Update Kotlin to 2.0.x (#1093)

Fixes [SKIKO-1039](https://youtrack.jetbrains.com/issue/SKIKO-1039)
Update Skiko project to K2

- Update Kotlin to 2.0.10
- Fix `InteropPointer` declaration
- Fix warnings

.gitignore

 build
 .gradle
+.kotlin
 .project
 local.properties
 .DS_Store

skiko/build.gradle.kts

@@ -6,6 +6,10 @@ import tasks.configuration.*
 import kotlin.collections.HashMap
 import com.android.build.gradle.LibraryExtension
 import com.android.build.gradle.LibraryPlugin
+import org.jetbrains.kotlin.gradle.dsl.JvmTarget
+import org.jetbrains.kotlin.gradle.dsl.KotlinJsCompile
+import org.jetbrains.kotlin.gradle.tasks.KotlinCompilationTask
+import org.jetbrains.kotlin.gradle.tasks.KotlinNativeCompile
 
 plugins {
     kotlin("multiplatform")
@@ -59,7 +63,9 @@ kotlin {
     if (supportAwt) {
         jvm("awt") {
             compilations.all {
-                kotlinOptions.jvmTarget = "1.8"
+                compileTaskProvider.configure {
+                    compilerOptions.jvmTarget.set(JvmTarget.JVM_1_8)
+                }
             }
             generateVersion(targetOs, targetArch, skiko)
         }
@@ -70,7 +76,9 @@ kotlin {
             publishLibraryVariants("release")
 
             compilations.all {
-                kotlinOptions.jvmTarget = "1.8"
+                compileTaskProvider.configure {
+                    compilerOptions.jvmTarget.set(JvmTarget.JVM_1_8)
+                }
             }
 
             // Keep the previously defined attribute that was used to distinguish JVM and android variant
@@ -199,6 +207,7 @@ kotlin {
         }
 
         val jvmTest by creating {
+            dependsOn(commonTest)
             dependencies {
                 implementation("org.jetbrains.kotlinx:kotlinx-coroutines-test:$coroutinesVersion")
                 implementation(kotlin("test-junit"))
@@ -629,10 +638,10 @@ tasks.withType<JavaCompile> {
     sourceCompatibility = "1.8"
 }
 
-project.tasks.withType<org.jetbrains.kotlin.gradle.dsl.KotlinJsCompile>().configureEach {
-    kotlinOptions.freeCompilerArgs += listOf(
+project.tasks.withType<KotlinJsCompile>().configureEach {
+    compilerOptions.freeCompilerArgs.addAll(listOf(
         "-Xwasm-enable-array-range-checks", "-Xir-dce=true", "-Xskip-prerelease-check",
-    )
+    ))
 }
 
 tasks.findByName("publishSkikoWasmRuntimePublicationToComposeRepoRepository")
@@ -641,12 +650,12 @@ tasks.findByName("publishSkikoWasmRuntimePublicationToMavenLocal")
     ?.dependsOn("publishWasmJsPublicationToMavenLocal")
 
 
-tasks.withType<org.jetbrains.kotlin.gradle.tasks.KotlinNativeCompile>().configureEach {
+tasks.withType<KotlinNativeCompile>().configureEach {
     // https://youtrack.jetbrains.com/issue/KT-56583
     compilerOptions.freeCompilerArgs.add("-XXLanguage:+ImplicitSignedToUnsignedIntegerConversion")
-    kotlinOptions.freeCompilerArgs += "-opt-in=kotlinx.cinterop.ExperimentalForeignApi"
+    compilerOptions.freeCompilerArgs.add("-opt-in=kotlinx.cinterop.ExperimentalForeignApi")
 }
 
