]> git.donarmstrong.com Git - lilypond.git/blobdiff - scm/music-functions.scm
Issue 3563: Allow define-*-function to accept currying definitions
[lilypond.git] / scm / music-functions.scm
index eed6f7cd0a4a4c4a0cf04e2ec20e7f83b717ff68..fb29e73cd2d4cc79d752c1606e77654fce4584d3 100644 (file)
@@ -503,6 +503,28 @@ in @var{grob}."
     TupletBracket
     TrillSpanner))
 
+(define general-grace-settings
+  `((Voice Stem font-size -3)
+    (Voice Flag font-size -3)
+    (Voice NoteHead font-size -3)
+    (Voice TabNoteHead font-size -4)
+    (Voice Dots font-size -3)
+    (Voice Stem length-fraction 0.8)
+    (Voice Stem no-stem-extend #t)
+    (Voice Beam beam-thickness 0.384)
+    (Voice Beam length-fraction 0.8)
+    (Voice Accidental font-size -4)
+    (Voice AccidentalCautionary font-size -4)
+    (Voice Script font-size -3)
+    (Voice Fingering font-size -8)
+    (Voice StringNumber font-size -8)))
+
+(define-public score-grace-settings
+  (append
+    `((Voice Stem direction ,UP)
+      (Voice Slur direction ,DOWN))
+    general-grace-settings))
+
 (define-safe-public (make-voice-props-set n)
   (make-sequential-music
    (append
@@ -510,26 +532,9 @@ in @var{grob}."
                                              (if (odd? n) -1 1)))
          direction-polyphonic-grobs)
     (list
-     (make-property-set 'graceSettings
-                        ;; TODO: take this from voicedGraceSettings or similar.
-                        '((Voice Stem font-size -3)
-                          (Voice Flag font-size -3)
-                          (Voice NoteHead font-size -3)
-                          (Voice TabNoteHead font-size -4)
-                          (Voice Dots font-size -3)
-                          (Voice Stem length-fraction 0.8)
-                          (Voice Stem no-stem-extend #t)
-                          (Voice Beam beam-thickness 0.384)
-                          (Voice Beam length-fraction 0.8)
-                          (Voice Accidental font-size -4)
-                          (Voice AccidentalCautionary font-size -4)
-                          (Voice Script font-size -3)
-                          (Voice Fingering font-size -8)
-                          (Voice StringNumber font-size -8)))
-
+     (make-property-set 'graceSettings general-grace-settings)
      (make-grob-property-set 'NoteColumn 'horizontal-shift (quotient n 2))))))
 
-
 (define-safe-public (make-voice-props-override n)
   (make-sequential-music
    (append
@@ -537,25 +542,8 @@ in @var{grob}."
                                                   (if (odd? n) -1 1)))
          direction-polyphonic-grobs)
     (list
-     (make-property-set 'graceSettings
-                        ;; TODO: take this from voicedGraceSettings or similar.
-                        '((Voice Stem font-size -3)
-                          (Voice Flag font-size -3)
-                          (Voice NoteHead font-size -3)
-                          (Voice TabNoteHead font-size -4)
-                          (Voice Dots font-size -3)
-                          (Voice Stem length-fraction 0.8)
-                          (Voice Stem no-stem-extend #t)
-                          (Voice Beam beam-thickness 0.384)
-                          (Voice Beam length-fraction 0.8)
-                          (Voice Accidental font-size -4)
-                          (Voice AccidentalCautionary font-size -4)
-                          (Voice Script font-size -3)
-                          (Voice Fingering font-size -8)
-                          (Voice StringNumber font-size -8)))
-
-     (make-grob-property-override 'NoteColumn 'horizontal-shift (quotient n 2))
-     (make-grob-property-override 'MultiMeasureRest 'staff-position (if (odd? n) -4 4))))))
+     (make-property-set 'graceSettings general-grace-settings)
+     (make-grob-property-override 'NoteColumn 'horizontal-shift (quotient n 2))))))
 
 (define-safe-public (make-voice-props-revert)
   (make-sequential-music
@@ -563,8 +551,7 @@ in @var{grob}."
     (map (lambda (x) (make-grob-property-revert x 'direction))
          direction-polyphonic-grobs)
     (list (make-property-unset 'graceSettings)
-          (make-grob-property-revert 'NoteColumn 'horizontal-shift)
-          (make-grob-property-revert 'MultiMeasureRest 'staff-position)))))
+          (make-grob-property-revert 'NoteColumn 'horizontal-shift)))))
 
 
 (define-safe-public (context-spec-music m context #:optional id)
@@ -879,17 +866,23 @@ actually fully cloned."
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ;; warn for bare chords at start.
 
