f2b7d7bb52
calls to Lua can now easily be protected using the protect<> template function, it will return false if a lua error occurs. The exception method didn't work properly with catch2 on windows.
48 Zeilen
1.3 KiB
C++
48 Zeilen
1.3 KiB
C++
/**
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* server/test/lua/protect.cpp
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*
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* This file is part of the traintastic test suite.
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*
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* Copyright (C) 2021 Reinder Feenstra
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include <csetjmp>
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#include <lua.hpp>
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inline static jmp_buf protectPanicJump;
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inline int protectPanic(lua_State*)
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{
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longjmp(protectPanicJump, 1); // will never return
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}
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template<auto Func, class... Args>
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bool protect(lua_State* L, Args... args)
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{
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auto* oldPanic = lua_atpanic(L, protectPanic);
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bool success = true;
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if(setjmp(protectPanicJump) == 0)
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Func(L, args...);
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else
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success = false;
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lua_atpanic(L, oldPanic);
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return success;
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}
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