Commonize kotlin.reflect API

KClassifier, KTypeProjection, and KVariance were moved to common

(cherry picked from commit 0ce1a3592279eb515d0746ba639d0cfe2e958b23)

runtime/src/main/kotlin/kotlin/reflect/KClass.kt

@@ -24,13 +24,13 @@ public actual interface KClass<T : Any> : KDeclarationContainer, KAnnotatedEleme
      * The fully qualified dot-separated name of the class,
      * or `null` if the class is local or it is an anonymous object literal.
      */
-    public val qualifiedName: String?
+    public actual val qualifiedName: String?
 
     /**
      * Returns `true` if [value] is an instance of this class on a given platform.
      */
     @SinceKotlin("1.1")
-    public fun isInstance(value: Any?): Boolean
+    public actual fun isInstance(value: Any?): Boolean
 
     /**
      * Returns `true` if this [KClass] instance represents the same Kotlin class as the class represented by [other].

runtime/src/main/kotlin/kotlin/reflect/KClassifier.kt

@@ -1,15 +0,0 @@
-/*
- * Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
- * that can be found in the LICENSE file.
- */
-
-package kotlin.reflect
-
-/**
- * A classifier is either a class or a type parameter.
- *
- * @see [KClass]
- * @see [KTypeParameter]
- */
-@SinceKotlin("1.1")
-public interface KClassifier

runtime/src/main/kotlin/kotlin/reflect/KFunction.kt

@@ -5,4 +5,4 @@
 
 package kotlin.reflect
 
-interface KFunction<out R> : KCallable<R>
+public actual interface KFunction<out R> : KCallable<R>, Function<R>

runtime/src/main/kotlin/kotlin/reflect/KType.kt

@@ -9,7 +9,7 @@ package kotlin.reflect
  * Represents a type. Type is usually either a class with optional type arguments,
  * or a type parameter of some declaration, plus nullability.
  */
-public interface KType {
+public actual interface KType {
     /**
      * The declaration of the classifier used in this type.
      * For example, in the type `List<String>` the classifier would be the [KClass] instance for [List].
@@ -17,7 +17,7 @@ public interface KType {
      * Returns `null` if this type is not denotable in Kotlin, for example if it is an intersection type.
      */
     @SinceKotlin("1.1")
-    public val classifier: KClassifier?
+    public actual val classifier: KClassifier?
 
     /**
      * Type arguments passed for the parameters of the classifier in this type.
@@ -28,7 +28,7 @@ public interface KType {
      * For example, in the type `Outer<A, B>.Inner<C, D>` the returned list is `[C, D, A, B]`.
      */
     @SinceKotlin("1.1")
-    public val arguments: List<KTypeProjection>
+    public actual val arguments: List<KTypeProjection>
 
     /**
      * `true` if this type was marked nullable in the source code.
@@ -47,58 +47,5 @@ public interface KType {
      * }
      * ```
      */
-    public val isMarkedNullable: Boolean
-}
-
-/**
- * Represents a type projection. Type projection is usually the argument to another type in a type usage.
- * For example, in the type `Array<out Number>`, `out Number` is the covariant projection of the type represented by the class `Number`.
- *
- * Type projection is either the star projection, or an entity consisting of a specific type plus optional variance.
- *
- * See the [Kotlin language documentation](https://kotlinlang.org/docs/reference/generics.html#type-projections)
- * for more information.
- */
-@SinceKotlin("1.1")
-public data class KTypeProjection constructor(
-        /**
-         * The use-site variance specified in the projection, or `null` if this is a star projection.
-         */
-        public val variance: KVariance?,
-        /**
-         * The type specified in the projection, or `null` if this is a star projection.
-         */
-        public val type: KType?
-) {
-    public companion object {
-        /**
-         * Star projection, denoted by the `*` character.
-         * For example, in the type `KClass<*>`, `*` is the star projection.
-         * See the [Kotlin language documentation](https://kotlinlang.org/docs/reference/generics.html#star-projections)
-         * for more information.
-         */
-        public val STAR: KTypeProjection = KTypeProjection(null, null)
-
-        /**
-         * Creates an invariant projection of a given type. Invariant projection is just the type itself,
-         * without any use-site variance modifiers applied to it.
-         * For example, in the type `Set<String>`, `String` is an invariant projection of the type represented by the class `String`.
-         */
-        public fun invariant(type: KType): KTypeProjection =
-                KTypeProjection(KVariance.INVARIANT, type)
-
-        /**
-         * Creates a contravariant projection of a given type, denoted by the `in` modifier applied to a type.
-         * For example, in the type `MutableList<in Number>`, `in Number` is a contravariant projection of the type of class `Number`.
-         */
-        public fun contravariant(type: KType): KTypeProjection =
-                KTypeProjection(KVariance.IN, type)
-
-        /**
-         * Creates a covariant projection of a given type, denoted by the `out` modifier applied to a type.
-         * For example, in the type `Array<out Number>`, `out Number` is a covariant projection of the type of class `Number`.
-         */
-        public fun covariant(type: KType): KTypeProjection =
-                KTypeProjection(KVariance.OUT, type)
-    }
+    public actual val isMarkedNullable: Boolean
 }

runtime/src/main/kotlin/kotlin/reflect/KVariance.kt

@@ -1,34 +0,0 @@
-/*
- * Copyright 2010-2019 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
- * that can be found in the LICENSE file.
- */
-
-package kotlin.reflect
-
-/**
- * Represents variance applied to a type parameter on the declaration site (*declaration-site variance*),
- * or to a type in a projection (*use-site variance*).
- *
- * See the [Kotlin language documentation](https://kotlinlang.org/docs/reference/generics.html#variance)
- * for more information.
- *
- * @see [KTypeParameter.variance]
- * @see [KTypeProjection]
- */
-@SinceKotlin("1.1")
-enum class KVariance {
-    /**
-     * The affected type parameter or type is *invariant*, which means it has no variance applied to it.
-     */
-    INVARIANT,
-
-    /**
-     * The affected type parameter or type is *contravariant*. Denoted by the `in` modifier in the source code.
-     */
-    IN,
-
-    /**
-     * The affected type parameter or type is *covariant*. Denoted by the `out` modifier in the source code.
-     */
-    OUT,
-}