Dear all,
I would like to announce that Org-babel now supports the Oz
programming language.
Org mode (http://orgmode.org/) is an Emacs mode for fast and effective
authoring of plain-text (among other things). For example, you write
with a convenient wiki-like syntax, easily move around text blocks,
"fold" sections you are not working on currently, export the resulting
text to various formats including HTML and PDF (articles and projector
slides), etc.
Org-babel (http://orgmode.org/worg/org-contrib/babel/) extends this
Org mode by adding support for executing code of various programming
languages directly within your text documents. It can be used, for
example to write papers that involve code where this code is actually
part of the document and results in the text are created directly
using that code (e.g., for programming tutorials, or for Reproducible
Research http://reproducibleresearch.net/index.php/Main_Page), to
practice Literate Programming (http://en.wikipedia.org/wiki/Literate_programming
), among other uses described in the Org-babel tutorial (http://orgmode.org/worg/org-contrib/babel/intro.php
) and further documentation (http://orgmode.org/worg/org-contrib/babel/uses.php
).
Org-babel-oz (http://orgmode.org/worg/org-contrib/babel/languages/org-babel-doc-oz.php
) extends Org-babel by support for Oz. Code blocks contain either an
Oz statement or an Oz expression. While this code is part of an Org
mode file, it is opened in a temporary Oz mode buffer with a single
Emacs short-cut (C-c '), so all OPI facilities are there for editing
this code. Also, Oz code blocks can be executed (fed) with a single
short-cut (C-c C-). For statements, such an execution behaves exactly
like feeding a region under the OPI. For expressions, Org-babel-oz
communicates with the OPI via an additional socket, and results are
automatically inserted in the Org file. See the documentation linked
above for further details. Note that the Org-babel-oz documentation
page is updated in a few hours (instead of showing the actual Org-
babel "markup" for the Oz code blocks, only the Oz code itself has
been exported to HTML).
I am already using Org-babel-oz for writing documentation for my own
software, and I can report that it works very nicely for me :)
However, feeding Oz expressions is not quite stable yet and I would
like you help here. For executing/feeding Oz statements I am indeed
using the Emacs Lisp function used by the OPI for feeding, namely oz-
send-string (defined in mozart/share/elisp/mozart.el.in).
Is it possible to also feed Emacs Lisp expressions in the OPI? I did
not find any Emacs Lisp function for that, and therefore rolled my own
(it talks to the OPI compiler instance via a socket as mentioned
before). However, my approach breaks, e.g., if the OPI compiler is
halted and restarted (which is something I am doing rather
frequently). So, does the current OPI Emacs Lisp code perhaps somehow
provide the functionality for feeding expression, so that I could use
that OPI functionality instead? Alternatively, does anyone have an
idea how to create an interface between the OPI compiler and Emacs
Lisp that does not break so easily?
If you want to see the Org-babel-oz code, it is only two relatively
short files available here.
http://repo.or.cz/w/org-mode.git/blob/HEAD:/contrib/babel/lisp/langs/org-babel-oz.el
http://repo.or.cz/w/org-mode.git/blob/HEAD:/contrib/scripts/StartOzServer.oz
Thank you!
Best wishes,
Torsten
--
Torsten Anders
Interdisciplinary Centre for Computer Music Research
University of Plymouth
Office: +44-1752-586219
Private: +44-1752-558917
http://strasheela.sourceforge.net
http://www.torsten-anders.de
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