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   1 ;;; -*- mode: emacs-lisp; coding: utf-8 -*-
   2 ;;;
   3 ;;; Functions and macros for .emacs
   4 ;;;
   5 ;;; (c) 2004 Mark Wooding
   6 ;;;
   7
   8 ;;;----- Licensing notice ---------------------------------------------------
   9 ;;;
  10 ;;; This program is free software; you can redistribute it and/or modify
  11 ;;; it under the terms of the GNU General Public License as published by
  12 ;;; the Free Software Foundation; either version 2 of the License, or
  13 ;;; (at your option) any later version.
  14 ;;;
  15 ;;; This program is distributed in the hope that it will be useful,
  16 ;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18 ;;; GNU General Public License for more details.
  19 ;;;
  20 ;;; You should have received a copy of the GNU General Public License
  21 ;;; along with this program; if not, write to the Free Software Foundation,
  22 ;;; Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  23
  24 ;;;--------------------------------------------------------------------------
  25 ;;; Check command-line.
  26
  27 (defvar mdw-fast-startup nil
  28   "Whether .emacs should optimize for rapid startup.
  29 This may be at the expense of cool features.")
  30 (let ((probe nil) (next command-line-args))
  31   (while next
  32     (cond ((string= (car next) "--mdw-fast-startup")
  33            (setq mdw-fast-startup t)
  34            (if probe
  35                (rplacd probe (cdr next))
  36              (setq command-line-args (cdr next))))
  37           (t
  38            (setq probe next)))
  39     (setq next (cdr next))))
  40
  41 ;;;--------------------------------------------------------------------------
  42 ;;; Some general utilities.
  43
  44 (eval-when-compile
  45   (unless (fboundp 'make-regexp)
  46     (load "make-regexp"))
  47   (require 'cl))
  48
  49 (defmacro mdw-regexps (&rest list)
  50   "Turn a LIST of strings into a single regular expression at compile-time."
  51   (declare (indent nil)
  52            (debug 0))
  53   `',(make-regexp list))
  54
  55 (defun mdw-wrong ()
  56   "This is not the key sequence you're looking for."
  57   (interactive)
  58   (error "wrong button"))
  59
  60 (defun mdw-emacs-version-p (major &optional minor)
  61   "Return non-nil if the running Emacs is at least version MAJOR.MINOR."
  62   (or (> emacs-major-version major)
  63       (and (= emacs-major-version major)
  64            (>= emacs-minor-version (or minor 0)))))
  65
  66 ;; Some error trapping.
  67 ;;
  68 ;; If individual bits of this file go tits-up, we don't particularly want
  69 ;; the whole lot to stop right there and then, because it's bloody annoying.
  70
  71 (defmacro trap (&rest forms)
  72   "Execute FORMS without allowing errors to propagate outside."
  73   (declare (indent 0)
  74            (debug t))
  75   `(condition-case err
  76        ,(if (cdr forms) (cons 'progn forms) (car forms))
  77      (error (message "Error (trapped): %s in %s"
  78                      (error-message-string err)
  79                      ',forms))))
  80
  81 ;; Configuration reading.
  82
  83 (defvar mdw-config nil)
  84 (defun mdw-config (sym)
  85   "Read the configuration variable named SYM."
  86   (unless mdw-config
  87     (setq mdw-config
  88           (flet ((replace (what with)
  89                    (goto-char (point-min))
  90                    (while (re-search-forward what nil t)
  91                      (replace-match with t))))
  92             (with-temp-buffer
  93               (insert-file-contents "~/.mdw.conf")
  94               (replace  "^[ \t]*\\(#.*\\|\\)\n" "")
  95               (replace (concat "^[ \t]*"
  96                                "\\([-a-zA-Z0-9_.]*\\)"
  97                                "[ \t]*=[ \t]*"
  98                                "\\(.*[^ \t\n]\\|\\)"
  99                                "[ \t]**\\(\n\\|$\\)")
 100                        "(\\1 . \"\\2\")\n")
 101               (car (read-from-string
 102                     (concat "(" (buffer-string) ")")))))))
 103   (cdr (assq sym mdw-config)))
 104
 105 ;; Width configuration.
 106
 107 (defvar mdw-column-width
 108   (string-to-number (or (mdw-config 'emacs-width) "77"))
 109   "Width of Emacs columns.")
 110 (defvar mdw-text-width mdw-column-width
 111   "Expected width of text within columns.")
 112 (put 'mdw-text-width 'safe-local-variable 'integerp)
 113
 114 ;; Local variables hacking.
 115
 116 (defun run-local-vars-mode-hook ()
 117   "Run a hook for the major-mode after local variables have been processed."
 118   (run-hooks (intern (concat (symbol-name major-mode)
 119                              "-local-variables-hook"))))
 120 (add-hook 'hack-local-variables-hook 'run-local-vars-mode-hook)
 121
 122 ;; Set up the load path convincingly.
 123
 124 (dolist (dir (append (and (boundp 'debian-emacs-flavor)
 125                           (list (concat "/usr/share/"
 126                                         (symbol-name debian-emacs-flavor)
 127                                         "/site-lisp")))))
 128   (dolist (sub (directory-files dir t))
 129     (when (and (file-accessible-directory-p sub)
 130                (not (member sub load-path)))
 131       (setq load-path (nconc load-path (list sub))))))
 132
 133 ;; Is an Emacs library available?
 134
 135 (defun library-exists-p (name)
 136   "Return non-nil if NAME is an available library.
 137 Return non-nil if NAME.el (or NAME.elc) somewhere on the Emacs
 138 load path.  The non-nil value is the filename we found for the
 139 library."
 140   (let ((path load-path) elt (foundp nil))
 141     (while (and path (not foundp))
 142       (setq elt (car path))
 143       (setq path (cdr path))
 144       (setq foundp (or (let ((file (concat elt "/" name ".elc")))
 145                          (and (file-exists-p file) file))
 146                        (let ((file (concat elt "/" name ".el")))
 147                          (and (file-exists-p file) file)))))
 148     foundp))
 149
 150 (defun maybe-autoload (symbol file &optional docstring interactivep type)
 151   "Set an autoload if the file actually exists."
 152   (and (library-exists-p file)
 153        (autoload symbol file docstring interactivep type)))
 154
 155 (defun mdw-kick-menu-bar (&optional frame)
 156   "Regenerate FRAME's menu bar so it doesn't have empty menus."
 157   (interactive)
 158   (unless frame (setq frame (selected-frame)))
 159   (let ((old (frame-parameter frame 'menu-bar-lines)))
 160     (set-frame-parameter frame 'menu-bar-lines 0)
 161     (set-frame-parameter frame 'menu-bar-lines old)))
 162
 163 ;; Splitting windows.
 164
 165 (unless (fboundp 'scroll-bar-columns)
 166   (defun scroll-bar-columns (side)
 167     (cond ((eq side 'left) 0)
 168           (window-system 3)
 169           (t 1))))
 170 (unless (fboundp 'fringe-columns)
 171   (defun fringe-columns (side)
 172     (cond ((not window-system) 0)
 173           ((eq side 'left) 1)
 174           (t 2))))
 175
 176 (defun mdw-horizontal-window-overhead ()
 177   "Computes the horizontal window overhead.
 178 This is the number of columns used by fringes, scroll bars and other such
 179 cruft."
 180   (if (not window-system)
 181       1
 182     (let ((tot 0))
 183       (dolist (what '(scroll-bar fringe))
 184         (dolist (side '(left right))
 185           (incf tot (funcall (intern (concat (symbol-name what) "-columns"))
 186                              side))))
 187       tot)))
 188
 189 (defun mdw-split-window-horizontally (&optional width)
 190   "Split a window horizontally.
 191 Without a numeric argument, split the window approximately in
 192 half.  With a numeric argument WIDTH, allocate WIDTH columns to
 193 the left-hand window (if positive) or -WIDTH columns to the
 194 right-hand window (if negative).  Space for scroll bars and
 195 fringes is not taken out of the allowance for WIDTH, unlike
 196 \\[split-window-horizontally]."
 197   (interactive "P")
 198   (split-window-horizontally
 199    (cond ((null width) nil)
 200          ((>= width 0) (+ width (mdw-horizontal-window-overhead)))
 201          ((< width 0) width))))
 202
 203 (defun mdw-divvy-window (&optional width)
 204   "Split a wide window into appropriate widths."
 205   (interactive "P")
 206   (setq width (cond (width (prefix-numeric-value width))
 207                     ((and window-system (mdw-emacs-version-p 22))
 208                      mdw-column-width)
 209                     (t (1+ mdw-column-width))))
 210   (let* ((win (selected-window))
 211          (sb-width (mdw-horizontal-window-overhead))
 212          (c (/ (+ (window-width) sb-width)
 213                (+ width sb-width))))
 214     (while (> c 1)
 215       (setq c (1- c))
 216       (split-window-horizontally (+ width sb-width))
 217       (other-window 1))
 218     (select-window win)))
 219
 220 ;; Don't raise windows unless I say so.
 221
 222 (defvar mdw-inhibit-raise-frame nil
 223   "*Whether `raise-frame' should do nothing when the frame is mapped.")
 224
 225 (defadvice raise-frame
 226     (around mdw-inhibit (&optional frame) activate compile)
 227   "Don't actually do anything if `mdw-inhibit-raise-frame' is true, and the
 228 frame is actually mapped on the screen."
 229   (if mdw-inhibit-raise-frame
 230       (make-frame-visible frame)
 231     ad-do-it))
 232
 233 (defmacro mdw-advise-to-inhibit-raise-frame (function)
 234   "Advise the FUNCTION not to raise frames, even if it wants to."
 235   `(defadvice ,function
 236        (around mdw-inhibit-raise (&rest hunoz) activate compile)
 237      "Don't raise the window unless you have to."
 238      (let ((mdw-inhibit-raise-frame t))
 239        ad-do-it)))
 240
 241 (mdw-advise-to-inhibit-raise-frame select-frame-set-input-focus)
 242 (mdw-advise-to-inhibit-raise-frame appt-disp-window)
 243
 244 ;; Bug fix for markdown-mode, which breaks point positioning during
 245 ;; `query-replace'.
 246 (defadvice markdown-check-change-for-wiki-link
 247     (around mdw-save-match activate compile)
 248   "Save match data around the `markdown-mode' `after-change-functions' hook."
 249   (save-match-data ad-do-it))
 250
 251 ;; Bug fix for `bbdb-canonicalize-address': on Emacs 24, `run-hook-with-args'
 252 ;; always returns nil, with the result that all email addresses are lost.
 253 ;; Replace the function entirely.
 254 (defadvice bbdb-canonicalize-address
 255     (around mdw-bug-fix activate compile)
 256   "Don't use `run-hook-with-args', because that doesn't work."
 257   (let ((net (ad-get-arg 0)))
 258
 259     ;; Make sure this is a proper hook list.
 260     (if (functionp bbdb-canonicalize-net-hook)
 261         (setq bbdb-canonicalize-net-hook (list bbdb-canonicalize-net-hook)))
 262
 263     ;; Iterate over the hooks until things converge.
 264     (let ((donep nil))
 265       (while (not donep)
 266         (let (next (changep nil)
 267               hook (hooks bbdb-canonicalize-net-hook))
 268           (while hooks
 269             (setq hook (pop hooks))
 270             (setq next (funcall hook net))
 271             (if (not (equal next net))
 272                 (setq changep t
 273                       net next)))
 274           (setq donep (not changep)))))
 275     (setq ad-return-value net)))
 276
 277 ;; Transient mark mode hacks.
 278
 279 (defadvice exchange-point-and-mark
 280     (around mdw-highlight (&optional arg) activate compile)
 281   "Maybe don't actually exchange point and mark.
 282 If `transient-mark-mode' is on and the mark is inactive, then
 283 just activate it.  A non-trivial prefix argument will force the
 284 usual behaviour.  A trivial prefix argument (i.e., just C-u) will
 285 activate the mark and temporarily enable `transient-mark-mode' if
 286 it's currently off."
 287   (cond ((or mark-active
 288              (and (not transient-mark-mode) (not arg))
 289              (and arg (or (not (consp arg))
 290                           (not (= (car arg) 4)))))
 291          ad-do-it)
 292         (t
 293          (or transient-mark-mode (setq transient-mark-mode 'only))
 294          (set-mark (mark t)))))
 295
 296 ;; Improved compilation machinery.
 297
 298 (setq compile-command
 299       (let ((ncpu (with-temp-buffer
 300                     (insert-file-contents "/proc/cpuinfo")
 301                     (buffer-string)
 302                     (count-matches "^processor\\s-*:"))))
 303         (format "make -j%d -k" (* 2 ncpu))))
 304
 305 (defun mdw-compilation-buffer-name (mode)
 306   (concat "*" (downcase mode) ": "
 307           (abbreviate-file-name default-directory) "*"))
 308 (setq compilation-buffer-name-function 'mdw-compilation-buffer-name)
 309
 310 (eval-after-load "compile"
 311   '(progn
 312      (define-key compilation-shell-minor-mode-map "\C-c\M-g" 'recompile)))
 313
 314 (defun mdw-compile (command &optional directory comint)
 315   "Initiate a compilation COMMAND, maybe in a different DIRECTORY.
 316 The DIRECTORY may be nil to not change.  If COMINT is t, then
 317 start an interactive compilation.
 318
 319 Interactively, prompt for the command if the variable
 320 `compilation-read-command' is non-nil, or if requested through
 321 the prefix argument.  Prompt for the directory, and run
 322 interactively, if requested through the prefix.
 323
 324 Use a prefix of 4, 6, 12, or 14, or type C-u between one and three times, to
 325 force prompting for a directory.
 326
 327 Use a prefix of 2, 6, 10, or 14, or type C-u three times, to force
 328 prompting for the command.
 329
 330 Use a prefix of 8, 10, 12, or 14, or type C-u twice or three times,
 331 to force interactive compilation."
 332   (interactive
 333    (let* ((prefix (prefix-numeric-value current-prefix-arg))
 334           (command (eval compile-command))
 335           (dir (and (plusp (logand prefix #x54))
 336                     (read-directory-name "Compile in directory: "))))
 337      (list (if (or compilation-read-command
 338                    (plusp (logand prefix #x42)))
 339                (compilation-read-command command)
 340              command)
 341            dir
 342            (plusp (logand prefix #x58)))))
 343   (let ((default-directory (or directory default-directory)))
 344     (compile command comint)))
 345
 346 ;; Functions for sexp diary entries.
 347
 348 (defun mdw-not-org-mode (form)
 349   "As FORM, but not in Org mode agenda."
 350   (and (not mdw-diary-for-org-mode-p)
 351        (eval form)))
 352
 353 (defun mdw-weekday (l)
 354   "Return non-nil if `date' falls on one of the days of the week in L.
 355 L is a list of day numbers (from 0 to 6 for Sunday through to
 356 Saturday) or symbols `sunday', `monday', etc. (or a mixture).  If
 357 the date stored in `date' falls on a listed day, then the
 358 function returns non-nil."
 359   (let ((d (calendar-day-of-week date)))
 360     (or (memq d l)
 361         (memq (nth d '(sunday monday tuesday wednesday
 362                               thursday friday saturday)) l))))
 363
 364 (defun mdw-discordian-date (date)
 365   "Return the Discordian calendar date corresponding to DATE.
 366
 367 The return value is (YOLD . st-tibs-day) or (YOLD SEASON DAYNUM DOW).
 368
 369 The original is by David Pearson.  I modified it to produce date components
 370 as output rather than a string."
 371   (let* ((days ["Sweetmorn" "Boomtime" "Pungenday"
 372                 "Prickle-Prickle" "Setting Orange"])
 373          (months ["Chaos" "Discord" "Confusion"
 374                   "Bureaucracy" "Aftermath"])
 375          (day-count [0 31 59 90 120 151 181 212 243 273 304 334])
 376          (year (- (extract-calendar-year date) 1900))
 377          (month (1- (extract-calendar-month date)))
 378          (day (1- (extract-calendar-day date)))
 379          (julian (+ (aref day-count month) day))
 380          (dyear (+ year 3066)))
 381     (if (and (= month 1) (= day 28))
 382         (cons dyear 'st-tibs-day)
 383       (list dyear
 384             (aref months (floor (/ julian 73)))
 385             (1+ (mod julian 73))
 386             (aref days (mod julian 5))))))
 387
 388 (defun mdw-diary-discordian-date ()
 389   "Convert the date in `date' to a string giving the Discordian date."
 390   (let* ((ddate (mdw-discordian-date date))
 391          (tail (format "in the YOLD %d" (car ddate))))
 392     (if (eq (cdr ddate) 'st-tibs-day)
 393         (format "St Tib's Day %s" tail)
 394       (let ((season (cadr ddate))
 395             (daynum (caddr ddate))
 396             (dayname (cadddr ddate)))
 397       (format "%s, the %d%s day of %s %s"
 398               dayname
 399               daynum
 400               (let ((ldig (mod daynum 10)))
 401                 (cond ((= ldig 1) "st")
 402                       ((= ldig 2) "nd")
 403                       ((= ldig 3) "rd")
 404                       (t "th")))
 405               season
 406               tail)))))
 407
 408 (defun mdw-todo (&optional when)
 409   "Return non-nil today, or on WHEN, whichever is later."
 410   (let ((w (calendar-absolute-from-gregorian (calendar-current-date)))
 411         (d (calendar-absolute-from-gregorian date)))
 412     (if when
 413         (setq w (max w (calendar-absolute-from-gregorian
 414                         (cond
 415                          ((not european-calendar-style)
 416                           when)
 417                          ((> (car when) 100)
 418                           (list (nth 1 when)
 419                                 (nth 2 when)
 420                                 (nth 0 when)))
 421                          (t
 422                           (list (nth 1 when)
 423                                 (nth 0 when)
 424                                 (nth 2 when))))))))
 425     (eq w d)))
 426
 427 (defvar mdw-diary-for-org-mode-p nil)
 428
 429 (defadvice org-agenda-list (around mdw-preserve-links activate)
 430   (let ((mdw-diary-for-org-mode-p t))
 431     ad-do-it))
 432
 433 (defadvice diary-add-to-list (before mdw-trim-leading-space compile activate)
 434   "Trim leading space from the diary entry string."
 435   (save-match-data
 436     (let ((str (ad-get-arg 1))
 437           (done nil) old)
 438       (while (not done)
 439         (setq old str)
 440         (setq str (cond ((null str) nil)
 441                         ((string-match "\\(^\\|\n\\)[ \t]+" str)
 442                          (replace-match "\\1" nil nil str))
 443                         ((and mdw-diary-for-org-mode-p
 444                               (string-match (concat
 445                                              "\\(^\\|\n\\)"
 446                                              "\\(" diary-time-regexp
 447                                              "\\(-" diary-time-regexp "\\)?"
 448                                              "\\)"
 449                                              "\\(\t[ \t]*\\| [ \t]+\\)")
 450                                             str))
 451                          (replace-match "\\1\\2 " nil nil str))
 452                         ((and (not mdw-diary-for-org-mode-p)
 453                               (string-match "\\[\\[[^][]*]\\[\\([^][]*\\)]]"
 454                                             str))
 455                          (replace-match "\\1" nil nil str))
 456                         (t str)))
 457         (if (equal str old) (setq done t)))
 458       (ad-set-arg 1 str))))
 459
 460 (defadvice org-bbdb-anniversaries (after mdw-fixup-list compile activate)
 461   "Return a string rather than a list."
 462   (with-temp-buffer
 463     (let ((anyp nil))
 464       (dolist (e (let ((ee ad-return-value))
 465                    (if (atom ee) (list ee) ee)))
 466         (when e
 467           (when anyp (insert ?\n))
 468           (insert e)
 469           (setq anyp t)))
 470       (setq ad-return-value
 471             (and anyp (buffer-string))))))
 472
 473 ;; Fighting with Org-mode's evil key maps.
 474
 475 (defvar mdw-evil-keymap-keys
 476   '(([S-up] . [?\C-c up])
 477     ([S-down] . [?\C-c down])
 478     ([S-left] . [?\C-c left])
 479     ([S-right] . [?\C-c right])
 480     (([M-up] [?\e up]) . [C-up])
 481     (([M-down] [?\e down]) . [C-down])
 482     (([M-left] [?\e left]) . [C-left])
 483     (([M-right] [?\e right]) . [C-right]))
 484   "Defines evil keybindings to clobber in `mdw-clobber-evil-keymap'.
 485 The value is an alist mapping evil keys (as a list, or singleton)
 486 to good keys (in the same form).")
 487
 488 (defun mdw-clobber-evil-keymap (keymap)
 489   "Replace evil key bindings in the KEYMAP.
 490 Evil key bindings are defined in `mdw-evil-keymap-keys'."
 491   (dolist (entry mdw-evil-keymap-keys)
 492     (let ((binding nil)
 493           (keys (if (listp (car entry))
 494                     (car entry)
 495                   (list (car entry))))
 496           (replacements (if (listp (cdr entry))
 497                             (cdr entry)
 498                           (list (cdr entry)))))
 499       (catch 'found
 500         (dolist (key keys)
 501           (setq binding (lookup-key keymap key))
 502           (when binding
 503             (throw 'found nil))))
 504       (when binding
 505         (dolist (key keys)
 506           (define-key keymap key nil))
 507         (dolist (key replacements)
 508           (define-key keymap key binding))))))
 509
 510 (eval-after-load "org-latex"
 511   '(progn
 512      (push '("strayman"
 513              "\\documentclass{strayman}
 514 \\usepackage[utf8]{inputenc}
 515 \\usepackage[palatino, helvetica, courier, maths=cmr]{mdwfonts}
 516 \\usepackage[T1]{fontenc}
 517 \\usepackage{graphicx, tikz, mdwtab, mdwmath, crypto, longtable}"
 518              ("\\section{%s}" . "\\section*{%s}")
 519              ("\\subsection{%s}" . "\\subsection*{%s}")
 520              ("\\subsubsection{%s}" . "\\subsubsection*{%s}")
 521              ("\\paragraph{%s}" . "\\paragraph*{%s}")
 522              ("\\subparagraph{%s}" . "\\subparagraph*{%s}"))
 523            org-export-latex-classes)))
 524
 525 (setq org-export-docbook-xslt-proc-command "xsltproc --output %o %s %i"
 526       org-export-docbook-xsl-fo-proc-command "fop %i.safe %o"
 527       org-export-docbook-xslt-stylesheet
 528       "/usr/share/xml/docbook/stylesheet/docbook-xsl/fo/docbook.xsl")
 529
 530 ;; Some hacks to do with window placement.
 531
 532 (defun mdw-clobber-other-windows-showing-buffer (buffer-or-name)
 533   "Arrange that no windows on other frames are showing BUFFER-OR-NAME."
