What is the recommended way to deal with exceptions from C++?
I don't really need to trap them, but I'd at least like to see them. I compiled the C++ lib with -g and I am using the cpp backend with importcpp` wrappers. With ``lldb, I see the line of C++ which throws the exception:
(lldb) bt
* thread #1, queue = 'com.apple.main-thread', stop reason = EXC_BAD_ACCESS (code=1, address=0x18)
frame #0: 0x0000000100010437 foo.exe`colonanonymous__wRTldVNfvmb9aFVVqjJYXRw() + 199
frame #1: 0x00007fff6b4d3dfe libc++abi.dylib`std::__terminate(void (*)()) + 8
frame #2: 0x00007fff6b4d3be2 libc++abi.dylib`__cxxabiv1::failed_throw(__cxxabiv1::__cxa_exception*) + 27
frame #3: 0x00007fff6b4c6bb9 libc++abi.dylib`__cxa_throw + 113
* frame #4: 0x0000000100124b89 libpbbam.0.22.0.dylib`PacBio::BAM::BamFile::BamFilePrivate::RawOpen(this=0x0000000100f02f60) const at BamFile.cpp:93
frame #5: 0x0000000100123bf7 libpbbam.0.22.0.dylib`PacBio::BAM::BamFile::BamFilePrivate::BamFilePrivate(this=0x0000000100f02f60, fn="") at BamFile.cpp:38
...
(lldb) up
frame #4: 0x0000000100124b89 libpbbam.0.22.0.dylib`PacBio::BAM::BamFile::BamFilePrivate::RawOpen(this=0x0000000100f02f60) const at BamFile.cpp:93
92 if (f->format.format != bam)
-> 93 throw std::runtime_error{"BamFile: expected BAM, encountered un supported format: " +
94 filename_};
(lldb) p filename_
(std::__1::string) $0 = "foo"
$ ./foo.exe
bam:foo
hi
then:foo
now:foo
Traceback (most recent call last)
foo.nim(55) foo
foo.nim(49) main
system.nim(4341) :anonymous
SIGSEGV: Illegal storage access. (Attempt to read from nil?)
https://github.com/bio-nim/pbbam/blob/f5a659e9fbed4b675f4458734fdfc9fe8162b2ac/nim/foo.nim
Use this syntax
except ImportedExeception as ex