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Fixed Issue #14.

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This commit is contained in:
David Beazley 2018-09-08 15:26:00 -05:00
parent a33ff221e5
commit 6a27431f81
2 changed files with 4 additions and 1 deletions
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3
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@ -1,5 +1,8 @@
Version 0.4 Version 0.4
----------- -----------
9/8/2018 Fixed Issue #14. YaccProduction index property causes
AttributeError if index is 0
9/5/2018 Added support for getattr() and related functions on 9/5/2018 Added support for getattr() and related functions on
productions. productions.

2
sly/yacc.py
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@ -139,7 +139,7 @@ class YaccProduction:
if isinstance(tok, YaccSymbol): if isinstance(tok, YaccSymbol):
continue continue
index = getattr(tok, 'index', None) index = getattr(tok, 'index', None)
if index: if index is not None:
return index return index
raise AttributeError('No index attribute found') raise AttributeError('No index attribute found')