 534   (interactive "bBuffer: ")
 535   (let ((home-frame (selected-frame))
 536         (buffer (get-buffer buffer-or-name))
 537         (safe-buffer (get-buffer "*scratch*")))
 538     (mapc (lambda (frame)
 539             (or (eq frame home-frame)
 540                 (mapc (lambda (window)
 541                         (and (eq (window-buffer window) buffer)
 542                              (set-window-buffer window safe-buffer)))
 543                       (window-list frame))))
 544           (frame-list))))
 545
 546 (defvar mdw-inhibit-walk-windows nil
 547   "If non-nil, then `walk-windows' does nothing.
 548 This is used by advice on `switch-to-buffer-other-frame' to inhibit finding
 549 buffers in random frames.")
 550
 551 (defadvice walk-windows (around mdw-inhibit activate)
 552   "If `mdw-inhibit-walk-windows' is non-nil, then do nothing."
 553   (and (not mdw-inhibit-walk-windows)
 554        ad-do-it))
 555
 556 (defadvice switch-to-buffer-other-frame
 557     (around mdw-always-new-frame activate)
 558   "Always make a new frame.
 559 Even if an existing window in some random frame looks tempting."
 560   (let ((mdw-inhibit-walk-windows t)) ad-do-it))
 561
 562 (defadvice display-buffer (before mdw-inhibit-other-frames activate)
 563   "Don't try to do anything fancy with other frames.
 564 Pretend they don't exist.  They might be on other display devices."
 565   (ad-set-arg 2 nil))
 566
 567 ;;;--------------------------------------------------------------------------
 568 ;;; Mail and news hacking.
 569
 570 (define-derived-mode  mdwmail-mode mail-mode "[mdw] mail"
 571   "Major mode for editing news and mail messages from external programs.
 572 Not much right now.  Just support for doing MailCrypt stuff."
 573   :syntax-table nil
 574   :abbrev-table nil
 575   (run-hooks 'mail-setup-hook))
 576
 577 (define-key mdwmail-mode-map [?\C-c ?\C-c] 'disabled-operation)
 578
 579 (add-hook 'mdwail-mode-hook
 580           (lambda ()
 581             (set-buffer-file-coding-system 'utf-8)
 582             (make-local-variable 'paragraph-separate)
 583             (make-local-variable 'paragraph-start)
 584             (setq paragraph-start
 585                   (concat "[ \t]*[-_][-_][-_]+$\\|^-- \\|-----\\|"
 586                           paragraph-start))
 587             (setq paragraph-separate
 588                   (concat "[ \t]*[-_][-_][-_]+$\\|^-- \\|-----\\|"
 589                           paragraph-separate))))
 590
 591 ;; How to encrypt in mdwmail.
 592
 593 (defun mdwmail-mc-encrypt (&optional recip scm start end from sign)
 594   (or start
 595       (setq start (save-excursion
 596                     (goto-char (point-min))
 597                     (or (search-forward "\n\n" nil t) (point-min)))))
 598   (or end
 599       (setq end (point-max)))
 600   (mc-encrypt-generic recip scm start end from sign))
 601
 602 ;; How to sign in mdwmail.
 603
 604 (defun mdwmail-mc-sign (key scm start end uclr)
 605   (or start
 606       (setq start (save-excursion
 607                     (goto-char (point-min))
 608                     (or (search-forward "\n\n" nil t) (point-min)))))
 609   (or end
 610       (setq end (point-max)))
 611   (mc-sign-generic key scm start end uclr))
 612
 613 ;; Some signature mangling.
 614
 615 (defun mdwmail-mangle-signature ()
 616   (save-excursion
 617     (goto-char (point-min))
 618     (perform-replace "\n-- \n" "\n-- " nil nil nil)))
 619 (add-hook 'mail-setup-hook 'mdwmail-mangle-signature)
 620 (add-hook 'message-setup-hook 'mdwmail-mangle-signature)
 621
 622 ;; Insert my login name into message-ids, so I can score replies.
 623
 624 (defadvice message-unique-id (after mdw-user-name last activate compile)
 625   "Ensure that the user's name appears at the end of the message-id string,
 626 so that it can be used for convenient filtering."
 627   (setq ad-return-value (concat ad-return-value "." (user-login-name))))
 628
 629 ;; Tell my movemail hack where movemail is.
 630 ;;
 631 ;; This is needed to shup up warnings about LD_PRELOAD.
 632
 633 (let ((path exec-path))
 634   (while path
 635     (let ((try (expand-file-name "movemail" (car path))))
 636       (if (file-executable-p try)
 637           (setenv "REAL_MOVEMAIL" try))
 638       (setq path (cdr path)))))
 639
 640 ;; AUTHINFO GENERIC kludge.
 641
 642 (defvar nntp-authinfo-generic nil
 643   "Set to the `NNTPAUTH' string to pass on to `authinfo-kludge'.
 644
 645 Use this to arrange for per-server settings.")
 646
 647 (defun nntp-open-authinfo-kludge (buffer)
 648   "Open a connection to SERVER using `authinfo-kludge'."
 649   (let ((proc (start-process "nntpd" buffer
 650                              "env" (concat "NNTPAUTH="
 651                                            (or nntp-authinfo-generic
 652                                                (getenv "NNTPAUTH")
 653                                                (error "NNTPAUTH unset")))
 654                              "authinfo-kludge" nntp-address)))
 655     (set-buffer buffer)
 656     (nntp-wait-for-string "^\r*200")
 657     (beginning-of-line)
 658     (delete-region (point-min) (point))
 659     proc))
 660
 661 (eval-after-load "erc"
 662     '(load "~/.ercrc.el"))
 663
 664 ;;;--------------------------------------------------------------------------
 665 ;;; Utility functions.
 666
 667 (or (fboundp 'line-number-at-pos)
 668     (defun line-number-at-pos (&optional pos)
 669       (let ((opoint (or pos (point))) start)
 670         (save-excursion
 671           (save-restriction
 672             (goto-char (point-min))
 673             (widen)
 674             (forward-line 0)
 675             (setq start (point))
 676             (goto-char opoint)
 677             (forward-line 0)
 678             (1+ (count-lines 1 (point))))))))
 679
 680 (defun mdw-uniquify-alist (&rest alists)
 681   "Return the concatenation of the ALISTS with duplicate elements removed.
 682 The first association with a given key prevails; others are
 683 ignored.  The input lists are not modified, although they'll
 684 probably become garbage."
 685   (and alists
 686        (let ((start-list (cons nil nil)))
 687          (mdw-do-uniquify start-list
 688                           start-list
 689                           (car alists)
 690                           (cdr alists)))))
 691
 692 (defun mdw-do-uniquify (done end l rest)
 693   "A helper function for mdw-uniquify-alist.
 694 The DONE argument is a list whose first element is `nil'.  It
 695 contains the uniquified alist built so far.  The leading `nil' is
 696 stripped off at the end of the operation; it's only there so that
 697 DONE always references a cons cell.  END refers to the final cons
 698 cell in the DONE list; it is modified in place each time to avoid
 699 the overheads of `append'ing all the time.  The L argument is the
 700 alist we're currently processing; the remaining alists are given
 701 in REST."
 702
 703   ;; There are several different cases to deal with here.
 704   (cond
 705
 706    ;; Current list isn't empty.  Add the first item to the DONE list if
 707    ;; there's not an item with the same KEY already there.
 708    (l (or (assoc (car (car l)) done)
 709           (progn
 710             (setcdr end (cons (car l) nil))
 711             (setq end (cdr end))))
 712       (mdw-do-uniquify done end (cdr l) rest))
 713
 714    ;; The list we were working on is empty.  Shunt the next list into the
 715    ;; current list position and go round again.
 716    (rest (mdw-do-uniquify done end (car rest) (cdr rest)))
 717
 718    ;; Everything's done.  Remove the leading `nil' from the DONE list and
 719    ;; return it.  Finished!
 720    (t (cdr done))))
 721
 722 (defun date ()
 723   "Insert the current date in a pleasing way."
 724   (interactive)
 725   (insert (save-excursion
 726             (let ((buffer (get-buffer-create "*tmp*")))
 727               (unwind-protect (progn (set-buffer buffer)
 728                                      (erase-buffer)
 729                                      (shell-command "date +%Y-%m-%d" t)
 730                                      (goto-char (mark))
 731                                      (delete-backward-char 1)
 732                                      (buffer-string))
 733                 (kill-buffer buffer))))))
 734
 735 (defun uuencode (file &optional name)
 736   "UUencodes a file, maybe calling it NAME, into the current buffer."
 737   (interactive "fInput file name: ")
 738
 739   ;; If NAME isn't specified, then guess from the filename.
 740   (if (not name)
 741       (setq name
 742             (substring file
 743                        (or (string-match "[^/]*$" file) 0))))
 744   (print (format "uuencode `%s' `%s'" file name))
 745
 746   ;; Now actually do the thing.
 747   (call-process "uuencode" file t nil name))
 748
 749 (defvar np-file "~/.np"
 750   "*Where the `now-playing' file is.")
 751
 752 (defun np (&optional arg)
 753   "Grabs a `now-playing' string."
 754   (interactive)
 755   (save-excursion
 756     (or arg (progn
 757               (goto-char (point-max))
 758               (insert "\nNP: ")
 759               (insert-file-contents np-file)))))
 760
 761 (defun mdw-version-< (ver-a ver-b)
 762   "Answer whether VER-A is strictly earlier than VER-B.
 763 VER-A and VER-B are version numbers, which are strings containing digit
 764 sequences separated by `.'."
 765   (let* ((la (mapcar (lambda (x) (car (read-from-string x)))
 766                      (split-string ver-a "\\.")))
 767          (lb (mapcar (lambda (x) (car (read-from-string x)))
 768                      (split-string ver-b "\\."))))
 769     (catch 'done
 770       (while t
 771         (cond ((null la) (throw 'done lb))
 772               ((null lb) (throw 'done nil))
 773               ((< (car la) (car lb)) (throw 'done t))
 774               ((= (car la) (car lb)) (setq la (cdr la) lb (cdr lb)))
 775               (t (throw 'done nil)))))))
 776
 777 (defun mdw-check-autorevert ()
 778   "Sets global-auto-revert-ignore-buffer appropriately for this buffer.
 779 This takes into consideration whether it's been found using
 780 tramp, which seems to get itself into a twist."
 781   (cond ((not (boundp 'global-auto-revert-ignore-buffer))
 782          nil)
 783         ((and (buffer-file-name)
 784               (fboundp 'tramp-tramp-file-p)
 785               (tramp-tramp-file-p (buffer-file-name)))
 786          (unless global-auto-revert-ignore-buffer
 787            (setq global-auto-revert-ignore-buffer 'tramp)))
 788         ((eq global-auto-revert-ignore-buffer 'tramp)
 789          (setq global-auto-revert-ignore-buffer nil))))
 790
 791 (defadvice find-file (after mdw-autorevert activate)
 792   (mdw-check-autorevert))
 793 (defadvice write-file (after mdw-autorevert activate)
 794   (mdw-check-autorevert))
 795
 796 ;;;--------------------------------------------------------------------------
 797 ;;; Dired hacking.
 798
 799 (defadvice dired-maybe-insert-subdir
 800     (around mdw-marked-insertion first activate)
 801   "The DIRNAME may be a list of directory names to insert.
 802 Interactively, if files are marked, then insert all of them.
 803 With a numeric prefix argument, select that many entries near
 804 point; with a non-numeric prefix argument, prompt for listing
 805 options."
 806   (interactive
 807    (list (dired-get-marked-files nil
 808                                  (and (integerp current-prefix-arg)
 809                                       current-prefix-arg)
 810                                  #'file-directory-p)
 811          (and current-prefix-arg
 812               (not (integerp current-prefix-arg))
 813               (read-string "Switches for listing: "
 814                            (or dired-subdir-switches
 815                                dired-actual-switches)))))
 816   (let ((dirs (ad-get-arg 0)))
 817     (dolist (dir (if (listp dirs) dirs (list dirs)))
 818       (ad-set-arg 0 dir)
 819       ad-do-it)))
 820
 821 (defun mdw-dired-run (args &optional syncp)
 822   (interactive (let ((file (dired-get-filename t)))
 823                  (list (read-string (format "Arguments for %s: " file))
 824                        current-prefix-arg)))
 825   (funcall (if syncp 'shell-command 'async-shell-command)
 826            (concat (shell-quote-argument (dired-get-filename nil))
 827                    " " args)))
 828
 829 (eval-after-load "dired"
 830   '(define-key dired-mode-map "X" 'mdw-dired-run))
 831
 832 ;;;--------------------------------------------------------------------------
 833 ;;; URL viewing.
 834
 835 (defun mdw-w3m-browse-url (url &optional new-session-p)
 836   "Invoke w3m on the URL in its current window, or at least a different one.
 837 If NEW-SESSION-P, start a new session."
 838   (interactive "sURL: \nP")
 839   (save-excursion
 840     (let ((window (selected-window)))
 841       (unwind-protect
 842           (progn
 843             (select-window (or (and (not new-session-p)
 844                                     (get-buffer-window "*w3m*"))
 845                                (progn
 846                                  (if (one-window-p t) (split-window))
 847                                  (get-lru-window))))
 848             (w3m-browse-url url new-session-p))
 849         (select-window window)))))
 850
 851 (defvar mdw-good-url-browsers
 852   '(browse-url-mozilla
 853     browse-url-generic
 854     (w3m . mdw-w3m-browse-url)
 855     browse-url-w3)
 856   "List of good browsers for mdw-good-url-browsers.
 857 Each item is a browser function name, or a cons (CHECK . FUNC).
 858 A symbol FOO stands for (FOO . FOO).")
 859
 860 (defun mdw-good-url-browser ()
 861   "Return a good URL browser.
 862 Trundle the list of such things, finding the first item for which
 863 CHECK is fboundp, and returning the correponding FUNC."
 864   (let ((bs mdw-good-url-browsers) b check func answer)
 865     (while (and bs (not answer))
 866       (setq b (car bs)
 867             bs (cdr bs))
 868       (if (consp b)
 869           (setq check (car b) func (cdr b))
 870         (setq check b func b))
 871       (if (fboundp check)
 872           (setq answer func)))
 873     answer))
 874
 875 (eval-after-load "w3m-search"
 876   '(progn
 877      (dolist
 878          (item
 879           '(("g" "Google" "http://www.google.co.uk/search?q=%s")
 880             ("gd" "Google Directory"
 881              "http://www.google.com/search?cat=gwd/Top&q=%s")
 882             ("gg" "Google Groups" "http://groups.google.com/groups?q=%s")
 883             ("ward" "Ward's wiki" "http://c2.com/cgi/wiki?%s")
 884             ("gi" "Images" "http://images.google.com/images?q=%s")
 885             ("rfc" "RFC"
 886              "http://metalzone.distorted.org.uk/ftp/pub/mirrors/rfc/rfc%s.txt.gz")
 887             ("wp" "Wikipedia"
 888              "http://en.wikipedia.org/wiki/Special:Search?go=Go&search=%s")
 889             ("imdb" "IMDb" "http://www.imdb.com/Find?%s")
 890             ("nc-wiki" "nCipher wiki"
 891              "http://wiki.ncipher.com/wiki/bin/view/Devel/?topic=%s")
 892             ("map" "Google maps" "http://maps.google.co.uk/maps?q=%s&hl=en")
 893             ("lp" "Launchpad bug by number"
 894              "https://bugs.launchpad.net/bugs/%s")
 895             ("lppkg" "Launchpad bugs by package"
 896              "https://bugs.launchpad.net/%s")
 897             ("msdn" "MSDN"
 898              "http://social.msdn.microsoft.com/Search/en-GB/?query=%s&ac=8")
 899             ("debbug" "Debian bug by number"
 900              "http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=%s")
 901             ("debbugpkg" "Debian bugs by package"
 902              "http://bugs.debian.org/cgi-bin/pkgreport.cgi?pkg=%s")
 903             ("ljlogin" "LJ login" "http://www.livejournal.com/login.bml")))
 904        (add-to-list 'w3m-search-engine-alist
 905                     (list (cadr item) (caddr item) nil))
 906        (add-to-list 'w3m-uri-replace-alist
 907                     (list (concat "\\`" (car item) ":")
 908                           'w3m-search-uri-replace
 909                           (cadr item))))))
 910
 911 ;;;--------------------------------------------------------------------------
 912 ;;; Paragraph filling.
 913
 914 ;; Useful variables.
 915
 916 (defvar mdw-fill-prefix nil
 917   "*Used by `mdw-line-prefix' and `mdw-fill-paragraph'.
 918 If there's no fill prefix currently set (by the `fill-prefix'
 919 variable) and there's a match from one of the regexps here, it
 920 gets used to set the fill-prefix for the current operation.
 921
 922 The variable is a list of items of the form `REGEXP . PREFIX'; if
 923 the REGEXP matches, the PREFIX is used to set the fill prefix.
 924 It in turn is a list of things:
 925
 926   STRING -- insert a literal string
 927   (match . N) -- insert the thing matched by bracketed subexpression N
 928   (pad . N) -- a string of whitespace the same width as subexpression N
 929   (expr . FORM) -- the result of evaluating FORM")
 930
 931 (make-variable-buffer-local 'mdw-fill-prefix)
 932
 933 (defvar mdw-hanging-indents
 934   (concat "\\(\\("
 935             "\\([*o+]\\|-[-#]?\\|[0-9]+\\.\\|\\[[0-9]+\\]\\|([a-zA-Z])\\)"
 936             "[ \t]+"
 937           "\\)?\\)")
 938   "*Standard regexp matching parts of a hanging indent.
 939 This is mainly useful in `auto-fill-mode'.")
 940
 941 ;; Setting things up.
 942
 943 (fset 'mdw-do-auto-fill (symbol-function 'do-auto-fill))
 944
 945 ;; Utility functions.
 946
 947 (defun mdw-maybe-tabify (s)
 948   "Tabify or untabify the string S, according to `indent-tabs-mode'."
 949   (let ((tabfun (if indent-tabs-mode #'tabify #'untabify)))
 950     (with-temp-buffer
 951       (save-match-data
 952         (insert s "\n")
 953         (let ((start (point-min)) (end (point-max)))
 954           (funcall tabfun (point-min) (point-max))
 955           (setq s (buffer-substring (point-min) (1- (point-max)))))))))
 956
 957 (defun mdw-examine-fill-prefixes (l)
 958   "Given a list of dynamic fill prefixes, pick one which matches
 959 context and return the static fill prefix to use.  Point must be
 960 at the start of a line, and match data must be saved."
 961   (cond ((not l) nil)
 962                ((looking-at (car (car l)))
 963                 (mdw-maybe-tabify (apply #'concat
 964                                          (mapcar #'mdw-do-prefix-match
 965                                                  (cdr (car l))))))
 966                (t (mdw-examine-fill-prefixes (cdr l)))))
 967
 968 (defun mdw-maybe-car (p)
 969   "If P is a pair, return (car P), otherwise just return P."
 970   (if (consp p) (car p) p))
 971
 972 (defun mdw-padding (s)
 973   "Return a string the same width as S but made entirely from whitespace."
 974   (let* ((l (length s)) (i 0) (n (make-string l ? )))
 975     (while (< i l)
 976       (if (= 9 (aref s i))
 977           (aset n i 9))
 978       (setq i (1+ i)))
 979     n))
 980
 981 (defun mdw-do-prefix-match (m)
 982   "Expand a dynamic prefix match element.
 983 See `mdw-fill-prefix' for details."
 984   (cond ((not (consp m)) (format "%s" m))
 985            ((eq (car m) 'match) (match-string (mdw-maybe-car (cdr m))))
 986            ((eq (car m) 'pad) (mdw-padding (match-string
 987                                             (mdw-maybe-car (cdr m)))))
 988            ((eq (car m) 'eval) (eval (cdr m)))
 989            (t "")))
 990
 991 (defun mdw-choose-dynamic-fill-prefix ()
 992   "Work out the dynamic fill prefix based on the variable `mdw-fill-prefix'."
 993   (cond ((and fill-prefix (not (string= fill-prefix ""))) fill-prefix)
 994            ((not mdw-fill-prefix) fill-prefix)
 995            (t (save-excursion
 996                 (beginning-of-line)
 997                 (save-match-data
 998                   (mdw-examine-fill-prefixes mdw-fill-prefix))))))
 999
1000 (defun do-auto-fill ()
1001   "Handle auto-filling, working out a dynamic fill prefix in the
1002 case where there isn't a sensible static one."
1003   (let ((fill-prefix (mdw-choose-dynamic-fill-prefix)))
1004     (mdw-do-auto-fill)))
1005
1006 (defun mdw-fill-paragraph ()
1007   "Fill paragraph, getting a dynamic fill prefix."
1008   (interactive)
1009   (let ((fill-prefix (mdw-choose-dynamic-fill-prefix)))
1010     (fill-paragraph nil)))
1011
1012 (defun mdw-standard-fill-prefix (rx &optional mat)
1013   "Set the dynamic fill prefix, handling standard hanging indents and stuff.
1014 This is just a short-cut for setting the thing by hand, and by
1015 design it doesn't cope with anything approximating a complicated
1016 case."
1017   (setq mdw-fill-prefix
1018            `((,(concat rx mdw-hanging-indents)
1019               (match . 1)
1020               (pad . ,(or mat 2))))))
1021
1022 ;;;--------------------------------------------------------------------------
1023 ;;; Other common declarations.
1024
1025 ;; Common mode settings.
1026
1027 (defvar mdw-auto-indent t
1028   "Whether to indent automatically after a newline.")
1029
1030 (defun mdw-whitespace-mode (&optional arg)
1031   "Turn on/off whitespace mode, but don't highlight trailing space."
