-; lily.scm -- implement Scheme output routines for TeX and PostScript
-;
-; source file of the GNU LilyPond music typesetter
-;
-; (c) 1998 Jan Nieuwenhuizen <janneke@gnu.org>
+;;;; lily.scm -- implement Scheme output routines for TeX and PostScript
+;;;;
+;;;; source file of the GNU LilyPond music typesetter
+;;;;
+;;;; (c) 1998--2004 Jan Nieuwenhuizen <janneke@gnu.org>
+;;;; Han-Wen Nienhuys <hanwen@cs.uu.nl>
+;;; Library functions
-;
-; This file contains various routines in Scheme that are easier to
-; do here than in C++. At present it is an unorganised mess. Sorry.
-;
+(use-modules (ice-9 regex)
+ (ice-9 safe)
+ (oop goops)
+ (srfi srfi-1) ; lists
+ (srfi srfi-13)) ; strings
-;(debug-enable 'backtrace)
+(define-public safe-module (make-safe-module))
-;;; library funtions
+(define-public (myd k v) (display k) (display ": ") (display v) (display ", "))
-(use-modules (ice-9 regex))
+;;; General settings
+;;; debugging evaluator is slower. This should
+;;; have a more sensible default.
-;; The regex module may not be available, or may be broken.
-;; If you have trouble with regex, define #f
-;;(define use-regex #t)
-;;(define use-regex #f)
-(define use-regex
- (let ((os (string-downcase (vector-ref (uname) 0))))
- (not (equal? "cygwin" (substring os 0 (min 6 (string-length os)))))))
+(if (ly:get-option 'verbose)
+ (begin
+ (debug-enable 'debug)
+ (debug-enable 'backtrace)
+ (read-enable 'positions) ))
-;; do nothing in .scm output
-(define (comment s) "")
-(define (mm-to-pt x)
- (* (/ 72.27 25.40) x)
+(define-public (line-column-location line col file)
+ "Print an input location, including column number ."
+ (string-append (number->string line) ":"
+ (number->string col) " " file)
)
-(define (cons-map f x)
- (cons (f (car x)) (f (cdr x))))
+(define-public (line-location line col file)
+ "Print an input location, without column number ."
+ (string-append (number->string line) " " file)
+ )
-(define (reduce operator list)
- (if (null? (cdr list)) (car list)
- (operator (car list) (reduce operator (cdr list)))
- )
- )
+(define-public point-and-click #f)
+(define-public (lilypond-version)
+ (string-join
+ (map (lambda (x) (if (symbol? x)
+ (symbol->string x)
+ (number->string x)))
+ (ly:version))
+ "."))
-(define (numbers->string l)
- (apply string-append (map ly-number->string l)))
-; (define (chop-decimal x) (if (< (abs x) 0.001) 0.0 x))
-(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)))))
+;; cpp hack to get useful error message
+(define ifdef "First run this through cpp.")
+(define ifndef "First run this through cpp.")
-(define (inexact->string x radix)
- (let ((n (inexact->exact x)))
- (number->string n radix)))
-(define (control->string c)
- (string-append (number->string (car c)) " "
- (number->string (cdr c)) " "))
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+(define-public X 0)
+(define-public Y 1)
+(define-public START -1)
+(define-public STOP 1)
+(define-public LEFT -1)
+(define-public RIGHT 1)
+(define-public UP 1)
+(define-public DOWN -1)
+(define-public CENTER 0)
-(define (font i)
- (string-append
- "font"
- (make-string 1 (integer->char (+ (char->integer #\A) i)))
- ))
+(define-public DOUBLE-FLAT -4)
+(define-public THREE-Q-FLAT -3)
+(define-public FLAT -2)
+(define-public SEMI-FLAT -1)
+(define-public NATURAL 0)
+(define-public SEMI-SHARP 1)
+(define-public SHARP 2)
+(define-public THREE-Q-SHARP 3)
+(define-public DOUBLE-SHARP 4)
+(define-public SEMI-TONE 2)
+(define-public ZERO-MOMENT (ly:make-moment 0 1))
+(define-public (moment-min a b)
+ (if (ly:moment<? a b) a b))
-(define (scm-scm action-name)
- 1)
-
-(define security-paranoia #f)
-
-
-;; See documentation of Item::visibility_lambda_
-(define (begin-of-line-visible d) (if (= d 1) '(#f . #f) '(#t . #t)))
-(define (spanbar-begin-of-line-invisible d) (if (= d -1) '(#t . #t) '(#f . #f)))
-(define (all-visible d) '(#f . #f))
-(define (all-invisible d) '(#t . #t))
-(define (begin-of-line-invisible d) (if (= d 1) '(#t . #t) '(#f . #f)))
-(define (end-of-line-invisible d) (if (= d -1) '(#t . #t) '(#f . #f)))
-
-
-(define mark-visibility end-of-line-invisible)
-
-;; Spacing constants for prefatory matter.
