org.jetbrains.kotlin.resolve.scopes.ChainedScope.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.resolve.scopes
import org.jetbrains.kotlin.descriptors.*
import org.jetbrains.kotlin.incremental.components.LookupLocation
import org.jetbrains.kotlin.name.Name
import org.jetbrains.kotlin.types.JetType
import org.jetbrains.kotlin.util.collectionUtils.getFirstMatch
import org.jetbrains.kotlin.util.collectionUtils.getFromAllScopes
import org.jetbrains.kotlin.utils.Printer
import java.util.ArrayList
public open class ChainedScope(
private val containingDeclaration: DeclarationDescriptor?/* it's nullable as a hack for TypeUtils.intersect() */,
private val debugName: String,
vararg scopes: JetScope
) : JetScope {
private val scopeChain = scopes.clone()
private var implicitReceiverHierarchy: List? = null
override fun getClassifier(name: Name, location: LookupLocation): ClassifierDescriptor?
= getFirstMatch(scopeChain) { it.getClassifier(name, location) }
override fun getPackage(name: Name): PackageViewDescriptor?
= getFirstMatch(scopeChain) { it.getPackage(name) }
override fun getProperties(name: Name, location: LookupLocation): Collection
= getFromAllScopes(scopeChain) { it.getProperties(name, location) }
override fun getLocalVariable(name: Name): VariableDescriptor?
= getFirstMatch(scopeChain) { it.getLocalVariable(name) }
override fun getFunctions(name: Name, location: LookupLocation): Collection
= getFromAllScopes(scopeChain) { it.getFunctions(name, location) }
override fun getSyntheticExtensionProperties(receiverTypes: Collection, name: Name, location: LookupLocation): Collection
= getFromAllScopes(scopeChain) { it.getSyntheticExtensionProperties(receiverTypes, name, location) }
override fun getSyntheticExtensionFunctions(receiverTypes: Collection, name: Name, location: LookupLocation): Collection
= getFromAllScopes(scopeChain) { it.getSyntheticExtensionFunctions(receiverTypes, name, location) }
override fun getSyntheticExtensionProperties(receiverTypes: Collection): Collection
= getFromAllScopes(scopeChain) { it.getSyntheticExtensionProperties(receiverTypes) }
override fun getSyntheticExtensionFunctions(receiverTypes: Collection): Collection
= getFromAllScopes(scopeChain) { it.getSyntheticExtensionFunctions(receiverTypes) }
override fun getImplicitReceiversHierarchy(): List {
if (implicitReceiverHierarchy == null) {
val result = ArrayList()
scopeChain.flatMapTo(result) { it.getImplicitReceiversHierarchy() }
result.trimToSize()
implicitReceiverHierarchy = result
}
return implicitReceiverHierarchy!!
}
override fun getContainingDeclaration(): DeclarationDescriptor = containingDeclaration!!
override fun getDeclarationsByLabel(labelName: Name) = scopeChain.flatMap { it.getDeclarationsByLabel(labelName) }
override fun getDescriptors(kindFilter: DescriptorKindFilter, nameFilter: (Name) -> Boolean)
= getFromAllScopes(scopeChain) { it.getDescriptors(kindFilter, nameFilter) }
override fun getOwnDeclaredDescriptors(): Collection {
throw UnsupportedOperationException()
}
override fun toString() = debugName
override fun printScopeStructure(p: Printer) {
p.println(javaClass.getSimpleName(), ": ", debugName, " {")
p.pushIndent()
for (scope in scopeChain) {
scope.printScopeStructure(p)
}
p.popIndent()
p.println("}")
}
}