From ca5db71e8215a6c5660fe03088a6d7349f55f817 Mon Sep 17 00:00:00 2001 From: BobTheBob <32057864+BobTheBob9@users.noreply.github.com> Date: Sat, 17 Jul 2021 22:33:00 +0100 Subject: add support for custom convars and concommands --- NorthstarDedicatedTest/include/spdlog/async.h | 93 + .../include/spdlog/async_logger-inl.h | 92 + .../include/spdlog/async_logger.h | 68 + NorthstarDedicatedTest/include/spdlog/cfg/argv.h | 44 + NorthstarDedicatedTest/include/spdlog/cfg/env.h | 38 + .../include/spdlog/cfg/helpers-inl.h | 120 + .../include/spdlog/cfg/helpers.h | 29 + NorthstarDedicatedTest/include/spdlog/common-inl.h | 82 + NorthstarDedicatedTest/include/spdlog/common.h | 249 ++ .../include/spdlog/details/backtracer-inl.h | 69 + .../include/spdlog/details/backtracer.h | 45 + .../include/spdlog/details/circular_q.h | 141 + .../include/spdlog/details/console_globals.h | 32 + .../include/spdlog/details/file_helper-inl.h | 147 + .../include/spdlog/details/file_helper.h | 59 + .../include/spdlog/details/fmt_helper.h | 116 + .../include/spdlog/details/log_msg-inl.h | 37 + .../include/spdlog/details/log_msg.h | 36 + .../include/spdlog/details/log_msg_buffer-inl.h | 60 + .../include/spdlog/details/log_msg_buffer.h | 33 + .../include/spdlog/details/mpmc_blocking_q.h | 126 + .../include/spdlog/details/null_mutex.h | 49 + .../include/spdlog/details/os-inl.h | 589 +++ NorthstarDedicatedTest/include/spdlog/details/os.h | 118 + .../include/spdlog/details/periodic_worker-inl.h | 49 + .../include/spdlog/details/periodic_worker.h | 40 + .../include/spdlog/details/registry-inl.h | 313 ++ .../include/spdlog/details/registry.h | 115 + .../include/spdlog/details/synchronous_factory.h | 24 + .../include/spdlog/details/tcp_client-windows.h | 175 + .../include/spdlog/details/tcp_client.h | 146 + .../include/spdlog/details/thread_pool-inl.h | 129 + .../include/spdlog/details/thread_pool.h | 121 + .../include/spdlog/details/windows_include.h | 11 + .../include/spdlog/fmt/bin_to_hex.h | 216 ++ .../include/spdlog/fmt/bundled/LICENSE.rst | 27 + .../include/spdlog/fmt/bundled/chrono.h | 1118 ++++++ .../include/spdlog/fmt/bundled/color.h | 603 +++ .../include/spdlog/fmt/bundled/compile.h | 701 ++++ .../include/spdlog/fmt/bundled/core.h | 2122 +++++++++++ .../include/spdlog/fmt/bundled/format-inl.h | 2801 ++++++++++++++ .../include/spdlog/fmt/bundled/format.h | 3960 ++++++++++++++++++++ .../include/spdlog/fmt/bundled/locale.h | 64 + .../include/spdlog/fmt/bundled/os.h | 480 +++ .../include/spdlog/fmt/bundled/ostream.h | 177 + .../include/spdlog/fmt/bundled/posix.h | 2 + .../include/spdlog/fmt/bundled/printf.h | 751 ++++ .../include/spdlog/fmt/bundled/ranges.h | 396 ++ NorthstarDedicatedTest/include/spdlog/fmt/chrono.h | 20 + NorthstarDedicatedTest/include/spdlog/fmt/fmt.h | 27 + NorthstarDedicatedTest/include/spdlog/fmt/ostr.h | 20 + NorthstarDedicatedTest/include/spdlog/formatter.h | 18 + NorthstarDedicatedTest/include/spdlog/fwd.h | 14 + NorthstarDedicatedTest/include/spdlog/logger-inl.h | 257 ++ NorthstarDedicatedTest/include/spdlog/logger.h | 366 ++ .../include/spdlog/pattern_formatter-inl.h | 1395 +++++++ .../include/spdlog/pattern_formatter.h | 126 + .../include/spdlog/sinks/android_sink.h | 119 + .../include/spdlog/sinks/ansicolor_sink-inl.h | 145 + .../include/spdlog/sinks/ansicolor_sink.h | 118 + .../include/spdlog/sinks/base_sink-inl.h | 63 + .../include/spdlog/sinks/base_sink.h | 52 + .../include/spdlog/sinks/basic_file_sink-inl.h | 43 + .../include/spdlog/sinks/basic_file_sink.h | 58 + .../include/spdlog/sinks/daily_file_sink.h | 238 ++ .../include/spdlog/sinks/dist_sink.h | 97 + .../include/spdlog/sinks/dup_filter_sink.h | 90 + .../include/spdlog/sinks/hourly_file_sink.h | 194 + .../include/spdlog/sinks/msvc_sink.h | 49 + .../include/spdlog/sinks/null_sink.h | 44 + .../include/spdlog/sinks/ostream_sink.h | 50 + .../include/spdlog/sinks/ringbuffer_sink.h | 74 + .../include/spdlog/sinks/rotating_file_sink-inl.h | 131 + .../include/spdlog/sinks/rotating_file_sink.h | 78 + .../include/spdlog/sinks/sink-inl.h | 25 + NorthstarDedicatedTest/include/spdlog/sinks/sink.h | 35 + .../include/spdlog/sinks/stdout_color_sinks-inl.h | 38 + .../include/spdlog/sinks/stdout_color_sinks.h | 45 + .../include/spdlog/sinks/stdout_sinks-inl.h | 135 + .../include/spdlog/sinks/stdout_sinks.h | 87 + .../include/spdlog/sinks/syslog_sink.h | 109 + .../include/spdlog/sinks/systemd_sink.h | 103 + .../include/spdlog/sinks/tcp_sink.h | 81 + .../include/spdlog/sinks/win_eventlog_sink.h | 276 ++ .../include/spdlog/sinks/wincolor_sink-inl.h | 175 + .../include/spdlog/sinks/wincolor_sink.h | 85 + NorthstarDedicatedTest/include/spdlog/spdlog-inl.h | 125 + NorthstarDedicatedTest/include/spdlog/spdlog.h | 295 ++ NorthstarDedicatedTest/include/spdlog/stopwatch.h | 61 + NorthstarDedicatedTest/include/spdlog/tweakme.h | 124 + NorthstarDedicatedTest/include/spdlog/version.h | 10 + 91 files changed, 22708 insertions(+) create mode 100644 NorthstarDedicatedTest/include/spdlog/async.h create mode 100644 NorthstarDedicatedTest/include/spdlog/async_logger-inl.h create mode 100644 NorthstarDedicatedTest/include/spdlog/async_logger.h create mode 100644 NorthstarDedicatedTest/include/spdlog/cfg/argv.h create mode 100644 NorthstarDedicatedTest/include/spdlog/cfg/env.h create mode 100644 NorthstarDedicatedTest/include/spdlog/cfg/helpers-inl.h create mode 100644 NorthstarDedicatedTest/include/spdlog/cfg/helpers.h create mode 100644 NorthstarDedicatedTest/include/spdlog/common-inl.h create mode 100644 NorthstarDedicatedTest/include/spdlog/common.h create mode 100644 NorthstarDedicatedTest/include/spdlog/details/backtracer-inl.h create mode 100644 NorthstarDedicatedTest/include/spdlog/details/backtracer.h create mode 100644 NorthstarDedicatedTest/include/spdlog/details/circular_q.h create mode 100644 NorthstarDedicatedTest/include/spdlog/details/console_globals.h create mode 100644 NorthstarDedicatedTest/include/spdlog/details/file_helper-inl.h create mode 100644 NorthstarDedicatedTest/include/spdlog/details/file_helper.h create mode 100644 NorthstarDedicatedTest/include/spdlog/details/fmt_helper.h create mode 100644 NorthstarDedicatedTest/include/spdlog/details/log_msg-inl.h create mode 100644 NorthstarDedicatedTest/include/spdlog/details/log_msg.h create mode 100644 NorthstarDedicatedTest/include/spdlog/details/log_msg_buffer-inl.h create mode 100644 NorthstarDedicatedTest/include/spdlog/details/log_msg_buffer.h create mode 100644 NorthstarDedicatedTest/include/spdlog/details/mpmc_blocking_q.h create mode 100644 NorthstarDedicatedTest/include/spdlog/details/null_mutex.h create mode 100644 NorthstarDedicatedTest/include/spdlog/details/os-inl.h create mode 100644 NorthstarDedicatedTest/include/spdlog/details/os.h create mode 100644 NorthstarDedicatedTest/include/spdlog/details/periodic_worker-inl.h create mode 100644 NorthstarDedicatedTest/include/spdlog/details/periodic_worker.h create mode 100644 NorthstarDedicatedTest/include/spdlog/details/registry-inl.h create mode 100644 NorthstarDedicatedTest/include/spdlog/details/registry.h create mode 100644 NorthstarDedicatedTest/include/spdlog/details/synchronous_factory.h create mode 100644 NorthstarDedicatedTest/include/spdlog/details/tcp_client-windows.h create mode 100644 NorthstarDedicatedTest/include/spdlog/details/tcp_client.h create mode 100644 NorthstarDedicatedTest/include/spdlog/details/thread_pool-inl.h create mode 100644 NorthstarDedicatedTest/include/spdlog/details/thread_pool.h create mode 100644 NorthstarDedicatedTest/include/spdlog/details/windows_include.h create mode 100644 NorthstarDedicatedTest/include/spdlog/fmt/bin_to_hex.h create mode 100644 NorthstarDedicatedTest/include/spdlog/fmt/bundled/LICENSE.rst create mode 100644 NorthstarDedicatedTest/include/spdlog/fmt/bundled/chrono.h create mode 100644 NorthstarDedicatedTest/include/spdlog/fmt/bundled/color.h create mode 100644 NorthstarDedicatedTest/include/spdlog/fmt/bundled/compile.h create mode 100644 NorthstarDedicatedTest/include/spdlog/fmt/bundled/core.h create mode 100644 NorthstarDedicatedTest/include/spdlog/fmt/bundled/format-inl.h create mode 100644 NorthstarDedicatedTest/include/spdlog/fmt/bundled/format.h create mode 100644 NorthstarDedicatedTest/include/spdlog/fmt/bundled/locale.h create mode 100644 NorthstarDedicatedTest/include/spdlog/fmt/bundled/os.h create mode 100644 NorthstarDedicatedTest/include/spdlog/fmt/bundled/ostream.h create mode 100644 NorthstarDedicatedTest/include/spdlog/fmt/bundled/posix.h create mode 100644 NorthstarDedicatedTest/include/spdlog/fmt/bundled/printf.h create mode 100644 NorthstarDedicatedTest/include/spdlog/fmt/bundled/ranges.h create mode 100644 NorthstarDedicatedTest/include/spdlog/fmt/chrono.h create mode 100644 NorthstarDedicatedTest/include/spdlog/fmt/fmt.h create mode 100644 NorthstarDedicatedTest/include/spdlog/fmt/ostr.h create mode 100644 NorthstarDedicatedTest/include/spdlog/formatter.h create mode 100644 NorthstarDedicatedTest/include/spdlog/fwd.h create mode 100644 NorthstarDedicatedTest/include/spdlog/logger-inl.h create mode 100644 NorthstarDedicatedTest/include/spdlog/logger.h create mode 100644 NorthstarDedicatedTest/include/spdlog/pattern_formatter-inl.h create mode 100644 NorthstarDedicatedTest/include/spdlog/pattern_formatter.h create mode 100644 NorthstarDedicatedTest/include/spdlog/sinks/android_sink.h create mode 100644 NorthstarDedicatedTest/include/spdlog/sinks/ansicolor_sink-inl.h create mode 100644 NorthstarDedicatedTest/include/spdlog/sinks/ansicolor_sink.h create mode 100644 NorthstarDedicatedTest/include/spdlog/sinks/base_sink-inl.h create mode 100644 NorthstarDedicatedTest/include/spdlog/sinks/base_sink.h create mode 100644 NorthstarDedicatedTest/include/spdlog/sinks/basic_file_sink-inl.h create mode 100644 NorthstarDedicatedTest/include/spdlog/sinks/basic_file_sink.h create mode 100644 NorthstarDedicatedTest/include/spdlog/sinks/daily_file_sink.h create mode 100644 NorthstarDedicatedTest/include/spdlog/sinks/dist_sink.h create mode 100644 NorthstarDedicatedTest/include/spdlog/sinks/dup_filter_sink.h create mode 100644 NorthstarDedicatedTest/include/spdlog/sinks/hourly_file_sink.h create mode 100644 NorthstarDedicatedTest/include/spdlog/sinks/msvc_sink.h create mode 100644 NorthstarDedicatedTest/include/spdlog/sinks/null_sink.h create mode 100644 NorthstarDedicatedTest/include/spdlog/sinks/ostream_sink.h create mode 100644 NorthstarDedicatedTest/include/spdlog/sinks/ringbuffer_sink.h create mode 100644 NorthstarDedicatedTest/include/spdlog/sinks/rotating_file_sink-inl.h create mode 100644 NorthstarDedicatedTest/include/spdlog/sinks/rotating_file_sink.h create mode 100644 NorthstarDedicatedTest/include/spdlog/sinks/sink-inl.h create mode 100644 NorthstarDedicatedTest/include/spdlog/sinks/sink.h create mode 100644 NorthstarDedicatedTest/include/spdlog/sinks/stdout_color_sinks-inl.h create mode 100644 NorthstarDedicatedTest/include/spdlog/sinks/stdout_color_sinks.h create mode 100644 NorthstarDedicatedTest/include/spdlog/sinks/stdout_sinks-inl.h create mode 100644 NorthstarDedicatedTest/include/spdlog/sinks/stdout_sinks.h create mode 100644 NorthstarDedicatedTest/include/spdlog/sinks/syslog_sink.h create mode 100644 NorthstarDedicatedTest/include/spdlog/sinks/systemd_sink.h create mode 100644 NorthstarDedicatedTest/include/spdlog/sinks/tcp_sink.h create mode 100644 NorthstarDedicatedTest/include/spdlog/sinks/win_eventlog_sink.h create mode 100644 NorthstarDedicatedTest/include/spdlog/sinks/wincolor_sink-inl.h create mode 100644 NorthstarDedicatedTest/include/spdlog/sinks/wincolor_sink.h create mode 100644 NorthstarDedicatedTest/include/spdlog/spdlog-inl.h create mode 100644 NorthstarDedicatedTest/include/spdlog/spdlog.h create mode 100644 NorthstarDedicatedTest/include/spdlog/stopwatch.h create mode 100644 NorthstarDedicatedTest/include/spdlog/tweakme.h create mode 100644 NorthstarDedicatedTest/include/spdlog/version.h (limited to 'NorthstarDedicatedTest/include') diff --git a/NorthstarDedicatedTest/include/spdlog/async.h b/NorthstarDedicatedTest/include/spdlog/async.h new file mode 100644 index 00000000..f7956305 --- /dev/null +++ b/NorthstarDedicatedTest/include/spdlog/async.h @@ -0,0 +1,93 @@ +// Copyright(c) 2015-present, Gabi Melman & spdlog contributors. +// Distributed under the MIT License (http://opensource.org/licenses/MIT) + +#pragma once + +// +// Async logging using global thread pool +// All loggers created here share same global thread pool. +// Each log message is pushed to a queue along with a shared pointer to the +// logger. +// If a logger deleted while having pending messages in the queue, it's actual +// destruction will defer +// until all its messages are processed by the thread pool. +// This is because each message in the queue holds a shared_ptr to the +// originating logger. + +#include +#include +#include + +#include +#include +#include + +namespace spdlog { + +namespace details { +static const size_t default_async_q_size = 8192; +} + +// async logger factory - creates async loggers backed with thread pool. +// 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 +{ + template + 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.. + + auto &mutex = registry_inst.tp_mutex(); + std::lock_guard tp_lock(mutex); + auto tp = registry_inst.get_tp(); + if (tp == nullptr) + { + tp = std::make_shared(details::default_async_q_size, 1); + registry_inst.set_tp(tp); + } + + auto sink = std::make_shared(std::forward(args)...); + auto new_logger = std::make_shared(std::move(logger_name), std::move(sink), std::move(tp), OverflowPolicy); + registry_inst.initialize_logger(new_logger); + return new_logger; + } +}; + +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) +{ + 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) +{ + 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) +{ + auto tp = std::make_shared(q_size, thread_count, on_thread_start); + details::registry::instance().set_tp(std::move(tp)); +} + +// set global thread pool. +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() +{ + return details::registry::instance().get_tp(); +} +} // namespace spdlog diff --git a/NorthstarDedicatedTest/include/spdlog/async_logger-inl.h b/NorthstarDedicatedTest/include/spdlog/async_logger-inl.h new file mode 100644 index 00000000..f8c9694c --- /dev/null +++ b/NorthstarDedicatedTest/include/spdlog/async_logger-inl.h @@ -0,0 +1,92 @@ +// Copyright(c) 2015-present, Gabi Melman & spdlog contributors. +// Distributed under the MIT License (http://opensource.org/licenses/MIT) + +#pragma once + +#ifndef SPDLOG_HEADER_ONLY +#include +#endif + +#include +#include + +#include +#include + +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) +{} + +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) +{} + +// send the log message to the thread pool +SPDLOG_INLINE void spdlog::async_logger::sink_it_(const details::log_msg &msg) +{ + if (auto pool_ptr = thread_pool_.lock()) + { + pool_ptr->post_log(shared_from_this(), msg, overflow_policy_); + } + else + { + throw_spdlog_ex("async log: thread pool doesn't exist anymore"); + } +} + +// send flush request to the thread pool +SPDLOG_INLINE void spdlog::async_logger::flush_() +{ + if (auto pool_ptr = thread_pool_.lock()) + { + pool_ptr->post_flush(shared_from_this(), overflow_policy_); + } + else + { + throw_spdlog_ex("async flush: thread pool doesn't exist anymore"); + } +} + +// +// 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 + { + sink->log(msg); + } + SPDLOG_LOGGER_CATCH() + } + } + + if (should_flush_(msg)) + { + backend_flush_(); + } +} + +SPDLOG_INLINE void spdlog::async_logger::backend_flush_() +{ + for (auto &sink : sinks_) + { + SPDLOG_TRY + { + sink->flush(); + } + SPDLOG_LOGGER_CATCH() + } +} + +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/NorthstarDedicatedTest/include/spdlog/async_logger.h b/NorthstarDedicatedTest/include/spdlog/async_logger.h new file mode 100644 index 00000000..6f299672 --- /dev/null +++ b/NorthstarDedicatedTest/include/spdlog/async_logger.h @@ -0,0 +1,68 @@ +// Copyright(c) 2015-present, Gabi Melman & spdlog contributors. +// Distributed under the MIT License (http://opensource.org/licenses/MIT) + +#pragma once + +// Fast asynchronous logger. +// Uses pre allocated queue. +// Creates a single back thread to pop messages from the queue and log them. +// +// Upon each log write the logger: +// 1. Checks if its log level is enough to log the message +// 2. Push a new copy of the message to a queue (or block the caller until +// space is available in the queue) +// Upon destruction, logs all remaining messages in the queue before +// destructing.. + +#include + +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. +}; + +namespace details { +class thread_pool; +} + +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_logger(std::string logger_name, sinks_init_list sinks_list, std::weak_ptr tp, + 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); + + std::shared_ptr clone(std::string new_name) override; + +protected: + void sink_it_(const details::log_msg &msg) override; + void flush_() override; + void backend_sink_it_(const details::log_msg &incoming_log_msg); + void backend_flush_(); + +private: + std::weak_ptr thread_pool_; + async_overflow_policy overflow_policy_; +}; +} // namespace spdlog + +#ifdef SPDLOG_HEADER_ONLY +#include "async_logger-inl.h" +#endif diff --git a/NorthstarDedicatedTest/include/spdlog/cfg/argv.h b/NorthstarDedicatedTest/include/spdlog/cfg/argv.h new file mode 100644 index 00000000..36d9f1c4 --- /dev/null +++ b/NorthstarDedicatedTest/include/spdlog/cfg/argv.h @@ -0,0 +1,44 @@ +// Copyright(c) 2015-present, Gabi Melman & spdlog contributors. +// Distributed under the MIT License (http://opensource.org/licenses/MIT) + +#pragma once +#include +#include + +// +// Init log levels using each argv entry that starts with "SPDLOG_LEVEL=" +// +// set all loggers to debug level: +// example.exe "SPDLOG_LEVEL=debug" + +// set logger1 to trace level +// example.exe "SPDLOG_LEVEL=logger1=trace" + +// turn off all logging except for logger1 and logger2: +// example.exe "SPDLOG_LEVEL=off,logger1=debug,logger2=info" + +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) +{ + const std::string spdlog_level_prefix = "SPDLOG_LEVEL="; + for (int i = 1; i < argc; i++) + { + std::string arg = argv[i]; + 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) +{ + load_argv_levels(argc, const_cast(argv)); +} + +} // namespace cfg +} // namespace spdlog diff --git a/NorthstarDedicatedTest/include/spdlog/cfg/env.h b/NorthstarDedicatedTest/include/spdlog/cfg/env.h new file mode 100644 index 00000000..1f39ebbb --- /dev/null +++ b/NorthstarDedicatedTest/include/spdlog/cfg/env.h @@ -0,0 +1,38 @@ +// Copyright(c) 2015-present, Gabi Melman & spdlog contributors. +// Distributed under the MIT License (http://opensource.org/licenses/MIT) + +#pragma once +#include +#include +#include + +// +// Init levels and patterns from env variables SPDLOG_LEVEL +// Inspired from Rust's "env_logger" crate (https://crates.io/crates/env_logger). +// Note - fallback to "info" level on unrecognized levels +// +// Examples: +// +// set global level to debug: +// export SPDLOG_LEVEL=debug +// +// turn off all logging except for logger1: +// export SPDLOG_LEVEL="*=off,logger1=debug" +// + +// turn off all logging except for logger1 and logger2: +// export SPDLOG_LEVEL="off,logger1=debug,logger2=info" + +namespace spdlog { +namespace cfg { +inline void load_env_levels() +{ + auto env_val = details::os::getenv("SPDLOG_LEVEL"); + if (!env_val.empty()) + { + helpers::load_levels(env_val); + } +} + +} // namespace cfg +} // namespace spdlog diff --git a/NorthstarDedicatedTest/include/spdlog/cfg/helpers-inl.h b/NorthstarDedicatedTest/include/spdlog/cfg/helpers-inl.h new file mode 100644 index 00000000..9e4daede --- /dev/null +++ b/NorthstarDedicatedTest/include/spdlog/cfg/helpers-inl.h @@ -0,0 +1,120 @@ +// Copyright(c) 2015-present, Gabi Melman & spdlog contributors. +// Distributed under the MIT License (http://opensource.org/licenses/MIT) + +#pragma once + +#ifndef SPDLOG_HEADER_ONLY +#include +#endif + +#include +#include +#include + +#include +#include +#include +#include + +namespace spdlog { +namespace cfg { +namespace helpers { + +// inplace convert to lowercase +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) +{ + const char *spaces = " \n\r\t"; + str.erase(str.find_last_not_of(spaces) + 1); + str.erase(0, str.find_first_not_of(spaces)); + return str; +} + +// return (name,value) trimmed pair from given "name=value" string. +// return empty string on missing parts +// "key=val" => ("key", "val") +// " key = val " => ("key", "val") +// "key=" => ("key", "") +// "val" => ("", "val") + +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) + { + v = str; + } + else + { + k = str.substr(0, n); + v = str.substr(n + 1); + } + return std::make_pair(trim_(k), trim_(v)); +} + +// 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) +{ + std::string token; + std::istringstream token_stream(str); + std::unordered_map rv{}; + while (std::getline(token_stream, token, ',')) + { + if (token.empty()) + { + continue; + } + auto kv = extract_kv_('=', token); + rv[kv.first] = kv.second; + } + return rv; +} + +SPDLOG_INLINE void load_levels(const std::string &input) +{ + if (input.empty() || input.size() > 512) + { + return; + } + + auto key_vals = extract_key_vals_(input); + std::unordered_map levels; + level::level_enum global_level = level::info; + bool global_level_found = false; + + 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") + { + continue; + } + if (logger_name.empty()) // no logger name indicate global level + { + global_level_found = true; + global_level = level; + } + else + { + levels[logger_name] = level; + } + } + + details::registry::instance().set_levels(std::move(levels), global_level_found ? &global_level : nullptr); +} + +} // namespace helpers +} // namespace cfg +} // namespace spdlog diff --git a/NorthstarDedicatedTest/include/spdlog/cfg/helpers.h b/NorthstarDedicatedTest/include/spdlog/cfg/helpers.h new file mode 100644 index 00000000..a795f39a --- /dev/null +++ b/NorthstarDedicatedTest/include/spdlog/cfg/helpers.h @@ -0,0 +1,29 @@ +// Copyright(c) 2015-present, Gabi Melman & spdlog contributors. +// Distributed under the MIT License (http://opensource.org/licenses/MIT) + +#pragma once + +#include +#include + +namespace spdlog { +namespace cfg { +namespace helpers { +// +// Init levels from given string +// +// Examples: +// +// set global level to debug: "debug" +// turn off all logging except for logger1: "off,logger1=debug" +// 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 cfg +} // namespace spdlog + +#ifdef SPDLOG_HEADER_ONLY +#include "helpers-inl.h" +#endif // SPDLOG_HEADER_ONLY diff --git a/NorthstarDedicatedTest/include/spdlog/common-inl.h b/NorthstarDedicatedTest/include/spdlog/common-inl.h new file mode 100644 index 00000000..378efe60 --- /dev/null +++ b/NorthstarDedicatedTest/include/spdlog/common-inl.h @@ -0,0 +1,82 @@ +// Copyright(c) 2015-present, Gabi Melman & spdlog contributors. +// Distributed under the MIT License (http://opensource.org/licenses/MIT) + +#pragma once + +#ifndef SPDLOG_HEADER_ONLY +#include +#endif + +namespace spdlog { +namespace level { + +static string_view_t level_string_views[] SPDLOG_LEVEL_NAMES; + +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 +{ + return level_string_views[l]; +} + +SPDLOG_INLINE void set_string_view(spdlog::level::level_enum l, const string_view_t &s) SPDLOG_NOEXCEPT +{ + level_string_views[l] = s; +} + +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 +{ + int level = 0; + for (const auto &level_str : level_string_views) + { + if (level_str == name) + { + return static_cast(level); + } + level++; + } + // check also for "warn" and "err" before giving up.. + if (name == "warn") + { + return level::warn; + } + if (name == "err") + { + return level::err; + } + return level::off; +} +} // namespace level + +SPDLOG_INLINE spdlog_ex::spdlog_ex(std::string msg) + : msg_(std::move(msg)) +{} + +SPDLOG_INLINE spdlog_ex::spdlog_ex(const std::string &msg, int last_errno) +{ + memory_buf_t outbuf; + fmt::format_system_error(outbuf, last_errno, msg); + msg_ = fmt::to_string(outbuf); +} + +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_THROW(spdlog_ex(msg, last_errno)); +} + +SPDLOG_INLINE void throw_spdlog_ex(std::string msg) +{ + SPDLOG_THROW(spdlog_ex(std::move(msg))); +} + +} // namespace spdlog diff --git a/NorthstarDedicatedTest/include/spdlog/common.h b/NorthstarDedicatedTest/include/spdlog/common.h new file mode 100644 index 00000000..fb9a3660 --- /dev/null +++ b/NorthstarDedicatedTest/include/spdlog/common.h @@ -0,0 +1,249 @@ +// Copyright(c) 2015-present, Gabi Melman & spdlog contributors. +// Distributed under the MIT License (http://opensource.org/licenses/MIT) + +#pragma once + +#include +#include + +#include +#include +#include +#include +#include +#include +#include +#include + +#ifdef SPDLOG_COMPILED_LIB +#undef SPDLOG_HEADER_ONLY +#if defined(_WIN32) && defined(SPDLOG_SHARED_LIB) +#ifdef spdlog_EXPORTS +#define SPDLOG_API __declspec(dllexport) +#else +#define SPDLOG_API __declspec(dllimport) +#endif +#else // !defined(_WIN32) || !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 + +// visual studio upto 2013 does not support noexcept nor constexpr +#if defined(_MSC_VER) && (_MSC_VER < 1900) +#define SPDLOG_NOEXCEPT _NOEXCEPT +#define SPDLOG_CONSTEXPR +#else +#define SPDLOG_NOEXCEPT noexcept +#define SPDLOG_CONSTEXPR constexpr +#endif + +#if defined(__GNUC__) || defined(__clang__) +#define SPDLOG_DEPRECATED __attribute__((deprecated)) +#elif defined(_MSC_VER) +#define SPDLOG_DEPRECATED __declspec(deprecated) +#else +#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 +#endif + +#ifndef SPDLOG_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_ALL() +#else +#define SPDLOG_TRY try +#define SPDLOG_THROW(ex) throw(ex) +#define SPDLOG_CATCH_ALL() catch (...) +#endif + +namespace spdlog { + +class formatter; + +namespace sinks { +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) +#else +using filename_t = std::string; +#define SPDLOG_FILENAME_T(s) s +#endif + +using log_clock = std::chrono::system_clock; +using sink_ptr = std::shared_ptr; +using sinks_init_list = std::initializer_list; +using err_handler = std::function; +using string_view_t = fmt::basic_string_view; +using wstring_view_t = fmt::basic_string_view; +using memory_buf_t = fmt::basic_memory_buffer; +using wmemory_buf_t = fmt::basic_memory_buffer; + +#ifdef SPDLOG_WCHAR_TO_UTF8_SUPPORT +#ifndef _WIN32 +#error SPDLOG_WCHAR_TO_UTF8_SUPPORT only supported on windows +#else +template +struct is_convertible_to_wstring_view : std::is_convertible +{}; +#endif // _WIN32 +#else +template +struct is_convertible_to_wstring_view : std::false_type +{}; +#endif // SPDLOG_WCHAR_TO_UTF8_SUPPORT + +#if defined(SPDLOG_NO_ATOMIC_LEVELS) +using level_t = details::null_atomic_int; +#else +using level_t = std::atomic; +#endif + +#define SPDLOG_LEVEL_TRACE 0 +#define SPDLOG_LEVEL_DEBUG 1 +#define SPDLOG_LEVEL_INFO 2 +#define SPDLOG_LEVEL_WARN 3 +#define SPDLOG_LEVEL_ERROR 4 +#define SPDLOG_LEVEL_CRITICAL 5 +#define SPDLOG_LEVEL_OFF 6 + +#if !defined(SPDLOG_ACTIVE_LEVEL) +#define SPDLOG_ACTIVE_LEVEL SPDLOG_LEVEL_INFO +#endif + +// Log level enum +namespace level { +enum level_enum +{ + trace = SPDLOG_LEVEL_TRACE, + debug = SPDLOG_LEVEL_DEBUG, + info = SPDLOG_LEVEL_INFO, + warn = SPDLOG_LEVEL_WARN, + err = SPDLOG_LEVEL_ERROR, + critical = SPDLOG_LEVEL_CRITICAL, + off = SPDLOG_LEVEL_OFF, + n_levels +}; + +#if !defined(SPDLOG_LEVEL_NAMES) +#define SPDLOG_LEVEL_NAMES \ + { \ + "trace", "debug", "info", "warning", "error", "critical", "off" \ + } +#endif + +#if !defined(SPDLOG_SHORT_LEVEL_NAMES) + +#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 void set_string_view(spdlog::level::level_enum l, const string_view_t &s) 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 + +// +// Color mode used by sinks with color support. +// +enum class color_mode +{ + always, + automatic, + never +}; + +// +// 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 +}; + +// +// Log 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); + const char *what() const SPDLOG_NOEXCEPT override; + +private: + std::string msg_; +}; + +[[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 +{ + 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} + {} + + SPDLOG_CONSTEXPR bool empty() const SPDLOG_NOEXCEPT + { + return line == 0; + } + const char *filename{nullptr}; + int line{0}; + const char *funcname{nullptr}; +}; + +namespace details { +// make_unique support for pre c++14 + +#if __cplusplus >= 201402L // C++14 and beyond +using std::make_unique; +#else +template +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)...)); +} +#endif +} // namespace details +} // namespace spdlog + +#ifdef SPDLOG_HEADER_ONLY +#include "common-inl.h" +#endif diff --git a/NorthstarDedicatedTest/include/spdlog/details/backtracer-inl.h b/NorthstarDedicatedTest/include/spdlog/details/backtracer-inl.h new file mode 100644 index 00000000..21553c26 --- /dev/null +++ b/NorthstarDedicatedTest/include/spdlog/details/backtracer-inl.h @@ -0,0 +1,69 @@ +// Copyright(c) 2015-present, Gabi Melman & spdlog contributors. +// Distributed under the MIT License (http://opensource.org/licenses/MIT) + +#pragma once + +#ifndef SPDLOG_HEADER_ONLY +#include +#endif +namespace spdlog { +namespace details { +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 +{ + std::lock_guard lock(other.mutex_); + enabled_ = other.enabled(); + messages_ = std::move(other.messages_); +} + +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) +{ + std::lock_guard lock{mutex_}; + enabled_.store(true, std::memory_order_relaxed); + messages_ = circular_q{size}; +} + +SPDLOG_INLINE void backtracer::disable() +{ + std::lock_guard lock{mutex_}; + enabled_.store(false, std::memory_order_relaxed); +} + +SPDLOG_INLINE bool backtracer::enabled() const +{ + return enabled_.load(std::memory_order_relaxed); +} + +SPDLOG_INLINE void backtracer::push_back(const log_msg &msg) +{ + std::lock_guard lock{mutex_}; + messages_.push_back(log_msg_buffer{msg}); +} + +// pop all items in the q and apply the given fun on each of them. +SPDLOG_INLINE void backtracer::foreach_pop(std::function fun) +{ + std::lock_guard lock{mutex_}; + while (!messages_.empty()) + { + auto &front_msg = messages_.front(); + fun(front_msg); + messages_.pop_front(); + } +} +} // namespace details +} // namespace spdlog diff --git a/NorthstarDedicatedTest/include/spdlog/details/backtracer.h b/NorthstarDedicatedTest/include/spdlog/details/backtracer.h new file mode 100644 index 00000000..b7476bc9 --- /dev/null +++ b/NorthstarDedicatedTest/include/spdlog/details/backtracer.h @@ -0,0 +1,45 @@ +// Copyright(c) 2015-present, Gabi Melman & spdlog contributors. +// Distributed under the MIT License (http://opensource.org/licenses/MIT) + +#pragma once + +#include +#include + +#include +#include +#include + +// Store log messages in circular buffer. +// Useful for storing debug data in case of error/warning happens. + +namespace spdlog { +namespace details { +class SPDLOG_API backtracer +{ + mutable std::mutex mutex_; + std::atomic enabled_{false}; + circular_q messages_; + +public: + backtracer() = default; + backtracer(const backtracer &other); + + backtracer(backtracer &&other) SPDLOG_NOEXCEPT; + backtracer &operator=(backtracer other); + + void enable(size_t size); + void disable(); + bool enabled() const; + void push_back(const log_msg &msg); + + // pop all items in the q and apply the given fun on each of them. + void foreach_pop(std::function fun); +}; + +} // namespace details +} // namespace spdlog + +#ifdef SPDLOG_HEADER_ONLY +#include "backtracer-inl.h" +#endif \ No newline at end of file diff --git a/NorthstarDedicatedTest/include/spdlog/details/circular_q.h b/NorthstarDedicatedTest/include/spdlog/details/circular_q.h new file mode 100644 index 00000000..1f2712e7 --- /dev/null +++ b/NorthstarDedicatedTest/include/spdlog/details/circular_q.h @@ -0,0 +1,141 @@ +// Copyright(c) 2015-present, Gabi Melman & spdlog contributors. +// Distributed under the MIT License (http://opensource.org/licenses/MIT) + +// circular q view of std::vector. +#pragma once + +#include +#include + +namespace spdlog { +namespace details { +template +class circular_q +{ + size_t max_items_ = 0; + typename std::vector::size_type head_ = 0; + typename std::vector::size_type tail_ = 0; + size_t overrun_counter_ = 0; + std::vector v_; + +public: + using value_type = T; + + // empty ctor - create a disabled queue with no elements allocated at all + 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_) + {} + + 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 + { + copy_moveable(std::move(other)); + } + + 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) + { + v_[tail_] = std::move(item); + tail_ = (tail_ + 1) % max_items_; + + if (tail_ == head_) // overrun last item if full + { + head_ = (head_ + 1) % max_items_; + ++overrun_counter_; + } + } + } + + // Return reference to the front item. + // If there are no elements in the container, the behavior is undefined. + const T &front() const + { + return v_[head_]; + } + + T &front() + { + return v_[head_]; + } + + // Return number of elements actually stored + size_t size() const + { + if (tail_ >= head_) + { + return tail_ - head_; + } + 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 + { + 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() + { + head_ = (head_ + 1) % max_items_; + } + + bool empty() const + { + return tail_ == head_; + } + + bool full() const + { + // head is ahead of the tail by 1 + if (max_items_ > 0) + { + return ((tail_ + 1) % max_items_) == head_; + } + return false; + } + + size_t overrun_counter() const + { + return overrun_counter_; + } + +private: + // copy from other&& and reset it to disabled state + void copy_moveable(circular_q &&other) SPDLOG_NOEXCEPT + { + max_items_ = other.max_items_; + head_ = other.head_; + tail_ = other.tail_; + overrun_counter_ = other.overrun_counter_; + v_ = std::move(other.v_); + + // put &&other in disabled, but valid state + other.max_items_ = 0; + other.head_ = other.tail_ = 0; + other.overrun_counter_ = 0; + } +}; +} // namespace details +} // namespace spdlog diff --git a/NorthstarDedicatedTest/include/spdlog/details/console_globals.h b/NorthstarDedicatedTest/include/spdlog/details/console_globals.h new file mode 100644 index 00000000..665201dd --- /dev/null +++ b/NorthstarDedicatedTest/include/spdlog/details/console_globals.h @@ -0,0 +1,32 @@ +// Copyright(c) 2015-present, Gabi Melman & spdlog contributors. +// Distributed under the MIT License (http://opensource.org/licenses/MIT) + +#pragma once + +#include +#include + +namespace spdlog { +namespace details { + +struct console_mutex +{ + using mutex_t = std::mutex; + static mutex_t &mutex() + { + static mutex_t s_mutex; + return s_mutex; + } +}; + +struct console_nullmutex +{ + using mutex_t = null_mutex; + static mutex_t &mutex() + { + static mutex_t s_mutex; + return s_mutex; + } +}; +} // namespace details +} // namespace spdlog diff --git a/NorthstarDedicatedTest/include/spdlog/details/file_helper-inl.h b/NorthstarDedicatedTest/include/spdlog/details/file_helper-inl.h new file mode 100644 index 00000000..30f3cf55 --- /dev/null +++ b/NorthstarDedicatedTest/include/spdlog/details/file_helper-inl.h @@ -0,0 +1,147 @@ +// Copyright(c) 2015-present, Gabi Melman & spdlog contributors. +// Distributed under the MIT License (http://opensource.org/licenses/MIT) + +#pragma once + +#ifndef SPDLOG_HEADER_ONLY +#include +#endif + +#include +#include + +#include +#include +#include +#include +#include +#include + +namespace spdlog { +namespace details { + +SPDLOG_INLINE file_helper::~file_helper() +{ + close(); +} + +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"); + + for (int tries = 0; tries < open_tries_; ++tries) + { + // create containing folder if not exists already. + os::create_dir(os::dir_name(fname)); + 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)) + { + continue; + } + std::fclose(tmp); + } + if (!os::fopen_s(&fd_, fname, mode)) + { + return; + } + + details::os::sleep_for_millis(open_interval_); + } + + 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()) + { + throw_spdlog_ex("Failed re opening file - was not opened before"); + } + this->open(filename_, truncate); +} + +SPDLOG_INLINE void file_helper::flush() +{ + std::fflush(fd_); +} + +SPDLOG_INLINE void file_helper::close() +{ + if (fd_ != nullptr) + { + std::fclose(fd_); + fd_ = nullptr; + } +} + +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) + { + throw_spdlog_ex("Failed writing to file " + os::filename_to_str(filename_), errno); + } +} + +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 +{ + return filename_; +} + +// +// return file path and its extension: +// +// "mylog.txt" => ("mylog", ".txt") +// "mylog" => ("mylog", "") +// "mylog." => ("mylog.", "") +// "/dir1/dir2/mylog.txt" => ("/dir1/dir2/mylog", ".txt") +// +// the starting dot in filenames is ignored (hidden files): +// +// ".