-;;
-;; rules for this spacing are much more complicated than this. See [Wanske] page 126 -- 134, [Ross] pg 143 -- 147
-;;
-;;
-
-;; (Measured in staff space)
-(define space-alist
- '(
- ((none Instrument_name) . (extra-space 1.0))
- ((Instrument_name Left_edge_item) . (extra-space 1.0))
- ((Left_edge_item Clef_item) . (extra-space 1.0))
- ((Left_edge_item Key_item) . (extra-space 0.0))
- ((Left_edge_item begin-of-note) . (extra-space 1.0))
- ((none Left_edge_item) . (extra-space 0.0))
- ((Left_edge_item Staff_bar) . (extra-space 0.0))
-; ((none Left_edge_item) . (extra-space -15.0))
-; ((none Left_edge_item) . (extra-space -15.0))
- ((none Clef_item) . (minimum-space 1.0))
- ((none Staff_bar) . (minimum-space 0.0))
- ((none Clef_item) . (minimum-space 1.0))
- ((none Key_item) . (minimum-space 0.5))
- ((none Time_signature) . (extra-space 0.0))
- ((none begin-of-note) . (minimum-space 1.5))
- ((Clef_item Key_item) . (minimum-space 4.0))
- ((Key_item Time_signature) . (extra-space 1.0))
- ((Clef_item Time_signature) . (minimum-space 3.5))
- ((Staff_bar Clef_item) . (minimum-space 1.0))
- ((Clef_item Staff_bar) . (minimum-space 3.7))
- ((Time_signature Staff_bar) . (minimum-space 2.0))
- ((Key_item Staff_bar) . (extra-space 1.0))
- ((Staff_bar Time_signature) . (minimum-space 1.5)) ;double check this.
- ((Time_signature begin-of-note) . (extra-space 2.0)) ;double check this.
- ((Key_item begin-of-note) . (extra-space 2.5))
- ((Staff_bar begin-of-note) . (extra-space 1.0))
- ((Clef_item begin-of-note) . (minimum-space 5.0))
- ((none Breathing_sign) . (minimum-space 0.0))
- ((Breathing_sign Key_item) . (minimum-space 1.5))
- ((Breathing_sign begin-of-note) . (minimum-space 1.0))
- ((Breathing_sign Staff_bar) . (minimum-space 1.5))
- ((Breathing_sign Clef_item) . (minimum-space 2.0))
- )
-)
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; lily specific variables.
+(define-public default-script-alist '())
-;; silly, use alist?
-(define (find-notehead-symbol duration style)
- (case style
- ((cross) "2cross")
- ((harmonic) "0mensural")
- ((baroque)
- (string-append (number->string duration)
- (if (< duration 0) "mensural" "")))
- ((default) (number->string duration))
- (else
- (string-append (number->string duration) (symbol->string style)))))
-
-
-;;;;;;;; TeX
-
-;; this is silly, can't we use something like
-;; roman-0, roman-1 roman+1 ?
-(define cmr-alist
- '(("bold" . "cmbx")
- ("brace" . "feta-braces")
- ("default" . "cmr10")
- ("dynamic" . "feta-din")
- ("feta" . "feta")
- ("feta-1" . "feta")
- ("feta-2" . "feta")
- ("typewriter" . "cmtt")
- ("italic" . "cmti")
- ("msam" . "msam")
- ("roman" . "cmr")
- ("script" . "cmr")
- ("large" . "cmbx")
- ("Large" . "cmbx")
- ("mark" . "feta-nummer")
- ("finger" . "feta-nummer")
- ("timesig" . "feta-nummer")
- ("number" . "feta-nummer")
- ("volta" . "feta-nummer"))
-)
+(define-public safe-mode? #f)
-(define (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))
- )
- )
- )
- )
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;;; Unassorted utility functions.
-(define (magstep i)
- (cdr (assoc i '((-4 . 482)
- (-3 . 579)
- (-2 . 694)
- (-1 . 833)
- (0 . 1000)
- (1 . 1200)
- (2 . 1440)
- (3 . 1728)
- (4 . 2074))
- )
- )
- )
-
-(define script-alist '())
-(define font-name-alist '())
-(define (font-command name-mag)
- (cons name-mag
- (string-append "magfont"
- (string-encode-integer (hashq (car name-mag) 1000000))
- "m"
- (string-encode-integer (cdr name-mag)))
+;;;;;;;;;;;;;;;;
+; alist
+(define (uniqued-alist alist acc)
+ (if (null? alist) acc
+ (if (assoc (caar alist) acc)
+ (uniqued-alist (cdr alist) acc)
+ (uniqued-alist (cdr alist) (cons (car alist) acc)))))
- )
- )
-(define (define-fonts names)
- (set! font-name-alist (map font-command names))
- (apply string-append
- (map (lambda (x)
- (font-load-command (car x) (cdr x))) font-name-alist)
- ))
-(define (fontify name exp)
- (string-append (select-font name)
- exp)
- )
+(define-public (assoc-get key alist . default)
+ "Return value if KEY in ALIST, else DEFAULT (or #f if not specified)."
+ (let ((entry (assoc key alist)))
+ (if (pair? entry)
+ (cdr entry)
+ (if (pair? default) (car default) #f)
+ )))
-;;;;;;;;;;;;;;;;;;;;
+(define-public (uniqued-alist alist acc)
+ (if (null? alist) acc
+ (if (assoc (caar alist) acc)
+ (uniqued-alist (cdr alist) acc)
+ (uniqued-alist (cdr alist) (cons (car alist) acc)))))
+(define-public (alist<? x y)
+ (string<? (symbol->string (car x))
+ (symbol->string (car y))))
-; Make a function that checks score element for being of a specific type.
