On 31/01/2013, Mario Fusco <mario.fusco(a)gmail.com> wrote:
after a (quite long) discussion with Mark, Edson and Michael we realized
that, to support the guided editor roundtrip without dropping our current
DSL features, we need a new format allowing to mix plain DRL and DSL
sentences but delimiting these last ones in a clear (and easy to recognize)
Our first idea has been to not have dsl blocks and mark each dsl line with
an initial single quote (') like in
Agreed: not a good idea.
For the same reason we could have similar problems with many other
fancy) characters. Moreover it happens quite often to have a dsl that spans
more lines, especially considering the - notation already remembered by
Wolfgang in a former email of this thread.
You might have found a good one, *somewhere* in the BMP ;-)
Taking count of that, I suggest to adopt a (xml-like) syntax that is a bit
more verbose but also much more explicit and less error-prone, like in the
following example that mixes plain drl with dsl parts:
Luckily Java doesn't permit < etc. for booleans, otherwise an expression like
a < dsl > false
split cunningly across lines...
Moreover I'd prefer to have a specific file extension for this kind of rule
files instead of using the standard .drl one.
I can't think to nothing better than .edrl
(standing for Enriched DRL) at the moment, so I am open to any suggestion.
What about .erl?
* 'd' is the successor of 'e', so this follows tradition (as C
follows B, or HAL follows IBM).
* As for another connotation, see Erlkönig or Erlking,
* Note that "Erlkönig" is firmly established as the German term for
"pretest vehicle", running camouflaged on public roads...
* From the English translation of Goethe's famous poem, quoting the
Erlking: "Very lovely games I'll play with you".
Any other feedback is welcome,