On Sun, Jun 14, 2009 at 1:49 PM, David-Sarah Hopwood <
[email protected]> wrote:
> David-Sarah Hopwood wrote:
> > Identifier
> > : IdentifierStartASCII IdentifierRest
> > | { if (!isIdentifierStart(input.LA(1))) throw new
> NoViableAltException();
> > matchAny(); mIdentifierRest(); }
> > ;
>
> This will work, but because the 'input' IntStream is not passed to
> NoViableAltException, some of the information that would normally be
> available to construct error messages is missing. Use this instead,
> with the rest of the code as in my previous post:
>
> Identifier
> : IdentifierStartASCII IdentifierRest
> | { if (!isIdentifierStart(input.LA(1))) {
> throw new NoViableAltException("identifier start", 0, 0, input);
> }
> matchAny(); mIdentifierRest(); }
> ;
>
I would not have thought of that. Thanks!
CM
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