.kotlin.kotlin-compiler.1.3.11.source-code.LazyPackageViewDescriptorImpl.kt Maven / Gradle / Ivy
/*
* 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.DeclarationDescriptorVisitor
import org.jetbrains.kotlin.descriptors.PackageFragmentDescriptor
import org.jetbrains.kotlin.descriptors.PackageViewDescriptor
import org.jetbrains.kotlin.descriptors.annotations.Annotations
import org.jetbrains.kotlin.name.FqName
import org.jetbrains.kotlin.resolve.scopes.ChainedMemberScope
import org.jetbrains.kotlin.resolve.scopes.LazyScopeAdapter
import org.jetbrains.kotlin.resolve.scopes.MemberScope
import org.jetbrains.kotlin.storage.StorageManager
import org.jetbrains.kotlin.storage.getValue
class LazyPackageViewDescriptorImpl(
override val module: ModuleDescriptorImpl,
override val fqName: FqName,
storageManager: StorageManager
) : DeclarationDescriptorImpl(Annotations.EMPTY, fqName.shortNameOrSpecial()), PackageViewDescriptor {
override val fragments: List by storageManager.createLazyValue {
module.packageFragmentProvider.getPackageFragments(fqName)
}
override val memberScope: MemberScope = LazyScopeAdapter(storageManager.createLazyValue {
if (fragments.isEmpty()) {
MemberScope.Empty
}
else {
// Packages from SubpackagesScope are got via getContributedDescriptors(DescriptorKindFilter.PACKAGES, MemberScope.ALL_NAME_FILTER)
val scopes = fragments.map { it.getMemberScope() } + SubpackagesScope(module, fqName)
ChainedMemberScope("package view scope for $fqName in ${module.name}", scopes)
}
})
override fun getContainingDeclaration(): PackageViewDescriptor? {
return if (fqName.isRoot) null else module.getPackage(fqName.parent())
}
override fun equals(other: Any?): Boolean {
val that = other as? PackageViewDescriptor ?: return false
return this.fqName == that.fqName && this.module == that.module
}
override fun hashCode(): Int {
var result = module.hashCode()
result = 31 * result + fqName.hashCode()
return result
}
override fun accept(visitor: DeclarationDescriptorVisitor, data: D): R = visitor.visitPackageViewDescriptor(this, data)
}