1032   (interactive "P")
1033   (when (and (boundp 'whitespace-style)
1034              (fboundp 'whitespace-mode))
1035     (let ((whitespace-style (remove 'trailing whitespace-style)))
1036       (whitespace-mode arg))
1037     (setq show-trailing-whitespace whitespace-mode)))
1038
1039 (defvar mdw-do-misc-mode-hacking nil)
1040
1041 (defun mdw-misc-mode-config ()
1042   (and mdw-auto-indent
1043        (cond ((eq major-mode 'lisp-mode)
1044               (local-set-key "\C-m" 'mdw-indent-newline-and-indent))
1045              ((or (eq major-mode 'slime-repl-mode)
1046                   (eq major-mode 'asm-mode))
1047               nil)
1048              (t
1049               (local-set-key "\C-m" 'newline-and-indent))))
1050   (set (make-local-variable 'mdw-do-misc-mode-hacking) t)
1051   (local-set-key [C-return] 'newline)
1052   (make-local-variable 'page-delimiter)
1053   (setq page-delimiter "\f\\|^.*-\\{6\\}.*$")
1054   (setq comment-column 40)
1055   (auto-fill-mode 1)
1056   (setq fill-column mdw-text-width)
1057   (and (fboundp 'gtags-mode)
1058        (gtags-mode))
1059   (if (fboundp 'hs-minor-mode)
1060       (trap (hs-minor-mode t))
1061     (outline-minor-mode t))
1062   (reveal-mode t)
1063   (trap (turn-on-font-lock)))
1064
1065 (defun mdw-post-local-vars-misc-mode-config ()
1066   (setq whitespace-line-column mdw-text-width)
1067   (when (and mdw-do-misc-mode-hacking
1068              (not buffer-read-only))
1069     (setq show-trailing-whitespace t)
1070     (mdw-whitespace-mode 1)))
1071 (add-hook 'hack-local-variables-hook 'mdw-post-local-vars-misc-mode-config)
1072
1073 (defmacro mdw-advise-update-angry-fruit-salad (&rest funcs)
1074   `(progn ,@(mapcar (lambda (func)
1075                       `(defadvice ,func
1076                            (after mdw-angry-fruit-salad activate)
1077                          (when mdw-do-misc-mode-hacking
1078                            (setq show-trailing-whitespace
1079                                  (not buffer-read-only))
1080                            (mdw-whitespace-mode (if buffer-read-only 0 1)))))
1081                     funcs)))
1082 (mdw-advise-update-angry-fruit-salad toggle-read-only
1083                                      read-only-mode
1084                                      view-mode
1085                                      view-mode-enable
1086                                      view-mode-disable)
1087
1088 (eval-after-load 'gtags
1089   '(progn
1090      (dolist (key '([mouse-2] [mouse-3]))
1091        (define-key gtags-mode-map key nil))
1092      (define-key gtags-mode-map [C-S-mouse-2] 'gtags-find-tag-by-event)
1093      (define-key gtags-select-mode-map [C-S-mouse-2]
1094        'gtags-select-tag-by-event)
1095      (dolist (map (list gtags-mode-map gtags-select-mode-map))
1096        (define-key map [C-S-mouse-3] 'gtags-pop-stack))))
1097
1098 ;; Backup file handling.
1099
1100 (defvar mdw-backup-disable-regexps nil
1101   "*List of regular expressions: if a file name matches any of
1102 these then the file is not backed up.")
1103
1104 (defun mdw-backup-enable-predicate (name)
1105   "[mdw]'s default backup predicate.
1106 Allows a backup if the standard predicate would allow it, and it
1107 doesn't match any of the regular expressions in
1108 `mdw-backup-disable-regexps'."
1109   (and (normal-backup-enable-predicate name)
1110        (let ((answer t) (list mdw-backup-disable-regexps))
1111          (save-match-data
1112            (while list
1113              (if (string-match (car list) name)
1114                  (setq answer nil))
1115              (setq list (cdr list)))
1116            answer))))
1117 (setq backup-enable-predicate 'mdw-backup-enable-predicate)
1118
1119 ;; Frame cleanup.
1120
1121 (defun mdw-last-one-out-turn-off-the-lights (frame)
1122   "Disconnect from an X display if this was the last frame on that display."
1123   (let ((frame-display (frame-parameter frame 'display)))
1124     (when (and frame-display
1125                (eq window-system 'x)
1126                (not (some (lambda (fr)
1127                             (and (not (eq fr frame))
1128                                  (string= (frame-parameter fr 'display)
1129                                           frame-display)))
1130                           (frame-list))))
1131       (run-with-idle-timer 0 nil #'x-close-connection frame-display))))
1132 (add-hook 'delete-frame-functions 'mdw-last-one-out-turn-off-the-lights)
1133
1134 ;;;--------------------------------------------------------------------------
1135 ;;; Where is point?
1136
1137 (defvar mdw-point-overlay
1138   (let ((ov (make-overlay 0 0))
1139         (s "."))
1140     (overlay-put ov 'priority 2)
1141     (put-text-property 0 1 'display '(left-fringe vertical-bar) s)
1142     (overlay-put ov 'before-string s)
1143     (delete-overlay ov)
1144     ov)
1145   "An overlay used for showing where point is in the selected window.")
1146
1147 (defun mdw-remove-point-overlay ()
1148   "Remove the current-point overlay."
1149   (delete-overlay mdw-point-overlay))
1150
1151 (defun mdw-update-point-overlay ()
1152   "Mark the current point position with an overlay."
1153   (if (not mdw-point-overlay-mode)
1154       (mdw-remove-point-overlay)
1155     (overlay-put mdw-point-overlay 'window (selected-window))
1156     (if (bolp)
1157         (move-overlay mdw-point-overlay
1158                       (point) (1+ (point)) (current-buffer))
1159       (move-overlay mdw-point-overlay
1160                     (1- (point)) (point) (current-buffer)))))
1161
1162 (defvar mdw-point-overlay-buffers nil
1163   "List of buffers using `mdw-point-overlay-mode'.")
1164
1165 (define-minor-mode mdw-point-overlay-mode
1166   "Indicate current line with an overlay."
1167   :global nil
1168   (let ((buffer (current-buffer)))
1169     (setq mdw-point-overlay-buffers
1170           (mapcan (lambda (buf)
1171                     (if (and (buffer-live-p buf)
1172                              (not (eq buf buffer)))
1173                         (list buf)))
1174                   mdw-point-overlay-buffers))
1175     (if mdw-point-overlay-mode
1176         (setq mdw-point-overlay-buffers
1177               (cons buffer mdw-point-overlay-buffers))))
1178   (cond (mdw-point-overlay-buffers
1179          (add-hook 'pre-command-hook 'mdw-remove-point-overlay)
1180          (add-hook 'post-command-hook 'mdw-update-point-overlay))
1181         (t
1182          (mdw-remove-point-overlay)
1183          (remove-hook 'pre-command-hook 'mdw-remove-point-overlay)
1184          (remove-hook 'post-command-hook 'mdw-update-point-overlay))))
1185
1186 (define-globalized-minor-mode mdw-global-point-overlay-mode
1187   mdw-point-overlay-mode
1188   (lambda () (if (not (minibufferp)) (mdw-point-overlay-mode t))))
1189
1190 ;;;--------------------------------------------------------------------------
1191 ;;; Fullscreen-ness.
1192
1193 (defvar mdw-full-screen-parameters
1194   '((menu-bar-lines . 0)
1195     ;(vertical-scroll-bars . nil)
1196     )
1197   "Frame parameters to set when making a frame fullscreen.")
1198
1199 (defvar mdw-full-screen-save
1200   '(width height)
1201   "Extra frame parameters to save when setting fullscreen.")
1202
1203 (defun mdw-toggle-full-screen (&optional frame)
1204   "Show the FRAME fullscreen."
1205   (interactive)
1206   (when window-system
1207     (cond ((frame-parameter frame 'fullscreen)
1208            (set-frame-parameter frame 'fullscreen nil)
1209            (modify-frame-parameters
1210             nil
1211             (or (frame-parameter frame 'mdw-full-screen-saved)
1212                 (mapcar (lambda (assoc)
1213                           (assq (car assoc) default-frame-alist))
1214                         mdw-full-screen-parameters))))
1215           (t
1216            (let ((saved (mapcar (lambda (param)
1217                                   (cons param (frame-parameter frame param)))
1218                                 (append (mapcar #'car
1219                                                 mdw-full-screen-parameters)
1220                                         mdw-full-screen-save))))
1221              (set-frame-parameter frame 'mdw-full-screen-saved saved))
1222            (modify-frame-parameters frame mdw-full-screen-parameters)
1223            (set-frame-parameter frame 'fullscreen 'fullboth)))))
1224
1225 ;;;--------------------------------------------------------------------------
1226 ;;; General fontification.
1227
1228 (make-face 'mdw-virgin-face)
1229
1230 (defmacro mdw-define-face (name &rest body)
1231   "Define a face, and make sure it's actually set as the definition."
1232   (declare (indent 1)
1233            (debug 0))
1234   `(progn
1235      (copy-face 'mdw-virgin-face ',name)
1236      (defvar ,name ',name)
1237      (put ',name 'face-defface-spec ',body)
1238      (face-spec-set ',name ',body nil)))
1239
1240 (mdw-define-face default
1241   (((type w32)) :family "courier new" :height 85)
1242   (((type x)) :family "6x13" :foundry "trad" :height 130)
1243   (((type color)) :foreground "white" :background "black")
1244   (t nil))
1245 (mdw-define-face fixed-pitch
1246   (((type w32)) :family "courier new" :height 85)
1247   (((type x)) :family "6x13" :foundry "trad" :height 130)
1248   (t :foreground "white" :background "black"))
1249 (if (mdw-emacs-version-p 23)
1250     (mdw-define-face variable-pitch
1251       (((type x)) :family "sans" :height 100))
1252   (mdw-define-face variable-pitch
1253     (((type x)) :family "helvetica" :height 90)))
1254 (mdw-define-face region
1255   (((type tty) (class color)) :background "blue")
1256   (((type tty) (class mono)) :inverse-video t)
1257   (t :background "grey30"))
1258 (mdw-define-face match
1259   (((type tty) (class color)) :background "blue")
1260   (((type tty) (class mono)) :inverse-video t)
1261   (t :background "blue"))
1262 (mdw-define-face mc/cursor-face
1263   (((type tty) (class mono)) :inverse-video t)
1264   (t :background "red"))
1265 (mdw-define-face minibuffer-prompt
1266   (t :weight bold))
1267 (mdw-define-face mode-line
1268   (((class color)) :foreground "blue" :background "yellow"
1269                    :box (:line-width 1 :style released-button))
1270   (t :inverse-video t))
1271 (mdw-define-face mode-line-inactive
1272   (((class color)) :foreground "yellow" :background "blue"
1273                    :box (:line-width 1 :style released-button))
1274   (t :inverse-video t))
1275 (mdw-define-face nobreak-space
1276   (((type tty)))
1277   (t :inherit escape-glyph :underline t))
1278 (mdw-define-face scroll-bar
1279   (t :foreground "black" :background "lightgrey"))
1280 (mdw-define-face fringe
1281   (t :foreground "yellow"))
1282 (mdw-define-face show-paren-match
1283   (((class color)) :background "darkgreen")
1284   (t :underline t))
1285 (mdw-define-face show-paren-mismatch
1286   (((class color)) :background "red")
1287   (t :inverse-video t))
1288 (mdw-define-face highlight
1289   (((type x) (class color)) :background "DarkSeaGreen4")
1290   (((type tty) (class color)) :background "cyan")
1291   (t :inverse-video t))
1292
1293 (mdw-define-face holiday-face
1294   (t :background "red"))
1295 (mdw-define-face calendar-today-face
1296   (t :foreground "yellow" :weight bold))
1297
1298 (mdw-define-face comint-highlight-prompt
1299   (t :weight bold))
1300 (mdw-define-face comint-highlight-input
1301   (t nil))
1302
1303 (mdw-define-face ido-subdir
1304   (t :foreground "cyan" :weight bold))
1305
1306 (mdw-define-face dired-directory
1307   (t :foreground "cyan" :weight bold))
1308 (mdw-define-face dired-symlink
1309   (t :foreground "cyan"))
1310 (mdw-define-face dired-perm-write
1311   (t nil))
1312
1313 (mdw-define-face trailing-whitespace
1314   (((class color)) :background "red")
1315   (t :inverse-video t))
1316 (mdw-define-face whitespace-line
1317   (((class color)) :background "darkred")
1318   (t :inverse-video t))
1319 (mdw-define-face mdw-punct-face
1320   (((type tty)) :foreground "yellow") (t :foreground "burlywood2"))
1321 (mdw-define-face mdw-number-face
1322   (t :foreground "yellow"))
1323 (mdw-define-face mdw-trivial-face)
1324 (mdw-define-face font-lock-function-name-face
1325   (t :slant italic))
1326 (mdw-define-face font-lock-keyword-face
1327   (t :weight bold))
1328 (mdw-define-face font-lock-constant-face
1329   (t :slant italic))
1330 (mdw-define-face font-lock-builtin-face
1331   (t :weight bold))
1332 (mdw-define-face font-lock-type-face
1333   (t :weight bold :slant italic))
1334 (mdw-define-face font-lock-reference-face
1335   (t :weight bold))
1336 (mdw-define-face font-lock-variable-name-face
1337   (t :slant italic))
1338 (mdw-define-face font-lock-comment-delimiter-face
1339   (((class mono)) :weight bold)
1340   (((type tty) (class color)) :foreground "green")
1341   (t :slant italic :foreground "SeaGreen1"))
1342 (mdw-define-face font-lock-comment-face
1343   (((class mono)) :weight bold)
1344   (((type tty) (class color)) :foreground "green")
1345   (t :slant italic :foreground "SeaGreen1"))
1346 (mdw-define-face font-lock-string-face
1347   (((class mono)) :weight bold)
1348   (((class color)) :foreground "SkyBlue1"))
1349
1350 (mdw-define-face message-separator
1351   (t :background "red" :foreground "white" :weight bold))
1352 (mdw-define-face message-cited-text
1353   (default :slant italic)
1354   (((type tty)) :foreground "cyan") (t :foreground "SkyBlue1"))
1355 (mdw-define-face message-header-cc
1356   (default :slant italic)
1357   (((type tty)) :foreground "green") (t :foreground "SeaGreen1"))
1358 (mdw-define-face message-header-newsgroups
1359   (default :slant italic)
1360   (((type tty)) :foreground "green") (t :foreground "SeaGreen1"))
1361 (mdw-define-face message-header-subject
1362   (((type tty)) :foreground "green") (t :foreground "SeaGreen1"))
1363 (mdw-define-face message-header-to
1364   (((type tty)) :foreground "green") (t :foreground "SeaGreen1"))
1365 (mdw-define-face message-header-xheader
1366   (default :slant italic)
1367   (((type tty)) :foreground "green") (t :foreground "SeaGreen1"))
1368 (mdw-define-face message-header-other
1369   (default :slant italic)
1370   (((type tty)) :foreground "green") (t :foreground "SeaGreen1"))
1371 (mdw-define-face message-header-name
1372   (default :weight bold)
1373   (((type tty)) :foreground "green") (t :foreground "SeaGreen1"))
1374
1375 (mdw-define-face which-func
1376   (t nil))
1377
1378 (mdw-define-face gnus-header-name
1379   (default :weight bold)
1380   (((type tty)) :foreground "green") (t :foreground "SeaGreen1"))
1381 (mdw-define-face gnus-header-subject
1382   (((type tty)) :foreground "green") (t :foreground "SeaGreen1"))
1383 (mdw-define-face gnus-header-from
1384   (((type tty)) :foreground "green") (t :foreground "SeaGreen1"))
1385 (mdw-define-face gnus-header-to
1386   (((type tty)) :foreground "green") (t :foreground "SeaGreen1"))
1387 (mdw-define-face gnus-header-content
1388   (default :slant italic)
1389   (((type tty)) :foreground "green") (t :foreground "SeaGreen1"))
1390
1391 (mdw-define-face gnus-cite-1
1392   (((type tty)) :foreground "cyan") (t :foreground "SkyBlue1"))
1393 (mdw-define-face gnus-cite-2
1394   (((type tty)) :foreground "blue") (t :foreground "RoyalBlue2"))
1395 (mdw-define-face gnus-cite-3
1396   (((type tty)) :foreground "magenta") (t :foreground "MediumOrchid"))
1397 (mdw-define-face gnus-cite-4
1398   (((type tty)) :foreground "red") (t :foreground "firebrick2"))
1399 (mdw-define-face gnus-cite-5
1400   (((type tty)) :foreground "yellow") (t :foreground "burlywood2"))
1401 (mdw-define-face gnus-cite-6
1402   (((type tty)) :foreground "green") (t :foreground "SeaGreen1"))
1403 (mdw-define-face gnus-cite-7
1404   (((type tty)) :foreground "cyan") (t :foreground "SlateBlue1"))
1405 (mdw-define-face gnus-cite-8
1406   (((type tty)) :foreground "blue") (t :foreground "RoyalBlue2"))
1407 (mdw-define-face gnus-cite-9
1408   (((type tty)) :foreground "magenta") (t :foreground "purple2"))
1409 (mdw-define-face gnus-cite-10
1410   (((type tty)) :foreground "red") (t :foreground "DarkOrange2"))
1411 (mdw-define-face gnus-cite-11
1412   (t :foreground "grey"))
1413
1414 (mdw-define-face diff-header
1415   (t nil))
1416 (mdw-define-face diff-index
1417   (t :weight bold))
1418 (mdw-define-face diff-file-header
1419   (t :weight bold))
1420 (mdw-define-face diff-hunk-header
1421   (t :foreground "SkyBlue1"))
1422 (mdw-define-face diff-function
1423   (t :foreground "SkyBlue1" :weight bold))
1424 (mdw-define-face diff-header
1425   (t :background "grey10"))
1426 (mdw-define-face diff-added
1427   (t :foreground "green"))
1428 (mdw-define-face diff-removed
1429   (t :foreground "red"))
1430 (mdw-define-face diff-context
1431   (t nil))
1432 (mdw-define-face diff-refine-change
1433   (((class color) (type x)) :background "RoyalBlue4")
1434   (t :underline t))
1435 (mdw-define-face diff-refine-removed
1436   (((class color) (type x)) :background "#500")
1437   (t :underline t))
1438 (mdw-define-face diff-refine-added
1439   (((class color) (type x)) :background "#050")
1440   (t :underline t))
1441
1442 (setq ediff-force-faces t)
1443 (mdw-define-face ediff-current-diff-A
1444   (((class color) (type x)) :background "darkred")
1445   (((class color) (type tty)) :background "red")
1446   (t :inverse-video t))
1447 (mdw-define-face ediff-fine-diff-A
1448   (((class color) (type x)) :background "red3")
1449   (((class color) (type tty)) :inverse-video t)
1450   (t :inverse-video nil))
1451 (mdw-define-face ediff-even-diff-A
1452   (((class color) (type x)) :background "#300"))
1453 (mdw-define-face ediff-odd-diff-A
1454   (((class color) (type x)) :background "#300"))
1455 (mdw-define-face ediff-current-diff-B
1456   (((class color) (type x)) :background "darkgreen")
1457   (((class color) (type tty)) :background "magenta")
1458   (t :inverse-video t))
1459 (mdw-define-face ediff-fine-diff-B
1460   (((class color) (type x)) :background "green4")
1461   (((class color) (type tty)) :inverse-video t)
1462   (t :inverse-video nil))
1463 (mdw-define-face ediff-even-diff-B
1464   (((class color) (type x)) :background "#020"))
1465 (mdw-define-face ediff-odd-diff-B
1466   (((class color) (type x)) :background "#020"))
1467 (mdw-define-face ediff-current-diff-C
1468   (((class color) (type x)) :background "darkblue")
1469   (((class color) (type tty)) :background "blue")
1470   (t :inverse-video t))
1471 (mdw-define-face ediff-fine-diff-C
1472   (((class color) (type x)) :background "blue1")
1473   (((class color) (type tty)) :inverse-video t)
1474   (t :inverse-video nil))
1475 (mdw-define-face ediff-even-diff-C
1476   (((class color) (type x)) :background "#004"))
1477 (mdw-define-face ediff-odd-diff-C
1478   (((class color) (type x)) :background "#004"))
1479 (mdw-define-face ediff-current-diff-Ancestor
1480   (((class color) (type x)) :background "#630")
1481   (((class color) (type tty)) :background "blue")
1482   (t :inverse-video t))
1483 (mdw-define-face ediff-even-diff-Ancestor
1484   (((class color) (type x)) :background "#320"))
1485 (mdw-define-face ediff-odd-diff-Ancestor
1486   (((class color) (type x)) :background "#320"))
1487
1488 (mdw-define-face magit-hash
1489   (((class color) (type x)) :foreground "grey40")
1490   (((class color) (type tty)) :foreground "blue"))
1491 (mdw-define-face magit-diff-hunk-heading
1492   (((class color) (type x)) :foreground "grey70" :background "grey25")
1493   (((class color) (type tty)) :foreground "yellow"))
1494 (mdw-define-face magit-diff-hunk-heading-highlight
1495   (((class color) (type x)) :foreground "grey70" :background "grey35")
1496   (((class color) (type tty)) :foreground "yellow" :background "blue"))
1497 (mdw-define-face magit-diff-added
1498   (((class color) (type x)) :foreground "#ddffdd" :background "#335533")
1499   (((class color) (type tty)) :foreground "green"))
1500 (mdw-define-face magit-diff-added-highlight
1501   (((class color) (type x)) :foreground "#cceecc" :background "#336633")
1502   (((class color) (type tty)) :foreground "green" :background "blue"))
1503 (mdw-define-face magit-diff-removed
1504   (((class color) (type x)) :foreground "#ffdddd" :background "#553333")
1505   (((class color) (type tty)) :foreground "red"))
1506 (mdw-define-face magit-diff-removed-highlight
1507   (((class color) (type x)) :foreground "#eecccc" :background "#663333")
1508   (((class color) (type tty)) :foreground "red" :background "blue"))
1509
1510 (mdw-define-face dylan-header-background
1511   (((class color) (type x)) :background "NavyBlue")
1512   (t :background "blue"))
1513
1514 (mdw-define-face erc-input-face
1515   (t :foreground "red"))
1516
1517 (mdw-define-face woman-bold
1518   (t :weight bold))
1519 (mdw-define-face woman-italic
1520   (t :slant italic))
1521
1522 (eval-after-load "rst"
1523   '(progn
1524      (mdw-define-face rst-level-1-face
1525        (t :foreground "SkyBlue1" :weight bold))
1526      (mdw-define-face rst-level-2-face
1527        (t :foreground "SeaGreen1" :weight bold))
1528      (mdw-define-face rst-level-3-face
1529        (t :weight bold))
1530      (mdw-define-face rst-level-4-face
1531        (t :slant italic))
1532      (mdw-define-face rst-level-5-face
1533        (t :underline t))
1534      (mdw-define-face rst-level-6-face
1535        ())))
1536
1537 (mdw-define-face p4-depot-added-face
1538   (t :foreground "green"))
1539 (mdw-define-face p4-depot-branch-op-face
1540   (t :foreground "yellow"))
1541 (mdw-define-face p4-depot-deleted-face
1542   (t :foreground "red"))
1543 (mdw-define-face p4-depot-unmapped-face
1544   (t :foreground "SkyBlue1"))
1545 (mdw-define-face p4-diff-change-face
1546   (t :foreground "yellow"))
1547 (mdw-define-face p4-diff-del-face
1548   (t :foreground "red"))
1549 (mdw-define-face p4-diff-file-face
1550   (t :foreground "SkyBlue1"))
1551 (mdw-define-face p4-diff-head-face
1552   (t :background "grey10"))
1553 (mdw-define-face p4-diff-ins-face
1554   (t :foreground "green"))
1555
1556 (mdw-define-face w3m-anchor-face
1557   (t :foreground "SkyBlue1" :underline t))
1558 (mdw-define-face w3m-arrived-anchor-face
1559   (t :foreground "SkyBlue1" :underline t))
1560
1561 (mdw-define-face whizzy-slice-face
1562   (t :background "grey10"))
1563 (mdw-define-face whizzy-error-face
1564   (t :background "darkred"))
1565
1566 ;; Ellipses used to indicate hidden text (and similar).
