| // -*- C++ -*- | |
| //===----------------------------------------------------------------------===// | |
| // | |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. | |
| // See https://llvm.org/LICENSE.txt for license information. | |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception | |
| // | |
| //===----------------------------------------------------------------------===// | |
| #ifndef _LIBCPP_FUNCTIONAL_03 | |
| #define _LIBCPP_FUNCTIONAL_03 | |
| // manual variadic expansion for <functional> | |
| #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) | |
| #pragma GCC system_header | |
| #endif | |
| namespace __function { | |
| template<class _Fp> class __base; | |
| template<class _Rp> | |
| class __base<_Rp()> | |
| { | |
| __base(const __base&); | |
| __base& operator=(const __base&); | |
| public: | |
| __base() {} | |
| virtual ~__base() {} | |
| virtual __base* __clone() const = 0; | |
| virtual void __clone(__base*) const = 0; | |
| virtual void destroy() = 0; | |
| virtual void destroy_deallocate() = 0; | |
| virtual _Rp operator()() = 0; | |
| #ifndef _LIBCPP_NO_RTTI | |
| virtual const void* target(const type_info&) const = 0; | |
| virtual const std::type_info& target_type() const = 0; | |
| #endif // _LIBCPP_NO_RTTI | |
| }; | |
| template<class _Rp, class _A0> | |
| class __base<_Rp(_A0)> | |
| { | |
| __base(const __base&); | |
| __base& operator=(const __base&); | |
| public: | |
| __base() {} | |
| virtual ~__base() {} | |
| virtual __base* __clone() const = 0; | |
| virtual void __clone(__base*) const = 0; | |
| virtual void destroy() = 0; | |
| virtual void destroy_deallocate() = 0; | |
| virtual _Rp operator()(_A0) = 0; | |
| #ifndef _LIBCPP_NO_RTTI | |
| virtual const void* target(const type_info&) const = 0; | |
| virtual const std::type_info& target_type() const = 0; | |
| #endif // _LIBCPP_NO_RTTI | |
| }; | |
| template<class _Rp, class _A0, class _A1> | |
| class __base<_Rp(_A0, _A1)> | |
| { | |
| __base(const __base&); | |
| __base& operator=(const __base&); | |
| public: | |
| __base() {} | |
| virtual ~__base() {} | |
| virtual __base* __clone() const = 0; | |
| virtual void __clone(__base*) const = 0; | |
| virtual void destroy() = 0; | |
| virtual void destroy_deallocate() = 0; | |
| virtual _Rp operator()(_A0, _A1) = 0; | |
| #ifndef _LIBCPP_NO_RTTI | |
| virtual const void* target(const type_info&) const = 0; | |
| virtual const std::type_info& target_type() const = 0; | |
| #endif // _LIBCPP_NO_RTTI | |
| }; | |
| template<class _Rp, class _A0, class _A1, class _A2> | |
| class __base<_Rp(_A0, _A1, _A2)> | |
| { | |
| __base(const __base&); | |
| __base& operator=(const __base&); | |
| public: | |
| __base() {} | |
| virtual ~__base() {} | |
| virtual __base* __clone() const = 0; | |
| virtual void __clone(__base*) const = 0; | |
| virtual void destroy() = 0; | |
| virtual void destroy_deallocate() = 0; | |
| virtual _Rp operator()(_A0, _A1, _A2) = 0; | |
| #ifndef _LIBCPP_NO_RTTI | |
| virtual const void* target(const type_info&) const = 0; | |
| virtual const std::type_info& target_type() const = 0; | |
| #endif // _LIBCPP_NO_RTTI | |
| }; | |
| template<class _FD, class _Alloc, class _FB> class __func; | |
| template<class _Fp, class _Alloc, class _Rp> | |
| class __func<_Fp, _Alloc, _Rp()> | |
| : public __base<_Rp()> | |
| { | |
| __compressed_pair<_Fp, _Alloc> __f_; | |
| public: | |
| explicit __func(_Fp __f) : __f_(_VSTD::move(__f)) {} | |
| explicit __func(_Fp __f, _Alloc __a) : __f_(_VSTD::move(__f), _VSTD::move(__a)) {} | |
| virtual __base<_Rp()>* __clone() const; | |
| virtual void __clone(__base<_Rp()>*) const; | |
| virtual void destroy(); | |
| virtual void destroy_deallocate(); | |
| virtual _Rp operator()(); | |
| #ifndef _LIBCPP_NO_RTTI | |
| virtual const void* target(const type_info&) const; | |
| virtual const std::type_info& target_type() const; | |
| #endif // _LIBCPP_NO_RTTI | |
| }; | |
| template<class _Fp, class _Alloc, class _Rp> | |
| __base<_Rp()>* | |
| __func<_Fp, _Alloc, _Rp()>::__clone() const | |
| { | |
| typedef allocator_traits<_Alloc> __alloc_traits; | |
| typedef typename __rebind_alloc_helper<__alloc_traits, __func>::type _Ap; | |
| _Ap __a(__f_.second()); | |
| typedef __allocator_destructor<_Ap> _Dp; | |
| unique_ptr<__func, _Dp> __hold(__a.allocate(1), _Dp(__a, 1)); | |
| ::new (__hold.get()) __func(__f_.first(), _Alloc(__a)); | |
| return __hold.release(); | |
| } | |
| template<class _Fp, class _Alloc, class _Rp> | |
| void | |
| __func<_Fp, _Alloc, _Rp()>::__clone(__base<_Rp()>* __p) const | |
| { | |
| ::new (__p) __func(__f_.first(), __f_.second()); | |
| } | |
| template<class _Fp, class _Alloc, class _Rp> | |
| void | |
| __func<_Fp, _Alloc, _Rp()>::destroy() | |
| { | |
| __f_.~__compressed_pair<_Fp, _Alloc>(); | |
| } | |
| template<class _Fp, class _Alloc, class _Rp> | |
| void | |
| __func<_Fp, _Alloc, _Rp()>::destroy_deallocate() | |
| { | |
| typedef allocator_traits<_Alloc> __alloc_traits; | |
| typedef typename __rebind_alloc_helper<__alloc_traits, __func>::type _Ap; | |
| _Ap __a(__f_.second()); | |
| __f_.~__compressed_pair<_Fp, _Alloc>(); | |
| __a.deallocate(this, 1); | |
| } | |
| template<class _Fp, class _Alloc, class _Rp> | |
| _Rp | |
| __func<_Fp, _Alloc, _Rp()>::operator()() | |
| { | |
| typedef __invoke_void_return_wrapper<_Rp> _Invoker; | |
| return _Invoker::__call(__f_.first()); | |
| } | |
| #ifndef _LIBCPP_NO_RTTI | |
| template<class _Fp, class _Alloc, class _Rp> | |
| const void* | |
| __func<_Fp, _Alloc, _Rp()>::target(const type_info& __ti) const | |
| { | |
| if (__ti == typeid(_Fp)) | |
| return &__f_.first(); | |
| return (const void*)0; | |
| } | |
| template<class _Fp, class _Alloc, class _Rp> | |
| const std::type_info& | |
| __func<_Fp, _Alloc, _Rp()>::target_type() const | |
| { | |
| return typeid(_Fp); | |
| } | |
| #endif // _LIBCPP_NO_RTTI | |
