File: main.cc

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/*
 * Copyright (C) 2002-2004, 2008-2009 by the Widelands Development Team
 *
 * 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.
 *
 */

#include <iostream>
#include <stdexcept>
#include <typeinfo>

#include <SDL_main.h>
#include <unistd.h>

#include "base/log.h"
#include "base/wexception.h"
#include "build_info.h"
#include "config.h"
#include "wlapplication.h"
#include "wlapplication_messages.h"

using std::cout;
using std::cerr;
using std::endl;
using std::flush;

/**
 * Cross-platform entry point for SDL applications.
 */
int main(int argc, char* argv[]) {
	log("This is Widelands Version %s (%s)\n", build_id().c_str(), build_type().c_str());

	WLApplication* g_app = nullptr;
	try {
		g_app = WLApplication::get(argc, const_cast<char const**>(argv));
		// TODO(unknown): handle exceptions from the constructor
		g_app->run();

		delete g_app;

		return 0;
	} catch (const ParameterError& e) {
		//  handle wrong commandline parameters
		cerr << endl << e.what() << endl << endl;
		show_usage(build_id(), build_type());
		delete g_app;

		return 0;
	}
#ifdef NDEBUG
	catch (const WException& e) {
		cerr << "\nCaught exception (of type '" << typeid(e).name()
		     << "') in outermost handler!\nThe exception said: " << e.what()
		     << "\n\nThis should not happen. Please file a bug report on version " << build_id()
		     << '(' << build_type() << ')' << ".\n"
		     << "and remember to specify your operating system.\n\n"
		     << flush;
		delete g_app;

		return 1;
	} catch (const std::exception& e) {
		cerr << "\nCaught exception (of type '" << typeid(e).name()
		     << "') in outermost handler!\nThe exception said: " << e.what()
		     << "\n\nThis should not happen. Please file a bug report on version " << build_id()
		     << '(' << build_type() << ')' << ".\n"
		     << "and remember to specify your operating system.\n\n"
		     << flush;
		delete g_app;

		return 1;
	}
#endif
}