Re-created after change to astgen to calculate hardest_arg correctly

2 files changed, 1206 insertions, 1154 deletions

diff --git a/Lib/compiler/ast.py b/Lib/compiler/ast.py
index 53dc410..9a5d53c 100644
--- a/Lib/compiler/ast.py
+++ b/Lib/compiler/ast.py
@@ -48,415 +48,455 @@ class Node: # an abstract base class
 class EmptyNode(Node):
     pass
 
-class If(Node):
-    nodes["if"] = "If"
-    def __init__(self, tests, else_):
-        self.tests = tests
-        self.else_ = else_
+class Slice(Node):
+    nodes["slice"] = "Slice"
+    def __init__(self, expr, flags, lower, upper):
+        self.expr = expr
+        self.flags = flags
+        self.lower = lower
+        self.upper = upper
 
     def getChildren(self):
         children = []
-        children.extend(flatten(self.tests))
-        children.append(self.else_)
+        children.append(self.expr)
+        children.append(self.flags)
+        children.append(self.lower)
+        children.append(self.upper)
         return tuple(children)
 
     def getChildNodes(self):
         nodes = []
-        nodes.extend(flatten_nodes(self.tests))
-        if self.else_ is not None:            nodes.append(self.else_)
+        nodes.append(self.expr)
+        if self.lower is not None:            nodes.append(self.lower)
+        if self.upper is not None:            nodes.append(self.upper)
         return tuple(nodes)
 
     def __repr__(self):
-        return "If(%s, %s)" % (repr(self.tests), repr(self.else_))
+        return "Slice(%s, %s, %s, %s)" % (repr(self.expr), repr(self.flags), repr(self.lower), repr(self.upper))
 
-class ListComp(Node):
-    nodes["listcomp"] = "ListComp"
-    def __init__(self, expr, quals):
-        self.expr = expr
-        self.quals = quals
+class Const(Node):
+    nodes["const"] = "Const"
+    def __init__(self, value):
+        self.value = value
+
+    def getChildren(self):
+        return self.value,
+
+    def getChildNodes(self):
+        return ()
+
+    def __repr__(self):
+        return "Const(%s)" % (repr(self.value),)
+
+class Raise(Node):
+    nodes["raise"] = "Raise"
+    def __init__(self, expr1, expr2, expr3):
+        self.expr1 = expr1
+        self.expr2 = expr2
+        self.expr3 = expr3
 
     def getChildren(self):
         children = []
-        children.append(self.expr)
-        children.extend(flatten(self.quals))
+        children.append(self.expr1)
+        children.append(self.expr2)
+        children.append(self.expr3)
         return tuple(children)
 
     def getChildNodes(self):
         nodes = []
-        nodes.append(self.expr)
-        nodes.extend(flatten_nodes(self.quals))
+        if self.expr1 is not None:            nodes.append(self.expr1)
+        if self.expr2 is not None:            nodes.append(self.expr2)
+        if self.expr3 is not None:            nodes.append(self.expr3)
         return tuple(nodes)
 
     def __repr__(self):
-        return "ListComp(%s, %s)" % (repr(self.expr), repr(self.quals))
+        return "Raise(%s, %s, %s)" % (repr(self.expr1), repr(self.expr2), repr(self.expr3))
 
-class Bitor(Node):
-    nodes["bitor"] = "Bitor"
-    def __init__(self, nodes):
-        self.nodes = nodes
+class For(Node):
+    nodes["for"] = "For"
+    def __init__(self, assign, list, body, else_):
+        self.assign = assign
+        self.list = list
+        self.body = body
+        self.else_ = else_
 
     def getChildren(self):
         children = []
-        children.extend(flatten(self.nodes))
+        children.append(self.assign)
+        children.append(self.list)
+        children.append(self.body)
+        children.append(self.else_)
         return tuple(children)
 
     def getChildNodes(self):
         nodes = []
-        nodes.extend(flatten_nodes(self.nodes))
+        nodes.append(self.assign)
+        nodes.append(self.list)
+        nodes.append(self.body)
+        if self.else_ is not None:            nodes.append(self.else_)
         return tuple(nodes)
 
     def __repr__(self):
-        return "Bitor(%s)" % (repr(self.nodes),)
+        return "For(%s, %s, %s, %s)" % (repr(self.assign), repr(self.list), repr(self.body), repr(self.else_))
 
-class Pass(Node):
-    nodes["pass"] = "Pass"
-    def __init__(self, ):
-        pass
+class AssTuple(Node):
+    nodes["asstuple"] = "AssTuple"
+    def __init__(self, nodes):
+        self.nodes = nodes
 
     def getChildren(self):
-        return ()
+        children = []
+        children.extend(flatten(self.nodes))
+        return tuple(children)
 
     def getChildNodes(self):
-        return ()
+        nodes = []
+        nodes.extend(flatten_nodes(self.nodes))
+        return tuple(nodes)
 
     def __repr__(self):
-        return "Pass()"
+        return "AssTuple(%s)" % (repr(self.nodes),)
 
-class Module(Node):
-    nodes["module"] = "Module"
-    def __init__(self, doc, node):
-        self.doc = doc
-        self.node = node
+class Mul(Node):
+    nodes["mul"] = "Mul"
+    def __init__(self, (left, right)):
+        self.left = left
+        self.right = right
 
     def getChildren(self):
-        return self.doc, self.node
+        return self.left, self.right
 
     def getChildNodes(self):
-        return self.node,
+        return self.left, self.right
 
     def __repr__(self):
-        return "Module(%s, %s)" % (repr(self.doc), repr(self.node))
+        return "Mul((%s, %s))" % (repr(self.left), repr(self.right))
 
-class Global(Node):
-    nodes["global"] = "Global"
-    def __init__(self, names):
-        self.names = names
+class Invert(Node):
+    nodes["invert"] = "Invert"
+    def __init__(self, expr):
+        self.expr = expr
 
     def getChildren(self):
-        return self.names,
+        return self.expr,
 
     def getChildNodes(self):
-        return ()
+        return self.expr,
 
     def __repr__(self):
-        return "Global(%s)" % (repr(self.names),)
+        return "Invert(%s)" % (repr(self.expr),)
 
-class CallFunc(Node):
-    nodes["callfunc"] = "CallFunc"
-    def __init__(self, node, args, star_args = None, dstar_args = None):
-        self.node = node
-        self.args = args
-        self.star_args = star_args
-        self.dstar_args = dstar_args
+class RightShift(Node):
+    nodes["rightshift"] = "RightShift"
+    def __init__(self, (left, right)):
+        self.left = left
+        self.right = right
 
     def getChildren(self):
-        children = []
-        children.append(self.node)
-        children.extend(flatten(self.args))
-        children.append(self.star_args)
-        children.append(self.dstar_args)
-        return tuple(children)
+        return self.left, self.right
 
     def getChildNodes(self):
-        nodes = []
-        nodes.append(self.node)
-        nodes.extend(flatten_nodes(self.args))
-        if self.star_args is not None:            nodes.append(self.star_args)
-        if self.dstar_args is not None:            nodes.append(self.dstar_args)
-        return tuple(nodes)
+        return self.left, self.right
 
     def __repr__(self):
-        return "CallFunc(%s, %s, %s, %s)" % (repr(self.node), repr(self.args), repr(self.star_args), repr(self.dstar_args))
+        return "RightShift((%s, %s))" % (repr(self.left), repr(self.right))
 
-class Printnl(Node):
-    nodes["printnl"] = "Printnl"
-    def __init__(self, nodes, dest):
+class AssList(Node):
+    nodes["asslist"] = "AssList"
+    def __init__(self, nodes):
         self.nodes = nodes
-        self.dest = dest
 
     def getChildren(self):
         children = []
         children.extend(flatten(self.nodes))
-        children.append(self.dest)
         return tuple(children)
 
     def getChildNodes(self):
         nodes = []
         nodes.extend(flatten_nodes(self.nodes))
-        if self.dest is not None:            nodes.append(self.dest)
         return tuple(nodes)
 
     def __repr__(self):
-        return "Printnl(%s, %s)" % (repr(self.nodes), repr(self.dest))
+        return "AssList(%s)" % (repr(self.nodes),)
 
-class Tuple(Node):
-    nodes["tuple"] = "Tuple"
-    def __init__(self, nodes):
-        self.nodes = nodes
+class From(Node):
+    nodes["from"] = "From"
+    def __init__(self, modname, names):
+        self.modname = modname
+        self.names = names
 
     def getChildren(self):
-        children = []
-        children.extend(flatten(self.nodes))
-        return tuple(children)
+        return self.modname, self.names
 
     def getChildNodes(self):
-        nodes = []
-        nodes.extend(flatten_nodes(self.nodes))
-        return tuple(nodes)
+        return ()
 
     def __repr__(self):
-        return "Tuple(%s)" % (repr(self.nodes),)
+        return "From(%s, %s)" % (repr(self.modname), repr(self.names))
 
-class Compare(Node):
-    nodes["compare"] = "Compare"
-    def __init__(self, expr, ops):
+class Getattr(Node):
+    nodes["getattr"] = "Getattr"
+    def __init__(self, expr, attrname):
         self.expr = expr
-        self.ops = ops
+        self.attrname = attrname
 
     def getChildren(self):
-        children = []
-        children.append(self.expr)
-        children.extend(flatten(self.ops))
-        return tuple(children)
+        return self.expr, self.attrname
 
     def getChildNodes(self):
-        nodes = []
-        nodes.append(self.expr)
-        nodes.extend(flatten_nodes(self.ops))
-        return tuple(nodes)
+        return self.expr,
 
     def __repr__(self):
-        return "Compare(%s, %s)" % (repr(self.expr), repr(self.ops))
+        return "Getattr(%s, %s)" % (repr(self.expr), repr(self.attrname))
 
-class And(Node):
-    nodes["and"] = "And"
-    def __init__(self, nodes):
-        self.nodes = nodes
+class Dict(Node):
+    nodes["dict"] = "Dict"
+    def __init__(self, items):
+        self.items = items
 
     def getChildren(self):
         children = []
-        children.extend(flatten(self.nodes))
+        children.extend(flatten(self.items))
         return tuple(children)
 
     def getChildNodes(self):
         nodes = []
-        nodes.extend(flatten_nodes(self.nodes))
+        nodes.extend(flatten_nodes(self.items))
         return tuple(nodes)
 
     def __repr__(self):
-        return "And(%s)" % (repr(self.nodes),)
-
-class Lambda(Node):
-    nodes["lambda"] = "Lambda"
-    def __init__(self, argnames, defaults, flags, code):
-        self.argnames = argnames
-        self.defaults = defaults
-        self.flags = flags
-        self.code = code
-        self.varargs = self.kwargs = None
-        if flags & CO_VARARGS:
-            self.varargs = 1
-        if flags & CO_VARKEYWORDS:
-            self.kwargs = 1
+        return "Dict(%s)" % (repr(self.items),)
 
+class Module(Node):
+    nodes["module"] = "Module"
+    def __init__(self, doc, node):
+        self.doc = doc
+        self.node = node
 
     def getChildren(self):
-        return self.argnames, self.defaults, self.flags, self.code
+        return self.doc, self.node
 
     def getChildNodes(self):
-        return self.code,
+        return self.node,
 
     def __repr__(self):
-        return "Lambda(%s, %s, %s, %s)" % (repr(self.argnames), repr(self.defaults), repr(self.flags), repr(self.code))
+        return "Module(%s, %s)" % (repr(self.doc), repr(self.node))
 
-class Assign(Node):
-    nodes["assign"] = "Assign"
-    def __init__(self, nodes, expr):
-        self.nodes = nodes
+class UnaryAdd(Node):
+    nodes["unaryadd"] = "UnaryAdd"
+    def __init__(self, expr):
         self.expr = expr
 
     def getChildren(self):
-        children = []
-        children.extend(flatten(self.nodes))
-        children.append(self.expr)
-        return tuple(children)
+        return self.expr,
 
     def getChildNodes(self):
-        nodes = []
-        nodes.extend(flatten_nodes(self.nodes))
-        nodes.append(self.expr)
-        return tuple(nodes)
+        return self.expr,
 
     def __repr__(self):
-        return "Assign(%s, %s)" % (repr(self.nodes), repr(self.expr))
+        return "UnaryAdd(%s)" % (repr(self.expr),)
 
-class Sub(Node):
-    nodes["sub"] = "Sub"
-    def __init__(self, (left, right)):
-        self.left = left
-        self.right = right
+class Ellipsis(Node):
+    nodes["ellipsis"] = "Ellipsis"
+    def __init__(self, ):
+        pass
 
     def getChildren(self):
-        return self.left, self.right
+        return ()
 
     def getChildNodes(self):
-        return self.left, self.right
+        return ()
 
     def __repr__(self):
-        return "Sub((%s, %s))" % (repr(self.left), repr(self.right))
+        return "Ellipsis()"
 
