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Use sets instead of dicts if possible

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Dave Halter
2018-06-17 16:36:27 +02:00
parent c43cb21a0e
commit 6b391af071
1 changed files with 3 additions and 4 deletions
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7
parso/pgen2/pgen.py
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@@ -58,11 +58,11 @@ class ParserGenerator(object):
def _make_first(self, grammar, name): def _make_first(self, grammar, name):
rawfirst = self._first[name] rawfirst = self._first[name]
first = {} first = set()
for label in rawfirst: for label in rawfirst:
ilabel = self._make_label(grammar, label) ilabel = self._make_label(grammar, label)
##assert ilabel not in first # XXX failed on <> ... != ##assert ilabel not in first, "%s failed on <> ... !=" % label
first[ilabel] = 1 first.add(ilabel)
return first return first
def _make_label(self, grammar, label): def _make_label(self, grammar, label):
@@ -98,7 +98,6 @@ class ParserGenerator(object):
if value in grammar.keywords: if value in grammar.keywords:
return grammar.keywords[value] return grammar.keywords[value]
else: else:
# TODO this might be an issue?! Using token.NAME here?
grammar.labels.append((token.NAME, value)) grammar.labels.append((token.NAME, value))
grammar.keywords[value] = ilabel grammar.keywords[value] = ilabel
return ilabel return ilabel