Fix up after the code review. Squash me.

backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/descriptors/DescriptorUtils.kt

@@ -296,7 +296,7 @@ internal fun FunctionDescriptor.bridgeDirectionsTo(overriddenDescriptor: Functio
     return ourDirections
 }
 
-internal fun DeclarationDescriptor.findPackage(): PackageFragmentDescriptor {
+tailrec internal fun DeclarationDescriptor.findPackage(): PackageFragmentDescriptor {
     return if (this is PackageFragmentDescriptor) this 
         else this.containingDeclaration!!.findPackage()
 }

backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/serialization/IrDescriptorDeserializer.kt

@@ -30,7 +30,8 @@ import org.jetbrains.kotlin.resolve.calls.tasks.createSynthesizedInvokes
 import org.jetbrains.kotlin.resolve.scopes.MemberScope
 import org.jetbrains.kotlin.serialization.KonanIr
 import org.jetbrains.kotlin.serialization.KonanIr.KotlinDescriptor
-import org.jetbrains.kotlin.serialization.KonanIr.DeclarationDescriptor.DescriptorCase.*
+import org.jetbrains.kotlin.serialization.KonanIr.KotlinDescriptor.Kind.*
+import org.jetbrains.kotlin.serialization.KonanIr.DeclarationDescriptor.*
 import org.jetbrains.kotlin.serialization.KonanLinkData
 import org.jetbrains.kotlin.serialization.ProtoBuf
 import org.jetbrains.kotlin.serialization.deserialization.NameResolver
@@ -83,13 +84,13 @@ internal class IrDescriptorDeserializer(val context: Context,
         val index = irProto.index
         //val localDeserializer = LocalDeclarationDeserializer(parent)
         val descriptor: DeclarationDescriptor = when(localDeclarationProto.descriptorCase) {
-            FUNCTION ->
+            DescriptorCase.FUNCTION ->
                 localDeserializer.deserializeFunction(irProto)
-            PROPERTY ->
+            DescriptorCase.PROPERTY ->
                 localDeserializer.deserializeProperty(irProto)
-            CLAZZ ->
+            DescriptorCase.CLAZZ ->
                 localDeserializer.deserializeClass(irProto)
-            CONSTRUCTOR ->
+            DescriptorCase.CONSTRUCTOR ->
                 localDeserializer.deserializeConstructor(irProto)
             else -> TODO("Unexpected descriptor kind")
         }
@@ -105,23 +106,11 @@ internal class IrDescriptorDeserializer(val context: Context,
         val kind = proto.kind
 
         val descriptor = when (kind) {
-            KonanIr.KotlinDescriptor.Kind.VALUE_PARAMETER,
-            KonanIr.KotlinDescriptor.Kind.TYPE_PARAMETER,
-            KonanIr.KotlinDescriptor.Kind.RECEIVER,
-            // Properties can only be found in local
-            // classes, so no need to look for them
-            // in the public descriptor tree.
-            KonanIr.KotlinDescriptor.Kind.PROPERTY,
-            KonanIr.KotlinDescriptor.Kind.VARIABLE ->
+            VALUE_PARAMETER, TYPE_PARAMETER, RECEIVER, PROPERTY, VARIABLE ->
                 descriptorIndex[index]!!
-
-            KonanIr.KotlinDescriptor.Kind.CLASS,
-            KonanIr.KotlinDescriptor.Kind.CONSTRUCTOR,
-            KonanIr.KotlinDescriptor.Kind.FUNCTION,
-            KonanIr.KotlinDescriptor.Kind.ACCESSOR -> {
+            CLASS, CONSTRUCTOR, FUNCTION, ACCESSOR ->
                 descriptorIndex[index] ?:
                     findInTheDescriptorTree(proto)!!
-            }
             else -> TODO("Unexpected descriptor kind: $kind")
         }
 
@@ -306,7 +295,7 @@ internal class IrDescriptorDeserializer(val context: Context,
         val classOrPackage = proto.classOrPackage
         val name = proto.name
         when (proto.kind) {
-            KotlinDescriptor.Kind.CLASS -> {
+            CLASS -> {
                 val parentScope = 
                     parentMemberScopeByFqNameIndex(classOrPackage)
                 val clazz = parentScope.getContributedClassifier(
@@ -314,13 +303,12 @@ internal class IrDescriptorDeserializer(val context: Context,
                 return listOf(clazz!!)
 
