org.jetbrains.kotlin.resolve.scopes.TypeIntersectionScope.kt Maven / Gradle / Ivy
/*
* 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.resolve.scopes
import org.jetbrains.kotlin.descriptors.CallableDescriptor
import org.jetbrains.kotlin.descriptors.DeclarationDescriptor
import org.jetbrains.kotlin.incremental.components.LookupLocation
import org.jetbrains.kotlin.name.Name
import org.jetbrains.kotlin.resolve.selectMostSpecificInEachOverridableGroup
import org.jetbrains.kotlin.types.KotlinType
import org.jetbrains.kotlin.utils.Printer
class TypeIntersectionScope private constructor(override val workerScope: ChainedMemberScope) : AbstractScopeAdapter() {
override fun getContributedFunctions(name: Name, location: LookupLocation) =
super.getContributedFunctions(name, location).selectMostSpecificInEachOverridableGroup { this }
override fun getContributedVariables(name: Name, location: LookupLocation) =
super.getContributedVariables(name, location).selectMostSpecificInEachOverridableGroup { this }
override fun getContributedDescriptors(kindFilter: DescriptorKindFilter, nameFilter: (Name) -> Boolean): Collection {
val (callables, other) = super.getContributedDescriptors(kindFilter, nameFilter).partition { it is CallableDescriptor }
@Suppress("UNCHECKED_CAST")
return (callables as Collection).selectMostSpecificInEachOverridableGroup { this } + other
}
override fun printScopeStructure(p: Printer) {
p.print("TypeIntersectionScope for: " + workerScope.debugName)
super.printScopeStructure(p)
}
companion object {
@JvmStatic
fun create(message: String, types: Collection): MemberScope {
val chainedScope = ChainedMemberScope(message, types.map { it.memberScope })
if (types.size <= 1) return chainedScope
return TypeIntersectionScope(chainedScope)
}
}
}