-tasks.withType<org.jetbrains.kotlin.gradle.dsl.KotlinCompile<*>>().configureEach {
-    kotlinOptions.freeCompilerArgs += "-Xexpect-actual-classes"
+tasks.withType<KotlinCompilationTask<*>>().configureEach {
+    compilerOptions.freeCompilerArgs.add("-Xexpect-actual-classes")
 }

skiko/buildSrc/gradle.properties

-kotlin.version=1.9.21
+kotlin.version=2.0.10

skiko/gradle.properties

@@ -2,6 +2,7 @@ org.gradle.jvmargs=-Xmx4G -XX:MaxMetaspaceSize=512m
 
 kotlin.code.style=official
 kotlin.mpp.applyDefaultHierarchyTemplate=false
+kotlin.mpp.enableCInteropCommonization=true
 
 deploy.version=0.0.0
 

skiko/import-generator/src/jvmMain/kotlin/org/jetbrains/skiko/ImportGeneratorTransformer.kt

@@ -7,6 +7,7 @@ import org.jetbrains.kotlin.ir.expressions.IrConst
 import org.jetbrains.kotlin.ir.expressions.IrConstructorCall
 import org.jetbrains.kotlin.ir.expressions.impl.IrConstImpl
 import org.jetbrains.kotlin.ir.expressions.impl.IrConstructorCallImpl
+import org.jetbrains.kotlin.ir.symbols.UnsafeDuringIrConstructionAPI
 import org.jetbrains.kotlin.ir.util.constructors
 import org.jetbrains.kotlin.ir.util.defaultType
 import org.jetbrains.kotlin.ir.util.getAnnotation
@@ -26,6 +27,7 @@ internal class ImportGeneratorTransformer(private val pluginContext: IrPluginCon
     private fun IrConstructorCall.getStringValue(value: String): String =
         (getValueArgument(Name.identifier(value)) as IrConst<String>).value
 
+    @OptIn(UnsafeDuringIrConstructionAPI::class)
     private fun IrFunction.addWasmImportAnnotation(name: String) {
         val annotationClass = pluginContext.referenceClass(
             ClassId.fromString("kotlin/wasm/WasmImport") // Replace with your fully qualified annotation name

skiko/src/awtMain/kotlin/org/jetbrains/skiko/Actuals.awt.kt

@@ -33,7 +33,7 @@ internal actual fun makeDefaultRenderFactory(): RenderFactory =
                 GraphicsApi.SOFTWARE_FAST -> LinuxSoftwareRedrawer(layer, analytics, properties)
                 else -> LinuxOpenGLRedrawer(layer, analytics, properties)
             }
-            OS.Android, OS.JS, OS.Ios, OS.Tvos, OS.Unknown -> throw UnsupportedOperationException("The awt target doesn't support $hostOs")
+            else -> throw UnsupportedOperationException("AWT doesn't support $hostOs")
         }
     }
 
@@ -44,11 +44,12 @@ internal actual fun URIHandler_openUri(uri: String) {
     } else when (hostOs) {
         OS.Linux -> {
             URI(uri) // Validate URI for exception behavior consistent with the Desktop.browse() case (throwing URISyntaxException)
-            Runtime.getRuntime().exec(arrayOf("xdg-open", URL(uri).toString()))
+            Runtime.getRuntime().exec(arrayOf("xdg-open", URI(uri).toString()))
         }
-        OS.Android, OS.Windows, OS.MacOS, OS.Ios, OS.Tvos, OS.JS, OS.Unknown -> {
-            throw UnsupportedOperationException("AWT does not support the BROWSE action on this platform")
+        OS.Windows, OS.MacOS -> {
+            throw UnsupportedOperationException("AWT doesn't support the BROWSE action on $hostOs")
         }
+        else -> throw UnsupportedOperationException("AWT doesn't support $hostOs")
     }
 }
 

skiko/src/awtMain/kotlin/org/jetbrains/skiko/PlatformOperations.kt

@@ -124,10 +124,7 @@ internal val platformOperations: PlatformOperations by lazy {
                 }
             }
         }
-        OS.Android -> TODO()
-        OS.JS, OS.Ios, OS.Tvos, OS.Unknown -> {
-            TODO("Commonize me")
-        }
+        else -> throw UnsupportedOperationException()
     }
 }
 

skiko/src/awtMain/kotlin/org/jetbrains/skiko/SkiaLayer.awt.kt

@@ -107,6 +107,7 @@ actual open class SkiaLayer internal constructor(
             @Suppress("OVERRIDE_DEPRECATION")
             override fun reshape(x: Int, y: Int, width: Int, height: Int) {
                 Logger.debug { "reshape(x=$x, y=$y, w=$width, h=$height) called on $this" }
+                @Suppress("DEPRECATION")
                 super.reshape(x, y, width, height)
 
                 redrawer?.syncBounds()
@@ -382,6 +383,7 @@ actual open class SkiaLayer internal constructor(
 
