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KSPropertyDeclarationDescriptorImpl.kt
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KSPropertyDeclarationDescriptorImpl.kt
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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.binary
import com.google.devtools.ksp.KSObjectCache
import com.google.devtools.ksp.hasBackingFieldWithBinaryClassSupport
import com.google.devtools.ksp.memoized
import com.google.devtools.ksp.processing.impl.ResolverImpl
import com.google.devtools.ksp.symbol.*
import com.google.devtools.ksp.symbol.impl.*
import com.google.devtools.ksp.toKSModifiers
import org.jetbrains.kotlin.descriptors.*
import org.jetbrains.org.objectweb.asm.Opcodes
class KSPropertyDeclarationDescriptorImpl private constructor(val descriptor: PropertyDescriptor) :
KSPropertyDeclaration,
KSDeclarationDescriptorImpl(descriptor),
KSExpectActual by KSExpectActualDescriptorImpl(descriptor) {
companion object : KSObjectCache<PropertyDescriptor, KSPropertyDeclarationDescriptorImpl>() {
fun getCached(descriptor: PropertyDescriptor) = cache.getOrPut(descriptor) {
KSPropertyDeclarationDescriptorImpl(descriptor)
}
}
override val extensionReceiver: KSTypeReference? by lazy {
if (descriptor.extensionReceiverParameter != null) {
KSTypeReferenceDescriptorImpl.getCached(descriptor.extensionReceiverParameter!!.type, origin, this)
} else {
null
}
}
override val annotations: Sequence<KSAnnotation> by lazy {
// annotations on backing field will not visible in the property declaration so we query it directly to load
// its annotations as well.
val backingFieldAnnotations = descriptor.backingField?.annotations?.map {
KSAnnotationDescriptorImpl.getCached(it, this)
}.orEmpty()
(super.annotations + backingFieldAnnotations).memoized()
}
override val isMutable: Boolean by lazy {
descriptor.isVar
}
override val modifiers: Set<Modifier> by lazy {
val modifiers = mutableSetOf<Modifier>()
modifiers.addAll(descriptor.toKSModifiers())
if (descriptor.isConst) {
modifiers.add(Modifier.CONST)
}
if (descriptor.isLateInit) {
modifiers.add(Modifier.LATEINIT)
}
if (this.origin == Origin.JAVA_LIB) {
if (this.jvmAccessFlag and Opcodes.ACC_TRANSIENT != 0)
modifiers.add(Modifier.JAVA_TRANSIENT)
if (this.jvmAccessFlag and Opcodes.ACC_VOLATILE != 0)
modifiers.add(Modifier.JAVA_VOLATILE)
}
modifiers
}
override val setter: KSPropertySetter? by lazy {
if (descriptor.setter != null) {
KSPropertySetterDescriptorImpl.getCached(descriptor.setter as PropertySetterDescriptor)
} else {
null
}
}
override val getter: KSPropertyGetter? by lazy {
if (descriptor.getter != null) {
KSPropertyGetterDescriptorImpl.getCached(descriptor.getter as PropertyGetterDescriptor)
} else {
null
}
}
override val typeParameters: List<KSTypeParameter> by lazy {
descriptor.typeParameters.map { KSTypeParameterDescriptorImpl.getCached(it) }
}
override val type: KSTypeReference by lazy {
KSTypeReferenceDescriptorImpl.getCached(descriptor.type, origin, this)
}
override val hasBackingField: Boolean by lazy {
descriptor.hasBackingFieldWithBinaryClassSupport()
}
override fun findOverridee(): KSPropertyDeclaration? {
val propertyDescriptor = ResolverImpl.instance!!.resolvePropertyDeclaration(this)
return propertyDescriptor?.findClosestOverridee()?.toKSPropertyDeclaration()
}
override fun isDelegated(): Boolean {
return (descriptor as? PropertyDescriptor)?.delegateField != null
}
override fun <D, R> accept(visitor: KSVisitor<D, R>, data: D): R {
return visitor.visitPropertyDeclaration(this, data)
}
override fun asMemberOf(containing: KSType): KSType =
ResolverImpl.instance!!.asMemberOf(this, containing)
}