2024-10-12 10:55:54 +02:00

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C++

/**
* server/src/lua/error.hpp
*
* This file is part of the traintastic source code.
*
* Copyright (C) 2021-2024 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_LUA_ERROR_HPP
#define TRAINTASTIC_SERVER_LUA_ERROR_HPP
#include <lua.hpp>
#include <stdexcept>
namespace Lua {
// Note:
// All these functions call abort(), it's just a trick to let the compiler understand it is a noreturn function,
// Lua's error funtions aren't marked as noreturn functions, but they are.
[[noreturn]] inline void errorArgumentOutOfRange(lua_State* L, int arg) { luaL_argerror(L, arg, "out of range"); abort(); }
[[noreturn]] inline void errorArgumentExpectedObject(lua_State* L, int arg) { luaL_argerror(L, arg, "expected object"); abort(); }
[[noreturn]] inline void errorArgumentInvalidObject(lua_State* L, int arg) { luaL_argerror(L, arg, "invalid object"); abort(); }
[[noreturn]] inline void errorCantSetNonExistingProperty(lua_State* L) { luaL_error(L, "can't set non existing property"); abort(); }
[[noreturn]] inline void errorCantSetReadOnlyProperty(lua_State* L) { luaL_error(L, "can't set read only property"); abort(); }
[[noreturn]] inline void errorCantStoreValueAsPersistentVariableUnsupportedType(lua_State* L)
{
luaL_error(L, "can't store value as persistent variable, unsupported type");
abort();
}
[[noreturn]] inline void errorDeadObject(lua_State* L) { luaL_error(L, "dead object"); abort(); }
[[noreturn]] inline void errorExpectedNArgumentsGotN(lua_State* L, int expected, int got) { luaL_error(L, "expected %d arguments, got %d", expected, got); abort(); }
[[noreturn]] inline void errorExpectedNNArgumentsGotN(lua_State* L, int min, int max, int got) { luaL_error(L, "expected %d..%d arguments, got %d", min, max, got); abort(); }
[[noreturn]] inline void errorException(lua_State* L, const std::exception& e) { luaL_error(L, "exception: %s", e.what()); abort(); }
[[noreturn]] inline void errorGlobalNIsReadOnly(lua_State* L, const char* name) { luaL_error(L, "global %s is readonly", name); abort(); }
[[noreturn]] inline void errorInternal(lua_State* L) { luaL_error(L, "internal error"); abort(); }
[[noreturn]] inline void errorTableContainsRecursion(lua_State* L)
{
luaL_error(L, "table contains recursion");
abort();
}
[[noreturn]] inline void errorTableIsReadOnly(lua_State* L) { luaL_error(L, "table is readonly"); abort(); }
}
#endif