Is this Objective-C code for the body file?

Property definitions

nitc :: objc $ AExternCodeBlock :: is_objc_body
	# Is this Objective-C code for the body file?
	fun is_objc_body : Bool do return language_name != null and
		(language_name_lowered == "objc" or language_name_lowered == "objc body")
src/ffi/objc.nit:131,2--133,75