diff options
| -rw-r--r-- | src/dotty/tools/backend/jvm/DottyBackendInterface.scala | 30 |
1 files changed, 20 insertions, 10 deletions
diff --git a/src/dotty/tools/backend/jvm/DottyBackendInterface.scala b/src/dotty/tools/backend/jvm/DottyBackendInterface.scala index bdba2935e..a1137896b 100644 --- a/src/dotty/tools/backend/jvm/DottyBackendInterface.scala +++ b/src/dotty/tools/backend/jvm/DottyBackendInterface.scala @@ -858,18 +858,28 @@ class DottyBackendInterface()(implicit ctx: Context) extends BackendInterface{ object Select extends SelectDeconstructor { - override def isEmpty: Boolean = field match { - case t: tpd.Select => false - case t: tpd.Ident => desugarIdent(t).isEmpty - case _ => true - } + var desugared: tpd.Select = null + + override def isEmpty: Boolean = + desugared eq null + + def _1: Tree = desugared.qualifier - def _1: Tree = field match { - case t: tpd.Select => t.qualifier - case t: tpd.Ident => desugarIdent(t).get + def _2: Name = desugared.name + + override def unapply(s: Select): this.type = { + s match { + case t: Select => desugared = t + case t: Ident => + desugarIdent(t) match { + case Some(t) => desugared = t + case None => desugared = null + } + case _ => desugared = null + } + + this } - def _2: Name = field.name - } object Apply extends ApplyDeconstructor { |