lilypond-mode.el

   1 ;;; lilypond-mode.el --- Major mode for editing GNU LilyPond music scores
   2
   3 ;; Copyright (C) 1992,1993,1994  Tim Peters
   4
   5 ;; Author: 1999: Jan Nieuwenhuizen
   6 ;; Author: 1997: Han-Wen Nienhuys
   7 ;; Author: 1995-1996 Barry A. Warsaw
   8 ;;         1992-1994 Tim Peters
   9 ;; Created:       Feb 1992
  10 ;; Version:       0.0
  11 ;; Last Modified: 12SEP97
  12 ;; Keywords: mudela languages music
  13
  14 ;; This software is provided as-is, without express or implied
  15 ;; warranty.  Permission to use, copy, modify, distribute or sell this
  16 ;; software, without fee, for any purpose and by any individual or
  17 ;; organization, is hereby granted, provided that the above copyright
  18 ;; notice and this paragraph appear in all copies.
  19
  20 ;; This started out as a cannabalised version of python-mode.el, by hwn
  21 ;; For changes see the LilyPond ChangeLog
  22 ;;
  23 ;; TODO:
  24 ;; * lily/ly/lilypond?
  25 ;; * syntax
  26 ;;   - should handle block comments too.
  27 ;;   - handle lexer modes (\header, \melodic, \lyric) etc.
  28 ;;   - indentation
  29 ;;   - notenames?
  30 ;;   - fontlock: \melodic \melodic
  31
  32
  33 (defconst lily-version "1.3.19"
  34   "`lilypond-mode' version number.")
  35
  36 (defconst lily-help-address "hanwen@cs.uu.nl"
  37   "Address accepting submission of bug reports.")
  38
  39 (defconst lily-font-lock-keywords
  40   (let* ((keywords '("spanrequest" "simultaneous" "sequential" "accepts"
  41                      "autochange" "alternative" "bar" "breathe"
  42                      "cadenza" "chordmodifiers" "chords" "clef" "cm" "consists"
  43                      "consistsend" "context"
  44                      "duration" "font" "grace" "header" "in" "lyrics"
  45                      "key" "keysignature" "mark" "musicalpitch"
  46                      "time" "times" "midi" "mm" "name" "notenames"
  47                      "notes" "partial" "paper" "penalty" "push" "pop" "property" "pt"
  48                      "relative" "remove" "repeat" "repetitions" "addlyrics"
  49                      "scm" "scmfile" "score" "script"
  50                      "shape" "skip" "textscript" "tempo" "translator" "transpose"
  51                      "type" "version"
  52                      ))
  53        (kwregex (mapconcat (lambda (x) (concat "\\\\" x))  keywords "\\|")))
  54
  55     (list
  56       (concat ".\\(" kwregex "\\)[^a-zA-Z]")
  57       (concat "^\\(" kwregex "\\)[^a-zA-Z]")
  58       '(".\\(\\\\[a-zA-Z][a-zA-Z]*\\)" 1 font-lock-variable-name-face)
  59       '("^[\t ]*\\([a-zA-Z][_a-zA-Z]*\\) *=" 1 font-lock-variable-name-face)
  60     ))
  61   "Additional expressions to highlight in Mudela mode.")
  62
  63 ;; define a mode-specific abbrev table for those who use such things
  64 (defvar lilypond-mode-abbrev-table nil
  65   "Abbrev table in use in `lilypond-mode' buffers.")
  66
  67 (define-abbrev-table 'lilypond-mode-abbrev-table nil)
  68
  69 (defvar lilypond-mode-hook nil
  70   "*Hook called by `lilypond-mode'.")
  71
  72 (defvar lily-mode-syntax-table nil
  73   "Syntax table used in `lilypond-mode' buffers.")