-class ListCompIf(Node):
-    nodes["listcompif"] = "ListCompIf"
-    def __init__(self, test):
-        self.test = test
+class Print(Node):
+    nodes["print"] = "Print"
+    def __init__(self, nodes, dest):
+        self.nodes = nodes
+        self.dest = dest
 
     def getChildren(self):
-        return self.test,
+        children = []
+        children.extend(flatten(self.nodes))
+        children.append(self.dest)
+        return tuple(children)
 
     def getChildNodes(self):
-        return self.test,
+        nodes = []
+        nodes.extend(flatten_nodes(self.nodes))
+        if self.dest is not None:            nodes.append(self.dest)
+        return tuple(nodes)
 
     def __repr__(self):
-        return "ListCompIf(%s)" % (repr(self.test),)
+        return "Print(%s, %s)" % (repr(self.nodes), repr(self.dest))
 
-class Div(Node):
-    nodes["div"] = "Div"
-    def __init__(self, (left, right)):
-        self.left = left
-        self.right = right
+class Import(Node):
+    nodes["import"] = "Import"
+    def __init__(self, names):
+        self.names = names
 
     def getChildren(self):
-        return self.left, self.right
+        return self.names,
 
     def getChildNodes(self):
-        return self.left, self.right
+        return ()
 
     def __repr__(self):
-        return "Div((%s, %s))" % (repr(self.left), repr(self.right))
+        return "Import(%s)" % (repr(self.names),)
 
-class Discard(Node):
-    nodes["discard"] = "Discard"
-    def __init__(self, expr):
+class Subscript(Node):
+    nodes["subscript"] = "Subscript"
+    def __init__(self, expr, flags, subs):
         self.expr = expr
+        self.flags = flags
+        self.subs = subs
 
     def getChildren(self):
-        return self.expr,
+        children = []
+        children.append(self.expr)
+        children.append(self.flags)
+        children.extend(flatten(self.subs))
+        return tuple(children)
 
     def getChildNodes(self):
-        return self.expr,
+        nodes = []
+        nodes.append(self.expr)
+        nodes.extend(flatten_nodes(self.subs))
+        return tuple(nodes)
 
     def __repr__(self):
-        return "Discard(%s)" % (repr(self.expr),)
+        return "Subscript(%s, %s, %s)" % (repr(self.expr), repr(self.flags), repr(self.subs))
 
-class Backquote(Node):
-    nodes["backquote"] = "Backquote"
-    def __init__(self, expr):
-        self.expr = expr
+class TryExcept(Node):
+    nodes["tryexcept"] = "TryExcept"
+    def __init__(self, body, handlers, else_):
+        self.body = body
+        self.handlers = handlers
+        self.else_ = else_
 
     def getChildren(self):
-        return self.expr,
+        children = []
+        children.append(self.body)
+        children.extend(flatten(self.handlers))
+        children.append(self.else_)
+        return tuple(children)
 
     def getChildNodes(self):
-        return self.expr,
+        nodes = []
+        nodes.append(self.body)
+        nodes.extend(flatten_nodes(self.handlers))
+        if self.else_ is not None:            nodes.append(self.else_)
+        return tuple(nodes)
 
     def __repr__(self):
-        return "Backquote(%s)" % (repr(self.expr),)
+        return "TryExcept(%s, %s, %s)" % (repr(self.body), repr(self.handlers), repr(self.else_))
 
-class RightShift(Node):
-    nodes["rightshift"] = "RightShift"
-    def __init__(self, (left, right)):
-        self.left = left
-        self.right = right
+class Or(Node):
+    nodes["or"] = "Or"
+    def __init__(self, nodes):
+        self.nodes = nodes
 
     def getChildren(self):
-        return self.left, self.right
+        children = []
+        children.extend(flatten(self.nodes))
+        return tuple(children)
 
     def getChildNodes(self):
-        return self.left, self.right
+        nodes = []
+        nodes.extend(flatten_nodes(self.nodes))
+        return tuple(nodes)
 
     def __repr__(self):
-        return "RightShift((%s, %s))" % (repr(self.left), repr(self.right))
+        return "Or(%s)" % (repr(self.nodes),)
 
-class Continue(Node):
-    nodes["continue"] = "Continue"
-    def __init__(self, ):
-        pass
+class Name(Node):
+    nodes["name"] = "Name"
+    def __init__(self, name):
+        self.name = name
 
     def getChildren(self):
-        return ()
+        return self.name,
 
     def getChildNodes(self):
         return ()
 
     def __repr__(self):
-        return "Continue()"
+        return "Name(%s)" % (repr(self.name),)
+
+class Function(Node):
+    nodes["function"] = "Function"
+    def __init__(self, name, argnames, defaults, flags, doc, code):
+        self.name = name
+        self.argnames = argnames
+        self.defaults = defaults
+        self.flags = flags
+        self.doc = doc
+        self.code = code
+        self.varargs = self.kwargs = None
+        if flags & CO_VARARGS:
+            self.varargs = 1
+        if flags & CO_VARKEYWORDS:
+            self.kwargs = 1
+    
 
-class While(Node):
-    nodes["while"] = "While"
-    def __init__(self, test, body, else_):
-        self.test = test
-        self.body = body
-        self.else_ = else_
 
     def getChildren(self):
         children = []
-        children.append(self.test)
-        children.append(self.body)
-        children.append(self.else_)
+        children.append(self.name)
+        children.append(self.argnames)
+        children.extend(flatten(self.defaults))
+        children.append(self.flags)
+        children.append(self.doc)
+        children.append(self.code)
         return tuple(children)
 
     def getChildNodes(self):
         nodes = []
-        nodes.append(self.test)
-        nodes.append(self.body)
-        if self.else_ is not None:            nodes.append(self.else_)
+        nodes.extend(flatten_nodes(self.defaults))
+        nodes.append(self.code)
         return tuple(nodes)
 
     def __repr__(self):
-        return "While(%s, %s, %s)" % (repr(self.test), repr(self.body), repr(self.else_))
+        return "Function(%s, %s, %s, %s, %s, %s)" % (repr(self.name), repr(self.argnames), repr(self.defaults), repr(self.flags), repr(self.doc), repr(self.code))
 
-class AssName(Node):
-    nodes["assname"] = "AssName"
-    def __init__(self, name, flags):
-        self.name = name
-        self.flags = flags
+class Assert(Node):
+    nodes["assert"] = "Assert"
+    def __init__(self, test, fail):
+        self.test = test
+        self.fail = fail
 
     def getChildren(self):
-        return self.name, self.flags
+        children = []
+        children.append(self.test)
+        children.append(self.fail)
+        return tuple(children)
 
     def getChildNodes(self):
-        return ()
+        nodes = []
+        nodes.append(self.test)
+        if self.fail is not None:            nodes.append(self.fail)
+        return tuple(nodes)
 
     def __repr__(self):
-        return "AssName(%s, %s)" % (repr(self.name), repr(self.flags))
+        return "Assert(%s, %s)" % (repr(self.test), repr(self.fail))
 
-class LeftShift(Node):
-    nodes["leftshift"] = "LeftShift"
-    def __init__(self, (left, right)):
-        self.left = left
-        self.right = right
+class Return(Node):
+    nodes["return"] = "Return"
+    def __init__(self, value):
+        self.value = value
 
     def getChildren(self):
-        return self.left, self.right
+        return self.value,
 
     def getChildNodes(self):
-        return self.left, self.right
+        return self.value,
 
     def __repr__(self):
-        return "LeftShift((%s, %s))" % (repr(self.left), repr(self.right))
+        return "Return(%s)" % (repr(self.value),)
 
-class Mul(Node):
-    nodes["mul"] = "Mul"
+class Power(Node):
+    nodes["power"] = "Power"
     def __init__(self, (left, right)):
         self.left = left
         self.right = right
@@ -468,24 +508,34 @@ class Mul(Node):
         return self.left, self.right
 
     def __repr__(self):
-        return "Mul((%s, %s))" % (repr(self.left), repr(self.right))
+        return "Power((%s, %s))" % (repr(self.left), repr(self.right))
 
-class Yield(Node):
-    nodes["yield"] = "Yield"
-    def __init__(self, value):
-        self.value = value
+class Exec(Node):
+    nodes["exec"] = "Exec"
+    def __init__(self, expr, locals, globals):
+        self.expr = expr
+        self.locals = locals
+        self.globals = globals
 
     def getChildren(self):
-        return self.value,
+        children = []
+        children.append(self.expr)
+        children.append(self.locals)
+        children.append(self.globals)
+        return tuple(children)
 
     def getChildNodes(self):
-        return self.value,
+        nodes = []
+        nodes.append(self.expr)
+        if self.locals is not None:            nodes.append(self.locals)
+        if self.globals is not None:            nodes.append(self.globals)
+        return tuple(nodes)
 
     def __repr__(self):
-        return "Yield(%s)" % (repr(self.value),)
+        return "Exec(%s, %s, %s)" % (repr(self.expr), repr(self.locals), repr(self.globals))
 
-class List(Node):
-    nodes["list"] = "List"
+class Stmt(Node):
+    nodes["stmt"] = "Stmt"
     def __init__(self, nodes):
         self.nodes = nodes
 
@@ -500,26 +550,10 @@ class List(Node):
         return tuple(nodes)
 
     def __repr__(self):
-        return "List(%s)" % (repr(self.nodes),)
-
-class AugAssign(Node):
-    nodes["augassign"] = "AugAssign"
-    def __init__(self, node, op, expr):
-        self.node = node
-        self.op = op
-        self.expr = expr
-
-    def getChildren(self):
-        return self.node, self.op, self.expr
-
-    def getChildNodes(self):
-        return self.node, self.expr
-
-    def __repr__(self):
-        return "AugAssign(%s, %s, %s)" % (repr(self.node), repr(self.op), repr(self.expr))
+        return "Stmt(%s)" % (repr(self.nodes),)
 
-class Or(Node):
-    nodes["or"] = "Or"
+class Sliceobj(Node):
+    nodes["sliceobj"] = "Sliceobj"
     def __init__(self, nodes):
         self.nodes = nodes
 
@@ -534,55 +568,42 @@ class Or(Node):
         return tuple(nodes)
 
     def __repr__(self):
-        return "Or(%s)" % (repr(self.nodes),)
-
-class Keyword(Node):
-    nodes["keyword"] = "Keyword"
-    def __init__(self, name, expr):
-        self.name = name
-        self.expr = expr
-
-    def getChildren(self):
-        return self.name, self.expr
-
-    def getChildNodes(self):
-        return self.expr,
-
-    def __repr__(self):
-        return "Keyword(%s, %s)" % (repr(self.name), repr(self.expr))
+        return "Sliceobj(%s)" % (repr(self.nodes),)
 
-class AssAttr(Node):
-    nodes["assattr"] = "AssAttr"
-    def __init__(self, expr, attrname, flags):
-        self.expr = expr
-        self.attrname = attrname
-        self.flags = flags
+class Break(Node):
+    nodes["break"] = "Break"
+    def __init__(self, ):
+        pass
 
     def getChildren(self):
-        return self.expr, self.attrname, self.flags
+        return ()
 
     def getChildNodes(self):
-        return self.expr,
+        return ()
 
     def __repr__(self):
-        return "AssAttr(%s, %s, %s)" % (repr(self.expr), repr(self.attrname), repr(self.flags))
+        return "Break()"
 
-class Const(Node):
-    nodes["const"] = "Const"
-    def __init__(self, value):
-        self.value = value
+class Bitand(Node):
+    nodes["bitand"] = "Bitand"
+    def __init__(self, nodes):
+        self.nodes = nodes
 
     def getChildren(self):
-        return self.value,
+        children = []
+        children.extend(flatten(self.nodes))
+        return tuple(children)
 
     def getChildNodes(self):
-        return ()
+        nodes = []
+        nodes.extend(flatten_nodes(self.nodes))
+        return tuple(nodes)
 
     def __repr__(self):
-        return "Const(%s)" % (repr(self.value),)
+        return "Bitand(%s)" % (repr(self.nodes),)
 
-class Mod(Node):
-    nodes["mod"] = "Mod"
+class FloorDiv(Node):
+    nodes["floordiv"] = "FloorDiv"
     def __init__(self, (left, right)):
         self.left = left
         self.right = right
@@ -594,24 +615,22 @@ class Mod(Node):
         return self.left, self.right
 
     def __repr__(self):
-        return "Mod((%s, %s))" % (repr(self.left), repr(self.right))
+        return "FloorDiv((%s, %s))" % (repr(self.left), repr(self.right))
 
-class Class(Node):
-    nodes["class"] = "Class"
-    def __init__(self, name, bases, doc, code):
-        self.name = name
-        self.bases = bases
-        self.doc = doc
-        self.code = code
+class TryFinally(Node):
+    nodes["tryfinally"] = "TryFinally"
+    def __init__(self, body, final):
+        self.body = body
+        self.final = final
 
     def getChildren(self):
-        return self.name, self.bases, self.doc, self.code
+        return self.body, self.final
 
     def getChildNodes(self):
-        return self.code,
+        return self.body, self.final
 
     def __repr__(self):
-        return "Class(%s, %s, %s, %s)" % (repr(self.name), repr(self.bases), repr(self.doc), repr(self.code))
+        return "TryFinally(%s, %s)" % (repr(self.body), repr(self.final))
 
 class Not(Node):
     nodes["not"] = "Not"
@@ -627,41 +646,33 @@ class Not(Node):
     def __repr__(self):
         return "Not(%s)" % (repr(self.expr),)
 
