/usr/share/emacs/site-lisp/ocp-indent.el is in ocp-indent 1.5.3-2build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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 | ;;; ocp-indent.el --- automatic indentation with ocp-indent
;;
;; Copyright 2012-2013 OCamlPro
;; Keywords: ocaml languages
;; URL: http://www.typerex.org/ocp-indent.html
;; All rights reserved.This file is distributed under the terms of the
;; GNU Lesser General Public License version 3.0 with linking
;; exception.
;; TypeRex 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
;; Lesser GNU General Public License for more details.
;;
;;; Commentary:
;; Description:
;; ocp-indent is a simple tool and library to indent OCaml code.
;; Installation:
;; You need ocp-indent installed on you system to work.
;; Usage:
;; Eval this file to automatically use ocp-indent on caml/tuareg buffers.
;;; Code:
(require 'cl)
(defgroup ocp-indent nil
"ocp-indent OCaml indenter binding configuration"
:group 'languages)
(defcustom ocp-indent-path "ocp-indent"
"*Path to access the ocp-indent command"
:group 'ocp-indent :type '(file))
(defcustom ocp-indent-config nil
"*Ocp-indent config string, as for its --config option.
WARNING: DEPRECATED, this will override any user or project
ocp-indent configuration files"
:group 'ocp-indent
:type '(choice (const nil) (string)))
(defcustom ocp-indent-syntax nil
"*Enabled syntax extensions for ocp-indent (see option --syntax)"
:group 'ocp-indent
:type '(repeat string))
(defcustom ocp-indent-allow-tabs nil
"*Allow indent-tabs-mode in ocaml buffers. Not recommended, won't work well."
:group 'ocp-indent
:type '(bool))
(defun ocp-in-indentation-p ()
"Tests whether all characters between beginning of line and point
are blanks."
(save-excursion
(skip-chars-backward " \t")
(bolp)))
(defun ocp-indent-args (start-line end-line)
(append
(list "--numeric"
"--lines" (format "%d-%d" start-line end-line))
(if ocp-indent-config (list "--config" ocp-indent-config) nil)
(reduce (lambda (acc syn) (list* "--syntax" syn acc))
ocp-indent-syntax :initial-value nil)))
(defun ocp-indent-file-to-string (file)
(replace-regexp-in-string
"\n$" ""
(with-temp-buffer (insert-file-contents file)
(buffer-string))))
(defun ocp-indent-region (start end)
(interactive "r")
(let*
((start-line (line-number-at-pos start))
(end-line (line-number-at-pos end))
(errfile (expand-file-name (make-temp-name "ocp-indent-error")
temporary-file-directory))
(indents-str
(with-output-to-string
(if (/= 0
(apply 'call-process-region
(point-min) (point-max) ocp-indent-path nil
(list standard-output errfile) nil
(ocp-indent-args start-line end-line)))
(error "Can't indent: %s returned failure" ocp-indent-path))))
(indents (mapcar 'string-to-number (split-string indents-str))))
(when (file-exists-p errfile)
(message (ocp-indent-file-to-string errfile))
(delete-file errfile))
(save-excursion
(goto-char start)
(mapcar
#'(lambda (indent) (indent-line-to indent) (forward-line))
indents))
(when (ocp-in-indentation-p) (back-to-indentation))))
(defun ocp-indent-line ()
(interactive nil)
(ocp-indent-region (point) (point)))
(defun ocp-indent-buffer ()
(interactive nil)
(ocp-indent-region 0 (buffer-size)))
;;;###autoload
(defun ocp-setup-indent ()
(interactive nil)
(unless (and (buffer-file-name)
(string= (file-name-extension (buffer-file-name)) "mly"))
(unless ocp-indent-allow-tabs (set 'indent-tabs-mode nil))
(when (string= (file-name-extension (buffer-file-name)) "mll")
(set (make-local-variable 'ocp-indent-syntax)
(cons "mll" ocp-indent-syntax)))
(set (make-local-variable 'indent-line-function) #'ocp-indent-line)
(set (make-local-variable 'indent-region-function) #'ocp-indent-region)))
;;;###autoload
(defun ocp-indent-caml-mode-setup ()
(ocp-setup-indent)
(local-unset-key "\t")) ;; caml-mode rebinds TAB !
(add-hook 'tuareg-mode-hook 'ocp-setup-indent t)
(add-hook 'caml-mode-hook 'ocp-indent-caml-mode-setup t)
(provide 'ocp-indent)
;;; ocp-indent.el ends here
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