X-Git-Url: https://git.madduck.net/etc/vim.git/blobdiff_plain/e74117f172e29e8a980e2c9de929ad50d3769150..fd9f529d8be54a40106043b8135b1f0533420f90:/blib2to3/pygram.py diff --git a/blib2to3/pygram.py b/blib2to3/pygram.py index 919624e..725fb69 100644 --- a/blib2to3/pygram.py +++ b/blib2to3/pygram.py @@ -29,12 +29,29 @@ class Symbols(object): setattr(self, name, symbol) -python_grammar = driver.load_packaged_grammar("lib2to3", _GRAMMAR_FILE) - -python_symbols = Symbols(python_grammar) - -python_grammar_no_print_statement = python_grammar.copy() -del python_grammar_no_print_statement.keywords["print"] - -pattern_grammar = driver.load_packaged_grammar("lib2to3", _PATTERN_GRAMMAR_FILE) -pattern_symbols = Symbols(pattern_grammar) +def initialize(cache_dir=None): + global python_grammar + global python_grammar_no_print_statement + global python_grammar_no_print_statement_no_exec_statement + global python_symbols + global pattern_grammar + global pattern_symbols + + # Python 2 + python_grammar = driver.load_packaged_grammar("blib2to3", _GRAMMAR_FILE, + cache_dir) + + 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 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"] + + pattern_grammar = driver.load_packaged_grammar("blib2to3", _PATTERN_GRAMMAR_FILE, + cache_dir) + pattern_symbols = Symbols(pattern_grammar)