     @Suppress("OVERRIDE_DEPRECATION")
     override fun reshape(x: Int, y: Int, w: Int, h: Int) {
+        @Suppress("DEPRECATION")
         super.reshape(x, y, w, h)
 
         // Calling redrawImmediately as early as possible improves the situation with

skiko/src/commonMain/kotlin/org/jetbrains/skia/CubicResampler.kt

@@ -23,6 +23,7 @@ package org.jetbrains.skia
  */
 class CubicResampler(val b: Float, val c: Float) : SamplingMode {
 
+    @Suppress("OVERRIDE_DEPRECATION")
     override fun _pack(): Long = (0x8L shl 60) or ((b.toBits().toULong() shl 32) or c.toBits().toULong()).toLong()
 
     override fun _packedInt1(): Int = b.toBits() or (0x8 shl 28)

skiko/src/commonMain/kotlin/org/jetbrains/skia/FilterMipmap.kt

@@ -5,6 +5,7 @@ class FilterMipmap constructor(
     internal val mipmapMode: MipmapMode = MipmapMode.NONE
 ) : SamplingMode {
 
+    @Suppress("OVERRIDE_DEPRECATION")
     override fun _pack() = filterMode.ordinal.toLong() shl 32 or mipmapMode.ordinal.toLong()
 
     override fun _packedInt1(): Int = filterMode.ordinal

skiko/src/commonMain/kotlin/org/jetbrains/skia/FontMetrics.kt

@@ -162,6 +162,7 @@ class FontMetrics(
     companion object
 }
 
+@Suppress("NOTHING_TO_INLINE")
 private inline fun Float.asNumberOrNull(): Float? = if (isNaN()) null else this
 
 private fun FontMetrics.Companion.fromRawData(rawData: FloatArray) = FontMetrics(

skiko/src/commonMain/kotlin/org/jetbrains/skia/ImageInfo.kt

@@ -284,7 +284,7 @@ class ImageInfo(val colorInfo: ColorInfo, val width: Int, val height: Int) {
             return ImageInfo(ColorInfo(ColorType.UNKNOWN, ColorAlphaType.UNKNOWN, null), width, height)
         }
 
-        fun createUsing(
+        internal fun createUsing(
             _ptr: NativePointer,
             _nGetImageInfo: (_ptr: NativePointer, intArrayPointer: InteropPointer, nativePointerArrayPtr: InteropPointer) -> Unit
         ): ImageInfo {

skiko/src/commonMain/kotlin/org/jetbrains/skia/impl/Native.kt

@@ -4,7 +4,7 @@ import org.jetbrains.skia.ManagedString
 
 expect class NativePointer
 
-expect class InteropPointer
+internal expect class InteropPointer
 
 expect abstract class Native(ptr: NativePointer) {
     internal var _ptr: NativePointer
@@ -157,6 +157,7 @@ internal inline fun withStringResult(block: () -> NativePointer): String {
     return ManagedString(block()).use { it.toString() }
 }
 
+@Suppress("NOTHING_TO_INLINE")
 internal inline fun withStringResult(pointer: NativePointer): String {
     return ManagedString(pointer).use { it.toString() }
 }

skiko/src/commonMain/kotlin/org/jetbrains/skia/paragraph/StrutStyle.kt

@@ -219,6 +219,7 @@ class StrutStyle internal constructor(ptr: NativePointer) : Managed(ptr, _Finali
             reachabilityBarrier(this)
         }
         set(value) {
+            @Suppress("DEPRECATION")
             setHalfLeading(value)
         }
 

skiko/src/commonMain/kotlin/org/jetbrains/skia/paragraph/TextBox.kt

@@ -40,7 +40,7 @@ class TextBox(val rect: Rect, direction: Direction) {
         _direction = direction
     }
 