-(define (make-type-checker name)
- (lambda (elt)
- (not (not (memq name (ly-get-elt-property elt 'interfaces))))))
-
-;;;;;;;;;;;;;;;;;;; TeX output
-(define (tex-scm action-name)
- (define (unknown)
- "%\n\\unknown%\n")
+(define (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 (select-font font-name-symbol)
- (let*
- (
- (c (assoc font-name-symbol font-name-alist))
- )
- (if (eq? c #f)
- (begin
- (ly-warn (string-append
- "Programming error: No such font known " (car font-name-symbol)))
- "") ; issue no command
- (string-append "\\" (cdr c)))
-
-
- ))
-
- (define (beam width slope thick)
- (embedded-ps ((ps-scm 'beam) width slope thick)))
+(define (chain-assoc-get x alist-list . default)
+ "Return ALIST entry for X. Return DEFAULT (optional, else #f) if not
+found."
- (define (bracket arch_angle arch_width arch_height width height arch_thick thick)
- (embedded-ps ((ps-scm 'bracket) arch_angle arch_width arch_height width height arch_thick thick)))
+ (define (helper x alist-list default)
+ (if (null? alist-list)
+ default
+ (let* ((handle (assoc x (car alist-list))))
+ (if (pair? handle)
+ (cdr handle)
+ (helper x (cdr alist-list) default)))))
- (define (dashed-slur thick dash l)
- (embedded-ps ((ps-scm 'dashed-slur) thick dash l)))
+ (helper x alist-list
+ (if (pair? default) (car default) #f)))
- (define (crescendo thick w h cont)
- (embedded-ps ((ps-scm 'crescendo) thick w h cont)))
+(define (map-alist-vals func list)
+ "map FUNC over the vals of LIST, leaving the keys."
+ (if (null? list)
+ '()
+ (cons (cons (caar list) (func (cdar list)))
+ (map-alist-vals func (cdr list)))
+ ))
- (define (char i)
- (string-append "\\char" (inexact->string i 10) " "))
-
- (define (dashed-line thick dash w)
- (embedded-ps ((ps-scm 'dashed-line) thick dash w)))
+(define (map-alist-keys func list)
+ "map FUNC over the keys of an alist LIST, leaving the vals. "
+ (if (null? list)
+ '()
+ (cons (cons (func (caar list)) (cdar list))
+ (map-alist-keys func (cdr list)))
+ ))
+
+;;;;;;;;;;;;;;;;
+;; hash
- (define (decrescendo thick w h cont)
- (embedded-ps ((ps-scm 'decrescendo) thick w h cont)))
- (define (font-load-command name-mag command)
- (string-append
- "\\font\\" command "="
- (symbol->string (car name-mag))
- " scaled "
- (number->string (magstep (cdr name-mag)))
- "\n"))
- (define (embedded-ps s)
- (string-append "\\embeddedps{" s "}"))
+(if (not (defined? 'hash-table?)) ; guile 1.6 compat
+ (begin
+ (define hash-table? vector?)
- (define (comment s)
- (string-append "% " s))
-
- (define (end-output)
- (begin
-; uncomment for some stats about lily memory
-; (display (gc-stats))
- (string-append "\n\\EndLilyPondOutput"
- ; Put GC stats here.
- )))
-
- (define (experimental-on)
- "")
-
- (define (font-switch i)
- (string-append
- "\\" (font i) "\n"))
-
- (define (font-def i s)
- (string-append
- "\\font" (font-switch i) "=" s "\n"))
-
- (define (header-end)
- (string-append
- "\\special{! "
-
- ;; URG: ly-gulp-file: now we can't use scm output without Lily
- (if use-regex
- ;; fixed in 1.3.4 for powerpc -- broken on Windows
- (regexp-substitute/global #f "\n"
- (ly-gulp-file "lily.ps") 'pre " %\n" 'post)
- (ly-gulp-file "lily.ps"))
- "}"
- "\\input lilyponddefs \\turnOnPostScript"))
-
- (define (header creator generate)
- (string-append
- "%created by: " creator generate "\n"))
-
- (define (invoke-char s i)
- (string-append
- "\n\\" s "{" (inexact->string i 10) "}" ))
-
- (define (invoke-dim1 s d)
- (string-append
- "\n\\" s "{" (number->dim d) "}"))
- (define (pt->sp x)
- (* 65536 x))
-
- ;;
- ;; need to do something to make this really safe.
- ;;
- (define (output-tex-string s)
- (if security-paranoia
- (if use-regex
- (regexp-substitute/global #f "\\\\" s 'pre "$\\backslash$" 'post)
- (begin (display "warning: not paranoid") (newline) s))
- s))
-
- (define (lily-def key val)
- (string-append
- "\\def\\"
- (if use-regex
- ;; fixed in 1.3.4 for powerpc -- broken on Windows
- (regexp-substitute/global #f "_"
- (output-tex-string key) 'pre "X" 'post)
- (output-tex-string key))
- "{" (output-tex-string val) "}\n"))
-
- (define (number->dim x)
- (string-append
- (ly-number->string x) " pt "))
-
- (define (placebox x y s)
- (string-append
- "\\placebox{"
- (number->dim y) "}{" (number->dim x) "}{" s "}\n"))
-
- (define (bezier-sandwich l thick)
- (embedded-ps ((ps-scm 'bezier-sandwich) l thick)))
-
- (define (start-line ht)
- (string-append"\\vbox to " (number->dim ht) "{\\hbox{%\n"))
-
- (define (stop-line)
- "}\\vss}\\interscoreline")
- (define (stop-last-line)
- "}\\vss}")
- (define (filledbox breapth width depth height)
- (string-append
- "\\kern" (number->dim (- breapth))
- "\\vrule width " (number->dim (+ breapth width))
- "depth " (number->dim depth)
- "height " (number->dim height) " "))
-
- (define (text s)
- (string-append "\\hbox{" (output-tex-string s) "}"))
-
- (define (tuplet ht gapx dx dy thick dir)
- (embedded-ps ((ps-scm 'tuplet) ht gapx dx dy thick dir)))
-
- (define (volta h w thick vert_start vert_end)
- (embedded-ps ((ps-scm 'volta) h w thick vert_start vert_end)))
-
- ;; TeX
- ;; The procedures listed below form the public interface of TeX-scm.
