org.jetbrains.kotlin.ir.declarations.IrValueParameter.kt Maven / Gradle / Ivy

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/*
 * Copyright 2010-2017 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 org.jetbrains.kotlin.ir.declarations

import org.jetbrains.kotlin.descriptors.ParameterDescriptor
import org.jetbrains.kotlin.ir.ObsoleteDescriptorBasedAPI
import org.jetbrains.kotlin.ir.expressions.IrExpressionBody
import org.jetbrains.kotlin.ir.symbols.IrValueParameterSymbol
import org.jetbrains.kotlin.ir.types.IrType
import org.jetbrains.kotlin.ir.visitors.IrElementTransformer
import org.jetbrains.kotlin.ir.visitors.IrElementVisitor

abstract class IrValueParameter : IrValueDeclaration(), IrSymbolDeclaration {
    @ObsoleteDescriptorBasedAPI
    abstract override val descriptor: ParameterDescriptor

    abstract val index: Int
    abstract val varargElementType: IrType?
    abstract val isCrossinline: Boolean
    abstract val isNoinline: Boolean
    // if true parameter is not included into IdSignature.
    // Skipping hidden params makes IrFunction be look similar to FE.
    // NOTE: it is introduced to fix KT-40980 because more clear solution was not possible to implement.
    // Once we are able to load any top-level declaration from klib this hack should be deprecated and removed.
    abstract val isHidden: Boolean

    abstract var defaultValue: IrExpressionBody?

    override fun  accept(visitor: IrElementVisitor, data: D): R =
        visitor.visitValueParameter(this, data)

    override fun  transform(transformer: IrElementTransformer, data: D): IrValueParameter =
        transformer.visitValueParameter(this, data) as IrValueParameter

    override fun  acceptChildren(visitor: IrElementVisitor, data: D) {
        defaultValue?.accept(visitor, data)
    }

    override fun  transformChildren(transformer: IrElementTransformer, data: D) {
        defaultValue = defaultValue?.transform(transformer, data)
    }
}