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Diffstat (limited to 'libcxx/include/valarray')
-rw-r--r--libcxx/include/valarray152
1 files changed, 45 insertions, 107 deletions
diff --git a/libcxx/include/valarray b/libcxx/include/valarray
index 96501ca..215811d 100644
--- a/libcxx/include/valarray
+++ b/libcxx/include/valarray
@@ -362,6 +362,7 @@ template <class T> unspecified2 end(const valarray<T>& v);
# include <__memory/uninitialized_algorithms.h>
# include <__type_traits/decay.h>
# include <__type_traits/remove_reference.h>
+# include <__utility/exception_guard.h>
# include <__utility/move.h>
# include <__utility/swap.h>
# include <cmath>
@@ -1992,17 +1993,10 @@ template <class _Tp>
inline valarray<_Tp>::valarray(size_t __n) : __begin_(nullptr), __end_(nullptr) {
if (__n) {
__begin_ = __end_ = allocator<value_type>().allocate(__n);
-# if _LIBCPP_HAS_EXCEPTIONS
- try {
-# endif // _LIBCPP_HAS_EXCEPTIONS
- for (size_t __n_left = __n; __n_left; --__n_left, ++__end_)
- ::new ((void*)__end_) value_type();
-# if _LIBCPP_HAS_EXCEPTIONS
- } catch (...) {
- __clear(__n);
- throw;
- }
-# endif // _LIBCPP_HAS_EXCEPTIONS
+ auto __guard = std::__make_exception_guard([&] { __clear(__n); });
+ for (size_t __n_left = __n; __n_left; --__n_left, ++__end_)
+ ::new ((void*)__end_) value_type();
+ __guard.__complete();
}
}
@@ -2015,17 +2009,10 @@ template <class _Tp>
valarray<_Tp>::valarray(const value_type* __p, size_t __n) : __begin_(nullptr), __end_(nullptr) {
if (__n) {
__begin_ = __end_ = allocator<value_type>().allocate(__n);
-# if _LIBCPP_HAS_EXCEPTIONS
- try {
-# endif // _LIBCPP_HAS_EXCEPTIONS
- for (size_t __n_left = __n; __n_left; ++__end_, ++__p, --__n_left)
- ::new ((void*)__end_) value_type(*__p);
-# if _LIBCPP_HAS_EXCEPTIONS
- } catch (...) {
- __clear(__n);
- throw;
- }
-# endif // _LIBCPP_HAS_EXCEPTIONS
+ auto __guard = std::__make_exception_guard([&] { __clear(__n); });
+ for (size_t __n_left = __n; __n_left; ++__end_, ++__p, --__n_left)
+ ::new ((void*)__end_) value_type(*__p);
+ __guard.__complete();
}
}
@@ -2033,17 +2020,10 @@ template <class _Tp>
valarray<_Tp>::valarray(const valarray& __v) : __begin_(nullptr), __end_(nullptr) {
if (__v.size()) {
__begin_ = __end_ = allocator<value_type>().allocate(__v.size());
-# if _LIBCPP_HAS_EXCEPTIONS
- try {
-# endif // _LIBCPP_HAS_EXCEPTIONS
- for (value_type* __p = __v.__begin_; __p != __v.__end_; ++__end_, ++__p)
- ::new ((void*)__end_) value_type(*__p);
-# if _LIBCPP_HAS_EXCEPTIONS
- } catch (...) {
- __clear(__v.size());
- throw;
- }
-# endif // _LIBCPP_HAS_EXCEPTIONS
+ auto __guard = std::__make_exception_guard([&] { __clear(__v.size()); });
+ for (value_type* __p = __v.__begin_; __p != __v.__end_; ++__end_, ++__p)
+ ::new ((void*)__end_) value_type(*__p);
+ __guard.__complete();
}
}
@@ -2059,18 +2039,11 @@ valarray<_Tp>::valarray(initializer_list<value_type> __il) : __begin_(nullptr),
const size_t __n = __il.size();
if (__n) {
__begin_ = __end_ = allocator<value_type>().allocate(__n);
-# if _LIBCPP_HAS_EXCEPTIONS
- try {
-# endif // _LIBCPP_HAS_EXCEPTIONS
- size_t __n_left = __n;
- for (const value_type* __p = __il.begin(); __n_left; ++__end_, ++__p, --__n_left)
- ::new ((void*)__end_) value_type(*__p);
-# if _LIBCPP_HAS_EXCEPTIONS
- } catch (...) {
- __clear(__n);
- throw;
- }
-# endif // _LIBCPP_HAS_EXCEPTIONS
+ auto __guard = std::__make_exception_guard([&] { __clear(__n); });
+ size_t __n_left = __n;
+ for (const value_type* __p = __il.begin(); __n_left; ++__end_, ++__p, --__n_left)
+ ::new ((void*)__end_) value_type(*__p);
+ __guard.__complete();
}
}
@@ -2081,18 +2054,11 @@ valarray<_Tp>::valarray(const slice_array<value_type>& __sa) : __begin_(nullptr)
const size_t __n = __sa.__size_;
if (__n) {
__begin_ = __end_ = allocator<value_type>().allocate(__n);
-# if _LIBCPP_HAS_EXCEPTIONS
- try {
-# endif // _LIBCPP_HAS_EXCEPTIONS
- size_t __n_left = __n;
