[antlr-interest] Re: lexical nondeterminism between IDENT & LABEL

[Paul J. Lucas]

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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