PPPossessiveRepeatingParser.st
author Jan Vrany <jan.vrany@fit.cvut.cz>
Thu, 21 May 2015 15:35:26 +0100
changeset 467 dd13296df294
parent 377 6112a403a52d
permissions -rw-r--r--
Fixed code generation for deterministic choice w.r.t inlining For PPCDeterministicChoiceNode generate code in form if () else if () else if () else error instead of sequence of ifs. The former is safe w.r.t inlining.
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"{ Package: 'stx:goodies/petitparser' }"
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PPRepeatingParser subclass:#PPPossessiveRepeatingParser
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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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!PPPossessiveRepeatingParser methodsFor:'parsing'!
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parseOn: aPPContext
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	| memento element elements |
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	memento := aPPContext remember.
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	elements := OrderedCollection new.
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	[ elements size < min ] whileTrue: [
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		(element := parser parseOn: aPPContext) isPetitFailure ifTrue: [
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			aPPContext restore: memento.
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			^ element ].
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		elements addLast: element ].
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	[ elements size < max ] whileTrue: [
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	 	(element := parser parseOn: aPPContext) isPetitFailure
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			ifTrue: [ ^ elements asArray ].
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		elements addLast: element ].
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	^ elements asArray
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! !
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!PPPossessiveRepeatingParser class methodsFor:'documentation'!
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version
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    ^ '$Header: /cvs/stx/stx/goodies/petitparser/PPPossessiveRepeatingParser.st,v 1.1 2014-03-04 14:33:19 cg Exp $'
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!
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version_CVS
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    ^ '$Header: /cvs/stx/stx/goodies/petitparser/PPPossessiveRepeatingParser.st,v 1.1 2014-03-04 14:33:19 cg Exp $'
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! !
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