arg_id_kind::name), val(name) { - } - - FMT_CONSTEXPR auto operator=(int idx) -> arg_ref & { - kind = arg_id_kind::index; - val.index = idx; - return *this; - } - - arg_id_kind kind; - union value { - FMT_CONSTEXPR value(int id = 0) - : index{id} { - } - FMT_CONSTEXPR value(basic_string_view n) - : name(n) { - } - - int index; - basic_string_view name; - } val; +template struct arg_ref { + FMT_CONSTEXPR arg_ref() : kind(arg_id_kind::none), val() {} + + FMT_CONSTEXPR explicit arg_ref(int index) + : kind(arg_id_kind::index), val(index) {} + FMT_CONSTEXPR explicit arg_ref(basic_string_view name) + : kind(arg_id_kind::name), val(name) {} + + FMT_CONSTEXPR auto operator=(int idx) -> arg_ref& { + kind = arg_id_kind::index; + val.index = idx; + return *this; + } + + arg_id_kind kind; + union value { + FMT_CONSTEXPR value(int id = 0) : index{id} {} + FMT_CONSTEXPR value(basic_string_view n) : name(n) {} + + int index; + basic_string_view name; + } val; }; // Format specifiers with width and precision resolved at formatting rather // than parsing time to allow re-using the same parsed specifiers with // different sets of arguments (precompilation of format strings). -template +template struct dynamic_format_specs : basic_format_specs { - arg_ref width_ref; - arg_ref precision_ref; + arg_ref width_ref; + arg_ref precision_ref; }; struct auto_id {}; // A format specifier handler that sets fields in basic_format_specs. -template -class specs_setter { -protected: - basic_format_specs &specs_; - -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_sign(sign_t s) { - specs_.sign = s; - } - FMT_CONSTEXPR void on_hash() { - specs_.alt = true; - } - FMT_CONSTEXPR void on_localized() { - specs_.localized = true; - } - - FMT_CONSTEXPR void on_zero() { - if (specs_.align == align::none) 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(presentation_type type) { - specs_.type = type; - } +template class specs_setter { + protected: + basic_format_specs& specs_; + + 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_sign(sign_t s) { specs_.sign = s; } + FMT_CONSTEXPR void on_hash() { specs_.alt = true; } + FMT_CONSTEXPR void on_localized() { specs_.localized = true; } + + FMT_CONSTEXPR void on_zero() { + if (specs_.align == align::none) 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(presentation_type type) { specs_.type = type; } }; // Format spec handler that saves references to arguments representing dynamic // width and precision to be resolved at formatting time. -template +template class dynamic_specs_handler : public specs_setter { -public: - using char_type = typename ParseContext::char_type; - - FMT_CONSTEXPR dynamic_specs_handler(dynamic_format_specs &specs, - ParseContext &ctx) - : specs_setter(specs), specs_(specs), context_(ctx) { - } - - FMT_CONSTEXPR dynamic_specs_handler(const dynamic_specs_handler &other) - : specs_setter(other), - specs_(other.specs_), - context_(other.context_) { - } - - template - FMT_CONSTEXPR void on_dynamic_width(Id arg_id) { - specs_.width_ref = make_arg_ref(arg_id); - } - - template - FMT_CONSTEXPR void on_dynamic_precision(Id arg_id) { - specs_.precision_ref = make_arg_ref(arg_id); - } - - FMT_CONSTEXPR void on_error(const char *message) { - context_.on_error(message); - } - -private: - dynamic_format_specs &specs_; - ParseContext &context_; - - using arg_ref_type = arg_ref; - - FMT_CONSTEXPR auto make_arg_ref(int arg_id) -> arg_ref_type { - context_.check_arg_id(arg_id); - context_.check_dynamic_spec(arg_id); - return arg_ref_type(arg_id); - } - - FMT_CONSTEXPR auto make_arg_ref(auto_id) -> arg_ref_type { - int arg_id = context_.next_arg_id(); - context_.check_dynamic_spec(arg_id); - return arg_ref_type(arg_id); - } - - FMT_CONSTEXPR auto make_arg_ref(basic_string_view arg_id) - -> arg_ref_type { - context_.check_arg_id(arg_id); - basic_string_view format_str( - context_.begin(), to_unsigned(context_.end() - context_.begin())); - return arg_ref_type(arg_id); - } + public: + using char_type = typename ParseContext::char_type; + + FMT_CONSTEXPR dynamic_specs_handler(dynamic_format_specs& specs, + ParseContext& ctx) + : specs_setter(specs), specs_(specs), context_(ctx) {} + + FMT_CONSTEXPR dynamic_specs_handler(const dynamic_specs_handler& other) + : specs_setter(other), + specs_(other.specs_), + context_(other.context_) {} + + template FMT_CONSTEXPR void on_dynamic_width(Id arg_id) { + specs_.width_ref = make_arg_ref(arg_id); + } + + template FMT_CONSTEXPR void on_dynamic_precision(Id arg_id) { + specs_.precision_ref = make_arg_ref(arg_id); + } + + FMT_CONSTEXPR void on_error(const char* message) { + context_.on_error(message); + } + + private: + dynamic_format_specs& specs_; + ParseContext& context_; + + using arg_ref_type = arg_ref; + + FMT_CONSTEXPR auto make_arg_ref(int arg_id) -> arg_ref_type { + context_.check_arg_id(arg_id); + context_.check_dynamic_spec(arg_id); + return arg_ref_type(arg_id); + } + + FMT_CONSTEXPR auto make_arg_ref(auto_id) -> arg_ref_type { + int arg_id = context_.next_arg_id(); + context_.check_dynamic_spec(arg_id); + return arg_ref_type(arg_id); + } + + FMT_CONSTEXPR auto make_arg_ref(basic_string_view arg_id) + -> arg_ref_type { + context_.check_arg_id(arg_id); + basic_string_view format_str( + context_.begin(), to_unsigned(context_.end() - context_.begin())); + return arg_ref_type(arg_id); + } }; -template -constexpr bool is_ascii_letter(Char c) { - return (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z'); +template constexpr bool is_ascii_letter(Char c) { + return (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z'); } // Converts a character to ASCII. Returns a number > 127 on conversion failure. -template::value)> +template ::value)> constexpr auto to_ascii(Char c) -> Char { - return c; + return c; } -template::value)> +template ::value)> constexpr auto to_ascii(Char c) -> underlying_t { - return c; + return c; } FMT_CONSTEXPR inline auto code_point_length_impl(char c) -> int { - return "\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" - [static_cast(c) >> 3]; + return "\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" + [static_cast(c) >> 3]; } -template -FMT_CONSTEXPR auto code_point_length(const Char *begin) -> int { - if (const_check(sizeof(Char) != 1)) return 1; - int len = code_point_length_impl(static_cast(*begin)); +template +FMT_CONSTEXPR auto code_point_length(const Char* begin) -> int { + if (const_check(sizeof(Char) != 1)) return 1; + int len = code_point_length_impl(static_cast(*begin)); - // 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. - return len + !len; + // 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. + return len + !len; } // Return the result via the out param to workaround gcc bug 77539. -template -FMT_CONSTEXPR auto find(Ptr first, Ptr last, T value, Ptr &out) -> bool { - for (out = first; out != last; ++out) { - if (*out == value) return true; - } - return false; +template +FMT_CONSTEXPR auto find(Ptr first, Ptr last, T value, Ptr& out) -> bool { + for (out = first; out != last; ++out) { + if (*out == value) return true; + } + return false; } -template<> -inline auto find(const char *first, const char *last, char value, - const char *&out) -> bool { - out = static_cast( - std::memchr(first, value, to_unsigned(last - first))); - return out != nullptr; +template <> +inline auto find(const char* first, const char* last, char value, + const char*& out) -> bool { + out = static_cast( + std::memchr(first, value, to_unsigned(last - first))); + return out != nullptr; } // 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 auto parse_nonnegative_int(const Char *&begin, const Char *end, +template +FMT_CONSTEXPR auto parse_nonnegative_int(const Char*& begin, const Char* end, int error_value) noexcept -> int { - FMT_ASSERT(begin != end && '0' <= *begin && *begin <= '9', ""); - unsigned value = 0, prev = 0; - auto p = begin; - do { - prev = value; - value = value * 10 + unsigned(*p - '0'); - ++p; - } while (p != end && '0' <= *p && *p <= '9'); - auto num_digits = p - begin; - begin = p; - if (num_digits <= std::numeric_limits::digits10) - return static_cast(value); - // Check for overflow. - const unsigned max = to_unsigned((std::numeric_limits::max)()); - return num_digits == std::numeric_limits::digits10 + 1 && - prev * 10ull + unsigned(p[-1] - '0') <= max ? - static_cast(value) : - error_value; + FMT_ASSERT(begin != end && '0' <= *begin && *begin <= '9', ""); + unsigned value = 0, prev = 0; + auto p = begin; + do { + prev = value; + value = value * 10 + unsigned(*p - '0'); + ++p; + } while (p != end && '0' <= *p && *p <= '9'); + auto num_digits = p - begin; + begin = p; + if (num_digits <= std::numeric_limits::digits10) + return static_cast(value); + // Check for overflow. + const unsigned max = to_unsigned((std::numeric_limits::max)()); + return num_digits == std::numeric_limits::digits10 + 1 && + prev * 10ull + unsigned(p[-1] - '0') <= max + ? static_cast(value) + : error_value; } // Parses fill and alignment. -template -FMT_CONSTEXPR auto parse_align(const Char *begin, const Char *end, - Handler &&handler) -> const Char * { - FMT_ASSERT(begin != end, ""); - auto align = align::none; - auto p = begin + code_point_length(begin); - if (end - p <= 0) p = begin; - for (;;) { - switch (to_ascii(*p)) { - case '<': - align = align::left; - break; - case '>': - align = align::right; - break; - case '^': - align = align::center; - break; - default: - break; - } - if (align != align::none) { - if (p != begin) { - auto c = *begin; - if (c == '{') - return handler.on_error("invalid fill character '{'"), begin; - handler.on_fill(basic_string_view(begin, to_unsigned(p - begin))); - begin = p + 1; - } else - ++begin; - handler.on_align(align); - break; - } else if (p == begin) { - break; - } - p = begin; - } - return begin; -} - -template -FMT_CONSTEXPR bool is_name_start(Char c) { - return ('a' <= c && c <= 'z') || ('A' <= c && c <= 'Z') || '_' == c; -} - -template -FMT_CONSTEXPR auto do_parse_arg_id(const Char *begin, const Char *end, - IDHandler &&handler) -> const Char * { - FMT_ASSERT(begin != end, ""); - Char c = *begin; - if (c >= '0' && c <= '9') { - int index = 0; - if (c != '0') - index = - parse_nonnegative_int(begin, end, (std::numeric_limits::max)()); - else - ++begin; - if (begin == end || (*begin != '}' && *begin != ':')) - handler.on_error("invalid format string"); - else - handler(index); - return begin; - } - if (!is_name_start(c)) { - handler.on_error("invalid format string"); - return begin; - } - auto it = begin; - do { - ++it; - } while (it != end && (is_name_start(c = *it) || ('0' <= c && c <= '9'))); - handler(basic_string_view(begin, to_unsigned(it - begin))); - return it; -} - -template -FMT_CONSTEXPR FMT_INLINE auto parse_arg_id(const Char *begin, const Char *end, - IDHandler &&handler) -> const Char * { - Char c = *begin; - if (c != '}' && c != ':') return do_parse_arg_id(begin, end, handler); - handler(); - return begin; -} - -template -FMT_CONSTEXPR auto parse_width(const Char *begin, const Char *end, - Handler &&handler) -> const Char * { - using detail::auto_id; - struct width_adapter { - Handler &handler; - - FMT_CONSTEXPR void operator()() { - handler.on_dynamic_width(auto_id()); - } - FMT_CONSTEXPR void operator()(int id) { - handler.on_dynamic_width(id); - } - FMT_CONSTEXPR void operator()(basic_string_view id) { - handler.on_dynamic_width(id); - } - FMT_CONSTEXPR void on_error(const char *message) { - if (message) handler.on_error(message); - } - }; - - FMT_ASSERT(begin != end, ""); - if ('0' <= *begin && *begin <= '9') { - int width = parse_nonnegative_int(begin, end, -1); - if (width != -1) - handler.on_width(width); - else - handler.on_error("number is too big"); - } else if (*begin == '{') { - ++begin; - if (begin != end) begin = parse_arg_id(begin, end, width_adapter{handler}); - if (begin == end || *begin != '}') - return handler.on_error("invalid format string"), begin; +template +FMT_CONSTEXPR auto parse_align(const Char* begin, const Char* end, + Handler&& handler) -> const Char* { + FMT_ASSERT(begin != end, ""); + auto align = align::none; + auto p = begin + code_point_length(begin); + if (end - p <= 0) p = begin; + for (;;) { + switch (to_ascii(*p)) { + case '<': + align = align::left; + break; + case '>': + align = align::right; + break; + case '^': + align = align::center; + break; + default: + break; + } + if (align != align::none) { + if (p != begin) { + auto c = *begin; + if (c == '{') + return handler.on_error("invalid fill character '{'"), begin; + handler.on_fill(basic_string_view(begin, to_unsigned(p - begin))); + begin = p + 1; + } else ++begin; - } + handler.on_align(align); + break; + } else if (p == begin) { + break; + } + p = begin; + } + return begin; +} + +template FMT_CONSTEXPR bool is_name_start(Char c) { + return ('a' <= c && c <= 'z') || ('A' <= c && c <= 'Z') || '_' == c; +} + +template +FMT_CONSTEXPR auto do_parse_arg_id(const Char* begin, const Char* end, + IDHandler&& handler) -> const Char* { + FMT_ASSERT(begin != end, ""); + Char c = *begin; + if (c >= '0' && c <= '9') { + int index = 0; + if (c != '0') + index = + parse_nonnegative_int(begin, end, (std::numeric_limits::max)()); + else + ++begin; + if (begin == end || (*begin != '}' && *begin != ':')) + handler.on_error("invalid format string"); + else + handler(index); return begin; -} - -template -FMT_CONSTEXPR auto parse_precision(const Char *begin, const Char *end, - Handler &&handler) -> const Char * { - using detail::auto_id; - struct precision_adapter { - Handler &handler; - - FMT_CONSTEXPR void operator()() { - handler.on_dynamic_precision(auto_id()); - } - FMT_CONSTEXPR void operator()(int id) { - handler.on_dynamic_precision(id); - } - FMT_CONSTEXPR void operator()(basic_string_view id) { - handler.on_dynamic_precision(id); - } - FMT_CONSTEXPR void on_error(const char *message) { - if (message) handler.on_error(message); - } - }; - - ++begin; - auto c = begin != end ? *begin : Char(); - if ('0' <= c && c <= '9') { - auto precision = parse_nonnegative_int(begin, end, -1); - if (precision != -1) - handler.on_precision(precision); - else - handler.on_error("number is too big"); - } else if (c == '{') { - ++begin; - if (begin != end) - begin = parse_arg_id(begin, end, precision_adapter{handler}); - if (begin == end || *begin++ != '}') - return handler.on_error("invalid format string"), begin; - } else { - return handler.on_error("missing precision specifier"), begin; - } - handler.end_precision(); + } + if (!is_name_start(c)) { + handler.on_error("invalid format string"); return begin; -} - -template + } + auto it = begin; + do { + ++it; + } while (it != end && (is_name_start(c = *it) || ('0' <= c && c <= '9'))); + handler(basic_string_view(begin, to_unsigned(it - begin))); + return it; +} + +template +FMT_CONSTEXPR FMT_INLINE auto parse_arg_id(const Char* begin, const Char* end, + IDHandler&& handler) -> const Char* { + Char c = *begin; + if (c != '}' && c != ':') return do_parse_arg_id(begin, end, handler); + handler(); + return begin; +} + +template +FMT_CONSTEXPR auto parse_width(const Char* begin, const Char* end, + Handler&& handler) -> const Char* { + using detail::auto_id; + struct width_adapter { + Handler& handler; + + FMT_CONSTEXPR void operator()() { handler.on_dynamic_width(auto_id()); } + FMT_CONSTEXPR void operator()(int id) { handler.on_dynamic_width(id); } + FMT_CONSTEXPR void operator()(basic_string_view id) { + handler.on_dynamic_width(id); + } + FMT_CONSTEXPR void on_error(const char* message) { + if (message) handler.on_error(message); + } + }; + + FMT_ASSERT(begin != end, ""); + if ('0' <= *begin && *begin <= '9') { + int width = parse_nonnegative_int(begin, end, -1); + if (width != -1) + handler.on_width(width); + else + handler.on_error("number is too big"); + } else if (*begin == '{') { + ++begin; + if (begin != end) begin = parse_arg_id(begin, end, width_adapter{handler}); + if (begin == end || *begin != '}') + return handler.on_error("invalid format string"), begin; + ++begin; + } + return begin; +} + +template +FMT_CONSTEXPR auto parse_precision(const Char* begin, const Char* end, + Handler&& handler) -> const Char* { + using detail::auto_id; + struct precision_adapter { + Handler& handler; + + FMT_CONSTEXPR void operator()() { handler.on_dynamic_precision(auto_id()); } + FMT_CONSTEXPR void operator()(int id) { handler.on_dynamic_precision(id); } + FMT_CONSTEXPR void operator()(basic_string_view id) { + handler.on_dynamic_precision(id); + } + FMT_CONSTEXPR void on_error(const char* message) { + if (message) handler.on_error(message); + } + }; + + ++begin; + auto c = begin != end ? *begin : Char(); + if ('0' <= c && c <= '9') { + auto precision = parse_nonnegative_int(begin, end, -1); + if (precision != -1) + handler.on_precision(precision); + else + handler.on_error("number is too big"); + } else if (c == '{') { + ++begin; + if (begin != end) + begin = parse_arg_id(begin, end, precision_adapter{handler}); + if (begin == end || *begin++ != '}') + return handler.on_error("invalid format string"), begin; + } else { + return handler.on_error("missing precision specifier"), begin; + } + handler.end_precision(); + return begin; +} + +template FMT_CONSTEXPR auto parse_presentation_type(Char type) -> presentation_type { - switch (to_ascii(type)) { - case 'd': - return presentation_type::dec; - case 'o': - return presentation_type::oct; - case 'x': - return presentation_type::hex_lower; - case 'X': - return presentation_type::hex_upper; - case 'b': - return presentation_type::bin_lower; - case 'B': - return presentation_type::bin_upper; - case 'a': - return presentation_type::hexfloat_lower; - case 'A': - return presentation_type::hexfloat_upper; - case 'e': - return presentation_type::exp_lower; - case 'E': - return presentation_type::exp_upper; - case 'f': - return presentation_type::fixed_lower; - case 'F': - return presentation_type::fixed_upper; - case 'g': - return presentation_type::general_lower; - case 'G': - return presentation_type::general_upper; - case 'c': - return presentation_type::chr; - case 's': - return presentation_type::string; - case 'p': - return presentation_type::pointer; - case '?': - return presentation_type::debug; - default: - return presentation_type::none; - } + switch (to_ascii(type)) { + case 'd': + return presentation_type::dec; + case 'o': + return presentation_type::oct; + case 'x': + return presentation_type::hex_lower; + case 'X': + return presentation_type::hex_upper; + case 'b': + return presentation_type::bin_lower; + case 'B': + return presentation_type::bin_upper; + case 'a': + return presentation_type::hexfloat_lower; + case 'A': + return presentation_type::hexfloat_upper; + case 'e': + return presentation_type::exp_lower; + case 'E': + return presentation_type::exp_upper; + case 'f': + return presentation_type::fixed_lower; + case 'F': + return presentation_type::fixed_upper; + case 'g': + return presentation_type::general_lower; + case 'G': + return presentation_type::general_upper; + case 'c': + return presentation_type::chr; + case 's': + return presentation_type::string; + case 'p': + return presentation_type::pointer; + case '?': + return presentation_type::debug; + default: + return presentation_type::none; + } } // Parses standard format specifiers and sends notifications about parsed // components to handler. -template -FMT_CONSTEXPR FMT_INLINE auto parse_format_specs(const Char *begin, - const Char *end, - SpecHandler &&handler) - -> const Char * { - if (1 < end - begin && begin[1] == '}' && is_ascii_letter(*begin) && - *begin != 'L') { - presentation_type type = parse_presentation_type(*begin++); - if (type == presentation_type::none) - handler.on_error("invalid type specifier"); - handler.on_type(type); - return begin; - } - - if (begin == end) return begin; - - begin = parse_align(begin, end, handler); - if (begin == end) return begin; - - // Parse sign. - switch (to_ascii(*begin)) { - case '+': - handler.on_sign(sign::plus); - ++begin; - break; - case '-': - handler.on_sign(sign::minus); - ++begin; - break; - case ' ': - handler.on_sign(sign::space); - ++begin; - break; - default: - break; - } - if (begin == end) return begin; +template +FMT_CONSTEXPR FMT_INLINE auto parse_format_specs(const Char* begin, + const Char* end, + SpecHandler&& handler) + -> const Char* { + if (1 < end - begin && begin[1] == '}' && is_ascii_letter(*begin) && + *begin != 'L') { + presentation_type type = parse_presentation_type(*begin++); + if (type == presentation_type::none) + handler.on_error("invalid type specifier"); + handler.on_type(type); + return begin; + } - if (*begin == '#') { - handler.on_hash(); - if (++begin == end) return begin; - } + if (begin == end) return begin; - // Parse zero flag. - if (*begin == '0') { - handler.on_zero(); - if (++begin == end) return begin; - } + begin = parse_align(begin, end, handler); + if (begin == end) return begin; - begin = parse_width(begin, end, handler); + // Parse sign. + switch (to_ascii(*begin)) { + case '+': + handler.on_sign(sign::plus); + ++begin; + break; + case '-': + handler.on_sign(sign::minus); + ++begin; + break; + case ' ': + handler.on_sign(sign::space); + ++begin; + break; + default: + break; + } + if (begin == end) return begin; + + if (*begin == '#') { + handler.on_hash(); + if (++begin == end) return begin; + } + + // Parse zero flag. + if (*begin == '0') { + handler.on_zero(); + if (++begin == end) return begin; + } + + begin = parse_width(begin, end, handler); + if (begin == end) return begin; + + // Parse precision. + if (*begin == '.') { + begin = parse_precision(begin, end, handler); if (begin == end) return begin; + } - // Parse precision. - if (*begin == '.') { - begin = parse_precision(begin, end, handler); - if (begin == end) return begin; - } - - if (*begin == 'L') { - handler.on_localized(); - ++begin; - } - - // Parse type. - if (begin != end && *begin != '}') { - presentation_type type = parse_presentation_type(*begin++); - if (type == presentation_type::none) - handler.on_error("invalid type specifier"); - handler.on_type(type); - } - return begin; -} - -template -FMT_CONSTEXPR auto parse_replacement_field(const Char *begin, const Char *end, - Handler &&handler) -> const Char * { - struct id_adapter { - Handler &handler; - int arg_id; - - FMT_CONSTEXPR void operator()() { - arg_id = handler.on_arg_id(); - } - FMT_CONSTEXPR void operator()(int id) { - arg_id = handler.on_arg_id(id); - } - FMT_CONSTEXPR void operator()(basic_string_view id) { - arg_id = handler.on_arg_id(id); - } - FMT_CONSTEXPR void on_error(const char *message) { - if (message) handler.on_error(message); - } - }; - + if (*begin == 'L') { + handler.on_localized(); ++begin; - if (begin == end) return handler.on_error("invalid format string"), end; - if (*begin == '}') { - handler.on_replacement_field(handler.on_arg_id(), begin); - } else if (*begin == '{') { - handler.on_text(begin, begin + 1); + } + + // Parse type. + if (begin != end && *begin != '}') { + presentation_type type = parse_presentation_type(*begin++); + if (type == presentation_type::none) + handler.on_error("invalid type specifier"); + handler.on_type(type); + } + return begin; +} + +template +FMT_CONSTEXPR auto parse_replacement_field(const Char* begin, const Char* end, + Handler&& handler) -> const Char* { + struct id_adapter { + Handler& handler; + int arg_id; + + FMT_CONSTEXPR void operator()() { arg_id = handler.on_arg_id(); } + FMT_CONSTEXPR void operator()(int id) { arg_id = handler.on_arg_id(id); } + FMT_CONSTEXPR void operator()(basic_string_view id) { + arg_id = handler.on_arg_id(id); + } + FMT_CONSTEXPR void on_error(const char* message) { + if (message) handler.on_error(message); + } + }; + + ++begin; + if (begin == end) return handler.on_error("invalid format string"), end; + if (*begin == '}') { + handler.on_replacement_field(handler.on_arg_id(), begin); + } else if (*begin == '{') { + handler.on_text(begin, begin + 1); + } else { + auto adapter = id_adapter{handler, 0}; + begin = parse_arg_id(begin, end, adapter); + Char c = begin != end ? *begin : Char(); + if (c == '}') { + handler.on_replacement_field(adapter.arg_id, begin); + } else if (c == ':') { + begin = handler.on_format_specs(adapter.arg_id, begin + 1, end); + if (begin == end || *begin != '}') + return handler.on_error("unknown format specifier"), end; } else { - auto adapter = id_adapter{handler, 0}; - begin = parse_arg_id(begin, end, adapter); - Char c = begin != end ? *begin : Char(); - if (c == '}') { - handler.on_replacement_field(adapter.arg_id, begin); - } else if (c == ':') { - begin = handler.on_format_specs(adapter.arg_id, begin + 1, end); - if (begin == end || *begin != '}') - return handler.on_error("unknown format specifier"), end; - } else { - return handler.on_error("missing '}' in format string"), end; - } + return handler.on_error("missing '}' in format string"), end; } - return begin + 1; + } + return begin + 1; } -template +template FMT_CONSTEXPR FMT_INLINE void parse_format_string( - basic_string_view format_str, Handler &&handler) { - // Workaround a name-lookup bug in MSVC's modules implementation. - using detail::find; - - auto begin = format_str.data(); - auto end = begin + format_str.size(); - if (end - begin < 32) { - // Use a simple loop instead of memchr for small strings. - const Char *p = begin; - while (p != end) { - auto c = *p++; - if (c == '{') { - handler.on_text(begin, p - 1); - begin = p = parse_replacement_field(p - 1, end, handler); - } else if (c == '}') { - if (p == end || *p != '}') - return handler.on_error("unmatched '}' in format string"); - handler.on_text(begin, p); - begin = ++p; - } - } - handler.on_text(begin, end); - return; - } - struct writer { - FMT_CONSTEXPR void operator()(const Char *from, const Char *to) { - if (from == to) return; - for (;;) { - const Char *p = nullptr; - if (!find(from, to, Char('}'), p)) - return handler_.on_text(from, to); - ++p; - if (p == to || *p != '}') - return handler_.on_error("unmatched '}' in format string"); - handler_.on_text(from, p); - from = p + 1; - } - } - Handler &handler_; - } write = {handler}; - while (begin != end) { - // Doing two passes with memchr (one for '{' and another for '}') is up to - // 2.5x faster than the naive one-pass implementation on big format strings. - const Char *p = begin; - if (*begin != '{' && !find(begin + 1, end, Char('{'), p)) - return write(begin, end); - write(begin, p); - begin = parse_replacement_field(p, end, handler); - } -} - -template::value> -struct strip_named_arg { - using type = T; + basic_string_view format_str, Handler&& handler) { + // Workaround a name-lookup bug in MSVC's modules implementation. + using detail::find; + + auto begin = format_str.data(); + auto end = begin + format_str.size(); + if (end - begin < 32) { + // Use a simple loop instead of memchr for small strings. + const Char* p = begin; + while (p != end) { + auto c = *p++; + if (c == '{') { + handler.on_text(begin, p - 1); + begin = p = parse_replacement_field(p - 1, end, handler); + } else if (c == '}') { + if (p == end || *p != '}') + return handler.on_error("unmatched '}' in format string"); + handler.on_text(begin, p); + begin = ++p; + } + } + handler.on_text(begin, end); + return; + } + struct writer { + FMT_CONSTEXPR void operator()(const Char* from, const Char* to) { + if (from == to) return; + for (;;) { + const Char* p = nullptr; + if (!find(from, to, Char('}'), p)) + return handler_.on_text(from, to); + ++p; + if (p == to || *p != '}') + return handler_.on_error("unmatched '}' in format string"); + handler_.on_text(from, p); + from = p + 1; + } + } + Handler& handler_; + } write = {handler}; + while (begin != end) { + // Doing two passes with memchr (one for '{' and another for '}') is up to + // 2.5x faster than the naive one-pass implementation on big format strings. + const Char* p = begin; + if (*begin != '{' && !find(begin + 1, end, Char('{'), p)) + return write(begin, end); + write(begin, p); + begin = parse_replacement_field(p, end, handler); + } +} + +template ::value> struct strip_named_arg { + using type = T; }; -template -struct strip_named_arg { - using type = remove_cvref_t; +template struct strip_named_arg { + using type = remove_cvref_t; }; -template -FMT_CONSTEXPR auto parse_format_specs(ParseContext &ctx) +template +FMT_CONSTEXPR auto parse_format_specs(ParseContext& ctx) -> decltype(ctx.begin()) { - using char_type = typename ParseContext::char_type; - using context = buffer_context; - using stripped_type = typename strip_named_arg::type; - using mapped_type = conditional_t< - mapped_type_constant::value != type::custom_type, - decltype(arg_mapper().map(std::declval())), - stripped_type>; - auto f = conditional_t::value, - formatter, - fallback_formatter>(); - return f.parse(ctx); -} - -template + using char_type = typename ParseContext::char_type; + using context = buffer_context; + using stripped_type = typename strip_named_arg::type; + using mapped_type = conditional_t< + mapped_type_constant::value != type::custom_type, + decltype(arg_mapper().map(std::declval())), + stripped_type>; + auto f = conditional_t::value, + formatter, + fallback_formatter>(); + return f.parse(ctx); +} + +template FMT_CONSTEXPR void check_int_type_spec(presentation_type type, - ErrorHandler &&eh) { - if (type > presentation_type::bin_upper && type != presentation_type::chr) - eh.on_error("invalid type specifier"); + ErrorHandler&& eh) { + if (type > presentation_type::bin_upper && type != presentation_type::chr) + eh.on_error("invalid type specifier"); } // Checks char specs and returns true if the type spec is char (and not int). -template -FMT_CONSTEXPR auto check_char_specs(const basic_format_specs &specs, - ErrorHandler &&eh = {}) -> bool { - if (specs.type != presentation_type::none && - specs.type != presentation_type::chr && - specs.type != presentation_type::debug) { - check_int_type_spec(specs.type, eh); - return false; - } - if (specs.align == align::numeric || specs.sign != sign::none || specs.alt) - eh.on_error("invalid format specifier for char"); - return true; +template +FMT_CONSTEXPR auto check_char_specs(const basic_format_specs& specs, + ErrorHandler&& eh = {}) -> bool { + if (specs.type != presentation_type::none && + specs.type != presentation_type::chr && + specs.type != presentation_type::debug) { + check_int_type_spec(specs.type, eh); + return false; + } + if (specs.align == align::numeric || specs.sign != sign::none || specs.alt) + eh.on_error("invalid format specifier for char"); + return true; } // 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 + 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 binary32 : 1; - bool showpoint : 1; + int precision; + float_format format : 8; + sign_t sign : 8; + bool upper : 1; + bool locale : 1; + bool binary32 : 1; + bool showpoint : 1; }; -template -FMT_CONSTEXPR auto parse_float_type_spec(const basic_format_specs &specs, - ErrorHandler &&eh = {}) +template +FMT_CONSTEXPR auto parse_float_type_spec(const basic_format_specs& specs, + ErrorHandler&& eh = {}) -> float_specs { - auto result = float_specs(); - result.showpoint = specs.alt; - result.locale = specs.localized; - switch (specs.type) { - case presentation_type::none: - result.format = float_format::general; - break; - case presentation_type::general_upper: - result.upper = true; - FMT_FALLTHROUGH; - case presentation_type::general_lower: - result.format = float_format::general; - break; - case presentation_type::exp_upper: - result.upper = true; - FMT_FALLTHROUGH; - case presentation_type::exp_lower: - result.format = float_format::exp; - result.showpoint |= specs.precision != 0; - break; - case presentation_type::fixed_upper: - result.upper = true; - FMT_FALLTHROUGH; - case presentation_type::fixed_lower: - result.format = float_format::fixed; - result.showpoint |= specs.precision != 0; - break; - case presentation_type::hexfloat_upper: - result.upper = true; - FMT_FALLTHROUGH; - case presentation_type::hexfloat_lower: - result.format = float_format::hex; - break; - default: - eh.on_error("invalid type specifier"); - break; - } - return result; -} - -template + auto result = float_specs(); + result.showpoint = specs.alt; + result.locale = specs.localized; + switch (specs.type) { + case presentation_type::none: + result.format = float_format::general; + break; + case presentation_type::general_upper: + result.upper = true; + FMT_FALLTHROUGH; + case presentation_type::general_lower: + result.format = float_format::general; + break; + case presentation_type::exp_upper: + result.upper = true; + FMT_FALLTHROUGH; + case presentation_type::exp_lower: + result.format = float_format::exp; + result.showpoint |= specs.precision != 0; + break; + case presentation_type::fixed_upper: + result.upper = true; + FMT_FALLTHROUGH; + case presentation_type::fixed_lower: + result.format = float_format::fixed; + result.showpoint |= specs.precision != 0; + break; + case presentation_type::hexfloat_upper: + result.upper = true; + FMT_FALLTHROUGH; + case presentation_type::hexfloat_lower: + result.format = float_format::hex; + break; + default: + eh.on_error("invalid type specifier"); + break; + } + return result; +} + +template FMT_CONSTEXPR auto check_cstring_type_spec(presentation_type type, - ErrorHandler &&eh = {}) -> bool { - if (type == presentation_type::none || type == presentation_type::string || - type == presentation_type::debug) - return true; - if (type != presentation_type::pointer) eh.on_error("invalid type specifier"); - return false; + ErrorHandler&& eh = {}) -> bool { + if (type == presentation_type::none || type == presentation_type::string || + type == presentation_type::debug) + return true; + if (type != presentation_type::pointer) eh.on_error("invalid type specifier"); + return false; } -template +template FMT_CONSTEXPR void check_string_type_spec(presentation_type type, - ErrorHandler &&eh = {}) { - if (type != presentation_type::none && type != presentation_type::string && - type != presentation_type::debug) - eh.on_error("invalid type specifier"); + ErrorHandler&& eh = {}) { + if (type != presentation_type::none && type != presentation_type::string && + type != presentation_type::debug) + eh.on_error("invalid type specifier"); } -template +template FMT_CONSTEXPR void check_pointer_type_spec(presentation_type type, - ErrorHandler &&eh) { - if (type != presentation_type::none && type != presentation_type::pointer) - eh.on_error("invalid type specifier"); + ErrorHandler&& eh) { + if (type != presentation_type::none && type != presentation_type::pointer) + eh.on_error("invalid type specifier"); } // A parse_format_specs handler that checks if specifiers are consistent with // the argument type. -template -class specs_checker : public Handler { -private: - detail::type arg_type_; - - FMT_CONSTEXPR void require_numeric_argument() { - if (!is_arithmetic_type(arg_type_)) - this->on_error("format specifier requires numeric argument"); - } - -public: - FMT_CONSTEXPR specs_checker(const Handler &handler, detail::type arg_type) - : Handler(handler), arg_type_(arg_type) { - } - - FMT_CONSTEXPR void on_align(align_t align) { - if (align == align::numeric) require_numeric_argument(); - Handler::on_align(align); - } - - FMT_CONSTEXPR void on_sign(sign_t s) { - require_numeric_argument(); - if (is_integral_type(arg_type_) && arg_type_ != type::int_type && - arg_type_ != type::long_long_type && arg_type_ != type::int128_type && - arg_type_ != type::char_type) { - this->on_error("format specifier requires signed argument"); - } - Handler::on_sign(s); - } - - FMT_CONSTEXPR void on_hash() { - require_numeric_argument(); - Handler::on_hash(); - } - - FMT_CONSTEXPR void on_localized() { - require_numeric_argument(); - Handler::on_localized(); - } - - FMT_CONSTEXPR void on_zero() { - require_numeric_argument(); - Handler::on_zero(); - } - - FMT_CONSTEXPR void end_precision() { - if (is_integral_type(arg_type_) || arg_type_ == type::pointer_type) - this->on_error("precision not allowed for this argument type"); - } +template class specs_checker : public Handler { + private: + detail::type arg_type_; + + FMT_CONSTEXPR void require_numeric_argument() { + if (!is_arithmetic_type(arg_type_)) + this->on_error("format specifier requires numeric argument"); + } + + public: + FMT_CONSTEXPR specs_checker(const Handler& handler, detail::type arg_type) + : Handler(handler), arg_type_(arg_type) {} + + FMT_CONSTEXPR void on_align(align_t align) { + if (align == align::numeric) require_numeric_argument(); + Handler::on_align(align); + } + + FMT_CONSTEXPR void on_sign(sign_t s) { + require_numeric_argument(); + if (is_integral_type(arg_type_) && arg_type_ != type::int_type && + arg_type_ != type::long_long_type && arg_type_ != type::int128_type && + arg_type_ != type::char_type) { + this->on_error("format specifier requires signed argument"); + } + Handler::on_sign(s); + } + + FMT_CONSTEXPR void on_hash() { + require_numeric_argument(); + Handler::on_hash(); + } + + FMT_CONSTEXPR void on_localized() { + require_numeric_argument(); + Handler::on_localized(); + } + + FMT_CONSTEXPR void on_zero() { + require_numeric_argument(); + Handler::on_zero(); + } + + FMT_CONSTEXPR void end_precision() { + if (is_integral_type(arg_type_) || arg_type_ == type::pointer_type) + this->on_error("precision not allowed for this argument type"); + } }; constexpr int invalid_arg_index = -1; #if FMT_USE_NONTYPE_TEMPLATE_ARGS -template +template constexpr auto get_arg_index_by_name(basic_string_view name) -> int { - if constexpr (detail::is_statically_named_arg()) { - if (name == T::name) return N; - } - if constexpr (sizeof...(Args) > 0) - return get_arg_index_by_name(name); - (void)name; // Workaround an MSVC bug about "unused" parameter. - return invalid_arg_index; + if constexpr (detail::is_statically_named_arg()) { + if (name == T::name) return N; + } + if constexpr (sizeof...(Args) > 0) + return get_arg_index_by_name(name); + (void)name; // Workaround an MSVC bug about "unused" parameter. + return invalid_arg_index; } #endif -template +template FMT_CONSTEXPR auto get_arg_index_by_name(basic_string_view name) -> int { #if FMT_USE_NONTYPE_TEMPLATE_ARGS - if constexpr (sizeof...(Args) > 0) - return get_arg_index_by_name<0, Args...>(name); + if constexpr (sizeof...(Args) > 0) + return get_arg_index_by_name<0, Args...