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System/Library/PrivateFrameworks/Swift/libswiftCoreData.dylib System/Library/PrivateFrameworks/Swift/libswiftCoreBluetooth.dylib System/Library/PrivateFrameworks/Swift/libswiftCoreAudio.dylib System/Library/PrivateFrameworks/Swift/libswiftCore.dylib System/Library/PrivateFrameworks/Swift/libswiftContacts.dylib System/Library/PrivateFrameworks/Swift/libswiftCloudKit.dylib System/Library/PrivateFrameworks/Swift/libswiftAVFoundation.dylib System/Library/PrivateFrameworks/Swift/libswiftAssetsLibrary.dylib You will get these additional binaries from the dyld shared cache: /System/Library/PrivateFrameworks/amework/CoreKnowledge System/Library/PrivateFrameworks/amework/PlugIns/UpNext.appex/UpNext Applications/Music.app/PlugIns/RecentlyPlayedTodayExtension.appex/RecentlyPlayedTodayExtension Applications/Music.app/PlugIns/MusicMessagesApp.appex/MusicMessagesApp #WHATS THE HIGHEST VERSION OF XCODE FOR MAC OS 10.12 PLUS#Running the script on iOS 10.1 (14B72c) of an iPhone 7 Plus will give you this list of binaries: /Applications/Calculator.app/Calculator Processing these 3 folders in parallel will take around 2 hours. I recommend to only run this script on /System, /Applications and /usr. Running this script on the iOS 10.1 filesystem takes around 30 minutes.įor macOS 10.12.1, running the script on / takes dozen of hours. The script is really slow: for each regular file it will create a subshell, call otool, grep and wc. Looping through all the files of a folder is now a single line: find $ \ IsFileUsingSwift=$( isFileUsingSwift $1 ) # if this is a binary using Swift and in this case # It calls the function isFileUsingSwift() to determine # Function to process a file (passed as argument $1). The processFile bash function takes a file as parameter and will print its path if it’s a binary linked to the Swift libraries: #. Otool -L $1 2>/dev/null | grep -o swift | wc -l # It returns the number of occurrences of the string 'swift' # Function to check if a file (passed as argument $1) is using Swift Using the otool command line tool, it is easy to write a bash function that tells if a file is a binary linked to the Swift libraries: #. System/Library/PrivateFrameworks/Swift/libswiftObjectiveC.dylib (compatibility version 1.0.0, current version 800.8.18) System/Library/PrivateFrameworks/Swift/libswiftIOKit.dylib (compatibility version 1.0.0, current version 800.8.18) System/Library/PrivateFrameworks/Swift/libswiftFoundation.dylib (compatibility version 1.0.0, current version 800.8.18) System/Library/PrivateFrameworks/Swift/libswiftDispatch.dylib (compatibility version 1.0.0, current version 800.8.18) System/Library/PrivateFrameworks/Swift/libswiftDarwin.dylib (compatibility version 1.0.0, current version 800.8.18) System/Library/PrivateFrameworks/Swift/libswiftCoreImage.dylib (compatibility version 1.0.0, current version 800.8.18) System/Library/PrivateFrameworks/Swift/libswiftCoreGraphics.dylib (compatibility version 1.0.0, current version 800.8.18) System/Library/PrivateFrameworks/Swift/libswiftCoreData.dylib (compatibility version 1.0.0, current version 800.8.18) System/Library/PrivateFrameworks/Swift/libswiftCore.dylib (compatibility version 1.0.0, current version 800.8.18) You would get the following output: /System/Library/PrivateFrameworks/Swift/libswiftAppKit.dylib (compatibility version 1.0.0, current version 800.8.18) When running this command on the PIPAgent application: otool -L /System/Library/CoreServices/PIPAgent.app/Contents/MacOS/PIPAgent | grep swift L Display the names and version numbers of the shared libraries that the object file uses, as well as the shared library ID if the file is a shared library. This can easily be done with the command line tool otool using the -L option: System/Library/CoreServices/PIPAgent.app/Contents/Frameworks/ :Ī much better approach is to check whether a binary links to a Swift library. Here is the content of the Frameworks folder of the PIPAgent.app on macOS 10.12.1 Several apps in iOS and macOS link directly to these system libraries. However this is not a good approach since iOS and macOS contain a private copy of the Swift libraries in /System/Library/PrivateFrameworks/Swift/. System/Library/CoreServices/MRT.app/Contents/Frameworks/ : Here is the content of the Frameworks folder of the MRT.app on macOS 10.12.1 #WHATS THE HIGHEST VERSION OF XCODE FOR MAC OS 10.12 HOW TO#But does Apple use Swift in iOS 10.1 and macOS 10.12.1? How to detect if a binary is using Swift?Ī naïve approach would be to check if an app contains the Swift libraries in its Frameworks folder: libswiftCore.dylib, libswiftFoundation.dylib, … #WHATS THE HIGHEST VERSION OF XCODE FOR MAC OS 10.12 CODE#Most of the sample code projects from Apple are now written in Swift. Swift has been announced at the WWDC 2014, more than 2 years ago. ![]()
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