compiler/PPCDelegateNode.st
author Jan Vrany <jan.vrany@fit.cvut.cz>
Thu, 30 Apr 2015 23:43:14 +0200
changeset 438 20598d7ce9fa
parent 422 116d2b2af905
child 452 9f4558b3be66
permissions -rw-r--r--
Updated to PetitCompiler-JanKurs.100, PetitCompiler-Tests-JanKurs.44 and PetitCompiler-Benchmarks-JanKurs.4 Name: PetitCompiler-JanKurs.100 Author: JanKurs Time: 30-04-2015, 10:48:52.165 AM UUID: 80196870-5921-46d9-ac20-a43bf5c2f3c2 Name: PetitCompiler-Tests-JanKurs.44 Author: JanKurs Time: 30-04-2015, 10:49:22.489 AM UUID: 348c02e8-18ce-48f6-885d-fcff4516a298 Name: PetitCompiler-Benchmarks-JanKurs.4 Author: JanKurs Time: 30-04-2015, 10:58:44.890 AM UUID: 18cadb42-f9ef-45fb-82e9-8469ade56c8b

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

"{ NameSpace: Smalltalk }"

PPCNode subclass:#PPCDelegateNode
	instanceVariableNames:'child'
	classVariableNames:''
	poolDictionaries:''
	category:'PetitCompiler-Nodes'
!


!PPCDelegateNode methodsFor:'accessing'!

child
	^ child
!

child: whatever
	child := whatever 
!

children
	^ { child }
! !

!PPCDelegateNode methodsFor:'analysis'!

acceptsEpsilon
	^ child acceptsEpsilonOpenSet: (IdentitySet with: self).
!

acceptsEpsilonOpenSet: set
	(set includes: child) ifFalse: [ 
		set add: child.
		^ child acceptsEpsilonOpenSet: set 
	].
	^ false
! !

!PPCDelegateNode methodsFor:'transformation'!

replace: node with: anotherNode
	child == node ifTrue: [ child := anotherNode ]
! !

!PPCDelegateNode class methodsFor:'documentation'!

version_HG

    ^ '$Changeset: <not expanded> $'
! !