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Accelerate Unicode identifier support (backport from Lib/tokenize.py)
[etc/vim.git] / blib2to3 / pygram.py
index bf55ab4babc1f29500fd1880c65702b95207ce70..b847c1e71b7d2261cdc4b4cf2e4f94070c503938 100644 (file)
@@ -29,16 +29,16 @@ class Symbols(object):
             setattr(self, name, symbol)
 
 
+# Python 2
 python_grammar = driver.load_packaged_grammar("blib2to3", _GRAMMAR_FILE)
 
 python_symbols = Symbols(python_grammar)
 
+# Python 2 + from __future__ import print_function
 python_grammar_no_print_statement = python_grammar.copy()
 del python_grammar_no_print_statement.keywords["print"]
 
-python_grammar_no_exec_statement = python_grammar.copy()
-del python_grammar_no_exec_statement.keywords["exec"]
-
+# Python 3
 python_grammar_no_print_statement_no_exec_statement = python_grammar.copy()
 del python_grammar_no_print_statement_no_exec_statement.keywords["print"]
 del python_grammar_no_print_statement_no_exec_statement.keywords["exec"]