-class Bitxor(Node):
-    nodes["bitxor"] = "Bitxor"
-    def __init__(self, nodes):
-        self.nodes = nodes
+class Class(Node):
+    nodes["class"] = "Class"
+    def __init__(self, name, bases, doc, code):
+        self.name = name
+        self.bases = bases
+        self.doc = doc
+        self.code = code
 
     def getChildren(self):
         children = []
-        children.extend(flatten(self.nodes))
+        children.append(self.name)
+        children.extend(flatten(self.bases))
+        children.append(self.doc)
+        children.append(self.code)
         return tuple(children)
 
     def getChildNodes(self):
         nodes = []
-        nodes.extend(flatten_nodes(self.nodes))
+        nodes.extend(flatten_nodes(self.bases))
+        nodes.append(self.code)
         return tuple(nodes)
 
     def __repr__(self):
-        return "Bitxor(%s)" % (repr(self.nodes),)
-
-class TryFinally(Node):
-    nodes["tryfinally"] = "TryFinally"
-    def __init__(self, body, final):
-        self.body = body
-        self.final = final
-
-    def getChildren(self):
-        return self.body, self.final
-
-    def getChildNodes(self):
-        return self.body, self.final
-
-    def __repr__(self):
-        return "TryFinally(%s, %s)" % (repr(self.body), repr(self.final))
+        return "Class(%s, %s, %s, %s)" % (repr(self.name), repr(self.bases), repr(self.doc), repr(self.code))
 
-class FloorDiv(Node):
-    nodes["floordiv"] = "FloorDiv"
+class Mod(Node):
+    nodes["mod"] = "Mod"
     def __init__(self, (left, right)):
         self.left = left
         self.right = right
@@ -673,42 +684,31 @@ class FloorDiv(Node):
         return self.left, self.right
 
     def __repr__(self):
-        return "FloorDiv((%s, %s))" % (repr(self.left), repr(self.right))
+        return "Mod((%s, %s))" % (repr(self.left), repr(self.right))
 
-class Bitand(Node):
-    nodes["bitand"] = "Bitand"
-    def __init__(self, nodes):
+class Printnl(Node):
+    nodes["printnl"] = "Printnl"
+    def __init__(self, nodes, dest):
         self.nodes = nodes
+        self.dest = dest
 
     def getChildren(self):
         children = []
         children.extend(flatten(self.nodes))
+        children.append(self.dest)
         return tuple(children)
 
     def getChildNodes(self):
         nodes = []
         nodes.extend(flatten_nodes(self.nodes))
+        if self.dest is not None:            nodes.append(self.dest)
         return tuple(nodes)
 
     def __repr__(self):
-        return "Bitand(%s)" % (repr(self.nodes),)
-
-class Break(Node):
-    nodes["break"] = "Break"
-    def __init__(self, ):
-        pass
-
-    def getChildren(self):
-        return ()
-
-    def getChildNodes(self):
-        return ()
-
-    def __repr__(self):
-        return "Break()"
+        return "Printnl(%s, %s)" % (repr(self.nodes), repr(self.dest))
 
-class Stmt(Node):
-    nodes["stmt"] = "Stmt"
+class Tuple(Node):
+    nodes["tuple"] = "Tuple"
     def __init__(self, nodes):
         self.nodes = nodes
 
@@ -723,84 +723,75 @@ class Stmt(Node):
         return tuple(nodes)
 
     def __repr__(self):
-        return "Stmt(%s)" % (repr(self.nodes),)
+        return "Tuple(%s)" % (repr(self.nodes),)
 
-class Assert(Node):
-    nodes["assert"] = "Assert"
-    def __init__(self, test, fail):
-        self.test = test
-        self.fail = fail
+class AssAttr(Node):
+    nodes["assattr"] = "AssAttr"
+    def __init__(self, expr, attrname, flags):
+        self.expr = expr
+        self.attrname = attrname
+        self.flags = flags
 
     def getChildren(self):
-        children = []
-        children.append(self.test)
-        children.append(self.fail)
-        return tuple(children)
+        return self.expr, self.attrname, self.flags
 
     def getChildNodes(self):
-        nodes = []
-        nodes.append(self.test)
-        if self.fail is not None:            nodes.append(self.fail)
-        return tuple(nodes)
+        return self.expr,
 
     def __repr__(self):
-        return "Assert(%s, %s)" % (repr(self.test), repr(self.fail))
+        return "AssAttr(%s, %s, %s)" % (repr(self.expr), repr(self.attrname), repr(self.flags))
 
-class Exec(Node):
-    nodes["exec"] = "Exec"
-    def __init__(self, expr, locals, globals):
+class Keyword(Node):
+    nodes["keyword"] = "Keyword"
+    def __init__(self, name, expr):
+        self.name = name
         self.expr = expr
-        self.locals = locals
-        self.globals = globals
 
     def getChildren(self):
-        children = []
-        children.append(self.expr)
-        children.append(self.locals)
-        children.append(self.globals)
-        return tuple(children)
+        return self.name, self.expr
 
     def getChildNodes(self):
-        nodes = []
-        nodes.append(self.expr)
-        if self.locals is not None:            nodes.append(self.locals)
-        if self.globals is not None:            nodes.append(self.globals)
-        return tuple(nodes)
+        return self.expr,
 
     def __repr__(self):
-        return "Exec(%s, %s, %s)" % (repr(self.expr), repr(self.locals), repr(self.globals))
+        return "Keyword(%s, %s)" % (repr(self.name), repr(self.expr))
 
-class Power(Node):
-    nodes["power"] = "Power"
-    def __init__(self, (left, right)):
-        self.left = left
-        self.right = right
+class AugAssign(Node):
+    nodes["augassign"] = "AugAssign"
+    def __init__(self, node, op, expr):
+        self.node = node
+        self.op = op
+        self.expr = expr
 
     def getChildren(self):
-        return self.left, self.right
+        return self.node, self.op, self.expr
 
     def getChildNodes(self):
-        return self.left, self.right
+        return self.node, self.expr
 
     def __repr__(self):
-        return "Power((%s, %s))" % (repr(self.left), repr(self.right))
+        return "AugAssign(%s, %s, %s)" % (repr(self.node), repr(self.op), repr(self.expr))
 
-class Ellipsis(Node):
-    nodes["ellipsis"] = "Ellipsis"
-    def __init__(self, ):
-        pass
+class List(Node):
+    nodes["list"] = "List"
+    def __init__(self, nodes):
+        self.nodes = nodes
 
     def getChildren(self):
-        return ()
+        children = []
+        children.extend(flatten(self.nodes))
+        return tuple(children)
 
     def getChildNodes(self):
-        return ()
+        nodes = []
+        nodes.extend(flatten_nodes(self.nodes))
+        return tuple(nodes)
 
     def __repr__(self):
-        return "Ellipsis()"
+        return "List(%s)" % (repr(self.nodes),)
 
-class Return(Node):
-    nodes["return"] = "Return"
+class Yield(Node):
+    nodes["yield"] = "Yield"
     def __init__(self, value):
         self.value = value
 
@@ -811,10 +802,10 @@ class Return(Node):
         return self.value,
 
     def __repr__(self):
-        return "Return(%s)" % (repr(self.value),)
+        return "Yield(%s)" % (repr(self.value),)
 
-class Add(Node):
-    nodes["add"] = "Add"
+class LeftShift(Node):
+    nodes["leftshift"] = "LeftShift"
     def __init__(self, (left, right)):
         self.left = left
         self.right = right
@@ -826,189 +817,215 @@ class Add(Node):
         return self.left, self.right
 
     def __repr__(self):
-        return "Add((%s, %s))" % (repr(self.left), repr(self.right))
+        return "LeftShift((%s, %s))" % (repr(self.left), repr(self.right))
 
-class Function(Node):
-    nodes["function"] = "Function"
-    def __init__(self, name, argnames, defaults, flags, doc, code):
+class AssName(Node):
+    nodes["assname"] = "AssName"
+    def __init__(self, name, flags):
         self.name = name
-        self.argnames = argnames
-        self.defaults = defaults
         self.flags = flags
-        self.doc = doc
-        self.code = code
-        self.varargs = self.kwargs = None
-        if flags & CO_VARARGS:
-            self.varargs = 1
-        if flags & CO_VARKEYWORDS:
-            self.kwargs = 1
-    
-
 
     def getChildren(self):
-        return self.name, self.argnames, self.defaults, self.flags, self.doc, self.code
+        return self.name, self.flags
 
     def getChildNodes(self):
-        return self.code,
+        return ()
 
     def __repr__(self):
-        return "Function(%s, %s, %s, %s, %s, %s)" % (repr(self.name), repr(self.argnames), repr(self.defaults), repr(self.flags), repr(self.doc), repr(self.code))
+        return "AssName(%s, %s)" % (repr(self.name), repr(self.flags))
 
-class TryExcept(Node):
-    nodes["tryexcept"] = "TryExcept"
-    def __init__(self, body, handlers, else_):
+class While(Node):
+    nodes["while"] = "While"
+    def __init__(self, test, body, else_):
+        self.test = test
         self.body = body
-        self.handlers = handlers
         self.else_ = else_
 
     def getChildren(self):
         children = []
+        children.append(self.test)
         children.append(self.body)
-        children.extend(flatten(self.handlers))
         children.append(self.else_)
         return tuple(children)
 
     def getChildNodes(self):
         nodes = []
+        nodes.append(self.test)
         nodes.append(self.body)
-        nodes.extend(flatten_nodes(self.handlers))
         if self.else_ is not None:            nodes.append(self.else_)
         return tuple(nodes)
 
     def __repr__(self):
-        return "TryExcept(%s, %s, %s)" % (repr(self.body), repr(self.handlers), repr(self.else_))
+        return "While(%s, %s, %s)" % (repr(self.test), repr(self.body), repr(self.else_))
 
-class Subscript(Node):
-    nodes["subscript"] = "Subscript"
-    def __init__(self, expr, flags, subs):
+class Continue(Node):
+    nodes["continue"] = "Continue"
+    def __init__(self, ):
+        pass
+
+    def getChildren(self):
+        return ()
+
+    def getChildNodes(self):
+        return ()
+
+    def __repr__(self):
+        return "Continue()"
+
+class Backquote(Node):
+    nodes["backquote"] = "Backquote"
+    def __init__(self, expr):
         self.expr = expr
-        self.flags = flags
-        self.subs = subs
 
     def getChildren(self):
-        children = []
-        children.append(self.expr)
-        children.append(self.flags)
-        children.extend(flatten(self.subs))
-        return tuple(children)
+        return self.expr,
 
     def getChildNodes(self):
-        nodes = []
-        nodes.append(self.expr)
-        nodes.extend(flatten_nodes(self.subs))
-        return tuple(nodes)
+        return self.expr,
 
     def __repr__(self):
-        return "Subscript(%s, %s, %s)" % (repr(self.expr), repr(self.flags), repr(self.subs))
+        return "Backquote(%s)" % (repr(self.expr),)
 
-class Import(Node):
-    nodes["import"] = "Import"
-    def __init__(self, names):
-        self.names = names
+class Discard(Node):
+    nodes["discard"] = "Discard"
+    def __init__(self, expr):
+        self.expr = expr
 
     def getChildren(self):
-        return self.names,
+        return self.expr,
 
     def getChildNodes(self):
-        return ()
+        return self.expr,
 
     def __repr__(self):
-        return "Import(%s)" % (repr(self.names),)
+        return "Discard(%s)" % (repr(self.expr),)
 
-class Print(Node):
-    nodes["print"] = "Print"
-    def __init__(self, nodes, dest):
+class Div(Node):
+    nodes["div"] = "Div"
+    def __init__(self, (left, right)):
+        self.left = left
+        self.right = right
+
+    def getChildren(self):
+        return self.left, self.right
+
+    def getChildNodes(self):
+        return self.left, self.right
+
+    def __repr__(self):
+        return "Div((%s, %s))" % (repr(self.left), repr(self.right))
+
+class Assign(Node):
+    nodes["assign"] = "Assign"
+    def __init__(self, nodes, expr):
         self.nodes = nodes
-        self.dest = dest
+        self.expr = expr
 
     def getChildren(self):
         children = []
         children.extend(flatten(self.nodes))
-        children.append(self.dest)
+        children.append(self.expr)
         return tuple(children)
 
     def getChildNodes(self):
         nodes = []
         nodes.extend(flatten_nodes(self.nodes))
-        if self.dest is not None:            nodes.append(self.dest)
+        nodes.append(self.expr)
         return tuple(nodes)
 
     def __repr__(self):
-        return "Print(%s, %s)" % (repr(self.nodes), repr(self.dest))
+        return "Assign(%s, %s)" % (repr(self.nodes), repr(self.expr))
+
+class Lambda(Node):
+    nodes["lambda"] = "Lambda"
+    def __init__(self, argnames, defaults, flags, code):
+        self.argnames = argnames
+        self.defaults = defaults
+        self.flags = flags
+        self.code = code
+        self.varargs = self.kwargs = None
+        if flags & CO_VARARGS:
+            self.varargs = 1
+        if flags & CO_VARKEYWORDS:
+            self.kwargs = 1
 
