aboutsummaryrefslogtreecommitdiff
path: root/emacs/skribe.el.in
blob: d8ee5903ff3f4e12cd20096452841dd3797c4143 (plain)
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
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
;;; user.skb  --  The Skribe/Skribilo Emacs mode.
;;;
;;; Copyright 2008  Ludovic Courtès <ludo@gnu.org>
;;; Copyright 2003, 2004  Manuel Serrano <manuel.serrano@inria.fr>
;;;
;;;
;;; This program 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 2 of the License, or
;;; (at your option) any later version.
;;;
;;; This program 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 this program; if not, write to the Free Software
;;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
;;; USA.

;*---------------------------------------------------------------------*/
;*    module                                                           */
;*---------------------------------------------------------------------*/
(provide 'skribe)


;*---------------------------------------------------------------------*/
;*    custom                                                           */
;*---------------------------------------------------------------------*/
;; skribe version
(defconst skribe-version "@PACKAGE_VERSION@"
  "*The Skribe version.")

;; skribe group
(defgroup skribe nil
  "Skribe Emacs Environment."
  :tag "Skribe"
  :prefix "skribe-"
  :group 'processes)

;; emacs directory
(defcustom skribe-emacs-dir '"@lispdir@"
  "*Directory for Skribe Emacs installation."
  :group 'skribe
  :type '(string))

;; additional directories for online documentation
(defcustom skribe-docdirs '("@docdir@")
  "*Directories for online documentation."
  :group 'skribe
  :type '(repeat (string)))

;; Host scheme documentation
(defcustom skribe-host-scheme-docdirs '("http://www.gnu.org/software/guile/")
  "*URL for hosting Scheme system."
  :group 'skribe
  :type '(string))

;; html browser
(defcustom skribe-html-browser "mozilla"
  "*The binary file to run for browing HTML files or nil for Emacs mode."
  :group 'skribe
  :type '(choice string (const nil)))

;; electric parenthesis
(defcustom skribe-electric-parenthesis t
  "*Set his to nil if you don't want electric closing parenthesis."
  :type 'boolean)

;;;###autoload
(defcustom skribe-mode-line-string " Skr"
  "*String displayed on the modeline when skribe is active.
Set this to nil if you don't want a modeline indicator."
  :group 'skribe
  :type '(choice string (const :tag "None" nil)))

;; fixed indentation
(defcustom skribe-forced-indent-regexp ";;;\\|;[*]"
  "*The regexp that marks a forced indentation"
  :group 'skribe
  :type 'string)

;; normal indentation
(defcustom skribe-body-indent 3
  "*The Skribe indentation width"
  :group 'skribe
  :type 'integer)

;; font lock
(defcustom skribe-font-lock-keywords
  (list
   (list (concat "\(\\(let\\|let[*]\\|letrec\\|define"
		 "\\|define-markup\\|set[!]"
		 "\\|lambda\\|labels"
		 "\\|let-syntax\\|letrec-syntax"
		 "\\|regular-grammar\\|lalr-grammar"
		 "\\|if\\|when\\|unless\\|begin\\|case\\|cond\\|else"
		 "\\|multiple-value-bind\\|values\\)[ :\n\t]")
	 1
	 'font-lock-keyword-face)
   
   (list "(\\(document\\|chapter\\|section\\|subsection\\|subsubsection\\|paragraph\\|p\\|skribe-load\\|include\\|slide\\)[) \n]"
	 1
	 'font-lock-function-name-face)
   (list "(\\(toc\\|itemize\\|enumerate\\|description\\|item\\|the-bibliography\\|the-index\\|default-index\\|frame\\|center\\|table\\|tr\\|th\\|td\\|linebreak\\|footnote\\|color\\|author\\|prog\\|source\\|figure\\|image\\)[) \n]"
	 1
	 'font-lock-builtin-face)
   (list "(\\(bold\\|code\\|emph\\|it\\|kbd\\|tt\\|roman\\|underline\\|var\\|samp\\|sc\\|sf\\|sup\\|sub\\)[ )]"
	 1
	 'font-lock-builtin-face)
   (list "(\\(ref\\|mailto\\|mark\\|new\\)[) \n]"
	 1
	 'font-lock-type-face)
   (cons "\\(:[^] \n)]+\\|#![a-zA-Z]+\\)"
	 'font-lock-preprocessor-face)
   (cons "[[]\\|]"
	 'font-lock-comment-delimiter-face)
   (list "(\\(markup-writer\\|make-engine\\|copy-engine\\|default-engine-set!\\|engine-custom\\|engine-custom-set!\\|engine-custom-add!\\|markup-option\\|markup-option-add!\\|markup-body\\)[ \n]"
	 1
	 'font-lock-function-name-face)
   (list ",(\\([^ \n()]+\\)"
	 1
	 'font-lock-comment-delimiter-face)
   (list ";.*$"
	 1
	 'font-lock-comment-face)
   (list "#;\\(([^)]*)\\|\\[[^\\]]*\\]\\|[a-zA-Z0-9]*\\)" ;; SRFI-62 comments
	 'font-lock-comment-face))
  "*The Skribe font-lock specification."
  :group 'skribe)

