[antlr-interest] newbi question : operator + any

[Jim Idle]

You cannot use .* or .+ as this means match everything. The ANYTHING rule
can only be:

ANYTHING : . ;

Which means that you get one token for a single character that is not
consumed by any previous rules.

Jim

> -----Original Message-----
> From: antlr-interest-bounces at antlr.org [mailto:antlr-interest-
> bounces at antlr.org] On Behalf Of Marco Laponder
> Sent: Monday, February 06, 2012 11:45 PM
> To: Gokulakannan Somasundaram
> Cc: antlr-interest at antlr.org
> Subject: Re: [antlr-interest] newbi question : operator + any
>
> This still gives me the same error, any other ideas ? Of is antlr just
> not appropriate for this ?
>
>
>
> Kind regards,
>
> Marco
>
>
>
> ________________________________
>
> Van: Gokulakannan Somasundaram [mailto:gokul007 at gmail.com]
> Verzonden: maandag 6 februari 2012 16:56
> Aan: Marco Laponder
> CC: antlr-interest at antlr.org
> Onderwerp: Re: [antlr-interest] newbi question : operator + any
>
>
>
> COMPARE : '>';
>
> ANYTHING : (~'>')(.)*;
>
> testExpression : COMPARE ANYTHING;
>
>
>
>
>
> Try this.
>
>
>
> Gokul.
>
> On Mon, Feb 6, 2012 at 8:30 PM, Marco Laponder
> <marco.laponder at kewill.com> wrote:
>
> Hi All,
>
>
>
> I am trying to setup a very simple grammar, ik should be able to handle
>
>
>
> "> thiscouldbeanything"
>
>
>
> So I tried:
>
>
>
> COMPARE : '>';
>
> ANYTHING : (.)+;
>
> testExpression : COMPARE ANYTHING;
>
>
>
> but when generating java resources it gave me the error:
>
>
>
> "The following alternatives can never be matched: 1"
>
>
>
> The problems seems to be the ANYTHING, so how should I define a grammar
> to be able to handle this ?
>
>
>
> Kind regards,
>
> Marco
>
>
> List: http://www.antlr.org/mailman/listinfo/antlr-interest
> Unsubscribe:
> http://www.antlr.org/mailman/options/antlr-interest/your-email-address
>
>
>
>
> List: http://www.antlr.org/mailman/listinfo/antlr-interest
> Unsubscribe: http://www.antlr.org/mailman/options/antlr-interest/your-
> email-address