>(name); #endif - (void)name; - return invalid_arg_index; + (void)name; + return invalid_arg_index; } -template +template class format_string_checker { -private: - // In the future basic_format_parse_context will replace compile_parse_context - // here and will use is_constant_evaluated and downcasting to access the data - // needed for compile-time checks: https://godbolt.org/z/GvWzcTjh1. - using parse_context_type = compile_parse_context; - static constexpr int num_args = sizeof...(Args); - - // Format specifier parsing function. - using parse_func = const Char *(*)(parse_context_type &); - - parse_context_type context_; - parse_func parse_funcs_[num_args > 0 ? static_cast(num_args) : 1]; - type types_[num_args > 0 ? static_cast(num_args) : 1]; - -public: - explicit FMT_CONSTEXPR format_string_checker( - basic_string_view format_str, ErrorHandler eh) - : context_(format_str, num_args, types_, eh), - parse_funcs_{&parse_format_specs...}, - types_{ - mapped_type_constant>::value...} { - } - - FMT_CONSTEXPR void on_text(const Char *, const Char *) { - } - - FMT_CONSTEXPR auto on_arg_id() -> int { - return context_.next_arg_id(); - } - FMT_CONSTEXPR auto on_arg_id(int id) -> int { - return context_.check_arg_id(id), id; - } - FMT_CONSTEXPR auto on_arg_id(basic_string_view id) -> int { + private: + // In the future basic_format_parse_context will replace compile_parse_context + // here and will use is_constant_evaluated and downcasting to access the data + // needed for compile-time checks: https://godbolt.org/z/GvWzcTjh1. + using parse_context_type = compile_parse_context; + static constexpr int num_args = sizeof...(Args); + + // Format specifier parsing function. + using parse_func = const Char* (*)(parse_context_type&); + + parse_context_type context_; + parse_func parse_funcs_[num_args > 0 ? static_cast(num_args) : 1]; + type types_[num_args > 0 ? static_cast(num_args) : 1]; + + public: + explicit FMT_CONSTEXPR format_string_checker( + basic_string_view format_str, ErrorHandler eh) + : context_(format_str, num_args, types_, eh), + parse_funcs_{&parse_format_specs...}, + types_{ + mapped_type_constant>::value...} { + } + + FMT_CONSTEXPR void on_text(const Char*, const Char*) {} + + FMT_CONSTEXPR auto on_arg_id() -> int { return context_.next_arg_id(); } + FMT_CONSTEXPR auto on_arg_id(int id) -> int { + return context_.check_arg_id(id), id; + } + FMT_CONSTEXPR auto on_arg_id(basic_string_view id) -> int { #if FMT_USE_NONTYPE_TEMPLATE_ARGS - auto index = get_arg_index_by_name(id); - if (index == invalid_arg_index) on_error("named argument is not found"); - return context_.check_arg_id(index), index; + auto index = get_arg_index_by_name(id); + if (index == invalid_arg_index) on_error("named argument is not found"); + return context_.check_arg_id(index), index; #else - (void)id; - on_error("compile-time checks for named arguments require C++20 support"); - return 0; + (void)id; + on_error("compile-time checks for named arguments require C++20 support"); + return 0; #endif - } + } - FMT_CONSTEXPR void on_replacement_field(int, const Char *) { - } + FMT_CONSTEXPR void on_replacement_field(int, const Char*) {} - FMT_CONSTEXPR auto on_format_specs(int id, const Char *begin, const Char *) - -> const Char * { - context_.advance_to(context_.begin() + (begin - &*context_.begin())); - // id >= 0 check is a workaround for gcc 10 bug (#2065). - return id >= 0 && id < num_args ? parse_funcs_[id](context_) : begin; - } + FMT_CONSTEXPR auto on_format_specs(int id, const Char* begin, const Char*) + -> const Char* { + context_.advance_to(context_.begin() + (begin - &*context_.begin())); + // id >= 0 check is a workaround for gcc 10 bug (#2065). + return id >= 0 && id < num_args ? parse_funcs_[id](context_) : begin; + } - FMT_CONSTEXPR void on_error(const char *message) { - context_.on_error(message); - } + FMT_CONSTEXPR void on_error(const char* message) { + context_.on_error(message); + } }; // Reports a compile-time error if S is not a valid format string. -template::value)> -FMT_INLINE void check_format_string(const S &) { +template ::value)> +FMT_INLINE void check_format_string(const S&) { #ifdef FMT_ENFORCE_COMPILE_STRING - static_assert(is_compile_string::value, - "FMT_ENFORCE_COMPILE_STRING requires all format strings to use " - "FMT_STRING."); + static_assert(is_compile_string::value, + "FMT_ENFORCE_COMPILE_STRING requires all format strings to use " + "FMT_STRING."); #endif } -template::value)> +template ::value)> void check_format_string(S format_str) { - FMT_CONSTEXPR auto s = basic_string_view(format_str); - using checker = format_string_checker...>; - FMT_CONSTEXPR bool invalid_format = - (parse_format_string(s, checker(s, {})), true); - ignore_unused(invalid_format); + FMT_CONSTEXPR auto s = basic_string_view(format_str); + using checker = format_string_checker...>; + FMT_CONSTEXPR bool invalid_format = + (parse_format_string(s, checker(s, {})), true); + ignore_unused(invalid_format); } -template +template void vformat_to( - buffer &buf, basic_string_view fmt, + buffer& buf, basic_string_view fmt, basic_format_args)> args, locale_ref loc = {}); -FMT_API void vprint_mojibake(std::FILE *, string_view, format_args); +FMT_API void vprint_mojibake(std::FILE*, string_view, format_args); #ifdef __linux__ -inline void vprint_mojibake(std::FILE *, string_view, format_args) { -} +inline void vprint_mojibake(std::FILE*, string_view, format_args) {} #endif FMT_END_DETAIL_NAMESPACE // A formatter specialization for the core types corresponding to detail::type // constants. -template +template struct formatter::value != detail::type::custom_type>> { -private: - detail::dynamic_format_specs specs_; - -public: - // Parses format specifiers stopping either at the end of the range or at the - // terminating '}'. - template - FMT_CONSTEXPR auto parse(ParseContext &ctx) -> decltype(ctx.begin()) { - auto begin = ctx.begin(), end = ctx.end(); - if (begin == end) return begin; - using handler_type = detail::dynamic_specs_handler; - auto type = detail::type_constant::value; - auto checker = - detail::specs_checker(handler_type(specs_, ctx), type); - auto it = detail::parse_format_specs(begin, end, checker); - auto eh = ctx.error_handler(); - switch (type) { - case detail::type::none_type: - FMT_ASSERT(false, "invalid argument type"); - break; - case detail::type::bool_type: - if (specs_.type == presentation_type::none || - specs_.type == presentation_type::string) { - break; - } - FMT_FALLTHROUGH; - case detail::type::int_type: - case detail::type::uint_type: - case detail::type::long_long_type: - case detail::type::ulong_long_type: - case detail::type::int128_type: - case detail::type::uint128_type: - detail::check_int_type_spec(specs_.type, eh); - break; - case detail::type::char_type: - detail::check_char_specs(specs_, eh); - break; - case detail::type::float_type: - if (detail::const_check(FMT_USE_FLOAT)) - detail::parse_float_type_spec(specs_, eh); - else - FMT_ASSERT(false, "float support disabled"); - break; - case detail::type::double_type: - if (detail::const_check(FMT_USE_DOUBLE)) - detail::parse_float_type_spec(specs_, eh); - else - FMT_ASSERT(false, "double support disabled"); - break; - case detail::type::long_double_type: - if (detail::const_check(FMT_USE_LONG_DOUBLE)) - detail::parse_float_type_spec(specs_, eh); - else - FMT_ASSERT(false, "long double support disabled"); - break; - case detail::type::cstring_type: - detail::check_cstring_type_spec(specs_.type, eh); - break; - case detail::type::string_type: - detail::check_string_type_spec(specs_.type, eh); - break; - case detail::type::pointer_type: - detail::check_pointer_type_spec(specs_.type, eh); - break; - case detail::type::custom_type: - // Custom format specifiers are checked in parse functions of - // formatter specializations. - break; - } - return it; - } - - template::value, - enable_if_t<(U == detail::type::string_type || - U == detail::type::cstring_type || - U == detail::type::char_type), - int> = 0> - FMT_CONSTEXPR void set_debug_format() { - specs_.type = presentation_type::debug; + private: + detail::dynamic_format_specs specs_; + + public: + // Parses format specifiers stopping either at the end of the range or at the + // terminating '}'. + template + FMT_CONSTEXPR auto parse(ParseContext& ctx) -> decltype(ctx.begin()) { + auto begin = ctx.begin(), end = ctx.end(); + if (begin == end) return begin; + using handler_type = detail::dynamic_specs_handler; + auto type = detail::type_constant::value; + auto checker = + detail::specs_checker(handler_type(specs_, ctx), type); + auto it = detail::parse_format_specs(begin, end, checker); + auto eh = ctx.error_handler(); + switch (type) { + case detail::type::none_type: + FMT_ASSERT(false, "invalid argument type"); + break; + case detail::type::bool_type: + if (specs_.type == presentation_type::none || + specs_.type == presentation_type::string) { + break; + } + FMT_FALLTHROUGH; + case detail::type::int_type: + case detail::type::uint_type: + case detail::type::long_long_type: + case detail::type::ulong_long_type: + case detail::type::int128_type: + case detail::type::uint128_type: + detail::check_int_type_spec(specs_.type, eh); + break; + case detail::type::char_type: + detail::check_char_specs(specs_, eh); + break; + case detail::type::float_type: + if (detail::const_check(FMT_USE_FLOAT)) + detail::parse_float_type_spec(specs_, eh); + else + FMT_ASSERT(false, "float support disabled"); + break; + case detail::type::double_type: + if (detail::const_check(FMT_USE_DOUBLE)) + detail::parse_float_type_spec(specs_, eh); + else + FMT_ASSERT(false, "double support disabled"); + break; + case detail::type::long_double_type: + if (detail::const_check(FMT_USE_LONG_DOUBLE)) + detail::parse_float_type_spec(specs_, eh); + else + FMT_ASSERT(false, "long double support disabled"); + break; + case detail::type::cstring_type: + detail::check_cstring_type_spec(specs_.type, eh); + break; + case detail::type::string_type: + detail::check_string_type_spec(specs_.type, eh); + break; + case detail::type::pointer_type: + detail::check_pointer_type_spec(specs_.type, eh); + break; + case detail::type::custom_type: + // Custom format specifiers are checked in parse functions of + // formatter specializations. + break; } - - template - FMT_CONSTEXPR auto format(const T &val, FormatContext &ctx) const - -> decltype(ctx.out()); + return it; + } + + template ::value, + enable_if_t<(U == detail::type::string_type || + U == detail::type::cstring_type || + U == detail::type::char_type), + int> = 0> + FMT_CONSTEXPR void set_debug_format() { + specs_.type = presentation_type::debug; + } + + template + FMT_CONSTEXPR auto format(const T& val, FormatContext& ctx) const + -> decltype(ctx.out()); }; -#define FMT_FORMAT_AS(Type, Base) \ - template \ - struct formatter : formatter { \ - template \ - auto format(Type const &val, FormatContext &ctx) const \ - -> decltype(ctx.out()) { \ - return formatter::format(static_cast(val), ctx); \ - } \ - } +#define FMT_FORMAT_AS(Type, Base) \ + template \ + struct formatter : formatter { \ + template \ + auto format(Type const& val, FormatContext& ctx) const \ + -> decltype(ctx.out()) { \ + return formatter::format(static_cast(val), ctx); \ + } \ + } FMT_FORMAT_AS(signed char, int); FMT_FORMAT_AS(unsigned char, unsigned); @@ -3428,60 +3129,50 @@ FMT_FORMAT_AS(short, int); FMT_FORMAT_AS(unsigned short, unsigned); FMT_FORMAT_AS(long, long long); FMT_FORMAT_AS(unsigned long, unsigned long long); -FMT_FORMAT_AS(Char *, const Char *); +FMT_FORMAT_AS(Char*, const Char*); FMT_FORMAT_AS(std::basic_string, basic_string_view); -FMT_FORMAT_AS(std::nullptr_t, const void *); +FMT_FORMAT_AS(std::nullptr_t, const void*); FMT_FORMAT_AS(detail::std_string_view, basic_string_view); -template -struct basic_runtime { basic_string_view str; }; +template struct basic_runtime { basic_string_view str; }; /** A compile-time format string. */ -template -class basic_format_string { -private: - basic_string_view str_; - -public: - template>::value)> - FMT_CONSTEVAL FMT_INLINE basic_format_string(const S &s) - : str_(s) { - static_assert( - detail::count< - (std::is_base_of>::value && - std::is_reference::value)...>() == 0, - "passing views as lvalues is disallowed"); +template class basic_format_string { + private: + basic_string_view str_; + + public: + template >::value)> + FMT_CONSTEVAL FMT_INLINE basic_format_string(const S& s) : str_(s) { + static_assert( + detail::count< + (std::is_base_of>::value && + std::is_reference::value)...>() == 0, + "passing views as lvalues is disallowed"); #ifdef FMT_HAS_CONSTEVAL - if constexpr (detail::count_named_args() == - detail::count_statically_named_args()) { - using checker = detail::format_string_checker...>; - detail::parse_format_string(str_, checker(s, {})); - } + if constexpr (detail::count_named_args() == + detail::count_statically_named_args()) { + using checker = detail::format_string_checker...>; + detail::parse_format_string(str_, checker(s, {})); + } #else - detail::check_format_string(s); + detail::check_format_string(s); #endif - } - basic_format_string(basic_runtime r) - : str_(r.str) { - } + } + basic_format_string(basic_runtime r) : str_(r.str) {} - FMT_INLINE operator basic_string_view() const { - return str_; - } + FMT_INLINE operator basic_string_view() const { return str_; } }; #if FMT_GCC_VERSION && FMT_GCC_VERSION < 409 // Workaround broken conversion on older gcc. -template -using format_string = string_view; -inline auto runtime(string_view s) -> string_view { - return s; -} +template using format_string = string_view; +inline auto runtime(string_view s) -> string_view { return s; } #else -template +template using format_string = basic_format_string...>; /** \rst @@ -3493,9 +3184,7 @@ using format_string = basic_format_string...>; fmt::print(fmt::runtime("{:d}"), "I am not a number"); \endrst */ -inline auto runtime(string_view s) -> basic_runtime { - return {{s}}; -} +inline auto runtime(string_view s) -> basic_runtime { return {{s}}; } #endif FMT_API auto vformat(string_view fmt, format_args args) -> std::string; @@ -3511,20 +3200,20 @@ FMT_API auto vformat(string_view fmt, format_args args) -> std::string; std::string message = fmt::format("The answer is {}.", 42); \endrst */ -template -FMT_NODISCARD FMT_INLINE auto format(format_string fmt, T &&...args) +template +FMT_NODISCARD FMT_INLINE auto format(format_string fmt, T&&... args) -> std::string { - return vformat(fmt, fmt::make_format_args(args...)); + return vformat(fmt, fmt::make_format_args(args...)); } /** Formats a string and writes the output to ``out``. */ -template::value)> +template ::value)> auto vformat_to(OutputIt out, string_view fmt, format_args args) -> OutputIt { - using detail::get_buffer; - auto &&buf = get_buffer(out); - detail::vformat_to(buf, fmt, args, {}); - return detail::get_iterator(buf); + using detail::get_buffer; + auto&& buf = get_buffer(out); + detail::vformat_to(buf, fmt, args, {}); + return detail::get_iterator(buf); } /** @@ -3539,29 +3228,28 @@ auto vformat_to(OutputIt out, string_view fmt, format_args args) -> OutputIt { fmt::format_to(std::back_inserter(out), "{}", 42); \endrst */ -template::value)> -FMT_INLINE auto format_to(OutputIt out, format_string fmt, T &&...args) +template ::value)> +FMT_INLINE auto format_to(OutputIt out, format_string fmt, T&&... args) -> OutputIt { - return vformat_to(out, fmt, fmt::make_format_args(args...)); + return vformat_to(out, fmt, fmt::make_format_args(args...)); } -template -struct format_to_n_result { - /** Iterator past the end of the output range. */ - OutputIt out; - /** Total (not truncated) output size. */ - size_t size; +template struct format_to_n_result { + /** Iterator past the end of the output range. */ + OutputIt out; + /** Total (not truncated) output size. */ + size_t size; }; -template::value)> +template ::value)> auto vformat_to_n(OutputIt out, size_t n, string_view fmt, format_args args) -> format_to_n_result { - using traits = detail::fixed_buffer_traits; - auto buf = detail::iterator_buffer(out, n); - detail::vformat_to(buf, fmt, args, {}); - return {buf.out(), buf.count()}; + using traits = detail::fixed_buffer_traits; + auto buf = detail::iterator_buffer(out, n); + detail::vformat_to(buf, fmt, args, {}); + return {buf.out(), buf.count()}; } /** @@ -3572,24 +3260,24 @@ auto vformat_to_n(OutputIt out, size_t n, string_view fmt, format_args args) `format_to_n` does not append a terminating null character. \endrst */ -template::value)> +template ::value)> FMT_INLINE auto format_to_n(OutputIt out, size_t n, format_string fmt, - T &&...args) -> format_to_n_result { - return vformat_to_n(out, n, fmt, fmt::make_format_args(args...)); + T&&... args) -> format_to_n_result { + return vformat_to_n(out, n, fmt, fmt::make_format_args(args...)); } /** Returns the number of chars in the output of ``format(fmt, args...)``. */ -template +template FMT_NODISCARD FMT_INLINE auto formatted_size(format_string fmt, - T &&...args) -> size_t { - auto buf = detail::counting_buffer<>(); - detail::vformat_to(buf, string_view(fmt), fmt::make_format_args(args...), {}); - return buf.count(); + T&&... args) -> size_t { + auto buf = detail::counting_buffer<>(); + detail::vformat_to(buf, string_view(fmt), fmt::make_format_args(args...), {}); + return buf.count(); } FMT_API void vprint(string_view fmt, format_args args); -FMT_API void vprint(std::FILE *f, string_view fmt, format_args args); +FMT_API void vprint(std::FILE* f, string_view fmt, format_args args); /** \rst @@ -3601,10 +3289,11 @@ FMT_API void vprint(std::FILE *f, string_view fmt, format_args args); fmt::print("Elapsed time: {0:.2f} seconds", 1.23); \endrst */ -template -FMT_INLINE void print(format_string fmt, T &&...args) { - const auto &vargs = fmt::make_format_args(args...); - return detail::is_utf8() ? vprint(fmt, vargs) : detail::vprint_mojibake(stdout, fmt, vargs); +template +FMT_INLINE void print(format_string fmt, T&&... args) { + const auto& vargs = fmt::make_format_args(args...); + return detail::is_utf8() ? vprint(fmt, vargs) + : detail::vprint_mojibake(stdout, fmt, vargs); } /** @@ -3617,10 +3306,11 @@ FMT_INLINE void print(format_string fmt, T &&...args) { fmt::print(stderr, "Don't {}!", "panic"); \endrst */ -template -FMT_INLINE void print(std::FILE *f, format_string fmt, T &&...args) { - const auto &vargs = fmt::make_format_args(args...); - return detail::is_utf8() ? vprint(f, fmt, vargs) : detail::vprint_mojibake(f, fmt, vargs); +template +FMT_INLINE void print(std::FILE* f, format_string fmt, T&&... args) { + const auto& vargs = fmt::make_format_args(args...); + return detail::is_utf8() ? vprint(f, fmt, vargs) + : detail::vprint_mojibake(f, fmt, vargs); } FMT_MODULE_EXPORT_END @@ -3628,6 +3318,6 @@ FMT_GCC_PRAGMA("GCC pop_options") FMT_END_NAMESPACE #ifdef FMT_HEADER_ONLY -#include "format.h" +# include "format.h" #endif #endif // FMT_CORE_H_ diff --git a/src/spdlog/fmt/bundled/format-inl.h b/src/spdlog/fmt/bundled/format-inl.h index 3592cfba..22b1ec8d 100644 --- a/src/spdlog/fmt/bundled/format-inl.h +++ b/src/spdlog/fmt/bundled/format-inl.h @@ -19,11 +19,11 @@ #include #ifndef FMT_STATIC_THOUSANDS_SEPARATOR -#include +# include #endif #ifdef _WIN32 -#include // _isatty +# include // _isatty #endif #include "format.h" @@ -31,92 +31,88 @@ FMT_BEGIN_NAMESPACE namespace detail { -FMT_FUNC void assert_fail(const char *file, int line, const char *message) { - // Use unchecked std::fprintf to avoid triggering another assertion when - // writing to stderr fails - std::fprintf(stderr, "%s:%d: assertion failed: %s", file, line, message); - // Chosen instead of std::abort to satisfy Clang in CUDA mode during device - // code pass. - std::terminate(); +FMT_FUNC void assert_fail(const char* file, int line, const char* message) { + // Use unchecked std::fprintf to avoid triggering another assertion when + // writing to stderr fails + std::fprintf(stderr, "%s:%d: assertion failed: %s", file, line, message); + // Chosen instead of std::abort to satisfy Clang in CUDA mode during device + // code pass. + std::terminate(); } -FMT_FUNC void throw_format_error(const char *message) { - FMT_THROW(format_error(message)); +FMT_FUNC void throw_format_error(const char* message) { + FMT_THROW(format_error(message)); } -FMT_FUNC void format_error_code(detail::buffer &out, int error_code, +FMT_FUNC void format_error_code(detail::buffer& out, int error_code, string_view message) noexcept { - // Report error code making sure that the output fits into - // inline_buffer_size to avoid dynamic memory allocation and potential - // bad_alloc. - out.try_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. - size_t error_code_size = sizeof(SEP) + sizeof(ERROR_STR) - 2; - auto abs_value = static_cast>(error_code); - if (detail::is_negative(error_code)) { - abs_value = 0 - abs_value; - ++error_code_size; - } - error_code_size += detail::to_unsigned(detail::count_digits(abs_value)); - auto it = buffer_appender(out); - if (message.size() <= inline_buffer_size - error_code_size) - format_to(it, FMT_STRING("{}{}"), message, SEP); - format_to(it, FMT_STRING("{}{}"), ERROR_STR, error_code); - FMT_ASSERT(out.size() <= inline_buffer_size, ""); + // Report error code making sure that the output fits into + // inline_buffer_size to avoid dynamic memory allocation and potential + // bad_alloc. + out.try_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. + size_t error_code_size = sizeof(SEP) + sizeof(ERROR_STR) - 2; + auto abs_value = static_cast>(error_code); + if (detail::is_negative(error_code)) { + abs_value = 0 - abs_value; + ++error_code_size; + } + error_code_size += detail::to_unsigned(detail::count_digits(abs_value)); + auto it = buffer_appender(out); + if (message.size() <= inline_buffer_size - error_code_size) + format_to(it, FMT_STRING("{}{}"), message, SEP); + format_to(it, FMT_STRING("{}{}"), ERROR_STR, error_code); + FMT_ASSERT(out.size() <= inline_buffer_size, ""); } FMT_FUNC void report_error(format_func func, int error_code, - const char *message) noexcept { - memory_buffer full_message; - func(full_message, error_code, message); - // Don't use fwrite_fully because the latter may throw. - if (std::fwrite(full_message.data(), full_message.size(), 1, stderr) > 0) - std::fputc('\n', stderr); + const char* message) noexcept { + memory_buffer full_message; + func(full_message, error_code, message); + // Don't use fwrite_fully because the latter may throw. + if (std::fwrite(full_message.data(), full_message.size(), 1, stderr) > 0) + std::fputc('\n', stderr); } // A wrapper around fwrite that throws on error. -inline 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, FMT_STRING("cannot write to file"))); +inline 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, FMT_STRING("cannot write to file"))); } #ifndef FMT_STATIC_THOUSANDS_SEPARATOR -template -locale_ref::locale_ref(const Locale &loc) - : locale_(&loc) { - static_assert(std::is_same::value, ""); +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 Locale locale_ref::get() const { + static_assert(std::is_same::value, ""); + return locale_ ? *static_cast(locale_) : std::locale(); } -template +template FMT_FUNC auto thousands_sep_impl(locale_ref loc) -> thousands_sep_result { - auto &facet = std::use_facet>(loc.get()); - auto grouping = facet.grouping(); - auto thousands_sep = grouping.empty() ? Char() : facet.thousands_sep(); - return {std::move(grouping), thousands_sep}; + auto& facet = std::use_facet>(loc.get()); + auto grouping = facet.grouping(); + auto thousands_sep = grouping.empty() ? Char() : facet.thousands_sep(); + return {std::move(grouping), thousands_sep}; } -template -FMT_FUNC Char decimal_point_impl(locale_ref loc) { - return std::use_facet>(loc.get()) - .decimal_point(); +template FMT_FUNC Char decimal_point_impl(locale_ref loc) { + return std::use_facet>(loc.get()) + .decimal_point(); } #else -template +template FMT_FUNC auto thousands_sep_impl(locale_ref) -> thousands_sep_result { - return {"\03", FMT_STATIC_THOUSANDS_SEPARATOR}; + return {"\03", FMT_STATIC_THOUSANDS_SEPARATOR}; } -template -FMT_FUNC Char decimal_point_impl(locale_ref) { - return '.'; +template FMT_FUNC Char decimal_point_impl(locale_ref) { + return '.'; } #endif } // namespace detail @@ -127,53 +123,52 @@ FMT_API FMT_FUNC format_error::~format_error() noexcept = default; FMT_FUNC std::system_error vsystem_error(int error_code, string_view format_str, format_args args) { - auto ec = std::error_code(error_code, std::generic_category()); - return std::system_error(ec, vformat(format_str, args)); + auto ec = std::error_code(error_code, std::generic_category()); + return std::system_error(ec, vformat(format_str, args)); } namespace detail { -template -inline bool operator==(basic_fp x, basic_fp y) { - return x.f == y.f && x.e == y.e; +template inline bool operator==(basic_fp x, basic_fp y) { + return x.f == y.f && x.e == y.e; } // Compilers should be able to optimize this into the ror instruction. FMT_CONSTEXPR inline uint32_t rotr(uint32_t n, uint32_t r) noexcept { - r &= 31; - return (n >> r) | (n << (32 - r)); + r &= 31; + return (n >> r) | (n << (32 - r)); } FMT_CONSTEXPR inline uint64_t rotr(uint64_t n, uint32_t r) noexcept { - r &= 63; - return (n >> r) | (n << (64 - r)); + r &= 63; + return (n >> r) | (n << (64 - r)); } // Computes 128-bit result of multiplication of two 64-bit unsigned integers. inline uint128_fallback umul128(uint64_t x, uint64_t y) noexcept { #if FMT_USE_INT128 - auto p = static_cast(x) * static_cast(y); - return {static_cast(p >> 64), static_cast(p)}; + auto p = static_cast(x) * static_cast(y); + return {static_cast(p >> 64), static_cast(p)}; #elif defined(_MSC_VER) && defined(_M_X64) - auto result = uint128_fallback(); - result.lo_ = _umul128(x, y, &result.hi_); - return result; + auto result = uint128_fallback(); + result.lo_ = _umul128(x, y, &result.hi_); + return result; #else - const uint64_t mask = static_cast(max_value()); + const uint64_t mask = static_cast(max_value()); - uint64_t a = x >> 32; - uint64_t b = x & mask; - uint64_t c = y >> 32; - uint64_t d = y & mask; + uint64_t a = x >> 32; + uint64_t b = x & mask; + uint64_t c = y >> 32; + uint64_t d = y & mask; - uint64_t ac = a * c; - uint64_t bc = b * c; - uint64_t ad = a * d; - uint64_t bd = b * d; + uint64_t ac = a * c; + uint64_t bc = b * c; + uint64_t ad = a * d; + uint64_t bd = b * d; - uint64_t intermediate = (bd >> 32) + (ad & mask) + (bc & mask); + uint64_t intermediate = (bd >> 32) + (ad & mask) + (bc & mask); - return {ac + (intermediate >> 32) + (ad >> 32) + (bc >> 32), - (intermediate << 32) + (bd & mask)}; + return {ac + (intermediate >> 32) + (ad >> 32) + (bc >> 32), + (intermediate << 32) + (bd & mask)}; #endif } @@ -182,12 +177,12 @@ namespace dragonbox { // Computes upper 64 bits of multiplication of two 64-bit unsigned integers. inline uint64_t umul128_upper64(uint64_t x, uint64_t y) noexcept { #if FMT_USE_INT128 - auto p = static_cast(x) * static_cast(y); - return static_cast(p >> 64); + auto p = static_cast(x) * static_cast(y); + return static_cast(p >> 64); #elif defined(_MSC_VER) && defined(_M_X64) - return __umulh(x, y); + return __umulh(x, y); #else - return umul128(x, y).high(); + return umul128(x, y).high(); #endif } @@ -195,2692 +190,1530 @@ inline uint64_t umul128_upper64(uint64_t x, uint64_t y) noexcept { // 128-bit unsigned integer. inline uint128_fallback umul192_upper128(uint64_t x, uint128_fallback y) noexcept { - uint128_fallback r = umul128(x, y.high()); - r += umul128_upper64(x, y.low()); - return r; + uint128_fallback r = umul128(x, y.high()); + r += umul128_upper64(x, y.low()); + return r; } // Computes upper 64 bits of multiplication of a 32-bit unsigned integer and a // 64-bit unsigned integer. inline uint64_t umul96_upper64(uint32_t x, uint64_t y) noexcept { - return umul128_upper64(static_cast(x) << 32, y); + return umul128_upper64(static_cast(x) << 32, y); } // Computes lower 128 bits of multiplication of a 64-bit unsigned integer and a // 128-bit unsigned integer. inline uint128_fallback umul192_lower128(uint64_t x, uint128_fallback y) noexcept { - uint64_t high = x * y.high(); - uint128_fallback high_low = umul128(x, y.low()); - return {high + high_low.high(), high_low.low()}; + uint64_t high = x * y.high(); + uint128_fallback high_low = umul128(x, y.low()); + return {high + high_low.high(), high_low.low()}; } // Computes lower 64 bits of multiplication of a 32-bit unsigned integer and a // 64-bit unsigned integer. inline uint64_t umul96_lower64(uint32_t x, uint64_t y) noexcept { - return x * y; + return x * y; } // Computes floor(log10(pow(2, e))) for e in [-2620, 2620] using the method from // https://fmt.dev/papers/Dragonbox.pdf#page=28, section 6.1. inline int floor_log10_pow2(int e) noexcept { - FMT_ASSERT(e <= 2620 && e >= -2620, "too large exponent"); - static_assert((-1 >> 1) == -1, "right shift is not arithmetic"); - return (e * 315653) >> 20; + FMT_ASSERT(e <= 2620 && e >= -2620, "too large exponent"); + static_assert((-1 >> 1) == -1, "right shift is not arithmetic"); + return (e * 315653) >> 20; } // Various fast log computations. inline int floor_log2_pow10(int e) noexcept { - FMT_ASSERT(e <= 1233 && e >= -1233, "too large exponent"); - return (e * 1741647) >> 19; + FMT_ASSERT(e <= 1233 && e >= -1233, "too large exponent"); + return (e * 1741647) >> 19; } inline int floor_log10_pow2_minus_log10_4_over_3(int e) noexcept { - FMT_ASSERT(e <= 2936 && e >= -2985, "too large exponent"); - return (e * 631305 - 261663) >> 21; + FMT_ASSERT(e <= 2936 && e >= -2985, "too large exponent"); + return (e * 631305 - 261663) >> 21; } static constexpr struct { - uint32_t divisor; - int shift_amount; + uint32_t divisor; + int shift_amount; } div_small_pow10_infos[] = {{10, 16}, {100, 16}}; // Replaces n by floor(n / pow(10, N)) returning true if and only if n is // divisible by pow(10, N). // Precondition: n <= pow(10, N + 1). -template -bool check_divisibility_and_divide_by_pow10(uint32_t &n) noexcept { - // The numbers below are chosen such that: - // 1. floor(n/d) = floor(nm / 2^k) where d=10 or d=100, - // 2. nm mod 2^k < m if and only if n is divisible by d, - // where m is magic_number, k is shift_amount - // and d is divisor. - // - // Item 1 is a common technique of replacing division by a constant with - // multiplication, see e.g. "Division by Invariant Integers Using - // Multiplication" by Granlund and Montgomery (1994). magic_number (m) is set - // to ceil(2^k/d) for large enough k. - // The idea for item 2 originates from Schubfach. - constexpr auto info = div_small_pow10_infos[N - 1]; - FMT_ASSERT(n <= info.divisor * 10, "n is too large"); - constexpr uint32_t magic_number = - (1u << info.shift_amount) / info.divisor + 1; - n *= magic_number; - const uint32_t comparison_mask = (1u << info.shift_amount) - 1; - bool result = (n & comparison_mask) < magic_number; - n >>= info.shift_amount; - return result; +template +bool check_divisibility_and_divide_by_pow10(uint32_t& n) noexcept { + // The numbers below are chosen such that: + // 1. floor(n/d) = floor(nm / 2^k) where d=10 or d=100, + // 2. nm mod 2^k < m if and only if n is divisible by d, + // where m is magic_number, k is shift_amount + // and d is divisor. + // + // Item 1 is a common technique of replacing division by a constant with + // multiplication, see e.g. "Division by Invariant Integers Using + // Multiplication" by Granlund and Montgomery (1994). magic_number (m) is set + // to ceil(2^k/d) for large enough k. + // The idea for item 2 originates from Schubfach. + constexpr auto info = div_small_pow10_infos[N - 1]; + FMT_ASSERT(n <= info.divisor * 10, "n is too large"); + constexpr uint32_t magic_number = + (1u << info.shift_amount) / info.divisor + 1; + n *= magic_number; + const uint32_t comparison_mask = (1u << info.shift_amount) - 1; + bool result = (n & comparison_mask) < magic_number; + n >>= info.shift_amount; + return result; } // Computes floor(n / pow(10, N)) for small n and N. // Precondition: n <= pow(10, N + 1). -template -uint32_t small_division_by_pow10(uint32_t n) noexcept { - constexpr auto info = div_small_pow10_infos[N - 1]; - FMT_ASSERT(n <= info.divisor * 10, "n is too large"); - constexpr uint32_t magic_number = - (1u << info.shift_amount) / info.divisor + 1; - return (n * magic_number) >> info.shift_amount; +template uint32_t small_division_by_pow10(uint32_t n) noexcept { + constexpr auto info = div_small_pow10_infos[N - 1]; + FMT_ASSERT(n <= info.divisor * 10, "n is too large"); + constexpr uint32_t magic_number = + (1u << info.shift_amount) / info.divisor + 1; + return (n * magic_number) >> info.shift_amount; } // Computes floor(n / 10^(kappa + 1)) (float) inline uint32_t divide_by_10_to_kappa_plus_1(uint32_t n) noexcept { - // 1374389535 = ceil(2^37/100) - return static_cast((static_cast(n) * 1374389535) >> 37); + // 1374389535 = ceil(2^37/100) + return static_cast((static_cast(n) * 1374389535) >> 37); } // Computes floor(n / 10^(kappa + 1)) (double) inline uint64_t divide_by_10_to_kappa_plus_1(uint64_t n) noexcept { - // 2361183241434822607 = ceil(2^(64+7)/1000) - return umul128_upper64(n, 2361183241434822607ull) >> 7; + // 2361183241434822607 = ceil(2^(64+7)/1000) + return umul128_upper64(n, 2361183241434822607ull) >> 7; } // Various subroutines using pow10 cache -template -struct cache_accessor; - -template<> -struct cache_accessor { - using carrier_uint = float_info::carrier_uint; - using cache_entry_type = uint64_t; - - static uint64_t get_cached_power(int k) noexcept { - FMT_ASSERT(k >= float_info::min_k && k <= float_info::max_k, - "k is out of range"); - static constexpr const uint64_t pow10_significands[] = { - 0x81ceb32c4b43fcf5, 0xa2425ff75e14fc32, 0xcad2f7f5359a3b3f, - 0xfd87b5f28300ca0e, 0x9e74d1b791e07e49, 0xc612062576589ddb, - 0xf79687aed3eec552, 0x9abe14cd44753b53, 0xc16d9a0095928a28, - 0xf1c90080baf72cb2, 0x971da05074da7bef, 0xbce5086492111aeb, - 0xec1e4a7db69561a6, 0x9392ee8e921d5d08, 0xb877aa3236a4b44a, - 0xe69594bec44de15c, 0x901d7cf73ab0acda, 0xb424dc35095cd810, - 0xe12e13424bb40e14, 0x8cbccc096f5088cc, 0xafebff0bcb24aaff, - 0xdbe6fecebdedd5bf, 0x89705f4136b4a598, 0xabcc77118461cefd, - 0xd6bf94d5e57a42bd, 0x8637bd05af6c69b6, 0xa7c5ac471b478424, - 0xd1b71758e219652c, 0x83126e978d4fdf3c, 0xa3d70a3d70a3d70b, - 0xcccccccccccccccd, 0x8000000000000000, 0xa000000000000000, - 0xc800000000000000, 0xfa00000000000000, 0x9c40000000000000, - 0xc350000000000000, 0xf424000000000000, 0x9896800000000000, - 0xbebc200000000000, 0xee6b280000000000, 0x9502f90000000000, - 0xba43b74000000000, 0xe8d4a51000000000, 0x9184e72a00000000, - 0xb5e620f480000000, 0xe35fa931a0000000, 0x8e1bc9bf04000000, - 0xb1a2bc2ec5000000, 0xde0b6b3a76400000, 0x8ac7230489e80000, - 0xad78ebc5ac620000, 0xd8d726b7177a8000, 0x878678326eac9000, - 0xa968163f0a57b400, 0xd3c21bcecceda100, 0x84595161401484a0, - 0xa56fa5b99019a5c8, 0xcecb8f27f4200f3a, 0x813f3978f8940985, - 0xa18f07d736b90be6, 0xc9f2c9cd04674edf, 0xfc6f7c4045812297, - 0x9dc5ada82b70b59e, 0xc5371912364ce306, 0xf684df56c3e01bc7, - 0x9a130b963a6c115d, 0xc097ce7bc90715b4, 0xf0bdc21abb48db21, - 0x96769950b50d88f5, 0xbc143fa4e250eb32, 0xeb194f8e1ae525fe, - 0x92efd1b8d0cf37bf, 0xb7abc627050305ae, 0xe596b7b0c643c71a, - 0x8f7e32ce7bea5c70, 0xb35dbf821ae4f38c, 0xe0352f62a19e306f}; - return pow10_significands[k - float_info::min_k]; - } - - struct compute_mul_result { - carrier_uint result; - bool is_integer; - }; - struct compute_mul_parity_result { - bool parity; - bool is_integer; - }; - - static compute_mul_result compute_mul( - carrier_uint u, const cache_entry_type &cache) noexcept { - auto r = umul96_upper64(u, cache); - return {static_cast(r >> 32), - static_cast(r) == 0}; - } - - static uint32_t compute_delta(const cache_entry_type &cache, - int beta) noexcept { - return static_cast(cache >> (64 - 1 - beta)); - } - - static compute_mul_parity_result compute_mul_parity( - carrier_uint two_f, const cache_entry_type &cache, int beta) noexcept { - FMT_ASSERT(beta >= 1, ""); - FMT_ASSERT(beta < 64, ""); - - auto r = umul96_lower64(two_f, cache); - return {((r >> (64 - beta)) & 1) != 0, - static_cast(r >> (32 - beta)) == 0}; - } - - static carrier_uint compute_left_endpoint_for_shorter_interval_case( - const cache_entry_type &cache, int beta) noexcept { - return static_cast( - (cache - (cache >> (num_significand_bits() + 2))) >> - (64 - num_significand_bits() - 1 - beta)); - } - - static carrier_uint compute_right_endpoint_for_shorter_interval_case( - const cache_entry_type &cache, int beta) noexcept { - return static_cast( - (cache + (cache >> (num_significand_bits() + 1))) >> - (64 - num_significand_bits() - 1 - beta)); - } - - static carrier_uint compute_round_up_for_shorter_interval_case( - const cache_entry_type &cache, int beta) noexcept { - return (static_cast( - cache >> (64 - num_significand_bits() - 2 - beta)) + - 1) / - 2; - } +template struct cache_accessor; + +template <> struct cache_accessor { + using carrier_uint = float_info::carrier_uint; + using cache_entry_type = uint64_t; + + static uint64_t get_cached_power(int k) noexcept { + FMT_ASSERT(k >= float_info::min_k && k <= float_info::max_k, + "k is out of range"); + static constexpr const uint64_t pow10_significands[] = { + 0x81ceb32c4b43fcf5, 0xa2425ff75e14fc32, 0xcad2f7f5359a3b3f, + 0xfd87b5f28300ca0e, 0x9e74d1b791e07e49, 0xc612062576589ddb, + 0xf79687aed3eec552, 0x9abe14cd44753b53, 0xc16d9a0095928a28, + 0xf1c90080baf72cb2, 0x971da05074da7bef, 0xbce5086492111aeb, + 0xec1e4a7db69561a6, 0x9392ee8e921d5d08, 0xb877aa3236a4b44a, + 0xe69594bec44de15c, 0x901d7cf73ab0acda, 0xb424dc35095cd810, + 0xe12e13424bb40e14, 0x8cbccc096f5088cc, 0xafebff0bcb24aaff, + 0xdbe6fecebdedd5bf, 0x89705f4136b4a598, 0xabcc77118461cefd, + 0xd6bf94d5e57a42bd, 0x8637bd05af6c69b6, 0xa7c5ac471b478424, + 0xd1b71758e219652c, 0x83126e978d4fdf3c, 0xa3d70a3d70a3d70b, + 0xcccccccccccccccd, 0x8000000000000000, 0xa000000000000000, + 0xc800000000000000, 0xfa00000000000000, 0x9c40000000000000, + 0xc350000000000000, 0xf424000000000000, 0x9896800000000000, + 0xbebc200000000000, 0xee6b280000000000, 0x9502f90000000000, + 0xba43b74000000000, 0xe8d4a51000000000, 0x9184e72a00000000, + 0xb5e620f480000000, 0xe35fa931a0000000, 0x8e1bc9bf04000000, + 0xb1a2bc2ec5000000, 0xde0b6b3a76400000, 0x8ac7230489e80000, + 0xad78ebc5ac620000, 0xd8d726b7177a8000, 0x878678326eac9000, + 0xa968163f0a57b400, 0xd3c21bcecceda100, 0x84595161401484a0, + 0xa56fa5b99019a5c8, 0xcecb8f27f4200f3a, 0x813f3978f8940985, + 0xa18f07d736b90be6, 0xc9f2c9cd04674edf, 0xfc6f7c4045812297, + 0x9dc5ada82b70b59e, 0xc5371912364ce306, 0xf684df56c3e01bc7, + 0x9a130b963a6c115d, 0xc097ce7bc90715b4, 0xf0bdc21abb48db21, + 0x96769950b50d88f5, 