github-repos/mirai
1
0
Fork 0
mirror of https://github.com/mamoe/mirai.git synced 2025-04-25 04:50:26 +08:00
Code Issues Packages Projects Releases Wiki Activity

Improve Throwable.unwrap on Android: improve performance

Browse Source
This commit is contained in:
Him188 2021-07-16 15:35:10 +08:00
parent 2a641415a7
commit 8d41e18cdc
1 changed files with 8 additions and 4 deletions

12
mirai-core-utils/src/androidMain/kotlin/Actuals.kt
View File

@ -23,13 +23,17 @@ public actual fun String.decodeBase64(): ByteArray {
return Base64.decode(this, Base64.DEFAULT)
}
@PublishedApi
internal class StacktraceException(override val message: String?, private val stacktrace: Array<StackTraceElement>) :
Exception(message, null, true, false) {
override fun fillInStackTrace(): Throwable = this
override fun getStackTrace(): Array<StackTraceElement> = stacktrace
}
public actual inline fun <reified E> Throwable.unwrap(): Throwable {
if (this !is E) return this
if (suppressed.isNotEmpty()) return this
val e =
Exception("unwrapped exception: $this").also { // Android JDK could not resolve circular references so we copy one.
it.stackTrace = this.stackTrace
}
val e = StacktraceException("Unwrapped exception: $this", this.stackTrace)
return this.findCause { it !is E }
?.also { it.addSuppressed(e) }
?: this