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macOS: minor refactoring QSendSuperHelper

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Replace local implementation of index_sequence with QtPrivate::IndexesList

Change-Id: I193b9183ec6832294687e979576a2e3ec56d550b
Reviewed-by: Tor Arne Vestbø <tor.arne.vestbo@qt.io>
This commit is contained in:
Mikhail Svetkin 2018-08-23 16:35:13 +02:00
parent f12fd482f5
commit 48f0996449
1 changed files with 5 additions and 14 deletions
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19
src/plugins/platforms/cocoa/qcocoahelpers.h
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@ -295,26 +295,17 @@ public:
}
private:
template <std::size_t... Ts>
struct index {};
template <std::size_t N, std::size_t... Ts>
struct gen_seq : gen_seq<N - 1, N - 1, Ts...> {};
template <std::size_t... Ts>
struct gen_seq<0, Ts...> : index<Ts...> {};
template <typename ReturnType, bool V>
using if_requires_stret = typename std::enable_if<objc_msgsend_requires_stret<ReturnType>::value == V, ReturnType>::type;
template <typename ReturnType, std::size_t... Is>
if_requires_stret<ReturnType, false> msgSendSuper(std::tuple<Args...>& args, index<Is...>)
template <typename ReturnType, int... Is>
if_requires_stret<ReturnType, false> msgSendSuper(std::tuple<Args...>& args, QtPrivate::IndexesList<Is...>)
{
return qt_msgSendSuper<ReturnType>(m_receiver, m_selector, std::get<Is>(args)...);
}
template <typename ReturnType, std::size_t... Is>
if_requires_stret<ReturnType, true> msgSendSuper(std::tuple<Args...>& args, index<Is...>)
template <typename ReturnType, int... Is>
if_requires_stret<ReturnType, true> msgSendSuper(std::tuple<Args...>& args, QtPrivate::IndexesList<Is...>)
{
return qt_msgSendSuper_stret<ReturnType>(m_receiver, m_selector, std::get<Is>(args)...);
}
@ -322,7 +313,7 @@ private:
template <typename ReturnType>
ReturnType msgSendSuper(std::tuple<Args...>& args)
{
return msgSendSuper<ReturnType>(args, gen_seq<sizeof...(Args)>{});
return msgSendSuper<ReturnType>(args, QtPrivate::makeIndexSequence<sizeof...(Args)>{});
}
id m_receiver;