æ ‡å‡†åº“æ ‡å¤´ <stacktrace>

 

C++

语言

标准库

标准库头文件

自立与有宿主

具名要求

语言支持库

概念库 (C++20)

诊断库

工具库

字符串库

容器库

迭代器库

范围库 (C++20)

算法库

数值库

本地化库

输入/输出库

文件系统库 (C++17)

正则表达式库 (C++11)

并发支持库 (C++11)

技术规范

符号索引

外部库

 

标准库头文件

语言支持
<cstddef> <cstdlib> <version> <limits> <climits>	<cfloat> <cstdint> <new> <typeinfo>	<source_location> <exception> <initializer_list>     <compare>	<coroutine> <csignal> <csetjmp> <cstdarg>
概念
<concepts>
诊断
<stdexcept>	<cassert>	<cerrno>	<system_error>
通用工具
<utility> <memory> <memory_resource> <scoped_allocator>	<bitset> <tuple> <optional> <any>	<variant> <type_traits> <ratio> <chrono>	<typeindex> <functional> <stacktrace> <ctime>
字符串
<string> <string_view> <cstring>	<charconv> <format>	<cctype> <cwctype>	<cwchar> <cuchar>
本地化
<locale>	<codecvt>	<clocale>
容器
<span> <array> <vector>	<deque> <forward_list> <list>	<map> <set> <queue>	<unordered_map> <unordered_set> <stack>
迭代器
<iterator>
范围
<ranges>
算法
<algorithm>	<execution>
数值
<complex> <random>	<valarray> <numeric>	<bit> <numbers>	<cfenv> <cmath>
输入/输出
<iosfwd> <ios> <iomanip> <streambuf>	<istream> <ostream> <iostream>	<sstream> <spanstream> <fstream> <syncstream>	<cstdio> <cinttypes> <strstream>
正则表达式
<regex>
文件系统
<filesystem>
线程支持
<thread> <atomic> <mutex>	<shared_mutex> <condition_variable>     <future>	<stop_token> <semaphore>	<latch> <barrier>
C 兼容
<ciso646> <cstdalign>	<cstdbool> <ccomplex>	<ctgmath> <stdatomic.h>

 

此头文件是通用工具库的一部分。

ç±»
stacktrace_entry (C++23)	栈踪中求值的表示 (类)
basic_stacktrace (C++23)	由栈踪条目组成的调用序列的近似表示 (类模板)
std::hash<std::stacktrace_entry> (C++23)	std::stacktrace_entry 的散列支持 (类模板特化)
std::hash<std::basic_stacktrace> (C++23)	std::basic_stacktrace 的散列支持 (类模板特化)
前置声明
定义于头文件 <functional>
hash (C++11)	散列函数对象 (类模板)
函数
std::swap(std::basic_stacktrace) (C++23)	特化 std::swap 算法 (函数模板)
to_string (C++23)	返回拥有 stacktrace_entry 的描述的字符串 (函数)
to_string (C++23)	返回拥有 basic_stacktrace 的描述的字符串 (函数模板)
operator<< (C++23)	进行 stacktrace_entry 的流输出 (函数模板)
operator<< (C++23)	进行 basic_stracktrace 的流输出 (函数模板)

概要

namespace std {
  // ç±» stacktrace_entry
  class stacktrace_entry;
 
  // 类模板 basic_stacktrace
  template<class Allocator>
    class basic_stacktrace;
 
  // basic_stacktrace typedef 名
  using stacktrace = basic_stacktrace<allocator<stacktrace_entry>>;
 
  // 非成员函数
  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);
 
  template<class CharT, class traits>
    basic_ostream<CharT, traits>&
      operator<<(basic_ostream<CharT, traits>& os, const stacktrace_entry& f);
 
  template<class CharT, class Traits, class Allocator>
    basic_ostream<CharT, traits>&
      operator<<(basic_ostream<CharT, Traits>& os, const basic_stacktrace<Allocator>& st);
 
  namespace pmr {
    using stacktrace = std::basic_stacktrace<polymorphic_allocator<stacktrace_entry>>;
  }
 
  // 散列支持
  template<class T> struct hash;
  template<> struct hash<stacktrace_entry>;
  template<class Allocator> struct hash<basic_stacktrace<Allocator>>;
}

ç±» std::stacktrace_entry

namespace std {
  class stacktrace_entry {
  public:
    using native_handle_type = /* 由实现定义 */;
 
    // 构造函数
    constexpr stacktrace_entry() noexcept;
    constexpr stacktrace_entry(const stacktrace_entry& other) noexcept;
    constexpr stacktrace_entry& operator=(const stacktrace_entry& other) noexcept;
 
    ~stacktrace_entry();
 
    // 观察器
    constexpr native_handle_type native_handle() const noexcept;
    constexpr explicit operator bool() const noexcept;
 
    // 查询
    string description() const;
    string source_file() const;
    uint_least32_t source_line() const;
 
    // 比较
    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;
  };
}

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 = /* 由实现定义 */;
    using iterator = const_iterator;
    using reverse_iterator = std::reverse_iterator<iterator>;
    using const_reverse_iterator = std::reverse_iterator<const_iterator>;
    using difference_type = /* 由实现定义 */;
    using size_type = /* 由实现定义 */;
    using allocator_type = Allocator;
 
    // 创建与赋值
    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();
 
    // 观察器
    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;
 
    [[nodiscard]] 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;
 
    // 比较
    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;
 
    // 修改器
    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_;         // 仅用于阐释
  };
}