Use #deepCopy instead of #copy when copying RB parse tree
...because #copy make a copy if child nodes but does not set their parents properly.
Therefore node replacing does not work because it replaces it in wrong tree (original,
not the copy).
"{ Package: 'stx:goodies/petitparser/compiler' }"
"{ NameSpace: Smalltalk }"
PPCStarNode subclass:#PPCStarMessagePredicateNode
instanceVariableNames:'message'
classVariableNames:''
poolDictionaries:''
category:'PetitCompiler-Nodes'
!
!PPCStarMessagePredicateNode methodsFor:'accessing'!
firstCharSet
^ PPCharSetPredicate on: [:char | char perform: message ]
!
message
^ message
!
message: anObject
message := anObject
!
prefix
^ #starPredicate
! !
!PPCStarMessagePredicateNode methodsFor:'comparing'!
= anotherNode
super = anotherNode ifFalse: [ ^ false ].
^ message = anotherNode message.
!
hash
^ super hash bitXor: message hash
! !
!PPCStarMessagePredicateNode methodsFor:'visiting'!
accept: visitor
^ visitor visitStarMessagePredicateNode: self
! !