[antlr-interest] gathering any character until specified char

[Gokulakannan Somasundaram]

Try and check the following steps.
a) Make the WS Token, as above and set $channel = HIDDEN.
b) make until_separator as a token with (~(WS|SEPERATOR))*.
c) Try with the same rule for authors.

On Mon, Aug 15, 2011 at 5:26 PM, Ben Corne <ben.corne at gmail.com> wrote:

> Here's another try:
> authors
> : auth+=until_separator (',' auth+=until_separator)*
>  -> ^(AGAUTHORS $auth)
> ;
>
> until_separator
> : (~SEPARATOR)*
>  ;
>
> SEPARATOR : ',' ;
>
> This results again in empty values.
> Is there an option I need to toggle to make sure the characters get
> accounted for?
>
> 2011/8/14 Ben Corne <ben.corne at gmail.com>
>
> > HI all
> >
> > I'm trying to create a list of any characters but trailing whitespaces
> > separated by comma's.
> > Here are the rules for a specific case where I need this kind of list:
> >
> > authors
> > : (auth+=(.*)) WS* (',' WS* auth+=(.*) WS*)
> >  -> ^(AGAUTHORS $auth)
> > ;
> > WS  :   ( ' '
> >         | '\t'
> >         | '\r'
> >         | '\n'
> >         )
> >     ;
> >
> > Input: Ben Corne ,  An antlr FAN
> > Parse tree should look like this:
> > authors
> > |------------ 'Ben Corne'
> > |------------ WS
> > |------------ ','
> > |------------ WS
> > |------------ 'An antlr FAN'
> >
> > Instead I get one that doesn't seem to gather any character but the ','
> > (tested in debugger)
> > Anyone know what I'm doing wrong here?
> >
> > Kind regards
> > Ben Corne
> >
>
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