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) +{ + 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) + { + 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) + { + return std::make_tuple(fname, filename_t()); + } + + // finally - return a valid base and extension tuple + return std::make_tuple(fname.substr(0, ext_index), fname.substr(ext_index)); +} + +} // namespace details +} // namespace spdlog diff --git a/NorthstarDedicatedTest/include/spdlog/details/file_helper.h b/NorthstarDedicatedTest/include/spdlog/details/file_helper.h new file mode 100644 index 00000000..5395d9cb --- /dev/null +++ b/NorthstarDedicatedTest/include/spdlog/details/file_helper.h @@ -0,0 +1,59 @@ +// Copyright(c) 2015-present, Gabi Melman & spdlog contributors. +// Distributed under the MIT License (http://opensource.org/licenses/MIT) + +#pragma once + +#include +#include + +namespace spdlog { +namespace details { + +// Helper class for file sinks. +// 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 +{ +public: + explicit file_helper() = default; + + file_helper(const file_helper &) = delete; + file_helper &operator=(const file_helper &) = delete; + ~file_helper(); + + void open(const filename_t &fname, bool truncate = false); + void reopen(bool truncate); + void flush(); + void close(); + void write(const memory_buf_t &buf); + size_t size() const; + const filename_t &filename() const; + + // + // return file path and its extension: + // + // "mylog.txt" => ("mylog", ".txt") + // "mylog" => ("mylog", "") + // "mylog." => ("mylog.", "") + // "/dir1/dir2/mylog.txt" => ("/dir1/dir2/mylog", ".txt") + // + // the starting dot in filenames is ignored (hidden files): + // + // ".mylog" => (".mylog". "") + // "my_folder/.mylog" => ("my_folder/.mylog", "") + // "my_folder/.mylog.txt" => ("my_folder/.mylog", ".txt") + static std::tuple split_by_extension(const filename_t &fname); + +private: + const int open_tries_ = 5; + const int open_interval_ = 10; + std::FILE *fd_{nullptr}; + filename_t filename_; +}; +} // namespace details +} // namespace spdlog + +#ifdef SPDLOG_HEADER_ONLY +#include "file_helper-inl.h" +#endif diff --git a/NorthstarDedicatedTest/include/spdlog/details/fmt_helper.h b/NorthstarDedicatedTest/include/spdlog/details/fmt_helper.h new file mode 100644 index 00000000..5dc311a0 --- /dev/null +++ b/NorthstarDedicatedTest/include/spdlog/details/fmt_helper.h @@ -0,0 +1,116 @@ +// Copyright(c) 2015-present, Gabi Melman & spdlog contributors. +// Distributed under the MIT License (http://opensource.org/licenses/MIT) +#pragma once + +#include +#include +#include +#include + +// Some fmt helpers to efficiently format and pad ints and strings +namespace spdlog { +namespace details { +namespace fmt_helper { + +inline spdlog::string_view_t to_string_view(const memory_buf_t &buf) SPDLOG_NOEXCEPT +{ + return spdlog::string_view_t{buf.data(), buf.size()}; +} + +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()); +} + +template +inline void append_int(T n, memory_buf_t &dest) +{ + fmt::format_int i(n); + dest.append(i.data(), i.data() + i.size()); +} + +template +inline unsigned int count_digits(T n) +{ + using count_type = typename std::conditional<(sizeof(T) > sizeof(uint32_t)), uint64_t, uint32_t>::type; + 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))); +} + +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 + { + fmt::format_to(dest, "{:02}", n); + } +} + +template +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++) + { + dest.push_back('0'); + } + append_int(n, dest); +} + +template +inline void pad3(T n, memory_buf_t &dest) +{ + static_assert(std::is_unsigned::value, "pad3 must get unsigned T"); + 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 + { + append_int(n, dest); + } +} + +template +inline void pad6(T n, memory_buf_t &dest) +{ + pad_uint(n, 6, dest); +} + +template +inline void pad9(T n, memory_buf_t &dest) +{ + pad_uint(n, 9, dest); +} + +// return fraction of a second of the given time_point. +// e.g. +// fraction(tp) -> will return the millis part of the second +template +inline ToDuration time_fraction(log_clock::time_point tp) +{ + using std::chrono::duration_cast; + using std::chrono::seconds; + auto duration = tp.time_since_epoch(); + auto secs = duration_cast(duration); + return duration_cast(duration) - duration_cast(secs); +} + +} // namespace fmt_helper +} // namespace details +} // namespace spdlog diff --git a/NorthstarDedicatedTest/include/spdlog/details/log_msg-inl.h b/NorthstarDedicatedTest/include/spdlog/details/log_msg-inl.h new file mode 100644 index 00000000..af11e0da --- /dev/null +++ b/NorthstarDedicatedTest/include/spdlog/details/log_msg-inl.h @@ -0,0 +1,37 @@ +// Copyright(c) 2015-present, Gabi Melman & spdlog contributors. +// Distributed under the MIT License (http://opensource.org/licenses/MIT) + +#pragma once + +#ifndef SPDLOG_HEADER_ONLY +#include +#endif + +#include + +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) +#ifndef SPDLOG_NO_THREAD_ID + , thread_id(os::thread_id()) +#endif + , 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) +{} + +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) +{} + +} // namespace details +} // namespace spdlog diff --git a/NorthstarDedicatedTest/include/spdlog/details/log_msg.h b/NorthstarDedicatedTest/include/spdlog/details/log_msg.h new file mode 100644 index 00000000..834ca4df --- /dev/null +++ b/NorthstarDedicatedTest/include/spdlog/details/log_msg.h @@ -0,0 +1,36 @@ +// Copyright(c) 2015-present, Gabi Melman & spdlog contributors. +// Distributed under the MIT License (http://opensource.org/licenses/MIT) + +#pragma once + +#include +#include + +namespace spdlog { +namespace details { +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); + log_msg(string_view_t logger_name, level::level_enum lvl, string_view_t msg); + log_msg(const log_msg &other) = default; + + string_view_t logger_name; + level::level_enum level{level::off}; + log_clock::time_point time; + size_t thread_id{0}; + + // wrapping the formatted text with color (updated by pattern_formatter). + mutable size_t color_range_start{0}; + mutable size_t color_range_end{0}; + + source_loc source; + string_view_t payload; +}; +} // namespace details +} // namespace spdlog + +#ifdef SPDLOG_HEADER_ONLY +#include "log_msg-inl.h" +#endif diff --git a/NorthstarDedicatedTest/include/spdlog/details/log_msg_buffer-inl.h b/NorthstarDedicatedTest/include/spdlog/details/log_msg_buffer-inl.h new file mode 100644 index 00000000..ca9429bb --- /dev/null +++ b/NorthstarDedicatedTest/include/spdlog/details/log_msg_buffer-inl.h @@ -0,0 +1,60 @@ +// Copyright(c) 2015-present, Gabi Melman & spdlog contributors. +// Distributed under the MIT License (http://opensource.org/licenses/MIT) + +#pragma once + +#ifndef SPDLOG_HEADER_ONLY +#include +#endif + +namespace spdlog { +namespace details { + +SPDLOG_INLINE log_msg_buffer::log_msg_buffer(const 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} +{ + 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)} +{ + update_string_views(); +} + +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()); + update_string_views(); + return *this; +} + +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() +{ + 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 diff --git a/NorthstarDedicatedTest/include/spdlog/details/log_msg_buffer.h b/NorthstarDedicatedTest/include/spdlog/details/log_msg_buffer.h new file mode 100644 index 00000000..4410110f --- /dev/null +++ b/NorthstarDedicatedTest/include/spdlog/details/log_msg_buffer.h @@ -0,0 +1,33 @@ +// Copyright(c) 2015-present, Gabi Melman & spdlog contributors. +// Distributed under the MIT License (http://opensource.org/licenses/MIT) + +#pragma once + +#include + +namespace spdlog { +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 +{ + memory_buf_t buffer; + void update_string_views(); + +public: + log_msg_buffer() = default; + explicit log_msg_buffer(const log_msg &orig_msg); + log_msg_buffer(const log_msg_buffer &other); + log_msg_buffer(log_msg_buffer &&other) SPDLOG_NOEXCEPT; + log_msg_buffer &operator=(const log_msg_buffer &other); + log_msg_buffer &operator=(log_msg_buffer &&other) SPDLOG_NOEXCEPT; +}; + +} // namespace details +} // namespace spdlog + +#ifdef SPDLOG_HEADER_ONLY +#include "log_msg_buffer-inl.h" +#endif diff --git a/NorthstarDedicatedTest/include/spdlog/details/mpmc_blocking_q.h b/NorthstarDedicatedTest/include/spdlog/details/mpmc_blocking_q.h new file mode 100644 index 00000000..5c3cca76 --- /dev/null +++ b/NorthstarDedicatedTest/include/spdlog/details/mpmc_blocking_q.h @@ -0,0 +1,126 @@ +// Copyright(c) 2015-present, Gabi Melman & spdlog contributors. +// Distributed under the MIT License (http://opensource.org/licenses/MIT) + +#pragma once + +// multi producer-multi consumer blocking queue. +// enqueue(..) - will block until room found to put the new message. +// enqueue_nowait(..) - will return immediately with false if no room left in +// the queue. +// dequeue_for(..) - will block until the queue is not empty or timeout have +// passed. + +#include + +#include +#include + +namespace spdlog { +namespace details { + +template +class mpmc_blocking_queue +{ +public: + using item_type = T; + explicit mpmc_blocking_queue(size_t max_items) + : q_(max_items) + {} + +#ifndef __MINGW32__ + // try to enqueue and block if no room left + 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)); + } + push_cv_.notify_one(); + } + + // enqueue immediately. overrun oldest message in the queue if no room left. + void enqueue_nowait(T &&item) + { + { + std::unique_lock lock(queue_mutex_); + q_.push_back(std::move(item)); + } + push_cv_.notify_one(); + } + + // try to dequeue item. if no item found. wait upto timeout and try again + // Return true, if succeeded dequeue item, false otherwise + 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(); })) + { + return false; + } + popped_item = std::move(q_.front()); + q_.pop_front(); + } + pop_cv_.notify_one(); + return true; + } + +#else + // apparently mingw deadlocks if the mutex is released before cv.notify_one(), + // so release the mutex at the very end each function. + + // try to enqueue and block if no room left + 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)); + push_cv_.notify_one(); + } + + // enqueue immediately. overrun oldest message in the queue if no room left. + void enqueue_nowait(T &&item) + { + std::unique_lock lock(queue_mutex_); + q_.push_back(std::move(item)); + push_cv_.notify_one(); + } + + // try to dequeue item. if no item found. wait upto timeout and try again + // Return true, if succeeded dequeue item, false otherwise + 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(); })) + { + return false; + } + popped_item = std::move(q_.front()); + q_.pop_front(); + pop_cv_.notify_one(); + return true; + } + +#endif + + size_t overrun_counter() + { + std::unique_lock lock(queue_mutex_); + return q_.overrun_counter(); + } + + size_t size() + { + std::unique_lock lock(queue_mutex_); + return q_.size(); + } + +private: + std::mutex queue_mutex_; + std::condition_variable push_cv_; + std::condition_variable pop_cv_; + spdlog::details::circular_q q_; +}; +} // namespace details +} // namespace spdlog diff --git a/NorthstarDedicatedTest/include/spdlog/details/null_mutex.h b/NorthstarDedicatedTest/include/spdlog/details/null_mutex.h new file mode 100644 index 00000000..83533d4f --- /dev/null +++ b/NorthstarDedicatedTest/include/spdlog/details/null_mutex.h @@ -0,0 +1,49 @@ +// Copyright(c) 2015-present, Gabi Melman & spdlog contributors. +// Distributed under the MIT License (http://opensource.org/licenses/MIT) + +#pragma once + +#include +#include +// null, no cost dummy "mutex" and dummy "atomic" int + +namespace spdlog { +namespace details { +struct null_mutex +{ + void lock() const {} + void unlock() const {} + bool try_lock() const + { + return true; + } +}; + +struct null_atomic_int +{ + int value; + null_atomic_int() = default; + + explicit null_atomic_int(int new_value) + : value(new_value) + {} + + int load(std::memory_order = std::memory_order_relaxed) const + { + return value; + } + + 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) + { + std::swap(new_value, value); + return new_value; // return value before the call + } +}; + +} // namespace details +} // namespace spdlog diff --git a/NorthstarDedicatedTest/include/spdlog/details/os-inl.h b/NorthstarDedicatedTest/include/spdlog/details/os-inl.h new file mode 100644 index 00000000..a701e13f --- /dev/null +++ b/NorthstarDedicatedTest/include/spdlog/details/os-inl.h @@ -0,0 +1,589 @@ +// Copyright(c) 2015-present, Gabi Melman & spdlog contributors. +// Distributed under the MIT License (http://opensource.org/licenses/MIT) + +#pragma once + +#ifndef SPDLOG_HEADER_ONLY +#include +#endif + +#include + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#ifdef _WIN32 + +#include // _get_osfhandle and _isatty support +#include // _get_pid support +#include + +#ifdef __MINGW32__ +#include +#endif + +#if defined(SPDLOG_WCHAR_TO_UTF8_SUPPORT) || defined(SPDLOG_WCHAR_FILENAMES) +#include +#endif + +#include // for _mkdir/_wmkdir + +#else // unix + +#include +#include + +#ifdef __linux__ +#include //Use gettid() syscall under linux to get thread id + +#elif defined(_AIX) +#include // for pthread_getthreadid_np + +#elif defined(__DragonFly__) || defined(__FreeBSD__) +#include // for pthread_getthreadid_np + +#elif defined(__NetBSD__) +#include // for _lwp_self + +#elif defined(__sun) +#include // for thr_self +#endif + +#endif // unix + +#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 +{ + +#if defined __linux__ && defined SPDLOG_CLOCK_COARSE + timespec ts; + ::clock_gettime(CLOCK_REALTIME_COARSE, &ts); + return std::chrono::time_point( + std::chrono::duration_cast(std::chrono::seconds(ts.tv_sec) + std::chrono::nanoseconds(ts.tv_nsec))); + +#else + return log_clock::now(); +#endif +} +SPDLOG_INLINE std::tm localtime(const std::time_t &time_tt) SPDLOG_NOEXCEPT +{ + +#ifdef _WIN32 + std::tm tm; + ::localtime_s(&tm, &time_tt); +#else + std::tm tm; + ::localtime_r(&time_tt, &tm); +#endif + return tm; +} + +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 +{ + +#ifdef _WIN32 + std::tm tm; + ::gmtime_s(&tm, &time_tt); +#else + std::tm tm; + ::gmtime_r(&time_tt, &tm); +#endif + return tm; +} + +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) +{ +#ifdef _WIN32 +#ifdef SPDLOG_WCHAR_FILENAMES + *fp = ::_wfsopen((filename.c_str()), mode.c_str(), _SH_DENYNO); +#else + *fp = ::_fsopen((filename.c_str()), mode.c_str(), _SH_DENYNO); +#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)) + { + ::fclose(*fp); + *fp = nullptr; + } + } +#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) + { + return false; + } + *fp = ::fdopen(fd, mode.c_str()); + if (*fp == nullptr) + { + ::close(fd); + } +#else + *fp = ::fopen((filename.c_str()), mode.c_str()); +#endif +#endif + + return *fp == nullptr; +} + +SPDLOG_INLINE int remove(const filename_t &filename) SPDLOG_NOEXCEPT +{ +#if defined(_WIN32) && defined(SPDLOG_WCHAR_FILENAMES) + return ::_wremove(filename.c_str()); +#else + return std::remove(filename.c_str()); +#endif +} + +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 +{ +#if defined(_WIN32) && defined(SPDLOG_WCHAR_FILENAMES) + return ::_wrename(filename1.c_str(), filename2.c_str()); +#else + return std::rename(filename1.c_str(), filename2.c_str()); +#endif +} + +// Return true if path exists (file or directory) +SPDLOG_INLINE bool path_exists(const filename_t &filename) SPDLOG_NOEXCEPT +{ +#ifdef _WIN32 +#ifdef SPDLOG_WCHAR_FILENAMES + auto attribs = ::GetFileAttributesW(filename.c_str()); +#else + auto attribs = ::GetFileAttributesA(filename.c_str()); +#endif + return attribs != INVALID_FILE_ATTRIBUTES; +#else // common linux/unix all have the stat system call + struct stat buffer; + return (::stat(filename.c_str(), &buffer) == 0); +#endif +} + +// Return file size according to open FILE* object +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 _WIN64 // 64 bits + __int64 ret = ::_filelengthi64(fd); + if (ret >= 0) + { + return static_cast(ret); + } + +#else // windows 32 bits + long ret = ::_filelength(fd); + if (ret >= 0) + { + return static_cast(ret); + } +#endif + +#else // unix +// OpenBSD doesn't compile with :: before the fileno(..) +#if defined(__OpenBSD__) + int fd = fileno(f); +#else + int fd = ::fileno(f); +#endif +// 64 bits(but not in osx or cygwin, where fstat64 is deprecated) +#if (defined(__linux__) || defined(__sun) || defined(_AIX)) && (defined(__LP64__) || defined(_LP64)) + struct stat64 st; + if (::fstat64(fd, &st) == 0) + { + return static_cast(st.st_size); + } +#else // other unix or linux 32 bits or cygwin + struct stat st; + if (::fstat(fd, &st) == 0) + { + return static_cast(st.st_size); + } +#endif +#endif + throw_spdlog_ex("Failed getting file size from fd", errno); + return 0; // will not be reached. +} + +// Return utc offset in minutes or throw spdlog_ex on failure +SPDLOG_INLINE int utc_minutes_offset(const std::tm &tm) +{ + +#ifdef _WIN32 +#if _WIN32_WINNT < _WIN32_WINNT_WS08 + TIME_ZONE_INFORMATION tzinfo; + auto rv = ::GetTimeZoneInformation(&tzinfo); +#else + DYNAMIC_TIME_ZONE_INFORMATION tzinfo; + auto rv = ::GetDynamicTimeZoneInformation(&tzinfo); +#endif + if (rv == TIME_ZONE_ID_INVALID) + throw_spdlog_ex("Failed getting timezone info. ", errno); + + int offset = -tzinfo.Bias; + if (tm.tm_isdst) + { + offset -= tzinfo.DaylightBias; + } + else + { + offset -= tzinfo.StandardBias; + } + return offset; +#else + +#if defined(sun) || defined(__sun) || defined(_AIX) || (!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()) + { + int local_year = localtm.tm_year + (1900 - 1); + int gmt_year = gmtm.tm_year + (1900 - 1); + + long int days = ( + // difference in day of year + localtm.tm_yday - + gmtm.tm_yday + + // + intervening leap days + + ((local_year >> 2) - (gmt_year >> 2)) - (local_year / 100 - gmt_year / 100) + + ((local_year / 100 >> 2) - (gmt_year / 100 >> 2)) + + // + difference in years * 365 */ + + (long int)(local_year - gmt_year) * 365); + + long int hours = (24 * days) + (localtm.tm_hour - gmtm.tm_hour); + long int mins = (60 * hours) + (localtm.tm_min - gmtm.tm_min); + long int secs = (60 * mins) + (localtm.tm_sec - gmtm.tm_sec); + + return secs; + } + }; + + auto offset_seconds = helper::calculate_gmt_offset(tm); +#else + auto offset_seconds = tm.tm_gmtoff; +#endif + + return static_cast(offset_seconds / 60); +#endif +} + +// 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 +{ +#ifdef _WIN32 + return static_cast(::GetCurrentThreadId()); +#elif defined(__linux__) +#if defined(__ANDROID__) && defined(__ANDROID_API__) && (__ANDROID_API__ < 21) +#define SYS_gettid __NR_gettid +#endif + return static_cast(::syscall(SYS_gettid)); +#elif defined(_AIX) || defined(__DragonFly__) || defined(__FreeBSD__) + return static_cast(::pthread_getthreadid_np()); +#elif defined(__NetBSD__) + return static_cast(::_lwp_self()); +#elif defined(__OpenBSD__) + return static_cast(::getthrid()); +#elif defined(__sun) + return static_cast(::thr_self()); +#elif __APPLE__ + uint64_t tid; + pthread_threadid_np(nullptr, &tid); + return static_cast(tid); +#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 +{ +#if defined(SPDLOG_NO_TLS) + return _thread_id(); +#else // cache thread id in tls + static thread_local const size_t tid = _thread_id(); + return tid; +#endif +} + +// 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(int milliseconds) SPDLOG_NOEXCEPT +{ +#if defined(_WIN32) + ::Sleep(milliseconds); +#else + std::this_thread::sleep_for(std::chrono::milliseconds(milliseconds)); +#endif +} + +// 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) +{ + memory_buf_t buf; + wstr_to_utf8buf(filename, buf); + return fmt::to_string(buf); +} +#else +SPDLOG_INLINE std::string filename_to_str(const filename_t &filename) +{ + return filename; +} +#endif + +SPDLOG_INLINE int pid() SPDLOG_NOEXCEPT +{ + +#ifdef _WIN32 + return static_cast(::GetCurrentProcessId()); +#else + return static_cast(::getpid()); +#endif +} + +// Determine if the terminal supports colors +// Based on: https://github.com/agauniyal/rang/ +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) + { + return true; + } + + static constexpr std::array terms = {{"ansi", "color", "console", "cygwin", "gnome", "konsole", "kterm", "linux", + "msys", "putty", "rxvt", "screen", "vt100", "xterm", "alacritty"}}; + + const char *env_term_p = std::getenv("TERM"); + if (env_term_p == nullptr) + { + return false; + } + + return std::any_of(terms.begin(), terms.end(), [&](const char *term) { return std::strstr(env_term_p, term) != nullptr; }); + }(); + + return result; +#endif +} + +// Determine if the terminal attached +// Source: https://github.com/agauniyal/rang/ +SPDLOG_INLINE bool in_terminal(FILE *file) SPDLOG_NOEXCEPT +{ + +#ifdef _WIN32 + return ::_isatty(_fileno(file)) != 0; +#else + return ::isatty(fileno(file)) != 0; +#endif +} + +#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) + { + 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) + { + target.resize(0); + return; + } + + int result_size = static_cast(target.capacity()); + 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) + { + target.resize(result_size); + result_size = ::WideCharToMultiByte(CP_UTF8, 0, wstr.data(), wstr_size, target.data(), result_size, NULL, NULL); + + if (result_size > 0) + { + target.resize(result_size); + return; + } + } + + throw_spdlog_ex(fmt::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) + { + 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) + { + target.resize(0); + return; + } + + int result_size = static_cast(target.capacity()); + if (str_size + 1 > result_size) + { + result_size = ::MultiByteToWideChar(CP_UTF8, MB_ERR_INVALID_CHARS, str.data(), str_size, NULL, 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) + { + target.resize(result_size); + return; + } + } + + throw_spdlog_ex(fmt::format("MultiByteToWideChar failed. Last error: {}", ::GetLastError())); +} +#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) +{ +#ifdef _WIN32 +#ifdef SPDLOG_WCHAR_FILENAMES + return ::_wmkdir(path.c_str()) == 0; +#else + return ::_mkdir(path.c_str()) == 0; +#endif +#else + return ::mkdir(path.c_str(), mode_t(0755)) == 0; +#endif +} + +// 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(filename_t path) +{ + if (path_exists(path)) + { + return true; + } + + if (path.empty()) + { + return false; + } + + size_t search_offset = 0; + 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) + { + 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 + } + search_offset = token_pos + 1; + } while (search_offset < path.size()); + + return true; +} + +// Return directory name from given path or empty string +// "abc/file" => "abc" +// "abc/" => "abc" +// "abc" => "" +// "abc///" => "abc//" +SPDLOG_INLINE filename_t dir_name(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) +{ + +#if defined(_MSC_VER) +#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 + char *buf = ::getenv(field); + return buf ? buf : std::string{}; +#endif +} + +} // namespace os +} // namespace details +} // namespace spdlog diff --git a/NorthstarDedicatedTest/include/spdlog/details/os.h b/NorthstarDedicatedTest/include/spdlog/details/os.h new file mode 100644 index 00000000..9fda1447 --- /dev/null +++ b/NorthstarDedicatedTest/include/spdlog/details/os.h @@ -0,0 +1,118 @@ +// Copyright(c) 2015-present, Gabi Melman & spdlog contributors. +// Distributed under the MIT License (http://opensource.org/licenses/MIT) + +#pragma once + +#include +#include // std::time_t + +namespace spdlog { +namespace details { +namespace os { + +SPDLOG_API spdlog::log_clock::time_point now() SPDLOG_NOEXCEPT; + +SPDLOG_API std::tm localtime(const std::time_t &time_tt) SPDLOG_NOEXCEPT; + +SPDLOG_API std::tm localtime() SPDLOG_NOEXCEPT; + +SPDLOG_API std::tm gmtime(const std::time_t &time_tt) SPDLOG_NOEXCEPT; + +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 +#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 +#endif + +SPDLOG_CONSTEXPR static const char folder_seps[] = SPDLOG_FOLDER_SEPS; +SPDLOG_CONSTEXPR static const filename_t::value_type folder_seps_filename[] = SPDLOG_FILENAME_T(SPDLOG_FOLDER_SEPS); + +// fopen_s on non windows for writing +SPDLOG_API bool fopen_s(FILE **fp, const filename_t &filename, const filename_t &mode); + +// Remove filename. return 0 on success +SPDLOG_API int remove(const filename_t &filename) SPDLOG_NOEXCEPT; + +// Remove file if exists. return 0 on success +// Note: Non atomic (might return failure to delete if concurrently deleted by other process/thread) +SPDLOG_API int remove_if_exists(const filename_t &filename) SPDLOG_NOEXCEPT; + +SPDLOG_API int rename(const filename_t &filename1, const filename_t &filename2) SPDLOG_NOEXCEPT; + +// Return if file exists. +SPDLOG_API bool path_exists(const filename_t &filename) SPDLOG_NOEXCEPT; + +// Return file size according to open FILE* object +SPDLOG_API size_t filesize(FILE *f); + +// Return utc offset in minutes or throw spdlog_ex on failure +SPDLOG_API int utc_minutes_offset(const std::tm &tm = details::os::localtime()); + +// Return current thread id as size_t +// It exists because the std::this_thread::get_id() is much slower(especially +// under VS 2013) +SPDLOG_API size_t _thread_id() SPDLOG_NOEXCEPT; + +// Return current thread id as size_t (from thread local storage) +SPDLOG_API 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_API void sleep_for_millis(int milliseconds) SPDLOG_NOEXCEPT; + +SPDLOG_API std::string filename_to_str(const filename_t &filename); + +SPDLOG_API int pid() SPDLOG_NOEXCEPT; + +// Determine if the terminal supports colors +// Source: https://github.com/agauniyal/rang/ +SPDLOG_API bool is_color_terminal() SPDLOG_NOEXCEPT; + +// Determine if the terminal attached +// Source: https://github.com/agauniyal/rang/ +SPDLOG_API bool in_terminal(FILE *file) SPDLOG_NOEXCEPT; + +#if (defined(SPDLOG_WCHAR_TO_UTF8_SUPPORT) || defined(SPDLOG_WCHAR_FILENAMES)) && defined(_WIN32) +SPDLOG_API void wstr_to_utf8buf(wstring_view_t wstr, memory_buf_t &target); + +SPDLOG_API void utf8_to_wstrbuf(string_view_t str, wmemory_buf_t &target); +#endif + +// Return directory name from given path or empty string +// "abc/file" => "abc" +// "abc/" => "abc" +// "abc" => "" +// "abc///" => "abc//" +SPDLOG_API filename_t dir_name(filename_t path); + +// Create a dir from the given path. +// Return true if succeeded or if this dir already exists. +SPDLOG_API bool create_dir(filename_t path); + +// non thread safe, cross platform getenv/getenv_s +// return empty string if field not found +SPDLOG_API std::string getenv(const char *field); + +} // namespace os +} // namespace details +} // namespace spdlog + +#ifdef SPDLOG_HEADER_ONLY +#include "os-inl.h" +#endif diff --git a/NorthstarDedicatedTest/include/spdlog/details/periodic_worker-inl.h b/NorthstarDedicatedTest/include/spdlog/details/periodic_worker-inl.h new file mode 100644 index 00000000..1d794994 --- /dev/null +++ b/NorthstarDedicatedTest/include/spdlog/details/periodic_worker-inl.h @@ -0,0 +1,49 @@ +// Copyright(c) 2015-present, Gabi Melman & spdlog contributors. +// Distributed under the MIT License (http://opensource.org/licenses/MIT) + +#pragma once + +#ifndef SPDLOG_HEADER_ONLY +#include +#endif + +namespace spdlog { +namespace details { + +SPDLOG_INLINE periodic_worker::periodic_worker(const std::function &callback_fun, std::chrono::seconds interval) +{ + active_ = (interval > std::chrono::seconds::zero()); + if (!active_) + { + return; + } + + worker_thread_ = std::thread([this, callback_fun, interval]() { + 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 + } + callback_fun(); + } + }); +} + +// stop the worker thread and join it +SPDLOG_INLINE periodic_worker::~periodic_worker() +{ + if (worker_thread_.joinable()) + { + { + std::lock_guard lock(mutex_); + active_ = false; + } + cv_.notify_one(); + worker_thread_.join(); + } +} + +} // namespace details +} // namespace spdlog diff --git a/NorthstarDedicatedTest/include/spdlog/details/periodic_worker.h b/NorthstarDedicatedTest/include/spdlog/details/periodic_worker.h new file mode 100644 index 00000000..42373665 --- /dev/null +++ b/NorthstarDedicatedTest/include/spdlog/details/periodic_worker.h @@ -0,0 +1,40 @@ +// Copyright(c) 2015-present, Gabi Melman & spdlog contributors. +// Distributed under the MIT License (http://opensource.org/licenses/MIT) + +#pragma once + +// periodic worker thread - periodically executes the given callback function. +// +// RAII over the owned thread: +// creates the thread on construction. +// stops and joins the thread on destruction (if the thread is executing a callback, wait for it to finish first). + +#include +#include +#include +#include +#include +namespace spdlog { +namespace details { + +class SPDLOG_API periodic_worker +{ +public: + periodic_worker(const std::function &callback_fun, std::chrono::seconds interval); + periodic_worker(const periodic_worker &) = delete; + periodic_worker &operator=(const periodic_worker &) = delete; + // stop the worker thread and join it + ~periodic_worker(); + +private: + bool active_; + std::thread worker_thread_; + std::mutex mutex_; + std::condition_variable cv_; +}; +} // namespace details +} // namespace spdlog + +#ifdef SPDLOG_HEADER_ONLY +#include "periodic_worker-inl.h" +#endif diff --git a/NorthstarDedicatedTest/include/spdlog/details/registry-inl.h b/NorthstarDedicatedTest/include/spdlog/details/registry-inl.h new file mode 100644 index 00000000..a60faabc --- /dev/null +++ b/NorthstarDedicatedTest/include/spdlog/details/registry-inl.h @@ -0,0 +1,313 @@ +// Copyright(c) 2015-present, Gabi Melman & spdlog contributors. +// Distributed under the MIT License (http://opensource.org/licenses/MIT) + +#pragma once + +#ifndef SPDLOG_HEADER_ONLY +#include +#endif + +#include +#include +#include +#include + +#ifndef SPDLOG_DISABLE_DEFAULT_LOGGER +// support for the default stdout color logger +#ifdef _WIN32 +#include +#else +#include +#endif +#endif // SPDLOG_DISABLE_DEFAULT_LOGGER + +#include +#include +#include +#include +#include + +namespace spdlog { +namespace details { + +SPDLOG_INLINE registry::registry() + : 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 + auto color_sink = std::make_shared(); +#else + auto color_sink = std::make_shared(); +#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 +} + +SPDLOG_INLINE registry::~registry() = default; + +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) +{ + std::lock_guard lock(logger_map_mutex_); + new_logger->set_formatter(formatter_->clone()); + + if (err_handler_) + { + new_logger->set_error_handler(err_handler_); + } + + // set new level according to previously configured level or default level + 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); + + new_logger->flush_on(flush_level_); + + if (backtrace_n_messages_ > 0) + { + new_logger->enable_backtrace(backtrace_n_messages_); + } + + if (automatic_registration_) + { + register_logger_(std::move(new_logger)); + } +} + +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() +{ + std::lock_guard lock(logger_map_mutex_); + return default_logger_; +} + +// Return raw ptr to the 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() +{ + 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) +{ + std::lock_guard lock(logger_map_mutex_); + // remove previous default logger from the map + if (default_logger_ != nullptr) + { + loggers_.erase(default_logger_->name()); + } + 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) +{ + std::lock_guard lock(tp_mutex_); + tp_ = std::move(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) +{ + std::lock_guard lock(logger_map_mutex_); + formatter_ = std::move(formatter); + for (auto &l : loggers_) + { + l.second->set_formatter(formatter_->clone()); + } +} + +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_) + { + l.second->enable_backtrace(n_messages); + } +} + +SPDLOG_INLINE void registry::disable_backtrace() +{ + std::lock_guard lock(logger_map_mutex_); + backtrace_n_messages_ = 0; + for (auto &l : loggers_) + { + l.second->disable_backtrace(); + } +} + +SPDLOG_INLINE void registry::set_level(level::level_enum log_level) +{ + std::lock_guard lock(logger_map_mutex_); + 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) +{ + std::lock_guard lock(logger_map_mutex_); + for (auto &l : loggers_) + { + l.second->flush_on(log_level); + } + flush_level_ = log_level; +} + +SPDLOG_INLINE void registry::flush_every(std::chrono::seconds interval) +{ + std::lock_guard lock(flusher_mutex_); + auto clbk = [this]() { this->flush_all(); }; + periodic_flusher_ = details::make_unique(clbk, interval); +} + +SPDLOG_INLINE void registry::set_error_handler(void (*handler)(const std::string &msg)) +{ + std::lock_guard lock(logger_map_mutex_); + for (auto &l : loggers_) + { + l.second->set_error_handler(handler); + } + err_handler_ = handler; +} + +SPDLOG_INLINE void registry::apply_all(const std::function)> &fun) +{ + std::lock_guard lock(logger_map_mutex_); + for (auto &l : loggers_) + { + fun(l.second); + } +} + +SPDLOG_INLINE void registry::flush_all() +{ + std::lock_guard lock(logger_map_mutex_); + for (auto &l : loggers_) + { + l.second->flush(); + } +} + +SPDLOG_INLINE void registry::drop(const std::string &logger_name) +{ + std::lock_guard lock(logger_map_mutex_); + loggers_.erase(logger_name); + if (default_logger_ && default_logger_->name() == logger_name) + { + default_logger_.reset(); + } +} + +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() +{ + { + std::lock_guard lock(flusher_mutex_); + periodic_flusher_.reset(); + } + + drop_all(); + + { + std::lock_guard lock(tp_mutex_); + tp_.reset(); + } +} + +SPDLOG_INLINE std::recursive_mutex ®istry::tp_mutex() +{ + return tp_mutex_; +} + +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) +{ + 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_) + { + auto logger_entry = log_levels_.find(logger.first); + if (logger_entry != log_levels_.end()) + { + logger.second->set_level(logger_entry->second); + } + else if (global_level_requested) + { + logger.second->set_level(*global_level); + } + } +} + +SPDLOG_INLINE registry ®istry::instance() +{ + static registry s_instance; + return s_instance; +} + +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) +{ + auto logger_name = new_logger->name(); + throw_if_exists_(logger_name); + loggers_[logger_name] = std::move(new_logger); +} + +} // namespace details +} // namespace spdlog diff --git a/NorthstarDedicatedTest/include/spdlog/details/registry.h b/NorthstarDedicatedTest/include/spdlog/details/registry.h new file mode 100644 index 00000000..b069c3f5 --- /dev/null +++ b/NorthstarDedicatedTest/include/spdlog/details/registry.h @@ -0,0 +1,115 @@ +// Copyright(c) 2015-present, Gabi Melman & spdlog contributors. +// Distributed under the MIT License (http://opensource.org/licenses/MIT) + +#pragma once + +// Loggers registry of unique name->logger pointer +// An attempt to create a logger with an already existing name will result with spdlog_ex exception. +// If user requests a non existing logger, nullptr will be returned +// This class is thread safe + +#include + +#include +#include +#include +#include +#include +#include + +namespace spdlog { +class logger; + +namespace details { +class thread_pool; +class periodic_worker; + +class SPDLOG_API registry +{ +public: + using log_levels = std::unordered_map; + registry(const registry &) = delete; + registry &operator=(const registry &) = delete; + + void register_logger(std::shared_ptr new_logger); + void initialize_logger(std::shared_ptr new_logger); + std::shared_ptr get(const std::string &logger_name); + std::shared_ptr default_logger(); + + // Return raw ptr to the 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. + logger *get_default_raw(); + + // set default logger. + // default logger is stored in default_logger_ (for faster retrieval) and in the loggers_ map. + void set_default_logger(std::shared_ptr new_default_logger); + + void set_tp(std::shared_ptr tp); + + std::shared_ptr get_tp(); + + // Set global formatter. Each sink in each logger will get a clone of this object + void set_formatter(std::unique_ptr formatter); + + void enable_backtrace(size_t n_messages); + + void disable_backtrace(); + + void set_level(level::level_enum log_level); + + void flush_on(level::level_enum log_level); + + void flush_every(std::chrono::seconds interval); + + void set_error_handler(void (*handler)(const std::string &msg)); + + void apply_all(const std::function)> &fun); + + void flush_all(); + + void drop(const std::string &logger_name); + + void drop_all(); + + // clean all resources and threads started by the registry + void shutdown(); + + std::recursive_mutex &tp_mutex(); + + void set_automatic_registration(bool automatic_registration); + + // set levels for all existing/future loggers. global_level can be null if should not set. + void set_levels(log_levels levels, level::level_enum *global_level); + + static registry &instance(); + +private: + registry(); + ~registry(); + + void throw_if_exists_(const std::string &logger_name); + void register_logger_(std::shared_ptr new_logger); + bool set_level_from_cfg_(logger *logger); + std::mutex logger_map_mutex_, flusher_mutex_; + std::recursive_mutex tp_mutex_; + std::unordered_map> loggers_; + log_levels log_levels_; + std::unique_ptr formatter_; + spdlog::level::level_enum global_log_level_ = level::info; + level::level_enum flush_level_ = level::off; + void (*err_handler_)(const std::string &msg) = nullptr; + std::shared_ptr tp_; + std::unique_ptr periodic_flusher_; + std::shared_ptr default_logger_; + bool automatic_registration_ = true; + size_t backtrace_n_messages_ = 0; +}; + +} // namespace details +} // namespace spdlog + +#ifdef SPDLOG_HEADER_ONLY +#include "registry-inl.h" +#endif diff --git a/NorthstarDedicatedTest/include/spdlog/details/synchronous_factory.h b/NorthstarDedicatedTest/include/spdlog/details/synchronous_factory.h new file mode 100644 index 00000000..b48f5932 --- /dev/null +++ b/NorthstarDedicatedTest/include/spdlog/details/synchronous_factory.h @@ -0,0 +1,24 @@ +// Copyright(c) 2015-present, Gabi Melman & spdlog contributors. +// Distributed under the MIT License (http://opensource.org/licenses/MIT) + +#pragma once + +#include "registry.h" + +namespace spdlog { + +// Default logger factory- creates synchronous loggers +class logger; + +struct synchronous_factory +{ + template + 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 \ No newline at end of file diff --git a/NorthstarDedicatedTest/include/spdlog/details/tcp_client-windows.h b/NorthstarDedicatedTest/include/spdlog/details/tcp_client-windows.h new file mode 100644 index 00000000..7ee72927 --- /dev/null +++ b/NorthstarDedicatedTest/include/spdlog/details/tcp_client-windows.h @@ -0,0 +1,175 @@ +// Copyright(c) 2015-present, Gabi Melman & spdlog contributors. +// Distributed under the MIT License (http://opensource.org/licenses/MIT) + +#pragma once + +#define WIN32_LEAN_AND_MEAN +// tcp client helper +#include +#include + +#include +#include +#include +#include +#include +#include + +#pragma comment(lib, "Ws2_32.lib") +#pragma comment(lib, "Mswsock.lib") +#pragma comment(lib, "AdvApi32.lib") + +namespace spdlog { +namespace details { +class tcp_client +{ + SOCKET socket_ = INVALID_SOCKET; + + static bool winsock_initialized_() + { + SOCKET s = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP); + if (s == INVALID_SOCKET) + { + return false; + } + else + { + closesocket(s); + return true; + } + } + + static void init_winsock_() + { + WSADATA wsaData; + auto rv = WSAStartup(MAKEWORD(2, 2), &wsaData); + if (rv != 0) + { + throw_winsock_error_("WSAStartup failed", ::WSAGetLastError()); + } + } + + static void throw_winsock_error_(const std::string &msg, int last_error) + { + char buf[512]; + ::FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS, NULL, last_error, + MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), buf, (sizeof(buf) / sizeof(char)), NULL); + + throw_spdlog_ex(fmt::format("tcp_sink - {}: {}", msg, buf)); + } + +public: + bool is_connected() const + { + return socket_ != INVALID_SOCKET; + } + + void close() + { + ::closesocket(socket_); + socket_ = INVALID_SOCKET; + WSACleanup(); + } + + SOCKET fd() const + { + return socket_; + } + + ~tcp_client() + { + close(); + } + + // try to connect or throw on failure + void connect(const std::string &host, int port) + { + // initialize winsock if needed + if (!winsock_initialized_()) + { + init_winsock_(); + } + + if (is_connected()) + { + close(); + } + struct addrinfo hints + {}; + ZeroMemory(&hints, sizeof(hints)); + + hints.ai_family = AF_INET; // IPv4 + 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) + { + last_error = ::WSAGetLastError(); + WSACleanup(); + throw_winsock_error_("getaddrinfo failed", last_error); + } + + // Try each address until we successfully connect(2). + + 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) + { + last_error = ::WSAGetLastError(); + WSACleanup(); + continue; + } + if (::connect(socket_, rp->ai_addr, (int)rp->ai_addrlen) == 0) + { + break; + } + else + { + last_error = ::WSAGetLastError(); + close(); + } + } + ::freeaddrinfo(addrinfo_result); + if (socket_ == INVALID_SOCKET) + { + WSACleanup(); + throw_winsock_error_("connect failed", last_error); + } + + // set TCP_NODELAY + int enable_flag = 1; + ::setsockopt(socket_, IPPROTO_TCP, TCP_NODELAY, (char *)&enable_flag, sizeof(enable_flag)); + } + + // Send exactly n_bytes of the given data. + // On error close the connection and throw. + void send(const char *data, size_t n_bytes) + { + size_t bytes_sent = 0; + 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) + { + int last_error = ::WSAGetLastError(); + close(); + throw_winsock_error_("send failed", last_error); + } + + if (write_result == 0) // (probably should not happen but in any case..) + { + break; + } + bytes_sent += static_cast(write_result); + } + } +}; +} // namespace details +} // namespace spdlog diff --git a/NorthstarDedicatedTest/include/spdlog/details/tcp_client.h b/NorthstarDedicatedTest/include/spdlog/details/tcp_client.h new file mode 100644 index 00000000..9f3bb99e --- /dev/null +++ b/NorthstarDedicatedTest/include/spdlog/details/tcp_client.h @@ -0,0 +1,146 @@ +// Copyright(c) 2015-present, Gabi Melman & spdlog contributors. +// Distributed under the MIT License (http://opensource.org/licenses/MIT) + +#pragma once + +#ifdef _WIN32 +#error include tcp_client-windows.h instead +#endif + +// tcp client helper +#include +#include + +#include +#include +#include +#include +#include + +#include + +namespace spdlog { +namespace details { +class tcp_client +{ + int socket_ = -1; + +public: + bool is_connected() const + { + return socket_ != -1; + } + + void close() + { + if (is_connected()) + { + ::close(socket_); + socket_ = -1; + } + } + + int fd() const + { + return socket_; + } + + ~tcp_client() + { + close(); + } + + // try to connect or throw on failure + void connect(const std::string &host, int port) + { + close(); + struct addrinfo hints + {}; + memset(&hints, 0, sizeof(struct addrinfo)); + hints.ai_family = AF_INET; // IPv4 + 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) + { + auto msg = fmt::format("::getaddrinfo failed: {}", gai_strerror(rv)); + throw_spdlog_ex(msg); + } + + // Try each address until we successfully connect(2). + int last_errno = 0; + 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) + { + last_errno = errno; + continue; + } + rv = ::connect(socket_, rp->ai_addr, rp->ai_addrlen); + if (rv == 0) + { + break; + } + last_errno = errno; + ::close(socket_); + socket_ = -1; + } + ::freeaddrinfo(addrinfo_result); + if (socket_ == -1) + { + throw_spdlog_ex("::connect failed", last_errno); + } + + // set TCP_NODELAY + int enable_flag = 1; + ::setsockopt(socket_, IPPROTO_TCP, TCP_NODELAY, (char *)&enable_flag, sizeof(enable_flag)); + + // prevent sigpipe on systems where MSG_NOSIGNAL is not available +#if defined(SO_NOSIGPIPE) && !defined(MSG_NOSIGNAL) + ::setsockopt(socket_, SOL_SOCKET, SO_NOSIGPIPE, (char *)&enable_flag, sizeof(enable_flag)); +#endif + +#if !defined(SO_NOSIGPIPE) && !defined(MSG_NOSIGNAL) +#error "tcp_sink would raise SIGPIPE since niether 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) + { + size_t bytes_sent = 0; + 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) + { + close(); + throw_spdlog_ex("write(2) failed", errno); + } + + if (write_result == 0) // (probably should not happen but in any case..) + { + break; + } + bytes_sent += static_cast(write_result); + } + } +}; +} // namespace details +} // namespace spdlog diff --git a/NorthstarDedicatedTest/include/spdlog/details/thread_pool-inl.h b/NorthstarDedicatedTest/include/spdlog/details/thread_pool-inl.h new file mode 100644 index 00000000..c1df4361 --- /dev/null +++ b/NorthstarDedicatedTest/include/spdlog/details/thread_pool-inl.h @@ -0,0 +1,129 @@ +// Copyright(c) 2015-present, Gabi Melman & spdlog contributors. +// Distributed under the MIT License (http://opensource.org/licenses/MIT) + +#pragma once + +#ifndef SPDLOG_HEADER_ONLY +#include +#endif + +#include +#include + +namespace spdlog { +namespace details { + +SPDLOG_INLINE thread_pool::thread_pool(size_t q_max_items, size_t threads_n, std::function on_thread_start) + : 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++) + { + threads_.emplace_back([this, on_thread_start] { + on_thread_start(); + this->thread_pool::worker_loop_(); + }); + } +} + +SPDLOG_INLINE thread_pool::thread_pool(size_t q_max_items, size_t threads_n) + : thread_pool(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++) + { + post_async_msg_(async_msg(async_msg_type::terminate), async_overflow_policy::block); + } + + for (auto &t : threads_) + { + t.join(); + } + } + SPDLOG_CATCH_ALL() {} +} + +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) +{ + post_async_msg_(async_msg(std::move(worker_ptr), async_msg_type::flush), overflow_policy); +} + +size_t SPDLOG_INLINE thread_pool::overrun_counter() +{ + return q_.overrun_counter(); +} + +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) + { + q_.enqueue(std::move(new_msg)); + } + else + { + q_.enqueue_nowait(std::move(new_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_() +{ + async_msg incoming_async_msg; + bool dequeued = q_.dequeue_for(incoming_async_msg, std::chrono::seconds(10)); + if (!dequeued) + { + return true; + } + + switch (incoming_async_msg.msg_type) + { + case async_msg_type::log: { + incoming_async_msg.worker_ptr->backend_sink_it_(incoming_async_msg); + return true; + } + case async_msg_type::flush: { + incoming_async_msg.worker_ptr->backend_flush_(); + return true; + } + + case async_msg_type::terminate: { + return false; + } + + default: { + assert(false); + } + } + + return true; +} + +} // namespace details +} // namespace spdlog diff --git a/NorthstarDedicatedTest/include/spdlog/details/thread_pool.h b/NorthstarDedicatedTest/include/spdlog/details/thread_pool.h new file mode 100644 index 00000000..61e25252 --- /dev/null +++ b/NorthstarDedicatedTest/include/spdlog/details/thread_pool.h @@ -0,0 +1,121 @@ +// Copyright(c) 2015-present, Gabi Melman & spdlog contributors. +// Distributed under the MIT License (http://opensource.org/licenses/MIT) + +#pragma once + +#include +#include +#include + +#include +#include +#include +#include +#include + +namespace spdlog { +class async_logger; + +namespace details { + +using async_logger_ptr = std::shared_ptr; + +enum class async_msg_type +{ + log, + flush, + terminate +}; + +#include +// Async msg to move to/from the queue +// Movable only. should never be copied +struct async_msg : log_msg_buffer +{ + async_msg_type msg_type{async_msg_type::log}; + async_logger_ptr worker_ptr; + + async_msg() = default; + ~async_msg() = default; + + // should only be moved in or out of the queue.. + async_msg(const async_msg &) = delete; + +// 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)) + {} + + 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 + 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)} + {} + + async_msg(async_logger_ptr &&worker, async_msg_type the_type) + : 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} + {} +}; + +class SPDLOG_API thread_pool +{ +public: + using item_type = async_msg; + using q_type = details::mpmc_blocking_queue; + + thread_pool(size_t q_max_items, size_t threads_n, std::function on_thread_start); + thread_pool(size_t q_max_items, size_t threads_n); + + // message all threads to terminate gracefully join them + ~thread_pool(); + + thread_pool(const thread_pool &) = delete; + thread_pool &operator=(thread_pool &&) = delete; + + void post_log(async_logger_ptr &&worker_ptr, const details::log_msg &msg, async_overflow_policy overflow_policy); + void post_flush(async_logger_ptr &&worker_ptr, async_overflow_policy overflow_policy); + size_t overrun_counter(); + size_t queue_size(); + +private: + q_type q_; + + std::vector threads_; + + void post_async_msg_(async_msg &&new_msg, async_overflow_policy overflow_policy); + void worker_loop_(); + + // process next message in the queue + // return true if this thread should still be active (while no terminate msg + // was received) + bool process_next_msg_(); +}; + +} // namespace details +} // namespace spdlog + +#ifdef SPDLOG_HEADER_ONLY +#include "thread_pool-inl.h" +#endif diff --git a/NorthstarDedicatedTest/include/spdlog/details/windows_include.h b/NorthstarDedicatedTest/include/spdlog/details/windows_include.h new file mode 100644 index 00000000..6a2f14f9 --- /dev/null +++ b/NorthstarDedicatedTest/include/spdlog/details/windows_include.h @@ -0,0 +1,11 @@ +#pragma once + +#ifndef NOMINMAX +#define NOMINMAX // prevent windows redefining min/max +#endif + +#ifndef WIN32_LEAN_AND_MEAN +#define WIN32_LEAN_AND_MEAN +#endif + +#include diff --git a/NorthstarDedicatedTest/include/spdlog/fmt/bin_to_hex.h b/NorthstarDedicatedTest/include/spdlog/fmt/bin_to_hex.h new file mode 100644 index 00000000..1e2b054b --- /dev/null +++ b/NorthstarDedicatedTest/include/spdlog/fmt/bin_to_hex.h @@ -0,0 +1,216 @@ +// +// Copyright(c) 2015 Gabi Melman. +// Distributed under the MIT License (http://opensource.org/licenses/MIT) +// + +#pragma once + +#include + +// +// Support for logging binary data as hex +// format flags, any combination of the followng: +// {:X} - print in uppercase. +// {:s} - don't separate each byte with space. +// {:p} - don't print the position on each line start. +// {:n} - don't split the output to lines. +// {:a} - show ASCII if :n is not set + +// +// Examples: +// +// std::vector v(200, 0x0b); +// logger->info("Some buffer {}", spdlog::to_hex(v)); +// char buf[128]; +// logger->info("Some buffer {:X}", spdlog::to_hex(std::begin(buf), std::end(buf))); +// logger->info("Some buffer {:X}", spdlog::to_hex(std::begin(buf), std::end(buf), 16)); + +namespace spdlog { +namespace details { + +template +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) + {} + + It begin() const + { + return begin_; + } + It end() const + { + return end_; + } + size_t size_per_line() const + { + return size_per_line_; + } + +private: + It begin_, end_; + size_t size_per_line_; +}; +} // 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) +{ + 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); +} + +// 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) +{ + return details::dump_info(range_begin, range_end, size_per_line); +} + +} // namespace spdlog + +namespace fmt { + +template +struct formatter> +{ + 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 show_ascii = false; + + // parse the format string flags + template + auto parse(ParseContext &ctx) -> decltype(ctx.begin()) + { + auto it = ctx.begin(); + while (it != ctx.end() && *it != '}') + { + switch (*it) + { + case 'X': + use_uppercase = true; + break; + case 's': + put_delimiters = false; + break; + case 'p': + put_positions = false; + break; + case 'n': + put_newlines = false; + show_ascii = false; + break; + case 'a': + if (put_newlines) + { + show_ascii = true; + } + break; + } + + ++it; + } + return it; + } + + // format the given bytes range as hex + template + auto format(const spdlog::details::dump_info &the_range, FormatContext &ctx) -> 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; + +#if FMT_VERSION < 60000 + auto inserter = ctx.begin(); +#else + auto inserter = ctx.out(); +#endif + + int size_per_line = static_cast(the_range.size_per_line()); + auto start_of_line = the_range.begin(); + for (auto i = the_range.begin(); i != the_range.end(); i++) + { + auto ch = static_cast(*i); + + if (put_newlines && (i == the_range.begin() || i - start_of_line >= size_per_line)) + { + if (show_ascii && i != the_range.begin()) + { + *inserter++ = delimiter; + *inserter++ = delimiter; + for (auto j = start_of_line; j < i; j++) + { + auto pc = static_cast(*j); + *inserter++ = std::isprint(pc) ? static_cast(*j) : '.'; + } + } + + put_newline(inserter, static_cast(i - the_range.begin())); + + // put first byte without delimiter in front of it + *inserter++ = hex_chars[(ch >> 4) & 0x0f]; + *inserter++ = hex_chars[ch & 0x0f]; + start_of_line = i; + continue; + } + + if (put_delimiters) + { + *inserter++ = delimiter; + } + + *inserter++ = hex_chars[(ch >> 4) & 0x0f]; + *inserter++ = hex_chars[ch & 0x0f]; + } + if (show_ascii) // add ascii to last line + { + if (the_range.end() - the_range.begin() > size_per_line) + { + auto blank_num = size_per_line - (the_range.end() - start_of_line); + while (blank_num-- > 0) + { + *inserter++ = delimiter; + *inserter++ = delimiter; + if (put_delimiters) + { + *inserter++ = delimiter; + } + } + } + *inserter++ = delimiter; + *inserter++ = delimiter; + for (auto j = start_of_line; j != the_range.end(); j++) + { + auto pc = static_cast(*j); + *inserter++ = std::isprint(pc) ? static_cast(*j) : '.'; + } + } + return inserter; + } + + // put newline(and position header) + template + void put_newline(It inserter, std::size_t pos) + { +#ifdef _WIN32 + *inserter++ = '\r'; +#endif + *inserter++ = '\n'; + + if (put_positions) + { + fmt::format_to(inserter, "{:<04X}: ", pos); + } + } +}; +} // namespace fmt diff --git a/NorthstarDedicatedTest/include/spdlog/fmt/bundled/LICENSE.rst b/NorthstarDedicatedTest/include/spdlog/fmt/bundled/LICENSE.rst new file mode 100644 index 00000000..f0ec3db4 --- /dev/null +++ b/NorthstarDedicatedTest/include/spdlog/fmt/bundled/LICENSE.rst @@ -0,0 +1,27 @@ +Copyright (c) 2012 - present, Victor Zverovich + +Permission is hereby granted, free of charge, to any person obtaining +a copy of this software and associated documentation files (the +"Software"), to deal in the Software without restriction, including +without limitation the rights to use, copy, modify, merge, publish, +distribute, sublicense, and/or sell copies of the Software, and to +permit persons to whom the Software is furnished to do so, subject to +the following conditions: + +The above copyright notice and this permission notice shall be +included in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE +LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +--- Optional exception to the license --- + +As an exception, if, as a result of your compiling your source code, portions +of this Software are embedded into a machine-executable object form of such +source code, you may redistribute such embedded portions in such object form +without including the above copyright and permission notices. diff --git a/NorthstarDedicatedTest/include/spdlog/fmt/bundled/chrono.h b/NorthstarDedicatedTest/include/spdlog/fmt/bundled/chrono.h new file mode 100644 index 00000000..1a3b8d5e --- /dev/null +++ b/NorthstarDedicatedTest/include/spdlog/fmt/bundled/chrono.h @@ -0,0 +1,1118 @@ +// Formatting library for C++ - chrono support +// +// Copyright (c) 2012 - present, Victor Zverovich +// All rights reserved. +// +// For the license information refer to format.h. + +#ifndef FMT_CHRONO_H_ +#define FMT_CHRONO_H_ + +#include +#include +#include +#include + +#include "format.h" +#include "locale.h" + +FMT_BEGIN_NAMESPACE + +// Enable safe chrono durations, unless explicitly disabled. +#ifndef FMT_SAFE_DURATION_CAST +# define FMT_SAFE_DURATION_CAST 1 +#endif +#if FMT_SAFE_DURATION_CAST + +// For conversion between std::chrono::durations without undefined +// behaviour or erroneous results. +// This is a stripped down version of duration_cast, for inclusion in fmt. +// See https://github.com/pauldreik/safe_duration_cast +// +// Copyright Paul Dreik 2019 +namespace safe_duration_cast { + +template ::value && + std::numeric_limits::is_signed == + std::numeric_limits::is_signed)> +FMT_CONSTEXPR To lossless_integral_conversion(const From from, int& ec) { + ec = 0; + using F = std::numeric_limits; + using T = std::numeric_limits; + static_assert(F::is_integer, "From must be integral"); + static_assert(T::is_integer, "To must be integral"); + + // A and B are both signed, or both unsigned. + if (F::digits <= T::digits) { + // From fits in To without any problem. + } else { + // From does not always fit in To, resort to a dynamic check. + if (from < (T::min)() || from > (T::max)()) { + // outside range. + ec = 1; + return {}; + } + } + return static_cast(from); +} + +/** + * converts From to To, without loss. If the dynamic value of from + * can't be converted to To without loss, ec is set. + */ +template ::value && + std::numeric_limits::is_signed != + std::numeric_limits::is_signed)> +FMT_CONSTEXPR To lossless_integral_conversion(const From from, int& ec) { + ec = 0; + using F = std::numeric_limits; + using T = std::numeric_limits; + static_assert(F::is_integer, "From must be integral"); + static_assert(T::is_integer, "To must be integral"); + + if (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 (F::digits > T::digits && + from > static_cast(detail::max_value())) { + ec = 1; + return {}; + } + } + + if (!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; +} // function + +// clang-format off +/** + * converts From to To if possible, otherwise ec is set. + * + * input | output + * ---------------------------------|--------------- + * NaN | NaN + * Inf | Inf + * normal, fits in output | converted (possibly lossy) + * normal, does not fit in output | ec is set + * subnormal | best effort + * -Inf | -Inf + */ +// clang-format on +template ::value)> +FMT_CONSTEXPR To safe_float_conversion(const From from, int& ec) { + ec = 0; + using T = std::numeric_limits; + static_assert(std::is_floating_point::value, "From must be floating"); + static_assert(std::is_floating_point::value, "To must be floating"); + + // catch the only happy case + if (std::isfinite(from)) { + if (from >= T::lowest() && from <= (T::max)()) { + return static_cast(from); + } + // not within range. + ec = 1; + return {}; + } + + // nan and inf will be preserved + return static_cast(from); +} // function + +template ::value)> +FMT_CONSTEXPR To safe_float_conversion(const From from, int& ec) { + ec = 0; + static_assert(std::is_floating_point::value, "From must be floating"); + return from; +} + +/** + * safe duration cast between integral durations + */ +template ::value), + FMT_ENABLE_IF(std::is_integral::value)> +To safe_duration_cast(std::chrono::duration from, + int& ec) { + using From = std::chrono::duration; + ec = 0; + // the basic idea is that we need to convert from count() in the from type + // to count() in the To type, by multiplying it with this: + struct Factor + : std::ratio_divide {}; + + static_assert(Factor::num > 0, "num must be positive"); + static_assert(Factor::den > 0, "den must be positive"); + + // the conversion is like this: multiply from.count() with Factor::num + // /Factor::den and convert it to To::rep, all this without + // overflow/underflow. let's start by finding a suitable type that can hold + // both To, From and Factor::num + using IntermediateRep = + typename std::common_type::type; + + // safe conversion to IntermediateRep + IntermediateRep count = + lossless_integral_conversion(from.count(), ec); + if (ec) return {}; + // multiply with Factor::num without overflow or underflow + if (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 (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)> +To safe_duration_cast(std::chrono::duration from, + int& ec) { + using From = std::chrono::duration; + ec = 0; + if (std::isnan(from.count())) { + // nan in, gives nan out. easy. + return To{std::numeric_limits::quiet_NaN()}; + } + // maybe we should also check if from is denormal, and decide what to do about + // it. + + // +-inf should be preserved. + if (std::isinf(from.count())) { + return To{from.count()}; + } + + // the basic idea is that we need to convert from count() in the from type + // to count() in the To type, by multiplying it with this: + struct Factor + : std::ratio_divide {}; + + static_assert(Factor::num > 0, "num must be positive"); + static_assert(Factor::den > 0, "den must be positive"); + + // the conversion is like this: multiply from.count() with Factor::num + // /Factor::den and convert it to To::rep, all this without + // overflow/underflow. let's start by finding a suitable type that can hold + // both To, From and Factor::num + using IntermediateRep = + typename std::common_type::type; + + // force conversion of From::rep -> IntermediateRep to be safe, + // even if it will never happen be narrowing in this context. + IntermediateRep count = + safe_float_conversion(from.count(), ec); + if (ec) { + return {}; + } + + // multiply with Factor::num without overflow or underflow + if (Factor::num != 1) { + constexpr auto max1 = 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 (Factor::den != 1) { + using common_t = typename std::common_type::type; + count /= static_cast(Factor::den); + } + + // convert to the to type, safely + using ToRep = typename To::rep; + + const ToRep tocount = safe_float_conversion(count, ec); + if (ec) { + return {}; + } + return To{tocount}; +} +} // namespace safe_duration_cast +#endif + +// Prevents expansion of a preceding token as a function-style macro. +// Usage: f FMT_NOMACRO() +#define FMT_NOMACRO + +namespace detail { +inline null<> localtime_r FMT_NOMACRO(...) { return null<>(); } +inline null<> localtime_s(...) { return null<>(); } +inline null<> gmtime_r(...) { return null<>(); } +inline null<> gmtime_s(...) { return null<>(); } +} // namespace detail + +// Thread-safe replacement for std::localtime +inline std::tm localtime(std::time_t time) { + struct dispatcher { + std::time_t time_; + std::tm tm_; + + dispatcher(std::time_t t) : time_(t) {} + + bool run() { + using namespace fmt::detail; + return handle(localtime_r(&time_, &tm_)); + } + + bool handle(std::tm* tm) { return tm != nullptr; } + + bool handle(detail::null<>) { + using namespace fmt::detail; + return fallback(localtime_s(&tm_, &time_)); + } + + bool fallback(int res) { return res == 0; } + +#if !FMT_MSC_VER + 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_; +} + +inline std::tm localtime( + std::chrono::time_point time_point) { + return localtime(std::chrono::system_clock::to_time_t(time_point)); +} + +// Thread-safe replacement for std::gmtime +inline std::tm gmtime(std::time_t time) { + struct dispatcher { + std::time_t time_; + std::tm tm_; + + dispatcher(std::time_t t) : time_(t) {} + + bool run() { + using namespace fmt::detail; + return handle(gmtime_r(&time_, &tm_)); + } + + bool handle(std::tm* tm) { return tm != nullptr; } + + bool handle(detail::null<>) { + using namespace fmt::detail; + return fallback(gmtime_s(&tm_, &time_)); + } + + bool fallback(int res) { return res == 0; } + +#if !FMT_MSC_VER + 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_; +} + +inline std::tm gmtime( + std::chrono::time_point time_point) { + return gmtime(std::chrono::system_clock::to_time_t(time_point)); +} + +namespace detail { +inline size_t strftime(char* str, size_t count, const char* format, + const std::tm* time) { + return std::strftime(str, count, format, time); +} + +inline size_t strftime(wchar_t* str, size_t count, const wchar_t* format, + const std::tm* time) { + return std::wcsftime(str, count, format, time); +} +} // namespace detail + +template +struct formatter, Char> + : formatter { + template + auto format(std::chrono::time_point val, + FormatContext& ctx) -> decltype(ctx.out()) { + std::tm time = localtime(val); + return formatter::format(time, ctx); + } +}; + +template struct formatter { + template + auto parse(ParseContext& ctx) -> decltype(ctx.begin()) { + auto it = ctx.begin(); + if (it != ctx.end() && *it == ':') ++it; + auto end = it; + while (end != ctx.end() && *end != '}') ++end; + tm_format.reserve(detail::to_unsigned(end - it + 1)); + tm_format.append(it, end); + tm_format.push_back('\0'); + return end; + } + + template + auto format(const std::tm& tm, FormatContext& ctx) -> decltype(ctx.out()) { + basic_memory_buffer buf; + size_t start = buf.size(); + for (;;) { + size_t size = buf.capacity() - start; + size_t count = detail::strftime(&buf[start], size, &tm_format[0], &tm); + if (count != 0) { + buf.resize(start + count); + break; + } + if (size >= tm_format.size() * 256) { + // If the buffer is 256 times larger than the format string, assume + // that `strftime` gives an empty result. There doesn't seem to be a + // better way to distinguish the two cases: + // https://github.com/fmtlib/fmt/issues/367 + break; + } + const size_t MIN_GROWTH = 10; + buf.reserve(buf.capacity() + (size > MIN_GROWTH ? size : MIN_GROWTH)); + } + return std::copy(buf.begin(), buf.end(), ctx.out()); + } + + basic_memory_buffer tm_format; +}; + +namespace detail { +template FMT_CONSTEXPR const char* get_units() { + return nullptr; +} +template <> FMT_CONSTEXPR const char* get_units() { return "as"; } +template <> FMT_CONSTEXPR const char* get_units() { return "fs"; } +template <> FMT_CONSTEXPR const char* get_units() { return "ps"; } +template <> FMT_CONSTEXPR const char* get_units() { return "ns"; } +template <> FMT_CONSTEXPR const char* get_units() { return "µs"; } +template <> FMT_CONSTEXPR const char* get_units() { return "ms"; } +template <> FMT_CONSTEXPR const char* get_units() { return "cs"; } +template <> FMT_CONSTEXPR const char* get_units() { return "ds"; } +template <> FMT_CONSTEXPR const char* get_units>() { return "s"; } +template <> FMT_CONSTEXPR const char* get_units() { return "das"; } +template <> FMT_CONSTEXPR const char* get_units() { return "hs"; } +template <> FMT_CONSTEXPR const char* get_units() { return "ks"; } +template <> FMT_CONSTEXPR const char* get_units() { return "Ms"; } +template <> FMT_CONSTEXPR const char* get_units() { return "Gs"; } +template <> FMT_CONSTEXPR const char* get_units() { return "Ts"; } +template <> FMT_CONSTEXPR const char* get_units() { return "Ps"; } +template <> FMT_CONSTEXPR const char* get_units() { return "Es"; } +template <> FMT_CONSTEXPR const char* get_units>() { + return "m"; +} +template <> FMT_CONSTEXPR const char* get_units>() { + return "h"; +} + +enum class numeric_system { + standard, + // Alternative numeric system, e.g. 十二 instead of 12 in ja_JP locale. + alternative +}; + +// Parses a put_time-like format string and invokes handler actions. +template +FMT_CONSTEXPR const Char* parse_chrono_format(const Char* begin, + const Char* end, + Handler&& handler) { + auto ptr = begin; + while (ptr != end) { + auto c = *ptr; + if (c == '}') break; + if (c != '%') { + ++ptr; + continue; + } + if (begin != ptr) handler.on_text(begin, ptr); + ++ptr; // consume '%' + if (ptr == end) FMT_THROW(format_error("invalid format")); + c = *ptr++; + switch (c) { + case '%': + handler.on_text(ptr - 1, ptr); + break; + case 'n': { + const Char newline[] = {'\n'}; + handler.on_text(newline, newline + 1); + break; + } + case 't': { + const Char tab[] = {'\t'}; + handler.on_text(tab, tab + 1); + break; + } + // Day of the week: + case 'a': + handler.on_abbr_weekday(); + break; + case 'A': + handler.on_full_weekday(); + break; + case 'w': + handler.on_dec0_weekday(numeric_system::standard); + break; + case 'u': + handler.on_dec1_weekday(numeric_system::standard); + break; + // Month: + case 'b': + handler.on_abbr_month(); + break; + case 'B': + handler.on_full_month(); + break; + // Hour, minute, second: + case 'H': + handler.on_24_hour(numeric_system::standard); + break; + case 'I': + handler.on_12_hour(numeric_system::standard); + break; + case 'M': + handler.on_minute(numeric_system::standard); + break; + case 'S': + handler.on_second(numeric_system::standard); + break; + // Other: + case 'c': + handler.on_datetime(numeric_system::standard); + break; + case 'x': + handler.on_loc_date(numeric_system::standard); + break; + case 'X': + handler.on_loc_time(numeric_system::standard); + break; + case 'D': + handler.on_us_date(); + break; + case 'F': + handler.on_iso_date(); + break; + case 'r': + handler.on_12_hour_time(); + break; + case 'R': + handler.on_24_hour_time(); + break; + case 'T': + handler.on_iso_time(); + break; + case 'p': + handler.on_am_pm(); + break; + case 'Q': + handler.on_duration_value(); + break; + case 'q': + handler.on_duration_unit(); + break; + case 'z': + handler.on_utc_offset(); + break; + case 'Z': + handler.on_tz_name(); + break; + // Alternative representation: + case 'E': { + if (ptr == end) FMT_THROW(format_error("invalid format")); + c = *ptr++; + switch (c) { + case 'c': + handler.on_datetime(numeric_system::alternative); + break; + case 'x': + handler.on_loc_date(numeric_system::alternative); + break; + case 'X': + handler.on_loc_time(numeric_system::alternative); + break; + default: + FMT_THROW(format_error("invalid format")); + } + break; + } + case 'O': + if (ptr == end) FMT_THROW(format_error("invalid format")); + c = *ptr++; + switch (c) { + case 'w': + handler.on_dec0_weekday(numeric_system::alternative); + break; + case 'u': + handler.on_dec1_weekday(numeric_system::alternative); + break; + case 'H': + handler.on_24_hour(numeric_system::alternative); + break; + case 'I': + handler.on_12_hour(numeric_system::alternative); + break; + case 'M': + handler.on_minute(numeric_system::alternative); + break; + case 'S': + handler.on_second(numeric_system::alternative); + break; + default: + FMT_THROW(format_error("invalid format")); + } + break; + default: + FMT_THROW(format_error("invalid format")); + } + begin = ptr; + } + if (begin != ptr) handler.on_text(begin, ptr); + return ptr; +} + +struct chrono_format_checker { + FMT_NORETURN void report_no_date() { FMT_THROW(format_error("no date")); } + + template void on_text(const Char*, const Char*) {} + FMT_NORETURN void on_abbr_weekday() { report_no_date(); } + FMT_NORETURN void on_full_weekday() { report_no_date(); } + FMT_NORETURN void on_dec0_weekday(numeric_system) { report_no_date(); } + FMT_NORETURN void on_dec1_weekday(numeric_system) { report_no_date(); } + FMT_NORETURN void on_abbr_month() { report_no_date(); } + FMT_NORETURN void on_full_month() { report_no_date(); } + void on_24_hour(numeric_system) {} + void on_12_hour(numeric_system) {} + void on_minute(numeric_system) {} + void on_second(numeric_system) {} + FMT_NORETURN void on_datetime(numeric_system) { report_no_date(); } + FMT_NORETURN void on_loc_date(numeric_system) { report_no_date(); } + FMT_NORETURN void on_loc_time(numeric_system) { report_no_date(); } + FMT_NORETURN void on_us_date() { report_no_date(); } + FMT_NORETURN void on_iso_date() { report_no_date(); } + void on_12_hour_time() {} + void on_24_hour_time() {} + void on_iso_time() {} + void on_am_pm() {} + void on_duration_value() {} + void on_duration_unit() {} + FMT_NORETURN void on_utc_offset() { report_no_date(); } + FMT_NORETURN void on_tz_name() { report_no_date(); } +}; + +template ::value)> +inline bool isnan(T) { + return false; +} +template ::value)> +inline bool isnan(T value) { + return std::isnan(value); +} + +template ::value)> +inline bool isfinite(T) { + return true; +} +template ::value)> +inline bool isfinite(T value) { + return std::isfinite(value); +} + +// Converts value to int and checks that it's in the range [0, upper). +template ::value)> +inline int to_nonnegative_int(T value, int upper) { + FMT_ASSERT(value >= 0 && value <= upper, "invalid value"); + (void)upper; + return static_cast(value); +} +template ::value)> +inline int to_nonnegative_int(T value, int upper) { + FMT_ASSERT( + std::isnan(value) || (value >= 0 && value <= static_cast(upper)), + "invalid value"); + (void)upper; + return static_cast(value); +} + +template ::value)> +inline T mod(T x, int y) { + return x % static_cast(y); +} +template ::value)> +inline T mod(T x, int y) { + return std::fmod(x, static_cast(y)); +} + +// If T is an integral type, maps T to its unsigned counterpart, otherwise +// leaves it unchanged (unlike std::make_unsigned). +template ::value> +struct make_unsigned_or_unchanged { + using type = T; +}; + +template struct make_unsigned_or_unchanged { + using type = typename std::make_unsigned::type; +}; + +#if FMT_SAFE_DURATION_CAST +// throwing version of safe_duration_cast +template +To fmt_safe_duration_cast(std::chrono::duration from) { + int ec; + To to = safe_duration_cast::safe_duration_cast(from, ec); + if (ec) FMT_THROW(format_error("cannot format duration")); + return to; +} +#endif + +template ::value)> +inline std::chrono::duration get_milliseconds( + std::chrono::duration d) { + // this may overflow and/or the result may not fit in the + // target type. +#if FMT_SAFE_DURATION_CAST + using CommonSecondsType = + typename std::common_type::type; + const auto d_as_common = fmt_safe_duration_cast(d); + const auto d_as_whole_seconds = + fmt_safe_duration_cast(d_as_common); + // this conversion should be nonproblematic + const auto diff = d_as_common - d_as_whole_seconds; + const auto ms = + fmt_safe_duration_cast>(diff); + return ms; +#else + auto s = std::chrono::duration_cast(d); + return std::chrono::duration_cast(d - s); +#endif +} + +template ::value)> +inline std::chrono::duration get_milliseconds( + std::chrono::duration d) { + using common_type = typename std::common_type::type; + auto ms = mod(d.count() * static_cast(Period::num) / + static_cast(Period::den) * 1000, + 1000); + return std::chrono::duration(static_cast(ms)); +} + +template +OutputIt format_duration_value(OutputIt out, Rep val, int precision) { + const Char pr_f[] = {'{', ':', '.', '{', '}', 'f', '}', 0}; + if (precision >= 0) return format_to(out, pr_f, val, precision); + const Char fp_f[] = {'{', ':', 'g', '}', 0}; + const Char format[] = {'{', '}', 0}; + return format_to(out, std::is_floating_point::value ? fp_f : format, + val); +} +template +OutputIt copy_unit(string_view unit, OutputIt out, Char) { + return std::copy(unit.begin(), unit.end(), out); +} + +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); +} + +template +OutputIt format_duration_unit(OutputIt out) { + if (const char* unit = get_units()) + return copy_unit(string_view(unit), out, Char()); + const Char num_f[] = {'[', '{', '}', ']', 's', 0}; + if (const_check(Period::den == 1)) return format_to(out, num_f, Period::num); + const Char num_def_f[] = {'[', '{', '}', '/', '{', '}', ']', 's', 0}; + return format_to(out, num_def_f, Period::num, Period::den); +} + +template +struct chrono_formatter { + FormatContext& context; + OutputIt out; + int precision; + // rep is unsigned to avoid overflow. + using rep = + conditional_t::value && sizeof(Rep) < sizeof(int), + unsigned, typename make_unsigned_or_unchanged::type>; + rep val; + using seconds = std::chrono::duration; + seconds s; + using milliseconds = std::chrono::duration; + bool negative; + + using char_type = typename FormatContext::char_type; + + explicit chrono_formatter(FormatContext& ctx, OutputIt o, + std::chrono::duration d) + : context(ctx), + out(o), + val(static_cast(d.count())), + negative(false) { + if (d.count() < 0) { + val = 0 - val; + negative = true; + } + + // this may overflow and/or the result may not fit in the + // target type. +#if FMT_SAFE_DURATION_CAST + // might need checked conversion (rep!=Rep) + auto tmpval = std::chrono::duration(val); + s = fmt_safe_duration_cast(tmpval); +#else + s = std::chrono::duration_cast( + std::chrono::duration(val)); +#endif + } + + // returns true if nan or inf, writes to out. + bool handle_nan_inf() { + if (isfinite(val)) { + return false; + } + if (isnan(val)) { + write_nan(); + return true; + } + // must be +-inf + if (val > 0) { + write_pinf(); + } else { + write_ninf(); + } + return true; + } + + Rep hour() const { return static_cast(mod((s.count() / 3600), 24)); } + + Rep hour12() const { + Rep hour = static_cast(mod((s.count() / 3600), 12)); + return hour <= 0 ? 12 : hour; + } + + Rep minute() const { return static_cast(mod((s.count() / 60), 60)); } + Rep second() const { return static_cast(mod(s.count(), 60)); } + + std::tm time() const { + auto time = std::tm(); + time.tm_hour = to_nonnegative_int(hour(), 24); + time.tm_min = to_nonnegative_int(minute(), 60); + time.tm_sec = to_nonnegative_int(second(), 60); + return time; + } + + void write_sign() { + if (negative) { + *out++ = '-'; + negative = false; + } + } + + void write(Rep value, int width) { + write_sign(); + if (isnan(value)) return write_nan(); + uint32_or_64_or_128_t n = + to_unsigned(to_nonnegative_int(value, max_value())); + int num_digits = 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; + } + + void write_nan() { std::copy_n("nan", 3, out); } + void write_pinf() { std::copy_n("inf", 3, out); } + void write_ninf() { std::copy_n("-inf", 4, out); } + + void format_localized(const tm& time, char format, char modifier = 0) { + if (isnan(val)) return write_nan(); + auto locale = context.locale().template get(); + auto& facet = std::use_facet>(locale); + std::basic_ostringstream os; + os.imbue(locale); + facet.put(os, os, ' ', &time, format, modifier); + auto str = os.str(); + std::copy(str.begin(), str.end(), out); + } + + void on_text(const char_type* begin, const char_type* end) { + std::copy(begin, end, out); + } + + // These are not implemented because durations don't have date information. + void on_abbr_weekday() {} + void on_full_weekday() {} + void on_dec0_weekday(numeric_system) {} + void on_dec1_weekday(numeric_system) {} + void on_abbr_month() {} + void on_full_month() {} + void on_datetime(numeric_system) {} + void on_loc_date(numeric_system) {} + void on_loc_time(numeric_system) {} + void on_us_date() {} + void on_iso_date() {} + void on_utc_offset() {} + void on_tz_name() {} + + void on_24_hour(numeric_system ns) { + if (handle_nan_inf()) return; + + if (ns == numeric_system::standard) return write(hour(), 2); + auto time = tm(); + time.tm_hour = to_nonnegative_int(hour(), 24); + format_localized(time, 'H', 'O'); + } + + void on_12_hour(numeric_system ns) { + if (handle_nan_inf()) return; + + if (ns == numeric_system::standard) return write(hour12(), 2); + auto time = tm(); + time.tm_hour = to_nonnegative_int(hour12(), 12); + format_localized(time, 'I', 'O'); + } + + void on_minute(numeric_system ns) { + if (handle_nan_inf()) return; + + if (ns == numeric_system::standard) return write(minute(), 2); + auto time = tm(); + time.tm_min = to_nonnegative_int(minute(), 60); + format_localized(time, 'M', 'O'); + } + + void on_second(numeric_system ns) { + if (handle_nan_inf()) return; + + if (ns == numeric_system::standard) { + write(second(), 2); +#if FMT_SAFE_DURATION_CAST + // convert rep->Rep + using duration_rep = std::chrono::duration; + using duration_Rep = std::chrono::duration; + auto tmpval = fmt_safe_duration_cast(duration_rep{val}); +#else + auto tmpval = std::chrono::duration(val); +#endif + auto ms = get_milliseconds(tmpval); + if (ms != std::chrono::milliseconds(0)) { + *out++ = '.'; + write(ms.count(), 3); + } + return; + } + auto time = tm(); + time.tm_sec = to_nonnegative_int(second(), 60); + format_localized(time, 'S', 'O'); + } + + void on_12_hour_time() { + if (handle_nan_inf()) return; + format_localized(time(), 'r'); + } + + void on_24_hour_time() { + if (handle_nan_inf()) { + *out++ = ':'; + handle_nan_inf(); + return; + } + + write(hour(), 2); + *out++ = ':'; + write(minute(), 2); + } + + void on_iso_time() { + on_24_hour_time(); + *out++ = ':'; + if (handle_nan_inf()) return; + write(second(), 2); + } + + void on_am_pm() { + if (handle_nan_inf()) return; + format_localized(time(), 'p'); + } + + void on_duration_value() { + if (handle_nan_inf()) return; + write_sign(); + out = format_duration_value(out, val, precision); + } + + void on_duration_unit() { + out = format_duration_unit(out); + } +}; +} // namespace detail + +template +struct formatter, Char> { + private: + basic_format_specs specs; + int precision; + using arg_ref_type = detail::arg_ref; + arg_ref_type width_ref; + arg_ref_type precision_ref; + mutable basic_string_view format_str; + using duration = std::chrono::duration; + + struct spec_handler { + formatter& f; + basic_format_parse_context& context; + basic_string_view format_str; + + template FMT_CONSTEXPR arg_ref_type make_arg_ref(Id arg_id) { + context.check_arg_id(arg_id); + return arg_ref_type(arg_id); + } + + FMT_CONSTEXPR arg_ref_type make_arg_ref(basic_string_view arg_id) { + context.check_arg_id(arg_id); + return arg_ref_type(arg_id); + } + + FMT_CONSTEXPR arg_ref_type make_arg_ref(detail::auto_id) { + return arg_ref_type(context.next_arg_id()); + } + + void on_error(const char* msg) { FMT_THROW(format_error(msg)); } + void on_fill(basic_string_view fill) { f.specs.fill = fill; } + void on_align(align_t align) { f.specs.align = align; } + void on_width(int width) { f.specs.width = width; } + void on_precision(int _precision) { f.precision = _precision; } + void end_precision() {} + + template void on_dynamic_width(Id arg_id) { + f.width_ref = make_arg_ref(arg_id); + } + + template void on_dynamic_precision(Id arg_id) { + f.precision_ref = make_arg_ref(arg_id); + } + }; + + using iterator = typename basic_format_parse_context::iterator; + struct parse_range { + iterator begin; + iterator end; + }; + + FMT_CONSTEXPR parse_range do_parse(basic_format_parse_context& ctx) { + auto begin = ctx.begin(), end = ctx.end(); + if (begin == end || *begin == '}') return {begin, begin}; + spec_handler handler{*this, ctx, format_str}; + begin = 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"); + } + end = parse_chrono_format(begin, end, detail::chrono_format_checker()); + return {begin, end}; + } + + public: + formatter() : precision(-1) {} + + FMT_CONSTEXPR auto parse(basic_format_parse_context& ctx) + -> decltype(ctx.begin()) { + auto range = do_parse(ctx); + format_str = basic_string_view( + &*range.begin, detail::to_unsigned(range.end - range.begin)); + return range.end; + } + + template + auto format(const duration& d, FormatContext& ctx) -> decltype(ctx.out()) { + auto begin = format_str.begin(), end = format_str.end(); + // As a possible future optimization, we could avoid extra copying if width + // is not specified. + basic_memory_buffer buf; + auto out = std::back_inserter(buf); + detail::handle_dynamic_spec(specs.width, width_ref, + ctx); + detail::handle_dynamic_spec(precision, + precision_ref, ctx); + if (begin == end || *begin == '}') { + out = detail::format_duration_value(out, d.count(), precision); + detail::format_duration_unit(out); + } else { + detail::chrono_formatter f( + ctx, out, d); + f.precision = precision; + parse_chrono_format(begin, end, f); + } + return detail::write( + ctx.out(), basic_string_view(buf.data(), buf.size()), specs); + } +}; + +FMT_END_NAMESPACE + +#endif // FMT_CHRONO_H_ diff --git a/NorthstarDedicatedTest/include/spdlog/fmt/bundled/color.h b/NorthstarDedicatedTest/include/spdlog/fmt/bundled/color.h new file mode 100644 index 00000000..94e3419d --- /dev/null +++ b/NorthstarDedicatedTest/include/spdlog/fmt/bundled/color.h @@ -0,0 +1,603 @@ +// Formatting library for C++ - color support +// +// Copyright (c) 2018 - present, Victor Zverovich and fmt contributors +// All rights reserved. +// +// For the license information refer to format.h. + +#ifndef FMT_COLOR_H_ +#define FMT_COLOR_H_ + +#include "format.h" + +FMT_BEGIN_NAMESPACE + +enum class color : uint32_t { + alice_blue = 0xF0F8FF, // rgb(240,248,255) + antique_white = 0xFAEBD7, // rgb(250,235,215) + aqua = 0x00FFFF, // rgb(0,255,255) + aquamarine = 0x7FFFD4, // rgb(127,255,212) + azure = 0xF0FFFF, // rgb(240,255,255) + beige = 0xF5F5DC, // rgb(245,245,220) + bisque = 0xFFE4C4, // rgb(255,228,196) + black = 0x000000, // rgb(0,0,0) + blanched_almond = 0xFFEBCD, // rgb(255,235,205) + blue = 0x0000FF, // rgb(0,0,255) + blue_violet = 0x8A2BE2, // rgb(138,43,226) + brown = 0xA52A2A, // rgb(165,42,42) + burly_wood = 0xDEB887, // rgb(222,184,135) + cadet_blue = 0x5F9EA0, // rgb(95,158,160) + chartreuse = 0x7FFF00, // rgb(127,255,0) + chocolate = 0xD2691E, // rgb(210,105,30) + coral = 0xFF7F50, // rgb(255,127,80) + cornflower_blue = 0x6495ED, // rgb(100,149,237) + cornsilk = 0xFFF8DC, // rgb(255,248,220) + crimson = 0xDC143C, // rgb(220,20,60) + cyan = 0x00FFFF, // rgb(0,255,255) + dark_blue = 0x00008B, // rgb(0,0,139) + dark_cyan = 0x008B8B, // rgb(0,139,139) + dark_golden_rod = 0xB8860B, // rgb(184,134,11) + dark_gray = 0xA9A9A9, // rgb(169,169,169) + dark_green = 0x006400, // rgb(0,100,0) + dark_khaki = 0xBDB76B, // rgb(189,183,107) + dark_magenta = 0x8B008B, // rgb(139,0,139) + dark_olive_green = 0x556B2F, // rgb(85,107,47) + dark_orange = 0xFF8C00, // rgb(255,140,0) + dark_orchid = 0x9932CC, // rgb(153,50,204) + dark_red = 0x8B0000, // rgb(139,0,0) + dark_salmon = 0xE9967A, // rgb(233,150,122) + dark_sea_green = 0x8FBC8F, // rgb(143,188,143) + dark_slate_blue = 0x483D8B, // rgb(72,61,139) + dark_slate_gray = 0x2F4F4F, // rgb(47,79,79) + dark_turquoise = 0x00CED1, // rgb(0,206,209) + dark_violet = 0x9400D3, // rgb(148,0,211) + deep_pink = 0xFF1493, // rgb(255,20,147) + deep_sky_blue = 0x00BFFF, // rgb(0,191,255) + dim_gray = 0x696969, // rgb(105,105,105) + dodger_blue = 0x1E90FF, // rgb(30,144,255) + fire_brick = 0xB22222, // rgb(178,34,34) + floral_white = 0xFFFAF0, // rgb(255,250,240) + forest_green = 0x228B22, // rgb(34,139,34) + fuchsia = 0xFF00FF, // rgb(255,0,255) + gainsboro = 0xDCDCDC, // rgb(220,220,220) + ghost_white = 0xF8F8FF, // rgb(248,248,255) + gold = 0xFFD700, // rgb(255,215,0) + golden_rod = 0xDAA520, // rgb(218,165,32) + gray = 0x808080, // rgb(128,128,128) + green = 0x008000, // rgb(0,128,0) + green_yellow = 0xADFF2F, // rgb(173,255,47) + honey_dew = 0xF0FFF0, // rgb(240,255,240) + hot_pink = 0xFF69B4, // rgb(255,105,180) + indian_red = 0xCD5C5C, // rgb(205,92,92) + indigo = 0x4B0082, // rgb(75,0,130) + ivory = 0xFFFFF0, // rgb(255,255,240) + khaki = 0xF0E68C, // rgb(240,230,140) + lavender = 0xE6E6FA, // rgb(230,230,250) + lavender_blush = 0xFFF0F5, // rgb(255,240,245) + lawn_green = 0x7CFC00, // rgb(124,252,0) + lemon_chiffon = 0xFFFACD, // rgb(255,250,205) + light_blue = 0xADD8E6, // rgb(173,216,230) + light_coral = 0xF08080, // rgb(240,128,128) + light_cyan = 0xE0FFFF, // rgb(224,255,255) + light_golden_rod_yellow = 0xFAFAD2, // rgb(250,250,210) + light_gray = 0xD3D3D3, // rgb(211,211,211) + light_green = 0x90EE90, // rgb(144,238,144) + light_pink = 0xFFB6C1, // rgb(255,182,193) + light_salmon = 0xFFA07A, // rgb(255,160,122) + light_sea_green = 0x20B2AA, // rgb(32,178,170) + light_sky_blue = 0x87CEFA, // rgb(135,206,250) + light_slate_gray = 0x778899, // rgb(119,136,153) + light_steel_blue = 0xB0C4DE, // rgb(176,196,222) + light_yellow = 0xFFFFE0, // rgb(255,255,224) + lime = 0x00FF00, // rgb(0,255,0) + lime_green = 0x32CD32, // rgb(50,205,50) + linen = 0xFAF0E6, // rgb(250,240,230) + magenta = 0xFF00FF, // rgb(255,0,255) + maroon = 0x800000, // rgb(128,0,0) + medium_aquamarine = 0x66CDAA, // rgb(102,205,170) + medium_blue = 0x0000CD, // rgb(0,0,205) + medium_orchid = 0xBA55D3, // rgb(186,85,211) + medium_purple = 0x9370DB, // rgb(147,112,219) + medium_sea_green = 0x3CB371, // rgb(60,179,113) + medium_slate_blue = 0x7B68EE, // rgb(123,104,238) + medium_spring_green = 0x00FA9A, // rgb(0,250,154) + medium_turquoise = 0x48D1CC, // rgb(72,209,204) + medium_violet_red = 0xC71585, // rgb(199,21,133) + midnight_blue = 0x191970, // rgb(25,25,112) + mint_cream = 0xF5FFFA, // rgb(245,255,250) + misty_rose = 0xFFE4E1, // rgb(255,228,225) + moccasin = 0xFFE4B5, // rgb(255,228,181) + navajo_white = 0xFFDEAD, // rgb(255,222,173) + navy = 0x000080, // rgb(0,0,128) + old_lace = 0xFDF5E6, // rgb(253,245,230) + olive = 0x808000, // rgb(128,128,0) + olive_drab = 0x6B8E23, // rgb(107,142,35) + orange = 0xFFA500, // rgb(255,165,0) + orange_red = 0xFF4500, // rgb(255,69,0) + orchid = 0xDA70D6, // rgb(218,112,214) + pale_golden_rod = 0xEEE8AA, // rgb(238,232,170) + pale_green = 0x98FB98, // rgb(152,251,152) + pale_turquoise = 0xAFEEEE, // rgb(175,238,238) + pale_violet_red = 0xDB7093, // rgb(219,112,147) + papaya_whip = 0xFFEFD5, // rgb(255,239,213) + peach_puff = 0xFFDAB9, // rgb(255,218,185) + peru = 0xCD853F, // rgb(205,133,63) + pink = 0xFFC0CB, // rgb(255,192,203) + plum = 0xDDA0DD, // rgb(221,160,221) + powder_blue = 0xB0E0E6, // rgb(176,224,230) + purple = 0x800080, // rgb(128,0,128) + rebecca_purple = 0x663399, // rgb(102,51,153) + red = 0xFF0000, // rgb(255,0,0) + rosy_brown = 0xBC8F8F, // rgb(188,143,143) + royal_blue = 0x4169E1, // rgb(65,105,225) + saddle_brown = 0x8B4513, // rgb(139,69,19) + salmon = 0xFA8072, // rgb(250,128,114) + sandy_brown = 0xF4A460, // rgb(244,164,96) + sea_green = 0x2E8B57, // rgb(46,139,87) + sea_shell = 0xFFF5EE, // rgb(255,245,238) + sienna = 0xA0522D, // rgb(160,82,45) + silver = 0xC0C0C0, // rgb(192,192,192) + sky_blue = 0x87CEEB, // rgb(135,206,235) + slate_blue = 0x6A5ACD, // rgb(106,90,205) + slate_gray = 0x708090, // rgb(112,128,144) + snow = 0xFFFAFA, // rgb(255,250,250) + spring_green = 0x00FF7F, // rgb(0,255,127) + steel_blue = 0x4682B4, // rgb(70,130,180) + tan = 0xD2B48C, // rgb(210,180,140) + teal = 0x008080, // rgb(0,128,128) + thistle = 0xD8BFD8, // rgb(216,191,216) + tomato = 0xFF6347, // rgb(255,99,71) + turquoise = 0x40E0D0, // rgb(64,224,208) + violet = 0xEE82EE, // rgb(238,130,238) + wheat = 0xF5DEB3, // rgb(245,222,179) + white = 0xFFFFFF, // rgb(255,255,255) + white_smoke = 0xF5F5F5, // rgb(245,245,245) + yellow = 0xFFFF00, // rgb(255,255,0) + yellow_green = 0x9ACD32 // rgb(154,205,50) +}; // enum class color + +enum class terminal_color : uint8_t { + black = 30, + red, + green, + yellow, + blue, + magenta, + cyan, + white, + bright_black = 90, + bright_red, + bright_green, + bright_yellow, + bright_blue, + bright_magenta, + bright_cyan, + bright_white +}; + +enum class emphasis : uint8_t { + bold = 1, + italic = 1 << 1, + underline = 1 << 2, + strikethrough = 1 << 3 +}; + +// rgb is a struct for red, green and blue colors. +// Using the name "rgb" makes some editors show the color in a tooltip. +struct rgb { + FMT_CONSTEXPR rgb() : r(0), g(0), b(0) {} + FMT_CONSTEXPR rgb(uint8_t r_, uint8_t g_, uint8_t b_) : r(r_), g(g_), b(b_) {} + FMT_CONSTEXPR rgb(uint32_t hex) + : r((hex >> 16) & 0xFF), g((hex >> 8) & 0xFF), b(hex & 0xFF) {} + FMT_CONSTEXPR rgb(color hex) + : r((uint32_t(hex) >> 16) & 0xFF), + g((uint32_t(hex) >> 8) & 0xFF), + b(uint32_t(hex) & 0xFF) {} + uint8_t r; + uint8_t g; + uint8_t b; +}; + +namespace detail { + +// color is a struct of either a rgb color or a terminal color. +struct color_type { + FMT_CONSTEXPR color_type() FMT_NOEXCEPT : is_rgb(), value{} {} + FMT_CONSTEXPR color_type(color rgb_color) FMT_NOEXCEPT : is_rgb(true), + value{} { + value.rgb_color = static_cast(rgb_color); + } + FMT_CONSTEXPR color_type(rgb rgb_color) FMT_NOEXCEPT : is_rgb(true), value{} { + value.rgb_color = (static_cast(rgb_color.r) << 16) | + (static_cast(rgb_color.g) << 8) | rgb_color.b; + } + FMT_CONSTEXPR color_type(terminal_color term_color) FMT_NOEXCEPT : is_rgb(), + value{} { + value.term_color = static_cast(term_color); + } + bool is_rgb; + union color_union { + uint8_t term_color; + uint32_t