c++使用luabind示例

#include <iostream>
#include <lua.hpp>
#include <luabind/luabind.hpp>

extern "C"
{
#include "lua.h"
#include "lualib.h"
#include "lauxlib.h"
}

bool LoadScript(lua_State* L, const std::string& fname)
{
if (luaL_dofile(L, fname.c_str()))
{
std::cerr << lua_tostring(L, -1) << std::endl;
return false;
}

return true;
}

class NumberPrinter
{
public:
NumberPrinter(int number) : m_number(number)
{

}
NumberPrinter()
{
m_number = 100;
}
void printNum()
{
std::cout << "C++ printNum" << std::endl;
std::cout << m_number << std::endl;
}

private:
int m_number;

};

int main(int argc, char* argv[])
{
lua_State* L = luaL_newstate();
luaL_openlibs(L);
luabind::open(L);

luabind::module(L)
[
luabind::class_<NumberPrinter>("NumberPrinter")
.def(luabind::constructor<int>())
.def("printNum", &NumberPrinter::printNum)
];

LoadScript(L, "test.lua");

luabind::object tobj = luabind::globals(L)["Game"];
if (luabind::type(tobj) == LUA_TTABLE)
{
NumberPrinter np1(100);
luabind::call_member<void>(tobj, "enter", &np1);
}

luabind::object tobj2 = luabind::globals(L)["NumberPrinter"];
if (luabind::type(tobj2) == LUA_TTABLE)
{
luabind::call_member<void>(tobj2, "enter");
}

lua_close(L);
}

print("BEFORE", _G["NumberPrinter"])

---[[
local meth = {}
meth.__index = meth

local tbl = {}
setmetatable(tbl, meth)

_G["NumberPrinter"] = tbl
print("AFTER", _G["NumberPrinter"])
--]]

---[[
function NumberPrinter:printNum()
print("printNum")
end
--]]

--[[
p1 = NumberPrinter(1000)
p1:printNum()
--]]

--NumberPrinter:printNum()

function NumberPrinter:test()
print("THIS IS A TEST")
end

NumberPrinter:test()

function NumberPrinter:enter()
print("THIS NUM ENTER")
end

Game = {}

function Game:enter(np)
print("THIS IS ENTER")
print("USE", _G["NumberPrinter"])
np:printNum()
end

test:main.o
g++ main.cpp -o test -I../base/xlib/ -L/usr/lib64/ -llua -ldl -lluabind
clean:
rm -rf *.o
rm -rf test
rm -rf core*
clear:
rm -rf core*