diff options
Diffstat (limited to 'include/__functional_base_03')
| -rw-r--r-- | include/__functional_base_03 | 1104 |
1 files changed, 92 insertions, 1012 deletions
diff --git a/include/__functional_base_03 b/include/__functional_base_03 index 655027786665..8407dcfa39ca 100644 --- a/include/__functional_base_03 +++ b/include/__functional_base_03 @@ -13,943 +13,166 @@ // manual variadic expansion for <functional> -// __weak_result_type - -template <class _Tp> -struct __derives_from_unary_function -{ -private: - struct __two {char __lx; char __lxx;}; - static __two __test(...); - template <class _Ap, class _Rp> - static unary_function<_Ap, _Rp> - __test(const volatile unary_function<_Ap, _Rp>*); -public: - static const bool value = !is_same<decltype(__test((_Tp*)0)), __two>::value; - typedef decltype(__test((_Tp*)0)) type; -}; - -template <class _Tp> -struct __derives_from_binary_function -{ -private: - struct __two {char __lx; char __lxx;}; - static __two __test(...); - template <class _A1, class _A2, class _Rp> - static binary_function<_A1, _A2, _Rp> - __test(const volatile binary_function<_A1, _A2, _Rp>*); -public: - static const bool value = !is_same<decltype(__test((_Tp*)0)), __two>::value; - typedef decltype(__test((_Tp*)0)) type; -}; - -template <class _Tp, bool = __derives_from_unary_function<_Tp>::value> -struct __maybe_derive_from_unary_function // bool is true - : public __derives_from_unary_function<_Tp>::type -{ -}; - -template <class _Tp> -struct __maybe_derive_from_unary_function<_Tp, false> -{ -}; - -template <class _Tp, bool = __derives_from_binary_function<_Tp>::value> -struct __maybe_derive_from_binary_function // bool is true - : public __derives_from_binary_function<_Tp>::type -{ -}; - -template <class _Tp> -struct __maybe_derive_from_binary_function<_Tp, false> -{ -}; - -template <class _Tp, bool = __has_result_type<_Tp>::value> -struct __weak_result_type_imp // bool is true - : public __maybe_derive_from_unary_function<_Tp>, - public __maybe_derive_from_binary_function<_Tp> -{ - typedef typename _Tp::result_type result_type; -}; - -template <class _Tp> -struct __weak_result_type_imp<_Tp, false> - : public __maybe_derive_from_unary_function<_Tp>, - public __maybe_derive_from_binary_function<_Tp> -{ -}; - -template <class _Tp> -struct __weak_result_type - : public __weak_result_type_imp<typename remove_reference<_Tp>::type> -{ -}; - -// 0 argument case - -template <class _Rp> -struct __weak_result_type<_Rp ()> -{ - typedef _Rp result_type; -}; - -template <class _Rp> -struct __weak_result_type<_Rp (&)()> -{ - typedef _Rp result_type; -}; - -template <class _Rp> -struct __weak_result_type<_Rp (*)()> -{ - typedef _Rp result_type; -}; - -// 1 argument case - -template <class _Rp, class _A1> -struct __weak_result_type<_Rp (_A1)> - : public unary_function<_A1, _Rp> -{ -}; - -template <class _Rp, class _A1> -struct __weak_result_type<_Rp (&)(_A1)> - : public unary_function<_A1, _Rp> -{ -}; - -template <class _Rp, class _A1> -struct __weak_result_type<_Rp (*)(_A1)> - : public unary_function<_A1, _Rp> -{ -}; - -template <class _Rp, class _Cp> -struct __weak_result_type<_Rp (_Cp::*)()> - : public unary_function<_Cp*, _Rp> -{ -}; - -template <class _Rp, class _Cp> -struct __weak_result_type<_Rp (_Cp::*)() const> - : public unary_function<const _Cp*, _Rp> -{ -}; - -template <class _Rp, class _Cp> -struct __weak_result_type<_Rp (_Cp::*)() volatile> - : public unary_function<volatile _Cp*, _Rp> -{ -}; - -template <class _Rp, class _Cp> -struct __weak_result_type<_Rp (_Cp::*)() const volatile> - : public unary_function<const volatile _Cp*, _Rp> -{ -}; - -// 2 argument case - -template <class _Rp, class _A1, class _A2> -struct __weak_result_type<_Rp (_A1, _A2)> - : public binary_function<_A1, _A2, _Rp> -{ -}; - -template <class _Rp, class _A1, class _A2> -struct __weak_result_type<_Rp (*)(_A1, _A2)> - : public binary_function<_A1, _A2, _Rp> -{ -}; - -template <class _Rp, class _A1, class _A2> -struct __weak_result_type<_Rp (&)(_A1, _A2)> - : public binary_function<_A1, _A2, _Rp> -{ -}; - -template <class _Rp, class _Cp, class _A1> -struct __weak_result_type<_Rp (_Cp::*)(_A1)> - : public binary_function<_Cp*, _A1, _Rp> -{ -}; - -template <class _Rp, class _Cp, class _A1> -struct __weak_result_type<_Rp (_Cp::*)(_A1) const> - : public binary_function<const _Cp*, _A1, _Rp> -{ -}; - -template <class _Rp, class _Cp, class _A1> -struct __weak_result_type<_Rp (_Cp::*)(_A1) volatile> - : public binary_function<volatile _Cp*, _A1, _Rp> -{ -}; - -template <class _Rp, class _Cp, class _A1> -struct __weak_result_type<_Rp (_Cp::*)(_A1) const volatile> - : public binary_function<const volatile _Cp*, _A1, _Rp> -{ -}; +// __invoke -// 3 or more arguments +template <class _Ret, class _T1, bool _IsFunc, bool _IsBase> +struct __enable_invoke_imp; -template <class _Rp, class _A1, class _A2, class _A3> -struct __weak_result_type<_Rp (_A1, _A2, _A3)> -{ - typedef _Rp result_type; +template <class _Ret, class _T1> +struct __enable_invoke_imp<_Ret, _T1, true, true> { + typedef _Ret _Bullet1; + typedef _Bullet1 type; }; -template <class _Rp, class _A1, class _A2, class _A3> -struct __weak_result_type<_Rp (&)(_A1, _A2, _A3)> -{ - typedef _Rp result_type; +template <class _Ret, class _T1> +struct __enable_invoke_imp<_Ret, _T1, true, false> { + typedef _Ret _Bullet2; + typedef _Bullet2 type; }; -template <class _Rp, class _A1, class _A2, class _A3> -struct __weak_result_type<_Rp (*)(_A1, _A2, _A3)> -{ - typedef _Rp result_type; +template <class _Ret, class _T1> +struct __enable_invoke_imp<_Ret, _T1, false, true> { + typedef typename add_lvalue_reference< + typename __apply_cv<_T1, _Ret>::type + >::type _Bullet3; + typedef _Bullet3 type; }; -template <class _Rp, class _Cp, class _A1, class _A2> -struct __weak_result_type<_Rp (_Cp::*)(_A1, _A2)> -{ - typedef _Rp result_type; +template <class _Ret, class _T1> +struct __enable_invoke_imp<_Ret, _T1, false, false> { + typedef typename add_lvalue_reference< + typename __apply_cv<decltype(*_VSTD::declval<_T1>()), _Ret>::type + >::type _Bullet4; + typedef _Bullet4 type; }; -template <class _Rp, class _Cp, class _A1, class _A2> -struct __weak_result_type<_Rp (_Cp::*)(_A1, _A2) const> -{ - typedef _Rp result_type; +template <class _Ret, class _T1> +struct __enable_invoke_imp<_Ret, _T1*, false, false> { + typedef typename add_lvalue_reference< + typename __apply_cv<_T1, _Ret>::type + >::type _Bullet4; + typedef _Bullet4 type; }; -template <class _Rp, class _Cp, class _A1, class _A2> -struct __weak_result_type<_Rp (_Cp::*)(_A1, _A2) volatile> +template <class _Fn, class _T1, + class _Traits = __member_pointer_traits<_Fn>, + class _Ret = typename _Traits::_ReturnType, + class _Class = typename _Traits::_ClassType> +struct __enable_invoke : __enable_invoke_imp< + _Ret, _T1, + is_member_function_pointer<_Fn>::value, + is_base_of<_Class, typename remove_reference<_T1>::type>::value> { - typedef _Rp result_type; }; -// __invoke - -// __ref_return0 -// -// template <class _Tp, bool _HasResultType> -// struct ________ref_return0 // _HasResultType is true -// { -// typedef typename _Tp::result_type type; -// }; -// -// template <class _Tp> -// struct ________ref_return0<_Tp, false> -// { -// typedef void type; -// }; -// -// template <class _Tp, bool _IsClass> -// struct ____ref_return0 // _IsClass is true -// : public ________ref_return0<_Tp, __has_result_type<typename remove_cv<_Tp>::type>::value> -// { -// }; -// -// template <class _Tp, bool _HasResultType> -// struct ______ref_return0 // _HasResultType is true -// { -// typedef typename __callable_type<_Tp>::result_type type; -// }; -// -// template <class _Tp> -// struct ______ref_return0<_Tp, false> // pointer to member data -// { -// typedef void type; -// }; -// -// template <class _Tp> -// struct ____ref_return0<_Tp, false> -// : public ______ref_return0<typename remove_cv<_Tp>::type, -// __has_result_type<__callable_type<typename remove_cv<_Tp>::type> >::value> -// { -// }; -// -// template <class _Tp> -// struct __ref_return0 -// : public ____ref_return0<typename remove_reference<_Tp>::type, -// is_class<typename remove_reference<_Tp>::type>::value> -// { -// }; -// -// __ref_return1 -// -// template <class _Tp, bool _IsClass, class _A0> -// struct ____ref_return1 // _IsClass is true -// { -// typedef typename result_of<_Tp(_A0)>::type type; -// }; -// -// template <class _Tp, bool _HasResultType, class _A0> -// struct ______ref_return1 // _HasResultType is true -// { -// typedef typename __callable_type<_Tp>::result_type type; -// }; -// -// template <class _Tp, class _A0, bool> -// struct __ref_return1_member_data1; -// -// template <class _Rp, class _Cp, class _A0> -// struct __ref_return1_member_data1<_Rp _Cp::*, _A0, true> -// { -// typedef typename __apply_cv<_A0, _Rp>::type& type; -// }; -// -// template <class _Rp, class _Cp, class _A0> -// struct __ref_return1_member_data1<_Rp _Cp::*, _A0, false> -// { -// static _A0 __a; -// typedef typename __apply_cv<decltype(*__a), _Rp>::type& type; -// }; -// -// template <class _Tp, class _A0> -// struct __ref_return1_member_data; -// -// template <class _Rp, class _Cp, class _A0> -// struct __ref_return1_member_data<_Rp _Cp::*, _A0> -// : public __ref_return1_member_data1<_Rp _Cp::*, _A0, -// is_same<typename remove_cv<_Cp>::type, -// typename remove_cv<typename remove_reference<_A0>::type>::type>::value> -// { -// }; -// -// template <class _Tp, class _A0> -// struct ______ref_return1<_Tp, false, _A0> // pointer to member data -// : public __ref_return1_member_data<typename remove_cv<_Tp>::type, _A0> -// { -// }; -// -// template <class _Tp, class _A0> -// struct ____ref_return1<_Tp, false, _A0> -// : public ______ref_return1<typename remove_cv<_Tp>::type, -// __has_result_type<__callable_type<typename remove_cv<_Tp>::type> >::value, _A0> -// { -// }; -// -// template <class _Tp, class _A0> -// struct __ref_return1 -// : public ____ref_return1<typename remove_reference<_Tp>::type, -// is_class<typename remove_reference<_Tp>::type>::value, _A0> -// { -// }; -// -// __ref_return2 -// -// template <class _Tp, bool _IsClass, class _A0, class _A1> -// struct ____ref_return2 // _IsClass is true -// { -// typedef typename result_of<_Tp(_A0, _A1)>::type type; -// }; -// -// template <class _Tp, bool _HasResultType, class _A0, class _A1> -// struct ______ref_return2 // _HasResultType is true -// { -// typedef typename __callable_type<_Tp>::result_type type; -// }; -// -// template <class _Tp> -// struct ______ref_return2<_Tp, false, class _A0, class _A1> // pointer to member data -// { -// static_assert(sizeof(_Tp) == 0, "An attempt has been made to `call` a pointer" -// " to member data with too many arguments."); -// }; -// -// template <class _Tp, class _A0, class _A1> -// struct ____ref_return2<_Tp, false, _A0, _A1> -// : public ______ref_return2<typename remove_cv<_Tp>::type, -// __has_result_type<__callable_type<typename remove_cv<_Tp>::type> >::value, _A0, _A1> -// { -// }; -// -// template <class _Tp, class _A0, class _A1> -// struct __ref_return2 -// : public ____ref_return2<typename remove_reference<_Tp>::type, -// is_class<typename remove_reference<_Tp>::type>::value, _A0, _A1> -// { -// }; -// -// __ref_return3 -// -// template <class _Tp, bool _IsClass, class _A0, class _A1, class _A2> -// struct ____ref_return3 // _IsClass is true -// { -// typedef typename result_of<_Tp(_A0, _A1, _A2)>::type type; -// }; -// -// template <class _Tp, bool _HasResultType, class _A0, class _A1, class _A2> -// struct ______ref_return3 // _HasResultType is true -// { -// typedef typename __callable_type<_Tp>::result_type type; -// }; -// -// template <class _Tp> -// struct ______ref_return3<_Tp, false, class _A0, class _A1, class _A2> // pointer to member data -// { -// static_assert(sizeof(_Tp) == 0, "An attempt has been made to `call` a pointer" -// " to member data with too many arguments."); -// }; -// -// template <class _Tp, class _A0, class _A1, class _A2> -// struct ____ref_return3<_Tp, false, _A0, _A1, _A2> -// : public ______ref_return3<typename remove_cv<_Tp>::type, -// __has_result_type<__callable_type<typename remove_cv<_Tp>::type> >::value, _A0, _A1, _A2> -// { -// }; -// -// template <class _Tp, class _A0, class _A1, class _A2> -// struct __ref_return3 -// : public ____ref_return3<typename remove_reference<_Tp>::type, -// is_class<typename remove_reference<_Tp>::type>::value, _A0, _A1, _A2> -// { -// }; +__nat __invoke(__any, ...); // first bullet -template <class _Rp, class _Tp, class _T1> -inline _LIBCPP_INLINE_VISIBILITY -typename enable_if -< - is_base_of<_Tp, typename remove_reference<_T1>::type>::value, - _Rp ->::type -__invoke(_Rp (_Tp::*__f)(), _T1& __t1) -{ - return (__t1.