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1 | ;;; ob-fortran.el --- org-babel functions for fortran |
2 | ||
ba318903 | 3 | ;; Copyright (C) 2011-2014 Free Software Foundation, Inc. |
e66ba1df | 4 | |
dfd98937 BG |
5 | ;; Authors: Sergey Litvinov |
6 | ;; Eric Schulte | |
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7 | ;; Keywords: literate programming, reproducible research, fortran |
8 | ;; Homepage: http://orgmode.org | |
e66ba1df | 9 | |
74bfe42a | 10 | ;; This file is part of GNU Emacs. |
8223b1d2 | 11 | ;; |
74bfe42a | 12 | ;; GNU Emacs is free software: you can redistribute it and/or modify |
e66ba1df | 13 | ;; it under the terms of the GNU General Public License as published by |
74bfe42a GM |
14 | ;; the Free Software Foundation, either version 3 of the License, or |
15 | ;; (at your option) any later version. | |
16 | ||
17 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
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18 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of |
19 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
20 | ;; GNU General Public License for more details. | |
74bfe42a | 21 | |
e66ba1df | 22 | ;; You should have received a copy of the GNU General Public License |
74bfe42a | 23 | ;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. |
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24 | |
25 | ;;; Commentary: | |
26 | ||
27 | ;; Org-Babel support for evaluating fortran code. | |
28 | ||
29 | ;;; Code: | |
30 | (require 'ob) | |
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31 | (require 'cc-mode) |
32 | ||
33 | (declare-function org-entry-get "org" | |
34 | (pom property &optional inherit literal-nil)) | |
271672fa | 35 | (declare-function org-every "org" (pred seq)) |
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36 | |
37 | (defvar org-babel-tangle-lang-exts) | |
38 | (add-to-list 'org-babel-tangle-lang-exts '("fortran" . "F90")) | |
39 | ||
40 | (defvar org-babel-default-header-args:fortran '()) | |
41 | ||
42 | (defvar org-babel-fortran-compiler "gfortran" | |
43 | "fortran command used to compile a fortran source code file into an | |
44 | executable.") | |
45 | ||
46 | (defun org-babel-execute:fortran (body params) | |
47 | "This function should only be called by `org-babel-execute:fortran'" | |
48 | (let* ((tmp-src-file (org-babel-temp-file "fortran-src-" ".F90")) | |
8223b1d2 | 49 | (tmp-bin-file (org-babel-temp-file "fortran-bin-" org-babel-exeext)) |
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50 | (cmdline (cdr (assoc :cmdline params))) |
51 | (flags (cdr (assoc :flags params))) | |
52 | (full-body (org-babel-expand-body:fortran body params)) | |
53 | (compile | |
54 | (progn | |
55 | (with-temp-file tmp-src-file (insert full-body)) | |
56 | (org-babel-eval | |
57 | (format "%s -o %s %s %s" | |
58 | org-babel-fortran-compiler | |
59 | (org-babel-process-file-name tmp-bin-file) | |
60 | (mapconcat 'identity | |
61 | (if (listp flags) flags (list flags)) " ") | |
62 | (org-babel-process-file-name tmp-src-file)) "")))) | |
666ffc7e SM |
63 | (let ((results |
64 | (org-babel-trim | |
65 | (org-babel-eval | |
66 | (concat tmp-bin-file (if cmdline (concat " " cmdline) "")) "")))) | |
67 | (org-babel-reassemble-table | |
68 | (org-babel-result-cond (cdr (assoc :result-params params)) | |
69 | (org-babel-read results) | |
70 | (let ((tmp-file (org-babel-temp-file "f-"))) | |
71 | (with-temp-file tmp-file (insert results)) | |
72 | (org-babel-import-elisp-from-file tmp-file))) | |
73 | (org-babel-pick-name | |
74 | (cdr (assoc :colname-names params)) (cdr (assoc :colnames params))) | |
75 | (org-babel-pick-name | |
76 | (cdr (assoc :rowname-names params)) (cdr (assoc :rownames params))))))) | |
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77 | |
78 | (defun org-babel-expand-body:fortran (body params) | |
79 | "Expand a block of fortran or fortran code with org-babel according to | |
80 | it's header arguments." | |
81 | (let ((vars (mapcar #'cdr (org-babel-get-header params :var))) | |
82 | (main-p (not (string= (cdr (assoc :main params)) "no"))) | |
83 | (includes (or (cdr (assoc :includes params)) | |
84 | (org-babel-read (org-entry-get nil "includes" t)))) | |
