lilypond-mode.el

   1 ;;;
   2 ;;; lilypond-mode.el --- Major mode for editing GNU LilyPond music scores
   3 ;;;
   4 ;;; source file of the GNU LilyPond music typesetter
   5 ;;;
   6 ;;; (c) 1999--2001 Jan Nieuwenhuizen <janneke@gnu.org>
   7 ;;;
   8 ;;; Changed 29th Aug 2001 Heikki Junes <heikki.junes@hut.fi>
   9 ;;;    * Add PS-compilation, PS-viewing and MIDI-play
  10 ;;; Changed 12th Sep 2001 Heikki Junes
  11 ;;;    * Keyboard shortcuts
  12
  13 ;;; Inspired on auctex
  14
  15 ;;;
  16 ;;; Add this to your ~/.emacs or ~/.emacs.el
  17 ;;;     (load-library "lilypond-mode.el")
  18 ;;;     (setq auto-mode-alist
  19 ;;;      (append '(("\\.ly$" . LilyPond-mode) auto-mode-alist)))
  20 ;;;
  21
  22 (load-library "lilypond-font-lock")
  23
  24 (require 'easymenu)
  25 (require 'compile)
  26
  27 (defconst LilyPond-version "1.3.143"
  28   "`LilyPond-mode' version number.")
  29
  30 (defconst LilyPond-help-address "bug-gnu-music@gnu.org"
  31   "Address accepting submission of bug reports.")
  32
  33 (defvar LilyPond-mode-hook nil
  34   "*Hook called by `LilyPond-mode'.")
  35
  36 (defvar LilyPond-kick-xdvi nil
  37   "If true, no simultaneous xdvi's are started, but reload signal is sent.")
  38
  39 (defvar LilyPond-command-history nil
  40   "Command history list.")
  41
  42 (defvar LilyPond-regexp-alist
  43   '(("\\([a-zA-Z]?:?[^:( \t\n]+\\)[:( \t]+\\([0-9]+\\)[:) \t]" 1 2))
  44   "Regexp used to match LilyPond errors.  See `compilation-error-regexp-alist'.")
  45
  46 (defcustom LilyPond-include-path ".:/tmp"
  47   "* LilyPond include path."
  48   :type 'string
  49   :group 'LilyPond)
  50
  51
  52 (defun LilyPond-check-files (derived originals extensions)
  53   "Check that DERIVED is newer than any of the ORIGINALS.
  54 Try each original with each member of EXTENSIONS, in all directories
  55 in LilyPond-include-path."
  56   (let ((found nil)
  57         (regexp (concat "\\`\\("
  58                         (mapconcat (function (lambda (dir)
  59                                       (regexp-quote (expand-file-name dir))))
  60                                    LilyPond-include-path "\\|")
  61                         "\\).*\\("
  62                         (mapconcat 'regexp-quote originals "\\|")
  63                         "\\)\\.\\("
  64                         (mapconcat 'regexp-quote extensions "\\|")
  65                         "\\)\\'"))
  66         (buffers (buffer-list)))
  67     (while buffers
  68       (let* ((buffer (car buffers))
  69              (name (buffer-file-name buffer)))
  70         (setq buffers (cdr buffers))
  71         (if (and name (string-match regexp name))
  72             (progn
  73               (and (buffer-modified-p buffer)
  74                    (or (not LilyPond-save-query)
  75                        (y-or-n-p (concat "Save file "
  76                                          (buffer-file-name buffer)
  77                                          "? ")))
  78                    (save-excursion (set-buffer buffer) (save-buffer)))
  79               (if (file-newer-than-file-p name derived)
  80                   (setq found t))))))
  81     found))
  82
  83 (defun LilyPond-running ()
  84   (let ((process (get-process "lilypond")))
  85   (and process
  86        (eq (process-status process) 'run))))
  87
  88 (defun LilyPond-kill-job ()
  89   "Kill the currently running LilyPond job."
  90   (interactive)
  91   ;; What bout TeX, Xdvi?
  92   (quit-process (get-process "lilypond") t))
  93
  94 ;; URG, should only run LilyPond-compile for LilyPond
  95 ;; not for tex,xdvi (ly2dvi?)
