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org.jetbrains.kotlin.serialization.deserialization.MemberDeserializer.kt Maven / Gradle / Ivy
/*
* Copyright 2010-2015 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.serialization.deserialization
import org.jetbrains.kotlin.descriptors.*
import org.jetbrains.kotlin.descriptors.annotations.AnnotationUseSiteTarget
import org.jetbrains.kotlin.descriptors.annotations.AnnotationWithTarget
import org.jetbrains.kotlin.descriptors.annotations.Annotations
import org.jetbrains.kotlin.descriptors.annotations.AnnotationsImpl
import org.jetbrains.kotlin.descriptors.impl.PropertyGetterDescriptorImpl
import org.jetbrains.kotlin.descriptors.impl.PropertySetterDescriptorImpl
import org.jetbrains.kotlin.descriptors.impl.ValueParameterDescriptorImpl
import org.jetbrains.kotlin.protobuf.MessageLite
import org.jetbrains.kotlin.resolve.DescriptorFactory
import org.jetbrains.kotlin.serialization.Flags
import org.jetbrains.kotlin.serialization.ProtoBuf
import org.jetbrains.kotlin.serialization.deserialization.descriptors.*
class MemberDeserializer(private val c: DeserializationContext) {
private val annotationDeserializer = AnnotationDeserializer(c.components.moduleDescriptor, c.components.notFoundClasses)
fun loadProperty(proto: ProtoBuf.Property): PropertyDescriptor {
val flags = if (proto.hasFlags()) proto.flags else loadOldFlags(proto.oldFlags)
val property = DeserializedPropertyDescriptor(
c.containingDeclaration, null,
getAnnotations(proto, flags, AnnotatedCallableKind.PROPERTY),
Deserialization.modality(Flags.MODALITY.get(flags)),
Deserialization.visibility(Flags.VISIBILITY.get(flags)),
Flags.IS_VAR.get(flags),
c.nameResolver.getName(proto.name),
Deserialization.memberKind(Flags.MEMBER_KIND.get(flags)),
Flags.IS_LATEINIT.get(flags),
Flags.IS_CONST.get(flags),
Flags.IS_EXTERNAL_PROPERTY.get(flags),
Flags.IS_DELEGATED.get(flags),
Flags.IS_HEADER_PROPERTY.get(flags),
proto,
c.nameResolver,
c.typeTable,
c.sinceKotlinInfoTable,
c.containerSource
)
val local = c.childContext(property, proto.typeParameterList)
val hasGetter = Flags.HAS_GETTER.get(flags)
val receiverAnnotations = if (hasGetter && proto.hasReceiver())
getReceiverParameterAnnotations(proto, AnnotatedCallableKind.PROPERTY_GETTER)
else
Annotations.EMPTY
property.setType(
local.typeDeserializer.type(proto.returnType(c.typeTable)),
local.typeDeserializer.ownTypeParameters,
getDispatchReceiverParameter(),
proto.receiverType(c.typeTable)?.let { local.typeDeserializer.type(it, receiverAnnotations) }
)
val getter = if (hasGetter) {
val getterFlags = proto.getterFlags
val isNotDefault = proto.hasGetterFlags() && Flags.IS_NOT_DEFAULT.get(getterFlags)
val isExternal = proto.hasGetterFlags() && Flags.IS_EXTERNAL_ACCESSOR.get(getterFlags)
val isInline = proto.hasGetterFlags() && Flags.IS_INLINE_ACCESSOR.get(getterFlags)
val getter = if (isNotDefault) {
PropertyGetterDescriptorImpl(
property,
getAnnotations(proto, getterFlags, AnnotatedCallableKind.PROPERTY_GETTER),
Deserialization.modality(Flags.MODALITY.get(getterFlags)),
Deserialization.visibility(Flags.VISIBILITY.get(getterFlags)),
/* isDefault = */ !isNotDefault,
/* isExternal = */ isExternal,
isInline,
property.kind, null, SourceElement.NO_SOURCE
)
}
else {
DescriptorFactory.createDefaultGetter(property, Annotations.EMPTY)
}
getter.initialize(property.returnType)
getter
}
else {
null
}
val setter = if (Flags.HAS_SETTER.get(flags)) {
val setterFlags = proto.setterFlags
