From 73c9693c8aced6945b75faa5e3765b7bc6ec21e9 Mon Sep 17 00:00:00 2001 From: Adriaan Moors Date: Mon, 3 Apr 2017 12:38:45 -0700 Subject: Revert "Optimize slice and take in ArrayOps, WrappedArray" This reverts commit d540bf01fe4d9e5c56a68b0d3bada9d97af77e3f. --- bincompat-backward.whitelist.conf | 41 --- bincompat-forward.whitelist.conf | 296 --------------------- .../scala/collection/mutable/ArrayOps.scala | 74 +----- .../scala/collection/mutable/WrappedArray.scala | 49 ---- 4 files changed, 10 insertions(+), 450 deletions(-) diff --git a/bincompat-backward.whitelist.conf b/bincompat-backward.whitelist.conf index 7303e8d80f..0770b3cb95 100644 --- a/bincompat-backward.whitelist.conf +++ b/bincompat-backward.whitelist.conf @@ -223,47 +223,6 @@ filter { { matchName="scala.concurrent.impl.Promise.toString" problemName=MissingMethodProblem - }, - // https://github.com/scala/scala/pull/5652 - { - matchName="scala.collection.mutable.ArrayOps#ofChar.slice" - problemName=FinalMethodProblem - }, - { - matchName="scala.collection.mutable.ArrayOps#ofShort.slice" - problemName=FinalMethodProblem - }, - { - matchName="scala.collection.mutable.ArrayOps#ofUnit.slice" - problemName=FinalMethodProblem - }, - { - matchName="scala.collection.mutable.ArrayOps#ofInt.slice" - problemName=FinalMethodProblem - }, - { - matchName="scala.collection.mutable.ArrayOps#ofBoolean.slice" - problemName=FinalMethodProblem - }, - { - matchName="scala.collection.mutable.ArrayOps#ofDouble.slice" - problemName=FinalMethodProblem - }, - { - matchName="scala.collection.mutable.ArrayOps#ofRef.slice" - problemName=FinalMethodProblem - }, - { - matchName="scala.collection.mutable.ArrayOps#ofByte.slice" - problemName=FinalMethodProblem - }, - { - matchName="scala.collection.mutable.ArrayOps#ofLong.slice" - problemName=FinalMethodProblem - }, - { - matchName="scala.collection.mutable.ArrayOps#ofFloat.slice" - problemName=FinalMethodProblem } ] } diff --git a/bincompat-forward.whitelist.conf b/bincompat-forward.whitelist.conf index 023e3bddac..7f28a718bd 100644 --- a/bincompat-forward.whitelist.conf +++ b/bincompat-forward.whitelist.conf @@ -628,302 +628,6 @@ filter { { matchName="scala.reflect.api.SerializedTypeTag.serialVersionUID" problemName=MissingFieldProblem - }, - { - matchName="scala.collection.mutable.ArrayOps$ofChar" - problemName=MissingTypesProblem - }, - { - matchName="scala.collection.mutable.ArrayOps#ofChar.sliceImpl" - problemName=DirectMissingMethodProblem - }, - { - matchName="scala.collection.mutable.ArrayOps#ofChar.emptyImpl" - problemName=DirectMissingMethodProblem - }, - { - matchName="scala.collection.mutable.ArrayOps$ofShort" - problemName=MissingTypesProblem - }, - { - matchName="scala.collection.mutable.ArrayOps#ofShort.sliceImpl" - problemName=DirectMissingMethodProblem - }, - { - matchName="scala.collection.mutable.ArrayOps#ofShort.emptyImpl" - problemName=DirectMissingMethodProblem - }, - { - matchName="scala.collection.mutable.WrappedArray#ofByte.sliceImpl" - problemName=DirectMissingMethodProblem - }, - { - matchName="scala.collection.mutable.WrappedArray#ofByte.emptyImpl" - problemName=DirectMissingMethodProblem - }, - { - matchName="scala.collection.mutable.WrappedArray#ofBoolean.sliceImpl" - problemName=DirectMissingMethodProblem - }, - { - matchName="scala.collection.mutable.WrappedArray#ofBoolean.emptyImpl" - problemName=DirectMissingMethodProblem - }, - { - matchName="scala.collection.mutable.WrappedArray#ofChar.sliceImpl" - problemName=DirectMissingMethodProblem - }, - { - matchName="scala.collection.mutable.WrappedArray#ofChar.emptyImpl" - problemName=DirectMissingMethodProblem - }, - { - matchName="scala.collection.mutable.WrappedArray#ofDouble.sliceImpl" - problemName=DirectMissingMethodProblem - }, - { - matchName="scala.collection.mutable.WrappedArray#ofDouble.emptyImpl" - problemName=DirectMissingMethodProblem - }, - { - matchName="scala.collection.mutable.ArrayOps$ofUnit" - problemName=MissingTypesProblem - }, - { - matchName="scala.collection.mutable.ArrayOps#ofUnit.sliceImpl" - problemName=DirectMissingMethodProblem - }, - { - matchName="scala.collection.mutable.ArrayOps#ofUnit.emptyImpl" - problemName=DirectMissingMethodProblem - }, - { - matchName="scala.collection.mutable.ArrayOps#ofInt.sliceImpl$extension" - problemName=DirectMissingMethodProblem - }, - { - matchName="scala.collection.mutable.ArrayOps#ofInt.emptyImpl$extension" - problemName=DirectMissingMethodProblem - }, - { - matchName="scala.collection.mutable.ArrayOps$ofInt" - problemName=MissingTypesProblem - }, - { - matchName="scala.collection.mutable.ArrayOps#ofInt.sliceImpl" - problemName=DirectMissingMethodProblem - }, - { - matchName="scala.collection.mutable.ArrayOps#ofInt.emptyImpl" - problemName=DirectMissingMethodProblem - }, - { - matchName="scala.collection.mutable.ArrayOps#ofRef.sliceImpl$extension" - problemName=DirectMissingMethodProblem - }, - { - matchName="scala.collection.mutable.ArrayOps#ofRef.emptyImpl$extension" - problemName=DirectMissingMethodProblem - }, - { - matchName="scala.collection.mutable.ArrayOps#ofChar.sliceImpl$extension" - problemName=DirectMissingMethodProblem - }, - { - matchName="scala.collection.mutable.ArrayOps#ofChar.emptyImpl$extension" - problemName=DirectMissingMethodProblem - }, - { - matchName="scala.collection.mutable.ArrayOps#ofUnit.sliceImpl$extension" - problemName=DirectMissingMethodProblem - }, - { - matchName="scala.collection.mutable.ArrayOps#ofUnit.emptyImpl$extension" - problemName=DirectMissingMethodProblem - }, - { - matchName="scala.collection.mutable.ArrayOps$ofBoolean" - problemName=MissingTypesProblem - }, - { - matchName="scala.collection.mutable.ArrayOps#ofBoolean.sliceImpl" - problemName=DirectMissingMethodProblem - }, - { - matchName="scala.collection.mutable.ArrayOps#ofBoolean.emptyImpl" - problemName=DirectMissingMethodProblem - }, - { - matchName="scala.collection.mutable.ArrayOps#ofShort.sliceImpl$extension" - problemName=DirectMissingMethodProblem - }, - { - matchName="scala.collection.mutable.ArrayOps#ofShort.emptyImpl$extension" - problemName=DirectMissingMethodProblem - }, - { - matchName="scala.collection.mutable.WrappedArray#ofShort.sliceImpl" - problemName=DirectMissingMethodProblem - }, - { - matchName="scala.collection.mutable.WrappedArray#ofShort.emptyImpl" - problemName=DirectMissingMethodProblem - }, - { - matchName="scala.collection.mutable.WrappedArray.sliceImpl" - problemName=DirectMissingMethodProblem - }, - { - matchName="scala.collection.mutable.WrappedArray.emptyImpl" - problemName=DirectMissingMethodProblem - }, - { - matchName="scala.collection.mutable.WrappedArray.slice" - problemName=IncompatibleResultTypeProblem - }, - { - matchName="scala.collection.mutable.WrappedArray#ofRef.sliceImpl" - problemName=DirectMissingMethodProblem - }, - { - matchName="scala.collection.mutable.WrappedArray#ofRef.emptyImpl" - problemName=DirectMissingMethodProblem - }, - { - matchName="scala.collection.mutable.WrappedArray#ofUnit.sliceImpl" - problemName=DirectMissingMethodProblem - }, - { - matchName="scala.collection.mutable.WrappedArray#ofUnit.emptyImpl" - problemName=DirectMissingMethodProblem - }, - { - matchName="scala.collection.mutable.ArrayOps#ofByte.sliceImpl$extension" - problemName=DirectMissingMethodProblem - }, - { - matchName="scala.collection.mutable.ArrayOps#ofByte.emptyImpl$extension" - problemName=DirectMissingMethodProblem - }, - { - matchName="scala.collection.mutable.ArrayOps#ofDouble.sliceImpl$extension" - problemName=DirectMissingMethodProblem - }, - { - matchName="scala.collection.mutable.ArrayOps#ofDouble.emptyImpl$extension" - problemName=DirectMissingMethodProblem - }, - { - matchName="scala.collection.mutable.ArrayOpsImpl" - problemName=MissingClassProblem - }, - { - matchName="scala.collection.mutable.WrappedArray#ofInt.sliceImpl" - problemName=DirectMissingMethodProblem - }, - { - matchName="scala.collection.mutable.WrappedArray#ofInt.emptyImpl" - problemName=DirectMissingMethodProblem - }, - { - matchName="scala.collection.mutable.ArrayOps$ofDouble" - problemName=MissingTypesProblem - }, - { - matchName="scala.collection.mutable.ArrayOps#ofDouble.sliceImpl" - problemName=DirectMissingMethodProblem - }, - { - matchName="scala.collection.mutable.ArrayOps#ofDouble.emptyImpl" - problemName=DirectMissingMethodProblem - }, - { - matchName="scala.collection.mutable.ArrayOps$ofRef" - problemName=MissingTypesProblem - }, - { - matchName="scala.collection.mutable.ArrayOps#ofRef.sliceImpl" - problemName=DirectMissingMethodProblem - }, - { - matchName="scala.collection.mutable.ArrayOps#ofRef.emptyImpl" - problemName=DirectMissingMethodProblem - }, - { - matchName="scala.collection.mutable.WrappedArray#ofLong.sliceImpl" - problemName=DirectMissingMethodProblem - }, - { - matchName="scala.collection.mutable.WrappedArray#ofLong.emptyImpl" - problemName=DirectMissingMethodProblem - }, - { - matchName="scala.collection.mutable.ArrayOps$ofByte" - problemName=MissingTypesProblem - }, - { - matchName="scala.collection.mutable.ArrayOps#ofByte.sliceImpl" - problemName=DirectMissingMethodProblem - }, - { - matchName="scala.collection.mutable.ArrayOps#ofByte.emptyImpl" - problemName=DirectMissingMethodProblem - }, - { - matchName="scala.collection.mutable.ArrayOps#ofFloat.sliceImpl$extension" - problemName=DirectMissingMethodProblem - }, - { - matchName="scala.collection.mutable.ArrayOps#ofFloat.emptyImpl$extension" - problemName=DirectMissingMethodProblem - }, - { - matchName="scala.collection.mutable.ArrayOps#ofLong.sliceImpl$extension" - problemName=DirectMissingMethodProblem - }, - { - matchName="scala.collection.mutable.ArrayOps#ofLong.emptyImpl$extension" - problemName=DirectMissingMethodProblem - }, - { - matchName="scala.collection.mutable.ArrayOps#ofBoolean.sliceImpl$extension" - problemName=DirectMissingMethodProblem - }, - { - matchName="scala.collection.mutable.ArrayOps#ofBoolean.emptyImpl$extension" - problemName=DirectMissingMethodProblem - }, - { - matchName="scala.collection.mutable.WrappedArray#ofFloat.sliceImpl" - problemName=DirectMissingMethodProblem - }, - { - matchName="scala.collection.mutable.WrappedArray#ofFloat.emptyImpl" - problemName=DirectMissingMethodProblem - }, - { - matchName="scala.collection.mutable.ArrayOps$ofLong" - problemName=MissingTypesProblem - }, - { - matchName="scala.collection.mutable.ArrayOps#ofLong.sliceImpl" - problemName=DirectMissingMethodProblem - }, - { - matchName="scala.collection.mutable.ArrayOps#ofLong.emptyImpl" - problemName=DirectMissingMethodProblem - }, - { - matchName="scala.collection.mutable.ArrayOps$ofFloat" - problemName=MissingTypesProblem - }, - { - matchName="scala.collection.mutable.ArrayOps#ofFloat.sliceImpl" - problemName=DirectMissingMethodProblem - }, - { - matchName="scala.collection.mutable.ArrayOps#ofFloat.emptyImpl" - problemName=DirectMissingMethodProblem } ] } diff --git a/src/library/scala/collection/mutable/ArrayOps.scala b/src/library/scala/collection/mutable/ArrayOps.scala index 04bb1074ea..00491ef20e 100644 --- a/src/library/scala/collection/mutable/ArrayOps.scala +++ b/src/library/scala/collection/mutable/ArrayOps.scala @@ -10,8 +10,6 @@ package scala package collection package mutable -import java.util - import scala.compat.Platform.arraycopy import scala.reflect.ClassTag import scala.runtime.ScalaRunTime._ @@ -177,23 +175,6 @@ trait ArrayOps[T] extends Any with ArrayLike[T, Array[T]] with CustomParalleliza } -/** to provide binary compat for 2.11 and 2.12 this class contains - * functionality that should be migrated to ArrayOps in 2.13 - * - */ -private[mutable] sealed trait ArrayOpsImpl[T] extends Any with ArrayOps[T] { - override final def slice(from: Int, until: Int): Array[T] = { - val start = if (from < 0) 0 else from - if (until <= start || start >= repr.length) - return emptyImpl - val end = if (until > length) length else until - sliceImpl(start, end) - } - protected def emptyImpl: Array[T] - protected def sliceImpl(from: Int, until: Int): Array[T] - -} - /** * A companion object for `ArrayOps`. * @@ -201,24 +182,12 @@ private[mutable] sealed trait ArrayOpsImpl[T] extends Any with ArrayOps[T] { */ object ArrayOps { - private val emptyByteArray = new Array[Byte](0) - private val emptyShortArray = new Array[Short](0) - private val emptyIntArray = new Array[Int](0) - private val emptyLongArray = new Array[Long](0) - private val emptyFloatArray = new Array[Float](0) - private val emptyDoubleArray = new Array[Double](0) - private val emptyUnitArray = new Array[Unit](0) - private val emptyCharArray = new Array[Char](0) - private val emptyBooleanArray = new Array[Boolean](0) - /** A class of `ArrayOps` for arrays containing reference types. */ - final class ofRef[T <: AnyRef](override val repr: Array[T]) extends AnyVal with ArrayOpsImpl[T] with ArrayLike[T, Array[T]] { + final class ofRef[T <: AnyRef](override val repr: Array[T]) extends AnyVal with ArrayOps[T] with ArrayLike[T, Array[T]] { override protected[this] def thisCollection: WrappedArray[T] = new WrappedArray.ofRef[T](repr) override protected[this] def toCollection(repr: Array[T]): WrappedArray[T] = new WrappedArray.ofRef[T](repr) override protected[this] def newBuilder = new ArrayBuilder.ofRef[T]()(ClassTag[T](arrayElementClass(repr.getClass))) - protected override def emptyImpl:Array[T] = util.Arrays.copyOf[T](repr,0) - protected override def sliceImpl(from: Int, until: Int): Array[T] = util.Arrays.copyOfRange[T](repr, from, until) def length: Int = repr.length def apply(index: Int): T = repr(index) @@ -226,13 +195,11 @@ object ArrayOps { } /** A class of `ArrayOps` for arrays containing `byte`s. */ -final class ofByte(override val repr: Array[Byte]) extends AnyVal with ArrayOpsImpl[Byte] with ArrayLike[Byte, Array[Byte]] { +final class ofByte(override val repr: Array[Byte]) extends AnyVal with ArrayOps[Byte] with ArrayLike[Byte, Array[Byte]] { override protected[this] def thisCollection: WrappedArray[Byte] = new WrappedArray.ofByte(repr) override protected[this] def toCollection(repr: Array[Byte]): WrappedArray[Byte] = new WrappedArray.ofByte(repr) override protected[this] def newBuilder = new ArrayBuilder.ofByte - protected override def emptyImpl = emptyByteArray - protected override def sliceImpl(from: Int, until: Int) = util.Arrays.copyOfRange(repr, from, until) def length: Int = repr.length def apply(index: Int): Byte = repr(index) @@ -240,13 +207,11 @@ final class ofByte(override val repr: Array[Byte]) extends AnyVal with ArrayOpsI } /** A class of `ArrayOps` for arrays containing `short`s. */ -final class ofShort(override val repr: Array[Short]) extends AnyVal with ArrayOpsImpl[Short] with ArrayLike[Short, Array[Short]] { +final class ofShort(override val repr: Array[Short]) extends AnyVal with ArrayOps[Short] with ArrayLike[Short, Array[Short]] { override protected[this] def thisCollection: WrappedArray[Short] = new WrappedArray.ofShort(repr) override protected[this] def toCollection(repr: Array[Short]): WrappedArray[Short] = new WrappedArray.ofShort(repr) override protected[this] def newBuilder = new ArrayBuilder.ofShort - protected override def emptyImpl = emptyShortArray - protected override def sliceImpl(from: Int, until: Int) = util.Arrays.copyOfRange(repr, from, until) def length: Int = repr.length def apply(index: Int): Short = repr(index) @@ -254,13 +219,11 @@ final class ofShort(override val repr: Array[Short]) extends AnyVal with ArrayOp } /** A class of `ArrayOps` for arrays containing `char`s. */ -final class ofChar(override val repr: Array[Char]) extends AnyVal with ArrayOpsImpl[Char] with ArrayLike[Char, Array[Char]] { +final class ofChar(override val repr: Array[Char]) extends AnyVal with ArrayOps[Char] with ArrayLike[Char, Array[Char]] { override protected[this] def thisCollection: WrappedArray[Char] = new WrappedArray.ofChar(repr) override protected[this] def toCollection(repr: Array[Char]): WrappedArray[Char] = new WrappedArray.ofChar(repr) override protected[this] def newBuilder = new ArrayBuilder.ofChar - protected override def emptyImpl = emptyCharArray - protected override def sliceImpl(from: Int, until: Int) = util.Arrays.copyOfRange(repr, from, until) def length: Int = repr.length def apply(index: Int): Char = repr(index) @@ -268,13 +231,11 @@ final class ofChar(override val repr: Array[Char]) extends AnyVal with ArrayOpsI } /** A class of `ArrayOps` for arrays containing `int`s. */ -final class ofInt(override val repr: Array[Int]) extends AnyVal with ArrayOpsImpl[Int] with ArrayLike[Int, Array[Int]] { +final class ofInt(override val repr: Array[Int]) extends AnyVal with ArrayOps[Int] with ArrayLike[Int, Array[Int]] { override protected[this] def thisCollection: WrappedArray[Int] = new WrappedArray.ofInt(repr) override protected[this] def toCollection(repr: Array[Int]): WrappedArray[Int] = new WrappedArray.ofInt(repr) override protected[this] def newBuilder = new ArrayBuilder.ofInt - protected override def emptyImpl = emptyIntArray - protected override def sliceImpl(from: Int, until: Int) = util.Arrays.copyOfRange(repr, from, until) def length: Int = repr.length def apply(index: Int): Int = repr(index) @@ -282,13 +243,11 @@ final class ofInt(override val repr: Array[Int]) extends AnyVal with ArrayOpsImp } /** A class of `ArrayOps` for arrays containing `long`s. */ -final class ofLong(override val repr: Array[Long]) extends AnyVal with ArrayOpsImpl[Long] with ArrayLike[Long, Array[Long]] { +final class ofLong(override val repr: Array[Long]) extends AnyVal with ArrayOps[Long] with ArrayLike[Long, Array[Long]] { override protected[this] def thisCollection: WrappedArray[Long] = new WrappedArray.ofLong(repr) override protected[this] def toCollection(repr: Array[Long]): WrappedArray[Long] = new WrappedArray.ofLong(repr) override protected[this] def newBuilder = new ArrayBuilder.ofLong - protected override def emptyImpl = emptyLongArray - protected override def sliceImpl(from: Int, until: Int) = util.Arrays.copyOfRange(repr, from, until) def