Introduce KlibDeserializedContainerSource

It is a DeserializedContainerSource implementation for deserializing
metadata from klibs.

compiler/fir/entrypoint/src/org/jetbrains/kotlin/fir/session/KlibBasedSymbolProvider.kt

@@ -5,7 +5,6 @@
 
 package org.jetbrains.kotlin.fir.session
 
-import org.jetbrains.kotlin.descriptors.SourceFile
 import org.jetbrains.kotlin.fir.FirSession
 import org.jetbrains.kotlin.fir.declarations.FirDeclarationOrigin
 import org.jetbrains.kotlin.fir.deserialization.*
@@ -13,6 +12,7 @@ import org.jetbrains.kotlin.fir.isNewPlaceForBodyGeneration
 import org.jetbrains.kotlin.fir.languageVersionSettings
 import org.jetbrains.kotlin.fir.scopes.FirKotlinScopeProvider
 import org.jetbrains.kotlin.fir.symbols.SymbolInternals
+import org.jetbrains.kotlin.library.metadata.KlibDeserializedContainerSource
 import org.jetbrains.kotlin.library.metadata.KlibMetadataClassDataFinder
 import org.jetbrains.kotlin.library.metadata.KlibMetadataSerializerProtocol
 import org.jetbrains.kotlin.library.metadata.resolver.KotlinResolvedLibrary
@@ -21,9 +21,6 @@ import org.jetbrains.kotlin.metadata.deserialization.NameResolverImpl
 import org.jetbrains.kotlin.name.ClassId
 import org.jetbrains.kotlin.name.FqName
 import org.jetbrains.kotlin.resolve.CompilerDeserializationConfiguration
-import org.jetbrains.kotlin.serialization.deserialization.IncompatibleVersionErrorData
-import org.jetbrains.kotlin.serialization.deserialization.descriptors.DeserializedContainerAbiStability
-import org.jetbrains.kotlin.serialization.deserialization.descriptors.DeserializedContainerSource
 import org.jetbrains.kotlin.utils.SmartList
 import java.nio.file.Paths
 
@@ -119,16 +116,11 @@ class KlibBasedSymbolProvider(
                 val moduleData = moduleDataProvider.getModuleData(libraryPath) ?: return null
 
                 return ClassMetadataFindResult.NoMetadata { symbol ->
-                    val source = object : DeserializedContainerSource {
+                    val source = KlibDeserializedContainerSource(
-                        override val incompatibility: IncompatibleVersionErrorData<*>? = null
+                        moduleHeaders[resolvedLibrary]!!,
-                        override val isPreReleaseInvisible =
+                        deserializationConfiguration,
-                            deserializationConfiguration.reportErrorsOnPreReleaseDependencies &&
+                        classId.packageFqName
-                                    (moduleHeaders[resolvedLibrary]!!.flags and 1) != 0
+                    )
-                        override val abiStability = DeserializedContainerAbiStability.STABLE
-                        override val presentableString = "Package '${classId.packageFqName}'"
-
-                        override fun getContainingFile() = SourceFile.NO_SOURCE_FILE
-                    }
 
                     deserializeClassToSymbol(
                         classId,

compiler/util-klib-metadata/src/org/jetbrains/kotlin/library/metadata/KlibDeserializedContainerSource.kt

@@ -0,0 +1,35 @@
+/*
+ * Copyright 2010-2022 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+package org.jetbrains.kotlin.library.metadata
+
+import org.jetbrains.kotlin.descriptors.SourceFile
+import org.jetbrains.kotlin.library.metadata.KlibMetadataProtoBuf.Header
+import org.jetbrains.kotlin.name.FqName
+import org.jetbrains.kotlin.serialization.deserialization.DeserializationConfiguration
+import org.jetbrains.kotlin.serialization.deserialization.IncompatibleVersionErrorData
+import org.jetbrains.kotlin.serialization.deserialization.descriptors.DeserializedContainerAbiStability
+import org.jetbrains.kotlin.serialization.deserialization.descriptors.DeserializedContainerSource
+
+class KlibDeserializedContainerSource private constructor(
+    override val isPreReleaseInvisible: Boolean,
+    override val presentableString: String
+) : DeserializedContainerSource {
+
+    constructor(header: Header, configuration: DeserializationConfiguration, packageFqName: FqName) : this(
+        configuration.reportErrorsOnPreReleaseDependencies &&
+                (header.flags and 1) != 0,
+        "Package '$packageFqName'"
+    )
+
+    override val incompatibility: IncompatibleVersionErrorData<*>?
+        get() = null
+
+    override val abiStability: DeserializedContainerAbiStability
+        get() = DeserializedContainerAbiStability.STABLE
+
+    // TODO: move [CallableMemberDescriptor.findSourceFile] here.
+    override fun getContainingFile(): SourceFile = SourceFile.NO_SOURCE_FILE
+}