Revert changes on FromSymbol

Author: nicolasstucki

compiler/src/dotty/tools/dotc/tastyreflect/FromSymbol.scala

@@ -1,12 +1,13 @@
 package dotty.tools.dotc.tastyreflect
 
 import dotty.tools.dotc.ast.tpd
+import dotty.tools.dotc.core.Contexts.Context
 import dotty.tools.dotc.core.Flags._
 import dotty.tools.dotc.core.StdNames._
 import dotty.tools.dotc.core.Symbols._
 import dotty.tools.dotc.core.Types._
 
-trait FromSymbol { tasty: TastyImpl =>
+object FromSymbol {
 
   def definitionFromSym(sym: Symbol)(implicit ctx: Context): tpd.Tree = {
     if (sym.is(Package)) packageDefFromSym(sym)
@@ -20,7 +21,7 @@ trait FromSymbol { tasty: TastyImpl =>
 
   def packageDefFromSym(sym: Symbol)(implicit ctx: Context): PackageDefinition = PackageDefinitionImpl(sym)
 
-  def classDef(cls: ClassSymbol)(implicit ctx: Context): ClassDef = {
+  def classDef(cls: ClassSymbol)(implicit ctx: Context): tpd.TypeDef = {
     val constrSym = cls.unforcedDecls.find(_.isPrimaryConstructor).orElse(
       // Dummy constructor for classes such as `<refinement>`
       ctx.newSymbol(cls, nme.CONSTRUCTOR, EmptyFlags, NoType)

compiler/src/dotty/tools/dotc/tastyreflect/StandardDefinitions.scala

@@ -2,7 +2,9 @@ package dotty.tools.dotc.tastyreflect
 
 import dotty.tools.dotc.core.Symbols._
 
-trait StandardDefinitions extends scala.tasty.reflect.StandardDefinitions with FromSymbol {
+import dotty.tools.dotc.tastyreflect.FromSymbol._
+
+trait StandardDefinitions extends scala.tasty.reflect.StandardDefinitions {
     tasty: TastyImpl =>
 
   private implicit def ctx: Context = rootContext

compiler/src/dotty/tools/dotc/tastyreflect/TastyImpl.scala

@@ -15,7 +15,9 @@ import scala.quoted
 import scala.reflect.ClassTag
 import scala.tasty.util.{Show, ShowExtractors, ShowSourceCode}
 
-class TastyImpl(val rootContext: Contexts.Context) extends scala.tasty.Tasty with FromSymbol with StandardDefinitions { self =>
+import dotty.tools.dotc.tastyreflect.FromSymbol._
+
+class TastyImpl(val rootContext: Contexts.Context) extends scala.tasty.Tasty with StandardDefinitions { self =>
 
   // ===== Quotes ===================================================