;; FIXME: Commented out UDE-dependent toolbar.
;; tool-bar
;; (defcustom skribe-toolbar
;;   `(;; the spell button
;;     ("spell.xpm" flyspell-buffer "Buffer spell check")
;;     --
;;     ;; the compile button
;;     (,ude-compile-icon ude-mode-compile-from-menu "Compile")
;;     ;; the root button
;;     (,ude-root-icon ude-user-set-root-directory "Set new root directory")
;;     --
;;     ;; the repl button
;;     (,ude-repl-icon ude-repl-other-frame "Start a read-eval-print loop")
;;     --
;;     -->
;;     --
;;     ;; online documentation
;;     (,ude-help-icon skribe-doc-ident "Describe markup at point")
;;     (,ude-info-icon skribe-manuals "Skribe online documentations"))
;;   "*The Skribe toolbar"
;;   :group 'skribe)

;; paragraphs
(defcustom skribe-paragraph-start
  "^\\(?:[ \t\n\f]\\|;;\\|[(]\\(?:section\\|sub\\|p\\|slide\\|document\\)\\)"
  "*The regexp that marks a paragraph start"
  :group 'skribe
  :type 'string)

(defcustom skribe-paragraph-separate
  "^[ \t\f%]*$"
  "*The regexp that marks a paragraph separation"
  :group 'skribe
  :type 'string)

;*---------------------------------------------------------------------*/
;*    Which emacs are we currently running                             */
;*---------------------------------------------------------------------*/
(defvar skribe-emacs
  (cond
   ((string-match "XEmacs" emacs-version)
    'xemacs)
   (t
    'emacs))
  "The type of Emacs we are currently running.")

;*---------------------------------------------------------------------*/
;*    Autoloading                                                      */
;*---------------------------------------------------------------------*/
;;;###autoload
(defvar skribe-mode-map (make-sparse-keymap))

;;;###autoload
(if (fboundp 'add-minor-mode)
    (add-minor-mode 'skribe-mode
		    'skribe-mode-line-string
		    nil
		    nil
		    'skribe-mode)

  (or (assoc 'skribe-mode minor-mode-alist)
      (setq minor-mode-alist
	    (cons '(skribe-mode skribe-mode-line-string)
		  minor-mode-alist)))

  (or (assoc 'skribe-mode minor-mode-map-alist)
      (setq minor-mode-map-alist
	    (cons (cons 'skribe-mode skribe-mode-map)
		  minor-mode-map-alist))))


;;;
;;; User manual browsing.
;;;
;;; FIXME: This is dependent on Bigloo's UDE and therefore currently unusable.

;*---------------------------------------------------------------------*/
;*    skribe-manuals-menu-entry ...                                    */
;*---------------------------------------------------------------------*/
(defun skribe-manuals-menu-entry (s)
  (let ((sym (gensym)))
    (fset sym `(lambda ()
		 (interactive)
		 (ude-system skribe-html-browser
			     (format "file:%s" (expand-file-name ,s)))))
    (vector (file-name-nondirectory s) sym t)))

;*---------------------------------------------------------------------*/
;*    skribe-directory-html-files                                      */
;*---------------------------------------------------------------------*/
(defun skribe-directory-html-files (dirs)
  (let ((dirs dirs)
	(res '()))
    (while (consp dirs)
      (let ((dir (car dirs)))
	(when (file-directory-p dir)
	  (setq res (append (directory-files dir t "^.+[^0-9][.]html$") res))
	  (setq dirs (cdr dirs)))))
    res))
  
