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| 1 | 13 | up20180614 | // -*- C++ -*- |
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| 2 | //===----------------------------------------------------------------------===// |
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| 3 | // |
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| 4 | // The LLVM Compiler Infrastructure |
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| 5 | // |
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| 6 | // This file is dual licensed under the MIT and the University of Illinois Open |
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| 7 | // Source Licenses. See LICENSE.TXT for details. |
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| 8 | // |
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| 9 | //===----------------------------------------------------------------------===// |
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| 10 | |||
| 11 | #ifndef _LIBCPP_FUNCTIONAL_03 |
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| 12 | #define _LIBCPP_FUNCTIONAL_03 |
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| 13 | |||
| 14 | // manual variadic expansion for <functional> |
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| 15 | |||
| 16 | #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) |
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| 17 | #pragma GCC system_header |
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| 18 | #endif |
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| 19 | |||
| 20 | namespace __function {
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| 21 | |||
| 22 | template<class _Fp> class __base; |
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| 23 | |||
| 24 | template<class _Rp> |
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| 25 | class __base<_Rp()> |
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| 26 | {
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| 27 | __base(const __base&); |
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| 28 | __base& operator=(const __base&); |
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| 29 | public: |
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| 30 | __base() {}
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| 31 | virtual ~__base() {}
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| 32 | virtual __base* __clone() const = 0; |
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| 33 | virtual void __clone(__base*) const = 0; |
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| 34 | virtual void destroy() = 0; |
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| 35 | virtual void destroy_deallocate() = 0; |
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| 36 | virtual _Rp operator()() = 0; |
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| 37 | #ifndef _LIBCPP_NO_RTTI |
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| 38 | virtual const void* target(const type_info&) const = 0; |
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| 39 | virtual const std::type_info& target_type() const = 0; |
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| 40 | #endif // _LIBCPP_NO_RTTI |
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| 41 | }; |
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| 42 | |||
| 43 | template<class _Rp, class _A0> |
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| 44 | class __base<_Rp(_A0)> |
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| 45 | {
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| 46 | __base(const __base&); |
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| 47 | __base& operator=(const __base&); |
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| 48 | public: |
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| 49 | __base() {}
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| 50 | virtual ~__base() {}
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| 51 | virtual __base* __clone() const = 0; |
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| 52 | virtual void __clone(__base*) const = 0; |
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| 53 | virtual void destroy() = 0; |
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| 54 | virtual void destroy_deallocate() = 0; |
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| 55 | virtual _Rp operator()(_A0) = 0; |
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| 56 | #ifndef _LIBCPP_NO_RTTI |
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| 57 | virtual const void* target(const type_info&) const = 0; |
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| 58 | virtual const std::type_info& target_type() const = 0; |
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| 59 | #endif // _LIBCPP_NO_RTTI |
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| 60 | }; |
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| 61 | |||
| 62 | template<class _Rp, class _A0, class _A1> |
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| 63 | class __base<_Rp(_A0, _A1)> |
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| 64 | {
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| 65 | __base(const __base&); |
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| 66 | __base& operator=(const __base&); |
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| 67 | public: |
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| 68 | __base() {}
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| 69 | virtual ~__base() {}
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| 70 | virtual __base* __clone() const = 0; |
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| 71 | virtual void __clone(__base*) const = 0; |
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| 72 | virtual void destroy() = 0; |
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| 73 | virtual void destroy_deallocate() = 0; |
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| 74 | virtual _Rp operator()(_A0, _A1) = 0; |
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| 75 | #ifndef _LIBCPP_NO_RTTI |
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| 76 | virtual const void* target(const type_info&) const = 0; |
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| 77 | virtual const std::type_info& target_type() const = 0; |
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| 78 | #endif // _LIBCPP_NO_RTTI |
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| 79 | }; |
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| 80 | |||
| 81 | template<class _Rp, class _A0, class _A1, class _A2> |
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| 82 | class __base<_Rp(_A0, _A1, _A2)> |
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| 83 | {
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| 84 | __base(const __base&); |
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| 85 | __base& operator=(const __base&); |
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| 86 | public: |
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| 87 | __base() {}
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| 88 | virtual ~__base() {}
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| 89 | virtual __base* __clone() const = 0; |
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| 90 | virtual void __clone(__base*) const = 0; |
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| 91 | virtual void destroy() = 0; |
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| 92 | virtual void destroy_deallocate() = 0; |
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| 93 | virtual _Rp operator()(_A0, _A1, _A2) = 0; |
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| 94 | #ifndef _LIBCPP_NO_RTTI |
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| 95 | virtual const void* target(const type_info&) const = 0; |
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| 96 | virtual const std::type_info& target_type() const = 0; |
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| 97 | #endif // _LIBCPP_NO_RTTI |
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| 98 | }; |
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| 99 | |||
| 100 | template<class _FD, class _Alloc, class _FB> class __func; |
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| 101 | |||
| 102 | template<class _Fp, class _Alloc, class _Rp> |
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| 103 | class __func<_Fp, _Alloc, _Rp()> |
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| 104 | : public __base<_Rp()> |
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| 105 | {
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| 106 | __compressed_pair<_Fp, _Alloc> __f_; |
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| 107 | public: |
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| 108 | explicit __func(_Fp __f) : __f_(_VSTD::move(__f)) {}
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| 109 | explicit __func(_Fp __f, _Alloc __a) : __f_(_VSTD::move(__f), _VSTD::move(__a)) {}
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| 110 | virtual __base<_Rp()>* __clone() const; |
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| 111 | virtual void __clone(__base<_Rp()>*) const; |
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| 112 | virtual void destroy(); |
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| 113 | virtual void destroy_deallocate(); |
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| 114 | virtual _Rp operator()(); |
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| 115 | #ifndef _LIBCPP_NO_RTTI |
