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//lib64/python3.12/lib2to3/pygram.py

# Copyright 2006 Google, Inc. All Rights Reserved.
# Licensed to PSF under a Contributor Agreement.

"""Export the Python grammar and symbols."""

# Python imports
import os

# Local imports
from .pgen2 import token
from .pgen2 import driver
from . import pytree

# The grammar file
_GRAMMAR_FILE = os.path.join(os.path.dirname(__file__), "Grammar.txt")
_PATTERN_GRAMMAR_FILE = os.path.join(os.path.dirname(__file__),
                                     "PatternGrammar.txt")


class Symbols(object):

    def __init__(self, grammar):
        """Initializer.

        Creates an attribute for each grammar symbol (nonterminal),
        whose value is the symbol's type (an int >= 256).
        """
        for name, symbol in grammar.symbol2number.items():
            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"]

python_grammar_no_print_and_exec_statement = python_grammar_no_print_statement.copy()
del python_grammar_no_print_and_exec_statement.keywords["exec"]

pattern_grammar = driver.load_packaged_grammar("lib2to3", _PATTERN_GRAMMAR_FILE)
pattern_symbols = Symbols(pattern_grammar)

Name	Size	Perms	Modified	Actions
fixes DIR	-	drwxr-xr-x	2026-01-08 23:02:23	Edit Download recursive recursive
pgen2 DIR	-	drwxr-xr-x	2026-01-08 23:02:23	Edit Download recursive recursive
__pycache__ DIR	-	drwxr-xr-x	2026-01-08 23:02:23	Edit Download recursive recursive
btm_matcher.py	6.47 KB	lrw-r--r--	2025-10-09 11:07:00	Edit Download recursive recursive
btm_utils.py	9.71 KB	lrw-r--r--	2025-10-09 11:07:00	Edit Download recursive recursive
fixer_base.py	6.53 KB	lrw-r--r--	2025-10-09 11:07:00	Edit Download recursive recursive
fixer_util.py	14.85 KB	lrw-r--r--	2025-10-09 11:07:00	Edit Download recursive recursive
Grammar.txt	8.49 KB	lrw-r--r--	2025-10-09 11:07:00	Edit Download recursive recursive
Grammar3.12.12.final.0.pickle	14.95 KB	lrw-r--r--	2026-01-06 20:14:55	Edit Download recursive recursive
main.py	11.58 KB	lrw-r--r--	2025-10-09 11:07:00	Edit Download recursive recursive
patcomp.py	6.89 KB	lrw-r--r--	2025-10-09 11:07:00	Edit Download recursive recursive
PatternGrammar.txt	793 B	lrw-r--r--	2025-10-09 11:07:00	Edit Download recursive recursive
PatternGrammar3.12.12.final.0.pickle	1.20 KB	lrw-r--r--	2026-01-06 20:14:55	Edit Download recursive recursive
pygram.py	1.27 KB	lrw-r--r--	2025-10-09 11:07:00	Edit Download recursive recursive
pytree.py	27.32 KB	lrw-r--r--	2025-10-09 11:07:00	Edit Download recursive recursive
refactor.py	26.86 KB	lrw-r--r--	2025-10-09 11:07:00	Edit Download recursive recursive
__init__.py	156 B	lrw-r--r--	2025-10-09 11:07:00	Edit Download recursive recursive
__main__.py	67 B	lrw-r--r--	2025-10-09 11:07:00	Edit Download recursive recursive

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