1567 (mdw-define-face mdw-ellipsis-face
1568   (((type tty)) :foreground "blue") (t :foreground "grey60"))
1569 (let ((dollar (make-glyph-code ?$ 'mdw-ellipsis-face))
1570       (backslash (make-glyph-code ?\\ 'mdw-ellipsis-face))
1571       (dot (make-glyph-code ?. 'mdw-ellipsis-face))
1572       (bar (make-glyph-code ?| mdw-ellipsis-face)))
1573   (set-display-table-slot standard-display-table 0 dollar)
1574   (set-display-table-slot standard-display-table 1 backslash)
1575   (set-display-table-slot standard-display-table 4
1576                           (vector dot dot dot))
1577   (set-display-table-slot standard-display-table 5 bar))
1578
1579 ;;;--------------------------------------------------------------------------
1580 ;;; C programming configuration.
1581
1582 ;; Make C indentation nice.
1583
1584 (defun mdw-c-lineup-arglist (langelem)
1585   "Hack for DWIMmery in c-lineup-arglist."
1586   (if (save-excursion
1587         (c-block-in-arglist-dwim (c-langelem-2nd-pos c-syntactic-element)))
1588       0
1589     (c-lineup-arglist langelem)))
1590
1591 (defun mdw-c-indent-extern-mumble (langelem)
1592   "Indent `extern \"...\" {' lines."
1593   (save-excursion
1594     (back-to-indentation)
1595     (if (looking-at
1596          "\\s-*\\<extern\\>\\s-*\"\\([^\\\\\"]+\\|\\.\\)*\"\\s-*{")
1597         c-basic-offset
1598       nil)))
1599
1600 (defun mdw-c-indent-arglist-nested (langelem)
1601   "Indent continued argument lists.
1602 If we've nested more than one argument list, then only introduce a single
1603 indentation anyway."
1604   (let ((context c-syntactic-context)
1605         (pos (c-langelem-2nd-pos c-syntactic-element))
1606         (should-indent-p t))
1607     (while (and context
1608                 (eq (caar context) 'arglist-cont-nonempty))
1609       (when (and (= (caddr (pop context)) pos)
1610                  context
1611                  (memq (caar context) '(arglist-intro
1612                                         arglist-cont-nonempty)))
1613         (setq should-indent-p nil)))
1614     (if should-indent-p '+ 0)))
1615
1616 (defvar mdw-define-c-styles-hook nil
1617   "Hook run when `cc-mode' starts up to define styles.")
1618
1619 (defmacro mdw-define-c-style (name &rest assocs)
1620   "Define a C style, called NAME (a symbol), setting ASSOCs.
1621 A function, named `mdw-define-c-style/NAME', is defined to actually install
1622 the style using `c-add-style', and added to the hook
1623 `mdw-define-c-styles-hook'.  If CC Mode is already loaded, then the style is
1624 set."
1625   (declare (indent defun))
1626   (let* ((name-string (symbol-name name))
1627          (func (intern (concat "mdw-define-c-style/" name-string))))
1628     `(progn
1629        (defun ,func () (c-add-style ,name-string ',assocs))
1630        (and (featurep 'cc-mode) (,func))
1631        (add-hook 'mdw-define-c-styles-hook ',func))))
1632
1633 (eval-after-load "cc-mode"
1634   '(run-hooks 'mdw-define-c-styles-hook))
1635
1636 (mdw-define-c-style mdw-trustonic-c
1637   (c-basic-offset . 4)
1638   (comment-column . 0)
1639   (c-indent-comment-alist (anchored-comment . (column . 0))
1640                           (end-block . (space . 1))
1641                           (cpp-end-block . (space . 1))
1642                           (other . (space . 1)))
1643   (c-class-key . "class")
1644   (c-backslash-column . 0)
1645   (c-auto-align-backslashes . nil)
1646   (c-label-minimum-indentation . 0)
1647   (c-offsets-alist (substatement-open . (add 0 c-indent-one-line-block))
1648                    (defun-open . (add 0 c-indent-one-line-block))
1649                    (arglist-cont-nonempty . mdw-c-indent-arglist-nested)
1650                    (topmost-intro . mdw-c-indent-extern-mumble)
1651                    (cpp-define-intro . 0)
1652                    (knr-argdecl . 0)
1653                    (inextern-lang . [0])
1654                    (label . 0)
1655                    (case-label . +)
1656                    (access-label . -2)
1657                    (inclass . +)
1658                    (inline-open . ++)
1659                    (statement-cont . +)
1660                    (statement-case-intro . +)))
1661
1662 (mdw-define-c-style mdw-c
1663   (c-basic-offset . 2)
1664   (comment-column . 40)
1665   (c-class-key . "class")
1666   (c-backslash-column . 72)
1667   (c-label-minimum-indentation . 0)
1668   (c-offsets-alist (substatement-open . (add 0 c-indent-one-line-block))
1669                    (defun-open . (add 0 c-indent-one-line-block))
1670                    (arglist-cont-nonempty . mdw-c-lineup-arglist)
1671                    (topmost-intro . mdw-c-indent-extern-mumble)
1672                    (cpp-define-intro . 0)
1673                    (knr-argdecl . 0)
1674                    (inextern-lang . [0])
1675                    (label . 0)
1676                    (case-label . +)
1677                    (access-label . -)
1678                    (inclass . +)
1679                    (inline-open . ++)
1680                    (statement-cont . +)
1681                    (statement-case-intro . +)))
1682
1683 (defun mdw-set-default-c-style (modes style)
1684   "Update the default CC Mode style for MODES to be STYLE.
1685
1686 MODES may be a list of major mode names or a singleton.  STYLE is a style
1687 name, as a symbol."
1688   (let ((modes (if (listp modes) modes (list modes)))
1689         (style (symbol-name style)))
1690     (setq c-default-style
1691           (append (mapcar (lambda (mode)
1692                             (cons mode style))
1693                           modes)
1694                   (remove-if (lambda (assoc)
1695                                (memq (car assoc) modes))
1696                              (if (listp c-default-style)
1697                                  c-default-style
1698                                (list (cons 'other c-default-style))))))))
1699 (setq c-default-style "mdw-c")
1700
1701 (mdw-set-default-c-style '(c-mode c++-mode) 'mdw-c)
1702
1703 (defvar mdw-c-comment-fill-prefix
1704   `((,(concat "\\([ \t]*/?\\)"
1705               "\\(\*\\|//]\\)"
1706               "\\([ \t]*\\)"
1707               "\\([A-Za-z]+:[ \t]*\\)?"
1708               mdw-hanging-indents)
1709      (pad . 1) (match . 2) (pad . 3) (pad . 4) (pad . 5)))
1710   "Fill prefix matching C comments (both kinds).")
1711
1712 (defun mdw-fontify-c-and-c++ ()
1713
1714   ;; Fiddle with some syntax codes.
1715   (modify-syntax-entry ?* ". 23")
1716   (modify-syntax-entry ?/ ". 124b")
1717   (modify-syntax-entry ?\n "> b")
1718
1719   ;; Other stuff.
1720   (setq mdw-fill-prefix mdw-c-comment-fill-prefix)
1721
1722   ;; Now define things to be fontified.
1723   (make-local-variable 'font-lock-keywords)
1724   (let ((c-keywords
1725          (mdw-regexps "alignas"          ;C11 macro, C++11
1726                       "alignof"          ;C++11
1727                       "and"              ;C++, C95 macro
1728                       "and_eq"           ;C++, C95 macro
1729                       "asm"              ;K&R, C++, GCC
1730                       "atomic"           ;C11 macro, C++11 template type
1731                       "auto"             ;K&R, C89
1732                       "bitand"           ;C++, C95 macro
1733                       "bitor"            ;C++, C95 macro
1734                       "bool"             ;C++, C99 macro
1735                       "break"            ;K&R, C89
1736                       "case"             ;K&R, C89
1737                       "catch"            ;C++
1738                       "char"             ;K&R, C89
1739                       "char16_t"         ;C++11, C11 library type
1740                       "char32_t"         ;C++11, C11 library type
1741                       "class"            ;C++
1742                       "complex"          ;C99 macro, C++ template type
1743                       "compl"            ;C++, C95 macro
1744                       "const"            ;C89
1745                       "constexpr"        ;C++11
1746                       "const_cast"       ;C++
1747                       "continue"         ;K&R, C89
1748                       "decltype"         ;C++11
1749                       "defined"          ;C89 preprocessor
1750                       "default"          ;K&R, C89
1751                       "delete"           ;C++
1752                       "do"               ;K&R, C89
1753                       "double"           ;K&R, C89
1754                       "dynamic_cast"     ;C++
1755                       "else"             ;K&R, C89
1756                       ;; "entry"         ;K&R -- never used
1757                       "enum"             ;C89
1758                       "explicit"         ;C++
1759                       "export"           ;C++
1760                       "extern"           ;K&R, C89
1761                       "float"            ;K&R, C89
1762                       "for"              ;K&R, C89
1763                       ;; "fortran"       ;K&R
1764                       "friend"           ;C++
1765                       "goto"             ;K&R, C89
1766                       "if"               ;K&R, C89
1767                       "imaginary"        ;C99 macro
1768                       "inline"           ;C++, C99, GCC
1769                       "int"              ;K&R, C89
1770                       "long"             ;K&R, C89
1771                       "mutable"          ;C++
1772                       "namespace"        ;C++
1773                       "new"              ;C++
1774                       "noexcept"         ;C++11
1775                       "noreturn"         ;C11 macro
1776                       "not"              ;C++, C95 macro
1777                       "not_eq"           ;C++, C95 macro
1778                       "nullptr"          ;C++11
1779                       "operator"         ;C++
1780                       "or"               ;C++, C95 macro
1781                       "or_eq"            ;C++, C95 macro
1782                       "private"          ;C++
1783                       "protected"        ;C++
1784                       "public"           ;C++
1785                       "register"         ;K&R, C89
1786                       "reinterpret_cast" ;C++
1787                       "restrict"         ;C99
1788                       "return"           ;K&R, C89
1789                       "short"            ;K&R, C89
1790                       "signed"           ;C89
1791                       "sizeof"           ;K&R, C89
1792                       "static"           ;K&R, C89
1793                       "static_assert"    ;C11 macro, C++11
1794                       "static_cast"      ;C++
1795                       "struct"           ;K&R, C89
1796                       "switch"           ;K&R, C89
1797                       "template"         ;C++
1798                       "throw"            ;C++
1799                       "try"              ;C++
1800                       "thread_local"     ;C11 macro, C++11
1801                       "typedef"          ;C89
1802                       "typeid"           ;C++
1803                       "typeof"           ;GCC
1804                       "typename"         ;C++
1805                       "union"            ;K&R, C89
1806                       "unsigned"         ;K&R, C89
1807                       "using"            ;C++
1808                       "virtual"          ;C++
1809                       "void"             ;C89
1810                       "volatile"         ;C89
1811                       "wchar_t"          ;C++, C89 library type
1812                       "while"            ;K&R, C89
1813                       "xor"              ;C++, C95 macro
1814                       "xor_eq"           ;C++, C95 macro
1815                       "_Alignas"         ;C11
1816                       "_Alignof"         ;C11
1817                       "_Atomic"          ;C11
1818                       "_Bool"            ;C99
1819                       "_Complex"         ;C99
1820                       "_Generic"         ;C11
1821                       "_Imaginary"       ;C99
1822                       "_Noreturn"        ;C11
1823                       "_Pragma"          ;C99 preprocessor
1824                       "_Static_assert"   ;C11
1825                       "_Thread_local"    ;C11
1826                       "__alignof__"      ;GCC
1827                       "__asm__"          ;GCC
1828                       "__attribute__"    ;GCC
1829                       "__complex__"      ;GCC
1830                       "__const__"        ;GCC
1831                       "__extension__"    ;GCC
1832                       "__imag__"         ;GCC
1833                       "__inline__"       ;GCC
1834                       "__label__"        ;GCC
1835                       "__real__"         ;GCC
1836                       "__signed__"       ;GCC
1837                       "__typeof__"       ;GCC
1838                       "__volatile__"     ;GCC
1839                       ))
1840         (c-constants
1841          (mdw-regexps "false"            ;C++, C99 macro
1842                       "this"             ;C++
1843                       "true"             ;C++, C99 macro
1844                       ))
1845         (preprocessor-keywords
1846          (mdw-regexps "assert" "define" "elif" "else" "endif" "error"
1847                       "ident" "if" "ifdef" "ifndef" "import" "include"
1848                       "line" "pragma" "unassert" "undef" "warning"))
1849         (objc-keywords
1850          (mdw-regexps "class" "defs" "encode" "end" "implementation"
1851                       "interface" "private" "protected" "protocol" "public"
1852                       "selector")))
1853
1854     (setq font-lock-keywords
1855           (list
1856
1857            ;; Fontify include files as strings.
1858            (list (concat "^[ \t]*\\#[ \t]*"
1859                          "\\(include\\|import\\)"
1860                          "[ \t]*\\(<[^>]+\\(>\\|\\)\\)")
1861                  '(2 font-lock-string-face))
1862
1863            ;; Preprocessor directives are `references'?.
1864            (list (concat "^\\([ \t]*#[ \t]*\\(\\("
1865                          preprocessor-keywords
1866                          "\\)\\>\\|[0-9]+\\|$\\)\\)")
1867                  '(1 font-lock-keyword-face))
1868
1869            ;; Handle the keywords defined above.
1870            (list (concat "@\\<\\(" objc-keywords "\\)\\>")
1871                  '(0 font-lock-keyword-face))
1872
1873            (list (concat "\\<\\(" c-keywords "\\)\\>")
1874                  '(0 font-lock-keyword-face))
1875
1876            (list (concat "\\<\\(" c-constants "\\)\\>")
1877                  '(0 font-lock-variable-name-face))
1878
1879            ;; Handle numbers too.
1880            ;;
1881            ;; This looks strange, I know.  It corresponds to the
1882            ;; preprocessor's idea of what a number looks like, rather than
1883            ;; anything sensible.
1884            (list (concat "\\(\\<[0-9]\\|\\.[0-9]\\)"
1885                          "\\([Ee][+-]\\|[0-9A-Za-z_.]\\)*")
1886                  '(0 mdw-number-face))
1887
1888            ;; And anything else is punctuation.
1889            (list "\\(\\s.\\|\\s(\\|\\s)\\|\\s\\\\|\\s/\\)"
1890                  '(0 mdw-punct-face))))))
1891
1892 ;;;--------------------------------------------------------------------------
1893 ;;; AP calc mode.
1894
1895 (define-derived-mode apcalc-mode c-mode "AP Calc"
1896   "Major mode for editing Calc code.")
1897
1898 (defun mdw-fontify-apcalc ()
1899
1900   ;; Fiddle with some syntax codes.
1901   (modify-syntax-entry ?* ". 23")
1902   (modify-syntax-entry ?/ ". 14")
1903
1904   ;; Other stuff.
1905   (setq comment-start "/* ")
1906   (setq comment-end " */")
1907   (setq mdw-fill-prefix mdw-c-comment-fill-prefix)
1908
1909   ;; Now define things to be fontified.
1910   (make-local-variable 'font-lock-keywords)
1911   (let ((c-keywords
1912          (mdw-regexps "break" "case" "cd" "continue" "define" "default"
1913                       "do" "else" "exit" "for" "global" "goto" "help" "if"
1914                       "local" "mat" "obj" "print" "quit" "read" "return"
1915                       "show" "static" "switch" "while" "write")))
1916
1917     (setq font-lock-keywords
1918           (list
1919
1920            ;; Handle the keywords defined above.
1921            (list (concat "\\<\\(" c-keywords "\\)\\>")
1922                  '(0 font-lock-keyword-face))
1923
1924            ;; Handle numbers too.
1925            ;;
1926            ;; This looks strange, I know.  It corresponds to the
1927            ;; preprocessor's idea of what a number looks like, rather than
1928            ;; anything sensible.
1929            (list (concat "\\(\\<[0-9]\\|\\.[0-9]\\)"
1930                          "\\([Ee][+-]\\|[0-9A-Za-z_.]\\)*")
1931                  '(0 mdw-number-face))
1932
1933            ;; And anything else is punctuation.
1934            (list "\\(\\s.\\|\\s(\\|\\s)\\|\\s\\\\|\\s/\\)"
1935                  '(0 mdw-punct-face))))))
1936
1937 ;;;--------------------------------------------------------------------------
1938 ;;; Java programming configuration.
1939
1940 ;; Make indentation nice.
1941
1942 (mdw-define-c-style mdw-java
1943   (c-basic-offset . 2)
1944   (c-backslash-column . 72)
1945   (c-offsets-alist (substatement-open . 0)
1946                    (label . +)
1947                    (case-label . +)
1948                    (access-label . 0)
1949                    (inclass . +)
1950                    (statement-case-intro . +)))
1951 (mdw-set-default-c-style 'java-mode 'mdw-java)
1952
1953 ;; Declare Java fontification style.
1954
1955 (defun mdw-fontify-java ()
1956
1957   ;; Other stuff.
1958   (setq mdw-fill-prefix mdw-c-comment-fill-prefix)
1959
1960   ;; Now define things to be fontified.
1961   (make-local-variable 'font-lock-keywords)
1962   (let ((java-keywords
1963          (mdw-regexps "abstract" "boolean" "break" "byte" "case" "catch"
1964                       "char" "class" "const" "continue" "default" "do"
1965                       "double" "else" "extends" "final" "finally" "float"
1966                       "for" "goto" "if" "implements" "import" "instanceof"
1967                       "int" "interface" "long" "native" "new" "package"
1968                       "private" "protected" "public" "return" "short"
1969                       "static" "switch" "synchronized" "throw" "throws"
1970                       "transient" "try" "void" "volatile" "while"))
1971
1972         (java-constants
1973          (mdw-regexps "false" "null" "super" "this" "true")))
1974
1975     (setq font-lock-keywords
1976           (list
1977
1978            ;; Handle the keywords defined above.
1979            (list (concat "\\<\\(" java-keywords "\\)\\>")
1980                  '(0 font-lock-keyword-face))
1981
1982            ;; Handle the magic constants defined above.
1983            (list (concat "\\<\\(" java-constants "\\)\\>")
1984                  '(0 font-lock-variable-name-face))
1985
1986            ;; Handle numbers too.
1987            ;;
1988            ;; The following isn't quite right, but it's close enough.
1989            (list (concat "\\<\\("
1990                          "0\\([xX][0-9a-fA-F]+\\|[0-7]+\\)\\|"
1991                          "[0-9]+\\(\\.[0-9]*\\|\\)"
1992                          "\\([eE]\\([-+]\\|\\)[0-9]+\\|\\)\\)"
1993                          "[lLfFdD]?")
1994                  '(0 mdw-number-face))
1995
1996            ;; And anything else is punctuation.
1997            (list "\\(\\s.\\|\\s(\\|\\s)\\|\\s\\\\|\\s/\\)"
1998                  '(0 mdw-punct-face))))))
1999
2000 ;;;--------------------------------------------------------------------------
2001 ;;; Javascript programming configuration.
2002
2003 (defun mdw-javascript-style ()
2004   (setq js-indent-level 2)
2005   (setq js-expr-indent-offset 0))
2006
2007 (defun mdw-fontify-javascript ()
2008
2009   ;; Other stuff.
2010   (mdw-javascript-style)
2011   (setq js-auto-indent-flag t)
2012
2013   ;; Now define things to be fontified.
2014   (make-local-variable 'font-lock-keywords)
2015   (let ((javascript-keywords
2016          (mdw-regexps "abstract" "boolean" "break" "byte" "case" "catch"
2017                       "char" "class" "const" "continue" "debugger" "default"
2018                       "delete" "do" "double" "else" "enum" "export" "extends"
2019                       "final" "finally" "float" "for" "function" "goto" "if"
2020                       "implements" "import" "in" "instanceof" "int"
2021                       "interface" "let" "long" "native" "new" "package"
2022                       "private" "protected" "public" "return" "short"
2023                       "static" "super" "switch" "synchronized" "throw"
2024                       "throws" "transient" "try" "typeof" "var" "void"
2025                       "volatile" "while" "with" "yield"
2026
2027                       "boolean" "byte" "char" "double" "float" "int" "long"
2028                       "short" "void"))
2029         (javascript-constants
2030          (mdw-regexps "false" "null" "undefined" "Infinity" "NaN" "true"
2031                       "arguments" "this")))
2032
2033     (setq font-lock-keywords
2034           (list
2035
2036            ;; Handle the keywords defined above.
2037            (list (concat "\\_<\\(" javascript-keywords "\\)\\_>")
2038                  '(0 font-lock-keyword-face))
2039
2040            ;; Handle the predefined constants defined above.
2041            (list (concat "\\_<\\(" javascript-constants "\\)\\_>")
2042                  '(0 font-lock-variable-name-face))
2043
2044            ;; Handle numbers too.
2045            ;;
2046            ;; The following isn't quite right, but it's close enough.
2047            (list (concat "\\_<\\("
2048                          "0\\([xX][0-9a-fA-F]+\\|[0-7]+\\)\\|"
2049                          "[0-9]+\\(\\.[0-9]*\\|\\)"
2050                          "\\([eE]\\([-+]\\|\\)[0-9]+\\|\\)\\)"
2051                          "[lLfFdD]?")
2052                  '(0 mdw-number-face))
2053
2054            ;; And anything else is punctuation.
2055            (list "\\(\\s.\\|\\s(\\|\\s)\\|\\s\\\\|\\s/\\)"
2056                  '(0 mdw-punct-face))))))
2057
2058 ;;;--------------------------------------------------------------------------
2059 ;;; Scala programming configuration.
2060
2061 (defun mdw-fontify-scala ()
2062
2063   ;; Comment filling.
2064   (setq mdw-fill-prefix mdw-c-comment-fill-prefix)
2065
2066   ;; Define things to be fontified.
2067   (make-local-variable 'font-lock-keywords)
2068   (let ((scala-keywords
2069          (mdw-regexps "abstract" "case" "catch" "class" "def" "do" "else"
2070                       "extends" "final" "finally" "for" "forSome" "if"
2071                       "implicit" "import" "lazy" "match" "new" "object"
2072                       "override" "package" "private" "protected" "return"
2073                       "sealed" "throw" "trait" "try" "type" "val"
2074                       "var" "while" "with" "yield"))
2075         (scala-constants
2076          (mdw-regexps "false" "null" "super" "this" "true"))
2077         (punctuation "[-!%^&*=+:@#~/?\\|`]"))
2078
2079     (setq font-lock-keywords
2080           (list
2081
2082            ;; Magical identifiers between backticks.