-    companion object : ArrayInteropDecoder<TextBox> {
+    internal companion object : ArrayInteropDecoder<TextBox> {
         override fun getArrayElement(array: InteropPointer, index: Int): TextBox {
             val rect = FloatArray(4)
             val direction = IntArray(1)

skiko/src/commonMain/kotlin/org/jetbrains/skia/paragraph/TextStyle.kt

@@ -332,6 +332,7 @@ class TextStyle internal constructor(ptr: NativePointer) : Managed(ptr, _Finaliz
             reachabilityBarrier(this)
         }
         set(value) {
+            @Suppress("DEPRECATION")
             setHalfLeading(value)
         }
 

skiko/src/commonMain/kotlin/org/jetbrains/skia/shaper/FontMgrRunIterator.kt

-@file:Suppress("NESTED_EXTERNAL_DECLARATION")
 package org.jetbrains.skia.shaper
 
 import org.jetbrains.skia.ExternalSymbolName

skiko/src/commonMain/kotlin/org/jetbrains/skia/shaper/HbIcuScriptRunIterator.kt

-@file:Suppress("NESTED_EXTERNAL_DECLARATION")
 package org.jetbrains.skia.shaper
 
 import org.jetbrains.skia.ExternalSymbolName

skiko/src/commonMain/kotlin/org/jetbrains/skia/shaper/IcuBidiRunIterator.kt

-@file:Suppress("NESTED_EXTERNAL_DECLARATION")
 package org.jetbrains.skia.shaper
 
 import org.jetbrains.skia.ExternalSymbolName

skiko/src/commonMain/kotlin/org/jetbrains/skia/shaper/ManagedRunIterator.kt

-@file:Suppress("NESTED_EXTERNAL_DECLARATION")
 package org.jetbrains.skia.shaper
 
 import org.jetbrains.skia.ExternalSymbolName

skiko/src/commonMain/kotlin/org/jetbrains/skia/shaper/Shaper.kt

-@file:Suppress("NESTED_EXTERNAL_DECLARATION")
 package org.jetbrains.skia.shaper
 
 import org.jetbrains.skia.*

skiko/src/commonMain/kotlin/org/jetbrains/skia/skottie/Animation.kt

-@file:Suppress("NESTED_EXTERNAL_DECLARATION")
 package org.jetbrains.skia.skottie
 
 import org.jetbrains.skia.impl.Library.Companion.staticLoad

skiko/src/commonMain/kotlin/org/jetbrains/skia/skottie/AnimationBuilder.kt

-@file:Suppress("NESTED_EXTERNAL_DECLARATION")
 package org.jetbrains.skia.skottie
 
 import org.jetbrains.skia.Data

skiko/src/commonMain/kotlin/org/jetbrains/skia/skottie/Logger.kt

-@file:Suppress("NESTED_EXTERNAL_DECLARATION")
 package org.jetbrains.skia.skottie
 
 import org.jetbrains.skia.ExternalSymbolName

skiko/src/commonTest/kotlin/org/jetbrains/skia/BreakIteratorTests.kt

 package org.jetbrains.skia
 
-import org.jetbrains.skia.impl.reachabilityBarrier
 import org.jetbrains.skiko.OS
 import org.jetbrains.skiko.hostOs
 import org.jetbrains.skiko.tests.*

skiko/src/commonTest/kotlin/org/jetbrains/skiko/tests/TestUtils.kt

@@ -10,13 +10,13 @@ expect fun runTest(block: suspend () -> Unit): TestReturnType
 
 internal expect fun InteropScope.allocateBytesForPixels(size: Int): NativePointer
 
-expect annotation class SkipNativeTarget
+expect annotation class SkipNativeTarget()
 
-expect annotation class SkipJsTarget
+expect annotation class SkipJsTarget()
 
-expect annotation class SkipWasmTarget
+expect annotation class SkipWasmTarget()
 
