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[lit] Change lit.Test.ResultCode to be unique across pickling.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189549 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -5,6 +5,17 @@ import os
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class ResultCode(object):
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"""Test result codes."""
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# We override __new__ and __getnewargs__ to ensure that pickling still
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# provides unique ResultCode objects in any particular instance.
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_instances = {}
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def __new__(cls, name, isFailure):
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res = cls._instances.get(name)
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if res is None:
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cls._instances[name] = res = super(ResultCode, cls).__new__(cls)
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return res
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def __getnewargs__(self):
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return (self.name, self.isFailure)
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def __init__(self, name, isFailure):
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self.name = name
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self.isFailure = isFailure
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