-class UnaryAdd(Node):
-    nodes["unaryadd"] = "UnaryAdd"
-    def __init__(self, expr):
-        self.expr = expr
 
     def getChildren(self):
-        return self.expr,
+        children = []
+        children.append(self.argnames)
+        children.extend(flatten(self.defaults))
+        children.append(self.flags)
+        children.append(self.code)
+        return tuple(children)
 
     def getChildNodes(self):
-        return self.expr,
+        nodes = []
+        nodes.extend(flatten_nodes(self.defaults))
+        nodes.append(self.code)
+        return tuple(nodes)
 
     def __repr__(self):
-        return "UnaryAdd(%s)" % (repr(self.expr),)
+        return "Lambda(%s, %s, %s, %s)" % (repr(self.argnames), repr(self.defaults), repr(self.flags), repr(self.code))
 
-class ListCompFor(Node):
-    nodes["listcompfor"] = "ListCompFor"
-    def __init__(self, assign, list, ifs):
-        self.assign = assign
-        self.list = list
-        self.ifs = ifs
+class And(Node):
+    nodes["and"] = "And"
+    def __init__(self, nodes):
+        self.nodes = nodes
 
     def getChildren(self):
         children = []
-        children.append(self.assign)
-        children.append(self.list)
-        children.extend(flatten(self.ifs))
+        children.extend(flatten(self.nodes))
         return tuple(children)
 
     def getChildNodes(self):
         nodes = []
-        nodes.append(self.assign)
-        nodes.append(self.list)
-        nodes.extend(flatten_nodes(self.ifs))
+        nodes.extend(flatten_nodes(self.nodes))
         return tuple(nodes)
 
     def __repr__(self):
-        return "ListCompFor(%s, %s, %s)" % (repr(self.assign), repr(self.list), repr(self.ifs))
+        return "And(%s)" % (repr(self.nodes),)
 
-class Dict(Node):
-    nodes["dict"] = "Dict"
-    def __init__(self, items):
-        self.items = items
+class Compare(Node):
+    nodes["compare"] = "Compare"
+    def __init__(self, expr, ops):
+        self.expr = expr
+        self.ops = ops
 
     def getChildren(self):
         children = []
-        children.extend(flatten(self.items))
+        children.append(self.expr)
+        children.extend(flatten(self.ops))
         return tuple(children)
 
     def getChildNodes(self):
         nodes = []
-        nodes.extend(flatten_nodes(self.items))
+        nodes.append(self.expr)
+        nodes.extend(flatten_nodes(self.ops))
         return tuple(nodes)
 
     def __repr__(self):
-        return "Dict(%s)" % (repr(self.items),)
+        return "Compare(%s, %s)" % (repr(self.expr), repr(self.ops))
 
-class Getattr(Node):
-    nodes["getattr"] = "Getattr"
-    def __init__(self, expr, attrname):
-        self.expr = expr
-        self.attrname = attrname
+class Bitor(Node):
+    nodes["bitor"] = "Bitor"
+    def __init__(self, nodes):
+        self.nodes = nodes
 
     def getChildren(self):
-        return self.expr, self.attrname
+        children = []
+        children.extend(flatten(self.nodes))
+        return tuple(children)
 
     def getChildNodes(self):
-        return self.expr,
+        nodes = []
+        nodes.extend(flatten_nodes(self.nodes))
+        return tuple(nodes)
 
     def __repr__(self):
-        return "Getattr(%s, %s)" % (repr(self.expr), repr(self.attrname))
+        return "Bitor(%s)" % (repr(self.nodes),)
 
-class AssList(Node):
-    nodes["asslist"] = "AssList"
+class Bitxor(Node):
+    nodes["bitxor"] = "Bitxor"
     def __init__(self, nodes):
         self.nodes = nodes
 
@@ -1023,177 +1040,186 @@ class AssList(Node):
         return tuple(nodes)
 
     def __repr__(self):
-        return "AssList(%s)" % (repr(self.nodes),)
+        return "Bitxor(%s)" % (repr(self.nodes),)
 
-class UnarySub(Node):
-    nodes["unarysub"] = "UnarySub"
-    def __init__(self, expr):
-        self.expr = expr
+class CallFunc(Node):
+    nodes["callfunc"] = "CallFunc"
+    def __init__(self, node, args, star_args = None, dstar_args = None):
+        self.node = node
+        self.args = args
+        self.star_args = star_args
+        self.dstar_args = dstar_args
 
     def getChildren(self):
-        return self.expr,
+        children = []
+        children.append(self.node)
+        children.extend(flatten(self.args))
+        children.append(self.star_args)
+        children.append(self.dstar_args)
+        return tuple(children)
 
     def getChildNodes(self):
-        return self.expr,
+        nodes = []
+        nodes.append(self.node)
+        nodes.extend(flatten_nodes(self.args))
+        if self.star_args is not None:            nodes.append(self.star_args)
+        if self.dstar_args is not None:            nodes.append(self.dstar_args)
+        return tuple(nodes)
 
     def __repr__(self):
-        return "UnarySub(%s)" % (repr(self.expr),)
+        return "CallFunc(%s, %s, %s, %s)" % (repr(self.node), repr(self.args), repr(self.star_args), repr(self.dstar_args))
 
-class Sliceobj(Node):
-    nodes["sliceobj"] = "Sliceobj"
-    def __init__(self, nodes):
-        self.nodes = nodes
+class Global(Node):
+    nodes["global"] = "Global"
+    def __init__(self, names):
+        self.names = names
 
     def getChildren(self):
-        children = []
-        children.extend(flatten(self.nodes))
-        return tuple(children)
+        return self.names,
 
     def getChildNodes(self):
-        nodes = []
-        nodes.extend(flatten_nodes(self.nodes))
-        return tuple(nodes)
+        return ()
 
     def __repr__(self):
-        return "Sliceobj(%s)" % (repr(self.nodes),)
+        return "Global(%s)" % (repr(self.names),)
 
-class Invert(Node):
-    nodes["invert"] = "Invert"
-    def __init__(self, expr):
-        self.expr = expr
+class Add(Node):
+    nodes["add"] = "Add"
+    def __init__(self, (left, right)):
+        self.left = left
+        self.right = right
 
     def getChildren(self):
-        return self.expr,
+        return self.left, self.right
 
     def getChildNodes(self):
-        return self.expr,
+        return self.left, self.right
 
     def __repr__(self):
-        return "Invert(%s)" % (repr(self.expr),)
+        return "Add((%s, %s))" % (repr(self.left), repr(self.right))
 
-class Name(Node):
-    nodes["name"] = "Name"
-    def __init__(self, name):
-        self.name = name
+class ListCompIf(Node):
+    nodes["listcompif"] = "ListCompIf"
+    def __init__(self, test):
+        self.test = test
 
     def getChildren(self):
-        return self.name,
+        return self.test,
+
+    def getChildNodes(self):
+        return self.test,
+
+    def __repr__(self):
+        return "ListCompIf(%s)" % (repr(self.test),)
+
+class Sub(Node):
+    nodes["sub"] = "Sub"
+    def __init__(self, (left, right)):
+        self.left = left
+        self.right = right
+
+    def getChildren(self):
+        return self.left, self.right
+
+    def getChildNodes(self):
+        return self.left, self.right
+
+    def __repr__(self):
+        return "Sub((%s, %s))" % (repr(self.left), repr(self.right))
+
+class Pass(Node):
+    nodes["pass"] = "Pass"
+    def __init__(self, ):
+        pass
+
+    def getChildren(self):
+        return ()
 
     def getChildNodes(self):
         return ()
 
     def __repr__(self):
-        return "Name(%s)" % (repr(self.name),)
+        return "Pass()"
 
-class AssTuple(Node):
-    nodes["asstuple"] = "AssTuple"
-    def __init__(self, nodes):
-        self.nodes = nodes
+class UnarySub(Node):
+    nodes["unarysub"] = "UnarySub"
+    def __init__(self, expr):
+        self.expr = expr
 
     def getChildren(self):
-        children = []
-        children.extend(flatten(self.nodes))
-        return tuple(children)
+        return self.expr,
 
     def getChildNodes(self):
-        nodes = []
-        nodes.extend(flatten_nodes(self.nodes))
-        return tuple(nodes)
+        return self.expr,
 
     def __repr__(self):
-        return "AssTuple(%s)" % (repr(self.nodes),)
+        return "UnarySub(%s)" % (repr(self.expr),)
 
-class For(Node):
-    nodes["for"] = "For"
-    def __init__(self, assign, list, body, else_):
-        self.assign = assign
-        self.list = list
-        self.body = body
+class If(Node):
+    nodes["if"] = "If"
+    def __init__(self, tests, else_):
+        self.tests = tests
         self.else_ = else_
 
     def getChildren(self):
         children = []
-        children.append(self.assign)
-        children.append(self.list)
-        children.append(self.body)
+        children.extend(flatten(self.tests))
         children.append(self.else_)
         return tuple(children)
 
     def getChildNodes(self):
         nodes = []
-        nodes.append(self.assign)
-        nodes.append(self.list)
-        nodes.append(self.body)
+        nodes.extend(flatten_nodes(self.tests))
         if self.else_ is not None:            nodes.append(self.else_)
         return tuple(nodes)
 
     def __repr__(self):
-        return "For(%s, %s, %s, %s)" % (repr(self.assign), repr(self.list), repr(self.body), repr(self.else_))
+        return "If(%s, %s)" % (repr(self.tests), repr(self.else_))
 
-class Raise(Node):
-    nodes["raise"] = "Raise"
-    def __init__(self, expr1, expr2, expr3):
-        self.expr1 = expr1
-        self.expr2 = expr2
-        self.expr3 = expr3
+class ListComp(Node):
+    nodes["listcomp"] = "ListComp"
+    def __init__(self, expr, quals):
+        self.expr = expr
+        self.quals = quals
 
     def getChildren(self):
         children = []
-        children.append(self.expr1)
-        children.append(self.expr2)
-        children.append(self.expr3)
+        children.append(self.expr)
+        children.extend(flatten(self.quals))
         return tuple(children)
 
     def getChildNodes(self):
         nodes = []
-        if self.expr1 is not None:            nodes.append(self.expr1)
-        if self.expr2 is not None:            nodes.append(self.expr2)
-        if self.expr3 is not None:            nodes.append(self.expr3)
+        nodes.append(self.expr)
+        nodes.extend(flatten_nodes(self.quals))
         return tuple(nodes)
 
     def __repr__(self):
-        return "Raise(%s, %s, %s)" % (repr(self.expr1), repr(self.expr2), repr(self.expr3))
-
-class From(Node):
-    nodes["from"] = "From"
-    def __init__(self, modname, names):
-        self.modname = modname
-        self.names = names
-
-    def getChildren(self):
-        return self.modname, self.names
-
-    def getChildNodes(self):
-        return ()
-
-    def __repr__(self):
-        return "From(%s, %s)" % (repr(self.modname), repr(self.names))
+        return "ListComp(%s, %s)" % (repr(self.expr), repr(self.quals))
 
-class Slice(Node):
-    nodes["slice"] = "Slice"
-    def __init__(self, expr, flags, lower, upper):
-        self.expr = expr
-        self.flags = flags
-        self.lower = lower
-        self.upper = upper
+class ListCompFor(Node):
+    nodes["listcompfor"] = "ListCompFor"
+    def __init__(self, assign, list, ifs):
+        self.assign = assign
+        self.list = list
+        self.ifs = ifs
 
     def getChildren(self):
         children = []
-        children.append(self.expr)
-        children.append(self.flags)
-        children.append(self.lower)
-        children.append(self.upper)
+        children.append(self.assign)
+        children.append(self.list)
+        children.extend(flatten(self.ifs))
         return tuple(children)
 
     def getChildNodes(self):
         nodes = []
-        nodes.append(self.expr)
-        if self.lower is not None:            nodes.append(self.lower)
-        if self.upper is not None:            nodes.append(self.upper)
+        nodes.append(self.assign)
+        nodes.append(self.list)
+        nodes.extend(flatten_nodes(self.ifs))
         return tuple(nodes)
 
     def __repr__(self):
-        return "Slice(%s, %s, %s, %s)" % (repr(self.expr), repr(self.flags), repr(self.lower), repr(self.upper))
+        return "ListCompFor(%s, %s, %s)" % (repr(self.assign), repr(self.list), repr(self.ifs))
 
 klasses = globals()
 for k in nodes.keys():
diff --git a/Tools/compiler/compiler/ast.py b/Tools/compiler/compiler/ast.py
index 53dc410..9a5d53c 100644
--- a/Tools/compiler/compiler/ast.py
+++ b/Tools/compiler/compiler/ast.py
@@ -48,415 +48,455 @@ class Node: # an abstract base class
 class EmptyNode(Node):
     pass
 
