author | Jan Vrany <jan.vrany@fit.cvut.cz> |
Tue, 26 May 2015 07:27:15 +0100 | |
changeset 473 | 90eb2d1f7bed |
parent 452 | 9f4558b3be66 |
child 515 | b5316ef15274 |
permissions | -rw-r--r-- |
"{ Package: 'stx:goodies/petitparser/compiler' }" "{ NameSpace: Smalltalk }" PPCDelegateNode subclass:#PPCOptionalNode instanceVariableNames:'' classVariableNames:'' poolDictionaries:'' category:'PetitCompiler-Nodes' ! !PPCOptionalNode methodsFor:'accessing'! prefix ^ #opt ! ! !PPCOptionalNode methodsFor:'analysis'! acceptsEpsilon ^ true ! acceptsEpsilonOpenSet: set ^ true ! isNullable ^ true ! ! !PPCOptionalNode methodsFor:'visiting'! accept: visitor ^ visitor visitOptionalNode: self ! !