Fixed PEGFsaTransition>>disjunction: - xor: does not take blocks
as xor is not subject to lazy evaluation. While in Pharo it worked, it does not work
well under Smalltalk/X which does not send value to the passed argument.
(partially because xor: is inlined by the stc/JIT compiler)
"{ Package: 'stx:goodies/petitparser' }"
"{ NameSpace: Smalltalk }"
PPParser subclass:#PPStartOfWordParser
instanceVariableNames:''
classVariableNames:''
poolDictionaries:''
category:'PetitParser-Parsers'
!
!PPStartOfWordParser methodsFor:'as yet unclassified'!
acceptsEpsilon
^ true
!
parseOn: aPPContext
aPPContext atEnd ifTrue: [
^ PPFailure message: 'Start of word expected' context: aPPContext at: aPPContext position
].
(aPPContext position == 0) ifTrue: [
(aPPContext peek isAlphaNumeric) ifTrue: [
^ #startOfWord
] ifFalse: [
^ PPFailure message: 'Start of word expected' context: aPPContext at: aPPContext position
]
].
aPPContext back.
aPPContext peek isAlphaNumeric ifTrue: [
^ PPFailure message: 'Start of word expected' context: aPPContext at: aPPContext position
].
aPPContext next.
^ aPPContext peek isAlphaNumeric ifTrue: [ #startOfWord ] ifFalse: [
PPFailure message: 'Start of word expected' context: aPPContext at: aPPContext position
]
! !