Merged JK's work on PetitCompiler
Name: PetitCompiler-JanKurs.57
Author: JanKurs
Time: 05-11-2014, 05:10:47 AM
UUID: 4c625efe-77fd-465d-bd63-72ead0b5d3ba
Name: PetitCompiler-Tests-JanVrany.13
Author: JanVrany
Time: 05-11-2014, 09:31:07 AM
UUID: 189ae287-6bc1-40ba-8458-b8392c4260a0
"{ 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.
!
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 addVariable: 'start'.
compiler addVariable: 'end'.
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 stopMethod.
!
prefix
^ #token
! !