OpenRCT2/src/openrct2/Diagnostic.h

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/*****************************************************************************
* Copyright (c) 2014-2018 OpenRCT2 developers
*
* For a complete list of all authors, please refer to contributors.md
* Interested in contributing? Visit https://github.com/OpenRCT2/OpenRCT2
*
* OpenRCT2 is licensed under the GNU General Public License version 3.
*****************************************************************************/
#ifndef _DIAGNOSTIC_H_
#define _DIAGNOSTIC_H_
#include <cstdint>
enum DIAGNOSTIC_LEVEL {
DIAGNOSTIC_LEVEL_FATAL,
DIAGNOSTIC_LEVEL_ERROR,
DIAGNOSTIC_LEVEL_WARNING,
DIAGNOSTIC_LEVEL_VERBOSE,
DIAGNOSTIC_LEVEL_INFORMATION,
DIAGNOSTIC_LEVEL_COUNT
};
/**
* Compile-time debug levels.
*
* When compiling, just add -DDEBUG={0,1,2,3} (where 0 means disabled)
* Regardless of DEBUG value, a set of defines will be created:
* - DEBUG_LEVEL_1
* - DEBUG_LEVEL_2
* - DEBUG_LEVEL_3
* which you would use like so:
*
* #if DEBUG_LEVEL_1
* (... some debug code ...)
* #if DEBUG_LEVEL_2
* (... more debug code ...)
* #endif // DEBUG_LEVEL_2
* #endif // DEBUG_LEVEL_1
*
* The defines will be either 0 or 1 so compiler will complain about undefined
* macro if you forget to include the file, which would not happen if we were
* only checking whether the define is present or not.
*/
#if defined(DEBUG)
#if DEBUG > 0
#define DEBUG_LEVEL_1 1
#if DEBUG > 1
#define DEBUG_LEVEL_2 1
#if DEBUG > 2
#define DEBUG_LEVEL_3 1
#else
#define DEBUG_LEVEL_3 0
#endif // DEBUG > 2
#else
#define DEBUG_LEVEL_3 0
#define DEBUG_LEVEL_2 0
#endif // DEBUG > 1
#else
#define DEBUG_LEVEL_1 0
#define DEBUG_LEVEL_2 0
#define DEBUG_LEVEL_3 0
#endif // DEBUG > 0
#else
#define DEBUG_LEVEL_3 0
#define DEBUG_LEVEL_2 0
#define DEBUG_LEVEL_1 0
#endif // defined(DEBUG)
extern bool _log_levels[DIAGNOSTIC_LEVEL_COUNT];
void diagnostic_log(DIAGNOSTIC_LEVEL diagnosticLevel, const char *format, ...);
void diagnostic_log_with_location(DIAGNOSTIC_LEVEL diagnosticLevel, const char *file, const char *function, int32_t line, const char *format, ...);
#ifdef _MSC_VER
#define diagnostic_log_macro(level, format, ...) diagnostic_log_with_location(level, __FILE__, __FUNCTION__, __LINE__, format, ## __VA_ARGS__)
#else
#define diagnostic_log_macro(level, format, ...) diagnostic_log_with_location(level, __FILE__, __func__, __LINE__, format, ## __VA_ARGS__)
#endif // _MSC_VER
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#define log_fatal(format, ...) diagnostic_log_macro(DIAGNOSTIC_LEVEL_FATAL, format, ## __VA_ARGS__)
#define log_error(format, ...) diagnostic_log_macro(DIAGNOSTIC_LEVEL_ERROR, format, ## __VA_ARGS__)
#define log_warning(format, ...) diagnostic_log_macro(DIAGNOSTIC_LEVEL_WARNING, format, ## __VA_ARGS__)
#define log_verbose(format, ...) diagnostic_log(DIAGNOSTIC_LEVEL_VERBOSE, format, ## __VA_ARGS__)
#define log_info(format, ...) diagnostic_log_macro(DIAGNOSTIC_LEVEL_INFORMATION, format, ## __VA_ARGS__)
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#endif