mirror of
https://github.com/minetest/minetest.git
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172 lines
4.1 KiB
C++
172 lines
4.1 KiB
C++
/*
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Minetest
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Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef DEBUG_HEADER
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#define DEBUG_HEADER
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#include <iostream>
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#include <exception>
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#include "gettime.h"
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#if (defined(WIN32) || defined(_WIN32_WCE))
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#define WIN32_LEAN_AND_MEAN
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#ifndef _WIN32_WINNT
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#define _WIN32_WINNT 0x0501
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#endif
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#include <windows.h>
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#ifdef _MSC_VER
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#include <eh.h>
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#endif
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#define __NORETURN __declspec(noreturn)
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#define __FUNCTION_NAME __FUNCTION__
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#else
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#define __NORETURN __attribute__ ((__noreturn__))
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#define __FUNCTION_NAME __PRETTY_FUNCTION__
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#endif
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// Whether to catch all std::exceptions.
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// Assert will be called on such an event.
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// In debug mode, leave these for the debugger and don't catch them.
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#ifdef NDEBUG
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#define CATCH_UNHANDLED_EXCEPTIONS 1
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#else
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#define CATCH_UNHANDLED_EXCEPTIONS 0
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#endif
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/*
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Debug output
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*/
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#define DTIME (getTimestamp()+": ")
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extern void debugstreams_init(bool disable_stderr, const char *filename);
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extern void debugstreams_deinit();
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// This is used to redirect output to /dev/null
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class Nullstream : public std::ostream {
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public:
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Nullstream():
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std::ostream(0)
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{
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}
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private:
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};
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extern std::ostream dstream;
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extern std::ostream dstream_no_stderr;
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extern Nullstream dummyout;
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/*
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Include assert.h and immediately undef assert so that it can't override
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our assert later on. leveldb/slice.h is a notable offender.
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*/
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#include <assert.h>
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#undef assert
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/*
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Assert
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*/
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__NORETURN extern void assert_fail(
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const char *assertion, const char *file,
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unsigned int line, const char *function);
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#define ASSERT(expr)\
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((expr)\
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? (void)(0)\
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: assert_fail(#expr, __FILE__, __LINE__, __FUNCTION_NAME))
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#define assert(expr) ASSERT(expr)
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/*
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DebugStack
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*/
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#define DEBUG_STACK_SIZE 50
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#define DEBUG_STACK_TEXT_SIZE 300
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extern void debug_stacks_init();
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extern void debug_stacks_print_to(std::ostream &os);
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extern void debug_stacks_print();
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struct DebugStack;
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class DebugStacker
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{
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public:
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DebugStacker(const char *text);
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~DebugStacker();
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private:
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DebugStack *m_stack;
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bool m_overflowed;
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};
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#define DSTACK(msg)\
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DebugStacker __debug_stacker(msg);
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#define DSTACKF(...)\
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char __buf[DEBUG_STACK_TEXT_SIZE];\
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snprintf(__buf,\
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DEBUG_STACK_TEXT_SIZE, __VA_ARGS__);\
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DebugStacker __debug_stacker(__buf);
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/*
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These should be put into every thread
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*/
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#if CATCH_UNHANDLED_EXCEPTIONS == 1
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#define BEGIN_PORTABLE_DEBUG_EXCEPTION_HANDLER try{
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#define END_PORTABLE_DEBUG_EXCEPTION_HANDLER(logstream)\
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}catch(std::exception &e){\
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logstream<<"ERROR: An unhandled exception occurred: "\
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<<e.what()<<std::endl;\
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assert(0);\
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}
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#ifdef _WIN32 // Windows
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#ifdef _MSC_VER // MSVC
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void se_trans_func(unsigned int, EXCEPTION_POINTERS*);
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#define BEGIN_DEBUG_EXCEPTION_HANDLER \
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BEGIN_PORTABLE_DEBUG_EXCEPTION_HANDLER\
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_set_se_translator(se_trans_func);
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#define END_DEBUG_EXCEPTION_HANDLER(logstream) \
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END_PORTABLE_DEBUG_EXCEPTION_HANDLER(logstream)
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#else // Probably mingw
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#define BEGIN_DEBUG_EXCEPTION_HANDLER\
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BEGIN_PORTABLE_DEBUG_EXCEPTION_HANDLER
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#define END_DEBUG_EXCEPTION_HANDLER(logstream)\
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END_PORTABLE_DEBUG_EXCEPTION_HANDLER(logstream)
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#endif
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#else // Posix
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#define BEGIN_DEBUG_EXCEPTION_HANDLER\
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BEGIN_PORTABLE_DEBUG_EXCEPTION_HANDLER
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#define END_DEBUG_EXCEPTION_HANDLER(logstream)\
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END_PORTABLE_DEBUG_EXCEPTION_HANDLER(logstream)
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#endif
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#else
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// Dummy ones
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#define BEGIN_DEBUG_EXCEPTION_HANDLER
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#define END_DEBUG_EXCEPTION_HANDLER(logstream)
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#endif
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#endif // DEBUG_HEADER
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