Add whatever I was working on for the last month

1 files changed, 379 insertions, 0 deletions

diff --git a/deps/include/spdlog/logger.h b/deps/include/spdlog/logger.h
new file mode 100644
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+++ b/deps/include/spdlog/logger.h
@@ -0,0 +1,379 @@
+// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.

+// Distributed under the MIT License (http://opensource.org/licenses/MIT)

+

+#pragma once

+

+// Thread safe logger (except for set_error_handler())

+// Has name, log level, vector of std::shared sink pointers and formatter

+// Upon each log write the logger:

+// 1. Checks if its log level is enough to log the message and if yes:

+// 2. Call the underlying sinks to do the job.

+// 3. Each sink use its own private copy of a formatter to format the message

+// and send to its destination.

+//

+// The use of private formatter per sink provides the opportunity to cache some

+// formatted data, and support for different format per sink.

+

+#include <spdlog/common.h>

+#include <spdlog/details/backtracer.h>

+#include <spdlog/details/log_msg.h>

+

+#ifdef SPDLOG_WCHAR_TO_UTF8_SUPPORT

+    #ifndef _WIN32

+        #error SPDLOG_WCHAR_TO_UTF8_SUPPORT only supported on windows

+    #endif

+    #include <spdlog/details/os.h>

+#endif

+

+#include <vector>

+

+#ifndef SPDLOG_NO_EXCEPTIONS

+    #define SPDLOG_LOGGER_CATCH(location)                                                 \

+        catch (const std::exception &ex) {                                                \

+            if (location.filename) {                                                      \

+                err_handler_(fmt_lib::format(SPDLOG_FMT_STRING("{} [{}({})]"), ex.what(), \

+                                             location.filename, location.line));          \

+            } else {                                                                      \

+                err_handler_(ex.what());                                                  \

+            }                                                                             \

+        }                                                                                 \

+        catch (...) {                                                                     \

+            err_handler_("Rethrowing unknown exception in logger");                       \

+            throw;                                                                        \

+        }

+#else

+    #define SPDLOG_LOGGER_CATCH(location)

+#endif

+

+namespace spdlog {

+

+class SPDLOG_API logger {

+public:

+    // Empty logger

+    explicit logger(std::string name)

+        : name_(std::move(name)),

+          sinks_() {}

+

+    // Logger with range on sinks

+    template <typename It>

+    logger(std::string name, It begin, It end)

+        : name_(std::move(name)),

+          sinks_(begin, end) {}

+

+    // Logger with single sink

+    logger(std::string name, sink_ptr single_sink)

+        : logger(std::move(name), {std::move(single_sink)}) {}

+

+    // Logger with sinks init list

+    logger(std::string name, sinks_init_list sinks)

+        : logger(std::move(name), sinks.begin(), sinks.end()) {}

+

+    virtual ~logger() = default;

+

+    logger(const logger &other);

+    logger(logger &&other) SPDLOG_NOEXCEPT;

+    logger &operator=(logger other) SPDLOG_NOEXCEPT;

+    void swap(spdlog::logger &other) SPDLOG_NOEXCEPT;

+

+    template <typename... Args>

+    void log(source_loc loc, level::level_enum lvl, format_string_t<Args...> fmt, Args &&...args) {

+        log_(loc, lvl, details::to_string_view(fmt), std::forward<Args>(args)...);

+    }

+

+    template <typename... Args>

+    void log(level::level_enum lvl, format_string_t<Args...> fmt, Args &&...args) {

+        log(source_loc{}, lvl, fmt, std::forward<Args>(args)...);

+    }

+

+    template <typename T>

+    void log(level::level_enum lvl, const T &msg) {

+        log(source_loc{}, lvl, msg);

+    }

+

+    // T cannot be statically converted to format string (including string_view/wstring_view)

+    template <class T,

+              typename std::enable_if<!is_convertible_to_any_format_string<const T &>::value,

+                                      int>::type = 0>

+    void log(source_loc loc, level::level_enum lvl, const T &msg) {

+        log(loc, lvl, "{}", msg);

+    }

+

+    void log(log_clock::time_point log_time,

+             source_loc loc,

+             level::level_enum lvl,

+             string_view_t msg) {

+        bool log_enabled = should_log(lvl);

+        bool traceback_enabled = tracer_.enabled();

+        if (!log_enabled && !traceback_enabled) {

+            return;

+        }

+

+        details::log_msg log_msg(log_time, loc, name_, lvl, msg);

+        log_it_(log_msg, log_enabled, traceback_enabled);

+    }

+

+    void log(source_loc loc, level::level_enum lvl, string_view_t msg) {

+        bool log_enabled = should_log(lvl);

+        bool traceback_enabled = tracer_.enabled();

+        if (!log_enabled && !traceback_enabled) {

+            return;

+        }

+

+        details::log_msg log_msg(loc, name_, lvl, msg);