| template<class _Fp, class _Alloc, class _Rp, class _A0> | |
| class __func<_Fp, _Alloc, _Rp(_A0)> | |
| : public __base<_Rp(_A0)> | |
| { | |
| __compressed_pair<_Fp, _Alloc> __f_; | |
| public: | |
| _LIBCPP_INLINE_VISIBILITY explicit __func(_Fp __f) : __f_(_VSTD::move(__f)) {} | |
| _LIBCPP_INLINE_VISIBILITY explicit __func(_Fp __f, _Alloc __a) | |
| : __f_(_VSTD::move(__f), _VSTD::move(__a)) {} | |
| virtual __base<_Rp(_A0)>* __clone() const; | |
| virtual void __clone(__base<_Rp(_A0)>*) const; | |
| virtual void destroy(); | |
| virtual void destroy_deallocate(); | |
| virtual _Rp operator()(_A0); | |
| #ifndef _LIBCPP_NO_RTTI | |
| virtual const void* target(const type_info&) const; | |
| virtual const std::type_info& target_type() const; | |
| #endif // _LIBCPP_NO_RTTI | |
| }; | |
| template<class _Fp, class _Alloc, class _Rp, class _A0> | |
| __base<_Rp(_A0)>* | |
| __func<_Fp, _Alloc, _Rp(_A0)>::__clone() const | |
| { | |
| typedef allocator_traits<_Alloc> __alloc_traits; | |
| typedef typename __rebind_alloc_helper<__alloc_traits, __func>::type _Ap; | |
| _Ap __a(__f_.second()); | |
| typedef __allocator_destructor<_Ap> _Dp; | |
| unique_ptr<__func, _Dp> __hold(__a.allocate(1), _Dp(__a, 1)); | |
| ::new (__hold.get()) __func(__f_.first(), _Alloc(__a)); | |
| return __hold.release(); | |
| } | |
| template<class _Fp, class _Alloc, class _Rp, class _A0> | |
| void | |
| __func<_Fp, _Alloc, _Rp(_A0)>::__clone(__base<_Rp(_A0)>* __p) const | |
| { | |
| ::new (__p) __func(__f_.first(), __f_.second()); | |
| } | |
| template<class _Fp, class _Alloc, class _Rp, class _A0> | |
| void | |
| __func<_Fp, _Alloc, _Rp(_A0)>::destroy() | |
| { | |
| __f_.~__compressed_pair<_Fp, _Alloc>(); | |
| } | |
| template<class _Fp, class _Alloc, class _Rp, class _A0> | |
| void | |
| __func<_Fp, _Alloc, _Rp(_A0)>::destroy_deallocate() | |
| { | |
| typedef allocator_traits<_Alloc> __alloc_traits; | |
| typedef typename __rebind_alloc_helper<__alloc_traits, __func>::type _Ap; | |
| _Ap __a(__f_.second()); | |
| __f_.~__compressed_pair<_Fp, _Alloc>(); | |
| __a.deallocate(this, 1); | |
| } | |
| template<class _Fp, class _Alloc, class _Rp, class _A0> | |
| _Rp | |
| __func<_Fp, _Alloc, _Rp(_A0)>::operator()(_A0 __a0) | |
| { | |
| typedef __invoke_void_return_wrapper<_Rp> _Invoker; | |
| return _Invoker::__call(__f_.first(), __a0); | |
| } | |
| #ifndef _LIBCPP_NO_RTTI | |
| template<class _Fp, class _Alloc, class _Rp, class _A0> | |
| const void* | |
| __func<_Fp, _Alloc, _Rp(_A0)>::target(const type_info& __ti) const | |
| { | |
| if (__ti == typeid(_Fp)) | |
| return &__f_.first(); | |
| return (const void*)0; | |
| } | |
| template<class _Fp, class _Alloc, class _Rp, class _A0> | |
| const std::type_info& | |
| __func<_Fp, _Alloc, _Rp(_A0)>::target_type() const | |
| { | |
| return typeid(_Fp); | |
| } | |
| #endif // _LIBCPP_NO_RTTI | |
| template<class _Fp, class _Alloc, class _Rp, class _A0, class _A1> | |
| class __func<_Fp, _Alloc, _Rp(_A0, _A1)> | |
| : public __base<_Rp(_A0, _A1)> | |
| { | |
| __compressed_pair<_Fp, _Alloc> __f_; | |
| public: | |
| _LIBCPP_INLINE_VISIBILITY explicit __func(_Fp __f) : __f_(_VSTD::move(__f)) {} | |
| _LIBCPP_INLINE_VISIBILITY explicit __func(_Fp __f, _Alloc __a) | |
| : __f_(_VSTD::move(__f), _VSTD::move(__a)) {} | |
| virtual __base<_Rp(_A0, _A1)>* __clone() const; | |
| virtual void __clone(__base<_Rp(_A0, _A1)>*) const; | |
| virtual void destroy(); | |
| virtual void destroy_deallocate(); | |
| virtual _Rp operator()(_A0, _A1); | |
| #ifndef _LIBCPP_NO_RTTI | |
| virtual const void* target(const type_info&) const; | |
| virtual const std::type_info& target_type() const; | |
| #endif // _LIBCPP_NO_RTTI | |
| }; | |
| template<class _Fp, class _Alloc, class _Rp, class _A0, class _A1> | |
| __base<_Rp(_A0, _A1)>* | |
| __func<_Fp, _Alloc, _Rp(_A0, _A1)>::__clone() const | |
| { | |
| typedef allocator_traits<_Alloc> __alloc_traits; | |
| typedef typename __rebind_alloc_helper<__alloc_traits, __func>::type _Ap; | |
| _Ap __a(__f_.second()); | |
| typedef __allocator_destructor<_Ap> _Dp; | |
| unique_ptr<__func, _Dp> __hold(__a.allocate(1), _Dp(__a, 1)); | |
| ::new (__hold.get()) __func(__f_.first(), _Alloc(__a)); | |
| return __hold.release(); | |
| } | |
| template<class _Fp, class _Alloc, class _Rp, class _A0, class _A1> | |
| void | |
| __func<_Fp, _Alloc, _Rp(_A0, _A1)>::__clone(__base<_Rp(_A0, _A1)>* __p) const | |
| { | |
| ::new (__p) __func(__f_.first(), __f_.second()); | |
| } | |
| template<class _Fp, class _Alloc, class _Rp, class _A0, class _A1> | |
| void | |
| __func<_Fp, _Alloc, _Rp(_A0, _A1)>::destroy() | |
| { | |
| __f_.~__compressed_pair<_Fp, _Alloc>(); | |
| } | |
| template<class _Fp, class _Alloc, class _Rp, class _A0, class _A1> | |
| void | |
| __func<_Fp, _Alloc, _Rp(_A0, _A1)>::destroy_deallocate() | |
| { | |
| typedef allocator_traits<_Alloc> __alloc_traits; | |
| typedef typename __rebind_alloc_helper<__alloc_traits, __func>::type _Ap; | |
| _Ap __a(__f_.second()); | |
| __f_.~__compressed_pair<_Fp, _Alloc>(); | |
| __a.deallocate(this, 1); | |
| } | |
| template<class _Fp, class _Alloc, class _Rp, class _A0, class _A1> | |
| _Rp | |
| __func<_Fp, _Alloc, _Rp(_A0, _A1)>::operator()(_A0 __a0, _A1 __a1) | |
| { | |
| typedef __invoke_void_return_wrapper<_Rp> _Invoker; | |
| return _Invoker::__call(__f_.first(), __a0, __a1); | |
| } | |
| #ifndef _LIBCPP_NO_RTTI | |
| template<class _Fp, class _Alloc, class _Rp, class _A0, class _A1> | |
| const void* | |
| __func<_Fp, _Alloc, _Rp(_A0, _A1)>::target(const type_info& __ti) const | |
| { | |
| if (__ti == typeid(_Fp)) | |
| return &__f_.first(); | |
| return (const void*)0; | |
| } | |
| template<class _Fp, class _Alloc, class _Rp, class _A0, class _A1> | |
| const std::type_info& | |
| __func<_Fp, _Alloc, _Rp(_A0, _A1)>::target_type() const | |
| { | |
| return typeid(_Fp); | |
| } | |
| #endif // _LIBCPP_NO_RTTI | |
