emacs-orgmode@gnu.org archives
 help / color / mirror / code / Atom feed
blob e197ea7a612531bc36e95d7f67a2db4dc86c13e1 16806 bytes (raw)
name: lisp/ob-lilypond.el 	 # note: path name is non-authoritative(*)

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
 
;;; ob-lilypond.el --- Babel Functions for Lilypond  -*- lexical-binding: t; -*-

;; Copyright (C) 2010-2021 Free Software Foundation, Inc.

;; Author: Martyn Jago
;; Keywords: babel language, literate programming
;; Homepage: https://orgmode.org/worg/org-contrib/babel/languages/ob-doc-lilypond.html

;; This file is part of GNU Emacs.

;; GNU Emacs is free software: you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.

;; GNU Emacs is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;; GNU General Public License for more details.

;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs.  If not, see <https://www.gnu.org/licenses/>.

;;; Commentary:

;; Installation, ob-lilypond documentation, and examples are available at
;; https://orgmode.org/worg/org-contrib/babel/languages/ob-doc-lilypond.html
;;
;; Lilypond documentation can be found at
;; https://lilypond.org/manuals.html
;;
;; This depends on epstopdf --- See https://www.ctan.org/pkg/epstopdf.

;;; Code:
(require 'ob)

(declare-function org-show-all "org" (&optional types))

(defalias 'lilypond-mode 'LilyPond-mode)

(add-to-list 'org-babel-tangle-lang-exts '("LilyPond" . "ly"))

(defvar org-babel-default-header-args:lilypond '()
  "Default header arguments for lilypond code blocks.
NOTE: The arguments are determined at lilypond compile time.
See `org-babel-lilypond-set-header-args'
To configure, see `ob-lilypond-header-args'
.")

(defvar ob-lilypond-header-args
  '((:results . "file") (:exports . "results"))
  "User-configurable header arguments for lilypond code blocks.
NOTE: The final value used by org-babel is computed at compile-time
and stored in  `org-babel-default-header-args:lilypond'
See `org-babel-lilypond-set-header-args'.")

(defvar org-babel-lilypond-compile-post-tangle t
  "Following the org-babel-tangle (C-c C-v t) command,
org-babel-lilypond-compile-post-tangle determines whether ob-lilypond should
automatically attempt to compile the resultant tangled file.
If the value is nil, no automated compilation takes place.
Default value is t.")

(defvar org-babel-lilypond-display-pdf-post-tangle t
  "Following a successful LilyPond compilation
org-babel-lilypond-display-pdf-post-tangle determines whether to automate the
drawing / redrawing of the resultant pdf.  If the value is nil,
the pdf is not automatically redrawn.  Default value is t.")

(defvar org-babel-lilypond-play-midi-post-tangle t
  "Following a successful LilyPond compilation
org-babel-lilypond-play-midi-post-tangle determines whether to automate the
playing of the resultant midi file.  If the value is nil,
the midi file is not automatically played.  Default value is t")

(defvar org-babel-lilypond-ly-command ""
  "Command to execute lilypond on your system.
Do not set it directly.  Customize `org-babel-lilypond-commands' instead.")

(defvar org-babel-lilypond-pdf-command ""
  "Command to show a PDF file on your system.
Do not set it directly.  Customize `org-babel-lilypond-commands' instead.")

(defvar org-babel-lilypond-midi-command ""
  "Command to play a MIDI file on your system.
Do not set it directly.  Customize `org-babel-lilypond-commands' instead.")

(defcustom org-babel-lilypond-commands
  (cond
   ((eq system-type 'darwin)
    '("/Applications/lilypond.app/Contents/Resources/bin/lilypond" "open" "open"))
   ((eq system-type 'windows-nt)
    '("lilypond" "" ""))
   (t
    '("lilypond" "xdg-open" "xdg-open")))
  "Commands to run lilypond and view or play the results.
These should be executables that take a filename as an argument.
On some system it is possible to specify the filename directly
and the viewer or player will be determined from the file type;
you can leave the string empty on this case."
  :group 'org-babel
  :type '(list
	  (string :tag "Lilypond   ")
	  (string :tag "PDF Viewer ")
	  (string :tag "MIDI Player"))
  :version "24.4"
  :package-version '(Org . "8.2.7")
  :set
  (lambda (symbol value)
    (set symbol value)
    (setq
     org-babel-lilypond-ly-command   (nth 0 value)
     org-babel-lilypond-pdf-command  (nth 1 value)
     org-babel-lilypond-midi-command (nth 2 value))))

(defvar org-babel-lilypond-gen-png nil
  "Non-nil means image generation (PNG) is turned on by default.")

(defvar org-babel-lilypond-gen-svg nil
  "Non-nil means image generation (SVG) is be turned on by default.")

