Ilya Gorbunov
100 lines
4.0 KiB
Kotlin
100 lines
4.0 KiB
Kotlin
/*
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* Copyright 2010-2018 JetBrains s.r.o. and Kotlin Programming Language contributors.
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* Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
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*/
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package kotlin.js
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import withType
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@PublishedApi
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internal external fun <T> Array(size: Int): Array<T>
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@PublishedApi
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internal fun <T> fillArrayVal(array: Array<T>, initValue: T): Array<T> {
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for (i in 0..array.size - 1) {
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array[i] = initValue
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}
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return array
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}
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internal inline fun <T> arrayWithFun(size: Int, init: (Int) -> T) = fillArrayFun(Array<T>(size), init)
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internal inline fun <T> fillArrayFun(array: dynamic, init: (Int) -> T): Array<T> {
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val result = array.unsafeCast<Array<T>>()
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var i = 0
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while (i != result.size) {
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result[i] = init(i)
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++i
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}
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return result
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}
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internal fun booleanArray(size: Int): BooleanArray = withType("BooleanArray", fillArrayVal(Array<Boolean>(size), false)).unsafeCast<BooleanArray>()
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internal fun booleanArrayOf(arr: Array<Boolean>): BooleanArray = withType("BooleanArray", arr.asDynamic().slice()).unsafeCast<BooleanArray>()
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@Suppress("UNUSED_PARAMETER")
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internal fun charArray(size: Int): CharArray = withType("CharArray", js("new Uint16Array(size)")).unsafeCast<CharArray>()
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@Suppress("UNUSED_PARAMETER")
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internal fun charArrayOf(arr: Array<Char>): CharArray = withType("CharArray", js("new Uint16Array(arr)")).unsafeCast<CharArray>()
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internal fun longArray(size: Int): LongArray = withType("LongArray", fillArrayVal(Array<Long>(size), 0L)).unsafeCast<LongArray>()
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internal fun longArrayOf(arr: Array<Long>): LongArray = withType("LongArray", arr.asDynamic().slice()).unsafeCast<LongArray>()
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internal fun <T> arrayIterator(array: Array<T>) = object : Iterator<T> {
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var index = 0
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override fun hasNext() = index != array.size
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override fun next() = if (index != array.size) array[index++] else throw NoSuchElementException("$index")
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}
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internal fun booleanArrayIterator(array: BooleanArray) = object : BooleanIterator() {
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var index = 0
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override fun hasNext() = index != array.size
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override fun nextBoolean() = if (index != array.size) array[index++] else throw NoSuchElementException("$index")
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}
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internal fun byteArrayIterator(array: ByteArray) = object : ByteIterator() {
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var index = 0
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override fun hasNext() = index != array.size
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override fun nextByte() = if (index != array.size) array[index++] else throw NoSuchElementException("$index")
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}
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internal fun shortArrayIterator(array: ShortArray) = object : ShortIterator() {
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var index = 0
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override fun hasNext() = index != array.size
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override fun nextShort() = if (index != array.size) array[index++] else throw NoSuchElementException("$index")
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}
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internal fun charArrayIterator(array: CharArray) = object : CharIterator() {
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var index = 0
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override fun hasNext() = index != array.size
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override fun nextChar() = if (index != array.size) array[index++] else throw NoSuchElementException("$index")
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}
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internal fun intArrayIterator(array: IntArray) = object : IntIterator() {
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var index = 0
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override fun hasNext() = index != array.size
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override fun nextInt() = if (index != array.size) array[index++] else throw NoSuchElementException("$index")
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}
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internal fun floatArrayIterator(array: FloatArray) = object : FloatIterator() {
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var index = 0
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override fun hasNext() = index != array.size
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override fun nextFloat() = if (index != array.size) array[index++] else throw NoSuchElementException("$index")
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}
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internal fun doubleArrayIterator(array: DoubleArray) = object : DoubleIterator() {
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var index = 0
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override fun hasNext() = index != array.size
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override fun nextDouble() = if (index != array.size) array[index++] else throw NoSuchElementException("$index")
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}
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internal fun longArrayIterator(array: LongArray) = object : LongIterator() {
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var index = 0
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override fun hasNext() = index != array.size
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override fun nextLong() = if (index != array.size) array[index++] else throw NoSuchElementException("$index")
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}
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