FIR: Use platform specific overridability rules for platform members

^KT-54570 Fixed

compiler/fir/java/src/org/jetbrains/kotlin/fir/java/scopes/JavaOverridabilityRules.kt

@@ -0,0 +1,34 @@
+/*
+ * Copyright 2010-2022 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.fir.java.scopes
+
+import org.jetbrains.kotlin.fir.FirSession
+import org.jetbrains.kotlin.fir.declarations.FirCallableDeclaration
+import org.jetbrains.kotlin.fir.declarations.FirDeclarationOrigin
+import org.jetbrains.kotlin.fir.declarations.FirProperty
+import org.jetbrains.kotlin.fir.declarations.FirSimpleFunction
+import org.jetbrains.kotlin.fir.java.JavaTypeParameterStack
+import org.jetbrains.kotlin.fir.scopes.PlatformSpecificOverridabilityRules
+import org.jetbrains.kotlin.fir.unwrapFakeOverrides
+
+class JavaOverridabilityRules(session: FirSession) : PlatformSpecificOverridabilityRules {
+    private val javaOverrideChecker =
+        JavaOverrideChecker(session, JavaTypeParameterStack.EMPTY, baseScopes = null, considerReturnTypeKinds = true)
+
+    override fun isOverriddenFunction(overrideCandidate: FirSimpleFunction, baseDeclaration: FirSimpleFunction): Boolean? {
+        if (!overrideCandidate.isFromJava() || !baseDeclaration.isFromJava()) return null
+
+        return javaOverrideChecker.isOverriddenFunction(overrideCandidate, baseDeclaration)
+    }
+
+    override fun isOverriddenProperty(overrideCandidate: FirCallableDeclaration, baseDeclaration: FirProperty): Boolean? {
+        if (!overrideCandidate.isFromJava() || !baseDeclaration.isFromJava()) return null
+
+        return javaOverrideChecker.isOverriddenProperty(overrideCandidate, baseDeclaration)
+    }
+
+    private fun FirCallableDeclaration.isFromJava(): Boolean = unwrapFakeOverrides().origin == FirDeclarationOrigin.Enhancement
+}