Move type to JVM tag conversion to Definitions

Author: Duhemm

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

@@ -231,26 +231,12 @@ object NameOps {
       case nme.clone_ => nme.clone_
     }
 
-    private def typeToTag(tp: Types.Type)(implicit ctx: Context): Name =
-      tp.classSymbol match {
-        case t if t eq defn.IntClass     => nme.specializedTypeNames.Int
-        case t if t eq defn.BooleanClass => nme.specializedTypeNames.Boolean
-        case t if t eq defn.ByteClass    => nme.specializedTypeNames.Byte
-        case t if t eq defn.LongClass    => nme.specializedTypeNames.Long
-        case t if t eq defn.ShortClass   => nme.specializedTypeNames.Short
-        case t if t eq defn.FloatClass   => nme.specializedTypeNames.Float
-        case t if t eq defn.UnitClass    => nme.specializedTypeNames.Void
-        case t if t eq defn.DoubleClass  => nme.specializedTypeNames.Double
-        case t if t eq defn.CharClass    => nme.specializedTypeNames.Char
-        case _                           => nme.specializedTypeNames.Object
-      }
-
     /** This method is to be used on **type parameters** from a class, since
      *  this method does sorting based on their names
      */
     def specializedFor(classTargs: List[Types.Type], classTargsNames: List[Name], methodTargs: List[Types.Type], methodTarsNames: List[Name])(implicit ctx: Context): Name = {
-      val methodTags: Seq[Name] = (methodTargs zip methodTarsNames).sortBy(_._2).map(x => typeToTag(x._1))
-      val classTags: Seq[Name] = (classTargs zip classTargsNames).sortBy(_._2).map(x => typeToTag(x._1))
+      val methodTags: Seq[Name] = (methodTargs zip methodTarsNames).sortBy(_._2).map(x => defn.typeTag(x._1))
+      val classTags: Seq[Name] = (classTargs zip classTargsNames).sortBy(_._2).map(x => defn.typeTag(x._1))
 
       name.likeSpaced(name ++ nme.specializedTypeNames.prefix ++
         methodTags.fold(nme.EMPTY)(_ ++ _) ++ nme.specializedTypeNames.separator ++
@@ -265,8 +251,8 @@ object NameOps {
      */
     def specializedFunction(ret: Types.Type, args: List[Types.Type])(implicit ctx: Context): Name =
       name ++ nme.specializedTypeNames.prefix ++
-      nme.specializedTypeNames.separator ++ typeToTag(ret) ++
-      args.map(typeToTag).fold(nme.EMPTY)(_ ++ _) ++ nme.specializedTypeNames.suffix
+      nme.specializedTypeNames.separator ++ defn.typeTag(ret) ++
+      args.map(defn.typeTag).fold(nme.EMPTY)(_ ++ _) ++ nme.specializedTypeNames.suffix
 
     /** If name length exceeds allowable limit, replace part of it by hash */
     def compactified(implicit ctx: Context): TermName = termName(compactify(name.toString))