-expect annotation class SkipJvmTarget
+expect annotation class SkipJvmTarget()
 
 expect fun makeFromFileName(path: String?): Data
 

skiko/src/darwinMain/kotlin/org/jetbrains/skiko/Dispatchers.kt

@@ -24,7 +24,7 @@ object SkikoDispatchers {
     )
 }
 
-@OptIn(InternalCoroutinesApi::class)
+@OptIn(InternalCoroutinesApi::class, ExperimentalCoroutinesApi::class)
 internal class NsQueueDispatcher(
     private val dispatchQueue: dispatch_queue_t
 ) : CoroutineDispatcher(), Delay {
@@ -34,7 +34,6 @@ internal class NsQueueDispatcher(
         }
     }
 
-    @OptIn(InternalCoroutinesApi::class)
     override fun scheduleResumeAfterDelay(timeMillis: Long, continuation: CancellableContinuation<Unit>) {
         val timer = Timer()
         val timerBlock: TimerBlock = {
@@ -45,8 +44,6 @@ internal class NsQueueDispatcher(
         continuation.disposeOnCancellation(timer)
     }
 
-
-    @OptIn(InternalCoroutinesApi::class)
     override fun invokeOnTimeout(timeMillis: Long, block: Runnable, context: CoroutineContext): DisposableHandle {
         val timer = Timer()
         val timerBlock: TimerBlock = {
@@ -61,20 +58,15 @@ internal class NsQueueDispatcher(
 
 internal typealias TimerBlock = (CFRunLoopTimerRef?) -> Unit
 
-@SharedImmutable
 private val TIMER_NEW = NativePtr.NULL
 
-@SharedImmutable
 private val TIMER_DISPOSED = NativePtr.NULL.plus(1)
 
 private class Timer : DisposableHandle {
     private val ref = AtomicNativePtr(TIMER_NEW)
 
-    init { freeze() }
-
     fun start(timeMillis: Long, timerBlock: TimerBlock) {
         val fireDate = CFAbsoluteTimeGetCurrent() + timeMillis / 1000.0
-        @Suppress("EXPERIMENTAL_UNSIGNED_LITERALS")
         val timer = CFRunLoopTimerCreateWithHandler(null, fireDate, 0.0, 0u, 0, timerBlock)!!
         CFRunLoopAddTimer(CFRunLoopGetMain(), timer, kCFRunLoopCommonModes)
         if (!ref.compareAndSet(TIMER_NEW, timer.rawValue)) {

skiko/src/jsMain/kotlin/org/jetbrains/skia/impl/Native.js.kt

+@file:Suppress("UNCHECKED_CAST_TO_EXTERNAL_INTERFACE")
+
 package org.jetbrains.skia.impl
 
 internal actual class InteropScope actual constructor() {
@@ -242,6 +244,7 @@ internal actual class InteropScope actual constructor() {
         releaseCallbacks()
     }
 
+    @Suppress("NOTHING_TO_INLINE")
     private inline fun initCallbacks() {
         if (!callbacksInitialized) {
             _createLocalCallbackScope()
@@ -249,6 +252,7 @@ internal actual class InteropScope actual constructor() {
         }
     }
 
+    @Suppress("NOTHING_TO_INLINE")
     private inline fun releaseCallbacks() {
         if (callbacksInitialized) {
             _releaseLocalCallbackScope()

skiko/src/jvmMain/kotlin/org/jetbrains/skia/impl/Native.jvm.kt

@@ -48,14 +48,14 @@ internal actual fun reachabilityBarrier(obj: Any?) {
 
 actual typealias NativePointer = Long
 
-@Suppress("ACTUAL_TYPE_ALIAS_TO_NULLABLE_TYPE")
-actual typealias InteropPointer = Any?
+internal actual typealias InteropPointer = java.lang.Object
 
 internal object theScope: InteropScope()
 internal actual inline fun <T> interopScope(block: InteropScope.() -> T): T {
     return theScope.block()
 }
 
+@Suppress("RETURN_TYPE_MISMATCH") // Hack to pass nulls as InteropPointer
 internal actual open class InteropScope actual constructor() {
     actual fun toInterop(string: String?): InteropPointer = string
 
@@ -93,11 +93,11 @@ internal actual open class InteropScope actual constructor() {
         this@fromInterop as Array<T>
     actual fun toInteropForArraysOfPointers(interopPointers: Array<InteropPointer>): InteropPointer = interopPointers
 