+        log_it_(log_msg, log_enabled, traceback_enabled);

+    }

+

+    void log(level::level_enum lvl, string_view_t msg) { log(source_loc{}, lvl, msg); }

+

+    template <typename... Args>

+    void trace(format_string_t<Args...> fmt, Args &&...args) {

+        log(level::trace, fmt, std::forward<Args>(args)...);

+    }

+

+    template <typename... Args>

+    void debug(format_string_t<Args...> fmt, Args &&...args) {

+        log(level::debug, fmt, std::forward<Args>(args)...);

+    }

+

+    template <typename... Args>

+    void info(format_string_t<Args...> fmt, Args &&...args) {

+        log(level::info, fmt, std::forward<Args>(args)...);

+    }

+

+    template <typename... Args>

+    void warn(format_string_t<Args...> fmt, Args &&...args) {

+        log(level::warn, fmt, std::forward<Args>(args)...);

+    }

+

+    template <typename... Args>

+    void error(format_string_t<Args...> fmt, Args &&...args) {

+        log(level::err, fmt, std::forward<Args>(args)...);

+    }

+

+    template <typename... Args>

+    void critical(format_string_t<Args...> fmt, Args &&...args) {

+        log(level::critical, fmt, std::forward<Args>(args)...);

+    }

+

+#ifdef SPDLOG_WCHAR_TO_UTF8_SUPPORT

+    template <typename... Args>

+    void log(source_loc loc, level::level_enum lvl, wformat_string_t<Args...> fmt, Args &&...args) {

+        log_(loc, lvl, details::to_string_view(fmt), std::forward<Args>(args)...);

+    }

+

+    template <typename... Args>

+    void log(level::level_enum lvl, wformat_string_t<Args...> fmt, Args &&...args) {

+        log(source_loc{}, lvl, fmt, std::forward<Args>(args)...);

+    }

+

+    void log(log_clock::time_point log_time,

+             source_loc loc,

+             level::level_enum lvl,

+             wstring_view_t msg) {

+        bool log_enabled = should_log(lvl);

+        bool traceback_enabled = tracer_.enabled();

+        if (!log_enabled && !traceback_enabled) {

+            return;

+        }

+

+        memory_buf_t buf;

+        details::os::wstr_to_utf8buf(wstring_view_t(msg.data(), msg.size()), buf);

+        details::log_msg log_msg(log_time, loc, name_, lvl, string_view_t(buf.data(), buf.size()));

+        log_it_(log_msg, log_enabled, traceback_enabled);

+    }

+

+    void log(source_loc loc, level::level_enum lvl, wstring_view_t msg) {

+        bool log_enabled = should_log(lvl);

+        bool traceback_enabled = tracer_.enabled();

+        if (!log_enabled && !traceback_enabled) {

+            return;

+        }

+

+        memory_buf_t buf;

+        details::os::wstr_to_utf8buf(wstring_view_t(msg.data(), msg.size()), buf);

+        details::log_msg log_msg(loc, name_, lvl, string_view_t(buf.data(), buf.size()));

+        log_it_(log_msg, log_enabled, traceback_enabled);

+    }

+

+    void log(level::level_enum lvl, wstring_view_t msg) { log(source_loc{}, lvl, msg); }

+

+    template <typename... Args>

+    void trace(wformat_string_t<Args...> fmt, Args &&...args) {

+        log(level::trace, fmt, std::forward<Args>(args)...);

+    }

+

+    template <typename... Args>

+    void debug(wformat_string_t<Args...> fmt, Args &&...args) {

+        log(level::debug, fmt, std::forward<Args>(args)...);

+    }

+

+    template <typename... Args>

+    void info(wformat_string_t<Args...> fmt, Args &&...args) {

+        log(level::info, fmt, std::forward<Args>(args)...);

+    }

+

+    template <typename... Args>

+    void warn(wformat_string_t<Args...> fmt, Args &&...args) {

+        log(level::warn, fmt, std::forward<Args>(args)...);

+    }

+

+    template <typename... Args>

+    void error(wformat_string_t<Args...> fmt, Args &&...args) {

+        log(level::err, fmt, std::forward<Args>(args)...);

+    }

+

+    template <typename... Args>

+    void critical(wformat_string_t<Args...> fmt, Args &&...args) {

+        log(level::critical, fmt, std::forward<Args>(args)...);

+    }

+#endif

+

+    template <typename T>

+    void trace(const T &msg) {

+        log(level::trace, msg);

+    }

+

+    template <typename T>

+    void debug(const T &msg) {

+        log(level::debug, msg);

+    }

+

+    template <typename T>

+    void info(const T &msg) {

+        log(level::info, msg);

+    }

+

+    template <typename T>

+    void warn(const T &msg) {

+        log(level::warn, msg);

+    }

+

+    template <typename T>

+    void error(const T &msg) {

+        log(level::err, msg);

+    }

+

+    template <typename T>

+    void critical(const T &msg) {

+        log(level::critical, msg);

+    }

+

+    // return true logging is enabled for the given level.

