Merged JK's version from Monticello
Name: PetitParser-JanKurs.275
Author: JanKurs
Time: 31-03-2015, 05:51:24.398 PM
UUID: 9ab3be24-8393-4794-a7e6-e318f3195673
Name: PetitTests-JanKurs.73
Author: JanKurs
Time: 21-02-2015, 01:10:13.115 PM
UUID: de4f77e3-2d07-476b-855e-69f845edfc7c
"{ 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
]
! !