Functions types with receivers

idea/src/org/jetbrains/jet/JetNodeTypes.java

@@ -42,6 +42,7 @@ public interface JetNodeTypes {
     JetNodeType LABELED_TUPLE_ENTRY = new JetNodeType("LABELED_TUPLE_ENTRY");
     JetNodeType TUPLE_TYPE = new JetNodeType("TUPLE_TYPE");
     JetNodeType VALUE_PARAMETER = new JetNodeType("VALUE_PARAMETER");
+    JetNodeType FUNCTION_TYPE = new JetNodeType("FUNCTION_TYPE");
 
 
     IElementType NAMESPACE_NAME = new JetNodeType("NAMESPACE_NAME");

idea/src/org/jetbrains/jet/lang/parsing/JetParsing.java

@@ -752,12 +752,14 @@ public class JetParsing {
      */
     private void parseSimpleFunctionType() {
         assert at(LBRACE);
+        PsiBuilder.Marker functionType = mark();
 
         advance(); // LBRACE
 
         parseFunctionTypeContents();
 
         expect(RBRACE, "Expecting '}");
+        functionType.done(FUNCTION_TYPE);
     }
 
     /*