unofficial mirror of bug-gnu-emacs@gnu.org 
 help / color / mirror / code / Atom feed
blob 1e4b621591f55bda8a9420c7c0e449f9c63472b8 6398 bytes (raw)
name: lisp/ob-fortran.el 	 # note: path name is non-authoritative(*)

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
 
;;; ob-fortran.el --- Babel Functions for Fortran    -*- lexical-binding: t; -*-

;; Copyright (C) 2011-2023 Free Software Foundation, Inc.

;; Authors: Sergey Litvinov
;;       Eric Schulte
;; Keywords: literate programming, reproducible research, fortran
;; URL: https://orgmode.org

;; This file is part of GNU Emacs.
;;
;; GNU Emacs 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 of the License, or
;; (at your option) any later version.

;; GNU Emacs 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.  If not, see <https://www.gnu.org/licenses/>.

;;; Commentary:

;; Org-Babel support for evaluating fortran code.

;;; Code:

(require 'org-load)
(org-assert-version)

(require 'ob)
(require 'org-macs)
(require 'cc-mode)
(require 'cl-lib)

(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 '())

(defcustom org-babel-fortran-compiler "gfortran"
  "Fortran command used to compile Fortran source code file."
  :group 'org-babel
  :package-version '(Org . "9.5")
  :type  'string)

(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-" org-babel-exeext))
         (cmdline (cdr (assq :cmdline params)))
         (flags (cdr (assq :flags params)))
         (full-body (org-babel-expand-body:fortran body params)))
    (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)) "")
    (let ((results
           (org-trim
            (org-remove-indentation
	     (org-babel-eval
	      (concat tmp-bin-file (if cmdline (concat " " cmdline) "")) "")))))
      (org-babel-reassemble-table
       (org-babel-result-cond (cdr (assq :result-params params))
	 (org-babel-read results)
         (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-pick-name
        (cdr (assq :colname-names params)) (cdr (assq :colnames params)))
       (org-babel-pick-name
        (cdr (assq :rowname-names params)) (cdr (assq :rownames params)))))))

(defun org-babel-expand-body:fortran (body params)
  "Expand a block of fortran or fortran code with org-babel according to
its header arguments."
  (let ((vars (org-babel--get-vars params))
        (main-p (not (string= (cdr (assq :main params)) "no")))
        (includes (or (cdr (assq :includes params))
                      (org-babel-read (org-entry-get nil "includes" t))))
        (defines (org-babel-read
                  (or (cdr (assq :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\\>" (capitalize body))
      (let ((vars (org-babel--get-vars params)))
	(when vars (error "Cannot use :vars if `program' statement 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)
  "Convert 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))
     ;; val is a matrix
     ((and (listp val) (cl-every #'listp val))
      (format "real, parameter :: %S(%d,%d) = transpose( reshape( %s , (/ %d, %d /) ) )\n"
	      var (length val) (length (car val))
	      (org-babel-fortran-transform-list val)
	      (length (car val)) (length val)))
     ((listp val)
      (format "real, parameter :: %S(%d) = %s\n"
	      var (length val) (org-babel-fortran-transform-list val)))
     (t
      (error "The type of parameter %s is not supported by ob-fortran" var)))))

(defun org-babel-fortran-transform-list (val)
  "Return a fortran representation of enclose syntactic lists."
  (if (listp val)
      (concat "(/" (mapconcat #'org-babel-fortran-transform-list val ", ") "/)")
    (format "%S" val)))

(provide 'ob-fortran)

;;; ob-fortran.el ends here

debug log:

solving 1e4b62159 ...
found 1e4b62159 in https://yhetil.org/emacs-bugs/871qi2mlnc.fsf@localhost/
found 2c050cb18 in https://git.savannah.gnu.org/cgit/emacs.git
preparing index
index prepared:
100644 2c050cb18a8cc1994bc3c08106672407d66a8cb2	lisp/ob-fortran.el

applying [1/1] https://yhetil.org/emacs-bugs/871qi2mlnc.fsf@localhost/
diff --git a/lisp/ob-fortran.el b/lisp/ob-fortran.el
index 2c050cb18..1e4b62159 100644

Checking patch lisp/ob-fortran.el...
Applied patch lisp/ob-fortran.el cleanly.

index at:
100644 1e4b621591f55bda8a9420c7c0e449f9c63472b8	lisp/ob-fortran.el

(*) Git path names are given by the tree(s) the blob belongs to.
    Blobs themselves have no identifier aside from the hash of its contents.^

Code repositories for project(s) associated with this public inbox

	https://git.savannah.gnu.org/cgit/emacs.git

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).