diff --git a/compiler/frontend/src/org/jetbrains/jet/lang/psi/Call.java b/compiler/frontend/src/org/jetbrains/jet/lang/psi/Call.java
index 4d5a1fa5937ff6dadb6bd2dbc613960b27ee7127..d3c46683dbb88fda253a4bf6a2486fb3a3d6eac9 100644
--- a/compiler/frontend/src/org/jetbrains/jet/lang/psi/Call.java
+++ b/compiler/frontend/src/org/jetbrains/jet/lang/psi/Call.java
@@ -36,6 +36,9 @@ public interface Call {
     @NotNull
     ReceiverDescriptor getExplicitReceiver();
 
+    @NotNull
+    ReceiverDescriptor getThisObject();
+
     @Nullable
     JetExpression getCalleeExpression();
 
diff --git a/compiler/frontend/src/org/jetbrains/jet/lang/resolve/calls/CallMaker.java b/compiler/frontend/src/org/jetbrains/jet/lang/resolve/calls/CallMaker.java
index abdb02465b6e32a05cade3ffb6068d60cd10fb84..98e42503e8559b592ffbc73617341bccdf36da58 100644
--- a/compiler/frontend/src/org/jetbrains/jet/lang/resolve/calls/CallMaker.java
+++ b/compiler/frontend/src/org/jetbrains/jet/lang/resolve/calls/CallMaker.java
@@ -98,6 +98,12 @@ public class CallMaker {
             return explicitReceiver;
         }
 
+        @NotNull
+        @Override
+        public ReceiverDescriptor getThisObject() {
+            return ReceiverDescriptor.NO_RECEIVER;
+        }
+
         @Override
         public JetExpression getCalleeExpression() {
             return calleeExpression;
@@ -199,6 +205,12 @@ public class CallMaker {
                 return explicitReceiver;
             }
 
+            @NotNull
+            @Override
+            public ReceiverDescriptor getThisObject() {
+                return ReceiverDescriptor.NO_RECEIVER;
+            }
+
             @Nullable
             public JetExpression getCalleeExpression() {
                 return callElement.getCalleeExpression();
diff --git a/compiler/frontend/src/org/jetbrains/jet/lang/resolve/calls/DelegatingCall.java b/compiler/frontend/src/org/jetbrains/jet/lang/resolve/calls/DelegatingCall.java
index 80cc4eb7f2945e8a1230fe915aee529dcb1ce02e..9c82f0829d86f8a47363f5150b0f8c1fb7872325 100644
--- a/compiler/frontend/src/org/jetbrains/jet/lang/resolve/calls/DelegatingCall.java
+++ b/compiler/frontend/src/org/jetbrains/jet/lang/resolve/calls/DelegatingCall.java
@@ -48,6 +48,12 @@ public class DelegatingCall implements Call {
         return delegate.getExplicitReceiver();
     }
 
+    @NotNull
+    @Override
+    public ReceiverDescriptor getThisObject() {
+        return delegate.getThisObject();
+    }
+
     @Override
     @Nullable
     public JetExpression getCalleeExpression() {