(defvar org-babel-lilypond-gen-html nil
  "Non-nil means HTML generation is turned on by default.")

(defvar org-babel-lilypond-gen-pdf nil
  "Non-nil means PDF generation is be turned on by default.")

(defvar org-babel-lilypond-use-eps nil
  "Non-nil forces the compiler to use the EPS backend.")

(defvar org-babel-lilypond-arrange-mode nil
  "Non-nil turns Arrange mode on.
In Arrange mode the following settings are altered from default:
:tangle yes,    :noweb yes
:results silent :comments yes.
In addition lilypond block execution causes tangling of all lilypond
blocks.")

(defun org-babel-expand-body:lilypond (body params)
  "Expand BODY according to PARAMS, return the expanded body."
  (let ((vars (org-babel--get-vars params)))
    (mapc
     (lambda (pair)
       (let ((name (symbol-name (car pair)))
	     (value (cdr pair)))
	 (setq body
	       (replace-regexp-in-string
		(concat "$" (regexp-quote name))
		(if (stringp value) value (format "%S" value))
		body))))
     vars)
    body))

(defun org-babel-execute:lilypond (body params)
  "This function is called by `org-babel-execute-src-block'.
Depending on whether we are in arrange mode either:
1. Attempt to execute lilypond block according to header settings
  (This is the default basic mode)
2. Tangle all lilypond blocks and process the result (arrange mode)"
  (org-babel-lilypond-set-header-args org-babel-lilypond-arrange-mode)
  (if org-babel-lilypond-arrange-mode
      (org-babel-lilypond-tangle)
    (org-babel-lilypond-process-basic body params)))

(defun org-babel-lilypond-tangle ()
  "ob-lilypond specific tangle, attempts to invoke
=ly-execute-tangled-ly= if tangle is successful.  Also passes
specific arguments to =org-babel-tangle=."
  (interactive)
  (if (org-babel-tangle nil "yes" "lilypond")
      (org-babel-lilypond-execute-tangled-ly) nil))

(defun org-babel-lilypond-process-basic (body params)
  "Execute a lilypond block in basic mode."
  (let* ((out-file (cdr (assq :file params)))
	 (cmdline (or (cdr (assq :cmdline params))
		      ""))
	 (in-file (org-babel-temp-file "lilypond-")))

    (with-temp-file in-file
      (insert (org-babel-expand-body:generic body params)))
    (org-babel-eval
     (concat
      org-babel-lilypond-ly-command
      " -dbackend=eps "
      "-dno-gs-load-fonts "
      "-dinclude-eps-fonts "
      (or (cdr (assoc (file-name-extension out-file)
		      '(("pdf" . "--pdf ")
			("ps" . "--ps ")
			("png" . "--png "))))
	  "--png ")
      "--output="
      (file-name-sans-extension out-file)
      " "
      cmdline
      in-file) "")) nil)

(defun org-babel-prep-session:lilypond (_session _params)
  "Return an error because LilyPond exporter does not support sessions."
  (error "Sorry, LilyPond does not currently support sessions!"))

(defun org-babel-lilypond-execute-tangled-ly ()
  "Compile result of block tangle with lilypond.
If error in compilation, attempt to mark the error in lilypond org file."
  (when org-babel-lilypond-compile-post-tangle
    (let ((org-babel-lilypond-tangled-file (org-babel-lilypond-switch-extension
                            (buffer-file-name) ".lilypond"))
          (org-babel-lilypond-temp-file (org-babel-lilypond-switch-extension
                         (buffer-file-name) ".ly")))
      (if (not (file-exists-p org-babel-lilypond-tangled-file))
	  (error "Error: Tangle Failed!")
	(when (file-exists-p org-babel-lilypond-temp-file)
	  (delete-file org-babel-lilypond-temp-file))
	(rename-file org-babel-lilypond-tangled-file
		     org-babel-lilypond-temp-file))
      (org-switch-to-buffer-other-window "*lilypond*")
      (erase-buffer)
      (org-babel-lilypond-compile-lilyfile org-babel-lilypond-temp-file)
      (goto-char (point-min))
      (if (org-babel-lilypond-check-for-compile-error org-babel-lilypond-temp-file)
	  (error "Error in Compilation!")
	(other-window -1)
	(org-babel-lilypond-attempt-to-open-pdf org-babel-lilypond-temp-file)
	(org-babel-lilypond-attempt-to-play-midi org-babel-lilypond-temp-file)))))

