Add JetInvokeFunctionReference for JetCallExpression

js/js.translator/src/org/jetbrains/k2js/translate/expression/ExpressionVisitor.java

@@ -326,7 +326,10 @@ public final class ExpressionVisitor extends TranslatorVisitor<JsNode> {
     @NotNull
     public JsNode visitThisExpression(@NotNull JetThisExpression expression,
             @NotNull TranslationContext context) {
-        return context.getThisObject(getDescriptorForReferenceExpression(context.bindingContext(), expression.getInstanceReference()));
+        DeclarationDescriptor thisExpression =
+                getDescriptorForReferenceExpression(context.bindingContext(), expression.getInstanceReference());
+        assert thisExpression != null : "This expression must reference a descriptor: " + expression.getText();
+        return context.getThisObject(thisExpression);
     }
 
     @Override

js/js.translator/src/org/jetbrains/k2js/translate/reference/ReferenceAccessTranslator.java

@@ -37,6 +37,7 @@ public final class ReferenceAccessTranslator extends AbstractTranslator implemen
     /*package*/ static ReferenceAccessTranslator newInstance(@NotNull JetSimpleNameExpression expression,
                                                              @NotNull TranslationContext context) {
         DeclarationDescriptor referenceDescriptor = getDescriptorForReferenceExpression(context.bindingContext(), expression);
+        assert referenceDescriptor != null : "JetSimpleName expression must reference a descriptor " + expression.getText();
         return new ReferenceAccessTranslator(referenceDescriptor, context);
     }
 

js/js.translator/src/org/jetbrains/k2js/translate/utils/BindingUtils.java

@@ -123,13 +123,16 @@ public final class BindingUtils {
         return context.get(BindingContext.PRIMARY_CONSTRUCTOR_PARAMETER, parameter);
     }
 
-    @NotNull
+    @Nullable
     public static DeclarationDescriptor getDescriptorForReferenceExpression(@NotNull BindingContext context,
             @NotNull JetReferenceExpression reference) {
         DeclarationDescriptor referencedDescriptor = getNullableDescriptorForReferenceExpression(context, reference);
-        assert referencedDescriptor != null
-                : message(reference, "Reference expression must reference a descriptor for reference " + reference.getText());
-        return referencedDescriptor;
+        if (BindingContextUtils.isExpressionWithValidReference(reference, context)) {
+            assert referencedDescriptor != null
+                    : message(reference, "Reference expression must reference a descriptor for reference " + reference.getText());
+            return referencedDescriptor;
+        }
+        return null;
     }
 
     @Nullable