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/*
* Copyright 2020 Google LLC
* Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
*
* 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 com.google.devtools.ksp.processor
import com.google.devtools.ksp.getPropertyDeclarationByName
import com.google.devtools.ksp.processing.Resolver
import com.google.devtools.ksp.symbol.*
import com.google.devtools.ksp.visitor.KSTopDownVisitor
open class ReferenceElementProcessor : AbstractTestProcessor() {
val results = mutableListOf<String>()
val collector = ReferenceCollector()
val references = mutableSetOf<KSTypeReference>()
override fun process(resolver: Resolver): List<KSAnnotated> {
val files = resolver.getNewFiles()
files.forEach {
it.accept(collector, references)
}
resolver.getPropertyDeclarationByName("z", true)!!.accept(collector, references)
resolver.getPropertyDeclarationByName("w", true)!!.accept(collector, references)
fun refName(it: KSTypeReference) = (it.element as KSClassifierReference).referencedName()
val sortedReferences =
references.filter { it.element is KSClassifierReference && it.origin == Origin.KOTLIN }.sortedBy(::refName)
for (i in sortedReferences)
results.add(
"KSClassifierReferenceImpl: Qualifier of ${i.element} is ${
(i.element as KSClassifierReference).qualifier
}"
)
// FIXME: References in getters and type arguments are not compared to equal.
val descriptorReferences =
references.filter { it.element is KSClassifierReference && it.origin == Origin.KOTLIN_LIB }
.distinctBy(::refName).sortedBy(::refName)
for (i in descriptorReferences) {
results.add(
"KSClassifierReferenceDescriptorImpl: Qualifier of ${i.element} is ${
(i.element as KSClassifierReference).qualifier
}"
)
}
val defNonNullReferences =
references.filter { it.element is KSDefNonNullReference && it.origin == Origin.KOTLIN }
.sortedBy { it.toString() }
defNonNullReferences.forEach {
results.add(
"KSDefNonNullReferenceImpl: Enclosed type of ${(it.element as KSDefNonNullReference).enclosedType}"
)
}
val javaReferences = references.filter { it.element is KSClassifierReference && it.origin == Origin.JAVA }
.sortedBy(::refName)
for (i in javaReferences) {
results.add(
"KSClassifierReferenceJavaImpl: Qualifier of ${i.element} is ${
(i.element as KSClassifierReference).qualifier}"
)
}
return emptyList()
}
override fun toResult(): List<String> {
return results
}
}
class ReferenceCollector : KSTopDownVisitor<MutableSet<KSTypeReference>, Unit>() {
override fun defaultHandler(node: KSNode, data: MutableSet<KSTypeReference>) = Unit
override fun visitTypeReference(typeReference: KSTypeReference, data: MutableSet<KSTypeReference>) {
super.visitTypeReference(typeReference, data)
data.add(typeReference)
}
}
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