Codegen: added support for smart action node compiling.
Avoid creation of intermediate result collection for action nodes if all references
to action block's argument (i.e., the nodes collection) is in form of:
* <nodes> at: <numeric constant>
* <nodes> first (second, third...
"{ 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 $'
! !