mirror of
https://github.com/wesnoth/wesnoth
synced 2025-05-10 10:19:58 +00:00
65 lines
1.7 KiB
C++
65 lines
1.7 KiB
C++
/* $Id$ */
|
|
/*
|
|
Copyright (C) 2011 - 2013 by Mark de Wever <koraq@xs4all.nl>
|
|
Part of the Battle for Wesnoth Project http://www.wesnoth.org/
|
|
|
|
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.
|
|
|
|
See the COPYING file for more details.
|
|
*/
|
|
|
|
#include "lua_jailbreak_exception.hpp"
|
|
|
|
#include <cassert>
|
|
#include <cstring> // Needed for NULL.
|
|
|
|
tlua_jailbreak_exception *tlua_jailbreak_exception::jailbreak_exception = NULL;
|
|
|
|
void tlua_jailbreak_exception::store() const throw()
|
|
{
|
|
/*
|
|
* It should not be possible to call this function with an exception still
|
|
* pending. It could happen if the code doesn't call
|
|
* tlua_jailbreak_exception::rethrow() or a logic error in the code.
|
|
*/
|
|
assert(!jailbreak_exception);
|
|
|
|
jailbreak_exception = this->clone();
|
|
}
|
|
|
|
void tlua_jailbreak_exception::rethrow()
|
|
{
|
|
if(!jailbreak_exception) {
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* We need to call tlua_jailbreak_exception::clear() after the exception
|
|
* is thrown. The most straightforward approach would be a small helper
|
|
* class calling clear in its destructor, but alas g++ then compains about
|
|
* an unused variable. Since we're sure there will be something thrown use
|
|
* that fact to make sure the the function is called.
|
|
*/
|
|
try {
|
|
jailbreak_exception->execute();
|
|
} catch(...) {
|
|
clear();
|
|
throw;
|
|
}
|
|
|
|
/* We never should reach this point. */
|
|
assert(false);
|
|
}
|
|
|
|
void tlua_jailbreak_exception::clear() throw()
|
|
{
|
|
delete jailbreak_exception;
|
|
jailbreak_exception = NULL;
|
|
}
|
|
|