;;;; This file is part of LilyPond, the GNU music typesetter.
;;;;
-;;;; Copyright (C) 1998--2011 Jan Nieuwenhuizen <janneke@gnu.org>
+;;;; Copyright (C) 1998--2012 Jan Nieuwenhuizen <janneke@gnu.org>
;;;; Han-Wen Nienhuys <hanwen@xs4all.nl>
;;;;
;;;; LilyPond is free software: you can redistribute it and/or modify
;;;; You should have received a copy of the GNU General Public License
;;;; along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
-;; (use-modules (ice-9 optargs))
+; for define-safe-public when byte-compiling using Guile V2
+(use-modules (scm safe-utility-defs))
+
+(use-modules (ice-9 optargs))
;;; ly:music-property with setter
;;; (ly:music-property my-music 'elements)
(inner-music-filter pred? e)
e))
(filtered-es (filter ly:music? (map (lambda (y) (inner-music-filter pred? y)) es))))
- (set! (ly:music-property music 'element) filtered-e)
- (set! (ly:music-property music 'elements) filtered-es)
- (set! (ly:music-property music 'articulations) filtered-as)
+ (if (not (null? e))
+ (set! (ly:music-property music 'element) filtered-e))
+ (if (not (null? es))
+ (set! (ly:music-property music 'elements) filtered-es))
+ (if (not (null? as))
+ (set! (ly:music-property music 'articulations) filtered-as))
;; if filtering emptied the expression, we remove it completely.
(if (or (not (pred? music))
(and (eq? filtered-es '()) (not (ly:music? e))
music
(make-music 'Music))) ;must return music.
-(define-public (display-music music)
+(define*-public (display-music music #:optional (port (current-output-port)))
"Display music, not done with @code{music-map} for clarity of
presentation."
-
- (display music)
- (display ": { ")
+ (display music port)
+ (display ": { " port)
(let ((es (ly:music-property music 'elements))
(e (ly:music-property music 'element)))
- (display (ly:music-mutable-properties music))
+ (display (ly:music-mutable-properties music) port)
(if (pair? es)
- (begin (display "\nElements: {\n")
- (map display-music es)
- (display "}\n")))
+ (begin (display "\nElements: {\n" port)
+ (for-each (lambda (m) (display-music m port)) es)
+ (display "}\n" port)))
(if (ly:music? e)
(begin
- (display "\nChild:")
- (display-music e))))
- (display " }\n")
+ (display "\nChild:" port)
+ (display-music e port))))
+ (display " }\n" port)
music)
;;;
(use-modules (ice-9 pretty-print))
(define*-public (display-scheme-music obj #:optional (port (current-output-port)))
"Displays `obj', typically a music expression, in a friendly fashion,
-which often can be read back in order to generate an equivalent expression.
-
-Returns `obj'.
-"
+which often can be read back in order to generate an equivalent expression."
(pretty-print (music->make-music obj) port)
- (newline)
- obj)
+ (newline port))
;;;
;;; Scheme music expression --> Lily-syntax-using string translator
(use-modules (srfi srfi-39)
(scm display-lily))
-(define*-public (display-lily-music expr parser #:key force-duration)
+(define*-public (display-lily-music expr parser #:optional (port (current-output-port))
+ #:key force-duration)
"Display the music expression using LilyPond syntax"
(memoize-clef-names supported-clefs)
(parameterize ((*indent* 0)
(*previous-duration* (ly:make-duration 2))
(*force-duration* force-duration))
- (display (music->lily-string expr parser))
- (newline)))
+ (display (music->lily-string expr parser) port)
+ (newline port)))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(define-public (shift-one-duration-log music shift dot)
"Add @var{shift} to @code{duration-log} of @code{'duration} in
-@var{music} and optionally @var{dot} to any note encountered. This
-scales the music up by a factor `2^@var{shift} * (2 - (1/2)^@var{dot})'."
+@var{music} and optionally @var{dot} to any note encountered.
+The number of dots in the shifted music may not be less than zero."
(let ((d (ly:music-property music 'duration)))
(if (ly:duration? d)
(let* ((cp (ly:duration-factor d))
- (nd (ly:make-duration (+ shift (ly:duration-log d))
- (+ dot (ly:duration-dot-count d))
- (car cp)
- (cdr cp))))
+ (nd (ly:make-duration
+ (+ shift (ly:duration-log d))
+ (max 0 (+ dot (ly:duration-dot-count d)))
+ (car cp)
+ (cdr cp))))
(set! (ly:music-property music 'duration) nd)))
music))
(make-music 'PropertyUnset
'symbol sym))
-;;; Need to keep this definition for \time calls from parser
-(define-public (make-time-signature-set num den)
- "Set properties for time signature @var{num}/@var{den}."
- (make-music 'TimeSignatureMusic
- 'numerator num
- 'denominator den
- 'beat-structure '()))
-
-;;; Used for calls that include beat-grouping setting
-(define-public (set-time-signature num den . rest)
- "Set properties for time signature @var{num}/@var{den}.
-If @var{rest} is present, it is used to set @code{beatStructure}."
- (ly:export
- (make-music 'TimeSignatureMusic
- 'numerator num
- 'denominator den
- 'beat-structure (if (null? rest) rest (car rest)))))
-
(define-safe-public (make-articulation name)
(make-music 'ArticulationEvent
'articulation-type name))
m))
(define-public (empty-music)
- (ly:export (make-music 'Music)))
+ (make-music 'Music))
;; Make a function that checks score element for being of a specific type.
(define-public (make-type-checker symbol)
(new-settings (append current
(list (list context-name grob sym val)))))
(ly:context-set-property! where 'graceSettings new-settings)))
- (ly:export (context-spec-music (make-apply-context set-prop) 'Voice)))
+ (context-spec-music (make-apply-context set-prop) 'Voice))
(define-public (remove-grace-property context-name grob sym)
"Remove all @var{sym} for @var{grob} in @var{context-name}."
(set! new-settings (delete x new-settings)))
prop-settings)
(ly:context-set-property! where 'graceSettings new-settings)))
- (ly:export (context-spec-music (make-apply-context delete-prop) 'Voice)))
+ (context-spec-music (make-apply-context delete-prop) 'Voice))
value return). Use this when defining functions for executing actions
rather than returning values, to keep Lilypond from trying to interpret
the return value."
- `(define-syntax-function void? ,@rest #f (begin)))
+ `(define-syntax-function (void? *unspecified*) ,@rest *unspecified*))
(defmacro-public define-event-function rest
"Defining macro returning event functions.
(car rest) 'Staff))
(pcontext (if (pair? rest)
(car rest) 'GrandStaff)))
- (ly:export
- (cond
+ (cond
;; accidentals as they were common in the 18th century.
((equal? style 'default)
(set-accidentals-properties #t
context))
(else
(ly:warning (_ "unknown accidental style: ~S") style)
- (make-sequential-music '()))))))
+ (make-sequential-music '())))))
(define-public (invalidate-alterations context)
"Invalidate alterations in @var{context}.
entry
(cons (car entry) (cons 'clef (cddr entry))))))
(ly:context-property context 'localKeySignature)))))
-
+
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(define-public (skip-of-length mus)
projects / lilypond.git / blobdiff