;;;; This file is part of LilyPond, the GNU music typesetter.
;;;;
-;;;; Copyright (C) 2004--2011 Han-Wen Nienhuys <hanwen@xs4all.nl>
+;;;; Copyright (C) 2004--2012 Han-Wen Nienhuys <hanwen@xs4all.nl>
;;;;
;;;; LilyPond is free software: you can redistribute it and/or modify
;;;; it under the terms of the GNU General Public License as published by
(define (active<? a b)
(cond ((symbol<? (car a) (car b)) #t)
- ((symbol<? (car b) (car b)) #f)
+ ((symbol<? (car b) (car a)) #f)
(else (< (cdr a) (cdr b)))))
(define (analyse-span-event active ev)
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(define-public (recording-group-emulate music odef)
- "Interprets music according to odef, but stores all events in a chronological
-list, similar to the Recording_group_engraver in 2.8 and earlier"
+ "Interpret @var{music} according to @var{odef}, but store all events
+in a chronological list, similar to the @code{Recording_group_engraver} in
+LilyPond version 2.8 and earlier."
(let*
((context-list '())
(now-mom (ly:make-moment 0 0))
(ly:interpret-music-expression (make-non-relative-music music) global)
context-list))
-(define-public (make-part-combine-music parser music-list)
+(define-public (make-part-combine-music parser music-list direction)
(let* ((m (make-music 'PartCombineMusic))
(m1 (make-non-relative-music (context-spec-music (first music-list) 'Voice "one")))
(m2 (make-non-relative-music (context-spec-music (second music-list) 'Voice "two")))
(evs1 (recording-group-emulate m1 listener)))
(set! (ly:music-property m 'elements) (list m1 m2))
+ (set! (ly:music-property m 'direction) direction)
(set! (ly:music-property m 'split-list)
(if (and (assoc "one" evs1) (assoc "two" evs2))
(determine-split-list (reverse! (assoc-get "one" evs1) '())
m))
(define-public (determine-split-list evl1 evl2)
- "EVL1 and EVL2 should be ascending"
+ "@var{evl1} and @var{evl2} should be ascending."
(let* ((pc-debug #f)
(chord-threshold 8)
(voice-state-vec1 (make-voice-states evl1))
(previous-voice-state vs)))
(define (try-solo type start-idx current-idx)
- "Find a maximum stretch that can be marked as solo. Only set
+ "Find a maximum stretch that can be marked as solo. Only set
the mark when there are no spanners active.
return next idx to analyse.
start-idx))
(define (analyse-moment result-idx)
- "Analyse 'apart starting at RESULT-IDX. Return next index. "
+ "Analyse 'apart starting at RESULT-IDX. Return next index."
(let* ((now-state (vector-ref result result-idx))
(vs1 (current-voice-state now-state 1))
(vs2 (current-voice-state now-state 2))
(define-public (add-quotable parser name mus)
(let* ((tab (eval 'musicQuotes (current-module)))
- (context-list (recording-group-emulate (context-spec-music mus 'Voice)
- (ly:parser-lookup parser 'partCombineListener))))
- (if (pair? context-list)
- (hash-set! tab name
- ;; cdr : skip name string
- (list->vector (reverse! (cdar context-list)
- '()))))))
+ (voicename (get-next-unique-voice-name))
+ ;; recording-group-emulate returns an assoc list (reversed!), so
+ ;; hand it a proper unique context name and extract that key:
+ (ctx-spec (context-spec-music mus 'Voice voicename))
+ (listener (ly:parser-lookup parser 'partCombineListener))
+ (context-list (reverse (recording-group-emulate ctx-spec listener)))
+ (raw-voice (assoc voicename context-list))
+ (quote-contents (if (pair? raw-voice) (cdr raw-voice) '())))
+
+ ;; If the context-specced quoted music does not contain anything, try to
+ ;; use the first child, i.e. the next in context-list after voicename
+ ;; That's the case e.g. for \addQuote "x" \relative c \new Voice {...}
+ (if (null? quote-contents)
+ (let find-non-empty ((current-tail (member raw-voice context-list)))
+ ;; if voice has contents, use them, otherwise check next ctx
+ (cond ((null? current-tail) #f)
+ ((and (pair? (car current-tail))
+ (pair? (cdar current-tail)))
+ (set! quote-contents (cdar current-tail)))
+ (else (find-non-empty (cdr current-tail))))))
+
+ (if (not (null? quote-contents))
+ (hash-set! tab name (list->vector (reverse! quote-contents '())))
+ (ly:music-warning mus (ly:format (_ "quoted music `~a' is empty") name)))))