"{ Package: 'stx:goodies/petitparser/compiler' }"
"{ NameSpace: Smalltalk }"
PPCNode subclass:#PPCAbstractPredicateNode
instanceVariableNames:'predicate'
classVariableNames:''
poolDictionaries:''
category:'PetitCompiler-Nodes'
!
!PPCAbstractPredicateNode methodsFor:'accessing'!
predicate
^ predicate
!
predicate: anObject
predicate := anObject
!
prefix
^ #predicate
! !
!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
! !