traintastic/server/test/lua/protect.hpp
2021-04-14 08:09:03 +02:00

53 Zeilen
1.4 KiB
C++

/**
* server/test/lua/protect.hpp
*
* This file is part of the traintastic test suite.
*
* Copyright (C) 2021 Reinder Feenstra
*
* 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 TRAINTASTIC_SERVER_TEST_LUA_PROTECT_HPP
#define TRAINTASTIC_SERVER_TEST_LUA_PROTECT_HPP
#include <csetjmp>
#include <lua.hpp>
inline static jmp_buf protectPanicJump;
inline int protectPanic(lua_State*)
{
longjmp(protectPanicJump, 1); // will never return
}
template<auto Func, class... Args>
bool protect(lua_State* L, Args... args)
{
auto* oldPanic = lua_atpanic(L, protectPanic);
bool success = true;
if(setjmp(protectPanicJump) == 0)
Func(L, args...);
else
success = false;
lua_atpanic(L, oldPanic);
return success;
}
#endif