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// Copyright 2014 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <algorithm>
#include <string_view>
#include <type_traits>
#include <fmt/format.h>
#include "common/logging/types.h"
// adapted from https://github.com/fmtlib/fmt/issues/2704
// a generic formatter for enum classes (<= 32 bits)
#if FMT_VERSION >= 80100
template <typename T>
struct fmt::formatter<T, std::enable_if_t<std::is_enum_v<T>, char>> : formatter<u32> {
template <typename FormatContext>
auto format(const T& value, FormatContext& ctx) -> decltype(ctx.out()) {
return fmt::formatter<u32>::format(static_cast<u32>(value), ctx);
}
};
#endif
namespace Common::Log {
// trims up to and including the last of ../, ..\, src/, src\ in a string
constexpr const char* TrimSourcePath(std::string_view source) {
const auto rfind = [source](const std::string_view match) {
return source.rfind(match) == source.npos ? 0 : (source.rfind(match) + match.size());
};
auto idx = std::max({rfind("src/"), rfind("src\\"), rfind("../"), rfind("..\\")});
return source.data() + idx;
}
/// Logs a message to the global logger, using fmt
void FmtLogMessageImpl(Class log_class, Level log_level, const char* filename,
unsigned int line_num, const char* function, const char* format,
const fmt::format_args& args);
template <typename... Args>
void FmtLogMessage(Class log_class, Level log_level, const char* filename, unsigned int line_num,
const char* function, const char* format, const Args&... args) {
FmtLogMessageImpl(log_class, log_level, filename, line_num, function, format,
fmt::make_format_args(args...));
}
} // namespace Common::Log
#ifdef _DEBUG
#define LOG_TRACE(log_class, ...) \
Common::Log::FmtLogMessage(Common::Log::Class::log_class, Common::Log::Level::Trace, \
Common::Log::TrimSourcePath(__FILE__), __LINE__, __func__, \
__VA_ARGS__)
#else
#define LOG_TRACE(log_class, fmt, ...) (void(0))
#endif
#define LOG_DEBUG(log_class, ...) \
Common::Log::FmtLogMessage(Common::Log::Class::log_class, Common::Log::Level::Debug, \
Common::Log::TrimSourcePath(__FILE__), __LINE__, __func__, \
__VA_ARGS__)
#define LOG_INFO(log_class, ...) \
Common::Log::FmtLogMessage(Common::Log::Class::log_class, Common::Log::Level::Info, \
Common::Log::TrimSourcePath(__FILE__), __LINE__, __func__, \
__VA_ARGS__)
#define LOG_WARNING(log_class, ...) \
Common::Log::FmtLogMessage(Common::Log::Class::log_class, Common::Log::Level::Warning, \
Common::Log::TrimSourcePath(__FILE__), __LINE__, __func__, \
__VA_ARGS__)
#define LOG_ERROR(log_class, ...) \
Common::Log::FmtLogMessage(Common::Log::Class::log_class, Common::Log::Level::Error, \
Common::Log::TrimSourcePath(__FILE__), __LINE__, __func__, \
__VA_ARGS__)
#define LOG_CRITICAL(log_class, ...) \
Common::Log::FmtLogMessage(Common::Log::Class::log_class, Common::Log::Level::Critical, \
Common::Log::TrimSourcePath(__FILE__), __LINE__, __func__, \
__VA_ARGS__)
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