-(define-public (ly:music-message music msg)
+(define-public (ly:music-message music msg . rest)
   (let ((ip (ly:music-property music 'origin)))
     (if (ly:input-location? ip)
-        (ly:input-message ip msg)
-        (ly:message msg))))
+        (apply ly:input-message ip msg rest)
+        (apply ly:message msg rest))))
 
-(define-public (ly:music-warning music msg)
+(define-public (ly:music-warning music msg . rest)
   (let ((ip (ly:music-property music 'origin)))
     (if (ly:input-location? ip)
-        (ly:input-warning ip msg)
-        (ly:warning msg))))
+        (apply ly:input-warning ip msg rest)
+        (apply ly:warning msg rest))))
+
+(define-public (ly:event-warning event msg . rest)
+  (let ((ip (ly:event-property event 'origin)))
+    (if (ly:input-location? ip)
+        (apply ly:input-warning ip msg rest)
+        (apply ly:warning msg rest))))
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ;;
@@ -920,12 +913,12 @@ actually fully cloned."
 (define-public (add-grace-property context-name grob sym val)
   "Set @var{sym}=@var{val} for @var{grob} in @var{context-name}."
   (define (set-prop context)
-    (let* ((where (ly:context-property-where-defined context 'graceSettings))
+    (let* ((where (or (ly:context-find context context-name) context))
            (current (ly:context-property where 'graceSettings))
            (new-settings (append current
                                  (list (list context-name grob sym val)))))
       (ly:context-set-property! where 'graceSettings new-settings)))
-  (context-spec-music (make-apply-context set-prop) 'Voice))
+  (make-apply-context set-prop))
 
 (define-public (remove-grace-property context-name grob sym)
   "Remove all @var{sym} for @var{grob} in @var{context-name}."
@@ -934,7 +927,7 @@ actually fully cloned."
          (eq? (cadr property) grob)
          (eq? (caddr property) sym)))
   (define (delete-prop context)
-    (let* ((where (ly:context-property-where-defined context 'graceSettings))
+    (let* ((where (or (ly:context-find context context-name) context))
            (current (ly:context-property where 'graceSettings))
            (prop-settings (filter
                            (lambda(x) (sym-grob-context? x sym grob context-name))
@@ -944,8 +937,7 @@ actually fully cloned."
                   (set! new-settings (delete x new-settings)))
                 prop-settings)
       (ly:context-set-property! where 'graceSettings new-settings)))
-  (context-spec-music (make-apply-context delete-prop) 'Voice))
-
+  (make-apply-context delete-prop))
 
 
 (defmacro-public def-grace-function (start stop . docstring)
@@ -981,24 +973,37 @@ predicates require the parameter to be entered as Scheme expression.
 predicates, to be used in case of a type error in arguments or
 result."
 
+  (define (currying-lambda args doc-string? body)
+    (if (and (pair? args)
+             (pair? (car args)))
+        (currying-lambda (car args) doc-string?
+                         `((lambda ,(cdr args) ,@body)))
+        (if doc-string?
+            `(lambda ,args ,doc-string? ,@body)
+            `(lambda ,args ,@body))))
+
   (set! signature (map (lambda (pred)
                          (if (pair? pred)
                              `(cons ,(car pred)
                                     ,(and (pair? (cdr pred)) (cadr pred)))
                              pred))
                        (cons type signature)))
-  (if (and (pair? body) (pair? (car body)) (eqv? '_i (caar body)))
-      ;; When the music function definition contains a i10n doc string,
-      ;; (_i "doc string"), keep the literal string only
-      (let ((docstring (cadar body))
-            (body (cdr body)))
-        `(ly:make-music-function (list ,@signature)
-                                 (lambda ,args
-                                   ,docstring
-                                   ,@body)))
-      `(ly:make-music-function (list ,@signature)
-                               (lambda ,args
-                                 ,@body))))
+
+  (let ((docstring
+         (and (pair? body) (pair? (cdr body))
+              (if (string? (car body))
+                  (car body)
+                  (and (pair? (car body))
+                       (eq? '_i (caar body))
+                       (pair? (cdar body))
+                       (string? (cadar body))
+                       (null? (cddar body))
+                       (cadar body))))))
+    ;; When the music function definition contains an i10n doc string,
+    ;; (_i "doc string"), keep the literal string only
+    `(ly:make-music-function
+      (list ,@signature)
+      ,(currying-lambda args docstring (if docstring (cdr body) body)))))
 
 (defmacro-public define-music-function rest
   "Defining macro returning music functions.
@@ -1089,6 +1094,8 @@ set to the @code{location} parameter."
              (clef (ly:music-property quote-music 'quoted-music-clef #f))
              (main-voice (case dir ((1) 1) ((-1) 0) (else #f)))
              (cue-voice (and main-voice (- 1 main-voice)))
+             (cue-type (ly:music-property quote-music 'quoted-context-type #f))
+             (cue-id (ly:music-property quote-music 'quoted-context-id))
              (main-music (ly:music-property quote-music 'element))
              (return-value quote-music))
 
@@ -1110,17 +1117,15 @@ set to the @code{location} parameter."
          (delq! #f
                 (list
                  (and clef (make-cue-clef-set clef))
-
-                 ;; Need to establish CueVoice context even in #CENTER case
-                 (context-spec-music
-                  (if cue-voice
-                      (make-voice-props-override cue-voice)
-                      (make-music 'Music))
-                  'CueVoice "cue")
+                 (and cue-type cue-voice
+                      (context-spec-music
+                       (make-voice-props-override cue-voice)
+                       cue-type cue-id))
                  quote-music
-                 (and cue-voice
+                 (and cue-type cue-voice
                       (context-spec-music
-                       (make-voice-props-revert) 'CueVoice "cue"))
+                       (make-voice-props-revert)
+                       cue-type cue-id))
                  (and clef (make-cue-clef-unset))))))
       quote-music))