[antlr-interest] Re: exact matching verses sufficient matches plz help
micheal_jor
open.zone at virgin.net
Mon Nov 22 23:20:52 PST 2004
--- In antlr-interest at yahoogroups.com, Muhammad Masoom Alam
<doublemalam at y...> wrote:
> dear all,
> Plz help me in exact matches problem i have attached with this.
>
> regards.
> As mentioned in the documentation of ANTLR that it performs
sufficient matches instead of exact matches.
> But I want exact match , I have a the following lines of code
> check_rule
>
> : (#(AND #(OR somerule1) #(IMPLIES somerule2)))
>
> | ( #(AND somerule3) #(IMPLIES somerule4))
>
> ;
> it doesnot work
What do you mean here?. What exactly happens, is there an error
message (if so, what was it?) etc.
In any case aren't you missing a leading '#' in the second alternative?
: (#(AND #(OR somerule1) #(IMPLIES somerule2)))
| #( #(AND somerule3) #(IMPLIES somerule4))
;
Micheal
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