diff options
| -rw-r--r-- | src/library/scala/collection/immutable/List.scala | 63 | ||||
| -rw-r--r-- | test/files/jvm/t6941/Analyzed_1.scala | 2 |
2 files changed, 32 insertions, 33 deletions
diff --git a/src/library/scala/collection/immutable/List.scala b/src/library/scala/collection/immutable/List.scala index 90aabc5a9a..c3728fa02a 100644 --- a/src/library/scala/collection/immutable/List.scala +++ b/src/library/scala/collection/immutable/List.scala @@ -325,36 +325,7 @@ sealed abstract class List[+A] extends AbstractSeq[A] // Create a proxy for Java serialization that allows us to avoid mutation // during de-serialization. This is the Serialization Proxy Pattern. - protected final def writeReplace(): AnyRef = new SerializationProxy(this) -} - -@SerialVersionUID(1L) -private class SerializationProxy[B](@transient private var orig: List[B]) extends Serializable { - - private def writeObject(out: ObjectOutputStream) { - var xs: List[B] = orig - while (!xs.isEmpty) { - out.writeObject(xs.head) - xs = xs.tail - } - out.writeObject(ListSerializeEnd) - } - - // Java serialization calls this before readResolve during de-serialization. - // Read the whole list and store it in `orig`. - private def readObject(in: ObjectInputStream) { - val builder = List.newBuilder[B] - while (true) in.readObject match { - case ListSerializeEnd => - orig = builder.result() - return - case a => - builder += a.asInstanceOf[B] - } - } - - // Provide the result stored in `orig` for Java serialization - private def readResolve(): AnyRef = orig + protected final def writeReplace(): AnyRef = new List.SerializationProxy(this) } /** The empty list. @@ -385,8 +356,7 @@ case object Nil extends List[Nothing] { * @version 1.0, 15/07/2003 * @since 2.8 */ -final case class ::[B](private val hd: B, private[scala] var tl: List[B]) extends List[B] { - override def head : B = hd +final case class ::[B](override val head: B, private[scala] var tl: List[B]) extends List[B] { override def tail : List[B] = tl override def isEmpty: Boolean = false } @@ -405,6 +375,35 @@ object List extends SeqFactory[List] { override def empty[A]: List[A] = Nil override def apply[A](xs: A*): List[A] = xs.toList + + @SerialVersionUID(1L) + private class SerializationProxy[A](@transient private var orig: List[A]) extends Serializable { + + private def writeObject(out: ObjectOutputStream) { + var xs: List[A] = orig + while (!xs.isEmpty) { + out.writeObject(xs.head) + xs = xs.tail + } + out.writeObject(ListSerializeEnd) + } + + // Java serialization calls this before readResolve during de-serialization. + // Read the whole list and store it in `orig`. + private def readObject(in: ObjectInputStream) { + val builder = List.newBuilder[A] + while (true) in.readObject match { + case ListSerializeEnd => + orig = builder.result() + return + case a => + builder += a.asInstanceOf[A] + } + } + + // Provide the result stored in `orig` for Java serialization + private def readResolve(): AnyRef = orig + } } /** Only used for list serialization */ diff --git a/test/files/jvm/t6941/Analyzed_1.scala b/test/files/jvm/t6941/Analyzed_1.scala index 549abd5e64..b6951f71ee 100644 --- a/test/files/jvm/t6941/Analyzed_1.scala +++ b/test/files/jvm/t6941/Analyzed_1.scala @@ -6,6 +6,6 @@ class SameBytecode { } def b(xs: List[Int]) = xs match { - case xs: ::[Int] => xs.hd$1 + case xs: ::[Int] => xs.head } }
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