Do not use RBProgramNode>>variableNodesDo: as this method is not present in Pharo.
Use local helper method instead.
"{ Package: 'stx:goodies/petitparser/compiler' }"
"{ NameSpace: Smalltalk }"
PPCSequenceNode subclass:#PPCRecognizingSequenceNode
instanceVariableNames:''
classVariableNames:''
poolDictionaries:''
category:'PetitCompiler-Nodes'
!
!PPCRecognizingSequenceNode methodsFor:'accessing'!
suffix
^ super suffix, '_fast'
! !
!PPCRecognizingSequenceNode methodsFor:'visiting'!
accept: visitor
^ visitor visitRecognizingSequenceNode: self
! !