  74
  75 ;;
  76 (if lily-mode-syntax-table
  77     ()
  78   (setq lily-mode-syntax-table (make-syntax-table))
  79   (mapcar (function
  80            (lambda (x) (modify-syntax-entry
  81                         (car x) (cdr x) lily-mode-syntax-table)))
  82           '(( ?\( . "()" ) ( ?\) . ")(" )   ; need matching parens for inline lisp
  83             ( ?\[ . "." ) ( ?\] . "." )
  84             ( ?\{ . "(}" ) ( ?\} . "){" )
  85             ( ?\< . "(>" )( ?\> . ")>")
  86             ( ?\$ . "." ) ( ?\% . "." ) ( ?\& . "." )
  87             ( ?\* . "." ) ( ?\+ . "." ) ( ?\- . "." )
  88             ( ?\/ . "." )  ( ?\= . "." )
  89             ( ?\| . "." ) (?\\ . "\\" )
  90             ( ?\_ . "." )
  91             ( ?\' . "w")
  92             ( ?\" . "\"" )
  93             ( ?\% . "<")
  94             ( ?\n . ">")
  95
  96 ; FIXME
  97 ;           ( ?%  .  ". 124b" )
  98 ;           ( ?{  .  ". 23" )
  99             ))
 100
 101   )
 102
 103 (defconst lily-imenu-generic-re "^\\([a-zA-Z_][a-zA-Z0-9_]*\\) *="
 104   "Regexp matching Identifier definitions.")
 105
 106 ;; Sadly we need this for a macro in Emacs 19.
 107 (eval-when-compile
 108   ;; Imenu isn't used in XEmacs, so just ignore load errors.
 109   (condition-case ()
 110       (require 'imenu)
 111     (error nil)))
 112
 113 (defvar lily-imenu-generic-expression
 114   (list (list nil lily-imenu-generic-re 1))
 115   "Expression for imenu")
 116
 117
 118 ;;; we're using some handy compile commands
 119 (require 'compile)
 120
 121 (defcustom lily-command "lilypond"
 122   "* LilyPond executable."
 123   :type 'string
 124   :group 'lily)
 125
 126 (defcustom lily-parameters ""
 127   "*."
 128   :type 'string
 129   :group 'lily)
 130
 131 (defvar lily-regexp-alist
 132   '(("\\([a-zA-Z]?:?[^:( \t\n]+\\)[:( \t]+\\([0-9]+\\)[:) \t]" 1 2))
 133   "Regexp used to match LilyPond errors.  See `compilation-error-regexp-alist'.")
 134
 135 (defcustom lily-tex-command "tex"
 136   "*."
 137   :type 'string
 138   :group 'lily)
 139
 140 (defcustom lily-xdvi-command "xdvi"
 141   "*."
 142   :type 'string
 143   :group 'lily)
 144
 145 (defun lily-compile-file (command parameters file)
 146   ;; Setting process-setup-function makes exit-message-function work
 147   ;; even when async processes aren't supported.
 148   (let ((command-args (concat command " " parameters " " file)))
 149         (compile-internal command-args "No more errors" "LilyPond")))
 150
 151 ;; do we still need this, now that we're using compile-internal?
 152 (defun lily-save-buffer ()
 153   (if (buffer-modified-p) (save-buffer)))
 154
 155 ;;; return (dir base ext)
 156 (defun split-file-name (name)
 157   (let* ((i (string-match "[^/]*$" name))
 158          (dir (if (> i 0) (substring name 0 i) "./"))
 159          (file (substring name i (length name)))
 160          (i (string-match "[^.]*$" file)))
 161     (if (and
 162          (> i 0)
 163          (< i (length file)))
 164         (list dir (substring file 0 (- i 1)) (substring file i (length file)))
 165       (list dir file ""))))
 166
 167 ;;;###autoload
 168 (defun lily-eval-buffer ()
 169   "Run LilyPond on buffer."
 170   (interactive)
 171   (let ((buffer (buffer-name)))
 172     (if (buffer-file-name)
 173         (progn
 174           (lily-save-buffer)
 175           (lily-compile-file lily-command lily-parameters (buffer-file-name)))
 176       (progn
 177         (error "Buffer %s is not associated with a file" buffer)
 178         (lily-eval-region (min-point) (max-point))))))
 179
 180 ;;;###autoload
 181 (defun lily-eval-region (start end)
 182   "Run LilyPond on region."