| template<class _Fp, class _Alloc, class _Rp, class _A0, class _A1, class _A2> | |
| class __func<_Fp, _Alloc, _Rp(_A0, _A1, _A2)> | |
| : public __base<_Rp(_A0, _A1, _A2)> | |
| { | |
| __compressed_pair<_Fp, _Alloc> __f_; | |
| public: | |
| _LIBCPP_INLINE_VISIBILITY explicit __func(_Fp __f) : __f_(_VSTD::move(__f)) {} | |
| _LIBCPP_INLINE_VISIBILITY explicit __func(_Fp __f, _Alloc __a) | |
| : __f_(_VSTD::move(__f), _VSTD::move(__a)) {} | |
| virtual __base<_Rp(_A0, _A1, _A2)>* __clone() const; | |
| virtual void __clone(__base<_Rp(_A0, _A1, _A2)>*) const; | |
| virtual void destroy(); | |
| virtual void destroy_deallocate(); | |
| virtual _Rp operator()(_A0, _A1, _A2); | |
| #ifndef _LIBCPP_NO_RTTI | |
| virtual const void* target(const type_info&) const; | |
| virtual const std::type_info& target_type() const; | |
| #endif // _LIBCPP_NO_RTTI | |
| }; | |
| template<class _Fp, class _Alloc, class _Rp, class _A0, class _A1, class _A2> | |
| __base<_Rp(_A0, _A1, _A2)>* | |
| __func<_Fp, _Alloc, _Rp(_A0, _A1, _A2)>::__clone() const | |
| { | |
| typedef allocator_traits<_Alloc> __alloc_traits; | |
| typedef typename __rebind_alloc_helper<__alloc_traits, __func>::type _Ap; | |
| _Ap __a(__f_.second()); | |
| typedef __allocator_destructor<_Ap> _Dp; | |
| unique_ptr<__func, _Dp> __hold(__a.allocate(1), _Dp(__a, 1)); | |
| ::new (__hold.get()) __func(__f_.first(), _Alloc(__a)); | |
| return __hold.release(); | |
| } | |
| template<class _Fp, class _Alloc, class _Rp, class _A0, class _A1, class _A2> | |
| void | |
| __func<_Fp, _Alloc, _Rp(_A0, _A1, _A2)>::__clone(__base<_Rp(_A0, _A1, _A2)>* __p) const | |
| { | |
| ::new (__p) __func(__f_.first(), __f_.second()); | |
| } | |
| template<class _Fp, class _Alloc, class _Rp, class _A0, class _A1, class _A2> | |
| void | |
| __func<_Fp, _Alloc, _Rp(_A0, _A1, _A2)>::destroy() | |
| { | |
| __f_.~__compressed_pair<_Fp, _Alloc>(); | |
| } | |
| template<class _Fp, class _Alloc, class _Rp, class _A0, class _A1, class _A2> | |
| void | |
| __func<_Fp, _Alloc, _Rp(_A0, _A1, _A2)>::destroy_deallocate() | |
| { | |
| typedef allocator_traits<_Alloc> __alloc_traits; | |
| typedef typename __rebind_alloc_helper<__alloc_traits, __func>::type _Ap; | |
| _Ap __a(__f_.second()); | |
| __f_.~__compressed_pair<_Fp, _Alloc>(); | |
| __a.deallocate(this, 1); | |
| } | |
| template<class _Fp, class _Alloc, class _Rp, class _A0, class _A1, class _A2> | |
| _Rp | |
| __func<_Fp, _Alloc, _Rp(_A0, _A1, _A2)>::operator()(_A0 __a0, _A1 __a1, _A2 __a2) | |
| { | |
| typedef __invoke_void_return_wrapper<_Rp> _Invoker; | |
| return _Invoker::__call(__f_.first(), __a0, __a1, __a2); | |
| } | |
| #ifndef _LIBCPP_NO_RTTI | |
| template<class _Fp, class _Alloc, class _Rp, class _A0, class _A1, class _A2> | |
| const void* | |
| __func<_Fp, _Alloc, _Rp(_A0, _A1, _A2)>::target(const type_info& __ti) const | |
| { | |
| if (__ti == typeid(_Fp)) | |
| return &__f_.first(); | |
| return (const void*)0; | |
| } | |
| template<class _Fp, class _Alloc, class _Rp, class _A0, class _A1, class _A2> | |
| const std::type_info& | |
| __func<_Fp, _Alloc, _Rp(_A0, _A1, _A2)>::target_type() const | |
| { | |
| return typeid(_Fp); | |
| } | |
| #endif // _LIBCPP_NO_RTTI | |
| } // __function | |
| template<class _Rp> | |
| class _LIBCPP_TEMPLATE_VIS function<_Rp()> | |
| { | |
| typedef __function::__base<_Rp()> __base; | |
| aligned_storage<3*sizeof(void*)>::type __buf_; | |
| __base* __f_; | |
| public: | |
| typedef _Rp result_type; | |
| // 20.7.16.2.1, construct/copy/destroy: | |
| _LIBCPP_INLINE_VISIBILITY explicit function() : __f_(0) {} | |
| _LIBCPP_INLINE_VISIBILITY function(nullptr_t) : __f_(0) {} | |
| function(const function&); | |
| template<class _Fp> | |
| function(_Fp, | |
| typename enable_if<!is_integral<_Fp>::value>::type* = 0); | |
| template<class _Alloc> | |
| _LIBCPP_INLINE_VISIBILITY | |
| function(allocator_arg_t, const _Alloc&) : __f_(0) {} | |
| template<class _Alloc> | |
| _LIBCPP_INLINE_VISIBILITY | |
| function(allocator_arg_t, const _Alloc&, nullptr_t) : __f_(0) {} | |
| template<class _Alloc> | |
| function(allocator_arg_t, const _Alloc&, const function&); | |
| template<class _Fp, class _Alloc> | |
| function(allocator_arg_t, const _Alloc& __a, _Fp __f, | |
| typename enable_if<!is_integral<_Fp>::value>::type* = 0); | |
| function& operator=(const function&); | |
| function& operator=(nullptr_t); | |
| template<class _Fp> | |
| typename enable_if | |
| < | |
| !is_integral<_Fp>::value, | |
| function& | |
| >::type | |
| operator=(_Fp); | |
| ~function(); | |
| // 20.7.16.2.2, function modifiers: | |
| void swap(function&); | |
| template<class _Fp, class _Alloc> | |
| _LIBCPP_INLINE_VISIBILITY | |
| void assign(_Fp __f, const _Alloc& __a) | |
| {function(allocator_arg, __a, __f).swap(*this);} | |
| // 20.7.16.2.3, function capacity: | |
| _LIBCPP_INLINE_VISIBILITY operator bool() const {return __f_;} | |
| private: | |
| // deleted overloads close possible hole in the type system | |
| template<class _R2> | |
| bool operator==(const function<_R2()>&) const;// = delete; | |
| template<class _R2> | |
| bool operator!=(const function<_R2()>&) const;// = delete; | |
| public: | |
| // 20.7.16.2.4, function invocation: | |
| _Rp operator()() const; | |
| #ifndef _LIBCPP_NO_RTTI | |
| // 20.7.16.2.5, function target access: | |
| const std::type_info& target_type() const; | |
| template <typename _Tp> _Tp* target(); | |
| template <typename _Tp> const _Tp* target() const; | |
| #endif // _LIBCPP_NO_RTTI | |
| }; | |
| template<class _Rp> | |
| function<_Rp()>::function(const function& __f) | |
| { | |
| if (__f.__f_ == 0) | |
| __f_ = 0; | |
| else if (__f.__f_ == (const __base*)&__f.__buf_) | |
| { | |
| __f_ = (__base*)&__buf_; | |
| __f.__f_->__clone(__f_); | |
| } | |
| else | |
| __f_ = __f.__f_->__clone(); | |
| } | |
| template<class _Rp> | |
| template<class _Alloc> | |
