I'm currently reading Practical Common Lisp. The book is great and the language interesting, but I'm not enamored of learning Emacs. I've learned Vim and that's enough text-mode editors for one brain. I don't want to learn another. Double-control commands hurt my head. What's the best non-Emacs solution for programming Lisp on Windows?
Best free and non-emacs Common Lisp IDE is CUSP (IDE for Lisp built on Eclipse platform).
Try LispWorks
Try viper-mode, perhaps.
Limp for Vim.
http://www.vim.org/scripts/script.php?script_id=2219
Try Slime for Vim: http://technotales.wordpress.com/2007/10/03/like-slime-for-vim/ . Works great!
You could also use the Allegro CL environment.
Related
The existing emacs mode for Noweb is very old and suffers from a lot of problems. To either fix the problems or write a new mode calls for knowledge of indirect buffers. I have found one example, the command org-mode-tree-to-indirect-buffer.
Where can I find other good examples for learning how to program Emacs features that use indirect buffers?
An interesting use-case should be here:
https://github.com/phillord/lentic
I love the Ironclad cryptography library for Common Lisp. Out of curiosity, has anyone implemented this library into their Emacs Lisp project? In researching this question, I suspected there would be too much work to make it compatible with a pure Emacs Lips project, but a hybrid Elisp and CL project might also be an option for what I need to do.
Some of the functionality of ironclad is built-in to Emacs via the secure-hash and md5 functions. http://www.gnu.org/software/emacs/manual/html_node/elisp/Checksum_002fHash.html has more information.
These functions are written in C. I don't know for sure, but it seems like Emacs Lisp's slow speed and small fixnums would be a real obstacle for doing this work directly in pure elisp.
Emacs is the IDE of choice for programming Erlang.
There are plenty of good modes (distel, erlware-mode, the default erlang mode,...), but what are your recommendations for setting up Emacs for professional Erlang development?
Set up erlang-mode as described in the README, and then activate Flymake:
(require 'erlang-flymake)
That gives you highlighting of warnings and errors as you type.
I'd recommend using erlang-mode from the latest Erlang/OTP release (R14A as I type this), regardless of what release you normally use, as it evolves quite rapidly and is now just as good as erlware-mode, IMHO.
If you're using Emacs 24 or later, I recommend installing erlang-mode from MELPA. The 'erlang' package tracks the 'maint' branch of the Erlang/OTP Git repository, so it is always reasonably up-to-date.
If you want more than erlang-mode offers, a possible alternative to Distel is EDTS, the Erlang Development Tool Suite. To quote the readme file:
EDTS is meant to be a able to replace Distel but only provides part of the most
commonly used of Distel's features, specifically the equivalents of
erl-find-module, erl-find-source-under-point, erl-who-calls and
erl-refactor-subfunction. As far as I know, those are the only Distel features
that 98% of people use, but if there is anything from Distel that you are
missing in EDTS, please let me know.
If you are using EDTS, please remove Distel from your configuration, since
running both can create some confusion.
Look onto this article about different packages for work with Erlang from Emacs. I personally use erlware-mode + distel
erlang.el (for indentation and font-locking) and Distel (debugger, M-. etc.) are essential. ESense, I've never used, and I've no idea what the erlware mode does. You may want to use some of the standard Emacs utilities (flymake, interface to version control, and so forth) when writing Erlang.
I've found erlang-mode ok but it doesn't support kerl (which is a useful thing, kinda like rvm for erlang, except it works).
So I started this:
https://github.com/nicferrier/emacs-erlang-extras
which supports multiple erlangs.
I'm intending that it will support rebar as well:
https://github.com/rebar/rebar/wiki/Getting-started
I found out ESense on emacswiki. Might worth a try.
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Should I learn to use Emacs with no intention to learn Lisp, if my other option is to get familiar with vi?
Yes. With all the resources out there (FAQ, Emacs wiki, and the Stack Exchange Emacs site) and custom (M-x custom). You don't need to know Lisp. You just cut/paste what you find.
You can drive a Ferrari/Yugo without knowing the internals of the combustion engine or how a Formula One transmission works...
Why not?
You can still learn vi (probably Vim or Elvis).
You can learn jEdit. Or nano and Pico. Or whatever other editor, environment, and language-host you fancy.
Why put such an arbitrary restriction on things? While your Emacs experience will be better if you learn at least basic Emacs Lisp (a .. derelict .. Lisp implementation), it's not required. But at the end of the day, it's a tool. Get as many useful tools as you can. "Useful" also really depends on context.
I have used Emacs for several years with next to no knowledge of Lisp and it served me well for all of the projects I used it for.
You can always simply assume that the configuration you're writing is not in Emacs Lisp and that it is just some funny configuration format - there a lot stranger examples out there (such as Sendmail).
I should warn you though that once I started learning Emacs Lisp my Emacs mastery expanded extremely rapidly - now that I understand the details of the language I can easily bend any configuration to my needs and more importantly I started writing my own extension to Emacs, which add to it even more capabilities.
If you decided to start with Emacs, I recommend to read first this great book - it taught me a lot of things for Emacs at the beginning and it assumes no Lisp knowledge. It won't teach you any Lisp either. Afterwards my advice would be read the official Emacs manual and start exploring the Emacs Wiki and #emacs on Freenode.