-class If(Node):
-    nodes["if"] = "If"
-    def __init__(self, tests, else_):
-        self.tests = tests
-        self.else_ = else_
+class Slice(Node):
+    nodes["slice"] = "Slice"
+    def __init__(self, expr, flags, lower, upper):
+        self.expr = expr
+        self.flags = flags
+        self.lower = lower
+        self.upper = upper
 
     def getChildren(self):
         children = []
-        children.extend(flatten(self.tests))
-        children.append(self.else_)
+        children.append(self.expr)
+        children.append(self.flags)
+        children.append(self.lower)
+        children.append(self.upper)
         return tuple(children)
 
     def getChildNodes(self):
         nodes = []
-        nodes.extend(flatten_nodes(self.tests))
-        if self.else_ is not None:            nodes.append(self.else_)
+        nodes.append(self.expr)
+        if self.lower is not None:            nodes.append(self.lower)
+        if self.upper is not None:            nodes.append(self.upper)
         return tuple(nodes)
 
     def __repr__(self):
-        return "If(%s, %s)" % (repr(self.tests), repr(self.else_))
+        return "Slice(%s, %s, %s, %s)" % (repr(self.expr), repr(self.flags), repr(self.lower), repr(self.upper))
 
-class ListComp(Node):
-    nodes["listcomp"] = "ListComp"
-    def __init__(self, expr, quals):
-        self.expr = expr
-        self.quals = quals
+class Const(Node):
+    nodes["const"] = "Const"
+    def __init__(self, value):
+        self.value = value
+
+    def getChildren(self):
+        return self.value,
+
+    def getChildNodes(self):
+        return ()
+
+    def __repr__(self):
+        return "Const(%s)" % (repr(self.value),)
+
+class Raise(Node):
+    nodes["raise"] = "Raise"
+    def __init__(self, expr1, expr2, expr3):
+        self.expr1 = expr1
+        self.expr2 = expr2
+        self.expr3 = expr3
 
     def getChildren(self):
         children = []
-        children.append(self.expr)
-        children.extend(flatten(self.quals))
+        children.append(self.expr1)
+        children.append(self.expr2)
+        children.append(self.expr3)
         return tuple(children)
 
     def getChildNodes(self):
         nodes = []
-        nodes.append(self.expr)
-        nodes.extend(flatten_nodes(self.quals))
+        if self.expr1 is not None:            nodes.append(self.expr1)
+        if self.expr2 is not None:            nodes.append(self.expr2)
+        if self.expr3 is not None:            nodes.append(self.expr3)
         return tuple(nodes)
 
     def __repr__(self):
-        return "ListComp(%s, %s)" % (repr(self.expr), repr(self.quals))
+        return "Raise(%s, %s, %s)" % (repr(self.expr1), repr(self.expr2), repr(self.expr3))
 
-class Bitor(Node):
-    nodes["bitor"] = "Bitor"
-    def __init__(self, nodes):
-        self.nodes = nodes
+class For(Node):
+    nodes["for"] = "For"
+    def __init__(self, assign, list, body, else_):
+        self.assign = assign
+        self.list = list
+        self.body = body
+        self.else_ = else_
 
     def getChildren(self):
         children = []
-        children.extend(flatten(self.nodes))
+        children.append(self.assign)
+        children.append(self.list)
+        children.append(self.body)
+        children.append(self.else_)
         return tuple(children)
 
     def getChildNodes(self):
         nodes = []
-        nodes.extend(flatten_nodes(self.nodes))
+        nodes.append(self.assign)
+        nodes.append(self.list)
+        nodes.append(self.body)
+        if self.else_ is not None:            nodes.append(self.else_)
         return tuple(nodes)
 
     def __repr__(self):
-        return "Bitor(%s)" % (repr(self.nodes),)
+        return "For(%s, %s, %s, %s)" % (repr(self.assign), repr(self.list), repr(self.body), repr(self.else_))
 
-class Pass(Node):
-    nodes["pass"] = "Pass"
-    def __init__(self, ):
-        pass
+class AssTuple(Node):
+    nodes["asstuple"] = "AssTuple"
+    def __init__(self, nodes):
+        self.nodes = nodes
 
     def getChildren(self):
-        return ()
+        children = []
+        children.extend(flatten(self.nodes))
+        return tuple(children)
 
     def getChildNodes(self):
-        return ()
+        nodes = []
+        nodes.extend(flatten_nodes(self.nodes))
+        return tuple(nodes)
 
     def __repr__(self):
-        return "Pass()"
+        return "AssTuple(%s)" % (repr(self.nodes),)
 
-class Module(Node):
-    nodes["module"] = "Module"
-    def __init__(self, doc, node):
-        self.doc = doc
-        self.node = node
+class Mul(Node):
+    nodes["mul"] = "Mul"
+    def __init__(self, (left, right)):
+        self.left = left
+        self.right = right
 
     def getChildren(self):
-        return self.doc, self.node
+        return self.left, self.right
 
     def getChildNodes(self):
-        return self.node,
+        return self.left, self.right
 
     def __repr__(self):
-        return "Module(%s, %s)" % (repr(self.doc), repr(self.node))
+        return "Mul((%s, %s))" % (repr(self.left), repr(self.right))
 
-class Global(Node):
-    nodes["global"] = "Global"
-    def __init__(self, names):
-        self.names = names
+class Invert(Node):
+    nodes["invert"] = "Invert"
+    def __init__(self, expr):
+        self.expr = expr
 
     def getChildren(self):
-        return self.names,
+        return self.expr,
 
     def getChildNodes(self):
-        return ()
+        return self.expr,
 
     def __repr__(self):
-        return "Global(%s)" % (repr(self.names),)
+        return "Invert(%s)" % (repr(self.expr),)
 
-class CallFunc(Node):
-    nodes["callfunc"] = "CallFunc"
-    def __init__(self, node, args, star_args = None, dstar_args = None):
-        self.node = node
-        self.args = args
-        self.star_args = star_args
-        self.dstar_args = dstar_args
+class RightShift(Node):
+    nodes["rightshift"] = "RightShift"
+    def __init__(self, (left, right)):
+        self.left = left
+        self.right = right
 
     def getChildren(self):
-        children = []
-        children.append(self.node)
-        children.extend(flatten(self.args))
-        children.append(self.star_args)
-        children.append(self.dstar_args)
-        return tuple(children)
+        return self.left, self.right
 
     def getChildNodes(self):
-        nodes = []
-        nodes.append(self.node)
-        nodes.extend(flatten_nodes(self.args))
-        if self.star_args is not None:            nodes.append(self.star_args)
-        if self.dstar_args is not None:            nodes.append(self.dstar_args)
-        return tuple(nodes)
+        return self.left, self.right
 
     def __repr__(self):
-        return "CallFunc(%s, %s, %s, %s)" % (repr(self.node), repr(self.args), repr(self.star_args), repr(self.dstar_args))
+        return "RightShift((%s, %s))" % (repr(self.left), repr(self.right))
 
-class Printnl(Node):
-    nodes["printnl"] = "Printnl"
-    def __init__(self, nodes, dest):
+class AssList(Node):
+    nodes["asslist"] = "AssList"
+    def __init__(self, nodes):
         self.nodes = nodes
-        self.dest = dest
 
     def getChildren(self):
         children = []
         children.extend(flatten(self.nodes))
-        children.append(self.dest)
         return tuple(children)
 
     def getChildNodes(self):
         nodes = []
         nodes.extend(flatten_nodes(self.nodes))
-        if self.dest is not None:            nodes.append(self.dest)
         return tuple(nodes)
 
     def __repr__(self):
-        return "Printnl(%s, %s)" % (repr(self.nodes), repr(self.dest))
+        return "AssList(%s)" % (repr(self.nodes),)
 
-class Tuple(Node):
-    nodes["tuple"] = "Tuple"
-    def __init__(self, nodes):
-        self.nodes = nodes
+class From(Node):
+    nodes["from"] = "From"
+    def __init__(self, modname, names):
+        self.modname = modname
+        self.names = names
 
     def getChildren(self):
-        children = []
-        children.extend(flatten(self.nodes))
-        return tuple(children)
+        return self.modname, self.names
 
     def getChildNodes(self):
-        nodes = []
-        nodes.extend(flatten_nodes(self.nodes))
-        return tuple(nodes)
+        return ()
 
     def __repr__(self):
-        return "Tuple(%s)" % (repr(self.nodes),)
+        return "From(%s, %s)" % (repr(self.modname), repr(self.names))
 
-class Compare(Node):
-    nodes["compare"] = "Compare"
-    def __init__(self, expr, ops):
+class Getattr(Node):
+    nodes["getattr"] = "Getattr"
+    def __init__(self, expr, attrname):
         self.expr = expr
-        self.ops = ops
+        self.attrname = attrname
 
     def getChildren(self):
-        children = []
-        children.append(self.expr)
-        children.extend(flatten(self.ops))
-        return tuple(children)
+        return self.expr, self.attrname
 
     def getChildNodes(self):
-        nodes = []
-        nodes.append(self.expr)
-        nodes.extend(flatten_nodes(self.ops))
-        return tuple(nodes)
+        return self.expr,
 
     def __repr__(self):
-        return "Compare(%s, %s)" % (repr(self.expr), repr(self.ops))
+        return "Getattr(%s, %s)" % (repr(self.expr), repr(self.attrname))
 
-class And(Node):
-    nodes["and"] = "And"
-    def __init__(self, nodes):
-        self.nodes = nodes
+class Dict(Node):
+    nodes["dict"] = "Dict"
+    def __init__(self, items):
+        self.items = items
 
     def getChildren(self):
         children = []
-        children.extend(flatten(self.nodes))
+        children.extend(flatten(self.items))
         return tuple(children)
 
     def getChildNodes(self):
         nodes = []
-        nodes.extend(flatten_nodes(self.nodes))
+        nodes.extend(flatten_nodes(self.items))
         return tuple(nodes)
 
     def __repr__(self):
-        return "And(%s)" % (repr(self.nodes),)
-
-class Lambda(Node):
-    nodes["lambda"] = "Lambda"
-    def __init__(self, argnames, defaults, flags, code):
-        self.argnames = argnames
-        self.defaults = defaults
-        self.flags = flags
-        self.code = code
-        self.varargs = self.kwargs = None
-        if flags & CO_VARARGS:
-            self.varargs = 1
-        if flags & CO_VARKEYWORDS:
-            self.kwargs = 1
+        return "Dict(%s)" % (repr(self.items),)
 
+class Module(Node):
+    nodes["module"] = "Module"
+    def __init__(self, doc, node):
+        self.doc = doc
+        self.node = node
 
     def getChildren(self):
-        return self.argnames, self.defaults, self.flags, self.code
+        return self.doc, self.node
 
     def getChildNodes(self):
-        return self.code,
+        return self.node,
 
     def __repr__(self):
-        return "Lambda(%s, %s, %s, %s)" % (repr(self.argnames), repr(self.defaults), repr(self.flags), repr(self.code))
+        return "Module(%s, %s)" % (repr(self.doc), repr(self.node))
 
-class Assign(Node):
-    nodes["assign"] = "Assign"
-    def __init__(self, nodes, expr):
-        self.nodes = nodes
+class UnaryAdd(Node):
+    nodes["unaryadd"] = "UnaryAdd"
+    def __init__(self, expr):
         self.expr = expr
 
     def getChildren(self):
-        children = []
-        children.extend(flatten(self.nodes))
-        children.append(self.expr)
-        return tuple(children)
+        return self.expr,
 
     def getChildNodes(self):
-        nodes = []
-        nodes.extend(flatten_nodes(self.nodes))
-        nodes.append(self.expr)
-        return tuple(nodes)
+        return self.expr,
 
     def __repr__(self):
-        return "Assign(%s, %s)" % (repr(self.nodes), repr(self.expr))
+        return "UnaryAdd(%s)" % (repr(self.expr),)
 
-class Sub(Node):
-    nodes["sub"] = "Sub"
-    def __init__(self, (left, right)):
-        self.left = left
-        self.right = right
+class Ellipsis(Node):
+    nodes["ellipsis"] = "Ellipsis"
+    def __init__(self, ):
+        pass
 
     def getChildren(self):
-        return self.left, self.right
+        return ()
 
     def getChildNodes(self):
-        return self.left, self.right
+        return ()
 
     def __repr__(self):
-        return "Sub((%s, %s))" % (repr(self.left), repr(self.right))
+        return "Ellipsis()"
 