| function<_Rp()>::function(allocator_arg_t, const _Alloc&, const function& __f) | |
| { | |
| if (__f.__f_ == 0) | |
| __f_ = 0; | |
| else if (__f.__f_ == (const __base*)&__f.__buf_) | |
| { | |
| __f_ = (__base*)&__buf_; | |
| __f.__f_->__clone(__f_); | |
| } | |
| else | |
| __f_ = __f.__f_->__clone(); | |
| } | |
| template<class _Rp> | |
| template <class _Fp> | |
| function<_Rp()>::function(_Fp __f, | |
| typename enable_if<!is_integral<_Fp>::value>::type*) | |
| : __f_(0) | |
| { | |
| if (__function::__not_null(__f)) | |
| { | |
| typedef __function::__func<_Fp, allocator<_Fp>, _Rp()> _FF; | |
| if (sizeof(_FF) <= sizeof(__buf_)) | |
| { | |
| __f_ = (__base*)&__buf_; | |
| ::new (__f_) _FF(__f); | |
| } | |
| else | |
| { | |
| typedef allocator<_FF> _Ap; | |
| _Ap __a; | |
| typedef __allocator_destructor<_Ap> _Dp; | |
| unique_ptr<__base, _Dp> __hold(__a.allocate(1), _Dp(__a, 1)); | |
| ::new (__hold.get()) _FF(__f, allocator<_Fp>(__a)); | |
| __f_ = __hold.release(); | |
| } | |
| } | |
| } | |
| template<class _Rp> | |
| template <class _Fp, class _Alloc> | |
| function<_Rp()>::function(allocator_arg_t, const _Alloc& __a0, _Fp __f, | |
| typename enable_if<!is_integral<_Fp>::value>::type*) | |
| : __f_(0) | |
| { | |
| typedef allocator_traits<_Alloc> __alloc_traits; | |
| if (__function::__not_null(__f)) | |
| { | |
| typedef __function::__func<_Fp, _Alloc, _Rp()> _FF; | |
| if (sizeof(_FF) <= sizeof(__buf_)) | |
| { | |
| __f_ = (__base*)&__buf_; | |
| ::new (__f_) _FF(__f, __a0); | |
| } | |
| else | |
| { | |
| typedef typename __rebind_alloc_helper<__alloc_traits, _FF>::type _Ap; | |
| _Ap __a(__a0); | |
| typedef __allocator_destructor<_Ap> _Dp; | |
| unique_ptr<__base, _Dp> __hold(__a.allocate(1), _Dp(__a, 1)); | |
| ::new (__hold.get()) _FF(__f, _Alloc(__a)); | |
| __f_ = __hold.release(); | |
| } | |
| } | |
| } | |
| template<class _Rp> | |
| function<_Rp()>& | |
| function<_Rp()>::operator=(const function& __f) | |
| { | |
| if (__f) | |
| function(__f).swap(*this); | |
| else | |
| *this = nullptr; | |
| return *this; | |
| } | |
| template<class _Rp> | |
| function<_Rp()>& | |
| function<_Rp()>::operator=(nullptr_t) | |
| { | |
| __base* __t = __f_; | |
| __f_ = 0; | |
| if (__t == (__base*)&__buf_) | |
| __t->destroy(); | |
| else if (__t) | |
| __t->destroy_deallocate(); | |
| return *this; | |
| } | |
| template<class _Rp> | |
| template <class _Fp> | |
| typename enable_if | |
| < | |
| !is_integral<_Fp>::value, | |
| function<_Rp()>& | |
| >::type | |
| function<_Rp()>::operator=(_Fp __f) | |
| { | |
| function(_VSTD::move(__f)).swap(*this); | |
| return *this; | |
| } | |
| template<class _Rp> | |
| function<_Rp()>::~function() | |
| { | |
| if (__f_ == (__base*)&__buf_) | |
| __f_->destroy(); | |
| else if (__f_) | |
| __f_->destroy_deallocate(); | |
| } | |
| template<class _Rp> | |
| void | |
| function<_Rp()>::swap(function& __f) | |
| { | |
| if (_VSTD::addressof(__f) == this) | |
| return; | |
| if (__f_ == (__base*)&__buf_ && __f.__f_ == (__base*)&__f.__buf_) | |
| { | |
| typename aligned_storage<sizeof(__buf_)>::type __tempbuf; | |
| __base* __t = (__base*)&__tempbuf; | |
| __f_->__clone(__t); | |
| __f_->destroy(); | |
| __f_ = 0; | |
| __f.__f_->__clone((__base*)&__buf_); | |
| __f.__f_->destroy(); | |
| __f.__f_ = 0; | |
| __f_ = (__base*)&__buf_; | |
| __t->__clone((__base*)&__f.__buf_); | |
| __t->destroy(); | |
| __f.__f_ = (__base*)&__f.__buf_; | |
| } | |
| else if (__f_ == (__base*)&__buf_) | |
| { | |
| __f_->__clone((__base*)&__f.__buf_); | |
| __f_->destroy(); | |
| __f_ = __f.__f_; | |
| __f.__f_ = (__base*)&__f.__buf_; | |
| } | |
| else if (__f.__f_ == (__base*)&__f.__buf_) | |
| { | |
| __f.__f_->__clone((__base*)&__buf_); | |
| __f.__f_->destroy(); | |
| __f.__f_ = __f_; | |
| __f_ = (__base*)&__buf_; | |
| } | |
| else | |
| _VSTD::swap(__f_, __f.__f_); | |
| } | |
| template<class _Rp> | |
| _Rp | |
| function<_Rp()>::operator()() const | |
| { | |
| if (__f_ == 0) | |
| __throw_bad_function_call(); | |
| return (*__f_)(); | |
| } | |
| #ifndef _LIBCPP_NO_RTTI | |
| template<class _Rp> | |
| const std::type_info& | |
| function<_Rp()>::target_type() const | |
| { | |
| if (__f_ == 0) | |
| return typeid(void); | |
| return __f_->target_type(); | |
| } | |
| template<class _Rp> | |
| template <typename _Tp> | |
| _Tp* | |
| function<_Rp()>::target() | |
| { | |
| if (__f_ == 0) | |
| return (_Tp*)0; | |
| return (_Tp*) const_cast<void *>(__f_->target(typeid(_Tp))); | |
| } | |
| template<class _Rp> | |
| template <typename _Tp> | |
| const _Tp* | |
| function<_Rp()>::target() const | |
| { | |
| if (__f_ == 0) | |
| return (const _Tp*)0; | |
| return (const _Tp*)__f_->target(typeid(_Tp)); | |
| } | |
| #endif // _LIBCPP_NO_RTTI | |
| template<class _Rp, class _A0> | |
| class _LIBCPP_TEMPLATE_VIS function<_Rp(_A0)> | |
| : public unary_function<_A0, _Rp> | |
| { | |
| typedef __function::__base<_Rp(_A0)> __base; | |
| aligned_storage<3*sizeof(void*)>::type __buf_; | |
| __base* __f_; | |
| public: | |
| typedef _Rp result_type; | |
| // 20.7.16.2.1, construct/copy/destroy: | |
| _LIBCPP_INLINE_VISIBILITY explicit function() : __f_(0) {} | |
| _LIBCPP_INLINE_VISIBILITY function(nullptr_t) : __f_(0) {} | |
| function(const function&); | |
| template<class _Fp> | |
| function(_Fp, | |
| typename enable_if<!is_integral<_Fp>::value>::type* = 0); | |
| template<class _Alloc> | |
| _LIBCPP_INLINE_VISIBILITY | |
| function(allocator_arg_t, const _Alloc&) : __f_(0) {} | |
| template<class _Alloc> | |
| _LIBCPP_INLINE_VISIBILITY | |
| function(allocator_arg_t, const _Alloc&, nullptr_t) : __f_(0) {} | |
| template<class _Alloc> | |
| function(allocator_arg_t, const _Alloc&, const function&); | |
| template<class _Fp, class _Alloc> | |
| function(allocator_arg_t, const _Alloc& __a, _Fp __f, | |
| typename enable_if<!is_integral<_Fp>::value>::type* = 0); | |
| function& operator=(const function&); | |
