Implement CommentOps in kernel

Author: nicolasstucki

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

@@ -1313,6 +1313,10 @@ class KernelImpl(val rootContext: core.Contexts.Context, val rootPosition: util.
 
   type Comment = core.Comments.Comment
 
+  def Comment_raw(self: Comment): String = self.raw
+  def Comment_expanded(self: Comment): Option[String] = self.expanded
+  def Comment_usecases(self: Comment): List[(String, Option[DefDef])] = self.usecases.map { uc => (uc.code, uc.tpdCode) }
+
   //
   // CONSTANTS
   //

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

@@ -9,7 +9,7 @@ object ReflectionImpl {
     apply(rootContext, SourcePosition(rootContext.source, Spans.NoSpan))
 
   def apply(rootContext: Contexts.Context, rootPosition: SourcePosition): scala.tasty.Reflection { val kernel: KernelImpl } = {
-    class ReflectionImpl(val kernel: KernelImpl) extends scala.tasty.Reflection with CoreImpl with CommentOpsImpl
+    class ReflectionImpl(val kernel: KernelImpl) extends scala.tasty.Reflection
     new ReflectionImpl(new KernelImpl(rootContext, rootPosition))
   }
 

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

@@ -2,18 +2,17 @@ package scala.tasty.reflect
 
 trait CommentOps extends Core {
 
-  trait CommentAPI {
+  implicit class CommentAPI(self: Comment) {
 
     /** Raw comment string */
-    def raw: String
+    def raw: String = kernel.Comment_raw(self)
 
     /** Expanded comment string, if any */
-    def expanded: Option[String]
+    def expanded: Option[String] = kernel.Comment_expanded(self)
 
     /** List of usecases and their corresponding trees, if any */
-    def usecases: List[(String, Option[DefDef])]
+    def usecases: List[(String, Option[DefDef])] = kernel.Comment_usecases(self)
 
   }
-  implicit def CommentDeco(comment: Comment): CommentAPI
 
 }

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

@@ -1072,6 +1072,10 @@ trait Kernel {
   /** Comment */
   type Comment <: AnyRef
 
+  def Comment_raw(self: Comment): String
+  def Comment_expanded(self: Comment): Option[String]
+  def Comment_usecases(self: Comment): List[(String, Option[DefDef])]
+
   //
   // CONSTANTS
   //