-class ListCompIf(Node):
-    nodes["listcompif"] = "ListCompIf"
-    def __init__(self, test):
-        self.test = test
+class Print(Node):
+    nodes["print"] = "Print"
+    def __init__(self, nodes, dest):
+        self.nodes = nodes
+        self.dest = dest
 
     def getChildren(self):
-        return self.test,
+        children = []
+        children.extend(flatten(self.nodes))
+        children.append(self.dest)
+        return tuple(children)
 
     def getChildNodes(self):
-        return self.test,
+        nodes = []
+        nodes.extend(flatten_nodes(self.nodes))
+        if self.dest is not None:            nodes.append(self.dest)
+        return tuple(nodes)
 
     def __repr__(self):
-        return "ListCompIf(%s)" % (repr(self.test),)
+        return "Print(%s, %s)" % (repr(self.nodes), repr(self.dest))
 
-class Div(Node):
-    nodes["div"] = "Div"
-    def __init__(self, (left, right)):
-        self.left = left
-        self.right = right
+class Import(Node):
+    nodes["import"] = "Import"
+    def __init__(self, names):
+        self.names = names
 
     def getChildren(self):
-        return self.left, self.right
+        return self.names,
 
     def getChildNodes(self):
-        return self.left, self.right
+        return ()
 
     def __repr__(self):
-        return "Div((%s, %s))" % (repr(self.left), repr(self.right))
+        return "Import(%s)" % (repr(self.names),)
 
-class Discard(Node):
-    nodes["discard"] = "Discard"
-    def __init__(self, expr):
+class Subscript(Node):
+    nodes["subscript"] = "Subscript"
+    def __init__(self, expr, flags, subs):
         self.expr = expr
+        self.flags = flags
+        self.subs = subs
 
     def getChildren(self):
-        return self.expr,
+        children = []
+        children.append(self.expr)
+        children.append(self.flags)
+        children.extend(flatten(self.subs))
+        return tuple(children)
 
     def getChildNodes(self):
-        return self.expr,
+        nodes = []
+        nodes.append(self.expr)
+        nodes.extend(flatten_nodes(self.subs))
+        return tuple(nodes)
 
     def __repr__(self):
-        return "Discard(%s)" % (repr(self.expr),)
+        return "Subscript(%s, %s, %s)" % (repr(self.expr), repr(self.flags), repr(self.subs))
 
-class Backquote(Node):
-    nodes["backquote"] = "Backquote"
-    def __init__(self, expr):
-        self.expr = expr
+class TryExcept(Node):
+    nodes["tryexcept"] = "TryExcept"
+    def __init__(self, body, handlers, else_):
+        self.body = body
+        self.handlers = handlers
+        self.else_ = else_
 
     def getChildren(self):
-        return self.expr,
+        children = []
+        children.append(self.body)
+        children.extend(flatten(self.handlers))
+        children.append(self.else_)
+        return tuple(children)
 
     def getChildNodes(self):
-        return self.expr,
+        nodes = []
+        nodes.append(self.body)
+        nodes.extend(flatten_nodes(self.handlers))
+        if self.else_ is not None:            nodes.append(self.else_)
+        return tuple(nodes)
 
     def __repr__(self):
-        return "Backquote(%s)" % (repr(self.expr),)
+        return "TryExcept(%s, %s, %s)" % (repr(self.body), repr(self.handlers), repr(self.else_))
 
-class RightShift(Node):
-    nodes["rightshift"] = "RightShift"
-    def __init__(self, (left, right)):
-        self.left = left
-        self.right = right
+class Or(Node):
+    nodes["or"] = "Or"
+    def __init__(self, nodes):
+        self.nodes = nodes
 
     def getChildren(self):
-        return self.left, self.right
+        children = []
+        children.extend(flatten(self.nodes))
+        return tuple(children)
 
     def getChildNodes(self):
-        return self.left, self.right
+        nodes = []
+        nodes.extend(flatten_nodes(self.nodes))
+        return tuple(nodes)
 
     def __repr__(self):
-        return "RightShift((%s, %s))" % (repr(self.left), repr(self.right))
+        return "Or(%s)" % (repr(self.nodes),)
 
-class Continue(Node):
-    nodes["continue"] = "Continue"
-    def __init__(self, ):
-        pass
+class Name(Node):
+    nodes["name"] = "Name"
+    def __init__(self, name):
+        self.name = name
 
     def getChildren(self):
-        return ()
+        return self.name,
 
     def getChildNodes(self):
         return ()
 
     def __repr__(self):
-        return "Continue()"
+        return "Name(%s)" % (repr(self.name),)
+
+class Function(Node):
+    nodes["function"] = "Function"
+    def __init__(self, name, argnames, defaults, flags, doc, code):
+        self.name = name
+        self.argnames = argnames
+        self.defaults = defaults
+        self.flags = flags
+        self.doc = doc
+        self.code = code
+        self.varargs = self.kwargs = None
+        if flags & CO_VARARGS:
+            self.varargs = 1
+        if flags & CO_VARKEYWORDS:
+            self.kwargs = 1
+    
 
-class While(Node):
-    nodes["while"] = "While"
-    def __init__(self, test, body, else_):
-        self.test = test
-        self.body = body
-        self.else_ = else_
 
     def getChildren(self):
         children = []
-        children.append(self.test)
-        children.append(self.body)
-        children.append(self.else_)
+        children.append(self.name)
+        children.append(self.argnames)
+        children.extend(flatten(self.defaults))
+        children.append(self.flags)
+        children.append(self.doc)
+        children.append(self.code)
         return tuple(children)
 
     def getChildNodes(self):
         nodes = []
-        nodes.append(self.test)
-        nodes.append(self.body)
-        if self.else_ is not None:            nodes.append(self.else_)
+        nodes.extend(flatten_nodes(self.defaults))
+        nodes.append(self.code)
         return tuple(nodes)
 
     def __repr__(self):
-        return "While(%s, %s, %s)" % (repr(self.test), repr(self.body), repr(self.else_))
+        return "Function(%s, %s, %s, %s, %s, %s)" % (repr(self.name), repr(self.argnames), repr(self.defaults), repr(self.flags), repr(self.doc), repr(self.code))
 
-class AssName(Node):
-    nodes["assname"] = "AssName"
-    def __init__(self, name, flags):
-        self.name = name
-        self.flags = flags
+class Assert(Node):
+    nodes["assert"] = "Assert"
+    def __init__(self, test, fail):
+        self.test = test
+        self.fail = fail
 
     def getChildren(self):
-        return self.name, self.flags
+        children = []
+        children.append(self.test)
+        children.append(self.fail)
+        return tuple(children)
 
     def getChildNodes(self):
-        return ()
+        nodes = []
+        nodes.append(self.test)
+        if self.fail is not None:            nodes.append(self.fail)
+        return tuple(nodes)
 
     def __repr__(self):
-        return "AssName(%s, %s)" % (repr(self.name), repr(self.flags))
+        return "Assert(%s, %s)" % (repr(self.test), repr(self.fail))
 
-class LeftShift(Node):
-    nodes["leftshift"] = "LeftShift"
-    def __init__(self, (left, right)):
-        self.left = left
-        self.right = right
+class Return(Node):
+    nodes["return"] = "Return"
+    def __init__(self, value):
+        self.value = value
 
     def getChildren(self):
-        return self.left, self.right
+        return self.value,
 
     def getChildNodes(self):
-        return self.left, self.right
+        return self.value,
 
     def __repr__(self):
-        return "LeftShift((%s, %s))" % (repr(self.left), repr(self.right))
+        return "Return(%s)" % (repr(self.value),)
 
-class Mul(Node):
-    nodes["mul"] = "Mul"
+class Power(Node):
+    nodes["power"] = "Power"
     def __init__(self, (left, right)):
         self.left = left
         self.right = right
@@ -468,24 +508,34 @@ class Mul(Node):
         return self.left, self.right
 
     def __repr__(self):
-        return "Mul((%s, %s))" % (repr(self.left), repr(self.right))
+        return "Power((%s, %s))" % (repr(self.left), repr(self.right))
 
-class Yield(Node):
-    nodes["yield"] = "Yield"
-    def __init__(self, value):
-        self.value = value
+class Exec(Node):
+    nodes["exec"] = "Exec"
+    def __init__(self, expr, locals, globals):
+        self.expr = expr
+        self.locals = locals
+        self.globals = globals
 
     def getChildren(self):
-        return self.value,
+        children = []
+        children.append(self.expr)
+        children.append(self.locals)
+        children.append(self.globals)
+        return tuple(children)
 
     def getChildNodes(self):
-        return self.value,
+        nodes = []
+        nodes.append(self.expr)
+        if self.locals is not None:            nodes.append(self.locals)
+        if self.globals is not None:            nodes.append(self.globals)
+        return tuple(nodes)
 
     def __repr__(self):
-        return "Yield(%s)" % (repr(self.value),)
+        return "Exec(%s, %s, %s)" % (repr(self.expr), repr(self.locals), repr(self.globals))
 
-class List(Node):
-    nodes["list"] = "List"
+class Stmt(Node):
+    nodes["stmt"] = "Stmt"
     def __init__(self, nodes):
         self.nodes = nodes
 
@@ -500,26 +550,10 @@ class List(Node):
         return tuple(nodes)
 
     def __repr__(self):
-        return "List(%s)" % (repr(self.nodes),)
-
-class AugAssign(Node):
-    nodes["augassign"] = "AugAssign"
-    def __init__(self, node, op, expr):
-        self.node = node
-        self.op = op
-        self.expr = expr
-
-    def getChildren(self):
-        return self.node, self.op, self.expr
-
-    def getChildNodes(self):
-        return self.node, self.expr
-
-    def __repr__(self):
-        return "AugAssign(%s, %s, %s)" % (repr(self.node), repr(self.op), repr(self.expr))
+        return "Stmt(%s)" % (repr(self.nodes),)
 
-class Or(Node):
-    nodes["or"] = "Or"
+class Sliceobj(Node):
+    nodes["sliceobj"] = "Sliceobj"
     def __init__(self, nodes):
         self.nodes = nodes
 
@@ -534,55 +568,42 @@ class Or(Node):
         return tuple(nodes)
 
     def __repr__(self):
-        return "Or(%s)" % (repr(self.nodes),)
-
-class Keyword(Node):
-    nodes["keyword"] = "Keyword"
-    def __init__(self, name, expr):
-        self.name = name
-        self.expr = expr
-
-    def getChildren(self):
-        return self.name, self.expr
-
-    def getChildNodes(self):
-        return self.expr,
-
-    def __repr__(self):
-        return "Keyword(%s, %s)" % (repr(self.name), repr(self.expr))
+        return "Sliceobj(%s)" % (repr(self.nodes),)
 
-class AssAttr(Node):
-    nodes["assattr"] = "AssAttr"
-    def __init__(self, expr, attrname, flags):
-        self.expr = expr
-        self.attrname = attrname
-        self.flags = flags
+class Break(Node):
+    nodes["break"] = "Break"
+    def __init__(self, ):
+        pass
 
     def getChildren(self):
-        return self.expr, self.attrname, self.flags
+        return ()
 
     def getChildNodes(self):
-        return self.expr,
+        return ()
 
     def __repr__(self):
-        return "AssAttr(%s, %s, %s)" % (repr(self.expr), repr(self.attrname), repr(self.flags))
+        return "Break()"
 
-class Const(Node):
-    nodes["const"] = "Const"
-    def __init__(self, value):
-        self.value = value
+class Bitand(Node):
+    nodes["bitand"] = "Bitand"
+    def __init__(self, nodes):
+        self.nodes = nodes
 
     def getChildren(self):
-        return self.value,
+        children = []
+        children.extend(flatten(self.nodes))
+        return tuple(children)
 
     def getChildNodes(self):
-        return ()
+        nodes = []
+        nodes.extend(flatten_nodes(self.nodes))
+        return tuple(nodes)
 
     def __repr__(self):
-        return "Const(%s)" % (repr(self.value),)
+        return "Bitand(%s)" % (repr(self.nodes),)
 
-class Mod(Node):
-    nodes["mod"] = "Mod"
+class FloorDiv(Node):
+    nodes["floordiv"] = "FloorDiv"
     def __init__(self, (left, right)):
         self.left = left
         self.right = right
@@ -594,24 +615,22 @@ class Mod(Node):
         return self.left, self.right
 
     def __repr__(self):
-        return "Mod((%s, %s))" % (repr(self.left), repr(self.right))
+        return "FloorDiv((%s, %s))" % (repr(self.left), repr(self.right))
 
-class Class(Node):
-    nodes["class"] = "Class"
-    def __init__(self, name, bases, doc, code):
-        self.name = name
-        self.bases = bases
-        self.doc = doc
-        self.code = code
+class TryFinally(Node):
+    nodes["tryfinally"] = "TryFinally"
+    def __init__(self, body, final):
+        self.body = body
+        self.final = final
 
     def getChildren(self):
-        return self.name, self.bases, self.doc, self.code
+        return self.body, self.final
 
     def getChildNodes(self):
-        return self.code,
+        return self.body, self.final
 
     def __repr__(self):
-        return "Class(%s, %s, %s, %s)" % (repr(self.name), repr(self.bases), repr(self.doc), repr(self.code))
+        return "TryFinally(%s, %s)" % (repr(self.body), repr(self.final))
 
 class Not(Node):
     nodes["not"] = "Not"
@@ -627,41 +646,33 @@ class Not(Node):
     def __repr__(self):
         return "Not(%s)" % (repr(self.expr),)
 