Learning Emacs truly is a journey that is not for the faint of heart, but it is journey that is most certainly worth it...
Configuring Emacs is a journey, and it's something that you're going to want to do. Being able to customize your developing environment is one of Emacs' greatest strengths. It's almost unavoidable. You pick up bits and pieces just by looking at other people's .emacs files.
Knowing just a little bit of Lisp goes a long way in Emacs.
You don't need to learn Lisp to use Emacs. Even basic customization of Emacs works fine without Lisp knowledge. If you need something beyond your capabilities, there are many helpful Emacs users.
Learning a bit Emacs Lisp will later enhance your understanding of Emacs.
Emacs Lisp is a relatively simple Lisp dialect. Basic Emacs Lisp is not that difficult to learn. As an experienced Lisp user I have to say that Emacs is available quite some time and the users have written some amazing things in Emacs (like Org-mode). Some of the Emacs extensions are very very well written and it is a pleasure to read the code.
Well, if you don't want to customize your Emacs, you won't need Lisp, either. And you can also do some basic modifications using the build-in customize functionality and by copy&pasting code of others. But truth being: I have written several hundreds of lines of code to customize Emacs to suit my needs. On the other side, as far as I know, vi is not as customizable as Emacs, so in the end it is probably more about what editor you like more and you should try both.
I know little Lisp and use Emacs to edit my C and OCaml programs on Windows and Linux.
I've been using Emacs for a year and a half, and really only picked up whatever Emacs Lisp came without trying. I have a heavily extended set of configurations (first in a .emacs file, and now in ~/.emacs.d/init.el and friends), which are totally a result of cutting and pasting from the excellent resources found online.
Aside from, of course, the EmacsWiki, you should see the fine Emacs Starters Kit and subscribe to Planet Emacsen --- preferably in a feed reader. It's prettier.
Having said that, after you have a working setup you might yield to the temptation to learn a little Emacs Lisp. I've just started the free Introduction to Programming In Emacs Lisp, which comes with Emacs and is best read from within Emacs Info. It assumes neither programming ability nor Lisp knowledge, and is a friendly introduction to the 'vibe' of Emacs Lisp which I find to be well-written in the extreme, friendly and concise, and worth 10x every minute I have spent with it.
I'm learning Emacs Lisp and I came across this decade old post saying that at some point Guile (Scheme) will replace Emacs Lisp, or Emacs will be rewritten with Guile.
https://web.archive.org/web/20081201143448/http://sanpietro.red-bean.com/guile/guile/old/3114.html
I was wondering if this is still a possibility, and if developers should be trying to write Elisp with this in mind? The original goal was for Guile to be backwards compatible with Elisp, but it seems like developing Scheme is the better choice.
It should be possible after Guile 2.0 is released to use Guile with Emacs. The current pre-release supports ecmascript as well as scheme and there is apparently an elisp branch also but I haven't looked into it. Once Guile fully supports elisp it shouldn't be too hard to replace the current elisp interpreter with Guile. The real question is whether or not people are going to rewrite their customizations and add-ons in scheme or just continue to use elisp. Regardless, Guile 2.0 should make the possibility of a Guile Emacs much closer to reality than any other development in the past 10 years.
Guile 2.0.0 (released 2011-02-06) supports Emacs Lisp.
You can switch at the repl like so:
scheme#(guile-user)> ,language elisp
Happy hacking with Emacs Lisp! To switch back, type `,L scheme'.
elisp#(guile-user)> (eq 1 2)
$1 = #nil
As to if/when someone is going to do some surgery on Emacs to extract elisp and drop in Guile-in-elisp-mode: the Guile 2.0.2 reference manual suggests this is the plan but it's not ready yet:
We hope that eventually Guile's
implementation of Elisp will be good
enough to replace Emacs' own
implementation of Elisp.
guile and emacs, again - updated Emacs src, using non-hacked Guile, 23 Aug 2009
PS: I was noticing recently that my first
commit to the Emacs source tree
relating to this project was on
1999-08-28, just shy of ten years ago.
I'm not sure if I should celebrate or
be depressed on Friday.
http://lists.gnu.org/archive/html/guile-devel/2009-08/msg00163.html
There have been some interesting discussions on this topic in recent times:
http://lists.gnu.org/archive/html/emacs-devel/2010-04/msg00665.html
http://wingolog.org/archives/2010/04/02/recent-developments-in-guile
I wouldn't worry too much about it. There are a couple of projects to use Guile with Emacs, but I sense that they're not mainline supported. As one of the developers of one of the projects observed, no one will switch unless all their existing elisp runs flawlessly in the new engine, which is a pretty tall task.
Not that it will never happen, it's just been 'in the clouds' for a few years.
Using a VM like parrot seems more interesting for the future than Guile as Parrot VM can handle many different dynamic languages and each language can reuse what has been developed in another language.
The work left to be done is :
adding emacs low-level concepts and functions to Parrot VM (basic elisp types like the buffer type, window, frame...)
creating an elisp language port to Parrot VM.
With such functionalities you could have all legacy elisp code running on Parrot VM without any porting issues, and new code could be developed and reused by any language supported by Parrot VM.