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| 116 | virtual const void* target(const type_info&) const; |
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| 117 | virtual const std::type_info& target_type() const; |
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| 118 | #endif // _LIBCPP_NO_RTTI |
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| 119 | }; |
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| 120 | |||
| 121 | template<class _Fp, class _Alloc, class _Rp> |
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| 122 | __base<_Rp()>* |
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| 123 | __func<_Fp, _Alloc, _Rp()>::__clone() const |
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| 124 | {
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| 125 | typedef allocator_traits<_Alloc> __alloc_traits; |
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| 126 | typedef typename __rebind_alloc_helper<__alloc_traits, __func>::type _Ap; |
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| 127 | _Ap __a(__f_.second()); |
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| 128 | typedef __allocator_destructor<_Ap> _Dp; |
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| 129 | unique_ptr<__func, _Dp> __hold(__a.allocate(1), _Dp(__a, 1)); |
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| 130 | ::new (__hold.get()) __func(__f_.first(), _Alloc(__a)); |
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| 131 | return __hold.release(); |
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| 132 | } |
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| 133 | |||
| 134 | template<class _Fp, class _Alloc, class _Rp> |
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| 135 | void |
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| 136 | __func<_Fp, _Alloc, _Rp()>::__clone(__base<_Rp()>* __p) const |
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| 137 | {
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| 138 | ::new (__p) __func(__f_.first(), __f_.second()); |
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| 139 | } |
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| 140 | |||
| 141 | template<class _Fp, class _Alloc, class _Rp> |
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| 142 | void |
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| 143 | __func<_Fp, _Alloc, _Rp()>::destroy() |
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| 144 | {
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| 145 | __f_.~__compressed_pair<_Fp, _Alloc>(); |
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| 146 | } |
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| 147 | |||
| 148 | template<class _Fp, class _Alloc, class _Rp> |
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| 149 | void |
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| 150 | __func<_Fp, _Alloc, _Rp()>::destroy_deallocate() |
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| 151 | {
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| 152 | typedef allocator_traits<_Alloc> __alloc_traits; |
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| 153 | typedef typename __rebind_alloc_helper<__alloc_traits, __func>::type _Ap; |
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| 154 | _Ap __a(__f_.second()); |
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| 155 | __f_.~__compressed_pair<_Fp, _Alloc>(); |
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| 156 | __a.deallocate(this, 1); |
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| 157 | } |
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| 158 | |||
| 159 | template<class _Fp, class _Alloc, class _Rp> |
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| 160 | _Rp |
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| 161 | __func<_Fp, _Alloc, _Rp()>::operator()() |
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| 162 | {
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| 163 | typedef __invoke_void_return_wrapper<_Rp> _Invoker; |
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| 164 | return _Invoker::__call(__f_.first()); |
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| 165 | } |
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| 166 | |||
| 167 | #ifndef _LIBCPP_NO_RTTI |
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| 168 | |||
| 169 | template<class _Fp, class _Alloc, class _Rp> |
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| 170 | const void* |
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| 171 | __func<_Fp, _Alloc, _Rp()>::target(const type_info& __ti) const |
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| 172 | {
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| 173 | if (__ti == typeid(_Fp)) |
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| 174 | return &__f_.first(); |
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| 175 | return (const void*)0; |
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| 176 | } |
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| 177 | |||
| 178 | template<class _Fp, class _Alloc, class _Rp> |
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| 179 | const std::type_info& |
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| 180 | __func<_Fp, _Alloc, _Rp()>::target_type() const |
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| 181 | {
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| 182 | return typeid(_Fp); |
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| 183 | } |
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| 184 | |||
| 185 | #endif // _LIBCPP_NO_RTTI |
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| 186 | |||
| 187 | template<class _Fp, class _Alloc, class _Rp, class _A0> |
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| 188 | class __func<_Fp, _Alloc, _Rp(_A0)> |
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| 189 | : public __base<_Rp(_A0)> |
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| 190 | {
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| 191 | __compressed_pair<_Fp, _Alloc> __f_; |
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| 192 | public: |
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| 193 | _LIBCPP_INLINE_VISIBILITY explicit __func(_Fp __f) : __f_(_VSTD::move(__f)) {}
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| 194 | _LIBCPP_INLINE_VISIBILITY explicit __func(_Fp __f, _Alloc __a) |
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| 195 | : __f_(_VSTD::move(__f), _VSTD::move(__a)) {}
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| 196 | virtual __base<_Rp(_A0)>* __clone() const; |
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| 197 | virtual void __clone(__base<_Rp(_A0)>*) const; |
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| 198 | virtual void destroy(); |
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| 199 | virtual void destroy_deallocate(); |
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| 200 | virtual _Rp operator()(_A0); |
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| 201 | #ifndef _LIBCPP_NO_RTTI |
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| 202 | virtual const void* target(const type_info&) const; |
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| 203 | virtual const std::type_info& target_type() const; |
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| 204 | #endif // _LIBCPP_NO_RTTI |
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| 205 | }; |
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| 206 | |||
| 207 | template<class _Fp, class _Alloc, class _Rp, class _A0> |
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| 208 | __base<_Rp(_A0)>* |
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| 209 | __func<_Fp, _Alloc, _Rp(_A0)>::__clone() const |
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| 210 | {
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| 211 | typedef allocator_traits<_Alloc> __alloc_traits; |
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| 212 | typedef typename __rebind_alloc_helper<__alloc_traits, __func>::type _Ap; |
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| 213 | _Ap __a(__f_.second()); |
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| 214 | typedef __allocator_destructor<_Ap> _Dp; |
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| 215 | unique_ptr<__func, _Dp> __hold(__a.allocate(1), _Dp(__a, 1)); |
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| 216 | ::new (__hold.get()) __func(__f_.first(), _Alloc(__a)); |
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| 217 | return __hold.release(); |
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| 218 | } |
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| 219 | |||
| 220 | template<class _Fp, class _Alloc, class _Rp, class _A0> |
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| 221 | void |
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| 222 | __func<_Fp, _Alloc, _Rp(_A0)>::__clone(__base<_Rp(_A0)>* __p) const |
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| 223 | {
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| 224 | ::new (__p) __func(__f_.first(), __f_.second()); |
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| 225 | } |
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| 226 | |||
| 227 | template<class _Fp, class _Alloc, class _Rp, class _A0> |
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| 228 | void |
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| 229 | __func<_Fp, _Alloc, _Rp(_A0)>::destroy() |
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| 230 | {
