;;;; This file is part of LilyPond, the GNU music typesetter.
;;;;
-;;;; Copyright (C) 2005--2011 Erik Sandberg <mandolaerik@gmail.com>
+;;;; Copyright (C) 2005--2012 Erik Sandberg <mandolaerik@gmail.com>
;;;;
;;;; LilyPond is free software: you can redistribute it and/or modify
;;;; it under the terms of the GNU General Public License as published by
(RemoveContext ChangeParent Override Revert UnsetProperty
SetProperty music-event OldMusicEvent CreateContext Prepare
OneTimeStep Finish))
- (music-event . (annotate-output-event
+ (music-event . (annotate-output-event footnote-event
arpeggio-event breathing-event extender-event span-event
rhythmic-event dynamic-event break-event label-event percent-event
key-change-event string-number-event stroke-finger-event tie-event
part-combine-event part-combine-force-event
- beam-forbid-event script-event
+ beam-forbid-event script-event tempo-change-event
tremolo-event bend-after-event fingering-event glissando-event
harmonic-event hyphen-event laissez-vibrer-event mark-event
multi-measure-text-event note-grouping-event
pes-or-flexa-event repeat-tie-event spacing-section-event
- layout-instruction-event completize-extender-event break-span-event))
+ layout-instruction-event completize-extender-event break-span-event
+ alternative-event))
(layout-instruction-event . (apply-output-event))
(script-event . (articulation-event text-script-event))
(break-span-event . (break-dynamic-span-event))
(pedal-event . (sostenuto-event sustain-event una-corda-event))
(rhythmic-event . (lyric-event melodic-event multi-measure-rest-event
- percent-event
- rest-event skip-event bass-figure-event))
+ double-percent-event percent-event
+ repeat-slash-event rest-event
+ skip-event bass-figure-event))
(melodic-event . (cluster-note-event note-event))
(() . (Announcement))
(Announcement . (AnnounceNewContext))
))
-;; Maps event-class to a list of ancestors (inclusive)
-(define ancestor-lookup (make-hash-table 11))
+(define-public (event-class-cons class parent classlist)
+ (let ((lineage (assq parent classlist)))
+ (if (not lineage)
+ (begin
+ (if (not (null? parent))
+ (ly:warning (_ "unknown parent class `~a'") parent))
+ (set! lineage '())))
+ (if (symbol? class)
+ (acons class lineage classlist)
+ (fold (lambda (elt alist)
+ (acons elt lineage alist))
+ classlist class))))
;; Each class will be defined as
;; (class parent grandparent .. )
;; so that (eq? (cdr class) parent) holds.
-(for-each
- (lambda (rel)
- (for-each
- (lambda (type)
- (hashq-set! ancestor-lookup type
- (cons type (hashq-ref ancestor-lookup (car rel) '()))))
- (cdr rel)))
- event-classes)
-
-(define-public (define-event-class leaf heritage)
- (cond
- ((not (eq? leaf (car heritage)))
- (ly:warning (_ "All classes must be the last in their matrilineal line.")))
- ((not (equal? (cdr heritage)
- (list-head (hashq-ref ancestor-lookup (cadr heritage) '())
- (length (cdr heritage)))))
- (ly:warning (_ "All classes must have a well-defined pedigree in the existing class hierarchy.")))
- (else (hashq-set! ancestor-lookup
- leaf
- (cons leaf
- (hashq-ref ancestor-lookup
- (cadr heritage)
- '()))))))
-
-;; TODO: Allow entering more complex classes, by taking unions.
-(define-public (ly:make-event-class leaf)
- (hashq-ref ancestor-lookup leaf))
(define-public (ly:in-event-class? ev cl)
"Does event @var{ev} belong to event class @var{cl}?"
- (memq cl (ly:make-event-class (ly:event-property ev 'class))))
+ (memq cl (ly:event-property ev 'class)))
+
+(define-public all-event-classes
+ (fold (lambda (elt classlist)
+ (event-class-cons (cdr elt) (car elt) classlist))
+ '() event-classes))
;; does this exist in guile already?
(define (map-tree f t)
(cons root (map expand-event-tree (cdr children)))
root)))
-;; All leaf event classes that no translator listens to
-;; directly. Avoids printing a warning.
-(define unlistened-music-event-classes
- '(harmonic-event line-break-event page-break-event page-turn-event label-event
- solo-one-event solo-two-event skip-event unisono-event
- part-combine-force-event break-dynamic-span-event))
-
;; produce neater representation of music event tree.
;; TODO: switch to this representation for the event-classes list?
(define music-event-tree (expand-event-tree 'music-event))
;;(use-modules (ice-9 pretty-print))
;;(pretty-print (cons (car music-event-tree) (sort-tree (cdr music-event-tree))))
-;; check that the music event tree corresponds well with the set of
-;; available translators; print warnings otherwise.
-(map-tree (lambda (sym)
- (if (and (symbol? sym)
- (not (ly:is-listened-event-class sym))
- (not (assq sym event-classes))
- (not (memq sym unlistened-music-event-classes)))
- (ly:programming-error (_ "event class ~A seems to be unused") sym)))
- music-event-tree)
-
-(map (lambda (sym)
- (if (not (pair? (ly:make-event-class sym)))
- ;; should be programming-error
- (ly:error (_ "translator listens to nonexisting event class ~A") sym)))
- (ly:get-listened-event-classes))
-
(defmacro-public make-stream-event (expr)
(Stream_event::undump (primitive-eval (list 'quasiquote expr))))