On 04/04/2011 11:18 AM, Jason Doege wrote:
> Hi All,
>
> I am (we are) having a bit of trouble with spaces in a grammar.
>
> What should be parseable is:
>
> Alias b = in[4] {}
>
> But what the generated parser seems to require to parse correctly is:
>
> Alias b = in[4] { }
>
> Here is the production that is supposed to parse it:
>
> alias_def : 'Alias' alias_name '=' concat_hier_data_signal (
> ';' |
> ('{' ('RefEnum' enum_name ';')* '}' )
> ) ;
>
> Do you have any idea why a space is required between the '{' '}' ?
Not without seeing *all* of your token rules....
(You *do* have rules for your tokens, right? Either Lexer productions
or in a @tokens block?)
> To the best of my knowledge, I have no token that specifies '{}' in the
> grammar.
Please show us.
> Any suggestions would be welcome.
>
> We are using the latest and greatest ANTLR.
>
> --Jason Doege
> [email protected]
--
Kevin J. Cummings
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