diff options
Diffstat (limited to 'src/dotty/tools/dotc/core/TypeOps.scala')
| -rw-r--r-- | src/dotty/tools/dotc/core/TypeOps.scala | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/src/dotty/tools/dotc/core/TypeOps.scala b/src/dotty/tools/dotc/core/TypeOps.scala index 72b0c87c4..54846087f 100644 --- a/src/dotty/tools/dotc/core/TypeOps.scala +++ b/src/dotty/tools/dotc/core/TypeOps.scala @@ -232,11 +232,16 @@ trait TypeOps { this: Context => // TODO: Make standalone object. } case _ => } + tp1 match { + case tp1: RecType => + tp1.rebind(approximateOr(tp1.parent, tp2)) case tp1: TypeProxy if !isClassRef(tp1) => approximateUnion(next(tp1) | tp2) case _ => tp2 match { + case tp2: RecType => + tp2.rebind(approximateOr(tp1, tp2.parent)) case tp2: TypeProxy if !isClassRef(tp2) => approximateUnion(tp1 | next(tp2)) case _ => @@ -252,16 +257,32 @@ trait TypeOps { this: Context => // TODO: Make standalone object. if (ctx.featureEnabled(defn.LanguageModuleClass, nme.keepUnions)) tp else tp match { case tp: OrType => - approximateOr(tp.tp1, tp.tp2) + approximateOr(tp.tp1, tp.tp2) // Maybe refactor using liftToRec? case tp @ AndType(tp1, tp2) => tp derived_& (approximateUnion(tp1), approximateUnion(tp2)) case tp: RefinedType => tp.derivedRefinedType(approximateUnion(tp.parent), tp.refinedName, tp.refinedInfo) + case tp: RecType => + tp.rebind(approximateUnion(tp.parent)) case _ => tp } } + /** Not currently needed: + * + def liftToRec(f: (Type, Type) => Type)(tp1: Type, tp2: Type)(implicit ctx: Context) = { + def f2(tp1: Type, tp2: Type): Type = tp2 match { + case tp2: RecType => tp2.rebind(f(tp1, tp2.parent)) + case _ => f(tp1, tp2) + } + tp1 match { + case tp1: RecType => tp1.rebind(f2(tp1.parent, tp2)) + case _ => f2(tp1, tp2) + } + } + */ + private def enterArgBinding(formal: Symbol, info: Type, cls: ClassSymbol, decls: Scope) = { val lazyInfo = new LazyType { // needed so we do not force `formal`. def complete(denot: SymDenotation)(implicit ctx: Context): Unit = { |