[antlr-interest] Doubt About using custom classes from returing values

[Victor Giordano]

mmmmmm, the correct question i wanted to do is: How to compile within 
ANTLRworks using outer classes definitions... cuz it's says to me that 
doesn't know the return value type.. :(.


El 10/08/2010 06:17 p.m., Victor Giordano escribió:
> Hi There!! Me Again!.
> I have another simple cuestion (i hope the answer be simple too!).
>
> So if a wanna use rules that return values but custom types values,
> like, in java, objects instances from custom classes.
> Example:
>
> streetFightRule returns [MyHappyClass MyReturnObj] :
> TOKEN 'VS' TORYU
> {
> 	MyReturnObj = new MyHappyClass (TOKEN,TORYU);
> };
>
> How i configure this? With my working proyect.. I am a huge fan of
> netbeans.. by the way, if you know a way of integrating all in one tell
> me please!.
>
> Well that it's all!!.
> Thankssss again!!.
> Cya.
>
>
> El 10/08/2010 05:31 p.m., Victor Giordano escribió:
>> Thanks Junkman!!! But it's still doesn't work... :(.
>> I have another example:
>>
>> rule: TOKEN1? TOKEN2 ->   ^(TOKEN1 TOKEN2) Works when token1 actually
>> exists, but when no.. :( ugly things happen..
>>
>> Well, thanks for advance again!!.
>> Cya.
>>
>>
>>
>> El 10/08/2010 05:00 p.m., Junkman escribió:
>>> Hi Victor,
>>>
>>> Victor Giordano wrote:
>>>> Hi, i am a newbie. Trying to figure out how to work with AST tree and
>>>>
>>>> ...
>>>>
>>>> butttttttt if i want to use rewrite rules... how do i thread the
>>>> repetion EBNF operator like * or +.
>>>>
>>>> expr : term (('+'|'-') term)* ->    term ^(('+'|'-') term)* ;
>>>>
>>>
>>> try this:
>>>
>>> expr: ( term ->    term )
>>>          ( ( '+' | '-' ) term ->    ^( ( '+' | '-' ) $expr term ) )* ;
>>>
>>>
>>> Not sure if the terms need to be distinguished with labels.
>>>
>>> The Antlr reference book describes the use of rewrite rule inside
>>> subrule in more detail.
>>>
>>> J
>>>
>>
>>
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