Getting the AST from your ANTLR grammar is super helpful.

--emi


On Wed, Oct 31, 2018 at 7:28 AM Peter Blemel <pble...@hotmail.com> wrote:

> Hi Mario,
>
> I have written 3 language plugins for Netbeans.  I think the answer to
> your question depends on what you want to do, and what you already have in
> hand.
>
> The Netbeans platform differentiates between support for lexing and
> support for parsing.  While I have not used JFlex, JFlex is a lexer / token
> generator.  You could add token coloring to NetBeans using it (glossing
> over details about how to adapt JFlex tokens to Netbeans).  Unlike a parser
> generator, JFlex won't parse syntax which by definition limits the
> functionality you'll be able to implement for your language users in the
> IDE.  As an aside, all of the JFlex web pages I've found without digging
> too deeply are circa 2011.
>
> JavaCC and ANTLR are parser generators that create parsers that in turn
> generate syntax trees (again, glossing over important implementation
> details).  In addition to finding errors in the users' input to support
> features like markup in the editor (as opposed to just coloring tokens with
> a lexer), components such as the Navigator need data that a parser can
> produce.
>
> In my case my integrations use JavaCC for no other reason other than that
> I had already written the parsers for my languages in JavaCC (first and
> second order predicate logic languages, and a music language), but having
> walked through the ANTLR tutorials it seems to be a matter of personal
> preference at the end of the day.  My suggestion is use whichever one
> you're familiar with, or in my case already have code for which saved me
> the step of re-writing grammars for different parser generators.
>
> I hope to be trying to migrate my language support to the Apache Netbeans
> platform soon, but other things have been persistently stuck at the top of
> my stack :-/.  At that point I will be able to speak to issues regarding
> JavaCC support moving forward.
>
> Best,
> Peter
>
> ________________________________
> From: Mario Schroeder <ma.schroe...@gmail.com>
> Sent: Tuesday, October 30, 2018 1:37 PM
> To: dev@netbeans.incubator.apache.org
> Subject: recommendation for language support
>
> Hi,
>
> I would appreciate when someone could set me on the right track. I'm
> wondering what is the best way to write a plugin with a support for a new
> language.
>
> I have found this old tutorial:
> http://wiki.netbeans.org/How_to_create_support_for_a_new_language
> It uses JavaCC. The tutorial is linked to another one, which makes use of
> ANTLR. When I have a look at NetBeans source code, there are some templates
> written with JFlex. So I'm confused. Which one should I use?
>
> I would prefer ANTLR, since there seems to be more documentation for it.
> Does anyone have a recommendation?
>
> Regards,
> Mario
>

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