PPPredicateParser.st
author Jan Vrany <jan.vrany@fit.cvut.cz>
Sat, 05 May 2012 00:00:32 +0200
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"{ Package: 'stx:goodies/petitparser' }"
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PPParser subclass:#PPPredicateParser
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	instanceVariableNames:'predicate predicateMessage negated negatedMessage'
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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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PPPredicateParser comment:'An abstract parser that accepts if a given predicate holds.
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Instance Variables:
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	predicate       <BlockClosure>  The block testing for the predicate.
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	predicateMessage        <String>        The error message of the predicate.
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	negated <BlockClosure>  The block testing for the negation of the predicate.
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	negatedMessage  <String>        The error message of the negated predicate.'
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!
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!PPPredicateParser methodsFor:'accessing'!
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block
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	"Answer the predicate block of the receiver."
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	^ predicate
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!
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message
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	"Answer the failure message."
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0
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	^ predicateMessage
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! !
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!PPPredicateParser methodsFor:'printing'!
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printNameOn: aStream
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	super printNameOn: aStream.
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	aStream nextPutAll: ', '; print: predicateMessage
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! !
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!PPPredicateParser class methodsFor:'documentation'!
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version_SVN
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    ^ '$Id: PPPredicateParser.st,v 1.2 2012-01-13 11:22:50 cg Exp $'
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! !