def __eq__(self, o):
if isinstance(o, AST):
return self.type == o.type and UserList.__eq__(self, o)
else:
# Don't forbid other types since we may try to compare AST with
# Tokens.
return self.type == o
def __init__(self, type, kids=[]):
self.type = intern(str(type))
UserList.__init__(self, kids)