1 files changed, 11 insertions, 0 deletions
diff --git a/Tools/compiler/ast.txt b/Tools/compiler/ast.txt
index 3f8953b..6a990d4 100644
--- a/Tools/compiler/ast.txt
+++ b/Tools/compiler/ast.txt
@@ -38,6 +38,10 @@ AssAttr: expr, attrname*, flags*
 ListComp: expr, quals!
 ListCompFor: assign, list, ifs!
 ListCompIf: test
+GenExpr: code 
+GenExprInner: expr, quals!
+GenExprFor: assign, iter, ifs!
+GenExprIf: test
 List: nodes!
 Dict: items!
 Not: expr
@@ -85,3 +89,10 @@ init(Lambda):
         self.varargs = 1
     if flags & CO_VARKEYWORDS:
         self.kwargs = 1
+
+init(GenExpr):
+    self.argnames = ['[outmost-iterable]']
+    self.varargs = self.kwargs = None
+
+init(GenExprFor):
+    self.is_outmost = False