minetest/src/debug.h

96 lines
2.7 KiB
C++

/*
Minetest
Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
This program 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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#pragma once
#include <iostream>
#include <exception>
#include <cassert>
#include "gettime.h"
#include "log.h"
#ifdef _MSC_VER
#define FUNCTION_NAME __FUNCTION__
#else
#define FUNCTION_NAME __PRETTY_FUNCTION__
#endif
// Whether to catch all std::exceptions.
// When "catching", the program will abort with an error message.
// In debug mode, leave these for the debugger and don't catch them.
#ifdef NDEBUG
#define CATCH_UNHANDLED_EXCEPTIONS 1
#else
#define CATCH_UNHANDLED_EXCEPTIONS 0
#endif
/* Abort program execution immediately
*/
[[noreturn]] extern void fatal_error_fn(
const char *msg, const char *file,
unsigned int line, const char *function);
#define FATAL_ERROR(msg) \
fatal_error_fn((msg), __FILE__, __LINE__, FUNCTION_NAME)
#define FATAL_ERROR_IF(expr, msg) \
((expr) \
? fatal_error_fn((msg), __FILE__, __LINE__, FUNCTION_NAME) \
: (void)(0))
/*
sanity_check()
Equivalent to assert() but persists in Release builds (i.e. when NDEBUG is
defined)
*/
[[noreturn]] extern void sanity_check_fn(
const char *assertion, const char *file,
unsigned int line, const char *function);
#define SANITY_CHECK(expr) \
((expr) \
? (void)(0) \
: sanity_check_fn(#expr, __FILE__, __LINE__, FUNCTION_NAME))
#define sanity_check(expr) SANITY_CHECK(expr)
std::string debug_describe_exc(const std::exception &e);
void debug_set_exception_handler();
/*
These should be put into every thread
*/
#if CATCH_UNHANDLED_EXCEPTIONS == 1
#define BEGIN_DEBUG_EXCEPTION_HANDLER try {
#define END_DEBUG_EXCEPTION_HANDLER \
} catch (std::exception &e) { \
std::string e_descr = debug_describe_exc(e); \
errorstream << "An unhandled exception occurred: " \
<< e_descr << std::endl; \
FATAL_ERROR(e_descr.c_str()); \
}
#else
// Dummy ones
#define BEGIN_DEBUG_EXCEPTION_HANDLER
#define END_DEBUG_EXCEPTION_HANDLER
#endif