;;;; source file of the GNU LilyPond music typesetter
;;;;
;;;; (c) 1998--2006 Jan Nieuwenhuizen <janneke@gnu.org>
-;;;; Han-Wen Nienhuys <hanwen@cs.uu.nl>
+;;;; Han-Wen Nienhuys <hanwen@xs4all.nl>
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; constants.
(define-public X 0)
(define-public Y 1)
(define-public DOWN -1)
(define-public CENTER 0)
-(define-safe-public DOUBLE-FLAT -4)
-(define-safe-public THREE-Q-FLAT -3)
-(define-safe-public FLAT -2)
-(define-safe-public SEMI-FLAT -1)
+(define-safe-public DOUBLE-FLAT-QTS -4)
+(define-safe-public THREE-Q-FLAT-QTS -3)
+(define-safe-public FLAT-QTS -2)
+(define-safe-public SEMI-FLAT-QTS -1)
+(define-safe-public NATURAL-QTS 0)
+(define-safe-public SEMI-SHARP-QTS 1)
+(define-safe-public SHARP-QTS 2)
+(define-safe-public THREE-Q-SHARP-QTS 3)
+(define-safe-public DOUBLE-SHARP-QTS 4)
+(define-safe-public SEMI-TONE-QTS 2)
+
+(define-safe-public DOUBLE-FLAT -1)
+(define-safe-public THREE-Q-FLAT -3/4)
+(define-safe-public FLAT -1/2)
+(define-safe-public SEMI-FLAT -1/4)
(define-safe-public NATURAL 0)
-(define-safe-public SEMI-SHARP 1)
-(define-safe-public SHARP 2)
-(define-safe-public THREE-Q-SHARP 3)
-(define-safe-public DOUBLE-SHARP 4)
-(define-safe-public SEMI-TONE 2)
+(define-safe-public SEMI-SHARP 1/4)
+(define-safe-public SHARP 1/2)
+(define-safe-public THREE-Q-SHARP 3/4)
+(define-safe-public DOUBLE-SHARP 1)
+(define-safe-public SEMI-TONE 1/2)
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; moments
(define-public ZERO-MOMENT (ly:make-moment 0 1))
(define-public (moment-min a b)
(if (ly:moment<? a b) a b))
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; arithmetic
(define-public (average x . lst)
(/ (+ x (apply + lst)) (1+ (length lst))))
(define-public default-script-alist '())
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; parser <-> output hooks.
+
;; parser stuff.
(define-public (print-music-as-book parser music)
(let* ((head (ly:parser-lookup parser '$defaultheader))
parser 'toplevel-scores
(cons score (ly:parser-lookup parser 'toplevel-scores))))
-
(define-public (scorify-music music parser)
(for-each (lambda (func)
(define-public (print-score-with-defaults parser score)
(let*
((paper (ly:parser-lookup parser '$defaultpaper))
- (layout (ly:parser-lookup parser '$defaultlayout))
- (header (ly:parser-lookup parser '$defaultheader))
(count (ly:parser-lookup parser 'output-count))
(base (ly:parser-output-name parser)))
(set! base (format #f "~a-~a" base count)))
(ly:parser-define! parser 'output-count (1+ count))
- (ly:score-process score header paper layout base)
- ))
+
+ (if (not (ly:score-error? score))
+ (let*
+ ((header (ly:score-header score))
+ (output-defs (ly:score-output-defs score))
+ (layout-defs (filter (lambda (d) (eq? #t (ly:output-def-lookup d 'is-layout)))
+ output-defs))
+ (midi-defs (filter (lambda (d) (eq? #t (ly:output-def-lookup d 'is-midi)))
+ output-defs))
+ (music (ly:score-music score))
+ (layout-def (if (null? layout-defs)
+ (ly:parser-lookup parser '$defaultlayout)
+ (car layout-defs))))
+
+ (if (not (module? header))
+ (set! header (ly:parser-lookup parser '$defaultheader)))
+
+ (ly:render-music-as-systems
+ music layout-def paper header base)
+
+ (if (pair? midi-defs)
+ (ly:performance-write (ly:format-output (ly:run-translator music (car midi-defs)))
+ (format #f "~a.midi" base)
+ ))
+
+ ))))
+
+
+
;;;;;;;;;;;;;;;;
;; alist
+
(define-public assoc-get ly:assoc-get)
