| /* |
| * Copyright 2010-2021 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.js |
| |
| internal fun numberToByte(a: dynamic): Byte = toByte(numberToInt(a)) |
| |
| internal fun numberToDouble(@Suppress("UNUSED_PARAMETER") a: dynamic): Double = js("+a").unsafeCast<Double>() |
| |
| internal fun numberToInt(a: dynamic): Int = if (a is Long) a.toInt() else doubleToInt(a) |
| |
| internal fun numberToShort(a: dynamic): Short = toShort(numberToInt(a)) |
| |
| // << and >> shifts are used to preserve sign of the number |
| internal fun toByte(@Suppress("UNUSED_PARAMETER") a: dynamic): Byte = js("a << 24 >> 24").unsafeCast<Byte>() |
| internal fun toShort(@Suppress("UNUSED_PARAMETER") a: dynamic): Short = js("a << 16 >> 16").unsafeCast<Short>() |
| |
| internal fun numberToLong(a: dynamic): Long = if (a is Long) a else fromNumber(a) |
| |
| internal fun toLong(a: dynamic): Long = fromInt(a) |
| |
| @OptIn(JsIntrinsic::class) |
| internal fun doubleToInt(a: Double): Int = when { |
| a > 2147483647 -> 2147483647 |
| a < -2147483648 -> -2147483648 |
| else -> jsBitOr(a, 0) |
| } |
| |
| internal fun numberToChar(a: dynamic) = Char(numberToInt(a).toUShort()) |