*__f)(); -} - -template <class _Rp, class _Tp, class _T1, class _A0> -inline _LIBCPP_INLINE_VISIBILITY -typename enable_if -< - is_base_of<_Tp, typename remove_reference<_T1>::type>::value, - _Rp ->::type -__invoke(_Rp (_Tp::*__f)(_A0), _T1& __t1, _A0& __a0) -{ - return (__t1.*__f)(__a0); -} - -template <class _Rp, class _Tp, class _T1, class _A0, class _A1> -inline _LIBCPP_INLINE_VISIBILITY -typename enable_if -< - is_base_of<_Tp, typename remove_reference<_T1>::type>::value, - _Rp ->::type -__invoke(_Rp (_Tp::*__f)(_A0, _A1), _T1& __t1, _A0& __a0, _A1& __a1) -{ - return (__t1.*__f)(__a0, __a1); -} - -template <class _Rp, class _Tp, class _T1, class _A0, class _A1, class _A2> -inline _LIBCPP_INLINE_VISIBILITY -typename enable_if -< - is_base_of<_Tp, typename remove_reference<_T1>::type>::value, - _Rp ->::type -__invoke(_Rp (_Tp::*__f)(_A0, _A1, _A2), _T1& __t1, _A0& __a0, _A1& __a1, _A2& __a2) -{ - return (__t1.*__f)(__a0, __a1, __a2); -} - -template <class _Rp, class _Tp, class _T1> -inline _LIBCPP_INLINE_VISIBILITY -typename enable_if -< - is_base_of<_Tp, typename remove_reference<_T1>::type>::value, - _Rp ->::type -__invoke(_Rp (_Tp::*__f)() const, _T1& __t1) -{ - return (__t1.*__f)(); -} - -template <class _Rp, class _Tp, class _T1, class _A0> -inline _LIBCPP_INLINE_VISIBILITY -typename enable_if -< - is_base_of<_Tp, typename remove_reference<_T1>::type>::value, - _Rp ->::type -__invoke(_Rp (_Tp::*__f)(_A0) const, _T1& __t1, _A0& __a0) -{ - return (__t1.*__f)(__a0); -} - -template <class _Rp, class _Tp, class _T1, class _A0, class _A1> -inline _LIBCPP_INLINE_VISIBILITY -typename enable_if -< - is_base_of<_Tp, typename remove_reference<_T1>::type>::value, - _Rp ->::type -__invoke(_Rp (_Tp::*__f)(_A0, _A1) const, _T1& __t1, _A0& __a0, _A1& __a1) -{ - return (__t1.*__f)(__a0, __a1); -} - -template <class _Rp, class _Tp, class _T1, class _A0, class _A1, class _A2> -inline _LIBCPP_INLINE_VISIBILITY -typename enable_if -< - is_base_of<_Tp, typename remove_reference<_T1>::type>::value, - _Rp ->::type -__invoke(_Rp (_Tp::*__f)(_A0, _A1, _A2) const, _T1& __t1, _A0& __a0, _A1& __a1, _A2& __a2) -{ - return (__t1.*__f)(__a0, __a1, __a2); -} - -template <class _Rp, class _Tp, class _T1> -inline _LIBCPP_INLINE_VISIBILITY -typename enable_if -< - is_base_of<_Tp, typename remove_reference<_T1>::type>::value, - _Rp ->::type -__invoke(_Rp (_Tp::*__f)() volatile, _T1& __t1) -{ - return (__t1.*__f)(); -} - -template <class _Rp, class _Tp, class _T1, class _A0> -inline _LIBCPP_INLINE_VISIBILITY -typename enable_if -< - is_base_of<_Tp, typename remove_reference<_T1>::type>::value, - _Rp ->::type -__invoke(_Rp (_Tp::*__f)(_A0) volatile, _T1& __t1, _A0& __a0) -{ - return (__t1.*__f)(__a0); -} - -template <class _Rp, class _Tp, class _T1, class _A0, class _A1> -inline _LIBCPP_INLINE_VISIBILITY -typename enable_if -< - is_base_of<_Tp, typename remove_reference<_T1>::type>::value, - _Rp ->::type -__invoke(_Rp (_Tp::*__f)(_A0, _A1) volatile, _T1& __t1, _A0& __a0, _A1& __a1) -{ - return (__t1.*__f)(__a0, __a1); -} - -template <class _Rp, class _Tp, class _T1, class _A0, class _A1, class _A2> -inline _LIBCPP_INLINE_VISIBILITY -typename enable_if -< - is_base_of<_Tp, typename remove_reference<_T1>::type>::value, - _Rp ->::type -__invoke(_Rp (_Tp::*__f)(_A0, _A1, _A2) volatile, _T1& __t1, _A0& __a0, _A1& __a1, _A2& __a2) -{ - return (__t1.*__f)(__a0, __a1, __a2); -} - -template <class _Rp, class _Tp, class _T1> +template <class _Fn, class _T1> inline _LIBCPP_INLINE_VISIBILITY -typename enable_if -< - is_base_of<_Tp, typename remove_reference<_T1>::type>::value, - _Rp ->::type -__invoke(_Rp (_Tp::*__f)() const volatile, _T1& __t1) -{ +typename __enable_invoke<_Fn, _T1>::_Bullet1 +__invoke(_Fn __f, _T1& __t1) { return (__t1.