length: Int = repr.length def apply(index: Int): Long = repr(index) @@ -296,13 +255,11 @@ final class ofLong(override val repr: Array[Long]) extends AnyVal with ArrayOpsI } /** A class of `ArrayOps` for arrays containing `float`s. */ -final class ofFloat(override val repr: Array[Float]) extends AnyVal with ArrayOpsImpl[Float] with ArrayLike[Float, Array[Float]] { +final class ofFloat(override val repr: Array[Float]) extends AnyVal with ArrayOps[Float] with ArrayLike[Float, Array[Float]] { override protected[this] def thisCollection: WrappedArray[Float] = new WrappedArray.ofFloat(repr) override protected[this] def toCollection(repr: Array[Float]): WrappedArray[Float] = new WrappedArray.ofFloat(repr) override protected[this] def newBuilder = new ArrayBuilder.ofFloat - protected override def emptyImpl = emptyFloatArray - protected override def sliceImpl(from: Int, until: Int) = util.Arrays.copyOfRange(repr, from, until) def length: Int = repr.length def apply(index: Int): Float = repr(index) @@ -310,13 +267,11 @@ final class ofFloat(override val repr: Array[Float]) extends AnyVal with ArrayOp } /** A class of `ArrayOps` for arrays containing `double`s. */ -final class ofDouble(override val repr: Array[Double]) extends AnyVal with ArrayOpsImpl[Double] with ArrayLike[Double, Array[Double]] { +final class ofDouble(override val repr: Array[Double]) extends AnyVal with ArrayOps[Double] with ArrayLike[Double, Array[Double]] { override protected[this] def thisCollection: WrappedArray[Double] = new WrappedArray.ofDouble(repr) override protected[this] def toCollection(repr: Array[Double]): WrappedArray[Double] = new WrappedArray.ofDouble(repr) override protected[this] def newBuilder = new ArrayBuilder.ofDouble - protected override def emptyImpl = emptyDoubleArray - protected override def sliceImpl(from: Int, until: Int) = util.Arrays.copyOfRange(repr, from, until) def length: Int = repr.length def apply(index: Int): Double = repr(index) @@ -324,13 +279,11 @@ final class ofDouble(override val repr: Array[Double]) extends AnyVal with Array } /** A class of `ArrayOps` for arrays containing `boolean`s. */ -final class ofBoolean(override val repr: Array[Boolean]) extends AnyVal with ArrayOpsImpl[Boolean] with ArrayLike[Boolean, Array[Boolean]] { +final class ofBoolean(override val repr: Array[Boolean]) extends AnyVal with ArrayOps[Boolean] with ArrayLike[Boolean, Array[Boolean]] { override protected[this] def thisCollection: WrappedArray[Boolean] = new WrappedArray.ofBoolean(repr) override protected[this] def toCollection(repr: Array[Boolean]): WrappedArray[Boolean] = new WrappedArray.ofBoolean(repr) override protected[this] def newBuilder = new ArrayBuilder.ofBoolean - protected override def emptyImpl = emptyBooleanArray - protected override def sliceImpl(from: Int, until: Int) = util.Arrays.copyOfRange(repr, from, until) def length: Int = repr.length def apply(index: Int): Boolean = repr(index) @@ -338,18 +291,11 @@ final class ofBoolean(override val repr: Array[Boolean]) extends AnyVal with Arr } /** A class of `ArrayOps` for arrays of `Unit` types. */ -final class ofUnit(override val repr: Array[Unit]) extends AnyVal with ArrayOpsImpl[Unit] with ArrayLike[Unit, Array[Unit]] { +final class ofUnit(override val repr: Array[Unit]) extends AnyVal with ArrayOps[Unit] with ArrayLike[Unit, Array[Unit]] { override protected[this] def thisCollection: WrappedArray[Unit] = new WrappedArray.ofUnit(repr) override protected[this] def toCollection(repr: Array[Unit]): WrappedArray[Unit] = new WrappedArray.ofUnit(repr) override protected[this] def newBuilder = new