Use #deepCopy instead of #copy when copying RB parse tree
...because #copy make a copy if child nodes but does not set their parents properly.
Therefore node replacing does not work because it replaces it in wrong tree (original,
not the copy).
"{ Package: 'stx:goodies/petitparser' }"
"{ NameSpace: Smalltalk }"
PPParser subclass:#PPEndOfFileParser
instanceVariableNames:''
classVariableNames:''
poolDictionaries:''
category:'PetitParser-Parsers'
!
!PPEndOfFileParser methodsFor:'as yet unclassified'!
acceptsEpsilon
^ true
!
exampleOn: aStream
aStream nextPutAll: #'end-of-input'
!
isNullable
^ true
!
nonEmpty
"I know I am empty, but it does not count in my case, I represent virtual non-existent character"
^ self
!
parseOn: aPPContext
(aPPContext atEnd) ifFalse:
[
^ PPFailure message: 'end of input expected' context: aPPContext.
].
^ #'end-of-input'
! !