PPNotParser.st
author Jan Vrany <jan.vrany@fit.cvut.cz>
Tue, 16 Jun 2015 07:49:21 +0100
changeset 491 82b272c7dc37
parent 378 53d66ecfeb1b
child 642 77d5fddb6462
permissions -rw-r--r--
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' }"

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




!PPNotParser methodsFor:'parsing'!

parseOn: aPPContext
	| element memento |
	memento := aPPContext remember.
	element := parser parseOn: aPPContext.
	aPPContext restore: memento.
	^ element isPetitFailure
		ifFalse: [ PPFailure message: '' context: aPPContext ]
! !

!PPNotParser class methodsFor:'documentation'!

version
    ^ '$Header: /cvs/stx/stx/goodies/petitparser/PPNotParser.st,v 1.3 2012-05-04 22:06:22 vrany Exp $'
!

version_CVS
    ^ '$Header: /cvs/stx/stx/goodies/petitparser/PPNotParser.st,v 1.3 2012-05-04 22:06:22 vrany Exp $'
!

version_SVN
    ^ '§Id: PPNotParser.st 2 2010-12-17 18:44:23Z vranyj1 §'
! !