;*---------------------------------------------------------------------*/
;*    skribe-manuals ...                                               */
;*---------------------------------------------------------------------*/
(defun skribe-manuals ()
  (interactive)
  (when (stringp skribe-html-browser)
    (let ((res (skribe-directory-html-files skribe-docdirs))
	  (host (sort (skribe-directory-html-files skribe-host-scheme-docdirs)
		      'string<)))
      (if (= (length res) 1)
	  (ude-system skribe-html-browser
		      (format "file:%s" (expand-file-name (car res))))
	(let (user dir)
	  (let ((old res)
		(new '()))
	    (while (consp old)
	      (let* ((f (car old))
		     (b (file-name-nondirectory f)))
		(setq old (cdr old))
		(cond
		 ((string-equal b "user.html")
		  (setq user f))
		 ((string-equal b "dir.html")
		  (setq dir f))
		 (t (setq new (cons f new))))))
	    (let* ((rest (mapcar 'skribe-manuals-menu-entry
				 (sort new
				       '(lambda (s u)
					  (string<
					   (file-name-nondirectory s)
					   (file-name-nondirectory u))))))
		   (smenu (cond
			   ((and user dir)
			    (append (list (skribe-manuals-menu-entry user)
					  (skribe-manuals-menu-entry dir)
					  "--:shadowEtchedInDash")
				    rest))
			   ((dir)
			    (cons (skribe-manuals-menu-entry dir) rest))
			   ((user)
			    (cons (skribe-manuals-menu-entry user) rest))
			   (t
			    rest)))
		   (menu (if (consp host)
			     (append smenu
				     (cons "--:shadowEtchedInDash"
					   (mapcar 'skribe-manuals-menu-entry
						   host)))
			   smenu)))
	      (popup-menu
	       (cons "Doc" menu)))))))))


;;;
;;; Autotyping.
;;;

;*---------------------------------------------------------------------*/
;*    skribe-scheme-indent-line ...                                    */
;*---------------------------------------------------------------------*/
(defvar skribe-scheme-indent-line nil)
(make-variable-buffer-local 'skribe-scheme-indent-line)

;*---------------------------------------------------------------------*/
;*    skribe-insert-parenthesis ...                                    */
;*---------------------------------------------------------------------*/
(defun skribe-insert-parenthesis (char)
  ;; find the open parenthesis
  (if skribe-electric-parenthesis
      (let ((clo nil)
	    (tag nil))
	(save-excursion
	  (save-restriction
	    ;; Scan across one sexp within that range.
	    ;; Errors or nil mean there is a mismatch.
	    (insert ?\))
	    (condition-case ()
		(let ((pos (scan-sexps (point) -1)))
		  (if pos 
		      (progn 
			(save-excursion
			  (goto-char pos)
			  (forward-word 1)
			  (setq tag (buffer-substring (1+ pos) (point))))
			(setq clo (matching-paren (char-after pos)))) ))
	      (error nil))))
	(if clo
	    (progn
	      (delete-char 1)
	      (insert clo))
	  (forward-char 1)))
    (insert char)))

;*---------------------------------------------------------------------*/
;*    skribe-parenthesis ...                                           */
;*---------------------------------------------------------------------*/
(defun skribe-parenthesis (&optional dummy)
  "Automatic parenthesis closing of )."
  (interactive)
  ;; find the open parenthesis
  (skribe-insert-parenthesis ?\)))

;*---------------------------------------------------------------------*/
;*    skribe-bracket ...                                               */
;*---------------------------------------------------------------------*/
(defun skribe-bracket (&optional dummy)
  "Automatic parenthesis closing of ]."
  (interactive)
  (skribe-insert-parenthesis ?\]))

;*---------------------------------------------------------------------*/
;*    skribe-doc-ident ...                                             */
;*    -------------------------------------------------------------    */
;*    On-line document for identifier IDENT. This spawns an            */
;*    HTML browser for serving the documentation.                      */
;*---------------------------------------------------------------------*/
(defun skribe-doc-ident (ident)
  ;; FIXME: Depends on Bigloo's UDE.
  (interactive (ude-interactive-ident (point) "Identifier: "))
  (and (stringp skribe-html-browser)
       (let ((dirs skribe-docdirs))
	 (while (consp dirs)
	   (let* ((dir (car dirs))
		  (html-ref (ude-sui-find-ref ident dir)))
	     (if (stringp html-ref)
		 (progn
		   (ude-system skribe-html-browser
			       (format "file:%s/%s"
				       (expand-file-name dir)
				       html-ref))
		   (setq dirs '()))
	       (setq dirs (cdr dirs))))))))

