| /* |
| * Copyright 2010-2018 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 annotation class DoNotIntrinsify |
| |
| @PublishedApi |
| @DoNotIntrinsify |
| internal fun charSequenceGet(a: CharSequence, index: Int): Char { |
| return if (isString(a)) { |
| Char(a.asDynamic().charCodeAt(index).unsafeCast<Int>()) |
| } else { |
| a[index] |
| } |
| } |
| |
| @PublishedApi |
| @DoNotIntrinsify |
| internal fun charSequenceLength(a: CharSequence): Int { |
| return if (isString(a)) { |
| a.asDynamic().length.unsafeCast<Int>() |
| } else { |
| a.length |
| } |
| } |
| |
| @PublishedApi |
| @DoNotIntrinsify |
| internal fun charSequenceSubSequence(a: CharSequence, startIndex: Int, endIndex: Int): CharSequence { |
| return if (isString(a)) { |
| a.asDynamic().substring(startIndex, endIndex).unsafeCast<String>() |
| } else { |
| a.subSequence(startIndex, endIndex) |
| } |
| } |
| |
| // Keeping this function as separate non-inline to intrincify `is` operator |
| internal fun isString(a: CharSequence) = a is String |
