[WASM] Workaround about call toTypedArray on AbstractCollection

This commit is contained in:
Igor Yakovlev
2022-01-28 19:13:21 +01:00
parent c3a6d0b499
commit 195513d4f2
3 changed files with 77 additions and 31 deletions
@@ -0,0 +1,37 @@
/*
* Copyright 2010-2022 JetBrains s.r.o. and Kotlin Programming Language contributors.
* Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
*/
package kotlin.collections
/**
* Returns a *typed* array containing all of the elements of this collection.
*
* Allocates an array of runtime type `T` having its size equal to the size of this collection
* and populates the array with the elements of this collection.
* @sample samples.collections.Collections.Collections.collectionToTypedArray
*/
public actual inline fun <reified T> Collection<T>.toTypedArray(): Array<T> {
val result = arrayOfNulls<T>(size)
var index = 0
for (element in this) result[index++] = element
@Suppress("UNCHECKED_CAST")
return result as Array<T>
}
@Suppress("UNCHECKED_CAST")
internal actual fun <T> copyToArrayImpl(collection: Collection<*>, array: Array<T>): Array<T> {
if (array.size < collection.size)
return copyToArrayImpl(collection) as Array<T>
val iterator = collection.iterator()
var index = 0
while (iterator.hasNext()) {
array[index++] = iterator.next() as T
}
if (index < array.size) {
return array.copyOf(index) as Array<T>
}
return array
}
@@ -93,37 +93,6 @@ internal actual fun copyToArrayImpl(collection: Collection<*>): Array<Any?> {
return array
}
@Suppress("UNCHECKED_CAST")
internal actual fun <T> copyToArrayImpl(collection: Collection<*>, array: Array<T>): Array<T> {
if (array.size < collection.size)
return copyToArrayImpl(collection) as Array<T>
val iterator = collection.iterator()
var index = 0
while (iterator.hasNext()) {
array[index++] = iterator.next() as T
}
if (index < array.size) {
return array.copyOf(index) as Array<T>
}
return array
}
/**
* Returns a *typed* array containing all of the elements of this collection.
*
* Allocates an array of runtime type `T` having its size equal to the size of this collection
* and populates the array with the elements of this collection.
* @sample samples.collections.Collections.Collections.collectionToTypedArray
*/
public actual inline fun <reified T> Collection<T>.toTypedArray(): Array<T> {
val result = arrayOfNulls<T>(size)
var index = 0
for (element in this) result[index++] = element
@Suppress("UNCHECKED_CAST")
return result as Array<T>
}
/**
* Returns a new array which is a copy of the original array with new elements filled with null values.
*/
@@ -0,0 +1,40 @@
/*
* Copyright 2010-2022 JetBrains s.r.o. and Kotlin Programming Language contributors.
* Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
*/
package kotlin.collections
/**
* Returns a *typed* array containing all of the elements of this collection.
*
* Allocates an array of runtime type `T` having its size equal to the size of this collection
* and populates the array with the elements of this collection.
* @sample samples.collections.Collections.Collections.collectionToTypedArray
*/
@kotlin.internal.InlineOnly
public actual inline fun <T> Collection<T>.toTypedArray(): Array<T> = copyToArray(this)
@PublishedApi
internal fun <T> copyToArray(collection: Collection<T>): Array<T> =
if (collection is AbstractCollection<T>)
//TODO: Find more proper way to call abstract collection's toArray
@Suppress("INVISIBLE_MEMBER") collection.toArray() as Array<T>
else
copyToArrayImpl(collection) as Array<T>
@Suppress("UNCHECKED_CAST")
internal actual fun <T> copyToArrayImpl(collection: Collection<*>, array: Array<T>): Array<T> {
if (array.size < collection.size)
return copyToArrayImpl(collection) as Array<T>
val iterator = collection.iterator()
var index = 0
while (iterator.hasNext()) {
array[index++] = iterator.next() as T
}
if (index < array.size) {
(array as Array<T?>).fill(null, index)
}
return array
}