@Doru: This might solve the problem: isStartOfLine (position = 0) ifTrue: [ ^ true ]. ^ ((collection at: position) = Character cr) or: [ (collection at: position) = Character lf ]. Do you agree? Cheers, Jan On 3 September 2014 14:46, Tudor Girba <tudor(a)tudorgirba.com> wrote: > Hi, > > Jan has implemented a nice parser that allows us to specify easily > productions that depend on text having to be on a new line. > > For example, in Pillar, a header is specified through an exclamation > mark starting on a new line. Now, you can parse this as: > > #startOfLine asParser , $! asParser , #newline asParser negate star > > Pretty cool! > > > @Jan: I think we need to enhance a bit the implementation. The > implementation looks like this right now: > isStartOfLine > (position = 0) ifTrue: [ ^ true ]. > ^ (collection at: position) = Character cr. > > This will work when the line ending is either cr or lf+cr. However, it > won't work if the line ending is just lf. > > For example, in my parsers, the newline implementation looks like: > (#cr asParser , #lf asParser optional) / #lf asParser / #cr asParser > > > What do you think? > > Cheers, > Doru > > -- > www.tudorgirba.com > > "Every thing has its own flow" > > _______________________________________________ > Moose-dev mailing list > Moose-dev(a)iam.unibe.ch > https://www.iam.unibe.ch/mailman/listinfo/moose-dev > > _______________________________________________ Moose-dev mailing list Moose-dev(a)iam.unibe.ch https://www.iam.unibe.ch/mailman/listinfo/moose-dev