c_types.h

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/*
Minetest
Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
 
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
 
You should have received a copy of the GNU Lesser 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.
*/
 
#pragma once
 
extern "C" {
#include "lua.h"
}
 
#include <iostream>
 
#include "exceptions.h"
 
struct EnumString
{
    int num;
    const char *str;
};
 
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) {}
};
 
 
extern EnumString es_ItemType[];