Beispiel #1
28
xr_string to_string					(luabind::object const& o)
{
	using namespace luabind;
	if (o.type() == LUA_TSTRING) return object_cast<xr_string>(o);
	lua_State* L = o.lua_state();
	LUABIND_CHECK_STACK(L);

#ifdef BOOST_NO_STRINGSTREAM
	std::strstream s;
#else
	std::stringstream s;
#endif

	if (o.type() == LUA_TNUMBER)
	{
		s << object_cast<float>(o);
		return xr_string(s.str().c_str());
	}

	s << "<" << lua_typename(L, o.type()) << ">";
#ifdef BOOST_NO_STRINGSTREAM
	s << std::ends;
#endif
	return s.str().c_str();
}
xr_string member_to_string			(luabind::object const& e, LPCSTR function_signature)
{
#if !defined(LUABIND_NO_ERROR_CHECKING3)
    using namespace luabind;
	lua_State* L = e.lua_state();
	LUABIND_CHECK_STACK(L);

	if (e.type() == LUA_TFUNCTION)
	{
		e.pushvalue();
		detail::stack_pop p(L, 1);

		{
			if (lua_getupvalue(L, -1, 3) == 0) return to_string(e);
			detail::stack_pop p2(L, 1);
			if (lua_touserdata(L, -1) != reinterpret_cast<void*>(0x1337)) return to_string(e);
		}

#ifdef BOOST_NO_STRINGSTREAM
		std::strstream s;
#else
		std::stringstream s;
#endif
		{
			lua_getupvalue(L, -1, 2);
			detail::stack_pop p2(L, 1);
		}

		{
			lua_getupvalue(L, -1, 1);
			detail::stack_pop p2(L, 1);
			detail::method_rep* m = static_cast<detail::method_rep*>(lua_touserdata(L, -1));

			for (std::vector<detail::overload_rep>::const_iterator i = m->overloads().begin();
				i != m->overloads().end(); ++i)
			{
				xr_string str;
				i->get_signature(L, str);
				if (i != m->overloads().begin())
					s << "\n";
				s << function_signature << process_signature(str) << ";";
			}
		}
#ifdef BOOST_NO_STRINGSTREAM
		s << std::ends;
#endif
		return s.str().c_str();
	}

    return to_string(e);
#else
    return "";
#endif
}