rgb_color; + } value; +}; +} // namespace detail + +// Experimental text formatting support. +class text_style { + public: + FMT_CONSTEXPR text_style(emphasis em = emphasis()) FMT_NOEXCEPT + : set_foreground_color(), + set_background_color(), + ems(em) {} + + FMT_CONSTEXPR text_style& operator|=(const text_style& rhs) { + if (!set_foreground_color) { + set_foreground_color = rhs.set_foreground_color; + foreground_color = rhs.foreground_color; + } else if (rhs.set_foreground_color) { + if (!foreground_color.is_rgb || !rhs.foreground_color.is_rgb) + FMT_THROW(format_error("can't OR a terminal color")); + foreground_color.value.rgb_color |= rhs.foreground_color.value.rgb_color; + } + + if (!set_background_color) { + set_background_color = rhs.set_background_color; + background_color = rhs.background_color; + } else if (rhs.set_background_color) { + if (!background_color.is_rgb || !rhs.background_color.is_rgb) + FMT_THROW(format_error("can't OR a terminal color")); + background_color.value.rgb_color |= rhs.background_color.value.rgb_color; + } + + ems = static_cast(static_cast(ems) | + static_cast(rhs.ems)); + return *this; + } + + friend FMT_CONSTEXPR text_style operator|(text_style lhs, + const text_style& rhs) { + return lhs |= rhs; + } + + FMT_CONSTEXPR text_style& operator&=(const text_style& rhs) { + if (!set_foreground_color) { + set_foreground_color = rhs.set_foreground_color; + foreground_color = rhs.foreground_color; + } else if (rhs.set_foreground_color) { + if (!foreground_color.is_rgb || !rhs.foreground_color.is_rgb) + FMT_THROW(format_error("can't AND a terminal color")); + foreground_color.value.rgb_color &= rhs.foreground_color.value.rgb_color; + } + + if (!set_background_color) { + set_background_color = rhs.set_background_color; + background_color = rhs.background_color; + } else if (rhs.set_background_color) { + if (!background_color.is_rgb || !rhs.background_color.is_rgb) + FMT_THROW(format_error("can't AND a terminal color")); + background_color.value.rgb_color &= rhs.background_color.value.rgb_color; + } + + ems = static_cast(static_cast(ems) & + static_cast(rhs.ems)); + return *this; + } + + friend FMT_CONSTEXPR text_style operator&(text_style lhs, + const text_style& rhs) { + return lhs &= rhs; + } + + FMT_CONSTEXPR bool has_foreground() const FMT_NOEXCEPT { + return set_foreground_color; + } + FMT_CONSTEXPR bool has_background() const FMT_NOEXCEPT { + return set_background_color; + } + FMT_CONSTEXPR bool has_emphasis() const FMT_NOEXCEPT { + return static_cast(ems) != 0; + } + FMT_CONSTEXPR detail::color_type get_foreground() const FMT_NOEXCEPT { + FMT_ASSERT(has_foreground(), "no foreground specified for this style"); + return foreground_color; + } + FMT_CONSTEXPR detail::color_type get_background() const FMT_NOEXCEPT { + FMT_ASSERT(has_background(), "no background specified for this style"); + return background_color; + } + FMT_CONSTEXPR emphasis get_emphasis() const FMT_NOEXCEPT { + FMT_ASSERT(has_emphasis(), "no emphasis specified for this style"); + return ems; + } + + private: + FMT_CONSTEXPR text_style(bool is_foreground, + detail::color_type text_color) FMT_NOEXCEPT + : set_foreground_color(), + set_background_color(), + ems() { + if (is_foreground) { + foreground_color = text_color; + set_foreground_color = true; + } else { + background_color = text_color; + set_background_color = true; + } + } + + friend FMT_CONSTEXPR_DECL text_style fg(detail::color_type foreground) + FMT_NOEXCEPT; + friend FMT_CONSTEXPR_DECL text_style bg(detail::color_type background) + FMT_NOEXCEPT; + + detail::color_type foreground_color; + detail::color_type background_color; + bool set_foreground_color; + bool set_background_color; + emphasis ems; +}; + +FMT_CONSTEXPR text_style fg(detail::color_type foreground) FMT_NOEXCEPT { + return text_style(/*is_foreground=*/true, foreground); +} + +FMT_CONSTEXPR text_style bg(detail::color_type background) FMT_NOEXCEPT { + return text_style(/*is_foreground=*/false, background); +} + +FMT_CONSTEXPR text_style operator|(emphasis lhs, emphasis rhs) FMT_NOEXCEPT { + return text_style(lhs) | rhs; +} + +namespace detail { + +template struct ansi_color_escape { + FMT_CONSTEXPR ansi_color_escape(detail::color_type text_color, + const char* esc) FMT_NOEXCEPT { + // If we have a terminal color, we need to output another escape code + // sequence. + if (!text_color.is_rgb) { + bool is_background = esc == detail::data::background_color; + uint32_t value = text_color.value.term_color; + // Background ASCII codes are the same as the foreground ones but with + // 10 more. + if (is_background) value += 10u; + + size_t index = 0; + buffer[index++] = static_cast('\x1b'); + buffer[index++] = static_cast('['); + + if (value >= 100u) { + buffer[index++] = static_cast('1'); + value %= 100u; + } + buffer[index++] = static_cast('0' + value / 10u); + buffer[index++] = static_cast('0' + value % 10u); + + buffer[index++] = static_cast('m'); + buffer[index++] = static_cast('\0'); + return; + } + + for (int i = 0; i < 7; i++) { + buffer[i] = static_cast(esc[i]); + } + rgb color(text_color.value.rgb_color); + to_esc(color.r, buffer + 7, ';'); + to_esc(color.g, buffer + 11, ';'); + to_esc(color.b, buffer + 15, 'm'); + buffer[19] = static_cast(0); + } + FMT_CONSTEXPR ansi_color_escape(emphasis em) FMT_NOEXCEPT { + uint8_t em_codes[4] = {}; + uint8_t em_bits = static_cast(em); + if (em_bits & static_cast(emphasis::bold)) em_codes[0] = 1; + if (em_bits & static_cast(emphasis::italic)) em_codes[1] = 3; + if (em_bits & static_cast(emphasis::underline)) em_codes[2] = 4; + if (em_bits & static_cast(emphasis::strikethrough)) + em_codes[3] = 9; + + size_t index = 0; + for (int i = 0; i < 4; ++i) { + if (!em_codes[i]) continue; + buffer[index++] = static_cast('\x1b'); + buffer[index++] = static_cast('['); + buffer[index++] = static_cast('0' + em_codes[i]); + buffer[index++] = static_cast('m'); + } + buffer[index++] = static_cast(0); + } + FMT_CONSTEXPR operator const Char*() const FMT_NOEXCEPT { return buffer; } + + FMT_CONSTEXPR const Char* begin() const FMT_NOEXCEPT { return buffer; } + FMT_CONSTEXPR const Char* end() const FMT_NOEXCEPT { + return buffer + std::char_traits::length(buffer); + } + + private: + Char buffer[7u + 3u * 4u + 1u]; + + static FMT_CONSTEXPR void to_esc(uint8_t c, Char* out, + char delimiter) FMT_NOEXCEPT { + out[0] = static_cast('0' + c / 100); + out[1] = static_cast('0' + c / 10 % 10); + out[2] = static_cast('0' + c % 10); + out[3] = static_cast(delimiter); + } +}; + +template +FMT_CONSTEXPR ansi_color_escape make_foreground_color( + detail::color_type foreground) FMT_NOEXCEPT { + return ansi_color_escape(foreground, detail::data::foreground_color); +} + +template +FMT_CONSTEXPR ansi_color_escape make_background_color( + detail::color_type background) FMT_NOEXCEPT { + return ansi_color_escape(background, detail::data::background_color); +} + +template +FMT_CONSTEXPR ansi_color_escape make_emphasis(emphasis em) FMT_NOEXCEPT { + return ansi_color_escape(em); +} + +template +inline void fputs(const Char* chars, FILE* stream) FMT_NOEXCEPT { + std::fputs(chars, stream); +} + +template <> +inline void fputs(const wchar_t* chars, FILE* stream) FMT_NOEXCEPT { + std::fputws(chars, stream); +} + +template inline void reset_color(FILE* stream) FMT_NOEXCEPT { + fputs(detail::data::reset_color, stream); +} + +template <> inline void reset_color(FILE* stream) FMT_NOEXCEPT { + fputs(detail::data::wreset_color, stream); +} + +template +inline void reset_color(buffer& buffer) FMT_NOEXCEPT { + const char* begin = data::reset_color; + const char* end = begin + sizeof(data::reset_color) - 1; + buffer.append(begin, end); +} + +template +void vformat_to(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); +} +} // namespace detail + +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, to_string_view(format), args); + buf.push_back(Char(0)); + detail::fputs(buf.data(), f); +} + +/** + \rst + Formats a string and prints it to the specified file stream using ANSI + escape sequences to specify text formatting. + + **Example**:: + + fmt::print(fmt::emphasis::bold | fg(fmt::color::red), + "Elapsed time: {0:.2f} seconds", 1.23); + \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_args_checked(format_str, args...)); +} + +/** + Formats a string and prints it to stdout using ANSI escape sequences to + specify text formatting. + Example: + fmt::print(fmt::emphasis::bold | fg(fmt::color::red), + "Elapsed time: {0:.2f} seconds", 1.23); + */ +template ::value)> +void print(const text_style& ts, const S& format_str, const Args&... args) { + return print(stdout, ts, format_str, args...); +} + +template > +inline std::basic_string vformat( + const text_style& ts, const S& format_str, + basic_format_args>> args) { + basic_memory_buffer buf; + detail::vformat_to(buf, ts, to_string_view(format_str), args); + return fmt::to_string(buf); +} + +/** + \rst + Formats arguments and returns the result as a string using ANSI + escape sequences to specify text formatting. + + **Example**:: + + #include + std::string message = fmt::format(fmt::emphasis::bold | fg(fmt::color::red), + "The answer is {}", 42); + \endrst +*/ +template > +inline std::basic_string format(const text_style& ts, const S& format_str, + const Args&... args) { + return vformat(ts, to_string_view(format_str), + fmt::make_args_checked(format_str, args...)); +} + +/** + Formats a string with the given text_style and writes the output to ``out``. + */ +template ::value)> +OutputIt vformat_to( + OutputIt out, const text_style& ts, basic_string_view format_str, + basic_format_args>> args) { + decltype(detail::get_buffer(out)) buf(detail::get_buffer_init(out)); + detail::vformat_to(buf, ts, format_str, args); + return detail::get_iterator(buf); +} + +/** + \rst + Formats arguments with the given text_style, writes the result to the output + iterator ``out`` and returns the iterator past the end of the output range. + + **Example**:: + + std::vector out; + fmt::format_to(std::back_inserter(out), + 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) -> + typename std::enable_if::type { + return vformat_to(out, ts, to_string_view(format_str), + fmt::make_args_checked(format_str, args...)); +} + +FMT_END_NAMESPACE + +#endif // FMT_COLOR_H_ diff --git a/NorthstarDedicatedTest/include/spdlog/fmt/bundled/compile.h b/NorthstarDedicatedTest/include/spdlog/fmt/bundled/compile.h new file mode 100644 index 00000000..3a33b020 --- /dev/null +++ b/NorthstarDedicatedTest/include/spdlog/fmt/bundled/compile.h @@ -0,0 +1,701 @@ +// Formatting library for C++ - experimental format string compilation +// +// Copyright (c) 2012 - present, Victor Zverovich and fmt contributors +// All rights reserved. +// +// For the license information refer to format.h. + +#ifndef FMT_COMPILE_H_ +#define FMT_COMPILE_H_ + +#include + +#include "format.h" + +FMT_BEGIN_NAMESPACE +namespace detail { + +// A compile-time string which is compiled into fast formatting code. +class compiled_string {}; + +template +struct is_compiled_string : std::is_base_of {}; + +/** + \rst + Converts a string literal *s* into a format string that will be parsed at + compile time and converted into efficient formatting code. Requires C++17 + ``constexpr if`` compiler support. + + **Example**:: + + // Converts 42 into std::string using the most efficient method and no + // runtime format string processing. + std::string s = fmt::format(FMT_COMPILE("{}"), 42); + \endrst + */ +#define FMT_COMPILE(s) FMT_STRING_IMPL(s, fmt::detail::compiled_string) + +template +const T& first(const T& value, const Tail&...) { + return value; +} + +// Part of a compiled format string. It can be either literal text or a +// replacement field. +template struct format_part { + enum class kind { arg_index, arg_name, text, replacement }; + + struct replacement { + arg_ref arg_id; + dynamic_format_specs specs; + }; + + kind part_kind; + union value { + int arg_index; + basic_string_view str; + replacement repl; + + FMT_CONSTEXPR value(int index = 0) : arg_index(index) {} + FMT_CONSTEXPR value(basic_string_view s) : str(s) {} + FMT_CONSTEXPR value(replacement r) : repl(r) {} + } val; + // Position past the end of the argument id. + const Char* arg_id_end = nullptr; + + FMT_CONSTEXPR format_part(kind k = kind::arg_index, value v = {}) + : part_kind(k), val(v) {} + + static FMT_CONSTEXPR format_part make_arg_index(int index) { + return format_part(kind::arg_index, index); + } + static FMT_CONSTEXPR format_part make_arg_name(basic_string_view name) { + return format_part(kind::arg_name, name); + } + static FMT_CONSTEXPR format_part make_text(basic_string_view text) { + return format_part(kind::text, text); + } + static FMT_CONSTEXPR format_part make_replacement(replacement repl) { + return format_part(kind::replacement, repl); + } +}; + +template struct part_counter { + unsigned num_parts = 0; + + FMT_CONSTEXPR void on_text(const Char* begin, const Char* end) { + if (begin != end) ++num_parts; + } + + FMT_CONSTEXPR int on_arg_id() { return ++num_parts, 0; } + FMT_CONSTEXPR int on_arg_id(int) { return ++num_parts, 0; } + FMT_CONSTEXPR int on_arg_id(basic_string_view) { + return ++num_parts, 0; + } + + FMT_CONSTEXPR void on_replacement_field(int, const Char*) {} + + FMT_CONSTEXPR const Char* on_format_specs(int, const Char* begin, + const Char* end) { + // Find the matching brace. + unsigned brace_counter = 0; + for (; begin != end; ++begin) { + if (*begin == '{') { + ++brace_counter; + } else if (*begin == '}') { + if (brace_counter == 0u) break; + --brace_counter; + } + } + return begin; + } + + FMT_CONSTEXPR void on_error(const char*) {} +}; + +// Counts the number of parts in a format string. +template +FMT_CONSTEXPR unsigned count_parts(basic_string_view format_str) { + part_counter counter; + parse_format_string(format_str, counter); + return counter.num_parts; +} + +template +class format_string_compiler : public error_handler { + private: + using part = format_part; + + PartHandler handler_; + part part_; + basic_string_view format_str_; + basic_format_parse_context parse_context_; + + public: + FMT_CONSTEXPR format_string_compiler(basic_string_view format_str, + PartHandler handler) + : handler_(handler), + format_str_(format_str), + parse_context_(format_str) {} + + FMT_CONSTEXPR void on_text(const Char* begin, const Char* end) { + if (begin != end) + handler_(part::make_text({begin, to_unsigned(end - begin)})); + } + + FMT_CONSTEXPR int on_arg_id() { + part_ = part::make_arg_index(parse_context_.next_arg_id()); + return 0; + } + + FMT_CONSTEXPR int on_arg_id(int id) { + parse_context_.check_arg_id(id); + part_ = part::make_arg_index(id); + return 0; + } + + FMT_CONSTEXPR int on_arg_id(basic_string_view id) { + part_ = part::make_arg_name(id); + return 0; + } + + FMT_CONSTEXPR void on_replacement_field(int, const Char* ptr) { + part_.arg_id_end = ptr; + handler_(part_); + } + + FMT_CONSTEXPR const Char* on_format_specs(int, const Char* begin, + const Char* end) { + auto repl = typename part::replacement(); + dynamic_specs_handler> handler( + repl.specs, parse_context_); + auto it = parse_format_specs(begin, end, handler); + if (*it != '}') on_error("missing '}' in format string"); + repl.arg_id = part_.part_kind == part::kind::arg_index + ? arg_ref(part_.val.arg_index) + : arg_ref(part_.val.str); + auto part = part::make_replacement(repl); + part.arg_id_end = begin; + handler_(part); + return it; + } +}; + +// Compiles a format string and invokes handler(part) for each parsed part. +template +FMT_CONSTEXPR void compile_format_string(basic_string_view format_str, + PartHandler handler) { + parse_format_string( + format_str, + format_string_compiler(format_str, handler)); +} + +template +void format_arg( + basic_format_parse_context& parse_ctx, + Context& ctx, Id arg_id) { + ctx.advance_to(visit_format_arg( + arg_formatter(ctx, &parse_ctx), + ctx.arg(arg_id))); +} + +// vformat_to is defined in a subnamespace to prevent ADL. +namespace cf { +template +auto vformat_to(OutputIt out, CompiledFormat& cf, + basic_format_args args) -> typename Context::iterator { + using char_type = typename Context::char_type; + basic_format_parse_context parse_ctx( + to_string_view(cf.format_str_)); + Context ctx(out, args); + + const auto& parts = cf.parts(); + for (auto part_it = std::begin(parts); part_it != std::end(parts); + ++part_it) { + const auto& part = *part_it; + const auto& value = part.val; + + using format_part_t = format_part; + switch (part.part_kind) { + case format_part_t::kind::text: { + const auto text = value.str; + auto output = ctx.out(); + auto&& it = reserve(output, text.size()); + it = std::copy_n(text.begin(), text.size(), it); + ctx.advance_to(output); + break; + } + + case format_part_t::kind::arg_index: + advance_to(parse_ctx, part.arg_id_end); + detail::format_arg(parse_ctx, ctx, value.arg_index); + break; + + case format_part_t::kind::arg_name: + advance_to(parse_ctx, part.arg_id_end); + detail::format_arg(parse_ctx, ctx, value.str); + break; + + case format_part_t::kind::replacement: { + const auto& arg_id_value = value.repl.arg_id.val; + const auto arg = value.repl.arg_id.kind == arg_id_kind::index + ? ctx.arg(arg_id_value.index) + : ctx.arg(arg_id_value.name); + + auto specs = value.repl.specs; + + handle_dynamic_spec(specs.width, specs.width_ref, ctx); + handle_dynamic_spec(specs.precision, + specs.precision_ref, ctx); + + error_handler h; + numeric_specs_checker checker(h, arg.type()); + if (specs.align == align::numeric) checker.require_numeric_argument(); + if (specs.sign != sign::none) checker.check_sign(); + if (specs.alt) checker.require_numeric_argument(); + if (specs.precision >= 0) checker.check_precision(); + + advance_to(parse_ctx, part.arg_id_end); + ctx.advance_to( + visit_format_arg(arg_formatter( + ctx, nullptr, &specs), + arg)); + break; + } + } + } + return ctx.out(); +} +} // namespace cf + +struct basic_compiled_format {}; + +template +struct compiled_format_base : basic_compiled_format { + using char_type = char_t; + using parts_container = std::vector>; + + parts_container compiled_parts; + + explicit compiled_format_base(basic_string_view format_str) { + compile_format_string(format_str, + [this](const format_part& part) { + compiled_parts.push_back(part); + }); + } + + const parts_container& parts() const { return compiled_parts; } +}; + +template struct format_part_array { + format_part data[N] = {}; + FMT_CONSTEXPR format_part_array() = default; +}; + +template +FMT_CONSTEXPR format_part_array compile_to_parts( + basic_string_view format_str) { + format_part_array parts; + unsigned counter = 0; + // This is not a lambda for compatibility with older compilers. + struct { + format_part* parts; + unsigned* counter; + FMT_CONSTEXPR void operator()(const format_part& part) { + parts[(*counter)++] = part; + } + } collector{parts.data, &counter}; + compile_format_string(format_str, collector); + if (counter < N) { + parts.data[counter] = + format_part::make_text(basic_string_view()); + } + return parts; +} + +template constexpr const T& constexpr_max(const T& a, const T& b) { + return (a < b) ? b : a; +} + +template +struct compiled_format_base::value>> + : basic_compiled_format { + using char_type = char_t; + + FMT_CONSTEXPR explicit compiled_format_base(basic_string_view) {} + +// Workaround for old compilers. Format string compilation will not be +// performed there anyway. +#if FMT_USE_CONSTEXPR + static FMT_CONSTEXPR_DECL const unsigned num_format_parts = + constexpr_max(count_parts(to_string_view(S())), 1u); +#else + static const unsigned num_format_parts = 1; +#endif + + using parts_container = format_part[num_format_parts]; + + const parts_container& parts() const { + static FMT_CONSTEXPR_DECL const auto compiled_parts = + compile_to_parts( + detail::to_string_view(S())); + return compiled_parts.data; + } +}; + +template +class compiled_format : private compiled_format_base { + public: + using typename compiled_format_base::char_type; + + private: + basic_string_view format_str_; + + template + friend auto cf::vformat_to(OutputIt out, CompiledFormat& cf, + basic_format_args args) -> + typename Context::iterator; + + public: + compiled_format() = delete; + explicit constexpr compiled_format(basic_string_view format_str) + : compiled_format_base(format_str), format_str_(format_str) {} +}; + +#ifdef __cpp_if_constexpr +template struct type_list {}; + +// Returns a reference to the argument at index N from [first, rest...]. +template +constexpr const auto& get([[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 get(rest...); +} + +template struct get_type_impl; + +template struct get_type_impl> { + using type = remove_cvref_t(std::declval()...))>; +}; + +template +using get_type = typename get_type_impl::type; + +template struct is_compiled_format : std::false_type {}; + +template struct text { + basic_string_view data; + using char_type = Char; + + template + OutputIt format(OutputIt out, const Args&...) const { + return write(out, data); + } +}; + +template +struct is_compiled_format> : std::true_type {}; + +template +constexpr text make_text(basic_string_view s, size_t pos, + size_t size) { + return {{&s[pos], size}}; +} + +template struct code_unit { + Char value; + using char_type = Char; + + template + OutputIt format(OutputIt out, const Args&...) const { + return write(out, value); + } +}; + +template +struct is_compiled_format> : std::true_type {}; + +// A replacement field that refers to argument N. +template struct field { + using char_type = Char; + + template + OutputIt format(OutputIt out, const Args&... args) const { + // This ensures that the argument type is convertile to `const T&`. + const T& arg = get(args...); + return write(out, arg); + } +}; + +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; + mutable formatter fmt; + + template + OutputIt format(OutputIt out, const Args&... args) const { + // This ensures that the argument type is convertile to `const T&`. + const T& arg = get(args...); + const auto& vargs = + make_format_args>(args...); + basic_format_context ctx(out, vargs); + return fmt.format(arg, ctx); + } +}; + +template +struct is_compiled_format> : std::true_type {}; + +template struct concat { + L lhs; + R rhs; + using char_type = typename L::char_type; + + template + OutputIt format(OutputIt out, const Args&... args) const { + out = lhs.format(out, args...); + return rhs.format(out, args...); + } +}; + +template +struct is_compiled_format> : std::true_type {}; + +template +constexpr concat make_concat(L lhs, R rhs) { + return {lhs, rhs}; +} + +struct unknown_format {}; + +template +constexpr size_t parse_text(basic_string_view str, size_t pos) { + for (size_t size = str.size(); pos != size; ++pos) { + if (str[pos] == '{' || str[pos] == '}') break; + } + return pos; +} + +template +constexpr auto compile_format_string(S format_str); + +template +constexpr auto parse_tail(T head, S format_str) { + if constexpr (POS != + 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 +constexpr parse_specs_result parse_specs(basic_string_view str, + size_t pos, int arg_id) { + str.remove_prefix(pos); + auto ctx = basic_format_parse_context(str, {}, arg_id + 1); + auto f = formatter(); + auto end = f.parse(ctx); + return {f, pos + (end - str.data()) + 1, ctx.next_arg_id()}; +} + +// Compiles a non-empty format string and returns the compiled representation +// or unknown_format() on unrecognized input. +template +constexpr auto compile_format_string(S format_str) { + using char_type = typename S::char_type; + constexpr basic_string_view str = format_str; + if constexpr (str[POS] == '{') { + if (POS + 1 == str.size()) + throw format_error("unmatched '{' in format string"); + if constexpr (str[POS + 1] == '{') { + return parse_tail(make_text(str, POS, 1), format_str); + } else if constexpr (str[POS + 1] == '}') { + using type = get_type; + return parse_tail(field(), + format_str); + } else if constexpr (str[POS + 1] == ':') { + using type = get_type; + constexpr auto result = parse_specs(str, POS + 2, ID); + return parse_tail( + spec_field{result.fmt}, format_str); + } else { + return unknown_format(); + } + } else if constexpr (str[POS] == '}') { + if (POS + 1 == str.size()) + throw format_error("unmatched '}' in format string"); + return parse_tail(make_text(str, POS, 1), format_str); + } else { + constexpr auto end = parse_text(str, POS + 1); + 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 || + detail::is_compiled_string::value)> +constexpr auto compile(S format_str) { + constexpr basic_string_view str = 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); + if constexpr (std::is_same, + detail::unknown_format>()) { + return detail::compiled_format(to_string_view(format_str)); + } else { + return result; + } + } +} +#else +template ::value)> +constexpr auto compile(S format_str) -> detail::compiled_format { + return detail::compiled_format(to_string_view(format_str)); +} +#endif // __cpp_if_constexpr + +// Compiles the format string which must be a string literal. +template +auto compile(const Char (&format_str)[N]) + -> detail::compiled_format { + return detail::compiled_format( + basic_string_view(format_str, N - 1)); +} +} // namespace detail + +// DEPRECATED! use FMT_COMPILE instead. +template +FMT_DEPRECATED auto compile(const Args&... args) + -> decltype(detail::compile(args...)) { + return detail::compile(args...); +} + +#if FMT_USE_CONSTEXPR +# ifdef __cpp_if_constexpr + +template ::value)> +FMT_INLINE std::basic_string format(const CompiledFormat& cf, + const Args&... args) { + basic_memory_buffer buffer; + cf.format(detail::buffer_appender(buffer), args...); + return to_string(buffer); +} + +template ::value)> +OutputIt format_to(OutputIt out, const CompiledFormat& cf, + const Args&... args) { + return cf.format(out, args...); +} +# endif // __cpp_if_constexpr +#endif // FMT_USE_CONSTEXPR + +template ::value)> +std::basic_string format(const CompiledFormat& cf, const Args&... args) { + basic_memory_buffer buffer; + using context = buffer_context; + detail::cf::vformat_to(detail::buffer_appender(buffer), cf, + make_format_args(args...)); + return to_string(buffer); +} + +template ::value)> +FMT_INLINE std::basic_string format(const S&, + Args&&... args) { +#ifdef __cpp_if_constexpr + if constexpr (std::is_same::value) { + constexpr basic_string_view str = S(); + if (str.size() == 2 && str[0] == '{' && str[1] == '}') + return fmt::to_string(detail::first(args...)); + } +#endif + constexpr auto compiled = detail::compile(S()); + return format(compiled, std::forward(args)...); +} + +template ::value)> +OutputIt format_to(OutputIt out, const CompiledFormat& cf, + const Args&... args) { + using char_type = typename CompiledFormat::char_type; + using context = format_context_t; + return detail::cf::vformat_to(out, cf, + make_format_args(args...)); +} + +template ::value)> +OutputIt format_to(OutputIt out, const S&, const Args&... args) { + constexpr auto compiled = detail::compile(S()); + return format_to(out, compiled, args...); +} + +template +auto format_to_n(OutputIt out, size_t n, const CompiledFormat& cf, + const Args&... args) -> + typename std::enable_if< + detail::is_output_iterator::value && + std::is_base_of::value, + format_to_n_result>::type { + auto it = + format_to(detail::truncating_iterator(out, n), cf, args...); + return {it.base(), it.count()}; +} + +template ::value)> +format_to_n_result format_to_n(OutputIt out, size_t n, const S&, + const Args&... args) { + constexpr auto compiled = detail::compile(S()); + auto it = format_to(detail::truncating_iterator(out, n), compiled, + args...); + return {it.base(), it.count()}; +} + +template +size_t formatted_size(const CompiledFormat& cf, const Args&... args) { + return format_to(detail::counting_iterator(), cf, args...).count(); +} + +FMT_END_NAMESPACE + +#endif // FMT_COMPILE_H_ diff --git a/NorthstarDedicatedTest/include/spdlog/fmt/bundled/core.h b/NorthstarDedicatedTest/include/spdlog/fmt/bundled/core.h new file mode 100644 index 00000000..0a81e0cc --- /dev/null +++ b/NorthstarDedicatedTest/include/spdlog/fmt/bundled/core.h @@ -0,0 +1,2122 @@ +// Formatting library for C++ - the core API +// +// Copyright (c) 2012 - present, Victor Zverovich +// All rights reserved. +// +// For the license information refer to format.h. + +#ifndef FMT_CORE_H_ +#define FMT_CORE_H_ + +#include // std::FILE +#include +#include +#include +#include +#include +#include +#include + +// The fmt library version in the form major * 10000 + minor * 100 + patch. +#define FMT_VERSION 70103 + +#ifdef __clang__ +# define FMT_CLANG_VERSION (__clang_major__ * 100 + __clang_minor__) +#else +# define FMT_CLANG_VERSION 0 +#endif + +#if defined(__GNUC__) && !defined(__clang__) +# define FMT_GCC_VERSION (__GNUC__ * 100 + __GNUC_MINOR__) +#else +# define FMT_GCC_VERSION 0 +#endif + +#if defined(__INTEL_COMPILER) +# define FMT_ICC_VERSION __INTEL_COMPILER +#else +# define FMT_ICC_VERSION 0 +#endif + +#if __cplusplus >= 201103L || defined(__GXX_EXPERIMENTAL_CXX0X__) +# define FMT_HAS_GXX_CXX11 FMT_GCC_VERSION +#else +# define FMT_HAS_GXX_CXX11 0 +#endif + +#ifdef __NVCC__ +# define FMT_NVCC __NVCC__ +#else +# define FMT_NVCC 0 +#endif + +#ifdef _MSC_VER +# define FMT_MSC_VER _MSC_VER +# define FMT_SUPPRESS_MSC_WARNING(n) __pragma(warning(suppress : n)) +#else +# define FMT_MSC_VER 0 +# define FMT_SUPPRESS_MSC_WARNING(n) +#endif + +#ifdef __has_feature +# define FMT_HAS_FEATURE(x) __has_feature(x) +#else +# define FMT_HAS_FEATURE(x) 0 +#endif + +#if defined(__has_include) && !defined(__INTELLISENSE__) && \ + (!FMT_ICC_VERSION || FMT_ICC_VERSION >= 1600) +# define FMT_HAS_INCLUDE(x) __has_include(x) +#else +# define FMT_HAS_INCLUDE(x) 0 +#endif + +#ifdef __has_cpp_attribute +# define FMT_HAS_CPP_ATTRIBUTE(x) __has_cpp_attribute(x) +#else +# define FMT_HAS_CPP_ATTRIBUTE(x) 0 +#endif + +#define FMT_HAS_CPP14_ATTRIBUTE(attribute) \ + (__cplusplus >= 201402L && FMT_HAS_CPP_ATTRIBUTE(attribute)) + +#define FMT_HAS_CPP17_ATTRIBUTE(attribute) \ + (__cplusplus >= 201703L && FMT_HAS_CPP_ATTRIBUTE(attribute)) + +// Check if relaxed C++14 constexpr is supported. +// GCC doesn't allow throw in constexpr until version 6 (bug 67371). +#ifndef FMT_USE_CONSTEXPR +# define FMT_USE_CONSTEXPR \ + (FMT_HAS_FEATURE(cxx_relaxed_constexpr) || FMT_MSC_VER >= 1910 || \ + (FMT_GCC_VERSION >= 600 && __cplusplus >= 201402L)) && \ + !FMT_NVCC && !FMT_ICC_VERSION +#endif +#if FMT_USE_CONSTEXPR +# define FMT_CONSTEXPR constexpr +# define FMT_CONSTEXPR_DECL constexpr +#else +# define FMT_CONSTEXPR inline +# define FMT_CONSTEXPR_DECL +#endif + +#ifndef FMT_OVERRIDE +# if FMT_HAS_FEATURE(cxx_override_control) || \ + (FMT_GCC_VERSION >= 408 && FMT_HAS_GXX_CXX11) || FMT_MSC_VER >= 1900 +# define FMT_OVERRIDE override +# else +# define FMT_OVERRIDE +# endif +#endif + +// Check if exceptions are disabled. +#ifndef FMT_EXCEPTIONS +# if (defined(__GNUC__) && !defined(__EXCEPTIONS)) || \ + FMT_MSC_VER && !_HAS_EXCEPTIONS +# define FMT_EXCEPTIONS 0 +# else +# define FMT_EXCEPTIONS 1 +# endif +#endif + +// Define FMT_USE_NOEXCEPT to make fmt use noexcept (C++11 feature). +#ifndef FMT_USE_NOEXCEPT +# define FMT_USE_NOEXCEPT 0 +#endif + +#if FMT_USE_NOEXCEPT || FMT_HAS_FEATURE(cxx_noexcept) || \ + (FMT_GCC_VERSION >= 408 && FMT_HAS_GXX_CXX11) || FMT_MSC_VER >= 1900 +# define FMT_DETECTED_NOEXCEPT noexcept +# define FMT_HAS_CXX11_NOEXCEPT 1 +#else +# define FMT_DETECTED_NOEXCEPT throw() +# define FMT_HAS_CXX11_NOEXCEPT 0 +#endif + +#ifndef FMT_NOEXCEPT +# if FMT_EXCEPTIONS || FMT_HAS_CXX11_NOEXCEPT +# define FMT_NOEXCEPT FMT_DETECTED_NOEXCEPT +# else +# define FMT_NOEXCEPT +# endif +#endif + +// [[noreturn]] is disabled on MSVC and NVCC because of bogus unreachable code +// warnings. +#if FMT_EXCEPTIONS && FMT_HAS_CPP_ATTRIBUTE(noreturn) && !FMT_MSC_VER && \ + !FMT_NVCC +# define FMT_NORETURN [[noreturn]] +#else +# define FMT_NORETURN +#endif + +#ifndef FMT_DEPRECATED +# if FMT_HAS_CPP14_ATTRIBUTE(deprecated) || FMT_MSC_VER >= 1900 +# define FMT_DEPRECATED [[deprecated]] +# else +# if (defined(__GNUC__) && !defined(__LCC__)) || defined(__clang__) +# define FMT_DEPRECATED __attribute__((deprecated)) +# elif FMT_MSC_VER +# define FMT_DEPRECATED __declspec(deprecated) +# else +# define FMT_DEPRECATED /* deprecated */ +# endif +# endif +#endif + +// Workaround broken [[deprecated]] in the Intel, PGI and NVCC compilers. +#if FMT_ICC_VERSION || defined(__PGI) || FMT_NVCC +# define FMT_DEPRECATED_ALIAS +#else +# define FMT_DEPRECATED_ALIAS FMT_DEPRECATED +#endif + +#ifndef FMT_INLINE +# if FMT_GCC_VERSION || FMT_CLANG_VERSION +# define FMT_INLINE inline __attribute__((always_inline)) +# else +# define FMT_INLINE inline +# endif +#endif + +#ifndef FMT_USE_INLINE_NAMESPACES +# if FMT_HAS_FEATURE(cxx_inline_namespaces) || FMT_GCC_VERSION >= 404 || \ + (FMT_MSC_VER >= 1900 && !_MANAGED) +# define FMT_USE_INLINE_NAMESPACES 1 +# else +# define FMT_USE_INLINE_NAMESPACES 0 +# endif +#endif + +#ifndef FMT_BEGIN_NAMESPACE +# if FMT_USE_INLINE_NAMESPACES +# define FMT_INLINE_NAMESPACE inline namespace +# define FMT_END_NAMESPACE \ + } \ + } +# else +# define FMT_INLINE_NAMESPACE namespace +# define FMT_END_NAMESPACE \ + } \ + using namespace v7; \ + } +# endif +# define FMT_BEGIN_NAMESPACE \ + namespace fmt { \ + FMT_INLINE_NAMESPACE v7 { +#endif + +#if !defined(FMT_HEADER_ONLY) && defined(_WIN32) +# define FMT_CLASS_API FMT_SUPPRESS_MSC_WARNING(4275) +# ifdef FMT_EXPORT +# define FMT_API __declspec(dllexport) +# define FMT_EXTERN_TEMPLATE_API FMT_API +# define FMT_EXPORTED +# elif defined(FMT_SHARED) +# define FMT_API __declspec(dllimport) +# define FMT_EXTERN_TEMPLATE_API FMT_API +# endif +#else +# define FMT_CLASS_API +#endif +#ifndef FMT_API +# define FMT_API +#endif +#ifndef FMT_EXTERN_TEMPLATE_API +# define FMT_EXTERN_TEMPLATE_API +#endif +#ifndef FMT_INSTANTIATION_DEF_API +# define FMT_INSTANTIATION_DEF_API FMT_API +#endif + +#ifndef FMT_HEADER_ONLY +# define FMT_EXTERN extern +#else +# define FMT_EXTERN +#endif + +// libc++ supports string_view in pre-c++17. +#if (FMT_HAS_INCLUDE() && \ + (__cplusplus > 201402L || defined(_LIBCPP_VERSION))) || \ + (defined(_MSVC_LANG) && _MSVC_LANG > 201402L && _MSC_VER >= 1910) +# include +# define FMT_USE_STRING_VIEW +#elif FMT_HAS_INCLUDE("experimental/string_view") && __cplusplus >= 201402L +# include +# define FMT_USE_EXPERIMENTAL_STRING_VIEW +#endif + +#ifndef FMT_UNICODE +# define FMT_UNICODE !FMT_MSC_VER +#endif +#if FMT_UNICODE && FMT_MSC_VER +# pragma execution_character_set("utf-8") +#endif + +FMT_BEGIN_NAMESPACE + +// Implementations of enable_if_t and other metafunctions for older systems. +template +using enable_if_t = typename std::enable_if::type; +template +using conditional_t = typename std::conditional::type; +template using bool_constant = std::integral_constant; +template +using remove_reference_t = typename std::remove_reference::type; +template +using remove_const_t = typename std::remove_const::type; +template +using remove_cvref_t = typename std::remove_cv>::type; +template struct type_identity { using type = T; }; +template using type_identity_t = typename type_identity::type; + +struct monostate {}; + +// An enable_if helper to be used in template parameters which results in much +// shorter symbols: https://godbolt.org/z/sWw4vP. Extra parentheses are needed +// to workaround a bug in MSVC 2019 (see #1140 and #1186). +#define FMT_ENABLE_IF(...) enable_if_t<(__VA_ARGS__), int> = 0 + +namespace detail { + +// A helper function to suppress "conditional expression is constant" warnings. +template constexpr T const_check(T value) { return value; } + +FMT_NORETURN FMT_API void assert_fail(const char* file, int line, + const char* message); + +#ifndef FMT_ASSERT +# ifdef NDEBUG +// FMT_ASSERT is not empty to avoid -Werror=empty-body. +# define FMT_ASSERT(condition, message) ((void)0) +# else +# define FMT_ASSERT(condition, message) \ + ((condition) /* void() fails with -Winvalid-constexpr on clang 4.0.1 */ \ + ? (void)0 \ + : ::fmt::detail::assert_fail(__FILE__, __LINE__, (message))) +# endif +#endif + +#if defined(FMT_USE_STRING_VIEW) +template using std_string_view = std::basic_string_view; +#elif defined(FMT_USE_EXPERIMENTAL_STRING_VIEW) +template +using std_string_view = std::experimental::basic_string_view; +#else +template struct std_string_view {}; +#endif + +#ifdef FMT_USE_INT128 +// Do nothing. +#elif defined(__SIZEOF_INT128__) && !FMT_NVCC && \ + !(FMT_CLANG_VERSION && FMT_MSC_VER) +# define FMT_USE_INT128 1 +using int128_t = __int128_t; +using uint128_t = __uint128_t; +#else +# define FMT_USE_INT128 0 +#endif +#if !FMT_USE_INT128 +struct int128_t {}; +struct uint128_t {}; +#endif + +// Casts a nonnegative integer to unsigned. +template +FMT_CONSTEXPR typename std::make_unsigned::type to_unsigned(Int value) { + FMT_ASSERT(value >= 0, "negative value"); + return static_cast::type>(value); +} + +FMT_SUPPRESS_MSC_WARNING(4566) constexpr unsigned char micro[] = "\u00B5"; + +template constexpr bool is_unicode() { + return FMT_UNICODE || sizeof(Char) != 1 || + (sizeof(micro) == 3 && micro[0] == 0xC2 && micro[1] == 0xB5); +} + +#ifdef __cpp_char8_t +using char8_type = char8_t; +#else +enum char8_type : unsigned char {}; +#endif +} // namespace detail + +#ifdef FMT_USE_INTERNAL +namespace internal = detail; // DEPRECATED +#endif + +/** + An implementation of ``std::basic_string_view`` for pre-C++17. It provides a + subset of the API. ``fmt::basic_string_view`` is used for format strings even + if ``std::string_view`` is available to prevent issues when a library is + compiled with a different ``-std`` option than the client code (which is not + recommended). + */ +template class basic_string_view { + private: + const Char* data_; + size_t size_; + + public: + using value_type = Char; + using iterator = const Char*; + + constexpr basic_string_view() FMT_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) FMT_NOEXCEPT + : data_(s), + size_(count) {} + + /** + \rst + Constructs a string reference object from a C string computing + the size with ``std::char_traits::length``. + \endrst + */ +#if __cplusplus >= 201703L // C++17's char_traits::length() is constexpr. + FMT_CONSTEXPR +#endif + basic_string_view(const Char* s) + : data_(s), size_(std::char_traits::length(s)) {} + + /** Constructs a string reference from a ``std::basic_string`` object. */ + template + FMT_CONSTEXPR basic_string_view( + const std::basic_string& s) FMT_NOEXCEPT + : data_(s.data()), + size_(s.size()) {} + + template >::value)> + FMT_CONSTEXPR basic_string_view(S s) FMT_NOEXCEPT : data_(s.data()), + size_(s.size()) {} + + /** Returns a pointer to the string data. */ + constexpr const Char* data() const { return data_; } + + /** Returns the string size. */ + constexpr size_t size() const { return size_; } + + constexpr iterator begin() const { return data_; } + constexpr iterator end() const { return data_ + size_; } + + constexpr const Char& operator[](size_t pos) const { return data_[pos]; } + + FMT_CONSTEXPR void remove_prefix(size_t n) { + data_ += n; + size_ -= n; + } + + // Lexicographically compare this string reference to other. + int compare(basic_string_view other) const { + size_t str_size = size_ < other.size_ ? size_ : other.size_; + int result = std::char_traits::compare(data_, other.data_, str_size); + if (result == 0) + result = size_ == other.size_ ? 0 : (size_ < other.size_ ? -1 : 1); + return result; + } + + friend bool operator==(basic_string_view lhs, basic_string_view rhs) { + return lhs.compare(rhs) == 0; + } + friend bool operator!