[antlr-interest] MismatchedTokenException and how to find errors in ANTLRWorks

[Thomas Brandon]

On Feb 13, 2008 12:42 PM, Darien Hager <darien.hager at etelos-inc.com> wrote:
>
> > Perhaps literals could be allowed in the parser but only to refer to
> tokens defined in the lexer, generating an error otherwise. That should
> alleviate many (if not all) of the issues while still allowing the stylistic
> choice some seem to want.
> >
>
> That makes sense to me. Parser-literals would mainly be a way to avoid
> remembering the token name and/or for readability.
>
> Although... could this cause problems with the tokenVocabulary option?
> Suppose someone wants to extend and build upon an existing (read-only) lexer
> grammar, but cannot define new literals in the parser.
>
You can't do that now. The only time you can define literals in the
parser is in a combined grammar, if you share a lexer between multiple
parsers you have to move all literals to the lexer (one of the other
reasons I avoid defining literals in the parser).

Tom.
>
> --
> Darien Hager
> Developer
> Etelos, Inc.
> darien at etelos.com
>
> http://www.etelos.com
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