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Add a function to find out the type of an unknown exception.

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Only works with gcc and clang for now - someone on Windows can experiment with how to get this working with MSVC.
This commit is contained in:
Pentarctagon 2022-08-03 09:36:53 -05:00 committed by Pentarctagon
parent 19784009f0
commit 1c0a41100b
1 changed files with 32 additions and 0 deletions
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32
src/utils/general.hpp
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@ -17,6 +17,11 @@
#include <algorithm>
#include <cctype>
#include <functional>
#include <string>
#if defined(__clang__) || defined(__GNUG__)
#include <cxxabi.h>
#endif
namespace utils
{
@ -85,4 +90,31 @@ inline bool contains(const Container& container, const Value& value)
return detail::contains_impl<Container, Value>::eval(container, value);
}
/**
* For the GCC/clang compilers, return the unmangled name of an unknown exception that was caught.
* Meaning something caught with `catch(...)`.
*
* @return std::string
*/
inline std::string get_unknown_exception_type()
{
#if defined(__clang__) || defined(__GNUG__)
std::string to_demangle = __cxxabiv1::__cxa_current_exception_type()->name();
int status = 0;
char* buff = __cxxabiv1::__cxa_demangle(to_demangle.c_str(), NULL, NULL, &status);
if(status == 0)
{
std::string demangled = buff;
std::free(buff);
return demangled;
}
else
{
return to_demangle;
}
#else
return "";
#endif
}
} // namespace utils