"{ Package: 'stx:goodies/petitparser/compiler' }"

PPCDelegateNode subclass:#PPCTokenNode

	instanceVariableNames:'tokenClass'

	classVariableNames:''

	poolDictionaries:''

	category:'PetitCompiler-Nodes'

!

PPCTokenNode comment:''

!

!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

! !