=(basic_string_view lhs, basic_string_view rhs) { + return lhs.compare(rhs) != 0; + } + friend bool operator<(basic_string_view lhs, basic_string_view rhs) { + return lhs.compare(rhs) < 0; + } + friend bool operator<=(basic_string_view lhs, basic_string_view rhs) { + return lhs.compare(rhs) <= 0; + } + friend bool operator>(basic_string_view lhs, basic_string_view rhs) { + return lhs.compare(rhs) > 0; + } + friend bool operator>=(basic_string_view lhs, basic_string_view rhs) { + return lhs.compare(rhs) >= 0; + } +}; + +using string_view = basic_string_view; +using wstring_view = basic_string_view; + +/** Specifies if ``T`` is a character type. Can be specialized by users. */ +template struct is_char : std::false_type {}; +template <> struct is_char : std::true_type {}; +template <> struct is_char : std::true_type {}; +template <> struct is_char : std::true_type {}; +template <> struct is_char : std::true_type {}; +template <> struct is_char : std::true_type {}; + +/** + \rst + Returns a string view of `s`. In order to add custom string type support to + {fmt} provide an overload of `to_string_view` for it in the same namespace as + the type for the argument-dependent lookup to work. + + **Example**:: + + namespace my_ns { + inline string_view to_string_view(const my_string& s) { + return {s.data(), s.length()}; + } + } + std::string message = fmt::format(my_string("The answer is {}"), 42); + \endrst + */ +template ::value)> +inline basic_string_view to_string_view(const Char* s) { + return s; +} + +template +inline basic_string_view to_string_view( + const std::basic_string& s) { + return s; +} + +template +inline basic_string_view to_string_view(basic_string_view s) { + return s; +} + +template >::value)> +inline basic_string_view to_string_view(detail::std_string_view s) { + return s; +} + +// A base class for compile-time strings. It is defined in the fmt namespace to +// make formatting functions visible via ADL, e.g. format(FMT_STRING("{}"), 42). +struct compile_string {}; + +template +struct is_compile_string : std::is_base_of {}; + +template ::value)> +constexpr basic_string_view to_string_view(const S& s) { + return s; +} + +namespace detail { +void to_string_view(...); +using fmt::v7::to_string_view; + +// Specifies whether S is a string type convertible to fmt::basic_string_view. +// It should be a constexpr function but MSVC 2017 fails to compile it in +// enable_if and MSVC 2015 fails to compile it as an alias template. +template +struct is_string : std::is_class()))> { +}; + +template struct char_t_impl {}; +template struct char_t_impl::value>> { + using result = decltype(to_string_view(std::declval())); + using type = typename result::value_type; +}; + +// Reports a compile-time error if S is not a valid format string. +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."); +#endif +} +template ::value)> +void check_format_string(S); + +struct error_handler { + 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 FMT_API void on_error(const char* message); +}; +} // namespace detail + +/** String's character type. */ +template using char_t = typename detail::char_t_impl::type; + +/** + \rst + Parsing context consisting of a format string range being parsed and an + argument counter for automatic indexing. + + You can use one of the following type aliases for common character types: + + +-----------------------+-------------------------------------+ + | Type | Definition | + +=======================+=====================================+ + | format_parse_context | basic_format_parse_context | + +-----------------------+-------------------------------------+ + | wformat_parse_context | basic_format_parse_context | + +-----------------------+-------------------------------------+ + \endrst + */ +template +class basic_format_parse_context : private ErrorHandler { + private: + basic_string_view format_str_; + int next_arg_id_; + + public: + using char_type = Char; + using iterator = typename basic_string_view::iterator; + + explicit 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 iterator begin() const FMT_NOEXCEPT { return format_str_.begin(); } + + /** + Returns an iterator past the end of the format string range being parsed. + */ + constexpr iterator end() const FMT_NOEXCEPT { return format_str_.end(); } + + /** Advances the begin iterator to ``it``. */ + FMT_CONSTEXPR void advance_to(iterator it) { + format_str_.remove_prefix(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 int next_arg_id() { + // Don't check if the argument id is valid to avoid overhead and because it + // will be checked during formatting anyway. + if (next_arg_id_ >= 0) return next_arg_id_++; + on_error("cannot switch from manual to automatic argument indexing"); + return 0; + } + + /** + Reports an error if using the automatic argument indexing; otherwise + switches to the manual indexing. + */ + FMT_CONSTEXPR void check_arg_id(int) { + if (next_arg_id_ > 0) + on_error("cannot switch from automatic to manual argument indexing"); + else + next_arg_id_ = -1; + } + + FMT_CONSTEXPR void check_arg_id(basic_string_view) {} + + FMT_CONSTEXPR void on_error(const char* message) { + ErrorHandler::on_error(message); + } + + constexpr ErrorHandler error_handler() const { return *this; } +}; + +using format_parse_context = basic_format_parse_context; +using wformat_parse_context = basic_format_parse_context; + +template class basic_format_arg; +template class basic_format_args; +template class dynamic_format_arg_store; + +// A formatter for objects of type T. +template +struct formatter { + // 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 +using has_formatter = + std::is_constructible>; + +// Checks whether T is a container with contiguous storage. +template struct is_contiguous : std::false_type {}; +template +struct is_contiguous> : std::true_type {}; + +namespace detail { + +// Extracts a reference to the container from back_insert_iterator. +template +inline Container& get_container(std::back_insert_iterator it) { + using bi_iterator = std::back_insert_iterator; + struct accessor : bi_iterator { + accessor(bi_iterator iter) : bi_iterator(iter) {} + using bi_iterator::container; + }; + return *accessor(it).container; +} + +/** + \rst + A contiguous memory buffer with an optional growing ability. It is an internal + 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_SUPPRESS_MSC_WARNING(26495) + buffer(size_t sz) FMT_NOEXCEPT : size_(sz), capacity_(sz) {} + + buffer(T* p = nullptr, size_t sz = 0, size_t cap = 0) FMT_NOEXCEPT + : ptr_(p), + size_(sz), + capacity_(cap) {} + + ~buffer() = default; + + /** Sets the buffer data and capacity. */ + void set(T* buf_data, size_t buf_capacity) FMT_NOEXCEPT { + ptr_ = buf_data; + capacity_ = buf_capacity; + } + + /** Increases the buffer capacity to hold at least *capacity* elements. */ + virtual void grow(size_t capacity) = 0; + + public: + using value_type = T; + using const_reference = const T&; + + buffer(const buffer&) = delete; + void operator=(const buffer&) = delete; + + T* begin() FMT_NOEXCEPT { return ptr_; } + T* end() FMT_NOEXCEPT { return ptr_ + size_; } + + const T* begin() const FMT_NOEXCEPT { return ptr_; } + const T* end() const FMT_NOEXCEPT { return ptr_ + size_; } + + /** Returns the size of this buffer. */ + size_t size() const FMT_NOEXCEPT { return size_; } + + /** Returns the capacity of this buffer. */ + size_t capacity() const FMT_NOEXCEPT { return capacity_; } + + /** Returns a pointer to the buffer data. */ + T* data() FMT_NOEXCEPT { return ptr_; } + + /** Returns a pointer to the buffer data. */ + const T* data() const FMT_NOEXCEPT { return ptr_; } + + /** 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. + 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. + void try_reserve(size_t new_capacity) { + if (new_capacity > capacity_) grow(new_capacity); + } + + 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 T& operator[](I index) { return ptr_[index]; } + template const T& operator[](I index) const { + return ptr_[index]; + } +}; + +struct buffer_traits { + explicit buffer_traits(size_t) {} + size_t count() const { return 0; } + size_t limit(size_t size) { return size; } +}; + +class fixed_buffer_traits { + private: + size_t count_ = 0; + size_t limit_; + + public: + explicit fixed_buffer_traits(size_t limit) : limit_(limit) {} + size_t count() const { return count_; } + size_t limit(size_t size) { + 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 +class iterator_buffer final : public Traits, public buffer { + private: + OutputIt out_; + enum { buffer_size = 256 }; + T data_[buffer_size]; + + protected: + void grow(size_t) final FMT_OVERRIDE { + if (this->size() == buffer_size) flush(); + } + void flush(); + + public: + explicit iterator_buffer(OutputIt out, size_t n = buffer_size) + : Traits(n), + buffer(data_, 0, buffer_size), + out_(out) {} + ~iterator_buffer() { flush(); } + + OutputIt out() { + flush(); + return out_; + } + size_t count() const { return Traits::count() + this->size(); } +}; + +template class iterator_buffer final : public buffer { + protected: + void grow(size_t) final FMT_OVERRIDE {} + + public: + explicit iterator_buffer(T* out, size_t = 0) : buffer(out, 0, ~size_t()) {} + + T* out() { return &*this->end(); } +}; + +// A buffer that writes to a container with the contiguous storage. +template +class iterator_buffer, + enable_if_t::value, + typename Container::value_type>> + final : public buffer { + private: + Container& container_; + + protected: + void grow(size_t capacity) final FMT_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)) {} + std::back_insert_iterator out() { + 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: + void grow(size_t) final FMT_OVERRIDE { + if (this->size() != buffer_size) return; + count_ += this->size(); + this->clear(); + } + + public: + counting_buffer() : buffer(data_, 0, buffer_size) {} + + size_t count() { return count_ + this->size(); } +}; + +// An output iterator that appends to the buffer. +// It is used to reduce symbol sizes for the common case. +template +class buffer_appender : public std::back_insert_iterator> { + using base = std::back_insert_iterator>; + + public: + explicit buffer_appender(buffer& buf) : base(buf) {} + buffer_appender(base it) : base(it) {} + + buffer_appender& operator++() { + base::operator++(); + return *this; + } + + buffer_appender operator++(int) { + buffer_appender tmp = *this; + ++*this; + return tmp; + } +}; + +// Maps an output iterator into a buffer. +template +iterator_buffer get_buffer(OutputIt); +template buffer& get_buffer(buffer_appender); + +template OutputIt get_buffer_init(OutputIt out) { + return out; +} +template buffer& get_buffer_init(buffer_appender out) { + return get_container(out); +} + +template +auto get_iterator(Buffer& buf) -> decltype(buf.out()) { + return buf.out(); +} +template buffer_appender get_iterator(buffer& buf) { + return buffer_appender(buf); +} + +template +struct fallback_formatter { + fallback_formatter() = delete; +}; + +// Specifies if T has an enabled fallback_formatter specialization. +template +using has_fallback_formatter = + std::is_constructible>; + +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_info { + const Char* name; + int id; +}; + +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; + const T* args() const { return args_ + 1; } + named_arg_info* named_args() { return named_args_; } +}; + +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_INLINE arg_data(const U&... init) : args_{init...} {} + FMT_INLINE const T* args() const { return args_; } + FMT_INLINE std::nullptr_t named_args() { return nullptr; } +}; + +template +inline void init_named_args(named_arg_info*, int, int) {} + +template +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 +void init_named_args(named_arg_info* named_args, int arg_count, + int named_arg_count, const named_arg& 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 +FMT_INLINE void init_named_args(std::nullptr_t, int, int, const Args&...) {} + +template struct is_named_arg : std::false_type {}; + +template +struct is_named_arg> : std::true_type {}; + +template constexpr size_t count() { return B ? 1 : 0; } +template constexpr size_t count() { + return (B1 ? 1 : 0) + count(); +} + +template constexpr size_t count_named_args() { + return count::value...>(); +} + +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 +}; + +// Maps core type T to the corresponding type enum constant. +template +struct type_constant : std::integral_constant {}; + +#define FMT_TYPE_CONSTANT(Type, constant) \ + template \ + struct type_constant \ + : std::integral_constant {} + +FMT_TYPE_CONSTANT(int, int_type); +FMT_TYPE_CONSTANT(unsigned, uint_type); +FMT_TYPE_CONSTANT(long long, long_long_type); +FMT_TYPE_CONSTANT(unsigned long long, ulong_long_type); +FMT_TYPE_CONSTANT(int128_t, int128_type); +FMT_TYPE_CONSTANT(uint128_t, uint128_type); +FMT_TYPE_CONSTANT(bool, bool_type); +FMT_TYPE_CONSTANT(Char, char_type); +FMT_TYPE_CONSTANT(float, float_type); +FMT_TYPE_CONSTANT(double, double_type); +FMT_TYPE_CONSTANT(long double, long_double_type); +FMT_TYPE_CONSTANT(const Char*, cstring_type); +FMT_TYPE_CONSTANT(basic_string_view, string_type); +FMT_TYPE_CONSTANT(const void*, pointer_type); + +constexpr bool is_integral_type(type t) { + 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; +} + +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 custom_value { + using parse_context = typename Context::parse_context_type; + const void* value; + void (*format)(const void* arg, parse_context& parse_ctx, Context& ctx); +}; + +// A formatting argument value. +template class value { + public: + using char_type = typename Context::char_type; + + union { + int int_value; + unsigned uint_value; + long long long_long_value; + unsigned long long ulong_long_value; + int128_t int128_value; + uint128_t uint128_value; + bool bool_value; + char_type char_value; + float float_value; + double double_value; + long double long_double_value; + const void* pointer; + string_value string; + custom_value custom; + named_arg_value named_args; + }; + + constexpr FMT_INLINE value(int val = 0) : int_value(val) {} + constexpr FMT_INLINE value(unsigned val) : uint_value(val) {} + FMT_INLINE value(long long val) : long_long_value(val) {} + FMT_INLINE value(unsigned long long val) : ulong_long_value(val) {} + FMT_INLINE value(int128_t val) : int128_value(val) {} + FMT_INLINE value(uint128_t val) : uint128_value(val) {} + FMT_INLINE value(float val) : float_value(val) {} + FMT_INLINE value(double val) : double_value(val) {} + FMT_INLINE value(long double val) : long_double_value(val) {} + FMT_INLINE value(bool val) : bool_value(val) {} + FMT_INLINE value(char_type val) : char_value(val) {} + FMT_INLINE value(const char_type* val) { string.data = val; } + 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_INLINE value(const T& val) { + custom.value = &val; + // Get the formatter type through the context to allow different contexts + // have different extension points, e.g. `formatter` for `format` and + // `printf_formatter` for `printf`. + custom.format = format_custom_arg< + T, conditional_t::value, + typename Context::template formatter_type, + fallback_formatter>>; + } + + private: + // Formats an argument of a custom type, such as a user-defined class. + template + static void format_custom_arg(const void* arg, + typename Context::parse_context_type& parse_ctx, + Context& ctx) { + Formatter f; + parse_ctx.advance_to(f.parse(parse_ctx)); + ctx.advance_to(f.format(*static_cast(arg), ctx)); + } +}; + +template +FMT_CONSTEXPR basic_format_arg make_arg(const T& value); + +// To minimize the number of types we need to deal with, long is translated +// either to int or to long long depending on its size. +enum { long_short = sizeof(long) == sizeof(int) }; +using long_type = conditional_t; +using ulong_type = conditional_t; + +struct unformattable {}; + +// Maps formatting arguments to core types. +template struct arg_mapper { + using char_type = typename Context::char_type; + + FMT_CONSTEXPR int map(signed char val) { return val; } + FMT_CONSTEXPR unsigned map(unsigned char val) { return val; } + FMT_CONSTEXPR int map(short val) { return val; } + FMT_CONSTEXPR unsigned map(unsigned short val) { return val; } + FMT_CONSTEXPR int map(int val) { return val; } + FMT_CONSTEXPR unsigned map(unsigned val) { return val; } + FMT_CONSTEXPR long_type map(long val) { return val; } + FMT_CONSTEXPR ulong_type map(unsigned long val) { return val; } + FMT_CONSTEXPR long long map(long long val) { return val; } + FMT_CONSTEXPR unsigned long long map(unsigned long long val) { return val; } + FMT_CONSTEXPR int128_t map(int128_t val) { return val; } + FMT_CONSTEXPR uint128_t map(uint128_t val) { return val; } + FMT_CONSTEXPR bool map(bool val) { return val; } + + template ::value)> + FMT_CONSTEXPR char_type map(T val) { + static_assert( + std::is_same::value || std::is_same::value, + "mixing character types is disallowed"); + return val; + } + + FMT_CONSTEXPR float map(float val) { return val; } + FMT_CONSTEXPR double map(double val) { return val; } + FMT_CONSTEXPR long double map(long double val) { return val; } + + FMT_CONSTEXPR const char_type* map(char_type* val) { return val; } + FMT_CONSTEXPR const char_type* map(const char_type* val) { return val; } + template ::value)> + FMT_CONSTEXPR basic_string_view map(const T& val) { + static_assert(std::is_same>::value, + "mixing character types is disallowed"); + return to_string_view(val); + } + template , T>::value && + !is_string::value && !has_formatter::value && + !has_fallback_formatter::value)> + FMT_CONSTEXPR basic_string_view map(const T& val) { + return basic_string_view(val); + } + template < + typename T, + FMT_ENABLE_IF( + std::is_constructible, T>::value && + !std::is_constructible, T>::value && + !is_string::value && !has_formatter::value && + !has_fallback_formatter::value)> + FMT_CONSTEXPR basic_string_view map(const T& val) { + return std_string_view(val); + } + FMT_CONSTEXPR const char* map(const signed char* val) { + static_assert(std::is_same::value, "invalid string type"); + return reinterpret_cast(val); + } + FMT_CONSTEXPR const char* map(const unsigned char* val) { + static_assert(std::is_same::value, "invalid string type"); + return reinterpret_cast(val); + } + FMT_CONSTEXPR const char* map(signed char* val) { + const auto* const_val = val; + return map(const_val); + } + FMT_CONSTEXPR const char* map(unsigned char* val) { + const auto* const_val = val; + return map(const_val); + } + + FMT_CONSTEXPR const void* map(void* val) { return val; } + FMT_CONSTEXPR const void* map(const void* val) { return val; } + FMT_CONSTEXPR const void* map(std::nullptr_t val) { return val; } + template FMT_CONSTEXPR int map(const T*) { + // Formatting of arbitrary pointers is disallowed. If you want to output + // a pointer cast it to "void *" or "const void *". In particular, this + // forbids formatting of "[const] volatile char *" which is printed as bool + // by iostreams. + static_assert(!sizeof(T), "formatting of non-void pointers is disallowed"); + return 0; + } + + template ::value && + !has_formatter::value && + !has_fallback_formatter::value)> + FMT_CONSTEXPR auto map(const T& val) + -> decltype(std::declval().map( + static_cast::type>(val))) { + return map(static_cast::type>(val)); + } + template ::value && !is_char::value && + (has_formatter::value || + has_fallback_formatter::value))> + FMT_CONSTEXPR const T& map(const T& val) { + return val; + } + + template + FMT_CONSTEXPR auto map(const named_arg& val) + -> decltype(std::declval().map(val.value)) { + return map(val.value); + } + + unformattable map(...) { 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 }; +} // namespace detail + +// 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 + friend FMT_CONSTEXPR basic_format_arg detail::make_arg( + const T& value); + + template + friend FMT_CONSTEXPR auto visit_format_arg(Visitor&& vis, + const basic_format_arg& arg) + -> decltype(vis(0)); + + friend class basic_format_args; + friend class dynamic_format_arg_store; + + using char_type = typename Context::char_type; + + template + friend struct detail::arg_data; + + 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) {} + + void format(typename Context::parse_context_type& parse_ctx, + Context& ctx) const { + custom_.format(custom_.value, parse_ctx, ctx); + } + + private: + detail::custom_value custom_; + }; + + constexpr basic_format_arg() : type_(detail::type::none_type) {} + + constexpr explicit operator bool() const FMT_NOEXCEPT { + return type_ != detail::type::none_type; + } + + detail::type type() const { return type_; } + + bool is_integral() const { return detail::is_integral_type(type_); } + bool is_arithmetic() const { return detail::is_arithmetic_type(type_); } +}; + +/** + \rst + Visits an argument dispatching to the appropriate visit method based on + the argument type. For example, if the argument type is ``double`` then + ``vis(value)`` will be called with the value of type ``double``. + \endrst + */ +template +FMT_CONSTEXPR_DECL FMT_INLINE auto visit_format_arg( + Visitor&& vis, const basic_format_arg& arg) -> decltype(vis(0)) { + using char_type = typename Context::char_type; + switch (arg.type_) { + case 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); +#if FMT_USE_INT128 + case detail::type::int128_type: + return vis(arg.value_.int128_value); + case detail::type::uint128_type: + return vis(arg.value_.uint128_value); +#else + case detail::type::int128_type: + case detail::type::uint128_type: + break; +#endif + 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: + return vis(basic_string_view(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()); +} + +template struct formattable : std::false_type {}; + +namespace detail { + +// A workaround for gcc 4.8 to make void_t work in a SFINAE context. +template struct void_t_impl { using type = void; }; +template +using void_t = typename detail::void_t_impl::type; + +template +struct is_output_iterator : std::false_type {}; + +template +struct is_output_iterator< + It, T, + void_t::iterator_category, + decltype(*std::declval() = std::declval())>> + : std::true_type {}; + +template +struct is_back_insert_iterator : std::false_type {}; +template +struct is_back_insert_iterator> + : std::true_type {}; + +template +struct is_contiguous_back_insert_iterator : std::false_type {}; +template +struct is_contiguous_back_insert_iterator> + : is_contiguous {}; +template +struct is_contiguous_back_insert_iterator> + : std::true_type {}; + +// A type-erased reference to an std::locale to avoid heavy include. +class locale_ref { + private: + const void* locale_; // A type-erased pointer to std::locale. + + public: + locale_ref() : locale_(nullptr) {} + template explicit locale_ref(const Locale& loc); + + explicit operator bool() const FMT_NOEXCEPT { return locale_ != nullptr; } + + template Locale get() const; +}; + +template constexpr unsigned long long encode_types() { return 0; } + +template +constexpr unsigned long long encode_types() { + return static_cast(mapped_type_constant::value) | + (encode_types() << packed_arg_bits); +} + +template +FMT_CONSTEXPR basic_format_arg make_arg(const T& value) { + basic_format_arg arg; + arg.type_ = mapped_type_constant::value; + arg.value_ = arg_mapper().map(value); + return arg; +} + +template int check(unformattable) { + static_assert( + formattable(), + "Cannot format an argument. To make type T formattable provide a " + "formatter specialization: https://fmt.dev/latest/api.html#udt"); + return 0; +} +template inline const U& check(const U& val) { + return val; +} + +// 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 +inline value make_arg(const T& val) { + return check(arg_mapper().map(val)); +} + +template +inline basic_format_arg make_arg(const T& value) { + return make_arg(value); +} + +template struct is_reference_wrapper : std::false_type {}; +template +struct is_reference_wrapper> : std::true_type {}; + +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; + } +}; +} // namespace detail + +// 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(const basic_format_context&) = delete; + void operator=(const basic_format_context&) = delete; + /** + Constructs a ``basic_format_context`` object. References to the arguments are + stored in the object so make sure they have appropriate lifetimes. + */ + basic_format_context(OutputIt out, + basic_format_args ctx_args, + detail::locale_ref loc = detail::locale_ref()) + : out_(out), args_(ctx_args), loc_(loc) {} + + format_arg arg(int id) const { return args_.get(id); } + format_arg arg(basic_string_view name) { return args_.get(name); } + int arg_id(basic_string_view name) { return args_.get_id(name); } + const basic_format_args& args() const { return args_; } + + detail::error_handler error_handler() { return {}; } + void on_error(const char* message) { error_handler().on_error(message); } + + // Returns an iterator to the beginning of the output range. + iterator out() { return out_; } + + // Advances the begin iterator to ``it``. + void advance_to(iterator it) { + if (!detail::is_back_insert_iterator()) out_ = it; + } + + detail::locale_ref locale() { return loc_; } +}; + +template +using buffer_context = + basic_format_context, Char>; +using format_context = buffer_context; +using wformat_context = buffer_context; + +// Workaround an alias issue: https://stackoverflow.com/q/62767544/471164. +#define FMT_BUFFER_CONTEXT(Char) \ + basic_format_context, Char> + +/** + \rst + An array of references to arguments. It can be implicitly converted into + `~fmt::basic_format_args` for passing into type-erased formatting functions + such as `~fmt::vformat`. + \endrst + */ +template +class format_arg_store +#if FMT_GCC_VERSION && FMT_GCC_VERSION < 409 + // Workaround a GCC template argument substitution bug. + : public basic_format_args +#endif +{ + private: + static const size_t num_args = sizeof...(Args); + static const 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: + format_arg_store(const Args&... 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::value>(args)...} { + detail::init_named_args(data_.named_args(), 0, 0, args...); + } +}; + +/** + \rst + Constructs a `~fmt::format_arg_store` object that contains references to + arguments and can be implicitly converted to `~fmt::format_args`. `Context` + can be omitted in which case it defaults to `~fmt::context`. + See `~fmt::arg` for lifetime considerations. + \endrst + */ +template +inline format_arg_store make_format_args( + const Args&... args) { + return {args...}; +} + +/** + \rst + Constructs a `~fmt::format_arg_store` object that contains references + to arguments and can be implicitly converted to `~fmt::format_args`. + If ``format_str`` is a compile-time string then `make_args_checked` checks + its validity at compile time. + \endrst + */ +template > +inline auto make_args_checked(const S& format_str, + const remove_reference_t&... args) + -> format_arg_store, remove_reference_t...> { + static_assert( + detail::count<( + std::is_base_of>::value && + std::is_reference::value)...>() == 0, + "passing views as lvalues is disallowed"); + detail::check_format_string(format_str); + return {args...}; +} + +/** + \rst + Returns a named argument to be used in a formatting function. It should only + be used in a call to a formatting function. + + **Example**:: + + fmt::print("Elapsed time: {s:.2f} seconds", fmt::arg("s", 1.23)); + \endrst + */ +template +inline detail::named_arg arg(const Char* name, const T& arg) { + static_assert(!detail::is_named_arg(), "nested named arguments"); + return {name, arg}; +} + +/** + \rst + A dynamic version of `fmt::format_arg_store`. + It's equipped with a storage to potentially temporary objects which lifetimes + could be shorter than the format arguments object. + + It can be implicitly converted into `~fmt::basic_format_args` for passing + into type-erased formatting functions such as `~fmt::vformat`. + \endrst + */ +template +class dynamic_format_arg_store +#if FMT_GCC_VERSION && FMT_GCC_VERSION < 409 + // Workaround a GCC template argument substitution bug. + : public basic_format_args +#endif +{ + private: + using char_type = typename Context::char_type; + + template struct need_copy { + static constexpr 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::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: + /** + \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. Supports named arguments wrapped in + ``std::reference_wrapper`` via ``std::ref()``/``std::cref()``. + + **Example**:: + + fmt::dynamic_format_arg_store store; + char str[] = "1234567890"; + store.push_back(std::cref(str)); + int a1_val{42}; + auto a1 = fmt::arg("a1_", a1_val); + store.push_back(std::cref(a1)); + + // Changing str affects the output but only for string and custom types. + str[0] = 'X'; + + std::string result = fmt::vformat("{} and {a1_}"); + assert(result == "X234567890 and 42"); + \endrst + */ + template void push_back(std::reference_wrapper arg) { + static_assert( + detail::is_named_arg::type>::value || + 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. + */ + 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); + } +}; + +/** + \rst + A view of a collection of formatting arguments. To avoid lifetime issues it + should only be used as a parameter type in type-erased functions such as + ``vformat``:: + + void vlog(string_view format_str, format_args args); // OK + format_args args = make_format_args(42); // Error: dangling reference + \endrst + */ +template class basic_format_args { + public: + using size_type = int; + using format_arg = basic_format_arg; + + private: + // 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_; + }; + + bool is_packed() const { return (desc_ & detail::is_unpacked_bit) == 0; } + bool has_named_args() const { + return (desc_ & detail::has_named_args_bit) != 0; + } + + detail::type type(int index) const { + int shift = index * detail::packed_arg_bits; + unsigned int mask = (1 << detail::packed_arg_bits) - 1; + return static_cast((desc_ >> shift) & mask); + } + + basic_format_args(unsigned long long desc, + const detail::value* values) + : desc_(desc), values_(values) {} + basic_format_args(unsigned long long desc, const format_arg* args) + : desc_(desc), args_(args) {} + + public: + basic_format_args() : desc_(0) {} + + /** + \rst + Constructs a `basic_format_args` object from `~fmt::format_arg_store`. + \endrst + */ + template + FMT_INLINE basic_format_args(const format_arg_store& store) + : basic_format_args(store.desc, store.data_.args()) {} + + /** + \rst + Constructs a `basic_format_args` object from + `~fmt::dynamic_format_arg_store`. + \endrst + */ + 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 + */ + 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. */ + format_arg get(int id) const { + 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 format_arg get(basic_string_view name) const { + int id = get_id(name); + return id >= 0 ? get(id) : format_arg(); + } + + template int get_id(basic_string_view name) const { + 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; + } + + int max_size() const { + unsigned long long max_packed = detail::max_packed_args; + return static_cast(is_packed() ? max_packed + : desc_ & ~detail::is_unpacked_bit); + } +}; + +#ifdef FMT_ARM_ABI_COMPATIBILITY +/** An alias to ``basic_format_args``. */ +// Separate types would result in shorter symbols but break ABI compatibility +// between clang and gcc on ARM (#1919). +using format_args = basic_format_args; +using wformat_args = basic_format_args; +#else +// DEPRECATED! These are kept for ABI compatibility. +// It is a separate type rather than an alias to make symbols readable. +struct format_args : basic_format_args { + template + FMT_INLINE format_args(const Args&... args) : basic_format_args(args...) {} +}; +struct wformat_args : basic_format_args { + using basic_format_args::basic_format_args; +}; +#endif + +namespace detail { + +template ::value)> +std::basic_string vformat( + basic_string_view format_str, + basic_format_args>> args); + +FMT_API std::string vformat(string_view format_str, format_args args); + +template +void vformat_to( + buffer& buf, basic_string_view format_str, + basic_format_args)> args, + detail::locale_ref loc = {}); + +template ::value)> +inline void vprint_mojibake(std::FILE*, basic_string_view, const Args&) {} + +FMT_API void vprint_mojibake(std::FILE*, string_view, format_args); +#ifndef _WIN32 +inline void vprint_mojibake(std::FILE*, string_view, format_args) {} +#endif +} // namespace detail + +/** Formats a string and writes the output to ``out``. */ +// GCC 8 and earlier cannot handle std::back_insert_iterator with +// vformat_to(...) overload, so SFINAE on iterator type instead. +template , + bool enable = detail::is_output_iterator::value> +auto vformat_to(OutputIt out, const S& format_str, + basic_format_args>> args) + -> typename std::enable_if::type { + decltype(detail::get_buffer(out)) buf(detail::get_buffer_init(out)); + detail::vformat_to(buf, to_string_view(format_str), args); + return detail::get_iterator(buf); +} + +/** + \rst + Formats arguments, writes the result to the output iterator ``out`` and returns + the iterator past the end of the output range. + + **Example**:: + + std::vector out; + fmt::format_to(std::back_inserter(out), "{}", 42); + \endrst + */ +// We cannot use FMT_ENABLE_IF because of a bug in gcc 8.3. +template >::value> +inline auto format_to(OutputIt out, const S& format_str, Args&&... args) -> + typename std::enable_if::type { + const auto& vargs = fmt::make_args_checked(format_str, args...); + return vformat_to(out, to_string_view(format_str), vargs); +} + +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)> +inline format_to_n_result vformat_to_n( + OutputIt out, size_t n, basic_string_view format_str, + basic_format_args>> args) { + detail::iterator_buffer buf(out, + n); + detail::vformat_to(buf, format_str, args); + return {buf.out(), buf.count()}; +} + +/** + \rst + Formats arguments, writes up to ``n`` characters of the result to the output + iterator ``out`` and returns the total output size and the iterator past the + end of the output range. + \endrst + */ +template >::value> +inline auto format_to_n(OutputIt out, size_t n, const S& format_str, + const Args&... args) -> + typename std::enable_if>::type { + const auto& vargs = fmt::make_args_checked(format_str, args...); + return vformat_to_n(out, n, to_string_view(format_str), vargs); +} + +/** + Returns the number of characters in the output of + ``format(format_str, args...)``. + */ +template +inline size_t formatted_size(string_view format_str, Args&&... args) { + const auto& vargs = fmt::make_args_checked(format_str, args...); + detail::counting_buffer<> buf; + detail::vformat_to(buf, format_str, vargs); + return buf.count(); +} + +template > +FMT_INLINE std::basic_string vformat( + const S& format_str, + basic_format_args>> args) { + return detail::vformat(to_string_view(format_str), args); +} + +/** + \rst + Formats arguments and returns the result as a string. + + **Example**:: + + #include + std::string message = fmt::format("The answer is {}", 42); + \endrst +*/ +// Pass char_t as a default template parameter instead of using +// std::basic_string> to reduce the symbol size. +template > +FMT_INLINE std::basic_string format(const S& format_str, Args&&... args) { + const auto& vargs = fmt::make_args_checked(format_str, args...); + return detail::vformat(to_string_view(format_str), vargs); +} + +FMT_API void vprint(string_view, format_args); +FMT_API void vprint(std::FILE*, string_view, format_args); + +/** + \rst + Formats ``args`` according to specifications in ``format_str`` and writes the + output to the file ``f``. Strings are assumed to be Unicode-encoded unless the + ``FMT_UNICODE`` macro is set to 0. + + **Example**:: + + fmt::print(stderr, "Don't {}!", "panic"); + \endrst + */ +template > +inline void print(std::FILE* f, const S& format_str, Args&&... args) { + const auto& vargs = fmt::make_args_checked(format_str, args...); + return detail::is_unicode() + ? vprint(f, to_string_view(format_str), vargs) + : detail::vprint_mojibake(f, to_string_view(format_str), vargs); +} + +/** + \rst + Formats ``args`` according to specifications in ``format_str`` and writes + the output to ``stdout``. Strings are assumed to be Unicode-encoded unless + the ``FMT_UNICODE`` macro is set to 0. + + **Example**:: + + fmt::print("Elapsed time: {0:.2f} seconds", 1.23); + \endrst + */ +template > +inline void print(const S& format_str, Args&&... args) { + const auto& vargs = fmt::make_args_checked(format_str, args...); + return detail::is_unicode() + ? vprint(to_string_view(format_str), vargs) + : detail::vprint_mojibake(stdout, to_string_view(format_str), + vargs); +} +FMT_END_NAMESPACE + +#endif // FMT_CORE_H_ diff --git a/NorthstarDedicatedTest/include/spdlog/fmt/bundled/format-inl.h b/NorthstarDedicatedTest/include/spdlog/fmt/bundled/format-inl.h new file mode 100644 index 00000000..8f2fe735 --- /dev/null +++ b/NorthstarDedicatedTest/include/spdlog/fmt/bundled/format-inl.h @@ -0,0 +1,2801 @@ +// Formatting library for C++ - implementation +// +// Copyright (c) 2012 - 2016, Victor Zverovich +// All rights reserved. +// +// For the license information refer to format.h. + +#ifndef FMT_FORMAT_INL_H_ +#define FMT_FORMAT_INL_H_ + +#include +#include +#include +#include +#include +#include // std::memmove +#include +#include + +#ifndef FMT_STATIC_THOUSANDS_SEPARATOR +# include +#endif + +#ifdef _WIN32 +# include // _isatty +#endif + +#include "format.h" + +// Dummy implementations of strerror_r and strerror_s called if corresponding +// system functions are not available. +inline fmt::detail::null<> strerror_r(int, char*, ...) { return {}; } +inline fmt::detail::null<> strerror_s(char*, size_t, ...) { return {}; } + +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(); +} + +#ifndef _MSC_VER +# define FMT_SNPRINTF snprintf +#else // _MSC_VER +inline int fmt_snprintf(char* buffer, size_t size, const char* format, ...) { + va_list args; + va_start(args, format); + int result = vsnprintf_s(buffer, size, _TRUNCATE, format, args); + va_end(args); + return result; +} +# define FMT_SNPRINTF fmt_snprintf +#endif // _MSC_VER + +// A portable thread-safe version of strerror. +// Sets buffer to point to a string describing the error code. +// This can be either a pointer to a string stored in buffer, +// or a pointer to some static immutable string. +// Returns one of the following values: +// 0 - success +// ERANGE - buffer is not large enough to store the error message +// other - failure +// Buffer should be at least of size 1. +inline int safe_strerror(int error_code, char*& buffer, + size_t buffer_size) FMT_NOEXCEPT { + FMT_ASSERT(buffer != nullptr && buffer_size != 0, "invalid buffer"); + + class dispatcher { + private: + int error_code_; + char*& buffer_; + size_t buffer_size_; + + // A noop assignment operator to avoid bogus warnings. + void operator=(const dispatcher&) {} + + // Handle the result of XSI-compliant version of strerror_r. + int handle(int result) { + // glibc versions before 2.13 return result in errno. + return result == -1 ? errno : result; + } + + // Handle the result of GNU-specific version of strerror_r. + FMT_MAYBE_UNUSED + int handle(char* message) { + // If the buffer is full then the message is probably truncated. + if (message == buffer_ && strlen(buffer_) == buffer_size_ - 1) + return ERANGE; + buffer_ = message; + return 0; + } + + // Handle the case when strerror_r is not available. + FMT_MAYBE_UNUSED + int handle(detail::null<>) { + return fallback(strerror_s(buffer_, buffer_size_, error_code_)); + } + + // Fallback to strerror_s when strerror_r is not available. + FMT_MAYBE_UNUSED + int fallback(int result) { + // If the buffer is full then the message is probably truncated. + return result == 0 && strlen(buffer_) == buffer_size_ - 1 ? ERANGE + : result; + } + +#if !FMT_MSC_VER + // Fallback to strerror if strerror_r and strerror_s are not available. + int fallback(detail::null<>) { + errno = 0; + buffer_ = strerror(error_code_); + return errno; + } +#endif + + public: + dispatcher(int err_code, char*& buf, size_t buf_size) + : error_code_(err_code), buffer_(buf), buffer_size_(buf_size) {} + + int run() { return handle(strerror_r(error_code_, buffer_, buffer_size_)); } + }; + return dispatcher(error_code, buffer, buffer_size).run(); +} + +FMT_FUNC void format_error_code(detail::buffer& out, int error_code, + string_view message) FMT_NOEXCEPT { + // Report error code making sure that the output fits into + // inline_buffer_size to avoid dynamic memory allocation and potential + // bad_alloc. + out.