.kotlinx.kotlinx-coroutines-debug.1.10.1.source-code.Attach.kt Maven / Gradle / Ivy

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Coroutines support libraries for Kotlin

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@file:Suppress("unused")
package kotlinx.coroutines.debug

import net.bytebuddy.*
import net.bytebuddy.agent.*
import net.bytebuddy.dynamic.loading.*

/*
 * This class is used reflectively from kotlinx-coroutines-core when this module is present in the classpath.
 * It is a substitute for service loading.
 */
internal class ByteBuddyDynamicAttach : Function1 {
    override fun invoke(value: Boolean) {
        if (value) attach() else detach()
    }

    private fun attach() {
        ByteBuddyAgent.install(ByteBuddyAgent.AttachmentProvider.ForEmulatedAttachment.INSTANCE)
        val cl = Class.forName("kotlin.coroutines.jvm.internal.DebugProbesKt")
        val cl2 = Class.forName("kotlinx.coroutines.debug.internal.DebugProbesKt")

        ByteBuddy()
            .redefine(cl2)
            .name(cl.name)
            .make()
            .load(cl.classLoader, ClassReloadingStrategy.fromInstalledAgent())
    }

    private fun detach() {
        val cl = Class.forName("kotlin.coroutines.jvm.internal.DebugProbesKt")
        val cl2 = Class.forName("kotlinx.coroutines.debug.NoOpProbesKt")
        ByteBuddy()
            .redefine(cl2)
            .name(cl.name)
            .make()
            .load(cl.classLoader, ClassReloadingStrategy.fromInstalledAgent())
    }
}