[antlr-interest] help

[John Allen Green]

Balvinder,

At a guess, I'd say that Antlr is warning that you have optional tokens and
token groups in your grammar which it doesn't know for sure that it should
consume right away, or else leave them for a later rule. (Similar to the
"dangling ELSE" problem - see the FAQs). You can tell Antlr that it
*should* go ahead and consume the tokens by using greedy=true.

HTH
John



--On 07/06/2002 6:35 PM +0530 Balvinder Singh wrote:

> 
> 
> Hi...
> 
> I have a rule, which has 3 conflicts. plz help me to resolve it.
> 
> If I change it to context free grammar  and use some syntactic predicate, 
> will be a right way or not.
> 
> parser rule
> picture_string : (currency)? ((picChar)+ (repeat)?)+ (Punctuation 
> ((picChar)+ (repeat)?)+)*
> 
> currency and picChar is alphabet
> 
> repeat : "(" Integer ")"
>        ;
> 
> 
> 
> lexer rule
> Punctuation : ('/' | ',' | '.' | ':')
>             ;
> 
> 
> 
> so I have conflict in picture_string.
> 
> balvinder
> 
> 
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