1 ;;;; lily.scm -- toplevel Scheme stuff
3 ;;;; source file of the GNU LilyPond music typesetter
5 ;;;; (c) 1998--2006 Jan Nieuwenhuizen <janneke@gnu.org>
6 ;;;; Han-Wen Nienhuys <hanwen@cs.uu.nl>
9 (define (define-scheme-options)
11 (ly:add-option (car x) (cadr x) (caddr x)))
13 `((point-and-click #t "use point & click")
14 (paper-size "a4" "the default paper size")
15 (midi-debug #f "generate human readable MIDI")
16 (internal-type-checking #f "check every property assignment for types")
17 (parse-protect #t "continue when finding errors in inline
18 scheme are caught in the parser. If off, halt
19 on errors, and print a stack trace.")
20 (profile-property-accesses #f "keep statistics of get_property() calls.")
22 "relative for simultaneous music works
23 similar to chord syntax")
25 "experimental mechanism for remembering tweaks")
26 (resolution 101 "resolution for generating bitmaps")
27 (anti-alias-factor 1 "render at higher resolution and scale down result\nto prevent jaggies in PNG")
28 (book-title-preview #t "include book-titles in preview images.")
29 (eps-font-include #f "Include fonts in separate-system EPS files.")
31 "load fonts via Ghostscript.")
32 (gui #f "running from gui; redirect stderr to log file")
33 (delete-intermediate-files #f
34 "delete unusable PostScript files")
35 (safe #f "Run safely")
36 (verbose ,(ly:command-line-verbose?) "value for the --verbose flag")
37 (strict-infinity-checking #f "If yes, crash on encountering Inf/NaN")
39 "how much verbosity for TTF font embedding?")
41 "dump GC protection info")
42 (show-available-fonts #f
43 "List font names available.")
48 ;; need to do this in the beginning. Other parts of the
49 ;; Scheme init depend on these options.
51 (define-scheme-options)
53 (if (defined? 'set-debug-cell-accesses!)
54 (set-debug-cell-accesses! #f))
56 ;(set-debug-cell-accesses! 1000)
58 (use-modules (ice-9 regex)
68 (define-public (myd k v) (display k) (display ": ") (display v) (display ", "))
70 (define-public (print . args)
71 (apply format (cons (current-output-port) args)))
75 ;;; debugging evaluator is slower. This should
76 ;;; have a more sensible default.
78 (if (ly:get-option 'verbose)
81 (debug-enable 'backtrace)
82 (read-enable 'positions)))
84 (define-public tex-backend?
85 (member (ly:output-backend) '("texstr" "tex")))
87 (define-public parser #f)
89 (define-public (lilypond-version)
91 (map (lambda (x) (if (symbol? x)
100 ;; gettext wrapper for guile < 1.7.2
101 (if (defined? 'gettext)
102 (define-public _ gettext)
103 (define-public _ ly:gettext))
105 (define-public (ly:load x)
106 (let* ((file-name (%search-load-path x)))
107 (if (ly:get-option 'verbose)
108 (ly:progress "[~A" file-name))
110 (ly:error (_ "Can't find ~A" x)))
111 (primitive-load file-name)
112 (if (ly:get-option 'verbose)
116 ;; #(CYGWIN_NT-5.1 Hostname 1.5.12(0.116/4/2) 2004-11-10 08:34 i686)
119 ;; #(Linux hostname 2.4.27-1-686 #1 Fri Sep 3 06:28:00 UTC 2004 i686)
122 ;; #(Windows XP HOSTNAME build 2600 5.01 Service Pack 1 i686)
126 (define-public PLATFORM
129 (car (string-tokenize (vector-ref (uname) 0) char-set:letter)))))
132 (let ((platform (string-tokenize
133 (vector-ref (uname) 0) char-set:letter+digit)))
134 (if (null? (cdr platform)) #f
135 (member (string-downcase (cadr platform)) '("95" "98" "me")))))
139 (define native-getcwd getcwd)
141 (if (string-index x #\\)
143 (string-regexp-substitute
145 (string-regexp-substitute "\\\\" "/" x))))
146 ;; FIXME: this prints a warning.
147 (define-public (ly-getcwd)
148 (slashify (native-getcwd))))
149 (else (define-public ly-getcwd getcwd)))
151 (define-public (is-absolute? file-name)
152 (let ((file-name-length (string-length file-name)))
153 (if (= file-name-length 0)
155 (or (eq? (string-ref file-name 0) #\/)
156 (and (eq? PLATFORM 'windows)
157 (> file-name-length 2)
158 (eq? (string-ref file-name 1) #\:)
159 (eq? (string-ref file-name 2) #\/))))))
161 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
163 (define (type-check-list location signature arguments)
164 "Typecheck a list of arguments against a list of type
165 predicates. Print a message at LOCATION if any predicate failed."
167 (define (recursion-helper signature arguments count)
168 (define (helper pred? arg count)
169 (if (not (pred? arg))
175 #f (_ "wrong type for argument ~a. Expecting ~a, found ~s")
176 count (type-name pred?) arg))
180 (if (null? signature)
182 (and (helper (car signature) (car arguments) count)
183 (recursion-helper (cdr signature) (cdr arguments) (1+ count)))))
185 (recursion-helper signature arguments 1))
187 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
191 ;;(define-public (output-framework) (write "hello\n"))
193 (define output-tex-module
194 (make-module 1021 (list (resolve-interface '(scm output-tex)))))
195 (define output-ps-module
196 (make-module 1021 (list (resolve-interface '(scm output-ps)))))
198 (define-public (ps-output-expression expr port)
199 (display (eval expr output-ps-module) port))
201 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
202 ;; Safe definitions utility
203 (define safe-objects (list))
205 (define-macro (define-safe-public arglist . body)
206 "Define a variable, export it, and mark it as safe, ie usable in LilyPond safe mode.
