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noexcept for <bitset>.

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git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@132216 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Howard Hinnant
2011-05-27 20:52:28 +00:00
parent a5e0121b8d
commit 10f25d2739
2 changed files with 159 additions and 150 deletions
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45
include/__bit_reference
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@@ -38,11 +38,13 @@ class __bit_reference
friend class __bit_const_reference<_C>;
friend class __bit_iterator<_C, false>;
public:
_LIBCPP_INLINE_VISIBILITY operator bool() const {return static_cast<bool>(*__seg_ & __mask_);}
_LIBCPP_INLINE_VISIBILITY bool operator ~() const {return !static_cast<bool>(*this);}
_LIBCPP_INLINE_VISIBILITY operator bool() const _NOEXCEPT
{return static_cast<bool>(*__seg_ & __mask_);}
_LIBCPP_INLINE_VISIBILITY bool operator ~() const _NOEXCEPT
{return !static_cast<bool>(*this);}
_LIBCPP_INLINE_VISIBILITY
__bit_reference& operator=(bool __x)
__bit_reference& operator=(bool __x) _NOEXCEPT
{
if (__x)
*__seg_ |= __mask_;
@@ -52,20 +54,22 @@ public:
}
_LIBCPP_INLINE_VISIBILITY
__bit_reference& operator=(const __bit_reference& __x) {return operator=(static_cast<bool>(__x));}
__bit_reference& operator=(const __bit_reference& __x) _NOEXCEPT
{return operator=(static_cast<bool>(__x));}
_LIBCPP_INLINE_VISIBILITY void flip() {*__seg_ ^= __mask_;}
_LIBCPP_INLINE_VISIBILITY __bit_iterator<_C, false> operator&() const
_LIBCPP_INLINE_VISIBILITY void flip() _NOEXCEPT {*__seg_ ^= __mask_;}
_LIBCPP_INLINE_VISIBILITY __bit_iterator<_C, false> operator&() const _NOEXCEPT
{return __bit_iterator<_C, false>(__seg_, static_cast<unsigned>(__ctz(__mask_)));}
private:
_LIBCPP_INLINE_VISIBILITY
__bit_reference(__storage_pointer __s, __storage_type __m) : __seg_(__s), __mask_(__m) {}
__bit_reference(__storage_pointer __s, __storage_type __m) _NOEXCEPT
: __seg_(__s), __mask_(__m) {}
};
template <class _C, class _D>
_LIBCPP_INLINE_VISIBILITY inline
void
swap(__bit_reference<_C> __x, __bit_reference<_D> __y)
swap(__bit_reference<_C> __x, __bit_reference<_D> __y) _NOEXCEPT
{
bool __t = __x;
__x = __y;
@@ -75,7 +79,7 @@ swap(__bit_reference<_C> __x, __bit_reference<_D> __y)
template <class _C>
_LIBCPP_INLINE_VISIBILITY inline
void
swap(__bit_reference<_C> __x, bool& __y)
swap(__bit_reference<_C> __x, bool& __y) _NOEXCEPT
{
bool __t = __x;
__x = __y;
@@ -85,7 +89,7 @@ swap(__bit_reference<_C> __x, bool& __y)
template <class _C>
_LIBCPP_INLINE_VISIBILITY inline
void
swap(bool& __x, __bit_reference<_C> __y)
swap(bool& __x, __bit_reference<_C> __y) _NOEXCEPT
{
bool __t = __x;
__x = __y;
@@ -109,16 +113,18 @@ class __bit_const_reference
friend class __bit_iterator<_C, true>;
public:
_LIBCPP_INLINE_VISIBILITY
__bit_const_reference(const __bit_reference<_C>& __x)
__bit_const_reference(const __bit_reference<_C>& __x) _NOEXCEPT
: __seg_(__x.__seg_), __mask_(__x.__mask_) {}
_LIBCPP_INLINE_VISIBILITY operator bool() const {return static_cast<bool>(*__seg_ & __mask_);}
_LIBCPP_INLINE_VISIBILITY operator bool() const _NOEXCEPT
{return static_cast<bool>(*__seg_ & __mask_);}
_LIBCPP_INLINE_VISIBILITY __bit_iterator<_C, true> operator&() const
_LIBCPP_INLINE_VISIBILITY __bit_iterator<_C, true> operator&() const _NOEXCEPT
{return __bit_iterator<_C, true>(__seg_, static_cast<unsigned>(__ctz(__mask_)));}
private:
_LIBCPP_INLINE_VISIBILITY
__bit_const_reference(__storage_pointer __s, __storage_type __m) : __seg_(__s), __mask_(__m) {}
__bit_const_reference(__storage_pointer __s, __storage_type __m) _NOEXCEPT
: __seg_(__s), __mask_(__m) {}
__bit_const_reference& operator=(const __bit_const_reference& __x);
};
@@ -1057,12 +1063,14 @@ private:
unsigned __ctz_;
public:
_LIBCPP_INLINE_VISIBILITY __bit_iterator() {}
_LIBCPP_INLINE_VISIBILITY __bit_iterator() _NOEXCEPT {}
_LIBCPP_INLINE_VISIBILITY __bit_iterator(const __bit_iterator<_C, false>& __it)
_LIBCPP_INLINE_VISIBILITY
__bit_iterator(const __bit_iterator<_C, false>& __it) _NOEXCEPT
: __seg_(__it.__seg_), __ctz_(__it.__ctz_) {}
_LIBCPP_INLINE_VISIBILITY reference operator*() const {return reference(__seg_, __storage_type(1) << __ctz_);}
_LIBCPP_INLINE_VISIBILITY reference operator*() const _NOEXCEPT
{return reference(__seg_, __storage_type(1) << __ctz_);}
_LIBCPP_INLINE_VISIBILITY __bit_iterator& operator++()
{
@@ -1162,7 +1170,8 @@ public:
private:
_LIBCPP_INLINE_VISIBILITY
__bit_iterator(__storage_pointer __s, unsigned __ctz) : __seg_(__s), __ctz_(__ctz) {}
__bit_iterator(__storage_pointer __s, unsigned __ctz) _NOEXCEPT
: __seg_(__s), __ctz_(__ctz) {}
#if defined(__clang__)
friend typename _C::__self;