/*
 * Copyright 2010-2015 JetBrains s.r.o.
 *
 * 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 kotlin.reflect.jvm.internal

import java.lang.reflect.Method
import kotlin.reflect.IllegalPropertyAccessException
import kotlin.reflect.KMutableTopLevelVariable
import kotlin.reflect.KTopLevelVariable

open class KTopLevelVariableImpl<out R> : DescriptorBasedProperty, KTopLevelVariable<R>, KVariableImpl<R> {
    constructor(container: KPackageImpl, name: String) : super(container, name, null)

    override val name: String get() = descriptor.getName().asString()

    override val getter: Method get() = super<DescriptorBasedProperty>.getter!!

    override fun get(): R {
        try {
            @suppress("UNCHECKED_CAST")
            return getter.invoke(null) as R
        }
        catch (e: IllegalAccessException) {
            throw IllegalPropertyAccessException(e)
        }
    }
}

class KMutableTopLevelVariableImpl<R> : KTopLevelVariableImpl<R>, KMutableTopLevelVariable<R>, KMutableVariableImpl<R> {
    constructor(container: KPackageImpl, name: String) : super(container, name)

    override val setter: Method get() = super<KTopLevelVariableImpl>.setter!!

    override fun set(value: R) {
        try {
            setter.invoke(null, value)
        }
        catch (e: IllegalAccessException) {
            throw IllegalPropertyAccessException(e)
        }
    }
}
