PPOptionalParser.st
author Jan Vrany <jan.vrany@fit.cvut.cz>
Thu, 21 May 2015 14:12:22 +0100
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Updated to PetitCompiler-JanKurs.118, PetitCompiler-Tests-JanKurs.46, PetitCompiler-Extras-Tests-JanKurs.11, and PetitCompiler-Benchmarks-JanKurs.11 Name: PetitCompiler-JanKurs.118 Author: JanKurs Time: 13-05-2015, 03:59:01.292 PM UUID: 4a8ccd94-3131-4cc7-9098-528f8e5ea0b5 Name: PetitCompiler-Tests-JanKurs.46 Author: JanKurs Time: 04-05-2015, 04:25:06.162 PM UUID: 9f4cf8b7-876e-4a13-9579-b833f016db66 Name: PetitCompiler-Extras-Tests-JanKurs.11 Author: JanKurs Time: 13-05-2015, 04:27:27.940 PM UUID: e9f30c31-fbd0-4e96-ad2a-868f88d20ea8 Name: PetitCompiler-Benchmarks-JanKurs.11 Author: JanKurs Time: 13-05-2015, 02:21:49.932 PM UUID: 6a23fd1e-a86f-46db-8221-cc41b778d32c
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"{ Package: 'stx:goodies/petitparser' }"
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PPDelegateParser subclass:#PPOptionalParser
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	instanceVariableNames:''
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	classVariableNames:''
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	poolDictionaries:''
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	category:'PetitParser-Parsers'
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!
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!PPOptionalParser methodsFor:'parsing'!
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parseOn: aPPContext
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	| element |
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	element := parser parseOn: aPPContext.
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	^ element isPetitFailure ifFalse: [ element ]
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! !
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!PPOptionalParser class methodsFor:'documentation'!
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version_SVN
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    ^ '$Id: PPOptionalParser.st,v 1.4 2014-03-04 14:33:10 cg Exp $'
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! !
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