You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
484 lines
15 KiB
484 lines
15 KiB
/*
|
|
* Copyright (c) 2016 - present Facebook, Inc.
|
|
* All rights reserved.
|
|
*
|
|
* This source code is licensed under the BSD style license found in the
|
|
* LICENSE file in the root directory of this source tree. An additional grant
|
|
* of patent rights can be found in the PATENTS file in the same directory.
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <infer_model/common.h>
|
|
#include <infer_model/infer_traits.h>
|
|
|
|
INFER_NAMESPACE_STD_BEGIN
|
|
|
|
// IMPORTANT
|
|
// There is specialization of unique_ptr below and it's mosly copy paste.
|
|
// When changing model, remember to change it for specialization as well!
|
|
template <class _Tp, class _Dp = default_delete<_Tp>>
|
|
struct unique_ptr {
|
|
|
|
// use SFINAE to determine whether _Del::pointer exists
|
|
class _Pointer {
|
|
template <typename _Up>
|
|
static typename _Up::pointer __test(typename _Up::pointer*);
|
|
|
|
template <typename _Up>
|
|
static _Tp* __test(...);
|
|
|
|
typedef typename remove_reference<_Dp>::type _Del;
|
|
|
|
public:
|
|
typedef decltype(__test<_Del>(0)) type;
|
|
};
|
|
public:
|
|
typedef typename _Pointer::type pointer;
|
|
typedef _Tp element_type;
|
|
typedef _Dp deleter_type;
|
|
|
|
private:
|
|
/* std::unique_ptr<T> in infer is translated as T*
|
|
Look at model of std::shared_ptr for more details */
|
|
|
|
// translate shared_ptr as type 'pointer'
|
|
friend class infer_traits::TranslateAsType<pointer>;
|
|
|
|
/// type of 'this' in unique_ptr<T> as seen by infer
|
|
typedef const void** infer_unique_ptr_t;
|
|
// use it to avoid compilation errors and make infer analyzer happy
|
|
#define __cast_to_infer_ptr(self) ((infer_unique_ptr_t)self)
|
|
|
|
// provide overload for volatile void* to accomodate for situation when
|
|
// T is volatile ('volatile int' for example). 'void*' and 'nullptr_t'
|
|
// overloads are to avoid 'call to model_set is ambiguous' compilation errors
|
|
static void model_set(infer_unique_ptr_t self, nullptr_t value) noexcept {
|
|
*self = value;
|
|
}
|
|
|
|
static void model_set(infer_unique_ptr_t self, const void* value) noexcept {
|
|
*self = value;
|
|
}
|
|
|
|
static void model_set(infer_unique_ptr_t self,
|
|
volatile void* value) noexcept {
|
|
*self = const_cast<const void*>(value);
|
|
}
|
|
|
|
static void model_set(infer_unique_ptr_t self, void* value) noexcept {
|
|
*self = const_cast<const void*>(value);
|
|
}
|
|
|
|
// in case 'pointer' type is not type pointer, enable catch all overload of
|
|
// `model_set` to prevent compliation issues
|
|
static void model_set(...) noexcept { /* no model for this overload */
|
|
}
|
|
|
|
static void model_move(infer_unique_ptr_t self,
|
|
infer_unique_ptr_t other) noexcept {
|
|
*self = *other;
|
|
model_set(other, nullptr);
|
|
}
|
|
|
|
static pointer model_get(infer_unique_ptr_t self) noexcept {
|
|
return (pointer)(*self);
|
|
}
|
|
|
|
static void model_swap(infer_unique_ptr_t infer_self,
|
|
infer_unique_ptr_t infer_other) noexcept {
