Is it possible that Apple’s own xcode tools just don’t show you the string, but
it’s there anyway? that seems pretty bogus…
> On Jun 23, 2017, at 9:40 PM, Jon Shier via swift-users
> <swift-users@swift.org> wrote:
>
> Crashlytics can pick up these strings just fine. I thought they were part of
> the full crash dump.
>
>> On Jun 24, 2017, at 12:13 AM, David Baraff via swift-users
>> <swift-users@swift.org> wrote:
>>
>> I realize this is slightly centric to iOS, but it irks me that both Apple’s
>> crash report logs and popular platforms like PLCrashReporter can do the hard
>> stuff like give you a stack trace, but are *completely* unable to display
>> the error message from terminating a program via fatalError(), or the error
>> message from, e.g. dying with a bad optional.
>>
>> Is there *any* to intercept the error messages that from fatalError() and
>> similar like things in swift (bad optionals, invalid array accesses,
>> assertions)? I would think that some sort of a “hook” into these standard
>> error routines would be a good thing.
>>
>> In my case, if I could simply save that darn error string in a file, i could
>> pick it up when the app next launches and report it along with the rest of
>> the info like the stack/signal, etc.
>>
>> I’ve been looking through the code in stdlib/public/runtime/Errors.cpp but
>> haven’t found anything promising that lets me jump in there. In my code,
>> I’m likely to write things like
>> guard let x = … else {
>> fatalError(“Data type has payload <T> but is hooked to UI control with
>> intrinsic type <U>”)
>> }
>>
>> and having that exact string tells me precisely what’s going, far simpler
>> than a stack trace.
>>
>>
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