symbian-qemu-0.9.1-12/python-2.6.1/Lib/lib2to3/PatternGrammar.txt
author Gareth Stockwell <gareth.stockwell@accenture.com>
Wed, 22 Sep 2010 15:40:40 +0100
branchgraphics-phase-3
changeset 111 345f1c88c950
parent 1 2fb8b9db1c86
permissions -rw-r--r--
Fixes to syborg-graphicswrapper.vcproj These changes allow syborg-graphicswrapper to link against the hostthreadadapter and khronosapiwrapper libraries built by the graphics.simulator component. The .vcproj file uses relative paths, which requires that the following three packages are laid out as follows: os/ graphics adapt/ graphics.simulator qemu
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# Copyright 2006 Google, Inc. All Rights Reserved.
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# Licensed to PSF under a Contributor Agreement.
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# A grammar to describe tree matching patterns.
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# Not shown here:
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# - 'TOKEN' stands for any token (leaf node)
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# - 'any' stands for any node (leaf or interior)
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# With 'any' we can still specify the sub-structure.
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# The start symbol is 'Matcher'.
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Matcher: Alternatives ENDMARKER
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Alternatives: Alternative ('|' Alternative)*
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Alternative: (Unit | NegatedUnit)+
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Unit: [NAME '='] ( STRING [Repeater]
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                 | NAME [Details] [Repeater]
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                 | '(' Alternatives ')' [Repeater]
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                 | '[' Alternatives ']'
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		 )
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NegatedUnit: 'not' (STRING | NAME [Details] | '(' Alternatives ')')
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Repeater: '*' | '+' | '{' NUMBER [',' NUMBER] '}'
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Details: '<' Alternatives '>'