Minor changes after code review

idea/idea-completion/src/org/jetbrains/kotlin/idea/completion/BasicLookupElementFactory.kt

@@ -175,7 +175,10 @@ class BasicLookupElementFactory(
                     element = element.withPresentableText(DescriptorRenderer.SHORT_NAMES_IN_TYPES.renderClassifierName(descriptor))
 
                     while (container is ClassDescriptor) {
-                        element = element.withLookupString(container.name.asString())
+                        val containerName = container.name
+                        if (!containerName.isSpecial) {
+                            element = element.withLookupString(containerName.asString())
+                        }
                         container = container.getContainingDeclaration()
                     }
                 }

idea/idea-completion/src/org/jetbrains/kotlin/idea/completion/LookupElementFactory.kt

@@ -132,7 +132,7 @@ class LookupElementFactory(
         var parametersRenderer = DescriptorRenderer.SHORT_NAMES_IN_TYPES
         if (descriptor.valueParameters.size() > 1) {
             parametersRenderer = parametersRenderer.withOptions {
-                valueParametersHandler = object: DescriptorRenderer.ValueParametersHandler by DescriptorRenderer.ValueParametersHandler.DEFAULT {
+                valueParametersHandler = object: DescriptorRenderer.ValueParametersHandler by this.valueParametersHandler {
                     override fun appendBeforeValueParameter(parameter: ValueParameterDescriptor, parameterIndex: Int, parameterCount: Int, builder: StringBuilder) {
                         builder.append("..., ")
                     }
@@ -236,12 +236,12 @@ class LookupElementFactory(
     ): LookupElement {
         var element = basicFactory.createLookupElement(descriptor, qualifyNestedClasses, includeClassTypeArguments)
 
-        val weight = callableWeight(descriptor)
-        if (weight != null) {
-            element.putUserData(CALLABLE_WEIGHT_KEY, weight) // store for use in lookup elements sorting
-        }
-
         if (useReceiverTypes) {
+            val weight = callableWeight(descriptor)
+            if (weight != null) {
+                element.putUserData(CALLABLE_WEIGHT_KEY, weight) // store for use in lookup elements sorting
+            }
+
             element = element.boldIfImmediate(weight)
         }
         return element

idea/idea-completion/testData/smartMultiFile/NestedClassAfterAs/JavaClass.java

@@ -0,0 +1,3 @@
+class JavaClass {
+    public class Nested{}
+}

idea/idea-completion/testData/smartMultiFile/NestedClassAfterAs/NestedClassAfterAs.kt

@@ -0,0 +1,13 @@
+class KotlinClass {
+    class Nested
+}
+
+fun foo(o: Any) {
+    f(o as <caret>)
+}
+
+fun f(p: JavaClass.Nested){}
+fun f(p: KotlinClass.Nested){}
+
+// EXIST: { lookupString: "Nested", allLookupStrings: "JavaClass, Nested", itemText: "JavaClass.Nested", tailText: " (<root>)" }
+// EXIST: { lookupString: "Nested", allLookupStrings: "KotlinClass, Nested", itemText: "KotlinClass.Nested", tailText: " (<root>)" }

idea/idea-completion/tests/org/jetbrains/kotlin/idea/completion/test/MultiFileSmartCompletionTestGenerated.java

@@ -113,6 +113,12 @@ public class MultiFileSmartCompletionTestGenerated extends AbstractMultiFileSmar
         doTest(fileName);
     }
 
+    @TestMetadata("NestedClassAfterAs")
+    public void testNestedClassAfterAs() throws Exception {
+        String fileName = JetTestUtils.navigationMetadata("idea/idea-completion/testData/smartMultiFile/NestedClassAfterAs/");
+        doTest(fileName);
+    }
+
     @TestMetadata("NoObjectDuplication")
     public void testNoObjectDuplication() throws Exception {
         String fileName = JetTestUtils.navigationMetadata("idea/idea-completion/testData/smartMultiFile/NoObjectDuplication/");