28 lines
724 B
Python
28 lines
724 B
Python
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class Node(object):
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def __init__(self, children=None):
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self.children = children
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if self.children is None:
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self.children = []
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def visit(self, callback, *args):
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callback(self, *args)
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for c in self.children:
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c.visit(callback, *args)
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class StatementNode(Node):
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def __init__(self, children=None):
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Node.__init__(self, children)
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class ExprNode(Node):
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def __init__(self, children=None):
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Node.__init__(self, children)
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class CExprNode(ExprNode):
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def __init__(self, cstring):
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ExprNode.__init__(self)
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self.cstring = cstring
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class UnitNode(Node):
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def __init__(self, children=None):
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Node.__init__(self, children)
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