36 lines
1 KiB
Python
36 lines
1 KiB
Python
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"""
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Objective-C runtime wrapper for use by LLDB Python formatters
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Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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See https://llvm.org/LICENSE.txt for license information.
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SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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"""
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import lldb.formatters.metrics
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class Cache:
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def __init__(self):
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self.data = {}
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self.statistics = lldb.formatters.metrics.Metrics()
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self.statistics.add_metric("hit")
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self.statistics.add_metric("miss")
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def look_for_key(self, key):
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if key in self.data:
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return True
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return False
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def add_item(self, key, value, ok_to_replace=True):
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if not (ok_to_replace) and self.look_for_key(key):
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return False
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self.data[key] = value
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return True
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def get_value(self, key, default=None):
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if self.look_for_key(key):
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self.statistics.metric_hit("hit", key)
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return self.data[key]
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else:
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self.statistics.metric_hit("miss", key)
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return default
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