[rules-dev] Long DSL lines

[Wolfgang Laun]

On 5 December 2010 11:23, Mark Proctor <mproctor at codehaus.org> wrote:

>  On 04/12/2010 20:49, Michael Anstis wrote:
>
> None here.
>
> Longer term, I wonder whether our DSL syntax is too weak?
>
> Even the ability to declare blocks would be nicer than long lines (and line
> split markers):-
>
> I'd rather see us progress go a constraint and data driven templating
> system. I'll discuss it more with you when we meet up. The DSLs are just
> sentence templates and we needmore than that.
>
>
So what? Leave the current DSL with all its deficiencies and bugs?
-W



> Mark
>
>
> then [Book the customer for the flight]
>     {
>         $f.setAvailable( $f.getAvailable() - 1 );
>         update( $f );
>         Booking booking = new Booking();
>         booking.setCustomer( $r.getCustomer() );
>         booking.setFlight( $f );
>         insert( booking );
>     }
>
>
> On 4 December 2010 18:33, Wolfgang Laun <wolfgang.laun at gmail.com> wrote:
>
>> Currently each entry must be a single line of text. This results in long
>> lines, especially on the RHS.
>>
>> I have experimentally inserted a transformation of the DSL text (in
>> DSLTokenizedMappingFile)
>> which converts '\'+EOL on the fly to a space. (The passed-in reader is
>> read into a buffer, '\'+EOL
>> is translated to space, and EOLs are inserted later to readjust the line
>> number.) In a text editor,
>> I can now write, e.g.,
>>
>> then][][Bb]ook the customer for the flight=\
>>   $f.setAvailable( $f.getAvailable() - 1 );\
>>   update( $f );                            \
>>   Booking booking = new Booking();         \
>>   booking.setCustomer( $r.getCustomer() ); \
>>   booking.setFlight( $f );                 \
>>   insert( booking );
>>
>> Of course, the DSL editor will not preserve this, but future development
>> might provide more
>> convenient editing there, too.
>>
>> Any objections?
>> -W
>>
>> _______________________________________________
>> rules-dev mailing list
>> rules-dev at lists.jboss.org
>> https://lists.jboss.org/mailman/listinfo/rules-dev
>>
>>
>
> _______________________________________________
> rules-dev mailing listrules-dev at lists.jboss.orghttps://lists.jboss.org/mailman/listinfo/rules-dev
>
>
>
> _______________________________________________
> rules-dev mailing list
> rules-dev at lists.jboss.org
> https://lists.jboss.org/mailman/listinfo/rules-dev
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://lists.jboss.org/pipermail/rules-dev/attachments/20101205/207f6a9e/attachment-0001.html