标准库头文件 <stacktrace> (C++23)
来自 cppreference.com
此头文件是 诊断 库的一部分。
类 | ||
(C++23) |
stacktrace 中评估的表示 (类) | |
(C++23) |
由 stacktrace 条目组成的调用序列的近似表示 (类模板) | |
对 std::stacktrace_entry 的哈希支持 (类模板特化) | ||
对 std::basic_stacktrace 的哈希支持 (类模板特化) | ||
前向声明 | ||
定义在头文件
<functional> 中 | ||
(C++11) |
哈希函数对象 (类模板) |
类型别名 | |
别名 | 类型 |
std::stacktrace
|
std::basic_stacktrace<std::allocator<std::stacktrace_entry>> |
std::pmr::stacktrace
|
std::pmr::basic_stacktrace< std::pmr::polymorphic_allocator<std::stacktrace_entry>> |
函数 | |
特化了 std::swap 算法 (函数模板) | |
(C++23) |
返回一个包含 stacktrace_entry 描述的字符串(函数) |
(C++23) |
返回一个包含 basic_stacktrace 描述的字符串(函数模板) |
(C++23) |
执行 stacktrace_entry 的流输出(函数模板) |
(C++23) |
执行 basic_stracktrace 的流输出(函数模板) |
[编辑] 概要
namespace std { // class stacktrace_entry class stacktrace_entry; // class template basic_stacktrace template<class Allocator> class basic_stacktrace; // basic_stacktrace typedef names using stacktrace = basic_stacktrace<allocator<stacktrace_entry>>; // non-member functions template<class Allocator> void swap(basic_stacktrace<Allocator>& a, basic_stacktrace<Allocator>& b) noexcept(noexcept(a.swap(b))); string to_string(const stacktrace_entry& f); template<class Allocator> string to_string(const basic_stacktrace<Allocator>& st); ostream& operator<<(ostream& os, const stacktrace_entry& f); template<class Allocator> ostream& operator<<(ostream& os, const basic_stacktrace<Allocator>& st); namespace pmr { using stacktrace = std::basic_stacktrace<polymorphic_allocator<stacktrace_entry>>; } // hash support template<class T> struct hash; template<> struct hash<stacktrace_entry>; template<class Allocator> struct hash<basic_stacktrace<Allocator>>; }
[编辑] 类 std::stacktrace_entry
namespace std { class stacktrace_entry { public: using native_handle_type = /* implementation-defined */; // constructors constexpr stacktrace_entry() noexcept; constexpr stacktrace_entry(const stacktrace_entry& other) noexcept; constexpr stacktrace_entry& operator=(const stacktrace_entry& other) noexcept; ~stacktrace_entry(); // observers constexpr native_handle_type native_handle() const noexcept; constexpr explicit operator bool() const noexcept; // query string description() const; string source_file() const; uint_least32_t source_line() const; // comparison friend constexpr bool operator==(const stacktrace_entry& x, const stacktrace_entry& y) noexcept; friend constexpr strong_ordering operator<=>(const stacktrace_entry& x, const stacktrace_entry& y) noexcept; }; }
[编辑] 类模板 std::basic_stacktrace
namespace std { template<class Allocator> class basic_stacktrace { public: using value_type = stacktrace_entry; using const_reference = const value_type&; using reference = value_type&; using const_iterator = /* implementation-defined */; using iterator = const_iterator; using reverse_iterator = std::reverse_iterator<iterator>; using const_reverse_iterator = std::reverse_iterator<const_iterator>; using difference_type = /* implementation-defined */; using size_type = /* implementation-defined */; using allocator_type = Allocator; // creation and assignment static basic_stacktrace current(const allocator_type& alloc = allocator_type()) noexcept; static basic_stacktrace current(size_type skip, const allocator_type& alloc = allocator_type()) noexcept; static basic_stacktrace current(size_type skip, size_type max_depth, const allocator_type& alloc = allocator_type()) noexcept; basic_stacktrace() noexcept(is_nothrow_default_constructible_v<allocator_type>); explicit basic_stacktrace(const allocator_type& alloc) noexcept; basic_stacktrace(const basic_stacktrace& other); basic_stacktrace(basic_stacktrace&& other) noexcept; basic_stacktrace(const basic_stacktrace& other, const allocator_type& alloc); basic_stacktrace(basic_stacktrace&& other, const allocator_type& alloc); basic_stacktrace& operator=(const basic_stacktrace& other); basic_stacktrace& operator=(basic_stacktrace&& other) noexcept( allocator_traits<Allocator>::propagate_on_container_move_assignment::value || allocator_traits<Allocator>::is_always_equal::value); ~basic_stacktrace(); // observers allocator_type get_allocator() const noexcept; const_iterator begin() const noexcept; const_iterator end() const noexcept; const_reverse_iterator rbegin() const noexcept; const_reverse_iterator rend() const noexcept; const_iterator cbegin() const noexcept; const_iterator cend() const noexcept; const_reverse_iterator crbegin() const noexcept; const_reverse_iterator crend() const noexcept; bool empty() const noexcept; size_type size() const noexcept; size_type max_size() const noexcept; const_reference operator[](size_type) const; const_reference at(size_type) const; // comparisons template<class Allocator2> friend bool operator==(const basic_stacktrace& x, const basic_stacktrace<Allocator2>& y) noexcept; template<class Allocator2> friend strong_ordering operator<=>(const basic_stacktrace& x, const basic_stacktrace<Allocator2>& y) noexcept; // modifiers void swap(basic_stacktrace& other) noexcept(allocator_traits<Allocator>::propagate_on_container_swap::value || allocator_traits<Allocator>::is_always_equal::value); private: vector<value_type, allocator_type> frames_; // exposition only }; }