Replace addAnnotation(annotation) by addAnnotation(Annotation(annotation))

as asked in https://github.com/lampepfl/dotty/pull/1155/files#r55355664

Author: DarkDimius

src/dotty/tools/dotc/core/Annotations.scala

@@ -47,6 +47,9 @@ object Annotations {
 
     def apply(tree: Tree) = ConcreteAnnotation(tree)
 
+    def apply(cls: ClassSymbol)(implicit ctx: Context): Annotation =
+      apply(cls, Nil)
+
     def apply(cls: ClassSymbol, arg: Tree)(implicit ctx: Context): Annotation =
       apply(cls, arg :: Nil)
 

src/dotty/tools/dotc/core/SymDenotations.scala

@@ -285,10 +285,6 @@ object SymDenotations {
     final def addAnnotation(annot: Annotation): Unit =
       annotations = annot :: myAnnotations
 
-    /** Add given annotation to the annotations of this denotation */
-    final def addAnnotation(annot: ClassSymbol)(implicit ctx: Context): Unit =
-      addAnnotation(ConcreteAnnotation(tpd.ref(annot)))
-
     /** Remove annotation with given class from this denotation */
     final def removeAnnotation(cls: Symbol)(implicit ctx: Context): Unit =
       annotations = myAnnotations.filterNot(_ matches cls)

src/dotty/tools/dotc/transform/LazyVals.scala

@@ -1,6 +1,7 @@
 package dotty.tools.dotc
 package transform
 
+import dotty.tools.dotc.core.Annotations.Annotation
 import dotty.tools.dotc.core.Phases.NeedsCompanions
 import dotty.tools.dotc.typer.Mode
 
@@ -91,7 +92,7 @@ class LazyVals extends MiniPhaseTransform with IdentityDenotTransformer with Nee
     appendOffsetDefs.get(cls) match {
       case None => template
       case Some(data) =>
-        data.defs.foreach(_.symbol.addAnnotation(defn.ScalaStaticAnnot))
+        data.defs.foreach(_.symbol.addAnnotation(Annotation(defn.ScalaStaticAnnot)))
         cpy.Template(template)(body = addInFront(data.defs, template.body))
     }
 
@@ -358,7 +359,7 @@ class LazyVals extends MiniPhaseTransform with IdentityDenotTransformer with Nee
                  .symbol.asTerm
             } else { // need to create a new flag
               offsetSymbol = ctx.newSymbol(companion.moduleClass, (StdNames.nme.LAZY_FIELD_OFFSET + id.toString).toTermName, Flags.Synthetic, defn.LongType).enteredAfter(this)
-              offsetSymbol.addAnnotation(defn.ScalaStaticAnnot)
+              offsetSymbol.addAnnotation(Annotation(defn.ScalaStaticAnnot))
               val flagName = (StdNames.nme.BITMAP_PREFIX + id.toString).toTermName
               val flagSymbol = ctx.newSymbol(claz, flagName, containerFlags, defn.LongType).enteredAfter(this)
               flag = ValDef(flagSymbol, Literal(Constants.Constant(0L)))
@@ -368,7 +369,7 @@ class LazyVals extends MiniPhaseTransform with IdentityDenotTransformer with Nee
 
           case None =>
             offsetSymbol = ctx.newSymbol(companion.moduleClass, (StdNames.nme.LAZY_FIELD_OFFSET + "0").toTermName, Flags.Synthetic, defn.LongType).enteredAfter(this)
-            offsetSymbol.addAnnotation(defn.ScalaStaticAnnot)
+            offsetSymbol.addAnnotation(Annotation(defn.ScalaStaticAnnot))
             val flagName = (StdNames.nme.BITMAP_PREFIX + "0").toTermName
             val flagSymbol = ctx.newSymbol(claz, flagName, containerFlags, defn.LongType).enteredAfter(this)
             flag = ValDef(flagSymbol, Literal(Constants.Constant(0L)))