0xbc143fa4e250eb32, 0xeb194f8e1ae525fe, + 0x92efd1b8d0cf37bf, 0xb7abc627050305ae, 0xe596b7b0c643c71a, + 0x8f7e32ce7bea5c70, 0xb35dbf821ae4f38c, 0xe0352f62a19e306f}; + return pow10_significands[k - float_info::min_k]; + } + + struct compute_mul_result { + carrier_uint result; + bool is_integer; + }; + struct compute_mul_parity_result { + bool parity; + bool is_integer; + }; + + static compute_mul_result compute_mul( + carrier_uint u, const cache_entry_type& cache) noexcept { + auto r = umul96_upper64(u, cache); + return {static_cast(r >> 32), + static_cast(r) == 0}; + } + + static uint32_t compute_delta(const cache_entry_type& cache, + int beta) noexcept { + return static_cast(cache >> (64 - 1 - beta)); + } + + static compute_mul_parity_result compute_mul_parity( + carrier_uint two_f, const cache_entry_type& cache, int beta) noexcept { + FMT_ASSERT(beta >= 1, ""); + FMT_ASSERT(beta < 64, ""); + + auto r = umul96_lower64(two_f, cache); + return {((r >> (64 - beta)) & 1) != 0, + static_cast(r >> (32 - beta)) == 0}; + } + + static carrier_uint compute_left_endpoint_for_shorter_interval_case( + const cache_entry_type& cache, int beta) noexcept { + return static_cast( + (cache - (cache >> (num_significand_bits() + 2))) >> + (64 - num_significand_bits() - 1 - beta)); + } + + static carrier_uint compute_right_endpoint_for_shorter_interval_case( + const cache_entry_type& cache, int beta) noexcept { + return static_cast( + (cache + (cache >> (num_significand_bits() + 1))) >> + (64 - num_significand_bits() - 1 - beta)); + } + + static carrier_uint compute_round_up_for_shorter_interval_case( + const cache_entry_type& cache, int beta) noexcept { + return (static_cast( + cache >> (64 - num_significand_bits() - 2 - beta)) + + 1) / + 2; + } }; -template<> -struct cache_accessor { - using carrier_uint = float_info::carrier_uint; - using cache_entry_type = uint128_fallback; +template <> struct cache_accessor { + using carrier_uint = float_info::carrier_uint; + using cache_entry_type = uint128_fallback; - static uint128_fallback get_cached_power(int k) noexcept { - FMT_ASSERT(k >= float_info::min_k && k <= float_info::max_k, - "k is out of range"); + static uint128_fallback get_cached_power(int k) noexcept { + FMT_ASSERT(k >= float_info::min_k && k <= float_info::max_k, + "k is out of range"); - static constexpr const uint128_fallback pow10_significands[] = { + static constexpr const uint128_fallback pow10_significands[] = { #if FMT_USE_FULL_CACHE_DRAGONBOX - {0xff77b1fcbebcdc4f, 0x25e8e89c13bb0f7b}, - {0x9faacf3df73609b1, 0x77b191618c54e9ad}, - {0xc795830d75038c1d, 0xd59df5b9ef6a2418}, - {0xf97ae3d0d2446f25, 0x4b0573286b44ad1e}, - {0x9becce62836ac577, 0x4ee367f9430aec33}, - {0xc2e801fb244576d5, 0x229c41f793cda740}, - {0xf3a20279ed56d48a, 0x6b43527578c11110}, - {0x9845418c345644d6, 0x830a13896b78aaaa}, - {0xbe5691ef416bd60c, 0x23cc986bc656d554}, - {0xedec366b11c6cb8f, 0x2cbfbe86b7ec8aa9}, - {0x94b3a202eb1c3f39, 0x7bf7d71432f3d6aa}, - {0xb9e08a83a5e34f07, 0xdaf5ccd93fb0cc54}, - {0xe858ad248f5c22c9, 0xd1b3400f8f9cff69}, - {0x91376c36d99995be, 0x23100809b9c21fa2}, - {0xb58547448ffffb2d, 0xabd40a0c2832a78b}, - {0xe2e69915b3fff9f9, 0x16c90c8f323f516d}, - {0x8dd01fad907ffc3b, 0xae3da7d97f6792e4}, - {0xb1442798f49ffb4a, 0x99cd11cfdf41779d}, - {0xdd95317f31c7fa1d, 0x40405643d711d584}, - {0x8a7d3eef7f1cfc52, 0x482835ea666b2573}, - {0xad1c8eab5ee43b66, 0xda3243650005eed0}, - {0xd863b256369d4a40, 0x90bed43e40076a83}, - {0x873e4f75e2224e68, 0x5a7744a6e804a292}, - {0xa90de3535aaae202, 0x711515d0a205cb37}, - {0xd3515c2831559a83, 0x0d5a5b44ca873e04}, - {0x8412d9991ed58091, 0xe858790afe9486c3}, - {0xa5178fff668ae0b6, 0x626e974dbe39a873}, - {0xce5d73ff402d98e3, 0xfb0a3d212dc81290}, - {0x80fa687f881c7f8e, 0x7ce66634bc9d0b9a}, - {0xa139029f6a239f72, 0x1c1fffc1ebc44e81}, - {0xc987434744ac874e, 0xa327ffb266b56221}, - {0xfbe9141915d7a922, 0x4bf1ff9f0062baa9}, - {0x9d71ac8fada6c9b5, 0x6f773fc3603db4aa}, - {0xc4ce17b399107c22, 0xcb550fb4384d21d4}, - {0xf6019da07f549b2b, 0x7e2a53a146606a49}, - {0x99c102844f94e0fb, 0x2eda7444cbfc426e}, - {0xc0314325637a1939, 0xfa911155fefb5309}, - {0xf03d93eebc589f88, 0x793555ab7eba27cb}, - {0x96267c7535b763b5, 0x4bc1558b2f3458df}, - {0xbbb01b9283253ca2, 0x9eb1aaedfb016f17}, - {0xea9c227723ee8bcb, 0x465e15a979c1cadd}, - {0x92a1958a7675175f, 0x0bfacd89ec191eca}, - {0xb749faed14125d36, 0xcef980ec671f667c}, - {0xe51c79a85916f484, 0x82b7e12780e7401b}, - {0x8f31cc0937ae58d2, 0xd1b2ecb8b0908811}, - {0xb2fe3f0b8599ef07, 0x861fa7e6dcb4aa16}, - {0xdfbdcece67006ac9, 0x67a791e093e1d49b}, - {0x8bd6a141006042bd, 0xe0c8bb2c5c6d24e1}, - {0xaecc49914078536d, 0x58fae9f773886e19}, - {0xda7f5bf590966848, 0xaf39a475506a899f}, - {0x888f99797a5e012d, 0x6d8406c952429604}, - {0xaab37fd7d8f58178, 0xc8e5087ba6d33b84}, - {0xd5605fcdcf32e1d6, 0xfb1e4a9a90880a65}, - {0x855c3be0a17fcd26, 0x5cf2eea09a550680}, - {0xa6b34ad8c9dfc06f, 0xf42faa48c0ea481f}, - {0xd0601d8efc57b08b, 0xf13b94daf124da27}, - {0x823c12795db6ce57, 0x76c53d08d6b70859}, - {0xa2cb1717b52481ed, 0x54768c4b0c64ca6f}, - {0xcb7ddcdda26da268, 0xa9942f5dcf7dfd0a}, - {0xfe5d54150b090b02, 0xd3f93b35435d7c4d}, - {0x9efa548d26e5a6e1, 0xc47bc5014a1a6db0}, - {0xc6b8e9b0709f109a, 0x359ab6419ca1091c}, - {0xf867241c8cc6d4c0, 0xc30163d203c94b63}, - {0x9b407691d7fc44f8, 0x79e0de63425dcf1e}, - {0xc21094364dfb5636, 0x985915fc12f542e5}, - {0xf294b943e17a2bc4, 0x3e6f5b7b17b2939e}, - {0x979cf3ca6cec5b5a, 0xa705992ceecf9c43}, - {0xbd8430bd08277231, 0x50c6ff782a838354}, - {0xece53cec4a314ebd, 0xa4f8bf5635246429}, - {0x940f4613ae5ed136, 0x871b7795e136be9a}, - {0xb913179899f68584, 0x28e2557b59846e40}, - {0xe757dd7ec07426e5, 0x331aeada2fe589d0}, - {0x9096ea6f3848984f, 0x3ff0d2c85def7622}, - {0xb4bca50b065abe63, 0x0fed077a756b53aa}, - {0xe1ebce4dc7f16dfb, 0xd3e8495912c62895}, - {0x8d3360f09cf6e4bd, 0x64712dd7abbbd95d}, - {0xb080392cc4349dec, 0xbd8d794d96aacfb4}, - {0xdca04777f541c567, 0xecf0d7a0fc5583a1}, - {0x89e42caaf9491b60, 0xf41686c49db57245}, - {0xac5d37d5b79b6239, 0x311c2875c522ced6}, - {0xd77485cb25823ac7, 0x7d633293366b828c}, - {0x86a8d39ef77164bc, 0xae5dff9c02033198}, - {0xa8530886b54dbdeb, 0xd9f57f830283fdfd}, - {0xd267caa862a12d66, 0xd072df63c324fd7c}, - {0x8380dea93da4bc60, 0x4247cb9e59f71e6e}, - {0xa46116538d0deb78, 0x52d9be85f074e609}, - {0xcd795be870516656, 0x67902e276c921f8c}, - {0x806bd9714632dff6, 0x00ba1cd8a3db53b7}, - {0xa086cfcd97bf97f3, 0x80e8a40eccd228a5}, - {0xc8a883c0fdaf7df0, 0x6122cd128006b2ce}, - {0xfad2a4b13d1b5d6c, 0x796b805720085f82}, - {0x9cc3a6eec6311a63, 0xcbe3303674053bb1}, - {0xc3f490aa77bd60fc, 0xbedbfc4411068a9d}, - {0xf4f1b4d515acb93b, 0xee92fb5515482d45}, - {0x991711052d8bf3c5, 0x751bdd152d4d1c4b}, - {0xbf5cd54678eef0b6, 0xd262d45a78a0635e}, - {0xef340a98172aace4, 0x86fb897116c87c35}, - {0x9580869f0e7aac0e, 0xd45d35e6ae3d4da1}, - {0xbae0a846d2195712, 0x8974836059cca10a}, - {0xe998d258869facd7, 0x2bd1a438703fc94c}, - {0x91ff83775423cc06, 0x7b6306a34627ddd0}, - {0xb67f6455292cbf08, 0x1a3bc84c17b1d543}, - {0xe41f3d6a7377eeca, 0x20caba5f1d9e4a94}, - {0x8e938662882af53e, 0x547eb47b7282ee9d}, - {0xb23867fb2a35b28d, 0xe99e619a4f23aa44}, - {0xdec681f9f4c31f31, 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0x1ede48111209a051}, + {0x83ea2b892091e44d, 0x934aed0aab460433}, + {0xa4e4b66b68b65d60, 0xf81da84d56178540}, + {0xce1de40642e3f4b9, 0x36251260ab9d668f}, + {0x80d2ae83e9ce78f3, 0xc1d72b7c6b42601a}, + {0xa1075a24e4421730, 0xb24cf65b8612f820}, + {0xc94930ae1d529cfc, 0xdee033f26797b628}, + {0xfb9b7cd9a4a7443c, 0x169840ef017da3b2}, + {0x9d412e0806e88aa5, 0x8e1f289560ee864f}, + {0xc491798a08a2ad4e, 0xf1a6f2bab92a27e3}, + {0xf5b5d7ec8acb58a2, 0xae10af696774b1dc}, + {0x9991a6f3d6bf1765, 0xacca6da1e0a8ef2a}, + {0xbff610b0cc6edd3f, 0x17fd090a58d32af4}, + {0xeff394dcff8a948e, 0xddfc4b4cef07f5b1}, + {0x95f83d0a1fb69cd9, 0x4abdaf101564f98f}, + {0xbb764c4ca7a4440f, 0x9d6d1ad41abe37f2}, + {0xea53df5fd18d5513, 0x84c86189216dc5ee}, + {0x92746b9be2f8552c, 0x32fd3cf5b4e49bb5}, + {0xb7118682dbb66a77, 0x3fbc8c33221dc2a2}, + {0xe4d5e82392a40515, 0x0fabaf3feaa5334b}, + {0x8f05b1163ba6832d, 0x29cb4d87f2a7400f}, + {0xb2c71d5bca9023f8, 0x743e20e9ef511013}, + {0xdf78e4b2bd342cf6, 0x914da9246b255417}, + {0x8bab8eefb6409c1a, 0x1ad089b6c2f7548f}, + {0xae9672aba3d0c320, 0xa184ac2473b529b2}, + {0xda3c0f568cc4f3e8, 0xc9e5d72d90a2741f}, + {0x8865899617fb1871, 0x7e2fa67c7a658893}, + {0xaa7eebfb9df9de8d, 0xddbb901b98feeab8}, + {0xd51ea6fa85785631, 0x552a74227f3ea566}, + {0x8533285c936b35de, 0xd53a88958f872760}, + {0xa67ff273b8460356, 0x8a892abaf368f138}, + {0xd01fef10a657842c, 0x2d2b7569b0432d86}, + {0x8213f56a67f6b29b, 0x9c3b29620e29fc74}, + {0xa298f2c501f45f42, 0x8349f3ba91b47b90}, + {0xcb3f2f7642717713, 0x241c70a936219a74}, + {0xfe0efb53d30dd4d7, 0xed238cd383aa0111}, + {0x9ec95d1463e8a506, 0xf4363804324a40ab}, + {0xc67bb4597ce2ce48, 0xb143c6053edcd0d6}, + {0xf81aa16fdc1b81da, 0xdd94b7868e94050b}, + {0x9b10a4e5e9913128, 0xca7cf2b4191c8327}, + {0xc1d4ce1f63f57d72, 0xfd1c2f611f63a3f1}, + {0xf24a01a73cf2dccf, 0xbc633b39673c8ced}, + {0x976e41088617ca01, 0xd5be0503e085d814}, + {0xbd49d14aa79dbc82, 0x4b2d8644d8a74e19}, + {0xec9c459d51852ba2, 0xddf8e7d60ed1219f}, + {0x93e1ab8252f33b45, 0xcabb90e5c942b504}, + {0xb8da1662e7b00a17, 0x3d6a751f3b936244}, + {0xe7109bfba19c0c9d, 0x0cc512670a783ad5}, + {0x906a617d450187e2, 0x27fb2b80668b24c6}, + {0xb484f9dc9641e9da, 0xb1f9f660802dedf7}, + {0xe1a63853bbd26451, 0x5e7873f8a0396974}, + {0x8d07e33455637eb2, 0xdb0b487b6423e1e9}, + {0xb049dc016abc5e5f, 0x91ce1a9a3d2cda63}, + {0xdc5c5301c56b75f7, 0x7641a140cc7810fc}, + {0x89b9b3e11b6329ba, 0xa9e904c87fcb0a9e}, + {0xac2820d9623bf429, 0x546345fa9fbdcd45}, + {0xd732290fbacaf133, 0xa97c177947ad4096}, + {0x867f59a9d4bed6c0, 0x49ed8eabcccc485e}, + {0xa81f301449ee8c70, 0x5c68f256bfff5a75}, + {0xd226fc195c6a2f8c, 0x73832eec6fff3112}, + {0x83585d8fd9c25db7, 0xc831fd53c5ff7eac}, + {0xa42e74f3d032f525, 0xba3e7ca8b77f5e56}, + {0xcd3a1230c43fb26f, 0x28ce1bd2e55f35ec}, + {0x80444b5e7aa7cf85, 0x7980d163cf5b81b4}, + {0xa0555e361951c366, 0xd7e105bcc3326220}, + {0xc86ab5c39fa63440, 0x8dd9472bf3fefaa8}, + {0xfa856334878fc150, 0xb14f98f6f0feb952}, + {0x9c935e00d4b9d8d2, 0x6ed1bf9a569f33d4}, + {0xc3b8358109e84f07, 0x0a862f80ec4700c9}, + {0xf4a642e14c6262c8, 0xcd27bb612758c0fb}, + {0x98e7e9cccfbd7dbd, 0x8038d51cb897789d}, + {0xbf21e44003acdd2c, 0xe0470a63e6bd56c4}, + {0xeeea5d5004981478, 0x1858ccfce06cac75}, + {0x95527a5202df0ccb, 0x0f37801e0c43ebc9}, + {0xbaa718e68396cffd, 0xd30560258f54e6bb}, + {0xe950df20247c83fd, 0x47c6b82ef32a206a}, + {0x91d28b7416cdd27e, 0x4cdc331d57fa5442}, + {0xb6472e511c81471d, 0xe0133fe4adf8e953}, + {0xe3d8f9e563a198e5, 0x58180fddd97723a7}, + {0x8e679c2f5e44ff8f, 0x570f09eaa7ea7649}, + {0xb201833b35d63f73, 0x2cd2cc6551e513db}, + {0xde81e40a034bcf4f, 0xf8077f7ea65e58d2}, + {0x8b112e86420f6191, 0xfb04afaf27faf783}, + {0xadd57a27d29339f6, 0x79c5db9af1f9b564}, + {0xd94ad8b1c7380874, 0x18375281ae7822bd}, + {0x87cec76f1c830548, 0x8f2293910d0b15b6}, + {0xa9c2794ae3a3c69a, 0xb2eb3875504ddb23}, + {0xd433179d9c8cb841, 0x5fa60692a46151ec}, + {0x849feec281d7f328, 0xdbc7c41ba6bcd334}, + {0xa5c7ea73224deff3, 0x12b9b522906c0801}, + {0xcf39e50feae16bef, 0xd768226b34870a01}, + {0x81842f29f2cce375, 0xe6a1158300d46641}, + {0xa1e53af46f801c53, 0x60495ae3c1097fd1}, + {0xca5e89b18b602368, 0x385bb19cb14bdfc5}, + {0xfcf62c1dee382c42, 0x46729e03dd9ed7b6}, + {0x9e19db92b4e31ba9, 0x6c07a2c26a8346d2}, + {0xc5a05277621be293, 0xc7098b7305241886}, + { 0xf70867153aa2db38, + 0xb8cbee4fc66d1ea8 } #else - {0xff77b1fcbebcdc4f, 0x25e8e89c13bb0f7b}, - {0xce5d73ff402d98e3, 0xfb0a3d212dc81290}, - {0xa6b34ad8c9dfc06f, 0xf42faa48c0ea481f}, - {0x86a8d39ef77164bc, 0xae5dff9c02033198}, - {0xd98ddaee19068c76, 0x3badd624dd9b0958}, - {0xafbd2350644eeacf, 0xe5d1929ef90898fb}, - {0x8df5efabc5979c8f, 0xca8d3ffa1ef463c2}, - {0xe55990879ddcaabd, 0xcc420a6a101d0516}, - {0xb94470938fa89bce, 0xf808e40e8d5b3e6a}, - {0x95a8637627989aad, 0xdde7001379a44aa9}, - {0xf1c90080baf72cb1, 0x5324c68b12dd6339}, - {0xc350000000000000, 0x0000000000000000}, - {0x9dc5ada82b70b59d, 0xf020000000000000}, - {0xfee50b7025c36a08, 0x02f236d04753d5b5}, - {0xcde6fd5e09abcf26, 0xed4c0226b55e6f87}, - {0xa6539930bf6bff45, 0x84db8346b786151d}, - {0x865b86925b9bc5c2, 0x0b8a2392ba45a9b3}, - {0xd910f7ff28069da4, 0x1b2ba1518094da05}, - {0xaf58416654a6babb, 0x387ac8d1970027b3}, - {0x8da471a9de737e24, 0x5ceaecfed289e5d3}, - {0xe4d5e82392a40515, 0x0fabaf3feaa5334b}, - {0xb8da1662e7b00a17, 0x3d6a751f3b936244}, - { 0x95527a5202df0ccb, - 0x0f37801e0c43ebc9 } + {0xff77b1fcbebcdc4f, 0x25e8e89c13bb0f7b}, + {0xce5d73ff402d98e3, 0xfb0a3d212dc81290}, + {0xa6b34ad8c9dfc06f, 0xf42faa48c0ea481f}, + {0x86a8d39ef77164bc, 0xae5dff9c02033198}, + {0xd98ddaee19068c76, 0x3badd624dd9b0958}, + {0xafbd2350644eeacf, 0xe5d1929ef90898fb}, + {0x8df5efabc5979c8f, 0xca8d3ffa1ef463c2}, + {0xe55990879ddcaabd, 0xcc420a6a101d0516}, + {0xb94470938fa89bce, 0xf808e40e8d5b3e6a}, + {0x95a8637627989aad, 0xdde7001379a44aa9}, + {0xf1c90080baf72cb1, 0x5324c68b12dd6339}, + {0xc350000000000000, 0x0000000000000000}, + {0x9dc5ada82b70b59d, 0xf020000000000000}, + {0xfee50b7025c36a08, 0x02f236d04753d5b5}, + {0xcde6fd5e09abcf26, 0xed4c0226b55e6f87}, + {0xa6539930bf6bff45, 0x84db8346b786151d}, + {0x865b86925b9bc5c2, 0x0b8a2392ba45a9b3}, + {0xd910f7ff28069da4, 0x1b2ba1518094da05}, + {0xaf58416654a6babb, 0x387ac8d1970027b3}, + {0x8da471a9de737e24, 0x5ceaecfed289e5d3}, + {0xe4d5e82392a40515, 0x0fabaf3feaa5334b}, + {0xb8da1662e7b00a17, 0x3d6a751f3b936244}, + { 0x95527a5202df0ccb, + 0x0f37801e0c43ebc9 } #endif - }; + }; #if FMT_USE_FULL_CACHE_DRAGONBOX - return pow10_significands[k - float_info::min_k]; + return pow10_significands[k - float_info::min_k]; #else - static constexpr const uint64_t powers_of_5_64[] = { - 0x0000000000000001, 0x0000000000000005, 0x0000000000000019, - 0x000000000000007d, 0x0000000000000271, 0x0000000000000c35, - 0x0000000000003d09, 0x000000000001312d, 0x000000000005f5e1, - 0x00000000001dcd65, 0x00000000009502f9, 0x0000000002e90edd, - 0x000000000e8d4a51, 0x0000000048c27395, 0x000000016bcc41e9, - 0x000000071afd498d, 0x0000002386f26fc1, 0x000000b1a2bc2ec5, - 0x000003782dace9d9, 0x00001158e460913d, 0x000056bc75e2d631, - 0x0001b1ae4d6e2ef5, 0x000878678326eac9, 0x002a5a058fc295ed, - 0x00d3c21bcecceda1, 0x0422ca8b0a00a425, 0x14adf4b7320334b9}; - - static const int compression_ratio = 27; - - // Compute base index. - int cache_index = (k - float_info::min_k) / compression_ratio; - int kb = cache_index * compression_ratio + float_info::min_k; - int offset = k - kb; - - // Get base cache. - uint128_fallback base_cache = pow10_significands[cache_index]; - if (offset == 0) return base_cache; - - // Compute the required amount of bit-shift. - int alpha = floor_log2_pow10(kb + offset) - floor_log2_pow10(kb) - offset; - FMT_ASSERT(alpha > 0 && alpha < 64, "shifting error detected"); - - // Try to recover the real cache. - uint64_t pow5 = powers_of_5_64[offset]; - uint128_fallback recovered_cache = umul128(base_cache.high(), pow5); - uint128_fallback middle_low = umul128(base_cache.low(), pow5); - - recovered_cache += middle_low.high(); - - uint64_t high_to_middle = recovered_cache.high() << (64 - alpha); - uint64_t middle_to_low = recovered_cache.low() << (64 - alpha); - - recovered_cache = - uint128_fallback{(recovered_cache.low() >> alpha) | high_to_middle, - ((middle_low.low() >> alpha) | middle_to_low)}; - FMT_ASSERT(recovered_cache.low() + 1 != 0, ""); - return {recovered_cache.high(), recovered_cache.low() + 1}; + static constexpr const uint64_t powers_of_5_64[] = { + 0x0000000000000001, 0x0000000000000005, 0x0000000000000019, + 0x000000000000007d, 0x0000000000000271, 0x0000000000000c35, + 0x0000000000003d09, 0x000000000001312d, 0x000000000005f5e1, + 0x00000000001dcd65, 0x00000000009502f9, 0x0000000002e90edd, + 0x000000000e8d4a51, 0x0000000048c27395, 0x000000016bcc41e9, + 0x000000071afd498d, 0x0000002386f26fc1, 0x000000b1a2bc2ec5, + 0x000003782dace9d9, 0x00001158e460913d, 0x000056bc75e2d631, + 0x0001b1ae4d6e2ef5, 0x000878678326eac9, 0x002a5a058fc295ed, + 0x00d3c21bcecceda1, 0x0422ca8b0a00a425, 0x14adf4b7320334b9}; + + static const int compression_ratio = 27; + + // Compute base index. + int cache_index = (k - float_info::min_k) / compression_ratio; + int kb = cache_index * compression_ratio + float_info::min_k; + int offset = k - kb; + + // Get base cache. + uint128_fallback base_cache = pow10_significands[cache_index]; + if (offset == 0) return base_cache; + + // Compute the required amount of bit-shift. + int alpha = floor_log2_pow10(kb + offset) - floor_log2_pow10(kb) - offset; + FMT_ASSERT(alpha > 0 && alpha < 64, "shifting error detected"); + + // Try to recover the real cache. + uint64_t pow5 = powers_of_5_64[offset]; + uint128_fallback recovered_cache = umul128(base_cache.high(), pow5); + uint128_fallback middle_low = umul128(base_cache.low(), pow5); + + recovered_cache += middle_low.high(); + + uint64_t high_to_middle = recovered_cache.high() << (64 - alpha); + uint64_t middle_to_low = recovered_cache.low() << (64 - alpha); + + recovered_cache = + uint128_fallback{(recovered_cache.low() >> alpha) | high_to_middle, + ((middle_low.low() >> alpha) | middle_to_low)}; + FMT_ASSERT(recovered_cache.low() + 1 != 0, ""); + return {recovered_cache.high(), recovered_cache.low() + 1}; #endif - } - - struct compute_mul_result { - carrier_uint result; - bool is_integer; - }; - struct compute_mul_parity_result { - bool parity; - bool is_integer; - }; - - static compute_mul_result compute_mul( - carrier_uint u, const cache_entry_type &cache) noexcept { - auto r = umul192_upper128(u, cache); - return {r.high(), r.low() == 0}; - } - - static uint32_t compute_delta(cache_entry_type const &cache, - int beta) noexcept { - return static_cast(cache.high() >> (64 - 1 - beta)); - } - - static compute_mul_parity_result compute_mul_parity( - carrier_uint two_f, const cache_entry_type &cache, int beta) noexcept { - FMT_ASSERT(beta >= 1, ""); - FMT_ASSERT(beta < 64, ""); - - auto r = umul192_lower128(two_f, cache); - return {((r.high() >> (64 - beta)) & 1) != 0, - ((r.high() << beta) | (r.low() >> (64 - beta))) == 0}; - } - - static carrier_uint compute_left_endpoint_for_shorter_interval_case( - const cache_entry_type &cache, int beta) noexcept { - return (cache.high() - - (cache.high() >> (num_significand_bits() + 2))) >> - (64 - num_significand_bits() - 1 - beta); - } - - static carrier_uint compute_right_endpoint_for_shorter_interval_case( - const cache_entry_type &cache, int beta) noexcept { - return (cache.high() + - (cache.high() >> (num_significand_bits() + 1))) >> - (64 - num_significand_bits() - 1 - beta); - } - - static carrier_uint compute_round_up_for_shorter_interval_case( - const cache_entry_type &cache, int beta) noexcept { - return ((cache.high() >> (64 - num_significand_bits() - 2 - beta)) + - 1) / - 2; - } + } + + struct compute_mul_result { + carrier_uint result; + bool is_integer; + }; + struct compute_mul_parity_result { + bool parity; + bool is_integer; + }; + + static compute_mul_result compute_mul( + carrier_uint u, const cache_entry_type& cache) noexcept { + auto r = umul192_upper128(u, cache); + return {r.high(), r.low() == 0}; + } + + static uint32_t compute_delta(cache_entry_type const& cache, + int beta) noexcept { + return static_cast(cache.high() >> (64 - 1 - beta)); + } + + static compute_mul_parity_result compute_mul_parity( + carrier_uint two_f, const cache_entry_type& cache, int beta) noexcept { + FMT_ASSERT(beta >= 1, ""); + FMT_ASSERT(beta < 64, ""); + + auto r = umul192_lower128(two_f, cache); + return {((r.high() >> (64 - beta)) & 1) != 0, + ((r.high() << beta) | (r.low() >> (64 - beta))) == 0}; + } + + static carrier_uint compute_left_endpoint_for_shorter_interval_case( + const cache_entry_type& cache, int beta) noexcept { + return (cache.high() - + (cache.high() >> (num_significand_bits() + 2))) >> + (64 - num_significand_bits() - 1 - beta); + } + + static carrier_uint compute_right_endpoint_for_shorter_interval_case( + const cache_entry_type& cache, int beta) noexcept { + return (cache.high() + + (cache.high() >> (num_significand_bits() + 1))) >> + (64 - num_significand_bits() - 1 - beta); + } + + static carrier_uint compute_round_up_for_shorter_interval_case( + const cache_entry_type& cache, int beta) noexcept { + return ((cache.high() >> (64 - num_significand_bits() - 2 - beta)) + + 1) / + 2; + } }; // Various integer checks -template +template bool is_left_endpoint_integer_shorter_interval(int exponent) noexcept { - const int case_shorter_interval_left_endpoint_lower_threshold = 2; - const int case_shorter_interval_left_endpoint_upper_threshold = 3; - return exponent >= case_shorter_interval_left_endpoint_lower_threshold && - exponent <= case_shorter_interval_left_endpoint_upper_threshold; + const int case_shorter_interval_left_endpoint_lower_threshold = 2; + const int case_shorter_interval_left_endpoint_upper_threshold = 3; + return exponent >= case_shorter_interval_left_endpoint_lower_threshold && + exponent <= case_shorter_interval_left_endpoint_upper_threshold; } // Remove trailing zeros from n and return the number of zeros removed (float) -FMT_INLINE int remove_trailing_zeros(uint32_t &n) noexcept { - FMT_ASSERT(n != 0, ""); - const uint32_t mod_inv_5 = 0xcccccccd; - const uint32_t mod_inv_25 = mod_inv_5 * mod_inv_5; - - int s = 0; - while (true) { - auto q = rotr(n * mod_inv_25, 2); - if (q > max_value() / 100) break; - n = q; - s += 2; - } - auto q = rotr(n * mod_inv_5, 1); - if (q <= max_value() / 10) { - n = q; - s |= 1; - } - - return s; +FMT_INLINE int remove_trailing_zeros(uint32_t& n) noexcept { + FMT_ASSERT(n != 0, ""); + const uint32_t mod_inv_5 = 0xcccccccd; + const uint32_t mod_inv_25 = mod_inv_5 * mod_inv_5; + + int s = 0; + while (true) { + auto q = rotr(n * mod_inv_25, 2); + if (q > max_value() / 100) break; + n = q; + s += 2; + } + auto q = rotr(n * mod_inv_5, 1); + if (q <= max_value() / 10) { + n = q; + s |= 1; + } + + return s; } // Removes trailing zeros and returns the number of zeros removed (double) -FMT_INLINE int remove_trailing_zeros(uint64_t &n) noexcept { - FMT_ASSERT(n != 0, ""); - - // This magic number is ceil(2^90 / 10^8). - constexpr uint64_t magic_number = 12379400392853802749ull; - auto nm = umul128(n, magic_number); - - // Is n is divisible by 10^8? - if ((nm.high() & ((1ull << (90 - 64)) - 1)) == 0 && nm.low() < magic_number) { - // If yes, work with the quotient. - auto n32 = static_cast(nm.high() >> (90 - 64)); - - const uint32_t mod_inv_5 = 0xcccccccd; - const uint32_t mod_inv_25 = mod_inv_5 * mod_inv_5; - - int s = 8; - while (true) { - auto q = rotr(n32 * mod_inv_25, 2); - if (q > max_value() / 100) break; - n32 = q; - s += 2; - } - auto q = rotr(n32 * mod_inv_5, 1); - if (q <= max_value() / 10) { - n32 = q; - s |= 1; - } - - n = n32; - return s; - } +FMT_INLINE int remove_trailing_zeros(uint64_t& n) noexcept { + FMT_ASSERT(n != 0, ""); + + // This magic number is ceil(2^90 / 10^8). + constexpr uint64_t magic_number = 12379400392853802749ull; + auto nm = umul128(n, magic_number); - // If n is not divisible by 10^8, work with n itself. - const uint64_t mod_inv_5 = 0xcccccccccccccccd; - const uint64_t mod_inv_25 = mod_inv_5 * mod_inv_5; + // Is n is divisible by 10^8? + if ((nm.high() & ((1ull << (90 - 64)) - 1)) == 0 && nm.low() < magic_number) { + // If yes, work with the quotient. + auto n32 = static_cast(nm.high() >> (90 - 64)); - int s = 0; + const uint32_t mod_inv_5 = 0xcccccccd; + const uint32_t mod_inv_25 = mod_inv_5 * mod_inv_5; + + int s = 8; while (true) { - auto q = rotr(n * mod_inv_25, 2); - if (q > max_value() / 100) break; - n = q; - s += 2; + auto q = rotr(n32 * mod_inv_25, 2); + if (q > max_value() / 100) break; + n32 = q; + s += 2; } - auto q = rotr(n * mod_inv_5, 1); - if (q <= max_value() / 10) { - n = q; - s |= 1; + auto q = rotr(n32 * mod_inv_5, 1); + if (q <= max_value() / 10) { + n32 = q; + s |= 1; } + n = n32; return s; + } + + // If n is not divisible by 10^8, work with n itself. + const uint64_t mod_inv_5 = 0xcccccccccccccccd; + const uint64_t mod_inv_25 = mod_inv_5 * mod_inv_5; + + int s = 0; + while (true) { + auto q = rotr(n * mod_inv_25, 2); + if (q > max_value() / 100) break; + n = q; + s += 2; + } + auto q = rotr(n * mod_inv_5, 1); + if (q <= max_value() / 10) { + n = q; + s |= 1; + } + + return s; } // The main algorithm for shorter interval case -template +template FMT_INLINE decimal_fp shorter_interval_case(int exponent) noexcept { - decimal_fp ret_value; - // Compute k and beta - const int minus_k = floor_log10_pow2_minus_log10_4_over_3(exponent); - const int beta = exponent + floor_log2_pow10(-minus_k); - - // Compute xi and zi - using cache_entry_type = typename cache_accessor::cache_entry_type; - const cache_entry_type cache = cache_accessor::get_cached_power(-minus_k); - - auto xi = cache_accessor::compute_left_endpoint_for_shorter_interval_case( - cache, beta); - auto zi = cache_accessor::compute_right_endpoint_for_shorter_interval_case( - cache, beta); - - // If the left endpoint is not an integer, increase it - if (!is_left_endpoint_integer_shorter_interval(exponent)) ++xi; - - // Try bigger divisor - ret_value.significand = zi / 10; - - // If succeed, remove trailing zeros if necessary and return - if (ret_value.significand * 10 >= xi) { - ret_value.exponent = minus_k + 1; - ret_value.exponent += remove_trailing_zeros(ret_value.significand); - return ret_value; - } + decimal_fp ret_value; + // Compute k and beta + const int minus_k = floor_log10_pow2_minus_log10_4_over_3(exponent); + const int beta = exponent + floor_log2_pow10(-minus_k); - // Otherwise, compute the round-up of y - ret_value.significand = - cache_accessor::compute_round_up_for_shorter_interval_case(cache, - beta); - ret_value.exponent = minus_k; - - // When tie occurs, choose one of them according to the rule - if (exponent >= float_info::shorter_interval_tie_lower_threshold && - exponent <= float_info::shorter_interval_tie_upper_threshold) { - ret_value.significand = ret_value.significand % 2 == 0 ? ret_value.significand : ret_value.significand - 1; - } else if (ret_value.significand < xi) { - ++ret_value.significand; - } - return ret_value; -} + // Compute xi and zi + using cache_entry_type = typename cache_accessor::cache_entry_type; + const cache_entry_type cache = cache_accessor::get_cached_power(-minus_k); -template -decimal_fp to_decimal(T x) noexcept { - // Step 1: integer promotion & Schubfach multiplier calculation. + auto xi = cache_accessor::compute_left_endpoint_for_shorter_interval_case( + cache, beta); + auto zi = cache_accessor::compute_right_endpoint_for_shorter_interval_case( + cache, beta); - using carrier_uint = typename float_info::carrier_uint; - using cache_entry_type = typename cache_accessor::cache_entry_type; - auto br = bit_cast(x); + // If the left endpoint is not an integer, increase it + if (!is_left_endpoint_integer_shorter_interval(exponent)) ++xi; - // Extract significand bits and exponent bits. - const carrier_uint significand_mask = - (static_cast(1) << num_significand_bits()) - 1; - carrier_uint significand = (br & significand_mask); - int exponent = - static_cast((br & exponent_mask()) >> num_significand_bits()); + // Try bigger divisor + ret_value.significand = zi / 10; - if (exponent != 0) { // Check if normal. - exponent -= exponent_bias() + num_significand_bits(); - - // Shorter interval case; proceed like Schubfach. - // In fact, when exponent == 1 and significand == 0, the interval is - // regular. However, it can be shown that the end-results are anyway same. - if (significand == 0) return shorter_interval_case(exponent); + // If succeed, remove trailing zeros if necessary and return + if (ret_value.significand * 10 >= xi) { + ret_value.exponent = minus_k + 1; + ret_value.exponent += remove_trailing_zeros(ret_value.significand); + return ret_value; + } + + // Otherwise, compute the round-up of y + ret_value.significand = + cache_accessor::compute_round_up_for_shorter_interval_case(cache, + beta); + ret_value.exponent = minus_k; + + // When tie occurs, choose one of them according to the rule + if (exponent >= float_info::shorter_interval_tie_lower_threshold && + exponent <= float_info::shorter_interval_tie_upper_threshold) { + ret_value.significand = ret_value.significand % 2 == 0 + ? ret_value.significand + : ret_value.significand - 1; + } else if (ret_value.significand < xi) { + ++ret_value.significand; + } + return ret_value; +} - significand |= (static_cast(1) << num_significand_bits()); - } else { - // Subnormal case; the interval is always regular. - if (significand == 0) return {0, 0}; - exponent = - std::numeric_limits::min_exponent - num_significand_bits() - 1; +template decimal_fp to_decimal(T x) noexcept { + // Step 1: integer promotion & Schubfach multiplier calculation. + + using carrier_uint = typename float_info::carrier_uint; + using cache_entry_type = typename cache_accessor::cache_entry_type; + auto br = bit_cast(x); + + // Extract significand bits and exponent bits. + const carrier_uint significand_mask = + (static_cast(1) << num_significand_bits()) - 1; + carrier_uint significand = (br & significand_mask); + int exponent = + static_cast((br & exponent_mask()) >> num_significand_bits()); + + if (exponent != 0) { // Check if normal. + exponent -= exponent_bias() + num_significand_bits(); + + // Shorter interval case; proceed like Schubfach. + // In fact, when exponent == 1 and significand == 0, the interval is + // regular. However, it can be shown that the end-results are anyway same. + if (significand == 0) return shorter_interval_case(exponent); + + significand |= (static_cast(1) << num_significand_bits()); + } else { + // Subnormal case; the interval is always regular. + if (significand == 0) return {0, 0}; + exponent = + std::numeric_limits::min_exponent - num_significand_bits() - 1; + } + + const bool include_left_endpoint = (significand % 2 == 0); + const bool include_right_endpoint = include_left_endpoint; + + // Compute k and beta. + const int minus_k = floor_log10_pow2(exponent) - float_info::kappa; + const cache_entry_type cache = cache_accessor::get_cached_power(-minus_k); + const int beta = exponent + floor_log2_pow10(-minus_k); + + // Compute zi and deltai. + // 10^kappa <= deltai < 10^(kappa + 1) + const uint32_t deltai = cache_accessor::compute_delta(cache, beta); + const carrier_uint two_fc = significand << 1; + + // For the case of binary32, the result of integer check is not correct for + // 29711844 * 2^-82 + // = 6.1442653300000000008655037797566933477355632930994033813476... * 10^-18 + // and 29711844 * 2^-81 + // = 1.2288530660000000001731007559513386695471126586198806762695... * 10^-17, + // and they are the unique counterexamples. However, since 29711844 is even, + // this does not cause any problem for the endpoints calculations; it can only + // cause a problem when we need to perform integer check for the center. + // Fortunately, with these inputs, that branch is never executed, so we are + // fine. + const typename cache_accessor::compute_mul_result z_mul = + cache_accessor::compute_mul((two_fc | 1) << beta, cache); + + // Step 2: Try larger divisor; remove trailing zeros if necessary. + + // Using an upper bound on zi, we might be able to optimize the division + // better than the compiler; we are computing zi / big_divisor here. + decimal_fp ret_value; + ret_value.significand = divide_by_10_to_kappa_plus_1(z_mul.result); + uint32_t r = static_cast(z_mul.result - float_info::big_divisor * + ret_value.significand); + + if (r < deltai) { + // Exclude the right endpoint if necessary. + if (r == 0 && (z_mul.is_integer & !include_right_endpoint)) { + --ret_value.significand; + r = float_info::big_divisor; + goto small_divisor_case_label; } + } else if (r > deltai) { + goto small_divisor_case_label; + } else { + // r == deltai; compare fractional parts. + const typename cache_accessor::compute_mul_parity_result x_mul = + cache_accessor::compute_mul_parity(two_fc - 1, cache, beta); - const bool include_left_endpoint = (significand % 2 == 0); - const bool include_right_endpoint = include_left_endpoint; - - // Compute k and beta. - const int minus_k = floor_log10_pow2(exponent) - float_info::kappa; - const cache_entry_type cache = cache_accessor::get_cached_power(-minus_k); - const int beta = exponent + floor_log2_pow10(-minus_k); - - // Compute zi and deltai. - // 10^kappa <= deltai < 10^(kappa + 1) - const uint32_t deltai = cache_accessor::compute_delta(cache, beta); - const carrier_uint two_fc = significand << 1; - - // For the case of binary32, the result of integer check is not correct for - // 29711844 * 2^-82 - // = 6.1442653300000000008655037797566933477355632930994033813476... * 10^-18 - // and 29711844 * 2^-81 - // = 1.2288530660000000001731007559513386695471126586198806762695... * 10^-17, - // and they are the unique counterexamples. However, since 29711844 is even, - // this does not cause any problem for the endpoints calculations; it can only - // cause a problem when we need to perform integer check for the center. - // Fortunately, with these inputs, that branch is never executed, so we are - // fine. - const typename cache_accessor::compute_mul_result z_mul = - cache_accessor::compute_mul((two_fc | 1) << beta, cache); - - // Step 2: Try larger divisor; remove trailing zeros if necessary. - - // Using an upper bound on zi, we might be able to optimize the division - // better than the compiler; we are computing zi / big_divisor here. - decimal_fp ret_value; - ret_value.significand = divide_by_10_to_kappa_plus_1(z_mul.result); - uint32_t r = static_cast(z_mul.result - float_info::big_divisor * - ret_value.significand); - - if (r < deltai) { - // Exclude the right endpoint if necessary. - if (r == 0 && (z_mul.is_integer & !include_right_endpoint)) { - --ret_value.significand; - r = float_info::big_divisor; - goto small_divisor_case_label; - } - } else if (r > deltai) { - goto small_divisor_case_label; - } else { - // r == deltai; compare fractional parts. - const typename cache_accessor::compute_mul_parity_result x_mul = - cache_accessor::compute_mul_parity(two_fc - 1, cache, beta); - - if (!(x_mul.parity | (x_mul.is_integer & include_left_endpoint))) - goto small_divisor_case_label; - } - ret_value.exponent = minus_k + float_info::kappa + 1; + if (!