[antlr-interest] How a rule can containt characters that match other rule

[pepone pepone]

//the mail isn't complete i append here the end of the phrase

if i build a rule as PCDATA for my gramar, must i negate all
characters that are the begin of other token, is this the trick or i'm
missing samething?

On 4/25/06, pepone pepone <pepone.onrez at gmail.com> wrote:
> Hi Lucien
>
> I read html.g but i can found the answer to my troubel
>
> Expecialy i don't understand how the PCDATA rule works, and what means
> the : before '\r''\n'
>
> PCDATA
>        :       (
>                        options {
>                                generateAmbigWarnings=false;
>                        }
>                :       '\r' '\n'               {newline();}
>                |       '\r'                    {newline();}
>                |       '\n'                    {newline();}
>                |       ~('<'|'\n'|'\r'|'"'|'>')
>                )+
>        ;
>
> if i build a rule as PCDATA for my gramar, must i negate all
> characters that are th
>
> On 4/25/06, Lucien Stals <lstals at swin.edu.au> wrote:
> > Have you looked at the HTML grammar on the ANTLR site?
> >
> > http://www.antlr.org/grammar/list
> >
> > Since wiki markup is similar to HTML, and especially since the example
> > you give here *is* HTML, I expect you can find some inspiration from
> > looking at an already developed grammar.
> >
> > Lucien.
> >
> > pepone pepone wrote:
> > > Hi all
> > >
> > > I trying to build a Wiki Lexer parser and i don't know how to solve
> > > this situation
> > >
> > > Here is a sample document
> > >
> > > ---
> > > <p>Hello world UTF-8</p>
> > > ---
> > >
> > > ---  Match document begin and document end
> > >
> > > <p> parraf begin
> > > </p> parraf end
> > >
> > >
> > > I have this rules in my parser:
> > >
> > > document
> > >       :DOCUMENT^(parraf)+DOCUMENT
> > >       ;
> > >
> > > parraf
> > >       :
> > >       (PARRAF_TAG_BEGIN^
> > >               (~(OTAG|CTAG))+
> > >       PARRAF_TAG_END)
> > >       ;
> > >
> > > Lexer rules:
> > >
> > > DOCUMENT:
> > >       '-''-''-'
> > >       ;
> > >
> > > PARRAF_TAG_BEGIN:
> > >       OTAG P CTAG
> > >       ;
> > >
> > > PARRAF_TAG_END:
> > >       OTAG SLASH P CTAG
> > >       ;
> > >
> > > protected OTAG:'<';
> > > protected CTAG:'>';
> > >
> > > The problem is that when parser found '8' it expect '-'
> > >
> > > how make the parser work in this scenario?
> > >
> > > Thanks
> > > --
> > > play tetris http://pepone.on-rez.com/tetris
> > > run gentoo http://gentoo-notes.blogspot.com/
> > >
> > >
> > >
> > >
> >
>
>
> --
> play tetris http://pepone.on-rez.com/tetris
> run gentoo http://gentoo-notes.blogspot.com/
>


--
play tetris http://pepone.on-rez.com/tetris
run gentoo http://gentoo-notes.blogspot.com/