c_types.h

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// Luanti
// SPDX-License-Identifier: LGPL-2.1-or-later
// Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
 
#pragma once
 
extern "C" {
#include "lua.h"
}
 
#include "exceptions.h"
 
class StackUnroller
{
private:
        lua_State *m_lua;
        int m_original_top;
public:
        StackUnroller(lua_State *L):
                m_lua(L),
                m_original_top(-1)
        {
                m_original_top = lua_gettop(m_lua); // store stack height
        }
        ~StackUnroller()
        {
                lua_settop(m_lua, m_original_top); // restore stack height
        }
};
 
class LuaError : public ModError
{
public:
        LuaError(const std::string &s) : ModError(s) {}
};