(defun org-babel-lilypond-compile-lilyfile (file-name &optional test)
  "Compile lilypond file and check for compile errors.
FILE-NAME is full path to lilypond (.ly) file."
  (message "Compiling LilyPond...")
  (let ((arg-1 org-babel-lilypond-ly-command) ;program
        ;; (arg-2 nil)                    ;infile
        (arg-3 "*lilypond*")           ;buffer
	(arg-4 t)                      ;display
	(arg-5 (if org-babel-lilypond-gen-png  "--png"  "")) ;&rest...
	(arg-6 (if org-babel-lilypond-gen-html "--html" ""))
        (arg-7 (if org-babel-lilypond-gen-pdf "--pdf" ""))
        (arg-8 (if org-babel-lilypond-use-eps  "-dbackend=eps" ""))
        (arg-9 (if org-babel-lilypond-gen-svg  "-dbackend=svg" ""))
        (arg-10 (concat "--output=" (file-name-sans-extension file-name)))
        (arg-11 file-name))
    (if test
        `(,arg-1 ,nil ,arg-3 ,arg-4 ,arg-5 ,arg-6 ;; arg-2
                 ,arg-7 ,arg-8 ,arg-9 ,arg-10 ,arg-11)
      (call-process
       arg-1 nil arg-3 arg-4 arg-5 arg-6 ;; arg-2
       arg-7 arg-8 arg-9 arg-10 arg-11))))

(defun org-babel-lilypond-check-for-compile-error (file-name &optional test)
  "Check for compile error.
This is performed by parsing the *lilypond* buffer
containing the output message from the compilation.
FILE-NAME is full path to lilypond file.
If TEST is t just return nil if no error found, and pass
nil as file-name since it is unused in this context."
  (let ((is-error (search-forward "error:" nil t)))
    (if test
	is-error
      (when is-error
	(org-babel-lilypond-process-compile-error file-name)))))

(defun org-babel-lilypond-process-compile-error (file-name)
  "Process the compilation error that has occurred.
FILE-NAME is full path to lilypond file."
  (let ((line-num (org-babel-lilypond-parse-line-num)))
    (let ((error-lines (org-babel-lilypond-parse-error-line file-name line-num)))
      (org-babel-lilypond-mark-error-line file-name error-lines)
      (error "Error: Compilation Failed!"))))

(defun org-babel-lilypond-mark-error-line (file-name line)
  "Mark the erroneous lines in the lilypond org buffer.
FILE-NAME is full path to lilypond file.
LINE is the erroneous line."
  (org-switch-to-buffer-other-window
   (concat (file-name-nondirectory
            (org-babel-lilypond-switch-extension file-name ".org"))))
  (let ((temp (point)))
    (goto-char (point-min))
    (setq case-fold-search nil)
    (if (search-forward line nil t)
        (progn
          (org-show-all)
          (set-mark (point))
          (goto-char (- (point) (length line))))
      (goto-char temp))))

(defun org-babel-lilypond-parse-line-num (&optional buffer)
  "Extract error line number."
  (when buffer (set-buffer buffer))
  (let ((start
         (and (search-backward ":" nil t)
              (search-backward ":" nil t)
              (search-backward ":" nil t)
              (search-backward ":" nil t))))
    (when start
      (forward-char)
      (let ((num (string-to-number
		  (buffer-substring
		   (+ 1 start)
		   (- (search-forward ":" nil t) 1)))))
	(and (numberp num) num)))))

(defun org-babel-lilypond-parse-error-line (file-name lineNo)
  "Extract the erroneous line from the tangled .ly file.
FILE-NAME is full path to lilypond file.
LINENO is the number of the erroneous line."
  (with-temp-buffer
    (insert-file-contents (org-babel-lilypond-switch-extension file-name ".ly")
			  nil nil nil t)
    (if (> lineNo 0)
	(progn
	  (goto-char (point-min))
	  (forward-line (- lineNo 1))
	  (buffer-substring (point) (point-at-eol)))
      nil)))

(defun org-babel-lilypond-attempt-to-open-pdf (file-name &optional test)
  "Attempt to display the generated pdf file.
FILE-NAME is full path to lilypond file.
If TEST is non-nil, the shell command is returned and is not run."
  (when org-babel-lilypond-display-pdf-post-tangle
    (let ((pdf-file (org-babel-lilypond-switch-extension file-name ".pdf")))
      (if (file-exists-p pdf-file)
          (let ((cmd-string
                 (concat org-babel-lilypond-pdf-command " " pdf-file)))
            (if test
                cmd-string
	      (start-process
	       "\"Audition pdf\""
	       "*lilypond*"
	       org-babel-lilypond-pdf-command
	       pdf-file)))
	(message  "No pdf file generated so can't display!")))))

(defun org-babel-lilypond-attempt-to-play-midi (file-name &optional test)
  "Attempt to play the generated MIDI file.
FILE-NAME is full path to lilypond file.
If TEST is non-nil, the shell command is returned and is not run."
  (when org-babel-lilypond-play-midi-post-tangle
    (let* ((ext (if (eq system-type 'windows-nt)
                    ".mid" ".midi"))
           (midi-file (org-babel-lilypond-switch-extension file-name ext)))
      (if (file-exists-p midi-file)
          (let ((cmd-string
                 (concat org-babel-lilypond-midi-command " " midi-file)))
            (if test
                cmd-string
              (start-process
               "\"Audition midi\""
               "*lilypond*"
               org-babel-lilypond-midi-command
               midi-file)))
        (message "No midi file generated so can't play!")))))

