28 lines
651 B
Python
28 lines
651 B
Python
class TangoScope:
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def __init__(self):
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self.defs = {}
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def set_def(self, ident, val):
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self.defs[ident] = val
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def get_def(self, ident):
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return self.defs.get(ident)
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class ChildTangoScope(TangoScope):
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def __init__(self, parent):
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super().__init__()
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self.parent = parent
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def get_def_local(self, ident):
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return self.defs.get(ident)
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def get_def(self, ident):
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local = self.get_def_local(ident)
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if local is None:
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return self.parent.get_def(ident)
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else:
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return local
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class RootTangoScope(TangoScope):
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pass |