+;;;;
;;;; lily-library.scm -- utilities
;;;;
;;;; source file of the GNU LilyPond music typesetter
;;;;
-;;;; (c) 1998--2005 Jan Nieuwenhuizen <janneke@gnu.org>
-;;;; Han-Wen Nienhuys <hanwen@cs.uu.nl>
+;;;; (c) 1998--2006 Jan Nieuwenhuizen <janneke@gnu.org>
+;;;; 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 '$globalheader))
- (book (ly:make-book (ly:parser-lookup parser $defaultpaper)
- head score)))
- (ly:parser-print-book parser book)))
+ (let* ((head (ly:parser-lookup parser '$defaultheader))
+ (book (ly:make-book (ly:parser-lookup parser '$defaultpaper)
+ head (scorify-music music parser))))
+ (print-book-with-defaults parser book)))
(define-public (print-score-as-book parser score)
- (let* ((head (ly:parser-lookup parser '$globalheader))
- (book (ly:make-book (ly:parser-lookup parser $defaultpaper)
+ (let* ((head (ly:parser-lookup parser '$defaultheader))
+ (book (ly:make-book (ly:parser-lookup parser '$defaultpaper)
head score)))
- (ly:parser-print-book parser book)))
+ (print-book-with-defaults parser book)))
(define-public (print-score parser score)
- (let* ((head (ly:parser-lookup parser '$globalheader))
- (book (ly:make-book (ly:parser-lookup parser $defaultpaper)
+ (let* ((head (ly:parser-lookup parser '$defaultheader))
+ (book (ly:make-book (ly:parser-lookup parser '$defaultpaper)
head score)))
(ly:parser-print-score parser book)))
(define-public (collect-scores-for-book parser score)
- (ly:parser-define
+ (ly:parser-define!
parser 'toplevel-scores
(cons score (ly:parser-lookup parser 'toplevel-scores))))
-
-(define-public (collect-music-for-book parser music)
- (collect-scores-for-book parser (ly:music-scorify music parser)))
+(define-public (scorify-music music parser)
+ (for-each (lambda (func)
+ (set! music (func music parser)))
+ toplevel-music-functions)
+
+ (ly:make-score music))
+
+(define-public (collect-music-for-book parser music)
+ ;; discard music if its 'void property is true.
+ (let ((void-music (ly:music-property music 'void)))
+ (if (or (null? void-music) (not void-music))
+ (collect-scores-for-book parser (scorify-music music parser)))))
+
+
+(define-public (print-book-with-defaults parser book)
+ (let*
+ ((paper (ly:parser-lookup parser '$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))
+ (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))
+
+ (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
+;; alist
+
(define-public assoc-get ly:assoc-get)
(define-public (uniqued-alist alist acc)
(let ((k (assoc (car keys) lst)))
(if k k (first-assoc (cdr keys) lst)))))
+(define-public (flatten-alist alist)
+ (if (null? alist)
+ '()
+ (cons (caar alist)
+ (cons (cdar alist)
+ (flatten-alist (cdr alist))))))
+
;;;;;;;;;;;;;;;;
;; vector
+
(define-public (vector-for-each proc vec)
(do
((i 0 (1+ i)))
(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))))
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 (offset-flip-y o)
(cons (car o) (- (cdr o))))
+(define-public (offset-scale o scale)
+ (cons (* (car o) scale)
+ (* (cdr o) scale)))
+
(define-public (ly:list->offsets accum coords)
(if (null? coords)
accum
(cons (cons (car coords) (cadr coords))
(ly:list->offsets accum (cddr coords)))))
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; numbers
+
+(if (not (defined? 'nan?)) ;; guile 1.6 compat
+ (define-public (nan? x) (not (or (< 0.0 x)
+ (> 0.0 x)
+ (= 0.0 x)))))
+
+(if (not (defined? 'inf?))