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, "{}{}", message, SEP); + format_to(it, "{}{}", ERROR_STR, error_code); + assert(out.size() <= inline_buffer_size); +} + +FMT_FUNC void report_error(format_func func, int error_code, + string_view message) FMT_NOEXCEPT { + memory_buffer full_message; + func(full_message, error_code, message); + // Don't use fwrite_fully because the latter may throw. + (void)std::fwrite(full_message.data(), full_message.size(), 1, stderr); + std::fputc('\n', stderr); +} + +// A wrapper around fwrite that throws on error. +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, "cannot write to file")); +} +} // namespace detail + +#if !defined(FMT_STATIC_THOUSANDS_SEPARATOR) +namespace detail { + +template +locale_ref::locale_ref(const Locale& loc) : locale_(&loc) { + static_assert(std::is_same::value, ""); +} + +template Locale locale_ref::get() const { + static_assert(std::is_same::value, ""); + return locale_ ? *static_cast(locale_) : std::locale(); +} + +template FMT_FUNC std::string grouping_impl(locale_ref loc) { + return std::use_facet>(loc.get()).grouping(); +} +template FMT_FUNC Char thousands_sep_impl(locale_ref loc) { + return std::use_facet>(loc.get()) + .thousands_sep(); +} +template FMT_FUNC Char decimal_point_impl(locale_ref loc) { + return std::use_facet>(loc.get()) + .decimal_point(); +} +} // namespace detail +#else +template +FMT_FUNC std::string detail::grouping_impl(locale_ref) { + return "\03"; +} +template FMT_FUNC Char detail::thousands_sep_impl(locale_ref) { + return FMT_STATIC_THOUSANDS_SEPARATOR; +} +template FMT_FUNC Char detail::decimal_point_impl(locale_ref) { + return '.'; +} +#endif + +FMT_API FMT_FUNC format_error::~format_error() FMT_NOEXCEPT = default; +FMT_API FMT_FUNC system_error::~system_error() FMT_NOEXCEPT = default; + +FMT_FUNC void system_error::init(int err_code, string_view format_str, + format_args args) { + error_code_ = err_code; + memory_buffer buffer; + format_system_error(buffer, err_code, vformat(format_str, args)); + std::runtime_error& base = *this; + base = std::runtime_error(to_string(buffer)); +} + +namespace detail { + +template <> FMT_FUNC int count_digits<4>(detail::fallback_uintptr n) { + // fallback_uintptr is always stored in little endian. + int i = static_cast(sizeof(void*)) - 1; + while (i > 0 && n.value[i] == 0) --i; + auto char_digits = std::numeric_limits::digits / 4; + return i >= 0 ? i * char_digits + count_digits<4, unsigned>(n.value[i]) : 1; +} + +template +const typename basic_data::digit_pair basic_data::digits[] = { + {'0', '0'}, {'0', '1'}, {'0', '2'}, {'0', '3'}, {'0', '4'}, {'0', '5'}, + {'0', '6'}, {'0', '7'}, {'0', '8'}, {'0', '9'}, {'1', '0'}, {'1', '1'}, + {'1', '2'}, {'1', '3'}, {'1', '4'}, {'1', '5'}, {'1', '6'}, {'1', '7'}, + {'1', '8'}, {'1', '9'}, {'2', '0'}, {'2', '1'}, {'2', '2'}, {'2', '3'}, + {'2', '4'}, {'2', '5'}, {'2', '6'}, {'2', '7'}, {'2', '8'}, {'2', '9'}, + {'3', '0'}, {'3', '1'}, {'3', '2'}, {'3', '3'}, {'3', '4'}, {'3', '5'}, + {'3', '6'}, {'3', '7'}, {'3', '8'}, {'3', '9'}, {'4', '0'}, {'4', '1'}, + {'4', '2'}, {'4', '3'}, {'4', '4'}, {'4', '5'}, {'4', '6'}, {'4', '7'}, + {'4', '8'}, {'4', '9'}, {'5', '0'}, {'5', '1'}, {'5', '2'}, {'5', '3'}, + {'5', '4'}, {'5', '5'}, {'5', '6'}, {'5', '7'}, {'5', '8'}, {'5', '9'}, + {'6', '0'}, {'6', '1'}, {'6', '2'}, {'6', '3'}, {'6', '4'}, {'6', '5'}, + {'6', '6'}, {'6', '7'}, {'6', '8'}, {'6', '9'}, {'7', '0'}, {'7', '1'}, + {'7', '2'}, {'7', '3'}, {'7', '4'}, {'7', '5'}, {'7', '6'}, {'7', '7'}, + {'7', '8'}, {'7', '9'}, {'8', '0'}, {'8', '1'}, {'8', '2'}, {'8', '3'}, + {'8', '4'}, {'8', '5'}, {'8', '6'}, {'8', '7'}, {'8', '8'}, {'8', '9'}, + {'9', '0'}, {'9', '1'}, {'9', '2'}, {'9', '3'}, {'9', '4'}, {'9', '5'}, + {'9', '6'}, {'9', '7'}, {'9', '8'}, {'9', '9'}}; + +template +const char basic_data::hex_digits[] = "0123456789abcdef"; + +#define FMT_POWERS_OF_10(factor) \ + factor * 10, (factor)*100, (factor)*1000, (factor)*10000, (factor)*100000, \ + (factor)*1000000, (factor)*10000000, (factor)*100000000, \ + (factor)*1000000000 + +template +const uint64_t basic_data::powers_of_10_64[] = { + 1, FMT_POWERS_OF_10(1), FMT_POWERS_OF_10(1000000000ULL), + 10000000000000000000ULL}; + +template +const uint32_t basic_data::zero_or_powers_of_10_32[] = {0, + FMT_POWERS_OF_10(1)}; +template +const uint64_t basic_data::zero_or_powers_of_10_64[] = { + 0, FMT_POWERS_OF_10(1), FMT_POWERS_OF_10(1000000000ULL), + 10000000000000000000ULL}; + +template +const uint32_t basic_data::zero_or_powers_of_10_32_new[] = { + 0, 0, FMT_POWERS_OF_10(1)}; + +template +const uint64_t basic_data::zero_or_powers_of_10_64_new[] = { + 0, 0, FMT_POWERS_OF_10(1), FMT_POWERS_OF_10(1000000000ULL), + 10000000000000000000ULL}; + +// Normalized 64-bit significands of pow(10, k), for k = -348, -340, ..., 340. +// These are generated by support/compute-powers.py. +template +const uint64_t basic_data::grisu_pow10_significands[] = { + 0xfa8fd5a0081c0288, 0xbaaee17fa23ebf76, 0x8b16fb203055ac76, + 0xcf42894a5dce35ea, 0x9a6bb0aa55653b2d, 0xe61acf033d1a45df, + 0xab70fe17c79ac6ca, 0xff77b1fcbebcdc4f, 0xbe5691ef416bd60c, + 0x8dd01fad907ffc3c, 0xd3515c2831559a83, 0x9d71ac8fada6c9b5, + 0xea9c227723ee8bcb, 0xaecc49914078536d, 0x823c12795db6ce57, + 0xc21094364dfb5637, 0x9096ea6f3848984f, 0xd77485cb25823ac7, + 0xa086cfcd97bf97f4, 0xef340a98172aace5, 0xb23867fb2a35b28e, + 0x84c8d4dfd2c63f3b, 0xc5dd44271ad3cdba, 0x936b9fcebb25c996, + 0xdbac6c247d62a584, 0xa3ab66580d5fdaf6, 0xf3e2f893dec3f126, + 0xb5b5ada8aaff80b8, 0x87625f056c7c4a8b, 0xc9bcff6034c13053, + 0x964e858c91ba2655, 0xdff9772470297ebd, 0xa6dfbd9fb8e5b88f, + 0xf8a95fcf88747d94, 0xb94470938fa89bcf, 0x8a08f0f8bf0f156b, + 0xcdb02555653131b6, 0x993fe2c6d07b7fac, 0xe45c10c42a2b3b06, + 0xaa242499697392d3, 0xfd87b5f28300ca0e, 0xbce5086492111aeb, + 0x8cbccc096f5088cc, 0xd1b71758e219652c, 0x9c40000000000000, + 0xe8d4a51000000000, 0xad78ebc5ac620000, 0x813f3978f8940984, + 0xc097ce7bc90715b3, 0x8f7e32ce7bea5c70, 0xd5d238a4abe98068, + 0x9f4f2726179a2245, 0xed63a231d4c4fb27, 0xb0de65388cc8ada8, + 0x83c7088e1aab65db, 0xc45d1df942711d9a, 0x924d692ca61be758, + 0xda01ee641a708dea, 0xa26da3999aef774a, 0xf209787bb47d6b85, + 0xb454e4a179dd1877, 0x865b86925b9bc5c2, 0xc83553c5c8965d3d, + 0x952ab45cfa97a0b3, 0xde469fbd99a05fe3, 0xa59bc234db398c25, + 0xf6c69a72a3989f5c, 0xb7dcbf5354e9bece, 0x88fcf317f22241e2, + 0xcc20ce9bd35c78a5, 0x98165af37b2153df, 0xe2a0b5dc971f303a, + 0xa8d9d1535ce3b396, 0xfb9b7cd9a4a7443c, 0xbb764c4ca7a44410, + 0x8bab8eefb6409c1a, 0xd01fef10a657842c, 0x9b10a4e5e9913129, + 0xe7109bfba19c0c9d, 0xac2820d9623bf429, 0x80444b5e7aa7cf85, + 0xbf21e44003acdd2d, 0x8e679c2f5e44ff8f, 0xd433179d9c8cb841, + 0x9e19db92b4e31ba9, 0xeb96bf6ebadf77d9, 0xaf87023b9bf0ee6b, +}; + +// Binary exponents of pow(10, k), for k = -348, -340, ..., 340, corresponding +// to significands above. +template +const int16_t basic_data::grisu_pow10_exponents[] = { + -1220, -1193, -1166, -1140, -1113, -1087, -1060, -1034, -1007, -980, -954, + -927, -901, -874, -847, -821, -794, -768, -741, -715, -688, -661, + -635, -608, -582, -555, -529, -502, -475, -449, -422, -396, -369, + -343, -316, -289, -263, -236, -210, -183, -157, -130, -103, -77, + -50, -24, 3, 30, 56, 83, 109, 136, 162, 189, 216, + 242, 269, 295, 322, 348, 375, 402, 428, 455, 481, 508, + 534, 561, 588, 614, 641, 667, 694, 720, 747, 774, 800, + 827, 853, 880, 907, 933, 960, 986, 1013, 1039, 1066}; + +template +const divtest_table_entry basic_data::divtest_table_for_pow5_32[] = + {{0x00000001, 0xffffffff}, {0xcccccccd, 0x33333333}, + {0xc28f5c29, 0x0a3d70a3}, {0x26e978d5, 0x020c49ba}, + {0x3afb7e91, 0x0068db8b}, {0x0bcbe61d, 0x0014f8b5}, + {0x68c26139, 0x000431bd}, {0xae8d46a5, 0x0000d6bf}, + {0x22e90e21, 0x00002af3}, {0x3a2e9c6d, 0x00000897}, + {0x3ed61f49, 0x000001b7}}; + +template +const divtest_table_entry basic_data::divtest_table_for_pow5_64[] = + {{0x0000000000000001, 0xffffffffffffffff}, + {0xcccccccccccccccd, 0x3333333333333333}, + {0x8f5c28f5c28f5c29, 0x0a3d70a3d70a3d70}, + {0x1cac083126e978d5, 0x020c49ba5e353f7c}, + {0xd288ce703afb7e91, 0x0068db8bac710cb2}, + {0x5d4e8fb00bcbe61d, 0x0014f8b588e368f0}, + {0x790fb65668c26139, 0x000431bde82d7b63}, + {0xe5032477ae8d46a5, 0x0000d6bf94d5e57a}, + {0xc767074b22e90e21, 0x00002af31dc46118}, + {0x8e47ce423a2e9c6d, 0x0000089705f4136b}, + {0x4fa7f60d3ed61f49, 0x000001b7cdfd9d7b}, + {0x0fee64690c913975, 0x00000057f5ff85e5}, + {0x3662e0e1cf503eb1, 0x000000119799812d}, + {0xa47a2cf9f6433fbd, 0x0000000384b84d09}, + {0x54186f653140a659, 0x00000000b424dc35}, + {0x7738164770402145, 0x0000000024075f3d}, + {0xe4a4d1417cd9a041, 0x000000000734aca5}, + {0xc75429d9e5c5200d, 0x000000000170ef54}, + {0xc1773b91fac10669, 0x000000000049c977}, + {0x26b172506559ce15, 0x00000000000ec1e4}, + {0xd489e3a9addec2d1, 0x000000000002f394}, + {0x90e860bb892c8d5d, 0x000000000000971d}, + {0x502e79bf1b6f4f79, 0x0000000000001e39}, + {0xdcd618596be30fe5, 0x000000000000060b}}; + +template +const uint64_t basic_data::dragonbox_pow10_significands_64[] = { + 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, 0x813f3978f8940984, + 0xa18f07d736b90be5, 0xc9f2c9cd04674ede, 0xfc6f7c4045812296, + 0x9dc5ada82b70b59d, 0xc5371912364ce305, 0xf684df56c3e01bc6, + 0x9a130b963a6c115c, 0xc097ce7bc90715b3, 0xf0bdc21abb48db20, + 0x96769950b50d88f4, 0xbc143fa4e250eb31, 0xeb194f8e1ae525fd, + 0x92efd1b8d0cf37be, 0xb7abc627050305ad, 0xe596b7b0c643c719, + 0x8f7e32ce7bea5c6f, 0xb35dbf821ae4f38b, 0xe0352f62a19e306e}; + +template +const uint128_wrapper basic_data::dragonbox_pow10_significands_128[] = { +#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, 0x6405fa00e2ec94d5}, + {0x8b3c113c38f9f37e, 0xde83bc408dd3dd05}, + {0xae0b158b4738705e, 0x9624ab50b148d446}, + {0xd98ddaee19068c76, 0x3badd624dd9b0958}, + {0x87f8a8d4cfa417c9, 0xe54ca5d70a80e5d7}, + {0xa9f6d30a038d1dbc, 0x5e9fcf4ccd211f4d}, + {0xd47487cc8470652b, 0x7647c32000696720}, + {0x84c8d4dfd2c63f3b, 0x29ecd9f40041e074}, + {0xa5fb0a17c777cf09, 0xf468107100525891}, + {0xcf79cc9db955c2cc, 0x7182148d4066eeb5}, + {0x81ac1fe293d599bf, 0xc6f14cd848405531}, + {0xa21727db38cb002f, 0xb8ada00e5a506a7d}, + {0xca9cf1d206fdc03b, 0xa6d90811f0e4851d}, + {0xfd442e4688bd304a, 0x908f4a166d1da664}, + {0x9e4a9cec15763e2e, 0x9a598e4e043287ff}, + {0xc5dd44271ad3cdba, 0x40eff1e1853f29fe}, + {0xf7549530e188c128, 0xd12bee59e68ef47d}, + {0x9a94dd3e8cf578b9, 0x82bb74f8301958cf}, + {0xc13a148e3032d6e7, 0xe36a52363c1faf02}, + {0xf18899b1bc3f8ca1, 0xdc44e6c3cb279ac2}, + {0x96f5600f15a7b7e5, 0x29ab103a5ef8c0ba}, + {0xbcb2b812db11a5de, 0x7415d448f6b6f0e8}, + {0xebdf661791d60f56, 0x111b495b3464ad22}, + {0x936b9fcebb25c995, 0xcab10dd900beec35}, + {0xb84687c269ef3bfb, 0x3d5d514f40eea743}, + {0xe65829b3046b0afa, 0x0cb4a5a3112a5113}, + {0x8ff71a0fe2c2e6dc, 0x47f0e785eaba72ac}, + {0xb3f4e093db73a093, 0x59ed216765690f57}, + {0xe0f218b8d25088b8, 0x306869c13ec3532d}, + {0x8c974f7383725573, 0x1e414218c73a13fc}, + {0xafbd2350644eeacf, 0xe5d1929ef90898fb}, + {0xdbac6c247d62a583, 0xdf45f746b74abf3a}, + {0x894bc396ce5da772, 0x6b8bba8c328eb784}, + {0xab9eb47c81f5114f, 0x066ea92f3f326565}, + {0xd686619ba27255a2, 0xc80a537b0efefebe}, + {0x8613fd0145877585, 0xbd06742ce95f5f37}, + {0xa798fc4196e952e7, 0x2c48113823b73705}, + {0xd17f3b51fca3a7a0, 0xf75a15862ca504c6}, + {0x82ef85133de648c4, 0x9a984d73dbe722fc}, + {0xa3ab66580d5fdaf5, 0xc13e60d0d2e0ebbb}, + {0xcc963fee10b7d1b3, 0x318df905079926a9}, + {0xffbbcfe994e5c61f, 0xfdf17746497f7053}, + {0x9fd561f1fd0f9bd3, 0xfeb6ea8bedefa634}, + {0xc7caba6e7c5382c8, 0xfe64a52ee96b8fc1}, + {0xf9bd690a1b68637b, 0x3dfdce7aa3c673b1}, + {0x9c1661a651213e2d, 0x06bea10ca65c084f}, + {0xc31bfa0fe5698db8, 0x486e494fcff30a63}, + {0xf3e2f893dec3f126, 0x5a89dba3c3efccfb}, + {0x986ddb5c6b3a76b7, 0xf89629465a75e01d}, + {0xbe89523386091465, 0xf6bbb397f1135824}, + {0xee2ba6c0678b597f, 0x746aa07ded582e2d}, + {0x94db483840b717ef, 0xa8c2a44eb4571cdd}, + {0xba121a4650e4ddeb, 0x92f34d62616ce414}, + {0xe896a0d7e51e1566, 0x77b020baf9c81d18}, + {0x915e2486ef32cd60, 0x0ace1474dc1d122f}, + {0xb5b5ada8aaff80b8, 0x0d819992132456bb}, + {0xe3231912d5bf60e6, 0x10e1fff697ed6c6a}, + {0x8df5efabc5979c8f, 0xca8d3ffa1ef463c2}, + {0xb1736b96b6fd83b3, 0xbd308ff8a6b17cb3}, + {0xddd0467c64bce4a0, 0xac7cb3f6d05ddbdf}, + {0x8aa22c0dbef60ee4, 0x6bcdf07a423aa96c}, + {0xad4ab7112eb3929d, 0x86c16c98d2c953c7}, + {0xd89d64d57a607744, 0xe871c7bf077ba8b8}, + {0x87625f056c7c4a8b, 0x11471cd764ad4973}, + {0xa93af6c6c79b5d2d, 0xd598e40d3dd89bd0}, + {0xd389b47879823479, 0x4aff1d108d4ec2c4}, + {0x843610cb4bf160cb, 0xcedf722a585139bb}, + {0xa54394fe1eedb8fe, 0xc2974eb4ee658829}, + {0xce947a3da6a9273e, 0x733d226229feea33}, + {0x811ccc668829b887, 0x0806357d5a3f5260}, + {0xa163ff802a3426a8, 0xca07c2dcb0cf26f8}, + {0xc9bcff6034c13052, 0xfc89b393dd02f0b6}, + {0xfc2c3f3841f17c67, 0xbbac2078d443ace3}, + {0x9d9ba7832936edc0, 0xd54b944b84aa4c0e}, + {0xc5029163f384a931, 0x0a9e795e65d4df12}, + {0xf64335bcf065d37d, 0x4d4617b5ff4a16d6}, + {0x99ea0196163fa42e, 0x504bced1bf8e4e46}, + {0xc06481fb9bcf8d39, 0xe45ec2862f71e1d7}, + {0xf07da27a82c37088, 0x5d767327bb4e5a4d}, + {0x964e858c91ba2655, 0x3a6a07f8d510f870}, + {0xbbe226efb628afea, 0x890489f70a55368c}, + {0xeadab0aba3b2dbe5, 0x2b45ac74ccea842f}, + {0x92c8ae6b464fc96f, 0x3b0b8bc90012929e}, + {0xb77ada0617e3bbcb, 0x09ce6ebb40173745}, + {0xe55990879ddcaabd, 0xcc420a6a101d0516}, + {0x8f57fa54c2a9eab6, 0x9fa946824a12232e}, + {0xb32df8e9f3546564, 0x47939822dc96abfa}, + {0xdff9772470297ebd, 0x59787e2b93bc56f8}, + {0x8bfbea76c619ef36, 0x57eb4edb3c55b65b}, + {0xaefae51477a06b03, 0xede622920b6b23f2}, + {0xdab99e59958885c4, 0xe95fab368e45ecee}, + {0x88b402f7fd75539b, 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0x1d1be0eebac278f5}, + {0xa1ba1ba79e1632dc, 0x6462d92a69731732}, + {0xca28a291859bbf93, 0x7d7b8f7503cfdcfe}, + {0xfcb2cb35e702af78, 0x5cda735244c3d43e}, + {0x9defbf01b061adab, 0x3a0888136afa64a7}, + {0xc56baec21c7a1916, 0x088aaa1845b8fdd0}, + {0xf6c69a72a3989f5b, 0x8aad549e57273d45}, + {0x9a3c2087a63f6399, 0x36ac54e2f678864b}, + {0xc0cb28a98fcf3c7f, 0x84576a1bb416a7dd}, + {0xf0fdf2d3f3c30b9f, 0x656d44a2a11c51d5}, + {0x969eb7c47859e743, 0x9f644ae5a4b1b325}, + {0xbc4665b596706114, 0x873d5d9f0dde1fee}, + {0xeb57ff22fc0c7959, 0xa90cb506d155a7ea}, + {0x9316ff75dd87cbd8, 0x09a7f12442d588f2}, + {0xb7dcbf5354e9bece, 0x0c11ed6d538aeb2f}, + {0xe5d3ef282a242e81, 0x8f1668c8a86da5fa}, + {0x8fa475791a569d10, 0xf96e017d694487bc}, + {0xb38d92d760ec4455, 0x37c981dcc395a9ac}, + {0xe070f78d3927556a, 0x85bbe253f47b1417}, + {0x8c469ab843b89562, 0x93956d7478ccec8e}, + {0xaf58416654a6babb, 0x387ac8d1970027b2}, + {0xdb2e51bfe9d0696a, 0x06997b05fcc0319e}, + {0x88fcf317f22241e2, 0x441fece3bdf81f03}, + {0xab3c2fddeeaad25a, 0xd527e81cad7626c3}, + {0xd60b3bd56a5586f1, 0x8a71e223d8d3b074}, + {0x85c7056562757456, 0xf6872d5667844e49}, + {0xa738c6bebb12d16c, 0xb428f8ac016561db}, + {0xd106f86e69d785c7, 0xe13336d701beba52}, + {0x82a45b450226b39c, 0xecc0024661173473}, + {0xa34d721642b06084, 0x27f002d7f95d0190}, + {0xcc20ce9bd35c78a5, 0x31ec038df7b441f4}, + {0xff290242c83396ce, 0x7e67047175a15271}, + {0x9f79a169bd203e41, 0x0f0062c6e984d386}, + {0xc75809c42c684dd1, 0x52c07b78a3e60868}, + {0xf92e0c3537826145, 0xa7709a56ccdf8a82}, + {0x9bbcc7a142b17ccb, 0x88a66076400bb691}, + {0xc2abf989935ddbfe, 0x6acff893d00ea435}, + {0xf356f7ebf83552fe, 0x0583f6b8c4124d43}, + {0x98165af37b2153de, 0xc3727a337a8b704a}, + {0xbe1bf1b059e9a8d6, 0x744f18c0592e4c5c}, + {0xeda2ee1c7064130c, 0x1162def06f79df73}, + {0x9485d4d1c63e8be7, 0x8addcb5645ac2ba8}, + {0xb9a74a0637ce2ee1, 0x6d953e2bd7173692}, + {0xe8111c87c5c1ba99, 0xc8fa8db6ccdd0437}, + {0x910ab1d4db9914a0, 0x1d9c9892400a22a2}, + {0xb54d5e4a127f59c8, 0x2503beb6d00cab4b}, + {0xe2a0b5dc971f303a, 0x2e44ae64840fd61d}, + {0x8da471a9de737e24, 0x5ceaecfed289e5d2}, + {0xb10d8e1456105dad, 0x7425a83e872c5f47}, + {0xdd50f1996b947518, 0xd12f124e28f77719}, + {0x8a5296ffe33cc92f, 0x82bd6b70d99aaa6f}, + {0xace73cbfdc0bfb7b, 0x636cc64d1001550b}, + {0xd8210befd30efa5a, 0x3c47f7e05401aa4e}, + {0x8714a775e3e95c78, 0x65acfaec34810a71}, + {0xa8d9d1535ce3b396, 0x7f1839a741a14d0d}, + {0xd31045a8341ca07c, 0x1ede48111209a050}, + {0x83ea2b892091e44d, 0x934aed0aab460432}, + {0xa4e4b66b68b65d60, 0xf81da84d5617853f}, + {0xce1de40642e3f4b9, 0x36251260ab9d668e}, + {0x80d2ae83e9ce78f3, 0xc1d72b7c6b426019}, + {0xa1075a24e4421730, 0xb24cf65b8612f81f}, + {0xc94930ae1d529cfc, 0xdee033f26797b627}, + {0xfb9b7cd9a4a7443c, 0x169840ef017da3b1}, + {0x9d412e0806e88aa5, 0x8e1f289560ee864e}, + {0xc491798a08a2ad4e, 0xf1a6f2bab92a27e2}, + {0xf5b5d7ec8acb58a2, 0xae10af696774b1db}, + {0x9991a6f3d6bf1765, 0xacca6da1e0a8ef29}, + {0xbff610b0cc6edd3f, 0x17fd090a58d32af3}, + {0xeff394dcff8a948e, 0xddfc4b4cef07f5b0}, + {0x95f83d0a1fb69cd9, 0x4abdaf101564f98e}, + {0xbb764c4ca7a4440f, 0x9d6d1ad41abe37f1}, + {0xea53df5fd18d5513, 0x84c86189216dc5ed}, + {0x92746b9be2f8552c, 0x32fd3cf5b4e49bb4}, + {0xb7118682dbb66a77, 0x3fbc8c33221dc2a1}, + {0xe4d5e82392a40515, 0x0fabaf3feaa5334a}, + {0x8f05b1163ba6832d, 0x29cb4d87f2a7400e}, + {0xb2c71d5bca9023f8, 0x743e20e9ef511012}, + {0xdf78e4b2bd342cf6, 0x914da9246b255416}, + {0x8bab8eefb6409c1a, 0x1ad089b6c2f7548e}, + {0xae9672aba3d0c320, 0xa184ac2473b529b1}, + {0xda3c0f568cc4f3e8, 0xc9e5d72d90a2741e}, + {0x8865899617fb1871, 0x7e2fa67c7a658892}, + {0xaa7eebfb9df9de8d, 0xddbb901b98feeab7}, + {0xd51ea6fa85785631, 0x552a74227f3ea565}, + {0x8533285c936b35de, 0xd53a88958f87275f}, + {0xa67ff273b8460356, 0x8a892abaf368f137}, + {0xd01fef10a657842c, 0x2d2b7569b0432d85}, + {0x8213f56a67f6b29b, 0x9c3b29620e29fc73}, + {0xa298f2c501f45f42, 0x8349f3ba91b47b8f}, + {0xcb3f2f7642717713, 0x241c70a936219a73}, + {0xfe0efb53d30dd4d7, 0xed238cd383aa0110}, + {0x9ec95d1463e8a506, 0xf4363804324a40aa}, + {0xc67bb4597ce2ce48, 0xb143c6053edcd0d5}, + {0xf81aa16fdc1b81da, 0xdd94b7868e94050a}, + {0x9b10a4e5e9913128, 0xca7cf2b4191c8326}, + {0xc1d4ce1f63f57d72, 0xfd1c2f611f63a3f0}, + {0xf24a01a73cf2dccf, 0xbc633b39673c8cec}, + {0x976e41088617ca01, 0xd5be0503e085d813}, + {0xbd49d14aa79dbc82, 0x4b2d8644d8a74e18}, + {0xec9c459d51852ba2, 0xddf8e7d60ed1219e}, + {0x93e1ab8252f33b45, 0xcabb90e5c942b503}, + {0xb8da1662e7b00a17, 0x3d6a751f3b936243}, + {0xe7109bfba19c0c9d, 0x0cc512670a783ad4}, + {0x906a617d450187e2, 0x27fb2b80668b24c5}, + {0xb484f9dc9641e9da, 0xb1f9f660802dedf6}, + {0xe1a63853bbd26451, 0x5e7873f8a0396973}, + {0x8d07e33455637eb2, 0xdb0b487b6423e1e8}, + {0xb049dc016abc5e5f, 0x91ce1a9a3d2cda62}, + {0xdc5c5301c56b75f7, 0x7641a140cc7810fb}, + {0x89b9b3e11b6329ba, 0xa9e904c87fcb0a9d}, + {0xac2820d9623bf429, 0x546345fa9fbdcd44}, + {0xd732290fbacaf133, 0xa97c177947ad4095}, + {0x867f59a9d4bed6c0, 0x49ed8eabcccc485d}, + {0xa81f301449ee8c70, 0x5c68f256bfff5a74}, + {0xd226fc195c6a2f8c, 0x73832eec6fff3111}, + {0x83585d8fd9c25db7, 0xc831fd53c5ff7eab}, + {0xa42e74f3d032f525, 0xba3e7ca8b77f5e55}, + {0xcd3a1230c43fb26f, 0x28ce1bd2e55f35eb}, + {0x80444b5e7aa7cf85, 0x7980d163cf5b81b3}, + {0xa0555e361951c366, 0xd7e105bcc332621f}, + {0xc86ab5c39fa63440, 0x8dd9472bf3fefaa7}, + {0xfa856334878fc150, 0xb14f98f6f0feb951}, + {0x9c935e00d4b9d8d2, 0x6ed1bf9a569f33d3}, + {0xc3b8358109e84f07, 0x0a862f80ec4700c8}, + {0xf4a642e14c6262c8, 0xcd27bb612758c0fa}, + {0x98e7e9cccfbd7dbd, 0x8038d51cb897789c}, + {0xbf21e44003acdd2c, 0xe0470a63e6bd56c3}, + {0xeeea5d5004981478, 0x1858ccfce06cac74}, + {0x95527a5202df0ccb, 0x0f37801e0c43ebc8}, + {0xbaa718e68396cffd, 0xd30560258f54e6ba}, + {0xe950df20247c83fd, 0x47c6b82ef32a2069}, + {0x91d28b7416cdd27e, 0x4cdc331d57fa5441}, + {0xb6472e511c81471d, 0xe0133fe4adf8e952}, + {0xe3d8f9e563a198e5, 0x58180fddd97723a6}, + {0x8e679c2f5e44ff8f, 0x570f09eaa7ea7648}, + {0xb201833b35d63f73, 0x2cd2cc6551e513da}, + {0xde81e40a034bcf4f, 0xf8077f7ea65e58d1}, + {0x8b112e86420f6191, 0xfb04afaf27faf782}, + {0xadd57a27d29339f6, 0x79c5db9af1f9b563}, + {0xd94ad8b1c7380874, 0x18375281ae7822bc}, + {0x87cec76f1c830548, 0x8f2293910d0b15b5}, + {0xa9c2794ae3a3c69a, 0xb2eb3875504ddb22}, + {0xd433179d9c8cb841, 0x5fa60692a46151eb}, + {0x849feec281d7f328, 0xdbc7c41ba6bcd333}, + {0xa5c7ea73224deff3, 0x12b9b522906c0800}, + {0xcf39e50feae16bef, 0xd768226b34870a00}, + {0x81842f29f2cce375, 0xe6a1158300d46640}, + {0xa1e53af46f801c53, 0x60495ae3c1097fd0}, + {0xca5e89b18b602368, 0x385bb19cb14bdfc4}, + {0xfcf62c1dee382c42, 0x46729e03dd9ed7b5}, + {0x9e19db92b4e31ba9, 0x6c07a2c26a8346d1}, + {0xc5a05277621be293, 0xc7098b7305241885}, + {0xf70867153aa2db38, 0xb8cbee4fc66d1ea7} +#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, 0x02f236d04753d5b4}, + {0xcde6fd5e09abcf26, 0xed4c0226b55e6f86}, + {0xa6539930bf6bff45, 0x84db8346b786151c}, + {0x865b86925b9bc5c2, 0x0b8a2392ba45a9b2}, + {0xd910f7ff28069da4, 0x1b2ba1518094da04}, + {0xaf58416654a6babb, 0x387ac8d1970027b2}, + {0x8da471a9de737e24, 0x5ceaecfed289e5d2}, + {0xe4d5e82392a40515, 0x0fabaf3feaa5334a}, + {0xb8da1662e7b00a17, 0x3d6a751f3b936243}, + {0x95527a5202df0ccb, 0x0f37801e0c43ebc8} +#endif +}; + +#if !FMT_USE_FULL_CACHE_DRAGONBOX +template +const uint64_t basic_data::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}; + +template +const uint32_t basic_data::dragonbox_pow10_recovery_errors[] = { + 0x50001400, 0x54044100, 0x54014555, 0x55954415, 0x54115555, 0x00000001, + 0x50000000, 0x00104000, 0x54010004, 0x05004001, 0x55555544, 0x41545555, + 0x54040551, 0x15445545, 0x51555514, 0x10000015, 0x00101100, 0x01100015, + 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x04450514, 0x45414110, + 0x55555145, 0x50544050, 0x15040155, 0x11054140, 0x50111514, 0x11451454, + 0x00400541, 0x00000000, 0x55555450, 0x10056551, 0x10054011, 0x55551014, + 0x69514555, 0x05151109, 0x00155555}; +#endif + +template +const char basic_data::foreground_color[] = "\x1b[38;2;"; +template +const char basic_data::background_color[] = "\x1b[48;2;"; +template const char basic_data::reset_color[] = "\x1b[0m"; +template const wchar_t basic_data::wreset_color[] = L"\x1b[0m"; +template const char basic_data::signs[] = {0, '-', '+', ' '}; +template +const char basic_data::left_padding_shifts[] = {31, 31, 0, 1, 0}; +template +const char basic_data::right_padding_shifts[] = {0, 31, 0, 1, 0}; + +template struct bits { + static FMT_CONSTEXPR_DECL const int value = + static_cast(sizeof(T) * std::numeric_limits::digits); +}; + +class fp; +template fp normalize(fp value); + +// Lower (upper) boundary is a value half way between a floating-point value +// and its predecessor (successor). Boundaries have the same exponent as the +// value so only significands are stored. +struct boundaries { + uint64_t lower; + uint64_t upper; +}; + +// A handmade floating-point number f * pow(2, e). +class fp { + private: + using significand_type = uint64_t; + + template + using is_supported_float = bool_constant; + + public: + significand_type f; + int e; + + // All sizes are in bits. + // Subtract 1 to account for an implicit most significant bit in the + // normalized form. + static FMT_CONSTEXPR_DECL const int double_significand_size = + std::numeric_limits::digits - 1; + static FMT_CONSTEXPR_DECL const uint64_t implicit_bit = + 1ULL << double_significand_size; + static FMT_CONSTEXPR_DECL const int significand_size = + bits::value; + + fp() : f(0), e(0) {} + fp(uint64_t f_val, int e_val) : f(f_val), e(e_val) {} + + // Constructs fp from an IEEE754 double. It is a template to prevent compile + // errors on platforms where double is not IEEE754. + template explicit fp(Double d) { assign(d); } + + // Assigns d to this and return true iff predecessor is closer than successor. + template ::value)> + bool assign(Float d) { + // Assume float is in the format [sign][exponent][significand]. + using limits = std::numeric_limits; + const int float_significand_size = limits::digits - 1; + const int exponent_size = + bits::value - float_significand_size - 1; // -1 for sign + const uint64_t float_implicit_bit = 1ULL << float_significand_size; + const uint64_t significand_mask = float_implicit_bit - 1; + const uint64_t exponent_mask = (~0ULL >> 1) & ~significand_mask; + const int exponent_bias = (1 << exponent_size) - limits::max_exponent - 1; + constexpr bool is_double = sizeof(Float) == sizeof(uint64_t); + auto u = bit_cast>(d); + f = u & significand_mask; + int biased_e = + static_cast((u & exponent_mask) >> float_significand_size); + // Predecessor is closer if d is a normalized power of 2 (f == 0) other than + // the smallest normalized number (biased_e > 1). + bool is_predecessor_closer = f == 0 && biased_e > 1; + if (biased_e != 0) + f += float_implicit_bit; + else + biased_e = 1; // Subnormals use biased exponent 1 (min exponent). + e = biased_e - exponent_bias - float_significand_size; + return is_predecessor_closer; + } + + template ::value)> + bool assign(Float) { + *this = fp(); + return false; + } +}; + +// Normalizes the value converted from double and multiplied by (1 << SHIFT). +template fp normalize(fp value) { + // Handle subnormals. + const auto shifted_implicit_bit = fp::implicit_bit << SHIFT; + while ((value.f & shifted_implicit_bit) == 0) { + value.f <<= 1; + --value.e; + } + // Subtract 1 to account for hidden bit. + const auto offset = + fp::significand_size - fp::double_significand_size - SHIFT - 1; + value.f <<= offset; + value.e -= offset; + return value; +} + +inline bool operator==(fp x, fp y) { return x.f == y.f && x.e == y.e; } + +// Computes lhs * rhs / pow(2, 64) rounded to nearest with half-up tie breaking. +inline uint64_t multiply(uint64_t lhs, uint64_t rhs) { +#if FMT_USE_INT128 + auto product = static_cast<__uint128_t>(lhs) * rhs; + auto f = static_cast(product >> 64); + return (static_cast(product) & (1ULL << 63)) != 0 ? f + 1 : f; +#else + // Multiply 32-bit parts of significands. + uint64_t mask = (1ULL << 32) - 1; + uint64_t a = lhs >> 32, b = lhs & mask; + uint64_t c = rhs >> 32, d = rhs & mask; + uint64_t ac = a * c, bc = b * c, ad = a * d, bd = b * d; + // Compute mid 64-bit of result and round. + uint64_t mid = (bd >> 32) + (ad & mask) + (bc & mask) + (1U << 31); + return ac + (ad >> 32) + (bc >> 32) + (mid >> 32); +#endif +} + +inline fp operator*(fp x, fp y) { return {multiply(x.f, y.f), x.e + y.e + 64}; } + +// Returns a cached power of 10 `c_k = c_k.f * pow(2, c_k.e)` such that its +// (binary) exponent satisfies `min_exponent <= c_k.e <= min_exponent + 28`. +inline fp get_cached_power(int min_exponent, int& pow10_exponent) { + const int shift = 32; + const auto significand = static_cast(data::log10_2_significand); + int index = static_cast( + ((min_exponent + fp::significand_size - 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; + return {data::grisu_pow10_significands[index], + data::grisu_pow10_exponents[index]}; +} + +// A simple accumulator to hold the sums of terms in bigint::square if uint128_t +// is not available. +struct accumulator { + uint64_t lower; + uint64_t upper; + + accumulator() : lower(0), upper(0) {} + explicit operator uint32_t() const { return static_cast(lower); } + + void operator+=(uint64_t n) { + lower += n; + if (lower < n) ++upper; + } + void operator>>=(int shift) { + assert(shift == 32); + (void)shift; + lower = (upper << 32) | (lower >> 32); + upper >>= 32; + } +}; + +class bigint { + private: + // A bigint is stored as an array of bigits (big digits), with bigit at index + // 0 being the least significant one. + using bigit = uint32_t; + using double_bigit = uint64_t; + enum { bigits_capacity = 32 }; + basic_memory_buffer bigits_; + int exp_; + + bigit operator[](int index) const { return bigits_[to_unsigned(index)]; } + bigit& operator[](int index) { return bigits_[to_unsigned(index)]; } + + static FMT_CONSTEXPR_DECL const int bigit_bits = bits::value; + + friend struct formatter; + + void subtract_bigits(int index, bigit other, bigit& borrow) { + auto result = static_cast((*this)[index]) - other - borrow; + (*this)[index] = static_cast(result); + borrow = static_cast(result >> (bigit_bits * 2 - 1)); + } + + void remove_leading_zeros() { + int num_bigits = static_cast(bigits_.size()) - 1; + while (num_bigits > 0 && (*this)[num_bigits] == 0) --num_bigits; + bigits_.resize(to_unsigned(num_bigits + 1)); + } + + // Computes *this -= other assuming aligned bigints and *this >= other. + void subtract_aligned(const bigint& other) { + FMT_ASSERT(other.exp_ >= exp_, "unaligned bigints"); + FMT_ASSERT(compare(*this, other) >= 0, ""); + bigit borrow = 0; + int i = other.exp_ - exp_; + for (size_t j = 0, n = other.bigits_.size(); j != n; ++i, ++j) + subtract_bigits(i, other.bigits_[j], borrow); + while (borrow > 0) subtract_bigits(i, 0, borrow); + remove_leading_zeros(); + } + + void multiply(uint32_t value) { + const double_bigit wide_value = value; + bigit carry = 0; + for (size_t i = 0, n = bigits_.size(); i < n; ++i) { + double_bigit result = bigits_[i] * wide_value + carry; + bigits_[i] = static_cast(result); + carry = static_cast(result >> bigit_bits); + } + if (carry != 0) bigits_.push_back(carry); + } + + void multiply(uint64_t value) { + const bigit mask = ~bigit(0); + const double_bigit lower = value & mask; + const double_bigit upper = value >> bigit_bits; + double_bigit carry = 0; + for (size_t i = 0, n = bigits_.size(); i < n; ++i) { + double_bigit result = bigits_[i] * lower + (carry & mask); + carry = + bigits_[i] * upper + (result >> bigit_bits) + (carry >> bigit_bits); + bigits_[i] = static_cast(result); + } + while (carry != 0) { + bigits_.push_back(carry & mask); + carry >>= bigit_bits; + } + } + + public: + bigint() : exp_(0) {} + explicit bigint(uint64_t n) { assign(n); } + ~bigint() { assert(bigits_.capacity() <= bigits_capacity); } + + bigint(const bigint&) = delete; + void operator=(const bigint&) = delete; + + void assign(const bigint& other) { + 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_; + } + + void assign(uint64_t n) { + size_t num_bigits = 0; + do { + bigits_[num_bigits++] = n & ~bigit(0); + n >>= bigit_bits; + } while (n != 0); + bigits_.resize(num_bigits); + exp_ = 0; + } + + int num_bigits() const { return static_cast(bigits_.size()) + exp_; } + + FMT_NOINLINE bigint& operator<<=(int shift) { + assert(shift >= 0); + exp_ += shift / bigit_bits; + shift %= bigit_bits; + if (shift == 0) return *this; + bigit carry = 0; + for (size_t i = 0, n = bigits_.size(); i < n; ++i) { + bigit c = bigits_[i] >> (bigit_bits - shift); + bigits_[i] = (bigits_[i] << shift) + carry; + carry = c; + } + if (carry != 0) bigits_.push_back(carry); + return *this; + } + + template bigint& operator*=(Int value) { + FMT_ASSERT(value > 0, ""); + multiply(uint32_or_64_or_128_t(value)); + return *this; + } + + friend int compare(const bigint& lhs, const bigint& rhs) { + int num_lhs_bigits = lhs.num_bigits(), num_rhs_bigits = rhs.num_bigits(); + if (num_lhs_bigits != num_rhs_bigits) + return num_lhs_bigits > num_rhs_bigits ? 1 : -1; + int i = static_cast(lhs.bigits_.size()) - 1; + int j = static_cast(rhs.bigits_.size()) - 1; + int end = i - j; + if (end < 0) end = 0; + for (; i >= end; --i, --j) { + bigit lhs_bigit = lhs[i], rhs_bigit = rhs[j]; + if (lhs_bigit != rhs_bigit) return lhs_bigit > rhs_bigit ? 1 : -1; + } + if (i != j) return i > j ? 1 : -1; + return 0; + } + + // Returns compare(lhs1 + lhs2, rhs). + friend int add_compare(const bigint& lhs1, const bigint& lhs2, + const bigint& rhs) { + int max_lhs_bigits = (std::max)(lhs1.num_bigits(), lhs2.num_bigits()); + int num_rhs_bigits = rhs.num_bigits(); + if (max_lhs_bigits + 1 < num_rhs_bigits) return -1; + if (max_lhs_bigits > num_rhs_bigits) return 1; + auto get_bigit = [](const bigint& n, int i) -> bigit { + return i >= n.exp_ && i < n.num_bigits() ? n[i - n.exp_] : 0; + }; + double_bigit borrow = 0; + int min_exp = (std::min)((std::min)(lhs1.exp_, lhs2.exp_), rhs.exp_); + for (int i = num_rhs_bigits - 1; i >= min_exp; --i) { + double_bigit sum = + static_cast(get_bigit(lhs1, i)) + get_bigit(lhs2, i); + bigit rhs_bigit = get_bigit(rhs, i); + if (sum > rhs_bigit + borrow) return 1; + borrow = rhs_bigit + borrow - sum; + if (borrow > 1) return -1; + borrow <<= bigit_bits; + } + return borrow != 0 ? -1 : 0; + } + + // Assigns pow(10, exp) to this bigint. + void assign_pow10(int exp) { + assert(exp >= 0); + if (exp == 0) return assign(1); + // Find the top bit. + int bitmask = 1; + while (exp >= bitmask) bitmask <<= 1; + bitmask >>= 1; + // pow(10, exp) = pow(5, exp) * pow(2, exp). First compute pow(5, exp) by + // repeated squaring and multiplication. + assign(5); + bitmask >>= 1; + while (bitmask != 0) { + square(); + if ((exp & bitmask) != 0) *this *= 5; + bitmask >>= 1; + } + *this <<= exp; // Multiply by pow(2, exp) by shifting. + } + + void square() { + basic_memory_buffer n(std::move(bigits_)); + int num_bigits = static_cast(bigits_.size()); + int num_result_bigits = 2 * num_bigits; + bigits_.resize(to_unsigned(num_result_bigits)); + using accumulator_t = conditional_t; + auto sum = accumulator_t(); + for (int bigit_index = 0; bigit_index < num_bigits; ++bigit_index) { + // Compute bigit at position bigit_index of the result by adding + // cross-product terms n[i] * n[j] such that i + j == bigit_index. + for (int i = 0, j = bigit_index; j >= 0; ++i, --j) { + // Most terms are multiplied twice which can be optimized in the future. + sum += static_cast(n[i]) * n[j]; + } + (*this)[bigit_index] = static_cast(sum); + sum >>= bits::value; // Compute the carry. + } + // Do the same for the top half. + for (int bigit_index = num_bigits; bigit_index < num_result_bigits; + ++bigit_index) { + for (int j = num_bigits - 1, i = bigit_index - j; i < num_bigits;) + sum += static_cast(n[i++]) * n[j--]; + (*this)[bigit_index] = static_cast(sum); + sum >>= bits::value; + } + --num_result_bigits; + remove_leading_zeros(); + exp_ *= 2; + } + + // If this bigint has a bigger exponent than other, adds trailing zero to make + // exponents equal. This simplifies some operations such as subtraction. + 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. + 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; + } +}; + +enum class round_direction { unknown, up, down }; + +// Given the divisor (normally a power of 10), the remainder = v % divisor for +// some number v and the error, returns whether v should be rounded up, down, or +// whether the rounding direction can't be determined due to error. +// error should be less than divisor / 2. +inline round_direction get_round_direction(uint64_t divisor, uint64_t remainder, + uint64_t error) { + FMT_ASSERT(remainder < divisor, ""); // divisor - remainder won't overflow. + FMT_ASSERT(error < divisor, ""); // divisor - error won't overflow. + FMT_ASSERT(error < divisor - error, ""); // error * 2 won't overflow. + // Round down if (remainder + error) * 2 <= divisor. + if (remainder <= divisor - remainder && error * 2 <= divisor - remainder * 2) + return round_direction::down; + // Round up if (remainder - error) * 2 >= divisor. + if (remainder >= error && + remainder - error >= divisor - (remainder - error)) { + return round_direction::up; + } + return round_direction::unknown; +} + +namespace digits { +enum result { + more, // Generate more digits. + done, // Done generating digits. + error // Digit generation cancelled due to an error. +}; +} + +// Generates output using the Grisu digit-gen algorithm. +// error: the size of the region (lower, upper) outside of which numbers +// definitely do not round to value (Delta in Grisu3). +template +FMT_ALWAYS_INLINE digits::result grisu_gen_digits(fp value, uint64_t error, + int& exp, Handler& handler) { + const fp one(1ULL << -value.e, value.e); + // The integral part of scaled value (p1 in Grisu) = value / one. It cannot be + // zero because it contains a product of two 64-bit numbers with MSB set (due + // to normalization) - 1, shifted right by at most 60 bits. + auto integral = static_cast(value.f >> -one.e); + FMT_ASSERT(integral != 0, ""); + FMT_ASSERT(integral == value.f >> -one.e, ""); + // The fractional part of scaled value (p2 in Grisu) c = value % one. + uint64_t fractional = value.f & (one.f - 1); + exp = count_digits(integral); // kappa in Grisu. + // Divide by 10 to prevent overflow. + auto result = handler.on_start(data::powers_of_10_64[exp - 1] << -one.e, + value.f / 10, error * 10, exp); + if (result != digits::more) return result; + // Generate digits for the integral part. This can produce up to 10 digits. + do { + uint32_t digit = 0; + auto divmod_integral = [&](uint32_t divisor) { + digit = integral / divisor; + integral %= divisor; + }; + // This optimization by Milo Yip reduces the number of integer divisions by + // one per iteration. + switch (exp) { + case 10: + divmod_integral(1000000000); + break; + case 9: + divmod_integral(100000000); + break; + case 8: + divmod_integral(10000000); + break; + case 7: + divmod_integral(1000000); + break; + case 6: + divmod_integral(100000); + break; + case 5: + divmod_integral(10000); + break; + case 4: + divmod_integral(1000); + break; + case 3: + divmod_integral(100); + break; + case 2: + divmod_integral(10); + break; + case 1: + digit = integral; + integral = 0; + break; + default: + FMT_ASSERT(false, "invalid number of digits"); + } + --exp; + auto remainder = (static_cast(integral) << -one.e) + fractional; + result = handler.on_digit(static_cast('0' + digit), + data::powers_of_10_64[exp] << -one.e, remainder, + error, exp, true); + if (result != digits::more) return result; + } while (exp > 0); + // Generate digits for the fractional part. + for (;;) { + fractional *= 10; + error *= 10; + char digit = static_cast('0' + (fractional >> -one.e)); + fractional &= one.f - 1; + --exp; + result = handler.on_digit(digit, one.f, fractional, error, exp, false); + if (result != digits::more) return result; + } +} + +// The fixed precision digit handler. +struct fixed_handler { + char* buf; + int size; + int precision; + int exp10; + bool fixed; + + digits::result on_start(uint64_t divisor, uint64_t remainder, uint64_t error, + int& exp) { + // Non-fixed formats require at least one digit and no precision adjustment. + if (!fixed) return digits::more; + // Adjust fixed precision by exponent because it is relative to decimal + // point. + precision += exp + exp10; + // Check if precision is satisfied just by leading zeros, e.g. + // format("{:.2f}", 0.001) gives "0.00" without generating any digits. + if (precision > 0) return digits::more; + if (precision < 0) return digits::done; + auto dir = get_round_direction(divisor, remainder, error); + if (dir == round_direction::unknown) return digits::error; + buf[size++] = dir == round_direction::up ? '1' : '0'; + return digits::done; + } + + digits::result on_digit(char digit, uint64_t divisor, uint64_t remainder, + uint64_t error, int, bool integral) { + FMT_ASSERT(remainder < divisor, ""); + buf[size++] = digit; + if (!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; + } +}; + +// Implementation of Dragonbox algorithm: https://github.com/jk-jeon/dragonbox. +namespace dragonbox { +// Computes 128-bit result of multiplication of two 64-bit unsigned integers. +FMT_SAFEBUFFERS inline uint128_wrapper umul128(uint64_t x, + uint64_t y) FMT_NOEXCEPT { +#if FMT_USE_INT128 + return static_cast(x) * static_cast(y); +#elif defined(_MSC_VER) && defined(_M_X64) + uint128_wrapper result; + result.low_ = _umul128(x, y, &result.high_); + return result; +#else + const uint64_t mask = (uint64_t(1) << 32) - uint64_t(1); + + 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 intermediate = (bd >> 32) + (ad & mask) + (bc & mask); + + return {ac + (intermediate >> 32) + (ad >> 32) + (bc >> 32), + (intermediate << 32) + (bd & mask)}; +#endif +} + +// Computes upper 64 bits of multiplication of two 64-bit unsigned integers. +FMT_SAFEBUFFERS inline uint64_t umul128_upper64(uint64_t x, + uint64_t y) FMT_NOEXCEPT { +#if FMT_USE_INT128 + auto p = static_cast(x) * static_cast(y); + return static_cast(p >> 64); +#elif defined(_MSC_VER) && defined(_M_X64) + return __umulh(x, y); +#else + return umul128(x, y).high(); +#endif +} + +// Computes upper 64 bits of multiplication of a 64-bit unsigned integer and a +// 128-bit unsigned integer. +FMT_SAFEBUFFERS inline uint64_t umul192_upper64(uint64_t x, uint128_wrapper y) + FMT_NOEXCEPT { + uint128_wrapper g0 = umul128(x, y.high()); + g0 += umul128_upper64(x, y.low()); + return g0.high(); +} + +// Computes upper 32 bits of multiplication of a 32-bit unsigned integer and a +// 64-bit unsigned integer. +inline uint32_t umul96_upper32(uint32_t x, uint64_t y) FMT_NOEXCEPT { + return static_cast(umul128_upper64(x, y)); +} + +// Computes middle 64 bits of multiplication of a 64-bit unsigned integer and a +// 128-bit unsigned integer. +FMT_SAFEBUFFERS inline uint64_t umul192_middle64(uint64_t x, uint128_wrapper y) + FMT_NOEXCEPT { + uint64_t g01 = x * y.high(); + uint64_t g10 = umul128_upper64(x, y.low()); + return g01 + g10; +} + +// 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) FMT_NOEXCEPT { + return x * y; +} + +// Computes floor(log10(pow(2, e))) for e in [-1700, 1700] using the method from +// https://fmt.dev/papers/Grisu-Exact.pdf#page=5, section 3.4. +inline int floor_log10_pow2(int e) FMT_NOEXCEPT { + FMT_ASSERT(e <= 1700 && e >= -1700, "too large exponent"); + const int shift = 22; + return (e * static_cast(data::log10_2_significand >> (64 - shift))) >> + shift; +} + +// Various fast log computations. +inline int floor_log2_pow10(int e) FMT_NOEXCEPT { + FMT_ASSERT(e <= 1233 && e >= -1233, "too large exponent"); + const uint64_t log2_10_integer_part = 3; + const uint64_t log2_10_fractional_digits = 0x5269e12f346e2bf9; + const int shift_amount = 19; + return (e * static_cast( + (log2_10_integer_part << shift_amount) | + (log2_10_fractional_digits >> (64 - shift_amount)))) >> + shift_amount; +} +inline int floor_log10_pow2_minus_log10_4_over_3(int e) FMT_NOEXCEPT { + FMT_ASSERT(e <= 1700 && e >= -1700, "too large exponent"); + const uint64_t log10_4_over_3_fractional_digits = 0x1ffbfc2bbc780375; + const int shift_amount = 22; + return (e * static_cast(data::log10_2_significand >> + (64 - shift_amount)) - + static_cast(log10_4_over_3_fractional_digits >> + (64 - shift_amount))) >> + shift_amount; +} + +// Returns true iff x is divisible by pow(2, exp). +inline bool divisible_by_power_of_2(uint32_t x, int exp) FMT_NOEXCEPT { + FMT_ASSERT(exp >= 1, ""); + FMT_ASSERT(x != 0, ""); +#ifdef FMT_BUILTIN_CTZ + return FMT_BUILTIN_CTZ(x) >= exp; +#else + return exp < num_bits() && x == ((x >> exp) << exp); +#endif +} +inline bool divisible_by_power_of_2(uint64_t x, int exp) FMT_NOEXCEPT { + FMT_ASSERT(exp >= 1, ""); + FMT_ASSERT(x != 0, ""); +#ifdef FMT_BUILTIN_CTZLL + return FMT_BUILTIN_CTZLL(x) >= exp; +#else + return exp < num_bits() && x == ((x >> exp) << exp); +#endif +} + +// Returns true iff x is divisible by pow(5, exp). +inline bool divisible_by_power_of_5(uint32_t x, int exp) FMT_NOEXCEPT { + FMT_ASSERT(exp <= 10, "too large exponent"); + return x * data::divtest_table_for_pow5_32[exp].mod_inv <= + data::divtest_table_for_pow5_32[exp].max_quotient; +} +inline bool divisible_by_power_of_5(uint64_t x, int exp) FMT_NOEXCEPT { + FMT_ASSERT(exp <= 23, "too large exponent"); + return x * data::divtest_table_for_pow5_64[exp].mod_inv <= + data::divtest_table_for_pow5_64[exp].max_quotient; +} + +// Replaces n by floor(n / pow(5, N)) returning true if and only if n is +// divisible by pow(5, N). +// Precondition: n <= 2 * pow(5, N + 1). +template +bool check_divisibility_and_divide_by_pow5(uint32_t& n) FMT_NOEXCEPT { + static constexpr struct { + uint32_t magic_number; + int bits_for_comparison; + uint32_t threshold; + int shift_amount; + } infos[] = {{0xcccd, 16, 0x3333, 18}, {0xa429, 8, 0x0a, 20}}; + constexpr auto info = infos[N - 1]; + n *= info.magic_number; + const uint32_t comparison_mask = (1u << info.bits_for_comparison) - 1; + bool result = (n & comparison_mask) <= info.threshold; + 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) FMT_NOEXCEPT { + static constexpr struct { + uint32_t magic_number; + int shift_amount; + uint32_t divisor_times_10; + } infos[] = {{0xcccd, 19, 100}, {0xa3d8, 22, 1000}}; + constexpr auto info = infos[N - 1]; + FMT_ASSERT(n <= info.divisor_times_10, "n is too large"); + return n * info.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) FMT_NOEXCEPT { + return n / float_info::big_divisor; +} +// Computes floor(n / 10^(kappa + 1)) (double) +inline uint64_t divide_by_10_to_kappa_plus_1(uint64_t n) FMT_NOEXCEPT { + return umul128_upper64(n, 0x83126e978d4fdf3c) >> 9; +} + +// 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) FMT_NOEXCEPT { + FMT_ASSERT(k >= float_info::min_k && k <= float_info::max_k, + "k is out of range"); + return data::dragonbox_pow10_significands_64[k - float_info::min_k]; + } + + static carrier_uint compute_mul(carrier_uint u, + const cache_entry_type& cache) FMT_NOEXCEPT { + return umul96_upper32(u, cache); + } + + static uint32_t compute_delta(const cache_entry_type& cache, + int beta_minus_1) FMT_NOEXCEPT { + return static_cast(cache >> (64 - 1 - beta_minus_1)); + } + + static bool compute_mul_parity(carrier_uint two_f, + const cache_entry_type& cache, + int beta_minus_1) FMT_NOEXCEPT { + FMT_ASSERT(beta_minus_1 >= 1, ""); + FMT_ASSERT(beta_minus_1 < 64, ""); + + return ((umul96_lower64(two_f, cache) >> (64 - beta_minus_1)) & 1) != 0; + } + + static carrier_uint compute_left_endpoint_for_shorter_interval_case( + const cache_entry_type& cache, int beta_minus_1) FMT_NOEXCEPT { + return static_cast( + (cache - (cache >> (float_info::significand_bits + 2))) >> + (64 - float_info::significand_bits - 1 - beta_minus_1)); + } + + static carrier_uint compute_right_endpoint_for_shorter_interval_case( + const cache_entry_type& cache, int beta_minus_1) FMT_NOEXCEPT { + return static_cast( + (cache + (cache >> (float_info::significand_bits + 1))) >> + (64 - float_info::significand_bits - 1 - beta_minus_1)); + } + + static carrier_uint compute_round_up_for_shorter_interval_case( + const cache_entry_type& cache, int beta_minus_1) FMT_NOEXCEPT { + return (static_cast( + cache >> + (64 - float_info::significand_bits - 2 - beta_minus_1)) + + 1) / + 2; + } +}; + +template <> struct cache_accessor { + using carrier_uint = float_info::carrier_uint; + using cache_entry_type = uint128_wrapper; + + static uint128_wrapper get_cached_power(int k) FMT_NOEXCEPT { + FMT_ASSERT(k >= float_info::min_k && k <= float_info::max_k, + "k is out of range"); + +#if FMT_USE_FULL_CACHE_DRAGONBOX + return data::dragonbox_pow10_significands_128[k - + float_info::min_k]; +#else + 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_wrapper base_cache = + data::dragonbox_pow10_significands_128[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 = data::powers_of_5_64[offset]; + uint128_wrapper recovered_cache = umul128(base_cache.high(), pow5); + uint128_wrapper middle_low = + umul128(base_cache.low() - (kb < 0 ? 