Merged in PetitCompiler-JanVrany.170, PetitCompiler-Tests-JanKurs.116, PetitCompiler-Extras-Tests-JanKurs.29, PetitCompiler-Benchmarks-JanKurs.19
Name: PetitCompiler-JanVrany.170
Author: JanVrany
Time: 24-08-2015, 03:19:51.340 PM
UUID: c20a744f-3b41-4aaa-bb8a-71ce74a2a952
Name: PetitCompiler-Tests-JanKurs.116
Author: JanKurs
Time: 24-08-2015, 11:37:54.332 AM
UUID: 549e0927-358a-4a1b-8270-050ccfcb4217
Name: PetitCompiler-Extras-Tests-JanKurs.29
Author: JanKurs
Time: 24-08-2015, 11:36:52.503 AM
UUID: ea1dbb67-f884-4237-8f34-adb0677c0954
Name: PetitCompiler-Benchmarks-JanKurs.19
Author: JanKurs
Time: 24-08-2015, 11:48:47.045 AM
UUID: 1c342fdb-8ddd-4104-9c47-a8f589c51694
"{ Package: 'stx:goodies/petitparser' }"
PPChoiceParser subclass:#PPLimitedChoiceParser
instanceVariableNames:'limit'
classVariableNames:''
poolDictionaries:''
category:'PetitParser-Parsers'
!
!PPLimitedChoiceParser methodsFor:'accessing'!
limit
^ limit
!
limit: anObject
limit := anObject
! !
!PPLimitedChoiceParser methodsFor:'as yet unclassified'!
// aRule
^ self copyWith: aRule
!
initialize
limit := nil asParser
!
parseOn: aPPContext
"This is optimized code that avoids unnecessary block activations, do not change. When all choices fail, the last failure is answered."
| element limitResult memento |
"self halt."
1 to: parsers size do: [ :index |
memento := aPPContext remember.
element := (parsers at: index)
parseOn: aPPContext.
(element isPetitFailure not) ifTrue: [
"check limit"
limitResult := limit parseOn: aPPContext.
limitResult isPetitFailure ifTrue: [
element := PPFailure message: 'limit failed' at: aPPContext position .
aPPContext restore: memento.
] ifFalse: [ ^ element ].
].
].
^ element
! !