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author | Martin Odersky <odersky@gmail.com> | 2016-09-05 18:01:12 +0200 |
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committer | Martin Odersky <odersky@gmail.com> | 2016-10-02 16:11:21 +0200 |
commit | 04de4b58b75cb526506317db02d8b6b2a8aefd99 (patch) | |
tree | 69a6fdecb59af37341ae2cc32d2c237f8050dbf0 /src | |
parent | 61e8ea4824e14c9884d69eec502ea73c9ebd0838 (diff) | |
download | dotty-04de4b58b75cb526506317db02d8b6b2a8aefd99.tar.gz dotty-04de4b58b75cb526506317db02d8b6b2a8aefd99.tar.bz2 dotty-04de4b58b75cb526506317db02d8b6b2a8aefd99.zip |
Fix problems handling types in Inliner
1. Don't generate local aliases - we can potentially run into
avoidance problems later for such aliases
2. Scan all parts of leaf types for things that need to be
registered cor remappings.
Diffstat (limited to 'src')
-rw-r--r-- | src/dotty/tools/dotc/core/Types.scala | 7 | ||||
-rw-r--r-- | src/dotty/tools/dotc/typer/Inliner.scala | 16 |
2 files changed, 8 insertions, 15 deletions
diff --git a/src/dotty/tools/dotc/core/Types.scala b/src/dotty/tools/dotc/core/Types.scala index 30d1c0136..7a64e19c8 100644 --- a/src/dotty/tools/dotc/core/Types.scala +++ b/src/dotty/tools/dotc/core/Types.scala @@ -228,8 +228,8 @@ object Types { !existsPart(!p(_)) /** Performs operation on all parts of this type */ - final def foreachPart(p: Type => Unit)(implicit ctx: Context): Unit = - new ForeachAccumulator(p).apply((), this) + final def foreachPart(p: Type => Unit, stopAtStatic: Boolean = false)(implicit ctx: Context): Unit = + new ForeachAccumulator(p, stopAtStatic).apply((), this) /** The parts of this type which are type or term refs */ final def namedParts(implicit ctx: Context): collection.Set[NamedType] = @@ -3704,8 +3704,7 @@ object Types { x || p(tp) || (forceLazy || !tp.isInstanceOf[LazyRef]) && foldOver(x, tp) } - class ForeachAccumulator(p: Type => Unit)(implicit ctx: Context) extends TypeAccumulator[Unit] { - override def stopAtStatic = false + class ForeachAccumulator(p: Type => Unit, override val stopAtStatic: Boolean)(implicit ctx: Context) extends TypeAccumulator[Unit] { def apply(x: Unit, tp: Type): Unit = foldOver(p(tp), tp) } diff --git a/src/dotty/tools/dotc/typer/Inliner.scala b/src/dotty/tools/dotc/typer/Inliner.scala index 631c98734..4af9ecaec 100644 --- a/src/dotty/tools/dotc/typer/Inliner.scala +++ b/src/dotty/tools/dotc/typer/Inliner.scala @@ -104,13 +104,7 @@ class Inliner(call: tpd.Tree, rhs: tpd.Tree)(implicit ctx: Context) { private def computeParamBindings(tp: Type, targs: List[Tree], argss: List[List[Tree]]): Unit = tp match { case tp: PolyType => (tp.paramNames, targs).zipped.foreach { (name, arg) => - paramBinding(name) = arg.tpe.stripTypeVar match { - case argtpe: TypeRef => argtpe - case argtpe => - val binding = newSym(name, EmptyFlags, TypeAlias(argtpe)).asType - bindingsBuf += TypeDef(binding) - binding.typeRef - } + paramBinding(name) = arg.tpe.stripTypeVar } computeParamBindings(tp.resultType, Nil, argss) case tp: MethodType => @@ -155,7 +149,8 @@ class Inliner(call: tpd.Tree, rhs: tpd.Tree)(implicit ctx: Context) { } private def registerLeaf(tree: Tree): Unit = tree match { - case _: This | _: Ident | _: TypeTree => registerType(tree.tpe) + case _: This | _: Ident | _: TypeTree => + tree.tpe.foreachPart(registerType, stopAtStatic = true) case _ => } @@ -166,7 +161,6 @@ class Inliner(call: tpd.Tree, rhs: tpd.Tree)(implicit ctx: Context) { case res @ Select(qual, name) => if (name.endsWith(nme.OUTER)) { val outerAcc = tree.symbol - println(i"selecting $tree / ${acc} / ${qual.tpe.normalizedPrefix}") res.withType(qual.tpe.widen.normalizedPrefix) } else { @@ -227,8 +221,8 @@ class Inliner(call: tpd.Tree, rhs: tpd.Tree)(implicit ctx: Context) { } case _: Ident => paramProxy.get(tree.tpe) match { - case Some(t: TypeRef) => ref(t) - case Some(t: SingletonType) => singleton(t) + case Some(t: SingletonType) if tree.isTerm => singleton(t) + case Some(t) if tree.isType => TypeTree(t) case None => tree } case _ => tree |