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1 | ///////////////////////////////////////////////////////////////////////////// |
2 | // | |
3 | // (C) Copyright Joaquin M Lopez Munoz 2006-2013 | |
4 | // (C) Copyright Ion Gaztanaga 2014-2014 | |
5 | // | |
6 | // Distributed under the Boost Software License, Version 1.0. | |
7 | // (See accompanying file LICENSE_1_0.txt or copy at | |
8 | // http://www.boost.org/LICENSE_1_0.txt) | |
9 | // | |
10 | // See http://www.boost.org/libs/intrusive for documentation. | |
11 | // | |
12 | ///////////////////////////////////////////////////////////////////////////// | |
13 | ||
14 | #ifndef BOOST_INTRUSIVE_DETAIL_EBO_HOLDER_HPP | |
15 | #define BOOST_INTRUSIVE_DETAIL_EBO_HOLDER_HPP | |
16 | ||
17 | #ifndef BOOST_CONFIG_HPP | |
18 | # include <boost/config.hpp> | |
19 | #endif | |
20 | ||
21 | #if defined(BOOST_HAS_PRAGMA_ONCE) | |
22 | # pragma once | |
23 | #endif | |
24 | ||
25 | #include <boost/intrusive/detail/workaround.hpp> | |
26 | #include <boost/move/utility_core.hpp> | |
27 | ||
28 | namespace boost { | |
29 | namespace intrusive { | |
30 | namespace detail { | |
31 | ||
32 | #if defined(BOOST_MSVC) || defined(__BORLANDC_) | |
33 | #define BOOST_INTRUSIVE_TT_DECL __cdecl | |
34 | #else | |
35 | #define BOOST_INTRUSIVE_TT_DECL | |
36 | #endif | |
37 | ||
38 | #if defined(_MSC_EXTENSIONS) && !defined(__BORLAND__) && !defined(_WIN64) && !defined(_M_ARM) && !defined(UNDER_CE) | |
39 | #define BOOST_INTRUSIVE_TT_TEST_MSC_FUNC_SIGS | |
40 | #endif | |
41 | ||
42 | template <typename T> | |
43 | struct is_unary_or_binary_function_impl | |
44 | { static const bool value = false; }; | |
45 | ||
46 | // see boost ticket #4094 | |
47 | // avoid duplicate definitions of is_unary_or_binary_function_impl | |
48 | #ifndef BOOST_INTRUSIVE_TT_TEST_MSC_FUNC_SIGS | |
49 | ||
50 | template <typename R> | |
51 | struct is_unary_or_binary_function_impl<R (*)()> | |
52 | { static const bool value = true; }; | |
53 | ||
54 | template <typename R> | |
55 | struct is_unary_or_binary_function_impl<R (*)(...)> | |
56 | { static const bool value = true; }; | |
57 | ||
58 | #else // BOOST_INTRUSIVE_TT_TEST_MSC_FUNC_SIGS | |
59 | ||
60 | template <typename R> | |
61 | struct is_unary_or_binary_function_impl<R (__stdcall*)()> | |
62 | { static const bool value = true; }; | |
63 | ||
64 | #ifndef _MANAGED | |
65 | ||
66 | template <typename R> | |
67 | struct is_unary_or_binary_function_impl<R (__fastcall*)()> | |
68 | { static const bool value = true; }; | |
69 | ||
70 | #endif | |
71 | ||
72 | template <typename R> | |
73 | struct is_unary_or_binary_function_impl<R (__cdecl*)()> | |
74 | { static const bool value = true; }; | |
75 | ||
76 | template <typename R> | |
77 | struct is_unary_or_binary_function_impl<R (__cdecl*)(...)> | |
78 | { static const bool value = true; }; | |
79 | ||
80 | #endif | |
81 | ||
82 | // see boost ticket #4094 | |
83 | // avoid duplicate definitions of is_unary_or_binary_function_impl | |
84 | #ifndef BOOST_INTRUSIVE_TT_TEST_MSC_FUNC_SIGS | |
85 | ||
86 | template <typename R, class T0> | |
87 | struct is_unary_or_binary_function_impl<R (*)(T0)> | |
88 | { static const bool value = true; }; | |
89 | ||
90 | template <typename R, class T0> | |
91 | struct is_unary_or_binary_function_impl<R (*)(T0...)> | |
92 | { static const bool value = true; }; | |
93 | ||
94 | #else // BOOST_INTRUSIVE_TT_TEST_MSC_FUNC_SIGS | |
