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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.symbol.impl.java
import com.google.devtools.ksp.KSObjectCache
import com.google.devtools.ksp.symbol.*
import com.google.devtools.ksp.symbol.impl.getInstanceForCurrentRound
import com.google.devtools.ksp.symbol.impl.toLocation
import com.intellij.psi.PsiClassType
import com.intellij.psi.PsiJavaCodeReferenceElement
import com.intellij.psi.impl.source.PsiClassReferenceType
class KSClassifierReferenceJavaImpl private constructor(
val psi: PsiClassType,
override val parent: KSNode
) : KSClassifierReference {
companion object : KSObjectCache<Pair<PsiClassType, KSNode>, KSClassifierReferenceJavaImpl>() {
fun getCached(psi: PsiClassType, parent: KSNode): KSClassifierReferenceJavaImpl {
val curParent = getInstanceForCurrentRound(parent) as KSTypeReference
return cache.getOrPut(Pair(psi, curParent)) { KSClassifierReferenceJavaImpl(psi, curParent) }
}
}
override val origin = Origin.JAVA
override val location: Location by lazy {
(psi as? PsiJavaCodeReferenceElement)?.toLocation() ?: NonExistLocation
}
override val qualifier: KSClassifierReference? by lazy {
val qualifierReference = (psi as? PsiClassReferenceType)?.reference?.qualifier as? PsiJavaCodeReferenceElement
?: return@lazy null
val qualifierType = PsiClassReferenceType(qualifierReference, psi.languageLevel)
getCached(qualifierType, parent)
}
// PsiClassType.parameters is semantically argument
override val typeArguments: List<KSTypeArgument> by lazy {
psi.parameters.map { KSTypeArgumentJavaImpl.getCached(it, this) }
}
override fun referencedName(): String {
return psi.className + if (psi.parameterCount > 0) "<${
psi.parameters.joinToString(", ") {
it.presentableText
}
}>" else ""
}
override fun toString() = referencedName()
}
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