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Fix http://llvm.org/bugs/show_bug.cgi?id=11616 

llvm-svn: 146881
This commit is contained in:
Howard Hinnant 2011-12-19 17:58:44 +00:00
parent 24159e346d
commit a87b5e3446
3 changed files with 139 additions and 61 deletions
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137
libcxx/include/memory
View File

@ -596,6 +596,7 @@ void* align(size_t alignment, size_t size, void*& ptr, size_t& space);
#include <iterator>
#include <__functional_base>
#include <iosfwd>
#include <tuple>
#if defined(_LIBCPP_NO_EXCEPTIONS)
#include <cassert>
#endif
@ -608,12 +609,6 @@ void* align(size_t alignment, size_t size, void*& ptr, size_t& space);
_LIBCPP_BEGIN_NAMESPACE_STD
// allocator_arg_t
struct _LIBCPP_VISIBLE allocator_arg_t { };
extern const allocator_arg_t allocator_arg;
// addressof
template <class _Tp>
@ -1570,58 +1565,6 @@ private:
{return __a;}
};
// uses_allocator
template <class _Tp>
struct __has_allocator_type
{
private:
struct __two {char _; char __;};
template <class _Up> static __two __test(...);
template <class _Up> static char __test(typename _Up::allocator_type* = 0);
public:
static const bool value = sizeof(__test<_Tp>(0)) == 1;
};
template <class _Tp, class _Alloc, bool = __has_allocator_type<_Tp>::value>
struct __uses_allocator
: public integral_constant<bool,
is_convertible<_Alloc, typename _Tp::allocator_type>::value>
{
};
template <class _Tp, class _Alloc>
struct __uses_allocator<_Tp, _Alloc, false>
: public false_type
{
};
template <class _Tp, class _Alloc>
struct _LIBCPP_VISIBLE uses_allocator
: public __uses_allocator<_Tp, _Alloc>
{
};
#ifndef _LIBCPP_HAS_NO_VARIADICS
// uses-allocator construction
template <class _Tp, class _Alloc, class ..._Args>
struct __uses_alloc_ctor_imp
{
static const bool __ua = uses_allocator<_Tp, _Alloc>::value;
static const bool __ic =
is_constructible<_Tp, allocator_arg_t, _Alloc, _Args...>::value;
static const int value = __ua ? 2 - __ic : 0;
};
template <class _Tp, class _Alloc, class ..._Args>
struct __uses_alloc_ctor
: integral_constant<int, __uses_alloc_ctor_imp<_Tp, _Alloc, _Args...>::value>
{};
#endif // _LIBCPP_HAS_NO_VARIADICS
// allocator
template <class _Tp>
@ -1940,6 +1883,21 @@ public:
return *this;
}
#ifndef _LIBCPP_HAS_NO_VARIADICS
template <class... _Args1, class... _Args2, size_t... _I1, size_t... _I2>
_LIBCPP_INLINE_VISIBILITY
__libcpp_compressed_pair_imp(piecewise_construct_t __pc,
tuple<_Args1...> __first_args,
tuple<_Args2...> __second_args,
__tuple_indices<_I1...>,
__tuple_indices<_I2...>)
: __first_(_VSTD::forward<_Args1>(get<_I1>(__first_args))...),
__second_(_VSTD::forward<_Args2>(get<_I2>(__second_args))...)
{}
#endif // _LIBCPP_HAS_NO_VARIADICS
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
#endif // _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS
@ -2020,6 +1978,21 @@ public:
return *this;
}
#ifndef _LIBCPP_HAS_NO_VARIADICS
template <class... _Args1, class... _Args2, size_t... _I1, size_t... _I2>
_LIBCPP_INLINE_VISIBILITY
__libcpp_compressed_pair_imp(piecewise_construct_t __pc,
tuple<_Args1...> __first_args,
tuple<_Args2...> __second_args,
__tuple_indices<_I1...>,
__tuple_indices<_I2...>)
: _T1(_VSTD::forward<_Args1>(get<_I1>(__first_args))...),
__second_(_VSTD::forward<_Args2>(get<_I2>(__second_args))...)
{}
#endif // _LIBCPP_HAS_NO_VARIADICS
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
#endif // _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS
@ -2101,6 +2074,22 @@ public:
return *this;
}
#ifndef _LIBCPP_HAS_NO_VARIADICS
template <class... _Args1, class... _Args2, size_t... _I1, size_t... _I2>
_LIBCPP_INLINE_VISIBILITY
__libcpp_compressed_pair_imp(piecewise_construct_t __pc,
tuple<_Args1...> __first_args,
tuple<_Args2...> __second_args,
__tuple_indices<_I1...>,
__tuple_indices<_I2...>)
: _T2(_VSTD::forward<_Args2>(get<_I2>(__second_args))...),
__first_(_VSTD::forward<_Args1>(get<_I1>(__first_args))...)
{}
#endif // _LIBCPP_HAS_NO_VARIADICS
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
#endif // _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS
@ -2179,6 +2168,21 @@ public:
return *this;
}
#ifndef _LIBCPP_HAS_NO_VARIADICS
template <class... _Args1, class... _Args2, size_t... _I1, size_t... _I2>
_LIBCPP_INLINE_VISIBILITY
__libcpp_compressed_pair_imp(piecewise_construct_t __pc,
tuple<_Args1...> __first_args,
tuple<_Args2...> __second_args,
__tuple_indices<_I1...>,
__tuple_indices<_I2...>)
: _T1(_VSTD::forward<_Args1>(get<_I1>(__first_args))...),
_T2(_VSTD::forward<_Args2>(get<_I2>(__second_args))...)
{}
#endif // _LIBCPP_HAS_NO_VARIADICS
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
#endif // _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS
@ -2251,6 +2255,20 @@ public:
base::operator=(_VSTD::move(__p));
return *this;
}
#ifndef _LIBCPP_HAS_NO_VARIADICS
template <class... _Args1, class... _Args2>
_LIBCPP_INLINE_VISIBILITY
__compressed_pair(piecewise_construct_t __pc, tuple<_Args1...> __first_args,
tuple<_Args2...> __second_args)
: base(__pc, __first_args, __second_args,
typename __make_tuple_indices<sizeof...(_Args1)>::type(),
typename __make_tuple_indices<sizeof...(_Args2) >::type())
{}
#endif // _LIBCPP_HAS_NO_VARIADICS
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
#endif // _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS
@ -3365,7 +3383,8 @@ public:
template <class ..._Args>
_LIBCPP_INLINE_VISIBILITY
__shared_ptr_emplace(_Alloc __a, _Args&& ...__args)
: __data_(_VSTD::move(__a), _Tp(_VSTD::forward<_Args>(__args)...)) {}
: __data_(piecewise_construct, _VSTD::forward_as_tuple(__a),
_VSTD::forward_as_tuple(_VSTD::forward<_Args>(__args)...)) {}
#else // _LIBCPP_HAS_NO_VARIADICS

