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Filename : PatternGrammar.txt

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

# A grammar to describe tree matching patterns.
# Not shown here:
# - 'TOKEN' stands for any token (leaf node)
# - 'any' stands for any node (leaf or interior)
# With 'any' we can still specify the sub-structure.

# The start symbol is 'Matcher'.

Matcher: Alternatives ENDMARKER

Alternatives: Alternative ('|' Alternative)*

Alternative: (Unit | NegatedUnit)+

Unit: [NAME '='] ( STRING [Repeater]
                 | NAME [Details] [Repeater]
                 | '(' Alternatives ')' [Repeater]
                 | '[' Alternatives ']'
		 )

NegatedUnit: 'not' (STRING | NAME [Details] | '(' Alternatives ')')

Repeater: '*' | '+' | '{' NUMBER [',' NUMBER] '}'

Details: '<' Alternatives '>'

Name	Size	Last Modified	Owner	Permissions
__pycache__	Dir	December 28 2023 9:18:23	root	0755
fixes	Dir	December 28 2023 9:19:49	root	0755
pgen2	Dir	December 28 2023 9:19:58	root	0755
tests	Dir	December 28 2023 9:20:02	root	0755
Grammar.txt	7.042 KB	December 28 2023 9:16:02	root	0755
Grammar3.5.4.final.0.pickle	30.979 KB	December 28 2023 9:16:02	root	0755
PatternGrammar.txt	0.774 KB	December 28 2023 9:16:03	root	0755
PatternGrammar3.5.4.final.0.pickle	2.044 KB	December 28 2023 9:16:01	root	0755
__init__.py	0.007 KB	December 28 2023 9:16:02	root	0755
__main__.py	0.065 KB	December 28 2023 9:16:02	root	0755
btm_matcher.py	6.673 KB	December 28 2023 9:16:01	root	0755
btm_utils.py	9.732 KB	December 28 2023 9:16:01	root	0755
fixer_base.py	6.533 KB	December 28 2023 9:16:01	root	0755
fixer_util.py	14.88 KB	December 28 2023 9:16:01	root	0755
main.py	11.365 KB	December 28 2023 9:16:02	root	0755
patcomp.py	6.904 KB	December 28 2023 9:16:03	root	0755
pygram.py	1.088 KB	December 28 2023 9:16:01	root	0755
pytree.py	27.395 KB	December 28 2023 9:16:01	root	0755
refactor.py	27.377 KB	December 28 2023 9:16:02	root	0755

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