| function& operator=(nullptr_t); | |
| template<class _Fp> | |
| typename enable_if | |
| < | |
| !is_integral<_Fp>::value, | |
| function& | |
| >::type | |
| operator=(_Fp); | |
| ~function(); | |
| // 20.7.16.2.2, function modifiers: | |
| void swap(function&); | |
| template<class _Fp, class _Alloc> | |
| _LIBCPP_INLINE_VISIBILITY | |
| void assign(_Fp __f, const _Alloc& __a) | |
| {function(allocator_arg, __a, __f).swap(*this);} | |
| // 20.7.16.2.3, function capacity: | |
| _LIBCPP_INLINE_VISIBILITY operator bool() const {return __f_;} | |
| private: | |
| // deleted overloads close possible hole in the type system | |
| template<class _R2, class _B0> | |
| bool operator==(const function<_R2(_B0)>&) const;// = delete; | |
| template<class _R2, class _B0> | |
| bool operator!=(const function<_R2(_B0)>&) const;// = delete; | |
| public: | |
| // 20.7.16.2.4, function invocation: | |
| _Rp operator()(_A0) const; | |
| #ifndef _LIBCPP_NO_RTTI | |
| // 20.7.16.2.5, function target access: | |
| const std::type_info& target_type() const; | |
| template <typename _Tp> _Tp* target(); | |
| template <typename _Tp> const _Tp* target() const; | |
| #endif // _LIBCPP_NO_RTTI | |
| }; | |
| template<class _Rp, class _A0> | |
| function<_Rp(_A0)>::function(const function& __f) | |
| { | |
| if (__f.__f_ == 0) | |
| __f_ = 0; | |
| else if (__f.__f_ == (const __base*)&__f.__buf_) | |
| { | |
| __f_ = (__base*)&__buf_; | |
| __f.__f_->__clone(__f_); | |
| } | |
| else | |
| __f_ = __f.__f_->__clone(); | |
| } | |
| template<class _Rp, class _A0> | |
| template<class _Alloc> | |
| function<_Rp(_A0)>::function(allocator_arg_t, const _Alloc&, const function& __f) | |
| { | |
| if (__f.__f_ == 0) | |
| __f_ = 0; | |
| else if (__f.__f_ == (const __base*)&__f.__buf_) | |
| { | |
| __f_ = (__base*)&__buf_; | |
| __f.__f_->__clone(__f_); | |
| } | |
| else | |
| __f_ = __f.__f_->__clone(); | |
| } | |
| template<class _Rp, class _A0> | |
| template <class _Fp> | |
| function<_Rp(_A0)>::function(_Fp __f, | |
| typename enable_if<!is_integral<_Fp>::value>::type*) | |
| : __f_(0) | |
| { | |
| if (__function::__not_null(__f)) | |
| { | |
| typedef __function::__func<_Fp, allocator<_Fp>, _Rp(_A0)> _FF; | |
| if (sizeof(_FF) <= sizeof(__buf_)) | |
| { | |
| __f_ = (__base*)&__buf_; | |
| ::new (__f_) _FF(__f); | |
| } | |
| else | |
| { | |
| typedef allocator<_FF> _Ap; | |
| _Ap __a; | |
| typedef __allocator_destructor<_Ap> _Dp; | |
| unique_ptr<__base, _Dp> __hold(__a.allocate(1), _Dp(__a, 1)); | |
| ::new (__hold.get()) _FF(__f, allocator<_Fp>(__a)); | |
| __f_ = __hold.release(); | |
| } | |
| } | |
| } | |
| template<class _Rp, class _A0> | |
| template <class _Fp, class _Alloc> | |
| function<_Rp(_A0)>::function(allocator_arg_t, const _Alloc& __a0, _Fp __f, | |
| typename enable_if<!is_integral<_Fp>::value>::type*) | |
| : __f_(0) | |
| { | |
| typedef allocator_traits<_Alloc> __alloc_traits; | |
| if (__function::__not_null(__f)) | |
| { | |
| typedef __function::__func<_Fp, _Alloc, _Rp(_A0)> _FF; | |
| if (sizeof(_FF) <= sizeof(__buf_)) | |
| { | |
| __f_ = (__base*)&__buf_; | |
| ::new (__f_) _FF(__f, __a0); | |
| } | |
| else | |
| { | |
| typedef typename __rebind_alloc_helper<__alloc_traits, _FF>::type _Ap; | |
| _Ap __a(__a0); | |
| typedef __allocator_destructor<_Ap> _Dp; | |
| unique_ptr<__base, _Dp> __hold(__a.allocate(1), _Dp(__a, 1)); | |
| ::new (__hold.get()) _FF(__f, _Alloc(__a)); | |
| __f_ = __hold.release(); | |
| } | |
| } | |
| } | |
| template<class _Rp, class _A0> | |
| function<_Rp(_A0)>& | |
| function<_Rp(_A0)>::operator=(const function& __f) | |
| { | |
| if (__f) | |
| function(__f).swap(*this); | |
| else | |
| *this = nullptr; | |
| return *this; | |
| } | |
| template<class _Rp, class _A0> | |
| function<_Rp(_A0)>& | |
| function<_Rp(_A0)>::operator=(nullptr_t) | |
| { | |
| __base* __t = __f_; | |
| __f_ = 0; | |
| if (__t == (__base*)&__buf_) | |
| __t->destroy(); | |
| else if (__t) | |
| __t->destroy_deallocate(); | |
| return *this; | |
| } | |
| template<class _Rp, class _A0> | |
| template <class _Fp> | |
| typename enable_if | |
| < | |
| !is_integral<_Fp>::value, | |
| function<_Rp(_A0)>& | |
| >::type | |
| function<_Rp(_A0)>::operator=(_Fp __f) | |
| { | |
| function(_VSTD::move(__f)).swap(*this); | |
| return *this; | |
| } | |
| template<class _Rp, class _A0> | |
| function<_Rp(_A0)>::~function() | |
| { | |
| if (__f_ == (__base*)&__buf_) | |
| __f_->destroy(); | |
| else if (__f_) | |
| __f_->destroy_deallocate(); | |
| } | |
| template<class _Rp, class _A0> | |
| void | |
| function<_Rp(_A0)>::swap(function& __f) | |
| { | |
| if (_VSTD::addressof(__f) == this) | |
| return; | |
| if (__f_ == (__base*)&__buf_ && __f.__f_ == (__base*)&__f.__buf_) | |
| { | |
| typename aligned_storage<sizeof(__buf_)>::type __tempbuf; | |
| __base* __t = (__base*)&__tempbuf; | |
| __f_->__clone(__t); | |
| __f_->destroy(); | |
| __f_ = 0; | |
| __f.__f_->__clone((__base*)&__buf_); | |
| __f.__f_->destroy(); | |
| __f.__f_ = 0; | |
| __f_ = (__base*)&__buf_; | |
| __t->__clone((__base*)&__f.__buf_); | |
| __t->destroy(); | |
| __f.__f_ = (__base*)&__f.__buf_; | |
| } | |
| else if (__f_ == (__base*)&__buf_) | |
| { | |
| __f_->__clone((__base*)&__f.__buf_); | |
| __f_->destroy(); | |
| __f_ = __f.__f_; | |
| __f.__f_ = (__base*)&__f.__buf_; | |
| } | |
| else if (__f.__f_ == (__base*)&__f.__buf_) | |
| { | |
| __f.__f_->__clone((__base*)&__buf_); | |
| __f.__f_->destroy(); | |
| __f.__f_ = __f_; | |
| __f_ = (__base*)&__buf_; | |
| } | |
| else | |
| _VSTD::swap(__f_, __f.__f_); | |
| } | |
| template<class _Rp, class _A0> | |
| _Rp | |
| function<_Rp(_A0)>::operator()(_A0 __a0) const | |
| { | |
| if (__f_ == 0) | |
| __throw_bad_function_call(); | |
| return (*__f_)(__a0); | |
| } | |
| #ifndef _LIBCPP_NO_RTTI | |
| template<class _Rp, class _A0> | |
| const std::type_info& | |