+ (define-public (inf? x) (= (/ 1.0 x) 0.0)))
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; intervals
+
(define-public (interval-length x)
"Length of the number-pair X, when an interval"
(max 0 (- (cdr x) (car x))))
+(define-public interval-start car)
+(define-public (ordered-cons a b)
+ (cons (min a b)
+ (max a b)))
+
+(define-public interval-end cdr)
+
+(define-public (interval-index interval dir)
+ "Interpolate INTERVAL between between left (DIR=-1) and right (DIR=+1)"
+
+ (* (+ (interval-start interval) (interval-end interval)
+ (* dir (- (interval-end interval) (interval-start interval))))
+ 0.5))
+
+(define-public (interval-center x)
+ "Center the number-pair X, when an interval"
+ (if (interval-empty? x)
+ 0.0
+ (/ (+ (car x) (cdr x)) 2)))
+
(define-public interval-start car)
(define-public interval-end cdr)
+(define-public (interval-translate iv amount)
+ (cons (+ amount (car iv))
+ (+ amount (cdr iv))))
(define (other-axis a)
(remainder (+ a 1) 2))
(cons (- (car iv) amount)
(+ (cdr iv) amount)))
+
+(define-public (interval-empty? iv)
+ (> (car iv) (cdr iv)))
+
(define-public (interval-union i1 i2)
(cons (min (car i1) (car i2))
(max (cdr i1) (cdr i2))))
+(define-public (interval-sane? i)
+ (not (or (nan? (car i))
+ (inf? (car i))
+ (nan? (cdr i))
+ (inf? (cdr i))
+ (> (car i) (cdr i)))))
+
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;;
+
+
+(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 (number->octal-string x)
+ (let* ((n (inexact->exact x))
+ (n64 (quotient n 64))
+ (n8 (quotient (- n (* n64 64)) 8)))
+ (string-append
+ (number->string n64)
+ (number->string n8)
+ (number->string (remainder (- n (+ (* n64 64) (* n8 8))) 8)))))
+
+(define-public (ly:inexact->string x radix)
+ (let ((n (inexact->exact x)))
+ (number->string n radix)))
+
+(define-public (ly:number-pair->string c)
+ (string-append (ly:number->string (car c)) " "
+ (ly:number->string (cdr c))))
+
+
(define-public (write-me message x)
"Return X. Display MESSAGE and write X. Handy for debugging,
possibly turned off."
(cons x (cons between y))))
(fold-right conc #f lst))
-
(define-public (string-regexp-substitute a b str)
(regexp-substitute/global #f a str 'pre b 'post))
+(define (regexp-split str regex)
+ (define matches '())
+ (define end-of-prev-match 0)
+ (define (notice match)
+
+ (set! matches (cons (substring (match:string match)
+ end-of-prev-match
+ (match:start match))
+ matches))
+ (set! end-of-prev-match (match:end match)))
+
+ (regexp-substitute/global #f regex str notice 'post)
+
+ (if (< end-of-prev-match (string-length str))
+ (set!
+ matches
+ (cons (substring str end-of-prev-match (string-length str)) matches)))
+
+ (reverse matches))
+
;;;;;;;;;;;;;;;;
; other
(define (sign x)
0
(if (< x 0) -1 1)))
+(define-public (car< a b) (< (car a) (car b)))
+
(define-public (symbol<? lst r)
(string<? (symbol->string lst) (symbol->string r)))
+(define-public (symbol-key<? lst r)
+ (string<? (symbol->string (car lst)) (symbol->string (car r))))
+
+;;
+;; don't confuse users with #<procedure .. > syntax.
+;;
+(define-public (scm->string val)
+ (if (and (procedure? val) (symbol? (procedure-name val)))
+ (symbol->string (procedure-name val))
+ (string-append
+ (if (self-evaluating? val) "" "'")
+ (call-with-output-string (lambda (port) (display val port))))))
+
(define-public (!= lst r)
(not (= lst r)))
(string-append
input-file-name ": 0: " (_ "warning: ")
(format #f
- (_ "no \\version statement found, add~afor future compatibility")
+ (_ "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)
projects / lilypond.git / blobdiff