Prevent dotty to remove unused private fields. Ref: lampepfl/dotty 8579

ohze · Jul 11, 2020 · 26394d4 · 26394d4
1 parent c0f5e32
commit 26394d4
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diff --git a/akka-actor/src/main/scala/akka/actor/RepointableActorRef.scala b/akka-actor/src/main/scala/akka/actor/RepointableActorRef.scala
@@ -51,6 +51,10 @@ private[akka] class RepointableActorRef(
    */
   @silent @volatile private var _cellDoNotCallMeDirectly: Cell = _
   @silent @volatile private var _lookupDoNotCallMeDirectly: Cell = _
+  @silent private def _dotty_pls_dont_remove_my_unused_private = {
+    _cellDoNotCallMeDirectly
+    _lookupDoNotCallMeDirectly
+  }
 
   def underlying: Cell = Unsafe.instance.getObjectVolatile(this, cellOffset).asInstanceOf[Cell]
   def lookup = Unsafe.instance.getObjectVolatile(this, lookupOffset).asInstanceOf[Cell]

diff --git a/akka-actor/src/main/scala/akka/actor/dungeon/Children.scala b/akka-actor/src/main/scala/akka/actor/dungeon/Children.scala
@@ -105,6 +105,12 @@ private[akka] trait Children { this: ActorCell =>
   }
 
   @silent @volatile private var _nextNameDoNotCallMeDirectly = 0L
+  @silent private def _dotty_pls_dont_remove_my_unused_private = {
+    _childrenRefsDoNotCallMeDirectly
+    _functionRefsDoNotCallMeDirectly
+    _nextNameDoNotCallMeDirectly
+  }
+
   final protected def randomName(sb: java.lang.StringBuilder): String = {
     val num = Unsafe.instance.getAndAddLong(this, AbstractActorCell.nextNameOffset, 1)
     Helpers.base64(num, sb)

diff --git a/akka-actor/src/main/scala/akka/actor/dungeon/Dispatch.scala b/akka-actor/src/main/scala/akka/actor/dungeon/Dispatch.scala
@@ -39,6 +39,8 @@ private[akka] trait Dispatch { this: ActorCell =>
   @silent @volatile private var _mailboxDoNotCallMeDirectly
       : Mailbox = _ //This must be volatile since it isn't protected by the mailbox status
 
+  @silent private def _dotty_pls_dont_remove_my_unused_private = _mailboxDoNotCallMeDirectly
+
   @inline final def mailbox: Mailbox =
     Unsafe.instance.getObjectVolatile(this, AbstractActorCell.mailboxOffset).asInstanceOf[Mailbox]
 

diff --git a/akka-actor/src/main/scala/akka/dispatch/AbstractDispatcher.scala b/akka-actor/src/main/scala/akka/dispatch/AbstractDispatcher.scala
@@ -106,6 +106,10 @@ abstract class MessageDispatcher(val configurator: MessageDispatcherConfigurator
 
   @silent @volatile private[this] var _inhabitantsDoNotCallMeDirectly: Long = _ // DO NOT TOUCH!
   @silent @volatile private[this] var _shutdownScheduleDoNotCallMeDirectly: Int = _ // DO NOT TOUCH!
+  @silent private def _dotty_pls_dont_remove_my_unused_private = {
+    _inhabitantsDoNotCallMeDirectly
+    _shutdownScheduleDoNotCallMeDirectly
+  }
 
   private final def addInhabitants(add: Long): Long = {
     val old = Unsafe.instance.getAndAddLong(this, inhabitantsOffset, add)

diff --git a/akka-actor/src/main/scala/akka/pattern/AskSupport.scala b/akka-actor/src/main/scala/akka/pattern/AskSupport.scala
@@ -534,6 +534,11 @@ private[akka] final class PromiseActorRef private (
   @silent("never used")
   private[this] var _watchedByDoNotCallMeDirectly: Set[ActorRef] = ActorCell.emptyActorRefSet
 
+  @silent private def _dotty_pls_dont_remove_my_unused_private = {
+    _stateDoNotCallMeDirectly
+    _watchedByDoNotCallMeDirectly
+  }
+
   @inline
   private[this] def watchedBy: Set[ActorRef] =
     Unsafe.instance.getObjectVolatile(this, watchedByOffset).asInstanceOf[Set[ActorRef]]

diff --git a/akka-actor/src/main/scala/akka/pattern/CircuitBreaker.scala b/akka-actor/src/main/scala/akka/pattern/CircuitBreaker.scala
@@ -203,6 +203,10 @@ class CircuitBreaker(
   @volatile
   @silent("never used")
   private[this] var _currentResetTimeoutDoNotCallMeDirectly: FiniteDuration = resetTimeout
+  @silent private def _dotty_pls_dont_remove_my_unused_private = {
+    _currentStateDoNotCallMeDirectly
+    _currentResetTimeoutDoNotCallMeDirectly
+  }
 
   /**
    * Helper method for access to underlying state via Unsafe

diff --git a/akka-remote/src/main/scala/akka/remote/artery/Association.scala b/akka-remote/src/main/scala/akka/remote/artery/Association.scala
@@ -246,6 +246,9 @@ private[remote] class Association(
   @volatile
   @silent("never used")
   private[this] var _sharedStateDoNotCallMeDirectly: AssociationState = AssociationState()
+  @silent private def _dotty_pls_dont_remove_my_unused_private = {
+    _sharedStateDoNotCallMeDirectly
+  }
 
   /**
    * Helper method for access to underlying state via Unsafe