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| 231 | __f_.~__compressed_pair<_Fp, _Alloc>(); |
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| 232 | } |
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| 233 | |||
| 234 | template<class _Fp, class _Alloc, class _Rp, class _A0> |
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| 235 | void |
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| 236 | __func<_Fp, _Alloc, _Rp(_A0)>::destroy_deallocate() |
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| 237 | {
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| 238 | typedef allocator_traits<_Alloc> __alloc_traits; |
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| 239 | typedef typename __rebind_alloc_helper<__alloc_traits, __func>::type _Ap; |
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| 240 | _Ap __a(__f_.second()); |
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| 241 | __f_.~__compressed_pair<_Fp, _Alloc>(); |
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| 242 | __a.deallocate(this, 1); |
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| 243 | } |
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| 244 | |||
| 245 | template<class _Fp, class _Alloc, class _Rp, class _A0> |
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| 246 | _Rp |
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| 247 | __func<_Fp, _Alloc, _Rp(_A0)>::operator()(_A0 __a0) |
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| 248 | {
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| 249 | typedef __invoke_void_return_wrapper<_Rp> _Invoker; |
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| 250 | return _Invoker::__call(__f_.first(), __a0); |
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| 251 | } |
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| 252 | |||
| 253 | #ifndef _LIBCPP_NO_RTTI |
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| 254 | |||
| 255 | template<class _Fp, class _Alloc, class _Rp, class _A0> |
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| 256 | const void* |
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| 257 | __func<_Fp, _Alloc, _Rp(_A0)>::target(const type_info& __ti) const |
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| 258 | {
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| 259 | if (__ti == typeid(_Fp)) |
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| 260 | return &__f_.first(); |
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| 261 | return (const void*)0; |
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| 262 | } |
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| 263 | |||
| 264 | template<class _Fp, class _Alloc, class _Rp, class _A0> |
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| 265 | const std::type_info& |
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| 266 | __func<_Fp, _Alloc, _Rp(_A0)>::target_type() const |
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| 267 | {
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| 268 | return typeid(_Fp); |
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| 269 | } |
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| 270 | |||
| 271 | #endif // _LIBCPP_NO_RTTI |
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| 272 | |||
| 273 | template<class _Fp, class _Alloc, class _Rp, class _A0, class _A1> |
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| 274 | class __func<_Fp, _Alloc, _Rp(_A0, _A1)> |
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| 275 | : public __base<_Rp(_A0, _A1)> |
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| 276 | {
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| 277 | __compressed_pair<_Fp, _Alloc> __f_; |
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| 278 | public: |
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| 279 | _LIBCPP_INLINE_VISIBILITY explicit __func(_Fp __f) : __f_(_VSTD::move(__f)) {}
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| 280 | _LIBCPP_INLINE_VISIBILITY explicit __func(_Fp __f, _Alloc __a) |
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| 281 | : __f_(_VSTD::move(__f), _VSTD::move(__a)) {}
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| 282 | virtual __base<_Rp(_A0, _A1)>* __clone() const; |
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| 283 | virtual void __clone(__base<_Rp(_A0, _A1)>*) const; |
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| 284 | virtual void destroy(); |
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| 285 | virtual void destroy_deallocate(); |
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| 286 | virtual _Rp operator()(_A0, _A1); |
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| 287 | #ifndef _LIBCPP_NO_RTTI |
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| 288 | virtual const void* target(const type_info&) const; |
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| 289 | virtual const std::type_info& target_type() const; |
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| 290 | #endif // _LIBCPP_NO_RTTI |
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| 291 | }; |
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| 292 | |||
| 293 | template<class _Fp, class _Alloc, class _Rp, class _A0, class _A1> |
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| 294 | __base<_Rp(_A0, _A1)>* |
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| 295 | __func<_Fp, _Alloc, _Rp(_A0, _A1)>::__clone() const |
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| 296 | {
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| 297 | typedef allocator_traits<_Alloc> __alloc_traits; |
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| 298 | typedef typename __rebind_alloc_helper<__alloc_traits, __func>::type _Ap; |
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| 299 | _Ap __a(__f_.second()); |
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| 300 | typedef __allocator_destructor<_Ap> _Dp; |
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| 301 | unique_ptr<__func, _Dp> __hold(__a.allocate(1), _Dp(__a, 1)); |
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| 302 | ::new (__hold.get()) __func(__f_.first(), _Alloc(__a)); |
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| 303 | return __hold.release(); |
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| 304 | } |
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| 305 | |||
| 306 | template<class _Fp, class _Alloc, class _Rp, class _A0, class _A1> |
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| 307 | void |
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| 308 | __func<_Fp, _Alloc, _Rp(_A0, _A1)>::__clone(__base<_Rp(_A0, _A1)>* __p) const |
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| 309 | {
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| 310 | ::new (__p) __func(__f_.first(), __f_.second()); |
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| 311 | } |
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| 312 | |||
| 313 | template<class _Fp, class _Alloc, class _Rp, class _A0, class _A1> |
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| 314 | void |
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| 315 | __func<_Fp, _Alloc, _Rp(_A0, _A1)>::destroy() |
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| 316 | {
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| 317 | __f_.~__compressed_pair<_Fp, _Alloc>(); |
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| 318 | } |
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| 319 | |||
| 320 | template<class _Fp, class _Alloc, class _Rp, class _A0, class _A1> |
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| 321 | void |
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| 322 | __func<_Fp, _Alloc, _Rp(_A0, _A1)>::destroy_deallocate() |
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| 323 | {
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| 324 | typedef allocator_traits<_Alloc> __alloc_traits; |
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| 325 | typedef typename __rebind_alloc_helper<__alloc_traits, __func>::type _Ap; |
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| 326 | _Ap __a(__f_.second()); |
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| 327 | __f_.~__compressed_pair<_Fp, _Alloc>(); |
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| 328 | __a.deallocate(this, 1); |
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| 329 | } |
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| 330 | |||
| 331 | template<class _Fp, class _Alloc, class _Rp, class _A0, class _A1> |
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| 332 | _Rp |
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| 333 | __func<_Fp, _Alloc, _Rp(_A0, _A1)>::operator()(_A0 __a0, _A1 __a1) |
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| 334 | {
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| 335 | typedef __invoke_void_return_wrapper<_Rp> _Invoker; |
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| 336 | return _Invoker::__call(__f_.first(), __a0, __a1); |
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| 337 | } |
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| 338 | |||
| 339 | #ifndef _LIBCPP_NO_RTTI |
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| 340 | |||
| 341 | template<class _Fp, class _Alloc, class _Rp, class _A0, class _A1> |
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| 342 | const void* |
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| 343 | __func<_Fp, _Alloc, _Rp(_A0, _A1)>::target(const type_info& __ti) const |
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| 344 | {
