org.jetbrains.kotlin.descriptors.impl.ValueParameterDescriptorImpl.kt Maven / Gradle / Ivy

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/*
 * 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 org.jetbrains.kotlin.descriptors.impl

import org.jetbrains.kotlin.descriptors.*
import org.jetbrains.kotlin.descriptors.annotations.Annotations
import org.jetbrains.kotlin.name.Name
import org.jetbrains.kotlin.types.KotlinType
import org.jetbrains.kotlin.types.TypeSubstitutor

class ValueParameterDescriptorImpl(
        containingDeclaration: CallableDescriptor,
        original: ValueParameterDescriptor?,
        override val index: Int,
        annotations: Annotations,
        name: Name,
        outType: KotlinType,
        private val declaresDefaultValue: Boolean,
        override val isCrossinline: Boolean,
        override val isNoinline: Boolean,
        override val varargElementType: KotlinType?,
        source: SourceElement
) : VariableDescriptorImpl(containingDeclaration, annotations, name, outType, source), ValueParameterDescriptor {
    private val original: ValueParameterDescriptor = original ?: this

    override fun getContainingDeclaration() = super.getContainingDeclaration() as CallableDescriptor

    override fun declaresDefaultValue(): Boolean {
        return declaresDefaultValue && (containingDeclaration as CallableMemberDescriptor).kind.isReal
    }

    override fun getOriginal() = if (original === this) this else original.original

    override fun substitute(substitutor: TypeSubstitutor): ValueParameterDescriptor {
        if (substitutor.isEmpty) return this
        throw UnsupportedOperationException() // TODO
    }

    override fun  accept(visitor: DeclarationDescriptorVisitor, data: D): R {
        return visitor.visitValueParameterDescriptor(this, data)
    }

    override fun isVar() = false

    override fun getCompileTimeInitializer() = null

    override fun copy(newOwner: CallableDescriptor, newName: Name): ValueParameterDescriptor {
        return ValueParameterDescriptorImpl(
                newOwner, null, index, annotations, newName, type, declaresDefaultValue(),
                isCrossinline, isNoinline, varargElementType, SourceElement.NO_SOURCE
        )
    }

    override fun getVisibility() = Visibilities.LOCAL

    override fun getOverriddenDescriptors(): Collection {
        return containingDeclaration.overriddenDescriptors.map {
            it.valueParameters[index]
        }
    }
}