compiler/PPCAbstractPredicateNode.st
author Jan Vrany <jan.vrany@fit.cvut.cz>
Mon, 17 Aug 2015 12:13:16 +0100
changeset 515 b5316ef15274
parent 452 9f4558b3be66
permissions -rw-r--r--
Updated to PetitCompiler-JanKurs.160, PetitCompiler-Tests-JanKurs.112, PetitCompiler-Extras-Tests-JanKurs.25, PetitCompiler-Benchmarks-JanKurs.17 Name: PetitCompiler-JanKurs.160 Author: JanKurs Time: 17-08-2015, 09:52:26.291 AM UUID: 3b4bfc98-8098-4951-af83-a59e2585b121 Name: PetitCompiler-Tests-JanKurs.112 Author: JanKurs Time: 16-08-2015, 05:00:32.936 PM UUID: 85613d47-08f3-406f-9823-9cdab451e805 Name: PetitCompiler-Extras-Tests-JanKurs.25 Author: JanKurs Time: 16-08-2015, 05:00:10.328 PM UUID: 09731810-51a1-4151-8d3a-56b636fbd1f7 Name: PetitCompiler-Benchmarks-JanKurs.17 Author: JanKurs Time: 05-08-2015, 05:29:32.407 PM UUID: e544b5f1-bcf8-470b-93a6-d2363e4dfc8a

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

"{ NameSpace: Smalltalk }"

PPCNode subclass:#PPCAbstractPredicateNode
	instanceVariableNames:'predicate'
	classVariableNames:''
	poolDictionaries:''
	category:'PetitCompiler-Nodes'
!


!PPCAbstractPredicateNode methodsFor:'accessing'!

defaultName
    ^ #predicate
!

predicate
    
    ^ predicate
!

predicate: anObject
    
    predicate := anObject
! !

!PPCAbstractPredicateNode methodsFor:'analysis'!

acceptsEpsilon
    ^ false
!

firstCharSet
    ^ PPCharSetPredicate on: predicate
! !

!PPCAbstractPredicateNode methodsFor:'comparing'!

= anotherNode
    super = anotherNode ifFalse: [ ^ false ].
    ^ predicate = anotherNode predicate.
!

hash
    ^ super hash bitXor: predicate hash
!

recognizedSentencesPrim
    | retval |

    retval := OrderedCollection new.
    "TODO JK: Works only for ASCII :("
    1 to: 255 do: [ :i |
        (predicate value: (Character codePoint: i)) ifTrue: [ 
            retval add: (Character codePoint: i) asString 
        ]
    ].
    ^ retval
! !

!PPCAbstractPredicateNode methodsFor:'compiling'!

extendClassification: classification
    ^ (classification asOrderedCollection addLast: false; yourself) asArray
! !

!PPCAbstractPredicateNode class methodsFor:'documentation'!

version_HG

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