(x_mul.parity | (x_mul.is_integer & include_left_endpoint))) + goto small_divisor_case_label; + } + ret_value.exponent = minus_k + float_info::kappa + 1; - // We may need to remove trailing zeros. - ret_value.exponent += remove_trailing_zeros(ret_value.significand); - return ret_value; + // We may need to remove trailing zeros. + ret_value.exponent += remove_trailing_zeros(ret_value.significand); + return ret_value; - // Step 3: Find the significand with the smaller divisor. + // Step 3: Find the significand with the smaller divisor. small_divisor_case_label: - ret_value.significand *= 10; - ret_value.exponent = minus_k + float_info::kappa; - - uint32_t dist = r - (deltai / 2) + (float_info::small_divisor / 2); - const bool approx_y_parity = - ((dist ^ (float_info::small_divisor / 2)) & 1) != 0; - - // Is dist divisible by 10^kappa? - const bool divisible_by_small_divisor = - check_divisibility_and_divide_by_pow10::kappa>(dist); - - // Add dist / 10^kappa to the significand. - ret_value.significand += dist; - - if (!divisible_by_small_divisor) return ret_value; - - // Check z^(f) >= epsilon^(f). - // We have either yi == zi - epsiloni or yi == (zi - epsiloni) - 1, - // where yi == zi - epsiloni if and only if z^(f) >= epsilon^(f). - // Since there are only 2 possibilities, we only need to care about the - // parity. Also, zi and r should have the same parity since the divisor - // is an even number. - const auto y_mul = cache_accessor::compute_mul_parity(two_fc, cache, beta); - - // If z^(f) >= epsilon^(f), we might have a tie when z^(f) == epsilon^(f), - // or equivalently, when y is an integer. - if (y_mul.parity != approx_y_parity) - --ret_value.significand; - else if (y_mul.is_integer & (ret_value.significand % 2 != 0)) - --ret_value.significand; - return ret_value; + ret_value.significand *= 10; + ret_value.exponent = minus_k + float_info::kappa; + + uint32_t dist = r - (deltai / 2) + (float_info::small_divisor / 2); + const bool approx_y_parity = + ((dist ^ (float_info::small_divisor / 2)) & 1) != 0; + + // Is dist divisible by 10^kappa? + const bool divisible_by_small_divisor = + check_divisibility_and_divide_by_pow10::kappa>(dist); + + // Add dist / 10^kappa to the significand. + ret_value.significand += dist; + + if (!divisible_by_small_divisor) return ret_value; + + // Check z^(f) >= epsilon^(f). + // We have either yi == zi - epsiloni or yi == (zi - epsiloni) - 1, + // where yi == zi - epsiloni if and only if z^(f) >= epsilon^(f). + // Since there are only 2 possibilities, we only need to care about the + // parity. Also, zi and r should have the same parity since the divisor + // is an even number. + const auto y_mul = cache_accessor::compute_mul_parity(two_fc, cache, beta); + + // If z^(f) >= epsilon^(f), we might have a tie when z^(f) == epsilon^(f), + // or equivalently, when y is an integer. + if (y_mul.parity != approx_y_parity) + --ret_value.significand; + else if (y_mul.is_integer & (ret_value.significand % 2 != 0)) + --ret_value.significand; + return ret_value; } } // namespace dragonbox #ifdef _MSC_VER -FMT_FUNC auto fmt_snprintf(char *buf, size_t size, const char *fmt, ...) +FMT_FUNC auto fmt_snprintf(char* buf, size_t size, const char* fmt, ...) -> int { - auto args = va_list(); - va_start(args, fmt); - int result = vsnprintf_s(buf, size, _TRUNCATE, fmt, args); - va_end(args); - return result; + auto args = va_list(); + va_start(args, fmt); + int result = vsnprintf_s(buf, size, _TRUNCATE, fmt, args); + va_end(args); + return result; } #endif } // namespace detail -template<> -struct formatter { - FMT_CONSTEXPR auto parse(format_parse_context &ctx) - -> format_parse_context::iterator { - return ctx.begin(); - } - - template - auto format(const detail::bigint &n, FormatContext &ctx) const -> - typename FormatContext::iterator { - 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, FMT_STRING("{:x}"), value); - first = false; - continue; - } - out = format_to(out, FMT_STRING("{:08x}"), value); - } - if (n.exp_ > 0) - out = format_to(out, FMT_STRING("p{}"), - n.exp_ * detail::bigint::bigit_bits); - return out; +template <> struct formatter { + FMT_CONSTEXPR auto parse(format_parse_context& ctx) + -> format_parse_context::iterator { + return ctx.begin(); + } + + template + auto format(const detail::bigint& n, FormatContext& ctx) const -> + typename FormatContext::iterator { + 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, FMT_STRING("{:x}"), value); + first = false; + continue; + } + out = format_to(out, FMT_STRING("{:08x}"), value); } + if (n.exp_ > 0) + out = format_to(out, FMT_STRING("p{}"), + n.exp_ * detail::bigint::bigit_bits); + return out; + } }; FMT_FUNC detail::utf8_to_utf16::utf8_to_utf16(string_view s) { - for_each_codepoint(s, [this](uint32_t cp, string_view) { - if (cp == invalid_code_point) 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 true; - }); - buffer_.push_back(0); + for_each_codepoint(s, [this](uint32_t cp, string_view) { + if (cp == invalid_code_point) 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 true; + }); + buffer_.push_back(0); } -FMT_FUNC void format_system_error(detail::buffer &out, int error_code, - const char *message) noexcept { - FMT_TRY { - auto ec = std::error_code(error_code, std::generic_category()); - write(std::back_inserter(out), std::system_error(ec, message).what()); - return; - } - FMT_CATCH(...) { - } - format_error_code(out, error_code, message); +FMT_FUNC void format_system_error(detail::buffer& out, int error_code, + const char* message) noexcept { + FMT_TRY { + auto ec = std::error_code(error_code, std::generic_category()); + write(std::back_inserter(out), std::system_error(ec, message).what()); + return; + } + FMT_CATCH(...) {} + format_error_code(out, error_code, message); } FMT_FUNC void report_system_error(int error_code, - const char *message) noexcept { - report_error(format_system_error, error_code, message); + const char* message) noexcept { + report_error(format_system_error, error_code, message); } FMT_FUNC std::string vformat(string_view fmt, format_args args) { - // Don't optimize the "{}" case to keep the binary size small and because it - // can be better optimized in fmt::format anyway. - auto buffer = memory_buffer(); - detail::vformat_to(buffer, fmt, args); - return to_string(buffer); + // Don't optimize the "{}" case to keep the binary size small and because it + // can be better optimized in fmt::format anyway. + auto buffer = memory_buffer(); + detail::vformat_to(buffer, fmt, args); + return to_string(buffer); } namespace detail { #ifdef _WIN32 using dword = conditional_t; extern "C" __declspec(dllimport) int __stdcall WriteConsoleW( // - void *, const void *, dword, dword *, void *); - -FMT_FUNC bool write_console(std::FILE *f, string_view text) { - auto fd = _fileno(f); - if (_isatty(fd)) { - detail::utf8_to_utf16 u16(string_view(text.data(), text.size())); - auto written = detail::dword(); - if (detail::WriteConsoleW(reinterpret_cast(_get_osfhandle(fd)), - u16.c_str(), static_cast(u16.size()), - &written, nullptr)) { - return true; - } + void*, const void*, dword, dword*, void*); + +FMT_FUNC bool write_console(std::FILE* f, string_view text) { + auto fd = _fileno(f); + if (_isatty(fd)) { + detail::utf8_to_utf16 u16(string_view(text.data(), text.size())); + auto written = detail::dword(); + if (detail::WriteConsoleW(reinterpret_cast(_get_osfhandle(fd)), + u16.c_str(), static_cast(u16.size()), + &written, nullptr)) { + return true; } - // We return false if the file descriptor was not TTY, or it was but - // SetConsoleW failed which can happen if the output has been redirected to - // NUL. In both cases when we return false, we should attempt to do regular - // write via fwrite or std::ostream::write. - return false; + } + // We return false if the file descriptor was not TTY, or it was but + // SetConsoleW failed which can happen if the output has been redirected to + // NUL. In both cases when we return false, we should attempt to do regular + // write via fwrite or std::ostream::write. + return false; } #endif -FMT_FUNC void print(std::FILE *f, string_view text) { +FMT_FUNC void print(std::FILE* f, string_view text) { #ifdef _WIN32 - if (write_console(f, text)) return; + if (write_console(f, text)) return; #endif - detail::fwrite_fully(text.data(), 1, text.size(), f); + detail::fwrite_fully(text.data(), 1, text.size(), f); } } // namespace detail -FMT_FUNC void vprint(std::FILE *f, string_view format_str, format_args args) { - memory_buffer buffer; - detail::vformat_to(buffer, format_str, args); - detail::print(f, {buffer.data(), buffer.size()}); +FMT_FUNC void vprint(std::FILE* f, string_view format_str, format_args args) { + memory_buffer buffer; + detail::vformat_to(buffer, format_str, args); + detail::print(f, {buffer.data(), buffer.size()}); } #ifdef _WIN32 // Print assuming legacy (non-Unicode) encoding. -FMT_FUNC void detail::vprint_mojibake(std::FILE *f, string_view format_str, +FMT_FUNC void detail::vprint_mojibake(std::FILE* f, string_view format_str, format_args args) { - memory_buffer buffer; - detail::vformat_to(buffer, format_str, - basic_format_args>(args)); - fwrite_fully(buffer.data(), 1, buffer.size(), f); + memory_buffer buffer; + detail::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); + vprint(stdout, format_str, args); } namespace detail { struct singleton { - unsigned char upper; - unsigned char lower_count; + unsigned char upper; + unsigned char lower_count; }; -inline auto is_printable(uint16_t x, const singleton *singletons, +inline auto is_printable(uint16_t x, const singleton* singletons, size_t singletons_size, - const unsigned char *singleton_lowers, - const unsigned char *normal, size_t normal_size) + const unsigned char* singleton_lowers, + const unsigned char* normal, size_t normal_size) -> bool { - auto upper = x >> 8; - auto lower_start = 0; - for (size_t i = 0; i < singletons_size; ++i) { - auto s = singletons[i]; - auto lower_end = lower_start + s.lower_count; - if (upper < s.upper) break; - if (upper == s.upper) { - for (auto j = lower_start; j < lower_end; ++j) { - if (singleton_lowers[j] == (x & 0xff)) return false; - } - } - lower_start = lower_end; + auto upper = x >> 8; + auto lower_start = 0; + for (size_t i = 0; i < singletons_size; ++i) { + auto s = singletons[i]; + auto lower_end = lower_start + s.lower_count; + if (upper < s.upper) break; + if (upper == s.upper) { + for (auto j = lower_start; j < lower_end; ++j) { + if (singleton_lowers[j] == (x & 0xff)) return false; + } } - - auto xsigned = static_cast(x); - auto current = true; - for (size_t i = 0; i < normal_size; ++i) { - auto v = static_cast(normal[i]); - auto len = (v & 0x80) != 0 ? (v & 0x7f) << 8 | normal[++i] : v; - xsigned -= len; - if (xsigned < 0) break; - current = !current; - } - return current; + lower_start = lower_end; + } + + auto xsigned = static_cast(x); + auto current = true; + for (size_t i = 0; i < normal_size; ++i) { + auto v = static_cast(normal[i]); + auto len = (v & 0x80) != 0 ? (v & 0x7f) << 8 | normal[++i] : v; + xsigned -= len; + if (xsigned < 0) break; + current = !current; + } + return current; } // This code is generated by support/printable.py. FMT_FUNC auto is_printable(uint32_t cp) -> bool { - static constexpr singleton singletons0[] = { - {0x00, 1}, - {0x03, 5}, - {0x05, 6}, - {0x06, 3}, - {0x07, 6}, - {0x08, 8}, - {0x09, 17}, - {0x0a, 28}, - {0x0b, 25}, - {0x0c, 20}, - {0x0d, 16}, - {0x0e, 13}, - {0x0f, 4}, - {0x10, 3}, - {0x12, 18}, - {0x13, 9}, - {0x16, 1}, - {0x17, 5}, - {0x18, 2}, - {0x19, 3}, - {0x1a, 7}, - {0x1c, 2}, - {0x1d, 1}, - {0x1f, 22}, - {0x20, 3}, - {0x2b, 3}, - {0x2c, 2}, - {0x2d, 11}, - {0x2e, 1}, - {0x30, 3}, - {0x31, 2}, - {0x32, 1}, - {0xa7, 2}, - {0xa9, 2}, - {0xaa, 4}, - {0xab, 8}, - {0xfa, 2}, - {0xfb, 5}, - {0xfd, 4}, - {0xfe, 3}, - {0xff, 9}, - }; - static constexpr unsigned char singletons0_lower[] = { - 0xad, - 0x78, - 0x79, - 0x8b, - 0x8d, - 0xa2, - 0x30, - 0x57, - 0x58, - 0x8b, - 0x8c, - 0x90, - 0x1c, - 0x1d, - 0xdd, - 0x0e, - 0x0f, - 0x4b, - 0x4c, - 0xfb, - 0xfc, - 0x2e, - 0x2f, - 0x3f, - 0x5c, - 0x5d, - 0x5f, - 0xb5, - 0xe2, - 0x84, - 0x8d, - 0x8e, - 0x91, - 0x92, - 0xa9, - 0xb1, - 0xba, - 0xbb, - 0xc5, - 0xc6, - 0xc9, - 0xca, - 0xde, - 0xe4, - 0xe5, - 0xff, - 0x00, - 0x04, - 0x11, - 0x12, - 0x29, - 0x31, - 0x34, - 0x37, - 0x3a, - 0x3b, - 0x3d, - 0x49, - 0x4a, - 0x5d, - 0x84, - 0x8e, - 0x92, - 0xa9, - 0xb1, - 0xb4, - 0xba, - 0xbb, - 0xc6, - 0xca, - 0xce, - 0xcf, - 0xe4, - 0xe5, - 0x00, - 0x04, - 0x0d, - 0x0e, - 0x11, - 0x12, - 0x29, - 0x31, - 0x34, - 0x3a, - 0x3b, - 0x45, - 0x46, - 0x49, - 0x4a, - 0x5e, - 0x64, - 0x65, - 0x84, - 0x91, - 0x9b, - 0x9d, - 0xc9, - 0xce, - 0xcf, - 0x0d, - 0x11, - 0x29, - 0x45, - 0x49, - 0x57, - 0x64, - 0x65, - 0x8d, - 0x91, - 0xa9, - 0xb4, - 0xba, - 0xbb, - 0xc5, - 0xc9, - 0xdf, - 0xe4, - 0xe5, - 0xf0, - 0x0d, - 0x11, - 0x45, - 0x49, - 0x64, - 0x65, - 0x80, - 0x84, - 0xb2, - 0xbc, - 0xbe, - 0xbf, - 0xd5, - 0xd7, - 0xf0, - 0xf1, - 0x83, - 0x85, - 0x8b, - 0xa4, - 0xa6, - 0xbe, - 0xbf, - 0xc5, - 0xc7, - 0xce, - 0xcf, - 0xda, - 0xdb, - 0x48, - 0x98, - 0xbd, - 0xcd, - 0xc6, - 0xce, - 0xcf, - 0x49, - 0x4e, - 0x4f, - 0x57, - 0x59, - 0x5e, - 0x5f, - 0x89, - 0x8e, - 0x8f, - 0xb1, - 0xb6, - 0xb7, - 0xbf, - 0xc1, - 0xc6, - 0xc7, - 0xd7, - 0x11, - 0x16, - 0x17, - 0x5b, - 0x5c, - 0xf6, - 0xf7, - 0xfe, - 0xff, - 0x80, - 0x0d, - 0x6d, - 0x71, - 0xde, - 0xdf, - 0x0e, - 0x0f, - 0x1f, - 0x6e, - 0x6f, - 0x1c, - 0x1d, - 0x5f, - 0x7d, - 0x7e, - 0xae, - 0xaf, - 0xbb, - 0xbc, - 0xfa, - 0x16, - 0x17, - 0x1e, - 0x1f, - 0x46, - 0x47, - 0x4e, - 0x4f, - 0x58, - 0x5a, - 0x5c, - 0x5e, - 0x7e, - 0x7f, - 0xb5, - 0xc5, - 0xd4, - 0xd5, - 0xdc, - 0xf0, - 0xf1, - 0xf5, - 0x72, - 0x73, - 0x8f, - 0x74, - 0x75, - 0x96, - 0x2f, - 0x5f, - 0x26, - 0x2e, - 0x2f, - 0xa7, - 0xaf, - 0xb7, - 0xbf, - 0xc7, - 0xcf, - 0xd7, - 0xdf, - 0x9a, - 0x40, - 0x97, - 0x98, - 0x30, - 0x8f, - 0x1f, - 0xc0, - 0xc1, - 0xce, - 0xff, - 0x4e, - 0x4f, - 0x5a, - 0x5b, - 0x07, - 0x08, - 0x0f, - 0x10, - 0x27, - 0x2f, - 0xee, - 0xef, - 0x6e, - 0x6f, - 0x37, - 0x3d, - 0x3f, - 0x42, - 0x45, - 0x90, - 0x91, - 0xfe, - 0xff, - 0x53, - 0x67, - 0x75, - 0xc8, - 0xc9, - 0xd0, - 0xd1, - 0xd8, - 0xd9, - 0xe7, - 0xfe, - 0xff, - }; - static constexpr singleton singletons1[] = { - {0x00, 6}, - {0x01, 1}, - {0x03, 1}, - {0x04, 2}, - {0x08, 8}, - {0x09, 2}, - {0x0a, 5}, - {0x0b, 2}, - {0x0e, 4}, - {0x10, 1}, - {0x11, 2}, - {0x12, 5}, - {0x13, 17}, - {0x14, 1}, - {0x15, 2}, - {0x17, 2}, - {0x19, 13}, - {0x1c, 5}, - {0x1d, 8}, - {0x24, 1}, - {0x6a, 3}, - {0x6b, 2}, - {0xbc, 2}, - {0xd1, 2}, - {0xd4, 12}, - {0xd5, 9}, - {0xd6, 2}, - {0xd7, 2}, - {0xda, 1}, - {0xe0, 5}, - {0xe1, 2}, - {0xe8, 2}, - {0xee, 32}, - {0xf0, 4}, - {0xf8, 2}, - {0xf9, 2}, - {0xfa, 2}, - {0xfb, 1}, - }; - static constexpr unsigned char singletons1_lower[] = { - 0x0c, - 0x27, - 0x3b, - 0x3e, - 0x4e, - 0x4f, - 0x8f, - 0x9e, - 0x9e, - 0x9f, - 0x06, - 0x07, - 0x09, - 0x36, - 0x3d, - 0x3e, - 0x56, - 0xf3, - 0xd0, - 0xd1, - 0x04, - 0x14, - 0x18, - 0x36, - 0x37, - 0x56, - 0x57, - 0x7f, - 0xaa, - 0xae, - 0xaf, - 0xbd, - 0x35, - 0xe0, - 0x12, - 0x87, - 0x89, - 0x8e, - 0x9e, - 0x04, - 0x0d, - 0x0e, - 0x11, - 0x12, - 0x29, - 0x31, - 0x34, - 0x3a, - 0x45, - 0x46, - 0x49, - 0x4a, - 0x4e, - 0x4f, - 0x64, - 0x65, - 0x5c, - 0xb6, - 0xb7, - 0x1b, - 0x1c, - 0x07, - 0x08, - 0x0a, - 0x0b, - 0x14, - 0x17, - 0x36, - 0x39, - 0x3a, - 0xa8, - 0xa9, - 0xd8, - 0xd9, - 0x09, - 0x37, - 0x90, - 0x91, - 0xa8, - 0x07, - 0x0a, - 0x3b, - 0x3e, - 0x66, - 0x69, - 0x8f, - 0x92, - 0x6f, - 0x5f, - 0xee, - 0xef, - 0x5a, - 0x62, - 0x9a, - 0x9b, - 0x27, - 0x28, - 0x55, - 0x9d, - 0xa0, - 0xa1, - 0xa3, - 0xa4, - 0xa7, - 0xa8, - 0xad, - 0xba, - 0xbc, - 0xc4, - 0x06, - 0x0b, - 0x0c, - 0x15, - 0x1d, - 0x3a, - 0x3f, - 0x45, - 0x51, - 0xa6, - 0xa7, - 0xcc, - 0xcd, - 0xa0, - 0x07, - 0x19, - 0x1a, - 0x22, - 0x25, - 0x3e, - 0x3f, - 0xc5, - 0xc6, - 0x04, - 0x20, - 0x23, - 0x25, - 0x26, - 0x28, - 0x33, - 0x38, - 0x3a, - 0x48, - 0x4a, - 0x4c, - 0x50, - 0x53, - 0x55, - 0x56, - 0x58, - 0x5a, - 0x5c, - 0x5e, - 0x60, - 0x63, - 0x65, - 0x66, - 0x6b, - 0x73, - 0x78, - 0x7d, - 0x7f, - 0x8a, - 0xa4, - 0xaa, - 0xaf, - 0xb0, - 0xc0, - 0xd0, - 0xae, - 0xaf, - 0x79, - 0xcc, - 0x6e, - 0x6f, - 0x93, - }; - static constexpr unsigned char normal0[] = { - 0x00, - 0x20, - 0x5f, - 0x22, - 0x82, - 0xdf, - 0x04, - 0x82, - 0x44, - 0x08, - 0x1b, - 0x04, - 0x06, - 0x11, - 0x81, - 0xac, - 0x0e, - 0x80, - 0xab, - 0x35, - 0x28, - 0x0b, - 0x80, - 0xe0, - 0x03, - 0x19, - 0x08, - 0x01, - 0x04, - 0x2f, - 0x04, - 0x34, - 0x04, - 0x07, - 0x03, - 0x01, - 0x07, - 0x06, - 0x07, - 0x11, - 0x0a, - 0x50, - 0x0f, - 0x12, - 0x07, - 0x55, - 0x07, - 0x03, - 0x04, - 0x1c, - 0x0a, - 0x09, - 0x03, - 0x08, - 0x03, - 0x07, - 0x03, - 0x02, - 0x03, - 0x03, - 0x03, - 0x0c, - 0x04, - 0x05, - 0x03, - 0x0b, - 0x06, - 0x01, - 0x0e, - 0x15, - 0x05, - 0x3a, - 0x03, - 0x11, - 0x07, - 0x06, - 0x05, - 0x10, - 0x07, - 0x57, - 0x07, - 0x02, - 0x07, - 0x15, - 0x0d, - 0x50, - 0x04, - 0x43, - 0x03, - 0x2d, - 0x03, - 0x01, - 0x04, - 0x11, - 0x06, - 0x0f, - 0x0c, - 0x3a, - 0x04, - 0x1d, - 0x25, - 0x5f, - 0x20, - 0x6d, - 0x04, - 0x6a, - 0x25, - 0x80, - 0xc8, - 0x05, - 0x82, - 0xb0, - 0x03, - 0x1a, - 0x06, - 0x82, - 0xfd, - 0x03, - 0x59, - 0x07, - 0x15, - 0x0b, - 0x17, - 0x09, - 0x14, - 0x0c, - 0x14, - 0x0c, - 0x6a, - 0x06, - 0x0a, - 0x06, - 0x1a, - 0x06, - 0x59, - 0x07, - 0x2b, - 0x05, - 0x46, - 0x0a, - 0x2c, - 0x04, - 0x0c, - 0x04, - 0x01, - 0x03, - 0x31, - 0x0b, - 0x2c, - 0x04, - 0x1a, - 0x06, - 0x0b, - 0x03, - 0x80, - 0xac, - 0x06, - 0x0a, - 0x06, - 0x21, - 0x3f, - 0x4c, - 0x04, - 0x2d, - 0x03, - 0x74, - 0x08, - 0x3c, - 0x03, - 0x0f, - 0x03, - 0x3c, - 0x07, - 0x38, - 0x08, - 0x2b, - 0x05, - 0x82, - 0xff, - 0x11, - 0x18, - 0x08, - 0x2f, - 0x11, - 0x2d, - 0x03, - 0x20, - 0x10, - 0x21, - 0x0f, - 0x80, - 0x8c, - 0x04, - 0x82, - 0x97, - 0x19, - 0x0b, - 0x15, - 0x88, - 0x94, - 0x05, - 0x2f, - 0x05, - 0x3b, - 0x07, - 0x02, - 0x0e, - 0x18, - 0x09, - 0x80, - 0xb3, - 0x2d, - 0x74, - 0x0c, - 0x80, - 0xd6, - 0x1a, - 0x0c, - 0x05, - 0x80, - 0xff, - 0x05, - 0x80, - 0xdf, - 0x0c, - 0xee, - 0x0d, - 0x03, - 0x84, - 0x8d, - 0x03, - 0x37, - 0x09, - 0x81, - 0x5c, - 0x14, - 0x80, - 0xb8, - 0x08, - 0x80, - 0xcb, - 0x2a, - 0x38, - 0x03, - 0x0a, - 0x06, - 0x38, - 0x08, - 0x46, - 0x08, - 0x0c, - 0x06, - 0x74, - 0x0b, - 0x1e, - 0x03, - 0x5a, - 0x04, - 0x59, - 0x09, - 0x80, - 0x83, - 0x18, - 0x1c, - 0x0a, - 0x16, - 0x09, - 0x4c, - 0x04, - 0x80, - 0x8a, - 0x06, - 0xab, - 0xa4, - 0x0c, - 0x17, - 0x04, - 0x31, - 0xa1, - 0x04, - 0x81, - 0xda, - 0x26, - 0x07, - 0x0c, - 0x05, - 0x05, - 0x80, - 0xa5, - 0x11, - 0x81, - 0x6d, - 0x10, - 0x78, - 0x28, - 0x2a, - 0x06, - 0x4c, - 0x04, - 0x80, - 0x8d, - 0x04, - 0x80, - 0xbe, - 0x03, - 0x1b, - 0x03, - 0x0f, - 0x0d, - }; - static constexpr unsigned char normal1[] = { - 0x5e, - 0x22, - 0x7b, - 0x05, - 0x03, - 0x04, - 0x2d, - 0x03, - 0x66, - 0x03, - 0x01, - 0x2f, - 0x2e, - 0x80, - 0x82, - 0x1d, - 0x03, - 0x31, - 0x0f, - 0x1c, - 0x04, - 0x24, - 0x09, - 0x1e, - 0x05, - 0x2b, - 0x05, - 0x44, - 0x04, - 0x0e, - 0x2a, - 0x80, - 0xaa, - 0x06, - 0x24, - 0x04, - 0x24, - 0x04, - 0x28, - 0x08, - 0x34, - 0x0b, - 0x01, - 0x80, - 0x90, - 0x81, - 0x37, - 0x09, - 0x16, - 0x0a, - 0x08, - 0x80, - 0x98, - 0x39, - 0x03, - 0x63, - 0x08, - 0x09, - 0x30, - 0x16, - 0x05, - 0x21, - 0x03, - 0x1b, - 0x05, - 0x01, - 0x40, - 0x38, - 0x04, - 0x4b, - 0x05, - 0x2f, - 0x04, - 0x0a, - 0x07, - 0x09, - 0x07, - 0x40, - 0x20, - 0x27, - 0x04, - 0x0c, - 0x09, - 0x36, - 0x03, - 0x3a, - 0x05, - 0x1a, - 0x07, - 0x04, - 0x0c, - 0x07, - 0x50, - 0x49, - 0x37, - 0x33, - 0x0d, - 0x33, - 0x07, - 0x2e, - 0x08, - 0x0a, - 0x81, - 0x26, - 0x52, - 0x4e, - 0x28, - 0x08, - 0x2a, - 0x56, - 0x1c, - 0x14, - 0x17, - 0x09, - 0x4e, - 0x04, - 0x1e, - 0x0f, - 0x43, - 0x0e, - 0x19, - 0x07, - 0x0a, - 0x06, - 0x48, - 0x08, - 0x27, - 0x09, - 0x75, - 0x0b, - 0x3f, - 0x41, - 0x2a, - 0x06, - 0x3b, - 0x05, - 0x0a, - 0x06, - 0x51, - 0x06, - 0x01, - 0x05, - 0x10, - 0x03, - 0x05, - 0x80, - 0x8b, - 0x62, - 0x1e, - 0x48, - 0x08, - 0x0a, - 0x80, - 0xa6, - 0x5e, - 0x22, - 0x45, - 0x0b, - 0x0a, - 0x06, - 0x0d, - 0x13, - 0x39, - 0x07, - 0x0a, - 0x36, - 0x2c, - 0x04, - 0x10, - 0x80, - 0xc0, - 0x3c, - 0x64, - 0x53, - 0x0c, - 0x48, - 0x09, - 0x0a, - 0x46, - 0x45, - 0x1b, - 0x48, - 0x08, - 0x53, - 0x1d, - 0x39, - 0x81, - 0x07, - 0x46, - 0x0a, - 0x1d, - 0x03, - 0x47, - 0x49, - 0x37, - 0x03, - 0x0e, - 0x08, - 0x0a, - 0x06, - 0x39, - 0x07, - 0x0a, - 0x81, - 0x36, - 0x19, - 0x80, - 0xb7, - 0x01, - 0x0f, - 0x32, - 0x0d, - 0x83, - 0x9b, - 0x66, - 0x75, - 0x0b, - 0x80, - 0xc4, - 0x8a, - 0xbc, - 0x84, - 0x2f, - 0x8f, - 0xd1, - 0x82, - 0x47, - 0xa1, - 0xb9, - 0x82, - 0x39, - 0x07, - 0x2a, - 0x04, - 0x02, - 0x60, - 0x26, - 0x0a, - 0x46, - 0x0a, - 0x28, - 0x05, - 0x13, - 0x82, - 0xb0, - 0x5b, - 0x65, - 0x4b, - 0x04, - 0x39, - 0x07, - 0x11, - 0x40, - 0x05, - 0x0b, - 0x02, - 0x0e, - 0x97, - 0xf8, - 0x08, - 0x84, - 0xd6, - 0x2a, - 0x09, - 0xa2, - 0xf7, - 0x81, - 0x1f, - 0x31, - 0x03, - 0x11, - 0x04, - 0x08, - 0x81, - 0x8c, - 0x89, - 0x04, - 0x6b, - 0x05, - 0x0d, - 0x03, - 0x09, - 0x07, - 0x10, - 0x93, - 0x60, - 0x80, - 0xf6, - 0x0a, - 0x73, - 0x08, - 0x6e, - 0x17, - 0x46, - 0x80, - 0x9a, - 0x14, - 0x0c, - 0x57, - 0x09, - 0x19, - 0x80, - 0x87, - 0x81, - 0x47, - 0x03, - 0x85, - 0x42, - 0x0f, - 0x15, - 0x85, - 0x50, - 0x2b, - 0x80, - 0xd5, - 0x2d, - 0x03, - 0x1a, - 0x04, - 0x02, - 0x81, - 0x70, - 0x3a, - 0x05, - 0x01, - 0x85, - 0x00, - 0x80, - 0xd7, - 0x29, - 0x4c, - 0x04, - 0x0a, - 0x04, - 0x02, - 0x83, - 0x11, - 0x44, - 0x4c, - 0x3d, - 0x80, - 0xc2, - 0x3c, - 0x06, - 0x01, - 0x04, - 0x55, - 0x05, - 0x1b, - 0x34, - 0x02, - 0x81, - 0x0e, - 0x2c, - 0x04, - 0x64, - 0x0c, - 0x56, - 0x0a, - 0x80, - 0xae, - 0x38, - 0x1d, - 0x0d, - 0x2c, - 0x04, - 0x09, - 0x07, - 0x02, - 0x0e, - 0x06, - 0x80, - 0x9a, - 0x83, - 0xd8, - 0x08, - 0x0d, - 0x03, - 0x0d, - 0x03, - 0x74, - 0x0c, - 0x59, - 0x07, - 0x0c, - 0x14, - 0x0c, - 0x04, - 0x38, - 0x08, - 0x0a, - 0x06, - 0x28, - 0x08, - 0x22, - 0x4e, - 0x81, - 0x54, - 0x0c, - 0x15, - 0x03, - 0x03, - 0x05, - 0x07, - 0x09, - 0x19, - 0x07, - 0x07, - 0x09, - 0x03, - 0x0d, - 0x07, - 0x29, - 0x80, - 0xcb, - 0x25, - 0x0a, - 0x84, - 0x06, - }; - auto lower = static_cast(cp); - if (cp < 0x10000) { - return is_printable(lower, singletons0, - sizeof(singletons0) / sizeof(*singletons0), - singletons0_lower, normal0, sizeof(normal0)); - } - if (cp < 0x20000) { - return is_printable(lower, singletons1, - sizeof(singletons1) / sizeof(*singletons1), - singletons1_lower, normal1, sizeof(normal1)); - } - if (0x2a6de <= cp && cp < 0x2a700) return false; - if (0x2b735 <= cp && cp < 0x2b740) return false; - if (0x2b81e <= cp && cp < 0x2b820) return false; - if (0x2cea2 <= cp && cp < 0x2ceb0) return false; - if (0x2ebe1 <= cp && cp < 0x2f800) return false; - if (0x2fa1e <= cp && cp < 0x30000) return false; - if (0x3134b <= cp && cp < 0xe0100) return false; - if (0xe01f0 <= cp && cp < 0x110000) return false; - return cp < 0x110000; + static constexpr singleton singletons0[] = { + {0x00, 1}, {0x03, 5}, {0x05, 6}, {0x06, 3}, {0x07, 6}, {0x08, 8}, + {0x09, 17}, {0x0a, 28}, {0x0b, 25}, {0x0c, 20}, {0x0d, 16}, {0x0e, 13}, + {0x0f, 4}, {0x10, 3}, {0x12, 18}, {0x13, 9}, {0x16, 1}, {0x17, 5}, + {0x18, 2}, {0x19, 3}, {0x1a, 7}, {0x1c, 2}, {0x1d, 1}, {0x1f, 22}, + {0x20, 3}, {0x2b, 3}, {0x2c, 2}, {0x2d, 11}, {0x2e, 1}, {0x30, 3}, + {0x31, 2}, {0x32, 1}, {0xa7, 2}, {0xa9, 2}, {0xaa, 4}, {0xab, 8}, + {0xfa, 2}, {0xfb, 5}, {0xfd, 4}, {0xfe, 3}, {0xff, 9}, + }; + static constexpr unsigned char singletons0_lower[] = { + 0xad, 0x78, 0x79, 0x8b, 0x8d, 0xa2, 0x30, 0x57, 0x58, 0x8b, 0x8c, 0x90, + 0x1c, 0x1d, 0xdd, 0x0e, 0x0f, 0x4b, 0x4c, 0xfb, 0xfc, 0x2e, 0x2f, 0x3f, + 0x5c, 0x5d, 0x5f, 0xb5, 0xe2, 0x84, 0x8d, 0x8e, 0x91, 0x92, 0xa9, 0xb1, + 0xba, 0xbb, 0xc5, 0xc6, 0xc9, 0xca, 0xde, 0xe4, 0xe5, 0xff, 0x00, 0x04, + 0x11, 0x12, 0x29, 0x31, 0x34, 0x37, 0x3a, 0x3b, 0x3d, 0x49, 0x4a, 0x5d, + 0x84, 0x8e, 0x92, 0xa9, 0xb1, 0xb4, 0xba, 0xbb, 0xc6, 0xca, 0xce, 0xcf, + 0xe4, 0xe5, 0x00, 0x04, 0x0d, 0x0e, 0x11, 0x12, 0x29, 0x31, 0x34, 0x3a, + 0x3b, 0x45, 0x46, 0x49, 0x4a, 0x5e, 0x64, 0x65, 0x84, 0x91, 0x9b, 0x9d, + 0xc9, 0xce, 0xcf, 0x0d, 0x11, 0x29, 0x45, 0x49, 0x57, 0x64, 0x65, 0x8d, + 0x91, 0xa9, 0xb4, 0xba, 0xbb, 0xc5, 0xc9, 0xdf, 0xe4, 0xe5, 0xf0, 0x0d, + 0x11, 0x45, 0x49, 0x64, 0x65, 0x80, 0x84, 0xb2, 0xbc, 0xbe, 0xbf, 0xd5, + 0xd7, 0xf0, 0xf1, 0x83, 0x85, 0x8b, 0xa4, 0xa6, 0xbe, 0xbf, 0xc5, 0xc7, + 0xce, 0xcf, 0xda, 0xdb, 0x48, 0x98, 0xbd, 0xcd, 0xc6, 0xce, 0xcf, 0x49, + 0x4e, 0x4f, 0x57, 0x59, 0x5e, 0x5f, 0x89, 0x8e, 0x8f, 0xb1, 0xb6, 0xb7, + 0xbf, 0xc1, 0xc6, 0xc7, 0xd7, 0x11, 0x16, 0x17, 0x5b, 0x5c, 0xf6, 0xf7, + 0xfe, 0xff, 0x80, 0x0d, 0x6d, 0x71, 0xde, 0xdf, 0x0e, 0x0f, 0x1f, 0x6e, + 0x6f, 0x1c, 0x1d, 0x5f, 0x7d, 0x7e, 0xae, 0xaf, 0xbb, 0xbc, 0xfa, 0x16, + 0x17, 0x1e, 0x1f, 0x46, 0x47, 0x4e, 0x4f, 0x58, 0x5a, 0x5c, 0x5e, 0x7e, + 0x7f, 0xb5, 0xc5, 0xd4, 0xd5, 0xdc, 0xf0, 0xf1, 0xf5, 0x72, 0x73, 0x8f, + 0x74, 0x75, 0x96, 0x2f, 0x5f, 0x26, 0x2e, 0x2f, 0xa7, 0xaf, 0xb7, 0xbf, + 0xc7, 0xcf, 0xd7, 0xdf, 0x9a, 0x40, 0x97, 0x98, 0x30, 0x8f, 0x1f, 0xc0, + 0xc1, 0xce, 0xff, 0x4e, 0x4f, 0x5a, 0x5b, 0x07, 0x08, 0x0f, 0x10, 0x27, + 0x2f, 0xee, 0xef, 0x6e, 0x6f, 0x37, 0x3d, 0x3f, 0x42, 0x45, 0x90, 0x91, + 0xfe, 0xff, 0x53, 0x67, 0x75, 0xc8, 0xc9, 0xd0, 0xd1, 0xd8, 0xd9, 0xe7, + 0xfe, 0xff, + }; + static constexpr singleton singletons1[] = { + {0x00, 6}, {0x01, 1}, {0x03, 1}, {0x04, 2}, {0x08, 8}, {0x09, 2}, + {0x0a, 5}, {0x0b, 2}, {0x0e, 4}, {0x10, 1}, {0x11, 2}, {0x12, 5}, + {0x13, 17}, {0x14, 1}, {0x15, 2}, {0x17, 2}, {0x19, 13}, {0x1c, 5}, + {0x1d, 8}, {0x24, 1}, {0x6a, 3}, {0x6b, 2}, {0xbc, 2}, {0xd1, 2}, + {0xd4, 12}, {0xd5, 9}, {0xd6, 2}, {0xd7, 2}, {0xda, 1}, {0xe0, 5}, + {0xe1, 2}, {0xe8, 2}, {0xee, 32}, {0xf0, 4}, {0xf8, 2}, {0xf9, 2}, + {0xfa, 2}, {0xfb, 1}, + }; + static constexpr unsigned char singletons1_lower[] = { + 0x0c, 0x27, 0x3b, 0x3e, 0x4e, 0x4f, 0x8f, 0x9e, 0x9e, 0x9f, 0x06, 0x07, + 0x09, 0x36, 0x3d, 0x3e, 0x56, 0xf3, 0xd0, 0xd1, 0x04, 0x14, 0x18, 0x36, + 0x37, 0x56, 0x57, 0x7f, 0xaa, 0xae, 0xaf, 0xbd, 0x35, 0xe0, 0x12, 0x87, + 0x89, 0x8e, 0x9e, 0x04, 0x0d, 0x0e, 0x11, 0x12, 0x29, 0x31, 0x34, 0x3a, + 0x45, 0x46, 0x49, 0x4a, 0x4e, 0x4f, 0x64, 0x65, 0x5c, 0xb6, 0xb7, 0x1b, + 0x1c, 0x07, 0x08, 0x0a, 0x0b, 0x14, 0x17, 0x36, 0x39, 0x3a, 0xa8, 0xa9, + 0xd8, 0xd9, 0x09, 0x37, 0x90, 0x91, 0xa8, 0x07, 0x0a, 0x3b, 0x3e, 0x66, + 0x69, 0x8f, 0x92, 0x6f, 0x5f, 0xee, 0xef, 0x5a, 0x62, 0x9a, 0x9b, 0x27, + 0x28, 0x55, 0x9d, 0xa0, 0xa1, 0xa3, 0xa4, 0xa7, 0xa8, 0xad, 0xba, 0xbc, + 0xc4, 0x06, 0x0b, 0x0c, 0x15, 0x1d, 0x3a, 0x3f, 0x45, 0x51, 0xa6, 0xa7, + 0xcc, 0xcd, 0xa0, 0x07, 0x19, 0x1a, 0x22, 0x25, 0x3e, 0x3f, 0xc5, 0xc6, + 0x04, 0x20, 0x23, 0x25, 0x26, 0x28, 0x33, 0x38, 0x3a, 0x48, 0x4a, 0x4c, + 0x50, 0x53, 0x55, 0x56, 0x58, 0x5a, 0x5c, 0x5e, 0x60, 0x63, 0x65, 0x66, + 0x6b, 0x73, 0x78, 0x7d, 0x7f, 0x8a, 0xa4, 0xaa, 0xaf, 0xb0, 0xc0, 0xd0, + 0xae, 0xaf, 0x79, 0xcc, 0x6e, 0x6f, 0x93, + }; + static constexpr unsigned char normal0[] = { + 0x00, 0x20, 0x5f, 0x22, 0x82, 0xdf, 0x04, 0x82, 0x44, 0x08, 0x1b, 0x04, + 0x06, 0x11, 0x81, 0xac, 0x0e, 0x80, 0xab, 0x35, 0x28, 0x0b, 0x80, 0xe0, + 0x03, 0x19, 0x08, 0x01, 0x04, 0x2f, 0x04, 0x34, 0x04, 0x07, 0x03, 0x01, + 0x07, 0x06, 0x07, 0x11, 0x0a, 0x50, 0x0f, 0x12, 0x07, 0x55, 0x07, 0x03, + 0x04, 0x1c, 0x0a, 0x09, 0x03, 0x08, 0x03, 0x07, 0x03, 0x02, 0x03, 0x03, + 0x03, 0x0c, 0x04, 0x05, 0x03, 0x0b, 0x06, 0x01, 0x0e, 0x15, 0x05, 0x3a, + 0x03, 0x11, 0x07, 0x06, 0x05, 0x10, 0x07, 0x57, 0x07, 0x02, 0x07, 0x15, + 0x0d, 0x50, 0x04, 0x43, 0x03, 0x2d, 0x03, 0x01, 0x04, 0x11, 0x06, 0x0f, + 0x0c, 0x3a, 0x04, 0x1d, 0x25, 0x5f, 0x20, 0x6d, 0x04, 0x6a, 0x25, 0x80, + 0xc8, 0x05, 0x82, 0xb0, 0x03, 0x1a, 0x06, 0x82, 0xfd, 0x03, 0x59, 0x07, + 0x15, 0x0b, 0x17, 0x09, 0x14, 0x0c, 0x14, 0x0c, 0x6a, 0x06, 0x0a, 0x06, + 0x1a, 0x06, 0x59, 0x07, 0x2b, 0x05, 0x46, 0x0a, 0x2c, 0x04, 0x0c, 0x04, + 0x01, 0x03, 0x31, 0x0b, 0x2c, 0x04, 0x1a, 0x06, 0x0b, 0x03, 0x80, 0xac, + 0x06, 0x0a, 0x06, 0x21, 0x3f, 0x4c, 0x04, 0x2d, 0x03, 0x74, 0x08, 0x3c, + 0x03, 0x0f, 0x03, 0x3c, 0x07, 0x38, 0x08, 0x2b, 0x05, 0x82, 0xff, 0x11, + 0x18, 0x08, 0x2f, 0x11, 0x2d, 0x03, 0x20, 0x10, 0x21, 0x0f, 0x80, 0x8c, + 0x04, 0x82, 0x97, 0x19, 0x0b, 0x15, 0x88, 0x94, 0x05, 0x2f, 0x05, 0x3b, + 0x07, 0x02, 0x0e, 0x18, 0x09, 0x80, 0xb3, 0x2d, 0x74, 0x0c, 0x80, 0xd6, + 0x1a, 0x0c, 0x05, 0x80, 0xff, 0x05, 0x80, 0xdf, 0x0c, 0xee, 0x0d, 0x03, + 0x84, 0x8d, 0x03, 0x37, 0x09, 0x81, 0x5c, 0x14, 0x80, 0xb8, 0x08, 0x80, + 0xcb, 0x2a, 0x38, 0x03, 0x0a, 0x06, 0x38, 0x08, 0x46, 0x08, 0x0c, 0x06, + 0x74, 0x0b, 0x1e, 0x03, 0x5a, 0x04, 0x59, 0x09, 0x80, 0x83, 0x18, 0x1c, + 0x0a, 0x16, 0x09, 0x4c, 0x04, 0x80, 0x8a, 0x06, 0xab, 0xa4, 0x0c, 0x17, + 0x04, 0x31, 0xa1, 0x04, 0x81, 0xda, 0x26, 0x07, 0x0c, 0x05, 0x05, 0x80, + 0xa5, 0x11, 0x81, 0x6d, 0x10, 0x78, 0x28, 0x2a, 0x06, 0x4c, 0x04, 0x80, + 0x8d, 0x04, 0x80, 0xbe, 0x03, 0x1b, 0x03, 0x0f, 0x0d, + }; + static constexpr unsigned char normal1[] = { + 0x5e, 0x22, 0x7b, 0x05, 0x03, 0x04, 0x2d, 0x03, 0x66, 0x03, 0x01, 0x2f, + 0x2e, 0x80, 0x82, 0x1d, 0x03, 0x31, 0x0f, 0x1c, 0x04, 0x24, 0x09, 0x1e, + 0x05, 0x2b, 0x05, 0x44, 0x04, 0x0e, 0x2a, 0x80, 0xaa, 0x06, 0x24, 0x04, + 0x24, 0x04, 0x28, 0x08, 0x34, 0x0b, 0x01, 0x80, 0x90, 0x81, 0x37, 0x09, + 0x16, 0x0a, 0x08, 0x80, 0x98, 0x39, 0x03, 0x63, 0x08, 0x09, 0x30, 0x16, + 0x05, 0x21, 0x03, 0x1b, 0x05, 0x01, 0x40, 0x38, 0x04, 0x4b, 0x05, 0x2f, + 0x04, 0x0a, 0x07, 0x09, 0x07, 0x40, 0x20, 0x27, 0x04, 0x0c, 0x09, 0x36, + 0x03, 0x3a, 0x05, 0x1a, 0x07, 0x04, 0x0c, 0x07, 0x50, 0x49, 0x37, 0x33, + 0x0d, 0x33, 0x07, 0x2e, 0x08, 0x0a, 0x81, 0x26, 0x52, 0x4e, 0x28, 0x08, + 0x2a, 0x56, 0x1c, 0x14, 0x17, 0x09, 0x4e, 0x04, 0x1e, 0x0f, 0x43, 0x0e, + 0x19, 0x07, 0x0a, 0x06, 0x48, 0x08, 0x27, 0x09, 0x75, 0x0b, 0x3f, 0x41, + 0x2a, 0x06, 0x3b, 0x05, 0x0a, 0x06, 0x51, 0x06, 0x01, 0x05, 0x10, 0x03, + 0x05, 0x80, 0x8b, 0x62, 0x1e, 0x48, 0x08, 0x0a, 0x80, 0xa6, 0x5e, 0x22, + 0x45, 0x0b, 0x0a, 0x06, 0x0d, 0x13, 0x39, 0x07, 0x0a, 0x36, 0x2c, 0x04, + 0x10, 0x80, 0xc0, 0x3c, 0x64, 0x53, 0x0c, 0x48, 0x09, 0x0a, 0x46, 0x45, + 0x1b, 0x48, 0x08, 0x53, 0x1d, 0x39, 0x81, 0x07, 0x46, 0x0a, 0x1d, 0x03, + 0x47, 0x49, 0x37, 0x03, 0x0e, 0x08, 0x0a, 0x06, 0x39, 0x07, 0x0a, 0x81, + 0x36, 0x19, 0x80, 0xb7, 0x01, 0x0f, 0x32, 0x0d, 0x83, 0x9b, 0x66, 0x75, + 0x0b, 0x80, 0xc4, 0x8a, 0xbc, 0x84, 0x2f, 0x8f, 0xd1, 0x82, 0x47, 0xa1, + 0xb9, 0x82, 0x39, 0x07, 0x2a, 0x04, 0x02, 0x60, 0x26, 0x0a, 0x46, 0x0a, + 0x28, 0x05, 0x13, 0x82, 0xb0, 0x5b, 0x65, 0x4b, 0x04, 0x39, 0x07, 0x11, + 0x40, 0x05, 0x0b, 0x02, 0x0e, 0x97, 0xf8, 0x08, 0x84, 0xd6, 0x2a, 0x09, + 0xa2, 0xf7, 0x81, 0x1f, 0x31, 0x03, 0x11, 0x04, 0x08, 0x81, 0x8c, 0x89, + 0x04, 0x6b, 0x05, 0x0d, 0x03, 0x09, 0x07, 0x10, 0x93, 0x60, 0x80, 0xf6, + 0x0a, 0x73, 0x08, 0x6e, 0x17, 0x46, 0x80, 0x9a, 0x14, 0x0c, 0x57, 0x09, + 0x19, 0x80, 0x87, 0x81, 0x47, 0x03, 0x85, 0x42, 0x0f, 0x15, 0x85, 0x50, + 0x2b, 0x80, 0xd5, 0x2d, 0x03, 0x1a, 0x04, 0x02, 0x81, 0x70, 0x3a, 0x05, + 0x01, 0x85, 0x00, 0x80, 0xd7, 0x29, 0x4c, 0x04, 0x0a, 0x04, 0x02, 0x83, + 0x11, 0x44, 0x4c, 0x3d, 0x80, 0xc2, 0x3c, 0x06, 0x01, 0x04, 0x55, 0x05, + 0x1b, 0x34, 0x02, 0x81, 0x0e, 0x2c, 0x04, 0x64, 0x0c, 0x56, 0x0a, 0x80, + 0xae, 0x38, 0x1d, 0x0d, 0x2c, 0x04, 0x09, 0x07, 0x02, 0x0e, 0x06, 0x80, + 0x9a, 0x83, 0xd8, 0x08, 0x0d, 0x03, 0x0d, 0x03, 0x74, 0x0c, 0x59, 0x07, + 0x0c, 0x14, 0x0c, 0x04, 0x38, 0x08, 0x0a, 0x06, 0x28, 0x08, 0x22, 0x4e, + 0x81, 0x54, 0x0c, 0x15, 0x03, 0x03, 0x05, 0x07, 0x09, 0x19, 0x07, 0x07, + 0x09, 0x03, 0x0d, 0x07, 0x29, 0x80, 0xcb, 0x25, 0x0a, 0x84, 0x06, + }; + auto lower = static_cast(cp); + if (cp < 0x10000) { + return is_printable(lower, singletons0, + sizeof(singletons0) / sizeof(*singletons0), + singletons0_lower, normal0, sizeof(normal0)); + } + if (cp < 0x20000) { + return is_printable(lower, singletons1, + sizeof(singletons1) / sizeof(*singletons1), + singletons1_lower, normal1, sizeof(normal1)); + } + if (0x2a6de <= cp && cp < 0x2a700) return false; + if (0x2b735 <= cp && cp < 0x2b740) return false; + if (0x2b81e <= cp && cp < 0x2b820) return false; + if (0x2cea2 <= cp && cp < 0x2ceb0) return false; + if (0x2ebe1 <= cp && cp < 0x2f800) return false; + if (0x2fa1e <= cp && cp < 0x30000) return false; + if (0x3134b <= cp && cp < 0xe0100) return false; + if (0xe01f0 <= cp && cp < 0x110000) return false; + return cp < 0x110000; } } // namespace detail diff --git a/src/spdlog/fmt/bundled/format.h b/src/spdlog/fmt/bundled/format.h index 86bfcdd9..7c607dbd 100644 --- a/src/spdlog/fmt/bundled/format.h +++ b/src/spdlog/fmt/bundled/format.h @@ -42,92 +42,91 @@ #include // std::system_error #ifdef __cpp_lib_bit_cast -#include // std::bitcast +# include // std::bitcast #endif #include "core.h" #if FMT_GCC_VERSION -#define FMT_GCC_VISIBILITY_HIDDEN __attribute__((visibility("hidden"))) +# define FMT_GCC_VISIBILITY_HIDDEN __attribute__((visibility("hidden"))) #else -#define FMT_GCC_VISIBILITY_HIDDEN +# define FMT_GCC_VISIBILITY_HIDDEN #endif #ifdef __NVCC__ -#define FMT_CUDA_VERSION (__CUDACC_VER_MAJOR__ * 100 + __CUDACC_VER_MINOR__) +# define FMT_CUDA_VERSION (__CUDACC_VER_MAJOR__ * 100 + __CUDACC_VER_MINOR__) #else -#define FMT_CUDA_VERSION 0 +# define FMT_CUDA_VERSION 0 #endif #ifdef __has_builtin -#define FMT_HAS_BUILTIN(x) __has_builtin(x) +# define FMT_HAS_BUILTIN(x) __has_builtin(x) #else -#define FMT_HAS_BUILTIN(x) 0 +# define FMT_HAS_BUILTIN(x) 0 #endif #if FMT_GCC_VERSION || FMT_CLANG_VERSION -#define FMT_NOINLINE __attribute__((noinline)) +# define FMT_NOINLINE __attribute__((noinline)) #else -#define FMT_NOINLINE +# define FMT_NOINLINE #endif #if FMT_MSC_VERSION -#define FMT_MSC_DEFAULT = default +# define FMT_MSC_DEFAULT = default #else -#define FMT_MSC_DEFAULT +# define FMT_MSC_DEFAULT #endif #ifndef FMT_THROW -#if FMT_EXCEPTIONS -#if FMT_MSC_VERSION || defined(__NVCC__) +# if FMT_EXCEPTIONS +# if FMT_MSC_VERSION || defined(__NVCC__) FMT_BEGIN_NAMESPACE namespace detail { -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; +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 detail FMT_END_NAMESPACE -#define FMT_THROW(x) detail::do_throw(x) -#else -#define FMT_THROW(x) throw x -#endif -#else -#define FMT_THROW(x) \ - do { \ +# define FMT_THROW(x) detail::do_throw(x) +# else +# define FMT_THROW(x) throw x +# endif +# else +# define FMT_THROW(x) \ + do { \ FMT_ASSERT(false, (x).what()); \ - } while (false) -#endif + } while (false) +# endif #endif #if FMT_EXCEPTIONS -#define FMT_TRY try -#define FMT_CATCH(x) catch (x) +# define FMT_TRY try +# define FMT_CATCH(x) catch (x) #else -#define FMT_TRY if (true) -#define FMT_CATCH(x) if (false) +# define FMT_TRY if (true) +# define FMT_CATCH(x) if (false) #endif #ifndef FMT_MAYBE_UNUSED -#if FMT_HAS_CPP17_ATTRIBUTE(maybe_unused) -#define FMT_MAYBE_UNUSED [[maybe_unused]] -#else -#define FMT_MAYBE_UNUSED -#endif +# if FMT_HAS_CPP17_ATTRIBUTE(maybe_unused) +# define FMT_MAYBE_UNUSED [[maybe_unused]] +# else +# define FMT_MAYBE_UNUSED +# endif #endif #ifndef FMT_USE_USER_DEFINED_LITERALS // EDG based compilers (Intel, NVIDIA, Elbrus, etc), GCC and MSVC support UDLs. -#if (FMT_HAS_FEATURE(cxx_user_literals) || FMT_GCC_VERSION >= 407 || \ - FMT_MSC_VERSION >= 1900) && \ - (!defined(__EDG_VERSION__) || __EDG_VERSION__ >= /* UDL feature */ 480) -#define FMT_USE_USER_DEFINED_LITERALS 1 -#else -#define FMT_USE_USER_DEFINED_LITERALS 0 -#endif +# if (FMT_HAS_FEATURE(cxx_user_literals) || FMT_GCC_VERSION >= 407 || \ + FMT_MSC_VERSION >= 1900) && \ + (!defined(__EDG_VERSION__) || __EDG_VERSION__ >= /* UDL feature */ 480) +# define FMT_USE_USER_DEFINED_LITERALS 1 +# else +# define FMT_USE_USER_DEFINED_LITERALS 0 +# endif #endif // Defining FMT_REDUCE_INT_INSTANTIATIONS to 1, will reduce the number of @@ -135,35 +134,35 @@ FMT_END_NAMESPACE // largest integer type. This results in a reduction in binary size but will // cause a decrease in integer formatting performance. #if !defined(FMT_REDUCE_INT_INSTANTIATIONS) -#define FMT_REDUCE_INT_INSTANTIATIONS 0 +# define FMT_REDUCE_INT_INSTANTIATIONS 0 #endif // __builtin_clz is broken in clang with Microsoft CodeGen: // https://github.com/fmtlib/fmt/issues/519. #if !FMT_MSC_VERSION -#if FMT_HAS_BUILTIN(__builtin_clz) || FMT_GCC_VERSION || FMT_ICC_VERSION -#define FMT_BUILTIN_CLZ(n) __builtin_clz(n) -#endif -#if FMT_HAS_BUILTIN(__builtin_clzll) || FMT_GCC_VERSION || FMT_ICC_VERSION -#define FMT_BUILTIN_CLZLL(n) __builtin_clzll(n) -#endif +# if FMT_HAS_BUILTIN(__builtin_clz) || FMT_GCC_VERSION || FMT_ICC_VERSION +# define FMT_BUILTIN_CLZ(n) __builtin_clz(n) +# endif +# if FMT_HAS_BUILTIN(__builtin_clzll) || FMT_GCC_VERSION || FMT_ICC_VERSION +# define FMT_BUILTIN_CLZLL(n) __builtin_clzll(n) +# endif #endif // __builtin_ctz is broken in Intel Compiler Classic on Windows: // https://github.com/fmtlib/fmt/issues/2510. #ifndef __ICL -#if FMT_HAS_BUILTIN(__builtin_ctz) || FMT_GCC_VERSION || FMT_ICC_VERSION || \ - defined(__NVCOMPILER) -#define FMT_BUILTIN_CTZ(n) __builtin_ctz(n) -#endif -#if FMT_HAS_BUILTIN(__builtin_ctzll) || FMT_GCC_VERSION || \ - FMT_ICC_VERSION || defined(__NVCOMPILER) -#define FMT_BUILTIN_CTZLL(n) __builtin_ctzll(n) -#endif +# if FMT_HAS_BUILTIN(__builtin_ctz) || FMT_GCC_VERSION || FMT_ICC_VERSION || \ + defined(__NVCOMPILER) +# define FMT_BUILTIN_CTZ(n) __builtin_ctz(n) +# endif +# if FMT_HAS_BUILTIN(__builtin_ctzll) || FMT_GCC_VERSION || \ + FMT_ICC_VERSION || defined(__NVCOMPILER) +# define FMT_BUILTIN_CTZLL(n) __builtin_ctzll(n) +# endif #endif #if FMT_MSC_VERSION -#include // _BitScanReverse[64], _BitScanForward[64], _umul128 +# include // _BitScanReverse[64], _BitScanForward[64], _umul128 #endif // Some compilers masquerade as both MSVC and GCC-likes or otherwise support @@ -174,68 +173,68 @@ FMT_END_NAMESPACE FMT_BEGIN_NAMESPACE namespace detail { // Avoid Clang with Microsoft CodeGen's -Wunknown-pragmas warning. -#if !defined(__clang__) -#pragma intrinsic(_BitScanForward) -#pragma intrinsic(_BitScanReverse) -#if defined(_WIN64) -#pragma intrinsic(_BitScanForward64) -#pragma intrinsic(_BitScanReverse64) -#endif -#endif +# if !defined(__clang__) +# pragma intrinsic(_BitScanForward) +# pragma intrinsic(_BitScanReverse) +# if defined(_WIN64) +# pragma intrinsic(_BitScanForward64) +# pragma intrinsic(_BitScanReverse64) +# endif +# endif inline auto clz(uint32_t x) -> int { - 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. - FMT_MSC_WARNING(suppress : 6102) - return 31 ^ static_cast(r); + 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. + FMT_MSC_WARNING(suppress : 6102) + return 31 ^ static_cast(r); } -#define FMT_BUILTIN_CLZ(n) detail::clz(n) +# define FMT_BUILTIN_CLZ(n) detail::clz(n) inline auto clzll(uint64_t x) -> int { - 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, ""); - FMT_MSC_WARNING(suppress : 6102) // Suppress a bogus static analysis warning. - return 63 ^ static_cast(r); -} -#define FMT_BUILTIN_CLZLL(n) detail::clzll(n) + 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, ""); + FMT_MSC_WARNING(suppress : 6102) // Suppress a bogus static analysis warning. + return 63 ^ static_cast(r); +} +# define FMT_BUILTIN_CLZLL(n) detail::clzll(n) inline auto ctz(uint32_t x) -> int { - unsigned long r = 0; - _BitScanForward(&r, x); - FMT_ASSERT(x != 0, ""); - FMT_MSC_WARNING(suppress : 6102) // Suppress a bogus static analysis warning. - return static_cast(r); + unsigned long r = 0; + _BitScanForward(&r, x); + FMT_ASSERT(x != 0, ""); + FMT_MSC_WARNING(suppress : 6102) // Suppress a bogus static analysis warning. + return static_cast(r); } -#define FMT_BUILTIN_CTZ(n) detail::ctz(n) +# define FMT_BUILTIN_CTZ(n) detail::ctz(n) inline auto ctzll(uint64_t x) -> int { - unsigned long r = 0; - FMT_ASSERT(x != 0, ""); - FMT_MSC_WARNING(suppress : 6102) // Suppress a bogus static analysis warning. -#ifdef _WIN64 - _BitScanForward64(&r, x); -#else - // Scan the low 32 bits. - if (_BitScanForward(&r, static_cast(x))) return static_cast(r); - // Scan the high 32 bits. - _BitScanForward(&r, static_cast(x >> 32)); - r += 32; -#endif - return static_cast(r); -} -#define FMT_BUILTIN_CTZLL(n) detail::ctzll(n) + unsigned long r = 0; + FMT_ASSERT(x != 0, ""); + FMT_MSC_WARNING(suppress : 6102) // Suppress a bogus static analysis warning. +# ifdef _WIN64 + _BitScanForward64(&r, x); +# else + // Scan the low 32 bits. + if (_BitScanForward(&r, static_cast(x))) return static_cast(r); + // Scan the high 32 bits. + _BitScanForward(&r, static_cast(x >> 32)); + r += 32; +# endif + return static_cast(r); +} +# define FMT_BUILTIN_CTZLL(n) detail::ctzll(n) } // namespace detail FMT_END_NAMESPACE #endif @@ -244,197 +243,185 @@ FMT_BEGIN_NAMESPACE namespace detail { FMT_CONSTEXPR inline void abort_fuzzing_if(bool condition) { - ignore_unused(condition); + ignore_unused(condition); #ifdef FMT_FUZZ - if (condition) throw std::runtime_error("fuzzing limit reached"); + if (condition) throw std::runtime_error("fuzzing limit reached"); #endif } -template -struct string_literal { - static constexpr CharT value[sizeof...(C)] = {C...}; - constexpr operator basic_string_view() const { - return {value, sizeof...(C)}; - } +template struct string_literal { + static constexpr CharT value[sizeof...(C)] = {C...}; + constexpr operator basic_string_view() const { + return {value, sizeof...(C)}; + } }; #if FMT_CPLUSPLUS < 201703L -template +template constexpr CharT string_literal::value[sizeof...