Ported PetitCompiler-(Tests). Name: PetitCompiler-JanKurs.41 Author: JanKurs Time: 25-10-2014, 03:30:28 AM UUID: 105186d1-1187-4ca6-8d66-3d2d47def4d3 Repository: http://smalltalkhub.com/mc/JanKurs/PetitParser/main Name: PetitCompiler-Tests-JanKurs.4 Author: JanKurs Time: 25-10-2014, 03:30:58 AM UUID: 3e798fad-d5f6-4881-a583-f0bbffe27869 Repository: http://smalltalkhub.com/mc/JanKurs/PetitParser/main In addition, fixed some problems to make it compilable under Smalltalk/X: * Fixed PPCTokenNode>>initialize - there's no children instvar, it's initialization removed. * Fixed PPCContextMemento>>propertyAt:ifAbsent: - removed return-in-return, not compilable under Smalltalk/X (C issues) * Fixed PPCContextMemento>>hash - there's no stream instvar, access to it removed. * Fixed PPCAbstractCharacterNode>>compileWith:effect:id: - removed dot after method selector (stc does not like it)

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

PPCDelegateNode subclass:#PPCOptionalNode
	instanceVariableNames:''
	classVariableNames:''
	poolDictionaries:''
	category:'PetitCompiler-Nodes'
!

PPCOptionalNode comment:''
!

!PPCOptionalNode methodsFor:'as yet unclassified'!

acceptsEpsilon
	^ true
!

acceptsEpsilonOpenSet: set
	^ true
!

compileWith: compiler effect: effect id: id
	compiler startMethod: id.
	compiler addVariable: 'retval'.

	compiler add: 'retval := '.
	compiler callOnLine: (child compileWith: compiler ).
	compiler add: '^ error ifFalse: [ retval ] ifTrue: [ self clearError. nil ]'.
 ^ compiler stopMethod.
!

prefix
	^ #opt
! !