Igor Yakovlev
44 lines
1.5 KiB
Kotlin
44 lines
1.5 KiB
Kotlin
/*
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* Copyright 2010-2022 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
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import kotlin.wasm.internal.ExternalInterfaceType
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import kotlin.wasm.internal.jsToKotlinStringAdapter
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/**
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* The base class for all errors and exceptions. Only instances of this class can be thrown or caught.
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*
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* @param message the detail message string.
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* @param cause the cause of this throwable.
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*/
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public open class Throwable(open val message: String?, open val cause: kotlin.Throwable?) {
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constructor(message: String?) : this(message, null)
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constructor(cause: Throwable?) : this(cause?.toString(), cause)
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constructor() : this(null, null)
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private val jsStack: ExternalInterfaceType = captureStackTrace()
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internal val stack: String by lazy {
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jsToKotlinStringAdapter(jsStack).removePrefix("Error\n")
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}
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internal var suppressedExceptionsList: MutableList<Throwable>? = null
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/**
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* Returns the short description of this throwable consisting of the exception class name
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* followed by the exception message if it is not null.
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*/
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public override fun toString(): String {
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val kClass = this::class
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val s = kClass.simpleName ?: "Throwable"
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return if (message != null) s + ": " + message.toString() else s
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}
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}
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@JsFun("() => new Error().stack")
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private external fun captureStackTrace(): ExternalInterfaceType |