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Diffstat (limited to 'lisp/org/ob-fortran.el')
| -rw-r--r-- | lisp/org/ob-fortran.el | 162 |
1 files changed, 162 insertions, 0 deletions
diff --git a/lisp/org/ob-fortran.el b/lisp/org/ob-fortran.el new file mode 100644 index 00000000000..b2c97909671 --- /dev/null +++ b/lisp/org/ob-fortran.el @@ -0,0 +1,162 @@ +;;; ob-fortran.el --- org-babel functions for fortran + +;; Copyright (C) 2011 Sergey Litvinov, Eric Schulte + +;; Authors: Sergey Litvinov (based on ob-C.el by Eric Schulte), Eric Schulte +;; Keywords: literate programming, reproducible research, fortran +;; Homepage: http://orgmode.org +;; Version: 7.8.02 + +;; This program is free software; you can redistribute it and/or modify +;; it under the terms of the GNU General Public License as published by +;; the Free Software Foundation; either version 3, or (at your option) +;; any later version. +;; +;; This program is distributed in the hope that it will be useful, +;; but WITHOUT ANY WARRANTY; without even the implied warranty of +;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +;; GNU General Public License for more details. +;; +;; You should have received a copy of the GNU General Public License +;; along with GNU Emacs; see the file COPYING. If not, write to the +;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, +;; Boston, MA 02110-1301, USA. + +;;; Commentary: + +;; Org-Babel support for evaluating fortran code. + +;;; Code: +(require 'ob) +(require 'ob-eval) +(require 'cc-mode) + +(declare-function org-entry-get "org" + (pom property &optional inherit literal-nil)) + +(defvar org-babel-tangle-lang-exts) +(add-to-list 'org-babel-tangle-lang-exts '("fortran" . "F90")) + +(defvar org-babel-default-header-args:fortran '()) + +(defvar org-babel-fortran-compiler "gfortran" + "fortran command used to compile a fortran source code file into an + executable.") + +(defun org-babel-execute:fortran (body params) + "This function should only be called by `org-babel-execute:fortran'" + (let* ((tmp-src-file (org-babel-temp-file "fortran-src-" ".F90")) + (tmp-bin-file (org-babel-temp-file "fortran-bin-")) + (cmdline (cdr (assoc :cmdline params))) + (flags (cdr (assoc :flags params))) + (full-body (org-babel-expand-body:fortran body params)) + (compile + (progn + (with-temp-file tmp-src-file (insert full-body)) + (org-babel-eval + (format "%s -o %s %s %s" + org-babel-fortran-compiler + (org-babel-process-file-name tmp-bin-file) + (mapconcat 'identity + (if (listp flags) flags (list flags)) " ") + (org-babel-process-file-name tmp-src-file)) "")))) + ((lambda (results) + (org-babel-reassemble-table + (if (member "vector" (cdr (assoc :result-params params))) + (let ((tmp-file (org-babel-temp-file "f-"))) + (with-temp-file tmp-file (insert results)) + (org-babel-import-elisp-from-file tmp-file)) + (org-babel-read results)) + (org-babel-pick-name + (cdr (assoc :colname-names params)) (cdr (assoc :colnames params))) + (org-babel-pick-name + (cdr (assoc :rowname-names params)) (cdr (assoc :rownames params))))) + (org-babel-trim + (org-babel-eval + (concat tmp-bin-file (if cmdline (concat " " cmdline) "")) ""))))) + +(defun org-babel-expand-body:fortran (body params) + "Expand a block of fortran or fortran code with org-babel according to +it's header arguments." + (let ((vars (mapcar #'cdr (org-babel-get-header params :var))) + (main-p (not (string= (cdr (assoc :main params)) "no"))) + (includes (or (cdr (assoc :includes params)) + (org-babel-read (org-entry-get nil "includes" t)))) + (defines (org-babel-read + (or (cdr (assoc :defines params)) + (org-babel-read (org-entry-get nil "defines" t)))))) + (mapconcat 'identity + (list + ;; includes + (mapconcat + (lambda (inc) (format "#include %s" inc)) + (if (listp includes) includes (list includes)) "\n") + ;; defines + (mapconcat + (lambda (inc) (format "#define %s" inc)) + (if (listp defines) defines (list defines)) "\n") + ;; body + (if main-p + (org-babel-fortran-ensure-main-wrap + (concat + ;; variables + (mapconcat 'org-babel-fortran-var-to-fortran vars "\n") + body) params) + body) "\n") "\n"))) + +(defun org-babel-fortran-ensure-main-wrap (body params) + "Wrap body in a \"program ... end program\" block if none exists." + (if (string-match "^[ \t]*program[ \t]*.*" (capitalize body)) + (let ((vars (mapcar #'cdr (org-babel-get-header params :var)))) + (if vars (error "cannot use :vars if 'program' statment is present")) + body) + (format "program main\n%s\nend program main\n" body))) + +(defun org-babel-prep-session:fortran (session params) + "This function does nothing as fortran is a compiled language with no +support for sessions" + (error "fortran is a compiled languages -- no support for sessions")) + +(defun org-babel-load-session:fortran (session body params) + "This function does nothing as fortran is a compiled language with no +support for sessions" + (error "fortran is a compiled languages -- no support for sessions")) + +;; helper functions + +(defun org-babel-fortran-var-to-fortran (pair) + "fortranonvert an elisp val into a string of fortran code specifying a var +of the same value." + ;; TODO list support + (let ((var (car pair)) + (val (cdr pair))) + (when (symbolp val) + (setq val (symbol-name val)) + (when (= (length val) 1) + (setq val (string-to-char val)))) + (cond + ((integerp val) + (format "integer, parameter :: %S = %S\n" var val)) + ((floatp val) + (format "real, parameter :: %S = %S\n" var val)) + ((or (integerp val)) + (format "character, parameter :: %S = '%S'\n" var val)) + ((stringp val) + (format "character(len=%d), parameter :: %S = '%s'\n" + (length val) var val)) + ((listp val) + (format "real, parameter :: %S(%d) = %s\n" + var (length val) (ob-fortran-transform-list val))) + (t + (error (format "the type of parameter %s is not supported by ob-fortran" + var)))))) + +(defun ob-fortran-transform-list (val) + "Return a fortran representation of enclose syntactic lists." + (if (listp val) + (concat "(/" (mapconcat #'ob-fortran-transform-list val ", ") "/)") + (format "%S" val))) + +(provide 'ob-fortran) + +;;; ob-fortran.el ends here |