Re: Continue Eclipse Freemarker DLTK?

Hey guys,

I am on vacation starting today and going through all of next week so I
wont be able to look at the new DLTK plugins from Angelo until Aug 5th at
the earliest but I do promise to take a deep look at it then.  I have
gotten my dev environment up and compiled the plugins and tested the editor
just a bit.  I wasn't able to get the debugger working at first but I
didn't look at the documentation on this portion that closely yet.

But I agree with both of your notions that the Outline view available in
other freemarker editor is not that useful.  When I'm working on templates
I'd rather see the HTML outline.  So I believe our efforts would be better
spent to try to make freemarker that is editing HTML documents (which is
big use-case) has an HTML outline, just like JSP files have html outline.

So some quick questions about DBGP debugger.  In my own debugger client
that I wrote for LiferayIDE, I had some problems with stepping, in other
words there is no stepping :) and emulated stepping is not stepping at all
(breaks when it encounters first conditional statement.  But... does DBGP
debugger support these features?

- stepping
- run to line
- modification of model objects values

Once I get back from vacation I will also be working on integration new
editor with LiferayIDE usecases which will include automatically populating
the editors configuration on open to include lots of JDT classes available
on the user's project classpath.  But for that I can try to learn existing
API and facilities already available.

G


On Sat, Jul 27, 2013 at 12:33 AM, Daniel Dekany <[email protected]> wrote:

