Fix deprecated ByteSourceRange

Author: kimdv

Sources/SourceKitLSP/Swift/SemanticTokens.swift

@@ -58,7 +58,10 @@ extension SwiftLanguageService {
       if let range = range.flatMap({ snapshot.byteSourceRange(of: $0) }) {
         range
       } else {
-        ByteSourceRange(offset: 0, length: await tree.totalLength.utf8Length)
+          Range<AbsolutePosition>(
+            position: AbsolutePosition(utf8Offset: 0),
+            length: SourceLength(utf8Length: await tree.totalLength.utf8Length)
+          )
       }
 
     let tokens =

Sources/SourceKitLSP/Swift/SwiftLanguageService.swift

@@ -1165,9 +1165,12 @@ extension DocumentSnapshot {
     of range: Range<Position>,
     callerFile: StaticString = #fileID,
     callerLine: UInt = #line
-  ) -> ByteSourceRange {
+  ) -> Range<AbsolutePosition> {
     let utf8OffsetRange = utf8OffsetRange(of: range, callerFile: callerFile, callerLine: callerLine)
-    return ByteSourceRange(offset: utf8OffsetRange.startIndex, length: utf8OffsetRange.count)
+    return Range<AbsolutePosition>(
+      position: AbsolutePosition(utf8Offset: utf8OffsetRange.startIndex),
+      length: SourceLength(utf8Length: utf8OffsetRange.count)
+    )
   }
 
   // MARK: Position <-> RenameLocation