 183   (interactive "r")
 184   (let ((basename "emacs-lily")
 185         (suffix (if (string-match "^[\\]score" (buffer-substring start end))
 186                     ".ly"
 187                   (if (< 50 (abs (- start end)))
 188                       ".fly"
 189                       ".sly"))))
 190     (write-region start end (concat basename suffix) nil 'nomsg)
 191     (lily-compile-file lily-command lily-parameters (concat basename suffix))))
 192
 193 (defun lily-running ()
 194   (let ((process (get-process "lilypond")))
 195   (and process
 196        (eq (process-status process) 'run))))
 197
 198 (defun lily-tex-file (basename)
 199   (call-process lily-tex-command nil t nil basename))
 200
 201 (defun lily-xdvi-file (basename)
 202   (let ((outbuf (get-buffer-create "*lily-xdvi*"))
 203         (name "xdvi")
 204         (command (concat lily-xdvi-command " " basename)))
 205     (if (get-process "xdvi")
 206         ;; Don't open new xdvi window, but force redisplay
 207         ;; We could make this an option.
 208         (signal-process (process-id (get-process "xdvi")) 'SIGUSR1)
 209       (if (fboundp 'start-process)
 210           (let* ((process-environment (cons "EMACS=t" process-environment))
 211                  (proc (start-process-shell-command name outbuf command)))
 212             ;;(set-process-sentinel proc 'compilation-sentinel)
 213             ;;(set-process-filter proc 'compilation-filter)
 214             (set-marker (process-mark proc) (point) outbuf))
 215         ;;(setq compilation-in-progress (cons proc compilation-in-progress)))
 216
 217         ;; No asynchronous processes available.
 218         (message "Executing `%s'..." command)
 219         ;; Fake modeline display as if `start-process' were run.
 220         (setq mode-line-process ":run")
 221         (force-mode-line-update)
 222         (sit-for 0)                     ; Force redisplay
 223       (call-process shell-file-name nil outbuf nil "-c" command)
 224       (message "Executing `%s'...done" command)))))
 225
 226
 227 ;;;###autoload
 228 (defun lily-xdvi-buffer ()
 229   "Run LilyPond, TeX and Xdvi on buffer."
 230   (interactive)
 231
 232   (let* ((split (split-file-name buffer-file-name))
 233          (dir (car split))
 234          (base (cadr split)))
 235
 236     ;; we don't really need this...
 237     (let ((tex (concat dir base ".tex"))
 238           (dvi (concat dir base ".dvi")))
 239       (if (file-exists-p tex) (delete-file tex))
 240       (if (file-exists-p dvi) (delete-file dvi)))
 241
 242     (lily-eval-buffer)
 243     (set-buffer "*lilypond*")
 244
 245     ;;(setq default-directory dir)
 246     (while (lily-running)
 247       (continue-process (get-process "lilypond")))
 248     (sit-for 0)                 ; Force redisplay
 249
 250     (if (= 0 (process-exit-status (get-process "lilypond")))
 251         (progn
 252           (if (= 0 (lily-tex-file base))
 253               (lily-xdvi-file base))))))
 254
 255 ;;;###autoload
 256 (defun lily-xdvi-region (start end)
 257   "Run LilyPond, TeX and Xdvi on region."
 258   (interactive "r")
 259
 260   (let ((dir default-directory)
 261         (base "emacs-lily"))
 262
 263     ;; we don't really need this...
 264     (let ((tex (concat dir base ".tex"))
 265           (dvi (concat dir base ".dvi")))
 266       (if (file-exists-p tex) (delete-file tex))
 267       (if (file-exists-p dvi) (delete-file dvi)))
 268
 269     (lily-eval-region start end)
 270     (set-buffer "*lilypond*")
 271
 272     ;;(setq default-directory dir)
 273     (while (lily-running)
 274       (continue-process (get-process "lilypond")))
 275     (sit-for 0)                 ; Force redisplay
 276
 277     (if (= 0 (process-exit-status (get-process "lilypond")))
 278         (progn
 279           (if (= 0 (lily-tex-file base))
 280               (lily-xdvi-file base))))))
 281
 282 ;;;###autoload
 283 (defun lily-kill-job ()
 284   "Kill the currently running LilyPond job."
