Review changes for the new Lazy Vals

Author: szymon-rd

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

@@ -2,20 +2,33 @@ package dotty.tools
 package dotc
 package core
 
-import scala.annotation.{threadUnsafe => tu}
-import Types._, Contexts._, Symbols._, SymDenotations._, StdNames._, Names._, Phases._
-import Flags._, Scopes._, Decorators._, NameOps._, Periods._, NullOpsDecorator._
+import scala.annotation.threadUnsafe as tu
+import Types.*
+import Contexts.*
+import Symbols.*
+import SymDenotations.*
+import StdNames.*
+import Names.*
+import Phases.*
+import Flags.*
+import Scopes.*
+import Decorators.*
+import NameOps.*
+import Periods.*
+import NullOpsDecorator.*
 import unpickleScala2.Scala2Unpickler.ensureConstructor
+
 import scala.collection.mutable
 import collection.mutable
 import Denotations.{SingleDenotation, staticRef}
-import util.{SimpleIdentityMap, SourceFile, NoSource}
+import util.{NoSource, SimpleIdentityMap, SourceFile}
 import typer.ImportInfo.RootRef
 import Comments.CommentsContext
 import Comments.Comment
 import util.Spans.NoSpan
 import Symbols.requiredModuleRef
-import cc.{CapturingType, CaptureSet, EventuallyCapturingType}
+import cc.{CaptureSet, CapturingType, EventuallyCapturingType}
+import dotty.tools.dotc.transform.LazyVals.lazyNme
 
 import scala.annotation.tailrec
 
@@ -1985,6 +1998,12 @@ class Definitions {
     addSyntheticSymbolsComments
   }
 
+  /** Definitions used in Lazy Vals implementation */
+  val LazyValsModuleName = "scala.runtime.LazyVals"
+  @tu lazy val LazyValsModule = requiredModule(LazyValsModuleName)
+  @tu lazy val LazyValsWaitingState = requiredClass(s"$LazyValsModuleName.Waiting")
+  @tu lazy val LazyValsControlState = requiredClass(s"$LazyValsModuleName.LazyValControlState")
+
   def addSyntheticSymbolsComments(using Context): Unit =
     def add(sym: Symbol, doc: String) = ctx.docCtx.foreach(_.addDocstring(sym, Some(Comment(NoSpan, doc))))