--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/PPNotParser.st Thu Aug 18 20:56:17 2011 +0200
@@ -0,0 +1,29 @@
+"{ Package: 'squeak:petitparser' }"
+
+PPDelegateParser subclass:#PPNotParser
+ instanceVariableNames:''
+ classVariableNames:''
+ poolDictionaries:''
+ category:'PetitParser-Parsers'
+!
+
+PPNotParser comment:'The not-predicate, a parser that succeeds whenever its delegate does not, but consumes no input [Parr 1994, 1995].'
+!
+
+
+!PPNotParser methodsFor:'parsing'!
+
+parseOn: aStream
+ | element position |
+ position := aStream position.
+ element := parser parseOn: aStream.
+ aStream position: position.
+ ^ element isPetitFailure
+ ifFalse: [ PPFailure message: '' at: aStream position ]
+! !
+
+!PPNotParser class methodsFor:'documentation'!
+
+version_SVN
+ ^ '$Id: PPNotParser.st,v 1.1 2011-08-18 18:56:17 cg Exp $'
+! !