PPLiteralSequenceParser.st
author Jan Vrany <jan.vrany@fit.cvut.cz>
Sun, 26 Oct 2014 01:03:31 +0000
changeset 391 553a5456963b
parent 382 1825151d6455
child 642 77d5fddb6462
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' }"

PPLiteralParser subclass:#PPLiteralSequenceParser
	instanceVariableNames:'size'
	classVariableNames:''
	poolDictionaries:''
	category:'PetitParser-Parsers'
!


!PPLiteralSequenceParser methodsFor:'accessing'!

size
	"Answer the sequence size of the receiver."

	^ size
! !

!PPLiteralSequenceParser methodsFor:'initialization'!

initializeOn: anObject message: aString
	super initializeOn: anObject message: aString.
	size := literal size
! !

!PPLiteralSequenceParser methodsFor:'operators'!

caseInsensitive
	"Answer a parser that can parse the receiver case-insensitive."
	
	literal asUppercase = literal asLowercase ifTrue: [ ^ self ].
	^ PPPredicateSequenceParser on: [ :value | literal sameAs: value ] message: message size: size
! !

!PPLiteralSequenceParser methodsFor:'parsing'!

parseOn: aPPContext
	| memento result |
	memento := aPPContext remember.
	result := aPPContext next: size.
	literal = result ifTrue: [ ^ result ].
	aPPContext restore: memento.
	^ PPFailure message: message context: aPPContext
! !

!PPLiteralSequenceParser class methodsFor:'documentation'!

version
    ^ '$Header: /cvs/stx/stx/goodies/petitparser/PPLiteralSequenceParser.st,v 1.3 2012-05-04 21:58:27 vrany Exp $'
!

version_CVS
    ^ '$Header: /cvs/stx/stx/goodies/petitparser/PPLiteralSequenceParser.st,v 1.3 2012-05-04 21:58:27 vrany Exp $'
!

version_HG

    ^ '$Changeset: <not expanded> $'
!

version_SVN
    ^ '§Id: PPLiteralSequenceParser.st 2 2010-12-17 18:44:23Z vranyj1 §'
! !