PPEndOfFileParser.st
changeset 427 a7f5e6de19d2
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/PPEndOfFileParser.st	Mon Apr 13 22:00:44 2015 +0100
@@ -0,0 +1,38 @@
+"{ Package: 'stx:goodies/petitparser' }"
+
+"{ NameSpace: Smalltalk }"
+
+PPParser subclass:#PPEndOfFileParser
+	instanceVariableNames:''
+	classVariableNames:''
+	poolDictionaries:''
+	category:'PetitParser-Parsers'
+!
+
+!PPEndOfFileParser methodsFor:'as yet unclassified'!
+
+acceptsEpsilon
+	^ true
+!
+
+exampleOn: aStream 
+	aStream nextPutAll: #'end-of-input'
+!
+
+isNullable 
+	^ true
+!
+
+nonEmpty
+	"I know I am empty, but it does not count in my case, I represent virtual non-existent character"
+	^ self
+!
+
+parseOn: aPPContext
+	(aPPContext atEnd) ifFalse:
+	[
+		^ PPFailure message: 'end of input expected' context: aPPContext.
+	].
+	^ #'end-of-input'
+! !
+