Portabiluty: use `Exception new signal: message` to throw exceptions
...instead of #signalWith: It seems that this is the only portable way
to throw exceptions (at least among Pharo and Smalltalk/X)
"{ Package: 'stx:goodies/petitparser/compiler' }"
"{ NameSpace: Smalltalk }"
PPCNode subclass:#PPCPluggableNode
instanceVariableNames:'block'
classVariableNames:''
poolDictionaries:''
category:'PetitCompiler-Nodes'
!
!PPCPluggableNode methodsFor:'accessing'!
block
^ block
!
block: anObject
block := anObject
!
defaultName
^ #plug
! !
!PPCPluggableNode methodsFor:'analysis'!
acceptsEpsilon
^ true
!
acceptsEpsilonOpenSet: set
^ true
!
firstCharSet
^ PPCharSetPredicate on: [:char | (block asParser parse: char asString) isPetitFailure not ]
! !
!PPCPluggableNode methodsFor:'comparing'!
= anotherNode
super = anotherNode ifFalse: [ ^ false ].
^ block = anotherNode block.
!
hash
^ super hash bitXor: block hash
! !
!PPCPluggableNode methodsFor:'visiting'!
accept: visitor
^ visitor visitPluggableNode: self
! !
!PPCPluggableNode class methodsFor:'documentation'!
version_HG
^ '$Changeset: <not expanded> $'
! !