[K/N] Move KonanFakeOverrideClassFilter to serialization.native

KT-64392

compiler/ir/serialization.native/src/org/jetbrains/kotlin/backend/konan/serialization/KonanFakeOverrideClassFilter.kt

@@ -0,0 +1,40 @@
+/*
+ * Copyright 2010-2023 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+package org.jetbrains.kotlin.backend.konan.serialization
+
+import org.jetbrains.kotlin.backend.common.overrides.FakeOverrideClassFilter
+import org.jetbrains.kotlin.fir.lazy.Fir2IrLazyClass
+import org.jetbrains.kotlin.ir.ObsoleteDescriptorBasedAPI
+import org.jetbrains.kotlin.ir.declarations.IrClass
+import org.jetbrains.kotlin.ir.declarations.lazy.IrLazyClass
+import org.jetbrains.kotlin.ir.symbols.IrClassSymbol
+import org.jetbrains.kotlin.ir.symbols.impl.IrPublicSymbolBase
+import org.jetbrains.kotlin.ir.types.classOrNull
+import org.jetbrains.kotlin.ir.util.IdSignature
+
+object KonanFakeOverrideClassFilter : FakeOverrideClassFilter {
+    private fun IdSignature.isInteropSignature(): Boolean = with(this) {
+        IdSignature.Flags.IS_NATIVE_INTEROP_LIBRARY.test()
+    }
+
+    @OptIn(ObsoleteDescriptorBasedAPI::class)
+    private fun IrClassSymbol.isInterop(): Boolean {
+        if (this is IrPublicSymbolBase<*> && this.signature.isInteropSignature()) return true
+
+        // K2 doesn't properly put signatures into such symbols yet, workaround:
+        return this.isBound && this.owner is Fir2IrLazyClass && this.owner.isFromInteropLibraryByDescriptor()
+    }
+
+    // This is an alternative to .isObjCClass that doesn't need to walk up all the class heirarchy,
+    // rather it only looks at immediate super class symbols.
+    private fun IrClass.hasInteropSuperClass() = this.superTypes
+        .mapNotNull { it.classOrNull }
+        .any { it.isInterop() }
+
+    override fun needToConstructFakeOverrides(clazz: IrClass): Boolean {
+        return !clazz.hasInteropSuperClass() && clazz !is IrLazyClass
+    }
+}