diff options
author | Howard Hinnant <hhinnant@apple.com> | 2011-06-03 22:40:47 +0400 |
---|---|---|
committer | Howard Hinnant <hhinnant@apple.com> | 2011-06-03 22:40:47 +0400 |
commit | 2d45a18c24c56e8e76138b5b2da47de7656e6e02 (patch) | |
tree | bffdb6683d8096bcf1f96ffa9c1a8cfa01ac3f23 /libcxx/include/string | |
parent | 1b02ed8c7c8098237ec2100f175a78a7489a6581 (diff) |
Bring noexcept for <string> inline with other containers.
llvm-svn: 132573
Diffstat (limited to 'libcxx/include/string')
-rw-r--r-- | libcxx/include/string | 63 |
1 files changed, 45 insertions, 18 deletions
diff --git a/libcxx/include/string b/libcxx/include/string index 29a8c20df9e1..f05fe367cc0a 100644 --- a/libcxx/include/string +++ b/libcxx/include/string @@ -92,9 +92,12 @@ public: static const size_type npos = -1; - explicit basic_string(const allocator_type& a = allocator_type()); + basic_string() + noexcept(is_nothrow_default_constructible<allocator_type>::value); + explicit basic_string(const allocator_type& a); basic_string(const basic_string& str); - basic_string(basic_string&& str) noexcept; + basic_string(basic_string&& str) + noexcept(is_nothrow_move_constructible<allocator_type>::value); basic_string(const basic_string& str, size_type pos, size_type n = npos, const allocator_type& a = allocator_type()); basic_string(const_pointer s, const allocator_type& a = allocator_type()); @@ -110,7 +113,10 @@ public: ~basic_string(); basic_string& operator=(const basic_string& str); - basic_string& operator=(basic_string&& str); + basic_string& operator=(basic_string&& str) + noexcept( + allocator_type::propagate_on_container_move_assignment::value && + is_nothrow_move_assignable<allocator_type>::value); basic_string& operator=(const_pointer s); basic_string& operator=(value_type c); basic_string& operator=(initializer_list<value_type>); @@ -213,7 +219,9 @@ public: size_type copy(pointer s, size_type n, size_type pos = 0) const; basic_string substr(size_type pos = 0, size_type n = npos) const; - void swap(basic_string& str) noexcept; + void swap(basic_string& str) + noexcept(!allocator_type::propagate_on_container_swap::value || + __is_nothrow_swappable<allocator_type>::value) const_pointer c_str() const noexcept; const_pointer data() const noexcept; @@ -344,7 +352,8 @@ bool operator>=(const charT* lhs, const basic_string<charT, traits, Allocator>& template<class charT, class traits, class Allocator> void swap(basic_string<charT, traits, Allocator>& lhs, - basic_string<charT, traits, Allocator>& rhs) noexcept; + basic_string<charT, traits, Allocator>& rhs) + noexcept(noexcept(lhs.swap(rhs))); template<class charT, class traits, class Allocator> basic_istream<charT, traits>& @@ -1025,8 +1034,8 @@ public: typedef allocator_traits<allocator_type> __alloc_traits; typedef typename __alloc_traits::size_type size_type; typedef typename __alloc_traits::difference_type difference_type; - typedef typename allocator_type::reference reference; - typedef typename allocator_type::const_reference const_reference; + typedef value_type& reference; + typedef const value_type& const_reference; typedef typename __alloc_traits::pointer pointer; typedef typename __alloc_traits::const_pointer const_pointer; #ifdef _LIBCPP_DEBUG @@ -1109,13 +1118,15 @@ private: public: static const size_type npos = -1; - _LIBCPP_INLINE_VISIBILITY basic_string() _NOEXCEPT; + _LIBCPP_INLINE_VISIBILITY basic_string() + _NOEXCEPT_(is_nothrow_default_constructible<allocator_type>::value); _LIBCPP_INLINE_VISIBILITY explicit basic_string(const allocator_type& __a); basic_string(const basic_string& __str); basic_string(const basic_string& __str, const allocator_type& __a); #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES _LIBCPP_INLINE_VISIBILITY - basic_string(basic_string&& __str) _NOEXCEPT; + basic_string(basic_string&& __str) + _NOEXCEPT_(is_nothrow_move_constructible<allocator_type>::value); _LIBCPP_INLINE_VISIBILITY basic_string(basic_string&& __str, const allocator_type& __a); #endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES @@ -1148,7 +1159,9 @@ public: basic_string& operator=(const basic_string& __str); #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES _LIBCPP_INLINE_VISIBILITY - basic_string& operator=(basic_string&& __str); + basic_string& operator=(basic_string&& __str) + _NOEXCEPT_(__alloc_traits::propagate_on_container_move_assignment::value && + is_nothrow_move_assignable<allocator_type>::value); #endif _LIBCPP_INLINE_VISIBILITY basic_string& operator=(const_pointer __s) {return assign(__s);} basic_string& operator=(value_type __c); @@ -1212,7 +1225,7 @@ public: void reserve(size_type res_arg = 0); _LIBCPP_INLINE_VISIBILITY - void shrink_to_fit() {reserve();} + void shrink_to_fit() _NOEXCEPT {reserve();} _LIBCPP_INLINE_VISIBILITY void clear() _NOEXCEPT; _LIBCPP_INLINE_VISIBILITY bool empty() const _NOEXCEPT {return size() == 0;} @@ -1353,7 +1366,9 @@ public: basic_string substr(size_type __pos = 0, size_type __n = npos) const; _LIBCPP_INLINE_VISIBILITY - void swap(basic_string& __str) _NOEXCEPT; + void swap(basic_string& __str) + _NOEXCEPT_(!__alloc_traits::propagate_on_container_swap::value || + __is_nothrow_swappable<allocator_type>::value); _LIBCPP_INLINE_VISIBILITY const_pointer c_str() const _NOEXCEPT {return data();} @@ -1557,16 +1572,20 @@ private: _LIBCPP_INLINE_VISIBILITY void __move_assign(basic_string& __str, false_type); _LIBCPP_INLINE_VISIBILITY - void __move_assign(basic_string& __str, true_type); + void __move_assign(basic_string& __str, true_type) + _NOEXCEPT_(is_nothrow_move_assignable<allocator_type>::value); #endif _LIBCPP_INLINE_VISIBILITY - static void __swap_alloc(allocator_type& __x, allocator_type& __y) _NOEXCEPT + static void __swap_alloc(allocator_type& __x, allocator_type& __y) + _NOEXCEPT_(!__alloc_traits::propagate_on_container_swap::value || + __is_nothrow_swappable<allocator_type>::value) {__swap_alloc(__x, __y, integral_constant<bool, __alloc_traits::propagate_on_container_swap::value>());} _LIBCPP_INLINE_VISIBILITY - static void __swap_alloc(allocator_type& __x, allocator_type& __y, true_type) _NOEXCEPT + static void __swap_alloc(allocator_type& __x, allocator_type& __y, true_type) + _NOEXCEPT_(__is_nothrow_swappable<allocator_type>::value) { using _STD::swap; swap(__x, __y); @@ -1640,7 +1659,8 @@ basic_string<_CharT, _Traits, _Allocator>::__invalidate_iterators_past(size_type template <class _CharT, class _Traits, class _Allocator> _LIBCPP_INLINE_VISIBILITY inline -basic_string<_CharT, _Traits, _Allocator>::basic_string() _NOEXCEPT +basic_string<_CharT, _Traits, _Allocator>::basic_string() + _NOEXCEPT_(is_nothrow_default_constructible<allocator_type>::value) { __zero(); } @@ -1767,7 +1787,8 @@ basic_string<_CharT, _Traits, _Allocator>::basic_string(const basic_string& __st template <class _CharT, class _Traits, class _Allocator> _LIBCPP_INLINE_VISIBILITY inline -basic_string<_CharT, _Traits, _Allocator>::basic_string(basic_string&& __str) _NOEXCEPT +basic_string<_CharT, _Traits, _Allocator>::basic_string(basic_string&& __str) + _NOEXCEPT_(is_nothrow_move_constructible<allocator_type>::value) : __r_(_STD::move(__str.__r_)) { __str.__zero(); @@ -2094,6 +2115,7 @@ template <class _CharT, class _Traits, class _Allocator> _LIBCPP_INLINE_VISIBILITY inline void basic_string<_CharT, _Traits, _Allocator>::__move_assign(basic_string& __str, true_type) + _NOEXCEPT_(is_nothrow_move_assignable<allocator_type>::value) { clear(); shrink_to_fit(); @@ -2105,6 +2127,8 @@ template <class _CharT, class _Traits, class _Allocator> _LIBCPP_INLINE_VISIBILITY inline basic_string<_CharT, _Traits, _Allocator>& basic_string<_CharT, _Traits, _Allocator>::operator=(basic_string&& __str) + _NOEXCEPT_(__alloc_traits::propagate_on_container_move_assignment::value && + is_nothrow_move_assignable<allocator_type>::value) { __move_assign(__str, integral_constant<bool, __alloc_traits::propagate_on_container_move_assignment::value>()); @@ -2977,6 +3001,8 @@ template <class _CharT, class _Traits, class _Allocator> _LIBCPP_INLINE_VISIBILITY inline void basic_string<_CharT, _Traits, _Allocator>::swap(basic_string& __str) + _NOEXCEPT_(!__alloc_traits::propagate_on_container_swap::value || + __is_nothrow_swappable<allocator_type>::value) { _STD::swap(__r_.first(), __str.__r_.first()); __swap_alloc(__alloc(), __str.__alloc()); @@ -3853,7 +3879,8 @@ template<class _CharT, class _Traits, class _Allocator> _LIBCPP_INLINE_VISIBILITY inline void swap(basic_string<_CharT, _Traits, _Allocator>& __lhs, - basic_string<_CharT, _Traits, _Allocator>& __rhs) _NOEXCEPT + basic_string<_CharT, _Traits, _Allocator>& __rhs) + _NOEXCEPT_(_NOEXCEPT_(__lhs.swap(__rhs))) { __lhs.swap(__rhs); } |