61
libcxx/include/tuple
View File

@ -116,8 +116,9 @@ template <class... Types>
#include <__config>
#include <__tuple>
#include <cstddef>
#include <memory>
#include <type_traits>
#include <__functional_base>
#include <utility>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header
@ -125,6 +126,64 @@ template <class... Types>
_LIBCPP_BEGIN_NAMESPACE_STD
// allocator_arg_t
struct _LIBCPP_VISIBLE allocator_arg_t { };
extern const allocator_arg_t allocator_arg;
// uses_allocator
template <class _Tp>
struct __has_allocator_type
{
private:
struct __two {char _; char __;};
template <class _Up> static __two __test(...);
template <class _Up> static char __test(typename _Up::allocator_type* = 0);
public:
static const bool value = sizeof(__test<_Tp>(0)) == 1;
};
template <class _Tp, class _Alloc, bool = __has_allocator_type<_Tp>::value>
struct __uses_allocator
: public integral_constant<bool,
is_convertible<_Alloc, typename _Tp::allocator_type>::value>
{
};
template <class _Tp, class _Alloc>
struct __uses_allocator<_Tp, _Alloc, false>
: public false_type
{
};
template <class _Tp, class _Alloc>
struct _LIBCPP_VISIBLE uses_allocator
: public __uses_allocator<_Tp, _Alloc>
{
};
#ifndef _LIBCPP_HAS_NO_VARIADICS
// uses-allocator construction
template <class _Tp, class _Alloc, class ..._Args>
struct __uses_alloc_ctor_imp
{
static const bool __ua = uses_allocator<_Tp, _Alloc>::value;
static const bool __ic =
is_constructible<_Tp, allocator_arg_t, _Alloc, _Args...>::value;
static const int value = __ua ? 2 - __ic : 0;
};
template <class _Tp, class _Alloc, class ..._Args>
struct __uses_alloc_ctor
: integral_constant<int, __uses_alloc_ctor_imp<_Tp, _Alloc, _Args...>::value>
{};
#endif // _LIBCPP_HAS_NO_VARIADICS
#ifndef _LIBCPP_HAS_NO_VARIADICS
// tuple_size

2
libcxx/include/utility
View File

@ -306,7 +306,7 @@ struct _LIBCPP_VISIBLE pair
template <class... _Args1, class... _Args2, size_t... _I1, size_t... _I2>
template <class... _Args1, class... _Args2>
_LIBCPP_INLINE_VISIBILITY
pair(piecewise_construct_t __pc, tuple<_Args1...> __first_args,
tuple<_Args2...> __second_args)