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| 345 | if (__ti == typeid(_Fp)) |
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| 346 | return &__f_.first(); |
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| 347 | return (const void*)0; |
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| 348 | } |
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| 349 | |||
| 350 | template<class _Fp, class _Alloc, class _Rp, class _A0, class _A1> |
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| 351 | const std::type_info& |
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| 352 | __func<_Fp, _Alloc, _Rp(_A0, _A1)>::target_type() const |
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| 353 | {
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| 354 | return typeid(_Fp); |
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| 355 | } |
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| 356 | |||
| 357 | #endif // _LIBCPP_NO_RTTI |
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| 358 | |||
| 359 | template<class _Fp, class _Alloc, class _Rp, class _A0, class _A1, class _A2> |
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| 360 | class __func<_Fp, _Alloc, _Rp(_A0, _A1, _A2)> |
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| 361 | : public __base<_Rp(_A0, _A1, _A2)> |
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| 362 | {
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| 363 | __compressed_pair<_Fp, _Alloc> __f_; |
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| 364 | public: |
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| 365 | _LIBCPP_INLINE_VISIBILITY explicit __func(_Fp __f) : __f_(_VSTD::move(__f)) {}
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| 366 | _LIBCPP_INLINE_VISIBILITY explicit __func(_Fp __f, _Alloc __a) |
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| 367 | : __f_(_VSTD::move(__f), _VSTD::move(__a)) {}
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| 368 | virtual __base<_Rp(_A0, _A1, _A2)>* __clone() const; |
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| 369 | virtual void __clone(__base<_Rp(_A0, _A1, _A2)>*) const; |
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| 370 | virtual void destroy(); |
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| 371 | virtual void destroy_deallocate(); |
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| 372 | virtual _Rp operator()(_A0, _A1, _A2); |
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| 373 | #ifndef _LIBCPP_NO_RTTI |
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| 374 | virtual const void* target(const type_info&) const; |
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| 375 | virtual const std::type_info& target_type() const; |
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| 376 | #endif // _LIBCPP_NO_RTTI |
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| 377 | }; |
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| 378 | |||
| 379 | template<class _Fp, class _Alloc, class _Rp, class _A0, class _A1, class _A2> |
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| 380 | __base<_Rp(_A0, _A1, _A2)>* |
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| 381 | __func<_Fp, _Alloc, _Rp(_A0, _A1, _A2)>::__clone() const |
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| 382 | {
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| 383 | typedef allocator_traits<_Alloc> __alloc_traits; |
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| 384 | typedef typename __rebind_alloc_helper<__alloc_traits, __func>::type _Ap; |
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| 385 | _Ap __a(__f_.second()); |
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| 386 | typedef __allocator_destructor<_Ap> _Dp; |
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| 387 | unique_ptr<__func, _Dp> __hold(__a.allocate(1), _Dp(__a, 1)); |
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| 388 | ::new (__hold.get()) __func(__f_.first(), _Alloc(__a)); |
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| 389 | return __hold.release(); |
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| 390 | } |
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| 391 | |||
| 392 | template<class _Fp, class _Alloc, class _Rp, class _A0, class _A1, class _A2> |
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| 393 | void |
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| 394 | __func<_Fp, _Alloc, _Rp(_A0, _A1, _A2)>::__clone(__base<_Rp(_A0, _A1, _A2)>* __p) const |
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| 395 | {
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| 396 | ::new (__p) __func(__f_.first(), __f_.second()); |
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| 397 | } |
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| 398 | |||
| 399 | template<class _Fp, class _Alloc, class _Rp, class _A0, class _A1, class _A2> |
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| 400 | void |
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| 401 | __func<_Fp, _Alloc, _Rp(_A0, _A1, _A2)>::destroy() |
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| 402 | {
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| 403 | __f_.~__compressed_pair<_Fp, _Alloc>(); |
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| 404 | } |
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| 405 | |||
| 406 | template<class _Fp, class _Alloc, class _Rp, class _A0, class _A1, class _A2> |
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| 407 | void |
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| 408 | __func<_Fp, _Alloc, _Rp(_A0, _A1, _A2)>::destroy_deallocate() |
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| 409 | {
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| 410 | typedef allocator_traits<_Alloc> __alloc_traits; |
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| 411 | typedef typename __rebind_alloc_helper<__alloc_traits, __func>::type _Ap; |
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| 412 | _Ap __a(__f_.second()); |
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| 413 | __f_.~__compressed_pair<_Fp, _Alloc>(); |
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| 414 | __a.deallocate(this, 1); |
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| 415 | } |
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| 416 | |||
| 417 | template<class _Fp, class _Alloc, class _Rp, class _A0, class _A1, class _A2> |
||
| 418 | _Rp |
||
| 419 | __func<_Fp, _Alloc, _Rp(_A0, _A1, _A2)>::operator()(_A0 __a0, _A1 __a1, _A2 __a2) |
||
| 420 | {
|
||
| 421 | typedef __invoke_void_return_wrapper<_Rp> _Invoker; |
||
| 422 | return _Invoker::__call(__f_.first(), __a0, __a1, __a2); |
||
| 423 | } |
||
| 424 | |||
| 425 | #ifndef _LIBCPP_NO_RTTI |
||
| 426 | |||
| 427 | template<class _Fp, class _Alloc, class _Rp, class _A0, class _A1, class _A2> |
||
| 428 | const void* |
||
| 429 | __func<_Fp, _Alloc, _Rp(_A0, _A1, _A2)>::target(const type_info& __ti) const |
||
| 430 | {
|
||
| 431 | if (__ti == typeid(_Fp)) |
||
| 432 | return &__f_.first(); |
||
| 433 | return (const void*)0; |
||
| 434 | } |
||
| 435 | |||
| 436 | template<class _Fp, class _Alloc, class _Rp, class _A0, class _A1, class _A2> |
||
| 437 | const std::type_info& |
||
| 438 | __func<_Fp, _Alloc, _Rp(_A0, _A1, _A2)>::target_type() const |
||
| 439 | {
|
||
| 440 | return typeid(_Fp); |
||
| 441 | } |
||
| 442 | |||
| 443 | #endif // _LIBCPP_NO_RTTI |
||
| 444 | |||
| 445 | } // __function |
||
| 446 | |||
| 447 | template<class _Rp> |
||
| 448 | class _LIBCPP_TYPE_VIS_ONLY function<_Rp()> |
||
| 449 | {
|
||
| 450 | typedef __function::__base<_Rp()> __base; |
||
| 451 | aligned_storage<3*sizeof(void*)>::type __buf_; |
||
| 452 | __base* __f_; |
||
| 453 | |||
| 454 | public: |
||
| 455 | typedef _Rp result_type; |
||
| 456 | |||
| 457 | // 20.7.16.2.1, construct/copy/destroy: |
||
| 458 | _LIBCPP_INLINE_VISIBILITY explicit function() : __f_(0) {}
|
||
| 459 | _LIBCPP_INLINE_VISIBILITY function(nullptr_t) : __f_(0) {}
|
||
| 460 | function(const function&); |
||
| 461 | template<class _Fp> |
||
| 462 | function(_Fp, |
||
| 463 | typename enable_if<!is_integral<_Fp>::value>::type* = 0); |
||
| 464 | |||
| 465 | template<class _Alloc> |
||
| 466 | _LIBCPP_INLINE_VISIBILITY |
||
| 467 | function(allocator_arg_t, const _Alloc&) : __f_(0) {}
|
||
| 468 | template<class _Alloc> |
||
| 469 | _LIBCPP_INLINE_VISIBILITY |
||
| 470 | function(allocator_arg_t, const _Alloc&, nullptr_t) : __f_(0) {}
|
||
| 471 | template<class _Alloc> |
||
| 472 | function(allocator_arg_t, const _Alloc&, const function&); |
||
| 473 | template<class _Fp, class _Alloc> |
||
| 474 | function(allocator_arg_t, const _Alloc& __a, _Fp __f, |
||
| 475 | typename enable_if<!is_integral<_Fp>::value>::type* = 0); |
||
| 476 | |||
| 477 | function& operator=(const function&); |
||
| 478 | function& operator=(nullptr_t); |
||
| 479 | template<class _Fp> |
||
| 480 | typename enable_if |
||
| 481 | < |
||
| 482 | !is_integral<_Fp>::value, |
||
| 483 | function& |
||
| 484 | >::type |
||
| 485 | operator=(_Fp); |
||
| 486 | |||
| 487 | ~function(); |
||
| 488 | |||
| 489 | // 20.7.16.2.2, function modifiers: |
||
| 490 | void swap(function&); |
||
| 491 | template<class _Fp, class _Alloc> |
||
| 492 | _LIBCPP_INLINE_VISIBILITY |
||
| 493 | void assign(_Fp __f, const _Alloc& __a) |
||
| 494 | {function(allocator_arg, __a, __f).swap(*this);}
|
||
| 495 | |||
| 496 | // 20.7.16.2.3, function capacity: |
||
| 497 | _LIBCPP_INLINE_VISIBILITY operator bool() const {return __f_;}
|
||
| 498 | |||
| 499 | private: |
||
