Re: How to define the tokens dynamically?

> A parser generator (conceptually) produces two pieces, a lexer and a
> parser. The lexer is responsible for chopping up a stream of
> characters into a stream of tokens. The parser is instead responsible
> for recognizing patterns within the stream of tokens.
>
> JavaCC does not provide a mechanism by which you can define tokens in
> some other specification and then have JavaCC generate the lexer from
> that specification. However, Javacc does allow you to specify that a
> generated parser should use a custom lexer of your own creation
> (provided it conforms to a particular interface). You can either
> redefine the tokens as defined in the alternative specification, or
> you can build a custom lexer around that specification.
>
> Nathan
>
>
> On Sep 9, 2007, at 12.08, imp wrote:
>
> > Hi all, the following is a snippet of TOKEN section of a .jj file;
> > TOKEN : { } Rather than hardcoded I want the tokens to be populated
> > from a table/database/xml/csv . Please inform whether i can specify
> > in the .jj file?? Please inform if you know any other way(by
> > editing the generated javaclass or any thing else) thanks imp
> > View this message in context: How to define the tokens dynamically?
> > Sent from the java.net - javacc users mailing list archive at
> > Nabble.com.
>
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