+    bool should_log(level::level_enum msg_level) const {

+        return msg_level >= level_.load(std::memory_order_relaxed);

+    }

+

+    // return true if backtrace logging is enabled.

+    bool should_backtrace() const { return tracer_.enabled(); }

+

+    void set_level(level::level_enum log_level);

+

+    level::level_enum level() const;

+

+    const std::string &name() const;

+

+    // set formatting for the sinks in this logger.

+    // each sink will get a separate instance of the formatter object.

+    void set_formatter(std::unique_ptr<formatter> f);

+

+    // set formatting for the sinks in this logger.

+    // equivalent to

+    //     set_formatter(make_unique<pattern_formatter>(pattern, time_type))

+    // Note: each sink will get a new instance of a formatter object, replacing the old one.

+    void set_pattern(std::string pattern, pattern_time_type time_type = pattern_time_type::local);

+

+    // backtrace support.

+    // efficiently store all debug/trace messages in a circular buffer until needed for debugging.

+    void enable_backtrace(size_t n_messages);

+    void disable_backtrace();

+    void dump_backtrace();

+

+    // flush functions

+    void flush();

+    void flush_on(level::level_enum log_level);

+    level::level_enum flush_level() const;

+

+    // sinks

+    const std::vector<sink_ptr> &sinks() const;

+

+    std::vector<sink_ptr> &sinks();

+

+    // error handler

+    void set_error_handler(err_handler);

+

+    // create new logger with same sinks and configuration.

+    virtual std::shared_ptr<logger> clone(std::string logger_name);

+

+protected:

+    std::string name_;

+    std::vector<sink_ptr> sinks_;

+    spdlog::level_t level_{level::info};

+    spdlog::level_t flush_level_{level::off};

+    err_handler custom_err_handler_{nullptr};

+    details::backtracer tracer_;

+

+    // common implementation for after templated public api has been resolved

+    template <typename... Args>

+    void log_(source_loc loc, level::level_enum lvl, string_view_t fmt, Args &&...args) {

+        bool log_enabled = should_log(lvl);

+        bool traceback_enabled = tracer_.enabled();

+        if (!log_enabled && !traceback_enabled) {

+            return;

+        }

+        SPDLOG_TRY {

+            memory_buf_t buf;

+#ifdef SPDLOG_USE_STD_FORMAT

+            fmt_lib::vformat_to(std::back_inserter(buf), fmt, fmt_lib::make_format_args(args...));

+#else

+            fmt::vformat_to(fmt::appender(buf), fmt, fmt::make_format_args(args...));

+#endif

+

+            details::log_msg log_msg(loc, name_, lvl, string_view_t(buf.data(), buf.size()));

+            log_it_(log_msg, log_enabled, traceback_enabled);

+        }

+        SPDLOG_LOGGER_CATCH(loc)

+    }

+

+#ifdef SPDLOG_WCHAR_TO_UTF8_SUPPORT

+    template <typename... Args>

+    void log_(source_loc loc, level::level_enum lvl, wstring_view_t fmt, Args &&...args) {

+        bool log_enabled = should_log(lvl);

+        bool traceback_enabled = tracer_.enabled();

+        if (!log_enabled && !traceback_enabled) {

+            return;

+        }

+        SPDLOG_TRY {

+            // format to wmemory_buffer and convert to utf8

+            wmemory_buf_t wbuf;

+            fmt_lib::vformat_to(std::back_inserter(wbuf), fmt,

+                                fmt_lib::make_format_args<fmt_lib::wformat_context>(args...));

+

+            memory_buf_t buf;

+            details::os::wstr_to_utf8buf(wstring_view_t(wbuf.data(), wbuf.size()), buf);

+            details::log_msg log_msg(loc, name_, lvl, string_view_t(buf.data(), buf.size()));

+            log_it_(log_msg, log_enabled, traceback_enabled);

+        }

+        SPDLOG_LOGGER_CATCH(loc)

+    }

+#endif  // SPDLOG_WCHAR_TO_UTF8_SUPPORT

+

+    // log the given message (if the given log level is high enough),

+    // and save backtrace (if backtrace is enabled).

+    void log_it_(const details::log_msg &log_msg, bool log_enabled, bool traceback_enabled);

+    virtual void sink_it_(const details::log_msg &msg);

+    virtual void flush_();

+    void dump_backtrace_();

+    bool should_flush_(const details::log_msg &msg);

+

+    // handle errors during logging.

+    // default handler prints the error to stderr at max rate of 1 message/sec.

+    void err_handler_(const std::string &msg);

+};

+

+void swap(logger &a, logger &b);

+

+}  // namespace spdlog

+

+#ifdef SPDLOG_HEADER_ONLY

+    #include "logger-inl.h"

+#endif