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// Copyright 2000-2021 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
package org.jetbrains.kotlin.idea.klib
import com.intellij.openapi.diagnostic.Logger
import org.jetbrains.kotlin.backend.common.serialization.metadata.KlibMetadataVersion
import org.jetbrains.kotlin.builtins.DefaultBuiltIns
import org.jetbrains.kotlin.builtins.KotlinBuiltIns
import org.jetbrains.kotlin.descriptors.DeclarationDescriptor
import org.jetbrains.kotlin.descriptors.NotFoundClasses
import org.jetbrains.kotlin.idea.decompiler.textBuilder.DeserializerForDecompilerBase
import org.jetbrains.kotlin.idea.decompiler.textBuilder.LoggingErrorReporter
import org.jetbrains.kotlin.idea.decompiler.textBuilder.ResolveEverythingToKotlinAnyLocalClassifierResolver
import org.jetbrains.kotlin.incremental.components.LookupTracker
import org.jetbrains.kotlin.library.metadata.KlibMetadataClassDataFinder
import org.jetbrains.kotlin.metadata.ProtoBuf
import org.jetbrains.kotlin.metadata.deserialization.NameResolver
import org.jetbrains.kotlin.name.FqName
import org.jetbrains.kotlin.resolve.sam.SamConversionResolverImpl
import org.jetbrains.kotlin.serialization.SerializerExtensionProtocol
import org.jetbrains.kotlin.serialization.deserialization.*
import org.jetbrains.kotlin.serialization.deserialization.descriptors.DeserializedPackageMemberScope
class KlibMetadataDeserializerForDecompiler(
packageFqName: FqName,
private val proto: ProtoBuf.PackageFragment,
private val nameResolver: NameResolver,
serializerProtocol: SerializerExtensionProtocol,
flexibleTypeDeserializer: FlexibleTypeDeserializer
) : DeserializerForDecompilerBase(packageFqName) {
override val builtIns: KotlinBuiltIns get() = DefaultBuiltIns.Instance
override val deserializationComponents: DeserializationComponents
init {
val notFoundClasses = NotFoundClasses(storageManager, moduleDescriptor)
deserializationComponents = DeserializationComponents(
storageManager, moduleDescriptor, DeserializationConfiguration.Default,
KlibMetadataClassDataFinder(proto, nameResolver),
AnnotationAndConstantLoaderImpl(moduleDescriptor, notFoundClasses, serializerProtocol), packageFragmentProvider,
ResolveEverythingToKotlinAnyLocalClassifierResolver(builtIns), LoggingErrorReporter(LOG),
LookupTracker.DO_NOTHING, flexibleTypeDeserializer, emptyList(), notFoundClasses, ContractDeserializer.DEFAULT,
extensionRegistryLite = serializerProtocol.extensionRegistry,
samConversionResolver = SamConversionResolverImpl(storageManager, samWithReceiverResolvers = emptyList())
)
}
override fun resolveDeclarationsInFacade(facadeFqName: FqName): List<DeclarationDescriptor> {
assert(facadeFqName == directoryPackageFqName) {
"Was called for $facadeFqName; only members of $directoryPackageFqName package are expected."
}
val membersScope = DeserializedPackageMemberScope(
createDummyPackageFragment(facadeFqName),
proto.`package`,
nameResolver,
KlibMetadataVersion.INSTANCE,
containerSource = null,
components = deserializationComponents,
classNames = { emptyList() },
debugName = "scope of dummyPackageFragment $facadeFqName in ${deserializationComponents.moduleDescriptor} " +
"@KlibMetadataDeserializerForDecompiler"
)
return membersScope.getContributedDescriptors().toList()
}
companion object {
private val LOG = Logger.getInstance(KlibMetadataDeserializerForDecompiler::class.java)
}
}
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