-    actual fun callback(callback: (() -> Unit)?) = callback as Any?
-    actual fun intCallback(callback: (() -> Int)?) = callback as Any?
-    actual fun nativePointerCallback(callback: (() -> NativePointer)?) = callback as Any?
-    actual fun interopPointerCallback(callback: (() -> InteropPointer)?) = callback as Any?
-    actual fun booleanCallback(callback: (() -> Boolean)?) = callback as Any?
+    actual fun callback(callback: (() -> Unit)?): InteropPointer = callback
+    actual fun intCallback(callback: (() -> Int)?): InteropPointer = callback
+    actual fun nativePointerCallback(callback: (() -> NativePointer)?): InteropPointer = callback
+    actual fun interopPointerCallback(callback: (() -> InteropPointer)?): InteropPointer = callback
+    actual fun booleanCallback(callback: (() -> Boolean)?): InteropPointer = callback
 
     actual fun virtual(method: () -> Unit) = callback(method)
     actual fun virtualInt(method: () -> Int) = intCallback(method)

skiko/src/jvmMain/kotlin/org/jetbrains/skiko/SkikoProperties.kt

@@ -127,12 +127,12 @@ object SkikoProperties {
     }
 
     private fun bestRenderApiForCurrentOS(): GraphicsApi {
-        when(hostOs) {
-            OS.MacOS -> return GraphicsApi.METAL
-            OS.Linux -> return GraphicsApi.OPENGL
-            OS.Windows -> return if (renderingAngleEnabled) GraphicsApi.ANGLE else GraphicsApi.DIRECT3D
-            OS.Android -> return GraphicsApi.OPENGL
-            OS.JS, OS.Ios, OS.Tvos, OS.Unknown -> TODO("commonize me")
+        return when(hostOs) {
+            OS.MacOS -> GraphicsApi.METAL
+            OS.Linux -> GraphicsApi.OPENGL
+            OS.Windows -> if (renderingAngleEnabled) GraphicsApi.ANGLE else GraphicsApi.DIRECT3D
+            OS.Android -> GraphicsApi.OPENGL
+            else -> GraphicsApi.UNKNOWN
         }
     }
 
@@ -146,7 +146,7 @@ object SkikoProperties {
                 else -> listOf(GraphicsApi.ANGLE, GraphicsApi.DIRECT3D, GraphicsApi.OPENGL, GraphicsApi.SOFTWARE_FAST, GraphicsApi.SOFTWARE_COMPAT)
             }
             OS.Android -> return listOf(GraphicsApi.OPENGL)
-            OS.JS, OS.Ios, OS.Tvos, OS.Unknown -> TODO("commonize me")
+            else -> return listOf(GraphicsApi.UNKNOWN)
         }
 
         val indexOfInitialApi = fallbackApis.indexOf(initialApi)

skiko/src/macosMain/kotlin/org/jetbrains/skiko/redrawer/MetalRedrawer.macos.kt

+@file:OptIn(BetaInteropApi::class)
+
 package org.jetbrains.skiko.redrawer
 
+import kotlinx.cinterop.BetaInteropApi
 import kotlinx.cinterop.addressOf
 import kotlinx.cinterop.autoreleasepool
 import kotlinx.cinterop.objcPtr

skiko/src/macosMain/kotlin/org/jetbrains/skiko/redrawer/OpenGLRedrawer.macos.kt

+@file:OptIn(BetaInteropApi::class)
+
 package org.jetbrains.skiko.redrawer
 
+import kotlinx.cinterop.BetaInteropApi
 import kotlinx.cinterop.CPointer
 import kotlinx.cinterop.useContents
 import org.jetbrains.skiko.FrameDispatcher

skiko/src/nativeJsMain/kotlin/org/jetbrains/skia/PaintFilterCanvas.nativejs.kt

+@file:Suppress("OPTIONAL_DECLARATION_USAGE_IN_NON_COMMON_SOURCE") // https://youtrack.jetbrains.com/issue/KT-50727
+
 package org.jetbrains.skia
 