- ;; (should merge the 2 lists)
- (cond ((eq? action-name 'all-definitions)
- `(begin
- (define font-load-command ,font-load-command)
- (define beam ,beam)
- (define bezier-sandwich ,bezier-sandwich)
- (define bracket ,bracket)
- (define char ,char)
- (define crescendo ,crescendo)
- (define dashed-line ,dashed-line)
- (define dashed-slur ,dashed-slur)
- (define decrescendo ,decrescendo)
- (define end-output ,end-output)
- (define experimental-on ,experimental-on)
- (define filledbox ,filledbox)
- (define font-def ,font-def)
- (define font-switch ,font-switch)
- (define header-end ,header-end)
- (define lily-def ,lily-def)
- (define header ,header)
- (define invoke-char ,invoke-char)
- (define invoke-dim1 ,invoke-dim1)
- (define placebox ,placebox)
- (define select-font ,select-font)
- (define start-line ,start-line)
- (define stop-line ,stop-line)
- (define stop-last-line ,stop-last-line)
- (define text ,text)
- (define tuplet ,tuplet)
- (define volta ,volta)
- ))
-
- ((eq? action-name 'beam) beam)
- ((eq? action-name 'tuplet) tuplet)
- ((eq? action-name 'bracket) bracket)
- ((eq? action-name 'crescendo) crescendo)
- ((eq? action-name 'dashed-line) dashed-line)
- ((eq? action-name 'dashed-slur) dashed-slur)
- ((eq? action-name 'decrescendo) decrescendo)
- ((eq? action-name 'end-output) end-output)
- ((eq? action-name 'experimental-on) experimental-on)
- ((eq? action-name 'font-def) font-def)
- ((eq? action-name 'font-switch) font-switch)
- ((eq? action-name 'header-end) header-end)
- ((eq? action-name 'lily-def) lily-def)
- ((eq? action-name 'header) header)
- ((eq? action-name 'invoke-char) invoke-char)
- ((eq? action-name 'invoke-dim1) invoke-dim1)
- ((eq? action-name 'placebox) placebox)
- ((eq? action-name 'bezier-sandwich) bezier-sandwich)
- ((eq? action-name 'start-line) start-line)
- ((eq? action-name 'stem) stem)
- ((eq? action-name 'stop-line) stop-line)
- ((eq? action-name 'stop-last-line) stop-last-line)
- ((eq? action-name 'volta) volta)
- (else (error "unknown tag -- PS-TEX " action-name))
+ (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)
)
- )
+ ))
+;; todo: code dup with C++.
+(define-public (alist->hash-table l)
+ "Convert alist to table"
+ (let
+ ((m (make-hash-table (length l))))
-;;;;;;;;;;;; PS
-(define (ps-scm action-name)
+ (map (lambda (k-v)
+ (hashq-set! m (car k-v) (cdr k-v)))
+ l)
- ;; alist containing fontname -> fontcommand assoc (both strings)
- (define font-alist '())
- (define font-count 0)
- (define current-font "")
+ m))
+
-
- (define (cached-fontname i)
- (string-append
- "lilyfont"
- (make-string 1 (integer->char (+ 65 i)))))
-
- (define (mag-to-size m)
- (number->string (case m
- (0 12)
- (1 12)
- (2 14) ; really: 14.400
- (3 17) ; really: 17.280
- (4 21) ; really: 20.736
- (5 24) ; really: 24.888
- (6 30) ; really: 29.856
- )))
-
-
- (define (select-font font-name-symbol)
- (let*
- (
- (c (assoc font-name-symbol font-name-alist))
- )
- (if (eq? c #f)
- (begin
- (ly-warn (string-append
- "Programming error: No such font known " (car font-name-symbol)))
- "") ; issue no command
- (string-append " " (cdr c) " "))
-
-
- ))
+;;;;;;;;;;;;;;;;
+; list
- (define (font-load-command name-mag command)
- (string-append
- "/" command
- " { /"
- (symbol->string (car name-mag))
- " findfont "
- (number->string (magstep (cdr name-mag)))
- " 1000 div 12 mul scalefont setfont } bind def "
- "\n"))
-
-
- (define (beam width slope thick)
- (string-append
- (numbers->string (list width slope thick)) " draw_beam" ))
-
- (define (comment s)
- (string-append "% " s))
-
- (define (bracket arch_angle arch_width arch_height width height arch_thick thick)
- (string-append
- (numbers->string (list arch_angle arch_width arch_height width height arch_thick thick)) " draw_bracket" ))
-
- (define (char i)
- (invoke-char " show" i))
-
- (define (crescendo thick w h cont )
- (string-append
- (numbers->string (list w h (inexact->exact cont) thick))
- " draw_crescendo"))
-
- ;; what the heck is this interface ?
- (define (dashed-slur thick dash l)
- (string-append
- (apply string-append (map control->string l))
- (number->string thick)
- " [ "
- (number->string dash)
- " "
- (number->string (* 10 thick)) ;UGH. 10 ?