-class Bitxor(Node):
-    nodes["bitxor"] = "Bitxor"
-    def __init__(self, nodes):
-        self.nodes = nodes
+class Class(Node):
+    nodes["class"] = "Class"
+    def __init__(self, name, bases, doc, code):
+        self.name = name
+        self.bases = bases
+        self.doc = doc
+        self.code = code
 
     def getChildren(self):
         children = []
-        children.extend(flatten(self.nodes))
+        children.append(self.name)
+        children.extend(flatten(self.bases))
+        children.append(self.doc)
+        children.append(self.code)
         return tuple(children)
 
     def getChildNodes(self):
         nodes = []
-        nodes.extend(flatten_nodes(self.nodes))
+        nodes.extend(flatten_nodes(self.bases))
+        nodes.append(self.code)
         return tuple(nodes)
 
     def __repr__(self):
-        return "Bitxor(%s)" % (repr(self.nodes),)
-
-class TryFinally(Node):
-    nodes["tryfinally"] = "TryFinally"
-    def __init__(self, body, final):
-        self.body = body
-        self.final = final
-
-    def getChildren(self):
-        return self.body, self.final
-
-    def getChildNodes(self):
-        return self.body, self.final
-
-    def __repr__(self):
-        return "TryFinally(%s, %s)" % (repr(self.body), repr(self.final))
+        return "Class(%s, %s, %s, %s)" % (repr(self.name), repr(self.bases), repr(self.doc), repr(self.code))
 
-class FloorDiv(Node):
-    nodes["floordiv"] = "FloorDiv"
+class Mod(Node):
+    nodes["mod"] = "Mod"
     def __init__(self, (left, right)):
         self.left = left
         self.right = right
@@ -673,42 +684,31 @@ class FloorDiv(Node):
         return self.left, self.right
 
     def __repr__(self):
-        return "FloorDiv((%s, %s))" % (repr(self.left), repr(self.right))
+        return "Mod((%s, %s))" % (repr(self.left), repr(self.right))
 
-class Bitand(Node):
-    nodes["bitand"] = "Bitand"
-    def __init__(self, nodes):
+class Printnl(Node):
+    nodes["printnl"] = "Printnl"
+    def __init__(self, nodes, dest):
         self.nodes = nodes
+        self.dest = dest
 
     def getChildren(self):
         children = []
         children.extend(flatten(self.nodes))
+        children.append(self.dest)
         return tuple(children)
 
     def getChildNodes(self):
         nodes = []
         nodes.extend(flatten_nodes(self.nodes))
+        if self.dest is not None:            nodes.append(self.dest)
         return tuple(nodes)
 
     def __repr__(self):
-        return "Bitand(%s)" % (repr(self.nodes),)
-
-class Break(Node):
-    nodes["break"] = "Break"
-    def __init__(self, ):
-        pass
-
-    def getChildren(self):
-        return ()
-
-    def getChildNodes(self):
-        return ()
-
-    def __repr__(self):
-        return "Break()"
+        return "Printnl(%s, %s)" % (repr(self.nodes), repr(self.dest))
 
-class Stmt(Node):
-    nodes["stmt"] = "Stmt"
+class Tuple(Node):
+    nodes["tuple"] = "Tuple"
     def __init__(self, nodes):
         self.nodes = nodes
 
@@ -723,84 +723,75 @@ class Stmt(Node):
         return tuple(nodes)
 
     def __repr__(self):
-        return "Stmt(%s)" % (repr(self.nodes),)
+        return "Tuple(%s)" % (repr(self.nodes),)
 
-class Assert(Node):
-    nodes["assert"] = "Assert"
-    def __init__(self, test, fail):
-        self.test = test
-        self.fail = fail
+class AssAttr(Node):
+    nodes["assattr"] = "AssAttr"
+    def __init__(self, expr, attrname, flags):
+        self.expr = expr
+        self.attrname = attrname
+        self.flags = flags
 
     def getChildren(self):
-        children = []
-        children.append(self.test)
-        children.append(self.fail)
-        return tuple(children)
+        return self.expr, self.attrname, self.flags
 
     def getChildNodes(self):
-        nodes = []
-        nodes.append(self.test)
-        if self.fail is not None:            nodes.append(self.fail)
-        return tuple(nodes)
+        return self.expr,
 
     def __repr__(self):
-        return "Assert(%s, %s)" % (repr(self.test), repr(self.fail))
+        return "AssAttr(%s, %s, %s)" % (repr(self.expr), repr(self.attrname), repr(self.flags))
 
-class Exec(Node):
-    nodes["exec"] = "Exec"
-    def __init__(self, expr, locals, globals):
+class Keyword(Node):
+    nodes["keyword"] = "Keyword"
+    def __init__(self, name, expr):
+        self.name = name
         self.expr = expr
-        self.locals = locals
-        self.globals = globals
 
     def getChildren(self):
-        children = []
-        children.append(self.expr)
-        children.append(self.locals)
-        children.append(self.globals)
-        return tuple(children)
+        return self.name, self.expr
 
     def getChildNodes(self):
-        nodes = []
-        nodes.append(self.expr)
-        if self.locals is not None:            nodes.append(self.locals)
-        if self.globals is not None:            nodes.append(self.globals)
-        return tuple(nodes)
+        return self.expr,
 
     def __repr__(self):
-        return "Exec(%s, %s, %s)" % (repr(self.expr), repr(self.locals), repr(self.globals))
+        return "Keyword(%s, %s)" % (repr(self.name), repr(self.expr))
 
-class Power(Node):
-    nodes["power"] = "Power"
-    def __init__(self, (left, right)):
-        self.left = left
-        self.right = right
+class AugAssign(Node):
+    nodes["augassign"] = "AugAssign"
+    def __init__(self, node, op, expr):
+        self.node = node
+        self.op = op
+        self.expr = expr
 
     def getChildren(self):
-        return self.left, self.right
+        return self.node, self.op, self.expr
 
     def getChildNodes(self):
-        return self.left, self.right
+        return self.node, self.expr
 
     def __repr__(self):
-        return "Power((%s, %s))" % (repr(self.left), repr(self.right))
+        return "AugAssign(%s, %s, %s)" % (repr(self.node), repr(self.op), repr(self.expr))
 
-class Ellipsis(Node):
-    nodes["ellipsis"] = "Ellipsis"
-    def __init__(self, ):
-        pass
+class List(Node):
+    nodes["list"] = "List"
+    def __init__(self, nodes):
+        self.nodes = nodes
 
     def getChildren(self):
-        return ()
+        children = []
+        children.extend(flatten(self.nodes))
+        return tuple(children)
 
     def getChildNodes(self):
-        return ()
+        nodes = []
+        nodes.extend(flatten_nodes(self.nodes))
+        return tuple(nodes)
 
     def __repr__(self):
-        return "Ellipsis()"
+        return "List(%s)" % (repr(self.nodes),)
 
-class Return(Node):
-    nodes["return"] = "Return"
+class Yield(Node):
+    nodes["yield"] = "Yield"
     def __init__(self, value):
         self.value = value
 
@@ -811,10 +802,10 @@ class Return(Node):
         return self.value,
 
     def __repr__(self):
-        return "Return(%s)" % (repr(self.value),)
+        return "Yield(%s)" % (repr(self.value),)
 
-class Add(Node):
-    nodes["add"] = "Add"
+class LeftShift(Node):
+    nodes["leftshift"] = "LeftShift"
     def __init__(self, (left, right)):
         self.left = left
         self.right = right
@@ -826,189 +817,215 @@ class Add(Node):
         return self.left, self.right
 
     def __repr__(self):
-        return "Add((%s, %s))" % (repr(self.left), repr(self.right))
+        return "LeftShift((%s, %s))" % (repr(self.left), repr(self.right))
 
-class Function(Node):
-    nodes["function"] = "Function"
-    def __init__(self, name, argnames, defaults, flags, doc, code):
+class AssName(Node):
+    nodes["assname"] = "AssName"
+    def __init__(self, name, flags):
         self.name = name
-        self.argnames = argnames
-        self.defaults = defaults
         self.flags = flags
-        self.doc = doc
-        self.code = code
-        self.varargs = self.kwargs = None
-        if flags & CO_VARARGS:
-            self.varargs = 1
-        if flags & CO_VARKEYWORDS:
-            self.kwargs = 1
-    
-
 
     def getChildren(self):
-        return self.name, self.argnames, self.defaults, self.flags, self.doc, self.code
+        return self.name, self.flags
 
     def getChildNodes(self):
-        return self.code,
+        return ()
 
     def __repr__(self):
-        return "Function(%s, %s, %s, %s, %s, %s)" % (repr(self.name), repr(self.argnames), repr(self.defaults), repr(self.flags), repr(self.doc), repr(self.code))
+        return "AssName(%s, %s)" % (repr(self.name), repr(self.flags))
 
-class TryExcept(Node):
-    nodes["tryexcept"] = "TryExcept"
-    def __init__(self, body, handlers, else_):
+class While(Node):
+    nodes["while"] = "While"
+    def __init__(self, test, body, else_):
+        self.test = test
         self.body = body
-        self.handlers = handlers
         self.else_ = else_
 
     def getChildren(self):
         children = []
+        children.append(self.test)
         children.append(self.body)
-        children.extend(flatten(self.handlers))
         children.append(self.else_)
         return tuple(children)
 
     def getChildNodes(self):
         nodes = []
+        nodes.append(self.test)
         nodes.append(self.body)
-        nodes.extend(flatten_nodes(self.handlers))
         if self.else_ is not None:            nodes.append(self.else_)
         return tuple(nodes)
 
     def __repr__(self):
-        return "TryExcept(%s, %s, %s)" % (repr(self.body), repr(self.handlers), repr(self.else_))
+        return "While(%s, %s, %s)" % (repr(self.test), repr(self.body), repr(self.else_))
 
-class Subscript(Node):
-    nodes["subscript"] = "Subscript"
-    def __init__(self, expr, flags, subs):
+class Continue(Node):
+    nodes["continue"] = "Continue"
+    def __init__(self, ):
+        pass
+
+    def getChildren(self):
+        return ()
+
+    def getChildNodes(self):
+        return ()
+
+    def __repr__(self):
+        return "Continue()"
+
+class Backquote(Node):
+    nodes["backquote"] = "Backquote"
+    def __init__(self, expr):
         self.expr = expr
-        self.flags = flags
-        self.subs = subs
 
     def getChildren(self):
-        children = []
-        children.append(self.expr)
-        children.append(self.flags)
-        children.extend(flatten(self.subs))
-        return tuple(children)
+        return self.expr,
 
     def getChildNodes(self):
-        nodes = []
-        nodes.append(self.expr)
-        nodes.extend(flatten_nodes(self.subs))
-        return tuple(nodes)
+        return self.expr,
 
     def __repr__(self):
-        return "Subscript(%s, %s, %s)" % (repr(self.expr), repr(self.flags), repr(self.subs))
+        return "Backquote(%s)" % (repr(self.expr),)
 
-class Import(Node):
-    nodes["import"] = "Import"
-    def __init__(self, names):
-        self.names = names
+class Discard(Node):
+    nodes["discard"] = "Discard"
+    def __init__(self, expr):
+        self.expr = expr
 
     def getChildren(self):
-        return self.names,
+        return self.expr,
 
     def getChildNodes(self):
-        return ()
+        return self.expr,
 
     def __repr__(self):
-        return "Import(%s)" % (repr(self.names),)
+        return "Discard(%s)" % (repr(self.expr),)
 
-class Print(Node):
-    nodes["print"] = "Print"
-    def __init__(self, nodes, dest):
+class Div(Node):
+    nodes["div"] = "Div"
+    def __init__(self, (left, right)):
+        self.left = left
+        self.right = right
+
+    def getChildren(self):
+        return self.left, self.right
+
+    def getChildNodes(self):
+        return self.left, self.right
+
+    def __repr__(self):
+        return "Div((%s, %s))" % (repr(self.left), repr(self.right))
+
+class Assign(Node):
+    nodes["assign"] = "Assign"
+    def __init__(self, nodes, expr):
         self.nodes = nodes
-        self.dest = dest
+        self.expr = expr
 
     def getChildren(self):
         children = []
         children.extend(flatten(self.nodes))
-        children.append(self.dest)
+        children.append(self.expr)
         return tuple(children)
 
     def getChildNodes(self):
         nodes = []
         nodes.extend(flatten_nodes(self.nodes))
-        if self.dest is not None:            nodes.append(self.dest)
+        nodes.append(self.expr)
         return tuple(nodes)
 
     def __repr__(self):
-        return "Print(%s, %s)" % (repr(self.nodes), repr(self.dest))
+        return "Assign(%s, %s)" % (repr(self.nodes), repr(self.expr))
+
+class Lambda(Node):
+    nodes["lambda"] = "Lambda"
+    def __init__(self, argnames, defaults, flags, code):
+        self.argnames = argnames
+        self.defaults = defaults
+        self.flags = flags
+        self.code = code
+        self.varargs = self.kwargs = None
+        if flags & CO_VARARGS:
+            self.varargs = 1
+        if flags & CO_VARKEYWORDS:
+            self.kwargs = 1
 