|
|
const void* t = *infer_self;
|
|
*infer_self = *infer_other;
|
|
*infer_other = t;
|
|
}
|
|
|
|
pointer __ignore__; // used to keep sizeof(unique_ptr) same as in standard
|
|
|
|
public:
|
|
template <class Y>
|
|
unique_ptr(const std__unique_ptr<Y>& u) {}
|
|
|
|
constexpr unique_ptr() noexcept {
|
|
model_set(__cast_to_infer_ptr(this), nullptr);
|
|
}
|
|
|
|
constexpr unique_ptr(nullptr_t) noexcept : unique_ptr<_Tp, _Dp>() {}
|
|
|
|
explicit unique_ptr(pointer ptr) noexcept {
|
|
model_set(__cast_to_infer_ptr(this), ptr);
|
|
}
|
|
|
|
unique_ptr(pointer ptr,
|
|
typename conditional<
|
|
is_reference<deleter_type>::value,
|
|
deleter_type,
|
|
typename add_lvalue_reference<const deleter_type>::type>::type
|
|
__d) noexcept
|
|
: unique_ptr<_Tp, _Dp>(ptr) {}
|
|
|
|
unique_ptr(pointer ptr,
|
|
typename remove_reference<deleter_type>::type&& __d) noexcept
|
|
: unique_ptr<_Tp, _Dp>(ptr) {}
|
|
|
|
unique_ptr(unique_ptr&& u) noexcept {
|
|
model_move(__cast_to_infer_ptr(this), __cast_to_infer_ptr(&u));
|
|
}
|
|
|
|
template <class _Up,
|
|
class _Ep,
|
|
typename = typename enable_if<
|
|
!is_array<_Up>::value &&
|
|
is_convertible<typename unique_ptr<_Up, _Ep>::pointer,
|
|
pointer>::value &&
|
|
is_convertible<_Ep, deleter_type>::value &&
|
|
(!is_reference<deleter_type>::value ||
|
|
is_same<deleter_type, _Ep>::value)>::type>
|
|
unique_ptr(unique_ptr<_Up, _Ep>&& u) noexcept {
|
|
model_move(__cast_to_infer_ptr(this), __cast_to_infer_ptr(&u));
|
|
}
|
|
|
|
template <
|
|
class _Up,
|
|
typename = typename enable_if<is_convertible<_Up*, _Tp*>::value>::type>
|
|
unique_ptr(auto_ptr<_Up>&& __p) noexcept;
|
|
|
|
~unique_ptr() { reset(); }
|
|
|
|
unique_ptr& operator=(unique_ptr&& __u) noexcept {
|
|
model_move(__cast_to_infer_ptr(this), __cast_to_infer_ptr(&__u));
|
|
return *this;
|
|
}
|
|
|
|
template <class _Up,
|
|
class _Ep,
|
|
typename = typename enable_if<
|
|
!is_array<_Up>::value &&
|
|
is_convertible<typename unique_ptr<_Up, _Ep>::pointer,
|
|
pointer>::value &&
|
|
is_assignable<deleter_type&, _Ep&&>::value>::type>
|
|
unique_ptr& operator=(unique_ptr<_Up, _Ep>&& __u) noexcept {
|
|
model_move(__cast_to_infer_ptr(this), __cast_to_infer_ptr(&__u));
|
|
return *this;
|
|
}
|
|
|
|
unique_ptr& operator=(nullptr_t) noexcept {
|
|
reset();
|
|
return *this;
|
|
}
|
|
typename add_lvalue_reference<_Tp>::type operator*() const
|
|
INFER_MODEL_AS_DEREF_FIRST_ARG;
|
|
|
|
pointer operator->() const INFER_MODEL_AS_DEREF_FIRST_ARG;
|
|
|
|
pointer get() const INFER_MODEL_AS_DEREF_FIRST_ARG;
|
|
|
|
typedef typename remove_reference<deleter_type>::type& _Dp_reference;
|
|
typedef const typename remove_reference<deleter_type>::type&
|
|
_Dp_const_reference;
|
|
_Dp_const_reference get_deleter() const {}
|
|
_Dp_reference get_deleter() {}
|
|
|
|
explicit operator bool() const {
|
|
return !!(bool)(model_get(__cast_to_infer_ptr(this)));
|
|
}
|
|
pointer release() INFER_MODEL_AS_DEREF_FIRST_ARG;
|
|
|
|
void reset(pointer p = nullptr) { model_set(__cast_to_infer_ptr(this), p); }
|
|
|
|
void swap(unique_ptr& u) {
