PPOptionalParser.st
author Jan Vrany <jan.vrany@fit.cvut.cz>
Thu, 10 Jan 2013 14:22:02 +0100
changeset 99 57b4439a7998
parent 25 be0f50e43f2f
child 172 c446d835cbba
permissions -rw-r--r--
Added PPCompositeParserGenerator & PPParserVisitor

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

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


!PPOptionalParser methodsFor:'parsing'!

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

!PPOptionalParser class methodsFor:'documentation'!

version_SVN
    ^ '§Id: PPOptionalParser.st 4 2010-12-18 17:02:23Z kursjan §'
! !