Small change to obsessively match CPython AST.

xiaoyinl · Jan 15, 2009 · 2394b84 · 2394b84
1 parent 2ebbfef
commit 2394b84
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/grammar/Python.g b/grammar/Python.g
@@ -1412,9 +1412,9 @@ subscript returns [slice sltype]
 //sliceop: ':' [test]
 sliceop
     : COLON
-      (test[expr_contextType.Load]
-     -> test
-      )?
+     (test[expr_contextType.Load] -> test
+     |-> ^(COLON<Name>[$COLON, "None", expr_contextType.Load])
+     )
     ;
 
 //exprlist: expr (',' expr)* [',']