- " ] 0 draw_dashed_slur"))
-
- (define (dashed-line thick dash width)
- (string-append
- (number->string width)
- " "
- (number->string thick)
- " [ "
- (number->string dash)
- " "
- (number->string dash)
- " ] 0 draw_dashed_line"))
-
- (define (decrescendo thick w h cont)
- (string-append
- (numbers->string (list w h (inexact->exact cont) thick))
- " draw_decrescendo"))
-
-
- (define (end-output)
- "\nshowpage\n")
-
- (define (experimental-on) "")
-
- (define (filledbox breapth width depth height)
- (string-append (numbers->string (list breapth width depth height))
- " draw_box" ))
-
- ;; obsolete?
- (define (font-def i s)
- (string-append
- "\n/" (font i) " {/"
- (substring s 0 (- (string-length s) 4))
- " findfont 12 scalefont setfont} bind def \n"))
-
- (define (font-switch i)
- (string-append (font i) " "))
-
- (define (header-end)
- (string-append
- ;; URG: now we can't use scm output without Lily
- (ly-gulp-file "lilyponddefs.ps")
- " {exch pop //systemdict /run get exec} "
- (ly-gulp-file "lily.ps")
- "{ exch pop //systemdict /run get exec } "
- ))
+(define (flatten-list lst)
+ "Unnest LST"
+ (if (null? lst)
+ '()
+ (if (pair? (car lst))
+ (append (flatten-list (car lst)) (flatten-list (cdr lst)))
+ (cons (car lst) (flatten-list (cdr lst))))
+ ))
+
+(define (list-minus a b)
+ "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 l)
- (define (lily-def key val)
+ "Uniq LIST, assuming that it is sorted"
+ (define (helper acc l)
+ (if (null? l)
+ acc
+ (if (null? (cdr l))
+ (cons (car l) acc)
+ (if (equal? (car l) (cadr l))
+ (helper acc (cdr l))
+ (helper (cons (car l) acc) (cdr l)))
+ )))
+ (reverse! (helper '() l) '()))
+
+
+(define (split-at-predicate predicate l)
+ "Split L = (a_1 a_2 ... a_k b_1 ... b_k)
+into L1 = (a_1 ... a_k ) and L2 =(b_1 .. b_k)
+Such that (PREDICATE a_i a_{i+1}) and not (PREDICATE a_k b_1).
+L1 is copied, L2 not.
+
+(split-at-predicate (lambda (x y) (= (- y x) 2)) '(1 3 5 9 11) (cons '() '()))"
+;; "
+
+;; KUT EMACS MODE.
+
+ (define (inner-split predicate l acc)
+ (cond
+ ((null? l) acc)
+ ((null? (cdr l))
+ (set-car! acc (cons (car l) (car acc)))
+ acc)
+ ((predicate (car l) (cadr l))
+ (set-car! acc (cons (car l) (car acc)))
+ (inner-split predicate (cdr l) acc))
+ (else
+ (set-car! acc (cons (car l) (car acc)))
+ (set-cdr! acc (cdr l))
+ acc)
- (if (string=? (substring key 0 (min (string-length "mudelapaper") (string-length key))) "mudelapaper")
- (string-append "/" key " {" val "} bind def\n")
- (string-append "/" key " (" val ") def\n")
- )
+ ))
+ (let*
+ ((c (cons '() '()))
)
+ (inner-split predicate l c)
+ (set-car! c (reverse! (car c)))
+ c)
+)
- (define (header creator generate)
- (string-append
- "%!PS-Adobe-3.0\n"
- "%%Creator: " creator generate "\n"))
-
- (define (invoke-char s i)
- (string-append
- "(\\" (inexact->string i 8) ") " s " " ))
-
- (define (invoke-dim1 s d)
- (string-append
- (number->string (* d (/ 72.27 72))) " " s ))
-
- (define (placebox x y s)
- (string-append
- (number->string x) " " (number->string y) " {" s "} placebox "))
-
- (define (bezier-sandwich l thick)
- (string-append
- (apply string-append (map control->string l))
- (number->string thick)
- " draw_bezier_sandwich"))
-
- (define (start-line height)
- "\nstart_line {\n")
-
- (define (stem breapth width depth height)
- (string-append (numbers->string (list breapth width depth height))
- " draw_box" ))
-
- (define (stop-line)
- "}\nstop_line\n")
-
- (define (text s)
- (string-append "(" s ") show "))
-
-
- (define (volta h w thick vert_start vert_end)
- (string-append
- (numbers->string (list h w thick (inexact->exact vert_start) (inexact->exact vert_end)))
- " draw_volta"))
-
- (define (tuplet ht gap dx dy thick dir)
- (string-append
- (numbers->string (list ht gap dx dy thick (inexact->exact dir)))
- " draw_tuplet"))
-
-
- (define (unknown)
- "\n unknown\n")
-
-
- ;; PS
- (cond ((eq? action-name 'all-definitions)
- `(begin
- (define beam ,beam)
- (define tuplet ,tuplet)
- (define bracket ,bracket)
- (define char ,char)
- (define crescendo ,crescendo)
- (define volta ,volta)
- (define bezier-sandwich ,bezier-sandwich)
- (define dashed-line ,dashed-line)
- (define dashed-slur ,dashed-slur)
- (define decrescendo ,decrescendo)
- (define end-output ,end-output)
- (define experimental-on ,experimental-on)
- (define filledbox ,filledbox)
- (define font-def ,font-def)
- (define font-switch ,font-switch)
- (define header-end ,header-end)
- (define lily-def ,lily-def)
- (define font-load-command ,font-load-command)
- (define header ,header)
- (define invoke-char ,invoke-char)
- (define invoke-dim1 ,invoke-dim1)
- (define placebox ,placebox)
- (define select-font ,select-font)
- (define start-line ,start-line)
- (define stem ,stem)
- (define stop-line ,stop-line)
- (define stop-last-line ,stop-line)
- (define text ,text)
- ))
- ((eq? action-name 'tuplet) tuplet)
- ((eq? action-name 'beam) beam)
- ((eq? action-name 'bezier-sandwich) bezier-sandwich)
- ((eq? action-name 'bracket) bracket)
- ((eq? action-name 'char) char)
- ((eq? action-name 'crescendo) crescendo)
- ((eq? action-name 'dashed-line) dashed-line)
- ((eq? action-name 'dashed-slur) dashed-slur)
- ((eq? action-name 'decrescendo) decrescendo)
- ((eq? action-name 'experimental-on) experimental-on)
- ((eq? action-name 'filledbox) filledbox)
- ((eq? action-name 'select-font) select-font)
- ((eq? action-name 'volta) volta)
- (else (error "unknown tag -- PS-SCM " action-name))
- )
- )
+(define-public (split-list l sep?)
