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/* $Id$ */
/*
* This file is part of OpenTTD.
* OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
* OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
*/
/** @file debug.h Functions related to debugging. */
#ifndef DEBUG_H
#define DEBUG_H
/* Debugging messages policy:
* These should be the severities used for direct DEBUG() calls
* maximum debugging level should be 10 if really deep, deep
* debugging is needed.
* (there is room for exceptions, but you have to have a good cause):
* 0 - errors or severe warnings
* 1 - other non-fatal, non-severe warnings
* 2 - crude progress indicator of functionality
* 3 - important debugging messages (function entry)
* 4 - debugging messages (crude loop status, etc.)
* 5 - detailed debugging information
* 6.. - extremely detailed spamming
*/
#ifdef NO_DEBUG_MESSAGES
#define DEBUG(name, level, ...) { }
#else /* NO_DEBUG_MESSAGES */
/**
* Output a line of debugging information.
* @param name Category
* @param level Debugging level, higher levels means more detailed information.
*/
#define DEBUG(name, level, ...) if ((level) == 0 || _debug_ ## name ## _level >= (level)) debug(#name, __VA_ARGS__)
extern int _debug_driver_level;
extern int _debug_grf_level;
extern int _debug_map_level;
extern int _debug_misc_level;
extern int _debug_net_level;
extern int _debug_sprite_level;
extern int _debug_oldloader_level;
extern int _debug_npf_level;
extern int _debug_yapf_level;
extern int _debug_freetype_level;
extern int _debug_script_level;
extern int _debug_sl_level;
extern int _debug_gamelog_level;
extern int _debug_desync_level;
extern int _debug_console_level;
#ifdef RANDOM_DEBUG
extern int _debug_random_level;
#endif
void CDECL debug(const char *dbg, const char *format, ...) WARN_FORMAT(2, 3);
#endif /* NO_DEBUG_MESSAGES */
char *DumpDebugFacilityNames(char *buf, char *last);
void SetDebugString(const char *s);
const char *GetDebugString();
/* Shorter form for passing filename and linenumber */
#define FILE_LINE __FILE__, __LINE__
/**
* Get the tick counter from the CPU (high precision timing).
* @return The count.
*/
uint64 ottd_rdtsc();
/* Used for profiling
*
* Usage:
* TIC();
* --Do your code--
* TOC("A name", 1);
*
* When you run the TIC() / TOC() multiple times, you can increase the '1'
* to only display average stats every N values. Some things to know:
*
* for (int i = 0; i < 5; i++) {
* TIC();
* --Do your code--
* TOC("A name", 5);
* }
*
* Is the correct usage for multiple TIC() / TOC() calls.
*
* TIC() / TOC() creates its own block, so make sure not the mangle
* it with another block.
**/
#define TIC() {\
uint64 _xxx_ = ottd_rdtsc();\
static uint64 __sum__ = 0;\
static uint32 __i__ = 0;
#define TOC(str, count)\
__sum__ += ottd_rdtsc() - _xxx_;\
if (++__i__ == count) {\
DEBUG(misc, 0, "[%s] " OTTD_PRINTF64 " [avg: %.1f]", str, __sum__, __sum__/(double)__i__);\
__i__ = 0;\
__sum__ = 0;\
}\
}
void ShowInfo(const char *str);
void CDECL ShowInfoF(const char *str, ...) WARN_FORMAT(1, 2);
const char *GetLogPrefix();
/** The real time in the game. */
extern uint32 _realtime_tick;
#endif /* DEBUG_H */
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