Introduce PackagePartSource to store part class name in deserialized descriptors

Not used at the moment, will be in the following commits

compiler/frontend.java/src/org/jetbrains/kotlin/load/kotlin/incremental/IncrementalPackageFragmentProvider.kt

@@ -21,6 +21,7 @@ import org.jetbrains.kotlin.descriptors.ModuleDescriptor
 import org.jetbrains.kotlin.descriptors.PackageFragmentDescriptor
 import org.jetbrains.kotlin.descriptors.PackageFragmentProvider
 import org.jetbrains.kotlin.descriptors.impl.PackageFragmentDescriptorImpl
+import org.jetbrains.kotlin.load.kotlin.JvmPackagePartSource
 import org.jetbrains.kotlin.load.kotlin.ModuleMapping
 import org.jetbrains.kotlin.load.kotlin.PackagePartClassUtils
 import org.jetbrains.kotlin.load.kotlin.incremental.components.IncrementalCache
@@ -112,7 +113,9 @@ public class IncrementalPackageFragmentProvider(
                             allParts.filterNot { it in obsoletePackageParts }
                         } ?: emptyList<String>()
 
-                val scopes = actualPackagePartFiles.mapNotNull { incrementalCache.getPackagePartData(it) }.map { createPackageScope(it) }
+                val scopes = actualPackagePartFiles.mapNotNull { internalName ->
+                    incrementalCache.getPackagePartData(internalName)?.let { internalName to it }
+                }.map { createPackageScope(it.first, it.second) }
 
                 if (scopes.isEmpty()) {
                     MemberScope.Empty
@@ -136,13 +139,15 @@ public class IncrementalPackageFragmentProvider(
                 val partsNames: Collection<String>
         ) : PackageFragmentDescriptorImpl(moduleDescriptor, multifileClassFqName.parent()) {
             val memberScope = storageManager.createLazyValue {
-                val partsData = partsNames.mapNotNull { incrementalCache.getPackagePartData(it) }
+                val partsData = partsNames.mapNotNull { internalName ->
+                    incrementalCache.getPackagePartData(internalName)?.let { internalName to it }
+                }
                 if (partsData.isEmpty())
                     MemberScope.Empty
                 else {
                     ChainedMemberScope(
                             "Member scope for incremental compilation: union of multifile class parts data for $multifileClassFqName",
-                            partsData.map { createPackageScope(it) }
+                            partsData.map { createPackageScope(it.first, it.second) }
                     )
                 }
             }
@@ -150,10 +155,12 @@ public class IncrementalPackageFragmentProvider(
             override fun getMemberScope(): MemberScope = memberScope()
         }
 
-        fun createPackageScope(part: JvmPackagePartProto): DeserializedPackageMemberScope {
+        fun createPackageScope(internalName: String, part: JvmPackagePartProto): DeserializedPackageMemberScope {
             val packageData = JvmProtoBufUtil.readPackageDataFrom(part.data, part.strings)
             return DeserializedPackageMemberScope(
-                    this, packageData.packageProto, packageData.nameResolver, deserializationComponents, { listOf() }
+                    this, packageData.packageProto, packageData.nameResolver,
+                    JvmPackagePartSource(JvmClassName.byInternalName(internalName)),
+                    deserializationComponents, { listOf() }
             )
         }
     }

core/descriptor.loader.java/src/org/jetbrains/kotlin/load/kotlin/DeserializedDescriptorResolver.java

@@ -23,6 +23,7 @@ import org.jetbrains.kotlin.descriptors.ClassDescriptor;
 import org.jetbrains.kotlin.descriptors.PackageFragmentDescriptor;
 import org.jetbrains.kotlin.load.kotlin.header.KotlinClassHeader;
 import org.jetbrains.kotlin.name.Name;
+import org.jetbrains.kotlin.resolve.jvm.JvmClassName;
 import org.jetbrains.kotlin.resolve.scopes.ChainedMemberScope;
 import org.jetbrains.kotlin.resolve.scopes.MemberScope;
 import org.jetbrains.kotlin.serialization.ClassData;
@@ -79,8 +80,9 @@ public final class DeserializedDescriptorResolver {
             String[] strings = kotlinClass.getClassHeader().getStrings();
             assert strings != null : "String table not found in " + kotlinClass;
             PackageData packageData = JvmProtoBufUtil.readPackageDataFrom(data, strings);
+            JvmPackagePartSource source = new JvmPackagePartSource(JvmClassName.byClassId(kotlinClass.getClassId()));
             return new DeserializedPackageMemberScope(
-                    descriptor, packageData.getPackageProto(), packageData.getNameResolver(), components,
+                    descriptor, packageData.getPackageProto(), packageData.getNameResolver(), source, components,
                     new Function0<Collection<Name>>() {
                         @Override
                         public Collection<Name> invoke() {

core/descriptor.loader.java/src/org/jetbrains/kotlin/load/kotlin/JvmPackagePartSource.kt

