Updated to PetitCompiler-JanVrany.135, PetitCompiler-Tests-JanKurs.93, PetitCompiler-Extras-Tests-JanVrany.16, PetitCompiler-Benchmarks-JanKurs.12
Name: PetitCompiler-JanVrany.135
Author: JanVrany
Time: 22-07-2015, 06:53:29.127 PM
UUID: 890178b5-275d-46af-a2ad-1738998f07cb
Ancestors: PetitCompiler-JanVrany.134
Name: PetitCompiler-Tests-JanKurs.93
Author: JanKurs
Time: 20-07-2015, 11:30:10.283 PM
UUID: 6473e671-ad70-42ca-b6c3-654b78edc531
Ancestors: PetitCompiler-Tests-JanKurs.92
Name: PetitCompiler-Extras-Tests-JanVrany.16
Author: JanVrany
Time: 22-07-2015, 05:18:22.387 PM
UUID: 8f6f9129-dbba-49b1-9402-038470742f98
Ancestors: PetitCompiler-Extras-Tests-JanKurs.15
Name: PetitCompiler-Benchmarks-JanKurs.12
Author: JanKurs
Time: 06-07-2015, 02:10:06.901 PM
UUID: cb24f1ac-46a4-494d-9780-64576f0f0dba
Ancestors: PetitCompiler-Benchmarks-JanKurs.11, PetitCompiler-Benchmarks-JanVrany.e29bd90f388e.20150619081300
"{ Package: 'stx:goodies/petitparser' }"
PPDelegateParser subclass:#PPMemoizedParser
instanceVariableNames:'buffer context hash'
classVariableNames:''
poolDictionaries:''
category:'PetitParser-Parsers'
!
!PPMemoizedParser methodsFor:'operations'!
memoized
"Ther is no point in memoizing more than once."
^ self
! !
!PPMemoizedParser methodsFor:'parsing'!
parseOn: aPPContext
| memento contextMemento aStream |
"TODO: JK memoizing needs review!!"
contextMemento := aPPContext remember.
(hash == aPPContext hash)
ifFalse: [ self reset: aPPContext ].
memento := (buffer at: contextMemento ifAbsentPut: [ PPMemento new ]).
memento contextMemento isNil
ifTrue: [
aStream := aPPContext stream.
memento result: (aStream size - aStream position + 2 < memento count
ifTrue: [ PPFailure message: 'overflow' context: aPPContext ]
ifFalse: [ memento increment. parser parseOn: aPPContext ]).
memento contextMemento: aPPContext remember ]
ifFalse: [ context restore: memento contextMemento ].
^ memento result.
!
reset: aPPContext
hash := aPPContext hash.
context := aPPContext.
buffer := Dictionary new.
! !
!PPMemoizedParser class methodsFor:'documentation'!
version
^ '$Header: /cvs/stx/stx/goodies/petitparser/PPMemoizedParser.st,v 1.3 2012-05-04 21:58:48 vrany Exp $'
!
version_CVS
^ '$Header: /cvs/stx/stx/goodies/petitparser/PPMemoizedParser.st,v 1.3 2012-05-04 21:58:48 vrany Exp $'
!
version_SVN
^ '§Id: PPMemoizedParser.st 2 2010-12-17 18:44:23Z vranyj1 §'
! !