1u : 0u), 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_wrapper{(recovered_cache.low() >> alpha) | high_to_middle, + ((middle_low.low() >> alpha) | middle_to_low)}; + + if (kb < 0) recovered_cache += 1; + + // Get error. + int error_idx = (k - float_info::min_k) / 16; + uint32_t error = (data::dragonbox_pow10_recovery_errors[error_idx] >> + ((k - float_info::min_k) % 16) * 2) & + 0x3; + + // Add the error back. + FMT_ASSERT(recovered_cache.low() + error >= recovered_cache.low(), ""); + return {recovered_cache.high(), recovered_cache.low() + error}; +#endif + } + + static carrier_uint compute_mul(carrier_uint u, + const cache_entry_type& cache) FMT_NOEXCEPT { + return umul192_upper64(u, cache); + } + + static uint32_t compute_delta(cache_entry_type const& cache, + int beta_minus_1) FMT_NOEXCEPT { + return static_cast(cache.high() >> (64 - 1 - beta_minus_1)); + } + + static bool compute_mul_parity(carrier_uint two_f, + const cache_entry_type& cache, + int beta_minus_1) FMT_NOEXCEPT { + FMT_ASSERT(beta_minus_1 >= 1, ""); + FMT_ASSERT(beta_minus_1 < 64, ""); + + return ((umul192_middle64(two_f, cache) >> (64 - beta_minus_1)) & 1) != 0; + } + + static carrier_uint compute_left_endpoint_for_shorter_interval_case( + const cache_entry_type& cache, int beta_minus_1) FMT_NOEXCEPT { + return (cache.high() - + (cache.high() >> (float_info::significand_bits + 2))) >> + (64 - float_info::significand_bits - 1 - beta_minus_1); + } + + static carrier_uint compute_right_endpoint_for_shorter_interval_case( + const cache_entry_type& cache, int beta_minus_1) FMT_NOEXCEPT { + return (cache.high() + + (cache.high() >> (float_info::significand_bits + 1))) >> + (64 - float_info::significand_bits - 1 - beta_minus_1); + } + + static carrier_uint compute_round_up_for_shorter_interval_case( + const cache_entry_type& cache, int beta_minus_1) FMT_NOEXCEPT { + return ((cache.high() >> + (64 - float_info::significand_bits - 2 - beta_minus_1)) + + 1) / + 2; + } +}; + +// Various integer checks +template +bool is_left_endpoint_integer_shorter_interval(int exponent) FMT_NOEXCEPT { + return exponent >= + float_info< + T>::case_shorter_interval_left_endpoint_lower_threshold && + exponent <= + float_info::case_shorter_interval_left_endpoint_upper_threshold; +} +template +bool is_endpoint_integer(typename float_info::carrier_uint two_f, + int exponent, int minus_k) FMT_NOEXCEPT { + if (exponent < float_info::case_fc_pm_half_lower_threshold) return false; + // For k >= 0. + if (exponent <= float_info::case_fc_pm_half_upper_threshold) return true; + // For k < 0. + if (exponent > float_info::divisibility_check_by_5_threshold) return false; + return divisible_by_power_of_5(two_f, minus_k); +} + +template +bool is_center_integer(typename float_info::carrier_uint two_f, int exponent, + int minus_k) FMT_NOEXCEPT { + // Exponent for 5 is negative. + if (exponent > float_info::divisibility_check_by_5_threshold) return false; + if (exponent > float_info::case_fc_upper_threshold) + return divisible_by_power_of_5(two_f, minus_k); + // Both exponents are nonnegative. + if (exponent >= float_info::case_fc_lower_threshold) return true; + // Exponent for 2 is negative. + return divisible_by_power_of_2(two_f, minus_k - exponent + 1); +} + +// Remove trailing zeros from n and return the number of zeros removed (float) +FMT_ALWAYS_INLINE int remove_trailing_zeros(uint32_t& n) FMT_NOEXCEPT { +#ifdef FMT_BUILTIN_CTZ + int t = FMT_BUILTIN_CTZ(n); +#else + int t = ctz(n); +#endif + if (t > float_info::max_trailing_zeros) + t = float_info::max_trailing_zeros; + + const uint32_t mod_inv1 = 0xcccccccd; + const uint32_t max_quotient1 = 0x33333333; + const uint32_t mod_inv2 = 0xc28f5c29; + const uint32_t max_quotient2 = 0x0a3d70a3; + + int s = 0; + for (; s < t - 1; s += 2) { + if (n * mod_inv2 > max_quotient2) break; + n *= mod_inv2; + } + if (s < t && n * mod_inv1 <= max_quotient1) { + n *= mod_inv1; + ++s; + } + n >>= s; + return s; +} + +// Removes trailing zeros and returns the number of zeros removed (double) +FMT_ALWAYS_INLINE int remove_trailing_zeros(uint64_t& n) FMT_NOEXCEPT { +#ifdef FMT_BUILTIN_CTZLL + int t = FMT_BUILTIN_CTZLL(n); +#else + int t = ctzll(n); +#endif + if (t > float_info::max_trailing_zeros) + t = float_info::max_trailing_zeros; + // Divide by 10^8 and reduce to 32-bits + // Since ret_value.significand <= (2^64 - 1) / 1000 < 10^17, + // both of the quotient and the r should fit in 32-bits + + const uint32_t mod_inv1 = 0xcccccccd; + const uint32_t max_quotient1 = 0x33333333; + const uint64_t mod_inv8 = 0xc767074b22e90e21; + const uint64_t max_quotient8 = 0x00002af31dc46118; + + // If the number is divisible by 1'0000'0000, work with the quotient + if (t >= 8) { + auto quotient_candidate = n * mod_inv8; + + if (quotient_candidate <= max_quotient8) { + auto quotient = static_cast(quotient_candidate >> 8); + + int s = 8; + for (; s < t; ++s) { + if (quotient * mod_inv1 > max_quotient1) break; + quotient *= mod_inv1; + } + quotient >>= (s - 8); + n = quotient; + return s; + } + } + + // Otherwise, work with the remainder + auto quotient = static_cast(n / 100000000); + auto remainder = static_cast(n - 100000000 * quotient); + + if (t == 0 || remainder * mod_inv1 > max_quotient1) { + return 0; + } + remainder *= mod_inv1; + + if (t == 1 || remainder * mod_inv1 > max_quotient1) { + n = (remainder >> 1) + quotient * 10000000ull; + return 1; + } + remainder *= mod_inv1; + + if (t == 2 || remainder * mod_inv1 > max_quotient1) { + n = (remainder >> 2) + quotient * 1000000ull; + return 2; + } + remainder *= mod_inv1; + + if (t == 3 || remainder * mod_inv1 > max_quotient1) { + n = (remainder >> 3) + quotient * 100000ull; + return 3; + } + remainder *= mod_inv1; + + if (t == 4 || remainder * mod_inv1 > max_quotient1) { + n = (remainder >> 4) + quotient * 10000ull; + return 4; + } + remainder *= mod_inv1; + + if (t == 5 || remainder * mod_inv1 > max_quotient1) { + n = (remainder >> 5) + quotient * 1000ull; + return 5; + } + remainder *= mod_inv1; + + if (t == 6 || remainder * mod_inv1 > max_quotient1) { + n = (remainder >> 6) + quotient * 100ull; + return 6; + } + remainder *= mod_inv1; + + n = (remainder >> 7) + quotient * 10ull; + return 7; +} + +// The main algorithm for shorter interval case +template +FMT_ALWAYS_INLINE FMT_SAFEBUFFERS decimal_fp shorter_interval_case( + int exponent) FMT_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_minus_1 = 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_minus_1); + auto zi = cache_accessor::compute_right_endpoint_for_shorter_interval_case( + cache, beta_minus_1); + + // 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; + } + + // Otherwise, compute the round-up of y + ret_value.significand = + cache_accessor::compute_round_up_for_shorter_interval_case( + cache, beta_minus_1); + 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; +} + +template +FMT_SAFEBUFFERS decimal_fp to_decimal(T x) FMT_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) << float_info::significand_bits) - 1; + carrier_uint significand = (br & significand_mask); + int exponent = static_cast((br & exponent_mask()) >> + float_info::significand_bits); + + if (exponent != 0) { // Check if normal. + exponent += float_info::exponent_bias - float_info::significand_bits; + + // Shorter interval case; proceed like Schubfach. + if (significand == 0) return shorter_interval_case(exponent); + + significand |= + (static_cast(1) << float_info::significand_bits); + } else { + // Subnormal case; the interval is always regular. + if (significand == 0) return {0, 0}; + exponent = float_info::min_exponent - float_info::significand_bits; + } + + 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_minus_1 = 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_minus_1); + const carrier_uint two_fc = significand << 1; + const carrier_uint two_fr = two_fc | 1; + const carrier_uint zi = + cache_accessor::compute_mul(two_fr << beta_minus_1, 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(zi); + uint32_t r = static_cast(zi - float_info::big_divisor * + ret_value.significand); + + if (r > deltai) { + goto small_divisor_case_label; + } else if (r < deltai) { + // Exclude the right endpoint if necessary + if (r == 0 && !include_right_endpoint && + is_endpoint_integer(two_fr, exponent, minus_k)) { + --ret_value.significand; + r = float_info::big_divisor; + goto small_divisor_case_label; + } + } else { + // r == deltai; compare fractional parts + // Check conditions in the order different from the paper + // to take advantage of short-circuiting + const carrier_uint two_fl = two_fc - 1; + if ((!include_left_endpoint || + !is_endpoint_integer(two_fl, exponent, minus_k)) && + !cache_accessor::compute_mul_parity(two_fl, cache, beta_minus_1)) { + 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; + + // 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; + + const uint32_t mask = (1u << float_info::kappa) - 1; + auto dist = r - (deltai / 2) + (float_info::small_divisor / 2); + + // Is dist divisible by 2^kappa? + if ((dist & mask) == 0) { + const bool approx_y_parity = + ((dist ^ (float_info::small_divisor / 2)) & 1) != 0; + dist >>= float_info::kappa; + + // Is dist divisible by 5^kappa? + if (check_divisibility_and_divide_by_pow5::kappa>(dist)) { + ret_value.significand += dist; + + // 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 + if (cache_accessor::compute_mul_parity(two_fc, cache, beta_minus_1) != + approx_y_parity) { + --ret_value.significand; + } else { + // If z^(f) >= epsilon^(f), we might have a tie + // when z^(f) == epsilon^(f), or equivalently, when y is an integer + if (is_center_integer(two_fc, exponent, minus_k)) { + ret_value.significand = ret_value.significand % 2 == 0 + ? ret_value.significand + : ret_value.significand - 1; + } + } + } + // Is dist not divisible by 5^kappa? + else { + ret_value.significand += dist; + } + } + // Is dist not divisible by 2^kappa? + else { + // Since we know dist is small, we might be able to optimize the division + // better than the compiler; we are computing dist / small_divisor here + ret_value.significand += + small_division_by_pow10::kappa>(dist); + } + return ret_value; +} +} // namespace dragonbox + +// Formats value using a variation of the Fixed-Precision Positive +// Floating-Point Printout ((FPP)^2) algorithm by Steele & White: +// https://fmt.dev/p372-steele.pdf. +template +void fallback_format(Double d, int num_digits, bool binary32, buffer& buf, + int& exp10) { + bigint numerator; // 2 * R in (FPP)^2. + bigint denominator; // 2 * S in (FPP)^2. + // lower and upper are differences between value and corresponding boundaries. + bigint lower; // (M^- in (FPP)^2). + bigint upper_store; // upper's value if different from lower. + bigint* upper = nullptr; // (M^+ in (FPP)^2). + fp value; + // Shift numerator and denominator by an extra bit or two (if lower boundary + // is closer) to make lower and upper integers. This eliminates multiplication + // by 2 during later computations. + const bool is_predecessor_closer = + binary32 ? value.assign(static_cast(d)) : value.assign(d); + int shift = is_predecessor_closer ? 2 : 1; + uint64_t significand = value.f << shift; + if (value.e >= 0) { + numerator.assign(significand); + numerator <<= value.e; + lower.assign(1); + lower <<= value.e; + if (shift != 1) { + upper_store.assign(1); + upper_store <<= value.e + 1; + upper = &upper_store; + } + denominator.assign_pow10(exp10); + denominator <<= shift; + } else if (exp10 < 0) { + numerator.assign_pow10(-exp10); + lower.assign(numerator); + if (shift != 1) { + upper_store.assign(numerator); + upper_store <<= 1; + upper = &upper_store; + } + numerator *= significand; + denominator.assign(1); + denominator <<= shift - value.e; + } else { + numerator.assign(significand); + denominator.assign_pow10(exp10); + denominator <<= shift - value.e; + lower.assign(1); + if (shift != 1) { + upper_store.assign(1ULL << 1); + upper = &upper_store; + } + } + // Invariant: value == (numerator / denominator) * pow(10, exp10). + if (num_digits < 0) { + // Generate the shortest representation. + if (!upper) upper = &lower; + bool even = (value.f & 1) == 0; + 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; + } + } + // Generate the given number of digits. + exp10 -= num_digits - 1; + if (num_digits == 0) { + buf.try_resize(1); + denominator *= 10; + buf[0] = add_compare(numerator, numerator, denominator) > 0 ? '1' : '0'; + 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; + } + 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 +int format_float(T value, int precision, float_specs specs, buffer& buf) { + static_assert(!std::is_same::value, ""); + FMT_ASSERT(value >= 0, "value is negative"); + + const bool fixed = specs.format == float_format::fixed; + if (value <= 0) { // <= instead of == to silence a warning. + if (precision <= 0 || !fixed) { + buf.push_back('0'); + return 0; + } + buf.try_resize(to_unsigned(precision)); + std::uninitialized_fill_n(buf.data(), precision, '0'); + return -precision; + } + + if (!specs.use_grisu) return snprintf_float(value, precision, specs, buf); + + if (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; + } + + // Use Grisu + Dragon4 for the given precision: + // https://www.cs.tufts.edu/~nr/cs257/archive/florian-loitsch/printf.pdf. + int exp = 0; + const int min_exp = -60; // alpha in Grisu. + int cached_exp10 = 0; // K in Grisu. + fp normalized = normalize(fp(value)); + const auto cached_pow = get_cached_power( + min_exp - (normalized.e + fp::significand_size), cached_exp10); + normalized = normalized * cached_pow; + // 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; + fixed_handler handler{buf.data(), 0, precision, -cached_exp10, fixed}; + if (grisu_gen_digits(normalized, 1, exp, handler) == digits::error) { + exp += handler.size - cached_exp10 - 1; + fallback_format(value, handler.precision, specs.binary32, buf, exp); + } else { + exp += handler.exp10; + buf.try_resize(to_unsigned(handler.size)); + } + 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; +} // namespace detail + +template +int snprintf_float(T value, int precision, float_specs specs, + buffer& buf) { + // Buffer capacity must be non-zero, otherwise MSVC's vsnprintf_s will fail. + FMT_ASSERT(buf.capacity() > buf.size(), "empty buffer"); + static_assert(!std::is_same::value, ""); + + // Subtract 1 to account for the difference in precision since we use %e for + // both general and exponent format. + if (specs.format == float_format::general || + specs.format == float_format::exp) + precision = (precision >= 0 ? precision : 6) - 1; + + // Build the format string. + enum { max_format_size = 7 }; // The longest format is "%#.*Le". + char format[max_format_size]; + char* format_ptr = format; + *format_ptr++ = '%'; + if (specs.showpoint && specs.format == float_format::hex) *format_ptr++ = '#'; + if (precision >= 0) { + *format_ptr++ = '.'; + *format_ptr++ = '*'; + } + if (std::is_same()) *format_ptr++ = 'L'; + *format_ptr++ = specs.format != float_format::hex + ? (specs.format == float_format::fixed ? 'f' : 'e') + : (specs.upper ? 'A' : 'a'); + *format_ptr = '\0'; + + // Format using snprintf. + auto offset = buf.size(); + for (;;) { + auto begin = buf.data() + offset; + auto capacity = buf.capacity() - offset; +#ifdef FMT_FUZZ + if (precision > 100000) + throw std::runtime_error( + "fuzz mode - avoid large allocation inside snprintf"); +#endif + // Suppress the warning about a nonliteral format string. + // Cannot use auto 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_reserve(size + offset + 1); // Add 1 for the terminating '\0'. + continue; + } + auto is_digit = [](char c) { return c >= '0' && c <= '9'; }; + if (specs.format == float_format::fixed) { + if (precision == 0) { + buf.try_resize(size); + return 0; + } + // Find and remove the decimal point. + auto end = begin + size, p = end; + do { + --p; + } while (is_digit(*p)); + int fraction_size = static_cast(end - p - 1); + std::memmove(p, p + 1, to_unsigned(fraction_size)); + buf.try_resize(size - 1); + return -fraction_size; + } + if (specs.format == float_format::hex) { + buf.try_resize(size + offset); + return 0; + } + // Find and parse the exponent. + auto end = begin + size, exp_pos = end; + do { + --exp_pos; + } while (*exp_pos != 'e'); + char sign = exp_pos[1]; + assert(sign == '+' || sign == '-'); + int exp = 0; + auto p = exp_pos + 2; // Skip 'e' and sign. + do { + assert(is_digit(*p)); + exp = exp * 10 + (*p++ - '0'); + } while (p != end); + if (sign == '-') exp = -exp; + int fraction_size = 0; + if (exp_pos != begin + 1) { + // Remove trailing zeros. + auto fraction_end = exp_pos - 1; + while (*fraction_end == '0') --fraction_end; + // Move the fractional part left to get rid of the decimal point. + fraction_size = static_cast(fraction_end - begin - 1); + std::memmove(begin + 1, begin + 2, to_unsigned(fraction_size)); + } + buf.try_resize(to_unsigned(fraction_size) + offset + 1); + return exp - fraction_size; + } +} + +// A public domain branchless UTF-8 decoder by Christopher Wellons: +// https://github.com/skeeto/branchless-utf8 +/* Decode the next character, c, from buf, reporting errors in e. + * + * Since this is a branchless decoder, four bytes will be read from the + * buffer regardless of the actual length of the next character. This + * means the buffer _must_ have at least three bytes of zero padding + * following the end of the data stream. + * + * Errors are reported in e, which will be non-zero if the parsed + * character was somehow invalid: invalid byte sequence, non-canonical + * encoding, or a surrogate half. + * + * The function returns a pointer to the next character. When an error + * occurs, this pointer will be a guess that depends on the particular + * error, but it will always advance at least one byte. + */ +inline const char* utf8_decode(const char* buf, uint32_t* c, int* e) { + static const int masks[] = {0x00, 0x7f, 0x1f, 0x0f, 0x07}; + static const uint32_t mins[] = {4194304, 0, 128, 2048, 65536}; + static const int shiftc[] = {0, 18, 12, 6, 0}; + static const int shifte[] = {0, 6, 4, 2, 0}; + + int len = code_point_length(buf); + const char* next = buf + len; + + // Assume a four-byte character and load four bytes. Unused bits are + // shifted out. + auto s = reinterpret_cast(buf); + *c = uint32_t(s[0] & masks[len]) << 18; + *c |= uint32_t(s[1] & 0x3f) << 12; + *c |= uint32_t(s[2] & 0x3f) << 6; + *c |= uint32_t(s[3] & 0x3f) << 0; + *c >>= shiftc[len]; + + // Accumulate the various error conditions. + *e = (*c < mins[len]) << 6; // non-canonical encoding + *e |= ((*c >> 11) == 0x1b) << 7; // surrogate half? + *e |= (*c > 0x10FFFF) << 8; // out of range? + *e |= (s[1] & 0xc0) >> 2; + *e |= (s[2] & 0xc0) >> 4; + *e |= (s[3]) >> 6; + *e ^= 0x2a; // top two bits of each tail byte correct? + *e >>= shifte[len]; + + return next; +} + +struct stringifier { + template FMT_INLINE std::string operator()(T value) const { + return to_string(value); + } + std::string operator()(basic_format_arg::handle h) const { + memory_buffer buf; + format_parse_context parse_ctx({}); + format_context format_ctx(buffer_appender(buf), {}, {}); + h.format(parse_ctx, format_ctx); + return to_string(buf); + } +}; +} // namespace detail + +template <> struct formatter { + format_parse_context::iterator parse(format_parse_context& ctx) { + return ctx.begin(); + } + + format_context::iterator format(const detail::bigint& n, + format_context& ctx) { + auto out = ctx.out(); + bool first = true; + for (auto i = n.bigits_.size(); i > 0; --i) { + auto value = n.bigits_[i - 1u]; + if (first) { + out = format_to(out, "{:x}", value); + first = false; + continue; + } + out = format_to(out, "{:08x}", value); + } + if (n.exp_ > 0) + out = format_to(out, "p{}", n.exp_ * detail::bigint::bigit_bits); + return out; + } +}; + +FMT_FUNC detail::utf8_to_utf16::utf8_to_utf16(string_view s) { + auto transcode = [this](const char* p) { + auto cp = uint32_t(); + auto error = 0; + p = utf8_decode(p, &cp, &error); + if (error != 0) FMT_THROW(std::runtime_error("invalid utf8")); + if (cp <= 0xFFFF) { + buffer_.push_back(static_cast(cp)); + } else { + cp -= 0x10000; + buffer_.push_back(static_cast(0xD800 + (cp >> 10))); + buffer_.push_back(static_cast(0xDC00 + (cp & 0x3FF))); + } + return p; + }; + auto p = s.data(); + const size_t block_size = 4; // utf8_decode always reads blocks of 4 chars. + if (s.size() >= block_size) { + for (auto end = p + s.size() - block_size + 1; p < end;) p = transcode(p); + } + if (auto num_chars_left = s.data() + s.size() - p) { + char buf[2 * block_size - 1] = {}; + memcpy(buf, p, to_unsigned(num_chars_left)); + p = buf; + do { + p = transcode(p); + } while (p - buf < num_chars_left); + } + buffer_.push_back(0); +} + +FMT_FUNC void format_system_error(detail::buffer& out, int error_code, + string_view message) FMT_NOEXCEPT { + FMT_TRY { + memory_buffer buf; + buf.resize(inline_buffer_size); + for (;;) { + char* system_message = &buf[0]; + int result = + detail::safe_strerror(error_code, system_message, buf.size()); + if (result == 0) { + format_to(detail::buffer_appender(out), "{}: {}", message, + system_message); + return; + } + if (result != ERANGE) + break; // Can't get error message, report error code instead. + buf.resize(buf.size() * 2); + } + } + FMT_CATCH(...) {} + format_error_code(out, error_code, message); +} + +FMT_FUNC void detail::error_handler::on_error(const char* message) { + FMT_THROW(format_error(message)); +} + +FMT_FUNC void report_system_error(int error_code, + fmt::string_view message) FMT_NOEXCEPT { + report_error(format_system_error, error_code, message); +} + +FMT_FUNC std::string detail::vformat(string_view format_str, format_args args) { + if (format_str.size() == 2 && equal2(format_str.data(), "{}")) { + auto arg = args.get(0); + if (!arg) error_handler().on_error("argument not found"); + return visit_format_arg(stringifier(), arg); + } + memory_buffer buffer; + detail::vformat_to(buffer, format_str, args); + return to_string(buffer); +} + +#ifdef _WIN32 +namespace detail { +using dword = conditional_t; +extern "C" __declspec(dllimport) int __stdcall WriteConsoleW( // + void*, const void*, dword, dword*, void*); +} // namespace detail +#endif + +FMT_FUNC void vprint(std::FILE* f, string_view format_str, format_args args) { + memory_buffer buffer; + detail::vformat_to(buffer, format_str, + basic_format_args>(args)); +#ifdef _WIN32 + auto fd = _fileno(f); + if (_isatty(fd)) { + detail::utf8_to_utf16 u16(string_view(buffer.data(), buffer.size())); + auto written = detail::dword(); + if (!detail::WriteConsoleW(reinterpret_cast(_get_osfhandle(fd)), + u16.c_str(), static_cast(u16.size()), + &written, nullptr)) { + FMT_THROW(format_error("failed to write to console")); + } + return; + } +#endif + detail::fwrite_fully(buffer.data(), 1, buffer.size(), f); +} + +#ifdef _WIN32 +// Print assuming legacy (non-Unicode) encoding. +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); +} +#endif + +FMT_FUNC void vprint(string_view format_str, format_args args) { + vprint(stdout, format_str, args); +} + +FMT_END_NAMESPACE + +#endif // FMT_FORMAT_INL_H_ diff --git a/NorthstarDedicatedTest/include/spdlog/fmt/bundled/format.h b/NorthstarDedicatedTest/include/spdlog/fmt/bundled/format.h new file mode 100644 index 00000000..1a037b02 --- /dev/null +++ b/NorthstarDedicatedTest/include/spdlog/fmt/bundled/format.h @@ -0,0 +1,3960 @@ +/* + Formatting library for C++ + + Copyright (c) 2012 - present, Victor Zverovich + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + "Software"), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be + included in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE + LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION + OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION + WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + + --- Optional exception to the license --- + + As an exception, if, as a result of your compiling your source code, portions + of this Software are embedded into a machine-executable object form of such + source code, you may redistribute such embedded portions in such object form + without including the above copyright and permission notices. + */ + +#ifndef FMT_FORMAT_H_ +#define FMT_FORMAT_H_ + +#include +#include +#include +#include +#include +#include +#include + +#include "core.h" + +#ifdef __INTEL_COMPILER +# define FMT_ICC_VERSION __INTEL_COMPILER +#elif defined(__ICL) +# define FMT_ICC_VERSION __ICL +#else +# define FMT_ICC_VERSION 0 +#endif + +#ifdef __NVCC__ +# define FMT_CUDA_VERSION (__CUDACC_VER_MAJOR__ * 100 + __CUDACC_VER_MINOR__) +#else +# define FMT_CUDA_VERSION 0 +#endif + +#ifdef __has_builtin +# define FMT_HAS_BUILTIN(x) __has_builtin(x) +#else +# define FMT_HAS_BUILTIN(x) 0 +#endif + +#if FMT_GCC_VERSION || FMT_CLANG_VERSION +# define FMT_NOINLINE __attribute__((noinline)) +#else +# define FMT_NOINLINE +#endif + +#if __cplusplus == 201103L || __cplusplus == 201402L +# if defined(__INTEL_COMPILER) || defined(__PGI) +# define FMT_FALLTHROUGH +# elif defined(__clang__) +# define FMT_FALLTHROUGH [[clang::fallthrough]] +# elif FMT_GCC_VERSION >= 700 && \ + (!defined(__EDG_VERSION__) || __EDG_VERSION__ >= 520) +# define FMT_FALLTHROUGH [[gnu::fallthrough]] +# else +# define FMT_FALLTHROUGH +# endif +#elif FMT_HAS_CPP17_ATTRIBUTE(fallthrough) || \ + (defined(_MSVC_LANG) && _MSVC_LANG >= 201703L) +# define FMT_FALLTHROUGH [[fallthrough]] +#else +# define FMT_FALLTHROUGH +#endif + +#ifndef FMT_MAYBE_UNUSED +# if FMT_HAS_CPP17_ATTRIBUTE(maybe_unused) +# define FMT_MAYBE_UNUSED [[maybe_unused]] +# else +# define FMT_MAYBE_UNUSED +# endif +#endif + +#ifndef FMT_THROW +# if FMT_EXCEPTIONS +# if FMT_MSC_VER || FMT_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; +} +} // 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 { \ + static_cast(sizeof(x)); \ + FMT_ASSERT(false, ""); \ + } while (false) +# endif +#endif + +#if FMT_EXCEPTIONS +# define FMT_TRY try +# define FMT_CATCH(x) catch (x) +#else +# define FMT_TRY if (true) +# define FMT_CATCH(x) if (false) +#endif + +#ifndef FMT_USE_USER_DEFINED_LITERALS +// 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_VER >= 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 + +#ifndef FMT_USE_UDL_TEMPLATE +// EDG frontend based compilers (icc, nvcc, PGI, etc) and GCC < 6.4 do not +// properly support UDL templates and GCC >= 9 warns about them. +# if FMT_USE_USER_DEFINED_LITERALS && \ + (!defined(__EDG_VERSION__) || __EDG_VERSION__ >= 501) && \ + ((FMT_GCC_VERSION >= 604 && __cplusplus >= 201402L) || \ + FMT_CLANG_VERSION >= 304) && \ + !defined(__PGI) && !defined(__NVCC__) +# define FMT_USE_UDL_TEMPLATE 1 +# else +# define FMT_USE_UDL_TEMPLATE 0 +# endif +#endif + +#ifndef FMT_USE_FLOAT +# define FMT_USE_FLOAT 1 +#endif + +#ifndef FMT_USE_DOUBLE +# define FMT_USE_DOUBLE 1 +#endif + +#ifndef FMT_USE_LONG_DOUBLE +# define FMT_USE_LONG_DOUBLE 1 +#endif + +// Defining FMT_REDUCE_INT_INSTANTIATIONS to 1, will reduce the number of +// int_writer template instances to just one by only using the 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 +#endif + +// __builtin_clz is broken in clang with Microsoft CodeGen: +// https://github.com/fmtlib/fmt/issues/519 +#if (FMT_GCC_VERSION || FMT_HAS_BUILTIN(__builtin_clz)) && !FMT_MSC_VER +# define FMT_BUILTIN_CLZ(n) __builtin_clz(n) +#endif +#if (FMT_GCC_VERSION || FMT_HAS_BUILTIN(__builtin_clzll)) && !FMT_MSC_VER +# define FMT_BUILTIN_CLZLL(n) __builtin_clzll(n) +#endif +#if (FMT_GCC_VERSION || FMT_HAS_BUILTIN(__builtin_ctz)) +# define FMT_BUILTIN_CTZ(n) __builtin_ctz(n) +#endif +#if (FMT_GCC_VERSION || FMT_HAS_BUILTIN(__builtin_ctzll)) +# define FMT_BUILTIN_CTZLL(n) __builtin_ctzll(n) +#endif + +#if FMT_MSC_VER +# include // _BitScanReverse[64], _BitScanForward[64], _umul128 +#endif + +// Some compilers masquerade as both MSVC and GCC-likes or otherwise support +// __builtin_clz and __builtin_clzll, so only define FMT_BUILTIN_CLZ using the +// MSVC intrinsics if the clz and clzll builtins are not available. +#if FMT_MSC_VER && !defined(FMT_BUILTIN_CLZLL) && \ + !defined(FMT_BUILTIN_CTZLL) && !defined(_MANAGED) +FMT_BEGIN_NAMESPACE +namespace detail { +// Avoid Clang with Microsoft CodeGen's -Wunknown-pragmas warning. +# ifndef __clang__ +# pragma intrinsic(_BitScanForward) +# pragma intrinsic(_BitScanReverse) +# endif +# if defined(_WIN64) && !defined(__clang__) +# pragma intrinsic(_BitScanForward64) +# pragma intrinsic(_BitScanReverse64) +# endif + +inline int clz(uint32_t x) { + unsigned long r = 0; + _BitScanReverse(&r, x); + FMT_ASSERT(x != 0, ""); + // Static analysis complains about using uninitialized data + // "r", but the only way that can happen is if "x" is 0, + // which the callers guarantee to not happen. + FMT_SUPPRESS_MSC_WARNING(6102) + return 31 ^ static_cast(r); +} +# define FMT_BUILTIN_CLZ(n) detail::clz(n) + +inline int clzll(uint64_t x) { + unsigned long r = 0; +# ifdef _WIN64 + _BitScanReverse64(&r, x); +# else + // Scan the high 32 bits. + if (_BitScanReverse(&r, static_cast(x >> 32))) return 63 ^ (r + 32); + // Scan the low 32 bits. + _BitScanReverse(&r, static_cast(x)); +# endif + FMT_ASSERT(x != 0, ""); + FMT_SUPPRESS_MSC_WARNING(6102) // Suppress a bogus static analysis warning. + return 63 ^ static_cast(r); +} +# define FMT_BUILTIN_CLZLL(n) detail::clzll(n) + +inline int ctz(uint32_t x) { + unsigned long r = 0; + _BitScanForward(&r, x); + FMT_ASSERT(x != 0, ""); + FMT_SUPPRESS_MSC_WARNING(6102) // Suppress a bogus static analysis warning. + return static_cast(r); +} +# define FMT_BUILTIN_CTZ(n) detail::ctz(n) + +inline int ctzll(uint64_t x) { + unsigned long r = 0; + FMT_ASSERT(x != 0, ""); + FMT_SUPPRESS_MSC_WARNING(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 + +// Enable the deprecated numeric alignment. +#ifndef FMT_DEPRECATED_NUMERIC_ALIGN +# define FMT_DEPRECATED_NUMERIC_ALIGN 0 +#endif + +FMT_BEGIN_NAMESPACE +namespace detail { + +// An equivalent of `*reinterpret_cast(&source)` that doesn't have +// undefined behavior (e.g. due to type aliasing). +// Example: uint64_t d = bit_cast(2.718); +template +inline Dest bit_cast(const Source& source) { + static_assert(sizeof(Dest) == sizeof(Source), "size mismatch"); + Dest dest; + std::memcpy(&dest, &source, sizeof(dest)); + return dest; +} + +inline bool is_big_endian() { + const auto u = 1u; + struct bytes { + char data[sizeof(u)]; + }; + return bit_cast(u).data[0] == 0; +} + +// A fallback implementation of uintptr_t for systems that lack it. +struct fallback_uintptr { + unsigned char value[sizeof(void*)]; + + fallback_uintptr() = default; + explicit fallback_uintptr(const void* p) { + *this = bit_cast(p); + if (is_big_endian()) { + for (size_t i = 0, j = sizeof(void*) - 1; i < j; ++i, --j) + std::swap(value[i], value[j]); + } + } +}; +#ifdef UINTPTR_MAX +using uintptr_t = ::uintptr_t; +inline uintptr_t to_uintptr(const void* p) { return bit_cast(p); } +#else +using uintptr_t = fallback_uintptr; +inline fallback_uintptr to_uintptr(const void* p) { + return fallback_uintptr(p); +} +#endif + +// Returns the largest possible value for type T. Same as +// std::numeric_limits::max() but shorter and not affected by the max macro. +template constexpr T max_value() { + return (std::numeric_limits::max)(); +} +template constexpr int num_bits() { + return std::numeric_limits::digits; +} +// std::numeric_limits::digits may return 0 for 128-bit ints. +template <> constexpr int num_bits() { return 128; } +template <> constexpr int num_bits() { return 128; } +template <> constexpr int num_bits() { + return static_cast(sizeof(void*) * + std::numeric_limits::digits); +} + +FMT_INLINE void assume(bool condition) { + (void)condition; +#if FMT_HAS_BUILTIN(__builtin_assume) + __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())); + +// A workaround for std::string not having mutable data() until C++17. +template inline Char* get_data(std::basic_string& s) { + return &s[0]; +} +template +inline typename Container::value_type* get_data(Container& c) { + return c.data(); +} + +#if defined(_SECURE_SCL) && _SECURE_SCL +// Make a checked iterator to avoid MSVC warnings. +template using checked_ptr = stdext::checked_array_iterator; +template checked_ptr make_checked(T* p, size_t size) { + return {p, size}; +} +#else +template using checked_ptr = T*; +template inline T* make_checked(T* p, size_t) { return p; } +#endif + +template ::value)> +#if FMT_CLANG_VERSION +__attribute__((no_sanitize("undefined"))) +#endif +inline checked_ptr +reserve(std::back_insert_iterator it, size_t n) { + Container& c = get_container(it); + size_t size = c.size(); + c.resize(size + n); + return make_checked(get_data(c) + size, n); +} + +template +inline buffer_appender reserve(buffer_appender it, size_t n) { + buffer& buf = get_container(it); + buf.try_reserve(buf.size() + n); + return it; +} + +template inline Iterator& reserve(Iterator& it, size_t) { + return it; +} + +template +constexpr T* to_pointer(OutputIt, size_t) { + return nullptr; +} +template T* to_pointer(buffer_appender it, size_t n) { + 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 std::back_insert_iterator base_iterator( + std::back_insert_iterator& it, + checked_ptr) { + return it; +} + +template +inline Iterator base_iterator(Iterator, Iterator it) { + return it; +} + +// 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; + using _Unchecked_type = counting_iterator; // Mark iterator as checked. + + struct value_type { + template void operator=(const T&) {} + }; + + counting_iterator() : count_(0) {} + + size_t count() const { return count_; } + + counting_iterator& operator++() { + ++count_; + return *this; + } + counting_iterator operator++(int) { + auto it = *this; + ++*this; + return it; + } + + friend counting_iterator operator+(counting_iterator it, difference_type n) { + it.count_ += static_cast(n); + return it; + } + + value_type operator*() const { return {}; } +}; + +template class truncating_iterator_base { + protected: + OutputIt out_; + size_t limit_; + size_t count_; + + truncating_iterator_base(OutputIt out, size_t limit) + : out_(out), limit_(limit), count_(0) {} + + public: + using iterator_category = std::output_iterator_tag; + using value_type = typename std::iterator_traits::value_type; + using difference_type = void; + using pointer = void; + using reference = void; + using _Unchecked_type = + truncating_iterator_base; // Mark iterator as checked. + + OutputIt base() const { return out_; } + size_t count() const { return count_; } +}; + +// An output iterator that truncates the output and counts the number of objects +// written to it. +template ::value_type>::type> +class truncating_iterator; + +template +class truncating_iterator + : public truncating_iterator_base { + mutable typename truncating_iterator_base::value_type blackhole_; + + public: + using value_type = typename truncating_iterator_base::value_type; + + truncating_iterator(OutputIt out, size_t limit) + : truncating_iterator_base(out, limit) {} + + truncating_iterator& operator++() { + if (this->count_++ < this->limit_) ++this->out_; + return *this; + } + + truncating_iterator operator++(int) { + auto it = *this; + ++*this; + return it; + } + + value_type& operator*() const { + return this->count_ < this->limit_ ? *this->out_ : blackhole_; + } +}; + +template +class truncating_iterator + : public truncating_iterator_base { + public: + truncating_iterator(OutputIt out, size_t limit) + : truncating_iterator_base(out, limit) {} + + template truncating_iterator& operator=(T val) { + if (this->count_++ < this->limit_) *this->out_++ = val; + return *this; + } + + truncating_iterator& operator++() { return *this; } + truncating_iterator& operator++(int) { return *this; } + truncating_iterator& operator*() { return *this; } +}; + +template +inline size_t count_code_points(basic_string_view s) { + return s.size(); +} + +// Counts the number of code points in a UTF-8 string. +inline size_t count_code_points(basic_string_view s) { + const char* data = s.data(); + size_t num_code_points = 0; + for (size_t i = 0, size = s.size(); i != size; ++i) { + if ((data[i] & 0xc0) != 0x80) ++num_code_points; + } + return num_code_points; +} + +inline size_t count_code_points(basic_string_view s) { + return count_code_points(basic_string_view( + reinterpret_cast(s.data()), s.size())); +} + +template +inline size_t code_point_index(basic_string_view s, size_t n) { + size_t size = s.size(); + return n < size ? n : size; +} + +// Calculates the index of the nth code point in a UTF-8 string. +inline size_t code_point_index(basic_string_view s, size_t n) { + const char8_type* data = s.data(); + size_t num_code_points = 0; + for (size_t i = 0, size = s.size(); i != size; ++i) { + if ((data[i] & 0xc0) != 0x80 && ++num_code_points > n) { + return i; + } + } + return s.size(); +} + +template +using needs_conversion = bool_constant< + std::is_same::value_type, + char>::value && + std::is_same::value>; + +template ::value)> +OutputIt copy_str(InputIt begin, InputIt end, OutputIt it) { + return std::copy(begin, end, it); +} + +template ::value)> +OutputIt copy_str(InputIt begin, InputIt end, OutputIt it) { + return std::transform(begin, end, it, + [](char c) { return static_cast(c); }); +} + +template +inline counting_iterator copy_str(InputIt begin, InputIt end, + counting_iterator it) { + return it + (end - begin); +} + +template +using is_fast_float = bool_constant::is_iec559 && + sizeof(T) <= sizeof(double)>; + +#ifndef FMT_USE_FULL_CACHE_DRAGONBOX +# define FMT_USE_FULL_CACHE_DRAGONBOX 0 +#endif + +template +template +void buffer::append(const U* begin, const U* end) { + do { + 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; + } while (begin != end); +} + +template +void iterator_buffer::flush() { + out_ = std::copy_n(data_, this->limit(this->size()), out_); + this->clear(); +} +} // namespace detail + +// The number of characters to store in the basic_memory_buffer object itself +// to avoid dynamic memory allocation. +enum { inline_buffer_size = 500 }; + +/** + \rst + A dynamically growing memory buffer for trivially copyable/constructible types + with the first ``SIZE`` elements stored in the object itself. + + You can use one of the following type aliases for common character types: + + +----------------+------------------------------+ + | Type | Definition | + +================+==============================+ + | memory_buffer | basic_memory_buffer | + +----------------+------------------------------+ + | wmemory_buffer | basic_memory_buffer | + +----------------+------------------------------+ + + **Example**:: + + fmt::memory_buffer out; + format_to(out, "The answer is {}.", 42); + + This will append the following output to the ``out`` object: + + .. code-block:: none + + The answer is 42. + + The output can be converted to an ``std::string`` with ``to_string(out)``. + \endrst + */ +template > +class basic_memory_buffer 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. + void deallocate() { + T* data = this->data(); + if (data != store_) alloc_.deallocate(data, this->capacity()); + } + + protected: + void grow(size_t size) final FMT_OVERRIDE; + + public: + using value_type = T; + using const_reference = const T&; + + explicit basic_memory_buffer(const Allocator& alloc = Allocator()) + : alloc_(alloc) { + this->set(store_, SIZE); + } + ~basic_memory_buffer() { deallocate(); } + + private: + // Move data from other to this buffer. + 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); + std::uninitialized_copy(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); + } + this->resize(size); + } + + public: + /** + \rst + Constructs a :class:`fmt::basic_memory_buffer` object moving the content + of the other object to it. + \endrst + */ + basic_memory_buffer(basic_memory_buffer&& other) FMT_NOEXCEPT { move(other); } + + /** + \rst + Moves the content of the other ``basic_memory_buffer`` object to this one. + \endrst + */ + basic_memory_buffer& operator=(basic_memory_buffer&& other) FMT_NOEXCEPT { + FMT_ASSERT(this != &other, ""); + deallocate(); + move(other); + return *this; + } + + // Returns a copy of the allocator associated with this buffer. + Allocator get_allocator() const { return alloc_; } + + /** + Resizes the buffer to contain *count* elements. If T is a POD type new + elements may not be initialized. + */ + 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 +void basic_memory_buffer::grow(size_t size) { +#ifdef FMT_FUZZ + if (size > 5000) throw std::runtime_error("fuzz mode - won't grow that much"); +#endif + size_t old_capacity = this->capacity(); + size_t new_capacity = old_capacity + old_capacity / 2; + if (size > new_capacity) new_capacity = size; + T* old_data = this->data(); + T* new_data = + std::allocator_traits::allocate(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; +using wmemory_buffer = basic_memory_buffer; + +template +struct is_contiguous> : std::true_type { +}; + +/** A formatting error such as invalid format string. */ +FMT_CLASS_API +class FMT_API format_error : public std::runtime_error { + public: + explicit format_error(const char* message) : std::runtime_error(message) {} + explicit format_error(const std::string& message) + : std::runtime_error(message) {} + format_error(const format_error&) = default; + format_error& operator=(const format_error&) = default; + format_error(format_error&&) = default; + format_error& operator=(format_error&&) = default; + ~format_error() FMT_NOEXCEPT FMT_OVERRIDE; +}; + +namespace detail { + +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)> +FMT_CONSTEXPR bool is_negative(T value) { + return value < 0; +} +template ::value)> +FMT_CONSTEXPR bool is_negative(T) { + return false; +} + +template ::value)> +FMT_CONSTEXPR bool is_supported_floating_point(T) { + return (std::is_same::value && FMT_USE_FLOAT) || + (std::is_same::value && FMT_USE_DOUBLE) || + (std::is_same::value && FMT_USE_LONG_DOUBLE); +} + +// Smallest of uint32_t, uint64_t, uint128_t that is large enough to +// represent all values of an integral type T. +template +using uint32_or_64_or_128_t = + conditional_t() <= 32 && !FMT_REDUCE_INT_INSTANTIATIONS, + uint32_t, + conditional_t() <= 64, uint64_t, uint128_t>>; + +// 128-bit integer type used internally +struct FMT_EXTERN_TEMPLATE_API uint128_wrapper { + uint128_wrapper() = default; + +#if FMT_USE_INT128 + uint128_t internal_; + + uint128_wrapper(uint64_t high, uint64_t low) FMT_NOEXCEPT + : internal_{static_cast(low) | + (static_cast(high) << 64)} {} + + uint128_wrapper(uint128_t u) : internal_{u} {} + + uint64_t high() const FMT_NOEXCEPT { return uint64_t(internal_ >> 64); } + uint64_t low() const FMT_NOEXCEPT { return uint64_t(internal_); } + + uint128_wrapper& operator+=(uint64_t n) FMT_NOEXCEPT { + internal_ += n; + return *this; + } +#else + uint64_t high_; + uint64_t low_; + + uint128_wrapper(uint64_t high, uint64_t low) FMT_NOEXCEPT : high_{high}, + low_{low} {} + + uint64_t high() const FMT_NOEXCEPT { return high_; } + uint64_t low() const FMT_NOEXCEPT { return low_; } + + uint128_wrapper& operator+=(uint64_t n) FMT_NOEXCEPT { +# if defined(_MSC_VER) && defined(_M_X64) + unsigned char carry = _addcarry_u64(0, low_, n, &low_); + _addcarry_u64(carry, high_, 0, &high_); + return *this; +# else + uint64_t sum = low_ + n; + high_ += (sum < low_ ? 