Hi,
I have created a pull request with the Object constructor
implementation[1]. Since I cannot create a duplicate token of kind "{", I
have attempted to use <Lbrace>. When I build the code and try to debug to
see if the parser recognizes an object, a parserexception is thrown. I have
also tried using <LbraceExprEnclosure>. But as I understand both are not
START_TAGs. How can I change the grammar so that token "{" would be
recognized as a START_TAG to be processed by the MainModule() of the
parser.
Also a translate method for object constructor in the class
XMLQueryTranslator needs to be created. I am not sure I understand how that
should be done. Kindly provide any guidance.
[1] https://github.com/apache/vxquery/pull/47
Thank you.
Yours sincerely,
Riyafa
On 24 May 2016 at 00:03, Riyafa Abdul Hameed <[email protected]>
wrote:
> Hi,
>
> I have been attempting to extend the xquery-grammar.jj file to support
> JSONiq object constructor[1]. As I understand we need to create classes
> that extends ASTNode class in the package org.apache.vxquery.xmlquery.ast
> to be able to return ASTNode objects by the ObjectConstructor--currently it
> returns nothing. I hope it needs to be discussed what classes to be
> created. Correct me if I am mistaken.
>
> [1] https://github.com/apache/vxquery/pull/44
> <https://github.com/apache/vxquery/pull/40>
>
> Thank you.
>
> Yours sincerely,
> Riyafa
>
> On 17 May 2016 at 22:57, Preston Carman <[email protected]> wrote:
>
>> As you (JSONiq GSOC students) look at extending the xquery-grammar.jj
>> [1] file for JSONiq, just remember to check the specification for
>> specifics [2]. The specification has a nice syntax block at the
>> beginning of the construction chapter. Also, check out the JavaCC
>> documentation [3] if you need to catch up on our parser.
>>
>> Post if you have any questions. Also, post the final pull request for
>> the data model implementations.
>>
>> [1]
>> https://github.com/apache/vxquery/blob/master/vxquery-core/src/main/javacc/xquery-grammar.jj
>> [2]
>> http://jsoniq.org/docs/JSONiqExtensionToXQuery/html-single/index.html#section-json-value-construction
>> [3] https://javacc.java.net/
>>
>
>
>
> --
> Riyafa Abdul Hameed
> Undergraduate, University of Moratuwa
>
> Email: [email protected]
> Website: https://riyafa.wordpress.com/ <http://riyafa.wordpress.com/>
> <http://facebook.com/riyafa.ahf> <http://lk.linkedin.com/in/riyafa>
> <http://twitter.com/Riyafa1>
>
--
Riyafa Abdul Hameed
Undergraduate, University of Moratuwa
Email: [email protected]
Website: https://riyafa.wordpress.com/ <http://riyafa.wordpress.com/>
<http://facebook.com/riyafa.ahf> <http://lk.linkedin.com/in/riyafa>
<http://twitter.com/Riyafa1>
