PPPluggableParser.st
author Jan Vrany <jan.vrany@fit.cvut.cz>
Thu, 21 May 2015 15:35:26 +0100
changeset 467 dd13296df294
parent 421 7e08b31e0dae
permissions -rw-r--r--
Fixed code generation for deterministic choice w.r.t inlining For PPCDeterministicChoiceNode generate code in form if () else if () else if () else error instead of sequence of ifs. The former is safe w.r.t inlining.

"{ Package: 'stx:goodies/petitparser' }"

PPParser subclass:#PPPluggableParser
	instanceVariableNames:'block'
	classVariableNames:''
	poolDictionaries:''
	category:'PetitParser-Parsers'
!


!PPPluggableParser class methodsFor:'instance creation'!

on: aBlock
	^ self new initializeOn: aBlock
! !



!PPPluggableParser methodsFor:'accessing'!

block
	"Answer the pluggable block."

	^ block
! !

!PPPluggableParser methodsFor:'initialization'!

initializeOn: aBlock
	block := aBlock
! !

!PPPluggableParser methodsFor:'parsing'!

acceptsEpsilon
	^ false
!

parseOn: aPPContext
	| memento result |
	memento := aPPContext remember.
	result := block value: aPPContext.
	result isPetitFailure
		ifTrue: [ aPPContext restore: memento ].
	^ result
! !

!PPPluggableParser class methodsFor:'documentation'!

version
    ^ '$Header: /cvs/stx/stx/goodies/petitparser/PPPluggableParser.st,v 1.4 2014-03-04 14:33:12 cg Exp $'
!

version_CVS
    ^ '$Header: /cvs/stx/stx/goodies/petitparser/PPPluggableParser.st,v 1.4 2014-03-04 14:33:12 cg Exp $'
!

version_HG

    ^ '$Changeset: <not expanded> $'
!

version_SVN
    ^ '$Id: PPPluggableParser.st,v 1.4 2014-03-04 14:33:12 cg Exp $'
! !