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Related duplicate rule reporting in lexer

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This commit is contained in:
David Beazley 2016-10-09 12:33:27 -05:00
parent a6eab9d9e0
commit d614aa0e04
1 changed files with 5 additions and 4 deletions
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9
sly/lex.py
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@ -74,10 +74,11 @@ class LexerMetaDict(OrderedDict):
'''
def __setitem__(self, key, value):
if key in self and not isinstance(value, property):
if isinstance(self[key], str) and callable(value):
value.pattern = self[key]
else:
raise AttributeError('Name %s redefined' % (key))
if isinstance(self[key], str):
if callable(value):
value.pattern = self[key]
else:
raise AttributeError('Name %s redefined' % (key))
super().__setitem__(key, value)