We are making use of Swift 5.7 (Swift.org - Swift 5.7 Released!) and the “New shorthand syntax for common boilerplate code, including if let statements and multi-statement closure type annotations”.
As seen on Swift | SonarCloud Docs, SonarCloud only supports Swift 3 up to Swift 5.6 at the moment.
At the moment, we are getting “ERROR: String is not parsed” errors in the SonarCloud Analysis when making use of new unwrapping syntax in Swift 5.7.
Is there a ETA when Swift 5.7 will be supported?
Hi Ashok, we have started the work to support the new Swift 5.7 features, including the if-let shorthand syntax.
If everything goes well, by the end of October, SonarCloud should thus support this new syntax.
Thanks and Regards
Francois Mora
Any news on this as it’s now November? 
The warnings we get from this are quite annoying for valid Swift syntax. 
Hey there.
Swift 5.7 should now be supported – can you give more details about the warnings you’re getting?
Ironically I haven’t seen anymore false positives in this area since I posted, so hopefully it’s fixed now and not that we haven’t hit this again since. 
Thanks for the response though
Hi guys,
going forward will it stop working always when a new Swift syntax is introduced? It shouldn’t be a problem if the “problematic” part is skipped but we experienced a different behavior; the tool failed to complete the analysis and always exited with an error.
Thank you for the clarification.
Best regards,
Jan
Hi @janc, thank you for your feedback, and welcome to the Sonar community!
As you probably guessed, the Swift analyzer has a parser that follows the versions of Swift. And after the announcement of a new version, we need to implement the new language constructs.
Unfortunately, the parser can’t recover from a parsing error. So, a file using features introduced after the latest version of Swift supported in SonarCloud may generate errors, and the analysis will then stop for that file.
Hope this helps,
François