  96 (defun LilyPond-compile-file (command name)
  97   ;; We maybe should know what we run here (Lily, ly2dvi, tex)
  98   ;; and adjust our error-matching regex ?
  99   (compile-internal command "No more errors" name ))
 100
 101 ;; do we still need this, now that we're using compile-internal?
 102 (defun LilyPond-save-buffer ()
 103   (if (buffer-modified-p) (save-buffer)))
 104
 105 ;;; return (dir base ext)
 106 (defun split-file-name (name)
 107   (let* ((i (string-match "[^/]*$" name))
 108          (dir (if (> i 0) (substring name 0 i) "./"))
 109          (file (substring name i (length name)))
 110          (i (string-match "[^.]*$" file)))
 111     (if (and
 112          (> i 0)
 113          (< i (length file)))
 114         (list dir (substring file 0 (- i 1)) (substring file i (length file)))
 115       (list dir file ""))))
 116
 117
 118 ;; Should check whether in command-alist?
 119 (defcustom LilyPond-command-default "LilyPond"
 120   "Default command. Must identify a member of LilyPond-command-alist."
 121
 122   :group 'LilyPond
 123   :type 'string)
 124 ;;;(make-variable-buffer-local 'LilyPond-command-last)
 125
 126 (defvar LilyPond-command-current 'LilyPond-command-master)
 127 ;;;(make-variable-buffer-local 'LilyPond-command-master)
 128
 129
 130 ;; If non-nil, LilyPond-command-query will return the value of this
 131 ;; variable instead of quering the user.
 132 (defvar LilyPond-command-force nil)
 133
 134 (defcustom LilyPond-xdvi-command "xdvik"
 135   "Command used to display DVI files."
 136
 137   :group 'LilyPond
 138   :type 'string)
 139
 140 (defcustom LilyPond-gv-command "gv -watch"
 141   "Command used to display PS files."
 142
 143   :group 'LilyPond
 144   :type 'string)
 145
 146 (defcustom LilyPond-midi-command "timidity"
 147   "Command used to play MIDI files."
 148
 149   :group 'LilyPond
 150   :type 'string)
 151
 152 ;; This is the major configuration variable.
 153 (defcustom LilyPond-command-alist
 154   `(
 155     ("LilyPond" . ("lilypond %s" . "TeX"))
 156     ("TeX" . ("tex '\\nonstopmode\\input %t'" . "View"))
 157
 158     ("2Dvi" . ("ly2dvi %s" . "View"))
 159     ("2PS" . ("ly2dvi -P %s" . "View"))
 160
 161     ("Book" . ("lilypond-book %x" . "LaTeX"))
 162     ("LaTeX" . ("latex '\\nonstopmode\\input %l'" . "View"))
 163
 164     ;; point-n-click (arg: exits upop USR1)
 165     ("SmartView" . ("xdvi %d" . "LilyPond"))
 166
 167     ;; refreshes when kicked USR1
 168     ("View" . (,(concat LilyPond-xdvi-command " %d") . "LilyPond"))
 169
 170     ("ViewPS" . (,(concat LilyPond-gv-command " %p") . "LilyPond"))
 171
 172     ("Midi" . (,(concat LilyPond-midi-command " %m") . "LilyPond"))
 173     )
 174
 175   "AList of commands to execute on the current document.
 176
 177 The key is the name of the command as it will be presented to the
 178 user, the value is a cons of the command string handed to the shell
 179 after being expanded, and the next command to be executed upon
 180 success.  The expansion is done using the information found in
 181 LilyPond-expand-list.
 182 "
 183   :group 'LilyPond
 184   :type '(repeat (cons :tag "Command Item"
 185                        (string :tag "Key")
 186                        (cons :tag "How"
 187                         (string :tag "Command")
 188                         (string :tag "Next Key")))))
 189
 190 ;; drop this?
 191 (defcustom LilyPond-file-extensions '(".ly" ".sly" ".fly")
 192   "*File extensions used by manually generated TeX files."