(C)]; #endif -template -class formatbuf : public Streambuf { -private: - using char_type = typename Streambuf::char_type; - using streamsize = decltype(std::declval().sputn(nullptr, 0)); - using int_type = typename Streambuf::int_type; - using traits_type = typename Streambuf::traits_type; - - buffer &buffer_; - -public: - explicit formatbuf(buffer &buf) - : buffer_(buf) { - } - -protected: - // The put area is always empty. This makes the implementation simpler and has - // the advantage that the streambuf and the buffer are always in sync and - // sputc never writes into uninitialized memory. A disadvantage is that each - // call to sputc always results in a (virtual) call to overflow. There is no - // disadvantage here for sputn since this always results in a call to xsputn. - - auto overflow(int_type ch) -> int_type override { - if (!traits_type::eq_int_type(ch, traits_type::eof())) - buffer_.push_back(static_cast(ch)); - return ch; - } - - auto xsputn(const char_type *s, streamsize count) -> streamsize override { - buffer_.append(s, s + count); - return count; - } +template class formatbuf : public Streambuf { + private: + using char_type = typename Streambuf::char_type; + using streamsize = decltype(std::declval().sputn(nullptr, 0)); + using int_type = typename Streambuf::int_type; + using traits_type = typename Streambuf::traits_type; + + buffer& buffer_; + + public: + explicit formatbuf(buffer& buf) : buffer_(buf) {} + + protected: + // The put area is always empty. This makes the implementation simpler and has + // the advantage that the streambuf and the buffer are always in sync and + // sputc never writes into uninitialized memory. A disadvantage is that each + // call to sputc always results in a (virtual) call to overflow. There is no + // disadvantage here for sputn since this always results in a call to xsputn. + + auto overflow(int_type ch) -> int_type override { + if (!traits_type::eq_int_type(ch, traits_type::eof())) + buffer_.push_back(static_cast(ch)); + return ch; + } + + auto xsputn(const char_type* s, streamsize count) -> streamsize override { + buffer_.append(s, s + count); + return count; + } }; // Implementation of std::bit_cast for pre-C++20. -template -FMT_CONSTEXPR20 auto bit_cast(const From &from) -> To { +template +FMT_CONSTEXPR20 auto bit_cast(const From& from) -> To { #ifdef __cpp_lib_bit_cast - if (is_constant_evaluated()) return std::bit_cast(from); + if (is_constant_evaluated()) return std::bit_cast(from); #endif - auto to = To(); - // The cast suppresses a bogus -Wclass-memaccess on GCC. - std::memcpy(static_cast(&to), &from, sizeof(to)); - return to; + auto to = To(); + // The cast suppresses a bogus -Wclass-memaccess on GCC. + std::memcpy(static_cast(&to), &from, sizeof(to)); + return to; } inline auto is_big_endian() -> bool { #ifdef _WIN32 - return false; + return false; #elif defined(__BIG_ENDIAN__) - return true; + return true; #elif defined(__BYTE_ORDER__) && defined(__ORDER_BIG_ENDIAN__) - return __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__; + return __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__; #else - struct bytes { - char data[sizeof(int)]; - }; - return bit_cast(1).data[0] == 0; + struct bytes { + char data[sizeof(int)]; + }; + return bit_cast(1).data[0] == 0; #endif } class uint128_fallback { -private: - uint64_t lo_, hi_; - - friend uint128_fallback umul128(uint64_t x, uint64_t y) noexcept; - -public: - constexpr uint128_fallback(uint64_t hi, uint64_t lo) - : lo_(lo), hi_(hi) { - } - constexpr uint128_fallback(uint64_t value = 0) - : lo_(value), hi_(0) { - } - - constexpr uint64_t high() const noexcept { - return hi_; - } - constexpr uint64_t low() const noexcept { - return lo_; - } - - template::value)> - constexpr explicit operator T() const { - return static_cast(lo_); - } - - friend constexpr auto operator==(const uint128_fallback &lhs, - const uint128_fallback &rhs) -> bool { - return lhs.hi_ == rhs.hi_ && lhs.lo_ == rhs.lo_; - } - friend constexpr auto operator!=(const uint128_fallback &lhs, - const uint128_fallback &rhs) -> bool { - return !(lhs == rhs); - } - friend constexpr auto operator>(const uint128_fallback &lhs, - const uint128_fallback &rhs) -> bool { - return lhs.hi_ != rhs.hi_ ? lhs.hi_ > rhs.hi_ : lhs.lo_ > rhs.lo_; - } - friend constexpr auto operator|(const uint128_fallback &lhs, - const uint128_fallback &rhs) - -> uint128_fallback { - return {lhs.hi_ | rhs.hi_, lhs.lo_ | rhs.lo_}; - } - friend constexpr auto operator&(const uint128_fallback &lhs, - const uint128_fallback &rhs) - -> uint128_fallback { - return {lhs.hi_ & rhs.hi_, lhs.lo_ & rhs.lo_}; - } - friend auto operator+(const uint128_fallback &lhs, - const uint128_fallback &rhs) -> uint128_fallback { - auto result = uint128_fallback(lhs); - result += rhs; - return result; - } - friend auto operator*(const uint128_fallback &lhs, uint32_t rhs) - -> uint128_fallback { - FMT_ASSERT(lhs.hi_ == 0, ""); - uint64_t hi = (lhs.lo_ >> 32) * rhs; - uint64_t lo = (lhs.lo_ & ~uint32_t()) * rhs; - uint64_t new_lo = (hi << 32) + lo; - return {(hi >> 32) + (new_lo < lo ? 1 : 0), new_lo}; - } - friend auto operator-(const uint128_fallback &lhs, uint64_t rhs) - -> uint128_fallback { - return {lhs.hi_ - (lhs.lo_ < rhs ? 1 : 0), lhs.lo_ - rhs}; - } - FMT_CONSTEXPR auto operator>>(int shift) const -> uint128_fallback { - if (shift == 64) return {0, hi_}; - if (shift > 64) return uint128_fallback(0, hi_) >> (shift - 64); - return {hi_ >> shift, (hi_ << (64 - shift)) | (lo_ >> shift)}; - } - FMT_CONSTEXPR auto operator<<(int shift) const -> uint128_fallback { - if (shift == 64) return {lo_, 0}; - if (shift > 64) return uint128_fallback(lo_, 0) << (shift - 64); - return {hi_ << shift | (lo_ >> (64 - shift)), (lo_ << shift)}; - } - FMT_CONSTEXPR auto operator>>=(int shift) -> uint128_fallback & { - return *this = *this >> shift; - } - FMT_CONSTEXPR void operator+=(uint128_fallback n) { - uint64_t new_lo = lo_ + n.lo_; - uint64_t new_hi = hi_ + n.hi_ + (new_lo < lo_ ? 1 : 0); - FMT_ASSERT(new_hi >= hi_, ""); - lo_ = new_lo; - hi_ = new_hi; + private: + uint64_t lo_, hi_; + + friend uint128_fallback umul128(uint64_t x, uint64_t y) noexcept; + + public: + constexpr uint128_fallback(uint64_t hi, uint64_t lo) : lo_(lo), hi_(hi) {} + constexpr uint128_fallback(uint64_t value = 0) : lo_(value), hi_(0) {} + + constexpr uint64_t high() const noexcept { return hi_; } + constexpr uint64_t low() const noexcept { return lo_; } + + template ::value)> + constexpr explicit operator T() const { + return static_cast(lo_); + } + + friend constexpr auto operator==(const uint128_fallback& lhs, + const uint128_fallback& rhs) -> bool { + return lhs.hi_ == rhs.hi_ && lhs.lo_ == rhs.lo_; + } + friend constexpr auto operator!=(const uint128_fallback& lhs, + const uint128_fallback& rhs) -> bool { + return !(lhs == rhs); + } + friend constexpr auto operator>(const uint128_fallback& lhs, + const uint128_fallback& rhs) -> bool { + return lhs.hi_ != rhs.hi_ ? lhs.hi_ > rhs.hi_ : lhs.lo_ > rhs.lo_; + } + friend constexpr auto operator|(const uint128_fallback& lhs, + const uint128_fallback& rhs) + -> uint128_fallback { + return {lhs.hi_ | rhs.hi_, lhs.lo_ | rhs.lo_}; + } + friend constexpr auto operator&(const uint128_fallback& lhs, + const uint128_fallback& rhs) + -> uint128_fallback { + return {lhs.hi_ & rhs.hi_, lhs.lo_ & rhs.lo_}; + } + friend auto operator+(const uint128_fallback& lhs, + const uint128_fallback& rhs) -> uint128_fallback { + auto result = uint128_fallback(lhs); + result += rhs; + return result; + } + friend auto operator*(const uint128_fallback& lhs, uint32_t rhs) + -> uint128_fallback { + FMT_ASSERT(lhs.hi_ == 0, ""); + uint64_t hi = (lhs.lo_ >> 32) * rhs; + uint64_t lo = (lhs.lo_ & ~uint32_t()) * rhs; + uint64_t new_lo = (hi << 32) + lo; + return {(hi >> 32) + (new_lo < lo ? 1 : 0), new_lo}; + } + friend auto operator-(const uint128_fallback& lhs, uint64_t rhs) + -> uint128_fallback { + return {lhs.hi_ - (lhs.lo_ < rhs ? 1 : 0), lhs.lo_ - rhs}; + } + FMT_CONSTEXPR auto operator>>(int shift) const -> uint128_fallback { + if (shift == 64) return {0, hi_}; + if (shift > 64) return uint128_fallback(0, hi_) >> (shift - 64); + return {hi_ >> shift, (hi_ << (64 - shift)) | (lo_ >> shift)}; + } + FMT_CONSTEXPR auto operator<<(int shift) const -> uint128_fallback { + if (shift == 64) return {lo_, 0}; + if (shift > 64) return uint128_fallback(lo_, 0) << (shift - 64); + return {hi_ << shift | (lo_ >> (64 - shift)), (lo_ << shift)}; + } + FMT_CONSTEXPR auto operator>>=(int shift) -> uint128_fallback& { + return *this = *this >> shift; + } + FMT_CONSTEXPR void operator+=(uint128_fallback n) { + uint64_t new_lo = lo_ + n.lo_; + uint64_t new_hi = hi_ + n.hi_ + (new_lo < lo_ ? 1 : 0); + FMT_ASSERT(new_hi >= hi_, ""); + lo_ = new_lo; + hi_ = new_hi; + } + + FMT_CONSTEXPR20 uint128_fallback& operator+=(uint64_t n) noexcept { + if (is_constant_evaluated()) { + lo_ += n; + hi_ += (lo_ < n ? 1 : 0); + return *this; } - - FMT_CONSTEXPR20 uint128_fallback &operator+=(uint64_t n) noexcept { - if (is_constant_evaluated()) { - lo_ += n; - hi_ += (lo_ < n ? 1 : 0); - return *this; - } #if FMT_HAS_BUILTIN(__builtin_addcll) && !defined(__ibmxl__) - unsigned long long carry; - lo_ = __builtin_addcll(lo_, n, 0, &carry); - hi_ += carry; + unsigned long long carry; + lo_ = __builtin_addcll(lo_, n, 0, &carry); + hi_ += carry; #elif FMT_HAS_BUILTIN(__builtin_ia32_addcarryx_u64) && !defined(__ibmxl__) - unsigned long long result; - auto carry = __builtin_ia32_addcarryx_u64(0, lo_, n, &result); - lo_ = result; - hi_ += carry; + unsigned long long result; + auto carry = __builtin_ia32_addcarryx_u64(0, lo_, n, &result); + lo_ = result; + hi_ += carry; #elif defined(_MSC_VER) && defined(_M_X64) - auto carry = _addcarry_u64(0, lo_, n, &lo_); - _addcarry_u64(carry, hi_, 0, &hi_); + auto carry = _addcarry_u64(0, lo_, n, &lo_); + _addcarry_u64(carry, hi_, 0, &hi_); #else - lo_ += n; - hi_ += (lo_ < n ? 1 : 0); + lo_ += n; + hi_ += (lo_ < n ? 1 : 0); #endif - return *this; - } + return *this; + } }; using uint128_t = conditional_t; @@ -447,155 +434,141 @@ using uintptr_t = uint128_t; // 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 auto max_value() -> T { - return (std::numeric_limits::max)(); +template constexpr auto max_value() -> T { + return (std::numeric_limits::max)(); } -template -constexpr auto num_bits() -> int { - return std::numeric_limits::digits; +template constexpr auto num_bits() -> int { + return std::numeric_limits::digits; } // std::numeric_limits::digits may return 0 for 128-bit ints. -template<> -constexpr auto num_bits() -> int { - return 128; -} -template<> -constexpr auto num_bits() -> int { - return 128; -} +template <> constexpr auto num_bits() -> int { return 128; } +template <> constexpr auto num_bits() -> int { return 128; } // A heterogeneous bit_cast used for converting 96-bit long double to uint128_t // and 128-bit pointers to uint128_fallback. -template sizeof(From))> -inline auto bit_cast(const From &from) -> To { - constexpr auto size = static_cast(sizeof(From) / sizeof(unsigned)); - struct data_t { - unsigned value[static_cast(size)]; - } data = bit_cast(from); - auto result = To(); - if (const_check(is_big_endian())) { - for (int i = 0; i < size; ++i) - result = (result << num_bits()) | data.value[i]; - } else { - for (int i = size - 1; i >= 0; --i) - result = (result << num_bits()) | data.value[i]; - } - return result; +template sizeof(From))> +inline auto bit_cast(const From& from) -> To { + constexpr auto size = static_cast(sizeof(From) / sizeof(unsigned)); + struct data_t { + unsigned value[static_cast(size)]; + } data = bit_cast(from); + auto result = To(); + if (const_check(is_big_endian())) { + for (int i = 0; i < size; ++i) + result = (result << num_bits()) | data.value[i]; + } else { + for (int i = size - 1; i >= 0; --i) + result = (result << num_bits()) | data.value[i]; + } + return result; } FMT_INLINE void assume(bool condition) { - (void)condition; + (void)condition; #if FMT_HAS_BUILTIN(__builtin_assume) && !FMT_ICC_VERSION - __builtin_assume(condition); + __builtin_assume(condition); #endif } // An approximation of iterator_t for pre-C++20 systems. -template -using iterator_t = decltype(std::begin(std::declval())); -template -using sentinel_t = decltype(std::end(std::declval())); +template +using iterator_t = decltype(std::begin(std::declval())); +template using sentinel_t = decltype(std::end(std::declval())); // A workaround for std::string not having mutable data() until C++17. -template -inline auto get_data(std::basic_string &s) -> Char * { - return &s[0]; +template +inline auto get_data(std::basic_string& s) -> Char* { + return &s[0]; } -template -inline auto get_data(Container &c) -> typename Container::value_type * { - return c.data(); +template +inline auto get_data(Container& c) -> typename Container::value_type* { + 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 -constexpr auto make_checked(T *p, size_t size) -> checked_ptr { - return {p, size}; +template using checked_ptr = stdext::checked_array_iterator; +template +constexpr auto make_checked(T* p, size_t size) -> checked_ptr { + return {p, size}; } #else -template -using checked_ptr = T *; -template -constexpr auto make_checked(T *p, size_t) -> T * { - return p; +template using checked_ptr = T*; +template constexpr auto make_checked(T* p, size_t) -> T* { + return p; } #endif // Attempts to reserve space for n extra characters in the output range. // Returns a pointer to the reserved range or a reference to it. -template::value)> +template ::value)> #if FMT_CLANG_VERSION >= 307 && !FMT_ICC_VERSION __attribute__((no_sanitize("undefined"))) #endif inline auto reserve(std::back_insert_iterator it, size_t n) -> checked_ptr { - Container &c = get_container(it); - size_t size = c.size(); - c.resize(size + n); - return make_checked(get_data(c) + size, n); + Container& c = get_container(it); + size_t size = c.size(); + c.resize(size + n); + return make_checked(get_data(c) + size, n); } -template +template inline auto reserve(buffer_appender it, size_t n) -> buffer_appender { - buffer &buf = get_container(it); - buf.try_reserve(buf.size() + n); - return it; + buffer& buf = get_container(it); + buf.try_reserve(buf.size() + n); + return it; } -template -constexpr auto reserve(Iterator &it, size_t) -> Iterator & { - return it; +template +constexpr auto reserve(Iterator& it, size_t) -> Iterator& { + return it; } -template +template using reserve_iterator = - remove_reference_t(), 0))>; + remove_reference_t(), 0))>; -template -constexpr auto to_pointer(OutputIt, size_t) -> T * { - return nullptr; +template +constexpr auto to_pointer(OutputIt, size_t) -> T* { + return nullptr; } -template -auto to_pointer(buffer_appender it, size_t n) -> T * { - buffer &buf = get_container(it); - auto size = buf.size(); - if (buf.capacity() < size + n) return nullptr; - buf.try_resize(size + n); - return buf.data() + size; +template auto to_pointer(buffer_appender it, size_t n) -> T* { + buffer& buf = get_container(it); + auto size = buf.size(); + if (buf.capacity() < size + n) return nullptr; + buf.try_resize(size + n); + return buf.data() + size; } -template::value)> -inline auto base_iterator(std::back_insert_iterator &it, +template ::value)> +inline auto base_iterator(std::back_insert_iterator& it, checked_ptr) -> std::back_insert_iterator { - return it; + return it; } -template +template constexpr auto base_iterator(Iterator, Iterator it) -> Iterator { - return it; + return it; } // is spectacularly slow to compile in C++20 so use a simple fill_n // instead (#1998). -template -FMT_CONSTEXPR auto fill_n(OutputIt out, Size count, const T &value) +template +FMT_CONSTEXPR auto fill_n(OutputIt out, Size count, const T& value) -> OutputIt { - for (Size i = 0; i < count; ++i) - *out++ = value; - return out; + for (Size i = 0; i < count; ++i) *out++ = value; + return out; } -template -FMT_CONSTEXPR20 auto fill_n(T *out, Size count, char value) -> T * { - if (is_constant_evaluated()) { - return fill_n(out, count, value); - } - std::memset(out, value, to_unsigned(count)); - return out + count; +template +FMT_CONSTEXPR20 auto fill_n(T* out, Size count, char value) -> T* { + if (is_constant_evaluated()) { + return fill_n(out, count, value); + } + std::memset(out, value, to_unsigned(count)); + return out + count; } #ifdef __cpp_char8_t @@ -604,10 +577,10 @@ using char8_type = char8_t; enum char8_type : unsigned char {}; #endif -template +template FMT_CONSTEXPR FMT_NOINLINE auto copy_str_noinline(InputIt begin, InputIt end, OutputIt out) -> OutputIt { - return copy_str(begin, end, out); + return copy_str(begin, end, out); } // A public domain branchless UTF-8 decoder by Christopher Wellons: @@ -627,192 +600,190 @@ FMT_CONSTEXPR FMT_NOINLINE auto copy_str_noinline(InputIt begin, InputIt end, * occurs, this pointer will be a guess that depends on the particular * error, but it will always advance at least one byte. */ -FMT_CONSTEXPR inline auto utf8_decode(const char *s, uint32_t *c, int *e) - -> const char * { - constexpr const int masks[] = {0x00, 0x7f, 0x1f, 0x0f, 0x07}; - constexpr const uint32_t mins[] = {4194304, 0, 128, 2048, 65536}; - constexpr const int shiftc[] = {0, 18, 12, 6, 0}; - constexpr const int shifte[] = {0, 6, 4, 2, 0}; - - int len = code_point_length_impl(*s); - // 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 = s + len + !len; - - using uchar = unsigned char; - - // Assume a four-byte character and load four bytes. Unused bits are - // shifted out. - *c = uint32_t(uchar(s[0]) & masks[len]) << 18; - *c |= uint32_t(uchar(s[1]) & 0x3f) << 12; - *c |= uint32_t(uchar(s[2]) & 0x3f) << 6; - *c |= uint32_t(uchar(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 |= (uchar(s[1]) & 0xc0) >> 2; - *e |= (uchar(s[2]) & 0xc0) >> 4; - *e |= uchar(s[3]) >> 6; - *e ^= 0x2a; // top two bits of each tail byte correct? - *e >>= shifte[len]; - - return next; +FMT_CONSTEXPR inline auto utf8_decode(const char* s, uint32_t* c, int* e) + -> const char* { + constexpr const int masks[] = {0x00, 0x7f, 0x1f, 0x0f, 0x07}; + constexpr const uint32_t mins[] = {4194304, 0, 128, 2048, 65536}; + constexpr const int shiftc[] = {0, 18, 12, 6, 0}; + constexpr const int shifte[] = {0, 6, 4, 2, 0}; + + int len = code_point_length_impl(*s); + // 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 = s + len + !len; + + using uchar = unsigned char; + + // Assume a four-byte character and load four bytes. Unused bits are + // shifted out. + *c = uint32_t(uchar(s[0]) & masks[len]) << 18; + *c |= uint32_t(uchar(s[1]) & 0x3f) << 12; + *c |= uint32_t(uchar(s[2]) & 0x3f) << 6; + *c |= uint32_t(uchar(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 |= (uchar(s[1]) & 0xc0) >> 2; + *e |= (uchar(s[2]) & 0xc0) >> 4; + *e |= uchar(s[3]) >> 6; + *e ^= 0x2a; // top two bits of each tail byte correct? + *e >>= shifte[len]; + + return next; } constexpr uint32_t invalid_code_point = ~uint32_t(); // Invokes f(cp, sv) for every code point cp in s with sv being the string view // corresponding to the code point. cp is invalid_code_point on error. -template +template FMT_CONSTEXPR void for_each_codepoint(string_view s, F f) { - auto decode = [f](const char *buf_ptr, const char *ptr) { - auto cp = uint32_t(); - auto error = 0; - auto end = utf8_decode(buf_ptr, &cp, &error); - bool result = f(error ? invalid_code_point : cp, - string_view(ptr, error ? 1 : to_unsigned(end - buf_ptr))); - return result ? (error ? buf_ptr + 1 : end) : nullptr; - }; - 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 = decode(p, p); - if (!p) return; - } - } - if (auto num_chars_left = s.data() + s.size() - p) { - char buf[2 * block_size - 1] = {}; - copy_str(p, p + num_chars_left, buf); - const char *buf_ptr = buf; - do { - auto end = decode(buf_ptr, p); - if (!end) return; - p += end - buf_ptr; - buf_ptr = end; - } while (buf_ptr - buf < num_chars_left); - } + auto decode = [f](const char* buf_ptr, const char* ptr) { + auto cp = uint32_t(); + auto error = 0; + auto end = utf8_decode(buf_ptr, &cp, &error); + bool result = f(error ? invalid_code_point : cp, + string_view(ptr, error ? 1 : to_unsigned(end - buf_ptr))); + return result ? (error ? buf_ptr + 1 : end) : nullptr; + }; + 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 = decode(p, p); + if (!p) return; + } + } + if (auto num_chars_left = s.data() + s.size() - p) { + char buf[2 * block_size - 1] = {}; + copy_str(p, p + num_chars_left, buf); + const char* buf_ptr = buf; + do { + auto end = decode(buf_ptr, p); + if (!end) return; + p += end - buf_ptr; + buf_ptr = end; + } while (buf_ptr - buf < num_chars_left); + } } -template +template inline auto compute_width(basic_string_view s) -> size_t { - return s.size(); + return s.size(); } // Computes approximate display width of a UTF-8 string. FMT_CONSTEXPR inline size_t compute_width(string_view s) { - size_t num_code_points = 0; - // It is not a lambda for compatibility with C++14. - struct count_code_points { - size_t *count; - FMT_CONSTEXPR auto operator()(uint32_t cp, string_view) const -> bool { - *count += detail::to_unsigned( - 1 + - (cp >= 0x1100 && - (cp <= 0x115f || // Hangul Jamo init. consonants - cp == 0x2329 || // LEFT-POINTING ANGLE BRACKET - cp == 0x232a || // RIGHT-POINTING ANGLE BRACKET - // CJK ... Yi except IDEOGRAPHIC HALF FILL SPACE: - (cp >= 0x2e80 && cp <= 0xa4cf && cp != 0x303f) || - (cp >= 0xac00 && cp <= 0xd7a3) || // Hangul Syllables - (cp >= 0xf900 && cp <= 0xfaff) || // CJK Compatibility Ideographs - (cp >= 0xfe10 && cp <= 0xfe19) || // Vertical Forms - (cp >= 0xfe30 && cp <= 0xfe6f) || // CJK Compatibility Forms - (cp >= 0xff00 && cp <= 0xff60) || // Fullwidth Forms - (cp >= 0xffe0 && cp <= 0xffe6) || // Fullwidth Forms - (cp >= 0x20000 && cp <= 0x2fffd) || // CJK - (cp >= 0x30000 && cp <= 0x3fffd) || - // Miscellaneous Symbols and Pictographs + Emoticons: - (cp >= 0x1f300 && cp <= 0x1f64f) || - // Supplemental Symbols and Pictographs: - (cp >= 0x1f900 && cp <= 0x1f9ff)))); - return true; - } - }; - for_each_codepoint(s, count_code_points{&num_code_points}); - return num_code_points; + size_t num_code_points = 0; + // It is not a lambda for compatibility with C++14. + struct count_code_points { + size_t* count; + FMT_CONSTEXPR auto operator()(uint32_t cp, string_view) const -> bool { + *count += detail::to_unsigned( + 1 + + (cp >= 0x1100 && + (cp <= 0x115f || // Hangul Jamo init. consonants + cp == 0x2329 || // LEFT-POINTING ANGLE BRACKET + cp == 0x232a || // RIGHT-POINTING ANGLE BRACKET + // CJK ... Yi except IDEOGRAPHIC HALF FILL SPACE: + (cp >= 0x2e80 && cp <= 0xa4cf && cp != 0x303f) || + (cp >= 0xac00 && cp <= 0xd7a3) || // Hangul Syllables + (cp >= 0xf900 && cp <= 0xfaff) || // CJK Compatibility Ideographs + (cp >= 0xfe10 && cp <= 0xfe19) || // Vertical Forms + (cp >= 0xfe30 && cp <= 0xfe6f) || // CJK Compatibility Forms + (cp >= 0xff00 && cp <= 0xff60) || // Fullwidth Forms + (cp >= 0xffe0 && cp <= 0xffe6) || // Fullwidth Forms + (cp >= 0x20000 && cp <= 0x2fffd) || // CJK + (cp >= 0x30000 && cp <= 0x3fffd) || + // Miscellaneous Symbols and Pictographs + Emoticons: + (cp >= 0x1f300 && cp <= 0x1f64f) || + // Supplemental Symbols and Pictographs: + (cp >= 0x1f900 && cp <= 0x1f9ff)))); + return true; + } + }; + for_each_codepoint(s, count_code_points{&num_code_points}); + return num_code_points; } inline auto compute_width(basic_string_view s) -> size_t { - return compute_width( - string_view(reinterpret_cast(s.data()), s.size())); + return compute_width( + string_view(reinterpret_cast(s.data()), s.size())); } -template +template inline auto code_point_index(basic_string_view s, size_t n) -> size_t { - size_t size = s.size(); - return n < size ? n : size; + size_t size = s.size(); + return n < size ? n : size; } // Calculates the index of the nth code point in a UTF-8 string. inline auto code_point_index(string_view s, size_t n) -> size_t { - 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 > n) return i; - } - return s.size(); + 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 > n) return i; + } + return s.size(); } inline auto code_point_index(basic_string_view s, size_t n) -> size_t { - return code_point_index( - string_view(reinterpret_cast(s.data()), s.size()), n); + return code_point_index( + string_view(reinterpret_cast(s.data()), s.size()), n); } #ifndef FMT_USE_FLOAT128 -#ifdef __SIZEOF_FLOAT128__ -#define FMT_USE_FLOAT128 1 -#else -#define FMT_USE_FLOAT128 0 -#endif +# ifdef __SIZEOF_FLOAT128__ +# define FMT_USE_FLOAT128 1 +# else +# define FMT_USE_FLOAT128 0 +# endif #endif #if FMT_USE_FLOAT128 using float128 = __float128; #else using float128 = void; #endif -template -using is_float128 = std::is_same; +template using is_float128 = std::is_same; -template +template using is_floating_point = bool_constant::value || is_float128::value>; -template::value> +template ::value> struct is_fast_float : bool_constant::is_iec559 && sizeof(T) <= sizeof(double)> {}; -template -struct is_fast_float : std::false_type {}; +template struct is_fast_float : std::false_type {}; -template +template using is_double_double = bool_constant::digits == 106>; #ifndef FMT_USE_FULL_CACHE_DRAGONBOX -#define FMT_USE_FULL_CACHE_DRAGONBOX 0 +# define FMT_USE_FULL_CACHE_DRAGONBOX 0 #endif -template -template -void buffer::append(const U *begin, const U *end) { - while (begin != end) { - auto count = to_unsigned(end - begin); - try_reserve(size_ + count); - auto free_cap = capacity_ - size_; - if (free_cap < count) count = free_cap; - std::uninitialized_copy_n(begin, count, make_checked(ptr_ + size_, count)); - size_ += count; - begin += count; - } -} - -template +template +template +void buffer::append(const U* begin, const U* end) { + while (begin != end) { + auto count = to_unsigned(end - begin); + try_reserve(size_ + count); + auto free_cap = capacity_ - size_; + if (free_cap < count) count = free_cap; + std::uninitialized_copy_n(begin, count, make_checked(ptr_ + size_, count)); + size_ += count; + begin += count; + } +} + +template struct is_locale : std::false_type {}; -template +template struct is_locale> : std::true_type {}; } // namespace detail @@ -843,273 +814,256 @@ enum { inline_buffer_size = 500 }; The output can be converted to an ``std::string`` with ``to_string(out)``. \endrst */ -template> +template > class basic_memory_buffer final : public detail::buffer { -private: - T store_[SIZE]; - - // Don't inherit from Allocator avoid generating type_info for it. - Allocator alloc_; - - // Deallocate memory allocated by the buffer. - FMT_CONSTEXPR20 void deallocate() { - T *data = this->data(); - if (data != store_) alloc_.deallocate(data, this->capacity()); - } - -protected: - FMT_CONSTEXPR20 void grow(size_t size) override; - -public: - using value_type = T; - using const_reference = const T &; - - FMT_CONSTEXPR20 explicit basic_memory_buffer( - const Allocator &alloc = Allocator()) - : alloc_(alloc) { - this->set(store_, SIZE); - if (detail::is_constant_evaluated()) detail::fill_n(store_, SIZE, T()); - } - FMT_CONSTEXPR20 ~basic_memory_buffer() { - deallocate(); - } - -private: - // Move data from other to this buffer. - FMT_CONSTEXPR20 void move(basic_memory_buffer &other) { - alloc_ = std::move(other.alloc_); - T *data = other.data(); - size_t size = other.size(), capacity = other.capacity(); - if (data == other.store_) { - this->set(store_, capacity); - detail::copy_str(other.store_, other.store_ + size, - detail::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); - other.clear(); - } - this->resize(size); - } - -public: - /** - \rst - Constructs a :class:`fmt::basic_memory_buffer` object moving the content - of the other object to it. - \endrst - */ - FMT_CONSTEXPR20 basic_memory_buffer(basic_memory_buffer &&other) noexcept { - move(other); - } - - /** - \rst - Moves the content of the other ``basic_memory_buffer`` object to this one. - \endrst - */ - auto operator=(basic_memory_buffer &&other) noexcept -> basic_memory_buffer & { - FMT_ASSERT(this != &other, ""); - deallocate(); - move(other); - return *this; - } - - // Returns a copy of the allocator associated with this buffer. - auto get_allocator() const -> Allocator { - return alloc_; - } - - /** - Resizes the buffer to contain *count* elements. If T is a POD type new - elements may not be initialized. - */ - FMT_CONSTEXPR20 void resize(size_t count) { - this->try_resize(count); - } - - /** Increases the buffer capacity to *new_capacity*. */ - void reserve(size_t new_capacity) { - this->try_reserve(new_capacity); - } - - // Directly append data into the buffer - using detail::buffer::append; - template - void append(const ContiguousRange &range) { - append(range.data(), range.data() + range.size()); - } + private: + T store_[SIZE]; + + // Don't inherit from Allocator avoid generating type_info for it. + Allocator alloc_; + + // Deallocate memory allocated by the buffer. + FMT_CONSTEXPR20 void deallocate() { + T* data = this->data(); + if (data != store_) alloc_.deallocate(data, this->capacity()); + } + + protected: + FMT_CONSTEXPR20 void grow(size_t size) override; + + public: + using value_type = T; + using const_reference = const T&; + + FMT_CONSTEXPR20 explicit basic_memory_buffer( + const Allocator& alloc = Allocator()) + : alloc_(alloc) { + this->set(store_, SIZE); + if (detail::is_constant_evaluated()) detail::fill_n(store_, SIZE, T()); + } + FMT_CONSTEXPR20 ~basic_memory_buffer() { deallocate(); } + + private: + // Move data from other to this buffer. + FMT_CONSTEXPR20 void move(basic_memory_buffer& other) { + alloc_ = std::move(other.alloc_); + T* data = other.data(); + size_t size = other.size(), capacity = other.capacity(); + if (data == other.store_) { + this->set(store_, capacity); + detail::copy_str(other.store_, other.store_ + size, + detail::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); + other.clear(); + } + this->resize(size); + } + + public: + /** + \rst + Constructs a :class:`fmt::basic_memory_buffer` object moving the content + of the other object to it. + \endrst + */ + FMT_CONSTEXPR20 basic_memory_buffer(basic_memory_buffer&& other) noexcept { + move(other); + } + + /** + \rst + Moves the content of the other ``basic_memory_buffer`` object to this one. + \endrst + */ + auto operator=(basic_memory_buffer&& other) noexcept -> basic_memory_buffer& { + FMT_ASSERT(this != &other, ""); + deallocate(); + move(other); + return *this; + } + + // Returns a copy of the allocator associated with this buffer. + auto get_allocator() const -> Allocator { return alloc_; } + + /** + Resizes the buffer to contain *count* elements. If T is a POD type new + elements may not be initialized. + */ + FMT_CONSTEXPR20 void resize(size_t count) { this->try_resize(count); } + + /** Increases the buffer capacity to *new_capacity*. */ + void reserve(size_t new_capacity) { this->try_reserve(new_capacity); } + + // Directly append data into the buffer + using detail::buffer::append; + template + void append(const ContiguousRange& range) { + append(range.data(), range.data() + range.size()); + } }; -template +template FMT_CONSTEXPR20 void basic_memory_buffer::grow( size_t size) { - detail::abort_fuzzing_if(size > 5000); - const size_t max_size = std::allocator_traits::max_size(alloc_); - size_t old_capacity = this->capacity(); - size_t new_capacity = old_capacity + old_capacity / 2; - if (size > new_capacity) - new_capacity = size; - else if (new_capacity > max_size) - new_capacity = size > max_size ? size : max_size; - T *old_data = this->data(); - T *new_data = - std::allocator_traits::allocate(alloc_, 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(), - detail::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_) alloc_.deallocate(old_data, old_capacity); + detail::abort_fuzzing_if(size > 5000); + const size_t max_size = std::allocator_traits::max_size(alloc_); + size_t old_capacity = this->capacity(); + size_t new_capacity = old_capacity + old_capacity / 2; + if (size > new_capacity) + new_capacity = size; + else if (new_capacity > max_size) + new_capacity = size > max_size ? size : max_size; + T* old_data = this->data(); + T* new_data = + std::allocator_traits::allocate(alloc_, 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(), + detail::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_) alloc_.deallocate(old_data, old_capacity); } using memory_buffer = basic_memory_buffer; -template +template struct is_contiguous> : std::true_type { }; namespace detail { #ifdef _WIN32 -FMT_API bool write_console(std::FILE *f, string_view text); +FMT_API bool write_console(std::FILE* f, string_view text); #endif -FMT_API void print(std::FILE *, string_view); +FMT_API void print(std::FILE*, string_view); } // namespace detail /** 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() noexcept override FMT_MSC_DEFAULT; + 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() noexcept override FMT_MSC_DEFAULT; }; namespace detail_exported { #if FMT_USE_NONTYPE_TEMPLATE_ARGS -template -struct fixed_string { - constexpr fixed_string(const Char (&str)[N]) { - detail::copy_str(static_cast(str), - str + N, data); - } - Char data[N] = {}; +template struct fixed_string { + constexpr fixed_string(const Char (&str)[N]) { + detail::copy_str(static_cast(str), + str + N, data); + } + Char data[N] = {}; }; #endif // Converts a compile-time string to basic_string_view. -template +template constexpr auto compile_string_to_view(const Char (&s)[N]) -> basic_string_view { - // Remove trailing NUL character if needed. Won't be present if this is used - // with a raw character array (i.e. not defined as a string). - return {s, N - (std::char_traits::to_int_type(s[N - 1]) == 0 ? 1 : 0)}; + // Remove trailing NUL character if needed. Won't be present if this is used + // with a raw character array (i.e. not defined as a string). + return {s, N - (std::char_traits::to_int_type(s[N - 1]) == 0 ? 1 : 0)}; } -template +template constexpr auto compile_string_to_view(detail::std_string_view s) -> basic_string_view { - return {s.data(), s.size()}; + return {s.data(), s.size()}; } } // namespace detail_exported FMT_BEGIN_DETAIL_NAMESPACE -template -struct is_integral : std::is_integral {}; -template<> -struct is_integral : std::true_type {}; -template<> -struct is_integral : std::true_type {}; +template struct is_integral : std::is_integral {}; +template <> struct is_integral : std::true_type {}; +template <> struct is_integral : std::true_type {}; -template +template using is_signed = std::integral_constant::is_signed || std::is_same::value>; // Returns true if value is negative, false otherwise. // Same as `value < 0` but doesn't produce warnings if T is an unsigned type. -template::value)> +template ::value)> constexpr auto is_negative(T value) -> bool { - return value < 0; + return value < 0; } -template::value)> +template ::value)> constexpr auto is_negative(T) -> bool { - return false; + return false; } -template +template FMT_CONSTEXPR auto is_supported_floating_point(T) -> bool { - if (std::is_same()) return FMT_USE_FLOAT; - if (std::is_same()) return FMT_USE_DOUBLE; - if (std::is_same()) return FMT_USE_LONG_DOUBLE; - return true; + if (std::is_same()) return FMT_USE_FLOAT; + if (std::is_same()) return FMT_USE_DOUBLE; + if (std::is_same()) return FMT_USE_LONG_DOUBLE; + return true; } // Smallest of uint32_t, uint64_t, uint128_t that is large enough to // represent all values of an integral type T. -template +template using uint32_or_64_or_128_t = conditional_t() <= 32 && !FMT_REDUCE_INT_INSTANTIATIONS, uint32_t, conditional_t() <= 64, uint64_t, uint128_t>>; -template +template using uint64_or_128_t = conditional_t() <= 64, uint64_t, uint128_t>; -#define FMT_POWERS_OF_10(factor) \ - factor * 10, (factor)*100, (factor)*1000, (factor)*10000, (factor)*100000, \ - (factor)*1000000, (factor)*10000000, (factor)*100000000, \ - (factor)*1000000000 +#define FMT_POWERS_OF_10(factor) \ + factor * 10, (factor)*100, (factor)*1000, (factor)*10000, (factor)*100000, \ + (factor)*1000000, (factor)*10000000, (factor)*100000000, \ + (factor)*1000000000 // Converts value in the range [0, 100) to a string. -constexpr const char *digits2(size_t value) { - // GCC generates slightly better code when value is pointer-size. - return &"0001020304050607080910111213141516171819" - "2021222324252627282930313233343536373839" - "4041424344454647484950515253545556575859" - "6061626364656667686970717273747576777879" - "8081828384858687888990919293949596979899"[value * 2]; +constexpr const char* digits2(size_t value) { + // GCC generates slightly better code when value is pointer-size. + return &"0001020304050607080910111213141516171819" + "2021222324252627282930313233343536373839" + "4041424344454647484950515253545556575859" + "6061626364656667686970717273747576777879" + "8081828384858687888990919293949596979899"[value * 2]; } // Sign is a template parameter to workaround a bug in gcc 4.8. -template -constexpr Char sign(Sign s) { +template constexpr Char sign(Sign s) { #if !FMT_GCC_VERSION || FMT_GCC_VERSION >= 604 - static_assert(std::is_same::value, ""); + static_assert(std::is_same::value, ""); #endif - return static_cast("\0-+ "[s]); -} - -template -FMT_CONSTEXPR auto count_digits_fallback(T n) -> int { - 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; - } + return static_cast("\0-+ "[s]); +} + +template FMT_CONSTEXPR auto count_digits_fallback(T n) -> int { + 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; + } } #if FMT_USE_INT128 FMT_CONSTEXPR inline auto count_digits(uint128_opt n) -> int { - return count_digits_fallback(n); + return count_digits_fallback(n); } #endif @@ -1117,20 +1071,20 @@ FMT_CONSTEXPR inline auto count_digits(uint128_opt n) -> int { // It is a separate function rather than a part of count_digits to workaround // the lack of static constexpr in constexpr functions. inline auto do_count_digits(uint64_t n) -> int { - // This has comparable performance to the version by Kendall Willets - // (https://github.com/fmtlib/format-benchmark/blob/master/digits10) - // but uses smaller tables. - // Maps bsr(n) to ceil(log10(pow(2, bsr(n) + 1) - 1)). - static constexpr uint8_t bsr2log10[] = { - 1, 1, 1, 2, 2, 2, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, - 6, 6, 6, 7, 7, 7, 7, 8, 8, 8, 9, 9, 9, 10, 10, 10, - 10, 11, 11, 11, 12, 12, 12, 13, 13, 13, 13, 14, 14, 14, 15, 15, - 15, 16, 16, 16, 16, 17, 17, 17, 18, 18, 18, 19, 19, 19, 19, 20}; - auto t = bsr2log10[FMT_BUILTIN_CLZLL(n | 1) ^ 63]; - static constexpr const uint64_t zero_or_powers_of_10[] = { - 0, 0, FMT_POWERS_OF_10(1U), FMT_POWERS_OF_10(1000000000ULL), - 10000000000000000000ULL}; - return t - (n < zero_or_powers_of_10[t]); + // This has comparable performance to the version by Kendall Willets + // (https://github.com/fmtlib/format-benchmark/blob/master/digits10) + // but uses smaller tables. + // Maps bsr(n) to ceil(log10(pow(2, bsr(n) + 1) - 1)). + static constexpr uint8_t bsr2log10[] = { + 1, 1, 1, 2, 2, 2, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, + 6, 6, 6, 7, 7, 7, 7, 8, 8, 8, 9, 9, 9, 10, 10, 10, + 10, 11, 11, 11, 12, 12, 12, 13, 13, 13, 13, 14, 14, 14, 15, 15, + 15, 16, 16, 16, 16, 17, 17, 17, 18, 18, 18, 19, 19, 19, 19, 20}; + auto t = bsr2log10[FMT_BUILTIN_CLZLL(n | 1) ^ 63]; + static constexpr const uint64_t zero_or_powers_of_10[] = { + 0, 0, FMT_POWERS_OF_10(1U), FMT_POWERS_OF_10(1000000000ULL), + 10000000000000000000ULL}; + return t - (n < zero_or_powers_of_10[t]); } #endif @@ -1138,28 +1092,28 @@ inline auto do_count_digits(uint64_t n) -> int { // except for n == 0 in which case count_digits returns 1. FMT_CONSTEXPR20 inline auto count_digits(uint64_t n) -> int { #ifdef FMT_BUILTIN_CLZLL - if (!is_constant_evaluated()) { - return do_count_digits(n); - } + if (!is_constant_evaluated()) { + return do_count_digits(n); + } #endif - return count_digits_fallback(n); + return count_digits_fallback(n); } // Counts the number of digits in n. BITS = log2(radix). -template +template