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[etc/vim.git] / blib2to3 / pgen2 / grammar.py

diff --git a/blib2to3/pgen2/grammar.py b/blib2to3/pgen2/grammar.py
index 3ccf38ff9d80acc344ae6acbfb12433a9f9542bc..32d1d8b7226e3b4b8f27068d70628c12cdf42fa6 100644 (file)
--- a/blib2to3/pgen2/grammar.py
+++ b/blib2to3/pgen2/grammar.py
@@ -85,6 +85,8 @@ class Grammar(object):
         self.tokens = {}
         self.symbol2label = {}
         self.start = 256
         self.tokens = {}
         self.symbol2label = {}
         self.start = 256

+        # Python 3.7+ parses async as a keyword, not an identifier
+        self.async_keywords = False

 
     def dump(self, filename):
         """Dump the grammar tables to a pickle file."""
 
     def dump(self, filename):
         """Dump the grammar tables to a pickle file."""


@@ -113,6 +115,7 @@ class Grammar(object):
         new.labels = self.labels[:]
         new.states = self.states[:]
         new.start = self.start
         new.labels = self.labels[:]
         new.states = self.states[:]
         new.start = self.start

+        new.async_keywords = self.async_keywords

         return new
 
     def report(self):
         return new
 
     def report(self):