-class UnaryAdd(Node):
-    nodes["unaryadd"] = "UnaryAdd"
-    def __init__(self, expr):
-        self.expr = expr
 
     def getChildren(self):
-        return self.expr,
+        children = []
+        children.append(self.argnames)
+        children.extend(flatten(self.defaults))
+        children.append(self.flags)
+        children.append(self.code)
+        return tuple(children)
 
     def getChildNodes(self):
-        return self.expr,
+        nodes = []
+        nodes.extend(flatten_nodes(self.defaults))
+        nodes.append(self.code)
+        return tuple(nodes)
 
     def __repr__(self):
-        return "UnaryAdd(%s)" % (repr(self.expr),)
+        return "Lambda(%s, %s, %s, %s)" % (repr(self.argnames), repr(self.defaults), repr(self.flags), repr(self.code))
 
-class ListCompFor(Node):
-    nodes["listcompfor"] = "ListCompFor"
-    def __init__(self, assign, list, ifs):
-        self.assign = assign
-        self.list = list
-        self.ifs = ifs
+class And(Node):
+    nodes["and"] = "And"
+    def __init__(self, nodes):
+        self.nodes = nodes
 
     def getChildren(self):
         children = []
-        children.append(self.assign)
-        children.append(self.list)
-        children.extend(flatten(self.ifs))
+        children.extend(flatten(self.nodes))
         return tuple(children)
 
     def getChildNodes(self):
         nodes = []
-        nodes.append(self.assign)
-        nodes.append(self.list)
-        nodes.extend(flatten_nodes(self.ifs))
+        nodes.extend(flatten_nodes(self.nodes))
         return tuple(nodes)
 
     def __repr__(self):
-        return "ListCompFor(%s, %s, %s)" % (repr(self.assign), repr(self.list), repr(self.ifs))
+        return "And(%s)" % (repr(self.nodes),)
 
-class Dict(Node):
-    nodes["dict"] = "Dict"
-    def __init__(self, items):
-        self.items = items
+class Compare(Node):
+    nodes["compare"] = "Compare"
+    def __init__(self, expr, ops):
+        self.expr = expr
+        self.ops = ops
 
     def getChildren(self):
         children = []
-        children.extend(flatten(self.items))
+        children.append(self.expr)
+        children.extend(flatten(self.ops))
         return tuple(children)
 
     def getChildNodes(self):
         nodes = []
-        nodes.extend(flatten_nodes(self.items))
+        nodes.append(self.expr)
+        nodes.extend(flatten_nodes(self.ops))
         return tuple(nodes)
 
     def __repr__(self):
-        return "Dict(%s)" % (repr(self.items),)
+        return "Compare(%s, %s)" % (repr(self.expr), repr(self.ops))
 
-class Getattr(Node):
-    nodes["getattr"] = "Getattr"
-    def __init__(self, expr, attrname):
-        self.expr = expr
-        self.attrname = attrname
+class Bitor(Node):
+    nodes["bitor"] = "Bitor"
+    def __init__(self, nodes):
+        self.nodes = nodes
 
     def getChildren(self):
-        return self.expr, self.attrname
+        children = []
+        children.extend(flatten(self.nodes))
+        return tuple(children)
 
     def getChildNodes(self):
-        return self.expr,
+        nodes = []
+        nodes.extend(flatten_nodes(self.nodes))
+        return tuple(nodes)
 
     def __repr__(self):
-        return "Getattr(%s, %s)" % (repr(self.expr), repr(self.attrname))
+        return "Bitor(%s)" % (repr(self.nodes),)
 
-class AssList(Node):
-    nodes["asslist"] = "AssList"
+class Bitxor(Node):
+    nodes["bitxor"] = "Bitxor"
     def __init__(self, nodes):
         self.nodes = nodes
 
@@ -1023,177 +1040,186 @@ class AssList(Node):
         return tuple(nodes)
 
     def __repr__(self):
-        return "AssList(%s)" % (repr(self.nodes),)
+        return "Bitxor(%s)" % (repr(self.nodes),)
 
-class UnarySub(Node):
-    nodes["unarysub"] = "UnarySub"
-    def __init__(self, expr):
-        self.expr = expr
+class CallFunc(Node):
+    nodes["callfunc"] = "CallFunc"
+    def __init__(self, node, args, star_args = None, dstar_args = None):
+        self.node = node
+        self.args = args
+        self.star_args = star_args
+        self.dstar_args = dstar_args
 
     def getChildren(self):
-        return self.expr,
+        children = []
+        children.append(self.node)
+        children.extend(flatten(self.args))
+        children.append(self.star_args)
+        children.append(self.dstar_args)
+        return tuple(children)
 
     def getChildNodes(self):
-        return self.expr,
+        nodes = []
+        nodes.append(self.node)
+        nodes.extend(flatten_nodes(self.args))
+        if self.star_args is not None:            nodes.append(self.star_args)
+        if self.dstar_args is not None:            nodes.append(self.dstar_args)
+        return tuple(nodes)
 
     def __repr__(self):
-        return "UnarySub(%s)" % (repr(self.expr),)
+        return "CallFunc(%s, %s, %s, %s)" % (repr(self.node), repr(self.args), repr(self.star_args), repr(self.dstar_args))
 
-class Sliceobj(Node):
-    nodes["sliceobj"] = "Sliceobj"
-    def __init__(self, nodes):
-        self.nodes = nodes
+class Global(Node):
+    nodes["global"] = "Global"
+    def __init__(self, names):
+        self.names = names
 
     def getChildren(self):
-        children = []
-        children.extend(flatten(self.nodes))
-        return tuple(children)
+        return self.names,
 
     def getChildNodes(self):
-        nodes = []
-        nodes.extend(flatten_nodes(self.nodes))
-        return tuple(nodes)
+        return ()
 
     def __repr__(self):
-        return "Sliceobj(%s)" % (repr(self.nodes),)
+        return "Global(%s)" % (repr(self.names),)
 
-class Invert(Node):
-    nodes["invert"] = "Invert"
-    def __init__(self, expr):
-        self.expr = expr
+class Add(Node):
+    nodes["add"] = "Add"
+    def __init__(self, (left, right)):
+        self.left = left
+        self.right = right
 
     def getChildren(self):
-        return self.expr,
+        return self.left, self.right
 
     def getChildNodes(self):
-        return self.expr,
+        return self.left, self.right
 
     def __repr__(self):
-        return "Invert(%s)" % (repr(self.expr),)
+        return "Add((%s, %s))" % (repr(self.left), repr(self.right))
 
-class Name(Node):
-    nodes["name"] = "Name"
-    def __init__(self, name):
-        self.name = name
+class ListCompIf(Node):
+    nodes["listcompif"] = "ListCompIf"
+    def __init__(self, test):
+        self.test = test
 
     def getChildren(self):
-        return self.name,
+        return self.test,
+
+    def getChildNodes(self):
+        return self.test,
+
+    def __repr__(self):
+        return "ListCompIf(%s)" % (repr(self.test),)
+
+class Sub(Node):
+    nodes["sub"] = "Sub"
+    def __init__(self, (left, right)):
+        self.left = left
+        self.right = right
+
+    def getChildren(self):
+        return self.left, self.right
+
+    def getChildNodes(self):
+        return self.left, self.right
+
+    def __repr__(self):
+        return "Sub((%s, %s))" % (repr(self.left), repr(self.right))
+
+class Pass(Node):
+    nodes["pass"] = "Pass"
+    def __init__(self, ):
+        pass
+
+    def getChildren(self):
+        return ()
 
     def getChildNodes(self):
         return ()
 
     def __repr__(self):
-        return "Name(%s)" % (repr(self.name),)
+        return "Pass()"
 
-class AssTuple(Node):
-    nodes["asstuple"] = "AssTuple"
-    def __init__(self, nodes):
-        self.nodes = nodes
+class UnarySub(Node):
+    nodes["unarysub"] = "UnarySub"
+    def __init__(self, expr):
+        self.expr = expr
 
     def getChildren(self):
-        children = []
-        children.extend(flatten(self.nodes))
-        return tuple(children)
+        return self.expr,
 
     def getChildNodes(self):
-        nodes = []
-        nodes.extend(flatten_nodes(self.nodes))
-        return tuple(nodes)
+        return self.expr,
 
     def __repr__(self):
-        return "AssTuple(%s)" % (repr(self.nodes),)
+        return "UnarySub(%s)" % (repr(self.expr),)
 
-class For(Node):
-    nodes["for"] = "For"
-    def __init__(self, assign, list, body, else_):
-        self.assign = assign
-        self.list = list
-        self.body = body
+class If(Node):
+    nodes["if"] = "If"
+    def __init__(self, tests, else_):
+        self.tests = tests
         self.else_ = else_
 
     def getChildren(self):
         children = []
-        children.append(self.assign)
-        children.append(self.list)
-        children.append(self.body)
+        children.extend(flatten(self.tests))
         children.append(self.else_)
         return tuple(children)
 
     def getChildNodes(self):
         nodes = []
-        nodes.append(self.assign)
-        nodes.append(self.list)
-        nodes.append(self.body)
+        nodes.extend(flatten_nodes(self.tests))
         if self.else_ is not None:            nodes.append(self.else_)
         return tuple(nodes)
 
     def __repr__(self):
-        return "For(%s, %s, %s, %s)" % (repr(self.assign), repr(self.list), repr(self.body), repr(self.else_))
+        return "If(%s, %s)" % (repr(self.tests), repr(self.else_))
 
-class Raise(Node):
-    nodes["raise"] = "Raise"
-    def __init__(self, expr1, expr2, expr3):
-        self.expr1 = expr1
-        self.expr2 = expr2
-        self.expr3 = expr3
+class ListComp(Node):
+    nodes["listcomp"] = "ListComp"
+    def __init__(self, expr, quals):
+        self.expr = expr
+        self.quals = quals
 
     def getChildren(self):
         children = []
-        children.append(self.expr1)
-        children.append(self.expr2)
-        children.append(self.expr3)
+        children.append(self.expr)
+        children.extend(flatten(self.quals))
         return tuple(children)
 
     def getChildNodes(self):
         nodes = []
-        if self.expr1 is not None:            nodes.append(self.expr1)
-        if self.expr2 is not None:            nodes.append(self.expr2)
-        if self.expr3 is not None:            nodes.append(self.expr3)
+        nodes.append(self.expr)
+        nodes.extend(flatten_nodes(self.quals))
         return tuple(nodes)
 
     def __repr__(self):
-        return "Raise(%s, %s, %s)" % (repr(self.expr1), repr(self.expr2), repr(self.expr3))
-
-class From(Node):
-    nodes["from"] = "From"
-    def __init__(self, modname, names):
-        self.modname = modname
-        self.names = names
-
-    def getChildren(self):
-        return self.modname, self.names
-
-    def getChildNodes(self):
-        return ()
-
-    def __repr__(self):
-        return "From(%s, %s)" % (repr(self.modname), repr(self.names))
+        return "ListComp(%s, %s)" % (repr(self.expr), repr(self.quals))
 
-class Slice(Node):
-    nodes["slice"] = "Slice"
-    def __init__(self, expr, flags, lower, upper):
-        self.expr = expr
-        self.flags = flags
-        self.lower = lower
-        self.upper = upper
+class ListCompFor(Node):
+    nodes["listcompfor"] = "ListCompFor"
+    def __init__(self, assign, list, ifs):
+        self.assign = assign
+        self.list = list
+        self.ifs = ifs
 
     def getChildren(self):
         children = []
-        children.append(self.expr)
-        children.append(self.flags)
-        children.append(self.lower)
-        children.append(self.upper)
+        children.append(self.assign)
+        children.append(self.list)
+        children.extend(flatten(self.ifs))
         return tuple(children)
 
     def getChildNodes(self):
         nodes = []
-        nodes.append(self.expr)
-        if self.lower is not None:            nodes.append(self.lower)
-        if self.upper is not None:            nodes.append(self.upper)
+        nodes.append(self.assign)
+        nodes.append(self.list)
+        nodes.extend(flatten_nodes(self.ifs))
         return tuple(nodes)
 
     def __repr__(self):
-        return "Slice(%s, %s, %s, %s)" % (repr(self.expr), repr(self.flags), repr(self.lower), repr(self.upper))
+        return "ListCompFor(%s, %s, %s)" % (repr(self.assign), repr(self.list), repr(self.ifs))
 
 klasses = globals()
 for k in nodes.keys():