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authorPerttu Ahola <celeron55@gmail.com>2011-06-18 02:01:51 +0300
committerPerttu Ahola <celeron55@gmail.com>2011-06-18 02:01:51 +0300
commita23f6a1548147102a3ddbe044b27c02eaaae059d (patch)
treebc9ddd5cb30cd1fb3eb040dea5747a1e1b9f88d8 /data/skybox2_dawn.png
parent931474658dacd32d1847b6718e3d5a33ca8f18ab (diff)
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forgot to add mapblock_nodemod.h
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generated by cgit v1.2.3 (git 2.25.1) at 2024-10-01 07:28:08 +0000
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/*
Minetest-c55
Copyright (C) 2010 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 General Public License as published by
the Free Software Foundation; either version 2 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 General Public License for more details.

You should have received a copy of the GNU 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.
*/

#ifndef DEBUG_HEADER
#define DEBUG_HEADER

#include <stdio.h>
#include <jmutex.h>
#include <jmutexautolock.h>
#include <iostream>
#include "common_irrlicht.h"
#include "threads.h"
#include "gettime.h"
#include "constants.h"
#include "exceptions.h"

#ifdef _WIN32
	#define WIN32_LEAN_AND_MEAN
	#include <windows.h>
	#ifdef _MSC_VER
		#include <eh.h>
	#endif
#else
#endif

/*
	Debug output
*/

#define DTIME (getTimestamp()+": ")

#define DEBUGSTREAM_COUNT 2

extern FILE *g_debugstreams[DEBUGSTREAM_COUNT];

extern void debugstreams_init(bool disable_stderr, const char *filename);
extern void debugstreams_deinit();

#define DEBUGPRINT(...)\
{\
	for(int i=0; i<DEBUGSTREAM_COUNT; i++)\
	{\
		if(g_debugstreams[i] != NULL){\
			fprintf(g_debugstreams[i], __VA_ARGS__);\
			fflush(g_debugstreams[i]);\
		}\
	}\
}

class Debugbuf : public std::streambuf
{
public:
	Debugbuf(bool disable_stderr)
	{
		m_disable_stderr = disable_stderr;
	}

	int overflow(int c)
	{
		for(int i=0; i<DEBUGSTREAM_COUNT; i++)
		{
			if(g_debugstreams[i] == stderr && m_disable_stderr)
				continue;
			if(g_debugstreams[i] != NULL)
				(void)fwrite(&c, 1, 1, g_debugstreams[i]);
			//TODO: Is this slow?
			fflush(g_debugstreams[i]);
		}
		
		return c;
	}
	std::streamsize xsputn(const char *s, std::streamsize n)
	{
		for(int i=0; i<DEBUGSTREAM_COUNT; i++)
		{
			if(g_debugstreams[i] == stderr && m_disable_stderr)
				continue;
			if(g_debugstreams[i] != NULL)
				(void)fwrite(s, 1, n, g_debugstreams[i]);
			//TODO: Is this slow?
			fflush(g_debugstreams[i]);
		}

		return n;
	}
	
private:
	bool m_disable_stderr;
};

// This is used to redirect output to /dev/null
class Nullstream : public std::ostream {
public:
	Nullstream():
		std::ostream(0)
	{
	}
private:
};

extern Debugbuf debugbuf;
extern std::ostream dstream;
extern std::ostream dstream_no_stderr;
extern Nullstream dummyout;

/*
	Assert
*/

__NORETURN extern void assert_fail(
		const char *assertion, const char *file,
		unsigned int line, const char *function);

#define ASSERT(expr)\
	((expr)\
	? (void)(0)\
	: assert_fail(#expr, __FILE__, __LINE__, __FUNCTION_NAME))

#define assert(expr) ASSERT(expr)

/*
	DebugStack
*/

#define DEBUG_STACK_SIZE 50
#define DEBUG_STACK_TEXT_SIZE 300

struct DebugStack
{
	DebugStack(threadid_t id);
	void print(FILE *file, bool everything);
	
	threadid_t threadid;
	char stack[DEBUG_STACK_SIZE][DEBUG_STACK_TEXT_SIZE];
	int stack_i; // Points to the lowest empty position
	int stack_max_i; // Highest i that was seen
};

extern core::map<threadid_t, DebugStack*> g_debug_stacks;
extern JMutex g_debug_stacks_mutex;

extern void debug_stacks_init();
extern void debug_stacks_print();

class DebugStacker
{
public:
	DebugStacker(const char *text);
	~DebugStacker();

private:
	DebugStack *m_stack;
	bool m_overflowed;
};

#define DSTACK(msg)\
	DebugStacker __debug_stacker(msg);