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Library code for Realm Kotlin. This artifact is not supposed to be consumed directly, but through 'io.realm.kotlin:gradle-plugin:1.11.1' instead.

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/*
 * Copyright 2021 Realm Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package io.realm.kotlin.internal.platform

import io.realm.kotlin.internal.RealmObjectCompanion
import io.realm.kotlin.types.BaseRealmObject
import kotlin.reflect.KClass
import kotlin.reflect.full.companionObjectInstance

// TODO OPTIMIZE Can we eliminate the reflective approach? Maybe by embedding the information
//  through the compiler plugin or something similar to the Native findAssociatedObject
@PublishedApi
internal actual fun  realmObjectCompanionOrNull(clazz: KClass): RealmObjectCompanion? =
    if (clazz.companionObjectInstance is RealmObjectCompanion) {
        clazz.companionObjectInstance as RealmObjectCompanion
    } else null

@PublishedApi
internal actual fun  realmObjectCompanionOrThrow(clazz: KClass): RealmObjectCompanion =
    realmObjectCompanionOrNull(clazz)
        ?: error("Couldn't find companion object of class '${clazz.simpleName}'.\nA common cause for this is when the `io.realm.kotlin` is not applied to the Gradle module that contains the '${clazz.simpleName}' class.")