compiler/PPCSentinelNode.st
author Jan Vrany <jan.vrany@fit.cvut.cz>
Thu, 18 Jun 2015 21:20:15 +0100
changeset 496 0433a9d7fbcd
parent 452 9f4558b3be66
permissions -rw-r--r--
Reverted fc3dbe5654c5: sending #copy should be OK (copy set's parent properly)

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

"{ NameSpace: Smalltalk }"

PPCNilNode subclass:#PPCSentinelNode
	instanceVariableNames:''
	classVariableNames:''
	poolDictionaries:''
	category:'PetitCompiler-Nodes'
!

PPCSentinelNode class instanceVariableNames:'Instance'

"
 No other class instance variables are inherited by this class.
"
!

!PPCSentinelNode class methodsFor:'as yet unclassified'!

instance
    ^ Instance ifNil: [ Instance := self basicNew ]
! !