|
|
model_swap(__cast_to_infer_ptr(this), __cast_to_infer_ptr(&u));
|
|
}
|
|
};
|
|
|
|
template <class _Tp, class _Dp>
|
|
struct unique_ptr<_Tp[], _Dp> {
|
|
// use SFINAE to determine whether _Del::pointer exists
|
|
class _Pointer {
|
|
template <typename _Up>
|
|
static typename _Up::pointer __test(typename _Up::pointer*);
|
|
|
|
template <typename _Up>
|
|
static _Tp* __test(...);
|
|
|
|
typedef typename remove_reference<_Dp>::type _Del;
|
|
|
|
public:
|
|
typedef decltype(__test<_Del>(0)) type;
|
|
};
|
|
|
|
public:
|
|
typedef typename _Pointer::type pointer;
|
|
typedef _Tp element_type;
|
|
typedef _Dp deleter_type;
|
|
|
|
private:
|
|
// translate shared_ptr as type pointer
|
|
friend class infer_traits::TranslateAsType<pointer>;
|
|
|
|
/// type of 'this' in unique_ptr<T> as seen by infer
|
|
typedef const void** infer_unique_ptr_t;
|
|
// use it to avoid compilation errors and make infer analyzer happy
|
|
#define __cast_to_infer_ptr(self) ((infer_unique_ptr_t)self)
|
|
|
|
static void model_set(infer_unique_ptr_t self, const void* value) noexcept {
|
|
*self = value;
|
|
}
|
|
|
|
// in case 'pointer' type is not type pointer, enable catch all overload of
|
|
// `model_set` to prevent compliation issues
|
|
static void model_set(...) noexcept { /* no model for this overload */
|
|
}
|
|
|
|
static void model_move(infer_unique_ptr_t self,
|
|
infer_unique_ptr_t other) noexcept {
|
|
*self = *other;
|
|
model_set(other, nullptr);
|
|
}
|
|
|
|
static pointer model_get(infer_unique_ptr_t self) noexcept {
|
|
return (pointer)(*self);
|
|
}
|
|
|
|
static void model_swap(infer_unique_ptr_t infer_self,
|
|
infer_unique_ptr_t infer_other) noexcept {
|
|
const void* t = *infer_self;
|
|
*infer_self = *infer_other;
|
|
*infer_other = t;
|
|
}
|
|
|
|
pointer __ignore__; // used to keep sizeof(unique_ptr) same as in standard
|
|
|
|
public:
|
|
constexpr unique_ptr() noexcept {
|
|
model_set(__cast_to_infer_ptr(this), nullptr);
|
|
}
|
|
|
|
constexpr unique_ptr(nullptr_t) noexcept : unique_ptr() {}
|
|
|
|
explicit unique_ptr(pointer ptr) noexcept {
|
|
model_set(__cast_to_infer_ptr(this), ptr);
|
|
}
|
|
|
|
unique_ptr(
|
|
pointer ptr,
|
|
typename conditional<
|
|
is_reference<deleter_type>::value,
|
|
deleter_type,
|
|
typename add_lvalue_reference<const deleter_type>::type>::type
|
|
__d) noexcept
|
|
: unique_ptr(ptr) {}
|
|
|
|
unique_ptr(pointer ptr,
|
|
typename remove_reference<deleter_type>::type&& __d) noexcept
|
|
: unique_ptr(ptr) {}
|
|
|
|
unique_ptr(unique_ptr&& u) noexcept {
|
|
model_move(__cast_to_infer_ptr(this), __cast_to_infer_ptr(&u));
|
|
}
|
|
|
|
template <class _Up,
|
|
class _Ep,
|
|
typename = typename enable_if<
|
|
is_array<_Up>::value &&
|
|
is_convertible<typename unique_ptr<_Up, _Ep>::pointer,
|
|
pointer>::value &&
|
|
is_convertible<_Ep, deleter_type>::value &&
|
|
(!is_reference<deleter_type>::value ||
|
|
is_same<deleter_type, _Ep>::value)>::type>
|
|
unique_ptr(unique_ptr<_Up, _Ep>&& u) noexcept {
|
|
model_move(__cast_to_infer_ptr(this), __cast_to_infer_ptr(&u));
|
|