2083            (list (concat "`\\([^`]+\\)`")
2084                  '(1 font-lock-variable-name-face))
2085
2086            ;; Handle the keywords defined above.
2087            (list (concat "\\_<\\(" scala-keywords "\\)\\_>")
2088                  '(0 font-lock-keyword-face))
2089
2090            ;; Handle the constants defined above.
2091            (list (concat "\\_<\\(" scala-constants "\\)\\_>")
2092                  '(0 font-lock-variable-name-face))
2093
2094            ;; Magical identifiers between backticks.
2095            (list (concat "`\\([^`]+\\)`")
2096                  '(1 font-lock-variable-name-face))
2097
2098            ;; Handle numbers too.
2099            ;;
2100            ;; As usual, not quite right.
2101            (list (concat "\\_<\\("
2102                          "0\\([xX][0-9a-fA-F]+\\|[0-7]+\\)\\|"
2103                          "[0-9]+\\(\\.[0-9]*\\|\\)"
2104                          "\\([eE]\\([-+]\\|\\)[0-9]+\\|\\)\\)"
2105                          "[lLfFdD]?")
2106                  '(0 mdw-number-face))
2107
2108            ;; Identifiers with trailing operators.
2109            (list (concat "_\\(" punctuation "\\)+")
2110                  '(0 mdw-trivial-face))
2111
2112            ;; And everything else is punctuation.
2113            (list "\\(\\s.\\|\\s(\\|\\s)\\|\\s\\\\|\\s/\\)"
2114                  '(0 mdw-punct-face)))
2115
2116           font-lock-syntactic-keywords
2117           (list
2118
2119            ;; Single quotes around characters.  But not when used to quote
2120            ;; symbol names.  Ugh.
2121            (list (concat "\\('\\)"
2122                          "\\(" "."
2123                          "\\|" "\\\\" "\\(" "\\\\\\\\" "\\)*"
2124                                "u+" "[0-9a-fA-F]\\{4\\}"
2125                          "\\|" "\\\\" "[0-7]\\{1,3\\}"
2126                          "\\|" "\\\\" "." "\\)"
2127                          "\\('\\)")
2128                  '(1 "\"")
2129                  '(4 "\""))))))
2130
2131 ;;;--------------------------------------------------------------------------
2132 ;;; C# programming configuration.
2133
2134 ;; Make indentation nice.
2135
2136 (mdw-define-c-style mdw-csharp
2137   (c-basic-offset . 2)
2138   (c-backslash-column . 72)
2139   (c-offsets-alist (substatement-open . 0)
2140                    (label . 0)
2141                    (case-label . +)
2142                    (access-label . 0)
2143                    (inclass . +)
2144                    (statement-case-intro . +)))
2145 (mdw-set-default-c-style 'csharp-mode 'mdw-csharp)
2146
2147 ;; Declare C# fontification style.
2148
2149 (defun mdw-fontify-csharp ()
2150
2151   ;; Other stuff.
2152   (setq mdw-fill-prefix mdw-c-comment-fill-prefix)
2153
2154   ;; Now define things to be fontified.
2155   (make-local-variable 'font-lock-keywords)
2156   (let ((csharp-keywords
2157          (mdw-regexps "abstract" "as" "bool" "break" "byte" "case" "catch"
2158                       "char" "checked" "class" "const" "continue" "decimal"
2159                       "default" "delegate" "do" "double" "else" "enum"
2160                       "event" "explicit" "extern" "finally" "fixed" "float"
2161                       "for" "foreach" "goto" "if" "implicit" "in" "int"
2162                       "interface" "internal" "is" "lock" "long" "namespace"
2163                       "new" "object" "operator" "out" "override" "params"
2164                       "private" "protected" "public" "readonly" "ref"
2165                       "return" "sbyte" "sealed" "short" "sizeof"
2166                       "stackalloc" "static" "string" "struct" "switch"
2167                       "throw" "try" "typeof" "uint" "ulong" "unchecked"
2168                       "unsafe" "ushort" "using" "virtual" "void" "volatile"
2169                       "while" "yield"))
2170
2171         (csharp-constants
2172          (mdw-regexps "base" "false" "null" "this" "true")))
2173
2174     (setq font-lock-keywords
2175           (list
2176
2177            ;; Handle the keywords defined above.
2178            (list (concat "\\<\\(" csharp-keywords "\\)\\>")
2179                  '(0 font-lock-keyword-face))
2180
2181            ;; Handle the magic constants defined above.
2182            (list (concat "\\<\\(" csharp-constants "\\)\\>")
2183                  '(0 font-lock-variable-name-face))
2184
2185            ;; Handle numbers too.
2186            ;;
2187            ;; The following isn't quite right, but it's close enough.
2188            (list (concat "\\<\\("
2189                          "0\\([xX][0-9a-fA-F]+\\|[0-7]+\\)\\|"
2190                          "[0-9]+\\(\\.[0-9]*\\|\\)"
2191                          "\\([eE]\\([-+]\\|\\)[0-9]+\\|\\)\\)"
2192                          "[lLfFdD]?")
2193                  '(0 mdw-number-face))
2194
2195            ;; And anything else is punctuation.
2196            (list "\\(\\s.\\|\\s(\\|\\s)\\|\\s\\\\|\\s/\\)"
2197                  '(0 mdw-punct-face))))))
2198
2199 (define-derived-mode csharp-mode java-mode "C#"
2200   "Major mode for editing C# code.")
2201
2202 ;;;--------------------------------------------------------------------------
2203 ;;; F# programming configuration.
2204
2205 (setq fsharp-indent-offset 2)
2206
2207 (defun mdw-fontify-fsharp ()
2208
2209   (let ((punct "=<>+-*/|&%!@?"))
2210     (do ((i 0 (1+ i)))
2211         ((>= i (length punct)))
2212       (modify-syntax-entry (aref punct i) ".")))
2213
2214   (modify-syntax-entry ?_ "_")
2215   (modify-syntax-entry ?( "(")
2216   (modify-syntax-entry ?) ")")
2217
2218   (setq indent-tabs-mode nil)
2219
2220   (let ((fsharp-keywords
2221          (mdw-regexps "abstract" "and" "as" "assert" "atomic"
2222                       "begin" "break"
2223                       "checked" "class" "component" "const" "constraint"
2224                       "constructor" "continue"
2225                       "default" "delegate" "do" "done" "downcast" "downto"
2226                       "eager" "elif" "else" "end" "exception" "extern"
2227                       "finally" "fixed" "for" "fori" "fun" "function"
2228                       "functor"
2229                       "global"
2230                       "if" "in" "include" "inherit" "inline" "interface"
2231                       "internal"
2232                       "lazy" "let"
2233                       "match" "measure" "member" "method" "mixin" "module"
2234                       "mutable"
2235                       "namespace" "new"
2236                       "object" "of" "open" "or" "override"
2237                       "parallel" "params" "private" "process" "protected"
2238                       "public" "pure"
2239                       "rec" "recursive" "return"
2240                       "sealed" "sig" "static" "struct"
2241                       "tailcall" "then" "to" "trait" "try" "type"
2242                       "upcast" "use"
2243                       "val" "virtual" "void" "volatile"
2244                       "when" "while" "with"
2245                       "yield"))
2246
2247         (fsharp-builtins
2248          (mdw-regexps "asr" "land" "lor" "lsl" "lsr" "lxor" "mod"
2249                       "base" "false" "null" "true"))
2250
2251         (bang-keywords
2252          (mdw-regexps "do" "let" "return" "use" "yield"))
2253
2254         (preprocessor-keywords
2255          (mdw-regexps "if" "indent" "else" "endif")))
2256
2257     (setq font-lock-keywords
2258           (list (list (concat "\\(^\\|[^\"]\\)"
2259                               "\\(" "(\\*"
2260                                     "[^*]*\\*+"
2261                                     "\\(" "[^)*]" "[^*]*" "\\*+" "\\)*"
2262                                     ")"
2263                               "\\|"
2264                                     "//.*"
2265                               "\\)")
2266                       '(2 font-lock-comment-face))
2267
2268                 (list (concat "'" "\\("
2269                                     "\\\\"
2270                                     "\\(" "[ntbr'\\]"
2271                                     "\\|" "[0-9][0-9][0-9]"
2272                                     "\\|" "u" "[0-9a-fA-F]\\{4\\}"
2273                                     "\\|" "U" "[0-9a-fA-F]\\{8\\}"
2274                                     "\\)"
2275                                   "\\|"
2276                                   "." "\\)" "'"
2277                               "\\|"
2278                               "\"" "[^\"\\]*"
2279                                     "\\(" "\\\\" "\\(.\\|\n\\)"
2280                                           "[^\"\\]*" "\\)*"
2281                               "\\(\"\\|\\'\\)")
2282                       '(0 font-lock-string-face))
2283
2284                 (list (concat "\\_<\\(" bang-keywords "\\)!" "\\|"
2285                               "^#[ \t]*\\(" preprocessor-keywords "\\)\\_>"
2286                               "\\|"
2287                               "\\_<\\(" fsharp-keywords "\\)\\_>")
2288                       '(0 font-lock-keyword-face))
2289                 (list (concat "\\<\\(" fsharp-builtins "\\)\\_>")
2290                       '(0 font-lock-variable-name-face))
2291
2292                 (list (concat "\\_<"
2293                               "\\(" "0[bB][01]+" "\\|"
2294                                     "0[oO][0-7]+" "\\|"
2295                                     "0[xX][0-9a-fA-F]+" "\\)"
2296                               "\\(" "lf\\|LF" "\\|"
2297                                     "[uU]?[ysnlL]?" "\\)"
2298                               "\\|"
2299                               "\\_<"
2300                               "[0-9]+" "\\("
2301                                 "[mMQRZING]"
2302                                 "\\|"
2303                                 "\\(\\.[0-9]*\\)?"
2304                                 "\\([eE][-+]?[0-9]+\\)?"
2305                                 "[fFmM]?"
2306                                 "\\|"
2307                                 "[uU]?[ysnlL]?"
2308                               "\\)")
2309                       '(0 mdw-number-face))
2310
2311                 (list "\\(\\s.\\|\\s(\\|\\s)\\|\\s\\\\|\\s/\\)"
2312                       '(0 mdw-punct-face))))))
2313
2314 (defun mdw-fontify-inferior-fsharp ()
2315   (mdw-fontify-fsharp)
2316   (setq font-lock-keywords
2317         (append (list (list "^[#-]" '(0 font-lock-comment-face))
2318                       (list "^>" '(0 font-lock-keyword-face)))
2319                 font-lock-keywords)))
2320
2321 ;;;--------------------------------------------------------------------------
2322 ;;; Go programming configuration.
2323
2324 (defun mdw-fontify-go ()
2325
2326   (make-local-variable 'font-lock-keywords)
2327   (let ((go-keywords
2328          (mdw-regexps "break" "case" "chan" "const" "continue"
2329                       "default" "defer" "else" "fallthrough" "for"
2330                       "func" "go" "goto" "if" "import"
2331                       "interface" "map" "package" "range" "return"
2332                       "select" "struct" "switch" "type" "var"))
2333         (go-intrinsics
2334          (mdw-regexps "bool" "byte" "complex64" "complex128" "error"
2335                       "float32" "float64" "int" "uint8" "int16" "int32"
2336                       "int64" "rune" "string" "uint" "uint8" "uint16"
2337                       "uint32" "uint64" "uintptr" "void"
2338                       "false" "iota" "nil" "true"
2339                       "init" "main"
2340                       "append" "cap" "copy" "delete" "imag" "len" "make"
2341                       "new" "panic" "real" "recover")))
2342
2343     (setq font-lock-keywords
2344           (list
2345
2346            ;; Handle the keywords defined above.
2347            (list (concat "\\<\\(" go-keywords "\\)\\>")
2348                  '(0 font-lock-keyword-face))
2349            (list (concat "\\<\\(" go-intrinsics "\\)\\>")
2350                  '(0 font-lock-variable-name-face))
2351
2352            ;; Strings and characters.
2353            (list (concat "'"
2354                          "\\(" "[^\\']" "\\|"
2355                                "\\\\"
2356                                "\\(" "[abfnrtv\\'\"]" "\\|"
2357                                      "[0-7]\\{3\\}" "\\|"
2358                                      "x" "[0-9A-Fa-f]\\{2\\}" "\\|"
2359                                      "u" "[0-9A-Fa-f]\\{4\\}" "\\|"
2360                                      "U" "[0-9A-Fa-f]\\{8\\}" "\\)" "\\)"
2361                          "'"
2362                          "\\|"
2363                          "\""
2364                          "\\(" "[^\n\\\"]+" "\\|" "\\\\." "\\)*"
2365                          "\\(\"\\|$\\)"
2366                          "\\|"
2367                          "`" "[^`]+" "`")
2368                  '(0 font-lock-string-face))
2369
2370            ;; Handle numbers too.
2371            ;;
2372            ;; The following isn't quite right, but it's close enough.
2373            (list (concat "\\<\\("
2374                          "0\\([xX][0-9a-fA-F]+\\|[0-7]+\\)\\|"
2375                          "[0-9]+\\(\\.[0-9]*\\|\\)"
2376                          "\\([eE]\\([-+]\\|\\)[0-9]+\\|\\)\\)")
2377                  '(0 mdw-number-face))
2378
2379            ;; And anything else is punctuation.
2380            (list "\\(\\s.\\|\\s(\\|\\s)\\|\\s\\\\|\\s/\\)"
2381                  '(0 mdw-punct-face))))))
2382
2383 ;;;--------------------------------------------------------------------------
2384 ;;; Rust programming configuration.
2385
2386 (setq-default rust-indent-offset 2)
2387
2388 (defun mdw-self-insert-and-indent (count)
2389   (interactive "p")
2390   (self-insert-command count)
2391   (indent-according-to-mode))
2392
2393 (defun mdw-fontify-rust ()
2394
2395   ;; Hack syntax categories.
2396   (modify-syntax-entry ?= ".")
2397
2398   ;; Fontify keywords and things.
2399   (make-local-variable 'font-lock-keywords)
2400   (let ((rust-keywords
2401          (mdw-regexps "abstract" "alignof" "as"
2402                       "become" "box" "break"
2403                       "const" "continue" "create"
2404                       "do"
2405                       "else" "enum" "extern"
2406                       "false" "final" "fn" "for"
2407                       "if" "impl" "in"
2408                       "let" "loop"
2409                       "macro" "match" "mod" "move" "mut"
2410                       "offsetof" "override"
2411                       "priv" "pub" "pure"
2412                       "ref" "return"
2413                       "self" "sizeof" "static" "struct" "super"
2414                       "true" "trait" "type" "typeof"
2415                       "unsafe" "unsized" "use"
2416                       "virtual"
2417                       "where" "while"
2418                       "yield"))
2419         (rust-builtins
2420          (mdw-regexps "array" "pointer" "slice" "tuple"
2421                       "bool" "true" "false"
2422                       "f32" "f64"
2423                       "i8" "i16" "i32" "i64" "isize"
2424                       "u8" "u16" "u32" "u64" "usize"
2425                       "char" "str")))
2426     (setq font-lock-keywords
2427           (list
2428
2429            ;; Handle the keywords defined above.
2430            (list (concat "\\_<\\(" rust-keywords "\\)\\_>")
2431                  '(0 font-lock-keyword-face))
2432            (list (concat "\\_<\\(" rust-builtins "\\)\\_>")
2433                  '(0 font-lock-variable-name-face))
2434
2435            ;; Handle numbers too.
2436            (list (concat "\\_<\\("
2437                                "[0-9][0-9_]*"
2438                                "\\(" "\\(\\.[0-9_]+\\)?[eE][-+]?[0-9_]+"
2439                                "\\|" "\\.[0-9_]+"
2440                                "\\)"
2441                                "\\(f32\\|f64\\)?"
2442                          "\\|" "\\(" "[0-9][0-9_]*"
2443                                "\\|" "0x[0-9a-fA-F_]+"
2444                                "\\|" "0o[0-7_]+"
2445                                "\\|" "0b[01_]+"
2446                                "\\)"
2447                                "\\([ui]\\(8\\|16\\|32\\|64\\|s\\|size\\)\\)?"
2448                          "\\)\\_>")
2449                  '(0 mdw-number-face))
2450
2451            ;; And anything else is punctuation.
2452            (list "\\(\\s.\\|\\s(\\|\\s)\\|\\s\\\\|\\s/\\)"
2453                  '(0 mdw-punct-face)))))
2454
2455   ;; Hack key bindings.
2456   (local-set-key [?{] 'mdw-self-insert-and-indent)
2457   (local-set-key [?}] 'mdw-self-insert-and-indent))
2458
2459 ;;;--------------------------------------------------------------------------
2460 ;;; Awk programming configuration.
2461
2462 ;; Make Awk indentation nice.
2463
2464 (mdw-define-c-style mdw-awk
2465   (c-basic-offset . 2)
2466   (c-offsets-alist (substatement-open . 0)
2467                    (c-backslash-column . 72)
2468                    (statement-cont . 0)
2469                    (statement-case-intro . +)))
2470 (mdw-set-default-c-style 'awk-mode 'mdw-awk)
2471
2472 ;; Declare Awk fontification style.
2473
2474 (defun mdw-fontify-awk ()
2475
2476   ;; Miscellaneous fiddling.
2477   (mdw-standard-fill-prefix "\\([ \t]*#+[ \t]*\\)")
2478
2479   ;; Now define things to be fontified.
2480   (make-local-variable 'font-lock-keywords)
2481   (let ((c-keywords
2482          (mdw-regexps "BEGIN" "END" "ARGC" "ARGIND" "ARGV" "CONVFMT"
2483                       "ENVIRON" "ERRNO" "FIELDWIDTHS" "FILENAME" "FNR"
2484                       "FS" "IGNORECASE" "NF" "NR" "OFMT" "OFS" "ORS" "RS"
2485                       "RSTART" "RLENGTH" "RT"   "SUBSEP"
2486                       "atan2" "break" "close" "continue" "cos" "delete"
2487                       "do" "else" "exit" "exp" "fflush" "file" "for" "func"
2488                       "function" "gensub" "getline" "gsub" "if" "in"
2489                       "index" "int" "length" "log" "match" "next" "rand"
2490                       "return" "print" "printf" "sin" "split" "sprintf"
2491                       "sqrt" "srand" "strftime" "sub" "substr" "system"
2492                       "systime" "tolower" "toupper" "while")))
2493
2494     (setq font-lock-keywords
2495           (list
2496
2497            ;; Handle the keywords defined above.
2498            (list (concat "\\<\\(" c-keywords "\\)\\>")
2499                  '(0 font-lock-keyword-face))
2500
2501            ;; Handle numbers too.
2502            ;;
2503            ;; The following isn't quite right, but it's close enough.
2504            (list (concat "\\<\\("
2505                          "0\\([xX][0-9a-fA-F]+\\|[0-7]+\\)\\|"
2506                          "[0-9]+\\(\\.[0-9]*\\|\\)"
2507                          "\\([eE]\\([-+]\\|\\)[0-9]+\\|\\)\\)"
2508                          "[uUlL]*")
2509                  '(0 mdw-number-face))
2510
2511            ;; And anything else is punctuation.
2512            (list "\\(\\s.\\|\\s(\\|\\s)\\|\\s\\\\|\\s/\\)"
2513                  '(0 mdw-punct-face))))))
2514
2515 ;;;--------------------------------------------------------------------------
2516 ;;; Perl programming style.
2517
2518 ;; Perl indentation style.
2519
2520 (setq perl-indent-level 2)
2521
2522 (setq cperl-indent-level 2)
2523 (setq cperl-continued-statement-offset 2)
2524 (setq cperl-continued-brace-offset 0)
2525 (setq cperl-brace-offset -2)
2526 (setq cperl-brace-imaginary-offset 0)
2527 (setq cperl-label-offset 0)
2528
2529 ;; Define perl fontification style.
2530
2531 (defun mdw-fontify-perl ()
2532
2533   ;; Miscellaneous fiddling.
2534   (modify-syntax-entry ?$ "\\")
2535   (modify-syntax-entry ?$ "\\" font-lock-syntax-table)
2536   (modify-syntax-entry ?: "." font-lock-syntax-table)
2537   (mdw-standard-fill-prefix "\\([ \t]*#+[ \t]*\\)")
2538
2539   ;; Now define fontification things.
2540   (make-local-variable 'font-lock-keywords)
2541   (let ((perl-keywords
2542          (mdw-regexps "and"
2543                       "break"
2544                       "cmp" "continue"
2545                       "default" "do"
2546                       "else" "elsif" "eq"
2547                       "for" "foreach"
2548                       "ge" "given" "gt" "goto"
2549                       "if"
2550                       "last" "le" "local" "lt"
2551                       "my"
2552                       "ne" "next"
2553                       "or" "our"
2554                       "package"
2555                       "redo" "require" "return"
2556                       "sub"
2557                       "undef" "unless" "until" "use"
2558                       "when" "while")))
2559
2560     (setq font-lock-keywords
2561           (list
2562
2563            ;; Set up the keywords defined above.
2564            (list (concat "\\<\\(" perl-keywords "\\)\\>")
2565                  '(0 font-lock-keyword-face))
2566
2567            ;; At least numbers are simpler than C.
2568            (list (concat "\\<0\\([xX][0-9a-fA-F_]+\\|[0-7_]+\\)\\|"
2569                          "\\<[0-9][0-9_]*\\(\\.[0-9_]*\\|\\)"
2570                          "\\([eE]\\([-+]\\|\\)[0-9_]+\\|\\)")
2571                  '(0 mdw-number-face))
2572
2573            ;; And anything else is punctuation.
2574            (list "\\(\\s.\\|\\s(\\|\\s)\\|\\s\\\\|\\s/\\)"
2575                  '(0 mdw-punct-face))))))
2576
2577 (defun perl-number-tests (&optional arg)
2578   "Assign consecutive numbers to lines containing `#t'.  With ARG,
2579 strip numbers instead."
2580   (interactive "P")
2581   (save-excursion
2582     (goto-char (point-min))
2583     (let ((i 0) (fmt (if arg "" " %4d")))
2584       (while (search-forward "#t" nil t)
2585         (delete-region (point) (line-end-position))
2586         (setq i (1+ i))
2587         (insert (format fmt i)))
2588       (goto-char (point-min))
2589       (if (re-search-forward "\\(tests\\s-*=>\\s-*\\)\\w*" nil t)
2590           (replace-match (format "\\1%d" i))))))
2591
2592 ;;;--------------------------------------------------------------------------
2593 ;;; Python programming style.