> Friday, July 26, 2013, 5:08:15 PM, Angelo zerr wrote:
>
> [snip]
> > I have done a big refactoring about debugger
> > https://github.com/freemarker/freemarker/pull/7 to support any
> > debugger (like dbgp).
> [snip]
> > I'm waiting that you accept my pull request (or you cange it to
> > support any debugger service) to commit that. Thank's.
>
> UGh... At the moment, I know nothing about the whole debugging
> feature. I will look into it, eventually. Greg OTOH has some insight,
> so if he says it's good, I will believe to him. He's a tools expert
> anyway. I suppose it's not an obstacle for you if it's not accepted
> for a while (after all this is Git...). I mean, for some days. If it
> is, tell me.
>
> > Regards Angelo
> >
> >
> > --
> > Thanks,
> >  Daniel Dekany
> >
> >> Last night I have switched to FM 2.3 (the Ouline doesn't work
> >> because I have commented code about DLTK ASTNode). See
> >>
> https://github.com/angelozerr/Freemarker-Eclipse-DLTK/commit/915952c3eec28a4531a54edacc7e33cb88993f18
> >>
> >> I have removed FM 3.0 bundle (org.freemarker.freemarker) and
> >> replaced with FM 2.3. As 2.3 is an OSGi bundle, I use it directly as
> >> OSGi bundle (you can see in action that OSGi with FM seems working).
> >>
> >> You must build the freemarker.jar and set in the
> >> TargetPlatform/plugins
> >>
> https://github.com/angelozerr/Freemarker-Eclipse-DLTK/tree/master/TargetPlatform/plugins
> >> if you wish to use the version from Git master.
> >>
> >> Now I would like to work on the debugger. I will create a new topic
> about the debugger.
> >>
> >> Regards Angelo
> >>
> >>
> >>
> >>
> >>
> >>
> >> 2013/7/26 Daniel Dekany <[email protected]>
> >> Friday, July 26, 2013, 12:28:19 AM, Angelo zerr wrote:
> >>
> >>>> What do you mean by "manage with 2.3"?
> >>>
> >>> I mean that DLTK Freemarker will use FM 2.3 and not 3.0
> >>
> >> Sure.
> >>
> >>>> You want to modify FM, or it's plugin development only?
> >>>
> >>> My first step is just modify or comments code of DLTK Freemarker.
> >>>
> >>> After I would like contribute with my code
> >>>
> https://github.com/angelozerr/Freemarker-Eclipse-DLTK/tree/master/freemarker.provisionnal/src/freemarker/provisionnal
> >>> to FM to improve debugger and contribute to FM tools.
> >>>
> >>>> I'm OK with both, except that you will have
> >>>> to send a signed Contributor License Agreement for modifying FM
> >>>> itself.
> >>>
> >>>> In last past I had send a CLA to Atila (to commit in the svn FM), is
> not enough?
> >>
> >> That's enough. Sorry for the confusion, it's just that I don't have a
> >> copy of that here for some reason... never mind.
> >>
> >>> Regards Angelo
> >>>
> >>> --
> >>> Thanks,
> >>>  Daniel Dekany
> >>>
> >>>
> >>>> Regards Angelo
> >>>>
> >>>>
> >>>> 2013/7/25 Daniel Dekany <[email protected]>
> >>>> Thursday, July 25, 2013, 4:40:28 PM, Angelo zerr wrote:
> >>>>
> >>>>> Hi Daniel,
> >>>>>
> >>>>> OK I understand why you don't want expose the AST API. Thank's for
> your information.
> >>>>>
> >>>>> The DLTK ASTNode is used for several features like folding,
> >>>>> refactoring, search, codeassist.
> >>>>>
> >>>>> You can read info about ASTNode at
> >>>>> http://wiki.eclipse.org/DLTK_Core_Architecture
> >>>>> It's difficult for me to tell you now which info are required  to
> >>>>> build a DLTK ASTNode.
> >>>>
> >>>> Then, to start somewhere... I think, org.freemarker:tooling will give
> >>>> you an abstract FTLVisitor class, which however will only have two
> >>>> kind of visit-s for now: visit(ElementInfo) and visit(ExpressionInfo).
> >>>> (That's so that the plugin or other tools won't assume that they know
> >>>> all the directives and expression types.) (Note that the 3.0 API
> >>>> didn't visit expressions at all, only elements.) And then I start
> >>>> adding properties to these XxxInfo-s as the need arises. Like,
> >>>> isFoldable(), isOutlineNode and getOutlineNodeLabel for starters. The
> >>>> initial "accept" method of the tools API could have a Query object (a
> >>>> JavaBean again) as parameter, in which you can specify what are you
> >>>> interested in (like, folding and/or outline nodes and/or variables
> >>>> used, etc). So as you move ahead, we will see if it's appropriate at
> >>>> all. And of course I'm open for suggestions.
> >>>>
> >>>>> I will try to switch to 2.3 and I will see what we need.
> >>>>>
> >>>>> My work about AST was very simply (I have just managed #assign in
> >>>>> the AST to display the variable name of assign in the Outline View).
> >>>>> But perhaps for Freemarker, the Outline View should display more
> >>>>> info like JBoss IDE
> >>>>
> >>>> JBoss IDE's outline is useless IMAO. It shows far too much. After all,
> >>>> the goal of an outline view is to show you a summary that's good for
> >>>> navigation (among others). Although I'm not entirely sure how the
> >>>> outlook should look. It has to show #macro and #function, and that's
> >>>> already useful, but what else?
> >>>>
> >>>>> and your idea about freemaker-tool.jar is perhaps a good idea.
> >>>>
> >>>> (I wonder what's the proper term is. "tooling" or "tools"? Like
> >>>> "FreeMarker Tooling API" or "FreeMarker Tools API"... or even
> >>>> "tool-helpers"...)
> >>>>
> >>>>> I have not experimented a lot the capability of the DLTK ASTNode
> >>>>> but at the end of the http://wiki.eclipse.org/DLTK_Core_Architecture
> >>>>> it says "Use of the DLTK AST is not mandatory, but some DLTK
> >>>>> features like folding may rely on it and it can greatly simplify
> implementation."
> >>>>>
> >>>>> For the completion (interpolation) I don't use the ASTNode but I
> >>>>> think I should to use it (so I need a more complex AST).
> >>>>
> >>>> For that you need the variable names used, in a hierarchy. Like, on
> >>>> the top-level you have "user" and "department", but after "user." the
> >>>> possibilities are different, like "user.name" etc. If DLTK can
> extract
> >>>> such info from the AST, we might as well add that in ExpressionInfo.
> >>>> Also there's the case where some of the data-model variables has a
> >>>> known class (that's not a FreeMarker feature).
> >>>>
> >>>>> So I must switch to 2.3, my first idea is to try to remove the use
> >>>>> of DLTK ASTNode an dmanage other features like syntax errors and
> debug.
> >>>>>
> >>>>> Regards Angelo
> >>>>
> >>>> --
> >>>> Thanks,
> >>>>  Daniel Dekany
> >>>>
> >>>>
> >>>>
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> >>>>
> >>>
> >>>
> >>
> >> --
> >> Thanks,
> >>  Daniel Dekany
> >>
> >>
> >>
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> >>
> >
> >
> >
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>
> --
> Thanks,
>  Daniel Dekany
>
>
>
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-- 
Greg Amerson
Liferay Developer Tools
Liferay, Inc. www.liferay.com

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