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""" |
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SDoc |
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Copyright 2016 Set Based IT Consultancy |
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Licence MIT |
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""" |
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# ---------------------------------------------------------------------------------------------------------------------- |
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import abc |
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class DataType: |
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""" |
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Abstract parent class for all data types. |
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""" |
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# Constants for all data types. |
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INT = 1 |
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STRING = 2 |
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ARRAY = 3 |
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# ------------------------------------------------------------------------------------------------------------------ |
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@abc.abstractmethod |
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def debug(self, indent=0): |
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""" |
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Returns a string for debugging. |
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:param int indent: The indentation level. |
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:rtype: str |
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""" |
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raise NotImplementedError |
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# ------------------------------------------------------------------------------------------------------------------ |
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@abc.abstractmethod |
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def dereference(self): |
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""" |
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Returns a clone of this data type. |
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:rtype: DataType |
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""" |
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raise NotImplementedError |
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# ------------------------------------------------------------------------------------------------------------------ |
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@abc.abstractmethod |
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def get_value(self): |
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""" |
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Returns the underling value of this data type. |
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:rtype: str|int |
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""" |
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raise NotImplementedError |
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# ------------------------------------------------------------------------------------------------------------------ |
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@abc.abstractmethod |
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def get_type_id(self): |
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""" |
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Returns the ID of this data type. |
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:rtype: int |
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""" |
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raise NotImplementedError |
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# ------------------------------------------------------------------------------------------------------------------ |
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@abc.abstractmethod |
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def is_constant(self): |
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""" |
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Returns True if this data type is a constant. Returns False otherwise. |
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:rtype: bool |
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""" |
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raise NotImplementedError |
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# ------------------------------------------------------------------------------------------------------------------ |
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@abc.abstractmethod |
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def is_defined(self): |
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""" |
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Returns True if this data type is defined, i.e. has a value. Returns False otherwise. |
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:rtype: bool |
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""" |
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raise NotImplementedError |
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# ------------------------------------------------------------------------------------------------------------------ |
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@abc.abstractmethod |
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def is_scalar(self): |
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""" |
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Returns True if this data type is a scalar. Returns False otherwise. |
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:rtype: bool |
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""" |
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raise NotImplementedError |
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# ------------------------------------------------------------------------------------------------------------------ |
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@abc.abstractmethod |
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def is_true(self): |
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""" |
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Returns True if this data type evaluates to True. Returns False otherwise. |
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:rtype: bool |
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""" |
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raise NotImplementedError |
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# ---------------------------------------------------------------------------------------------------------------------- |
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