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| author | rahulp13 | 2020-03-17 14:55:41 +0530 |
|---|---|---|
| committer | rahulp13 | 2020-03-17 14:55:41 +0530 |
| commit | 296443137f4288cb030e92859ccfbe3204bc1088 (patch) | |
| tree | ca4798c2da1e7244edc3bc108d81b462b537aea2 /lib/python2.7/lib2to3/PatternGrammar.txt | |
| parent | 0db48f6533517ecebfd9f0693f89deca28408b76 (diff) | |
| download | KiCad-eSim-296443137f4288cb030e92859ccfbe3204bc1088.tar.gz KiCad-eSim-296443137f4288cb030e92859ccfbe3204bc1088.tar.bz2 KiCad-eSim-296443137f4288cb030e92859ccfbe3204bc1088.zip | |
initial commit
Diffstat (limited to 'lib/python2.7/lib2to3/PatternGrammar.txt')
| -rw-r--r-- | lib/python2.7/lib2to3/PatternGrammar.txt | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/lib/python2.7/lib2to3/PatternGrammar.txt b/lib/python2.7/lib2to3/PatternGrammar.txt new file mode 100644 index 0000000..36bf814 --- /dev/null +++ b/lib/python2.7/lib2to3/PatternGrammar.txt @@ -0,0 +1,28 @@ +# 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 '>' |