@@ -0,0 +1,22 @@
+/*
+ * 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.load.kotlin
+
+import org.jetbrains.kotlin.resolve.jvm.JvmClassName
+import org.jetbrains.kotlin.serialization.deserialization.descriptors.PackagePartSource
+
+class JvmPackagePartSource(val className: JvmClassName) : PackagePartSource

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

@@ -56,7 +56,7 @@ public class ClassDeserializer(private val components: DeserializationComponents
                 if (!fragment.hasTopLevelClass(classId.shortClassName)) return null
             }
 
-            components.createContext(fragment, nameResolver, TypeTable(classProto.typeTable))
+            components.createContext(fragment, nameResolver, TypeTable(classProto.typeTable), packagePartSource = null)
         }
 
         return DeserializedClassDescriptor(outerContext, classProto, nameResolver, sourceElement)

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

@@ -50,7 +50,8 @@ public abstract class DeserializedPackageFragment(
     internal val deserializedMemberScope by storageManager.createLazyValue {
         val packageStream = loadResourceSure(serializedResourcePaths.getPackageFilePath(fqName))
         val packageProto = ProtoBuf.Package.parseFrom(packageStream, serializedResourcePaths.extensionRegistry)
-        DeserializedPackageMemberScope(this, packageProto, nameResolver, components, classNames = { loadClassNames(packageProto) })
+        DeserializedPackageMemberScope(this, packageProto, nameResolver, packagePartSource = null, components = components,
+                                       classNames = { loadClassNames(packageProto) })
     }
 
     override fun getMemberScope() = deserializedMemberScope

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

@@ -47,7 +47,8 @@ public class MemberDeserializer(private val c: DeserializationContext) {
                 Flags.IS_CONST.get(flags),
                 proto,
                 c.nameResolver,
-                c.typeTable
+                c.typeTable,
+                c.packagePartSource
         )
 
         val local = c.childContext(property, proto.getTypeParameterList())
@@ -142,7 +143,7 @@ public class MemberDeserializer(private val c: DeserializationContext) {
         else Annotations.EMPTY
         val function = DeserializedSimpleFunctionDescriptor(
                 c.containingDeclaration, /* original = */ null, annotations, c.nameResolver.getName(proto.name),
-                Deserialization.memberKind(Flags.MEMBER_KIND.get(proto.flags)), proto, c.nameResolver, c.typeTable
+                Deserialization.memberKind(Flags.MEMBER_KIND.get(proto.flags)), proto, c.nameResolver, c.typeTable, c.packagePartSource
         )
         val local = c.childContext(function, proto.typeParameterList)
         function.initialize(
@@ -170,7 +171,7 @@ public class MemberDeserializer(private val c: DeserializationContext) {
         val classDescriptor = c.containingDeclaration as ClassDescriptor
         val descriptor = DeserializedConstructorDescriptor(
                 classDescriptor, null, getAnnotations(proto, proto.flags, AnnotatedCallableKind.FUNCTION),
-                isPrimary, CallableMemberDescriptor.Kind.DECLARATION, proto, c.nameResolver, c.typeTable
+                isPrimary, CallableMemberDescriptor.Kind.DECLARATION, proto, c.nameResolver, c.typeTable, c.packagePartSource
         )
         val local = c.childContext(descriptor, listOf())
         descriptor.initialize(
@@ -243,7 +244,7 @@ public class MemberDeserializer(private val c: DeserializationContext) {
     }
 
     private fun DeclarationDescriptor.asProtoContainer(): ProtoContainer? = when (this) {
-        is PackageFragmentDescriptor -> ProtoContainer.Package(fqName, c.nameResolver, c.typeTable)
+        is PackageFragmentDescriptor -> ProtoContainer.Package(fqName, c.nameResolver, c.typeTable, c.packagePartSource)
         is DeserializedClassDescriptor -> ProtoContainer.Class(
                 classProto, c.nameResolver, c.typeTable,
                 isCompanionOfClass = DescriptorUtils.isCompanionObject(this) &&