| function<_Rp(_A0)>::target_type() const | |
| { | |
| if (__f_ == 0) | |
| return typeid(void); | |
| return __f_->target_type(); | |
| } | |
| template<class _Rp, class _A0> | |
| template <typename _Tp> | |
| _Tp* | |
| function<_Rp(_A0)>::target() | |
| { | |
| if (__f_ == 0) | |
| return (_Tp*)0; | |
| return (_Tp*) const_cast<void *>(__f_->target(typeid(_Tp))); | |
| } | |
| template<class _Rp, class _A0> | |
| template <typename _Tp> | |
| const _Tp* | |
| function<_Rp(_A0)>::target() const | |
| { | |
| if (__f_ == 0) | |
| return (const _Tp*)0; | |
| return (const _Tp*)__f_->target(typeid(_Tp)); | |
| } | |
| #endif // _LIBCPP_NO_RTTI | |
| template<class _Rp, class _A0, class _A1> | |
| class _LIBCPP_TEMPLATE_VIS function<_Rp(_A0, _A1)> | |
| : public binary_function<_A0, _A1, _Rp> | |
| { | |
| typedef __function::__base<_Rp(_A0, _A1)> __base; | |
| aligned_storage<3*sizeof(void*)>::type __buf_; | |
| __base* __f_; | |
| public: | |
| typedef _Rp result_type; | |
| // 20.7.16.2.1, construct/copy/destroy: | |
| _LIBCPP_INLINE_VISIBILITY explicit function() : __f_(0) {} | |
| _LIBCPP_INLINE_VISIBILITY function(nullptr_t) : __f_(0) {} | |
| function(const function&); | |
| template<class _Fp> | |
| function(_Fp, | |
| typename enable_if<!is_integral<_Fp>::value>::type* = 0); | |
| template<class _Alloc> | |
| _LIBCPP_INLINE_VISIBILITY | |
| function(allocator_arg_t, const _Alloc&) : __f_(0) {} | |
| template<class _Alloc> | |
| _LIBCPP_INLINE_VISIBILITY | |
| function(allocator_arg_t, const _Alloc&, nullptr_t) : __f_(0) {} | |
| template<class _Alloc> | |
| function(allocator_arg_t, const _Alloc&, const function&); | |
| template<class _Fp, class _Alloc> | |
| function(allocator_arg_t, const _Alloc& __a, _Fp __f, | |
| typename enable_if<!is_integral<_Fp>::value>::type* = 0); | |
| function& operator=(const function&); | |
| function& operator=(nullptr_t); | |
| template<class _Fp> | |
| typename enable_if | |
| < | |
| !is_integral<_Fp>::value, | |
| function& | |
| >::type | |
| operator=(_Fp); | |
| ~function(); | |
| // 20.7.16.2.2, function modifiers: | |
| void swap(function&); | |
| template<class _Fp, class _Alloc> | |
| _LIBCPP_INLINE_VISIBILITY | |
| void assign(_Fp __f, const _Alloc& __a) | |
| {function(allocator_arg, __a, __f).swap(*this);} | |
| // 20.7.16.2.3, function capacity: | |
| operator bool() const {return __f_;} | |
| private: | |
| // deleted overloads close possible hole in the type system | |
| template<class _R2, class _B0, class _B1> | |
| bool operator==(const function<_R2(_B0, _B1)>&) const;// = delete; | |
| template<class _R2, class _B0, class _B1> | |
| bool operator!=(const function<_R2(_B0, _B1)>&) const;// = delete; | |
| public: | |
| // 20.7.16.2.4, function invocation: | |
| _Rp operator()(_A0, _A1) const; | |
| #ifndef _LIBCPP_NO_RTTI | |
| // 20.7.16.2.5, function target access: | |
| const std::type_info& target_type() const; | |
| template <typename _Tp> _Tp* target(); | |
| template <typename _Tp> const _Tp* target() const; | |
| #endif // _LIBCPP_NO_RTTI | |
| }; | |
| template<class _Rp, class _A0, class _A1> | |
| function<_Rp(_A0, _A1)>::function(const function& __f) | |
| { | |
| if (__f.__f_ == 0) | |
| __f_ = 0; | |
| else if (__f.__f_ == (const __base*)&__f.__buf_) | |
| { | |
| __f_ = (__base*)&__buf_; | |
| __f.__f_->__clone(__f_); | |
| } | |
| else | |
| __f_ = __f.__f_->__clone(); | |
| } | |
| template<class _Rp, class _A0, class _A1> | |
| template<class _Alloc> | |
| function<_Rp(_A0, _A1)>::function(allocator_arg_t, const _Alloc&, const function& __f) | |
| { | |
| if (__f.__f_ == 0) | |
| __f_ = 0; | |
| else if (__f.__f_ == (const __base*)&__f.__buf_) | |
| { | |
| __f_ = (__base*)&__buf_; | |
| __f.__f_->__clone(__f_); | |
| } | |
| else | |
| __f_ = __f.__f_->__clone(); | |
| } | |
| template<class _Rp, class _A0, class _A1> | |
| template <class _Fp> | |
| function<_Rp(_A0, _A1)>::function(_Fp __f, | |
| typename enable_if<!is_integral<_Fp>::value>::type*) | |
| : __f_(0) | |
| { | |
| if (__function::__not_null(__f)) | |
| { | |
| typedef __function::__func<_Fp, allocator<_Fp>, _Rp(_A0, _A1)> _FF; | |
| if (sizeof(_FF) <= sizeof(__buf_)) | |
| { | |
| __f_ = (__base*)&__buf_; | |
| ::new (__f_) _FF(__f); | |
| } | |
| else | |
| { | |
| typedef allocator<_FF> _Ap; | |
| _Ap __a; | |
| typedef __allocator_destructor<_Ap> _Dp; | |
| unique_ptr<__base, _Dp> __hold(__a.allocate(1), _Dp(__a, 1)); | |
| ::new (__hold.get()) _FF(__f, allocator<_Fp>(__a)); | |
| __f_ = __hold.release(); | |
| } | |
| } | |
| } | |
| template<class _Rp, class _A0, class _A1> | |
| template <class _Fp, class _Alloc> | |
| function<_Rp(_A0, _A1)>::function(allocator_arg_t, const _Alloc& __a0, _Fp __f, | |
| typename enable_if<!is_integral<_Fp>::value>::type*) | |
| : __f_(0) | |
| { | |
| typedef allocator_traits<_Alloc> __alloc_traits; | |
| if (__function::__not_null(__f)) | |
| { | |
| typedef __function::__func<_Fp, _Alloc, _Rp(_A0, _A1)> _FF; | |
| if (sizeof(_FF) <= sizeof(__buf_)) | |
| { | |
| __f_ = (__base*)&__buf_; | |
| ::new (__f_) _FF(__f, __a0); | |
| } | |
| else | |
| { | |
| typedef typename __rebind_alloc_helper<__alloc_traits, _FF>::type _Ap; | |
| _Ap __a(__a0); | |
| typedef __allocator_destructor<_Ap> _Dp; | |
| unique_ptr<__base, _Dp> __hold(__a.allocate(1), _Dp(__a, 1)); | |
| ::new (__hold.get()) _FF(__f, _Alloc(__a)); | |
| __f_ = __hold.release(); | |
| } | |
| } | |
| } | |
| template<class _Rp, class _A0, class _A1> | |
| function<_Rp(_A0, _A1)>& | |
| function<_Rp(_A0, _A1)>::operator=(const function& __f) | |
| { | |
| if (__f) | |
| function(__f).swap(*this); | |
| else | |
| *this = nullptr; | |
| return *this; | |
| } | |
| template<class _Rp, class _A0, class _A1> | |
| function<_Rp(_A0, _A1)>& | |
| function<_Rp(_A0, _A1)>::operator=(nullptr_t) | |
| { | |
| __base* __t = __f_; | |
| __f_ = 0; | |
| if (__t == (__base*)&__buf_) | |
