kotlin.reflect.jvm.internal.impl.descriptors.PackageFragmentProvider.kt Maven / Gradle / Ivy
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Kotlin Full Reflection Library
/*
* 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.impl.descriptors
import kotlin.reflect.jvm.internal.impl.name.FqName
import kotlin.reflect.jvm.internal.impl.name.Name
interface PackageFragmentProvider {
@Deprecated("for usages use #packageFragments(FqName) at final point, for impl use #collectPackageFragments(FqName, MutableCollection)")
fun getPackageFragments(fqName: FqName): List
fun getSubPackagesOf(fqName: FqName, nameFilter: (Name) -> Boolean): Collection
object Empty : PackageFragmentProvider {
override fun getPackageFragments(fqName: FqName) = emptyList()
override fun getSubPackagesOf(fqName: FqName, nameFilter: (Name) -> Boolean) = emptySet()
}
}
interface PackageFragmentProviderOptimized : PackageFragmentProvider {
fun collectPackageFragments(fqName: FqName, packageFragments: MutableCollection)
}
fun PackageFragmentProvider.packageFragments(fqName: FqName): List {
val packageFragments = mutableListOf()
collectPackageFragmentsOptimizedIfPossible(fqName, packageFragments)
return packageFragments
}
fun PackageFragmentProvider.collectPackageFragmentsOptimizedIfPossible(
fqName: FqName,
packageFragments: MutableCollection
) {
when (this) {
is PackageFragmentProviderOptimized -> collectPackageFragments(fqName, packageFragments)
else -> packageFragments.addAll(getPackageFragments(fqName))
}
}