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

@@ -18,6 +18,7 @@ package org.jetbrains.kotlin.serialization.deserialization
 
 import org.jetbrains.kotlin.name.FqName
 import org.jetbrains.kotlin.serialization.ProtoBuf
+import org.jetbrains.kotlin.serialization.deserialization.descriptors.PackagePartSource
 
 sealed class ProtoContainer(
         val nameResolver: NameResolver,
@@ -35,7 +36,8 @@ sealed class ProtoContainer(
     class Package(
             val fqName: FqName,
             nameResolver: NameResolver,
-            typeTable: TypeTable
+            typeTable: TypeTable,
+            val packagePartSource: PackagePartSource?
     ) : ProtoContainer(nameResolver, typeTable) {
         override fun debugFqName(): FqName = fqName
     }

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

@@ -23,6 +23,7 @@ import org.jetbrains.kotlin.incremental.components.LookupTracker
 import org.jetbrains.kotlin.name.ClassId
 import org.jetbrains.kotlin.resolve.constants.ConstantValue
 import org.jetbrains.kotlin.serialization.ProtoBuf
+import org.jetbrains.kotlin.serialization.deserialization.descriptors.PackagePartSource
 import org.jetbrains.kotlin.storage.StorageManager
 
 class DeserializationComponents(
@@ -46,9 +47,11 @@ class DeserializationComponents(
     fun createContext(
             descriptor: PackageFragmentDescriptor,
             nameResolver: NameResolver,
-            typeTable: TypeTable
+            typeTable: TypeTable,
+            packagePartSource: PackagePartSource?
     ): DeserializationContext =
-            DeserializationContext(this, nameResolver, descriptor, typeTable, parentTypeDeserializer = null, typeParameters = listOf())
+            DeserializationContext(this, nameResolver, descriptor, typeTable, packagePartSource,
+                                   parentTypeDeserializer = null, typeParameters = listOf())
 }
 
 
@@ -57,11 +60,12 @@ class DeserializationContext(
         val nameResolver: NameResolver,
         val containingDeclaration: DeclarationDescriptor,
         val typeTable: TypeTable,
+        val packagePartSource: PackagePartSource?,
         parentTypeDeserializer: TypeDeserializer?,
         typeParameters: List<ProtoBuf.TypeParameter>
 ) {
     val typeDeserializer = TypeDeserializer(this, parentTypeDeserializer, typeParameters,
-                                            "Deserializer for ${containingDeclaration.getName()}")
+                                            "Deserializer for ${containingDeclaration.name}")
 
     val memberDeserializer = MemberDeserializer(this)
 
@@ -73,8 +77,7 @@ class DeserializationContext(
             nameResolver: NameResolver = this.nameResolver,
             typeTable: TypeTable = this.typeTable
     ) = DeserializationContext(
-            components, nameResolver, descriptor, typeTable,
-            parentTypeDeserializer = this.typeDeserializer,
-            typeParameters = typeParameterProtos
+            components, nameResolver, descriptor, typeTable, this.packagePartSource,
+            parentTypeDeserializer = this.typeDeserializer, typeParameters = typeParameterProtos
     )
 }

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

@@ -34,8 +34,14 @@ interface DeserializedCallableMemberDescriptor : CallableMemberDescriptor {
     val nameResolver: NameResolver
 
     val typeTable: TypeTable
+
+    // Information about the origin of this top-level callable or null, if it's not top-level or there's no such information.
+    // On JVM, this is JvmPackagePartSource which contains the internal name of the package part class
+    val packagePartSource: PackagePartSource?
 }
 
+interface PackagePartSource
+
 class DeserializedSimpleFunctionDescriptor(
         containingDeclaration: DeclarationDescriptor,
         original: SimpleFunctionDescriptor?,
@@ -44,7 +50,8 @@ class DeserializedSimpleFunctionDescriptor(
         kind: CallableMemberDescriptor.Kind,
         override val proto: ProtoBuf.Function,
         override val nameResolver: NameResolver,
-        override val typeTable: TypeTable
+        override val typeTable: TypeTable,
+        override val packagePartSource: PackagePartSource?
 ) : DeserializedCallableMemberDescriptor,
         SimpleFunctionDescriptorImpl(containingDeclaration, original, annotations, name, kind, SourceElement.NO_SOURCE) {
 
