John,
Well... parser.rb takes a definition (from a file, string...) creates a new
instance of a Ruote::Parser, calls parse...
calls ruby_eval... which eventually calls the ruby_dsl.
Coming from ruote_fluo, it is a JSON string parsed to a tree back to ruby...
So there is quite a bit of transformation involving strings here....
I would love to be able to use more ruby code within a pdef like...
and pass it to ruote_fluo to display as a workflow
pdef = Ruote.process_definition do
sequence do
x = some_function(3 + ${f:v})
y = 1 + 5 / 6
alpha x, y
bravo
end
end
actually in my case it would be more like:
pdef = Ruote.algorithm_definition do
sequence do
x = some_function(3 + ${f:v})
y = 1 + 5 / 6
alpha x, y
end
end
and then use those algos as subprocess....
Does this make sense?
Pat.
On May 17, 2010, at 7:13 PM, John Mettraux wrote:
>
> On Mon, May 17, 2010 at 11:00:45AM -0400, Cappelaere Patrice wrote:
>>
>> Yes, I am talking about that ruby_dsl.rb.
>> Its purpose is basically to return a parse tree for your DSL, right? so why
>> not use ParseTree?
>
> Hello,
>
> because my ruby_dsl takes as input ruby blocks and not strings of ruby code.
>
> At one extreme, consider :
>
> ---8<---
> pdef = Ruote.process_definition do
> sequence do
> alpha
> bravo
> end
> end
>
> engine.launch(pdef)
> --->8---
>
> Should I turn the block back into a String before passing it to ParseTree ?
>
>
>> [There is a bunch of issues with set expressions... that I was not sure to
>> bring up before I got an exchange going]
>
> Bring it on.
>
>
> Best regards,
>
> --
> John Mettraux - http://jmettraux.wordpress.com
>
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