[antlr-interest] Re: lexical nondeterminism between IDENT &
LABEL
Paul J. Lucas
pauljlucas at mac.com
Wed Nov 3 23:39:10 PST 2004
On Thu, 4 Nov 2004, thoth2487 wrote:
> Now parser work fine with 'ident' & 'label'
> but new WS behaviour make more complex parsers
> rules which must check always also presence of WS. Eg:
>
> conditional:
> IF
> (WS)?
> expression
> (WS)?
> goto
> ........ and so on
>
> What I've mistaked ? What do you suggest about ?
You make the rule include whitespace:
... ( (WS)? ':' { $setType( LABEL ); } )
- Paul
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