diff options
Diffstat (limited to 'src/compiler/scala/tools/nsc/matching/Patterns.scala')
| -rw-r--r-- | src/compiler/scala/tools/nsc/matching/Patterns.scala | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/src/compiler/scala/tools/nsc/matching/Patterns.scala b/src/compiler/scala/tools/nsc/matching/Patterns.scala index 420fba911b..e5748b7c23 100644 --- a/src/compiler/scala/tools/nsc/matching/Patterns.scala +++ b/src/compiler/scala/tools/nsc/matching/Patterns.scala @@ -36,6 +36,9 @@ trait Patterns extends ast.TreeDSL { // case _ => NoSymbol // } + private lazy val dummyMethod = + new TermSymbol(NoSymbol, NoPosition, newTermName("matching$dummy")) + // Fresh patterns def emptyPatterns(i: Int): List[Pattern] = List.fill(i)(NoPattern) def emptyTrees(i: Int): List[Tree] = List.fill(i)(EmptyTree) @@ -191,9 +194,9 @@ trait Patterns extends ast.TreeDSL { // As yet I can't testify this is doing any good relative to using // tpt.tpe, but it doesn't seem to hurt either. private lazy val packedType = global.typer.computeType(tpt, tpt.tpe) - private lazy val consRef = typeRef(NoPrefix, ConsClass, List(packedType)) - private lazy val listRef = typeRef(NoPrefix, ListClass, List(packedType)) - private lazy val seqRef = typeRef(NoPrefix, SeqClass, List(packedType)) + private lazy val consRef = appliedType(ConsClass.typeConstructor, List(packedType)) + private lazy val listRef = appliedType(ListClass.typeConstructor, List(packedType)) + private lazy val seqRef = appliedType(SeqClass.typeConstructor, List(packedType)) private def thisSeqRef = { val tc = (tree.tpe baseType SeqClass).typeConstructor @@ -205,7 +208,6 @@ trait Patterns extends ast.TreeDSL { private def listFolder(hd: Tree, tl: Tree): Tree = unbind(hd) match { case t @ Star(_) => moveBindings(hd, WILD(t.tpe)) case _ => - val dummyMethod = new TermSymbol(NoSymbol, NoPosition, "matching$dummy") val consType = MethodType(dummyMethod newSyntheticValueParams List(packedType, listRef), consRef) Apply(TypeTree(consType), List(hd, tl)) setType consRef |