             }
-            KotlinDescriptor.Kind.CONSTRUCTOR -> {
+            CONSTRUCTOR -> {
                 val parent = parentByFqNameIndex(classOrPackage)
                 assert(parent is ClassDescriptor)
                 return (parent as ClassDescriptor).constructors
             }
-            KotlinDescriptor.Kind.ACCESSOR, 
-            KotlinDescriptor.Kind.FUNCTION -> {
+            ACCESSOR, FUNCTION -> {
                 val parentScope = 
                     parentMemberScopeByFqNameIndex(classOrPackage)
                 return parentScope.contributedMethods.filter{
@@ -389,14 +377,10 @@ internal class IrDescriptorDeserializer(val context: Context,
         DeclarationDescriptor {
 
         return when(proto.kind) {
-            KotlinDescriptor.Kind.FUNCTION -> 
-                selectFunction(matching, proto)
-            KotlinDescriptor.Kind.ACCESSOR -> 
-                selectAccessor(matching, proto)
-            KotlinDescriptor.Kind.CONSTRUCTOR -> 
-                selectConstructor(matching, proto)
-            KotlinDescriptor.Kind.CLASS ->
-                matching.single()
+            FUNCTION ->    selectFunction(matching, proto)
+            ACCESSOR ->    selectAccessor(matching, proto)
+            CONSTRUCTOR -> selectConstructor(matching, proto)
+            CLASS ->       matching.single()
             else -> TODO("don't know how to select ${proto.kind}")
         }
     }

backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/serialization/KonanDescriptorSerializer.kt

@@ -295,8 +295,7 @@ class KonanDescriptorSerializer private constructor(
 
         extension.serializeFunction(descriptor, builder)
 
-        if (extension is IrAwareExtension
-                && descriptor.needsSerializedIr) {
+        if (extension is IrAwareExtension && descriptor.needsSerializedIr) {
             extension.addFunctionIR(builder,
                     extension.serializeInlineBody(descriptor, local))
         }
@@ -324,8 +323,7 @@ class KonanDescriptorSerializer private constructor(
 
         extension.serializeConstructor(descriptor, builder)
 
-        if (extension is IrAwareExtension 
-            && descriptor.needsSerializedIr) {
+        if (extension is IrAwareExtension && descriptor.needsSerializedIr) {
             extension.addConstructorIR(builder, 
                 extension.serializeInlineBody(descriptor, local))
         }
@@ -453,10 +451,7 @@ class KonanDescriptorSerializer private constructor(
         return builder
     }
 
-    public fun typeId(type: KotlinType): Int {
-        val result = typeTable[type(type)]
-        return result
-    }
+    public fun typeId(type: KotlinType) = typeTable[type(type)]
 
     private fun type(type: KotlinType): ProtoBuf.Type.Builder {
         val builder = ProtoBuf.Type.newBuilder()

backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/serialization/LocalDeclarationSerializer.kt

@@ -60,8 +60,7 @@ internal class LocalDeclarationSerializer(val context: Context, val rootFunction
     val localSerializer 
         get() = contextStack.peek()!!
 
-    val typeSerializer: ((KotlinType)->Int)
-        get() = {it -> localSerializer.typeId(it)}
+    fun typeSerializer(type: KotlinType) = localSerializer.typeId(type)
 
     fun serializeLocalDeclaration(descriptor: DeclarationDescriptor): KonanIr.DeclarationDescriptor {