 193   :group 'LilyPond
 194   :type '(repeat (string :format "%v")))
 195
 196
 197 (defcustom LilyPond-expand-alist
 198   '(
 199     ("%s" . ".ly")
 200     ("%t" . ".tex")
 201     ("%d" . ".dvi")
 202     ("%p" . ".ps")
 203     ("%l" . ".latex")
 204     ("%x" . ".tely")
 205     ("%m" . ".midi")
 206     )
 207
 208   "Alist of expansion strings for LilyPond command names."
 209   :group 'LilyPond
 210   :type '(repeat (cons :tag "Alist item"
 211                   (string :tag "Symbol")
 212                   (string :tag "Expansion"))))
 213
 214
 215 (defcustom LilyPond-command-Show "View"
 216   "*The default command to show (view or print) a LilyPond file.
 217 Must be the car of an entry in `LilyPond-command-alist'."
 218   :group 'LilyPond
 219   :type 'string)
 220   (make-variable-buffer-local 'LilyPond-command-Show)
 221
 222 (defcustom LilyPond-command-Print "Print"
 223   "The name of the Print entry in LilyPond-command-Print."
 224   :group 'LilyPond
 225   :type 'string)
 226
 227 (defun xLilyPond-compile-sentinel (process msg)
 228   (if (and process
 229            (= 0 (process-exit-status process)))
 230       (setq LilyPond-command-default
 231               (cddr (assoc LilyPond-command-default LilyPond-command-alist)))))
 232
 233 ;; FIXME: shouldn't do this for stray View/xdvi
 234 (defun LilyPond-compile-sentinel (buffer msg)
 235   (if (string-match "^finished" msg)
 236       (setq LilyPond-command-default
 237             (cddr (assoc LilyPond-command-default LilyPond-command-alist)))))
 238
 239 ;;(make-variable-buffer-local 'compilation-finish-function)
 240 (setq compilation-finish-function 'LilyPond-compile-sentinel)
 241
 242 (defun LilyPond-command-query (name)
 243   "Query the user for what LilyPond command to use."
 244   (let* ((default (cond ((if (string-equal name "emacs-lily")
 245                              (LilyPond-check-files (concat name ".tex")
 246                                                    (list name)
 247                                                    LilyPond-file-extensions)
 248                            ;; FIXME
 249                            (LilyPond-save-buffer)
 250                            ;;"LilyPond"
 251                            LilyPond-command-default))
 252                         (t LilyPond-command-default)))
 253
 254          (answer (or LilyPond-command-force
 255                      (completing-read
 256                       (concat "Command: (default " default ") ")
 257                       LilyPond-command-alist nil t nil 'LilyPond-command-history))))
 258
 259     ;; If the answer is "LilyPond" it will not be expanded to "LilyPond"
 260     (let ((answer (car-safe (assoc answer LilyPond-command-alist))))
 261       (if (and answer
 262                (not (string-equal answer "")))
 263           answer
 264         default))))
 265
 266
 267 ;; FIXME: find ``\score'' in buffers / make settable?
 268 (defun LilyPond-master-file ()
 269   ;; duh
 270   (buffer-file-name))
 271
 272 (defun LilyPond-command-master ()
 273   "Run command on the current document."
 274   (interactive)
 275   (LilyPond-command (LilyPond-command-query (LilyPond-master-file))
 276                     'LilyPond-master-file))
 277
 278 (defun LilyPond-command-formatdvi ()
 279   "Format the dvi output of the current document."
 280   (interactive)
 281   (LilyPond-command (LilyPond-command-menu "2Dvi") 'LilyPond-master-file)
 282 )
 283
 284 (defun LilyPond-command-formatps ()
 285   "Format the ps output of the current document."
 286   (interactive)
 287   (LilyPond-command (LilyPond-command-menu "2PS") 'LilyPond-master-file)
 288 )
 289
 290 (defun LilyPond-command-smartview ()
 291   "View the dvi output of current document."
 292   (interactive)
 293   (LilyPond-command (LilyPond-command-menu "SmartView") 'LilyPond-master-file)
 294 )
 295
 296 (defun LilyPond-command-view ()
 297   "View the dvi output of current document."
 298   (interactive)
 299   (LilyPond-command (LilyPond-command-menu "View") 'LilyPond-master-file)
 300 )
 301
 302 (defun LilyPond-command-viewps ()
 303   "View the ps output of current document."
