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/*
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* This file is part of OpenTTD.
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* 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.
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* 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.
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* 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/>.
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*/
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/** @file debug.h Functions related to debugging. */
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#ifndef DEBUG_H
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#define DEBUG_H
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#include "cpu.h"
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#include <chrono>
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#include "core/format.hpp"
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/* Debugging messages policy:
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* These should be the severities used for direct Debug() calls
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* maximum debugging level should be 10 if really deep, deep
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* debugging is needed.
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* (there is room for exceptions, but you have to have a good cause):
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* 0 - errors or severe warnings
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* 1 - other non-fatal, non-severe warnings
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* 2 - crude progress indicator of functionality
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* 3 - important debugging messages (function entry)
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* 4 - debugging messages (crude loop status, etc.)
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* 5 - detailed debugging information
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* 6.. - extremely detailed spamming
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*/
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/**
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* Ouptut a line of debugging information.
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* @param category The category of debug information.
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* @param level The maximum debug level this message should be shown at. When the debug level for this category is set lower, then the message will not be shown.
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* @param format_string The formatting string of the message.
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*/
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#define Debug(category, level, format_string, ...) do { if ((level) == 0 || _debug_ ## category ## _level >= (level)) DebugPrint(#category, level, fmt::format(FMT_STRING(format_string), ## __VA_ARGS__)); } while (false)
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void DebugPrint(const char *category, int level, const std::string &message);
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extern int _debug_driver_level;
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extern int _debug_grf_level;
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extern int _debug_map_level;
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extern int _debug_misc_level;
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extern int _debug_net_level;
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extern int _debug_sprite_level;
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extern int _debug_oldloader_level;
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extern int _debug_npf_level;
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extern int _debug_yapf_level;
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extern int _debug_fontcache_level;
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extern int _debug_script_level;
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extern int _debug_sl_level;
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extern int _debug_gamelog_level;
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extern int _debug_desync_level;
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extern int _debug_console_level;
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#ifdef RANDOM_DEBUG
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extern int _debug_random_level;
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#endif
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void DumpDebugFacilityNames(std::back_insert_iterator<std::string> &output_iterator);
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void SetDebugString(const char *s, void (*error_func)(const std::string &));
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std::string GetDebugString();
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/* Shorter form for passing filename and linenumber */
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#define FILE_LINE __FILE__, __LINE__
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/** TicToc profiling.
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* Usage:
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* static TicToc::State state("A name", 1);
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* TicToc tt(state);
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* --Do your code--
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*/
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struct TicToc {
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/** Persistent state for TicToc profiling. */
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struct State {
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const std::string_view name;
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const uint32_t max_count;
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uint32_t count = 0;
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uint64_t chrono_sum = 0;
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constexpr State(std::string_view name, uint32_t max_count) : name(name), max_count(max_count) { }
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};
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State &state;
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std::chrono::high_resolution_clock::time_point chrono_start; ///< real time count.
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inline TicToc(State &state) : state(state), chrono_start(std::chrono::high_resolution_clock::now()) { }
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inline ~TicToc()
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{
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this->state.chrono_sum += (std::chrono::duration_cast<std::chrono::microseconds>(std::chrono::high_resolution_clock::now() - this->chrono_start)).count();
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if (++this->state.count == this->state.max_count) {
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Debug(misc, 0, "[{}] {} us [avg: {:.1f} us]", this->state.name, this->state.chrono_sum, this->state.chrono_sum / static_cast<double>(this->state.count));
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this->state.count = 0;
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this->state.chrono_sum = 0;
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}
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}
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};
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void ShowInfoI(const std::string &str);
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#define ShowInfo(format_string, ...) ShowInfoI(fmt::format(FMT_STRING(format_string), ## __VA_ARGS__))
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std::string GetLogPrefix(bool force = false);
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void DebugSendRemoteMessages();
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void DebugReconsiderSendRemoteMessages();
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#endif /* DEBUG_H */
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