[antlr-interest] rule parameter question

Bart Kiers bkiers at gmail.com
Thu Jun 30 06:20:03 PDT 2011


No problem: SO _does_ work with notifications, but they only go out once a
day or so by default.

Good to hear it worked.

Regards,

Bart.


On Thu, Jun 30, 2011 at 3:16 PM, Mark Truluck <mark.truluck at cogiton.com>wrote:

>
> Hi Bart – sorry – thought I'd get an email from them.
>
> That worked perfectly – thanks very much.
>
> Mark
>
> From: Bart Kiers <bkiers at gmail.com>
> Date: Thu, 30 Jun 2011 14:42:53 +0200
> To: Mark Truluck <mark.truluck at cogiton.com>
> Cc: "antlr-interest at antlr.org interest" <antlr-interest at antlr.org>
> Subject: Re: [antlr-interest] rule parameter question
>
> Hi Mark,
>
> I presume you didn't see my answer on Stackoverflow:
>
> http://stackoverflow.com/questions/6529359/how-to-pass-commontree-parameter-to-an-antlr-rule
> ?
>
> If you did, is there anything that wasn't clear?
>
> Regards,
>
> Bart.
>
>
> On Thu, Jun 30, 2011 at 2:26 PM, Mark Truluck <mark.truluck at cogiton.com>wrote:
>
>> Hello,
>>
>> I am trying to do what I think is a simple parameter passing to a rule in
>> Antlr 3.3:
>>
>> -----------
>> grammar rule_params;
>>
>>
>> options
>> {
>>    output = AST;
>> }
>>
>> rule_params
>>    :   outer;
>>
>>
>> outer:  outer_id '[' inner[$outer_id.tree] ']';
>>
>> inner[CommonTree parent]    :   inner_id '['  ']';
>>
>>
>> outer_id    : '#'! ID;
>>
>> inner_id    : '$'! ID ;
>>
>>
>> ID   :  ('a'..'z' | 'A'..'Z') ('a'..'z' | 'A'..'Z' | '0'..'9' | '_' )* ;
>>
>> ---------
>>
>> However the inner[CommonTree parent] generates the following:
>>
>> *** inner4=inner((outer_id2!=null?((Object)outer_id2.tree):null));
>>
>>
>> Resulting in this error:
>>
>> *** The method inner(CommonTree) in the type rule_paramsParser is not
>> applicable for the arguments (Object)
>>
>>
>> As best I can tell, this is the exact same as the example in the Antrl
>> book:
>>
>>
>> classDefinition[CommonTree mod]
>>
>> (Kindle Location 3993) - sorry I don't know the page number but it is
>>  in the middle of the book in chapter 9, section labeled "Creating Nodes
>>  with Arbitrary Actions".
>>
>> Thanks for any help.
>>
>>
>>
>> Mark Truluck
>> COGITON, Inc.
>>
>>
>>
>>
>> List: http://www.antlr.org/mailman/listinfo/antlr-interest
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>>
>
>


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