| __t->destroy(); | |
| else if (__t) | |
| __t->destroy_deallocate(); | |
| return *this; | |
| } | |
| template<class _Rp, class _A0, class _A1> | |
| template <class _Fp> | |
| typename enable_if | |
| < | |
| !is_integral<_Fp>::value, | |
| function<_Rp(_A0, _A1)>& | |
| >::type | |
| function<_Rp(_A0, _A1)>::operator=(_Fp __f) | |
| { | |
| function(_VSTD::move(__f)).swap(*this); | |
| return *this; | |
| } | |
| template<class _Rp, class _A0, class _A1> | |
| function<_Rp(_A0, _A1)>::~function() | |
| { | |
| if (__f_ == (__base*)&__buf_) | |
| __f_->destroy(); | |
| else if (__f_) | |
| __f_->destroy_deallocate(); | |
| } | |
| template<class _Rp, class _A0, class _A1> | |
| void | |
| function<_Rp(_A0, _A1)>::swap(function& __f) | |
| { | |
| if (_VSTD::addressof(__f) == this) | |
| return; | |
| if (__f_ == (__base*)&__buf_ && __f.__f_ == (__base*)&__f.__buf_) | |
| { | |
| typename aligned_storage<sizeof(__buf_)>::type __tempbuf; | |
| __base* __t = (__base*)&__tempbuf; | |
| __f_->__clone(__t); | |
| __f_->destroy(); | |
| __f_ = 0; | |
| __f.__f_->__clone((__base*)&__buf_); | |
| __f.__f_->destroy(); | |
| __f.__f_ = 0; | |
| __f_ = (__base*)&__buf_; | |
| __t->__clone((__base*)&__f.__buf_); | |
| __t->destroy(); | |
| __f.__f_ = (__base*)&__f.__buf_; | |
| } | |
| else if (__f_ == (__base*)&__buf_) | |
| { | |
| __f_->__clone((__base*)&__f.__buf_); | |
| __f_->destroy(); | |
| __f_ = __f.__f_; | |
| __f.__f_ = (__base*)&__f.__buf_; | |
| } | |
| else if (__f.__f_ == (__base*)&__f.__buf_) | |
| { | |
| __f.__f_->__clone((__base*)&__buf_); | |
| __f.__f_->destroy(); | |
| __f.__f_ = __f_; | |
| __f_ = (__base*)&__buf_; | |
| } | |
| else | |
| _VSTD::swap(__f_, __f.__f_); | |
| } | |
| template<class _Rp, class _A0, class _A1> | |
| _Rp | |
| function<_Rp(_A0, _A1)>::operator()(_A0 __a0, _A1 __a1) const | |
| { | |
| if (__f_ == 0) | |
| __throw_bad_function_call(); | |
| return (*__f_)(__a0, __a1); | |
| } | |
| #ifndef _LIBCPP_NO_RTTI | |
| template<class _Rp, class _A0, class _A1> | |
| const std::type_info& | |
| function<_Rp(_A0, _A1)>::target_type() const | |
| { | |
| if (__f_ == 0) | |
| return typeid(void); | |
| return __f_->target_type(); | |
| } | |
| template<class _Rp, class _A0, class _A1> | |
| template <typename _Tp> | |
| _Tp* | |
| function<_Rp(_A0, _A1)>::target() | |
| { | |
| if (__f_ == 0) | |
| return (_Tp*)0; | |
| return (_Tp*) const_cast<void *>(__f_->target(typeid(_Tp))); | |
| } | |
| template<class _Rp, class _A0, class _A1> | |
| template <typename _Tp> | |
| const _Tp* | |
| function<_Rp(_A0, _A1)>::target() const | |
| { | |
| if (__f_ == 0) | |
| return (const _Tp*)0; | |
| return (const _Tp*)__f_->target(typeid(_Tp)); | |
| } | |
| #endif // _LIBCPP_NO_RTTI | |
| template<class _Rp, class _A0, class _A1, class _A2> | |
| class _LIBCPP_TEMPLATE_VIS function<_Rp(_A0, _A1, _A2)> | |
| { | |
| typedef __function::__base<_Rp(_A0, _A1, _A2)> __base; | |
| aligned_storage<3*sizeof(void*)>::type __buf_; | |
| __base* __f_; | |
| public: | |
| typedef _Rp result_type; | |
| // 20.7.16.2.1, construct/copy/destroy: | |
| _LIBCPP_INLINE_VISIBILITY explicit function() : __f_(0) {} | |
| _LIBCPP_INLINE_VISIBILITY function(nullptr_t) : __f_(0) {} | |
| function(const function&); | |
| template<class _Fp> | |
| function(_Fp, | |
| typename enable_if<!is_integral<_Fp>::value>::type* = 0); | |
| template<class _Alloc> | |
| _LIBCPP_INLINE_VISIBILITY | |
| function(allocator_arg_t, const _Alloc&) : __f_(0) {} | |
| template<class _Alloc> | |
| _LIBCPP_INLINE_VISIBILITY | |
| function(allocator_arg_t, const _Alloc&, nullptr_t) : __f_(0) {} | |
| template<class _Alloc> | |
| function(allocator_arg_t, const _Alloc&, const function&); | |
| template<class _Fp, class _Alloc> | |
| function(allocator_arg_t, const _Alloc& __a, _Fp __f, | |
| typename enable_if<!is_integral<_Fp>::value>::type* = 0); | |
| function& operator=(const function&); | |
| function& operator=(nullptr_t); | |
| template<class _Fp> | |
| typename enable_if | |
| < | |
| !is_integral<_Fp>::value, | |
| function& | |
| >::type | |
| operator=(_Fp); | |
| ~function(); | |
| // 20.7.16.2.2, function modifiers: | |
| void swap(function&); | |
| template<class _Fp, class _Alloc> | |
| _LIBCPP_INLINE_VISIBILITY | |
| void assign(_Fp __f, const _Alloc& __a) | |
| {function(allocator_arg, __a, __f).swap(*this);} | |
| // 20.7.16.2.3, function capacity: | |
| _LIBCPP_INLINE_VISIBILITY operator bool() const {return __f_;} | |
| private: | |
| // deleted overloads close possible hole in the type system | |
| template<class _R2, class _B0, class _B1, class _B2> | |
| bool operator==(const function<_R2(_B0, _B1, _B2)>&) const;// = delete; | |
| template<class _R2, class _B0, class _B1, class _B2> | |
| bool operator!=(const function<_R2(_B0, _B1, _B2)>&) const;// = delete; | |
| public: | |
| // 20.7.16.2.4, function invocation: | |
| _Rp operator()(_A0, _A1, _A2) const; | |
| #ifndef _LIBCPP_NO_RTTI | |
| // 20.7.16.2.5, function target access: | |
| const std::type_info& target_type() const; | |
| template <typename _Tp> _Tp* target(); | |
| template <typename _Tp> const _Tp* target() const; | |
| #endif // _LIBCPP_NO_RTTI | |
| }; | |
| template<class _Rp, class _A0, class _A1, class _A2> | |
| function<_Rp(_A0, _A1, _A2)>::function(const function& __f) | |
| { | |
| if (__f.__f_ == 0) | |
| __f_ = 0; | |
| else if (__f.__f_ == (const __base*)&__f.__buf_) | |
| { | |
| __f_ = (__base*)&__buf_; | |
| __f.__f_->__clone(__f_); | |
| } | |
| else | |
| __f_ = __f.__f_->__clone(); | |
| } | |
| template<class _Rp, class _A0, class _A1, class _A2> | |
| template<class _Alloc> | |
| function<_Rp(_A0, _A1, _A2)>::function(allocator_arg_t, const _Alloc&, | |
| const function& __f) | |
| { | |
| if (__f.__f_ == 0) | |
| __f_ = 0; | |
| else if (__f.__f_ == (const __base*)&__f.__buf_) | |
| { | |
| __f_ = (__base*)&__buf_; | |
| __f.__f_->__clone(__f_); | |
