Move Unpickler to runtime.quoted

It's internal only, no need to put in a public package.

Author: odersky

compiler/src/dotty/tools/dotc/core/Definitions.scala

@@ -605,8 +605,8 @@ class Definitions {
     def QuotedType_~(implicit ctx: Context) =
       QuotedTypeClass.info.member(tpnme.UNARY_~).symbol.asType
 
-  def Unpickler_unpickleExpr = ctx.requiredMethod("scala.quoted.Unpickler.unpickleExpr")
-  def Unpickler_unpickleType = ctx.requiredMethod("scala.quoted.Unpickler.unpickleType")
+  def Unpickler_unpickleExpr = ctx.requiredMethod("scala.runtime.quoted.Unpickler.unpickleExpr")
+  def Unpickler_unpickleType = ctx.requiredMethod("scala.runtime.quoted.Unpickler.unpickleType")
 
   lazy val EqType = ctx.requiredClassRef("scala.Eq")
   def EqClass(implicit ctx: Context) = EqType.symbol.asClass

library/src/scala/quoted/Unpickler.scala renamed to library/src/scala/runtime/quoted/Unpickler.scala

@@ -1,4 +1,6 @@
-package scala.quoted
+package scala.runtime.quoted
+
+import scala.quoted._
 
 /** Provides methods to unpickle `Expr` and `Type` trees. */
 object Unpickler {
@@ -11,10 +13,10 @@ object Unpickler {
   /** Unpickle `repr` which represents a pickled `Expr` tree,
    *  replacing splice nodes with `args`
    */
-  def unpickleExpr[T](repr: Pickled, args: Seq[Quoted]): Expr[T] = ???
+  def unpickleExpr[T](repr: Pickled, args: Seq[Any]): Expr[T] = ???
 
   /** Unpickle `repr` which represents a pickled `Type` tree,
    *  replacing splice nodes with `args`
    */
-  def unpickleType[T](repr: Pickled, args: Seq[Quoted]): Type[T] = ???
+  def unpickleType[T](repr: Pickled, args: Seq[Any]): Type[T] = ???
 }