(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))))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
-;; lily specific variables.
-
-(define-public default-script-alist '())
-
+;; parser <-> output hooks.
-;; parser stuff.
-(define-public (print-music-as-book parser music)
- (let* ((head (ly:parser-lookup parser '$defaultheader))
- (book (ly:make-book (ly:parser-lookup parser '$defaultpaper)
- head (scorify-music music parser))))
- (print-book-with-defaults parser book)))
-
-(define-public (print-score-as-book parser score)
- (let* ((head (ly:parser-lookup parser '$defaultheader))
- (book (ly:make-book (ly:parser-lookup parser '$defaultpaper)
- head score)))
- (print-book-with-defaults parser book)))
-
-(define-public (print-score parser score)
- (let* ((head (ly:parser-lookup parser '$defaultheader))
- (book (ly:make-book (ly:parser-lookup parser '$defaultpaper)
- head score)))
- (ly:parser-print-score parser book)))
(define-public (collect-scores-for-book parser score)
(ly:parser-define!
parser 'toplevel-scores
(cons score (ly:parser-lookup parser 'toplevel-scores))))
+(define-public (collect-music-for-book parser music)
+ ;; discard music if its 'void property is true.
+ (let ((void-music (ly:music-property music 'void)))
+ (if (or (null? void-music) (not void-music))
+ (collect-scores-for-book parser (scorify-music music parser)))))
(define-public (scorify-music music parser)
+ "Preprocess MUSIC."
(for-each (lambda (func)
(set! music (func music parser)))
(ly:make-score music))
-(define-public (collect-music-for-book parser music)
- ;; discard music if its 'void property is true.
- (let ((void-music (ly:music-property music 'void)))
- (if (or (null? void-music) (not void-music))
- (collect-scores-for-book parser (scorify-music music parser)))))
-
-
-(define-public (print-book-with-defaults parser book)
+(define (print-book-with parser book process-procedure)
(let*
((paper (ly:parser-lookup parser '$defaultpaper))
(layout (ly:parser-lookup parser '$defaultlayout))
- (count (ly:parser-lookup parser 'output-count))
- (base (ly:parser-output-name parser)))
-
- (if (not (integer? count))
- (set! count 0))
-
- (if (> count 0)
- (set! base (format #f "~a-~a" base count)))
- (ly:parser-define! parser 'output-count (1+ count))
- (ly:book-process book paper layout base)
- ))
-
-(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)))
+ ;; must be careful: output-count is under user control.
(if (not (integer? count))
(set! count 0))
(set! base (format #f "~a-~a" base count)))
(ly:parser-define! parser 'output-count (1+ count))
- (ly:score-process score header paper layout base)
+ (process-procedure book paper layout base)
))
+(define-public (print-book-with-defaults parser book)
+ (print-book-with parser book ly:book-process))
+
+(define-public (print-book-with-defaults-as-systems parser book)
+ (print-book-with parser book ly:book-process-to-systems))
;;;;;;;;;;;;;;;;
;; alist
(string<? (symbol->string (car x))
(symbol->string (car y))))
-(define-public (chain-assoc x alist-list)
- (if (null? alist-list)
- #f
- (let* ((handle (assoc x (car alist-list))))
- (if (pair? handle)
- handle
- (chain-assoc x (cdr alist-list))))))
-
(define-public (chain-assoc-get x alist-list . default)
"Return ALIST entry for X. Return DEFAULT (optional, else #f) if not
found."
;;;;;;;;;;;;;;;;
;; hash
-(if (not (defined? 'hash-table?)) ;; guile 1.6 compat
- (begin
- (define hash-table? vector?)
- (define-public (hash-for-each proc tab)
- (hash-fold (lambda (k v prior)
- (proc k v)
- #f)
- #f
- tab))
- (define-public (hash-table->alist t)
- "Convert table t to list"
- (apply append (vector->list t))))
-
- ;; native hashtabs.
- (begin
- (define-public (hash-table->alist t)
- (hash-fold (lambda (k v acc) (acons k v acc))
- '() t))))
+(define-public (hash-table->alist t)
+ (hash-fold (lambda (k v acc) (acons k v acc))
+ '() t))
;; todo: code dup with C++.
(define-safe-public (alist->hash-table lst)
(define-public interval-end cdr)
+(define-public (interval-bound interval dir)
+ ((if (= dir RIGHT) cdr car) interval))
+
(define-public (interval-index interval dir)
"Interpolate INTERVAL between between left (DIR=-1) and right (DIR=+1)"
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
-;;
-
-
+;; string
+
+(define-public (string-endswith s suffix)
+ (equal? suffix (substring s
+ (max 0 (- (string-length s) (string-length suffix)))
+ (string-length s))))
+
+(define-public (string-startswith s prefix)
+ (equal? prefix (substring s 0 (min (string-length s) (string-length prefix)))))
+
(define-public (string-encode-integer i)
(cond
((= i 0) "o")
(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 (number->octal-string x)
(let* ((n (inexact->exact x))
(n64 (quotient n 64))
0
(if (< x 0) -1 1)))
-(define-public (car< a b) (< (car a) (car b)))
+
+(define-public (car< a b)
+ (< (car a) (car b)))
(define-public (symbol<? lst r)
(string<? (symbol->string lst) (symbol->string r)))
(define-public (version-not-seen-message input-file-name)
(ly:message
- (string-append
- input-file-name ": 0: " (_ "warning: ")
- (format #f
- (_ "no \\version statement found, please add~afor future compatibility")
- (format #f "\n\n\\version ~s\n\n" (lilypond-version))))))
+ "~a:0: ~a: ~a"
+ input-file-name
+ (_ "warning: ")
+ (format #f
+ (_ "no \\version statement found, please add~afor future compatibility")
+ (format #f "\n\n\\version ~s\n\n" (lilypond-version)))))
(define-public (old-relative-not-used-message input-file-name)
(ly:message
- (string-append
- input-file-name ": 0: " (_ "warning: ")
- (_ "old relative compatibility not used"))))
+ "~a:0: ~a: ~a"
+ input-file-name
+ (_ "warning: ")
+ (_ "old relative compatibility not used")))