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/*
 * Copyright 2010-2016 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.impl

import org.jetbrains.kotlin.descriptors.ClassDescriptor
import org.jetbrains.kotlin.descriptors.ClassKind
import org.jetbrains.kotlin.descriptors.Modality
import org.jetbrains.kotlin.descriptors.Visibility
import org.jetbrains.kotlin.ir.declarations.*
import org.jetbrains.kotlin.ir.symbols.IrClassSymbol
import org.jetbrains.kotlin.ir.symbols.impl.IrClassSymbolImpl
import org.jetbrains.kotlin.ir.types.IrType
import org.jetbrains.kotlin.ir.util.transform
import org.jetbrains.kotlin.ir.visitors.IrElementTransformer
import org.jetbrains.kotlin.ir.visitors.IrElementVisitor
import org.jetbrains.kotlin.name.Name
import org.jetbrains.kotlin.resolve.descriptorUtil.isEffectivelyExternal
import org.jetbrains.kotlin.utils.SmartList

class IrClassImpl(
    startOffset: Int,
    endOffset: Int,
    origin: IrDeclarationOrigin,
    override val symbol: IrClassSymbol,
    override val name: Name,
    override val kind: ClassKind,
    override val visibility: Visibility,
    override val modality: Modality,
    override val isCompanion: Boolean,
    override val isInner: Boolean,
    override val isData: Boolean,
    override val isExternal: Boolean,
    override val isInline: Boolean
) :
    IrDeclarationBase(startOffset, endOffset, origin),
    IrClass {

    constructor(
        startOffset: Int,
        endOffset: Int,
        origin: IrDeclarationOrigin,
        symbol: IrClassSymbol
    ) :
            this(
                startOffset, endOffset, origin, symbol,
                symbol.descriptor.name, symbol.descriptor.kind,
                symbol.descriptor.visibility, symbol.descriptor.modality,
                isCompanion = symbol.descriptor.isCompanionObject,
                isInner = symbol.descriptor.isInner,
                isData = symbol.descriptor.isData,
                isExternal = symbol.descriptor.isEffectivelyExternal(),
                isInline = symbol.descriptor.isInline
            )

    constructor(
        startOffset: Int,
        endOffset: Int,
        origin: IrDeclarationOrigin,
        descriptor: ClassDescriptor
    ) :
            this(startOffset, endOffset, origin, IrClassSymbolImpl(descriptor))

    constructor(
        startOffset: Int,
        endOffset: Int,
        origin: IrDeclarationOrigin,
        descriptor: ClassDescriptor,
        members: List
    ) : this(startOffset, endOffset, origin, descriptor) {
        addAll(members)
    }

    init {
        symbol.bind(this)
    }

    override val descriptor: ClassDescriptor get() = symbol.descriptor

    override var thisReceiver: IrValueParameter? = null

    override val declarations: MutableList = ArrayList()

    override val typeParameters: MutableList = SmartList()

    override val superTypes: MutableList = SmartList()

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

    override fun  acceptChildren(visitor: IrElementVisitor, data: D) {
        thisReceiver?.accept(visitor, data)
        typeParameters.forEach { it.accept(visitor, data) }
        declarations.forEach { it.accept(visitor, data) }
    }

    override fun  transformChildren(transformer: IrElementTransformer, data: D) {
        thisReceiver = thisReceiver?.transform(transformer, data)
        typeParameters.transform { it.transform(transformer, data) }
        declarations.transform { it.transform(transformer, data) }
    }
}