#include "global.h"
#include "RageException.h"
#include "RageUtil.h"
#include "RageLog.h"
#include "RageThreads.h"

#include <cstdarg>

#if defined(_WINDOWS) && defined(DEBUG)
#include <windows.h>
#elif defined(MACOSX)
#include "archutils/Darwin/Crash.h"
using CrashHandler::IsDebuggerPresent;
using CrashHandler::DebugBreak;
#endif

static uint64_t g_HandlerThreadID = RageThread::GetInvalidThreadID();
static void (*g_CleanupHandler)( const RString &sError ) = NULL;
void RageException::SetCleanupHandler( void (*pHandler)(const RString &sError) )
{
	g_HandlerThreadID = RageThread::GetCurrentThreadID();
	g_CleanupHandler = pHandler;
}

/* This is no longer actually implemented by throwing an exception, but it acts
 * the same way to code in practice. */
void RageException::Throw( const char *sFmt, ... )
{
	va_list	va;
	va_start( va, sFmt );
	RString error = vssprintf( sFmt, va );
	va_end( va );

	RString msg = ssprintf(
		"\n"
		"//////////////////////////////////////////////////////\n"
		"Exception: %s\n"
		"//////////////////////////////////////////////////////\n",
		error.c_str() );
	if( LOG )
	{
		LOG->Trace( "%s", msg.c_str() );
		LOG->Flush();
	}
	else
	{
		puts( msg );
		fflush( stdout );
	}

#if (defined(WINDOWS) && defined(DEBUG)) || defined(_XDBG) || defined(MACOSX)
	if( IsDebuggerPresent() )
		DebugBreak();
#endif

	ASSERT_M( g_HandlerThreadID == RageThread::GetInvalidThreadID() || g_HandlerThreadID == RageThread::GetCurrentThreadID(),
		  ssprintf("RageException::Throw() on another thread: %s", error.c_str()) );
	if( g_CleanupHandler != NULL )
		g_CleanupHandler( error );

	exit(1);
}

/*
 * Copyright (c) 2001-2004 Chris Danford
 * All rights reserved.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, and/or sell copies of the Software, and to permit persons to
 * whom the Software is furnished to do so, provided that the above
 * copyright notice(s) and this permission notice appear in all copies of
 * the Software and that both the above copyright notice(s) and this
 * permission notice appear in supporting documentation.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF
 * THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR HOLDERS
 * INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT
 * OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
 * OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
 * OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
 * PERFORMANCE OF THIS SOFTWARE.
 */