95 | ||
96 | template <typename R, class T0> | |
97 | struct is_unary_or_binary_function_impl<R (__stdcall*)(T0)> | |
98 | { static const bool value = true; }; | |
99 | ||
100 | #ifndef _MANAGED | |
101 | ||
102 | template <typename R, class T0> | |
103 | struct is_unary_or_binary_function_impl<R (__fastcall*)(T0)> | |
104 | { static const bool value = true; }; | |
105 | ||
106 | #endif | |
107 | ||
108 | template <typename R, class T0> | |
109 | struct is_unary_or_binary_function_impl<R (__cdecl*)(T0)> | |
110 | { static const bool value = true; }; | |
111 | ||
112 | template <typename R, class T0> | |
113 | struct is_unary_or_binary_function_impl<R (__cdecl*)(T0...)> | |
114 | { static const bool value = true; }; | |
115 | ||
116 | #endif | |
117 | ||
118 | // see boost ticket #4094 | |
119 | // avoid duplicate definitions of is_unary_or_binary_function_impl | |
120 | #ifndef BOOST_INTRUSIVE_TT_TEST_MSC_FUNC_SIGS | |
121 | ||
122 | template <typename R, class T0, class T1> | |
123 | struct is_unary_or_binary_function_impl<R (*)(T0, T1)> | |
124 | { static const bool value = true; }; | |
125 | ||
126 | template <typename R, class T0, class T1> | |
127 | struct is_unary_or_binary_function_impl<R (*)(T0, T1...)> | |
128 | { static const bool value = true; }; | |
129 | ||
130 | #else // BOOST_INTRUSIVE_TT_TEST_MSC_FUNC_SIGS | |
131 | ||
132 | template <typename R, class T0, class T1> | |
133 | struct is_unary_or_binary_function_impl<R (__stdcall*)(T0, T1)> | |
134 | { static const bool value = true; }; | |
135 | ||
136 | #ifndef _MANAGED | |
137 | ||
138 | template <typename R, class T0, class T1> | |
139 | struct is_unary_or_binary_function_impl<R (__fastcall*)(T0, T1)> | |
140 | { static const bool value = true; }; | |
141 | ||
142 | #endif | |
143 | ||
144 | template <typename R, class T0, class T1> | |
145 | struct is_unary_or_binary_function_impl<R (__cdecl*)(T0, T1)> | |
146 | { static const bool value = true; }; | |
147 | ||
148 | template <typename R, class T0, class T1> | |
149 | struct is_unary_or_binary_function_impl<R (__cdecl*)(T0, T1...)> | |
150 | { static const bool value = true; }; | |
151 | #endif | |
152 | ||
153 | template <typename T> | |
154 | struct is_unary_or_binary_function_impl<T&> | |
155 | { static const bool value = false; }; | |
156 | ||
157 | template<typename T> | |
158 | struct is_unary_or_binary_function : is_unary_or_binary_function_impl<T> | |
159 | {}; | |
160 | ||
161 | template<typename T, bool = is_unary_or_binary_function<T>::value> | |
162 | class ebo_functor_holder | |
163 | { | |
164 | BOOST_COPYABLE_AND_MOVABLE(ebo_functor_holder) | |
165 | ||
166 | public: | |
167 | typedef T functor_type; | |
168 | ||
169 | BOOST_INTRUSIVE_FORCEINLINE ebo_functor_holder() | |
170 | : t_() | |
171 | {} | |
172 | ||
173 | BOOST_INTRUSIVE_FORCEINLINE explicit ebo_functor_holder(const T &t) | |
174 | : t_(t) | |
175 | {} | |
176 | ||
177 | BOOST_INTRUSIVE_FORCEINLINE explicit ebo_functor_holder(BOOST_RV_REF(T) t) | |
178 | : t_(::boost::move(t)) | |
179 | {} | |
180 | ||
181 | template<class Arg1, class Arg2> | |
182 | BOOST_INTRUSIVE_FORCEINLINE ebo_functor_holder(BOOST_FWD_REF(Arg1) arg1, BOOST_FWD_REF(Arg2) arg2) | |
183 | : t_(::boost::forward<Arg1>(arg1), ::boost::forward<Arg2>(arg2)) | |
184 | {} | |
185 | ||
186 | BOOST_INTRUSIVE_FORCEINLINE ebo_functor_holder(const ebo_functor_holder &x) | |