| 500 | // deleted overloads close possible hole in the type system |
||
| 501 | template<class _R2> |
||
| 502 | bool operator==(const function<_R2()>&) const;// = delete; |
||
| 503 | template<class _R2> |
||
| 504 | bool operator!=(const function<_R2()>&) const;// = delete; |
||
| 505 | public: |
||
| 506 | // 20.7.16.2.4, function invocation: |
||
| 507 | _Rp operator()() const; |
||
| 508 | |||
| 509 | #ifndef _LIBCPP_NO_RTTI |
||
| 510 | // 20.7.16.2.5, function target access: |
||
| 511 | const std::type_info& target_type() const; |
||
| 512 | template <typename _Tp> _Tp* target(); |
||
| 513 | template <typename _Tp> const _Tp* target() const; |
||
| 514 | #endif // _LIBCPP_NO_RTTI |
||
| 515 | }; |
||
| 516 | |||
| 517 | template<class _Rp> |
||
| 518 | function<_Rp()>::function(const function& __f) |
||
| 519 | {
|
||
| 520 | if (__f.__f_ == 0) |
||
| 521 | __f_ = 0; |
||
| 522 | else if (__f.__f_ == (const __base*)&__f.__buf_) |
||
| 523 | {
|
||
| 524 | __f_ = (__base*)&__buf_; |
||
| 525 | __f.__f_->__clone(__f_); |
||
| 526 | } |
||
| 527 | else |
||
| 528 | __f_ = __f.__f_->__clone(); |
||
| 529 | } |
||
| 530 | |||
| 531 | template<class _Rp> |
||
| 532 | template<class _Alloc> |
||
| 533 | function<_Rp()>::function(allocator_arg_t, const _Alloc&, const function& __f) |
||
| 534 | {
|
||
| 535 | if (__f.__f_ == 0) |
||
| 536 | __f_ = 0; |
||
| 537 | else if (__f.__f_ == (const __base*)&__f.__buf_) |
||
| 538 | {
|
||
| 539 | __f_ = (__base*)&__buf_; |
||
| 540 | __f.__f_->__clone(__f_); |
||
| 541 | } |
||
| 542 | else |
||
| 543 | __f_ = __f.__f_->__clone(); |
||
| 544 | } |
||
| 545 | |||
| 546 | template<class _Rp> |
||
| 547 | template <class _Fp> |
||
| 548 | function<_Rp()>::function(_Fp __f, |
||
| 549 | typename enable_if<!is_integral<_Fp>::value>::type*) |
||
| 550 | : __f_(0) |
||
| 551 | {
|
||
| 552 | if (__function::__not_null(__f)) |
||
| 553 | {
|
||
| 554 | typedef __function::__func<_Fp, allocator<_Fp>, _Rp()> _FF; |
||
| 555 | if (sizeof(_FF) <= sizeof(__buf_)) |
||
| 556 | {
|
||
| 557 | __f_ = (__base*)&__buf_; |
||
| 558 | ::new (__f_) _FF(__f); |
||
| 559 | } |
||
| 560 | else |
||
| 561 | {
|
||
| 562 | typedef allocator<_FF> _Ap; |
||
| 563 | _Ap __a; |
||
| 564 | typedef __allocator_destructor<_Ap> _Dp; |
||
| 565 | unique_ptr<__base, _Dp> __hold(__a.allocate(1), _Dp(__a, 1)); |
||
| 566 | ::new (__hold.get()) _FF(__f, allocator<_Fp>(__a)); |
||
| 567 | __f_ = __hold.release(); |
||
| 568 | } |
||
| 569 | } |
||
| 570 | } |
||
| 571 | |||
| 572 | template<class _Rp> |
||
| 573 | template <class _Fp, class _Alloc> |
||
| 574 | function<_Rp()>::function(allocator_arg_t, const _Alloc& __a0, _Fp __f, |
||
| 575 | typename enable_if<!is_integral<_Fp>::value>::type*) |
||
| 576 | : __f_(0) |
||
| 577 | {
|
||
| 578 | typedef allocator_traits<_Alloc> __alloc_traits; |
||
| 579 | if (__function::__not_null(__f)) |
||
| 580 | {
|
||
| 581 | typedef __function::__func<_Fp, _Alloc, _Rp()> _FF; |
||
| 582 | if (sizeof(_FF) <= sizeof(__buf_)) |
||
| 583 | {
|
||
| 584 | __f_ = (__base*)&__buf_; |
||
| 585 | ::new (__f_) _FF(__f, __a0); |
||
| 586 | } |
||
| 587 | else |
||
| 588 | {
|
||
| 589 | typedef typename __rebind_alloc_helper<__alloc_traits, _FF>::type _Ap; |
||
| 590 | _Ap __a(__a0); |
||
| 591 | typedef __allocator_destructor<_Ap> _Dp; |
||
| 592 | unique_ptr<__base, _Dp> __hold(__a.allocate(1), _Dp(__a, 1)); |
||
| 593 | ::new (__hold.get()) _FF(__f, _Alloc(__a)); |
||
| 594 | __f_ = __hold.release(); |
||
| 595 | } |
||
| 596 | } |
||
| 597 | } |
||
| 598 | |||
| 599 | template<class _Rp> |
||
| 600 | function<_Rp()>& |
||
| 601 | function<_Rp()>::operator=(const function& __f) |
||
| 602 | {
|
||
| 603 | function(__f).swap(*this); |
||
| 604 | return *this; |
||
| 605 | } |
||
| 606 | |||
| 607 | template<class _Rp> |
||
| 608 | function<_Rp()>& |
||
| 609 | function<_Rp()>::operator=(nullptr_t) |
||
| 610 | {
|
||
| 611 | if (__f_ == (__base*)&__buf_) |
||
| 612 | __f_->destroy(); |
||
| 613 | else if (__f_) |
||
| 614 | __f_->destroy_deallocate(); |
||
| 615 | __f_ = 0; |
||
| 616 | return *this; |
||
| 617 | } |
||
| 618 | |||
| 619 | template<class _Rp> |
||
| 620 | template <class _Fp> |
||
| 621 | typename enable_if |
||
| 622 | < |
||
| 623 | !is_integral<_Fp>::value, |
||
| 624 | function<_Rp()>& |
||
| 625 | >::type |
||
| 626 | function<_Rp()>::operator=(_Fp __f) |
||
| 627 | {
|
||
| 628 | function(_VSTD::move(__f)).swap(*this); |
||
| 629 | return *this; |
||
| 630 | } |
||
| 631 | |||
| 632 | template<class _Rp> |
||
| 633 | function<_Rp()>::~function() |
||
| 634 | {
|
||
| 635 | if (__f_ == (__base*)&__buf_) |
||
| 636 | __f_->destroy(); |
||
| 637 | else if (__f_) |
||
| 638 | __f_->destroy_deallocate(); |
||
| 639 | } |
||
| 640 | |||
| 641 | template<class _Rp> |
||
| 642 | void |
||
| 643 | function<_Rp()>::swap(function& __f) |
||
| 644 | {
|
||
| 645 | if (__f_ == (__base*)&__buf_ && __f.__f_ == (__base*)&__f.__buf_) |
||
| 646 | {
|
||
| 647 | typename aligned_storage<sizeof(__buf_)>::type __tempbuf; |
||
| 648 | __base* __t = (__base*)&__tempbuf; |
||
| 649 | __f_->__clone(__t); |
||
| 650 | __f_->destroy(); |
||
| 651 | __f_ = 0; |
||
| 652 | __f.__f_->__clone((__base*)&__buf_); |
||
| 653 | __f.__f_->destroy(); |
||
| 654 | __f.__f_ = 0; |
||
| 655 | __f_ = (__base*)&__buf_; |
||
| 656 | __t->__clone((__base*)&__f.__buf_); |
||
| 657 | __t->destroy(); |
||
| 658 | __f.__f_ = (__base*)&__f.__buf_; |
||
| 659 | } |
||
| 660 | else if (__f_ == (__base*)&__buf_) |
||
| 661 | {
|
||
| 662 | __f_->__clone((__base*)&__f.__buf_); |
||
| 663 | __f_->destroy(); |
||
| 664 | __f_ = __f.__f_; |
||
| 665 | __f.__f_ = (__base*)&__f.__buf_; |
||
| 666 | } |
||
| 667 | else if (__f.__f_ == (__base*)&__f.__buf_) |
||
| 668 | {
|
||
| 669 | __f.__f_->__clone((__base*)&__buf_); |
||
| 670 | __f.__f_->destroy(); |
||
| 671 | __f.__f_ = __f_; |
||
| 672 | __f_ = (__base*)&__buf_; |
||
| 673 | } |
||
| 674 | else |
||
| 675 | _VSTD::swap(__f_, __f.__f_); |
||
| 676 | } |
||
| 677 | |||
| 678 | template<class _Rp> |
||
| 679 | _Rp |
||
| 680 | function<_Rp()>::operator()() const |
||
| 681 | {
|
||
| 682 | #ifndef _LIBCPP_NO_EXCEPTIONS |
||
| 683 | if (__f_ == 0) |
||
| 684 | throw bad_function_call(); |
||
| 685 | #endif // _LIBCPP_NO_EXCEPTIONS |
||
| 686 | return (*__f_)(); |
||
| 687 | } |
||
| 688 | |||
| 689 | #ifndef _LIBCPP_NO_RTTI |
||
| 690 | |||
| 691 | template<class _Rp> |
||
| 692 | const std::type_info& |
||
| 693 | function<_Rp()>::target_type() const |
||
| 694 | {
|
||
| 695 | if (__f_ == 0) |
||
| 696 | return typeid(void); |
||
| 697 | return __f_->target_type(); |
||
| 698 | } |
||
| 699 | |||
| 700 | template<class _Rp> |
||
| 701 | template <typename _Tp> |
||
| 702 | _Tp* |
||
| 703 | function<_Rp()>::target() |
||
| 704 | {
|
||
| 705 | if (__f_ == 0) |
||
| 706 | return (_Tp*)0; |
||
| 707 | return (_Tp*)__f_->target(typeid(_Tp)); |
||
| 708 | } |
||
| 709 | |||
| 710 | template<class _Rp> |
||
| 711 | template <typename _Tp> |
||
| 712 | const _Tp* |
||
| 713 | function<_Rp()>::target() const |
||
| 714 | {
|
||
| 715 | if (__f_ == 0) |
||
| 716 | return (const _Tp*)0; |
||
| 717 | return (const _Tp*)__f_->target(typeid(_Tp)); |
||
| 718 | } |
||
| 719 | |||
| 720 | #endif // _LIBCPP_NO_RTTI |
||
| 721 | |||
| 722 | template<class _Rp, class _A0> |
||
| 723 | class _LIBCPP_TYPE_VIS_ONLY function<_Rp(_A0)> |
||
| 724 | : public unary_function<_A0, _Rp> |
||
| 725 | {
|
||
| 726 | typedef __function::__base<_Rp(_A0)> __base; |
||
| 727 | aligned_storage<3*sizeof(void*)>::type __buf_; |
||
| 728 | __base* __f_; |
||
| 729 | |||
| 730 | public: |
||
| 731 | typedef _Rp result_type; |
||
| 732 | |||
| 733 | // 20.7.16.2.1, construct/copy/destroy: |
||
| 734 | _LIBCPP_INLINE_VISIBILITY explicit function() : __f_(0) {}
|
||
| 735 | _LIBCPP_INLINE_VISIBILITY function(nullptr_t) : __f_(0) {}
|
||
| 736 | function(const function&); |
||
| 737 | template<class _Fp> |
||
| 738 | function(_Fp, |
||
| 739 | typename enable_if<!is_integral<_Fp>::value>::type* = 0); |
||
| 740 | |||
| 741 | template<class _Alloc> |
||
| 742 | _LIBCPP_INLINE_VISIBILITY |
||
| 743 | function(allocator_arg_t, const _Alloc&) : __f_(0) {}
|
||
| 744 | template<class _Alloc> |
||
| 745 | _LIBCPP_INLINE_VISIBILITY |
||
| 746 | function(allocator_arg_t, const _Alloc&, nullptr_t) : __f_(0) {}
|
||
| 747 | template<class _Alloc> |
||
| 748 | function(allocator_arg_t, const _Alloc&, const function&); |
||
| 749 | template<class _Fp, class _Alloc> |
||
| 750 | function(allocator_arg_t, const _Alloc& __a, _Fp __f, |
||
| 751 | typename enable_if<!is_integral<_Fp>::value>::type* = 0); |
||
| 752 | |||
| 753 | function& operator=(const function&); |
||
| 754 | function& operator=(nullptr_t); |
||
| 755 | template<class _Fp> |
||
| 756 | typename enable_if |
||
| 757 | < |
||
| 758 | !is_integral<_Fp>::value, |
||
| 759 | function& |
||
| 760 | >::type |
||
| 761 | operator=(_Fp); |
||
| 762 | |||
| 763 | ~function(); |
||
| 764 | |||
| 765 | // 20.7.16.2.2, function modifiers: |
||
| 766 | void swap(function&); |
||
| 767 | template<class _Fp, class _Alloc> |
||
| 768 | _LIBCPP_INLINE_VISIBILITY |
||
| 769 | void assign(_Fp __f, const _Alloc& __a) |
||
| 770 | {function(allocator_arg, __a, __f).swap(*this);}
|
||
| 771 | |||
| 772 | // 20.7.16.2.3, function capacity: |
||
| 773 | _LIBCPP_INLINE_VISIBILITY operator bool() const {return __f_;}
|
||
| 774 | |||
| 775 | private: |
||
| 776 | // deleted overloads close possible hole in the type system |
||
| 777 | template<class _R2, class _B0> |
||
| 778 | bool operator==(const function<_R2(_B0)>&) const;// = delete; |
||
| 779 | template<class _R2, class _B0> |
||
| 780 | bool operator!=(const function<_R2(_B0)>&) const;// = delete; |