*__f)(); } -template <class _Rp, class _Tp, class _T1, class _A0> +template <class _Fn, class _T1, class _A0> inline _LIBCPP_INLINE_VISIBILITY -typename enable_if -< - is_base_of<_Tp, typename remove_reference<_T1>::type>::value, - _Rp ->::type -__invoke(_Rp (_Tp::*__f)(_A0) const volatile, _T1& __t1, _A0& __a0) -{ +typename __enable_invoke<_Fn, _T1>::_Bullet1 +__invoke(_Fn __f, _T1& __t1, _A0& __a0) { return (__t1.*__f)(__a0); } -template <class _Rp, class _Tp, class _T1, class _A0, class _A1> +template <class _Fn, class _T1, class _A0, class _A1> inline _LIBCPP_INLINE_VISIBILITY -typename enable_if -< - is_base_of<_Tp, typename remove_reference<_T1>::type>::value, - _Rp ->::type -__invoke(_Rp (_Tp::*__f)(_A0, _A1) const volatile, _T1& __t1, _A0& __a0, _A1& __a1) -{ +typename __enable_invoke<_Fn, _T1>::_Bullet1 +__invoke(_Fn __f, _T1& __t1, _A0& __a0, _A1& __a1) { return (__t1.*__f)(__a0, __a1); } -template <class _Rp, class _Tp, class _T1, class _A0, class _A1, class _A2> +template <class _Fn, class _T1, class _A0, class _A1, class _A2> inline _LIBCPP_INLINE_VISIBILITY -typename enable_if -< - is_base_of<_Tp, typename remove_reference<_T1>::type>::value, - _Rp ->::type -__invoke(_Rp (_Tp::*__f)(_A0, _A1, _A2) const volatile, _T1& __t1, _A0& __a0, _A1& __a1, _A2& __a2) -{ +typename __enable_invoke<_Fn, _T1>::_Bullet1 +__invoke(_Fn __f, _T1& __t1, _A0& __a0, _A1& __a1, _A2& __a2) { return (__t1.*__f)(__a0, __a1, __a2); } -// second bullet - -template <class _Rp, class _Tp, class _T1> -inline _LIBCPP_INLINE_VISIBILITY -typename enable_if -< - !is_base_of<_Tp, typename remove_reference<_T1>::type>::value, - _Rp ->::type -__invoke(_Rp (_Tp::*__f)(), _T1 __t1) -{ - return ((*__t1).*__f)(); -} - -template <class _Rp, class _Tp, class _T1, class _A0> -inline _LIBCPP_INLINE_VISIBILITY -typename enable_if -< - !is_base_of<_Tp, typename remove_reference<_T1>::type>::value, - _Rp ->::type -__invoke(_Rp (_Tp::*__f)(_A0), _T1 __t1, _A0& __a0) -{ - return ((*__t1).*__f)(__a0); -} - -template <class _Rp, class _Tp, class _T1, class _A0, class _A1> -inline _LIBCPP_INLINE_VISIBILITY -typename enable_if -< - !is_base_of<_Tp, typename remove_reference<_T1>::type>::value, - _Rp ->::type -__invoke(_Rp (_Tp::*__f)(_A0, _A1), _T1 __t1, _A0& __a0, _A1& __a1) -{ - return ((*__t1).*__f)(__a0, __a1); -} - -template <class _Rp, class _Tp, class _T1, class _A0, class _A1, class _A2> -inline _LIBCPP_INLINE_VISIBILITY -typename enable_if -< - !is_base_of<_Tp, typename remove_reference<_T1>::type>::value, - _Rp ->::type -__invoke(_Rp (_Tp::*__f)(_A0, _A1, _A2), _T1 __t1, _A0& __a0, _A1& __a1, _A2& __a2) -{ - return ((*__t1).*__f)(__a0, __a1, __a2); -} - -template <class _Rp, class _Tp, class _T1> -inline _LIBCPP_INLINE_VISIBILITY -typename enable_if -< - !is_base_of<_Tp, typename remove_reference<_T1>::type>::value, - _Rp ->::type -__invoke(_Rp (_Tp::*__f)() const, _T1 __t1) -{ - return ((*__t1).*__f)(); -} - -template <class _Rp, class _Tp, class _T1, class _A0> -inline _LIBCPP_INLINE_VISIBILITY -typename enable_if -< - !is_base_of<_Tp, typename remove_reference<_T1>::type>::value, - _Rp ->::type -__invoke(_Rp (_Tp::*__f)(_A0) const, _T1 __t1, _A0& __a0) -{ - return ((*__t1).*__f)(__a0); -} - -template <class _Rp, class _Tp, class _T1, class _A0, class _A1> -inline _LIBCPP_INLINE_VISIBILITY -typename enable_if -< - !is_base_of<_Tp, typename remove_reference<_T1>::type>::value, - _Rp ->::type -__invoke(_Rp (_Tp::*__f)(_A0, _A1) const, _T1 __t1, _A0& __a0, _A1& __a1) -{ - return ((*__t1).*__f)(__a0, __a1); -} - -template <class _Rp, class _Tp, class _T1, class _A0, class _A1, class _A2> -inline _LIBCPP_INLINE_VISIBILITY -typename enable_if -< - !is_base_of<_Tp, typename remove_reference<_T1>::type>::value, - _Rp ->::type -__invoke(_Rp (_Tp::*__f)(_A0, _A1, _A2) const, _T1 __t1, _A0& __a0, _A1& __a1, _A2& __a2) -{ - return ((*__t1).