1 : 0); + low_ = sum; + return *this; +# endif + } +#endif +}; + +// Table entry type for divisibility test used internally +template struct FMT_EXTERN_TEMPLATE_API divtest_table_entry { + T mod_inv; + T max_quotient; +}; + +// Static data is placed in this class template for the header-only config. +template struct FMT_EXTERN_TEMPLATE_API basic_data { + static const uint64_t powers_of_10_64[]; + static const uint32_t zero_or_powers_of_10_32_new[]; + static const uint64_t zero_or_powers_of_10_64_new[]; + static const uint64_t grisu_pow10_significands[]; + static const int16_t grisu_pow10_exponents[]; + static const divtest_table_entry divtest_table_for_pow5_32[]; + static const divtest_table_entry divtest_table_for_pow5_64[]; + static const uint64_t dragonbox_pow10_significands_64[]; + static const uint128_wrapper dragonbox_pow10_significands_128[]; + // log10(2) = 0x0.4d104d427de7fbcc... + static const uint64_t log10_2_significand = 0x4d104d427de7fbcc; +#if !FMT_USE_FULL_CACHE_DRAGONBOX + static const uint64_t powers_of_5_64[]; + static const uint32_t dragonbox_pow10_recovery_errors[]; +#endif + // GCC generates slightly better code for pairs than chars. + using digit_pair = char[2]; + static const digit_pair digits[]; + static const char hex_digits[]; + static const char foreground_color[]; + static const char background_color[]; + static const char reset_color[5]; + static const wchar_t wreset_color[5]; + static const char signs[]; + static const char left_padding_shifts[5]; + static const char right_padding_shifts[5]; + + // DEPRECATED! These are for ABI compatibility. + static const uint32_t zero_or_powers_of_10_32[]; + static const uint64_t zero_or_powers_of_10_64[]; +}; + +// Maps bsr(n) to ceil(log10(pow(2, bsr(n) + 1) - 1)). +// This is a function instead of an array to workaround a bug in GCC10 (#1810). +FMT_INLINE uint16_t bsr2log10(int bsr) { + static constexpr uint16_t data[] = { + 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}; + return data[bsr]; +} + +#ifndef FMT_EXPORTED +FMT_EXTERN template struct basic_data; +#endif + +// This is a struct rather than an alias to avoid shadowing warnings in gcc. +struct data : basic_data<> {}; + +#ifdef FMT_BUILTIN_CLZLL +// Returns the number of decimal digits in n. Leading zeros are not counted +// except for n == 0 in which case count_digits returns 1. +inline int count_digits(uint64_t n) { + // https://github.com/fmtlib/format-benchmark/blob/master/digits10 + auto t = bsr2log10(FMT_BUILTIN_CLZLL(n | 1) ^ 63); + return t - (n < data::zero_or_powers_of_10_64_new[t]); +} +#else +// Fallback version of count_digits used when __builtin_clz is not available. +inline int count_digits(uint64_t n) { + int count = 1; + for (;;) { + // Integer division is slow so do it for a group of four digits instead + // of for every digit. The idea comes from the talk by Alexandrescu + // "Three Optimization Tips for C++". See speed-test for a comparison. + if (n < 10) return count; + if (n < 100) return count + 1; + if (n < 1000) return count + 2; + if (n < 10000) return count + 3; + n /= 10000u; + count += 4; + } +} +#endif + +#if FMT_USE_INT128 +inline int count_digits(uint128_t n) { + int count = 1; + for (;;) { + // Integer division is slow so do it for a group of four digits instead + // of for every digit. The idea comes from the talk by Alexandrescu + // "Three Optimization Tips for C++". See speed-test for a comparison. + if (n < 10) return count; + if (n < 100) return count + 1; + if (n < 1000) return count + 2; + if (n < 10000) return count + 3; + n /= 10000U; + count += 4; + } +} +#endif + +// Counts the number of digits in n. BITS = log2(radix). +template inline int count_digits(UInt n) { + int num_digits = 0; + do { + ++num_digits; + } while ((n >>= BITS) != 0); + return num_digits; +} + +template <> int count_digits<4>(detail::fallback_uintptr n); + +#if FMT_GCC_VERSION || FMT_CLANG_VERSION +# define FMT_ALWAYS_INLINE inline __attribute__((always_inline)) +#elif FMT_MSC_VER +# define FMT_ALWAYS_INLINE __forceinline +#else +# define FMT_ALWAYS_INLINE inline +#endif + +// To suppress unnecessary security cookie checks +#if FMT_MSC_VER && !FMT_CLANG_VERSION +# define FMT_SAFEBUFFERS __declspec(safebuffers) +#else +# define FMT_SAFEBUFFERS +#endif + +#ifdef FMT_BUILTIN_CLZ +// Optional version of count_digits for better performance on 32-bit platforms. +inline int count_digits(uint32_t n) { + auto t = bsr2log10(FMT_BUILTIN_CLZ(n | 1) ^ 31); + return t - (n < data::zero_or_powers_of_10_32_new[t]); +} +#endif + +template constexpr int digits10() FMT_NOEXCEPT { + return std::numeric_limits::digits10; +} +template <> constexpr int digits10() FMT_NOEXCEPT { return 38; } +template <> constexpr int digits10() FMT_NOEXCEPT { return 38; } + +template FMT_API std::string grouping_impl(locale_ref loc); +template inline std::string grouping(locale_ref loc) { + return grouping_impl(loc); +} +template <> inline std::string grouping(locale_ref loc) { + return grouping_impl(loc); +} + +template FMT_API Char thousands_sep_impl(locale_ref loc); +template inline Char thousands_sep(locale_ref loc) { + return Char(thousands_sep_impl(loc)); +} +template <> inline wchar_t thousands_sep(locale_ref loc) { + return thousands_sep_impl(loc); +} + +template FMT_API Char decimal_point_impl(locale_ref loc); +template inline Char decimal_point(locale_ref loc) { + return Char(decimal_point_impl(loc)); +} +template <> inline wchar_t decimal_point(locale_ref loc) { + return decimal_point_impl(loc); +} + +// Compares two characters for equality. +template bool equal2(const Char* lhs, const char* rhs) { + return lhs[0] == rhs[0] && lhs[1] == rhs[1]; +} +inline bool equal2(const char* lhs, const char* rhs) { + return memcmp(lhs, rhs, 2) == 0; +} + +// Copies two characters from src to dst. +template void copy2(Char* dst, const char* src) { + *dst++ = static_cast(*src++); + *dst = static_cast(*src); +} +FMT_INLINE void copy2(char* dst, const char* src) { memcpy(dst, src, 2); } + +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 +inline format_decimal_result format_decimal(Char* out, UInt value, + int size) { + 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, data::digits[value % 100]); + value /= 100; + } + if (value < 10) { + *--out = static_cast('0' + value); + return {out, end}; + } + out -= 2; + copy2(out, data::digits[value]); + return {out, end}; +} + +template >::value)> +inline format_decimal_result format_decimal(Iterator out, UInt value, + int size) { + // 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(buffer, end, out)}; +} + +template +inline Char* format_uint(Char* buffer, UInt value, int num_digits, + bool upper = false) { + buffer += num_digits; + Char* end = buffer; + do { + const char* digits = upper ? "0123456789ABCDEF" : data::hex_digits; + unsigned digit = (value & ((1 << BASE_BITS) - 1)); + *--buffer = static_cast(BASE_BITS < 4 ? static_cast('0' + digit) + : digits[digit]); + } while ((value >>= BASE_BITS) != 0); + return end; +} + +template +Char* format_uint(Char* buffer, detail::fallback_uintptr n, int num_digits, + bool = false) { + auto char_digits = std::numeric_limits::digits / 4; + int start = (num_digits + char_digits - 1) / char_digits - 1; + if (int start_digits = num_digits % char_digits) { + unsigned value = n.value[start--]; + buffer = format_uint(buffer, value, start_digits); + } + for (; start >= 0; --start) { + unsigned value = n.value[start]; + buffer += char_digits; + auto p = buffer; + for (int i = 0; i < char_digits; ++i) { + unsigned digit = (value & ((1 << BASE_BITS) - 1)); + *--p = static_cast(data::hex_digits[digit]); + value >>= BASE_BITS; + } + } + return buffer; +} + +template +inline It format_uint(It out, UInt value, int num_digits, bool upper = false) { + 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(buffer, buffer + num_digits, out); +} + +// A converter from UTF-8 to UTF-16. +class utf8_to_utf16 { + private: + wmemory_buffer buffer_; + + public: + FMT_API explicit utf8_to_utf16(string_view s); + operator wstring_view() const { return {&buffer_[0], size()}; } + size_t size() const { return buffer_.size() - 1; } + const wchar_t* c_str() const { return &buffer_[0]; } + std::wstring str() const { return {&buffer_[0], size()}; } +}; + +template struct null {}; + +// Workaround an array initialization issue in gcc 4.8. +template struct fill_t { + private: + enum { max_size = 4 }; + Char data_[max_size] = {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) { + FMT_THROW(format_error("invalid fill")); + return; + } + for (size_t i = 0; i < size; ++i) data_[i] = s[i]; + size_ = static_cast(size); + } + + size_t size() const { return size_; } + const Char* data() const { return data_; } + + FMT_CONSTEXPR Char& operator[](size_t index) { return data_[index]; } + FMT_CONSTEXPR const Char& operator[](size_t index) const { + return data_[index]; + } +}; +} // namespace detail + +// We cannot use enum classes as bit fields because of a gcc bug +// https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61414. +namespace align { +enum type { none, left, right, center, numeric }; +} +using align_t = align::type; + +namespace sign { +enum type { none, minus, plus, space }; +} +using sign_t = sign::type; + +// Format specifiers for built-in and string types. +template struct basic_format_specs { + int width; + int precision; + char type; + align_t align : 4; + sign_t sign : 3; + bool alt : 1; // Alternate form ('#'). + detail::fill_t fill; + + constexpr basic_format_specs() + : width(0), + precision(-1), + type(0), + align(align::none), + sign(sign::none), + alt(false) {} +}; + +using format_specs = basic_format_specs; + +namespace detail { +namespace dragonbox { + +// Type-specific information that Dragonbox uses. +template struct float_info; + +template <> struct float_info { + using carrier_uint = uint32_t; + static const int significand_bits = 23; + static const int exponent_bits = 8; + static const int min_exponent = -126; + static const int max_exponent = 127; + static const int exponent_bias = -127; + static const int decimal_digits = 9; + 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 cache_bits = 64; + static const int divisibility_check_by_5_threshold = 39; + static const int case_fc_pm_half_lower_threshold = -1; + static const int case_fc_pm_half_upper_threshold = 6; + static const int case_fc_lower_threshold = -2; + static const int case_fc_upper_threshold = 6; + static const int case_shorter_interval_left_endpoint_lower_threshold = 2; + static const int case_shorter_interval_left_endpoint_upper_threshold = 3; + static const int shorter_interval_tie_lower_threshold = -35; + static const int shorter_interval_tie_upper_threshold = -35; + static const int max_trailing_zeros = 7; +}; + +template <> struct float_info { + using carrier_uint = uint64_t; + static const int significand_bits = 52; + static const int exponent_bits = 11; + static const int min_exponent = -1022; + static const int max_exponent = 1023; + static const int exponent_bias = -1023; + static const int decimal_digits = 17; + 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 cache_bits = 128; + static const int divisibility_check_by_5_threshold = 86; + static const int case_fc_pm_half_lower_threshold = -2; + static const int case_fc_pm_half_upper_threshold = 9; + static const int case_fc_lower_threshold = -4; + static const int case_fc_upper_threshold = 9; + static const int case_shorter_interval_left_endpoint_lower_threshold = 2; + static const int case_shorter_interval_left_endpoint_upper_threshold = 3; + static const int shorter_interval_tie_lower_threshold = -77; + static const int shorter_interval_tie_upper_threshold = -77; + static const int max_trailing_zeros = 16; +}; + +template struct decimal_fp { + using significand_type = typename float_info::carrier_uint; + significand_type significand; + int exponent; +}; + +template FMT_API decimal_fp to_decimal(T x) FMT_NOEXCEPT; +} // namespace dragonbox + +template +constexpr typename dragonbox::float_info::carrier_uint exponent_mask() { + using uint = typename dragonbox::float_info::carrier_uint; + return ((uint(1) << dragonbox::float_info::exponent_bits) - 1) + << dragonbox::float_info::significand_bits; +} + +// A floating-point presentation format. +enum class float_format : unsigned char { + general, // General: exponent notation or fixed point based on magnitude. + exp, // Exponent notation with the default precision of 6, e.g. 1.2e-3. + fixed, // Fixed point with the default precision of 6, e.g. 0.0012. + hex +}; + +struct float_specs { + int precision; + float_format format : 8; + sign_t sign : 8; + bool upper : 1; + bool locale : 1; + bool binary32 : 1; + bool use_grisu : 1; + bool showpoint : 1; +}; + +// Writes the exponent exp in the form "[+-]d{2,3}" to buffer. +template It write_exponent(int exp, It it) { + FMT_ASSERT(-10000 < exp && exp < 10000, "exponent out of range"); + if (exp < 0) { + *it++ = static_cast('-'); + exp = -exp; + } else { + *it++ = static_cast('+'); + } + if (exp >= 100) { + const char* top = data::digits[exp / 100]; + if (exp >= 1000) *it++ = static_cast(top[0]); + *it++ = static_cast(top[1]); + exp %= 100; + } + const char* d = data::digits[exp]; + *it++ = static_cast(d[0]); + *it++ = static_cast(d[1]); + return it; +} + +template +int format_float(T value, int precision, float_specs specs, buffer& buf); + +// Formats a floating-point number with snprintf. +template +int snprintf_float(T value, int precision, float_specs specs, + buffer& buf); + +template T promote_float(T value) { return value; } +inline double promote_float(float value) { return static_cast(value); } + +template +FMT_CONSTEXPR void handle_int_type_spec(char spec, Handler&& handler) { + switch (spec) { + case 0: + case 'd': + handler.on_dec(); + break; + case 'x': + case 'X': + handler.on_hex(); + break; + case 'b': + case 'B': + handler.on_bin(); + break; + case 'o': + handler.on_oct(); + break; +#ifdef FMT_DEPRECATED_N_SPECIFIER + case 'n': +#endif + case 'L': + handler.on_num(); + break; + case 'c': + handler.on_chr(); + break; + default: + handler.on_error(); + } +} + +template +FMT_CONSTEXPR float_specs parse_float_type_spec( + const basic_format_specs& specs, ErrorHandler&& eh = {}) { + auto result = float_specs(); + result.showpoint = specs.alt; + switch (specs.type) { + case 0: + result.format = float_format::general; + result.showpoint |= specs.precision > 0; + break; + case 'G': + result.upper = true; + FMT_FALLTHROUGH; + case 'g': + result.format = float_format::general; + break; + case 'E': + result.upper = true; + FMT_FALLTHROUGH; + case 'e': + result.format = float_format::exp; + result.showpoint |= specs.precision != 0; + break; + case 'F': + result.upper = true; + FMT_FALLTHROUGH; + case 'f': + result.format = float_format::fixed; + result.showpoint |= specs.precision != 0; + break; + case 'A': + result.upper = true; + FMT_FALLTHROUGH; + case 'a': + result.format = float_format::hex; + break; +#ifdef FMT_DEPRECATED_N_SPECIFIER + case 'n': +#endif + case 'L': + result.locale = true; + break; + default: + eh.on_error("invalid type specifier"); + break; + } + return result; +} + +template +FMT_CONSTEXPR void handle_char_specs(const basic_format_specs* specs, + Handler&& handler) { + if (!specs) return handler.on_char(); + if (specs->type && specs->type != 'c') return handler.on_int(); + if (specs->align == align::numeric || specs->sign != sign::none || specs->alt) + handler.on_error("invalid format specifier for char"); + handler.on_char(); +} + +template +FMT_CONSTEXPR void handle_cstring_type_spec(Char spec, Handler&& handler) { + if (spec == 0 || spec == 's') + handler.on_string(); + else if (spec == 'p') + handler.on_pointer(); + else + handler.on_error("invalid type specifier"); +} + +template +FMT_CONSTEXPR void check_string_type_spec(Char spec, ErrorHandler&& eh) { + if (spec != 0 && spec != 's') eh.on_error("invalid type specifier"); +} + +template +FMT_CONSTEXPR void check_pointer_type_spec(Char spec, ErrorHandler&& eh) { + if (spec != 0 && spec != 'p') eh.on_error("invalid type specifier"); +} + +template class int_type_checker : private ErrorHandler { + public: + FMT_CONSTEXPR explicit int_type_checker(ErrorHandler eh) : ErrorHandler(eh) {} + + FMT_CONSTEXPR void on_dec() {} + FMT_CONSTEXPR void on_hex() {} + FMT_CONSTEXPR void on_bin() {} + FMT_CONSTEXPR void on_oct() {} + FMT_CONSTEXPR void on_num() {} + FMT_CONSTEXPR void on_chr() {} + + FMT_CONSTEXPR void on_error() { + ErrorHandler::on_error("invalid type specifier"); + } +}; + +template +class char_specs_checker : public ErrorHandler { + private: + char type_; + + public: + FMT_CONSTEXPR char_specs_checker(char type, ErrorHandler eh) + : ErrorHandler(eh), type_(type) {} + + FMT_CONSTEXPR void on_int() { + handle_int_type_spec(type_, int_type_checker(*this)); + } + FMT_CONSTEXPR void on_char() {} +}; + +template +class cstring_type_checker : public ErrorHandler { + public: + FMT_CONSTEXPR explicit cstring_type_checker(ErrorHandler eh) + : ErrorHandler(eh) {} + + FMT_CONSTEXPR void on_string() {} + FMT_CONSTEXPR void on_pointer() {} +}; + +template +FMT_NOINLINE OutputIt fill(OutputIt it, size_t n, const fill_t& fill) { + auto fill_size = fill.size(); + if (fill_size == 1) return std::fill_n(it, n, fill[0]); + for (size_t i = 0; i < n; ++i) it = std::copy_n(fill.data(), fill_size, it); + return it; +} + +// 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 +inline OutputIt write_padded(OutputIt out, + const basic_format_specs& specs, size_t size, + size_t width, F&& f) { + 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; + auto* shifts = align == align::left ? data::left_padding_shifts + : data::right_padding_shifts; + size_t left_padding = padding >> shifts[specs.align]; + auto it = reserve(out, size + padding * specs.fill.size()); + it = fill(it, left_padding, specs.fill); + it = f(it); + it = fill(it, padding - left_padding, specs.fill); + return base_iterator(out, it); +} + +template +inline OutputIt write_padded(OutputIt out, + const basic_format_specs& specs, size_t size, + F&& f) { + return write_padded(out, specs, size, size, f); +} + +template +OutputIt write_bytes(OutputIt out, string_view bytes, + const basic_format_specs& specs) { + using iterator = remove_reference_t; + return write_padded(out, specs, bytes.size(), [bytes](iterator it) { + const char* data = bytes.data(); + return copy_str(data, data + bytes.size(), it); + }); +} + +// 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; + + write_int_data(int num_digits, string_view prefix, + const basic_format_specs& specs) + : size(prefix.size() + 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.size() + to_unsigned(specs.precision); + padding = to_unsigned(specs.precision - num_digits); + } + } +}; + +// Writes an integer in the format +// +// where are written by f(it). +template +OutputIt write_int(OutputIt out, int num_digits, string_view prefix, + const basic_format_specs& specs, F f) { + auto data = write_int_data(num_digits, prefix, specs); + using iterator = remove_reference_t; + return write_padded(out, specs, data.size, [=](iterator it) { + if (prefix.size() != 0) + it = copy_str(prefix.begin(), prefix.end(), it); + it = std::fill_n(it, data.padding, static_cast('0')); + return f(it); + }); +} + +template +OutputIt write(OutputIt out, basic_string_view s, + const basic_format_specs& specs) { + 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)); + auto width = specs.width != 0 + ? count_code_points(basic_string_view(data, size)) + : 0; + using iterator = remove_reference_t; + return write_padded(out, specs, size, width, [=](iterator it) { + return copy_str(data, data + size, it); + }); +} + +// The handle_int_type_spec handler that writes an integer. +template struct int_writer { + OutputIt out; + locale_ref locale; + const basic_format_specs& specs; + UInt abs_value; + char prefix[4]; + unsigned prefix_size; + + using iterator = + remove_reference_t(), 0))>; + + string_view get_prefix() const { return string_view(prefix, prefix_size); } + + template + int_writer(OutputIt output, locale_ref loc, Int value, + const basic_format_specs& s) + : out(output), + locale(loc), + specs(s), + abs_value(static_cast(value)), + prefix_size(0) { + static_assert(std::is_same, UInt>::value, ""); + if (is_negative(value)) { + prefix[0] = '-'; + ++prefix_size; + abs_value = 0 - abs_value; + } else if (specs.sign != sign::none && specs.sign != sign::minus) { + prefix[0] = specs.sign == sign::plus ? '+' : ' '; + ++prefix_size; + } + } + + void on_dec() { + auto num_digits = count_digits(abs_value); + out = write_int( + out, num_digits, get_prefix(), specs, [this, num_digits](iterator it) { + return format_decimal(it, abs_value, num_digits).end; + }); + } + + void on_hex() { + if (specs.alt) { + prefix[prefix_size++] = '0'; + prefix[prefix_size++] = specs.type; + } + int num_digits = count_digits<4>(abs_value); + out = write_int(out, num_digits, get_prefix(), specs, + [this, num_digits](iterator it) { + return format_uint<4, Char>(it, abs_value, num_digits, + specs.type != 'x'); + }); + } + + void on_bin() { + if (specs.alt) { + prefix[prefix_size++] = '0'; + prefix[prefix_size++] = static_cast(specs.type); + } + int num_digits = count_digits<1>(abs_value); + out = write_int(out, num_digits, get_prefix(), specs, + [this, num_digits](iterator it) { + return format_uint<1, Char>(it, abs_value, num_digits); + }); + } + + void on_oct() { + int num_digits = count_digits<3>(abs_value); + if (specs.alt && specs.precision <= num_digits && abs_value != 0) { + // Octal prefix '0' is counted as a digit, so only add it if precision + // is not greater than the number of digits. + prefix[prefix_size++] = '0'; + } + out = write_int(out, num_digits, get_prefix(), specs, + [this, num_digits](iterator it) { + return format_uint<3, Char>(it, abs_value, num_digits); + }); + } + + enum { sep_size = 1 }; + + void on_num() { + std::string groups = grouping(locale); + if (groups.empty()) return on_dec(); + auto sep = thousands_sep(locale); + if (!sep) return on_dec(); + int num_digits = count_digits(abs_value); + int size = num_digits, n = num_digits; + std::string::const_iterator group = groups.cbegin(); + while (group != groups.cend() && n > *group && *group > 0 && + *group != max_value()) { + size += sep_size; + n -= *group; + ++group; + } + if (group == groups.cend()) size += sep_size * ((n - 1) / groups.back()); + char digits[40]; + format_decimal(digits, abs_value, num_digits); + basic_memory_buffer buffer; + size += static_cast(prefix_size); + const auto usize = to_unsigned(size); + buffer.resize(usize); + basic_string_view s(&sep, sep_size); + // Index of a decimal digit with the least significant digit having index 0. + int digit_index = 0; + group = groups.cbegin(); + auto p = buffer.data() + size - 1; + for (int i = num_digits - 1; i > 0; --i) { + *p-- = static_cast(digits[i]); + if (*group <= 0 || ++digit_index % *group != 0 || + *group == max_value()) + continue; + if (group + 1 != groups.cend()) { + digit_index = 0; + ++group; + } + std::uninitialized_copy(s.data(), s.data() + s.size(), + make_checked(p, s.size())); + p -= s.size(); + } + *p-- = static_cast(*digits); + if (prefix_size != 0) *p = static_cast('-'); + auto data = buffer.data(); + out = write_padded( + out, specs, usize, usize, + [=](iterator it) { return copy_str(data, data + size, it); }); + } + + void on_chr() { *out++ = static_cast(abs_value); } + + FMT_NORETURN void on_error() { + FMT_THROW(format_error("invalid type specifier")); + } +}; + +template +OutputIt write_nonfinite(OutputIt out, bool isinf, + const basic_format_specs& specs, + const float_specs& fspecs) { + auto str = + isinf ? (fspecs.upper ? "INF" : "inf") : (fspecs.upper ? "NAN" : "nan"); + constexpr size_t str_size = 3; + auto sign = fspecs.sign; + auto size = str_size + (sign ? 1 : 0); + using iterator = remove_reference_t; + return write_padded(out, specs, size, [=](iterator it) { + if (sign) *it++ = static_cast(data::signs[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; +}; + +inline int get_significand_size(const big_decimal_fp& fp) { + return fp.significand_size; +} +template +inline int get_significand_size(const dragonbox::decimal_fp& fp) { + return count_digits(fp.significand); +} + +template +inline OutputIt write_significand(OutputIt out, const char* significand, + int& significand_size) { + return copy_str(significand, significand + significand_size, out); +} +template +inline OutputIt write_significand(OutputIt out, UInt significand, + int significand_size) { + return format_decimal(out, significand, significand_size).end; +} + +template ::value)> +inline Char* write_significand(Char* out, UInt significand, + int significand_size, int integral_size, + Char decimal_point) { + if (!decimal_point) + return format_decimal(out, significand, significand_size).end; + auto end = format_decimal(out + 1, significand, significand_size).end; + if (integral_size == 1) + out[0] = out[1]; + else + std::copy_n(out + 1, integral_size, out); + out[integral_size] = decimal_point; + return end; +} + +template >::value)> +inline OutputIt write_significand(OutputIt out, UInt significand, + int significand_size, int integral_size, + Char decimal_point) { + // 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(buffer, end, out); +} + +template +inline OutputIt write_significand(OutputIt out, const char* significand, + int significand_size, int integral_size, + Char decimal_point) { + out = detail::copy_str(significand, significand + integral_size, out); + if (!decimal_point) return out; + *out++ = decimal_point; + return detail::copy_str(significand + integral_size, + significand + significand_size, out); +} + +template +OutputIt write_float(OutputIt out, const DecimalFP& fp, + const basic_format_specs& specs, float_specs fspecs, + Char decimal_point) { + auto significand = fp.significand; + int significand_size = get_significand_size(fp); + static const Char zero = static_cast('0'); + auto sign = fspecs.sign; + size_t size = to_unsigned(significand_size) + (sign ? 1 : 0); + using iterator = remove_reference_t; + + int output_exp = fp.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 = (std::max)(fspecs.precision - significand_size, 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++ = static_cast(data::signs[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 = std::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 = fp.exponent + significand_size; + if (fp.exponent >= 0) { + // 1234e5 -> 123400000[.0+] + size += to_unsigned(fp.exponent); + int num_zeros = fspecs.precision - exp; +#ifdef FMT_FUZZ + if (num_zeros > 5000) + throw std::runtime_error("fuzz mode - avoiding excessive cpu use"); +#endif + if (fspecs.showpoint) { + if (num_zeros <= 0 && fspecs.format != float_format::fixed) num_zeros = 1; + if (num_zeros > 0) size += to_unsigned(num_zeros); + } + return write_padded(out, specs, size, [&](iterator it) { + if (sign) *it++ = static_cast(data::signs[sign]); + it = write_significand(it, significand, significand_size); + it = std::fill_n(it, fp.exponent, zero); + if (!fspecs.showpoint) return it; + *it++ = decimal_point; + return num_zeros > 0 ? std::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); + return write_padded(out, specs, size, [&](iterator it) { + if (sign) *it++ = static_cast(data::signs[sign]); + it = write_significand(it, significand, significand_size, exp, + decimal_point); + return num_zeros > 0 ? std::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; + } + size += 2 + to_unsigned(num_zeros); + return write_padded(out, specs, size, [&](iterator it) { + if (sign) *it++ = static_cast(data::signs[sign]); + *it++ = zero; + if (num_zeros == 0 && significand_size == 0 && !fspecs.showpoint) return it; + *it++ = decimal_point; + it = std::fill_n(it, num_zeros, zero); + return write_significand(it, significand, significand_size); + }); +} + +template ::value)> +OutputIt write(OutputIt out, T value, basic_format_specs specs, + locale_ref loc = {}) { + if (const_check(!is_supported_floating_point(value))) return out; + float_specs fspecs = parse_float_type_spec(specs); + fspecs.sign = specs.sign; + if (std::signbit(value)) { // value < 0 is false for NaN so use signbit. + fspecs.sign = sign::minus; + value = -value; + } else if (fspecs.sign == sign::minus) { + fspecs.sign = sign::none; + } + + if (!std::isfinite(value)) + return write_nonfinite(out, std::isinf(value), specs, fspecs); + + if (specs.align == align::numeric && fspecs.sign) { + auto it = reserve(out, 1); + *it++ = static_cast(data::signs[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(data::signs[fspecs.sign]); + snprintf_float(promote_float(value), specs.precision, fspecs, buffer); + return write_bytes(out, {buffer.data(), buffer.size()}, specs); + } + int precision = specs.precision >= 0 || !specs.type ? specs.precision : 6; + if (fspecs.format == float_format::exp) { + if (precision == max_value()) + FMT_THROW(format_error("number is too big")); + else + ++precision; + } + if (const_check(std::is_same())) fspecs.binary32 = true; + fspecs.use_grisu = is_fast_float(); + int exp = format_float(promote_float(value), precision, fspecs, buffer); + fspecs.precision = precision; + Char point = + fspecs.locale ? decimal_point(loc) : static_cast('.'); + auto fp = big_decimal_fp{buffer.data(), static_cast(buffer.size()), exp}; + return write_float(out, fp, specs, fspecs, point); +} + +template ::value)> +OutputIt write(OutputIt out, T value) { + if (const_check(!is_supported_floating_point(value))) return out; + + using floaty = conditional_t::value, double, T>; + using uint = typename dragonbox::float_info::carrier_uint; + auto bits = bit_cast(value); + + auto fspecs = float_specs(); + auto sign_bit = bits & (uint(1) << (num_bits() - 1)); + if (sign_bit != 0) { + fspecs.sign = sign::minus; + value = -value; + } + + static const auto specs = basic_format_specs(); + uint mask = exponent_mask(); + if ((bits & mask) == mask) + return write_nonfinite(out, std::isinf(value), specs, fspecs); + + auto dec = dragonbox::to_decimal(static_cast(value)); + return write_float(out, dec, specs, fspecs, static_cast('.')); +} + +template ::value && + !is_fast_float::value)> +inline OutputIt write(OutputIt out, T value) { + return write(out, value, basic_format_specs()); +} + +template +OutputIt write_char(OutputIt out, Char value, + const basic_format_specs& specs) { + using iterator = remove_reference_t; + return write_padded(out, specs, 1, [=](iterator it) { + *it++ = value; + return it; + }); +} + +template +OutputIt write_ptr(OutputIt out, UIntPtr value, + const basic_format_specs* specs) { + int num_digits = count_digits<4>(value); + auto size = to_unsigned(num_digits) + size_t(2); + using iterator = remove_reference_t; + auto write = [=](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))); +} + +template struct is_integral : std::is_integral {}; +template <> struct is_integral : std::true_type {}; +template <> struct is_integral : std::true_type {}; + +template +OutputIt write(OutputIt out, monostate) { + FMT_ASSERT(false, ""); + return out; +} + +template ::value)> +OutputIt write(OutputIt out, string_view value) { + auto it = reserve(out, value.size()); + it = copy_str(value.begin(), value.end(), it); + return base_iterator(out, it); +} + +template +OutputIt write(OutputIt out, basic_string_view value) { + auto it = reserve(out, value.size()); + it = std::copy(value.begin(), value.end(), it); + return base_iterator(out, it); +} + +template +buffer_appender write(buffer_appender out, + basic_string_view value) { + get_container(out).append(value.begin(), value.end()); + return out; +} + +template ::value && + !std::is_same::value && + !std::is_same::value)> +OutputIt write(OutputIt out, T value) { + auto abs_value = static_cast>(value); + bool negative = is_negative(value); + // Don't do -abs_value since it trips unsigned-integer-overflow sanitizer. + if (negative) abs_value = ~abs_value + 1; + int num_digits = count_digits(abs_value); + auto 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 +OutputIt write(OutputIt out, bool value) { + return write(out, string_view(value ? "true" : "false")); +} + +template +OutputIt write(OutputIt out, Char value) { + auto it = reserve(out, 1); + *it++ = value; + return base_iterator(out, it); +} + +template +OutputIt write(OutputIt out, const Char* value) { + if (!value) { + FMT_THROW(format_error("string pointer is null")); + } else { + auto length = std::char_traits::length(value); + out = write(out, basic_string_view(value, length)); + } + return out; +} + +template +OutputIt write(OutputIt out, const void* value) { + return write_ptr(out, to_uintptr(value), nullptr); +} + +template +auto write(OutputIt out, const T& value) -> typename std::enable_if< + mapped_type_constant>::value == + type::custom_type, + OutputIt>::type { + using context_type = basic_format_context; + using formatter_type = + conditional_t::value, + typename context_type::template formatter_type, + fallback_formatter>; + context_type ctx(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 context = basic_format_context; + + OutputIt out; + basic_format_args args; + locale_ref loc; + + template OutputIt operator()(T value) { + return write(out, value); + } + + OutputIt operator()(typename basic_format_arg::handle handle) { + basic_format_parse_context parse_ctx({}); + basic_format_context format_ctx(out, args, loc); + handle.format(parse_ctx, format_ctx); + return format_ctx.out(); + } +}; + +template +class arg_formatter_base { + public: + using iterator = OutputIt; + using char_type = Char; + using format_specs = basic_format_specs; + + private: + iterator out_; + locale_ref locale_; + format_specs* specs_; + + // Attempts to reserve space for n extra characters in the output range. + // Returns a pointer to the reserved range or a reference to out_. + auto reserve(size_t n) -> decltype(detail::reserve(out_, n)) { + return detail::reserve(out_, n); + } + + using reserve_iterator = remove_reference_t(), 0))>; + + template void write_int(T value, const format_specs& spec) { + using uint_type = uint32_or_64_or_128_t; + int_writer w(out_, locale_, value, spec); + handle_int_type_spec(spec.type, w); + out_ = w.out; + } + + void write(char value) { + auto&& it = reserve(1); + *it++ = value; + } + + template ::value)> + void write(Ch value) { + out_ = detail::write(out_, value); + } + + void write(string_view value) { + auto&& it = reserve(value.size()); + it = copy_str(value.begin(), value.end(), it); + } + void write(wstring_view value) { + static_assert(std::is_same::value, ""); + auto&& it = reserve(value.size()); + it = std::copy(value.begin(), value.end(), it); + } + + template + void write(const Ch* s, size_t size, const format_specs& specs) { + auto width = specs.width != 0 + ? count_code_points(basic_string_view(s, size)) + : 0; + out_ = write_padded(out_, specs, size, width, [=](reserve_iterator it) { + return copy_str(s, s + size, it); + }); + } + + template + void write(basic_string_view s, const format_specs& specs = {}) { + out_ = detail::write(out_, s, specs); + } + + void write_pointer(const void* p) { + out_ = write_ptr(out_, to_uintptr(p), specs_); + } + + struct char_spec_handler : ErrorHandler { + arg_formatter_base& formatter; + Char value; + + char_spec_handler(arg_formatter_base& f, Char val) + : formatter(f), value(val) {} + + void on_int() { + // char is only formatted as int if there are specs. + formatter.write_int(static_cast(value), *formatter.specs_); + } + void on_char() { + if (formatter.specs_) + formatter.out_ = write_char(formatter.out_, value, *formatter.specs_); + else + formatter.write(value); + } + }; + + struct cstring_spec_handler : error_handler { + arg_formatter_base& formatter; + const Char* value; + + cstring_spec_handler(arg_formatter_base& f, const Char* val) + : formatter(f), value(val) {} + + void on_string() { formatter.write(value); } + void on_pointer() { formatter.write_pointer(value); } + }; + + protected: + iterator out() { return out_; } + format_specs* specs() { return specs_; } + + void write(bool value) { + if (specs_) + write(string_view(value ? "true" : "false"), *specs_); + else + out_ = detail::write(out_, value); + } + + void write(const Char* value) { + if (!value) { + FMT_THROW(format_error("string pointer is null")); + } else { + auto length = std::char_traits::length(value); + basic_string_view sv(value, length); + specs_ ? write(sv, *specs_) : write(sv); + } + } + + public: + arg_formatter_base(OutputIt out, format_specs* s, locale_ref loc) + : out_(out), locale_(loc), specs_(s) {} + + iterator operator()(monostate) { + FMT_ASSERT(false, "invalid argument type"); + return out_; + } + + template ::value)> + FMT_INLINE iterator operator()(T value) { + if (specs_) + write_int(value, *specs_); + else + out_ = detail::write(out_, value); + return out_; + } + + iterator operator()(Char value) { + handle_char_specs(specs_, + char_spec_handler(*this, static_cast(value))); + return out_; + } + + iterator operator()(bool value) { + if (specs_ && specs_->type) return (*this)(value ? 1 : 0); + write(value != 0); + return out_; + } + + template ::value)> + iterator operator()(T value) { + auto specs = specs_ ? *specs_ : format_specs(); + if (const_check(is_supported_floating_point(value))) + out_ = detail::write(out_, value, specs, locale_); + else + FMT_ASSERT(false, "unsupported float argument type"); + return out_; + } + + iterator operator()(const Char* value) { + if (!specs_) return write(value), out_; + handle_cstring_type_spec(specs_->type, cstring_spec_handler(*this, value)); + return out_; + } + + iterator operator()(basic_string_view value) { + if (specs_) { + check_string_type_spec(specs_->type, error_handler()); + write(value, *specs_); + } else { + write(value); + } + return out_; + } + + iterator operator()(const void* value) { + if (specs_) check_pointer_type_spec(specs_->type, error_handler()); + write_pointer(value); + return out_; + } +}; + +/** The default argument formatter. */ +template +class arg_formatter : public arg_formatter_base { + private: + using char_type = Char; + using base = arg_formatter_base; + using context_type = basic_format_context; + + context_type& ctx_; + basic_format_parse_context* parse_ctx_; + const Char* ptr_; + + public: + using iterator = typename base::iterator; + using format_specs = typename base::format_specs; + + /** + \rst + Constructs an argument formatter object. + *ctx* is a reference to the formatting context, + *specs* contains format specifier information for standard argument types. + \endrst + */ + explicit arg_formatter( + context_type& ctx, + basic_format_parse_context* parse_ctx = nullptr, + format_specs* specs = nullptr, const Char* ptr = nullptr) + : base(ctx.out(), specs, ctx.locale()), + ctx_(ctx), + parse_ctx_(parse_ctx), + ptr_(ptr) {} + + using base::operator(); + + /** Formats an argument of a user-defined type. */ + iterator operator()(typename basic_format_arg::handle handle) { + if (ptr_) advance_to(*parse_ctx_, ptr_); + handle.format(*parse_ctx_, ctx_); + return ctx_.out(); + } +}; + +template FMT_CONSTEXPR bool is_name_start(Char c) { + return ('a' <= c && c <= 'z') || ('A' <= c && c <= 'Z') || '_' == c; +} + +// Parses the range [begin, end) as an unsigned integer. This function assumes +// that the range is non-empty and the first character is a digit. +template +FMT_CONSTEXPR int parse_nonnegative_int(const Char*& begin, const Char* end, + ErrorHandler&& eh) { + FMT_ASSERT(begin != end && '0' <= *begin && *begin <= '9', ""); + unsigned value = 0; + // Convert to unsigned to prevent a warning. + constexpr unsigned max_int = max_value(); + unsigned big = max_int / 10; + do { + // Check for overflow. + if (value > big) { + value = max_int + 1; + break; + } + value = value * 10 + unsigned(*begin - '0'); + ++begin; + } while (begin != end && '0' <= *begin && *begin <= '9'); + if (value > max_int) eh.on_error("number is too big"); + return static_cast(value); +} + +template class custom_formatter { + private: + using char_type = typename Context::char_type; + + basic_format_parse_context& parse_ctx_; + Context& ctx_; + + public: + explicit custom_formatter(basic_format_parse_context& parse_ctx, + Context& ctx) + : parse_ctx_(parse_ctx), ctx_(ctx) {} + + void operator()(typename basic_format_arg::handle h) const { + h.format(parse_ctx_, ctx_); + } + + template void operator()(T) const {} +}; + +template +using is_integer = + bool_constant::value && !std::is_same::value && + !std::is_same::value && + !std::is_same::value>; + +template class width_checker { + public: + explicit FMT_CONSTEXPR width_checker(ErrorHandler& eh) : handler_(eh) {} + + template ::value)> + FMT_CONSTEXPR unsigned long long operator()(T value) { + if (is_negative(value)) handler_.on_error("negative width"); + return static_cast(value); + } + + template ::value)> + FMT_CONSTEXPR unsigned long long operator()(T) { + handler_.on_error("width is not integer"); + return 0; + } + + private: + ErrorHandler& handler_; +}; + +template class precision_checker { + public: + explicit FMT_CONSTEXPR precision_checker(ErrorHandler& eh) : handler_(eh) {} + + template ::value)> + FMT_CONSTEXPR unsigned long long operator()(T value) { + if (is_negative(value)) handler_.on_error("negative precision"); + return static_cast(value); + } + + template ::value)> + FMT_CONSTEXPR unsigned long long operator()(T) { + handler_.on_error("precision is not integer"); + return 0; + } + + private: + ErrorHandler& handler_; +}; + +// A format specifier handler that sets fields in basic_format_specs. +template class specs_setter { + public: + explicit FMT_CONSTEXPR specs_setter(basic_format_specs& specs) + : specs_(specs) {} + + FMT_CONSTEXPR specs_setter(const specs_setter& other) + : specs_(other.specs_) {} + + FMT_CONSTEXPR void on_align(align_t align) { specs_.align = align; } + FMT_CONSTEXPR void on_fill(basic_string_view fill) { + specs_.fill = fill; + } + FMT_CONSTEXPR void on_plus() { specs_.sign = sign::plus; } + FMT_CONSTEXPR void on_minus() { specs_.sign = sign::minus; } + FMT_CONSTEXPR void on_space() { specs_.sign = sign::space; } + FMT_CONSTEXPR void on_hash() { specs_.alt = true; } + + FMT_CONSTEXPR void on_zero() { + specs_.align = align::numeric; + specs_.fill[0] = Char('0'); + } + + FMT_CONSTEXPR void on_width(int width) { specs_.width = width; } + FMT_CONSTEXPR void on_precision(int precision) { + specs_.precision = precision; + } + FMT_CONSTEXPR void end_precision() {} + + FMT_CONSTEXPR void on_type(Char type) { + specs_.type = static_cast(type); + } + + protected: + basic_format_specs& specs_; +}; + +template class numeric_specs_checker { + public: + FMT_CONSTEXPR numeric_specs_checker(ErrorHandler& eh, detail::type arg_type) + : error_handler_(eh), arg_type_(arg_type) {} + + FMT_CONSTEXPR void require_numeric_argument() { + if (!is_arithmetic_type(arg_type_)) + error_handler_.on_error("format specifier requires numeric argument"); + } + + FMT_CONSTEXPR void check_sign() { + require_numeric_argument(); + if (is_integral_type(arg_type_) && arg_type_ != type::int_type && + arg_type_ != type::long_long_type && arg_type_ != type::char_type) { + error_handler_.on_error("format specifier requires signed argument"); + } + } + + FMT_CONSTEXPR void check_precision() { + if (is_integral_type(arg_type_) || arg_type_ == type::pointer_type) + error_handler_.on_error("precision not allowed for this argument type"); + } + + private: + ErrorHandler& error_handler_; + detail::type arg_type_; +}; + +// A format specifier handler that checks if specifiers are consistent with the +// argument type. +template class specs_checker : public Handler { + private: + numeric_specs_checker checker_; + + // Suppress an MSVC warning about using this in initializer list. + FMT_CONSTEXPR Handler& error_handler() { return *this; } + + public: + FMT_CONSTEXPR specs_checker(const Handler& handler, detail::type arg_type) + : Handler(handler), checker_(error_handler(), arg_type) {} + + FMT_CONSTEXPR specs_checker(const specs_checker& other) + : Handler(other), checker_(error_handler(), other.arg_type_) {} + + FMT_CONSTEXPR void on_align(align_t align) { + if (align == align::numeric) checker_.require_numeric_argument(); + Handler::on_align(align); + } + + FMT_CONSTEXPR void on_plus() { + checker_.check_sign(); + Handler::on_plus(); + } + + FMT_CONSTEXPR void on_minus() { + checker_.check_sign(); + Handler::on_minus(); + } + + FMT_CONSTEXPR void on_space() { + checker_.check_sign(); + Handler::on_space(); + } + + FMT_CONSTEXPR void on_hash() { + checker_.require_numeric_argument(); + Handler::on_hash(); + } + + FMT_CONSTEXPR void on_zero() { + checker_.require_numeric_argument(); + Handler::on_zero(); + } + + FMT_CONSTEXPR void end_precision() { checker_.check_precision(); } +}; + +template