||
| 781 | public: |
||
| 782 | // 20.7.16.2.4, function invocation: |
||
| 783 | _Rp operator()(_A0) const; |
||
| 784 | |||
| 785 | #ifndef _LIBCPP_NO_RTTI |
||
| 786 | // 20.7.16.2.5, function target access: |
||
| 787 | const std::type_info& target_type() const; |
||
| 788 | template <typename _Tp> _Tp* target(); |
||
| 789 | template <typename _Tp> const _Tp* target() const; |
||
| 790 | #endif // _LIBCPP_NO_RTTI |
||
| 791 | }; |
||
| 792 | |||
| 793 | template<class _Rp, class _A0> |
||
| 794 | function<_Rp(_A0)>::function(const function& __f) |
||
| 795 | {
|
||
| 796 | if (__f.__f_ == 0) |
||
| 797 | __f_ = 0; |
||
| 798 | else if (__f.__f_ == (const __base*)&__f.__buf_) |
||
| 799 | {
|
||
| 800 | __f_ = (__base*)&__buf_; |
||
| 801 | __f.__f_->__clone(__f_); |
||
| 802 | } |
||
| 803 | else |
||
| 804 | __f_ = __f.__f_->__clone(); |
||
| 805 | } |
||
| 806 | |||
| 807 | template<class _Rp, class _A0> |
||
| 808 | template<class _Alloc> |
||
| 809 | function<_Rp(_A0)>::function(allocator_arg_t, const _Alloc&, const function& __f) |
||
| 810 | {
|
||
| 811 | if (__f.__f_ == 0) |
||
| 812 | __f_ = 0; |
||
| 813 | else if (__f.__f_ == (const __base*)&__f.__buf_) |
||
| 814 | {
|
||
| 815 | __f_ = (__base*)&__buf_; |
||
| 816 | __f.__f_->__clone(__f_); |
||
| 817 | } |
||
| 818 | else |
||
| 819 | __f_ = __f.__f_->__clone(); |
||
| 820 | } |
||
| 821 | |||
| 822 | template<class _Rp, class _A0> |
||
| 823 | template <class _Fp> |
||
| 824 | function<_Rp(_A0)>::function(_Fp __f, |
||
| 825 | typename enable_if<!is_integral<_Fp>::value>::type*) |
||
| 826 | : __f_(0) |
||
| 827 | {
|
||
| 828 | if (__function::__not_null(__f)) |
||
| 829 | {
|
||
| 830 | typedef __function::__func<_Fp, allocator<_Fp>, _Rp(_A0)> _FF; |
||
| 831 | if (sizeof(_FF) <= sizeof(__buf_)) |
||
| 832 | {
|
||
| 833 | __f_ = (__base*)&__buf_; |
||
| 834 | ::new (__f_) _FF(__f); |
||
| 835 | } |
||
| 836 | else |
||
| 837 | {
|
||
| 838 | typedef allocator<_FF> _Ap; |
||
| 839 | _Ap __a; |
||
| 840 | typedef __allocator_destructor<_Ap> _Dp; |
||
| 841 | unique_ptr<__base, _Dp> __hold(__a.allocate(1), _Dp(__a, 1)); |
||
| 842 | ::new (__hold.get()) _FF(__f, allocator<_Fp>(__a)); |
||
| 843 | __f_ = __hold.release(); |
||
| 844 | } |
||
| 845 | } |
||
| 846 | } |
||
| 847 | |||
| 848 | template<class _Rp, class _A0> |
||
| 849 | template <class _Fp, class _Alloc> |
||
| 850 | function<_Rp(_A0)>::function(allocator_arg_t, const _Alloc& __a0, _Fp __f, |
||
| 851 | typename enable_if<!is_integral<_Fp>::value>::type*) |
||
| 852 | : __f_(0) |
||
| 853 | {
|
||
| 854 | typedef allocator_traits<_Alloc> __alloc_traits; |
||
| 855 | if (__function::__not_null(__f)) |
||
| 856 | {
|
||
| 857 | typedef __function::__func<_Fp, _Alloc, _Rp(_A0)> _FF; |
||
| 858 | if (sizeof(_FF) <= sizeof(__buf_)) |
||
| 859 | {
|
||
| 860 | __f_ = (__base*)&__buf_; |
||
| 861 | ::new (__f_) _FF(__f, __a0); |
||
| 862 | } |
||
| 863 | else |
||
| 864 | {
|
||
| 865 | typedef typename __rebind_alloc_helper<__alloc_traits, _FF>::type _Ap; |
||
| 866 | _Ap __a(__a0); |
||
| 867 | typedef __allocator_destructor<_Ap> _Dp; |
||
| 868 | unique_ptr<__base, _Dp> __hold(__a.allocate(1), _Dp(__a, 1)); |
||
| 869 | ::new (__hold.get()) _FF(__f, _Alloc(__a)); |
||
| 870 | __f_ = __hold.release(); |
||
| 871 | } |
||
| 872 | } |
||
| 873 | } |
||
| 874 | |||
| 875 | template<class _Rp, class _A0> |
||
| 876 | function<_Rp(_A0)>& |
||
| 877 | function<_Rp(_A0)>::operator=(const function& __f) |
||
| 878 | {
|
||
| 879 | function(__f).swap(*this); |
||
| 880 | return *this; |
||
| 881 | } |
||
| 882 | |||
| 883 | template<class _Rp, class _A0> |
||
| 884 | function<_Rp(_A0)>& |
||
| 885 | function<_Rp(_A0)>::operator=(nullptr_t) |
||
| 886 | {
|
||
| 887 | if (__f_ == (__base*)&__buf_) |
||
| 888 | __f_->destroy(); |
||
| 889 | else if (__f_) |
||
| 890 | __f_->destroy_deallocate(); |
||
| 891 | __f_ = 0; |
||
| 892 | return *this; |
||
| 893 | } |
||
| 894 | |||
| 895 | template<class _Rp, class _A0> |
||
| 896 | template <class _Fp> |
||
| 897 | typename enable_if |
||
| 898 | < |
||
| 899 | !is_integral<_Fp>::value, |
||
| 900 | function<_Rp(_A0)>& |
||
| 901 | >::type |
||
| 902 | function<_Rp(_A0)>::operator=(_Fp __f) |
||
| 903 | {
|
||
| 904 | function(_VSTD::move(__f)).swap(*this); |
||
| 905 | return *this; |
||
| 906 | } |
||
| 907 | |||
| 908 | template<class _Rp, class _A0> |
||
| 909 | function<_Rp(_A0)>::~function() |
||
| 910 | {
|
||
| 911 | if (__f_ == (__base*)&__buf_) |
||
| 912 | __f_->destroy(); |
||
| 913 | else if (__f_) |
||
| 914 | __f_->destroy_deallocate(); |
||
| 915 | } |
||
| 916 | |||
| 917 | template<class _Rp, class _A0> |
||
| 918 | void |
||
| 919 | function<_Rp(_A0)>::swap(function& __f) |
||
| 920 | {
|
||
| 921 | if (__f_ == (__base*)&__buf_ && __f.__f_ == (__base*)&__f.__buf_) |
||
| 922 | {
|
||
| 923 | typename aligned_storage<sizeof(__buf_)>::type __tempbuf; |
||
| 924 | __base* __t = (__base*)&__tempbuf; |
||
| 925 | __f_->__clone(__t); |
||
| 926 | __f_->destroy(); |
||
| 927 | __f_ = 0; |
||
| 928 | __f.__f_->__clone((__base*)&__buf_); |
||
| 929 | __f.__f_->destroy(); |
||
| 930 | __f.__f_ = 0; |
||
| 931 | __f_ = (__base*)&__buf_; |
||
| 932 | __t->__clone((__base*)&__f.__buf_); |
||
| 933 | __t->destroy(); |
||
| 934 | __f.__f_ = (__base*)&__f.__buf_; |
||
| 935 | } |
||
| 936 | else if (__f_ == (__base*)&__buf_) |
||
| 937 | {
|
||
| 938 | __f_->__clone((__base*)&__f.__buf_); |
||
| 939 | __f_->destroy(); |
||
| 940 | __f_ = __f.__f_; |
||
| 941 | __f.__f_ = (__base*)&__f.__buf_; |
||
| 942 | } |
||
| 943 | else if (__f.__f_ == (__base*)&__f.__buf_) |
||
| 944 | {
|
||
| 945 | __f.__f_->__clone((__base*)&__buf_); |
||
| 946 | __f.__f_->destroy(); |
||
| 947 | __f.__f_ = __f_; |
||
| 948 | __f_ = (__base*)&__buf_; |
||
| 949 | } |
||
| 950 | else |
||
| 951 | _VSTD::swap(__f_, __f.__f_); |
||
| 952 | } |
||
| 953 | |||
| 954 | template<class _Rp, class _A0> |
||
| 955 | _Rp |
||
| 956 | function<_Rp(_A0)>::operator()(_A0 __a0) const |
||
| 957 | {
|
||
| 958 | #ifndef _LIBCPP_NO_EXCEPTIONS |
||
| 959 | if (__f_ == 0) |
||
| 960 | throw bad_function_call(); |
||
| 961 | #endif // _LIBCPP_NO_EXCEPTIONS |
||
| 962 | return (*__f_)(__a0); |
||
| 963 | } |
||
| 964 | |||
| 965 | #ifndef _LIBCPP_NO_RTTI |
||
| 966 | |||
| 967 | template<class _Rp, class _A0> |
||
| 968 | const std::type_info& |
||
| 969 | function<_Rp(_A0)>::target_type() const |
||
| 970 | {
|
||
| 971 | if (__f_ == 0) |
||
| 972 | return typeid(void); |
||
| 973 | return __f_->target_type(); |
||
| 974 | } |
||
| 975 | |||
| 976 | template<class _Rp, class _A0> |
||
| 977 | template <typename _Tp> |
||
| 978 | _Tp* |
||
| 979 | function<_Rp(_A0)>::target() |
||
| 980 | {
|
||
| 981 | if (__f_ == 0) |
||
| 982 | return (_Tp*)0; |
||
| 983 | return (_Tp*)__f_->target(typeid(_Tp)); |
||
| 984 | } |
||
| 985 | |||
| 986 | template<class _Rp, class _A0> |
||
| 987 | template <typename _Tp> |
||
| 988 | const _Tp* |
||
| 989 | function<_Rp(_A0)>::target() const |
||
| 990 | {
|
||
| 991 | if (__f_ == 0) |
||
| 992 | return (const _Tp*)0; |
||
| 993 | return (const _Tp*)__f_->target(typeid(_Tp)); |
||
| 994 | } |
||
| 995 | |||
| 996 | #endif // _LIBCPP_NO_RTTI |
||
| 997 | |||
| 998 | template<class _Rp, class _A0, class _A1> |
||
| 999 | class _LIBCPP_TYPE_VIS_ONLY function<_Rp(_A0, _A1)> |
||
| 1000 | : public binary_function<_A0, _A1, _Rp> |
||
| 1001 | {
|
||
| 1002 | typedef __function::__base<_Rp(_A0, _A1)> __base; |
||
| 1003 | aligned_storage<3*sizeof(void*)>::type __buf_; |
||
| 1004 | __base* __f_; |
||
| 1005 | |||
| 1006 | public: |
||
| 1007 | typedef _Rp result_type; |
||
| 1008 | |||
| 1009 | // 20.7.16.2.1, construct/copy/destroy: |
||
| 1010 | _LIBCPP_INLINE_VISIBILITY explicit function() : __f_(0) {}
|
||
| 1011 | _LIBCPP_INLINE_VISIBILITY function(nullptr_t) : __f_(0) {}
|
||
| 1012 | function(const function&); |
||
| 1013 | template<class _Fp> |
||
| 1014 | function(_Fp, |
||
| 1015 | typename enable_if<!is_integral<_Fp>::value>::type* = 0); |
||
| 1016 | |||
| 1017 | template<class _Alloc> |
||
| 1018 | _LIBCPP_INLINE_VISIBILITY |
||
| 1019 | function(allocator_arg_t, const _Alloc&) : __f_(0) {}
|
||
| 1020 | template<class _Alloc> |
||
| 1021 | _LIBCPP_INLINE_VISIBILITY |
||
| 1022 | function(allocator_arg_t, const _Alloc&, nullptr_t) : __f_(0) {}
|
||
| 1023 | template<class _Alloc> |
||
| 1024 | function(allocator_arg_t, const _Alloc&, const function&); |
||
| 1025 | template<class _Fp, class _Alloc> |
||
| 1026 | function(allocator_arg_t, const _Alloc& __a, _Fp __f, |
||
| 1027 | typename enable_if<!is_integral<_Fp>::value>::type* = 0); |
||
| 1028 | |||
| 1029 | function& operator=(const function&); |
||
| 1030 | function& operator=(nullptr_t); |
||
| 1031 | template<class _Fp> |
||
| 1032 | typename enable_if |
||
| 1033 | < |
||
| 1034 | !is_integral<_Fp>::value, |
||
| 1035 | function& |
||
| 1036 | >::type |
||
| 1037 | operator=(_Fp); |
||
| 1038 | |||
| 1039 | ~function(); |
||
| 1040 | |||
| 1041 | // 20.7.16.2.2, function modifiers: |
||
| 1042 | void swap(function&); |
||
| 1043 | template<class _Fp, class _Alloc> |
||
| 1044 | _LIBCPP_INLINE_VISIBILITY |
||
| 1045 | void assign(_Fp __f, const _Alloc& __a) |
||
| 1046 | {function(allocator_arg, __a, __f).swap(*this);}
|
||
| 1047 | |||
| 1048 | // 20.7.16.2.3, function capacity: |
||
| 1049 | operator bool() const {return __f_;}
|
||
| 1050 | |||
| 1051 | private: |
||
| 1052 | // deleted overloads close possible hole in the type system |
||
| 1053 | template<class _R2, class _B0, class _B1> |
||
| 1054 | bool operator==(const function<_R2(_B0, _B1)>&) const;// = delete; |
||
| 1055 | template<class _R2, class _B0, class _B1> |