+"
+(display (split-list '(a b c / d e f / g) (lambda (x) (equal? x '/))) )
+=>
+((a b c) (d e f) (g))
+
+"
+;; " KUT EMACS.
-(define (arg->string arg)
- (cond ((number? arg) (inexact->string arg 10))
- ((string? arg) (string-append "\"" arg "\""))
- ((symbol? arg) (string-append "\"" (symbol->string arg) "\""))))
+(define (split-one sep? l acc)
+ "Split off the first parts before separator and return both parts."
+ (if (null? l)
+ (cons acc '())
+ (if (sep? (car l))
+ (cons acc (cdr l))
+ (split-one sep? (cdr l) (cons (car l) acc))
+ )
+ ))
-(define (func name . args)
- (string-append
- "(" name
- (if (null? args)
- ""
- (apply string-append
- (map (lambda (x) (string-append " " (arg->string x))) args)))
- ")\n"))
+(if (null? l)
+ '()
+ (let* ((c (split-one sep? l '())))
+ (cons (reverse! (car c) '()) (split-list (cdr c) sep?))
+ )))
-(define (sign x)
- (if (= x 0)
- 1
- (inexact->exact (/ x (abs x)))))
-
-;;;; AsciiScript as
-(define (as-scm action-name)
-
- (define (beam width slope thick)
- (string-append
- (func "set-line-char" "#")
- (func "rline-to" width (* width slope))
- ))
-
- ; simple flat slurs
- (define (bezier-sandwich l thick)
- (let (
- (c0 (cadddr l))
- (c1 (cadr l))
- (c3 (caddr l)))
- (let* ((x (car c0))
- (dx (- (car c3) x))
- (dy (- (cdr c3) (cdr c0)))
- (rc (/ dy dx))
- (c1-dx (- (car c1) x))
- (c1-line-y (+ (cdr c0) (* c1-dx rc)))
- (dir (if (< c1-line-y (cdr c1)) 1 -1))
- (y (+ -1 (* dir (max (* dir (cdr c0)) (* dir (cdr c3)))))))
- (string-append
- (func "rmove-to" x y)
- (func "put" (if (< 0 dir) "/" "\\\\"))
- (func "rmove-to" 1 (if (< 0 dir) 1 0))
- (func "set-line-char" "_")
- (func "h-line" (- dx 1))
- (func "rmove-to" (- dx 1) (if (< 0 dir) -1 0))
- (func "put" (if (< 0 dir) "\\\\" "/"))))))
-
- (define (bracket arch_angle arch_width arch_height width height arch_thick thick)
- (string-append
- (func "rmove-to" (+ width 1) (- (/ height -2) 1))
- (func "put" "\\\\")
- (func "set-line-char" "|")
- (func "rmove-to" 0 1)
- (func "v-line" (+ height 1))
- (func "rmove-to" 0 (+ height 1))
- (func "put" "/")
- ))
-
- (define (char i)
- (func "char" i))
-
- (define (end-output)
- (func "end-output"))
-
- (define (experimental-on)
- "")
-
- (define (filledbox breapth width depth height)
- (let ((dx (+ width breapth))
- (dy (+ depth height)))
- (string-append
- (func "rmove-to" (* -1 breapth) (* -1 depth))
- (if (< dx dy)
- (string-append
- (func "set-line-char"
- (if (<= dx 1) "|" "#"))
- (func "v-line" dy))
- (string-append
- (func "set-line-char"
- (if (<= dy 1) "-" "="))
- (func "h-line" dx))))))
-
- (define (font-load-command name-mag command)
- (func "load-font" (car name-mag) (magstep (cdr name-mag))))
-
- (define (header creator generate)
- (func "header" creator generate))
-
- (define (header-end)
- (func "header-end"))
-
- ;; urg: this is good for half of as2text's execution time
- (define (xlily-def key val)
- (string-append "(define " key " " (arg->string val) ")\n"))
-
- (define (lily-def key val)
- (if
- (or (equal? key "mudelapaperlinewidth")
- (equal? key "mudelapaperstaffheight"))
- (string-append "(define " key " " (arg->string val) ")\n")
- ""))
-
- (define (placebox x y s)
- (let ((ey (inexact->exact y)))
- (string-append "(move-to " (number->string (inexact->exact x)) " "
- (if (= 0.5 (- (abs y) (abs ey)))
- (number->string y)
- (number->string ey))
- ")\n" s)))
-
- (define (select-font font-name-symbol)
- (let* ((c (assoc font-name-symbol font-name-alist)))
- (if (eq? c #f)
- (begin
- (ly-warn
- (string-append
- "Programming error: No such font known "
- (car font-name-symbol)))
- "") ; issue no command