 304   (interactive)
 305   (LilyPond-command (LilyPond-command-menu "ViewPS") 'LilyPond-master-file)
 306 )
 307
 308 (defun LilyPond-command-midi ()
 309   "View the ps output of current document."
 310   (interactive)
 311   (LilyPond-command (LilyPond-command-menu "Midi") 'LilyPond-master-file)
 312 )
 313
 314 ;; FIXME, this is broken
 315 (defun LilyPond-region-file (begin end)
 316   (let (
 317         ;; (dir "/tmp/")
 318         ;; urg
 319         (dir "./")
 320         (base "emacs-lily")
 321         ;; Hmm
 322         (ext (if (string-match "^[\\]score" (buffer-substring begin end))
 323                  ".ly"
 324                (if (< 50 (abs (- begin end)))
 325                    ".fly"
 326                  ".sly"))))
 327     (concat dir base ext)))
 328
 329 (defun LilyPond-command-region (begin end)
 330   "Run LilyPond on the current region."
 331   (interactive "r")
 332   (write-region begin end (LilyPond-region-file begin end) nil 'nomsg)
 333   (LilyPond-command (LilyPond-command-query
 334                      (LilyPond-region-file begin end))
 335                     '(lambda () (LilyPond-region-file begin end))))
 336
 337 (defun LilyPond-command-buffer ()
 338   "Run LilyPond on buffer."
 339   (interactive)
 340   (LilyPond-command-region (point-min) (point-max)))
 341
 342 (defun LilyPond-command-expand (string file)
 343   (let ((case-fold-search nil))
 344     (if (string-match "%" string)
 345         (let* ((b (match-beginning 0))
 346                (e (+ b 2))
 347                (l (split-file-name file))
 348                (dir (car l))
 349                (base (cadr l)))
 350           (LilyPond-command-expand
 351            (concat (substring string 0 b)
 352                    dir
 353                    base
 354                    (let ((entry (assoc (substring string b e)
 355                                        LilyPond-expand-alist)))
 356                      (if entry (cdr entry) ""))
 357                    (substring string e))
 358            file))
 359       string)))
 360
 361 (defun LilyPond-shell-process (name buffer command)
 362   (let ((old (current-buffer)))
 363     (switch-to-buffer-other-window buffer)
 364     ;; If we empty the buffer don't see messages scroll by.
 365     ;; (erase-buffer)
 366
 367     (start-process-shell-command name buffer command)
 368     (switch-to-buffer-other-window old)))
 369
 370
 371 (defun LilyPond-command (name file)
 372   "Run command NAME on the file you get by calling FILE.
 373
 374 FILE is a function return a file name.  It has one optional argument,
 375 the extension to use on the file.
 376
 377 Use the information in LilyPond-command-alist to determine how to run the
 378 command."
 379
 380   (let ((entry (assoc name LilyPond-command-alist)))
 381     (if entry
 382         (let ((command (LilyPond-command-expand (cadr entry)
 383                                                 (apply file nil))))
 384           (if (string-equal name "View")
 385               (let ((buffer-xdvi (get-buffer-create "*view*")))
 386                 (if LilyPond-kick-xdvi
 387                   (let ((process-xdvi (get-buffer-process buffer-xdvi)))
 388                     (if process-xdvi
 389                         (signal-process (process-id process-xdvi) 'SIGUSR1)
 390                       (LilyPond-shell-process name buffer-xdvi command)))
 391                   (LilyPond-shell-process name buffer-xdvi command)))
 392             (progn
 393               (setq LilyPond-command-default name)
 394               (LilyPond-compile-file command name)))))))
 395
 396 ;; XEmacs stuff
 397 ;; Sadly we need this for a macro in Emacs 19.
 398 (eval-when-compile
 399   ;; Imenu isn't used in XEmacs, so just ignore load errors.
 400   (condition-case ()
 401       (require 'imenu)
 402     (error nil)))
 403
 404
 405 ;;; Keymap
 406
 407 (defvar LilyPond-mode-map ()
 408   "Keymap used in `LilyPond-mode' buffers.")
