Abduqodiri Qurbonzoda
112 lines
3.2 KiB
Kotlin
112 lines
3.2 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.io
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internal abstract class BaseOutput {
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open fun println() {
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print("\n")
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}
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open fun println(message: Any?) {
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print(message)
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println()
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}
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abstract fun print(message: Any?)
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open fun flush() {}
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}
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/** JsName used to make the declaration available outside of module to test it */
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@JsName("NodeJsOutput")
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internal class NodeJsOutput(val outputStream: dynamic) : BaseOutput() {
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override fun print(message: Any?) {
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// TODO: Using local variable because of bug in block decomposition lowering in IR backend
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val messageString = String(message)
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outputStream.write(messageString)
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}
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}
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/** JsName used to make the declaration available outside of module to test it */
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@JsName("OutputToConsoleLog")
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internal class OutputToConsoleLog : BaseOutput() {
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override fun print(message: Any?) {
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console.log(message)
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}
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override fun println(message: Any?) {
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console.log(message)
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}
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override fun println() {
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console.log("")
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}
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}
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/** JsName used to make the declaration available outside of module to test it and use at try.kotl.in */
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@JsName("BufferedOutput")
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internal open class BufferedOutput : BaseOutput() {
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var buffer = ""
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override fun print(message: Any?) {
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buffer += String(message)
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}
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override fun flush() {
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buffer = ""
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}
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}
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/** JsName used to make the declaration available outside of module to test it */
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@JsName("BufferedOutputToConsoleLog")
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internal class BufferedOutputToConsoleLog : BufferedOutput() {
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override fun print(message: Any?) {
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var s = String(message)
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val i = s.nativeLastIndexOf("\n", 0)
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if (i >= 0) {
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buffer += s.substring(0, i)
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flush()
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s = s.substring(i + 1)
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}
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buffer += s
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}
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override fun flush() {
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console.log(buffer)
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buffer = ""
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}
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}
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/** JsName used to make the declaration available outside of module to test it and use at try.kotl.in */
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@JsName("output")
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internal var output = run {
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val isNode: Boolean = js("typeof process !== 'undefined' && process.versions && !!process.versions.node")
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if (isNode) NodeJsOutput(js("process.stdout")) else BufferedOutputToConsoleLog()
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}
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@kotlin.internal.InlineOnly
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private inline fun String(value: Any?): String = js("String")(value)
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/** Prints the line separator to the standard output stream. */
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public actual fun println() {
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output.println()
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}
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/** Prints the given [message] and the line separator to the standard output stream. */
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public actual fun println(message: Any?) {
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output.println(message)
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}
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/** Prints the given [message] to the standard output stream. */
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public actual fun print(message: Any?) {
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output.print(message)
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}
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@SinceKotlin("1.6")
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public actual fun readln(): String = throw UnsupportedOperationException("readln is not supported in Kotlin/JS")
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@SinceKotlin("1.6")
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public actual fun readlnOrNull(): String? = throw UnsupportedOperationException("readlnOrNull is not supported in Kotlin/JS") |