- (func "select-font" (car font-name-symbol)))))
-
- (define (start-line height)
- (func "start-line" height))
-
- (define (stop-line)
- (func "stop-line"))
-
- (define (text s)
- (func "text" s))
-
- (define (volta h w thick vert-start vert-end)
- ;; urg
- (string-append
- (func "set-line-char" "|")
- (func "rmove-to" 0 -4)
- ;; definition strange-way around
- (if (= 0 vert-start)
- (func "v-line" h)
- "")
- (func "rmove-to" 1 h)
- (func "set-line-char" "_")
- (func "h-line" (- w 1))
- (func "set-line-char" "|")
- (if (= 0 vert-end)
- (string-append
- (func "rmove-to" (- w 1) (* -1 h))
- (func "v-line" (* -1 h)))
- "")))
-
- (cond ((eq? action-name 'all-definitions)
- `(begin
- (define beam ,beam)
- (define bracket ,bracket)
- (define char ,char)
- ;;(define crescendo ,crescendo)
- (define bezier-sandwich ,bezier-sandwich)
- ;;(define dashed-slur ,dashed-slur)
- ;;(define decrescendo ,decrescendo)
- (define end-output ,end-output)
- (define experimental-on ,experimental-on)
- (define filledbox ,filledbox)
- ;;(define font-def ,font-def)
- (define font-load-command ,font-load-command)
- ;;(define font-switch ,font-switch)
- (define header ,header)
- (define header-end ,header-end)
- (define lily-def ,lily-def)
- ;;(define invoke-char ,invoke-char)
- ;;(define invoke-dim1 ,invoke-dim1)
- (define placebox ,placebox)
- (define select-font ,select-font)
- (define start-line ,start-line)
- ;;(define stem ,stem)
- (define stop-line ,stop-line)
- (define stop-last-line ,stop-line)
- (define text ,text)
- ;;(define tuplet ,tuplet)
- (define volta ,volta)
- ))
- ;;((eq? action-name 'tuplet) tuplet)
- ;;((eq? action-name 'beam) beam)
- ;;((eq? action-name 'bezier-sandwich) bezier-sandwich)
- ;;((eq? action-name 'bracket) bracket)
- ((eq? action-name 'char) char)
- ;;((eq? action-name 'crescendo) crescendo)
- ;;((eq? action-name 'dashed-slur) dashed-slur)
- ;;((eq? action-name 'decrescendo) decrescendo)
- ;;((eq? action-name 'experimental-on) experimental-on)
- ((eq? action-name 'filledbox) filledbox)
- ((eq? action-name 'select-font) select-font)
- ;;((eq? action-name 'volta) volta)
- (else (error "unknown tag -- MUSA-SCM " action-name))
- )
+
+(define-public (interval-length x)
+ "Length of the number-pair X, when an interval"
+ (max 0 (- (cdr x) (car x)))
)
+
+
+(define (other-axis a)
+ (remainder (+ a 1) 2))
+
+
+(define-public (interval-widen iv amount)
+ (cons (- (car iv) amount)
+ (+ (cdr iv) amount)))
+
+(define-public (interval-union i1 i2)
+ (cons (min (car i1) (car i2))
+ (max (cdr i1) (cdr i2))))
-(define (gulp-file name)
- (let* ((port (open-file name "r"))
- (content (let loop ((text ""))
- (let ((line (read-line port)))
- (if (or (eof-object? line)
- (not line))
- text
- (loop (string-append text line "\n")))))))
- (close port)
- content))
-
-;; urg: Use when standalone, do:
-;; (define ly-gulp-file scm-gulp-file)
-(define (scm-gulp-file name)
- (set! %load-path
- (cons (string-append (getenv 'LILYPONDPREFIX) "/ly")
- (cons (string-append (getenv 'LILYPONDPREFIX) "/ps")
- %load-path)))
- (let ((path (%search-load-path name)))
- (if path
- (gulp-file path)
- (gulp-file name))))
-
-(define (scm-tex-output)
- (eval (tex-scm 'all-definitions)))
-
-(define (scm-ps-output)
- (eval (ps-scm 'all-definitions)))
-
-(define (scm-as-output)
- (eval (as-scm 'all-definitions)))
-
+(define-public (write-me message x)
+ "Return X. Display MESSAGE and write X. Handy for debugging, possibly turned off."
+ (display message) (write x) (newline) x)
+;; x)
+
(define (index-cell cell dir)
(if (equal? dir 1)
(cdr cell)
(car cell)))
-;
-; How should a bar line behave at a break?
