PPLazyRepeatingParser.st
author Jan Vrany <jan.vrany@fit.cvut.cz>
Sat, 19 Mar 2016 00:12:47 +0100
changeset 556 51c6afba5c91
parent 377 6112a403a52d
permissions -rw-r--r--
CI: Use VM provided by Pharo team on both Linux and Windows. Hand-crafter Pharo VM is no longer needed as the Linux slave in SWING build farm has been upgraded so it has compatible GLIBC. This makes CI scripts simpler and more usable for other people.

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

PPLimitedRepeatingParser subclass:#PPLazyRepeatingParser
	instanceVariableNames:''
	classVariableNames:''
	poolDictionaries:''
	category:'PetitParser-Parsers'
!


!PPLazyRepeatingParser methodsFor:'parsing'!

parseOn: aPPContext
	| memento element elements |
	memento := aPPContext remember.
	elements := OrderedCollection new.
	[ elements size < min ] whileTrue: [
		(element := parser parseOn: aPPContext) isPetitFailure ifTrue: [
			aPPContext restore: memento.
			^ element ].
		elements addLast: element ].
	[ self matchesLimitOn: aPPContext ] whileFalse: [
		elements size < max ifFalse: [
			aPPContext restore: memento.
			^ PPFailure message: 'overflow' context: aPPContext at: memento position ].
		element := parser parseOn: aPPContext.
		element isPetitFailure ifTrue: [
			aPPContext restore: memento.
			^ element ].
		elements addLast: element ].
	^ elements asArray
! !

!PPLazyRepeatingParser class methodsFor:'documentation'!

version
    ^ '$Header: /cvs/stx/stx/goodies/petitparser/PPLazyRepeatingParser.st,v 1.1 2014-03-04 14:32:47 cg Exp $'
!

version_CVS
    ^ '$Header: /cvs/stx/stx/goodies/petitparser/PPLazyRepeatingParser.st,v 1.1 2014-03-04 14:32:47 cg Exp $'
! !