(define-public (uniqued-alist alist acc)
;;;;;;;;;;;;;;;;
;; vector
+
(define-public (vector-for-each proc vec)
(do
((i 0 (1+ i)))
m))
;;;;;;;;;;;;;;;;
-; list
+;; list
+
+(define (functional-or . rest)
+ (if (pair? rest)
+ (or (car rest)
+ (apply functional-and (cdr rest)))
+ #f))
+
+(define (functional-and . rest)
+ (if (pair? rest)
+ (and (car rest)
+ (apply functional-and (cdr rest)))
+ #t))
+
+(define (split-list lst n)
+ "Split LST in N equal sized parts"
+
+ (define (helper todo acc-vector k)
+ (if (null? todo)
+ acc-vector
+ (begin
+ (if (< k 0)
+ (set! k (+ n k)))
+
+ (vector-set! acc-vector k (cons (car todo) (vector-ref acc-vector k)))
+ (helper (cdr todo) acc-vector (1- k)))))
+
+ (helper lst (make-vector n '()) (1- n)))
+
+(define (list-element-index lst x)
+ (define (helper todo k)
+ (cond
+ ((null? todo) #f)
+ ((equal? (car todo) x) k)
+ (else
+ (helper (cdr todo) (1+ k)))))
+
+ (helper lst 0))
+
+(define-public (count-list lst)
+ "Given lst (E1 E2 .. ) return ((E1 . 1) (E2 . 2) ... ) "
+
+ (define (helper l acc count)
+ (if (pair? l)
+ (helper (cdr l) (cons (cons (car l) count) acc) (1+ count))
+ acc))
+
+
+ (reverse (helper lst '() 1)))
+
+(define-public (list-join lst intermediate)
+ "put INTERMEDIATE between all elts of LST."
+
+ (fold-right
+ (lambda (elem prev)
+ (if (pair? prev)
+ (cons elem (cons intermediate prev))
+ (list elem)))
+ '() lst))
+
+(define-public (filtered-map proc lst)
+ (filter
+ (lambda (x) x)
+ (map proc lst)))
+
(define (flatten-list lst)
"Unnest LST"
"Return list of elements in A that are not in B."
(lset-difference eq? a b))
-;; TODO: use the srfi-1 partition function.
(define-public (uniq-list lst)
-
"Uniq LST, assuming that it is sorted"
- (define (helper acc lst)
- (if (null? lst)
- acc
- (if (null? (cdr lst))
- (cons (car lst) acc)
- (if (equal? (car lst) (cadr lst))
- (helper acc (cdr lst))
- (helper (cons (car lst) acc) (cdr lst))))))
- (reverse! (helper '() lst) '()))
+
+ (reverse!
+ (fold (lambda (x acc)
+ (if (null? acc)
+ (list x)
+ (if (eq? x (car acc))
+ acc
+ (cons x acc))))
+ '() lst) '()))
(define (split-at-predicate predicate lst)
"Split LST = (a_1 a_2 ... a_k b_1 ... b_k)
L1 is copied, L2 not.
(split-at-predicate (lambda (x y) (= (- y x) 2)) '(1 3 5 9 11) (cons '() '()))"
+
;; " Emacs is broken
(define (inner-split predicate lst acc)
(set-car! c (reverse! (car c)))
c))
-(define-public (split-list lst sep?)
- "(display (split-list '(a b c / d e f / g) (lambda (x) (equal? x '/))))
+(define-public (split-list-by-separator lst sep?)
+ "(display (split-list-by-separator '(a b c / d e f / g) (lambda (x) (equal? x '/))))
=>
((a b c) (d e f) (g))
"
(if (null? lst)
'()
(let* ((c (split-one sep? lst '())))
- (cons (reverse! (car c) '()) (split-list (cdr c) sep?)))))
+ (cons (reverse! (car c) '()) (split-list-by-separator (cdr c) sep?)))))
(define-public (offset-add a b)
(cons (+ (car a) (car b))
;;
+(define-public (string-encode-integer i)
+ (cond
+ ((= i 0) "o")
+ ((< i 0) (string-append "n" (string-encode-integer (- i))))
+ (else (string-append
+ (make-string 1 (integer->char (+ 65 (modulo i 26))))
+ (string-encode-integer (quotient i 26))))))
(define-public (ly:numbers->string lst)
(string-join (map ly:number->string lst) " "))
(define-public (car< a b) (< (car a) (car b)))
-
(define-public (symbol<? lst r)
(string<? (symbol->string lst) (symbol->string r)))
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