PPOptionalParser.st
author Jan Vrany <jan.vrany@fit.cvut.cz>
Thu, 30 Jul 2015 08:37:37 +0100
changeset 510 869853decf31
parent 377 6112a403a52d
permissions -rw-r--r--
Tests refactoring - use generated test cases to make sure all posibilities are tested. Do not generate resource for all combinations, use PPCSetUpBeforeTearDownAfterResource instead that delegates parser compilation to the testcase itself (it calls it's #setUpBefore method).

"{ 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 $'
! !