187 | : t_(x.t_) | |
188 | {} | |
189 | ||
190 | BOOST_INTRUSIVE_FORCEINLINE ebo_functor_holder(BOOST_RV_REF(ebo_functor_holder) x) | |
191 | : t_(x.t_) | |
192 | {} | |
193 | ||
194 | BOOST_INTRUSIVE_FORCEINLINE ebo_functor_holder& operator=(BOOST_COPY_ASSIGN_REF(ebo_functor_holder) x) | |
195 | { | |
196 | this->get() = x.get(); | |
197 | return *this; | |
198 | } | |
199 | ||
200 | BOOST_INTRUSIVE_FORCEINLINE ebo_functor_holder& operator=(BOOST_RV_REF(ebo_functor_holder) x) | |
201 | { | |
202 | this->get() = ::boost::move(x.get()); | |
203 | return *this; | |
204 | } | |
205 | ||
206 | BOOST_INTRUSIVE_FORCEINLINE ebo_functor_holder& operator=(const T &x) | |
207 | { | |
208 | this->get() = x; | |
209 | return *this; | |
210 | } | |
211 | ||
212 | BOOST_INTRUSIVE_FORCEINLINE ebo_functor_holder& operator=(BOOST_RV_REF(T) x) | |
213 | { | |
214 | this->get() = ::boost::move(x); | |
215 | return *this; | |
216 | } | |
217 | ||
218 | BOOST_INTRUSIVE_FORCEINLINE T& get(){return t_;} | |
219 | BOOST_INTRUSIVE_FORCEINLINE const T& get()const{return t_;} | |
220 | ||
221 | private: | |
222 | T t_; | |
223 | }; | |
224 | ||
225 | template<typename T> | |
226 | class ebo_functor_holder<T, false> | |
227 | : public T | |
228 | { | |
229 | BOOST_COPYABLE_AND_MOVABLE(ebo_functor_holder) | |
230 | ||
231 | public: | |
232 | typedef T functor_type; | |
233 | ||
234 | BOOST_INTRUSIVE_FORCEINLINE ebo_functor_holder() | |
235 | : T() | |
236 | {} | |
237 | ||
238 | BOOST_INTRUSIVE_FORCEINLINE explicit ebo_functor_holder(const T &t) | |
239 | : T(t) | |
240 | {} | |
241 | ||
242 | BOOST_INTRUSIVE_FORCEINLINE explicit ebo_functor_holder(BOOST_RV_REF(T) t) | |
243 | : T(::boost::move(t)) | |
244 | {} | |
245 | ||
246 | template<class Arg1, class Arg2> | |
247 | BOOST_INTRUSIVE_FORCEINLINE ebo_functor_holder(BOOST_FWD_REF(Arg1) arg1, BOOST_FWD_REF(Arg2) arg2) | |
248 | : T(::boost::forward<Arg1>(arg1), ::boost::forward<Arg2>(arg2)) | |
249 | {} | |
250 | ||
251 | BOOST_INTRUSIVE_FORCEINLINE ebo_functor_holder(const ebo_functor_holder &x) | |
252 | : T(static_cast<const T&>(x)) | |
253 | {} | |
254 | ||
255 | BOOST_INTRUSIVE_FORCEINLINE ebo_functor_holder(BOOST_RV_REF(ebo_functor_holder) x) | |
256 | : T(BOOST_MOVE_BASE(T, x)) | |
257 | {} | |
258 | ||
259 | BOOST_INTRUSIVE_FORCEINLINE ebo_functor_holder& operator=(BOOST_COPY_ASSIGN_REF(ebo_functor_holder) x) | |
260 | { | |
261 | const ebo_functor_holder&r = x; | |
262 | this->get() = r; | |
263 | return *this; | |
264 | } | |
265 | ||
266 | BOOST_INTRUSIVE_FORCEINLINE ebo_functor_holder& operator=(BOOST_RV_REF(ebo_functor_holder) x) | |
267 | { | |
268 | this->get() = ::boost::move(x.get()); | |
269 | return *this; | |
270 | } | |
271 | ||
272 | BOOST_INTRUSIVE_FORCEINLINE ebo_functor_holder& operator=(const T &x) | |
273 | { | |
274 | this->get() = x; | |
275 | return *this; | |
276 | } | |
277 | ||
278 | BOOST_INTRUSIVE_FORCEINLINE ebo_functor_holder& operator=(BOOST_RV_REF(T) x) | |
279 | { | |
280 | this->get() = ::boost::move(x); | |
281 | return *this; | |
282 | } | |
283 | ||
284 | BOOST_INTRUSIVE_FORCEINLINE T& get(){return *this;} | |
285 | BOOST_INTRUSIVE_FORCEINLINE const T& get()const{return *this;} | |
286 | }; | |
287 | ||
288 | } //namespace detail { | |
289 | } //namespace intrusive { | |
290 | } //namespace boost { | |
291 | ||
292 | #endif //#ifndef BOOST_INTRUSIVE_DETAIL_EBO_HOLDER_HPP |