JS: write and load pre-release flag on binaries

core/deserialization/src/org/jetbrains/kotlin/serialization/deserialization/DeserializedPackageFragmentImpl.kt

@@ -17,8 +17,10 @@
 package org.jetbrains.kotlin.serialization.deserialization
 
 import org.jetbrains.kotlin.descriptors.ModuleDescriptor
+import org.jetbrains.kotlin.descriptors.SourceElement
 import org.jetbrains.kotlin.name.FqName
 import org.jetbrains.kotlin.serialization.ProtoBuf
+import org.jetbrains.kotlin.serialization.deserialization.descriptors.DeserializedContainerSource
 import org.jetbrains.kotlin.serialization.deserialization.descriptors.DeserializedPackageMemberScope
 import org.jetbrains.kotlin.storage.StorageManager
 
@@ -26,17 +28,20 @@ abstract class DeserializedPackageFragmentImpl(
         fqName: FqName,
         storageManager: StorageManager,
         module: ModuleDescriptor,
-        protected val proto: ProtoBuf.PackageFragment
+        protected val proto: ProtoBuf.PackageFragment,
+        private val containerSource: DeserializedContainerSource?
 ) : DeserializedPackageFragment(fqName, storageManager, module) {
     protected val nameResolver = NameResolverImpl(proto.strings, proto.qualifiedNames)
 
-    override val classDataFinder = ProtoBasedClassDataFinder(proto, nameResolver)
+    override val classDataFinder = ProtoBasedClassDataFinder(proto, nameResolver) { containerSource ?: SourceElement.NO_SOURCE }
 
     override fun computeMemberScope() =
             DeserializedPackageMemberScope(
-                    this, proto.`package`, nameResolver, containerSource = null, components = components,
-                    classNames = { classDataFinder.allClassIds.filter { classId ->
-                        !classId.isNestedClass && classId !in ClassDeserializer.BLACK_LIST
-                    }.map { it.shortClassName } }
+                    this, proto.`package`, nameResolver, containerSource, components,
+                    classNames = {
+                        classDataFinder.allClassIds.filter { classId ->
+                            !classId.isNestedClass && classId !in ClassDeserializer.BLACK_LIST
+                        }.map { it.shortClassName }
+                    }
             )
 }

core/deserialization/src/org/jetbrains/kotlin/serialization/deserialization/ProtoBasedClassDataFinder.kt

@@ -24,7 +24,8 @@ import org.jetbrains.kotlin.serialization.ProtoBuf
 
 class ProtoBasedClassDataFinder(
         proto: ProtoBuf.PackageFragment,
-        private val nameResolver: NameResolver
+        private val nameResolver: NameResolver,
+        private val classSource: (ClassId) -> SourceElement = { SourceElement.NO_SOURCE }
 ) : ClassDataFinder {
     private val classIdToProto =
             proto.class_List.associateBy { klass ->
@@ -35,6 +36,6 @@ class ProtoBasedClassDataFinder(
 
     override fun findClassData(classId: ClassId): ClassDataWithSource? {
         val classProto = classIdToProto[classId] ?: return null
-        return ClassDataWithSource(ClassData(nameResolver, classProto), SourceElement.NO_SOURCE)
+        return ClassDataWithSource(ClassData(nameResolver, classProto), classSource(classId))
     }
 }

core/deserialization/src/org/jetbrains/kotlin/serialization/deserialization/descriptors/DeserializedMemberDescriptor.kt

@@ -45,6 +45,7 @@ interface DeserializedMemberDescriptor : MemberDescriptor {
         get() = SinceKotlinInfo.create(proto, nameResolver, sinceKotlinInfoTable)
 
     // Information about the origin of this callable's container (class or package part on JVM) or null if there's no such information.
+    // TODO: merge with sourceElement of containingDeclaration
     val containerSource: DeserializedContainerSource?
 }