207 The syntax is the same as `define*-public'."
208 (define (get-symbol arg)
210 (get-symbol (car arg))
212 (let ((safe-symbol (get-symbol arglist)))
214 (define*-public ,arglist
216 (set! safe-objects (cons (cons ',safe-symbol ,safe-symbol)
221 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
228 ; "define-event-classes.scm"
229 "define-music-types.scm"
232 "chord-ignatzek-names.scm"
234 "chord-generic-names.scm"
237 "music-functions.scm"
240 "define-music-properties.scm"
244 "parser-ly-from-scheme.scm"
246 "define-context-properties.scm"
247 "translation-functions.scm"
257 "define-markup-commands.scm"
258 "define-grob-properties.scm"
260 "define-grob-interfaces.scm"
261 "define-stencil-commands.scm"
262 "layout-page-layout.scm"
266 "backend-library.scm"
269 ;; must be after everything has been defined
273 (set! type-p-name-alist
275 (,boolean-or-symbol? . "boolean or symbol")
276 (,boolean? . "boolean")
278 (,grob-list? . "list of grobs")
279 (,hash-table? . "hash table")
280 (,input-port? . "input port")
281 (,integer? . "integer")
283 (,ly:context? . "context")
284 (,ly:dimension? . "dimension, in staff space")
285 (,ly:dir? . "direction")
286 (,ly:duration? . "duration")
287 (,ly:grob? . "layout object")
288 (,ly:input-location? . "input location")
289 (,ly:moment? . "moment")
290 (,ly:music? . "music")
291 (,ly:pitch? . "pitch")
292 (,ly:translator? . "translator")
293 (,ly:font-metric? . "font metric")
294 (,ly:simple-closure? . "simple closure")
295 (,markup-list? . "list of markups")
296 (,markup? . "markup")
297 (,ly:music-list? . "list of music")
298 (,number-or-grob? . "number or grob")
299 (,number-or-string? . "number or string")
300 (,number-pair? . "pair of numbers")
301 (,number? . "number")
302 (,output-port? . "output port")
304 (,procedure? . "procedure")
305 (,scheme? . "any type")
306 (,string? . "string")
307 (,symbol? . "symbol")
308 (,vector? . "vector")))
313 (define gc-protect-stat-count 0)
314 (define-public (dump-gc-protects)
315 (set! gc-protect-stat-count (1+ gc-protect-stat-count))
316 (let* ((protects (sort
317 (hash-table->alist (ly:protects))
319 (< (object-address (car a))
320 (object-address (car b))))))
322 (out-file-name (string-append
323 "gcstat-" (number->string gc-protect-stat-count)
325 (outfile (open-file out-file-name "w")))
327 (display (format "Dumping gc protected objs to ~a...\n" out-file-name))
335 (map object->string (list (object-address x) c x))
341 (not (symbol? (car x))))
345 ; (display (ly:smob-protects))
347 (if (defined? 'gc-live-object-stats)
349 (display "Live object statistics: GC'ing\n")
353 (set! stats (gc-live-object-stats))
354 (display "Dumping live object statistics.\n")
358 (format outfile "~a: ~a\n" (car x) (cdr x)))
359 (sort (gc-live-object-stats)
361 (string<? (car x) (car y)))))))))
363 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
366 (define-public (lilypond-main files)
367 "Entry point for LilyPond."
369 (define (no-files-handler)
373 (if (ly:get-option 'gui)
379 (let ((failed (lilypond-all files)))
382 (ly:error (_ "failed files: ~S") (string-join failed))
385 ;; HACK: be sure to exit with single newline
389 (define-public (lilypond-all files)
391 (if (ly:get-option 'show-available-fonts)
393 (ly:font-config-display-fonts)
398 (handler (lambda (key failed-file)
399 (set! failed (append (list failed-file) failed)))))
403 (lilypond-file handler x)
404 (ly:clear-anonymous-modules)
405 (if (ly:get-option 'debug-gc)
411 (define (lilypond-file handler file-name)
412 (catch 'ly-file-failed
413 (lambda () (ly:parse-file file-name))
414 (lambda (x . args) (handler x file-name))))
416 (use-modules (scm editor))
418 (define-public (gui-main files)
420 (gui-no-files-handler))
421 (let* ((base (basename (car files) ".ly"))
422 (log-name (string-append base ".log")))
423 (if (not (ly:get-option 'gui))
424 (ly:message (_ "Redirecting output to ~a...") log-name))
425 (ly:stderr-redirect log-name "w")
426 (ly:message "# -*-compilation-*-")
428 (let ((failed (lilypond-all files)))
432 (ly:stderr-redirect "foo" "r")
433 (system (get-editor-command log-name 0 0 0))
434 (ly:error (_ "failed files: ~S") (string-join failed))
439 (define (gui-no-files-handler)
440 (let* ((ly (string-append (ly:effective-prefix) "/ly/"))
441 ;; FIXME: soft-code, localize
442 (welcome-ly (string-append ly "Welcome_to_LilyPond.ly"))
443 (cmd (get-editor-command welcome-ly 0 0 0)))
444 (ly:message (_ "Invoking `~a'...") cmd)