;*---------------------------------------------------------------------*/
;*    skribe-mode ...                                                  */
;*---------------------------------------------------------------------*/
;;;###autoload
(defvar skribe-mode nil)
(make-variable-buffer-local 'skribe-mode)

;*---------------------------------------------------------------------*/
;*    skribe-major-mode ...                                            */
;*---------------------------------------------------------------------*/
;;;###autoload
(defun skribe-major-mode ()
  "Major mode for editing Skribe code."
  (interactive)
  (bee-mode)
  (skribe-mode t))

;*---------------------------------------------------------------------*/
;*    skribe-mode ...                                                  */
;*---------------------------------------------------------------------*/
;;;###autoload
(defun skribe-mode (&optional arg)
  "Minor mode for editing Skribe sources.

Bindings:
\\[skribe-doc-ident]: on-line document.

Hooks:
This runs `skribe-mode-hook' after skribe is enterend."
  (interactive "P")
  (let ((old-skribe-mode skribe-mode))
    ;; Mark the mode as on or off.
    (setq skribe-mode (not (or (and (null arg) skribe-mode)
			       (<= (prefix-numeric-value arg) 0))))
    ;; Do the real work.
    (unless (eq skribe-mode old-skribe-mode)
      (if skribe-mode (skribe-activate-mode) nil))
    ;; Force modeline redisplay.
    (set-buffer-modified-p (buffer-modified-p))))

;*---------------------------------------------------------------------*/
;*    skribe-return ...                                                */
;*---------------------------------------------------------------------*/
(defun skribe-return (&optional dummy)
  "Automatic indentation on RET."
  (interactive)
  (newline)
  (if (>= (point) (point-min))
      (skribe-indent-line)))

;*---------------------------------------------------------------------*/
;*    skribe-indent-line-toggle ...                                    */
;*---------------------------------------------------------------------*/
(defvar skribe-indent-line-toggle nil)

;*---------------------------------------------------------------------*/
;*    skribe-indent-line ...                                           */
;*---------------------------------------------------------------------*/
(defun skribe-indent-line ()
  (interactive)
  (if (eq last-command 'skribe-indent-line)
      (if skribe-indent-line-toggle
	  (skribe-do-indent-line)
	(progn
	  (setq skribe-indent-line-toggle t)
	  (if skribe-scheme-indent-line
	      (funcall skribe-scheme-indent-line))))
    (skribe-do-indent-line)))

;*---------------------------------------------------------------------*/
;*    skribe-do-indent-line ...                                        */
;*---------------------------------------------------------------------*/
(defun skribe-do-indent-line ()
  (setq skribe-indent-line-toggle nil)
  (let ((start (point)) beg)
    (beginning-of-line)
    (setq beg (point))
    (skip-chars-forward " \t")
    (let* ((pos (- (point-max) start))
	   (indent (skribe-calculate-indent start)))
      (when indent
	(if (listp indent) (setq indent (car indent)))
	(let ((shift-amt (- indent (current-column))))
	  (if (zerop shift-amt)
	      nil
	    (delete-region beg (point))
	    (indent-to indent))))
      ;; If initial point was within line's indentation,
      ;; position after the indentation.
      ;; Else stay at same point in text.
      (if (> (- (point-max) pos) (point))
	  (goto-char (- (point-max) pos))))))

;*---------------------------------------------------------------------*/
;*    skribe-calculate-indent ...                                      */
;*---------------------------------------------------------------------*/
(defun skribe-calculate-indent (start &optional parse-start)
  "Return appropriate indentation for current line as Skribe code.
In usual case returns an integer: the column to indent to.
Can instead return a list, whose car is the column to indent to.
This means that following lines at the same level of indentation
should not necessarily be indented the same way.
The second element of the list is the buffer position
of the start of the containing expression."
  (or (skribe-calculate-forced-indent)
      (skribe-calculate-free-indent start parse-start)))