 285   (interactive)
 286   (quit-process (get-process "lilypond") t))
 287
 288 ;; hmm
 289 ;;  (kill-process (get-process "xdvi") t)
 290
 291 (defvar lily-mode-map ()
 292   "Keymap used in `lilypond-mode' buffers.")
 293
 294 ;; Note:  if you make changes to the map, you must do
 295 ;;    M-x set-variable lily-mode-map nil
 296 ;;    M-x eval-buffer
 297 ;;    M-x lilypond-mode
 298 ;; to let the changest take effect
 299 (if lily-mode-map
 300     ()
 301   (setq lily-mode-map (make-sparse-keymap))
 302   (define-key lily-mode-map [f9] 'lily-eval-buffer)
 303   (define-key lily-mode-map [f10] 'lily-xdvi-buffer)
 304   (define-key lily-mode-map [S-f9] 'lily-eval-region)
 305   (define-key lily-mode-map [S-f10] 'lily-xdvi-region)
 306   )
 307
 308 (defun lilypond-mode ()
 309   "Major mode for editing Mudela files."
 310   (interactive)
 311   ;; set up local variables
 312   (kill-all-local-variables)
 313
 314   (make-local-variable 'font-lock-defaults)
 315   (setq font-lock-defaults '(lily-font-lock-keywords))
 316
 317   (make-local-variable 'paragraph-separate)
 318   (setq paragraph-separate "^[ \t]*$")
 319
 320   (make-local-variable 'paragraph-start)
 321   (setq paragraph-start "^[ \t]*$")
 322
 323   (make-local-variable 'comment-start)
 324   (setq comment-start "%")
 325
 326   (make-local-variable 'comment-start-skip)
 327   (setq comment-start-skip "%{? *")
 328
 329   (make-local-variable 'comment-end)
 330   (setq comment-end "\n")
 331
 332   (make-local-variable 'block-comment-start)
 333   (setq block-comment-start "%{")
 334
 335   (make-local-variable 'block-comment-end)
 336   (setq block-comment-end   "%}")
 337
 338   ;; (make-local-variable 'comment-column)
 339   ;; (setq comment-column 40)
 340
 341   (make-local-variable 'imenu-generic-expression)
 342   (setq imenu-generic-expression lily-imenu-generic-expression)
 343
 344   (make-local-variable 'indent-line-function)
 345   (setq indent-line-function 'indent-relative-maybe)
 346
 347   ;;
 348   (set-syntax-table lily-mode-syntax-table)
 349   (setq major-mode 'lilypond-mode)
 350   (setq mode-name "Mudela")
 351   (setq local-abbrev-table lilypond-mode-abbrev-table)
 352   (use-local-map lily-mode-map)
 353
 354   ;; run the mode hook. lily-mode-hook use is deprecated
 355   (run-hooks 'lilypond-mode-hook))
 356
 357
 358 (defun lily-keep-region-active ()
 359   ;; do whatever is necessary to keep the region active in XEmacs.
 360   ;; Ignore byte-compiler warnings you might see.  Also note that
 361   ;; FSF's Emacs 19 does it differently and doesn't its policy doesn't
 362   ;; require us to take explicit action.
 363   (and (boundp 'zmacs-region-stays)
 364        (setq zmacs-region-stays t)))
 365
 366
 367 ;;(defun lily-comment-region (beg end &optional arg)
 368 ;;  "Like `comment-region' but uses double hash (`#') comment starter."
 369 ;;  (interactive "r\nP")
 370 ;;  (let ((comment-start lily-block-comment-prefix))
 371 ;;    (comment-region beg end arg)))
 372 \f
 373 (defun lily-version ()
 374   "Echo the current version of `lilypond-mode' in the minibuffer."
 375   (interactive)
 376   (message "Using `lilypond-mode' version %s" lily-version)
 377   (lily-keep-region-active))
 378
 379 (provide 'lilypond-mode)
 380 ;;; lilypond-mode.el ends here