FMT_CONSTEXPR auto count_digits(UInt n) -> int { #ifdef FMT_BUILTIN_CLZ - if (!is_constant_evaluated() && num_bits() == 32) - return (FMT_BUILTIN_CLZ(static_cast(n) | 1) ^ 31) / BITS + 1; + if (!is_constant_evaluated() && num_bits() == 32) + return (FMT_BUILTIN_CLZ(static_cast(n) | 1) ^ 31) / BITS + 1; #endif - // Lambda avoids unreachable code warnings from NVHPC. - return [](UInt m) { - int num_digits = 0; - do { - ++num_digits; - } while ((m >>= BITS) != 0); - return num_digits; - }(n); + // Lambda avoids unreachable code warnings from NVHPC. + return [](UInt m) { + int num_digits = 0; + do { + ++num_digits; + } while ((m >>= BITS) != 0); + return num_digits; + }(n); } #ifdef FMT_BUILTIN_CLZ @@ -1168,516 +1122,422 @@ FMT_CONSTEXPR auto count_digits(UInt n) -> int { FMT_INLINE auto do_count_digits(uint32_t n) -> int { // An optimization by Kendall Willets from https://bit.ly/3uOIQrB. // This increments the upper 32 bits (log10(T) - 1) when >= T is added. -#define FMT_INC(T) (((sizeof(#T) - 1ull) << 32) - T) - static constexpr uint64_t table[] = { - FMT_INC(0), FMT_INC(0), FMT_INC(0), // 8 - FMT_INC(10), FMT_INC(10), FMT_INC(10), // 64 - FMT_INC(100), FMT_INC(100), FMT_INC(100), // 512 - FMT_INC(1000), FMT_INC(1000), FMT_INC(1000), // 4096 - FMT_INC(10000), FMT_INC(10000), FMT_INC(10000), // 32k - FMT_INC(100000), FMT_INC(100000), FMT_INC(100000), // 256k - FMT_INC(1000000), FMT_INC(1000000), FMT_INC(1000000), // 2048k - FMT_INC(10000000), FMT_INC(10000000), FMT_INC(10000000), // 16M - FMT_INC(100000000), FMT_INC(100000000), FMT_INC(100000000), // 128M - FMT_INC(1000000000), FMT_INC(1000000000), FMT_INC(1000000000), // 1024M - FMT_INC(1000000000), FMT_INC(1000000000) // 4B - }; - auto inc = table[FMT_BUILTIN_CLZ(n | 1) ^ 31]; - return static_cast((n + inc) >> 32); +# define FMT_INC(T) (((sizeof(# T) - 1ull) << 32) - T) + static constexpr uint64_t table[] = { + FMT_INC(0), FMT_INC(0), FMT_INC(0), // 8 + FMT_INC(10), FMT_INC(10), FMT_INC(10), // 64 + FMT_INC(100), FMT_INC(100), FMT_INC(100), // 512 + FMT_INC(1000), FMT_INC(1000), FMT_INC(1000), // 4096 + FMT_INC(10000), FMT_INC(10000), FMT_INC(10000), // 32k + FMT_INC(100000), FMT_INC(100000), FMT_INC(100000), // 256k + FMT_INC(1000000), FMT_INC(1000000), FMT_INC(1000000), // 2048k + FMT_INC(10000000), FMT_INC(10000000), FMT_INC(10000000), // 16M + FMT_INC(100000000), FMT_INC(100000000), FMT_INC(100000000), // 128M + FMT_INC(1000000000), FMT_INC(1000000000), FMT_INC(1000000000), // 1024M + FMT_INC(1000000000), FMT_INC(1000000000) // 4B + }; + auto inc = table[FMT_BUILTIN_CLZ(n | 1) ^ 31]; + return static_cast((n + inc) >> 32); } #endif // Optional version of count_digits for better performance on 32-bit platforms. FMT_CONSTEXPR20 inline auto count_digits(uint32_t n) -> int { #ifdef FMT_BUILTIN_CLZ - if (!is_constant_evaluated()) { - return do_count_digits(n); - } + if (!is_constant_evaluated()) { + return do_count_digits(n); + } #endif - return count_digits_fallback(n); + return count_digits_fallback(n); } -template -constexpr auto digits10() noexcept -> int { - return std::numeric_limits::digits10; -} -template<> -constexpr auto digits10() noexcept -> int { - return 38; -} -template<> -constexpr auto digits10() noexcept -> int { - return 38; +template constexpr auto digits10() noexcept -> int { + return std::numeric_limits::digits10; } +template <> constexpr auto digits10() noexcept -> int { return 38; } +template <> constexpr auto digits10() noexcept -> int { return 38; } -template -struct thousands_sep_result { - std::string grouping; - Char thousands_sep; +template struct thousands_sep_result { + std::string grouping; + Char thousands_sep; }; -template +template FMT_API auto thousands_sep_impl(locale_ref loc) -> thousands_sep_result; -template +template inline auto thousands_sep(locale_ref loc) -> thousands_sep_result { - auto result = thousands_sep_impl(loc); - return {result.grouping, Char(result.thousands_sep)}; + auto result = thousands_sep_impl(loc); + return {result.grouping, Char(result.thousands_sep)}; } -template<> +template <> inline auto thousands_sep(locale_ref loc) -> thousands_sep_result { - return thousands_sep_impl(loc); + return thousands_sep_impl(loc); } -template +template FMT_API auto decimal_point_impl(locale_ref loc) -> Char; -template -inline auto decimal_point(locale_ref loc) -> Char { - return Char(decimal_point_impl(loc)); +template inline auto decimal_point(locale_ref loc) -> Char { + return Char(decimal_point_impl(loc)); } -template<> -inline auto decimal_point(locale_ref loc) -> wchar_t { - return decimal_point_impl(loc); +template <> inline auto decimal_point(locale_ref loc) -> wchar_t { + return decimal_point_impl(loc); } // Compares two characters for equality. -template -auto equal2(const Char *lhs, const char *rhs) -> bool { - return lhs[0] == Char(rhs[0]) && lhs[1] == Char(rhs[1]); +template auto equal2(const Char* lhs, const char* rhs) -> bool { + return lhs[0] == Char(rhs[0]) && lhs[1] == Char(rhs[1]); } -inline auto equal2(const char *lhs, const char *rhs) -> bool { - return memcmp(lhs, rhs, 2) == 0; +inline auto equal2(const char* lhs, const char* rhs) -> bool { + return memcmp(lhs, rhs, 2) == 0; } // Copies two characters from src to dst. -template -FMT_CONSTEXPR20 FMT_INLINE void copy2(Char *dst, const char *src) { - if (!is_constant_evaluated() && sizeof(Char) == sizeof(char)) { - memcpy(dst, src, 2); - return; - } - *dst++ = static_cast(*src++); - *dst = static_cast(*src); -} - -template -struct format_decimal_result { - Iterator begin; - Iterator end; +template +FMT_CONSTEXPR20 FMT_INLINE void copy2(Char* dst, const char* src) { + if (!is_constant_evaluated() && sizeof(Char) == sizeof(char)) { + memcpy(dst, src, 2); + return; + } + *dst++ = static_cast(*src++); + *dst = static_cast(*src); +} + +template struct format_decimal_result { + Iterator begin; + Iterator end; }; // Formats a decimal unsigned integer value writing into out pointing to a // buffer of specified size. The caller must ensure that the buffer is large // enough. -template -FMT_CONSTEXPR20 auto format_decimal(Char *out, UInt value, int size) - -> format_decimal_result { - FMT_ASSERT(size >= count_digits(value), "invalid digit count"); - out += size; - Char *end = out; - 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. - out -= 2; - copy2(out, digits2(static_cast(value % 100))); - value /= 100; - } - if (value < 10) { - *--out = static_cast('0' + value); - return {out, end}; - } +template +FMT_CONSTEXPR20 auto format_decimal(Char* out, UInt value, int size) + -> format_decimal_result { + FMT_ASSERT(size >= count_digits(value), "invalid digit count"); + out += size; + Char* end = out; + 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. out -= 2; - copy2(out, digits2(static_cast(value))); + copy2(out, digits2(static_cast(value % 100))); + value /= 100; + } + if (value < 10) { + *--out = static_cast('0' + value); return {out, end}; + } + out -= 2; + copy2(out, digits2(static_cast(value))); + return {out, end}; } -template>::value)> +template >::value)> FMT_CONSTEXPR inline auto format_decimal(Iterator out, UInt value, int size) -> format_decimal_result { - // Buffer is large enough to hold all digits (digits10 + 1). - Char buffer[digits10() + 1]; - auto end = format_decimal(buffer, value, size).end; - return {out, detail::copy_str_noinline(buffer, end, out)}; -} - -template -FMT_CONSTEXPR auto format_uint(Char *buffer, UInt value, int num_digits, - bool upper = false) -> Char * { - buffer += num_digits; - Char *end = buffer; - do { - const char *digits = upper ? "0123456789ABCDEF" : "0123456789abcdef"; - unsigned digit = static_cast(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 + // Buffer is large enough to hold all digits (digits10 + 1). + Char buffer[digits10() + 1]; + auto end = format_decimal(buffer, value, size).end; + return {out, detail::copy_str_noinline(buffer, end, out)}; +} + +template +FMT_CONSTEXPR auto format_uint(Char* buffer, UInt value, int num_digits, + bool upper = false) -> Char* { + buffer += num_digits; + Char* end = buffer; + do { + const char* digits = upper ? "0123456789ABCDEF" : "0123456789abcdef"; + unsigned digit = static_cast(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 inline auto format_uint(It out, UInt value, int num_digits, bool upper = false) -> It { - if (auto ptr = to_pointer(out, to_unsigned(num_digits))) { - format_uint(ptr, value, num_digits, upper); - return out; - } - // 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 detail::copy_str_noinline(buffer, buffer + num_digits, out); + if (auto ptr = to_pointer(out, to_unsigned(num_digits))) { + format_uint(ptr, value, num_digits, upper); + return out; + } + // 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 detail::copy_str_noinline(buffer, buffer + num_digits, out); } // A converter from UTF-8 to UTF-16. class utf8_to_utf16 { -private: - basic_memory_buffer buffer_; - -public: - FMT_API explicit utf8_to_utf16(string_view s); - operator basic_string_view() const { - return {&buffer_[0], size()}; - } - auto size() const -> size_t { - return buffer_.size() - 1; - } - auto c_str() const -> const wchar_t * { - return &buffer_[0]; - } - auto str() const -> std::wstring { - return {&buffer_[0], size()}; - } + private: + basic_memory_buffer buffer_; + + public: + FMT_API explicit utf8_to_utf16(string_view s); + operator basic_string_view() const { return {&buffer_[0], size()}; } + auto size() const -> size_t { return buffer_.size() - 1; } + auto c_str() const -> const wchar_t* { return &buffer_[0]; } + auto str() const -> std::wstring { return {&buffer_[0], size()}; } }; namespace dragonbox { // Type-specific information that Dragonbox uses. -template -struct float_info; - -template<> -struct float_info { - using carrier_uint = uint32_t; - static const int exponent_bits = 8; - static const int kappa = 1; - static const int big_divisor = 100; - static const int small_divisor = 10; - static const int min_k = -31; - static const int max_k = 46; - static const int shorter_interval_tie_lower_threshold = -35; - static const int shorter_interval_tie_upper_threshold = -35; +template struct float_info; + +template <> struct float_info { + using carrier_uint = uint32_t; + static const int exponent_bits = 8; + static const int kappa = 1; + static const int big_divisor = 100; + static const int small_divisor = 10; + static const int min_k = -31; + static const int max_k = 46; + static const int shorter_interval_tie_lower_threshold = -35; + static const int shorter_interval_tie_upper_threshold = -35; }; -template<> -struct float_info { - using carrier_uint = uint64_t; - static const int exponent_bits = 11; - static const int kappa = 2; - static const int big_divisor = 1000; - static const int small_divisor = 100; - static const int min_k = -292; - static const int max_k = 326; - static const int shorter_interval_tie_lower_threshold = -77; - static const int shorter_interval_tie_upper_threshold = -77; +template <> struct float_info { + using carrier_uint = uint64_t; + static const int exponent_bits = 11; + static const int kappa = 2; + static const int big_divisor = 1000; + static const int small_divisor = 100; + static const int min_k = -292; + static const int max_k = 326; + static const int shorter_interval_tie_lower_threshold = -77; + static const int shorter_interval_tie_upper_threshold = -77; }; // An 80- or 128-bit floating point number. -template +template struct float_info::digits == 64 || std::numeric_limits::digits == 113 || is_float128::value>> { - using carrier_uint = detail::uint128_t; - static const int exponent_bits = 15; + using carrier_uint = detail::uint128_t; + static const int exponent_bits = 15; }; // A double-double floating point number. -template +template struct float_info::value>> { - using carrier_uint = detail::uint128_t; + using carrier_uint = detail::uint128_t; }; -template -struct decimal_fp { - using significand_type = typename float_info::carrier_uint; - significand_type significand; - int exponent; +template struct decimal_fp { + using significand_type = typename float_info::carrier_uint; + significand_type significand; + int exponent; }; -template -FMT_API auto to_decimal(T x) noexcept -> decimal_fp; +template FMT_API auto to_decimal(T x) noexcept -> decimal_fp; } // namespace dragonbox // Returns true iff Float has the implicit bit which is not stored. -template -constexpr bool has_implicit_bit() { - // An 80-bit FP number has a 64-bit significand an no implicit bit. - return std::numeric_limits::digits != 64; +template constexpr bool has_implicit_bit() { + // An 80-bit FP number has a 64-bit significand an no implicit bit. + return std::numeric_limits::digits != 64; } // Returns the number of significand bits stored in Float. The implicit bit is // not counted since it is not stored. -template -constexpr int num_significand_bits() { - // std::numeric_limits may not support __float128. - return is_float128() ? 112 : (std::numeric_limits::digits - (has_implicit_bit() ? 1 : 0)); +template constexpr int num_significand_bits() { + // std::numeric_limits may not support __float128. + return is_float128() ? 112 + : (std::numeric_limits::digits - + (has_implicit_bit() ? 1 : 0)); } -template +template constexpr auto exponent_mask() -> typename dragonbox::float_info::carrier_uint { - using uint = typename dragonbox::float_info::carrier_uint; - return ((uint(1) << dragonbox::float_info::exponent_bits) - 1) - << num_significand_bits(); + using uint = typename dragonbox::float_info::carrier_uint; + return ((uint(1) << dragonbox::float_info::exponent_bits) - 1) + << num_significand_bits(); } -template -constexpr auto exponent_bias() -> int { - // std::numeric_limits may not support __float128. - return is_float128() ? 16383 : std::numeric_limits::max_exponent - 1; +template constexpr auto exponent_bias() -> int { + // std::numeric_limits may not support __float128. + return is_float128() ? 16383 + : std::numeric_limits::max_exponent - 1; } // Writes the exponent exp in the form "[+-]d{2,3}" to buffer. -template +template FMT_CONSTEXPR auto write_exponent(int exp, It 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 = digits2(to_unsigned(exp / 100)); - if (exp >= 1000) *it++ = static_cast(top[0]); - *it++ = static_cast(top[1]); - exp %= 100; - } - const char *d = digits2(to_unsigned(exp)); - *it++ = static_cast(d[0]); - *it++ = static_cast(d[1]); - return 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 = digits2(to_unsigned(exp / 100)); + if (exp >= 1000) *it++ = static_cast(top[0]); + *it++ = static_cast(top[1]); + exp %= 100; + } + const char* d = digits2(to_unsigned(exp)); + *it++ = static_cast(d[0]); + *it++ = static_cast(d[1]); + return it; } // A floating-point number f * pow(2, e) where F is an unsigned type. -template -struct basic_fp { - F f; - int e; - - static constexpr const int num_significand_bits = - static_cast(sizeof(F) * num_bits()); - - constexpr basic_fp() - : f(0), e(0) { - } - constexpr basic_fp(uint64_t f_val, int e_val) - : f(f_val), e(e_val) { - } - - // Constructs fp from an IEEE754 floating-point number. - template - FMT_CONSTEXPR basic_fp(Float n) { - assign(n); - } - - // Assigns n to this and return true iff predecessor is closer than successor. - template::value)> - FMT_CONSTEXPR auto assign(Float n) -> bool { - static_assert(std::numeric_limits::digits <= 113, "unsupported FP"); - // Assume Float is in the format [sign][exponent][significand]. - using carrier_uint = typename dragonbox::float_info::carrier_uint; - const auto num_float_significand_bits = - detail::num_significand_bits(); - const auto implicit_bit = carrier_uint(1) << num_float_significand_bits; - const auto significand_mask = implicit_bit - 1; - auto u = bit_cast(n); - f = static_cast(u & significand_mask); - auto biased_e = static_cast((u & exponent_mask()) >> - num_float_significand_bits); - // The predecessor is closer if n is a normalized power of 2 (f == 0) - // other than the smallest normalized number (biased_e > 1). - auto is_predecessor_closer = f == 0 && biased_e > 1; - if (biased_e == 0) - biased_e = 1; // Subnormals use biased exponent 1 (min exponent). - else if (has_implicit_bit()) - f += static_cast(implicit_bit); - e = biased_e - exponent_bias() - num_float_significand_bits; - if (!has_implicit_bit()) ++e; - return is_predecessor_closer; - } - - template::value)> - FMT_CONSTEXPR auto assign(Float n) -> bool { - static_assert(std::numeric_limits::is_iec559, "unsupported FP"); - return assign(static_cast(n)); - } +template struct basic_fp { + F f; + int e; + + static constexpr const int num_significand_bits = + static_cast(sizeof(F) * num_bits()); + + constexpr basic_fp() : f(0), e(0) {} + constexpr basic_fp(uint64_t f_val, int e_val) : f(f_val), e(e_val) {} + + // Constructs fp from an IEEE754 floating-point number. + template FMT_CONSTEXPR basic_fp(Float n) { assign(n); } + + // Assigns n to this and return true iff predecessor is closer than successor. + template ::value)> + FMT_CONSTEXPR auto assign(Float n) -> bool { + static_assert(std::numeric_limits::digits <= 113, "unsupported FP"); + // Assume Float is in the format [sign][exponent][significand]. + using carrier_uint = typename dragonbox::float_info::carrier_uint; + const auto num_float_significand_bits = + detail::num_significand_bits(); + const auto implicit_bit = carrier_uint(1) << num_float_significand_bits; + const auto significand_mask = implicit_bit - 1; + auto u = bit_cast(n); + f = static_cast(u & significand_mask); + auto biased_e = static_cast((u & exponent_mask()) >> + num_float_significand_bits); + // The predecessor is closer if n is a normalized power of 2 (f == 0) + // other than the smallest normalized number (biased_e > 1). + auto is_predecessor_closer = f == 0 && biased_e > 1; + if (biased_e == 0) + biased_e = 1; // Subnormals use biased exponent 1 (min exponent). + else if (has_implicit_bit()) + f += static_cast(implicit_bit); + e = biased_e - exponent_bias() - num_float_significand_bits; + if (!has_implicit_bit()) ++e; + return is_predecessor_closer; + } + + template ::value)> + FMT_CONSTEXPR auto assign(Float n) -> bool { + static_assert(std::numeric_limits::is_iec559, "unsupported FP"); + return assign(static_cast(n)); + } }; using fp = basic_fp; // Normalizes the value converted from double and multiplied by (1 << SHIFT). -template +template FMT_CONSTEXPR basic_fp normalize(basic_fp value) { - // Handle subnormals. - const auto implicit_bit = F(1) << num_significand_bits(); - const auto shifted_implicit_bit = 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 = basic_fp::num_significand_bits - - num_significand_bits() - SHIFT - 1; - value.f <<= offset; - value.e -= offset; - return value; + // Handle subnormals. + const auto implicit_bit = F(1) << num_significand_bits(); + const auto shifted_implicit_bit = 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 = basic_fp::num_significand_bits - + num_significand_bits() - SHIFT - 1; + value.f <<= offset; + value.e -= offset; + return value; } // Computes lhs * rhs / pow(2, 64) rounded to nearest with half-up tie breaking. FMT_CONSTEXPR 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; + 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); + // 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 } FMT_CONSTEXPR inline fp operator*(fp x, fp y) { - return {multiply(x.f, y.f), x.e + y.e + 64}; -} - -template -struct basic_data { - // Normalized 64-bit significands of pow(10, k), for k = -348, -340, ..., 340. - // These are generated by support/compute-powers.py. - static constexpr uint64_t pow10_significands[87] = { - 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, - }; + return {multiply(x.f, y.f), x.e + y.e + 64}; +} + +template struct basic_data { + // Normalized 64-bit significands of pow(10, k), for k = -348, -340, ..., 340. + // These are generated by support/compute-powers.py. + static constexpr uint64_t pow10_significands[87] = { + 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, + }; #if FMT_GCC_VERSION && FMT_GCC_VERSION < 409 -#pragma GCC diagnostic push -#pragma GCC diagnostic ignored "-Wnarrowing" +# pragma GCC diagnostic push +# pragma GCC diagnostic ignored "-Wnarrowing" #endif - // Binary exponents of pow(10, k), for k = -348, -340, ..., 340, corresponding - // to significands above. - static constexpr int16_t pow10_exponents[87] = { - -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}; + // Binary exponents of pow(10, k), for k = -348, -340, ..., 340, corresponding + // to significands above. + static constexpr int16_t pow10_exponents[87] = { + -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}; #if FMT_GCC_VERSION && FMT_GCC_VERSION < 409 -#pragma GCC diagnostic pop +# pragma GCC diagnostic pop #endif - static constexpr uint64_t power_of_10_64[20] = { - 1, FMT_POWERS_OF_10(1ULL), FMT_POWERS_OF_10(1000000000ULL), - 10000000000000000000ULL}; + static constexpr uint64_t power_of_10_64[20] = { + 1, FMT_POWERS_OF_10(1ULL), FMT_POWERS_OF_10(1000000000ULL), + 10000000000000000000ULL}; }; #if FMT_CPLUSPLUS < 201703L -template -constexpr uint64_t basic_data::pow10_significands[]; -template -constexpr int16_t basic_data::pow10_exponents[]; -template -constexpr uint64_t basic_data::power_of_10_64[]; +template constexpr uint64_t basic_data::pow10_significands[]; +template constexpr int16_t basic_data::pow10_exponents[]; +template constexpr uint64_t basic_data::power_of_10_64[]; #endif // This is a struct rather than an alias to avoid shadowing warnings in gcc. @@ -1686,216 +1546,218 @@ struct data : basic_data<> {}; // 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`. FMT_CONSTEXPR inline fp get_cached_power(int min_exponent, - int &pow10_exponent) { - const int shift = 32; - // log10(2) = 0x0.4d104d427de7fbcc... - const int64_t significand = 0x4d104d427de7fbcc; - int index = static_cast( - ((min_exponent + fp::num_significand_bits - 1) * (significand >> shift) + - ((int64_t(1) << shift) - 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; - // Using *(x + index) instead of x[index] avoids an issue with some compilers - // using the EDG frontend (e.g. nvhpc/22.3 in C++17 mode). - return {*(data::pow10_significands + index), - *(data::pow10_exponents + index)}; + int& pow10_exponent) { + const int shift = 32; + // log10(2) = 0x0.4d104d427de7fbcc... + const int64_t significand = 0x4d104d427de7fbcc; + int index = static_cast( + ((min_exponent + fp::num_significand_bits - 1) * (significand >> shift) + + ((int64_t(1) << shift) - 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; + // Using *(x + index) instead of x[index] avoids an issue with some compilers + // using the EDG frontend (e.g. nvhpc/22.3 in C++17 mode). + return {*(data::pow10_significands + index), + *(data::pow10_exponents + index)}; } #ifndef _MSC_VER -#define FMT_SNPRINTF snprintf +# define FMT_SNPRINTF snprintf #else -FMT_API auto fmt_snprintf(char *buf, size_t size, const char *fmt, ...) -> int; -#define FMT_SNPRINTF fmt_snprintf +FMT_API auto fmt_snprintf(char* buf, size_t size, const char* fmt, ...) -> int; +# define FMT_SNPRINTF fmt_snprintf #endif // _MSC_VER // Formats a floating-point number with snprintf using the hexfloat format. -template +template auto snprintf_float(T value, int precision, float_specs specs, - buffer &buf) -> int { - // Buffer capacity must be non-zero, otherwise MSVC's vsnprintf_s will fail. - FMT_ASSERT(buf.capacity() > buf.size(), "empty buffer"); - FMT_ASSERT(specs.format == float_format::hex, ""); - static_assert(!std::is_same::value, ""); - - // Build the format string. - char format[7]; // The longest format is "%#.*Le". - char *format_ptr = format; - *format_ptr++ = '%'; - if (specs.showpoint) *format_ptr++ = '#'; - if (precision >= 0) { - *format_ptr++ = '.'; - *format_ptr++ = '*'; - } - if (std::is_same()) *format_ptr++ = 'L'; - *format_ptr++ = 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; - abort_fuzzing_if(precision > 100000); - // Suppress the warning about a nonliteral format string. - // Cannot use auto because 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) { - // The buffer will grow exponentially. - buf.try_reserve(buf.capacity() + 1); - continue; - } - auto size = to_unsigned(result); - // Size equal to capacity means that the last character was truncated. - if (size < capacity) { - buf.try_resize(size + offset); - return 0; - } - buf.try_reserve(size + offset + 1); // Add 1 for the terminating '\0'. - } -} - -template + buffer& buf) -> int { + // Buffer capacity must be non-zero, otherwise MSVC's vsnprintf_s will fail. + FMT_ASSERT(buf.capacity() > buf.size(), "empty buffer"); + FMT_ASSERT(specs.format == float_format::hex, ""); + static_assert(!std::is_same::value, ""); + + // Build the format string. + char format[7]; // The longest format is "%#.*Le". + char* format_ptr = format; + *format_ptr++ = '%'; + if (specs.showpoint) *format_ptr++ = '#'; + if (precision >= 0) { + *format_ptr++ = '.'; + *format_ptr++ = '*'; + } + if (std::is_same()) *format_ptr++ = 'L'; + *format_ptr++ = 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; + abort_fuzzing_if(precision > 100000); + // Suppress the warning about a nonliteral format string. + // Cannot use auto because 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) { + // The buffer will grow exponentially. + buf.try_reserve(buf.capacity() + 1); + continue; + } + auto size = to_unsigned(result); + // Size equal to capacity means that the last character was truncated. + if (size < capacity) { + buf.try_resize(size + offset); + return 0; + } + buf.try_reserve(size + offset + 1); // Add 1 for the terminating '\0'. + } +} + +template using convert_float_result = conditional_t::value || sizeof(T) == sizeof(double), double, T>; -template +template constexpr auto convert_float(T value) -> convert_float_result { - return static_cast>(value); + return static_cast>(value); } -template +template FMT_NOINLINE FMT_CONSTEXPR auto fill(OutputIt it, size_t n, - const fill_t &fill) -> OutputIt { - auto fill_size = fill.size(); - if (fill_size == 1) return detail::fill_n(it, n, fill[0]); - auto data = fill.data(); - for (size_t i = 0; i < n; ++i) - it = copy_str(data, data + fill_size, it); - return it; + const fill_t& fill) -> OutputIt { + auto fill_size = fill.size(); + if (fill_size == 1) return detail::fill_n(it, n, fill[0]); + auto data = fill.data(); + for (size_t i = 0; i < n; ++i) + it = copy_str(data, data + fill_size, it); + return it; } // Writes the output of f, padded according to format specifications in specs. // size: output size in code units. // width: output display width in (terminal) column positions. -template +template FMT_CONSTEXPR auto write_padded(OutputIt out, - const basic_format_specs &specs, - size_t size, size_t width, F &&f) -> OutputIt { - static_assert(align == align::left || align == align::right, ""); - unsigned spec_width = to_unsigned(specs.width); - size_t padding = spec_width > width ? spec_width - width : 0; - // Shifts are encoded as string literals because static constexpr is not - // supported in constexpr functions. - auto *shifts = align == align::left ? "\x1f\x1f\x00\x01" : "\x00\x1f\x00\x01"; - size_t left_padding = padding >> shifts[specs.align]; - size_t right_padding = padding - left_padding; - auto it = reserve(out, size + padding * specs.fill.size()); - if (left_padding != 0) it = fill(it, left_padding, specs.fill); - it = f(it); - if (right_padding != 0) it = fill(it, right_padding, specs.fill); - return base_iterator(out, it); -} - -template -constexpr auto write_padded(OutputIt out, const basic_format_specs &specs, - size_t size, F &&f) -> OutputIt { - return write_padded(out, specs, size, size, f); -} - -template + const basic_format_specs& specs, + size_t size, size_t width, F&& f) -> OutputIt { + static_assert(align == align::left || align == align::right, ""); + unsigned spec_width = to_unsigned(specs.width); + size_t padding = spec_width > width ? spec_width - width : 0; + // Shifts are encoded as string literals because static constexpr is not + // supported in constexpr functions. + auto* shifts = align == align::left ? "\x1f\x1f\x00\x01" : "\x00\x1f\x00\x01"; + size_t left_padding = padding >> shifts[specs.align]; + size_t right_padding = padding - left_padding; + auto it = reserve(out, size + padding * specs.fill.size()); + if (left_padding != 0) it = fill(it, left_padding, specs.fill); + it = f(it); + if (right_padding != 0) it = fill(it, right_padding, specs.fill); + return base_iterator(out, it); +} + +template +constexpr auto write_padded(OutputIt out, const basic_format_specs& specs, + size_t size, F&& f) -> OutputIt { + return write_padded(out, specs, size, size, f); +} + +template FMT_CONSTEXPR auto write_bytes(OutputIt out, string_view bytes, - const basic_format_specs &specs) + const basic_format_specs& specs) -> OutputIt { - return write_padded( - out, specs, bytes.size(), [bytes](reserve_iterator it) { - const char *data = bytes.data(); - return copy_str(data, data + bytes.size(), it); - }); + return write_padded( + out, specs, bytes.size(), [bytes](reserve_iterator it) { + const char* data = bytes.data(); + return copy_str(data, data + bytes.size(), it); + }); } -template +template auto write_ptr(OutputIt out, UIntPtr value, - const basic_format_specs *specs) -> OutputIt { - int num_digits = count_digits<4>(value); - auto size = to_unsigned(num_digits) + size_t(2); - auto write = [=](reserve_iterator it) { - *it++ = static_cast('0'); - *it++ = static_cast('x'); - return format_uint<4, Char>(it, value, num_digits); - }; - return specs ? write_padded(out, *specs, size, write) : base_iterator(out, write(reserve(out, size))); + const basic_format_specs* specs) -> OutputIt { + int num_digits = count_digits<4>(value); + auto size = to_unsigned(num_digits) + size_t(2); + auto write = [=](reserve_iterator it) { + *it++ = static_cast('0'); + *it++ = static_cast('x'); + return format_uint<4, Char>(it, value, num_digits); + }; + return specs ? write_padded(out, *specs, size, write) + : base_iterator(out, write(reserve(out, size))); } // Returns true iff the code point cp is printable. FMT_API auto is_printable(uint32_t cp) -> bool; inline auto needs_escape(uint32_t cp) -> bool { - return cp < 0x20 || cp == 0x7f || cp == '"' || cp == '\\' || - !is_printable(cp); + return cp < 0x20 || cp == 0x7f || cp == '"' || cp == '\\' || + !is_printable(cp); } -template -struct find_escape_result { - const Char *begin; - const Char *end; - uint32_t cp; +template struct find_escape_result { + const Char* begin; + const Char* end; + uint32_t cp; }; -template +template using make_unsigned_char = typename conditional_t::value, std::make_unsigned, type_identity>::type; -template -auto find_escape(const Char *begin, const Char *end) +template +auto find_escape(const Char* begin, const Char* end) -> find_escape_result { - for (; begin != end; ++begin) { - uint32_t cp = static_cast>(*begin); - if (const_check(sizeof(Char) == 1) && cp >= 0x80) continue; - if (needs_escape(cp)) return {begin, begin + 1, cp}; - } - return {begin, nullptr, 0}; + for (; begin != end; ++begin) { + uint32_t cp = static_cast>(*begin); + if (const_check(sizeof(Char) == 1) && cp >= 0x80) continue; + if (needs_escape(cp)) return {begin, begin + 1, cp}; + } + return {begin, nullptr, 0}; } -inline auto find_escape(const char *begin, const char *end) +inline auto find_escape(const char* begin, const char* end) -> find_escape_result { - if (!is_utf8()) return find_escape(begin, end); - auto result = find_escape_result{end, nullptr, 0}; - for_each_codepoint(string_view(begin, to_unsigned(end - begin)), - [&](uint32_t cp, string_view sv) { - if (needs_escape(cp)) { - result = {sv.begin(), sv.end(), cp}; - return false; - } - return true; - }); - return result; -} - -#define FMT_STRING_IMPL(s, base, explicit) \ - [] { \ - /* Use the hidden visibility as a workaround for a GCC bug (#1973). */ \ - /* Use a macro-like name to avoid shadowing warnings. */ \ - struct FMT_GCC_VISIBILITY_HIDDEN FMT_COMPILE_STRING : base { \ - using char_type FMT_MAYBE_UNUSED = fmt::remove_cvref_t; \ - FMT_MAYBE_UNUSED FMT_CONSTEXPR explicit \ - operator fmt::basic_string_view() const { \ - return fmt::detail_exported::compile_string_to_view(s); \ - } \ - }; \ - return FMT_COMPILE_STRING(); \ - }() + if (!is_utf8()) return find_escape(begin, end); + auto result = find_escape_result{end, nullptr, 0}; + for_each_codepoint(string_view(begin, to_unsigned(end - begin)), + [&](uint32_t cp, string_view sv) { + if (needs_escape(cp)) { + result = {sv.begin(), sv.end(), cp}; + return false; + } + return true; + }); + return result; +} + +#define FMT_STRING_IMPL(s, base, explicit) \ + [] { \ + /* Use the hidden visibility as a workaround for a GCC bug (#1973). */ \ + /* Use a macro-like name to avoid shadowing warnings. */ \ + struct FMT_GCC_VISIBILITY_HIDDEN FMT_COMPILE_STRING : base { \ + using char_type FMT_MAYBE_UNUSED = fmt::remove_cvref_t; \ + FMT_MAYBE_UNUSED FMT_CONSTEXPR explicit \ + operator fmt::basic_string_view() const { \ + return fmt::detail_exported::compile_string_to_view(s); \ + } \ + }; \ + return FMT_COMPILE_STRING(); \ + }() /** \rst @@ -1909,787 +1771,765 @@ inline auto find_escape(const char *begin, const char *end) */ #define FMT_STRING(s) FMT_STRING_IMPL(s, fmt::detail::compile_string, ) -template +template auto write_codepoint(OutputIt out, char prefix, uint32_t cp) -> OutputIt { - *out++ = static_cast('\\'); - *out++ = static_cast(prefix); - Char buf[width]; - fill_n(buf, width, static_cast('0')); - format_uint<4>(buf, cp, width); - return copy_str(buf, buf + width, out); + *out++ = static_cast('\\'); + *out++ = static_cast(prefix); + Char buf[width]; + fill_n(buf, width, static_cast('0')); + format_uint<4>(buf, cp, width); + return copy_str(buf, buf + width, out); } -template -auto write_escaped_cp(OutputIt out, const find_escape_result &escape) +template +auto write_escaped_cp(OutputIt out, const find_escape_result& escape) -> OutputIt { - auto c = static_cast(escape.cp); - switch (escape.cp) { - case '\n': - *out++ = static_cast('\\'); - c = static_cast('n'); - break; - case '\r': - *out++ = static_cast('\\'); - c = static_cast('r'); - break; - case '\t': - *out++ = static_cast('\\'); - c = static_cast('t'); - break; - case '"': - FMT_FALLTHROUGH; - case '\'': - FMT_FALLTHROUGH; - case '\\': - *out++ = static_cast('\\'); - break; - default: - if (is_utf8()) { - if (escape.cp < 0x100) { - return write_codepoint<2, Char>(out, 'x', escape.cp); - } - if (escape.cp < 0x10000) { - return write_codepoint<4, Char>(out, 'u', escape.cp); - } - if (escape.cp < 0x110000) { - return write_codepoint<8, Char>(out, 'U', escape.cp); - } - } - for (Char escape_char : basic_string_view( - escape.begin, to_unsigned(escape.end - escape.begin))) { - out = write_codepoint<2, Char>(out, 'x', - static_cast(escape_char) & 0xFF); - } - return out; + auto c = static_cast(escape.cp); + switch (escape.cp) { + case '\n': + *out++ = static_cast('\\'); + c = static_cast('n'); + break; + case '\r': + *out++ = static_cast('\\'); + c = static_cast('r'); + break; + case '\t': + *out++ = static_cast('\\'); + c = static_cast('t'); + break; + case '"': + FMT_FALLTHROUGH; + case '\'': + FMT_FALLTHROUGH; + case '\\': + *out++ = static_cast('\\'); + break; + default: + if (is_utf8()) { + if (escape.cp < 0x100) { + return write_codepoint<2, Char>(out, 'x', escape.cp); + } + if (escape.cp < 0x10000) { + return write_codepoint<4, Char>(out, 'u', escape.cp); + } + if (escape.cp < 0x110000) { + return write_codepoint<8, Char>(out, 'U', escape.cp); + } + } + for (Char escape_char : basic_string_view( + escape.begin, to_unsigned(escape.end - escape.begin))) { + out = write_codepoint<2, Char>(out, 'x', + static_cast(escape_char) & 0xFF); } - *out++ = c; return out; + } + *out++ = c; + return out; } -template +template auto write_escaped_string(OutputIt out, basic_string_view str) -> OutputIt { - *out++ = static_cast('"'); - auto begin = str.begin(), end = str.end(); - do { - auto escape = find_escape(begin, end); - out = copy_str(begin, escape.begin, out); - begin = escape.end; - if (!begin) break; - out = write_escaped_cp(out, escape); - } while (begin != end); - *out++ = static_cast('"'); - return out; -} - -template + *out++ = static_cast('"'); + auto begin = str.begin(), end = str.end(); + do { + auto escape = find_escape(begin, end); + out = copy_str(begin, escape.begin, out); + begin = escape.end; + if (!begin) break; + out = write_escaped_cp(out, escape); + } while (begin != end); + *out++ = static_cast('"'); + return out; +} + +template auto write_escaped_char(OutputIt out, Char v) -> OutputIt { - *out++ = static_cast('\''); - if ((needs_escape(static_cast(v)) && v != static_cast('"')) || - v == static_cast('\'')) { - out = write_escaped_cp( - out, find_escape_result{&v, &v + 1, static_cast(v)}); - } else { - *out++ = v; - } - *out++ = static_cast('\''); - return out; -} - -template + *out++ = static_cast('\''); + if ((needs_escape(static_cast(v)) && v != static_cast('"')) || + v == static_cast('\'')) { + out = write_escaped_cp( + out, find_escape_result{&v, &v + 1, static_cast(v)}); + } else { + *out++ = v; + } + *out++ = static_cast('\''); + return out; +} + +template FMT_CONSTEXPR auto write_char(OutputIt out, Char value, - const basic_format_specs &specs) + const basic_format_specs& specs) -> OutputIt { - bool is_debug = specs.type == presentation_type::debug; - return write_padded(out, specs, 1, [=](reserve_iterator it) { - if (is_debug) return write_escaped_char(it, value); - *it++ = value; - return it; - }); + bool is_debug = specs.type == presentation_type::debug; + return write_padded(out, specs, 1, [=](reserve_iterator it) { + if (is_debug) return write_escaped_char(it, value); + *it++ = value; + return it; + }); } -template +template FMT_CONSTEXPR auto write(OutputIt out, Char value, - const basic_format_specs &specs, + const basic_format_specs& specs, locale_ref loc = {}) -> OutputIt { - return check_char_specs(specs) ? write_char(out, value, specs) : write(out, static_cast(value), specs, loc); + return check_char_specs(specs) + ? write_char(out, value, specs) + : write(out, static_cast(value), specs, loc); } // Data for write_int that doesn't depend on output iterator type. It is used to // avoid template code bloat. -template -struct write_int_data { - size_t size; - size_t padding; - - FMT_CONSTEXPR write_int_data(int num_digits, unsigned prefix, - const basic_format_specs &specs) - : size((prefix >> 