}
|
|
|
|
template <
|
|
class _Up,
|
|
typename = typename enable_if<is_convertible<_Up*, _Tp*>::value>::type>
|
|
unique_ptr(auto_ptr<_Up>&& __p) noexcept;
|
|
|
|
~unique_ptr() { reset(); }
|
|
|
|
unique_ptr& operator=(unique_ptr&& __u) noexcept {
|
|
model_move(__cast_to_infer_ptr(this), __cast_to_infer_ptr(&__u));
|
|
return *this;
|
|
}
|
|
|
|
template <class _Up,
|
|
class _Ep,
|
|
typename = typename enable_if<
|
|
is_array<_Up>::value &&
|
|
is_convertible<typename unique_ptr<_Up, _Ep>::pointer,
|
|
pointer>::value &&
|
|
is_assignable<deleter_type&, _Ep&&>::value>::type>
|
|
unique_ptr& operator=(unique_ptr<_Up, _Ep>&& __u) noexcept {
|
|
model_move(__cast_to_infer_ptr(this), __cast_to_infer_ptr(&__u));
|
|
return *this;
|
|
}
|
|
|
|
unique_ptr& operator=(nullptr_t) noexcept {
|
|
reset();
|
|
return *this;
|
|
}
|
|
|
|
typename add_lvalue_reference<_Tp>::type operator[](size_t i) const
|
|
INFER_MODEL_AS_DEREF_FIRST_ARG;
|
|
|
|
pointer get() const INFER_MODEL_AS_DEREF_FIRST_ARG;
|
|
typedef typename remove_reference<deleter_type>::type& _Dp_reference;
|
|
typedef const typename remove_reference<deleter_type>::type&
|
|
_Dp_const_reference;
|
|
_Dp_const_reference get_deleter() const {}
|
|
_Dp_reference get_deleter() {}
|
|
|
|
explicit operator bool() const {
|
|
return !!(bool)(model_get(__cast_to_infer_ptr(this)));
|
|
}
|
|
pointer release() INFER_MODEL_AS_DEREF_FIRST_ARG;
|
|
|
|
void reset(pointer p = nullptr) { model_set(__cast_to_infer_ptr(this), p); }
|
|
|
|
void swap(unique_ptr& u) {
|
|
model_swap(__cast_to_infer_ptr(this), __cast_to_infer_ptr(&u));
|
|
}
|
|
};
|
|
|
|
template <class _T1, class _D1, class _T2, class _D2>
|
|
inline bool operator==(const unique_ptr<_T1, _D1>& __x,
|
|
const unique_ptr<_T2, _D2>& __y) {
|
|
return __x.get() == __y.get();
|
|
}
|
|
|
|
template <class _T1, class _D1, class _T2, class _D2>
|
|
inline bool operator!=(const unique_ptr<_T1, _D1>& __x,
|
|
const unique_ptr<_T2, _D2>& __y) {
|
|
return !(__x == __y);
|
|
}
|
|
|
|
template <class _T1, class _D1, class _T2, class _D2>
|
|
inline bool operator<(const unique_ptr<_T1, _D1>& __x,
|
|
const unique_ptr<_T2, _D2>& __y) {
|
|
/*typedef typename unique_ptr<_T1, _D1>::pointer _P1;
|
|
typedef typename unique_ptr<_T2, _D2>::pointer _P2;
|
|
typedef typename common_type<_P1, _P2>::type _Vp;
|
|
return less<_Vp>()(__x.get(), __y.get());*/
|
|
}
|
|
|
|
template <class _T1, class _D1, class _T2, class _D2>
|
|
inline bool operator>(const unique_ptr<_T1, _D1>& __x,
|
|
const unique_ptr<_T2, _D2>& __y) {
|
|
return __y < __x;
|
|
}
|
|
|
|
template <class _T1, class _D1, class _T2, class _D2>
|
|
inline bool operator<=(const unique_ptr<_T1, _D1>& __x,
|
|
const unique_ptr<_T2, _D2>& __y) {
|
|
return !(__y < __x);
|
|
}
|
|
|
|
template <class _T1, class _D1, class _T2, class _D2>
|
|
inline bool operator>=(const unique_ptr<_T1, _D1>& __x,
|
|
const unique_ptr<_T2, _D2>& __y) {
|
|
return !(__x < __y);
|
|
}
|
|
|
|
template <class _T1, class _D1>
|
|
inline bool operator==(const unique_ptr<_T1, _D1>& __x, nullptr_t) {
|
|
return !__x;
|
|
}
|
|
|
|
template <class _T1, class _D1>
|
|
inline bool operator==(nullptr_t, const unique_ptr<_T1, _D1>& __x) {
|
|
return !__x;
|
|
}
|
|
|
|
template <class _T1, class _D1>
|
|
inline bool operator!=(const unique_ptr<_T1, _D1>& __x, nullptr_t) {
|
|
return static_cast<bool>(__x);
|
|
}
|
|
|
|
template <class _T1, class _D1>
|
|
inline bool operator!=(nullptr_t, const unique_ptr<_T1, _D1>& __x) {
|
|
return static_cast<bool>(__x);
|
|
}
|
|
|
|
template <class _T1, class _D1>
|
|
inline bool operator<(const unique_ptr<_T1, _D1>& __x, nullptr_t) {
|
|
/*typedef typename unique_ptr<_T1, _D1>::pointer _P1;
|
|
return less<_P1>()(__x.get(), nullptr);*/
|
|
}
|
|
|
|
template <class _T1, class _D1>
|
|
inline bool operator<(nullptr_t, const unique_ptr<_T1, _D1>& __x) {
|
|
/*typedef typename unique_ptr<_T1, _D1>::pointer _P1;
|
|
return less<_P1>()(nullptr, __x.get());*/
|
|
}
|
|
|
|
template <class _T1, class _D1>
|
|
inline bool operator>(const unique_ptr<_T1, _D1>& __x, nullptr_t) {
|
|
return nullptr < __x;
|
|
}
|
|
|
|
template <class _T1, class _D1>
|
|
inline bool operator>(nullptr_t, const unique_ptr<_T1, _D1>& __x) {
|
|
return __x < nullptr;
|
|
}
|
|
|
|
template <class _T1, class _D1>
|
|
inline bool operator<=(const unique_ptr<_T1, _D1>& __x, nullptr_t) {
|
|
return !(nullptr < __x);
|
|
}
|
|
|
|
template <class _T1, class _D1>
|
|
inline bool operator<=(nullptr_t, const unique_ptr<_T1, _D1>& __x) {
|
|
return !(__x < nullptr);
|
|
}
|
|
|
|
template <class _T1, class _D1>
|
|
inline bool operator>=(const unique_ptr<_T1, _D1>& __x, nullptr_t) {
|
|
return !(__x < nullptr);
|
|
}
|
|
|
|
template <class _T1, class _D1>
|
|
inline bool operator>=(nullptr_t, const unique_ptr<_T1, _D1>& __x) {
|
|
return !(nullptr < __x);
|
|
}
|
|
|
|
template <class T, class D>
|
|
struct hash<unique_ptr<T, D>> : public hash<std__unique_ptr<T, D>> {
|
|
size_t operator()(const unique_ptr<T, D>& __u) const noexcept {}
|
|
};
|
|
|
|
template <typename _Tp>
|
|
struct _MakeUniq2 {
|
|
typedef unique_ptr<_Tp> __single_object;
|
|
};
|
|
|
|
template <typename _Tp>
|
|
struct _MakeUniq2<_Tp[]> {
|
|
typedef unique_ptr<_Tp[]> __array;
|
|
};
|
|
|
|
template <typename _Tp, size_t _Bound>
|
|
struct _MakeUniq2<_Tp[_Bound]> {
|
|
struct __invalid_type {};
|
|
};
|
|
|
|
/// std::make_unique for single objects
|
|
template <typename _Tp, typename... _Args>
|
|
inline typename _MakeUniq2<_Tp>::__single_object make_unique(
|
|
_Args&&... __args) {
|
|
return unique_ptr<_Tp>(::new _Tp(std::forward<_Args>(__args)...));
|
|
}
|
|
|
|
/// std::make_unique for arrays of unknown bound
|
|
template <typename _Tp>
|
|
inline typename _MakeUniq2<_Tp>::__array make_unique(size_t __num) {
|
|
return unique_ptr<_Tp>(::new typename remove_extent<_Tp>::type[__num]());
|
|
}
|
|
|
|
/// Disable std::make_unique for arrays of known bound
|
|
template <typename _Tp, typename... _Args>
|
|
inline typename _MakeUniq2<_Tp>::__invalid_type make_unique(_Args&&...) =
|
|
delete;
|
|
INFER_NAMESPACE_STD_END
|
|
|
|
#undef __cast_to_infer_ptr
|