ArrayBuilder.ofUnit - protected override def emptyImpl = emptyUnitArray - protected override def sliceImpl(from: Int, until: Int) = { - // cant use util.Arrays.copyOfRange[Unit](repr, from, until) - Unit is special and doesnt compile - val res = new Array[Unit](until-from) - System.arraycopy(repr, from, res, 0, res.size) - res - } def length: Int = repr.length def apply(index: Int): Unit = repr(index) diff --git a/src/library/scala/collection/mutable/WrappedArray.scala b/src/library/scala/collection/mutable/WrappedArray.scala index 81e0e64fb2..8740bda835 100644 --- a/src/library/scala/collection/mutable/WrappedArray.scala +++ b/src/library/scala/collection/mutable/WrappedArray.scala @@ -72,17 +72,6 @@ extends AbstractSeq[T] else super.toArray[U] } - override def slice(from: Int, until: Int): WrappedArray[T] = { - val start = if (from < 0) 0 else from - if (until <= start || start >= repr.length) - return emptyImpl - val end = if (until > length) length else until - sliceImpl(start, end) - } - //retain existing functionallity for existing implementations outside this file - protected def emptyImpl: WrappedArray[T] = newBuilder.result() - //retain existing functionallity for existing implementations outside this file - protected def sliceImpl(from: Int, until: Int): WrappedArray[T] = super.slice(from, until) override def stringPrefix = "WrappedArray" @@ -99,7 +88,6 @@ extends AbstractSeq[T] /** A companion object used to create instances of `WrappedArray`. */ object WrappedArray { - import java.util // This is reused for all calls to empty. private val EmptyWrappedArray = new ofRef[AnyRef](new Array[AnyRef](0)) def empty[T <: AnyRef]: WrappedArray[T] = EmptyWrappedArray.asInstanceOf[WrappedArray[T]] @@ -133,23 +121,11 @@ object WrappedArray { def newBuilder[A]: Builder[A, IndexedSeq[A]] = new ArrayBuffer - private val emptyWrappedByte = new ofByte(new Array[Byte](0)) - private val emptyWrappedShort = new ofShort(new Array[Short](0)) - private val emptyWrappedInt = new ofInt(new Array[Int](0)) - private val emptyWrappedLong = new ofLong(new Array[Long](0)) - private val emptyWrappedFloat = new ofFloat(new Array[Float](0)) - private val emptyWrappedDouble = new ofDouble(new Array[Double](0)) - private val emptyWrappedUnit = new ofUnit(new Array[Unit](0)) - private val emptyWrappedChar = new ofChar(new Array[Char](0)) - private val emptyWrappedBoolean = new ofBoolean(new Array[Boolean](0)) - final class ofRef[T <: AnyRef](val array: Array[T]) extends WrappedArray[T] with Serializable { lazy val elemTag = ClassTag[T](arrayElementClass(array.getClass)) def length: Int = array.length def apply(index: Int): T = array(index).asInstanceOf[T] def update(index: Int, elem: T) { array(index) = elem } - protected override def emptyImpl = new ofRef(util.Arrays.copyOf[T](array,0)) - protected override def sliceImpl(from: Int, until: Int) = new ofRef[T](util.Arrays.copyOfRange[T](array, from, until)) } final class ofByte(val array: Array[Byte]) extends WrappedArray[Byte] with Serializable { @@ -157,8 +133,6 @@ object WrappedArray { def length: Int = array.length def apply(index: Int): Byte = array(index) def update(index: Int, elem: Byte) { array(index) = elem } - protected override def emptyImpl = emptyWrappedByte - protected override def sliceImpl(from: Int, until: Int) = new ofByte(util.Arrays.copyOfRange(array, from, until)) } final class ofShort(val array: Array[Short]) extends WrappedArray[Short] with Serializable { @@ -166,8 +140,6 @@ object WrappedArray { def length: Int = array.length def apply(index: Int): Short = array(index) def update(index: Int, elem: Short) { array(index) = elem } - protected override def emptyImpl = emptyWrappedShort - protected override def sliceImpl(from: Int, until: Int) = new ofShort(util.Arrays.copyOfRange(array, from, until)) } final class ofChar(val array: Array[Char]) extends WrappedArray[Char] with Serializable { @@ -175,8 +147,6 @@ object WrappedArray { def length: Int = array.length def apply(index: Int): Char = array(index) def update(index: Int, elem: Char) { array(index) = elem } - protected override def emptyImpl = emptyWrappedChar - protected override def sliceImpl(from: Int, until: Int) = new ofChar(util.Arrays.copyOfRange(array, from, until)) } final class ofInt(val array: Array[Int]) extends WrappedArray[Int] with Serializable { @@ -184,8 +154,6 @@ object WrappedArray { def length: Int = array.length def apply(index: Int): Int = array(index) def update(index: Int, elem: Int) { array(index) = elem } - protected override def emptyImpl = emptyWrappedInt - protected override def sliceImpl(from: Int, until: Int) = new ofInt(util.Arrays.copyOfRange(array, from, until)) } final class ofLong(val array: Array[Long]) extends WrappedArray[Long] with Serializable { @@ -193,8 +161,6 @@ object WrappedArray { def length: Int = array.length def apply(index: Int): Long = array(index) def update(index: Int, elem: Long) { array(index) = elem } - protected override def emptyImpl = emptyWrappedLong - protected override def sliceImpl(from: Int, until: Int) = new ofLong(util.Arrays.copyOfRange(array, from, until)) } final class ofFloat(val array: Array[Float]) extends WrappedArray[Float] with Serializable { @@ -202,8 +168,6 @@ object WrappedArray { def length: Int = array.length def apply(index: Int): Float = array(index) def update(index: Int, elem: Float) { array(index) = elem } - protected override def emptyImpl = emptyWrappedFloat - protected override def sliceImpl(from: Int, until: Int) = new ofFloat(util.Arrays.copyOfRange(array, from, until)) } final class ofDouble(val array: Array[Double]) extends WrappedArray[Double] with Serializable { @@ -211,8 +175,6 @@ object WrappedArray { def length: Int = array.length def apply(index: Int): Double = array(index) def update(index: Int, elem: Double) { array(index) = elem } - protected override def emptyImpl = emptyWrappedDouble - protected override def sliceImpl(from: Int, until: Int) = new ofDouble(util.Arrays.copyOfRange(array, from, until)) } final class ofBoolean(val array: Array[Boolean]) extends WrappedArray[Boolean] with Serializable { @@ -220,8 +182,6 @@ object WrappedArray { def length: Int = array.length def apply(index: Int): Boolean = array(index) def update(index: Int, elem: Boolean) { array(index) = elem } - protected override def emptyImpl = emptyWrappedBoolean - protected override def sliceImpl(from: Int, until: Int) = new ofBoolean(util.Arrays.copyOfRange(array, from, until)) } final class ofUnit(val array: Array[Unit]) extends WrappedArray[Unit] with Serializable { @@ -229,14 +189,5 @@ object WrappedArray { def length: Int = array.length def apply(index: Int): Unit = array(index) def update(index: Int, elem: Unit) { array(index) = elem } - protected override def emptyImpl = emptyWrappedUnit - protected override def sliceImpl(from: Int, until: Int) = { - // cant use - // new ofUnit(util.Arrays.copyOfRange[Unit](array, from, until)) - Unit is special and doesnt compile - // cant use util.Arrays.copyOfRange[Unit](repr, from, until) - Unit is special and doesnt compile - val res = new Array[Unit](until-from) - System.arraycopy(repr, from, res, 0, until-from) - new ofUnit(res) - } } } -- cgit v1.2.3