val isNotDefault = proto.hasSetterFlags() && Flags.IS_NOT_DEFAULT.get(setterFlags)
val isExternal = proto.hasSetterFlags() && Flags.IS_EXTERNAL_ACCESSOR.get(setterFlags)
val isInline = proto.hasGetterFlags() && Flags.IS_INLINE_ACCESSOR.get(setterFlags)
if (isNotDefault) {
val setter = PropertySetterDescriptorImpl(
property,
getAnnotations(proto, setterFlags, AnnotatedCallableKind.PROPERTY_SETTER),
Deserialization.modality(Flags.MODALITY.get(setterFlags)),
Deserialization.visibility(Flags.VISIBILITY.get(setterFlags)),
/* isDefault = */ !isNotDefault,
/* isExternal = */ isExternal,
isInline,
property.kind, null, SourceElement.NO_SOURCE
)
val setterLocal = local.childContext(setter, listOf())
val valueParameters = setterLocal.memberDeserializer.valueParameters(
listOf(proto.setterValueParameter), proto, AnnotatedCallableKind.PROPERTY_SETTER
)
setter.initialize(valueParameters.single())
setter
}
else {
DescriptorFactory.createDefaultSetter(property, Annotations.EMPTY)
}
}
else {
null
}
if (Flags.HAS_CONSTANT.get(flags)) {
property.setCompileTimeInitializer(
c.storageManager.createNullableLazyValue {
val container = c.containingDeclaration.asProtoContainer()!!
c.components.annotationAndConstantLoader.loadPropertyConstant(container, proto, property.returnType)
}
)
}
property.initialize(getter, setter)
return property
}
private fun loadOldFlags(oldFlags: Int): Int {
val lowSixBits = oldFlags and 0x3f
val rest = (oldFlags shr 8) shl 6
return lowSixBits + rest
}
fun loadFunction(proto: ProtoBuf.Function): SimpleFunctionDescriptor {
val flags = if (proto.hasFlags()) proto.flags else loadOldFlags(proto.oldFlags)
val annotations = getAnnotations(proto, flags, AnnotatedCallableKind.FUNCTION)
val receiverAnnotations = if (proto.hasReceiver())
getReceiverParameterAnnotations(proto, AnnotatedCallableKind.FUNCTION)
else Annotations.EMPTY
val function = DeserializedSimpleFunctionDescriptor(
c.containingDeclaration, /* original = */ null, annotations, c.nameResolver.getName(proto.name),
Deserialization.memberKind(Flags.MEMBER_KIND.get(flags)), proto, c.nameResolver, c.typeTable, c.sinceKotlinInfoTable,
c.containerSource
)
val local = c.childContext(function, proto.typeParameterList)
function.initialize(
proto.receiverType(c.typeTable)?.let { local.typeDeserializer.type(it, receiverAnnotations) },
getDispatchReceiverParameter(),
local.typeDeserializer.ownTypeParameters,
local.memberDeserializer.valueParameters(proto.valueParameterList, proto, AnnotatedCallableKind.FUNCTION),
local.typeDeserializer.type(proto.returnType(c.typeTable)),
Deserialization.modality(Flags.MODALITY.get(flags)),
Deserialization.visibility(Flags.VISIBILITY.get(flags))
)
function.isOperator = Flags.IS_OPERATOR.get(flags)
function.isInfix = Flags.IS_INFIX.get(flags)
function.isExternal = Flags.IS_EXTERNAL_FUNCTION.get(flags)
function.isInline = Flags.IS_INLINE.get(flags)
function.isTailrec = Flags.IS_TAILREC.get(flags)
function.isSuspend = Flags.IS_SUSPEND.get(flags)
function.isHeader = Flags.IS_HEADER_FUNCTION.get(flags)
return function
}
fun loadTypeAlias(proto: ProtoBuf.TypeAlias): TypeAliasDescriptor {
val annotations = AnnotationsImpl(proto.annotationList.map { annotationDeserializer.deserializeAnnotation(it, c.nameResolver) })
val visibility = Deserialization.visibility(Flags.VISIBILITY.get(proto.flags))
val typeAlias = DeserializedTypeAliasDescriptor(
c.storageManager, c.containingDeclaration, annotations, c.nameResolver.getName(proto.name),
