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Remove label caching

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Dave Halter
2018-06-24 17:56:13 +02:00
parent 530a324643
commit 2a9d8632fe
1 changed files with 0 additions and 13 deletions
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13
parso/pgen2/grammar.py
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@@ -60,7 +60,6 @@ class Grammar(object):
self.tokens = {} self.tokens = {}
self.start_nonterminal = start_nonterminal self.start_nonterminal = start_nonterminal
self._label_cache = {}
self._make_grammar() self._make_grammar()
def _make_grammar(self): def _make_grammar(self):
@@ -88,18 +87,6 @@ class Grammar(object):
ilabel = self._make_label(terminal_or_nonterminal) ilabel = self._make_label(terminal_or_nonterminal)
plans[ilabel] = DFAPlan(next_dfa) plans[ilabel] = DFAPlan(next_dfa)
def _cache_labels(func):
def wrapper(self, label):
try:
return self._label_cache[label]
except KeyError:
result = func(self, label)
self._label_cache[label] = result
return result
return wrapper
@_cache_labels
def _make_label(self, label): def _make_label(self, label):
if label[0].isalpha(): if label[0].isalpha():
# Either a nonterminal name or a named token # Either a nonterminal name or a named token