2594
2595 (defun mdw-fontify-pythonic (keywords)
2596
2597   ;; Miscellaneous fiddling.
2598   (mdw-standard-fill-prefix "\\([ \t]*#+[ \t]*\\)")
2599   (setq indent-tabs-mode nil)
2600
2601   ;; Now define fontification things.
2602   (make-local-variable 'font-lock-keywords)
2603   (setq font-lock-keywords
2604         (list
2605
2606          ;; Set up the keywords defined above.
2607          (list (concat "\\_<\\(" keywords "\\)\\_>")
2608                '(0 font-lock-keyword-face))
2609
2610          ;; At least numbers are simpler than C.
2611          (list (concat "\\_<0\\([xX][0-9a-fA-F_]+\\|[0-7_]+\\)\\|"
2612                        "\\_<[0-9][0-9_]*\\(\\.[0-9_]*\\|\\)"
2613                        "\\([eE]\\([-+]\\|\\)[0-9_]+\\|[lL]\\|\\)")
2614                '(0 mdw-number-face))
2615
2616          ;; And anything else is punctuation.
2617          (list "\\(\\s.\\|\\s(\\|\\s)\\|\\s\\\\|\\s/\\)"
2618                '(0 mdw-punct-face)))))
2619
2620 ;; Define Python fontification styles.
2621
2622 (defun mdw-fontify-python ()
2623   (mdw-fontify-pythonic
2624    (mdw-regexps "and" "as" "assert" "break" "class" "continue" "def"
2625                 "del" "elif" "else" "except" "exec" "finally" "for"
2626                 "from" "global" "if" "import" "in" "is" "lambda"
2627                 "not" "or" "pass" "print" "raise" "return" "try"
2628                 "while" "with" "yield")))
2629
2630 (defun mdw-fontify-pyrex ()
2631   (mdw-fontify-pythonic
2632    (mdw-regexps "and" "as" "assert" "break" "cdef" "class" "continue"
2633                 "ctypedef" "def" "del" "elif" "else" "except" "exec"
2634                 "extern" "finally" "for" "from" "global" "if"
2635                 "import" "in" "is" "lambda" "not" "or" "pass" "print"
2636                 "raise" "return" "struct" "try" "while" "with"
2637                 "yield")))
2638
2639 ;;;--------------------------------------------------------------------------
2640 ;;; Lua programming style.
2641
2642 (setq lua-indent-level 2)
2643
2644 (defun mdw-fontify-lua ()
2645
2646   ;; Miscellaneous fiddling.
2647   (mdw-standard-fill-prefix "\\([ \t]*#+[ \t]*\\)")
2648
2649   ;; Now define fontification things.
2650   (make-local-variable 'font-lock-keywords)
2651   (let ((lua-keywords
2652          (mdw-regexps "and" "break" "do" "else" "elseif" "end"
2653                       "false" "for" "function" "goto" "if" "in" "local"
2654                       "nil" "not" "or" "repeat" "return" "then" "true"
2655                       "until" "while")))
2656     (setq font-lock-keywords
2657           (list
2658
2659            ;; Set up the keywords defined above.
2660            (list (concat "\\_<\\(" lua-keywords "\\)\\_>")
2661                  '(0 font-lock-keyword-face))
2662
2663            ;; At least numbers are simpler than C.
2664            (list (concat "\\_<\\(" "0[xX]"
2665                                    "\\(" "[0-9a-fA-F]+"
2666                                          "\\(\\.[0-9a-fA-F]*\\)?"
2667                                    "\\|" "\\.[0-9a-fA-F]+"
2668                                    "\\)"
2669                                    "\\([pP][-+]?[0-9]+\\)?"
2670                              "\\|" "\\(" "[0-9]+"
2671                                          "\\(\\.[0-9]*\\)?"
2672                                    "\\|" "\\.[0-9]+"
2673                                    "\\)"
2674                                    "\\([eE][-+]?[0-9]+\\)?"
2675                              "\\)")
2676                  '(0 mdw-number-face))
2677
2678            ;; And anything else is punctuation.
2679            (list "\\(\\s.\\|\\s(\\|\\s)\\|\\s\\\\|\\s/\\)"
2680                  '(0 mdw-punct-face))))))
2681
2682 ;;;--------------------------------------------------------------------------
2683 ;;; Icon programming style.
2684
2685 ;; Icon indentation style.
2686
2687 (setq icon-brace-offset 0
2688       icon-continued-brace-offset 0
2689       icon-continued-statement-offset 2
2690       icon-indent-level 2)
2691
2692 ;; Define Icon fontification style.
2693
2694 (defun mdw-fontify-icon ()
2695
2696   ;; Miscellaneous fiddling.
2697   (mdw-standard-fill-prefix "\\([ \t]*#+[ \t]*\\)")
2698
2699   ;; Now define fontification things.
2700   (make-local-variable 'font-lock-keywords)
2701   (let ((icon-keywords
2702          (mdw-regexps "break" "by" "case" "create" "default" "do" "else"
2703                       "end" "every" "fail" "global" "if" "initial"
2704                       "invocable" "link" "local" "next" "not" "of"
2705                       "procedure" "record" "repeat" "return" "static"
2706                       "suspend" "then" "to" "until" "while"))
2707         (preprocessor-keywords
2708          (mdw-regexps "define" "else" "endif" "error" "ifdef" "ifndef"
2709                       "include" "line" "undef")))
2710     (setq font-lock-keywords
2711           (list
2712
2713            ;; Set up the keywords defined above.
2714            (list (concat "\\<\\(" icon-keywords "\\)\\>")
2715                  '(0 font-lock-keyword-face))
2716
2717            ;; The things that Icon calls keywords.
2718            (list "&\\sw+\\>" '(0 font-lock-variable-name-face))
2719
2720            ;; At least numbers are simpler than C.
2721            (list (concat "\\<[0-9]+"
2722                          "\\([rR][0-9a-zA-Z]+\\|"
2723                          "\\.[0-9]+\\([eE][+-]?[0-9]+\\)?\\)\\>\\|"
2724                          "\\.[0-9]+\\([eE][+-]?[0-9]+\\)?\\>")
2725                  '(0 mdw-number-face))
2726
2727            ;; Preprocessor.
2728            (list (concat "^[ \t]*$[ \t]*\\<\\("
2729                          preprocessor-keywords
2730                          "\\)\\>")
2731                  '(0 font-lock-keyword-face))
2732
2733            ;; And anything else is punctuation.
2734            (list "\\(\\s.\\|\\s(\\|\\s)\\|\\s\\\\|\\s/\\)"
2735                  '(0 mdw-punct-face))))))
2736
2737 ;;;--------------------------------------------------------------------------
2738 ;;; Assembler mode.
2739
2740 (defun mdw-fontify-asm ()
2741   (modify-syntax-entry ?' "\"")
2742   (modify-syntax-entry ?. "w")
2743   (modify-syntax-entry ?\n ">")
2744   (setf fill-prefix nil)
2745   (local-set-key ";" 'self-insert-command)
2746   (mdw-standard-fill-prefix "\\([ \t]*;+[ \t]*\\)"))
2747
2748 (defun mdw-asm-set-comment ()
2749   (modify-syntax-entry ?; "."
2750                        )
2751   (modify-syntax-entry asm-comment-char "<b")
2752   (setq comment-start (string asm-comment-char ? )))
2753 (add-hook 'asm-mode-local-variables-hook 'mdw-asm-set-comment)
2754 (put 'asm-comment-char 'safe-local-variable 'characterp)
2755
2756 ;;;--------------------------------------------------------------------------
2757 ;;; TCL configuration.
2758
2759 (defun mdw-fontify-tcl ()
2760   (mapcar #'(lambda (ch) (modify-syntax-entry ch ".")) '(?$))
2761   (mdw-standard-fill-prefix "\\([ \t]*#+[ \t]*\\)")
2762   (make-local-variable 'font-lock-keywords)
2763   (setq font-lock-keywords
2764         (list
2765          (list (concat "\\<0\\([xX][0-9a-fA-F_]+\\|[0-7_]+\\)\\|"
2766                        "\\<[0-9][0-9_]*\\(\\.[0-9_]*\\|\\)"
2767                        "\\([eE]\\([-+]\\|\\)[0-9_]+\\|\\)")
2768                '(0 mdw-number-face))
2769          (list "\\(\\s.\\|\\s(\\|\\s)\\|\\s\\\\|\\s/\\)"
2770                '(0 mdw-punct-face)))))
2771
2772 ;;;--------------------------------------------------------------------------
2773 ;;; Dylan programming configuration.
2774
2775 (defun mdw-fontify-dylan ()
2776
2777   (make-local-variable 'font-lock-keywords)
2778
2779   ;; Horrors.  `dylan-mode' sets the `major-mode' name after calling this
2780   ;; hook, which undoes all of our configuration.
2781   (setq major-mode 'dylan-mode)
2782   (font-lock-set-defaults)
2783
2784   (let* ((word "[-_a-zA-Z!*@<>$%]+")
2785          (dylan-keywords (mdw-regexps
2786
2787                           "C-address" "C-callable-wrapper" "C-function"
2788                           "C-mapped-subtype" "C-pointer-type" "C-struct"
2789                           "C-subtype" "C-union" "C-variable"
2790
2791                           "above" "abstract" "afterwards" "all"
2792                           "begin" "below" "block" "by"
2793                           "case" "class" "cleanup" "constant" "create"
2794                           "define" "domain"
2795                           "else" "elseif" "end" "exception" "export"
2796                           "finally" "for" "from" "function"
2797                           "generic"
2798                           "handler"
2799                           "if" "in" "instance" "interface" "iterate"
2800                           "keyed-by"
2801                           "let" "library" "local"
2802                           "macro" "method" "module"
2803                           "otherwise"
2804                           "profiling"
2805                           "select" "slot" "subclass"
2806                           "table" "then" "to"
2807                           "unless" "until" "use"
2808                           "variable" "virtual"
2809                           "when" "while"))
2810          (sharp-keywords (mdw-regexps
2811                           "all-keys" "key" "next" "rest" "include"
2812                           "t" "f")))
2813     (setq font-lock-keywords
2814           (list (list (concat "\\<\\(" dylan-keywords
2815                               "\\|" "with\\(out\\)?-" word
2816                               "\\)\\>")
2817                       '(0 font-lock-keyword-face))
2818                 (list (concat "\\<" word ":" "\\|"
2819                               "#\\(" sharp-keywords "\\)\\>")
2820                       '(0 font-lock-variable-name-face))
2821                 (list (concat "\\("
2822                               "\\([-+]\\|\\<\\)[0-9]+" "\\("
2823                                 "\\(\\.[0-9]+\\)?" "\\([eE][-+][0-9]+\\)?"
2824                                 "\\|" "/[0-9]+"
2825                               "\\)"
2826                               "\\|" "\\.[0-9]+" "\\([eE][-+][0-9]+\\)?"
2827                               "\\|" "#b[01]+"
2828                               "\\|" "#o[0-7]+"
2829                               "\\|" "#x[0-9a-zA-Z]+"
2830                               "\\)\\>")
2831                       '(0 mdw-number-face))
2832                 (list (concat "\\("
2833                               "\\s.\\|\\s(\\|\\s)\\|\\s\\\\|\\s/\\|"
2834                               "\\_<[-+*/=<>:&|]+\\_>"
2835                               "\\)")
2836                       '(0 mdw-punct-face))))))
2837
2838 ;;;--------------------------------------------------------------------------
2839 ;;; Algol 68 configuration.
2840
2841 (setq a68-indent-step 2)
2842
2843 (defun mdw-fontify-algol-68 ()
2844
2845   ;; Fix up the syntax table.
2846   (modify-syntax-entry ?# "!" a68-mode-syntax-table)
2847   (dolist (ch '(?- ?+ ?= ?< ?> ?* ?/ ?| ?&))
2848     (modify-syntax-entry ch "." a68-mode-syntax-table))
2849
2850   (make-local-variable 'font-lock-keywords)
2851
2852   (let ((not-comment
2853          (let ((word "COMMENT"))
2854            (do ((regexp (concat "[^" (substring word 0 1) "]+")
2855                         (concat regexp "\\|"
2856                                 (substring word 0 i)
2857                                 "[^" (substring word i (1+ i)) "]"))
2858                 (i 1 (1+ i)))
2859                ((>= i (length word)) regexp)))))
2860     (setq font-lock-keywords
2861           (list (list (concat "\\<COMMENT\\>"
2862                               "\\(" not-comment "\\)\\{0,5\\}"
2863                               "\\(\\'\\|\\<COMMENT\\>\\)")
2864                       '(0 font-lock-comment-face))
2865                 (list (concat "\\<CO\\>"
2866                               "\\([^C]+\\|C[^O]\\)\\{0,5\\}"
2867                               "\\($\\|\\<CO\\>\\)")
2868                       '(0 font-lock-comment-face))
2869                 (list "\\<[A-Z_]+\\>"
2870                       '(0 font-lock-keyword-face))
2871                 (list (concat "\\<"
2872                               "[0-9]+"
2873                               "\\(\\.[0-9]+\\)?"
2874                               "\\([eE][-+]?[0-9]+\\)?"
2875                               "\\>")
2876                       '(0 mdw-number-face))
2877                 (list "\\s.\\|\\s(\\|\\s)\\|\\s\\\\|\\s/"
2878                       '(0 mdw-punct-face))))))
2879
2880 ;;;--------------------------------------------------------------------------
2881 ;;; REXX configuration.
2882
2883 (defun mdw-rexx-electric-* ()
2884   (interactive)
2885   (insert ?*)
2886   (rexx-indent-line))
2887
2888 (defun mdw-rexx-indent-newline-indent ()
2889   (interactive)
2890   (rexx-indent-line)
2891   (if abbrev-mode (expand-abbrev))
2892   (newline-and-indent))
2893
2894 (defun mdw-fontify-rexx ()
2895
2896   ;; Various bits of fiddling.
2897   (setq mdw-auto-indent nil)
2898   (local-set-key [?\C-m] 'mdw-rexx-indent-newline-indent)
2899   (local-set-key [?*] 'mdw-rexx-electric-*)
2900   (mapcar #'(lambda (ch) (modify-syntax-entry ch "w"))
2901           '(?! ?? ?# ?@ ?$))
2902   (mdw-standard-fill-prefix "\\([ \t]*/?\*[ \t]*\\)")
2903
2904   ;; Set up keywords and things for fontification.
2905   (make-local-variable 'font-lock-keywords-case-fold-search)
2906   (setq font-lock-keywords-case-fold-search t)
2907
2908   (setq rexx-indent 2)
2909   (setq rexx-end-indent rexx-indent)
2910   (setq rexx-cont-indent rexx-indent)
2911
2912   (make-local-variable 'font-lock-keywords)
2913   (let ((rexx-keywords
2914          (mdw-regexps "address" "arg" "by" "call" "digits" "do" "drop"
2915                       "else" "end" "engineering" "exit" "expose" "for"
2916                       "forever" "form" "fuzz" "if" "interpret" "iterate"
2917                       "leave" "linein" "name" "nop" "numeric" "off" "on"
2918                       "options" "otherwise" "parse" "procedure" "pull"
2919                       "push" "queue" "return" "say" "select" "signal"
2920                       "scientific" "source" "then" "trace" "to" "until"
2921                       "upper" "value" "var" "version" "when" "while"
2922                       "with"
2923
2924                       "abbrev" "abs" "bitand" "bitor" "bitxor" "b2x"
2925                       "center" "center" "charin" "charout" "chars"
2926                       "compare" "condition" "copies" "c2d" "c2x"
2927                       "datatype" "date" "delstr" "delword" "d2c" "d2x"
2928                       "errortext" "format" "fuzz" "insert" "lastpos"
2929                       "left" "length" "lineout" "lines" "max" "min"
2930                       "overlay" "pos" "queued" "random" "reverse" "right"
2931                       "sign" "sourceline" "space" "stream" "strip"
2932                       "substr" "subword" "symbol" "time" "translate"
2933                       "trunc" "value" "verify" "word" "wordindex"
2934                       "wordlength" "wordpos" "words" "xrange" "x2b" "x2c"
2935                       "x2d")))
2936
2937     (setq font-lock-keywords
2938           (list
2939
2940            ;; Set up the keywords defined above.
2941            (list (concat "\\<\\(" rexx-keywords "\\)\\>")
2942                  '(0 font-lock-keyword-face))
2943
2944            ;; Fontify all symbols the same way.
2945            (list (concat "\\<\\([0-9.][A-Za-z0-9.!?_#@$]*[Ee][+-]?[0-9]+\\|"
2946                          "[A-Za-z0-9.!?_#@$]+\\)")
2947                  '(0 font-lock-variable-name-face))
2948
2949            ;; And everything else is punctuation.
2950            (list "\\(\\s.\\|\\s(\\|\\s)\\|\\s\\\\|\\s/\\)"
2951                  '(0 mdw-punct-face))))))
2952
2953 ;;;--------------------------------------------------------------------------
2954 ;;; Standard ML programming style.
2955
2956 (defun mdw-fontify-sml ()
2957
2958   ;; Make underscore an honorary letter.
2959   (modify-syntax-entry ?' "w")
2960
2961   ;; Set fill prefix.
2962   (mdw-standard-fill-prefix "\\([ \t]*(\*[ \t]*\\)")
2963
2964   ;; Now define fontification things.
2965   (make-local-variable 'font-lock-keywords)
2966   (let ((sml-keywords
2967          (mdw-regexps "abstype" "and" "andalso" "as"
2968                       "case"
2969                       "datatype" "do"
2970                       "else" "end" "eqtype" "exception"
2971                       "fn" "fun" "functor"
2972                       "handle"
2973                       "if" "in" "include" "infix" "infixr"
2974                       "let" "local"
2975                       "nonfix"
2976                       "of" "op" "open" "orelse"
2977                       "raise" "rec"
2978                       "sharing" "sig" "signature" "struct" "structure"
2979                       "then" "type"
2980                       "val"
2981                       "where" "while" "with" "withtype")))
2982
2983     (setq font-lock-keywords
2984           (list
2985
2986            ;; Set up the keywords defined above.
2987            (list (concat "\\<\\(" sml-keywords "\\)\\>")
2988                  '(0 font-lock-keyword-face))
2989
2990            ;; At least numbers are simpler than C.
2991            (list (concat "\\<\\(\\~\\|\\)"
2992                             "\\(0\\(\\([wW]\\|\\)[xX][0-9a-fA-F]+\\|"
2993                                    "[wW][0-9]+\\)\\|"
2994                                 "\\([0-9]+\\(\\.[0-9]+\\|\\)"
2995                                          "\\([eE]\\(\\~\\|\\)"
2996                                                 "[0-9]+\\|\\)\\)\\)")
2997                  '(0 mdw-number-face))
2998
2999            ;; And anything else is punctuation.
3000            (list "\\(\\s.\\|\\s(\\|\\s)\\|\\s\\\\|\\s/\\)"
3001                  '(0 mdw-punct-face))))))
3002
3003 ;;;--------------------------------------------------------------------------
3004 ;;; Haskell configuration.
3005
3006 (defun mdw-fontify-haskell ()
3007
3008   ;; Fiddle with syntax table to get comments right.
3009   (modify-syntax-entry ?' "_")
3010   (modify-syntax-entry ?- ". 12")
3011   (modify-syntax-entry ?\n ">")
3012
3013   ;; Make punctuation be punctuation
3014   (let ((punct "=<>+-*/|&%!@?$.^:#`"))
3015     (do ((i 0 (1+ i)))
3016         ((>= i (length punct)))
3017       (modify-syntax-entry (aref punct i) ".")))
3018
3019   ;; Set fill prefix.
3020   (mdw-standard-fill-prefix "\\([ \t]*{?--?[ \t]*\\)")
3021
3022   ;; Fiddle with fontification.
3023   (make-local-variable 'font-lock-keywords)
3024   (let ((haskell-keywords
3025          (mdw-regexps "as"
3026                       "case" "ccall" "class"
3027                       "data" "default" "deriving" "do"
3028                       "else" "exists"
3029                       "forall" "foreign"
3030                       "hiding"
3031                       "if" "import" "in" "infix" "infixl" "infixr" "instance"
3032                       "let"
3033                       "mdo" "module"
3034                       "newtype"
3035                       "of"
3036                       "proc"
3037                       "qualified"
3038                       "rec"
3039                       "safe" "stdcall"
3040                       "then" "type"
3041                       "unsafe"
3042                       "where"))
3043         (control-sequences
3044          (mdw-regexps "ACK" "BEL" "BS" "CAN" "CR" "DC1" "DC2" "DC3" "DC4"
3045                       "DEL" "DLE" "EM" "ENQ" "EOT" "ESC" "ETB" "ETX" "FF"
3046                       "FS" "GS" "HT" "LF" "NAK" "NUL" "RS" "SI" "SO" "SOH"
3047                       "SP" "STX" "SUB" "SYN" "US" "VT")))
3048
3049     (setq font-lock-keywords
3050           (list
3051            (list (concat "{-" "[^-]*" "\\(-+[^-}][^-]*\\)*"
3052                               "\\(-+}\\|-*\\'\\)"
3053                          "\\|"
3054                          "--.*$")
3055                  '(0 font-lock-comment-face))
3056            (list (concat "\\_<\\(" haskell-keywords "\\)\\_>")
3057                  '(0 font-lock-keyword-face))
3058            (list (concat "'\\("
3059                          "[^\\]"
3060                          "\\|"
3061                          "\\\\"
3062                          "\\(" "[abfnrtv\\\"']" "\\|"
3063                                "^" "\\(" control-sequences "\\|"
3064                                          "[]A-Z@[\\^_]" "\\)" "\\|"
3065                                "\\|"
3066                                "[0-9]+" "\\|"
3067                                "[oO][0-7]+" "\\|"
3068                                "[xX][0-9A-Fa-f]+"
3069                          "\\)"
3070                          "\\)'")
3071                  '(0 font-lock-string-face))
3072            (list "\\_<[A-Z]\\(\\sw+\\|\\s_+\\)*\\_>"
3073                  '(0 font-lock-variable-name-face))
3074            (list (concat "\\_<0\\([xX][0-9a-fA-F]+\\|[oO][0-7]+\\)\\|"
3075                          "\\_<[0-9]+\\(\\.[0-9]*\\|\\)"
3076                          "\\([eE]\\([-+]\\|\\)[0-9]+\\|\\)")
3077                  '(0 mdw-number-face))
3078            (list "\\(\\s.\\|\\s(\\|\\s)\\|\\s\\\\|\\s/\\)"
3079                  '(0 mdw-punct-face))))))
3080
3081 ;;;--------------------------------------------------------------------------
3082 ;;; Erlang configuration.