 409
 410 ;; Note:  if you make changes to the map, you must do
 411 ;;    M-x set-variable LilyPond-mode-map nil
 412 ;;    M-x eval-buffer
 413 ;;    M-x LilyPond-mode
 414 ;; to let the changest take effect
 415
 416 (if LilyPond-mode-map
 417     ()
 418   (setq LilyPond-mode-map (make-sparse-keymap))
 419   (define-key LilyPond-mode-map "\C-c\C-r" 'LilyPond-command-region)
 420   (define-key LilyPond-mode-map "\C-c\C-b" 'LilyPond-command-buffer)
 421   (define-key LilyPond-mode-map "\C-c\C-k" 'LilyPond-kill-job)
 422   (define-key LilyPond-mode-map "\C-c\C-c" 'LilyPond-command-master)
 423   (define-key LilyPond-mode-map "\C-c\C-d" 'LilyPond-command-formatdvi)
 424   (define-key LilyPond-mode-map "\C-c\C-f" 'LilyPond-command-formatps)
 425   (define-key LilyPond-mode-map "\C-c\C-s" 'LilyPond-command-smartview)
 426   (define-key LilyPond-mode-map "\C-c\C-v" 'LilyPond-command-view)
 427   (define-key LilyPond-mode-map "\C-c\C-p" 'LilyPond-command-viewps)
 428   (define-key LilyPond-mode-map "\C-c\C-m" 'LilyPond-command-midi)
 429   )
 430
 431 ;;; Menu Support
 432
 433 (defun LilyPond-command-menu-entry (entry)
 434   ;; Return LilyPond-command-alist ENTRY as a menu item.
 435   (let ((name (car entry)))
 436     (cond ((and (string-equal name LilyPond-command-Print)
 437                 LilyPond-printer-list)
 438            (let ((command LilyPond-print-command)
 439                  (lookup 1))
 440              (append (list LilyPond-command-Print)
 441                      (mapcar 'LilyPond-command-menu-printer-entry
 442                              LilyPond-printer-list))))
 443           (t
 444            (vector name (list 'LilyPond-command-menu name) t)))))
 445
 446
 447 (easy-menu-define LilyPond-mode-menu
 448     LilyPond-mode-map
 449     "Menu used in LilyPond mode."
 450   (append '("Command")
 451           '(("Command on"
 452              [ "Master File" LilyPond-command-select-master
 453                :keys "C-c C-c" :style radio
 454                :selected (eq LilyPond-command-current 'LilyPond-command-master) ]
 455              [ "Buffer" LilyPond-command-select-buffer
 456                :keys "C-c C-b" :style radio
 457                :selected (eq LilyPond-command-current 'LilyPond-command-buffer) ]
 458              [ "Region" LilyPond-command-select-region
 459                :keys "C-c C-r" :style radio
 460                :selected (eq LilyPond-command-current 'LilyPond-command-region) ]))
 461 ;         (let ((file 'LilyPond-command-on-current))
 462 ;           (mapcar 'LilyPond-command-menu-entry LilyPond-command-alist))
 463 ;;; Some kind of mapping which includes :keys might be more elegant
 464           '([ "LilyPond" (LilyPond-command (LilyPond-command-menu "ViewPS") 'LilyPond-master-file) ])
 465           '([ "TeX" (LilyPond-command (LilyPond-command-menu "TeX") 'LilyPond-master-file) ])
 466           '([ "2Dvi" (LilyPond-command (LilyPond-command-menu "2Dvi") 'LilyPond-master-file) :keys "C-c C-d"])
 467           '([ "2PS" (LilyPond-command (LilyPond-command-menu "2PS") 'LilyPond-master-file) :keys "C-c C-f"])
 468           '([ "Book" (LilyPond-command (LilyPond-command-menu "Book") 'LilyPond-master-file) ])
 469           '([ "LaTeX" (LilyPond-command (LilyPond-command-menu "LaTeX") 'LilyPond-master-file) ])
 470           '([ "SmartView" (LilyPond-command (LilyPond-command-menu "SmartView") 'LilyPond-master-file) :keys "C-c C-s"])
 471           '([ "View" (LilyPond-command (LilyPond-command-menu "View") 'LilyPond-master-file) :keys "C-c C-v"])
 472           '([ "ViewPS" (LilyPond-command (LilyPond-command-menu "ViewPS") 'LilyPond-master-file) :keys "C-c C-p"])
 473           '([ "Midi" (LilyPond-command (LilyPond-command-menu "Midi") 'LilyPond-master-file) :keys "C-c C-m"])
 474   ))
 475
 476
 477 (defconst LilyPond-imenu-generic-re "^\\([a-zA-Z_][a-zA-Z0-9_]*\\) *="
 478   "Regexp matching Identifier definitions.")