24) + to_unsigned(num_digits)), padding(0) { - if (specs.align == align::numeric) { - auto width = to_unsigned(specs.width); - if (width > size) { - padding = width - size; - size = width; - } - } else if (specs.precision > num_digits) { - size = (prefix >> 24) + to_unsigned(specs.precision); - padding = to_unsigned(specs.precision - num_digits); - } - } +template struct write_int_data { + size_t size; + size_t padding; + + FMT_CONSTEXPR write_int_data(int num_digits, unsigned prefix, + const basic_format_specs& specs) + : size((prefix >> 24) + to_unsigned(num_digits)), padding(0) { + if (specs.align == align::numeric) { + auto width = to_unsigned(specs.width); + if (width > size) { + padding = width - size; + size = width; + } + } else if (specs.precision > num_digits) { + size = (prefix >> 24) + to_unsigned(specs.precision); + padding = to_unsigned(specs.precision - num_digits); + } + } }; // Writes an integer in the format // // where are written by write_digits(it). // prefix contains chars in three lower bytes and the size in the fourth byte. -template +template FMT_CONSTEXPR FMT_INLINE auto write_int(OutputIt out, int num_digits, unsigned prefix, - const basic_format_specs &specs, + const basic_format_specs& specs, W write_digits) -> OutputIt { - // Slightly faster check for specs.width == 0 && specs.precision == -1. - if ((specs.width | (specs.precision + 1)) == 0) { - auto it = reserve(out, to_unsigned(num_digits) + (prefix >> 24)); - if (prefix != 0) { - for (unsigned p = prefix & 0xffffff; p != 0; p >>= 8) - *it++ = static_cast(p & 0xff); - } - return base_iterator(out, write_digits(it)); - } - auto data = write_int_data(num_digits, prefix, specs); - return write_padded( - out, specs, data.size, [=](reserve_iterator it) { - for (unsigned p = prefix & 0xffffff; p != 0; p >>= 8) - *it++ = static_cast(p & 0xff); - it = detail::fill_n(it, data.padding, static_cast('0')); - return write_digits(it); - }); -} - -template -class digit_grouping { -private: - thousands_sep_result sep_; - - struct next_state { - std::string::const_iterator group; - int pos; - }; - next_state initial_state() const { - return {sep_.grouping.begin(), 0}; - } - - // Returns the next digit group separator position. - int next(next_state &state) const { - if (!sep_.thousands_sep) return max_value(); - if (state.group == sep_.grouping.end()) - return state.pos += sep_.grouping.back(); - if (*state.group <= 0 || *state.group == max_value()) - return max_value(); - state.pos += *state.group++; - return state.pos; - } - -public: - explicit digit_grouping(locale_ref loc, bool localized = true) { - if (localized) - sep_ = thousands_sep(loc); - else - sep_.thousands_sep = Char(); - } - explicit digit_grouping(thousands_sep_result sep) - : sep_(sep) { - } - - Char separator() const { - return sep_.thousands_sep; - } - - int count_separators(int num_digits) const { - int count = 0; - auto state = initial_state(); - while (num_digits > next(state)) - ++count; - return count; - } - - // Applies grouping to digits and write the output to out. - template - Out apply(Out out, basic_string_view digits) const { - auto num_digits = static_cast(digits.size()); - auto separators = basic_memory_buffer(); - separators.push_back(0); - auto state = initial_state(); - while (int i = next(state)) { - if (i >= num_digits) break; - separators.push_back(i); - } - for (int i = 0, sep_index = static_cast(separators.size() - 1); - i < num_digits; ++i) { - if (num_digits - i == separators[sep_index]) { - *out++ = separator(); - --sep_index; - } - *out++ = static_cast(digits[to_unsigned(i)]); - } - return out; + // Slightly faster check for specs.width == 0 && specs.precision == -1. + if ((specs.width | (specs.precision + 1)) == 0) { + auto it = reserve(out, to_unsigned(num_digits) + (prefix >> 24)); + if (prefix != 0) { + for (unsigned p = prefix & 0xffffff; p != 0; p >>= 8) + *it++ = static_cast(p & 0xff); + } + return base_iterator(out, write_digits(it)); + } + auto data = write_int_data(num_digits, prefix, specs); + return write_padded( + out, specs, data.size, [=](reserve_iterator it) { + for (unsigned p = prefix & 0xffffff; p != 0; p >>= 8) + *it++ = static_cast(p & 0xff); + it = detail::fill_n(it, data.padding, static_cast('0')); + return write_digits(it); + }); +} + +template class digit_grouping { + private: + thousands_sep_result sep_; + + struct next_state { + std::string::const_iterator group; + int pos; + }; + next_state initial_state() const { return {sep_.grouping.begin(), 0}; } + + // Returns the next digit group separator position. + int next(next_state& state) const { + if (!sep_.thousands_sep) return max_value(); + if (state.group == sep_.grouping.end()) + return state.pos += sep_.grouping.back(); + if (*state.group <= 0 || *state.group == max_value()) + return max_value(); + state.pos += *state.group++; + return state.pos; + } + + public: + explicit digit_grouping(locale_ref loc, bool localized = true) { + if (localized) + sep_ = thousands_sep(loc); + else + sep_.thousands_sep = Char(); + } + explicit digit_grouping(thousands_sep_result sep) : sep_(sep) {} + + Char separator() const { return sep_.thousands_sep; } + + int count_separators(int num_digits) const { + int count = 0; + auto state = initial_state(); + while (num_digits > next(state)) ++count; + return count; + } + + // Applies grouping to digits and write the output to out. + template + Out apply(Out out, basic_string_view digits) const { + auto num_digits = static_cast(digits.size()); + auto separators = basic_memory_buffer(); + separators.push_back(0); + auto state = initial_state(); + while (int i = next(state)) { + if (i >= num_digits) break; + separators.push_back(i); + } + for (int i = 0, sep_index = static_cast(separators.size() - 1); + i < num_digits; ++i) { + if (num_digits - i == separators[sep_index]) { + *out++ = separator(); + --sep_index; + } + *out++ = static_cast(digits[to_unsigned(i)]); } + return out; + } }; -template +template auto write_int_localized(OutputIt out, UInt value, unsigned prefix, - const basic_format_specs &specs, - const digit_grouping &grouping) -> OutputIt { - static_assert(std::is_same, UInt>::value, ""); - int num_digits = count_digits(value); - char digits[40]; - format_decimal(digits, value, num_digits); - unsigned size = to_unsigned((prefix != 0 ? 1 : 0) + num_digits + - grouping.count_separators(num_digits)); - return write_padded( - out, specs, size, size, [&](reserve_iterator it) { - if (prefix != 0) { - char sign = static_cast(prefix); - *it++ = static_cast(sign); - } - return grouping.apply(it, string_view(digits, to_unsigned(num_digits))); - }); + const basic_format_specs& specs, + const digit_grouping& grouping) -> OutputIt { + static_assert(std::is_same, UInt>::value, ""); + int num_digits = count_digits(value); + char digits[40]; + format_decimal(digits, value, num_digits); + unsigned size = to_unsigned((prefix != 0 ? 1 : 0) + num_digits + + grouping.count_separators(num_digits)); + return write_padded( + out, specs, size, size, [&](reserve_iterator it) { + if (prefix != 0) { + char sign = static_cast(prefix); + *it++ = static_cast(sign); + } + return grouping.apply(it, string_view(digits, to_unsigned(num_digits))); + }); } -template -auto write_int_localized(OutputIt &out, UInt value, unsigned prefix, - const basic_format_specs &specs, locale_ref loc) +template +auto write_int_localized(OutputIt& out, UInt value, unsigned prefix, + const basic_format_specs& specs, locale_ref loc) -> bool { - auto grouping = digit_grouping(loc); - out = write_int_localized(out, value, prefix, specs, grouping); - return true; + auto grouping = digit_grouping(loc); + out = write_int_localized(out, value, prefix, specs, grouping); + return true; } -FMT_CONSTEXPR inline void prefix_append(unsigned &prefix, unsigned value) { - prefix |= prefix != 0 ? value << 8 : value; - prefix += (1u + (value > 0xff ? 1 : 0)) << 24; +FMT_CONSTEXPR inline void prefix_append(unsigned& prefix, unsigned value) { + prefix |= prefix != 0 ? value << 8 : value; + prefix += (1u + (value > 0xff ? 1 : 0)) << 24; } -template -struct write_int_arg { - UInt abs_value; - unsigned prefix; +template struct write_int_arg { + UInt abs_value; + unsigned prefix; }; -template +template FMT_CONSTEXPR auto make_write_int_arg(T value, sign_t sign) -> write_int_arg> { - auto prefix = 0u; - auto abs_value = static_cast>(value); - if (is_negative(value)) { - prefix = 0x01000000 | '-'; - abs_value = 0 - abs_value; - } else { - constexpr const unsigned prefixes[4] = {0, 0, 0x1000000u | '+', - 0x1000000u | ' '}; - prefix = prefixes[sign]; - } - return {abs_value, prefix}; -} - -template + auto prefix = 0u; + auto abs_value = static_cast>(value); + if (is_negative(value)) { + prefix = 0x01000000 | '-'; + abs_value = 0 - abs_value; + } else { + constexpr const unsigned prefixes[4] = {0, 0, 0x1000000u | '+', + 0x1000000u | ' '}; + prefix = prefixes[sign]; + } + return {abs_value, prefix}; +} + +template FMT_CONSTEXPR FMT_INLINE auto write_int(OutputIt out, write_int_arg arg, - const basic_format_specs &specs, + const basic_format_specs& specs, locale_ref loc) -> OutputIt { - static_assert(std::is_same>::value, ""); - auto abs_value = arg.abs_value; - auto prefix = arg.prefix; - switch (specs.type) { - case presentation_type::none: - case presentation_type::dec: { - if (specs.localized && - write_int_localized(out, static_cast>(abs_value), - prefix, specs, loc)) { - return out; - } - auto num_digits = count_digits(abs_value); - return write_int( - out, num_digits, prefix, specs, [=](reserve_iterator it) { - return format_decimal(it, abs_value, num_digits).end; - }); - } - case presentation_type::hex_lower: - case presentation_type::hex_upper: { - bool upper = specs.type == presentation_type::hex_upper; - if (specs.alt) - prefix_append(prefix, unsigned(upper ? 'X' : 'x') << 8 | '0'); - int num_digits = count_digits<4>(abs_value); - return write_int( - out, num_digits, prefix, specs, [=](reserve_iterator it) { - return format_uint<4, Char>(it, abs_value, num_digits, upper); - }); - } - case presentation_type::bin_lower: - case presentation_type::bin_upper: { - bool upper = specs.type == presentation_type::bin_upper; - if (specs.alt) - prefix_append(prefix, unsigned(upper ? 'B' : 'b') << 8 | '0'); - int num_digits = count_digits<1>(abs_value); - return write_int(out, num_digits, prefix, specs, - [=](reserve_iterator it) { - return format_uint<1, Char>(it, abs_value, num_digits); - }); - } - case presentation_type::oct: { - int num_digits = count_digits<3>(abs_value); - // Octal prefix '0' is counted as a digit, so only add it if precision - // is not greater than the number of digits. - if (specs.alt && specs.precision <= num_digits && abs_value != 0) - prefix_append(prefix, '0'); - return write_int(out, num_digits, prefix, specs, - [=](reserve_iterator it) { - return format_uint<3, Char>(it, abs_value, num_digits); - }); - } - case presentation_type::chr: - return write_char(out, static_cast(abs_value), specs); - default: - throw_format_error("invalid type specifier"); - } - return out; -} -template + static_assert(std::is_same>::value, ""); + auto abs_value = arg.abs_value; + auto prefix = arg.prefix; + switch (specs.type) { + case presentation_type::none: + case presentation_type::dec: { + if (specs.localized && + write_int_localized(out, static_cast>(abs_value), + prefix, specs, loc)) { + return out; + } + auto num_digits = count_digits(abs_value); + return write_int( + out, num_digits, prefix, specs, [=](reserve_iterator it) { + return format_decimal(it, abs_value, num_digits).end; + }); + } + case presentation_type::hex_lower: + case presentation_type::hex_upper: { + bool upper = specs.type == presentation_type::hex_upper; + if (specs.alt) + prefix_append(prefix, unsigned(upper ? 'X' : 'x') << 8 | '0'); + int num_digits = count_digits<4>(abs_value); + return write_int( + out, num_digits, prefix, specs, [=](reserve_iterator it) { + return format_uint<4, Char>(it, abs_value, num_digits, upper); + }); + } + case presentation_type::bin_lower: + case presentation_type::bin_upper: { + bool upper = specs.type == presentation_type::bin_upper; + if (specs.alt) + prefix_append(prefix, unsigned(upper ? 'B' : 'b') << 8 | '0'); + int num_digits = count_digits<1>(abs_value); + return write_int(out, num_digits, prefix, specs, + [=](reserve_iterator it) { + return format_uint<1, Char>(it, abs_value, num_digits); + }); + } + case presentation_type::oct: { + int num_digits = count_digits<3>(abs_value); + // Octal prefix '0' is counted as a digit, so only add it if precision + // is not greater than the number of digits. + if (specs.alt && specs.precision <= num_digits && abs_value != 0) + prefix_append(prefix, '0'); + return write_int(out, num_digits, prefix, specs, + [=](reserve_iterator it) { + return format_uint<3, Char>(it, abs_value, num_digits); + }); + } + case presentation_type::chr: + return write_char(out, static_cast(abs_value), specs); + default: + throw_format_error("invalid type specifier"); + } + return out; +} +template FMT_CONSTEXPR FMT_NOINLINE auto write_int_noinline( - OutputIt out, write_int_arg arg, const basic_format_specs &specs, + OutputIt out, write_int_arg arg, const basic_format_specs& specs, locale_ref loc) -> OutputIt { - return write_int(out, arg, specs, loc); + return write_int(out, arg, specs, loc); } -template::value && - !std::is_same::value && - std::is_same>::value)> +template ::value && + !std::is_same::value && + std::is_same>::value)> FMT_CONSTEXPR FMT_INLINE auto write(OutputIt out, T value, - const basic_format_specs &specs, + const basic_format_specs& specs, locale_ref loc) -> OutputIt { - return write_int_noinline(out, make_write_int_arg(value, specs.sign), specs, - loc); + return write_int_noinline(out, make_write_int_arg(value, specs.sign), specs, + loc); } // An inlined version of write used in format string compilation. -template::value && - !std::is_same::value && - !std::is_same>::value)> +template ::value && + !std::is_same::value && + !std::is_same>::value)> FMT_CONSTEXPR FMT_INLINE auto write(OutputIt out, T value, - const basic_format_specs &specs, + const basic_format_specs& specs, locale_ref loc) -> OutputIt { - return write_int(out, make_write_int_arg(value, specs.sign), specs, loc); + return write_int(out, make_write_int_arg(value, specs.sign), specs, loc); } // An output iterator that counts the number of objects written to it and // discards them. class counting_iterator { -private: - size_t count_; - -public: - using iterator_category = std::output_iterator_tag; - using difference_type = std::ptrdiff_t; - using pointer = void; - using reference = void; - FMT_UNCHECKED_ITERATOR(counting_iterator); - - struct value_type { - template - FMT_CONSTEXPR void operator=(const T &) { - } - }; - - FMT_CONSTEXPR counting_iterator() - : count_(0) { - } - - FMT_CONSTEXPR size_t count() const { - return count_; - } - - FMT_CONSTEXPR counting_iterator &operator++() { - ++count_; - return *this; - } - FMT_CONSTEXPR counting_iterator operator++(int) { - auto it = *this; - ++*this; - return it; - } + private: + size_t count_; + + public: + using iterator_category = std::output_iterator_tag; + using difference_type = std::ptrdiff_t; + using pointer = void; + using reference = void; + FMT_UNCHECKED_ITERATOR(counting_iterator); + + struct value_type { + template FMT_CONSTEXPR void operator=(const T&) {} + }; + + FMT_CONSTEXPR counting_iterator() : count_(0) {} + + FMT_CONSTEXPR size_t count() const { return count_; } + + FMT_CONSTEXPR counting_iterator& operator++() { + ++count_; + return *this; + } + FMT_CONSTEXPR counting_iterator operator++(int) { + auto it = *this; + ++*this; + return it; + } - FMT_CONSTEXPR friend counting_iterator operator+(counting_iterator it, - difference_type n) { - it.count_ += static_cast(n); - return it; - } + FMT_CONSTEXPR friend counting_iterator operator+(counting_iterator it, + difference_type n) { + it.count_ += static_cast(n); + return it; + } - FMT_CONSTEXPR value_type operator*() const { - return {}; - } + FMT_CONSTEXPR value_type operator*() const { return {}; } }; -template +template FMT_CONSTEXPR auto write(OutputIt out, basic_string_view s, - const basic_format_specs &specs) -> OutputIt { - auto data = s.data(); - auto size = s.size(); - if (specs.precision >= 0 && to_unsigned(specs.precision) < size) - size = code_point_index(s, to_unsigned(specs.precision)); - bool is_debug = specs.type == presentation_type::debug; - size_t width = 0; - if (specs.width != 0) { - if (is_debug) - width = write_escaped_string(counting_iterator{}, s).count(); - else - width = compute_width(basic_string_view(data, size)); - } - return write_padded(out, specs, size, width, - [=](reserve_iterator it) { - if (is_debug) return write_escaped_string(it, s); - return copy_str(data, data + size, it); - }); -} -template + const basic_format_specs& specs) -> OutputIt { + auto data = s.data(); + auto size = s.size(); + if (specs.precision >= 0 && to_unsigned(specs.precision) < size) + size = code_point_index(s, to_unsigned(specs.precision)); + bool is_debug = specs.type == presentation_type::debug; + size_t width = 0; + if (specs.width != 0) { + if (is_debug) + width = write_escaped_string(counting_iterator{}, s).count(); + else + width = compute_width(basic_string_view(data, size)); + } + return write_padded(out, specs, size, width, + [=](reserve_iterator it) { + if (is_debug) return write_escaped_string(it, s); + return copy_str(data, data + size, it); + }); +} +template FMT_CONSTEXPR auto write(OutputIt out, basic_string_view> s, - const basic_format_specs &specs, locale_ref) + const basic_format_specs& specs, locale_ref) -> OutputIt { - check_string_type_spec(specs.type); - return write(out, s, specs); + check_string_type_spec(specs.type); + return write(out, s, specs); } -template -FMT_CONSTEXPR auto write(OutputIt out, const Char *s, - const basic_format_specs &specs, locale_ref) +template +FMT_CONSTEXPR auto write(OutputIt out, const Char* s, + const basic_format_specs& specs, locale_ref) -> OutputIt { - return check_cstring_type_spec(specs.type) ? write(out, basic_string_view(s), specs, {}) : write_ptr(out, bit_cast(s), &specs); + return check_cstring_type_spec(specs.type) + ? write(out, basic_string_view(s), specs, {}) + : write_ptr(out, bit_cast(s), &specs); } -template::value && - !std::is_same::value && - !std::is_same::value)> +template ::value && + !std::is_same::value && + !std::is_same::value)> FMT_CONSTEXPR auto write(OutputIt out, T value) -> OutputIt { - 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 size = (negative ? 1 : 0) + static_cast(num_digits); - auto it = reserve(out, size); - if (auto ptr = to_pointer(it, size)) { - if (negative) *ptr++ = static_cast('-'); - format_decimal(ptr, abs_value, num_digits); - return out; - } - if (negative) *it++ = static_cast('-'); - it = format_decimal(it, abs_value, num_digits).end; - return base_iterator(out, it); + 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 size = (negative ? 1 : 0) + static_cast(num_digits); + auto it = reserve(out, size); + if (auto ptr = to_pointer(it, size)) { + if (negative) *ptr++ = static_cast('-'); + format_decimal(ptr, abs_value, num_digits); + return out; + } + if (negative) *it++ = static_cast('-'); + it = format_decimal(it, abs_value, num_digits).end; + return base_iterator(out, it); } -template +template FMT_CONSTEXPR20 auto write_nonfinite(OutputIt out, bool isnan, basic_format_specs specs, - const float_specs &fspecs) -> OutputIt { - auto str = - isnan ? (fspecs.upper ? "NAN" : "nan") : (fspecs.upper ? "INF" : "inf"); - constexpr size_t str_size = 3; - auto sign = fspecs.sign; - auto size = str_size + (sign ? 1 : 0); - // Replace '0'-padding with space for non-finite values. - const bool is_zero_fill = - specs.fill.size() == 1 && *specs.fill.data() == static_cast('0'); - if (is_zero_fill) specs.fill[0] = static_cast(' '); - return write_padded(out, specs, size, [=](reserve_iterator it) { - if (sign) *it++ = detail::sign(sign); - return copy_str(str, str + str_size, it); - }); + const float_specs& fspecs) -> OutputIt { + auto str = + isnan ? (fspecs.upper ? "NAN" : "nan") : (fspecs.upper ? "INF" : "inf"); + constexpr size_t str_size = 3; + auto sign = fspecs.sign; + auto size = str_size + (sign ? 1 : 0); + // Replace '0'-padding with space for non-finite values. + const bool is_zero_fill = + specs.fill.size() == 1 && *specs.fill.data() == static_cast('0'); + if (is_zero_fill) specs.fill[0] = static_cast(' '); + return write_padded(out, specs, size, [=](reserve_iterator it) { + if (sign) *it++ = detail::sign(sign); + return copy_str(str, str + str_size, it); + }); } // A decimal floating-point number significand * pow(10, exp). struct big_decimal_fp { - const char *significand; - int significand_size; - int exponent; + const char* significand; + int significand_size; + int exponent; }; -constexpr auto get_significand_size(const big_decimal_fp &f) -> int { - return f.significand_size; +constexpr auto get_significand_size(const big_decimal_fp& f) -> int { + return f.significand_size; } -template -inline auto get_significand_size(const dragonbox::decimal_fp &f) -> int { - return count_digits(f.significand); +template +inline auto get_significand_size(const dragonbox::decimal_fp& f) -> int { + return count_digits(f.significand); } -template -constexpr auto write_significand(OutputIt out, const char *significand, +template +constexpr auto write_significand(OutputIt out, const char* significand, int significand_size) -> OutputIt { - return copy_str(significand, significand + significand_size, out); + return copy_str(significand, significand + significand_size, out); } -template +template inline auto write_significand(OutputIt out, UInt significand, int significand_size) -> OutputIt { - return format_decimal(out, significand, significand_size).end; + return format_decimal(out, significand, significand_size).end; } -template +template FMT_CONSTEXPR20 auto write_significand(OutputIt out, T significand, int significand_size, int exponent, - const Grouping &grouping) -> OutputIt { - if (!grouping.separator()) { - out = write_significand(out, significand, significand_size); - return detail::fill_n(out, exponent, static_cast('0')); - } - auto buffer = memory_buffer(); - write_significand(appender(buffer), significand, significand_size); - detail::fill_n(appender(buffer), exponent, '0'); - return grouping.apply(out, string_view(buffer.data(), buffer.size())); -} - -template::value)> -inline auto write_significand(Char *out, UInt significand, int significand_size, - int integral_size, Char decimal_point) -> Char * { - if (!decimal_point) - return format_decimal(out, significand, significand_size).end; - out += significand_size + 1; - Char *end = out; - int floating_size = significand_size - integral_size; - for (int i = floating_size / 2; i > 0; --i) { - out -= 2; - copy2(out, digits2(static_cast(significand % 100))); - significand /= 100; - } - if (floating_size % 2 != 0) { - *--out = static_cast('0' + significand % 10); - significand /= 10; - } - *--out = decimal_point; - format_decimal(out - integral_size, significand, integral_size); - return end; -} - -template>::value)> + const Grouping& grouping) -> OutputIt { + if (!grouping.separator()) { + out = write_significand(out, significand, significand_size); + return detail::fill_n(out, exponent, static_cast('0')); + } + auto buffer = memory_buffer(); + write_significand(appender(buffer), significand, significand_size); + detail::fill_n(appender(buffer), exponent, '0'); + return grouping.apply(out, string_view(buffer.data(), buffer.size())); +} + +template ::value)> +inline auto write_significand(Char* out, UInt significand, int significand_size, + int integral_size, Char decimal_point) -> Char* { + if (!decimal_point) + return format_decimal(out, significand, significand_size).end; + out += significand_size + 1; + Char* end = out; + int floating_size = significand_size - integral_size; + for (int i = floating_size / 2; i > 0; --i) { + out -= 2; + copy2(out, digits2(static_cast(significand % 100))); + significand /= 100; + } + if (floating_size % 2 != 0) { + *--out = static_cast('0' + significand % 10); + significand /= 10; + } + *--out = decimal_point; + format_decimal(out - integral_size, significand, integral_size); + return end; +} + +template >::value)> inline auto write_significand(OutputIt out, UInt significand, int significand_size, int integral_size, Char decimal_point) -> OutputIt { - // Buffer is large enough to hold digits (digits10 + 1) and a decimal point. - Char buffer[digits10() + 2]; - auto end = write_significand(buffer, significand, significand_size, - integral_size, decimal_point); - return detail::copy_str_noinline(buffer, end, out); + // Buffer is large enough to hold digits (digits10 + 1) and a decimal point. + Char buffer[digits10() + 2]; + auto end = write_significand(buffer, significand, significand_size, + integral_size, decimal_point); + return detail::copy_str_noinline(buffer, end, out); } -template -FMT_CONSTEXPR auto write_significand(OutputIt out, const char *significand, +template +FMT_CONSTEXPR auto write_significand(OutputIt out, const char* significand, int significand_size, int integral_size, Char decimal_point) -> OutputIt { - out = detail::copy_str_noinline(significand, - significand + integral_size, out); - if (!decimal_point) return out; - *out++ = decimal_point; - return detail::copy_str_noinline(significand + integral_size, - significand + significand_size, out); + out = detail::copy_str_noinline(significand, + significand + integral_size, out); + if (!decimal_point) return out; + *out++ = decimal_point; + return detail::copy_str_noinline(significand + integral_size, + significand + significand_size, out); } -template +template FMT_CONSTEXPR20 auto write_significand(OutputIt out, T significand, int significand_size, int integral_size, Char decimal_point, - const Grouping &grouping) -> OutputIt { - if (!grouping.separator()) { - return write_significand(out, significand, significand_size, integral_size, - decimal_point); - } - auto buffer = basic_memory_buffer(); - write_significand(buffer_appender(buffer), significand, - significand_size, integral_size, decimal_point); - grouping.apply( - out, basic_string_view(buffer.data(), to_unsigned(integral_size))); - return detail::copy_str_noinline(buffer.data() + integral_size, - buffer.end(), out); -} - -template> -FMT_CONSTEXPR20 auto do_write_float(OutputIt out, const DecimalFP &f, - const basic_format_specs &specs, + const Grouping& grouping) -> OutputIt { + if (!grouping.separator()) { + return write_significand(out, significand, significand_size, integral_size, + decimal_point); + } + auto buffer = basic_memory_buffer(); + write_significand(buffer_appender(buffer), significand, + significand_size, integral_size, decimal_point); + grouping.apply( + out, basic_string_view(buffer.data(), to_unsigned(integral_size))); + return detail::copy_str_noinline(buffer.data() + integral_size, + buffer.end(), out); +} + +template > +FMT_CONSTEXPR20 auto do_write_float(OutputIt out, const DecimalFP& f, + const basic_format_specs& specs, float_specs fspecs, locale_ref loc) -> OutputIt { - auto significand = f.significand; - int significand_size = get_significand_size(f); - const Char zero = static_cast('0'); - auto sign = fspecs.sign; - size_t size = to_unsigned(significand_size) + (sign ? 1 : 0); - using iterator = reserve_iterator; - - Char decimal_point = - fspecs.locale ? detail::decimal_point(loc) : static_cast('.'); - - int output_exp = f.exponent + significand_size - 1; - auto use_exp_format = [=]() { - if (fspecs.format == float_format::exp) return true; - if (fspecs.format != float_format::general) return false; - // Use the fixed notation if the exponent is in [exp_lower, exp_upper), - // e.g. 0.0001 instead of 1e-04. Otherwise use the exponent notation. - const int exp_lower = -4, exp_upper = 16; - return output_exp < exp_lower || - output_exp >= (fspecs.precision > 0 ? fspecs.precision : exp_upper); + auto significand = f.significand; + int significand_size = get_significand_size(f); + const Char zero = static_cast('0'); + auto sign = fspecs.sign; + size_t size = to_unsigned(significand_size) + (sign ? 1 : 0); + using iterator = reserve_iterator; + + Char decimal_point = + fspecs.locale ? detail::decimal_point(loc) : static_cast('.'); + + int output_exp = f.exponent + significand_size - 1; + auto use_exp_format = [=]() { + if (fspecs.format == float_format::exp) return true; + if (fspecs.format != float_format::general) return false; + // Use the fixed notation if the exponent is in [exp_lower, exp_upper), + // e.g. 0.0001 instead of 1e-04. Otherwise use the exponent notation. + const int exp_lower = -4, exp_upper = 16; + return output_exp < exp_lower || + output_exp >= (fspecs.precision > 0 ? fspecs.precision : exp_upper); + }; + if (use_exp_format()) { + int num_zeros = 0; + if (fspecs.showpoint) { + num_zeros = fspecs.precision - significand_size; + if (num_zeros < 0) num_zeros = 0; + size += to_unsigned(num_zeros); + } else if (significand_size == 1) { + decimal_point = Char(); + } + auto abs_output_exp = output_exp >= 0 ? output_exp : -output_exp; + int exp_digits = 2; + if (abs_output_exp >= 100) exp_digits = abs_output_exp >= 1000 ? 4 : 3; + + size += to_unsigned((decimal_point ? 1 : 0) + 2 + exp_digits); + char exp_char = fspecs.upper ? 'E' : 'e'; + auto write = [=](iterator it) { + if (sign) *it++ = detail::sign(sign); + // Insert a decimal point after the first digit and add an exponent. + it = write_significand(it, significand, significand_size, 1, + decimal_point); + if (num_zeros > 0) it = detail::fill_n(it, num_zeros, zero); + *it++ = static_cast(exp_char); + return write_exponent(output_exp, it); }; - if (use_exp_format()) { - int num_zeros = 0; - if (fspecs.showpoint) { - num_zeros = fspecs.precision - significand_size; - if (num_zeros < 0) num_zeros = 0; - size += to_unsigned(num_zeros); - } else if (significand_size == 1) { - decimal_point = Char(); - } - auto abs_output_exp = output_exp >= 0 ? output_exp : -output_exp; - int exp_digits = 2; - if (abs_output_exp >= 100) exp_digits = abs_output_exp >= 1000 ? 4 : 3; - - size += to_unsigned((decimal_point ? 1 : 0) + 2 + exp_digits); - char exp_char = fspecs.upper ? 'E' : 'e'; - auto write = [=](iterator it) { - if (sign) *it++ = detail::sign(sign); - // Insert a decimal point after the first digit and add an exponent. - it = write_significand(it, significand, significand_size, 1, - decimal_point); - if (num_zeros > 0) it = detail::fill_n(it, num_zeros, zero); - *it++ = static_cast(exp_char); - return write_exponent(output_exp, it); - }; - return specs.width > 0 ? write_padded(out, specs, size, write) : base_iterator(out, write(reserve(out, size))); - } - - int exp = f.exponent + significand_size; - if (f.exponent >= 0) { - // 1234e5 -> 123400000[.0+] - size += to_unsigned(f.exponent); - int num_zeros = fspecs.precision - exp; - abort_fuzzing_if(num_zeros > 5000); - if (fspecs.showpoint) { - ++size; - if (num_zeros <= 0 && fspecs.format != float_format::fixed) num_zeros = 1; - if (num_zeros > 0) size += to_unsigned(num_zeros); - } - auto grouping = Grouping(loc, fspecs.locale); - size += to_unsigned(grouping.count_separators(exp)); - return write_padded(out, specs, size, [&](iterator it) { - if (sign) *it++ = detail::sign(sign); - it = write_significand(it, significand, significand_size, - f.exponent, grouping); - if (!fspecs.showpoint) return it; - *it++ = decimal_point; - return num_zeros > 0 ? detail::fill_n(it, num_zeros, zero) : it; - }); - } else if (exp > 0) { - // 1234e-2 -> 12.34[0+] - int num_zeros = fspecs.showpoint ? fspecs.precision - significand_size : 0; - size += 1 + to_unsigned(num_zeros > 0 ? num_zeros : 0); - auto grouping = Grouping(loc, fspecs.locale); - size += to_unsigned(grouping.count_separators(significand_size)); - return write_padded(out, specs, size, [&](iterator it) { - if (sign) *it++ = detail::sign(sign); - it = write_significand(it, significand, significand_size, exp, - decimal_point, grouping); - return num_zeros > 0 ? detail::fill_n(it, num_zeros, zero) : it; - }); - } - // 1234e-6 -> 0.001234 - int num_zeros = -exp; - if (significand_size == 0 && fspecs.precision >= 0 && - fspecs.precision < num_zeros) { - num_zeros = fspecs.precision; - } - bool pointy = num_zeros != 0 || significand_size != 0 || fspecs.showpoint; - size += 1 + (pointy ? 1 : 0) + to_unsigned(num_zeros); + return specs.width > 0 ? write_padded(out, specs, size, write) + : base_iterator(out, write(reserve(out, size))); + } + + int exp = f.exponent + significand_size; + if (f.exponent >= 0) { + // 1234e5 -> 123400000[.0+] + size += to_unsigned(f.exponent); + int num_zeros = fspecs.precision - exp; + abort_fuzzing_if(num_zeros > 5000); + if (fspecs.showpoint) { + ++size; + if (num_zeros <= 0 && fspecs.format != float_format::fixed) num_zeros = 1; + if (num_zeros > 0) size += to_unsigned(num_zeros); + } + auto grouping = Grouping(loc, fspecs.locale); + size += to_unsigned(grouping.count_separators(exp)); return write_padded(out, specs, size, [&](iterator it) { - if (sign) *it++ = detail::sign(sign); - *it++ = zero; - if (!pointy) return it; - *it++ = decimal_point; - it = detail::fill_n(it, num_zeros, zero); - return write_significand(it, significand, significand_size); + if (sign) *it++ = detail::sign(sign); + it = write_significand(it, significand, significand_size, + f.exponent, grouping); + if (!fspecs.showpoint) return it; + *it++ = decimal_point; + return num_zeros > 0 ? detail::fill_n(it, num_zeros, zero) : it; }); -} - -template -class fallback_digit_grouping { -public: - constexpr fallback_digit_grouping(locale_ref, bool) { - } - - constexpr Char separator() const { - return Char(); - } - - constexpr int count_separators(int) const { - return 0; - } - - template - constexpr Out apply(Out out, basic_string_view) const { - return out; - } + } else if (exp > 0) { + // 1234e-2 -> 12.34[0+] + int num_zeros = fspecs.showpoint ? fspecs.precision - significand_size : 0; + size += 1 + to_unsigned(num_zeros > 0 ? num_zeros : 0); + auto grouping = Grouping(loc, fspecs.locale); + size += to_unsigned(grouping.count_separators(significand_size)); + return write_padded(out, specs, size, [&](iterator it) { + if (sign) *it++ = detail::sign(sign); + it = write_significand(it, significand, significand_size, exp, + decimal_point, grouping); + return num_zeros > 0 ? detail::fill_n(it, num_zeros, zero) : it; + }); + } + // 1234e-6 -> 0.001234 + int num_zeros = -exp; + if (significand_size == 0 && fspecs.precision >= 0 && + fspecs.precision < num_zeros) { + num_zeros = fspecs.precision; + } + bool pointy = num_zeros != 0 || significand_size != 0 || fspecs.showpoint; + size += 1 + (pointy ? 1 : 0) + to_unsigned(num_zeros); + return write_padded(out, specs, size, [&](iterator it) { + if (sign) *it++ = detail::sign(sign); + *it++ = zero; + if (!pointy) return it; + *it++ = decimal_point; + it = detail::fill_n(it, num_zeros, zero); + return write_significand(it, significand, significand_size); + }); +} + +template class fallback_digit_grouping { + public: + constexpr fallback_digit_grouping(locale_ref, bool) {} + + constexpr Char separator() const { return Char(); } + + constexpr int count_separators(int) const { return 0; } + + template + constexpr Out apply(Out out, basic_string_view) const { + return out; + } }; -template -FMT_CONSTEXPR20 auto write_float(OutputIt out, const DecimalFP &f, - const basic_format_specs &specs, +template +FMT_CONSTEXPR20 auto write_float(OutputIt out, const DecimalFP& f, + const basic_format_specs& specs, float_specs fspecs, locale_ref loc) -> OutputIt { - if (is_constant_evaluated()) { - return do_write_float>(out, f, specs, fspecs, - loc); - } else { - return do_write_float(out, f, specs, fspecs, loc); - } + if (is_constant_evaluated()) { + return do_write_float>(out, f, specs, fspecs, + loc); + } else { + return do_write_float(out, f, specs, fspecs, loc); + } } -template -constexpr bool isnan(T value) { - return !(value >= value); // std::isnan doesn't support __float128. +template constexpr bool isnan(T value) { + return !