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/*
* Copyright 2022 Google LLC
* Copyright 2010-2022 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.impl.symbol.kotlin
import com.google.devtools.ksp.KSObjectCache
import com.google.devtools.ksp.processing.impl.KSNameImpl
import com.google.devtools.ksp.symbol.*
import org.jetbrains.kotlin.analysis.api.annotations.KtAnnotationApplicationValue
import org.jetbrains.kotlin.analysis.api.annotations.KtAnnotationValue
import org.jetbrains.kotlin.analysis.api.annotations.KtArrayAnnotationValue
import org.jetbrains.kotlin.analysis.api.annotations.KtConstantAnnotationValue
import org.jetbrains.kotlin.analysis.api.annotations.KtEnumEntryAnnotationValue
import org.jetbrains.kotlin.analysis.api.annotations.KtKClassAnnotationValue
import org.jetbrains.kotlin.analysis.api.annotations.KtNamedAnnotationValue
import org.jetbrains.kotlin.analysis.api.annotations.KtUnsupportedAnnotationValue
class KSValueArgumentImpl private constructor(
private val namedAnnotationValue: KtNamedAnnotationValue
) : KSValueArgument {
companion object : KSObjectCache<KtNamedAnnotationValue, KSValueArgumentImpl>() {
fun getCached(namedAnnotationValue: KtNamedAnnotationValue) =
cache.getOrPut(namedAnnotationValue) { KSValueArgumentImpl(namedAnnotationValue) }
}
override val name: KSName? by lazy {
KSNameImpl.getCached(namedAnnotationValue.name.asString())
}
override val isSpread: Boolean = false
override val value: Any? = namedAnnotationValue.expression.toValue()
override val annotations: Sequence<KSAnnotation> = emptySequence()
override val origin: Origin = Origin.KOTLIN
override val location: Location by lazy {
namedAnnotationValue.expression.sourcePsi?.toLocation() ?: NonExistLocation
}
override val parent: KSNode?
get() = TODO("Not yet implemented")
override fun <D, R> accept(visitor: KSVisitor<D, R>, data: D): R {
return visitor.visitValueArgument(this, data)
}
override fun toString(): String {
return "${name?.asString() ?: ""}:$value"
}
private fun KtAnnotationValue.toValue(): Any? = when (this) {
is KtArrayAnnotationValue -> this.values.map { it.toValue() }
is KtAnnotationApplicationValue -> KSAnnotationImpl.getCached(this.annotationValue)
// TODO: Enum entry should return a type, use declaration as a placeholder.
is KtEnumEntryAnnotationValue -> this.callableId?.classId?.let {
analyze {
it.toKtClassSymbol()?.let {
it.declarations().filterIsInstance<KSClassDeclarationEnumEntryImpl>().singleOrNull {
it.simpleName.asString() == this@toValue.callableId?.callableName?.asString()
}
}
}
} ?: KSErrorType
is KtKClassAnnotationValue -> {
val classDeclaration = when (this) {
is KtKClassAnnotationValue.KtNonLocalKClassAnnotationValue -> analyze {
(this@toValue.classId.toKtClassSymbol())?.let { KSClassDeclarationImpl.getCached(it) }
}
is KtKClassAnnotationValue.KtLocalKClassAnnotationValue -> analyze {
this@toValue.ktClass.getNamedClassOrObjectSymbol()?.let {
KSClassDeclarationImpl.getCached(it)
}
}
is KtKClassAnnotationValue.KtErrorClassAnnotationValue -> null
}
classDeclaration?.asStarProjectedType() ?: KSErrorType
}
is KtConstantAnnotationValue -> this.constantValue.value
is KtUnsupportedAnnotationValue -> null
}
}
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