 479
 480 (defvar LilyPond-imenu-generic-expression
 481   (list (list nil LilyPond-imenu-generic-re 1))
 482   "Expression for imenu")
 483
 484 (defun LilyPond-command-select-master ()
 485   (interactive)
 486   (message "Next command will be on the master file")
 487   (setq LilyPond-command-current 'LilyPond-command-master))
 488
 489 (defun LilyPond-command-select-buffer ()
 490   (interactive)
 491   (message "Next command will be on the buffer")
 492   (setq LilyPond-command-current 'LilyPond-command-buffer))
 493
 494 (defun LilyPond-command-select-region ()
 495   (interactive)
 496   (message "Next command will be on the region")
 497   (setq LilyPond-command-current 'LilyPond-command-region))
 498
 499 (defun LilyPond-command-menu (name)
 500   ;; Execute LilyPond-command-alist NAME from a menu.
 501   (let ((LilyPond-command-force name))
 502     (funcall LilyPond-command-current)))
 503
 504 (defun LilyPond-mode ()
 505   "Major mode for editing LilyPond music files.
 506
 507 This mode knows about LilyPond keywords and line comments, not about
 508 indentation or block comments.  It features easy compilation, error
 509 finding and viewing of a LilyPond source buffer or region.
 510
 511 COMMANDS
 512 \\{LilyPond-mode-map}
 513 VARIABLES
 514
 515 LilyPond-command-alist\t\talist from name to command
 516 LilyPond-xdvi-command\t\tcommand to display dvi files -- bit superfluous"
 517   (interactive)
 518   ;; set up local variables
 519   (kill-all-local-variables)
 520
 521   (make-local-variable 'font-lock-defaults)
 522   (setq font-lock-defaults '(LilyPond-font-lock-keywords))
 523
 524   (make-local-variable 'paragraph-separate)
 525   (setq paragraph-separate "^[ \t]*$")
 526
 527   (make-local-variable 'paragraph-start)
 528   (setq paragraph-start "^[ \t]*$")
 529
 530   (make-local-variable 'comment-start)
 531   (setq comment-start "%")
 532
 533   (make-local-variable 'comment-start-skip)
 534   (setq comment-start-skip "%{? *")
 535
 536   (make-local-variable 'comment-end)
 537   (setq comment-end "")
 538
 539   (make-local-variable 'block-comment-start)
 540   (setq block-comment-start "%{")
 541
 542   (make-local-variable 'block-comment-end)
 543   (setq block-comment-end   "%}")
 544
 545   (make-local-variable 'indent-line-function)
 546   (setq indent-line-function 'indent-relative-maybe)
 547
 548     (set-syntax-table LilyPond-mode-syntax-table)
 549   (setq major-mode 'LilyPond-mode)
 550   (setq mode-name "LilyPond")
 551   (setq local-abbrev-table LilyPond-mode-abbrev-table)
 552   (use-local-map LilyPond-mode-map)
 553
 554   (make-local-variable 'imenu-generic-expression)
 555   (setq imenu-generic-expression LilyPond-imenu-generic-expression)
 556   (imenu-add-to-menubar "Index")
 557
 558     ;; run the mode hook. LilyPond-mode-hook use is deprecated
 559   (run-hooks 'LilyPond-mode-hook))
 560
 561 (defun LilyPond-version ()
 562   "Echo the current version of `LilyPond-mode' in the minibuffer."
 563   (interactive)
 564   (message "Using `LilyPond-mode' version %s" LilyPond-version))
 565
 566 (provide 'lilypond-mode)
 567 ;;; lilypond-mode.el ends here
 568