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Re: [O] Babel support for Stan
From: |
Nicolas Goaziou |
Subject: |
Re: [O] Babel support for Stan |
Date: |
Mon, 24 Aug 2015 16:51:26 +0200 |
Hello,
Kyle Meyer <address@hidden> writes:
> I'd like to put ob-stan.el (attached) in the contrib directory. It adds
> support for the Stan [1] programming language. I wrote it a while back,
> but a recent post on the Stan ML [2] made me think that others may find
> it useful (although I'd guess that the intersection of Stan and Org
> users is quite small). It's short because the only output that really
> makes sense is to dump the contents to a file (and maybe compile it),
> which is then used by a downstream interface [3].
Thank you.
> Please let me know if you have any comments about the implementation or
> if you don't think contrib directory is a good place for it.
I think core is fine for new languages, but you need to update file
headers accordingly.
A few comments follow.
> (defun org-babel-execute:stan (body params)
> "Execute a block of Stan code with org-babel.
> A :file header argument must be given. If
> `org-babel-stan-cmdstan-directory' is non-nil and the file name
> does not have a \".stan\" extension, compile the block to file.
> Otherwise, write the Stan code to the file."
BODY and PARAMS references are missing from docstring.
> (let ((file (expand-file-name
> (or (cdr (assoc :file params))
Nitpick: `assoc' -> `:assq'.
> (user-error "Set :file argument to execute Stan blocks")))))
> (if (or (not org-babel-stan-cmdstan-directory)
> (org-string-match-p "\\.stan\\'" file))
> (with-temp-file file (insert body))
> (with-temp-file (concat file ".stan") (insert body))
> (let ((default-directory org-babel-stan-cmdstan-directory))
> (call-process-shell-command (concat "make " file))))
You don't use `org-babel-stan-cmdstan-directory' to store FILE, i.e.,
FILE is saved in current directory, or any directory provided in its
path, which doesn't necessarily match
`org-babel-stan-cmdstan-directory'. Yet, make is called on
`org-babel-stan-cmdstan-directory'.
Is it intentional?
> nil)) ;; Signal that output has been written to file.
Nitpick: one semi-colon only for end of line comments.
Regards,
--
Nicolas Goaziou