36 lines
928 B
Python
36 lines
928 B
Python
# Copyright (c) PARRRATE T&V 2021. All rights reserved.
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from bu4.evaluation.constructs.evaluable import Evaluable
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from bu4.evaluation.constructs.evalue import EValue
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__all__ = ('Probe', 'ProbeA',)
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class Probe(EValue):
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def call(self, argument: Evaluable) -> Evaluable:
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return ProbeB(self, argument)
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def start_and_list(self):
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probe = self
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list_ = []
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while isinstance(probe, ProbeB):
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list_.append(probe.argument)
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probe = probe.prev
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assert isinstance(probe, ProbeA)
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return probe.start, reversed(list_)
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def __str__(self):
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start, list_ = self.start_and_list()
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return f'probe {start} [ {" ; ".join(map(str, list_))} ]'
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class ProbeA(Probe):
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def __init__(self, start):
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self.start = start
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class ProbeB(Probe):
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def __init__(self, prev: Probe, argument):
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self.prev = prev
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self.argument = argument
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