Ishiiruka/Source/Core/Common/Logging/Log.h

// Copyright 2009 Dolphin Emulator Project
// Licensed under GPLv2+
// Refer to the license.txt file included.

#pragma once

namespace LogTypes
{
enum LOG_TYPE
{
	ACTIONREPLAY,
	AUDIO,
	AUDIO_INTERFACE,
	BOOT,
	COMMANDPROCESSOR,
	COMMON,
	CONSOLE,
	DISCIO,
	DSPHLE,
	DSPLLE,
	DSP_MAIL,
	DSPINTERFACE,
	DVDINTERFACE,
	DYNA_REC,
	EXPANSIONINTERFACE,
	FILEMON,
	GDB_STUB,
	GPFIFO,
	HOST_GPU,
	MASTER_LOG,
	MEMMAP,
	MEMCARD_MANAGER,
	NETPLAY,
	OSHLE,
	OSREPORT,
	PAD,
	PIXELENGINE,
	PROCESSORINTERFACE,
	POWERPC,
	SERIALINTERFACE,
	SLIPPI,
  SLIPPI_ONLINE,
	SP1,
	VIDEO,
	VIDEOINTERFACE,
	WII_IPC,
	WII_IPC_DVD,
	WII_IPC_ES,
	WII_IPC_FILEIO,
	WII_IPC_HID,
	WII_IPC_HLE,
	WII_IPC_NET,
	WII_IPC_SD,
	WII_IPC_SSL,
	WII_IPC_STM,
	WII_IPC_WC24,
	WII_IPC_WIIMOTE,
	WIIMOTE,

	NUMBER_OF_LOGS  // Must be last
};

enum LOG_LEVELS
{
	LNOTICE = 1,   // VERY important information that is NOT errors. Like startup and OSReports.
	LERROR = 2,    // Critical errors
	LWARNING = 3,  // Something is suspicious.
	LINFO = 4,     // General information.
	LDEBUG = 5,    // Detailed debugging - might make things slow.
};

static const char LOG_LEVEL_TO_CHAR[7] = "-NEWID";

}  // namespace

// Short File code taken from https://blog.galowicz.de/2016/02/20/short_file_macro/
static constexpr const char *past_last_slash(const char *str, const char * last_slash)
{
	return *str == '\0' ? last_slash
	                    : *str == '/' || *str == '\\' ? past_last_slash(str + 1, str + 1) : past_last_slash(str + 1, last_slash);
}

static constexpr const char *past_last_slash(const char * str)
{
	return past_last_slash(str, str);
}

void GenericLog(LogTypes::LOG_LEVELS level, LogTypes::LOG_TYPE type, const char* file, int line,
	const char* fmt, ...)
#ifdef __GNUC__
	__attribute__((format(printf, 5, 6)))
#endif
	;

#if defined LOGGING || defined _DEBUG || defined DEBUGFAST
#define MAX_LOGLEVEL LogTypes::LOG_LEVELS::LDEBUG
#else
#ifndef MAX_LOGLEVEL
#define MAX_LOGLEVEL LogTypes::LOG_LEVELS::LINFO
#endif  // loglevel
#endif  // logging

// Let the compiler optimize this out
#define GENERIC_LOG(t, v, ...)                                                                     \
  {                                                                                                \
    if (v <= MAX_LOGLEVEL)                                                                         \
      GenericLog(v, t, past_last_slash(__FILE__), __LINE__, __VA_ARGS__);                                           \
  }

#define ERROR_LOG(t, ...)                                                                          \
  do                                                                                               \
  {                                                                                                \
    GENERIC_LOG(LogTypes::t, LogTypes::LERROR, __VA_ARGS__)                                        \
  } while (0)
#define WARN_LOG(t, ...)                                                                           \
  do                                                                                               \
  {                                                                                                \
    GENERIC_LOG(LogTypes::t, LogTypes::LWARNING, __VA_ARGS__)                                      \
  } while (0)
#define NOTICE_LOG(t, ...)                                                                         \
  do                                                                                               \
  {                                                                                                \
    GENERIC_LOG(LogTypes::t, LogTypes::LNOTICE, __VA_ARGS__)                                       \
  } while (0)
#define INFO_LOG(t, ...)                                                                           \
  do                                                                                               \
  {                                                                                                \
    GENERIC_LOG(LogTypes::t, LogTypes::LINFO, __VA_ARGS__)                                         \
  } while (0)
#define DEBUG_LOG(t, ...)                                                                          \
  do                                                                                               \
  {                                                                                                \
    GENERIC_LOG(LogTypes::t, LogTypes::LDEBUG, __VA_ARGS__)                                        \
  } while (0)