@@ -56,7 +63,8 @@ class DeserializedSimpleFunctionDescriptor(
             preserveSource: Boolean
     ): FunctionDescriptorImpl {
         return DeserializedSimpleFunctionDescriptor(
-                newOwner, original as SimpleFunctionDescriptor?, annotations, newName ?: name, kind, proto, nameResolver, typeTable
+                newOwner, original as SimpleFunctionDescriptor?, annotations, newName ?: name, kind,
+                proto, nameResolver, typeTable, packagePartSource
         )
     }
 }
@@ -74,7 +82,8 @@ class DeserializedPropertyDescriptor(
         isConst: Boolean,
         override val proto: ProtoBuf.Property,
         override val nameResolver: NameResolver,
-        override val typeTable: TypeTable
+        override val typeTable: TypeTable,
+        override val packagePartSource: PackagePartSource?
 ) : DeserializedCallableMemberDescriptor,
         PropertyDescriptorImpl(containingDeclaration, original, annotations,
                                modality, visibility, isVar, name, kind, SourceElement.NO_SOURCE, isLateInit, isConst) {
@@ -88,7 +97,7 @@ class DeserializedPropertyDescriptor(
     ): PropertyDescriptorImpl {
         return DeserializedPropertyDescriptor(
                 newOwner, original, annotations, newModality, newVisibility, isVar, name, kind, isLateInit, isConst,
-                proto, nameResolver, typeTable
+                proto, nameResolver, typeTable, packagePartSource
         )
     }
 }
@@ -101,7 +110,8 @@ class DeserializedConstructorDescriptor(
         kind: CallableMemberDescriptor.Kind,
         override val proto: ProtoBuf.Constructor,
         override val nameResolver: NameResolver,
-        override val typeTable: TypeTable
+        override val typeTable: TypeTable,
+        override val packagePartSource: PackagePartSource?
 ) : DeserializedCallableMemberDescriptor,
         ConstructorDescriptorImpl(containingDeclaration, original, annotations, isPrimary, kind, SourceElement.NO_SOURCE) {
 
@@ -114,7 +124,7 @@ class DeserializedConstructorDescriptor(
     ): DeserializedConstructorDescriptor {
         return DeserializedConstructorDescriptor(
                 newOwner as ClassDescriptor, original as ConstructorDescriptor?, annotations, isPrimary, kind,
-                proto, nameResolver, typeTable
+                proto, nameResolver, typeTable, packagePartSource
         )
     }
 

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

@@ -36,10 +36,11 @@ public open class DeserializedPackageMemberScope(
         packageDescriptor: PackageFragmentDescriptor,
         proto: ProtoBuf.Package,
         nameResolver: NameResolver,
+        packagePartSource: PackagePartSource?,
         components: DeserializationComponents,
         classNames: () -> Collection<Name>
 ) : DeserializedMemberScope(
-        components.createContext(packageDescriptor, nameResolver, TypeTable(proto.typeTable)),
+        components.createContext(packageDescriptor, nameResolver, TypeTable(proto.typeTable), packagePartSource),
         proto.functionList, proto.propertyList
 ) {
     private val packageFqName = packageDescriptor.fqName

core/reflection.jvm/src/kotlin/reflect/jvm/reflectLambda.kt

@@ -46,7 +46,7 @@ public fun <R> Function<R>.reflect(): KFunction<R>? {
     val moduleData = javaClass.getOrCreateModule()
     val context = DeserializationContext(
             moduleData.deserialization, nameResolver, moduleData.module,
-            typeTable = TypeTable(proto.typeTable), parentTypeDeserializer = null, typeParameters = listOf()
+            typeTable = TypeTable(proto.typeTable), packagePartSource = null, parentTypeDeserializer = null, typeParameters = listOf()
     )
     val descriptor = MemberDeserializer(context).loadFunction(proto)
     @Suppress("UNCHECKED_CAST")

idea/idea-analysis/src/org/jetbrains/kotlin/idea/decompiler/classFile/DeserializerForClassfileDecompiler.kt

@@ -28,6 +28,7 @@ import org.jetbrains.kotlin.load.kotlin.*
 import org.jetbrains.kotlin.name.ClassId
 import org.jetbrains.kotlin.name.FqName
 import org.jetbrains.kotlin.resolve.TargetPlatform
+import org.jetbrains.kotlin.resolve.jvm.JvmClassName
 import org.jetbrains.kotlin.resolve.jvm.platform.JvmPlatform
 import org.jetbrains.kotlin.serialization.ClassDataWithSource
 import org.jetbrains.kotlin.serialization.deserialization.ClassDataFinder
@@ -79,7 +80,9 @@ public class DeserializerForClassfileDecompiler(
         }
         val (nameResolver, packageProto) = JvmProtoBufUtil.readPackageDataFrom(annotationData, strings)
         val membersScope = DeserializedPackageMemberScope(
-                createDummyPackageFragment(packageFqName), packageProto, nameResolver, deserializationComponents
+                createDummyPackageFragment(packageFqName), packageProto, nameResolver,
+                JvmPackagePartSource(JvmClassName.byClassId(binaryClassForPackageClass!!.classId)),
+                deserializationComponents
         ) { emptyList() }
         return membersScope.getContributedDescriptors().toList()
     }

idea/idea-analysis/src/org/jetbrains/kotlin/idea/decompiler/stubBuilder/clsStubBuilding.kt