(value >= value); // std::isnan doesn't support __float128. } -template +template struct has_isfinite : std::false_type {}; -template +template struct has_isfinite> : std::true_type {}; -template::value && - has_isfinite::value)> +template ::value&& + has_isfinite::value)> FMT_CONSTEXPR20 bool isfinite(T value) { - constexpr T inf = T(std::numeric_limits::infinity()); - if (is_constant_evaluated()) - return !detail::isnan(value) && value != inf && value != -inf; - return std::isfinite(value); + constexpr T inf = T(std::numeric_limits::infinity()); + if (is_constant_evaluated()) + return !detail::isnan(value) && value != inf && value != -inf; + return std::isfinite(value); } -template::value)> +template ::value)> FMT_CONSTEXPR bool isfinite(T value) { - T inf = T(std::numeric_limits::infinity()); - // std::isfinite doesn't support __float128. - return !detail::isnan(value) && value != inf && value != -inf; + T inf = T(std::numeric_limits::infinity()); + // std::isfinite doesn't support __float128. + return !detail::isnan(value) && value != inf && value != -inf; } -template::value)> +template ::value)> FMT_INLINE FMT_CONSTEXPR bool signbit(T value) { - if (is_constant_evaluated()) { + if (is_constant_evaluated()) { #ifdef __cpp_if_constexpr - if constexpr (std::numeric_limits::is_iec559) { - auto bits = detail::bit_cast(static_cast(value)); - return (bits >> (num_bits() - 1)) != 0; - } -#endif + if constexpr (std::numeric_limits::is_iec559) { + auto bits = detail::bit_cast(static_cast(value)); + return (bits >> (num_bits() - 1)) != 0; } - return std::signbit(static_cast(value)); +#endif + } + return std::signbit(static_cast(value)); } -enum class round_direction { unknown, - up, - down }; +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 @@ -2698,439 +2538,430 @@ enum class round_direction { unknown, FMT_CONSTEXPR 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; + 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. + more, // Generate more digits. + done, // Done generating digits. + error // Digit generation cancelled due to an error. }; } struct gen_digits_handler { - char *buf; - int size; - int precision; - int exp10; - bool fixed; - - FMT_CONSTEXPR digits::result on_digit(char digit, uint64_t divisor, - uint64_t remainder, uint64_t error, - bool integral) { - FMT_ASSERT(remainder < divisor, ""); - buf[size++] = digit; - if (!integral && error >= remainder) return digits::error; - 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'; - if (fixed) - buf[size++] = '0'; - else - ++exp10; - } - return digits::done; - } + char* buf; + int size; + int precision; + int exp10; + bool fixed; + + FMT_CONSTEXPR digits::result on_digit(char digit, uint64_t divisor, + uint64_t remainder, uint64_t error, + bool integral) { + FMT_ASSERT(remainder < divisor, ""); + buf[size++] = digit; + if (!integral && error >= remainder) return digits::error; + 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'; + if (fixed) + buf[size++] = '0'; + else + ++exp10; + } + return digits::done; + } }; -inline FMT_CONSTEXPR20 void adjust_precision(int &precision, int exp10) { - // Adjust fixed precision by exponent because it is relative to decimal - // point. - if (exp10 > 0 && precision > max_value() - exp10) - FMT_THROW(format_error("number is too big")); - precision += exp10; +inline FMT_CONSTEXPR20 void adjust_precision(int& precision, int exp10) { + // Adjust fixed precision by exponent because it is relative to decimal + // point. + if (exp10 > 0 && precision > max_value() - exp10) + FMT_THROW(format_error("number is too big")); + precision += exp10; } // 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). FMT_INLINE FMT_CONSTEXPR20 auto grisu_gen_digits(fp value, uint64_t error, - int &exp, - gen_digits_handler &handler) + int& exp, + gen_digits_handler& handler) -> digits::result { - 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 = count_digits(integral); // kappa in Grisu. - // Non-fixed formats require at least one digit and no precision adjustment. - if (handler.fixed) { - adjust_precision(handler.precision, exp + handler.exp10); - // Check if precision is satisfied just by leading zeros, e.g. - // format("{:.2f}", 0.001) gives "0.00" without generating any digits. - if (handler.precision <= 0) { - if (handler.precision < 0) return digits::done; - // Divide by 10 to prevent overflow. - uint64_t divisor = data::power_of_10_64[exp - 1] << -one.e; - auto dir = get_round_direction(divisor, value.f / 10, error * 10); - if (dir == round_direction::unknown) return digits::error; - handler.buf[handler.size++] = dir == round_direction::up ? '1' : '0'; - return digits::done; - } - } - // 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; - auto remainder = (static_cast(integral) << -one.e) + fractional; - auto result = handler.on_digit(static_cast('0' + digit), - data::power_of_10_64[exp] << -one.e, - remainder, error, 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' + (fractional >> -one.e)); - fractional &= one.f - 1; - --exp; - auto result = handler.on_digit(digit, one.f, fractional, error, false); - if (result != digits::more) return result; - } + 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 = count_digits(integral); // kappa in Grisu. + // Non-fixed formats require at least one digit and no precision adjustment. + if (handler.fixed) { + adjust_precision(handler.precision, exp + handler.exp10); + // Check if precision is satisfied just by leading zeros, e.g. + // format("{:.2f}", 0.001) gives "0.00" without generating any digits. + if (handler.precision <= 0) { + if (handler.precision < 0) return digits::done; + // Divide by 10 to prevent overflow. + uint64_t divisor = data::power_of_10_64[exp - 1] << -one.e; + auto dir = get_round_direction(divisor, value.f / 10, error * 10); + if (dir == round_direction::unknown) return digits::error; + handler.buf[handler.size++] = dir == round_direction::up ? '1' : '0'; + return digits::done; + } + } + // 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; + auto remainder = (static_cast(integral) << -one.e) + fractional; + auto result = handler.on_digit(static_cast('0' + digit), + data::power_of_10_64[exp] << -one.e, + remainder, error, 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' + (fractional >> -one.e)); + fractional &= one.f - 1; + --exp; + auto result = handler.on_digit(digit, one.f, fractional, error, false); + if (result != digits::more) return result; + } } 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_; - - FMT_CONSTEXPR20 bigit operator[](int index) const { - return bigits_[to_unsigned(index)]; - } - FMT_CONSTEXPR20 bigit &operator[](int index) { - return bigits_[to_unsigned(index)]; - } - - static constexpr const int bigit_bits = num_bits(); - - friend struct formatter; - - FMT_CONSTEXPR20 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)); - } - - FMT_CONSTEXPR20 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. - FMT_CONSTEXPR20 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(); - } - - FMT_CONSTEXPR20 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); - } - - template::value || - std::is_same::value)> - FMT_CONSTEXPR20 void multiply(UInt value) { - using half_uint = - conditional_t::value, uint64_t, uint32_t>; - const int shift = num_bits() - bigit_bits; - const UInt lower = static_cast(value); - const UInt upper = value >> num_bits(); - UInt carry = 0; - for (size_t i = 0, n = bigits_.size(); i < n; ++i) { - UInt result = lower * bigits_[i] + static_cast(carry); - carry = (upper * bigits_[i] << shift) + (result >> bigit_bits) + - (carry >> bigit_bits); - bigits_[i] = static_cast(result); - } - while (carry != 0) { - bigits_.push_back(static_cast(carry)); - carry >>= bigit_bits; - } - } - - template::value || - std::is_same::value)> - FMT_CONSTEXPR20 void assign(UInt n) { - size_t num_bigits = 0; - do { - bigits_[num_bigits++] = static_cast(n); - n >>= bigit_bits; - } while (n != 0); - bigits_.resize(num_bigits); - exp_ = 0; - } - -public: - FMT_CONSTEXPR20 bigint() - : exp_(0) { - } - explicit bigint(uint64_t n) { - assign(n); - } - - bigint(const bigint &) = delete; - void operator=(const bigint &) = delete; - - FMT_CONSTEXPR20 void assign(const bigint &other) { - auto size = other.bigits_.size(); - bigits_.resize(size); - auto data = other.bigits_.data(); - std::copy(data, data + size, make_checked(bigits_.data(), size)); - exp_ = other.exp_; - } - - template - FMT_CONSTEXPR20 void operator=(Int n) { - FMT_ASSERT(n > 0, ""); - assign(uint64_or_128_t(n)); - } - - FMT_CONSTEXPR20 int num_bigits() const { - return static_cast(bigits_.size()) + exp_; - } - - FMT_NOINLINE FMT_CONSTEXPR20 bigint &operator<<=(int shift) { - FMT_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 - FMT_CONSTEXPR20 bigint &operator*=(Int value) { - FMT_ASSERT(value > 0, ""); - multiply(uint32_or_64_or_128_t(value)); - return *this; - } - - friend FMT_CONSTEXPR20 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 FMT_CONSTEXPR20 int add_compare(const bigint &lhs1, const bigint &lhs2, - const bigint &rhs) { - auto minimum = [](int a, int b) { return a < b ? a : b; }; - auto maximum = [](int a, int b) { return a > b ? a : b; }; - int max_lhs_bigits = maximum(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 = minimum(minimum(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. - FMT_CONSTEXPR20 void assign_pow10(int exp) { - FMT_ASSERT(exp >= 0, ""); - if (exp == 0) return *this = 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. - *this = 5; - bitmask >>= 1; - while (bitmask != 0) { - square(); - if ((exp & bitmask) != 0) *this *= 5; - bitmask >>= 1; - } - *this <<= exp; // Multiply by pow(2, exp) by shifting. - } - - FMT_CONSTEXPR20 void square() { - int num_bigits = static_cast(bigits_.size()); - int num_result_bigits = 2 * num_bigits; - basic_memory_buffer n(std::move(bigits_)); - bigits_.resize(to_unsigned(num_result_bigits)); - auto sum = uint128_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 >>= num_bits(); // 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 >>= num_bits(); - } - remove_leading_zeros(); - exp_ *= 2; - } - - // If this bigint has a bigger exponent than other, adds trailing zero to make - // exponents equal. This simplifies some operations such as subtraction. - FMT_CONSTEXPR20 void align(const bigint &other) { - int exp_difference = exp_ - other.exp_; - if (exp_difference <= 0) return; - int num_bigits = static_cast(bigits_.size()); - 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; - } - - // Divides this bignum by divisor, assigning the remainder to this and - // returning the quotient. - FMT_CONSTEXPR20 int divmod_assign(const bigint &divisor) { - FMT_ASSERT(this != &divisor, ""); - if (compare(*this, divisor) < 0) return 0; - FMT_ASSERT(divisor.bigits_[divisor.bigits_.size() - 1u] != 0, ""); - align(divisor); - int quotient = 0; - do { - subtract_aligned(divisor); - ++quotient; - } while (compare(*this, divisor) >= 0); - return quotient; - } + 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_; + + FMT_CONSTEXPR20 bigit operator[](int index) const { + return bigits_[to_unsigned(index)]; + } + FMT_CONSTEXPR20 bigit& operator[](int index) { + return bigits_[to_unsigned(index)]; + } + + static constexpr const int bigit_bits = num_bits(); + + friend struct formatter; + + FMT_CONSTEXPR20 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)); + } + + FMT_CONSTEXPR20 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. + FMT_CONSTEXPR20 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(); + } + + FMT_CONSTEXPR20 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); + } + + template ::value || + std::is_same::value)> + FMT_CONSTEXPR20 void multiply(UInt value) { + using half_uint = + conditional_t::value, uint64_t, uint32_t>; + const int shift = num_bits() - bigit_bits; + const UInt lower = static_cast(value); + const UInt upper = value >> num_bits(); + UInt carry = 0; + for (size_t i = 0, n = bigits_.size(); i < n; ++i) { + UInt result = lower * bigits_[i] + static_cast(carry); + carry = (upper * bigits_[i] << shift) + (result >> bigit_bits) + + (carry >> bigit_bits); + bigits_[i] = static_cast(result); + } + while (carry != 0) { + bigits_.push_back(static_cast(carry)); + carry >>= bigit_bits; + } + } + + template ::value || + std::is_same::value)> + FMT_CONSTEXPR20 void assign(UInt n) { + size_t num_bigits = 0; + do { + bigits_[num_bigits++] = static_cast(n); + n >>= bigit_bits; + } while (n != 0); + bigits_.resize(num_bigits); + exp_ = 0; + } + + public: + FMT_CONSTEXPR20 bigint() : exp_(0) {} + explicit bigint(uint64_t n) { assign(n); } + + bigint(const bigint&) = delete; + void operator=(const bigint&) = delete; + + FMT_CONSTEXPR20 void assign(const bigint& other) { + auto size = other.bigits_.size(); + bigits_.resize(size); + auto data = other.bigits_.data(); + std::copy(data, data + size, make_checked(bigits_.data(), size)); + exp_ = other.exp_; + } + + template FMT_CONSTEXPR20 void operator=(Int n) { + FMT_ASSERT(n > 0, ""); + assign(uint64_or_128_t(n)); + } + + FMT_CONSTEXPR20 int num_bigits() const { + return static_cast(bigits_.size()) + exp_; + } + + FMT_NOINLINE FMT_CONSTEXPR20 bigint& operator<<=(int shift) { + FMT_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 FMT_CONSTEXPR20 bigint& operator*=(Int value) { + FMT_ASSERT(value > 0, ""); + multiply(uint32_or_64_or_128_t(value)); + return *this; + } + + friend FMT_CONSTEXPR20 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 FMT_CONSTEXPR20 int add_compare(const bigint& lhs1, const bigint& lhs2, + const bigint& rhs) { + auto minimum = [](int a, int b) { return a < b ? a : b; }; + auto maximum = [](int a, int b) { return a > b ? a : b; }; + int max_lhs_bigits = maximum(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 = minimum(minimum(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. + FMT_CONSTEXPR20 void assign_pow10(int exp) { + FMT_ASSERT(exp >= 0, ""); + if (exp == 0) return *this = 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. + *this = 5; + bitmask >>= 1; + while (bitmask != 0) { + square(); + if ((exp & bitmask) != 0) *this *= 5; + bitmask >>= 1; + } + *this <<= exp; // Multiply by pow(2, exp) by shifting. + } + + FMT_CONSTEXPR20 void square() { + int num_bigits = static_cast(bigits_.size()); + int num_result_bigits = 2 * num_bigits; + basic_memory_buffer n(std::move(bigits_)); + bigits_.resize(to_unsigned(num_result_bigits)); + auto sum = uint128_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 >>= num_bits(); // 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 >>= num_bits(); + } + remove_leading_zeros(); + exp_ *= 2; + } + + // If this bigint has a bigger exponent than other, adds trailing zero to make + // exponents equal. This simplifies some operations such as subtraction. + FMT_CONSTEXPR20 void align(const bigint& other) { + int exp_difference = exp_ - other.exp_; + if (exp_difference <= 0) return; + int num_bigits = static_cast(bigits_.size()); + 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; + } + + // Divides this bignum by divisor, assigning the remainder to this and + // returning the quotient. + FMT_CONSTEXPR20 int divmod_assign(const bigint& divisor) { + FMT_ASSERT(this != &divisor, ""); + if (compare(*this, divisor) < 0) return 0; + FMT_ASSERT(divisor.bigits_[divisor.bigits_.size() - 1u] != 0, ""); + align(divisor); + int quotient = 0; + do { + subtract_aligned(divisor); + ++quotient; + } while (compare(*this, divisor) >= 0); + return quotient; + } }; // format_dragon flags. enum dragon { - predecessor_closer = 1, - fixup = 2, // Run fixup to correct exp10 which can be off by one. - fixed = 4, + predecessor_closer = 1, + fixup = 2, // Run fixup to correct exp10 which can be off by one. + fixed = 4, }; // Formats a floating-point number using a variation of the Fixed-Precision @@ -3138,320 +2969,324 @@ enum dragon { // https://fmt.dev/papers/p372-steele.pdf. FMT_CONSTEXPR20 inline void format_dragon(basic_fp value, unsigned flags, int num_digits, - 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). - // 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. - bool is_predecessor_closer = (flags & dragon::predecessor_closer) != 0; - int shift = is_predecessor_closer ? 2 : 1; - if (value.e >= 0) { - numerator = value.f; - numerator <<= value.e + shift; - lower = 1; - lower <<= value.e; - if (is_predecessor_closer) { - upper_store = 1; - upper_store <<= value.e + 1; - upper = &upper_store; - } - denominator.assign_pow10(exp10); - denominator <<= shift; - } else if (exp10 < 0) { - numerator.assign_pow10(-exp10); - lower.assign(numerator); - if (is_predecessor_closer) { - upper_store.assign(numerator); - upper_store <<= 1; - upper = &upper_store; - } - numerator *= value.f; - numerator <<= shift; - denominator = 1; - denominator <<= shift - value.e; - } else { - numerator = value.f; - numerator <<= shift; - denominator.assign_pow10(exp10); - denominator <<= shift - value.e; - lower = 1; - if (is_predecessor_closer) { - upper_store = 1ULL << 1; - upper = &upper_store; - } - } - int even = static_cast((value.f & 1) == 0); - if (!upper) upper = &lower; - if ((flags & dragon::fixup) != 0) { - if (add_compare(numerator, *upper, denominator) + even <= 0) { - --exp10; - numerator *= 10; - if (num_digits < 0) { - lower *= 10; - if (upper != &lower) *upper *= 10; - } - } - if ((flags & dragon::fixed) != 0) adjust_precision(num_digits, exp10 + 1); - } - // Invariant: value == (numerator / denominator) * pow(10, exp10). - if (num_digits < 0) { - // Generate the shortest representation. - 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.try_resize(to_unsigned(num_digits)); - exp10 -= num_digits - 1; - return; - } - numerator *= 10; - lower *= 10; - if (upper != &lower) *upper *= 10; + 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). + // 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. + bool is_predecessor_closer = (flags & dragon::predecessor_closer) != 0; + int shift = is_predecessor_closer ? 2 : 1; + if (value.e >= 0) { + numerator = value.f; + numerator <<= value.e + shift; + lower = 1; + lower <<= value.e; + if (is_predecessor_closer) { + upper_store = 1; + upper_store <<= value.e + 1; + upper = &upper_store; + } + denominator.assign_pow10(exp10); + denominator <<= shift; + } else if (exp10 < 0) { + numerator.assign_pow10(-exp10); + lower.assign(numerator); + if (is_predecessor_closer) { + upper_store.assign(numerator); + upper_store <<= 1; + upper = &upper_store; + } + numerator *= value.f; + numerator <<= shift; + denominator = 1; + denominator <<= shift - value.e; + } else { + numerator = value.f; + numerator <<= shift; + denominator.assign_pow10(exp10); + denominator <<= shift - value.e; + lower = 1; + if (is_predecessor_closer) { + upper_store = 1ULL << 1; + upper = &upper_store; + } + } + int even = static_cast((value.f & 1) == 0); + if (!upper) upper = &lower; + if ((flags & dragon::fixup) != 0) { + if (add_compare(numerator, *upper, denominator) + even <= 0) { + --exp10; + numerator *= 10; + if (num_digits < 0) { + lower *= 10; + if (upper != &lower) *upper *= 10; + } + } + if ((flags & dragon::fixed) != 0) adjust_precision(num_digits, exp10 + 1); + } + // Invariant: value == (numerator / denominator) * pow(10, exp10). + if (num_digits < 0) { + // Generate the shortest representation. + 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]; } - } - // Generate the given number of digits. - exp10 -= num_digits - 1; - if (num_digits == 0) { - denominator *= 10; - auto digit = add_compare(numerator, numerator, denominator) > 0 ? '1' : '0'; - buf.push_back(digit); + buf.try_resize(to_unsigned(num_digits)); + exp10 -= num_digits - 1; return; - } - buf.try_resize(to_unsigned(num_digits)); - for (int i = 0; i < num_digits - 1; ++i) { - int digit = numerator.divmod_assign(denominator); - buf[i] = static_cast('0' + digit); - numerator *= 10; - } + } + numerator *= 10; + lower *= 10; + if (upper != &lower) *upper *= 10; + } + } + // Generate the given number of digits. + exp10 -= num_digits - 1; + if (num_digits == 0) { + denominator *= 10; + auto digit = add_compare(numerator, numerator, denominator) > 0 ? '1' : '0'; + buf.push_back(digit); + return; + } + buf.try_resize(to_unsigned(num_digits)); + for (int i = 0; i < num_digits - 1; ++i) { int digit = numerator.divmod_assign(denominator); - auto result = add_compare(numerator, numerator, denominator); - if (result > 0 || (result == 0 && (digit % 2) != 0)) { - if (digit == 9) { - const auto overflow = '0' + 10; - buf[num_digits - 1] = overflow; - // Propagate the carry. - for (int i = num_digits - 1; i > 0 && buf[i] == overflow; --i) { - buf[i] = '0'; - ++buf[i - 1]; - } - if (buf[0] == overflow) { - buf[0] = '1'; - ++exp10; - } - return; - } - ++digit; - } - buf[num_digits - 1] = static_cast('0' + digit); -} - -template + buf[i] = static_cast('0' + digit); + numerator *= 10; + } + int digit = numerator.divmod_assign(denominator); + auto result = add_compare(numerator, numerator, denominator); + if (result > 0 || (result == 0 && (digit % 2) != 0)) { + if (digit == 9) { + const auto overflow = '0' + 10; + buf[num_digits - 1] = overflow; + // Propagate the carry. + for (int i = num_digits - 1; i > 0 && buf[i] == overflow; --i) { + buf[i] = '0'; + ++buf[i - 1]; + } + if (buf[0] == overflow) { + buf[0] = '1'; + ++exp10; + } + return; + } + ++digit; + } + buf[num_digits - 1] = static_cast('0' + digit); +} + +template FMT_CONSTEXPR20 auto format_float(Float value, int precision, float_specs specs, - buffer &buf) -> int { - // float is passed as double to reduce the number of instantiations. - static_assert(!std::is_same::value, ""); - FMT_ASSERT(value >= 0, "value is negative"); - auto converted_value = convert_float(value); - - 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.try_resize(to_unsigned(precision)); - fill_n(buf.data(), precision, '0'); - return -precision; - } - - int exp = 0; - bool use_dragon = true; - unsigned dragon_flags = 0; - if (!is_fast_float()) { - const auto inv_log2_10 = 0.3010299956639812; // 1 / log2(10) - using info = dragonbox::float_info; - const auto f = basic_fp(converted_value); - // Compute exp, an approximate power of 10, such that - // 10^(exp - 1) <= value < 10^exp or 10^exp <= value < 10^(exp + 1). - // This is based on log10(value) == log2(value) / log2(10) and approximation - // of log2(value) by e + num_fraction_bits idea from double-conversion. - exp = static_cast( - std::ceil((f.e + count_digits<1>(f.f) - 1) * inv_log2_10 - 1e-10)); - dragon_flags = dragon::fixup; - } else if (!is_constant_evaluated() && precision < 0) { - // Use Dragonbox for the shortest format. - if (specs.binary32) { - auto dec = dragonbox::to_decimal(static_cast(value)); - write(buffer_appender(buf), dec.significand); - return dec.exponent; - } - auto dec = dragonbox::to_decimal(static_cast(value)); - write(buffer_appender(buf), dec.significand); - return dec.exponent; + buffer& buf) -> int { + // float is passed as double to reduce the number of instantiations. + static_assert(!std::is_same::value, ""); + FMT_ASSERT(value >= 0, "value is negative"); + auto converted_value = convert_float(value); + + 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.try_resize(to_unsigned(precision)); + fill_n(buf.data(), precision, '0'); + return -precision; + } + + int exp = 0; + bool use_dragon = true; + unsigned dragon_flags = 0; + if (!is_fast_float()) { + const auto inv_log2_10 = 0.3010299956639812; // 1 / log2(10) + using info = dragonbox::float_info; + const auto f = basic_fp(converted_value); + // Compute exp, an approximate power of 10, such that + // 10^(exp - 1) <= value < 10^exp or 10^exp <= value < 10^(exp + 1). + // This is based on log10(value) == log2(value) / log2(10) and approximation + // of log2(value) by e + num_fraction_bits idea from double-conversion. + exp = static_cast( + std::ceil((f.e + count_digits<1>(f.f) - 1) * inv_log2_10 - 1e-10)); + dragon_flags = dragon::fixup; + } else if (!is_constant_evaluated() && precision < 0) { + // Use Dragonbox for the shortest format. + if (specs.binary32) { + auto dec = dragonbox::to_decimal(static_cast(value)); + write(buffer_appender(buf), dec.significand); + return dec.exponent; + } + auto dec = dragonbox::to_decimal(static_cast(value)); + write(buffer_appender(buf), dec.significand); + return dec.exponent; + } else { + // Use Grisu + Dragon4 for the given precision: + // https://www.cs.tufts.edu/~nr/cs257/archive/florian-loitsch/printf.pdf. + const int min_exp = -60; // alpha in Grisu. + int cached_exp10 = 0; // K in Grisu. + fp normalized = normalize(fp(converted_value)); + const auto cached_pow = get_cached_power( + min_exp - (normalized.e + fp::num_significand_bits), cached_exp10); + normalized = normalized * cached_pow; + gen_digits_handler handler{buf.data(), 0, precision, -cached_exp10, fixed}; + if (grisu_gen_digits(normalized, 1, exp, handler) != digits::error && + !is_constant_evaluated()) { + exp += handler.exp10; + buf.try_resize(to_unsigned(handler.size)); + use_dragon = false; } else { - // Use Grisu + Dragon4 for the given precision: - // https://www.cs.tufts.edu/~nr/cs257/archive/florian-loitsch/printf.pdf. - const int min_exp = -60; // alpha in Grisu. - int cached_exp10 = 0; // K in Grisu. - fp normalized = normalize(fp(converted_value)); - const auto cached_pow = get_cached_power( - min_exp - (normalized.e + fp::num_significand_bits), cached_exp10); - normalized = normalized * cached_pow; - gen_digits_handler handler{buf.data(), 0, precision, -cached_exp10, fixed}; - if (grisu_gen_digits(normalized, 1, exp, handler) != digits::error && - !is_constant_evaluated()) { - exp += handler.exp10; - buf.try_resize(to_unsigned(handler.size)); - use_dragon = false; - } else { - exp += handler.size - cached_exp10 - 1; - precision = handler.precision; - } - } - if (use_dragon) { - auto f = basic_fp(); - bool is_predecessor_closer = specs.binary32 ? f.assign(static_cast(value)) : f.assign(converted_value); - if (is_predecessor_closer) dragon_flags |= dragon::predecessor_closer; - if (fixed) dragon_flags |= dragon::fixed; - // Limit precision to the maximum possible number of significant digits in - // an IEEE754 double because we don't need to generate zeros. - const int max_double_digits = 767; - if (precision > max_double_digits) precision = max_double_digits; - format_dragon(f, dragon_flags, precision, buf, exp); - } - if (!fixed && !specs.showpoint) { - // Remove trailing zeros. - auto num_digits = buf.size(); - while (num_digits > 0 && buf[num_digits - 1] == '0') { - --num_digits; - ++exp; - } - buf.try_resize(num_digits); - } - return exp; -} - -template::value)> + exp += handler.size - cached_exp10 - 1; + precision = handler.precision; + } + } + if (use_dragon) { + auto f = basic_fp(); + bool is_predecessor_closer = specs.binary32 + ? f.assign(static_cast(value)) + : f.assign(converted_value); + if (is_predecessor_closer) dragon_flags |= dragon::predecessor_closer; + if (fixed) dragon_flags |= dragon::fixed; + // Limit precision to the maximum possible number of significant digits in + // an IEEE754 double because we don't need to generate zeros. + const int max_double_digits = 767; + if (precision > max_double_digits) precision = max_double_digits; + format_dragon(f, dragon_flags, precision, buf, exp); + } + if (!fixed && !specs.showpoint) { + // Remove trailing zeros. + auto num_digits = buf.size(); + while (num_digits > 0 && buf[num_digits - 1] == '0') { + --num_digits; + ++exp; + } + buf.try_resize(num_digits); + } + return exp; +} + +template ::value)> FMT_CONSTEXPR20 auto write(OutputIt out, T value, basic_format_specs specs, locale_ref loc = {}) -> OutputIt { - if (const_check(!is_supported_floating_point(value))) return out; - float_specs fspecs = parse_float_type_spec(specs); - fspecs.sign = specs.sign; - if (detail::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 (!detail::isfinite(value)) - return write_nonfinite(out, detail::isnan(value), specs, fspecs); - - if (specs.align == align::numeric && fspecs.sign) { - auto it = reserve(out, 1); - *it++ = detail::sign(fspecs.sign); - out = base_iterator(out, it); - fspecs.sign = sign::none; - if (specs.width != 0) --specs.width; - } - - memory_buffer buffer; - if (fspecs.format == float_format::hex) { - if (fspecs.sign) buffer.push_back(detail::sign(fspecs.sign)); - snprintf_float(convert_float(value), specs.precision, fspecs, buffer); - return write_bytes(out, {buffer.data(), buffer.size()}, - specs); - } - int precision = specs.precision >= 0 || specs.type == presentation_type::none ? specs.precision : 6; - if (fspecs.format == float_format::exp) { - if (precision == max_value()) - throw_format_error("number is too big"); - else - ++precision; - } else if (fspecs.format != float_format::fixed && precision == 0) { - precision = 1; - } - if (const_check(std::is_same())) fspecs.binary32 = true; - int exp = format_float(convert_float(value), precision, fspecs, buffer); - fspecs.precision = precision; - auto f = big_decimal_fp{buffer.data(), static_cast(buffer.size()), exp}; - return write_float(out, f, specs, fspecs, loc); -} - -template::value)> + if (const_check(!is_supported_floating_point(value))) return out; + float_specs fspecs = parse_float_type_spec(specs); + fspecs.sign = specs.sign; + if (detail::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 (!detail::isfinite(value)) + return write_nonfinite(out, detail::isnan(value), specs, fspecs); + + if (specs.align == align::numeric && fspecs.sign) { + auto it = reserve(out, 1); + *it++ = detail::sign(fspecs.sign); + out = base_iterator(out, it); + fspecs.sign = sign::none; + if (specs.width != 0) --specs.width; + } + + memory_buffer buffer; + if (fspecs.format == float_format::hex) { + if (fspecs.sign) buffer.push_back(detail::sign(fspecs.sign)); + snprintf_float(convert_float(value), specs.precision, fspecs, buffer); + return write_bytes(out, {buffer.data(), buffer.size()}, + specs); + } + int precision = specs.precision >= 0 || specs.type == presentation_type::none + ? specs.precision + : 6; + if (fspecs.format == float_format::exp) { + if (precision == max_value()) + throw_format_error("number is too big"); + else + ++precision; + } else if (fspecs.format != float_format::fixed && precision == 0) { + precision = 1; + } + if (const_check(std::is_same())) fspecs.binary32 = true; + int exp = format_float(convert_float(value), precision, fspecs, buffer); + fspecs.precision = precision; + auto f = big_decimal_fp{buffer.data(), static_cast(buffer.size()), exp}; + return write_float(out, f, specs, fspecs, loc); +} + +template ::value)> FMT_CONSTEXPR20 auto write(OutputIt out, T value) -> OutputIt { - if (is_constant_evaluated()) - return write(out, value, basic_format_specs()); - if (const_check(!is_supported_floating_point(value))) return out; - - auto fspecs = float_specs(); - if (detail::signbit(value)) { - fspecs.sign = sign::minus; - value = -value; - } + if (is_constant_evaluated()) + return write(out, value, basic_format_specs()); + if (const_check(!is_supported_floating_point(value))) return out; - constexpr auto specs = basic_format_specs(); - using floaty = conditional_t::value, double, T>; - using uint = typename dragonbox::float_info::carrier_uint; - uint mask = exponent_mask(); - if ((bit_cast(value) & mask) == mask) - return write_nonfinite(out, std::isnan(value), specs, fspecs); + auto fspecs = float_specs(); + if (detail::signbit(value)) { + fspecs.sign = sign::minus; + value = -value; + } - auto dec = dragonbox::to_decimal(static_cast(value)); - return write_float(out, dec, specs, fspecs, {}); + constexpr auto specs = basic_format_specs(); + using floaty = conditional_t::value, double, T>; + using uint = typename dragonbox::float_info::carrier_uint; + uint mask = exponent_mask(); + if ((bit_cast(value) & mask) == mask) + return write_nonfinite(out, std::isnan(value), specs, fspecs); + + auto dec = dragonbox::to_decimal(static_cast(value)); + return write_float(out, dec, specs, fspecs, {}); } -template::value && - !is_fast_float::value)> +template ::value && + !is_fast_float::value)> inline auto write(OutputIt out, T value) -> OutputIt { - return write(out, value, basic_format_specs()); + return write(out, value, basic_format_specs()); } -template +template auto write(OutputIt out, monostate, basic_format_specs = {}, locale_ref = {}) -> OutputIt { - FMT_ASSERT(false, ""); - return out; + FMT_ASSERT(false, ""); + return out; } -template +template FMT_CONSTEXPR auto write(OutputIt out, basic_string_view value) -> OutputIt { - auto it = reserve(out, value.size()); - it = copy_str_noinline(value.begin(), value.end(), it); - return base_iterator(out, it); + auto it = reserve(out, value.size()); + it = copy_str_noinline(value.begin(), value.end(), it); + return base_iterator(out, it); } -template::value)> -constexpr auto write(OutputIt out, const T &value) -> OutputIt { - return write(out, to_string_view(value)); +template ::value)> +constexpr auto write(OutputIt out, const T& value) -> OutputIt { + return write(out, to_string_view(value)); } // FMT_ENABLE_IF() condition separated to workaround an MSVC bug. -template< +template < typename Char, typename OutputIt, typename T, bool check = std::is_enum::value && !std::is_same::value && @@ -3459,332 +3294,308 @@ template< type::custom_type, FMT_ENABLE_IF(check)> FMT_CONSTEXPR auto write(OutputIt out, T value) -> OutputIt { - return write(out, static_cast>(value)); + return write(out, static_cast>(value)); } -template::value)> +template ::value)> FMT_CONSTEXPR auto write(OutputIt out, T value, - const basic_format_specs &specs = {}, + const basic_format_specs& specs = {}, locale_ref = {}) -> OutputIt { - return specs.type != presentation_type::none && - specs.type != presentation_type::string ? - write(out, value ? 1 : 0, specs, {}) : - write_bytes(out, value ? "true" : "false", specs); + return specs.type != presentation_type::none && + specs.type != presentation_type::string + ? write(out, value ? 1 : 0, specs, {}) + : write_bytes(out, value ? "true" : "false", specs); } -template +template FMT_CONSTEXPR auto write(OutputIt out, Char value) -> OutputIt { - auto it = reserve(out, 1); - *it++ = value; - return base_iterator(out, it); + auto it = reserve(out, 1); + *it++ = value; + return base_iterator(out, it); } -template -FMT_CONSTEXPR_CHAR_TRAITS auto write(OutputIt out, const Char *value) +template +FMT_CONSTEXPR_CHAR_TRAITS auto write(OutputIt out, const Char* value) -> OutputIt { - if (!value) { - throw_format_error("string pointer is null"); - } else { - out = write(out, basic_string_view(value)); - } - return out; -} - -template::value)> -auto write(OutputIt out, const T *value, - const basic_format_specs &specs = {}, locale_ref = {}) + if (!value) { + throw_format_error("string pointer is null"); + } else { + out = write(out, basic_string_view(value)); + } + return out; +} + +template ::value)> +auto write(OutputIt out, const T* value, + const basic_format_specs& specs = {}, locale_ref = {}) -> OutputIt { - check_pointer_type_spec(specs.type, error_handler()); - return write_ptr(out, bit_cast(value), &specs); + check_pointer_type_spec(specs.type, error_handler()); + return write_ptr(out, bit_cast(value), &specs); } // A write overload that handles implicit conversions. -template> -FMT_CONSTEXPR auto write(OutputIt out, const T &value) -> enable_if_t< +template > +FMT_CONSTEXPR auto write(OutputIt out, const T& value) -> enable_if_t< std::is_class::value && !is_string::value && !is_floating_point::value && !std::is_same::value && - !std::is_same().map(value))>::value, OutputIt> { - return write(out, arg_mapper().map(value)); + return write(out, arg_mapper().map(value)); } -template> -FMT_CONSTEXPR auto write(OutputIt out, const T &value) +template > +FMT_CONSTEXPR auto write(OutputIt out, const T& value) -> enable_if_t::value == type::custom_type, OutputIt> { - using formatter_type = - conditional_t::value, - typename Context::template formatter_type, - fallback_formatter>; - auto ctx = Context(out, {}, {}); - return formatter_type().format(value, ctx); + using formatter_type = + conditional_t::value, + typename Context::template formatter_type, + fallback_formatter>; + auto ctx = Context(out, {}, {}); + return formatter_type().format(value, ctx); } // An argument visitor that formats the argument and writes it via the output // iterator. It's a class and not a generic lambda for compatibility with C++11. -template -struct default_arg_formatter { - using iterator = buffer_appender; - using context = buffer_context; - - iterator out; - basic_format_args args; - locale_ref loc; - - template - auto operator()(T value) -> iterator { - return write(out, value); - } - auto operator()(typename basic_format_arg::handle h) -> iterator { - basic_format_parse_context parse_ctx({}); - context format_ctx(out, args, loc); - h.format(parse_ctx, format_ctx); - return format_ctx.out(); - } +template struct default_arg_formatter { + using iterator = buffer_appender; + using context = buffer_context; + + iterator out; + basic_format_args args; + locale_ref loc; + + template auto operator()(T value) -> iterator { + return write(out, value); + } + auto operator()(typename basic_format_arg::handle h) -> iterator { + basic_format_parse_context parse_ctx({}); + context format_ctx(out, args, loc); + h.format(parse_ctx, format_ctx); + return format_ctx.out(); + } }; -template -struct arg_formatter { - using iterator = buffer_appender; - using context = buffer_context; - - iterator out; - const basic_format_specs &specs; - locale_ref locale; - - template - FMT_CONSTEXPR FMT_INLINE auto operator()(T value) -> iterator { - return detail::write(out, value, specs, locale); - } - auto operator()(typename basic_format_arg::handle) -> iterator { - // User-defined types are handled separately because they require access - // to the parse context. - return out; - } +template struct arg_formatter { + using iterator = buffer_appender; + using context = buffer_context; + + iterator out; + const basic_format_specs& specs; + locale_ref locale; + + template + FMT_CONSTEXPR FMT_INLINE auto operator()(T value) -> iterator { + return detail::write(out, value, specs, locale); + } + auto operator()(typename basic_format_arg::handle) -> iterator { + // User-defined types are handled separately because they require access + // to the parse context. + return out; + } }; -template -struct custom_formatter { - basic_format_parse_context &parse_ctx; - buffer_context &ctx; +template struct custom_formatter { + basic_format_parse_context& parse_ctx; + buffer_context& ctx; - void operator()( - typename basic_format_arg>::handle h) const { - h.format(parse_ctx, ctx); - } - template - void operator()(T) const { - } + void operator()( + typename basic_format_arg>::handle h) const { + h.format(parse_ctx, ctx); + } + template void operator()(T) const {} }; -template +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 class width_checker { + public: + explicit FMT_CONSTEXPR width_checker(ErrorHandler& eh) : handler_(eh) {} - template::value)> - FMT_CONSTEXPR auto operator()(T value) -> unsigned long long { - if (is_negative(value)) handler_.on_error("negative width"); - return static_cast(value); - } + template ::value)> + FMT_CONSTEXPR auto operator()(T value) -> unsigned long long { + if (is_negative(value)) handler_.on_error("negative width"); + return static_cast(value); + } - template::value)> - FMT_CONSTEXPR auto operator()(T) -> unsigned long long { - handler_.on_error("width is not integer"); - return 0; - } + template ::value)> + FMT_CONSTEXPR auto operator()(T) -> unsigned long long { + handler_.on_error("width is not integer"); + return 0; + } -private: - ErrorHandler &handler_; + private: + ErrorHandler& handler_; }; -template -class precision_checker { -public: - explicit FMT_CONSTEXPR precision_checker(ErrorHandler &eh) - : handler_(eh) { - } +template class precision_checker { + public: + explicit FMT_CONSTEXPR precision_checker(ErrorHandler& eh) : handler_(eh) {} - template::value)> - FMT_CONSTEXPR auto operator()(T value) -> unsigned long long { - if (is_negative(value)) handler_.on_error("negative precision"); - return static_cast(value); - } + template ::value)> + FMT_CONSTEXPR auto operator()(T value) -> unsigned long long { + if (is_negative(value)) handler_.on_error("negative precision"); + return static_cast(value); + } - template::value)> - FMT_CONSTEXPR auto operator()(T) -> unsigned long long { - handler_.on_error("precision is not integer"); - return 0; - } + template ::value)> + FMT_CONSTEXPR auto operator()(T) -> unsigned long long { + handler_.on_error("precision is not integer"); + return 0; + } -private: - ErrorHandler &handler_; + private: + ErrorHandler& handler_; }; -template class Handler, typename FormatArg, - typename ErrorHandler> +template