| } | |
| else | |
| __f_ = __f.__f_->__clone(); | |
| } | |
| template<class _Rp, class _A0, class _A1, class _A2> | |
| template <class _Fp> | |
| function<_Rp(_A0, _A1, _A2)>::function(_Fp __f, | |
| typename enable_if<!is_integral<_Fp>::value>::type*) | |
| : __f_(0) | |
| { | |
| if (__function::__not_null(__f)) | |
| { | |
| typedef __function::__func<_Fp, allocator<_Fp>, _Rp(_A0, _A1, _A2)> _FF; | |
| if (sizeof(_FF) <= sizeof(__buf_)) | |
| { | |
| __f_ = (__base*)&__buf_; | |
| ::new (__f_) _FF(__f); | |
| } | |
| else | |
| { | |
| typedef allocator<_FF> _Ap; | |
| _Ap __a; | |
| typedef __allocator_destructor<_Ap> _Dp; | |
| unique_ptr<__base, _Dp> __hold(__a.allocate(1), _Dp(__a, 1)); | |
| ::new (__hold.get()) _FF(__f, allocator<_Fp>(__a)); | |
| __f_ = __hold.release(); | |
| } | |
| } | |
| } | |
| template<class _Rp, class _A0, class _A1, class _A2> | |
| template <class _Fp, class _Alloc> | |
| function<_Rp(_A0, _A1, _A2)>::function(allocator_arg_t, const _Alloc& __a0, _Fp __f, | |
| typename enable_if<!is_integral<_Fp>::value>::type*) | |
| : __f_(0) | |
| { | |
| typedef allocator_traits<_Alloc> __alloc_traits; | |
| if (__function::__not_null(__f)) | |
| { | |
| typedef __function::__func<_Fp, _Alloc, _Rp(_A0, _A1, _A2)> _FF; | |
| if (sizeof(_FF) <= sizeof(__buf_)) | |
| { | |
| __f_ = (__base*)&__buf_; | |
| ::new (__f_) _FF(__f, __a0); | |
| } | |
| else | |
| { | |
| typedef typename __rebind_alloc_helper<__alloc_traits, _FF>::type _Ap; | |
| _Ap __a(__a0); | |
| typedef __allocator_destructor<_Ap> _Dp; | |
| unique_ptr<__base, _Dp> __hold(__a.allocate(1), _Dp(__a, 1)); | |
| ::new (__hold.get()) _FF(__f, _Alloc(__a)); | |
| __f_ = __hold.release(); | |
| } | |
| } | |
| } | |
| template<class _Rp, class _A0, class _A1, class _A2> | |
| function<_Rp(_A0, _A1, _A2)>& | |
| function<_Rp(_A0, _A1, _A2)>::operator=(const function& __f) | |
| { | |
| if (__f) | |
| function(__f).swap(*this); | |
| else | |
| *this = nullptr; | |
| return *this; | |
| } | |
| template<class _Rp, class _A0, class _A1, class _A2> | |
| function<_Rp(_A0, _A1, _A2)>& | |
| function<_Rp(_A0, _A1, _A2)>::operator=(nullptr_t) | |
| { | |
| __base* __t = __f_; | |
| __f_ = 0; | |
| if (__t == (__base*)&__buf_) | |
| __t->destroy(); | |
| else if (__t) | |
| __t->destroy_deallocate(); | |
| return *this; | |
| } | |
| template<class _Rp, class _A0, class _A1, class _A2> | |
| template <class _Fp> | |
| typename enable_if | |
| < | |
| !is_integral<_Fp>::value, | |
| function<_Rp(_A0, _A1, _A2)>& | |
| >::type | |
| function<_Rp(_A0, _A1, _A2)>::operator=(_Fp __f) | |
| { | |
| function(_VSTD::move(__f)).swap(*this); | |
| return *this; | |
| } | |
| template<class _Rp, class _A0, class _A1, class _A2> | |
| function<_Rp(_A0, _A1, _A2)>::~function() | |
| { | |
| if (__f_ == (__base*)&__buf_) | |
| __f_->destroy(); | |
| else if (__f_) | |
| __f_->destroy_deallocate(); | |
| } | |
| template<class _Rp, class _A0, class _A1, class _A2> | |
| void | |
| function<_Rp(_A0, _A1, _A2)>::swap(function& __f) | |
| { | |
| if (_VSTD::addressof(__f) == this) | |
| return; | |
| if (__f_ == (__base*)&__buf_ && __f.__f_ == (__base*)&__f.__buf_) | |
| { | |
| typename aligned_storage<sizeof(__buf_)>::type __tempbuf; | |
| __base* __t = (__base*)&__tempbuf; | |
| __f_->__clone(__t); | |
| __f_->destroy(); | |
| __f_ = 0; | |
| __f.__f_->__clone((__base*)&__buf_); | |
| __f.__f_->destroy(); | |
| __f.__f_ = 0; | |
| __f_ = (__base*)&__buf_; | |
| __t->__clone((__base*)&__f.__buf_); | |
| __t->destroy(); | |
| __f.__f_ = (__base*)&__f.__buf_; | |
| } | |
| else if (__f_ == (__base*)&__buf_) | |
| { | |
| __f_->__clone((__base*)&__f.__buf_); | |
| __f_->destroy(); | |
| __f_ = __f.__f_; | |
| __f.__f_ = (__base*)&__f.__buf_; | |
| } | |
| else if (__f.__f_ == (__base*)&__f.__buf_) | |
| { | |
| __f.__f_->__clone((__base*)&__buf_); | |
| __f.__f_->destroy(); | |
| __f.__f_ = __f_; | |
| __f_ = (__base*)&__buf_; | |
| } | |
| else | |
| _VSTD::swap(__f_, __f.__f_); | |
| } | |
| template<class _Rp, class _A0, class _A1, class _A2> | |
| _Rp | |
| function<_Rp(_A0, _A1, _A2)>::operator()(_A0 __a0, _A1 __a1, _A2 __a2) const | |
| { | |
| if (__f_ == 0) | |
| __throw_bad_function_call(); | |
| return (*__f_)(__a0, __a1, __a2); | |
| } | |
| #ifndef _LIBCPP_NO_RTTI | |
| template<class _Rp, class _A0, class _A1, class _A2> | |
| const std::type_info& | |
| function<_Rp(_A0, _A1, _A2)>::target_type() const | |
| { | |
| if (__f_ == 0) | |
| return typeid(void); | |
| return __f_->target_type(); | |
| } | |
| template<class _Rp, class _A0, class _A1, class _A2> | |
| template <typename _Tp> | |
| _Tp* | |
| function<_Rp(_A0, _A1, _A2)>::target() | |
| { | |
| if (__f_ == 0) | |
| return (_Tp*)0; | |
| return (_Tp*) const_cast<void *>(__f_->target(typeid(_Tp))); | |
| } | |
| template<class _Rp, class _A0, class _A1, class _A2> | |
| template <typename _Tp> | |
| const _Tp* | |
| function<_Rp(_A0, _A1, _A2)>::target() const | |
| { | |
| if (__f_ == 0) | |
| return (const _Tp*)0; | |
| return (const _Tp*)__f_->target(typeid(_Tp)); | |
| } | |
| #endif // _LIBCPP_NO_RTTI | |
| template <class _Fp> | |
| inline _LIBCPP_INLINE_VISIBILITY | |
| bool | |
| operator==(const function<_Fp>& __f, nullptr_t) {return !__f;} | |
| template <class _Fp> | |
| inline _LIBCPP_INLINE_VISIBILITY | |
| bool | |
| operator==(nullptr_t, const function<_Fp>& __f) {return !__f;} | |
| template <class _Fp> | |
| inline _LIBCPP_INLINE_VISIBILITY | |
| bool | |
| operator!=(const function<_Fp>& __f, nullptr_t) {return (bool)__f;} | |
| template <class _Fp> | |
| inline _LIBCPP_INLINE_VISIBILITY | |
| bool | |
| operator!=(nullptr_t, const function<_Fp>& __f) {return (bool)__f;} | |
| template <class _Fp> | |
| inline _LIBCPP_INLINE_VISIBILITY | |
| void | |
| swap(function<_Fp>& __x, function<_Fp>& __y) | |
| {return __x.swap(__y);} | |
| #endif // _LIBCPP_FUNCTIONAL_03 |