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#include "lua.hpp"class lua{    private:	lua_State* L;	    public:        lua()        {            L = lua_open();            luaL_openlibs(L);        };		lua(lua_State* P)	{		L = P;	};        ~lua()        {            lua_close(L);        };    void dofile(const char* fn);    void dostring(const char* str);    //stack queriers    const char* getstring(int idx);    double getnumber(int idx);    //stack pushers    void pushnumber(double i);    void pushstring(const char* str);    void register_func(const char* name, int ptr(lua_State*));	    //stack etc.    void pop(int i);    //debug    const char* getError();};using namespace std;void lua::dofile(const char* fn){    cout<<"Opening: "<<fn<<endl;    if (luaL_dofile(L,fn))        cout<<"Error: ("<<this->getError()<<")"<<endl;}void lua::dostring(const char* str){	if (luaL_loadstring(L,str) != 0 )	{		cout<<"Error: ("<<this->getError()<<") in string: ("<<str<<")"<<std::endl;	}else{		if (lua_pcall(L,0,0,0) != 0 )		{			cout<<"Error: ("<<this->getError()<<") while running string: ("<<str<<")"<<std::endl;		}	}	}const char* lua::getError(){    const char* err = "";    //this->stackDump();    err = lua_tostring(L,-1);    lua_pop(L,1);    return err;}double lua::getnumber(int idx){    return lua_tonumber(L,idx);}const char* lua::getstring(int idx){    return lua_tostring(L,idx);}void lua::pushstring(const char* str){    lua_pushstring(L,str);}void lua::pushnumber(double i){    lua_pushnumber(L,i);}void lua::register_func(const char* name, int ptr(lua_State*)){    lua_register(L,name,ptr);} void lua::pop(int i){	lua_pop(L,i);}