diff options
Diffstat (limited to 'core/shared/src')
| -rw-r--r-- | core/shared/src/main/scala/magnolia.scala | 26 |
1 files changed, 14 insertions, 12 deletions
diff --git a/core/shared/src/main/scala/magnolia.scala b/core/shared/src/main/scala/magnolia.scala index c935b91..f55dfa7 100644 --- a/core/shared/src/main/scala/magnolia.scala +++ b/core/shared/src/main/scala/magnolia.scala @@ -65,6 +65,7 @@ object Magnolia { * */ def gen[T: c.WeakTypeTag](c: whitebox.Context): c.Tree = { import c.universe._ + import internal._ val magnoliaPkg = q"_root_.magnolia" val scalaPkg = q"_root_.scala" @@ -273,10 +274,11 @@ object Magnolia { val isValueClass = genericType <:< typeOf[AnyVal] && !primitives.exists(_ =:= genericType) val resultType = appliedType(typeConstructor, genericType) + + val className = s"${genericType.typeSymbol.owner.fullName}.${genericType.typeSymbol.name.decodedName}" val result = if (isCaseObject) { val obj = companionRef(genericType) - val className = genericType.typeSymbol.name.decodedName.toString val impl = q""" ${c.prefix}.combine($magnoliaPkg.Magnolia.caseClass[$typeConstructor, $genericType]( @@ -289,7 +291,6 @@ object Magnolia { case m: MethodSymbol if m.isCaseAccessor || (isValueClass && m.isParamAccessor) => m.asMethod } - val className = genericType.typeSymbol.name.decodedName.toString case class CaseParam(sym: c.universe.MethodSymbol, repeated: Boolean, @@ -300,9 +301,7 @@ object Magnolia { val caseParamsReversed = caseClassParameters.foldLeft[List[CaseParam]](Nil) { (acc, param) => val paramName = param.name.decodedName.toString - val paramTypeSubstituted = param.returnType.substituteTypes( - genericType.etaExpand.typeParams, - genericType.typeArgs) + val paramTypeSubstituted = param.typeSignatureIn(genericType).resultType val (repeated, paramType) = paramTypeSubstituted match { case TypeRef(_, `repeatedParamClass`, typeArgs) => @@ -395,10 +394,13 @@ object Magnolia { } else if (isSealedTrait) { val genericSubtypes = classType.get.knownDirectSubclasses.to[List] val subtypes = genericSubtypes.map { sub => - val typeArgs = sub.asType.typeSignature.baseType(genericType.typeSymbol).typeArgs - val mapping = typeArgs.zip(genericType.typeArgs).toMap - val newTypeParams = sub.asType.toType.typeArgs.map(mapping(_)) - appliedType(sub.asType.toType.typeConstructor, newTypeParams) + val subType = sub.asType.toType // FIXME: Broken for path dependent types + val typeParams = sub.asType.typeParams + val typeArgs = thisType(sub).baseType(genericType.typeSymbol).typeArgs + val mapping = (typeArgs.map(_.typeSymbol), genericType.typeArgs).zipped.toMap + val newTypeArgs = typeParams.map(mapping.withDefault(_.asType.toType)) + val applied = appliedType(subType.typeConstructor, newTypeArgs) + existentialAbstraction(typeParams, applied) } if (subtypes.isEmpty) { @@ -422,13 +424,13 @@ object Magnolia { val assignments = typeclasses.zipWithIndex.map { case ((typ, typeclass), idx) => q"""$subtypesVal($idx) = $magnoliaPkg.Magnolia.subtype[$typeConstructor, $genericType, $typ]( - ${typ.typeSymbol.fullName.toString}, + ${s"${typ.typeSymbol.owner.fullName}.${typ.typeSymbol.name.decodedName}"}, $typeclass, (t: $genericType) => t.isInstanceOf[$typ], (t: $genericType) => t.asInstanceOf[$typ] )""" } - + Some { Typeclass( genericType, @@ -439,7 +441,7 @@ object Magnolia { ..$assignments ${c.prefix}.dispatch(new $magnoliaPkg.SealedTrait( - $genericTypeName, + $className, $subtypesVal: $scalaPkg.Array[$magnoliaPkg.Subtype[$typeConstructor, $genericType]]) ): $resultType }""" |