 import org.jetbrains.skia.impl.InteropPointer

skiko/src/nativeMain/kotlin/org/jetbrains/skia/impl/Managed.native.kt

@@ -3,8 +3,9 @@ package org.jetbrains.skia.impl
 import kotlinx.cinterop.nativeNullPtr
 import org.jetbrains.skia.ExternalSymbolName
 import kotlin.concurrent.AtomicNativePtr
+import kotlin.experimental.ExperimentalNativeApi
 import kotlin.native.concurrent.freeze
-import kotlin.native.internal.createCleaner
+import kotlin.native.ref.createCleaner
 
 private class FinalizationThunk(private val finalizer: NativePointer, val className: String, obj: NativePointer) {
     private var obj = AtomicNativePtr(obj)
@@ -29,10 +30,11 @@ actual abstract class Managed actual constructor(
         require(finalizer != NullPointer) { "Managed finalizer is nullptr" }
         val className = this::class.simpleName ?: "<kotlin>"
         Stats.onAllocated(className)
-        FinalizationThunk(finalizer, className, ptr).freeze()
+        FinalizationThunk(finalizer, className, ptr)
     } else null
 
-    @OptIn(ExperimentalStdlibApi::class)
+    @Suppress("unused")
+    @OptIn(ExperimentalNativeApi::class)
     private val cleaner = if (managed) {
         createCleaner(thunk) {
             it?.clean()

skiko/src/nativeMain/kotlin/org/jetbrains/skia/impl/Native.native.kt

@@ -48,7 +48,7 @@ actual abstract class Native actual constructor(ptr: NativePointer) {
 }
 
 actual typealias NativePointer = NativePtr
-actual typealias InteropPointer = NativePtr
+internal actual typealias InteropPointer = NativePtr
 
 internal actual fun reachabilityBarrier(obj: Any?) {
     // TODO: implement native barrier

skiko/src/nativeMain/kotlin/org/jetbrains/skiko/Actuals.native.kt

 package org.jetbrains.skiko
 
+import kotlin.time.TimeSource
+
 internal actual inline fun <R> maybeSynchronized(lock: Any, block: () -> R): R =
     block()
 
-actual fun currentNanoTime(): Long = kotlin.system.getTimeNanos()
+private val markNow = TimeSource.Monotonic.markNow()
+actual fun currentNanoTime(): Long = markNow.elapsedNow().inWholeNanoseconds
 
 internal actual fun loadAngleLibrary() {
     // Nothing to do here
-}
+}
\ No newline at end of file

skiko/src/uikitMain/kotlin/org/jetbrains/skiko/SkikoUIView.kt

+@file:OptIn(BetaInteropApi::class)
+
 package org.jetbrains.skiko
 
 import kotlinx.cinterop.*
@@ -11,7 +13,6 @@ import kotlin.native.ref.*
 
 internal expect fun UIView.skikoInitializeUIView(): Unit
 
-@Suppress("CONFLICTING_OVERLOADS")
 @ExportObjCClass
 class SkikoUIView : UIView {
     companion object : UIViewMeta() {

skiko/src/uikitMain/kotlin/org/jetbrains/skiko/redrawer/MetalRedrawer.uikit.kt

+@file:OptIn(BetaInteropApi::class)
+
 package org.jetbrains.skiko.redrawer
 
 import kotlinx.cinterop.*

skiko/src/wasmJsMain/kotlin/org/jetbrains/skia/impl/Native.wasm.kt

+@file:Suppress("UNCHECKED_CAST_TO_EXTERNAL_INTERFACE")
+
 package org.jetbrains.skia.impl
 
 internal actual class InteropScope actual constructor() {

skiko/src/webMain/kotlin/org/jetbrains/skia/impl/Native.js.kt

@@ -36,7 +36,7 @@ actual abstract class Native actual constructor(ptr: NativePointer) {
 internal actual fun reachabilityBarrier(obj: Any?) {}
 
 actual typealias NativePointer = Int
-actual typealias InteropPointer = Int
+internal actual typealias InteropPointer = Int
 
 private val INTEROP_SCOPE = InteropScope()
 private var interopScopeCounter = 0