Izaak Beekman <ibeek...@umiacs.umd.edu> writes:
> How much work is it to support a new compiled langauge? I am interested in
> using org-babel for Fortran literate programming (LP). I am new to org-mode,
> but know a little bit of e-lisp, and might start hacking at this after some
> preliminary investigation. The main functionality I am looking for is pretty
> printing documentation, and code export (tangling).
Hi Izaak,
If you are just after export and tangling then you are in luck.
Prior to Org-babel, Org-mode already supported pretty fontified export
of code in any language that emacs understands. Use C-e for the export
dispatcher, which leads to e.g. html and latex export.
And to get tangling working for fortran, once org-babel is installed all
you need is
(org-babel-add-interpreter "fortran")
(add-to-list 'org-babel-tangle-langs '("fortran" "f"))
Here's the fortran src block I just tested. C-e b should bring up a
browser tab showing fontified code. You need to have the htmlize emacs
package loaded, which is in the org-mode contrib dir. And M-x
org-babel-tangle should create a fortran file containing the code, with
the .f extension replacing .org.
* fortran
Some fortran code taken from Wikipedia
#+begin_src fortran :tangle yes
FUNCTION string_concat(s1, s2) ! This is a comment
TYPE (string), INTENT(IN) :: s1, s2
TYPE (string) string_concat
string_concat%string_data = s1%string_data(1:s1%length) // &
s2%string_data(1:s2%length) ! This is a
continuation
string_concat%length = s1%length + s2%length
END FUNCTION string_concat
#+end_src
A couple of points about export: for CSS control over the html produced,
see the variables org-export-htmlize-output-type and
org-export-html-style. For latex, one can get fontified code by
including the listings package. See section 11.3 Literal Examples of the
manual.
As for full org-babel support for fortran, Eric Schulte (the main
org-babel author) has recently added support for compilation and
execution of C and C++, so you would definitely want to take a look at
org-babel-C.el (if you haven't already). He may have further advice.
Dan
>
> Izaak Beekman
> ===================================
> Princeton University Doctoral Candidate
> Mechanical and Aerospace Engineering
> ibeek...@princeton.edu
>
> UMD-CP Visiting Graduate Student
> Aerospace Engineering
> ibeek...@umiacs.umd.edu
> ibeek...@umd.edu
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