(defun org-babel-lilypond-toggle-midi-play ()
  "Toggle whether midi will be played following a successful compilation."
  (interactive)
  (setq org-babel-lilypond-play-midi-post-tangle
        (not org-babel-lilypond-play-midi-post-tangle))
  (message (concat "Post-Tangle MIDI play has been "
                   (if org-babel-lilypond-play-midi-post-tangle
                       "ENABLED." "DISABLED."))))

(defun org-babel-lilypond-toggle-pdf-display ()
  "Toggle whether pdf will be displayed following a successful compilation."
  (interactive)
  (setq org-babel-lilypond-display-pdf-post-tangle
        (not org-babel-lilypond-display-pdf-post-tangle))
  (message (concat "Post-Tangle PDF display has been "
                   (if org-babel-lilypond-display-pdf-post-tangle
                       "ENABLED." "DISABLED."))))

(defun org-babel-lilypond-toggle-png-generation ()
  "Toggle whether png image will be generated by compilation."
  (interactive)
  (setq org-babel-lilypond-gen-png (not org-babel-lilypond-gen-png))
  (message (concat "PNG image generation has been "
                   (if org-babel-lilypond-gen-png "ENABLED." "DISABLED."))))

(defun org-babel-lilypond-toggle-html-generation ()
  "Toggle whether html will be generated by compilation."
  (interactive)
  (setq org-babel-lilypond-gen-html (not org-babel-lilypond-gen-html))
  (message (concat "HTML generation has been "
                   (if org-babel-lilypond-gen-html "ENABLED." "DISABLED."))))

(defun org-babel-lilypond-toggle-pdf-generation ()
  "Toggle whether pdf will be generated by compilation."
  (interactive)
  (setq org-babel-lilypond-gen-pdf (not org-babel-lilypond-gen-pdf))
  (message (concat "PDF generation has been "
                   (if org-babel-lilypond-gen-pdf "ENABLED." "DISABLED."))))

(defun org-babel-lilypond-toggle-arrange-mode ()
  "Toggle whether in Arrange mode or Basic mode."
  (interactive)
  (setq org-babel-lilypond-arrange-mode
        (not org-babel-lilypond-arrange-mode))
  (message (concat "Arrange mode has been "
                   (if org-babel-lilypond-arrange-mode "ENABLED." "DISABLED."))))

(defun org-babel-lilypond-switch-extension (file-name ext)
  "Utility command to swap current FILE-NAME extension with EXT."
  (concat (file-name-sans-extension
           file-name)
	 ext))

(defun org-babel-lilypond-get-header-args (mode)
  "Default arguments to use when evaluating a lilypond source block.
These depend upon whether we are in Arrange mode i.e. MODE is t."
  (cond (mode
         '((:tangle . "yes")
           (:noweb . "yes")
           (:results . "silent")
           (:cache . "yes")
           (:comments . "yes")))
        (t
          ob-lilypond-header-args)))

(defun org-babel-lilypond-set-header-args (mode)
  "Set org-babel-default-header-args:lilypond
dependent on ORG-BABEL-LILYPOND-ARRANGE-MODE."
  (setq org-babel-default-header-args:lilypond
        (org-babel-lilypond-get-header-args mode)))

(provide 'ob-lilypond)

;;; ob-lilypond.el ends here

debug log:

solving e197ea7a6 ...
found e197ea7a6 in https://yhetil.org/orgmode/87y28i3lp5.fsf@autistici.org/
found eae1779ce in https://git.savannah.gnu.org/cgit/emacs/org-mode.git
preparing index
index prepared:
100644 eae1779ce5c2a593c7a8944720e0fdf58e166a79	lisp/ob-lilypond.el

applying [1/1] https://yhetil.org/orgmode/87y28i3lp5.fsf@autistici.org/
diff --git a/lisp/ob-lilypond.el b/lisp/ob-lilypond.el
index eae1779ce..e197ea7a6 100644

Checking patch lisp/ob-lilypond.el...
Applied patch lisp/ob-lilypond.el cleanly.

index at:
100644 e197ea7a612531bc36e95d7f67a2db4dc86c13e1	lisp/ob-lilypond.el

(*) Git path names are given by the tree(s) the blob belongs to.
    Blobs themselves have no identifier aside from the hash of its contents.^

Code repositories for project(s) associated with this public inbox

	https://git.savannah.gnu.org/cgit/emacs/org-mode.git

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).