;*---------------------------------------------------------------------*/
;*    skribe-calculate-forced-indent ...                               */
;*    -------------------------------------------------------------    */
;*    Returns a column number iff the line indentation is forced       */
;*    (i.e. the previous line starts with a "[ \t]*;;;"). Otherwise    */
;*    returns f.                                                       */
;*---------------------------------------------------------------------*/
(defun skribe-calculate-forced-indent ()
  (save-excursion
    (previous-line 1)
    (beginning-of-line)
    (skip-chars-forward " \t")
    (let ((s (current-column)))
      (and (looking-at skribe-forced-indent-regexp) s))))

;*---------------------------------------------------------------------*/
;*    skribe-calculate-free-indent ...                                 */
;*---------------------------------------------------------------------*/
(defun skribe-calculate-free-indent (start &optional parse-start)
  (save-excursion
    (beginning-of-line)
    (let ((indent-point (point)) state paren-depth desired-indent (retry t)
          last-sexp containing-sexp first-sexp-list-p skribe-indent)
      (if parse-start
          (goto-char parse-start)
	;; TOBE IMPROVED
        (goto-char (point-min)))
;* 	(beginning-of-defun))                                          */
      ;; Find outermost containing sexp
      (while (< (point) indent-point)
        (setq state (parse-partial-sexp (point) indent-point 0)))
      ;; Find innermost containing sexp
      (while (and retry (setq paren-depth (car state)) (> paren-depth 0))
        (setq retry nil)
        (setq last-sexp (nth 2 state))
        (setq containing-sexp (car (cdr state)))
        ;; Position following last unclosed open.
        (goto-char (1+ containing-sexp))
        ;; Is there a complete sexp since then?
        (if (and last-sexp (> last-sexp (point)))
            ;; Yes, but is there a containing sexp after that?
            (let ((peek (parse-partial-sexp last-sexp indent-point 0)))
              (if (setq retry (car (cdr peek))) (setq state peek))))
        (if (not retry)
            ;; Innermost containing sexp found
            (progn
              (goto-char (1+ containing-sexp))
              (if (not last-sexp)
                  ;; indent-point immediately follows open paren.
                  ;; Don't call hook.
                  (setq desired-indent (current-column))
                ;; Move to first sexp after containing open paren
                (parse-partial-sexp (point) last-sexp 0 t)
                (setq first-sexp-list-p (looking-at "\\s("))
                (cond
                 ((> (save-excursion (forward-line 1) (point))
                     last-sexp)
                  ;; Last sexp is on same line as containing sexp.
                  ;; It's almost certainly a function call.
                  (parse-partial-sexp (point) last-sexp 0 t)
                  (if (/= (point) last-sexp)
                      ;; Indent beneath first argument or, if only one sexp
                      ;; on line, indent beneath that.
                      (progn (forward-sexp 1)
                             (parse-partial-sexp (point) last-sexp 0 t)))
                  (backward-prefix-chars))
                 (t
                  ;; Indent beneath first sexp on same line as last-sexp.
                  ;; Again, it's almost certainly a function call.
                  (goto-char last-sexp)
                  (beginning-of-line)
                  (parse-partial-sexp (point) last-sexp 0 t)
                  (backward-prefix-chars)))))))
      ;; If looking at a list, don't call hook.
      (if first-sexp-list-p
          (setq desired-indent (current-column)))
      ;; Point is at the point to indent under unless we are inside a string.
      ;; Call indentation hook except when overriden by skribe-indent-offset
      ;; or if the desired indentation has already skriben computed.
      '(message-box (format "start=%s\nfirst-sexp-lisp-p: %s\nstate: %s\ndesired-indent: %s\nintegerp=%s\nchar-after=%s\ncur-char=%s\npoint=%s\nskribe-indent-function-p=%s\n" start first-sexp-list-p state desired-indent
			   (integerp (car (nthcdr 1 state)))
			   (char-after (car (nthcdr 1 state)))
			   (char-after (point))
			   (point)
			   (skribe-indent-method state)))
      (cond ((car (nthcdr 3 state))
             ;; Inside a string, don't change indentation.
             (goto-char indent-point)
             (skip-chars-forward " \t")
             (setq desired-indent (current-column)))
            ((skribe-indent-bracket-p state)
             ;; indenting a bracket
	     (save-excursion
	       (goto-char start)
	       (skip-chars-forward " \t")
	       (let ((c (car (nthcdr 9 state))))
		 (if (and (consp c) (looking-at ",(") nil)
		     (let ((l (length c)))
		       (if (< l 2)
			   (setq desired-indent 0)
			 (progn
			   (goto-char (car (nthcdr (- l 2) c)))
			   (setq desired-indent (current-column)))))
		   (setq desired-indent 0)))))
	    ((setq skribe-indent (skribe-indent-method state))
	     ;; skribe special form
	     (setq desired-indent skribe-indent))
	    (skribe-scheme-indent-line
	     ;; scheme form
	     (goto-char start)
	     (funcall skribe-scheme-indent-line)
	     (setq desired-indent nil))
	    (t
             ;; use default indentation if not computed yet
             (setq desired-indent (current-column))))
      desired-indent)))

