PPLiteralObjectParser.st
author Jan Vrany <jan.vrany@fit.cvut.cz>
Mon, 24 Aug 2015 15:34:14 +0100
changeset 524 f6f68d32de73
parent 459 4751c407bb40
permissions -rw-r--r--
Merged in PetitCompiler-JanVrany.170, PetitCompiler-Tests-JanKurs.116, PetitCompiler-Extras-Tests-JanKurs.29, PetitCompiler-Benchmarks-JanKurs.19 Name: PetitCompiler-JanVrany.170 Author: JanVrany Time: 24-08-2015, 03:19:51.340 PM UUID: c20a744f-3b41-4aaa-bb8a-71ce74a2a952 Name: PetitCompiler-Tests-JanKurs.116 Author: JanKurs Time: 24-08-2015, 11:37:54.332 AM UUID: 549e0927-358a-4a1b-8270-050ccfcb4217 Name: PetitCompiler-Extras-Tests-JanKurs.29 Author: JanKurs Time: 24-08-2015, 11:36:52.503 AM UUID: ea1dbb67-f884-4237-8f34-adb0677c0954 Name: PetitCompiler-Benchmarks-JanKurs.19 Author: JanKurs Time: 24-08-2015, 11:48:47.045 AM UUID: 1c342fdb-8ddd-4104-9c47-a8f589c51694

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

"{ NameSpace: Smalltalk }"

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



!PPLiteralObjectParser methodsFor:'operators'!

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

negate
	^ (PPPredicateObjectParser expect: literal message: message) negate
! !

!PPLiteralObjectParser methodsFor:'parsing'!

parseOn: aPPContext
	^ (aPPContext stream atEnd not and: [ literal = aPPContext stream uncheckedPeek ])
		ifFalse: [ PPFailure message: message context: aPPContext ]
		ifTrue: [ aPPContext stream next ]
! !

!PPLiteralObjectParser class methodsFor:'documentation'!

version
    ^ '$Header: /cvs/stx/stx/goodies/petitparser/PPLiteralObjectParser.st,v 1.4 2014-03-04 14:33:00 cg Exp $'
!

version_CVS
    ^ '$Header: /cvs/stx/stx/goodies/petitparser/PPLiteralObjectParser.st,v 1.4 2014-03-04 14:33:00 cg Exp $'
!

version_HG

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

version_SVN
    ^ '$Id: PPLiteralObjectParser.st,v 1.4 2014-03-04 14:33:00 cg Exp $'
! !