@@ -24,6 +24,7 @@ import org.jetbrains.kotlin.builtins.KotlinBuiltIns
 import org.jetbrains.kotlin.idea.stubindex.KotlinFileStubForIde
 import org.jetbrains.kotlin.lexer.KtModifierKeywordToken
 import org.jetbrains.kotlin.lexer.KtTokens
+import org.jetbrains.kotlin.load.kotlin.JvmPackagePartSource
 import org.jetbrains.kotlin.load.kotlin.KotlinJvmBinaryClass
 import org.jetbrains.kotlin.name.ClassId
 import org.jetbrains.kotlin.name.FqName
@@ -32,6 +33,7 @@ import org.jetbrains.kotlin.psi.*
 import org.jetbrains.kotlin.psi.stubs.KotlinUserTypeStub
 import org.jetbrains.kotlin.psi.stubs.elements.KtStubElementTypes
 import org.jetbrains.kotlin.psi.stubs.impl.*
+import org.jetbrains.kotlin.resolve.jvm.JvmClassName
 import org.jetbrains.kotlin.serialization.Flags
 import org.jetbrains.kotlin.serialization.ProtoBuf
 import org.jetbrains.kotlin.serialization.deserialization.AnnotatedCallableKind
@@ -52,7 +54,7 @@ fun createPackageFacadeStub(
 ): KotlinFileStubImpl {
     val fileStub = KotlinFileStubForIde.forFile(packageFqName, packageFqName.isRoot)
     setupFileStub(fileStub, packageFqName)
-    createCallableStubs(fileStub, c, ProtoContainer.Package(packageFqName, c.nameResolver, c.typeTable),
+    createCallableStubs(fileStub, c, ProtoContainer.Package(packageFqName, c.nameResolver, c.typeTable, packagePartSource = null),
                         packageProto.functionList, packageProto.propertyList)
     return fileStub
 }
@@ -65,8 +67,10 @@ fun createFileFacadeStub(
     val packageFqName = facadeFqName.parent()
     val fileStub = KotlinFileStubForIde.forFileFacadeStub(facadeFqName, packageFqName.isRoot)
     setupFileStub(fileStub, packageFqName)
-    createCallableStubs(fileStub, c, ProtoContainer.Package(packageFqName, c.nameResolver, c.typeTable),
-                        packageProto.functionList, packageProto.propertyList)
+    val container = ProtoContainer.Package(
+            packageFqName, c.nameResolver, c.typeTable, JvmPackagePartSource(JvmClassName.byFqNameWithoutInnerClasses(facadeFqName))
+    )
+    createCallableStubs(fileStub, c, container, packageProto.functionList, packageProto.propertyList)
     return fileStub
 }
 
@@ -84,8 +88,9 @@ fun createMultifileClassStub(
         val partHeader = partFile.classHeader
         val (nameResolver, packageProto) = JvmProtoBufUtil.readPackageDataFrom(partHeader.annotationData!!, partHeader.strings!!)
         val partContext = components.createContext(nameResolver, packageFqName, TypeTable(packageProto.typeTable))
-        createCallableStubs(fileStub, partContext, ProtoContainer.Package(packageFqName, partContext.nameResolver, partContext.typeTable),
-                            packageProto.functionList, packageProto.propertyList)
+        val container = ProtoContainer.Package(packageFqName, partContext.nameResolver, partContext.typeTable,
+                                               JvmPackagePartSource(JvmClassName.byClassId(partFile.classId)))
+        createCallableStubs(fileStub, partContext, container, packageProto.functionList, packageProto.propertyList)
     }
     return fileStub
 }

idea/idea-analysis/src/org/jetbrains/kotlin/idea/decompiler/textBuilder/DeserializerForDecompilerBase.kt

@@ -81,7 +81,8 @@ public abstract class DeserializerForDecompilerBase(
         val content = file.contentsToByteArray(false)
         val packageProto = content.toPackageProto(paths.extensionRegistry)
         val membersScope = DeserializedPackageMemberScope(
-                createDummyPackageFragment(packageFqName), packageProto, nameResolver, deserializationComponents
+                createDummyPackageFragment(packageFqName), packageProto, nameResolver, packagePartSource = null,
+                components = deserializationComponents
         ) { emptyList() }
         return membersScope.getContributedDescriptors().toList()
     }