# HG changeset patch
# User Paul Boddie <paul@boddie.org.uk>
# Date 1337376729 -7200
# Node ID 3691cd20aa0ac80d4dc95d9b5df7c31067fbd636
# Parent  623709565ebc5df1a81c00f6ae836526cd162f94
Added visit methods for new Python 2.7 AST nodes.

diff -r 623709565ebc -r 3691cd20aa0a compiler/ast.py
--- a/compiler/ast.py	Tue May 01 22:08:33 2012 +0200
+++ b/compiler/ast.py	Fri May 18 23:32:09 2012 +0200
@@ -1052,6 +1052,9 @@
     def __repr__(self):
         return "SetComp(%s, %s)" % (repr(self.expr), repr(self.quals))
 
+    def visit(self, visitor):
+        return visitor.visitSetComp(self)
+
 class DictComp(Node):
     def __init__(self, key, value, quals, lineno=None):
         self.key = key
@@ -1076,6 +1079,9 @@
     def __repr__(self):
         return "DictComp(%s, %s, %s)" % (repr(self.key), repr(self.value), repr(self.quals))
 
+    def visit(self, visitor):
+        return visitor.visitDictComp(self)
+
 class Mod(Node):
     def __init__(self, leftright, lineno=None):
         self.left = leftright[0]
@@ -1348,6 +1354,9 @@
     def __repr__(self):
         return "Set(%s)" % (repr(self.nodes),)
 
+    def visit(self, visitor):
+        return visitor.visitSet(self)
+
 class Slice(Node):
     def __init__(self, expr, flags, lower, upper, lineno=None):
         self.expr = expr