;*---------------------------------------------------------------------*/
;*    skribe-indent-bracket-p ...                                      */
;*---------------------------------------------------------------------*/
(defun skribe-indent-bracket-p (state)
  (or (and (integerp (car (nthcdr 1 state)))
	   (eq (char-after (car (nthcdr 1 state))) ?[))
      (let ((op (car (nthcdr 9 state))))
	(and (consp op)
	     (let ((po (reverse op))
		   (context 'unknown))
	       (save-excursion
		 (while (and (consp po) (eq context 'unknown))
		   (cond
		    ((eq (char-after (car po)) ?[)
		     (setq context 'skribe))
		    ((and (eq (char-after (car po)) ?\()
			  (> (car po) (point-min))
			  (eq (char-after (1- (car po))) ?,))
		     (setq context 'scheme))
		    (t
		     (setq po (cdr po))))))
	       (eq context 'skribe))))))

;*---------------------------------------------------------------------*/
;*    skribe-indent-method ...                                         */
;*---------------------------------------------------------------------*/
(defun skribe-indent-method (state)
  (let ((is (car (nthcdr 1 state))))
    (and (integerp is)
	 (save-excursion
	   (goto-char is)
	   (let* ((function (intern-soft
			     (buffer-substring
			      (progn (forward-char 1) (point))
			      (progn (forward-sexp 1) (point)))))
		  (method (get function 'skribe-indent)))
	     (if (functionp method)
		 (funcall method state)
	       nil))))))

;*---------------------------------------------------------------------*/
;*    skribe-indent-function ...                                       */
;*---------------------------------------------------------------------*/
(defun skribe-indent-function (state)
  (save-excursion
    (goto-char (car (nthcdr 1 state)))
    (+ (current-column) skribe-body-indent)))

;*---------------------------------------------------------------------*/
;*    normal-indent ...                                                */
;*---------------------------------------------------------------------*/
(defvar normal-indent 0)

;*---------------------------------------------------------------------*/
;*    skribe-indent-sexp ...                                           */
;*---------------------------------------------------------------------*/
(defun skribe-indent-sexp ()
  "Indent each line of the list starting just after point."
  (interactive)
  (let ((indent-stack (list nil)) (next-depth 0) last-depth bol
        outer-loop-done inner-loop-done state this-indent)
    (save-excursion (forward-sexp 1))
    (save-excursion
      (setq outer-loop-done nil)
      (while (not outer-loop-done)
        (setq last-depth next-depth
              inner-loop-done nil)
        (while (and (not inner-loop-done)
                    (not (setq outer-loop-done (eobp))))
          (setq state (parse-partial-sexp (point) (progn (end-of-line) (point))
                                          nil nil state))
          (setq next-depth (car state))
          (if (car (nthcdr 4 state))
              (progn (skribe-comment-indent)
                     (end-of-line)
                     (setcar (nthcdr 4 state) nil)))
          (if (car (nthcdr 3 state))
              (progn
                (forward-line 1)
                (setcar (nthcdr 5 state) nil))
            (setq inner-loop-done t)))
        (if (setq outer-loop-done (<= next-depth 0))
            nil
          (while (> last-depth next-depth)
            (setq indent-stack (cdr indent-stack)
                  last-depth (1- last-depth)))
          (while (< last-depth next-depth)
            (setq indent-stack (cons nil indent-stack)
                  last-depth (1+ last-depth)))
          (forward-line 1)
          (setq bol (point))
          (skip-chars-forward " \t")
          (if (or (eobp) (looking-at ";\\(;;\\|[*]\\)"))
              nil
	    (let ((val (skribe-calculate-indent
			(point)
			(if (car indent-stack) (- (car indent-stack))))))
	      (cond
	       ((integerp val)
		(setcar indent-stack (setq this-indent val)))
	       ((consp val)
		(setcar indent-stack (- (car (cdr val))))
		(setq this-indent (car val)))
	       (t
		(setq this-indent nil))))
	    (if (and (integerp this-indent) (/= (current-column) this-indent))
		(progn (delete-region bol (point))
		       (indent-to this-indent)))))))))