*__f)(__a0, __a1, __a2); -} - -template <class _Rp, class _Tp, class _T1> -inline _LIBCPP_INLINE_VISIBILITY -typename enable_if -< - !is_base_of<_Tp, typename remove_reference<_T1>::type>::value, - _Rp ->::type -__invoke(_Rp (_Tp::*__f)() volatile, _T1 __t1) -{ - return ((*__t1).*__f)(); -} - -template <class _Rp, class _Tp, class _T1, class _A0> -inline _LIBCPP_INLINE_VISIBILITY -typename enable_if -< - !is_base_of<_Tp, typename remove_reference<_T1>::type>::value, - _Rp ->::type -__invoke(_Rp (_Tp::*__f)(_A0) volatile, _T1 __t1, _A0& __a0) -{ - return ((*__t1).*__f)(__a0); -} - -template <class _Rp, class _Tp, class _T1, class _A0, class _A1> -inline _LIBCPP_INLINE_VISIBILITY -typename enable_if -< - !is_base_of<_Tp, typename remove_reference<_T1>::type>::value, - _Rp ->::type -__invoke(_Rp (_Tp::*__f)(_A0, _A1) volatile, _T1 __t1, _A0& __a0, _A1& __a1) -{ - return ((*__t1).*__f)(__a0, __a1); -} - -template <class _Rp, class _Tp, class _T1, class _A0, class _A1, class _A2> -inline _LIBCPP_INLINE_VISIBILITY -typename enable_if -< - !is_base_of<_Tp, typename remove_reference<_T1>::type>::value, - _Rp ->::type -__invoke(_Rp (_Tp::*__f)(_A0, _A1, _A2) volatile, _T1 __t1, _A0& __a0, _A1& __a1, _A2& __a2) -{ - return ((*__t1).*__f)(__a0, __a1, __a2); -} - -template <class _Rp, class _Tp, class _T1> +template <class _Fn, class _T1> inline _LIBCPP_INLINE_VISIBILITY -typename enable_if -< - !is_base_of<_Tp, typename remove_reference<_T1>::type>::value, - _Rp ->::type -__invoke(_Rp (_Tp::*__f)() const volatile, _T1 __t1) -{ +typename __enable_invoke<_Fn, _T1>::_Bullet2 +__invoke(_Fn __f, _T1& __t1) { return ((*__t1).*__f)(); } -template <class _Rp, class _Tp, class _T1, class _A0> +template <class _Fn, class _T1, class _A0> inline _LIBCPP_INLINE_VISIBILITY -typename enable_if -< - !is_base_of<_Tp, typename remove_reference<_T1>::type>::value, - _Rp ->::type -__invoke(_Rp (_Tp::*__f)(_A0) const volatile, _T1 __t1, _A0& __a0) -{ +typename __enable_invoke<_Fn, _T1>::_Bullet2 +__invoke(_Fn __f, _T1& __t1, _A0& __a0) { return ((*__t1).*__f)(__a0); } -template <class _Rp, class _Tp, class _T1, class _A0, class _A1> +template <class _Fn, class _T1, class _A0, class _A1> inline _LIBCPP_INLINE_VISIBILITY -typename enable_if -< - !is_base_of<_Tp, typename remove_reference<_T1>::type>::value, - _Rp ->::type -__invoke(_Rp (_Tp::*__f)(_A0, _A1) const volatile, _T1 __t1, _A0& __a0, _A1& __a1) -{ +typename __enable_invoke<_Fn, _T1>::_Bullet2 +__invoke(_Fn __f, _T1& __t1, _A0& __a0, _A1& __a1) { return ((*__t1).*__f)(__a0, __a1); } -template <class _Rp, class _Tp, class _T1, class _A0, class _A1, class _A2> +template <class _Fn, class _T1, class _A0, class _A1, class _A2> inline _LIBCPP_INLINE_VISIBILITY -typename enable_if -< - !is_base_of<_Tp, typename remove_reference<_T1>::type>::value, - _Rp ->::type -__invoke(_Rp (_Tp::*__f)(_A0, _A1, _A2) const volatile, _T1 __t1, _A0& __a0, _A1& __a1, _A2& __a2) -{ +typename __enable_invoke<_Fn, _T1>::_Bullet2 +__invoke(_Fn __f, _T1& __t1, _A0& __a0, _A1& __a1, _A2& __a2) { return ((*__t1).*__f)(__a0, __a1, __a2); } -// third bullet - -template <class _Rp, class _Tp, class _T1> +template <class _Fn, class _T1> inline _LIBCPP_INLINE_VISIBILITY -typename enable_if -< - is_base_of<_Tp, typename remove_reference<_T1>::type>::value, - typename __apply_cv<_T1, _Rp>::type& ->::type -__invoke(_Rp _Tp::* __f, _T1& __t1) -{ +typename __enable_invoke<_Fn, _T1>::_Bullet3 +__invoke(_Fn __f, _T1& __t1) { return __t1.*__f; } -template <class _Rp, class _Tp> -inline _LIBCPP_INLINE_VISIBILITY -void -__invoke(_Rp _Tp::*) -{ -} - -// template <class _Dp, class _Rp, class _Tp, class _T1> -// inline _LIBCPP_INLINE_VISIBILITY -// typename enable_if -// < -// is_base_of<_Tp, typename remove_reference<_T1>::type>::value, -// typename __ref_return1<_Rp _Tp::*, _T1>::type -// >::type -// __invoke(_Rp _Tp::* __f, _T1& __t1) -// { -// return __t1.*__f; -// } - -// forth bullet - -template <class _T1, class _Rp, bool> -struct __4th_helper -{ -}; - -template <class _T1, class _Rp> -struct __4th_helper<_T1, _Rp, true> -{ - typedef typename __apply_cv<decltype(*_VSTD::declval<_T1>()), _Rp>::type type; -}; - -template <class _Rp, class _Tp, class _T1> +template <class _Fn, class _T1> inline _LIBCPP_INLINE_VISIBILITY -typename __4th_helper<_T1, _Rp, - !is_base_of<_Tp, - typename remove_reference<_T1>::type - >::value - >::type& -__invoke(_Rp _Tp::* __f, _T1& __t1) -{ +typename __enable_invoke<_Fn, _T1>::_Bullet4 +__invoke(_Fn __f, _T1& __t1) { return (*__t1).