importstd;classMyException:publicstd::exception{public:MyException(std::stringmessage,std::stacktracest=std::stacktrace::current()):m_message{std::move(message)},m_stacktrace{std::move(st)}{}constchar*what()constnoexceptoverride{returnm_message.c_str();}conststd::stacktrace&trace()constnoexcept{...
std::basic_stacktrace<Allocator>::current C++ Diagnostics library std::basic_stacktrace staticbasic_stacktrace current(constallocator_type&alloc= allocator_type())noexcept; (1)(since C++23) staticbasic_stacktrace current(size_type skip,constallocator_type&alloc= ...
module; #include <stacktrace> export module my_module; export void log(std::stacktrace trace = std::stacktrace::current()) { } main.cpp import my_module; int main(int argc, char ** argv) { log(); return 0; } Compiler log --- Build All started: Project: cpp23-...
(); } }; // keep stack traces and exception code class StackTrace { std::stacktrace stack; DWORD code; public: explicit StackTrace(DWORD excCode): code(excCode), stack(std::stacktrace::current()) {} const std::stacktrace& getStack() const throw() { return st...
#include <stacktrace>#include <string>#include <iostream>intmain(){autost=std::stacktrace::current();std::cout<<"Description of an empty stacktrace entry:\n"+std::to_string(std::stacktrace_entry{})<<'\n';if(st.size()>0){std::cout<<"Description of a non-empty stacktrace entry:\n"...
stacktrace (C++23 起) stacktrace_entry (C++23 起) start_lifetime_as<>() (C++23 起) static_pointer_cast<>() (C++11 起) stod() (C++11 起) stof() (C++11 起) stoi() (C++11 起) stol() (C++11 起) stold() (C++11 起) stoll() (C++11 起) stoul() (C++11 起) stoull() (...
cause.printStackTrace(pw); cause = cause.getCause(); } pw.close(); String result = writer.toString(); sb.append(result); long timestamp = System.currentTimeMillis(); String time = format.format(new Date()); String fileName = "crash-" + time + "-" + timestamp + ".log"; ...
std::source_location类表示关于源代码的特定信息,如文件名、行号以及函数名。以前,希望获得关于调用位置的信息(用于记录、测试或调试目的)的函数必须使用宏,如__LINE__和__FILE__的等预定义宏在调用方的环境中展开。std::source_location类提供了更好的替代品。
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static inline void print_stacktrace(FILE *out = stderr, const int max_frames = 63) { fprintf(out, "Stack trace:\n"); // storage array for stack trace address data std::vector<void *> addrlist(max_frames + 1); // retrieve current stack addresses int addrlen = backtrace(addrlist.da...