;*---------------------------------------------------------------------*/
;*    skribe-comment-indent ...                                        */
;*---------------------------------------------------------------------*/
(defun skribe-comment-indent (&optional pos)
  (save-excursion
    (if pos (goto-char pos))
    (cond
     ((looking-at ";;;")
      (current-column))
     ((looking-at ";*")
      0)
     ((looking-at "[ \t]*;;")
      (let ((tem (skribe-calculate-indent (point))))
	(if (listp tem) (car tem) tem)))
     (t
      (skip-chars-backward " \t")
      (max (if (bolp) 0 (1+ (current-column)))
	   comment-column)))))

;*---------------------------------------------------------------------*/
;*    skribe-custom-indent ...                                         */
;*---------------------------------------------------------------------*/
(defun skribe-custom-indent ()
  (save-excursion
    (goto-char (point-min))
    ;; The concat is used to split the regexp so that it is nolonger
    ;; to find itself! Without the split, the skribe mode cannot be
    ;; used to edit this source file!
    (let ((regexp (concat "@ind" "ent:\\([^@]+\\)@")))
      (while (re-search-forward regexp (point-max) t)
	(condition-case ()
	    (eval-region (match-beginning 1) (match-end 1) nil)
	  (error nil))))))

;*---------------------------------------------------------------------*/
;*    skribe-indent-load ...                                           */
;*---------------------------------------------------------------------*/
(defun skribe-indent-load (file)
  (let ((lp (cons skribe-emacs-dir load-path)))
    (while (consp lp)
      (let ((f (concat (car lp) "/" file)))
	(if (file-exists-p f)
	    (progn
	      (load f)
	      (set! lp '()))
	  (set! lp (cdr lp)))))))

;*---------------------------------------------------------------------*/
;*    skribe-activate-mode ...                                         */
;*---------------------------------------------------------------------*/
(defun skribe-activate-mode ()
  ;; buffer local global variables
;;   (make-variable-buffer-local 'ude-extra-identifier-chars)
;;   (setq ude-extra-identifier-chars "-")
  ;; the keymap
  (skribe-activate-keymap skribe-mode-map)
  ;; font lock
  (make-local-variable 'font-lock-defaults)
  (setq font-lock-defaults '(skribe-font-lock-keywords))
  (font-lock-mode nil)
  (font-lock-mode t)
  ;; paragraph
  (make-variable-buffer-local 'paragraph-start)
  (setq paragraph-start skribe-paragraph-start)
  (make-variable-buffer-local 'paragraph-separate)
  (setq paragraph-separate skribe-paragraph-separate)
  ;; try to retreive the globa'paragraph-startl indentation binding
  (if (not skribe-scheme-indent-line)
      (setq skribe-scheme-indent-line (global-key-binding "\t")))
  ;; the toolbar
  (use-local-map skribe-mode-map)
;;   (ude-toolbar-set skribe-toolbar)
  ;; the custom indentation
  (skribe-custom-indent)
  ;; we end with the skribe hooks
  (run-hooks 'skribe-mode-hook)
  t)

;*---------------------------------------------------------------------*/
;*    skribe-activate-keymap ...                                       */
;*---------------------------------------------------------------------*/
(defun skribe-activate-keymap (map)
  (define-key map "\C-m" 'skribe-return)
  (define-key map "\e\C-m" 'newline)
  (define-key map "\t" 'skribe-indent-line)
  (define-key map ")" 'skribe-parenthesis)
  (define-key map "]" 'skribe-bracket)
  (define-key map "\e\C-q" 'skribe-indent-sexp)
  (cond
   ((eq skribe-emacs 'xemacs)
    (define-key map [(control \))] (lambda () (interactive) (insert ")")))
    (define-key map [(control \])] (lambda () (interactive) (insert "]"))))
   (t
    (define-key map [?\C-\)] (lambda () (interactive) (insert ")")))
    (define-key map [?\C-\]] (lambda () (interactive) (insert "]"))))))

