summaryrefslogtreecommitdiff
path: root/elpa/org-9.5.2/ob-fortran.el
diff options
context:
space:
mode:
Diffstat (limited to 'elpa/org-9.5.2/ob-fortran.el')
-rw-r--r--elpa/org-9.5.2/ob-fortran.el170
1 files changed, 170 insertions, 0 deletions
diff --git a/elpa/org-9.5.2/ob-fortran.el b/elpa/org-9.5.2/ob-fortran.el
new file mode 100644
index 0000000..2e55498
--- /dev/null
+++ b/elpa/org-9.5.2/ob-fortran.el
@@ -0,0 +1,170 @@
+;;; ob-fortran.el --- Babel Functions for Fortran -*- lexical-binding: t; -*-
+
+;; Copyright (C) 2011-2021 Free Software Foundation, Inc.
+
+;; Authors: Sergey Litvinov
+;; Eric Schulte
+;; Keywords: literate programming, reproducible research, fortran
+;; Homepage: 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 '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