3083
3084 (setq erlang-electric-commands nil)
3085
3086 (defun mdw-fontify-erlang ()
3087
3088   ;; Set fill prefix.
3089   (mdw-standard-fill-prefix "\\([ \t]*{?%*[ \t]*\\)")
3090
3091   ;; Fiddle with fontification.
3092   (make-local-variable 'font-lock-keywords)
3093   (let ((erlang-keywords
3094          (mdw-regexps "after" "and" "andalso"
3095                       "band" "begin" "bnot" "bor" "bsl" "bsr" "bxor"
3096                       "case" "catch" "cond"
3097                       "div" "end" "fun" "if" "let" "not"
3098                       "of" "or" "orelse"
3099                       "query" "receive" "rem" "try" "when" "xor")))
3100
3101     (setq font-lock-keywords
3102           (list
3103            (list "%.*$"
3104                  '(0 font-lock-comment-face))
3105            (list (concat "\\<\\(" erlang-keywords "\\)\\>")
3106                  '(0 font-lock-keyword-face))
3107            (list (concat "^-\\sw+\\>")
3108                  '(0 font-lock-keyword-face))
3109            (list "\\<[0-9]+\\(\\|#[0-9a-zA-Z]+\\|[eE][+-]?[0-9]+\\)\\>"
3110                  '(0 mdw-number-face))
3111            (list "\\(\\s.\\|\\s(\\|\\s)\\|\\s\\\\|\\s/\\)"
3112                  '(0 mdw-punct-face))))))
3113
3114 ;;;--------------------------------------------------------------------------
3115 ;;; Texinfo configuration.
3116
3117 (defun mdw-fontify-texinfo ()
3118
3119   ;; Set fill prefix.
3120   (mdw-standard-fill-prefix "\\([ \t]*@c[ \t]+\\)")
3121
3122   ;; Real fontification things.
3123   (make-local-variable 'font-lock-keywords)
3124   (setq font-lock-keywords
3125         (list
3126
3127          ;; Environment names are keywords.
3128          (list "@\\(end\\)  *\\([a-zA-Z]*\\)?"
3129                '(2 font-lock-keyword-face))
3130
3131          ;; Unmark escaped magic characters.
3132          (list "\\(@\\)\\([@{}]\\)"
3133                '(1 font-lock-keyword-face)
3134                '(2 font-lock-variable-name-face))
3135
3136          ;; Make sure we get comments properly.
3137          (list "@c\\(\\|omment\\)\\( .*\\)?$"
3138                '(0 font-lock-comment-face))
3139
3140          ;; Command names are keywords.
3141          (list "@\\([^a-zA-Z@]\\|[a-zA-Z@]*\\)"
3142                '(0 font-lock-keyword-face))
3143
3144          ;; Fontify TeX special characters as punctuation.
3145          (list "[{}]+"
3146                '(0 mdw-punct-face)))))
3147
3148 ;;;--------------------------------------------------------------------------
3149 ;;; TeX and LaTeX configuration.
3150
3151 (defun mdw-fontify-tex ()
3152   (setq ispell-parser 'tex)
3153   (turn-on-reftex)
3154
3155   ;; Don't make maths into a string.
3156   (modify-syntax-entry ?$ ".")
3157   (modify-syntax-entry ?$ "." font-lock-syntax-table)
3158   (local-set-key [?$] 'self-insert-command)
3159
3160   ;; Make `tab' be useful, given that tab stops in TeX don't work well.
3161   (local-set-key "\C-i" 'indent-relative)
3162   (setq indent-tabs-mode nil)
3163
3164   ;; Set fill prefix.
3165   (mdw-standard-fill-prefix "\\([ \t]*%+[ \t]*\\)")
3166
3167   ;; Real fontification things.
3168   (make-local-variable 'font-lock-keywords)
3169   (setq font-lock-keywords
3170         (list
3171
3172          ;; Environment names are keywords.
3173          (list (concat "\\\\\\(begin\\|end\\|newenvironment\\)"
3174                        "{\\([^}\n]*\\)}")
3175                '(2 font-lock-keyword-face))
3176
3177          ;; Suspended environment names are keywords too.
3178          (list (concat "\\\\\\(suspend\\|resume\\)\\(\\[[^]]*\\]\\)?"
3179                        "{\\([^}\n]*\\)}")
3180                '(3 font-lock-keyword-face))
3181
3182          ;; Command names are keywords.
3183          (list "\\\\\\([^a-zA-Z@]\\|[a-zA-Z@]*\\)"
3184                '(0 font-lock-keyword-face))
3185
3186          ;; Handle @/.../ for italics.
3187          ;; (list "\\(@/\\)\\([^/]*\\)\\(/\\)"
3188          ;;       '(1 font-lock-keyword-face)
3189          ;;       '(3 font-lock-keyword-face))
3190
3191          ;; Handle @*...* for boldness.
3192          ;; (list "\\(@\\*\\)\\([^*]*\\)\\(\\*\\)"
3193          ;;       '(1 font-lock-keyword-face)
3194          ;;       '(3 font-lock-keyword-face))
3195
3196          ;; Handle @`...' for literal syntax things.
3197          ;; (list "\\(@`\\)\\([^']*\\)\\('\\)"
3198          ;;       '(1 font-lock-keyword-face)
3199          ;;       '(3 font-lock-keyword-face))
3200
3201          ;; Handle @<...> for nonterminals.
3202          ;; (list "\\(@<\\)\\([^>]*\\)\\(>\\)"
3203          ;;       '(1 font-lock-keyword-face)
3204          ;;       '(3 font-lock-keyword-face))
3205
3206          ;; Handle other @-commands.
3207          ;; (list "@\\([^a-zA-Z]\\|[a-zA-Z]*\\)"
3208          ;;       '(0 font-lock-keyword-face))
3209
3210          ;; Make sure we get comments properly.
3211          (list "%.*"
3212                '(0 font-lock-comment-face))
3213
3214          ;; Fontify TeX special characters as punctuation.
3215          (list "[$^_{}#&]"
3216                '(0 mdw-punct-face)))))
3217
3218 (eval-after-load 'font-latex
3219   '(defun font-latex-jit-lock-force-redisplay (buf start end)
3220      "Compatibility for Emacsen not offering `jit-lock-force-redisplay'."
3221      ;; The following block is an expansion of `jit-lock-force-redisplay'
3222      ;; and involved macros taken from CVS Emacs on 2007-04-28.
3223      (with-current-buffer buf
3224        (let ((modified (buffer-modified-p)))
3225          (unwind-protect
3226              (let ((buffer-undo-list t)
3227                    (inhibit-read-only t)
3228                    (inhibit-point-motion-hooks t)
3229                    (inhibit-modification-hooks t)
3230                    deactivate-mark
3231                    buffer-file-name
3232                    buffer-file-truename)
3233                (put-text-property start end 'fontified t))
3234            (unless modified
3235              (restore-buffer-modified-p nil)))))))
3236
3237 ;;;--------------------------------------------------------------------------
3238 ;;; SGML hacking.
3239
3240 (defun mdw-sgml-mode ()
3241   (interactive)
3242   (sgml-mode)
3243   (mdw-standard-fill-prefix "")
3244   (make-local-variable 'sgml-delimiters)
3245   (setq sgml-delimiters
3246         '("AND" "&" "COM" "--" "CRO" "&#" "DSC" "]" "DSO" "[" "DTGC" "]"
3247           "DTGO" "[" "ERO" "&" "ETAGO" ":e" "GRPC" ")" "GRPO" "(" "LIT" "\""
3248           "LITA" "'" "MDC" ">" "MDO" "<!" "MINUS" "-" "MSC" "]]" "NESTC" "{"
3249           "NET" "}" "OPT" "?" "OR" "|" "PERO" "%" "PIC" ">" "PIO" "<?"
3250           "PLUS" "+" "REFC" "." "REP" "*" "RNI" "#" "SEQ" "," "STAGO" ":"
3251           "TAGC" "." "VI" "=" "MS-START" "<![" "MS-END" "]]>"
3252           "XML-ECOM" "-->" "XML-PIC" "?>" "XML-SCOM" "<!--" "XML-TAGCE" "/>"
3253           "NULL" ""))
3254   (setq major-mode 'mdw-sgml-mode)
3255   (setq mode-name "[mdw] SGML")
3256   (run-hooks 'mdw-sgml-mode-hook))
3257
3258 ;;;--------------------------------------------------------------------------
3259 ;;; Configuration files.
3260
3261 (defvar mdw-conf-quote-normal nil
3262   "*Control syntax category of quote characters `\"' and `''.
3263 If this is `t', consider quote characters to be normal
3264 punctuation, as for `conf-quote-normal'.  If this is `nil' then
3265 leave quote characters as quotes.  If this is a list, then
3266 consider the quote characters in the list to be normal
3267 punctuation.  If this is a single quote character, then consider
3268 that character only to be normal punctuation.")
3269 (defun mdw-conf-quote-normal-acceptable-value-p (value)
3270   "Is the VALUE is an acceptable value for `mdw-conf-quote-normal'?"
3271   (or (booleanp value)
3272       (every (lambda (v) (memq v '(?\" ?')))
3273              (if (listp value) value (list value)))))
3274 (put 'mdw-conf-quote-normal 'safe-local-variable
3275      'mdw-conf-quote-normal-acceptable-value-p)
3276
3277 (defun mdw-fix-up-quote ()
3278   "Apply the setting of `mdw-conf-quote-normal'."
3279   (let ((flag mdw-conf-quote-normal))
3280     (cond ((eq flag t)
3281            (conf-quote-normal t))
3282           ((not flag)
3283            nil)
3284           (t
3285            (let ((table (copy-syntax-table (syntax-table))))
3286              (mapc (lambda (ch) (modify-syntax-entry ch "." table))
3287                    (if (listp flag) flag (list flag)))
3288              (set-syntax-table table)
3289              (and font-lock-mode (font-lock-fontify-buffer)))))))
3290 (add-hook 'conf-mode-local-variables-hook 'mdw-fix-up-quote t t)
3291
3292 ;;;--------------------------------------------------------------------------
3293 ;;; Shell scripts.
3294
3295 (defun mdw-setup-sh-script-mode ()
3296
3297   ;; Fetch the shell interpreter's name.
3298   (let ((shell-name sh-shell-file))
3299
3300     ;; Try reading the hash-bang line.
3301     (save-excursion
3302       (goto-char (point-min))
3303       (if (looking-at "#![ \t]*\\([^ \t\n]*\\)")
3304           (setq shell-name (match-string 1))))
3305
3306     ;; Now try to set the shell.
3307     ;;
3308     ;; Don't let `sh-set-shell' bugger up my script.
3309     (let ((executable-set-magic #'(lambda (s &rest r) s)))
3310       (sh-set-shell shell-name)))
3311
3312   ;; Don't insert here-document scaffolding automatically.
3313   (local-set-key "<" 'self-insert-command)
3314
3315   ;; Now enable my keys and the fontification.
3316   (mdw-misc-mode-config)
3317
3318   ;; Set the indentation level correctly.
3319   (setq sh-indentation 2)
3320   (setq sh-basic-offset 2))
3321
3322 (setq sh-shell-file "/bin/sh")
3323
3324 ;; Awful hacking to override the shell detection for particular scripts.
3325 (defmacro define-custom-shell-mode (name shell)
3326   `(defun ,name ()
3327      (interactive)
3328      (set (make-local-variable 'sh-shell-file) ,shell)
3329      (sh-mode)))
3330 (define-custom-shell-mode bash-mode "/bin/bash")
3331 (define-custom-shell-mode rc-mode "/usr/bin/rc")
3332 (put 'sh-shell-file 'permanent-local t)
3333
3334 ;; Hack the rc syntax table.  Backquotes aren't paired in rc.
3335 (eval-after-load "sh-script"
3336   '(or (assq 'rc sh-mode-syntax-table-input)
3337        (let ((frag '(nil
3338                      ?# "<"
3339                      ?\n ">#"
3340                      ?\" "\"\""
3341                      ?\' "\"\'"
3342                      ?$ "'"
3343                      ?\` "."
3344                      ?! "_"
3345                      ?% "_"
3346                      ?. "_"
3347                      ?^ "_"
3348                      ?~ "_"
3349                      ?, "_"
3350                      ?= "."
3351                      ?< "."
3352                      ?> "."))
3353              (assoc (assq 'rc sh-mode-syntax-table-input)))
3354          (if assoc
3355              (rplacd assoc frag)
3356            (setq sh-mode-syntax-table-input
3357                  (cons (cons 'rc frag)
3358                        sh-mode-syntax-table-input))))))
3359
3360 ;;;--------------------------------------------------------------------------
3361 ;;; Emacs shell mode.
3362
3363 (defun mdw-eshell-prompt ()
3364   (let ((left "[") (right "]"))
3365     (when (= (user-uid) 0)
3366       (setq left "«" right "»"))
3367     (concat left
3368             (save-match-data
3369               (replace-regexp-in-string "\\..*$" "" (system-name)))
3370             " "
3371             (let* ((pwd (eshell/pwd)) (npwd (length pwd))
3372                    (home (expand-file-name "~")) (nhome (length home)))
3373               (if (and (>= npwd nhome)
3374                        (or (= nhome npwd)
3375                            (= (elt pwd nhome) ?/))
3376                        (string= (substring pwd 0 nhome) home))
3377                   (concat "~" (substring pwd (length home)))
3378                 pwd))
3379             right)))
3380 (setq eshell-prompt-function 'mdw-eshell-prompt)
3381 (setq eshell-prompt-regexp "^\\[[^]>]+\\(\\]\\|>>?\\)")
3382
3383 (defun eshell/e (file) (find-file file) nil)
3384 (defun eshell/ee (file) (find-file-other-window file) nil)
3385 (defun eshell/w3m (url) (w3m-goto-url url) nil)
3386
3387 (mdw-define-face eshell-prompt (t :weight bold))
3388 (mdw-define-face eshell-ls-archive (t :weight bold :foreground "red"))
3389 (mdw-define-face eshell-ls-backup (t :foreground "lightgrey" :slant italic))
3390 (mdw-define-face eshell-ls-product (t :foreground "lightgrey" :slant italic))
3391 (mdw-define-face eshell-ls-clutter (t :foreground "lightgrey" :slant italic))
3392 (mdw-define-face eshell-ls-executable (t :weight bold))
3393 (mdw-define-face eshell-ls-directory (t :foreground "cyan" :weight bold))
3394 (mdw-define-face eshell-ls-readonly (t nil))
3395 (mdw-define-face eshell-ls-symlink (t :foreground "cyan"))
3396
3397 ;;;--------------------------------------------------------------------------
3398 ;;; Messages-file mode.
3399
3400 (defun messages-mode-guts ()
3401   (setq messages-mode-syntax-table (make-syntax-table))
3402   (set-syntax-table messages-mode-syntax-table)
3403   (modify-syntax-entry ?0 "w" messages-mode-syntax-table)
3404   (modify-syntax-entry ?1 "w" messages-mode-syntax-table)
3405   (modify-syntax-entry ?2 "w" messages-mode-syntax-table)
3406   (modify-syntax-entry ?3 "w" messages-mode-syntax-table)
3407   (modify-syntax-entry ?4 "w" messages-mode-syntax-table)
3408   (modify-syntax-entry ?5 "w" messages-mode-syntax-table)
3409   (modify-syntax-entry ?6 "w" messages-mode-syntax-table)
3410   (modify-syntax-entry ?7 "w" messages-mode-syntax-table)
3411   (modify-syntax-entry ?8 "w" messages-mode-syntax-table)
3412   (modify-syntax-entry ?9 "w" messages-mode-syntax-table)
3413   (make-local-variable 'comment-start)
3414   (make-local-variable 'comment-end)
3415   (make-local-variable 'indent-line-function)
3416   (setq indent-line-function 'indent-relative)
3417   (mdw-standard-fill-prefix "\\([ \t]*\\(;\\|/?\\*\\)+[ \t]*\\)")
3418   (make-local-variable 'font-lock-defaults)
3419   (make-local-variable 'messages-mode-keywords)
3420   (let ((keywords
3421          (mdw-regexps "array" "bitmap" "callback" "docs[ \t]+enum"
3422                       "export" "enum" "fixed-octetstring" "flags"
3423                       "harmless" "map" "nested" "optional"
3424                       "optional-tagged" "package" "primitive"
3425                       "primitive-nullfree" "relaxed[ \t]+enum"
3426                       "set" "table" "tagged-optional"   "union"
3427                       "variadic" "vector" "version" "version-tag")))
3428     (setq messages-mode-keywords
3429           (list
3430            (list (concat "\\<\\(" keywords "\\)\\>:")
3431                  '(0 font-lock-keyword-face))
3432            '("\\([-a-zA-Z0-9]+:\\)" (0 font-lock-warning-face))
3433            '("\\(\\<[a-z][-_a-zA-Z0-9]*\\)"
3434              (0 font-lock-variable-name-face))
3435            '("\\<\\([0-9]+\\)\\>" (0 mdw-number-face))
3436            '("\\(\\s.\\|\\s(\\|\\s)\\|\\s\\\\|\\s/\\)"
3437              (0 mdw-punct-face)))))
3438   (setq font-lock-defaults
3439         '(messages-mode-keywords nil nil nil nil))
3440   (run-hooks 'messages-file-hook))
3441
3442 (defun messages-mode ()
3443   (interactive)
3444   (fundamental-mode)
3445   (setq major-mode 'messages-mode)
3446   (setq mode-name "Messages")
3447   (messages-mode-guts)
3448   (modify-syntax-entry ?# "<" messages-mode-syntax-table)
3449   (modify-syntax-entry ?\n ">" messages-mode-syntax-table)
3450   (setq comment-start "# ")
3451   (setq comment-end "")
3452   (run-hooks 'messages-mode-hook))
3453
3454 (defun cpp-messages-mode ()
3455   (interactive)
3456   (fundamental-mode)
3457   (setq major-mode 'cpp-messages-mode)
3458   (setq mode-name "CPP Messages")
3459   (messages-mode-guts)
3460   (modify-syntax-entry ?* ". 23" messages-mode-syntax-table)
3461   (modify-syntax-entry ?/ ". 14" messages-mode-syntax-table)
3462   (setq comment-start "/* ")
3463   (setq comment-end " */")
3464   (let ((preprocessor-keywords
3465          (mdw-regexps "assert" "define" "elif" "else" "endif" "error"
3466                       "ident" "if" "ifdef" "ifndef" "import" "include"
3467                       "line" "pragma" "unassert" "undef" "warning")))
3468     (setq messages-mode-keywords
3469           (append (list (list (concat "^[ \t]*\\#[ \t]*"
3470                                       "\\(include\\|import\\)"
3471                                       "[ \t]*\\(<[^>]+\\(>\\|\\)\\)")
3472                               '(2 font-lock-string-face))
3473                         (list (concat "^\\([ \t]*#[ \t]*\\(\\("
3474                                       preprocessor-keywords
3475                                       "\\)\\>\\|[0-9]+\\|$\\)\\)")
3476                               '(1 font-lock-keyword-face)))
3477                   messages-mode-keywords)))
3478   (run-hooks 'cpp-messages-mode-hook))
3479
3480 (add-hook 'messages-mode-hook 'mdw-misc-mode-config t)
3481 (add-hook 'cpp-messages-mode-hook 'mdw-misc-mode-config t)
3482 ; (add-hook 'messages-file-hook 'mdw-fontify-messages t)
3483
3484 ;;;--------------------------------------------------------------------------
3485 ;;; Messages-file mode.
3486
3487 (defvar mallow-driver-substitution-face 'mallow-driver-substitution-face
3488   "Face to use for subsittution directives.")
3489 (make-face 'mallow-driver-substitution-face)
3490 (defvar mallow-driver-text-face 'mallow-driver-text-face
3491   "Face to use for body text.")
3492 (make-face 'mallow-driver-text-face)
3493
3494 (defun mallow-driver-mode ()
3495   (interactive)
3496   (fundamental-mode)
3497   (setq major-mode 'mallow-driver-mode)
3498   (setq mode-name "Mallow driver")
3499   (setq mallow-driver-mode-syntax-table (make-syntax-table))
3500   (set-syntax-table mallow-driver-mode-syntax-table)
3501   (make-local-variable 'comment-start)
3502   (make-local-variable 'comment-end)
3503   (make-local-variable 'indent-line-function)
3504   (setq indent-line-function 'indent-relative)
3505   (mdw-standard-fill-prefix "\\([ \t]*\\(;\\|/?\\*\\)+[ \t]*\\)")
3506   (make-local-variable 'font-lock-defaults)
3507   (make-local-variable 'mallow-driver-mode-keywords)
3508   (let ((keywords
3509          (mdw-regexps "each" "divert" "file" "if"
3510                       "perl" "set" "string" "type" "write")))
3511     (setq mallow-driver-mode-keywords
3512           (list
3513            (list (concat "^%\\s *\\(}\\|\\(" keywords "\\)\\>\\).*$")
3514                  '(0 font-lock-keyword-face))
3515            (list "^%\\s *\\(#.*\\|\\)$"
3516                  '(0 font-lock-comment-face))
3517            (list "^%"
3518                  '(0 font-lock-keyword-face))
3519            (list "^|?\\(.+\\)$" '(1 mallow-driver-text-face))
3520            (list "\\${[^}]*}"
3521                  '(0 mallow-driver-substitution-face t)))))
3522   (setq font-lock-defaults
3523         '(mallow-driver-mode-keywords nil nil nil nil))
3524   (modify-syntax-entry ?\" "_" mallow-driver-mode-syntax-table)
3525   (modify-syntax-entry ?\n ">" mallow-driver-mode-syntax-table)
3526   (setq comment-start "%# ")
3527   (setq comment-end "")
3528   (run-hooks 'mallow-driver-mode-hook))
3529
3530 (add-hook 'mallow-driver-hook 'mdw-misc-mode-config t)
3531
3532 ;;;--------------------------------------------------------------------------
3533 ;;; NFast debugs.
