1 files changed, 0 insertions, 67 deletions
diff --git a/src/dotty/tools/dotc/core/pickling/PositionReader.scala b/src/dotty/tools/dotc/core/pickling/PositionReader.scala
deleted file mode 100644
index 5e35fa397..000000000
--- a/src/dotty/tools/dotc/core/pickling/PositionReader.scala
+++ /dev/null
@@ -1,67 +0,0 @@
-package dotty.tools
-package dotc
-package core
-package pickling
-
-import java.io.IOException
-
-import Contexts._
-import ast.tpd
-import ast.Trees.{Lazy,WithLazyField}
-import TastyBuffer._
-import Traversals._
-import util.Positions._
-
-/** Unpickler for start or end offset of tree positions */
-class PositionReader(reader: TastyReader, startOffset: Int, initNextOffset: Int, initNextAddr: Int) {
-  import reader._
-  import tpd._
-      
-  def this(reader: TastyReader) = {
-    this(reader, 0, 0, 0)
-    next()
-  }
-  
-  var lastOffset: Int = startOffset
-  var nextOffset = initNextOffset
-  var nextAddr = initNextAddr
-  
-  private def fork = 
-    new PositionReader(subReader(currentAddr, endAddr), lastOffset, nextOffset, nextAddr)
-  
-  private def next() = {
-    lastOffset = nextOffset
-    if (!isAtEnd) {
-      nextOffset += readInt()
-      nextAddr += readInt()
-    }
-  }  
-
-  def readStart(tree: Tree) = 
-    if (tree.pos.exists) { // TODO assign positions of tree nodes with NoPosition afterwards based on the context.
-      val addr = tree.pos.end
-      if (addr == nextAddr) next()
-      tree.setPosUnchecked(tree.pos.withStart(lastOffset))
-    }
-  
-  def readEnd(tree: Tree) = {
-    if (tree.pos.exists) {
-      val addr = tree.pos.end
-      tree match {
-        case tree: WithLazyField[_] =>
-          tree.unforced match {
-            case rdr: TreeUnpickler#LazyReader[_] =>
-              //rdr.posReader = Some(fork)
-              while (addr != nextAddr) next()
-            case _ =>
-          }
-        case _ =>
-      }
-      if (addr == nextAddr) next()
-      tree.setPosUnchecked(tree.pos.withEnd(lastOffset))
-    }
-  }
-  
-  def unpickle(x: Any) =
-    traverse(x, readStart, readEnd)
-}
-\ No newline at end of file