terry@google.com
ecceb75d35
BUG= R=vsm@google.com Committed: https://code.google.com/p/dart/source/detail?r=39948 Review URL: https://codereview.chromium.org//444743002 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@40026 260f80e4-7a28-3924-810f-c04153c831b5
80 lines
2.1 KiB
Python
80 lines
2.1 KiB
Python
#!/usr/bin/python
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# Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file
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# for details. All rights reserved. Use of this source code is governed by a
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# BSD-style license that can be found in the LICENSE file.
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"""This module provides maps and sets that report unused elements."""
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_monitored_values = []
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def FinishMonitoring(includeDart2jsOnly, logger):
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for value in _monitored_values:
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if value._dart2jsOnly and not includeDart2jsOnly:
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continue
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value.CheckUsage(logger)
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class MonitoredCollection(object):
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def __init__(self, name, dart2jsOnly):
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self.name = name
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self._used_keys = set()
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self._dart2jsOnly = dart2jsOnly
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_monitored_values.append(self)
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class Dict(MonitoredCollection):
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"""Wrapper for a dict that reports unused keys."""
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def __init__(self, name, map, dart2jsOnly=False):
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super(Dict, self).__init__(name, dart2jsOnly)
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self._map = map
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def __getitem__(self, key):
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self._used_keys.add(key)
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return self._map[key]
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def __setitem__(self, key, value):
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self._map[key] = value
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def __contains__(self, key):
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self._used_keys.add(key)
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return key in self._map
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def __iter__(self):
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return self._map.__iter__()
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def get(self, key, default=None):
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self._used_keys.add(key)
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return self._map.get(key, default)
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def keys(self):
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return self._map.keys()
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def CheckUsage(self, logger):
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for v in sorted(self._map.keys()):
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if v not in self._used_keys:
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logger.warn('dict \'%s\' has unused key \'%s\'' % (self.name, v))
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class Set(MonitoredCollection):
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"""Wrapper for a set that reports unused keys."""
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def __init__(self, name, a_set, dart2jsOnly=False):
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super(Set, self).__init__(name, dart2jsOnly)
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self._set = a_set
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def __contains__(self, key):
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self._used_keys.add(key)
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return key in self._set
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def __iter__(self):
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return self._set.__iter__()
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def add(self, key):
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self._set += [key]
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def CheckUsage(self, logger):
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for v in sorted(self._set):
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if v not in self._used_keys:
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logger.warn('set \'%s\' has unused key \'%s\'' % (self.name, v))
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