Override #new in classes that implement #initialize.
Not all Smalltalks call #initialize automatically. Actually, mose of them does not.
"{ Package: 'stx:goodies/petitparser/compiler' }"
PPCDelegateNode subclass:#PPCTokenNode
instanceVariableNames:'tokenClass'
classVariableNames:''
poolDictionaries:''
category:'PetitCompiler-Nodes'
!
!PPCTokenNode class methodsFor:'instance creation'!
new
"return an initialized instance"
^ self basicNew initialize.
! !
!PPCTokenNode methodsFor:'accessing'!
initialize
super initialize.
"Modified: / 26-10-2014 / 01:34:11 / Jan Vrany <jan.vrany@fit.cvut.cz>"
!
rewrite: changeStatus
| |
super rewrite: changeStatus.
(self allNodes anySatisfy: [ :node | node asFast ~= node ]) ifTrue: [
changeStatus change.
self replace: child with: (child transform: [:node | node asFast]).
]
!
tokenClass
^ tokenClass
!
tokenClass: anObject
tokenClass := anObject
! !
!PPCTokenNode methodsFor:'as yet unclassified'!
compileWith: compiler effect: effect id: id
| |
compiler startMethod: id.
compiler startTokenMode.
compiler addVariable: 'start'.
compiler addVariable: 'end'.
"
(compiler guards and: [ (guardSet := compiler guardCharSet: self) isNil not ]) ifTrue: [
guardSetId := (compiler idFor: guardSet prefixed: #guard).
compiler addConstant: guardSet as: guardSetId.
compiler add: 'context atEnd ifTrue: [ ^ self error ].'.
compiler add: '(', guardSetId, ' value: context peek) ifFalse: [ ^ self error ].'.
].
"
compiler add: 'start := context position + 1.'.
compiler call: (self child compileWith: compiler).
compiler add: 'error ifTrue: [ ^ self ].'.
compiler add: 'end := context position.'.
compiler add: '^ ', tokenClass asString, ' on: (context collection)
start: start
stop: end
value: nil'.
compiler stopTokenMode.
^ compiler stopMethod.
!
prefix
^ #token
! !