- for (const value_type* __p = __sa.__vp_; __n_left; ++__end_, __p += __sa.__stride_, --__n_left)
- ::new ((void*)__end_) value_type(*__p);
-# if _LIBCPP_HAS_EXCEPTIONS
- } catch (...) {
- __clear(__n);
- throw;
- }
-# endif // _LIBCPP_HAS_EXCEPTIONS
+ auto __guard = std::__make_exception_guard([&] { __clear(__n); });
+ size_t __n_left = __n;
+ for (const value_type* __p = __sa.__vp_; __n_left; ++__end_, __p += __sa.__stride_, --__n_left)
+ ::new ((void*)__end_) value_type(*__p);
+ __guard.__complete();
}
}
@@ -2101,19 +2067,12 @@ valarray<_Tp>::valarray(const gslice_array<value_type>& __ga) : __begin_(nullptr
const size_t __n = __ga.__1d_.size();
if (__n) {
__begin_ = __end_ = allocator<value_type>().allocate(__n);
-# if _LIBCPP_HAS_EXCEPTIONS
- try {
-# endif // _LIBCPP_HAS_EXCEPTIONS
- typedef const size_t* _Ip;
- const value_type* __s = __ga.__vp_;
- for (_Ip __i = __ga.__1d_.__begin_, __e = __ga.__1d_.__end_; __i != __e; ++__i, ++__end_)
- ::new ((void*)__end_) value_type(__s[*__i]);
-# if _LIBCPP_HAS_EXCEPTIONS
- } catch (...) {
- __clear(__n);
- throw;
- }
-# endif // _LIBCPP_HAS_EXCEPTIONS
+ auto __guard = std::__make_exception_guard([&] { __clear(__n); });
+ typedef const size_t* _Ip;
+ const value_type* __s = __ga.__vp_;
+ for (_Ip __i = __ga.__1d_.__begin_, __e = __ga.__1d_.__end_; __i != __e; ++__i, ++__end_)
+ ::new ((void*)__end_) value_type(__s[*__i]);
+ __guard.__complete();
}
}
@@ -2122,19 +2081,12 @@ valarray<_Tp>::valarray(const mask_array<value_type>& __ma) : __begin_(nullptr),
const size_t __n = __ma.__1d_.size();
if (__n) {
__begin_ = __end_ = allocator<value_type>().allocate(__n);
-# if _LIBCPP_HAS_EXCEPTIONS
- try {
-# endif // _LIBCPP_HAS_EXCEPTIONS
- typedef const size_t* _Ip;
- const value_type* __s = __ma.__vp_;
- for (_Ip __i = __ma.__1d_.__begin_, __e = __ma.__1d_.__end_; __i != __e; ++__i, ++__end_)
- ::new ((void*)__end_) value_type(__s[*__i]);
-# if _LIBCPP_HAS_EXCEPTIONS
- } catch (...) {
- __clear(__n);
- throw;
- }
-# endif // _LIBCPP_HAS_EXCEPTIONS
+ auto __guard = std::__make_exception_guard([&] { __clear(__n); });
+ typedef const size_t* _Ip;
+ const value_type* __s = __ma.__vp_;
+ for (_Ip __i = __ma.__1d_.__begin_, __e = __ma.__1d_.__end_; __i != __e; ++__i, ++__end_)
+ ::new ((void*)__end_) value_type(__s[*__i]);
+ __guard.__complete();
}
}
@@ -2143,19 +2095,12 @@ valarray<_Tp>::valarray(const indirect_array<value_type>& __ia) : __begin_(nullp
const size_t __n = __ia.__1d_.size();
if (__n) {
__begin_ = __end_ = allocator<value_type>().allocate(__n);
-# if _LIBCPP_HAS_EXCEPTIONS
- try {
-# endif // _LIBCPP_HAS_EXCEPTIONS
- typedef const size_t* _Ip;
- const value_type* __s = __ia.__vp_;
- for (_Ip __i = __ia.__1d_.__begin_, __e = __ia.__1d_.__end_; __i != __e; ++__i, ++__end_)
- ::new ((void*)__end_) value_type(__s[*__i]);
-# if _LIBCPP_HAS_EXCEPTIONS
- } catch (...) {
- __clear(__n);
- throw;
- }
-# endif // _LIBCPP_HAS_EXCEPTIONS
+ auto __guard = std::__make_exception_guard([&] { __clear(__n); });
+ typedef const size_t* _Ip;
+ const value_type* __s = __ia.__vp_;
+ for (_Ip __i = __ia.__1d_.__begin_, __e = __ia.__1d_.__end_; __i != __e; ++__i, ++__end_)
+ ::new ((void*)__end_) value_type(__s[*__i]);
+ __guard.__complete();
}
}
@@ -2644,17 +2589,10 @@ void valarray<_Tp>::resize(size_t __n, value_type __x) {
__clear(size());
if (__n) {
__begin_ = __end_ = allocator<value_type>().allocate(__n);
-# if _LIBCPP_HAS_EXCEPTIONS
- try {
-# endif // _LIBCPP_HAS_EXCEPTIONS
- for (size_t __n_left = __n; __n_left; --__n_left, ++__end_)
- ::new ((void*)__end_) value_type(__x);
-# if _LIBCPP_HAS_EXCEPTIONS
- } catch (...) {
- __clear(__n);
- throw;
- }
-# endif // _LIBCPP_HAS_EXCEPTIONS
+ auto __guard = std::__make_exception_guard([&] { __clear(__n); });
+ for (size_t __n_left = __n; __n_left; --__n_left, ++__end_)
+ ::new ((void*)__end_) value_type(__x);
+ __guard.__complete();
}
}
generated by cgit v1.1 at 2025-10-09 23:20:23 +0000