Has anybody had any luck teaching Emacs about Java syntax?
Last I looked there wasn't proper support for generics, or
try-with-resources, or lambdas.
When I say "proper support" I mean indentation and font-lock at a minimum.
On Mon, May 4, 2015 at 7:44 AM, Paul Landes <lan...@mailc.net> wrote:
> Thanks Rob for your comments.
>
> The main issue is there are not enough developers to get it back up to
> snuff--only maintain what we have. JDEE is very large and IMO it needs to
> be reduced to eliminate bloat and then expand through a more flexible
> plugin framework.
>
> It's been my plan for many years to fork it implementing some design
> changes but this is a lot of work all at one time for one person. It is
> even more work to keep use a new fork code base and continue developing
> Java with JDEE, which is what I currently do.
>
> Most of the original authors of JDEE don't write Java anymore, but if
> there is enough interest a new fork and I had others to help out I'd think
> more seriously about embarking on such a project in the shorter term.
>
> Basic technology stack I was thinking:
>
> - Maven :all builds, dependencies, project related stuff resides in a pom
> (regardless of if you choose to use maven as a build tool).
> - Clojure: I've been using Clojure now for the last year or so and have
> decided for very practical reasons to use it instead of a CommonLisp based
> JVM language (i.e. Armed Bear/ABCL)
> - Leiningen (http://leiningen.org): mostly for the Clojure Java
> integration side stuff but there might be something useful on the project
> setup side as well.
> - Cider: I'm currently using nrepl, but I hear this is the new direction
> for Clojure/Emacs integration.
> - Move semantic functionality to some JVM based API. Upside is this gets
> rid of some limitations and complexity of semantic, but increases
> complexity on the JVM side.
> - Investigate some of the Eclipse libraries (not IDE) to see if there
> could be some reuse. That said, I'm reluctant to do too much with this as
> a lot of their work involves dumping a JVM and reloading because of the way
> class loading works.
> - Move to Github
>
> Regarding the Eclipse libraries: Ideally there would be no class loading
> at all and we could use some library (written in Java or any other
> language) to do everything Beanshell currently does. The code generation
> would be straight forward, but the reflection would be hard since it
> currently uses ASM to compile and then class load what you've written.
> However, Eclipse is able to grok your code and do things like method
> completion before it successfully compiles it. I have to believe they have
> some library (or use a third party library) to do this and it doesn't
> involve class loading.
>
> I started to investigate dynamic class reloading in Clojure and I've found
> the facility does indeed exist, but is less accessible. I started to look
> at a library on git that makes class loading straight forward, but it
> appears this library is no longer compat with newer versions of Clojure.
>
> If there are any volunteers, i.e. someone more familiar with the Eclipse
> code base, maybe someone can look into what libraries would work.
>
> In the past, discussion like this has lead to more discussion but no
> action. Maybe something will change.
>
>
>
> On May 1, 2015, at 6:45 PM, Rob Sargent <robjsarg...@gmail.com> wrote:
>
> Javier,
> You have hit the usual bumps. Some, with persistence you will smooth out.
> Others, no so much. There may or may not be current effort on JDEE, I
> cannot really tell.
>
> I can however assure you that your 'long term commitment to emacs' will
> reward you many fold. Don't be afraid to use to the ides (Eclipse,
> NetBeans are free and powerful alternatives to IntelliJ). They do their
> one job well. They all suck as editors. Turn on auto-revert-mode for your
> java files and any edit's you do make in the ide will be seen in emacs.
> Learn emacs' flavour of auto-complete (dabbrev and others). Rectangles and
> serious macros and so much more await you.
>
> And maybe someday you will help in getting jdee back up to snuff.
>
> On 05/01/2015 04:19 PM, Javier Mares Romero wrote:
>
> Good people of JDEE,
>
> I'm a new user and, even though I can compile, upon emacs startup I get
> the following errors:
>
> Package lmenu is obsolete!
>
> Package sregex is obsolete!
>
> And when I try to compile, I get:
>
> The JDE does not recognize JDK 1.8 javac. Assume JDK 1.6 javac?(yes or no)
>
> Upon saying yes, it seems to compile just fine.
>
> Environment data:
>
> - OSX Yosemite
>
> - Emacs 24.4.1
>
> - JDK 8u45
>
> This is my entire .emacs file:
>
> ;; Load JDEE code and use it when loading Java source files.
> (add-to-list 'load-path "~/.emacs.d/jdee-2.4.1/lisp")
>
> (load "jde")
>
> How can I fix these? Is this a problem?
>
> Even though I'm relatively new to Emacs and software engineering, I have
> come to believe in long term commitment to emacs. I would therefore like to
> ask you: What do you think of the features mentioned in this article
> <http://henrikwarne.com/2012/06/17/programmer-productivity-emacs-versus-intellij-idea/>,
> features which IntelliJ possesses and Emacs currently lacks? Many of them
> seem quite useful. Is there a chance they will eventually become available
> in Emacs?
>
> Thank you very much.
>
> My best,
> Javier
>
>
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