PPLimitedRepeatingParser.st
author Jan Vrany <jan.vrany@fit.cvut.cz>
Sun, 26 Oct 2014 01:03:31 +0000
changeset 391 553a5456963b
parent 377 6112a403a52d
permissions -rw-r--r--
Ported PetitCompiler-(Tests). Name: PetitCompiler-JanKurs.41 Author: JanKurs Time: 25-10-2014, 03:30:28 AM UUID: 105186d1-1187-4ca6-8d66-3d2d47def4d3 Repository: http://smalltalkhub.com/mc/JanKurs/PetitParser/main Name: PetitCompiler-Tests-JanKurs.4 Author: JanKurs Time: 25-10-2014, 03:30:58 AM UUID: 3e798fad-d5f6-4881-a583-f0bbffe27869 Repository: http://smalltalkhub.com/mc/JanKurs/PetitParser/main In addition, fixed some problems to make it compilable under Smalltalk/X: * Fixed PPCTokenNode>>initialize - there's no children instvar, it's initialization removed. * Fixed PPCContextMemento>>propertyAt:ifAbsent: - removed return-in-return, not compilable under Smalltalk/X (C issues) * Fixed PPCContextMemento>>hash - there's no stream instvar, access to it removed. * Fixed PPCAbstractCharacterNode>>compileWith:effect:id: - removed dot after method selector (stc does not like it)

"{ Package: 'stx:goodies/petitparser' }"

PPRepeatingParser subclass:#PPLimitedRepeatingParser
	instanceVariableNames:'limit'
	classVariableNames:''
	poolDictionaries:''
	category:'PetitParser-Parsers'
!


!PPLimitedRepeatingParser class methodsFor:'instance creation'!

on: aParser limit: aLimitParser
	^ (self on: aParser) setLimit: aLimitParser
! !


!PPLimitedRepeatingParser methodsFor:'accessing'!

children
	^ Array with: parser with: limit
!

limit
	"Answer the parser that limits (or ends) this repetition."
	
	^ limit
! !

!PPLimitedRepeatingParser methodsFor:'initialization'!

setLimit: aParser
	limit := aParser
! !

!PPLimitedRepeatingParser methodsFor:'parsing'!

matchesLimitOn: aPPContext
	| element position |
	position := aPPContext remember.
	element := limit parseOn: aPPContext.
	aPPContext restore: position.
	^ element isPetitFailure not
! !

!PPLimitedRepeatingParser class methodsFor:'documentation'!

version
    ^ '$Header: /cvs/stx/stx/goodies/petitparser/PPLimitedRepeatingParser.st,v 1.1 2014-03-04 14:32:55 cg Exp $'
!

version_CVS
    ^ '$Header: /cvs/stx/stx/goodies/petitparser/PPLimitedRepeatingParser.st,v 1.1 2014-03-04 14:32:55 cg Exp $'
! !