compiler/PPCNilNode.st
author Jan Vrany <jan.vrany@fit.cvut.cz>
Fri, 24 Jul 2015 15:06:54 +0100
changeset 502 1e45d3c96ec5
parent 452 9f4558b3be66
child 515 b5316ef15274
permissions -rw-r--r--
Updated to PetitCompiler-JanVrany.135, PetitCompiler-Tests-JanKurs.93, PetitCompiler-Extras-Tests-JanVrany.16, PetitCompiler-Benchmarks-JanKurs.12 Name: PetitCompiler-JanVrany.135 Author: JanVrany Time: 22-07-2015, 06:53:29.127 PM UUID: 890178b5-275d-46af-a2ad-1738998f07cb Ancestors: PetitCompiler-JanVrany.134 Name: PetitCompiler-Tests-JanKurs.93 Author: JanKurs Time: 20-07-2015, 11:30:10.283 PM UUID: 6473e671-ad70-42ca-b6c3-654b78edc531 Ancestors: PetitCompiler-Tests-JanKurs.92 Name: PetitCompiler-Extras-Tests-JanVrany.16 Author: JanVrany Time: 22-07-2015, 05:18:22.387 PM UUID: 8f6f9129-dbba-49b1-9402-038470742f98 Ancestors: PetitCompiler-Extras-Tests-JanKurs.15 Name: PetitCompiler-Benchmarks-JanKurs.12 Author: JanKurs Time: 06-07-2015, 02:10:06.901 PM UUID: cb24f1ac-46a4-494d-9780-64576f0f0dba Ancestors: PetitCompiler-Benchmarks-JanKurs.11, PetitCompiler-Benchmarks-JanVrany.e29bd90f388e.20150619081300

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

"{ NameSpace: Smalltalk }"

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


!PPCNilNode methodsFor:'accessing'!

prefix
    ^ #nil
! !

!PPCNilNode methodsFor:'analysis'!

acceptsEpsilon
    ^ true
!

firstCharSet
    ^ PPCharSetPredicate on: [:e | false ] 
!

isNullable
    ^ true
! !

!PPCNilNode methodsFor:'visiting'!

accept: visitor
    ^ visitor visitNilNode: self
! !

!PPCNilNode class methodsFor:'documentation'!

version_HG

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