PPOptionalParser.st
author Jan Vrany <jan.vrany@fit.cvut.cz>
Fri, 31 Jul 2015 08:16:54 +0100
changeset 508 c74a0dbfa161
parent 377 6112a403a52d
permissions -rw-r--r--
Temporarily disabled #acceptsEpsilon test in PPCTokenizingCodeGenerator>>visitChoiceNode: JK should have a look and come up with proper solution.

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

PPDelegateParser subclass:#PPOptionalParser
	instanceVariableNames:''
	classVariableNames:''
	poolDictionaries:''
	category:'PetitParser-Parsers'
!



!PPOptionalParser methodsFor:'parsing'!

parseOn: aPPContext
	| element |
	element := parser parseOn: aPPContext.
	^ element isPetitFailure ifFalse: [ element ]
! !

!PPOptionalParser class methodsFor:'documentation'!

version_SVN
    ^ '$Id: PPOptionalParser.st,v 1.4 2014-03-04 14:33:10 cg Exp $'
! !