diff options
| -rw-r--r-- | src/compiler/scala/tools/nsc/transform/TailCalls.scala | 8 | ||||
| -rw-r--r-- | src/reflect/scala/reflect/internal/Definitions.scala | 4 |
2 files changed, 12 insertions, 0 deletions
diff --git a/src/compiler/scala/tools/nsc/transform/TailCalls.scala b/src/compiler/scala/tools/nsc/transform/TailCalls.scala index ef534f70fd..93a343675b 100644 --- a/src/compiler/scala/tools/nsc/transform/TailCalls.scala +++ b/src/compiler/scala/tools/nsc/transform/TailCalls.scala @@ -265,6 +265,10 @@ abstract class TailCalls extends Transform { !(sym.hasAccessorFlag || sym.isConstructor) } + // intentionally shadowing imports from definitions for performance + val runDefinitions = currentRun.runDefinitions + import runDefinitions.{Boolean_or, Boolean_and} + tree match { case ValDef(_, _, _, _) => if (tree.symbol.isLazy && tree.symbol.hasAnnotation(TailrecClass)) @@ -421,6 +425,10 @@ abstract class TailCalls extends Transform { def traverseNoTail(tree: Tree) = traverse(tree, maybeTailNew = false) def traverseTreesNoTail(trees: List[Tree]) = trees foreach traverseNoTail + // intentionally shadowing imports from definitions for performance + private val runDefinitions = currentRun.runDefinitions + import runDefinitions.{Boolean_or, Boolean_and} + override def traverse(tree: Tree) = tree match { // we're looking for label(x){x} in tail position, since that means `a` is in tail position in a call `label(a)` case LabelDef(_, List(arg), body@Ident(_)) if arg.symbol == body.symbol => diff --git a/src/reflect/scala/reflect/internal/Definitions.scala b/src/reflect/scala/reflect/internal/Definitions.scala index 70375d974c..f4f212ac2a 100644 --- a/src/reflect/scala/reflect/internal/Definitions.scala +++ b/src/reflect/scala/reflect/internal/Definitions.scala @@ -1437,6 +1437,10 @@ trait Definitions extends api.StandardDefinitions { lazy val isUnbox = unboxMethod.values.toSet[Symbol] lazy val isBox = boxMethod.values.toSet[Symbol] + lazy val Boolean_and = definitions.Boolean_and + lazy val Boolean_or = definitions.Boolean_or + lazy val Boolean_not = definitions.Boolean_not + lazy val Option_apply = getMemberMethod(OptionModule, nme.apply) lazy val List_apply = DefinitionsClass.this.List_apply |