3534
3535 (defun nfast-debug-mode ()
3536   (interactive)
3537   (fundamental-mode)
3538   (setq major-mode 'nfast-debug-mode)
3539   (setq mode-name "NFast debug")
3540   (setq messages-mode-syntax-table (make-syntax-table))
3541   (set-syntax-table messages-mode-syntax-table)
3542   (make-local-variable 'font-lock-defaults)
3543   (make-local-variable 'nfast-debug-mode-keywords)
3544   (setq truncate-lines t)
3545   (setq nfast-debug-mode-keywords
3546         (list
3547          '("^\\(NFast_\\(Connect\\|Disconnect\\|Submit\\|Wait\\)\\)"
3548            (0 font-lock-keyword-face))
3549          (list (concat "^[ \t]+\\(\\("
3550                        "[0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F]"
3551                        "[0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F]"
3552                        "[ \t]+\\)*"
3553                        "[0-9a-fA-F]+\\)[ \t]*$")
3554            '(0 mdw-number-face))
3555          '("^[ \t]+\.status=[ \t]+\\<\\(OK\\)\\>"
3556            (1 font-lock-keyword-face))
3557          '("^[ \t]+\.status=[ \t]+\\<\\([a-zA-Z][0-9a-zA-Z]*\\)\\>"
3558            (1 font-lock-warning-face))
3559          '("^[ \t]+\.status[ \t]+\\<\\(zero\\)\\>"
3560            (1 nil))
3561          (list (concat "^[ \t]+\\.cmd=[ \t]+"
3562                        "\\<\\([a-zA-Z][0-9a-zA-Z]*\\)\\>")
3563            '(1 font-lock-keyword-face))
3564          '("-?\\<\\([0-9]+\\|0x[0-9a-fA-F]+\\)\\>" (0 mdw-number-face))
3565          '("^\\([ \t]+[a-z0-9.]+\\)" (0 font-lock-variable-name-face))
3566          '("\\<\\([a-z][a-z0-9.]+\\)\\>=" (1 font-lock-variable-name-face))
3567          '("\\(\\s.\\|\\s(\\|\\s)\\|\\s\\\\|\\s/\\)" (0 mdw-punct-face))))
3568   (setq font-lock-defaults
3569         '(nfast-debug-mode-keywords nil nil nil nil))
3570   (run-hooks 'nfast-debug-mode-hook))
3571
3572 ;;;--------------------------------------------------------------------------
3573 ;;; Other languages.
3574
3575 ;; Smalltalk.
3576
3577 (defun mdw-setup-smalltalk ()
3578   (and mdw-auto-indent
3579        (local-set-key "\C-m" 'smalltalk-newline-and-indent))
3580   (make-local-variable 'mdw-auto-indent)
3581   (setq mdw-auto-indent nil)
3582   (local-set-key "\C-i" 'smalltalk-reindent))
3583
3584 (defun mdw-fontify-smalltalk ()
3585   (make-local-variable 'font-lock-keywords)
3586   (setq font-lock-keywords
3587         (list
3588          (list "\\<[A-Z][a-zA-Z0-9]*\\>"
3589                '(0 font-lock-keyword-face))
3590          (list (concat "\\<0\\([xX][0-9a-fA-F_]+\\|[0-7_]+\\)\\|"
3591                        "[0-9][0-9_]*\\(\\.[0-9_]*\\|\\)"
3592                        "\\([eE]\\([-+]\\|\\)[0-9_]+\\|\\)")
3593                '(0 mdw-number-face))
3594          (list "\\(\\s.\\|\\s(\\|\\s)\\|\\s\\\\|\\s/\\)"
3595                '(0 mdw-punct-face)))))
3596
3597 ;; Lispy languages.
3598
3599 ;; Unpleasant bodge.
3600 (unless (boundp 'slime-repl-mode-map)
3601   (setq slime-repl-mode-map (make-sparse-keymap)))
3602
3603 (defun mdw-indent-newline-and-indent ()
3604   (interactive)
3605   (indent-for-tab-command)
3606   (newline-and-indent))
3607
3608 (eval-after-load "cl-indent"
3609   '(progn
3610      (mapc #'(lambda (pair)
3611                (put (car pair)
3612                     'common-lisp-indent-function
3613                     (cdr pair)))
3614       '((destructuring-bind . ((&whole 4 &rest 1) 4 &body))
3615         (multiple-value-bind . ((&whole 4 &rest 1) 4 &body))))))
3616
3617 (defun mdw-common-lisp-indent ()
3618   (make-local-variable 'lisp-indent-function)
3619   (setq lisp-indent-function 'common-lisp-indent-function))
3620
3621 (setq lisp-simple-loop-indentation 2
3622       lisp-loop-keyword-indentation 6
3623       lisp-loop-forms-indentation 6)
3624
3625 (defun mdw-fontify-lispy ()
3626
3627   ;; Set fill prefix.
3628   (mdw-standard-fill-prefix "\\([ \t]*;+[ \t]*\\)")
3629
3630   ;; Not much fontification needed.
3631   (make-local-variable 'font-lock-keywords)
3632   (setq font-lock-keywords
3633         (list (list (concat "\\("
3634                             "\\_<[-+]?"
3635                             "\\(" "[0-9]+/[0-9]+"
3636                             "\\|" "\\(" "[0-9]+" "\\(\\.[0-9]*\\)?" "\\|"
3637                                         "\\.[0-9]+" "\\)"
3638                                   "\\([dDeEfFlLsS][-+]?[0-9]+\\)?"
3639                             "\\)"
3640                             "\\|"
3641                             "#"
3642                             "\\(" "x" "[-+]?"
3643                                   "[0-9A-Fa-f]+" "\\(/[0-9A-Fa-f]+\\)?"
3644                             "\\|" "o" "[-+]?" "[0-7]+" "\\(/[0-7]+\\)?"
3645                             "\\|" "b" "[-+]?" "[01]+" "\\(/[01]+\\)?"
3646                             "\\|" "[0-9]+" "r" "[-+]?"
3647                                   "[0-9a-zA-Z]+" "\\(/[0-9a-zA-Z]+\\)?"
3648                             "\\)"
3649                             "\\)\\_>")
3650                     '(0 mdw-number-face))
3651               (list "\\(\\s.\\|\\s(\\|\\s)\\|\\s\\\\|\\s/\\)"
3652                     '(0 mdw-punct-face)))))
3653
3654 (defun comint-send-and-indent ()
3655   (interactive)
3656   (comint-send-input)
3657   (and mdw-auto-indent
3658        (indent-for-tab-command)))
3659
3660 (defun mdw-setup-m4 ()
3661
3662   ;; Inexplicably, Emacs doesn't match braces in m4 mode.  This is very
3663   ;; annoying: fix it.
3664   (modify-syntax-entry ?{ "(")
3665   (modify-syntax-entry ?} ")")
3666
3667   ;; Fill prefix.
3668   (mdw-standard-fill-prefix "\\([ \t]*\\(?:#+\\|\\<dnl\\>\\)[ \t]*\\)"))
3669
3670 ;;;--------------------------------------------------------------------------
3671 ;;; Text mode.
3672
3673 (defun mdw-text-mode ()
3674   (setq fill-column 72)
3675   (flyspell-mode t)
3676   (mdw-standard-fill-prefix
3677    "\\([ \t]*\\([>#|:] ?\\)*[ \t]*\\)" 3)
3678   (auto-fill-mode 1))
3679
3680 ;;;--------------------------------------------------------------------------
3681 ;;; Outline and hide/show modes.
3682
3683 (defun mdw-outline-collapse-all ()
3684   "Completely collapse everything in the entire buffer."
3685   (interactive)
3686   (save-excursion
3687     (goto-char (point-min))
3688     (while (< (point) (point-max))
3689       (hide-subtree)
3690       (forward-line))))
3691
3692 (setq hs-hide-comments-when-hiding-all nil)
3693
3694 (defadvice hs-hide-all (after hide-first-comment activate)
3695   (save-excursion (hs-hide-initial-comment-block)))
3696
3697 ;;;--------------------------------------------------------------------------
3698 ;;; Shell mode.
3699
3700 (defun mdw-sh-mode-setup ()
3701   (local-set-key [?\C-a] 'comint-bol)
3702   (add-hook 'comint-output-filter-functions
3703             'comint-watch-for-password-prompt))
3704
3705 (defun mdw-term-mode-setup ()
3706   (setq term-prompt-regexp shell-prompt-pattern)
3707   (make-local-variable 'mouse-yank-at-point)
3708   (make-local-variable 'transient-mark-mode)
3709   (setq mouse-yank-at-point t)
3710   (auto-fill-mode -1)
3711   (setq tab-width 8))
3712
3713 (defun term-send-meta-right () (interactive) (term-send-raw-string "\e\e[C"))
3714 (defun term-send-meta-left  () (interactive) (term-send-raw-string "\e\e[D"))
3715 (defun term-send-ctrl-uscore () (interactive) (term-send-raw-string "\C-_"))
3716 (defun term-send-meta-meta-something ()
3717   (interactive)
3718   (term-send-raw-string "\e\e")
3719   (term-send-raw))
3720 (eval-after-load 'term
3721   '(progn
3722      (define-key term-raw-map [?\e ?\e] nil)
3723      (define-key term-raw-map [?\e ?\e t] 'term-send-meta-meta-something)
3724      (define-key term-raw-map [?\C-/] 'term-send-ctrl-uscore)
3725      (define-key term-raw-map [M-right] 'term-send-meta-right)
3726      (define-key term-raw-map [?\e ?\M-O ?C] 'term-send-meta-right)
3727      (define-key term-raw-map [M-left] 'term-send-meta-left)
3728      (define-key term-raw-map [?\e ?\M-O ?D] 'term-send-meta-left)))
3729
3730 (defadvice term-exec (before program-args-list compile activate)
3731   "If the PROGRAM argument is a list, interpret it as (PROGRAM . SWITCHES).
3732 This allows you to pass a list of arguments through `ansi-term'."
3733   (let ((program (ad-get-arg 2)))
3734     (if (listp program)
3735         (progn
3736           (ad-set-arg 2 (car program))
3737           (ad-set-arg 4 (cdr program))))))
3738
3739 (defun ssh (host)
3740   "Open a terminal containing an ssh session to the HOST."
3741   (interactive "sHost: ")
3742   (ansi-term (list "ssh" host) (format "ssh@%s" host)))
3743
3744 (defvar git-grep-command
3745   "env PAGER=cat git grep --no-color -nH -e "
3746   "*The default command for \\[git-grep].")
3747
3748 (defvar git-grep-history nil)
3749
3750 (defun git-grep (command-args)
3751   "Run `git grep' with user-specified args and collect output in a buffer."
3752   (interactive
3753    (list (read-shell-command "Run git grep (like this): "
3754                              git-grep-command 'git-grep-history)))
3755   (grep command-args))
3756
3757 ;;;--------------------------------------------------------------------------
3758 ;;; Magit configuration.
3759
3760 (setq magit-diff-refine-hunk 'all
3761       magit-view-git-manual-method 'man
3762       magit-log-margin '(nil age magit-log-margin-width t 18)
3763       magit-wip-after-save-local-mode-lighter ""
3764       magit-wip-after-apply-mode-lighter ""
3765       magit-wip-before-change-mode-lighter "")
3766 (eval-after-load "magit"
3767   '(progn (global-magit-file-mode 1)
3768           (magit-wip-after-save-mode 1)
3769           (magit-wip-after-apply-mode 1)
3770           (magit-wip-before-change-mode 1)
3771           (add-to-list 'magit-no-confirm 'safe-with-wip)
3772           (push '(:eval (if (or magit-wip-after-save-local-mode
3773                                 magit-wip-after-apply-mode
3774                                 magit-wip-before-change-mode)
3775                             (format " wip:%s%s%s"
3776                                     (if magit-wip-after-apply-mode "A" "")
3777                                     (if magit-wip-before-change-mode "C" "")
3778                                     (if magit-wip-after-save-local-mode "S" ""))))
3779                 minor-mode-alist)
3780           (dolist (popup '(magit-diff-popup
3781                            magit-diff-refresh-popup
3782                            magit-diff-mode-refresh-popup
3783                            magit-revision-mode-refresh-popup))
3784             (magit-define-popup-switch popup ?R "Reverse diff" "-R"))))
3785
3786 (setq magit-repolist-columns
3787       '(("Name" 16 magit-repolist-column-ident nil)
3788         ("Version" 18 magit-repolist-column-version nil)
3789         ("St" 2 magit-repolist-column-dirty nil)
3790         ("L<U" 3 mdw-repolist-column-unpulled-from-upstream nil)
3791         ("L>U" 3 mdw-repolist-column-unpushed-to-upstream nil)
3792         ("Path" 32 magit-repolist-column-path nil)))
3793
3794 (setq magit-repository-directories '(("~/etc/profile" . 0)
3795                                      ("~/src/" . 1)))
3796
3797 (defadvice magit-list-repos (around mdw-dirname () activate compile)
3798   "Make sure the returned names are directory names.
3799 Otherwise child processes get started in the wrong directory and
3800 there is sadness."
3801   (setq ad-return-value (mapcar #'file-name-as-directory ad-do-it)))
3802
3803 (defun mdw-repolist-column-unpulled-from-upstream (_id)
3804   "Insert number of upstream commits not in the current branch."
3805   (let ((upstream (magit-get-upstream-branch (magit-get-current-branch) t)))
3806     (and upstream
3807          (let ((n (cadr (magit-rev-diff-count "HEAD" upstream))))
3808            (propertize (number-to-string n) 'face
3809                        (if (> n 0) 'bold 'shadow))))))
3810
3811 (defun mdw-repolist-column-unpushed-to-upstream (_id)
3812   "Insert number of commits in the current branch but not its upstream."
3813   (let ((upstream (magit-get-upstream-branch (magit-get-current-branch) t)))
3814     (and upstream
3815          (let ((n (car (magit-rev-diff-count "HEAD" upstream))))
3816            (propertize (number-to-string n) 'face
3817                        (if (> n 0) 'bold 'shadow))))))
3818
3819 ;;;--------------------------------------------------------------------------
3820 ;;; MPC configuration.
3821
3822 (setq mpc-browser-tags '(Artist|Composer|Performer Album|Playlist))
3823
3824 (defun mdw-mpc-now-playing ()
3825   (interactive)
3826   (require 'mpc)
3827   (save-excursion
3828     (set-buffer (mpc-proc-cmd (mpc-proc-cmd-list '("status" "currentsong"))))
3829     (mpc--status-callback))
3830   (let ((state (cdr (assq 'state mpc-status))))
3831     (cond ((member state '("stop"))
3832            (message "mpd stopped."))
3833           ((member state '("play" "pause"))
3834            (let* ((artist (cdr (assq 'Artist mpc-status)))
3835                   (album (cdr (assq 'Album mpc-status)))
3836                   (title (cdr (assq 'Title mpc-status)))
3837                   (file (cdr (assq 'file mpc-status)))
3838                   (duration-string (cdr (assq 'Time mpc-status)))
3839                   (time-string (cdr (assq 'time mpc-status)))
3840                   (time (and time-string
3841                              (string-to-number
3842                               (if (string-match ":" time-string)
3843                                   (substring time-string
3844                                              0 (match-beginning 0))
3845                                 (time-string)))))
3846                   (duration (and duration-string
3847                                  (string-to-number duration-string)))
3848                   (pos (and time duration
3849                             (format " [%d:%02d/%d:%02d]"
3850                                     (/ time 60) (mod time 60)
3851                                     (/ duration 60) (mod duration 60))))
3852                   (fmt (cond ((and artist title)
3853                               (format "`%s' by %s%s" title artist
3854                                       (if album (format ", from `%s'" album)
3855                                         "")))
3856                              (file
3857                               (format "`%s' (no tags)" file))
3858                              (t
3859                               "(no idea what's playing!)"))))
3860              (if (string= state "play")
3861                  (message "mpd playing %s%s" fmt (or pos ""))
3862                (message "mpd paused in %s%s" fmt (or pos "")))))
3863           (t
3864            (message "mpd in unknown state `%s'" state)))))
3865
3866 (defmacro mdw-define-mpc-wrapper (func bvl interactive &rest body)
3867   `(defun ,func ,bvl
3868      (interactive ,@interactive)
3869      (require 'mpc)
3870      ,@body
3871      (mdw-mpc-now-playing)))
3872
3873 (mdw-define-mpc-wrapper mdw-mpc-play-or-pause () nil
3874   (if (member (cdr (assq 'state (mpc-cmd-status))) '("play"))
3875       (mpc-pause)
3876     (mpc-play)))
3877
3878 (mdw-define-mpc-wrapper mdw-mpc-next () nil (mpc-next))
3879 (mdw-define-mpc-wrapper mdw-mpc-prev () nil (mpc-prev))
3880 (mdw-define-mpc-wrapper mdw-mpc-stop () nil (mpc-stop))
3881
3882 (defun mdw-mpc-louder (step)
3883   (interactive (list (if current-prefix-arg
3884                          (prefix-numeric-value current-prefix-arg)
3885                        +10)))
3886   (mpc-proc-cmd (format "volume %+d" step)))
3887
3888 (defun mdw-mpc-quieter (step)
3889   (interactive (list (if current-prefix-arg
3890                          (prefix-numeric-value current-prefix-arg)
3891                        +10)))
3892   (mpc-proc-cmd (format "volume %+d" (- step))))
3893
3894 (defun mdw-mpc-hack-lines (arg interactivep func)
3895   (if (and interactivep (use-region-p))
3896       (let ((from (region-beginning)) (to (region-end)))
3897         (goto-char from)
3898         (beginning-of-line)
3899         (funcall func)
3900         (forward-line)
3901         (while (< (point) to)
3902           (funcall func)
3903           (forward-line)))
3904     (let ((n (prefix-numeric-value arg)))
3905       (cond ((minusp n)
3906              (unless (bolp)
3907                (beginning-of-line)
3908                (funcall func)
3909                (incf n))
3910              (while (minusp n)
3911                (forward-line -1)
3912                (funcall func)
3913                (incf n)))
3914             (t
3915              (beginning-of-line)
3916              (while (plusp n)
3917                (funcall func)
3918                (forward-line)
3919                (decf n)))))))
3920
3921 (defun mdw-mpc-select-one ()
3922   (when (and (get-char-property (point) 'mpc-file)
3923              (not (get-char-property (point) 'mpc-select)))
3924     (mpc-select-toggle)))
3925
3926 (defun mdw-mpc-unselect-one ()
3927   (when (get-char-property (point) 'mpc-select)
3928     (mpc-select-toggle)))
3929
3930 (defun mdw-mpc-select (&optional arg interactivep)
3931   (interactive (list current-prefix-arg t))
3932   (mdw-mpc-hack-lines arg interactivep 'mdw-mpc-select-one))
3933
3934 (defun mdw-mpc-unselect (&optional arg interactivep)
3935   (interactive (list current-prefix-arg t))
3936   (mdw-mpc-hack-lines arg interactivep 'mdw-mpc-unselect-one))
3937
3938 (defun mdw-mpc-unselect-backwards (arg)
3939   (interactive "p")
3940   (mdw-mpc-hack-lines (- arg) t 'mdw-mpc-unselect-one))
3941
3942 (defun mdw-mpc-unselect-all ()
3943   (interactive)
3944   (setq mpc-select nil)
3945   (mpc-selection-refresh))
3946
3947 (defun mdw-mpc-next-line (arg)
3948   (interactive "p")
3949   (beginning-of-line)
3950   (forward-line arg))
3951
3952 (defun mdw-mpc-previous-line (arg)
3953   (interactive "p")
3954   (beginning-of-line)
3955   (forward-line (- arg)))
3956
3957 (defun mdw-mpc-playlist-add (&optional arg interactivep)
3958   (interactive (list current-prefix-arg t))
3959   (let ((mpc-select mpc-select))
3960     (when (or arg (and interactivep (use-region-p)))
3961       (setq mpc-select nil)
3962       (mdw-mpc-hack-lines arg interactivep 'mdw-mpc-select-one))
3963     (setq mpc-select (reverse mpc-select))
3964     (mpc-playlist-add)))
3965
3966 (defun mdw-mpc-playlist-delete (&optional arg interactivep)
3967   (interactive (list current-prefix-arg t))
3968   (setq mpc-select (nreverse mpc-select))
3969   (mpc-select-save
3970     (when (or arg (and interactivep (use-region-p)))
3971       (setq mpc-select nil)
3972       (mpc-selection-refresh)
3973       (mdw-mpc-hack-lines arg interactivep 'mdw-mpc-select-one))
3974       (mpc-playlist-delete)))
3975
3976 (defun mdw-mpc-hack-tagbrowsers ()
3977   (setq-local mode-line-format
3978               '("%e"
3979                 mode-line-frame-identification
3980                 mode-line-buffer-identification)))
3981 (add-hook 'mpc-tagbrowser-mode-hook 'mdw-mpc-hack-tagbrowsers)
3982
3983 (defun mdw-mpc-hack-songs ()
3984   (setq-local header-line-format
3985               ;; '("MPC " mpc-volume " " mpc-current-song)
3986               (list (propertize " " 'display '(space :align-to 0))
3987                     ;; 'mpc-songs-format-description
3988                     '(:eval
3989                       (let ((deactivate-mark) (hscroll (window-hscroll)))
3990                         (with-temp-buffer
3991                           (mpc-format mpc-songs-format 'self hscroll)
3992                           ;; That would be simpler than the hscroll handling in
3993                           ;; mpc-format, but currently move-to-column does not
3994                           ;; recognize :space display properties.
3995                           ;; (move-to-column hscroll)
3996                           ;; (delete-region (point-min) (point))
3997                           (buffer-string)))))))
3998 (add-hook 'mpc-songs-mode-hook 'mdw-mpc-hack-songs)
3999
4000 (eval-after-load "mpc"
4001   '(progn
4002      (define-key mpc-mode-map "m" 'mdw-mpc-select)
4003      (define-key mpc-mode-map "u" 'mdw-mpc-unselect)
4004      (define-key mpc-mode-map "\177" 'mdw-mpc-unselect-backwards)
4005      (define-key mpc-mode-map "\e\177" 'mdw-mpc-unselect-all)
4006      (define-key mpc-mode-map "n" 'mdw-mpc-next-line)
4007      (define-key mpc-mode-map "p" 'mdw-mpc-previous-line)
4008      (define-key mpc-mode-map "/" 'mpc-songs-search)
4009      (setq mpc-songs-mode-map (make-sparse-keymap))
4010      (set-keymap-parent mpc-songs-mode-map mpc-mode-map)
4011      (define-key mpc-songs-mode-map "l" 'mpc-playlist)
4012      (define-key mpc-songs-mode-map "+" 'mdw-mpc-playlist-add)
4013      (define-key mpc-songs-mode-map "-" 'mdw-mpc-playlist-delete)
4014      (define-key mpc-songs-mode-map "\r" 'mpc-songs-jump-to)))
4015
4016 ;;;--------------------------------------------------------------------------
4017 ;;; Inferior Emacs Lisp.
4018
4019 (setq comint-prompt-read-only t)
4020
4021 (eval-after-load "comint"
4022   '(progn
4023      (define-key comint-mode-map "\C-w" 'comint-kill-region)
4024      (define-key comint-mode-map [C-S-backspace] 'comint-kill-whole-line)))
4025
4026 (eval-after-load "ielm"
4027   '(progn
4028      (define-key ielm-map "\C-w" 'comint-kill-region)
4029      (define-key ielm-map [C-S-backspace] 'comint-kill-whole-line)))
4030
4031 ;;;----- That's all, folks --------------------------------------------------
4032
4033 (provide 'dot-emacs)