[antlr-interest] Help Needed with multiple alternatives

[Alexander Gängel]

I still have this Problem but I think I search in the wrong spot.

can somebody explain me which rule makes the Problem?




Thanks
Alexander

Alexander Gängel schrieb:
> I found the problem but still have no working solution.
>
> I tried to get around it by using scoping and Semantic Predicates.
>
> so I set a scope with a boolean man variable and wanted to make a 
> decision like {$exp::name}=> ... | so that the rule chooses the first 
> alternative when $exp::name is set true and the other solution if it 
> is false.
>
> Is this possible, cause right now it's not working, but there may be 
> some other error still in the rule.
>
> Alexander
>
> Alexander Gängel schrieb:
>> I just can't get my grammar to work without having a multiple 
>> alternatives problem.
>>
>> I have some nested expression rules to get the precedence of the 
>> different operations.
>>
>> The problem occures since I added the letexpression  rule to exp_direct
>>
>> I hope someone can give me a hint how to solve this.
>>
>> Thanks Alexander
>
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