PPOptionalParser.st
author Jan Vrany <jan.vrany@fit.cvut.cz>
Mon, 13 Apr 2015 22:00:44 +0100
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Merged JK's version from Monticello Name: PetitParser-JanKurs.275 Author: JanKurs Time: 31-03-2015, 05:51:24.398 PM UUID: 9ab3be24-8393-4794-a7e6-e318f3195673 Name: PetitTests-JanKurs.73 Author: JanKurs Time: 21-02-2015, 01:10:13.115 PM UUID: de4f77e3-2d07-476b-855e-69f845edfc7c
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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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