*__f; } -// template <class _Dp, class _Rp, class _Tp, class _T1> -// inline _LIBCPP_INLINE_VISIBILITY -// typename enable_if -// < -// !is_base_of<_Tp, typename remove_reference<_T1>::type>::value, -// typename __ref_return1<_Rp _Tp::*, _T1>::type -// >::type -// __invoke(_Rp _Tp::* __f, _T1 __t1) -// { -// return (*__t1).*__f; -// } - // fifth bullet template <class _Fp> inline _LIBCPP_INLINE_VISIBILITY -decltype(declval<_Fp>()()) -__invoke(_Fp __f) +decltype(_VSTD::declval<_Fp&>()()) +__invoke(_Fp& __f) { return __f(); } template <class _Fp, class _A0> inline _LIBCPP_INLINE_VISIBILITY -decltype(declval<_Fp>()(declval<_A0&>())) -__invoke(_Fp __f, _A0& __a0) +decltype(_VSTD::declval<_Fp&>()(_VSTD::declval<_A0&>())) +__invoke(_Fp& __f, _A0& __a0) { return __f(__a0); } template <class _Fp, class _A0, class _A1> inline _LIBCPP_INLINE_VISIBILITY -decltype(declval<_Fp>()(declval<_A0&>(), declval<_A1&>())) -__invoke(_Fp __f, _A0& __a0, _A1& __a1) +decltype(_VSTD::declval<_Fp&>()(_VSTD::declval<_A0&>(), _VSTD::declval<_A1&>())) +__invoke(_Fp& __f, _A0& __a0, _A1& __a1) { return __f(__a0, __a1); } template <class _Fp, class _A0, class _A1, class _A2> inline _LIBCPP_INLINE_VISIBILITY -decltype(declval<_Fp>()(declval<_A0&>(), declval<_A1&>(), declval<_A2&>())) -__invoke(_Fp __f, _A0& __a0, _A1& __a1, _A2& __a2) +decltype(_VSTD::declval<_Fp&>()(_VSTD::declval<_A0&>(), _VSTD::declval<_A1&>(), _VSTD::declval<_A2&>())) +__invoke(_Fp& __f, _A0& __a0, _A1& __a1, _A2& __a2) { return __f(__a0, __a1, __a2); } -// template <class _Rp, class _Fp> -// inline _LIBCPP_INLINE_VISIBILITY -// _Rp -// __invoke(_Fp& __f) -// { -// return __f(); -// } -// -// template <class _Rp, class _Fp, class _A0> -// inline _LIBCPP_INLINE_VISIBILITY -// typename enable_if -// < -// !is_member_pointer<_Fp>::value, -// _Rp -// >::type -// __invoke(_Fp& __f, _A0& __a0) -// { -// return __f(__a0); -// } -// -// template <class _Rp, class _Fp, class _A0, class _A1> -// inline _LIBCPP_INLINE_VISIBILITY -// _Rp -// __invoke(_Fp& __f, _A0& __a0, _A1& __a1) -// { -// return __f(__a0, __a1); -// } -// -// template <class _Rp, class _Fp, class _A0, class _A1, class _A2> -// inline _LIBCPP_INLINE_VISIBILITY -// _Rp -// __invoke(_Fp& __f, _A0& __a0, _A1& __a1, _A2& __a2) -// { -// return __f(__a0, __a1, __a2); -// } - -template <class _Tp> -struct __has_type -{ -private: - struct __two {char __lx; char __lxx;}; - template <class _Up> static __two __test(...); - template <class _Up> static char __test(typename _Up::type* = 0); -public: - static const bool value = sizeof(__test<_Tp>(0)) == 1; -}; - template <class _Fp, bool = __has_result_type<__weak_result_type<_Fp> >::value> struct __invoke_return { @@ -959,186 +182,43 @@ struct __invoke_return template <class _Fp> struct __invoke_return<_Fp, false> { - typedef decltype(__invoke(_VSTD::declval<_Fp>())) type; + typedef decltype(__invoke(_VSTD::declval<_Fp&>())) type; }; template <class _Tp, class _A0> struct __invoke_return0 { - typedef decltype(__invoke(_VSTD::declval<_Tp>(), _VSTD::declval<_A0>())) type; + typedef decltype(__invoke(_VSTD::declval<_Tp&>(), _VSTD::declval<_A0&>())) type; }; template <class _Rp, class _Tp, class _A0> struct __invoke_return0<_Rp _Tp::*, _A0> { - typedef typename __apply_cv<_A0, _Rp>::type& type; -}; - -template <class _Rp, class _Tp, class _A0> -struct __invoke_return0<_Rp _Tp::*, _A0*> -{ - typedef typename __apply_cv<_A0, _Rp>::type& type; + typedef typename __enable_invoke<_Rp _Tp::*, _A0>::type type; }; template <class _Tp, class _A0, class _A1> struct __invoke_return1 { - typedef decltype(__invoke(_VSTD::declval<_Tp>(), _VSTD::declval<_A0>(), - _VSTD::declval<_A1>())) type; + typedef decltype(__invoke(_VSTD::declval<_Tp&>(), _VSTD::declval<_A0&>(), + _VSTD::declval<_A1&>())) type; }; -template <class _Tp, class _A0, class _A1, class _A2> -struct __invoke_return2 -{ - typedef decltype(__invoke(_VSTD::declval<_Tp>(), _VSTD::declval<_A0>(), - _VSTD::declval<_A1>(), - _VSTD::declval<_A2>())) type; +template <class _Rp, class _Class, class _A0, class _A1> +struct __invoke_return1<_Rp _Class::*, _A0, _A1> { + typedef typename __enable_invoke<_Rp _Class::*, _A0>::type type; }; -template <class _Ret> -struct __invoke_void_return_wrapper +template <class _Tp, class _A0, class _A1, class _A2> +struct __invoke_return2 { - template <class _Fn> - static _Ret __call(_Fn __f) - { - return __invoke(__f); - } - - template <class _Fn, class _A0> - static _Ret __call(_Fn __f, _A0& __a0) - { - return __invoke(__f, __a0); - } - - template <class _Fn, class _A0, class _A1> - static _Ret __call(_Fn __f, _A0& __a0, _A1& __a1) - { - return __invoke(__f, __a0, __a1); - } - - template <class _Fn, class _A0, class _A1, class _A2> - static _Ret __call(_Fn __f, _A0& __a0, _A1& __a1, _A2& __a2) - { - return __invoke(__f, __a0, __a1, __a2); - } + typedef decltype(__invoke(_VSTD::declval<_Tp&>(), _VSTD::declval<_A0&>(), + _VSTD::declval<_A1&>(), + _VSTD::declval<_A2&>())) type; }; - -template <> -struct __invoke_void_return_wrapper<void> -{ - template <class _Fn> - static void __call(_Fn __f) - { - __invoke(__f); - } - - template <class _Fn, class _A0> - static void __call(_Fn __f, _A0& __a0) - { - __invoke(__f, __a0); - } - - template <class _Fn, class _A0, class _A1> - static void __call(_Fn __f, _A0& __a0, _A1& __a1) - { - __invoke(__f, __a0, __a1); - } - - template <class _Fn, class _A0, class _A1, class _A2> - static void __call(_Fn __f, _A0& __a0, _A1& __a1, _A2& __a2) - { - __invoke(__f, __a0, __a1, __a2); - } +template <class _Ret, class _Class, class _A0, class _A1, class _A2> +struct __invoke_return2<_Ret _Class::*, _A0, _A1, _A2> { + typedef typename __enable_invoke<_Ret _Class::*, _A0>::type type; }; - -template <class _Tp> -class _LIBCPP_TYPE_VIS_ONLY reference_wrapper - : public __weak_result_type<_Tp> -{ -public: - // types - typedef _Tp type; -private: - type* __f_; - -public: - // construct/copy/destroy - _LIBCPP_INLINE_VISIBILITY reference_wrapper(type& __f) : __f_(&__f) {} - - // access - _LIBCPP_INLINE_VISIBILITY operator type& () const {return *__f_;} - _LIBCPP_INLINE_VISIBILITY type& get() const {return *__f_;} - - // invoke - - _LIBCPP_INLINE_VISIBILITY - typename __invoke_return<type&>::type - operator() () const - { - return __invoke(get()); - } - - template <class _A0> - _LIBCPP_INLINE_VISIBILITY - typename __invoke_return0<type&, _A0>::type - operator() (_A0& __a0) const - { - return __invoke<type&, _A0>(get(), __a0); - } - - template <class _A0, class _A1> - _LIBCPP_INLINE_VISIBILITY - typename __invoke_return1<type&, _A0, _A1>::type - operator() (_A0& __a0, _A1& __a1) const - { - return __invoke<type&, _A0, _A1>(get(), __a0, __a1); - } - - template <class _A0, class _A1, class _A2> - _LIBCPP_INLINE_VISIBILITY - typename __invoke_return2<type&, _A0, _A1, _A2>::type - operator() (_A0& __a0, _A1& __a1, _A2& __a2) const - { - return __invoke<type&, _A0, _A1, _A2>(get(), __a0, __a1, __a2); - } -}; - -template <class _Tp> struct __is_reference_wrapper_impl : public false_type {}; -template <class _Tp> struct __is_reference_wrapper_impl<reference_wrapper<_Tp> > : public true_type {}; -template <class _Tp> struct __is_reference_wrapper - : public __is_reference_wrapper_impl<typename remove_cv<_Tp>::type> {}; - -template <class _Tp> -inline _LIBCPP_INLINE_VISIBILITY -reference_wrapper<_Tp> -ref(_Tp& __t) -{ - return reference_wrapper<_Tp>(__t); -} - -template <class _Tp> -inline _LIBCPP_INLINE_VISIBILITY -reference_wrapper<_Tp> -ref(reference_wrapper<_Tp> __t) -{ - return ref(__t.get()); -} - -template <class _Tp> -inline _LIBCPP_INLINE_VISIBILITY -reference_wrapper<const _Tp> -cref(const _Tp& __t) -{ - return reference_wrapper<const _Tp>(__t); -} - -template <class _Tp> -inline _LIBCPP_INLINE_VISIBILITY -reference_wrapper<const _Tp> -cref(reference_wrapper<_Tp> __t) -{ - return cref(__t.get()); -} - #endif // _LIBCPP_FUNCTIONAL_BASE_03 |