[antlr-interest] Ignore "Mismatched input" and "No viable alternative"

[Robin]

You could use the filter=true grammar option to discard tokens that don't
match anything

On Thu, Jun 30, 2011 at 10:36 PM, Bart Kiers <bkiers at gmail.com> wrote:

> Can you give an example of your input, and explain what line you want to
> ignore?
>
> Regards,
>
> Bart.
>
>
> On Thu, Jun 30, 2011 at 10:33 PM, Nilo Roberto C Paim <nilopaim at gmail.com
> >wrote:
>
> > Hi all,
> >
> > I'm trying to parse a text file created by an application. There are
> lines
> > in this text file that I know perfectly their contents and format, and
> > these
> > lines are correctly parsed.
> >
> > Otherwise, there are lines that can be recognized by any syntax I can
> think
> > about.
> >
> > When I parse the file with my syntax, I'm getting several occurrences of
> > "Mismatched input" and "No viable alternative" on the lines that I can't
> > recognize.
> >
> > What I want is simply throw away these invalid lines, as if them would be
> > absent from the text file. For my purposes, these lines are "invisibles".
> >
> > How can I do that, ignoring the lexer/parser errors?
> >
> > TIA
> >
> > Nilo - Brasil
> >
> >
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