;*---------------------------------------------------------------------*/
;*    Standard Skribe indent forms                                     */
;*---------------------------------------------------------------------*/
(put 'make-engine 'skribe-indent 'skribe-indent-function)
(put 'copy-engine 'skribe-indent 'skribe-indent-function)
(put 'markup-writer 'skribe-indent 'skribe-indent-function)
(put 'engine-custom 'skribe-indent 'skribe-indent-function)
(put 'engine-custom-set! 'skribe-indent 'skribe-indent-function)
(put 'document 'skribe-indent 'skribe-indent-function)
(put 'author 'skribe-indent 'skribe-indent-function)
(put 'chapter 'skribe-indent 'skribe-indent-function)
(put 'section 'skribe-indent 'skribe-indent-function)
(put 'subsection 'skribe-indent 'skribe-indent-function)
(put 'subsubsection 'skribe-indent 'skribe-indent-function)
(put 'paragraph 'skribe-indent 'skribe-indent-function)
(put 'footnote 'skribe-indent 'skribe-indent-function)
(put 'linebreak 'skribe-indent 'skribe-indent-function)
(put 'hrule 'skribe-indent 'skribe-indent-function)
(put 'color 'skribe-indent 'skribe-indent-function)
(put 'frame 'skribe-indent 'skribe-indent-function)
(put 'font 'skribe-indent 'skribe-indent-function)
(put 'flush 'skribe-indent 'skribe-indent-function)
(put 'center 'skribe-indent 'skribe-indent-function)
(put 'pre 'skribe-indent 'skribe-indent-function)
(put 'prog 'skribe-indent 'skribe-indent-function)
(put 'source 'skribe-indent 'skribe-indent-function)
(put 'language 'skribe-indent 'skribe-indent-function)
(put 'itemize 'skribe-indent 'skribe-indent-function)
(put 'enumerate 'skribe-indent 'skribe-indent-function)
(put 'description 'skribe-indent 'skribe-indent-function)
(put 'item 'skribe-indent 'skribe-indent-function)
(put 'figure 'skribe-indent 'skribe-indent-function)
(put 'table 'skribe-indent 'skribe-indent-function)
(put 'tr 'skribe-indent 'skribe-indent-function)
(put 'td 'skribe-indent 'skribe-indent-function)
(put 'th 'skribe-indent 'skribe-indent-function)
(put 'image 'skribe-indent 'skribe-indent-function)
(put 'blockquote 'skribe-indent 'skribe-indent-function)
(put 'roman 'skribe-indent 'skribe-indent-function)
(put 'bold 'skribe-indent 'skribe-indent-function)
(put 'underline 'skribe-indent 'skribe-indent-function)
(put 'strike 'skribe-indent 'skribe-indent-function)
(put 'emph 'skribe-indent 'skribe-indent-function)
(put 'kbdb 'skribe-indent 'skribe-indent-function)
(put 'it 'skribe-indent 'skribe-indent-function)
(put 'tt 'skribe-indent 'skribe-indent-function)
(put 'code 'skribe-indent 'skribe-indent-function)
(put 'var 'skribe-indent 'skribe-indent-function)
(put 'smap 'skribe-indent 'skribe-indent-function)
(put 'sf 'skribe-indent 'skribe-indent-function)
(put 'sc 'skribe-indent 'skribe-indent-function)
(put 'sub 'skribe-indent 'skribe-indent-function)
(put 'sup 'skribe-indent 'skribe-indent-function)
(put 'mailto 'skribe-indent 'skribe-indent-function)
(put 'mark 'skribe-indent 'skribe-indent-function)
(put 'handle 'skribe-indent 'skribe-indent-function)
(put 'ref 'skribe-indent 'skribe-indent-function)
(put 'resolve 'skribe-indent 'skribe-indent-function)
(put 'bibliography 'skribe-indent 'skribe-indent-function)
(put 'the-bibliography 'skribe-indent 'skribe-indent-function)
(put 'make-index 'skribe-indent 'skribe-indent-function)
(put 'index 'skribe-indent 'skribe-indent-function)
(put 'the-index 'skribe-indent 'skribe-indent-function)
(put 'char 'skribe-indent 'skribe-indent-function)
(put 'symbol 'skribe-indent 'skribe-indent-function)
(put '! 'skribe-indent 'skribe-indent-function)
(put 'processor 'skribe-indent 'skribe-indent-function)
(put 'slide 'skribe-indent 'skribe-indent-function)
(put 'counter 'skribe-indent 'skribe-indent-function)

;;; Local Variables:
;;; coding: utf-8
;;; End: