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git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@114658 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Howard Hinnant
2010-09-23 16:27:36 +00:00
parent aef07cbffd
commit 28c97e6ee1
2 changed files with 168 additions and 24 deletions
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56
include/scoped_allocator
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@@ -181,12 +181,14 @@ private:
protected:
_LIBCPP_INLINE_VISIBILITY
__scoped_allocator_storage() {}
template <class _OuterA2,
class = typename enable_if<
is_constructible<outer_allocator_type, _OuterA2>::value
>::type>
_LIBCPP_INLINE_VISIBILITY
__scoped_allocator_storage(_OuterA2&& __outerAlloc,
const _InnerAllocs& ...__innerAllocs)
: outer_allocator_type(_STD::forward<_OuterA2>(__outerAlloc)),
@@ -196,6 +198,7 @@ protected:
class = typename enable_if<
is_constructible<outer_allocator_type, const _OuterA2&>::value
>::type>
_LIBCPP_INLINE_VISIBILITY
__scoped_allocator_storage(
const __scoped_allocator_storage<_OuterA2, _InnerAllocs...>& __other)
: outer_allocator_type(__other.outer_allocator()),
@@ -205,6 +208,7 @@ protected:
class = typename enable_if<
is_constructible<outer_allocator_type, _OuterA2>::value
>::type>
_LIBCPP_INLINE_VISIBILITY
__scoped_allocator_storage(
__scoped_allocator_storage<_OuterA2, _InnerAllocs...>&& __other)
: outer_allocator_type(_STD::move(__other.outer_allocator())),
@@ -214,22 +218,28 @@ protected:
class = typename enable_if<
is_constructible<outer_allocator_type, _OuterA2>::value
>::type>
__scoped_allocator_storage(_OuterA2&& __o,
const inner_allocator_type& __i)
: outer_allocator_type(_STD::forward<_OuterA2>(__o)),
__inner_(__i)
{
}
_LIBCPP_INLINE_VISIBILITY
__scoped_allocator_storage(_OuterA2&& __o,
const inner_allocator_type& __i)
: outer_allocator_type(_STD::forward<_OuterA2>(__o)),
__inner_(__i)
{
}
_LIBCPP_INLINE_VISIBILITY
inner_allocator_type& inner_allocator() {return __inner_;}
_LIBCPP_INLINE_VISIBILITY
const inner_allocator_type& inner_allocator() const {return __inner_;}
_LIBCPP_INLINE_VISIBILITY
outer_allocator_type& outer_allocator()
{return static_cast<outer_allocator_type&>(*this);}
_LIBCPP_INLINE_VISIBILITY
const outer_allocator_type& outer_allocator() const
{return static_cast<const outer_allocator_type&>(*this);}
scoped_allocator_adaptor<outer_allocator_type, _InnerAllocs...>
_LIBCPP_INLINE_VISIBILITY
select_on_container_copy_construction() const
{
return scoped_allocator_adaptor<outer_allocator_type, _InnerAllocs...>
@@ -252,12 +262,14 @@ class __scoped_allocator_storage<_OuterAlloc>
protected:
typedef scoped_allocator_adaptor<_OuterAlloc> inner_allocator_type;
_LIBCPP_INLINE_VISIBILITY
__scoped_allocator_storage() {}
template <class _OuterA2,
class = typename enable_if<
is_constructible<outer_allocator_type, _OuterA2>::value
>::type>
_LIBCPP_INLINE_VISIBILITY
__scoped_allocator_storage(_OuterA2&& __outerAlloc)
: outer_allocator_type(_STD::forward<_OuterA2>(__outerAlloc)) {}
@@ -265,6 +277,7 @@ protected:
class = typename enable_if<
is_constructible<outer_allocator_type, const _OuterA2&>::value
>::type>
_LIBCPP_INLINE_VISIBILITY
__scoped_allocator_storage(
const __scoped_allocator_storage<_OuterA2>& __other)
: outer_allocator_type(__other.outer_allocator()) {}
@@ -273,20 +286,26 @@ protected:
class = typename enable_if<
is_constructible<outer_allocator_type, _OuterA2>::value
>::type>
_LIBCPP_INLINE_VISIBILITY
__scoped_allocator_storage(
__scoped_allocator_storage<_OuterA2>&& __other)
: outer_allocator_type(_STD::move(__other.outer_allocator())) {}
_LIBCPP_INLINE_VISIBILITY
inner_allocator_type& inner_allocator()
{return static_cast<inner_allocator_type&>(*this);}
_LIBCPP_INLINE_VISIBILITY
const inner_allocator_type& inner_allocator() const
{return static_cast<const inner_allocator_type&>(*this);}
_LIBCPP_INLINE_VISIBILITY
outer_allocator_type& outer_allocator()
{return static_cast<outer_allocator_type&>(*this);}
_LIBCPP_INLINE_VISIBILITY
const outer_allocator_type& outer_allocator() const
{return static_cast<const outer_allocator_type&>(*this);}
_LIBCPP_INLINE_VISIBILITY
scoped_allocator_adaptor<outer_allocator_type>
select_on_container_copy_construction() const
{return scoped_allocator_adaptor<outer_allocator_type>(
@@ -323,6 +342,7 @@ template <class _Alloc, bool = __has_outer_allocator<_Alloc>::value>
struct __outermost
{
typedef _Alloc type;
_LIBCPP_INLINE_VISIBILITY
type& operator()(type& __a) const {return __a;}
};
@@ -334,12 +354,13 @@ struct __outermost<_Alloc, true>
decltype(_STD::declval<_Alloc>().outer_allocator())
>::type _OuterAlloc;
typedef typename __outermost<_OuterAlloc>::type type;
_LIBCPP_INLINE_VISIBILITY
type& operator()(_Alloc& __a) const
{return __outermost<_OuterAlloc>()(__a.outer_allocator());}
};
template <class _OuterAlloc, class... _InnerAllocs>
class scoped_allocator_adaptor<_OuterAlloc, _InnerAllocs...>
class _LIBCPP_VISIBLE scoped_allocator_adaptor<_OuterAlloc, _InnerAllocs...>
: public __scoped_allocator_storage<_OuterAlloc, _InnerAllocs...>
{
typedef __scoped_allocator_storage<_OuterAlloc, _InnerAllocs...> base;
@@ -381,11 +402,13 @@ public:
> other;
};
_LIBCPP_INLINE_VISIBILITY
scoped_allocator_adaptor() {}
template <class _OuterA2,
class = typename enable_if<
is_constructible<outer_allocator_type, _OuterA2>::value
>::type>
_LIBCPP_INLINE_VISIBILITY
scoped_allocator_adaptor(_OuterA2&& __outerAlloc,
const _InnerAllocs& ...__innerAllocs)
: base(_STD::forward<_OuterA2>(__outerAlloc), __innerAllocs...) {}
@@ -394,6 +417,7 @@ public:
class = typename enable_if<
is_constructible<outer_allocator_type, const _OuterA2&>::value
>::type>
_LIBCPP_INLINE_VISIBILITY
scoped_allocator_adaptor(
const scoped_allocator_adaptor<_OuterA2, _InnerAllocs...>& __other)
: base(__other) {}
@@ -401,41 +425,52 @@ public:
class = typename enable_if<
is_constructible<outer_allocator_type, _OuterA2>::value
>::type>
_LIBCPP_INLINE_VISIBILITY
scoped_allocator_adaptor(
scoped_allocator_adaptor<_OuterA2, _InnerAllocs...>&& __other)
: base(_STD::move(__other)) {}
// ~scoped_allocator_adaptor() = default;
_LIBCPP_INLINE_VISIBILITY
inner_allocator_type& inner_allocator()
{return base::inner_allocator();}
_LIBCPP_INLINE_VISIBILITY
const inner_allocator_type& inner_allocator() const
{return base::inner_allocator();}
_LIBCPP_INLINE_VISIBILITY
outer_allocator_type& outer_allocator()
{return base::outer_allocator();}
_LIBCPP_INLINE_VISIBILITY
const outer_allocator_type& outer_allocator() const
{return base::outer_allocator();}
_LIBCPP_INLINE_VISIBILITY
pointer allocate(size_type __n)
{return allocator_traits<outer_allocator_type>::
allocate(outer_allocator(), __n);}
_LIBCPP_INLINE_VISIBILITY
pointer allocate(size_type __n, const_void_pointer __hint)
{return allocator_traits<outer_allocator_type>::
allocate(outer_allocator(), __n, __hint);}
_LIBCPP_INLINE_VISIBILITY
void deallocate(pointer __p, size_type __n)
{allocator_traits<outer_allocator_type>::
deallocate(outer_allocator(), __p, __n);}
_LIBCPP_INLINE_VISIBILITY
size_type max_size() const
{allocator_traits<outer_allocator_type>::max_size(outer_allocator());}
{return allocator_traits<outer_allocator_type>::max_size(outer_allocator());}
template <class _Tp, class... _Args>
_LIBCPP_INLINE_VISIBILITY
void construct(_Tp* __p, _Args&& ...__args)
{__construct(__uses_alloc_ctor<_Tp, inner_allocator_type, _Args...>(),
__p, _STD::forward<_Args>(__args)...);}
template <class _Tp>
_LIBCPP_INLINE_VISIBILITY
void destroy(_Tp* __p)
{
typedef __outermost<outer_allocator_type> _OM;
@@ -443,6 +478,7 @@ public:
destroy(_OM()(outer_allocator()), __p);
}
_LIBCPP_INLINE_VISIBILITY
scoped_allocator_adaptor select_on_container_copy_construction() const
{return base::select_on_container_copy_construction();}
@@ -452,11 +488,13 @@ private:
class = typename enable_if<
is_constructible<outer_allocator_type, _OuterA2>::value
>::type>
_LIBCPP_INLINE_VISIBILITY
scoped_allocator_adaptor(_OuterA2&& __o,
const inner_allocator_type& __i)
: base(_STD::forward<_OuterA2>(__o), __i) {}
template <class _Tp, class... _Args>
_LIBCPP_INLINE_VISIBILITY
void __construct(integral_constant<int, 0>, _Tp* __p, _Args&& ...__args)
{
typedef __outermost<outer_allocator_type> _OM;
@@ -469,6 +507,7 @@ private:
}
template <class _Tp, class... _Args>
_LIBCPP_INLINE_VISIBILITY
void __construct(integral_constant<int, 1>, _Tp* __p, _Args&& ...__args)
{
typedef __outermost<outer_allocator_type> _OM;
@@ -483,6 +522,7 @@ private:
}
template <class _Tp, class... _Args>
_LIBCPP_INLINE_VISIBILITY
void __construct(integral_constant<int, 2>, _Tp* __p, _Args&& ...__args)
{
typedef __outermost<outer_allocator_type> _OM;