85 | (defines (org-babel-read | |
86 | (or (cdr (assoc :defines params)) | |
87 | (org-babel-read (org-entry-get nil "defines" t)))))) | |
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88 | (mapconcat 'identity |
89 | (list | |
90 | ;; includes | |
91 | (mapconcat | |
92 | (lambda (inc) (format "#include %s" inc)) | |
93 | (if (listp includes) includes (list includes)) "\n") | |
94 | ;; defines | |
95 | (mapconcat | |
96 | (lambda (inc) (format "#define %s" inc)) | |
97 | (if (listp defines) defines (list defines)) "\n") | |
98 | ;; body | |
99 | (if main-p | |
100 | (org-babel-fortran-ensure-main-wrap | |
101 | (concat | |
102 | ;; variables | |
103 | (mapconcat 'org-babel-fortran-var-to-fortran vars "\n") | |
104 | body) params) | |
105 | body) "\n") "\n"))) | |
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106 | |
107 | (defun org-babel-fortran-ensure-main-wrap (body params) | |
108 | "Wrap body in a \"program ... end program\" block if none exists." | |
109 | (if (string-match "^[ \t]*program[ \t]*.*" (capitalize body)) | |
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110 | (let ((vars (mapcar #'cdr (org-babel-get-header params :var)))) |
111 | (if vars (error "Cannot use :vars if 'program' statement is present")) | |
112 | body) | |
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113 | (format "program main\n%s\nend program main\n" body))) |
114 | ||
115 | (defun org-babel-prep-session:fortran (session params) | |
116 | "This function does nothing as fortran is a compiled language with no | |
117 | support for sessions" | |
8223b1d2 | 118 | (error "Fortran is a compiled languages -- no support for sessions")) |
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119 | |
120 | (defun org-babel-load-session:fortran (session body params) | |
121 | "This function does nothing as fortran is a compiled language with no | |
122 | support for sessions" | |
8223b1d2 | 123 | (error "Fortran is a compiled languages -- no support for sessions")) |
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124 | |
125 | ;; helper functions | |
126 | ||
127 | (defun org-babel-fortran-var-to-fortran (pair) | |
27e428e7 | 128 | "Convert an elisp val into a string of fortran code specifying a var |
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129 | of the same value." |
130 | ;; TODO list support | |
131 | (let ((var (car pair)) | |
132 | (val (cdr pair))) | |
133 | (when (symbolp val) | |
134 | (setq val (symbol-name val)) | |
135 | (when (= (length val) 1) | |
136 | (setq val (string-to-char val)))) | |
137 | (cond | |
138 | ((integerp val) | |
139 | (format "integer, parameter :: %S = %S\n" var val)) | |
140 | ((floatp val) | |
141 | (format "real, parameter :: %S = %S\n" var val)) | |
142 | ((or (integerp val)) | |
143 | (format "character, parameter :: %S = '%S'\n" var val)) | |
144 | ((stringp val) | |
145 | (format "character(len=%d), parameter :: %S = '%s'\n" | |
146 | (length val) var val)) | |
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147 | ;; val is a matrix |
148 | ((and (listp val) (org-every #'listp val)) | |
149 | (format "real, parameter :: %S(%d,%d) = transpose( reshape( %s , (/ %d, %d /) ) )\n" | |
150 | var (length val) (length (car val)) | |
151 | (org-babel-fortran-transform-list val) | |
152 | (length (car val)) (length val))) | |
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153 | ((listp val) |
154 | (format "real, parameter :: %S(%d) = %s\n" | |
8223b1d2 | 155 | var (length val) (org-babel-fortran-transform-list val))) |
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156 | (t |
157 | (error (format "the type of parameter %s is not supported by ob-fortran" | |
158 | var)))))) | |
159 | ||
8223b1d2 | 160 | (defun org-babel-fortran-transform-list (val) |
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161 | "Return a fortran representation of enclose syntactic lists." |
162 | (if (listp val) | |
8223b1d2 | 163 | (concat "(/" (mapconcat #'org-babel-fortran-transform-list val ", ") "/)") |
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164 | (format "%S" val))) |
165 | ||
166 | (provide 'ob-fortran) | |
167 | ||
168 | ;;; ob-fortran.el ends here |