如何在 VS2017 中使用 C++ 获取异常跟踪堆栈

Question

When running into an exception, there is only a break point on the line that throws the exception, since it's a very wildly used method in the library, I want to know the exact call stack of the breaking exception, could do that very easily with other languages like Java/Python etc...

How to do that with VS2017 C++ ? Or is there a way to do that?

Answer 1

While not a direct answer to your question, I want to note that you can get nice backtraces in a cross-platform way, using only standard C++11 and without the need for a debugger or cumbersome logging:

Use std::nested_exception and std::throw_with_nested

It is described on StackOverflow here and here , how you can get a backtrace on your exceptions inside your code by simply writing a proper exception handler which will rethrow nested exceptions. It will, however, require that you insert try/catch statements at the functions you wish to trace.

Since you can do this with any derived exception class, you can add a lot of information to such a backtrace! You may also take a look at my MWE on GitHub or my "trace" library , where a backtrace would look something like this:

Library API: Exception caught in function 'api_function'
Backtrace:
~/Git/mwe-cpp-exception/src/detail/Library.cpp:17 : library_function failed
~/Git/mwe-cpp-exception/src/detail/Library.cpp:13 : could not open file "nonexistent.txt"