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6e534f9c61
This fixes a wrong merge that should not have happened: commit 7e903a merges the master branch into the maint branch, while we really want to keep the maint branch a bugfix-only branch. This commit reverts back the maint branch to its state before merging the master branch. From there, we will fix remaining problems with the maint branch (e.g. copyright issues) then release this maint branch as Org-mode 7.8.05.
151 lines
5 KiB
EmacsLisp
151 lines
5 KiB
EmacsLisp
;;; ob-asymptote.el --- org-babel functions for asymptote evaluation
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;; Copyright (C) 2009-2011 Free Software Foundation, Inc.
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;; Author: Eric Schulte
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;; Keywords: literate programming, reproducible research
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;; Homepage: http://orgmode.org
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;; This file is part of GNU Emacs.
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;; GNU Emacs is free software: you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;; GNU Emacs is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
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;;; Commentary:
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;; Org-Babel support for evaluating asymptote source code.
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;;
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;; This differs from most standard languages in that
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;;
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;; 1) there is no such thing as a "session" in asymptote
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;;
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;; 2) we are generally only going to return results of type "file"
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;;
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;; 3) we are adding the "file" and "cmdline" header arguments, if file
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;; is omitted then the -V option is passed to the asy command for
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;; interactive viewing
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;;; Requirements:
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;; - The asymptote program :: http://asymptote.sourceforge.net/
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;;
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;; - asy-mode :: Major mode for editing asymptote files
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;;; Code:
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(require 'ob)
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(eval-when-compile (require 'cl))
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(declare-function orgtbl-to-generic "org-table" (table params))
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(declare-function org-combine-plists "org" (&rest plists))
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(defvar org-babel-tangle-lang-exts)
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(add-to-list 'org-babel-tangle-lang-exts '("asymptote" . "asy"))
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(defvar org-babel-default-header-args:asymptote
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'((:results . "file") (:exports . "results"))
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"Default arguments when evaluating an Asymptote source block.")
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(defun org-babel-execute:asymptote (body params)
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"Execute a block of Asymptote code.
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This function is called by `org-babel-execute-src-block'."
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(let* ((result-params (split-string (or (cdr (assoc :results params)) "")))
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(out-file (cdr (assoc :file params)))
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(format (or (and out-file
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(string-match ".+\\.\\(.+\\)" out-file)
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(match-string 1 out-file))
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"pdf"))
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(cmdline (cdr (assoc :cmdline params)))
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(in-file (org-babel-temp-file "asymptote-"))
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(cmd
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(concat "asy "
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(if out-file
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(concat
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"-globalwrite -f " format
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" -o " (org-babel-process-file-name out-file))
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"-V")
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" " cmdline
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" " (org-babel-process-file-name in-file))))
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(with-temp-file in-file
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(insert (org-babel-expand-body:generic
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body params
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(org-babel-variable-assignments:asymptote params))))
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(message cmd) (shell-command cmd)
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nil)) ;; signal that output has already been written to file
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(defun org-babel-prep-session:asymptote (session params)
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"Return an error if the :session header argument is set.
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Asymptote does not support sessions"
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(error "Asymptote does not support sessions"))
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(defun org-babel-variable-assignments:asymptote (params)
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"Return list of asymptote statements assigning the block's variables"
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(mapcar #'org-babel-asymptote-var-to-asymptote
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(mapcar #'cdr (org-babel-get-header params :var))))
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(defun org-babel-asymptote-var-to-asymptote (pair)
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"Convert an elisp value into an Asymptote variable.
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The elisp value PAIR is converted into Asymptote code specifying
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a variable of the same value."
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(let ((var (car pair))
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(val (let ((v (cdr pair)))
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(if (symbolp v) (symbol-name v) v))))
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(cond
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((integerp val)
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(format "int %S=%S;" var val))
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((floatp val)
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(format "real %S=%S;" var val))
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((stringp val)
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(format "string %S=\"%s\";" var val))
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((and (listp val) (not (listp (car val))))
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(let* ((type (org-babel-asymptote-define-type val))
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(fmt (if (eq 'string type) "\"%s\"" "%s"))
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(vect (mapconcat (lambda (e) (format fmt e)) val ", ")))
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(format "%s[] %S={%s};" type var vect)))
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((listp val)
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(let* ((type (org-babel-asymptote-define-type val))
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(fmt (if (eq 'string type) "\"%s\"" "%s"))
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(array (mapconcat (lambda (row)
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(concat "{"
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(mapconcat (lambda (e) (format fmt e))
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row ", ")
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"}"))
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val ",")))
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(format "%S[][] %S={%s};" type var array))))))
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(defun org-babel-asymptote-define-type (data)
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"Determine type of DATA.
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DATA is a list. Return type as a symbol.
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The type is `string' if any element in DATA is
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a string. Otherwise, it is either `real', if some elements are
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floats, or `int'."
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(let* ((type 'int)
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find-type ; for byte-compiler
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(find-type
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(function
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(lambda (row)
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(catch 'exit
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(mapc (lambda (el)
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(cond ((listp el) (funcall find-type el))
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((stringp el) (throw 'exit (setq type 'string)))
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((floatp el) (setq type 'real))))
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row))))))
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(funcall find-type data) type))
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(provide 'ob-asymptote)
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;;; ob-asymptote.el ends here
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