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Allow member functions that return *this to be binded properly. At the moment this means no member function chaining on the lua side

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This commit is contained in:
Rapptz 2014-05-29 04:13:24 -04:00
parent 2376dc437b
commit af1f13d582
1 changed files with 13 additions and 1 deletions
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14
sol/function_types.hpp
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@ -267,11 +267,23 @@ struct userdata_function : public base_function {
return (*this)(types<void>(), t, L);
}
template<typename Return, typename Raw = Unqualified<Return>>
typename std::enable_if<std::is_same<T, Raw>::value, void>::type special_push(lua_State*, Return&&) {
// push nothing
}
template<typename Return, typename Raw = Unqualified<Return>>
typename std::enable_if<!std::is_same<T, Raw>::value, void>::type special_push(lua_State* L, Return&& r) {
stack::push(L, std::forward<Return>(r));
}
template<typename... Ret, typename... Args>
int operator()(types<Ret...>, types<Args...> t, lua_State* L) {
typedef typename return_type<Ret...>::type return_type;
return_type r = stack::pop_call(L, fx, t);
stack::push(L, std::move(r));
// stack::push(L, std::move(r));
special_push(L, r);
return sizeof...(Ret);
}