visibility, proto, c.nameResolver, c.typeTable, c.sinceKotlinInfoTable, c.containerSource
)
val local = c.childContext(typeAlias, proto.typeParameterList)
typeAlias.initialize(
local.typeDeserializer.ownTypeParameters,
local.typeDeserializer.simpleType(proto.underlyingType(c.typeTable)),
local.typeDeserializer.simpleType(proto.expandedType(c.typeTable))
)
return typeAlias
}
private fun getDispatchReceiverParameter(): ReceiverParameterDescriptor? {
return (c.containingDeclaration as? ClassDescriptor)?.thisAsReceiverParameter
}
fun loadConstructor(proto: ProtoBuf.Constructor, isPrimary: Boolean): ClassConstructorDescriptor {
val classDescriptor = c.containingDeclaration as ClassDescriptor
val descriptor = DeserializedClassConstructorDescriptor(
classDescriptor, null, getAnnotations(proto, proto.flags, AnnotatedCallableKind.FUNCTION),
isPrimary, CallableMemberDescriptor.Kind.DECLARATION, proto, c.nameResolver, c.typeTable, c.sinceKotlinInfoTable,
c.containerSource
)
val local = c.childContext(descriptor, listOf())
descriptor.initialize(
local.memberDeserializer.valueParameters(proto.valueParameterList, proto, AnnotatedCallableKind.FUNCTION),
Deserialization.visibility(Flags.VISIBILITY.get(proto.flags))
)
descriptor.returnType = classDescriptor.defaultType
return descriptor
}
private fun getAnnotations(proto: MessageLite, flags: Int, kind: AnnotatedCallableKind): Annotations {
if (!Flags.HAS_ANNOTATIONS.get(flags)) {
return Annotations.EMPTY
}
return DeserializedAnnotationsWithPossibleTargets(c.storageManager) {
c.containingDeclaration.asProtoContainer()?.let {
c.components.annotationAndConstantLoader.loadCallableAnnotations(it, proto, kind)
}.orEmpty()
}
}
private fun getReceiverParameterAnnotations(
proto: MessageLite,
kind: AnnotatedCallableKind,
receiverTargetedKind: AnnotatedCallableKind = kind
): Annotations {
return DeserializedAnnotationsWithPossibleTargets(c.storageManager) {
c.containingDeclaration.asProtoContainer()?.let {
c.components.annotationAndConstantLoader
.loadExtensionReceiverParameterAnnotations(it, proto, receiverTargetedKind)
.map { AnnotationWithTarget(it, AnnotationUseSiteTarget.RECEIVER) }
}.orEmpty()
}
}
private fun valueParameters(
valueParameters: List,
callable: MessageLite,
kind: AnnotatedCallableKind
): List {
val callableDescriptor = c.containingDeclaration as CallableDescriptor
val containerOfCallable = callableDescriptor.containingDeclaration.asProtoContainer()
return valueParameters.mapIndexed { i, proto ->
val flags = if (proto.hasFlags()) proto.flags else 0
ValueParameterDescriptorImpl(
callableDescriptor, null, i,
containerOfCallable?.let { container ->
DeserializedAnnotations(c.storageManager) {
c.components.annotationAndConstantLoader.loadValueParameterAnnotations(container, callable, kind, i, proto)
}
} ?: Annotations.EMPTY,
c.nameResolver.getName(proto.name),
c.typeDeserializer.type(proto.type(c.typeTable)),
Flags.DECLARES_DEFAULT_VALUE.get(flags),
Flags.IS_CROSSINLINE.get(flags),
Flags.IS_NOINLINE.get(flags),
proto.varargElementType(c.typeTable)?.let { c.typeDeserializer.type(it) },
SourceElement.NO_SOURCE
)
}.toList()
}
private fun DeclarationDescriptor.asProtoContainer(): ProtoContainer? = when (this) {
is PackageFragmentDescriptor -> ProtoContainer.Package(fqName, c.nameResolver, c.typeTable, c.containerSource)
is DeserializedClassDescriptor -> thisAsProtoContainer
else -> null // TODO: support annotations on lambdas and their parameters
}
}
