Re: [Grammatica-users] Internal Error, Grammatica 1.5

[Per Cederberg]

Thanks for the bug report. It is really the error message that is in
error here it seems, since it should just complain about invalid
regular expression syntax:

    '**' any* eos

isn't a valid regexp, but this would be:

    '\*\*' any\* eos

But perhaps you mean to match two * characters and then read until end of line:

    \*\*[^\n]*

Cheers,

/Per

On Wed, Apr 22, 2009 at 9:35 PM, Kevin <address@hidden> wrote:
> Hi, I'm trying out Grammatica and liking it, and being new to it I quickly
> tripped it up with some malformed input.  Anyway, in 1.5 this test case:
>
>  %header%
>
>  GRAMMARTYPE = "LL"
>
>  %tokens%
>
>  DOC_LINE        = <<'**' any* eos>>
>
> generates this output:
>
> INTERNAL ERROR: An internal error in Grammatica has been found.
>    Please report this error to the maintainers (see the web
>    site for instructions). Be sure to include the Grammatica
>    version number, as well as the information below:
>
> net.percederberg.grammatica.GrammarException: token 'DOC_LINE' is invalid,
> as regular expression contains error(s): Dangling meta character '*' near
> index 2
> '**' any* eos
>  ^, on line 8
>        at
> net.percederberg.grammatica.Grammar.createTokenizer(Grammar.java:229)
>        at net.percederberg.grammatica.Grammatica.debug(Grammatica.java:423)
>        at net.percederberg.grammatica.Grammatica.main(Grammatica.java:170)
>
> Tool completed with exit code 2
>
>
> Just passing it on, thanks!
>
> Kevin
>
>
>
>
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