||
| 1056 | bool operator!=(const function<_R2(_B0, _B1)>&) const;// = delete; |
||
| 1057 | public: |
||
| 1058 | // 20.7.16.2.4, function invocation: |
||
| 1059 | _Rp operator()(_A0, _A1) const; |
||
| 1060 | |||
| 1061 | #ifndef _LIBCPP_NO_RTTI |
||
| 1062 | // 20.7.16.2.5, function target access: |
||
| 1063 | const std::type_info& target_type() const; |
||
| 1064 | template <typename _Tp> _Tp* target(); |
||
| 1065 | template <typename _Tp> const _Tp* target() const; |
||
| 1066 | #endif // _LIBCPP_NO_RTTI |
||
| 1067 | }; |
||
| 1068 | |||
| 1069 | template<class _Rp, class _A0, class _A1> |
||
| 1070 | function<_Rp(_A0, _A1)>::function(const function& __f) |
||
| 1071 | {
|
||
| 1072 | if (__f.__f_ == 0) |
||
| 1073 | __f_ = 0; |
||
| 1074 | else if (__f.__f_ == (const __base*)&__f.__buf_) |
||
| 1075 | {
|
||
| 1076 | __f_ = (__base*)&__buf_; |
||
| 1077 | __f.__f_->__clone(__f_); |
||
| 1078 | } |
||
| 1079 | else |
||
| 1080 | __f_ = __f.__f_->__clone(); |
||
| 1081 | } |
||
| 1082 | |||
| 1083 | template<class _Rp, class _A0, class _A1> |
||
| 1084 | template<class _Alloc> |
||
| 1085 | function<_Rp(_A0, _A1)>::function(allocator_arg_t, const _Alloc&, const function& __f) |
||
| 1086 | {
|
||
| 1087 | if (__f.__f_ == 0) |
||
| 1088 | __f_ = 0; |
||
| 1089 | else if (__f.__f_ == (const __base*)&__f.__buf_) |
||
| 1090 | {
|
||
| 1091 | __f_ = (__base*)&__buf_; |
||
| 1092 | __f.__f_->__clone(__f_); |
||
| 1093 | } |
||
| 1094 | else |
||
| 1095 | __f_ = __f.__f_->__clone(); |
||
| 1096 | } |
||
| 1097 | |||
| 1098 | template<class _Rp, class _A0, class _A1> |
||
| 1099 | template <class _Fp> |
||
| 1100 | function<_Rp(_A0, _A1)>::function(_Fp __f, |
||
| 1101 | typename enable_if<!is_integral<_Fp>::value>::type*) |
||
| 1102 | : __f_(0) |
||
| 1103 | {
|
||
| 1104 | if (__function::__not_null(__f)) |
||
| 1105 | {
|
||
| 1106 | typedef __function::__func<_Fp, allocator<_Fp>, _Rp(_A0, _A1)> _FF; |
||
| 1107 | if (sizeof(_FF) <= sizeof(__buf_)) |
||
| 1108 | {
|
||
| 1109 | __f_ = (__base*)&__buf_; |
||
| 1110 | ::new (__f_) _FF(__f); |
||
| 1111 | } |
||
| 1112 | else |
||
| 1113 | {
|
||
| 1114 | typedef allocator<_FF> _Ap; |
||
| 1115 | _Ap __a; |
||
| 1116 | typedef __allocator_destructor<_Ap> _Dp; |
||
| 1117 | unique_ptr<__base, _Dp> __hold(__a.allocate(1), _Dp(__a, 1)); |
||
| 1118 | ::new (__hold.get()) _FF(__f, allocator<_Fp>(__a)); |
||
| 1119 | __f_ = __hold.release(); |
||
| 1120 | } |
||
| 1121 | } |
||
| 1122 | } |
||
| 1123 | |||
| 1124 | template<class _Rp, class _A0, class _A1> |
||
| 1125 | template <class _Fp, class _Alloc> |
||
| 1126 | function<_Rp(_A0, _A1)>::function(allocator_arg_t, const _Alloc& __a0, _Fp __f, |
||
| 1127 | typename enable_if<!is_integral<_Fp>::value>::type*) |
||
| 1128 | : __f_(0) |
||
| 1129 | {
|
||
| 1130 | typedef allocator_traits<_Alloc> __alloc_traits; |
||
| 1131 | if (__function::__not_null(__f)) |
||
| 1132 | {
|
||
| 1133 | typedef __function::__func<_Fp, _Alloc, _Rp(_A0, _A1)> _FF; |
||
| 1134 | if (sizeof(_FF) <= sizeof(__buf_)) |
||
| 1135 | {
|
||
| 1136 | __f_ = (__base*)&__buf_; |
||
| 1137 | ::new (__f_) _FF(__f, __a0); |
||
| 1138 | } |
||
| 1139 | else |
||
| 1140 | {
|
||
| 1141 | typedef typename __rebind_alloc_helper<__alloc_traits, _FF>::type _Ap; |
||
| 1142 | _Ap __a(__a0); |
||
| 1143 | typedef __allocator_destructor<_Ap> _Dp; |
||
| 1144 | unique_ptr<__base, _Dp> __hold(__a.allocate(1), _Dp(__a, 1)); |
||
| 1145 | ::new (__hold.get()) _FF(__f, _Alloc(__a)); |
||
| 1146 | __f_ = __hold.release(); |
||
| 1147 | } |
||
| 1148 | } |
||
| 1149 | } |
||
| 1150 | |||
| 1151 | template<class _Rp, class _A0, class _A1> |
||
| 1152 | function<_Rp(_A0, _A1)>& |
||
| 1153 | function<_Rp(_A0, _A1)>::operator=(const function& __f) |
||
| 1154 | {
|
||
| 1155 | function(__f).swap(*this); |
||
| 1156 | return *this; |
||
| 1157 | } |
||
| 1158 | |||
| 1159 | template<class _Rp, class _A0, class _A1> |
||
| 1160 | function<_Rp(_A0, _A1)>& |
||
| 1161 | function<_Rp(_A0, _A1)>::operator=(nullptr_t) |
||
| 1162 | {
|
||
| 1163 | if (__f_ == (__base*)&__buf_) |
||
| 1164 | __f_->destroy(); |
||
| 1165 | else if (__f_) |
||
| 1166 | __f_->destroy_deallocate(); |
||
| 1167 | __f_ = 0; |
||
| 1168 | return *this; |
||
| 1169 | } |
||
| 1170 | |||
| 1171 | template<class _Rp, class _A0, class _A1> |
||
| 1172 | template <class _Fp> |
||
| 1173 | typename enable_if |
||
| 1174 | < |
||
| 1175 | !is_integral<_Fp>::value, |
||
| 1176 | function<_Rp(_A0, _A1)>& |
||
| 1177 | >::type |
||
| 1178 | function<_Rp(_A0, _A1)>::operator=(_Fp __f) |
||
| 1179 | {
|
||
| 1180 | function(_VSTD::move(__f)).swap(*this); |
||
| 1181 | return *this; |
||
| 1182 | } |
||
| 1183 | |||
| 1184 | template<class _Rp, class _A0, class _A1> |
||
| 1185 | function<_Rp(_A0, _A1)>::~function() |
||
| 1186 | {
|
||
| 1187 | if (__f_ == (__base*)&__buf_) |
||
| 1188 | __f_->destroy(); |
||
| 1189 | else if (__f_) |
||
| 1190 | __f_->destroy_deallocate(); |
||
| 1191 | } |
||
| 1192 | |||
| 1193 | template<class _Rp, class _A0, class _A1> |
||
| 1194 | void |
||
| 1195 | function<_Rp(_A0, _A1)>::swap(function& __f) |
||
| 1196 | {
|
||
| 1197 | if (__f_ == (__base*)&__buf_ && __f.__f_ == (__base*)&__f.__buf_) |
||
| 1198 | {
|
||
| 1199 | typename aligned_storage<sizeof(__buf_)>::type __tempbuf; |
||
| 1200 | __base* __t = (__base*)&__tempbuf; |
||
| 1201 | __f_->__clone(__t); |
||
| 1202 | __f_->destroy(); |
||
| 1203 | __f_ = 0; |
||
| 1204 | __f.__f_->__clone((__base*)&__buf_); |
||
| 1205 | __f.__f_->destroy(); |
||
| 1206 | __f.__f_ = 0; |
||
| 1207 | __f_ = (__base*)&__buf_; |
||
| 1208 | __t->__clone((__base*)&__f.__buf_); |
||
| 1209 | __t->destroy(); |
||
| 1210 | __f.__f_ = (__base*)&__f.__buf_; |
||
| 1211 | } |
||
| 1212 | else if (__f_ == (__base*)&__buf_) |
||
| 1213 | {
|
||
| 1214 | __f_->__clone((__base*)&__f.__buf_); |
||
| 1215 | __f_->destroy(); |
||
| 1216 | __f_ = __f.__f_; |
||
| 1217 | __f.__f_ = (__base*)&__f.__buf_; |
||
| 1218 | } |
||
| 1219 | else if (__f.__f_ == (__base*)&__f.__buf_) |
||
| 1220 | {
|
||
| 1221 | __f.__f_->__clone((__base*)&__buf_); |
||
| 1222 | __f.__f_->destroy(); |
||
| 1223 | __f.__f_ = __f_; |
||
| 1224 | __f_ = (__base*)&__buf_; |
||
| 1225 | } |
||
| 1226 | else |
||
| 1227 | _VSTD::swap(__f_, __f.__f_); |
||
| 1228 | } |
||
| 1229 | |||
| 1230 | template<class _Rp, class _A0, class _A1> |
||
| 1231 | _Rp |
||
| 1232 | function<_Rp(_A0, _A1)>::operator()(_A0 __a0, _A1 __a1) const |
||
| 1233 | {
|
||
| 1234 | #ifndef _LIBCPP_NO_EXCEPTIONS |
||
| 1235 | if (__f_ == 0) |
||
| 1236 | throw bad_function_call(); |
||
| 1237 | #endif // _LIBCPP_NO_EXCEPTIONS |
||
| 1238 | return (*__f_)(__a0, __a1); |
||
| 1239 | } |
||
| 1240 | |||
| 1241 | #ifndef _LIBCPP_NO_RTTI |
||
| 1242 | |||
| 1243 | template<class _Rp, class _A0, class _A1> |
||
| 1244 | const std::type_info& |
||
| 1245 | function<_Rp(_A0, _A1)>::target_type() const |
||
| 1246 | {
|
||
| 1247 | if (__f_ == 0) |
||
| 1248 | return typeid(void); |
||
| 1249 | return __f_->target_type(); |
||
| 1250 | } |
||
| 1251 | |||
| 1252 | template<class _Rp, class _A0, class _A1> |
||
| 1253 | template <typename _Tp> |
||
| 1254 | _Tp* |
||
| 1255 | function<_Rp(_A0, _A1)>::target() |
||
| 1256 | {
|
||
| 1257 | if (__f_ == 0) |
||
| 1258 | return (_Tp*)0; |
||
| 1259 | return (_Tp*)__f_->target(typeid(_Tp)); |
||
| 1260 | } |
||
| 1261 | |||
| 1262 | template<class _Rp, class _A0, class _A1> |
||
| 1263 | template <typename _Tp> |
||
| 1264 | const _Tp* |
||
| 1265 | function<_Rp(_A0, _A1)>::target() const |
||
| 1266 | {
|
||
| 1267 | if (__f_ == 0) |
||
| 1268 | return (const _Tp*)0; |
||
| 1269 | return (const _Tp*)__f_->target(typeid(_Tp)); |
||
| 1270 | } |
||
| 1271 | |||
| 1272 | #endif // _LIBCPP_NO_RTTI |
||
| 1273 | |||
| 1274 | template<class _Rp, class _A0, class _A1, class _A2> |
||
| 1275 | class _LIBCPP_TYPE_VIS_ONLY function<_Rp(_A0, _A1, _A2)> |
||
| 1276 | {
|
||
| 1277 | typedef __function::__base<_Rp(_A0, _A1, _A2)> __base; |
||
| 1278 | aligned_storage<3*sizeof(void*)>::type __buf_; |
||
| 1279 | __base* __f_; |
||
| 1280 | |||
| 1281 | public: |
||
| 1282 | typedef _Rp result_type; |
||
| 1283 | |||
| 1284 | // 20.7.16.2.1, construct/copy/destroy: |
||
| 1285 | _LIBCPP_INLINE_VISIBILITY explicit function() : __f_(0) {}
|
||
| 1286 | _LIBCPP_INLINE_VISIBILITY function(nullptr_t) : __f_(0) {}
|
||
| 1287 | function(const function&); |
||
| 1288 | template<class _Fp> |
||
| 1289 | function(_Fp, |
||
| 1290 | typename enable_if<!is_integral<_Fp>::value>::type* = 0); |
||
| 1291 | |||
| 1292 | template<class _Alloc> |
||
| 1293 | _LIBCPP_INLINE_VISIBILITY |
||
| 1294 | function(allocator_arg_t, const _Alloc&) : __f_(0) {}
|
||
| 1295 | template<class _Alloc> |
||
| 1296 | _LIBCPP_INLINE_VISIBILITY |
||
| 1297 | function(allocator_arg_t, const _Alloc&, nullptr_t) : __f_(0) {}
|
||
| 1298 | template<class _Alloc> |
||
| 1299 | function(allocator_arg_t, const _Alloc&, const function&); |
||
| 1300 | template<class _Fp, class _Alloc> |
||
| 1301 | function(allocator_arg_t, const _Alloc& __a, _Fp __f, |
||
| 1302 | typename enable_if<!is_integral<_Fp>::value>::type* = 0); |
||
| 1303 | |||
| 1304 | function& operator=(const function&); |
||
| 1305 | function& operator=(nullptr_t); |
||
| 1306 | template<class _Fp> |
||
| 1307 | typename enable_if |
||
| 1308 | < |
||
| 1309 | !is_integral<_Fp>::value, |
||
| 1310 | function& |
||
| 1311 | >::type |
||
| 1312 | operator=(_Fp); |
||
| 1313 | |||
| 1314 | ~function(); |
||
| 1315 | |||
| 1316 | // 20.7.16.2.2, function modifiers: |
||
| 1317 | void swap(function&); |
||
| 1318 | template<class _Fp, class _Alloc> |
||
| 1319 | _LIBCPP_INLINE_VISIBILITY |
||
