added 'INVOKE' CallType

compiler/frontend/src/org/jetbrains/jet/lang/psi/Call.java

@@ -58,7 +58,7 @@ public interface Call {
     PsiElement getCallElement();
 
     enum CallType {
-        DEFAULT, ARRAY_GET_METHOD, ARRAY_SET_METHOD
+        DEFAULT, ARRAY_GET_METHOD, ARRAY_SET_METHOD, INVOKE
     }
 
     @NotNull

compiler/frontend/src/org/jetbrains/jet/lang/resolve/calls/CallTransformer.java

@@ -253,5 +253,15 @@ public class CallTransformer<D extends CallableDescriptor, F extends D> {
             return invokeExpression;
         }
 
+        @NotNull
+        @Override
+        public CallType getCallType() {
+            return CallType.INVOKE;
+        }
+
+        @NotNull
+        public Call getOuterCall() {
+            return outerCall;
+        }
     }
 }