| 1320 | void assign(_Fp __f, const _Alloc& __a) |
||
| 1321 | {function(allocator_arg, __a, __f).swap(*this);}
|
||
| 1322 | |||
| 1323 | // 20.7.16.2.3, function capacity: |
||
| 1324 | _LIBCPP_INLINE_VISIBILITY operator bool() const {return __f_;}
|
||
| 1325 | |||
| 1326 | private: |
||
| 1327 | // deleted overloads close possible hole in the type system |
||
| 1328 | template<class _R2, class _B0, class _B1, class _B2> |
||
| 1329 | bool operator==(const function<_R2(_B0, _B1, _B2)>&) const;// = delete; |
||
| 1330 | template<class _R2, class _B0, class _B1, class _B2> |
||
| 1331 | bool operator!=(const function<_R2(_B0, _B1, _B2)>&) const;// = delete; |
||
| 1332 | public: |
||
| 1333 | // 20.7.16.2.4, function invocation: |
||
| 1334 | _Rp operator()(_A0, _A1, _A2) const; |
||
| 1335 | |||
| 1336 | #ifndef _LIBCPP_NO_RTTI |
||
| 1337 | // 20.7.16.2.5, function target access: |
||
| 1338 | const std::type_info& target_type() const; |
||
| 1339 | template <typename _Tp> _Tp* target(); |
||
| 1340 | template <typename _Tp> const _Tp* target() const; |
||
| 1341 | #endif // _LIBCPP_NO_RTTI |
||
| 1342 | }; |
||
| 1343 | |||
| 1344 | template<class _Rp, class _A0, class _A1, class _A2> |
||
| 1345 | function<_Rp(_A0, _A1, _A2)>::function(const function& __f) |
||
| 1346 | {
|
||
| 1347 | if (__f.__f_ == 0) |
||
| 1348 | __f_ = 0; |
||
| 1349 | else if (__f.__f_ == (const __base*)&__f.__buf_) |
||
| 1350 | {
|
||
| 1351 | __f_ = (__base*)&__buf_; |
||
| 1352 | __f.__f_->__clone(__f_); |
||
| 1353 | } |
||
| 1354 | else |
||
| 1355 | __f_ = __f.__f_->__clone(); |
||
| 1356 | } |
||
| 1357 | |||
| 1358 | template<class _Rp, class _A0, class _A1, class _A2> |
||
| 1359 | template<class _Alloc> |
||
| 1360 | function<_Rp(_A0, _A1, _A2)>::function(allocator_arg_t, const _Alloc&, |
||
| 1361 | const function& __f) |
||
| 1362 | {
|
||
| 1363 | if (__f.__f_ == 0) |
||
| 1364 | __f_ = 0; |
||
| 1365 | else if (__f.__f_ == (const __base*)&__f.__buf_) |
||
| 1366 | {
|
||
| 1367 | __f_ = (__base*)&__buf_; |
||
| 1368 | __f.__f_->__clone(__f_); |
||
| 1369 | } |
||
| 1370 | else |
||
| 1371 | __f_ = __f.__f_->__clone(); |
||
| 1372 | } |
||
| 1373 | |||
| 1374 | template<class _Rp, class _A0, class _A1, class _A2> |
||
| 1375 | template <class _Fp> |
||
| 1376 | function<_Rp(_A0, _A1, _A2)>::function(_Fp __f, |
||
| 1377 | typename enable_if<!is_integral<_Fp>::value>::type*) |
||
| 1378 | : __f_(0) |
||
| 1379 | {
|
||
| 1380 | if (__function::__not_null(__f)) |
||
| 1381 | {
|
||
| 1382 | typedef __function::__func<_Fp, allocator<_Fp>, _Rp(_A0, _A1, _A2)> _FF; |
||
| 1383 | if (sizeof(_FF) <= sizeof(__buf_)) |
||
| 1384 | {
|
||
| 1385 | __f_ = (__base*)&__buf_; |
||
| 1386 | ::new (__f_) _FF(__f); |
||
| 1387 | } |
||
| 1388 | else |
||
| 1389 | {
|
||
| 1390 | typedef allocator<_FF> _Ap; |
||
| 1391 | _Ap __a; |
||
| 1392 | typedef __allocator_destructor<_Ap> _Dp; |
||
| 1393 | unique_ptr<__base, _Dp> __hold(__a.allocate(1), _Dp(__a, 1)); |
||
| 1394 | ::new (__hold.get()) _FF(__f, allocator<_Fp>(__a)); |
||
| 1395 | __f_ = __hold.release(); |
||
| 1396 | } |
||
| 1397 | } |
||
| 1398 | } |
||
| 1399 | |||
| 1400 | template<class _Rp, class _A0, class _A1, class _A2> |
||
| 1401 | template <class _Fp, class _Alloc> |
||
| 1402 | function<_Rp(_A0, _A1, _A2)>::function(allocator_arg_t, const _Alloc& __a0, _Fp __f, |
||
| 1403 | typename enable_if<!is_integral<_Fp>::value>::type*) |
||
| 1404 | : __f_(0) |
||
| 1405 | {
|
||
| 1406 | typedef allocator_traits<_Alloc> __alloc_traits; |
||
| 1407 | if (__function::__not_null(__f)) |
||
| 1408 | {
|
||
| 1409 | typedef __function::__func<_Fp, _Alloc, _Rp(_A0, _A1, _A2)> _FF; |
||
| 1410 | if (sizeof(_FF) <= sizeof(__buf_)) |
||
| 1411 | {
|
||
| 1412 | __f_ = (__base*)&__buf_; |
||
| 1413 | ::new (__f_) _FF(__f, __a0); |
||
| 1414 | } |
||
| 1415 | else |
||
| 1416 | {
|
||
| 1417 | typedef typename __rebind_alloc_helper<__alloc_traits, _FF>::type _Ap; |
||
| 1418 | _Ap __a(__a0); |
||
| 1419 | typedef __allocator_destructor<_Ap> _Dp; |
||
| 1420 | unique_ptr<__base, _Dp> __hold(__a.allocate(1), _Dp(__a, 1)); |
||
| 1421 | ::new (__hold.get()) _FF(__f, _Alloc(__a)); |
||
| 1422 | __f_ = __hold.release(); |
||
| 1423 | } |
||
| 1424 | } |
||
| 1425 | } |
||
| 1426 | |||
| 1427 | template<class _Rp, class _A0, class _A1, class _A2> |
||
| 1428 | function<_Rp(_A0, _A1, _A2)>& |
||
| 1429 | function<_Rp(_A0, _A1, _A2)>::operator=(const function& __f) |
||
| 1430 | {
|
||
| 1431 | function(__f).swap(*this); |
||
| 1432 | return *this; |
||
| 1433 | } |
||
| 1434 | |||
| 1435 | template<class _Rp, class _A0, class _A1, class _A2> |
||
| 1436 | function<_Rp(_A0, _A1, _A2)>& |
||
| 1437 | function<_Rp(_A0, _A1, _A2)>::operator=(nullptr_t) |
||
| 1438 | {
|
||
| 1439 | if (__f_ == (__base*)&__buf_) |
||
| 1440 | __f_->destroy(); |
||
| 1441 | else if (__f_) |
||
| 1442 | __f_->destroy_deallocate(); |
||
| 1443 | __f_ = 0; |
||
| 1444 | return *this; |
||
| 1445 | } |
||
| 1446 | |||
| 1447 | template<class _Rp, class _A0, class _A1, class _A2> |
||
| 1448 | template <class _Fp> |
||
| 1449 | typename enable_if |
||
| 1450 | < |
||
| 1451 | !is_integral<_Fp>::value, |
||
| 1452 | function<_Rp(_A0, _A1, _A2)>& |
||
| 1453 | >::type |
||
| 1454 | function<_Rp(_A0, _A1, _A2)>::operator=(_Fp __f) |
||
| 1455 | {
|
||
| 1456 | function(_VSTD::move(__f)).swap(*this); |
||
| 1457 | return *this; |
||
| 1458 | } |
||
| 1459 | |||
| 1460 | template<class _Rp, class _A0, class _A1, class _A2> |
||
| 1461 | function<_Rp(_A0, _A1, _A2)>::~function() |
||
| 1462 | {
|
||
| 1463 | if (__f_ == (__base*)&__buf_) |
||
| 1464 | __f_->destroy(); |
||
| 1465 | else if (__f_) |
||
| 1466 | __f_->destroy_deallocate(); |
||
| 1467 | } |
||
| 1468 | |||
| 1469 | template<class _Rp, class _A0, class _A1, class _A2> |
||
| 1470 | void |
||
| 1471 | function<_Rp(_A0, _A1, _A2)>::swap(function& __f) |
||
| 1472 | {
|
||
| 1473 | if (__f_ == (__base*)&__buf_ && __f.__f_ == (__base*)&__f.__buf_) |
||
| 1474 | {
|
||
| 1475 | typename aligned_storage<sizeof(__buf_)>::type __tempbuf; |
||
| 1476 | __base* __t = (__base*)&__tempbuf; |
||
| 1477 | __f_->__clone(__t); |
||
| 1478 | __f_->destroy(); |
||
| 1479 | __f_ = 0; |
||
| 1480 | __f.__f_->__clone((__base*)&__buf_); |
||
| 1481 | __f.__f_->destroy(); |
||
| 1482 | __f.__f_ = 0; |
||
| 1483 | __f_ = (__base*)&__buf_; |
||
| 1484 | __t->__clone((__base*)&__f.__buf_); |
||
| 1485 | __t->destroy(); |
||
| 1486 | __f.__f_ = (__base*)&__f.__buf_; |
||
| 1487 | } |
||
| 1488 | else if (__f_ == (__base*)&__buf_) |
||
| 1489 | {
|
||
| 1490 | __f_->__clone((__base*)&__f.__buf_); |
||
| 1491 | __f_->destroy(); |
||
| 1492 | __f_ = __f.__f_; |
||
| 1493 | __f.__f_ = (__base*)&__f.__buf_; |
||
| 1494 | } |
||
| 1495 | else if (__f.__f_ == (__base*)&__f.__buf_) |
||
| 1496 | {
|
||
| 1497 | __f.__f_->__clone((__base*)&__buf_); |
||
| 1498 | __f.__f_->destroy(); |
||
| 1499 | __f.__f_ = __f_; |
||
| 1500 | __f_ = (__base*)&__buf_; |
||
| 1501 | } |
||
| 1502 | else |
||
| 1503 | _VSTD::swap(__f_, __f.__f_); |
||
| 1504 | } |
||
| 1505 | |||
| 1506 | template<class _Rp, class _A0, class _A1, class _A2> |
||
| 1507 | _Rp |
||
| 1508 | function<_Rp(_A0, _A1, _A2)>::operator()(_A0 __a0, _A1 __a1, _A2 __a2) const |
||
| 1509 | {
|
||
| 1510 | #ifndef _LIBCPP_NO_EXCEPTIONS |
||
| 1511 | if (__f_ == 0) |
||
| 1512 | throw bad_function_call(); |
||
| 1513 | #endif // _LIBCPP_NO_EXCEPTIONS |
||
| 1514 | return (*__f_)(__a0, __a1, __a2); |
||
| 1515 | } |
||
| 1516 | |||
| 1517 | #ifndef _LIBCPP_NO_RTTI |
||
| 1518 | |||
| 1519 | template<class _Rp, class _A0, class _A1, class _A2> |
||
| 1520 | const std::type_info& |
||
| 1521 | function<_Rp(_A0, _A1, _A2)>::target_type() const |
||
| 1522 | {
|
||
| 1523 | if (__f_ == 0) |
||
| 1524 | return typeid(void); |
||
| 1525 | return __f_->target_type(); |
||
| 1526 | } |
||
| 1527 | |||
| 1528 | template<class _Rp, class _A0, class _A1, class _A2> |
||
| 1529 | template <typename _Tp> |
||
| 1530 | _Tp* |
||
| 1531 | function<_Rp(_A0, _A1, _A2)>::target() |
||
| 1532 | {
|
||
| 1533 | if (__f_ == 0) |
||
| 1534 | return (_Tp*)0; |
||
| 1535 | return (_Tp*)__f_->target(typeid(_Tp)); |
||
| 1536 | } |
||
| 1537 | |||
| 1538 | template<class _Rp, class _A0, class _A1, class _A2> |
||
| 1539 | template <typename _Tp> |
||
| 1540 | const _Tp* |
||
| 1541 | function<_Rp(_A0, _A1, _A2)>::target() const |
||
| 1542 | {
|
||
| 1543 | if (__f_ == 0) |
||
| 1544 | return (const _Tp*)0; |
||
| 1545 | return (const _Tp*)__f_->target(typeid(_Tp)); |
||
| 1546 | } |
||
| 1547 | |||
| 1548 | #endif // _LIBCPP_NO_RTTI |
||
| 1549 | |||
| 1550 | template <class _Fp> |
||
| 1551 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 1552 | bool |
||
| 1553 | operator==(const function<_Fp>& __f, nullptr_t) {return !__f;}
|
||
| 1554 | |||
| 1555 | template <class _Fp> |
||
| 1556 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 1557 | bool |
||
| 1558 | operator==(nullptr_t, const function<_Fp>& __f) {return !__f;}
|
||
| 1559 | |||
| 1560 | template <class _Fp> |
||
| 1561 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 1562 | bool |
||
| 1563 | operator!=(const function<_Fp>& __f, nullptr_t) {return (bool)__f;}
|
||
| 1564 | |||
| 1565 | template <class _Fp> |
||
| 1566 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 1567 | bool |
||
| 1568 | operator!=(nullptr_t, const function<_Fp>& __f) {return (bool)__f;}
|
||
| 1569 | |||
| 1570 | template <class _Fp> |
||
| 1571 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 1572 | void |
||
| 1573 | swap(function<_Fp>& __x, function<_Fp>& __y) |
||
| 1574 | {return __x.swap(__y);}
|
||
| 1575 | |||
| 1576 | #endif // _LIBCPP_FUNCTIONAL_03 |