-;
-(define (break-barline glyph dir)
- (let ((result (assoc glyph
- '((":|:" . (":|" . "|:"))
- ("|" . ("|" . ""))
- ("|s" . (nil . "|"))
- ("|:" . ("|" . "|:"))
- ("|." . ("|." . nil))
- (".|" . (nil . ".|"))
- (":|" . (":|" . nil))
- ("||" . ("||" . nil))
- (".|." . (".|." . nil))
- ("scorebar" . (nil . "scorepostbreak"))
- ("brace" . (nil . "brace"))
- ("bracket" . (nil . "bracket"))
- )
- )))
-
- (if (equal? result #f)
- (ly-warn (string-append "Unknown bar glyph: `" glyph "'"))
- (index-cell (cdr result) dir))
- )
- )
-
-
-(define major-scale
- '(
- (0 . 0)
- (1 . 0)
- (2 . 0)
- (3 . 0)
- (4 . 0)
- (5 . 0)
- (6 . 0)
- )
- )
+(define (cons-map f x)
+ "map F to contents of X"
+ (cons (f (car x)) (f (cdr x))))
+
+
+(define-public (list-insert-separator lst between)
+ "Create new list, inserting BETWEEN between elements of LIST"
+ (define (conc x y )
+ (if (eq? y #f)
+ (list x)
+ (cons x (cons between y))
+ ))
+ (fold-right conc #f lst))
+
+;;;;;;;;;;;;;;;;
+; other
+(define (sign x)
+ (if (= x 0)
+ 0
+ (if (< x 0) -1 1)))
+
+(define-public (symbol<? l r)
+ (string<? (symbol->string l) (symbol->string r)))
+
+(define-public (!= l r)
+ (not (= l r)))
+
+(define-public (ly:load x)
+ (let* (
+ (fn (%search-load-path x))
+
+ )
+ (if (ly:get-option 'verbose)
+ (format (current-error-port) "[~A]" fn))
+ (primitive-load fn)))
+
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; output
+(use-modules (scm output-tex)
+ (scm output-sketch)
+ (scm output-sodipodi)
+ (scm output-pdftex))
+
+(define output-alist
+ `(
+ ("tex" . ("TeX output. The default output form." ,tex-output-expression))
+ ("scm" . ("Scheme dump: debug scheme stencil expressions" ,write))
+ ("sketch" . ("Bare bones Sketch output." ,sketch-output-expression))
+ ("sodipodi" . ("Bare bones Sodipodi output." ,sodipodi-output-expression))
+ ("pdftex" . ("PDFTeX output. Was last seen nonfunctioning." ,pdftex-output-expression))
+ ))
+
+
+(define (document-format-dumpers)
+ (map
+ (lambda (x)
+ (display (string-append (pad-string-to 5 (car x)) (cadr x) "\n"))
+ output-alist)
+ ))
+
+(define-public (find-dumper format)
+ (let ((d (assoc format output-alist)))
+ (if (pair? d)
+ (caddr d)
+ (scm-error "Could not find dumper for format ~s" format))))
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; other files.
+
+(for-each ly:load
+ ;; load-from-path
+ '("define-music-types.scm"
+ "output-lib.scm"
+ "c++.scm"
+ "chord-ignatzek-names.scm"
+ "chord-entry.scm"
+ "chord-generic-names.scm"
+ "stencil.scm"
+ "new-markup.scm"
+ "bass-figure.scm"
+ "music-functions.scm"
+ "part-combiner.scm"
+ "define-music-properties.scm"
+ "auto-beam.scm"
+ "chord-name.scm"
+
+ "define-context-properties.scm"
+ "translation-functions.scm"
+ "script.scm"
+ "midi.scm"
+
+ "beam.scm"
+ "clef.scm"
+ "slur.scm"
+; "font.scm"
+ "new-font.scm"
+
+ "define-markup-commands.scm"
+ "define-grob-properties.scm"
+ "define-grobs.scm"
+ "define-grob-interfaces.scm"
+
+ "page-layout.scm"
+ "paper.scm"
+ ))
+
+
+(set! type-p-name-alist
+ `(
+ (,boolean-or-symbol? . "boolean or symbol")
+ (,boolean? . "boolean")
+ (,char? . "char")
+ (,grob-list? . "list of grobs")
+ (,hash-table? . "hash table")
+ (,input-port? . "input port")
+ (,integer? . "integer")
+ (,list? . "list")
+ (,ly:context? . "context")
+ (,ly:dimension? . "dimension, in staff space")
+ (,ly:dir? . "direction")
+ (,ly:duration? . "duration")
+ (,ly:grob? . "layout object")
+ (,ly:input-location? . "input location")
+ (,ly:moment? . "moment")
+ (,ly:music? . "music")
+ (,ly:pitch? . "pitch")
+ (,ly:translator? . "translator")
+ (,ly:font-metric? . "font metric")
+ (,markup-list? . "list of markups")
+ (,markup? . "markup")
+ (,ly:music-list? . "list of music")
+ (,number-or-grob? . "number or grob")
+ (,number-or-string? . "number or string")
+ (,number-pair? . "pair of numbers")
+ (,number? . "number")
+ (,output-port? . "output port")
+ (,pair? . "pair")
+ (,procedure? . "procedure")
+ (,scheme? . "any type")
+ (,string? . "string")
+ (,symbol? . "symbol")
+ (,vector? . "vector")
+ ))
+
+
+;; debug mem leaks
+
+(define gc-protect-stat-count 0)
+(define-public (dump-gc-protects)
+ (set! gc-protect-stat-count (1+ gc-protect-stat-count) )
+ (let*
+ ((protects (sort
+ (hash-table->alist (ly:protects))
+ (lambda (a b)
+ (< (object-address (car a))
+ (object-address (car b))))))
+ (outfile (open-file (string-append
+ "gcstat-" (number->string gc-protect-stat-count)
+ ".scm"
+ ) "w"))
+ )
+
+ (display
+ (filter
+ (lambda (x) (not (symbol? x)))
+ (map (lambda (y)
+ (let
+ ((x (car y))
+ (c (cdr y)))
+
+ (string-append
+ (string-join
+ (map object->string (list (object-address x) c x))
+ " ")
+ "\n")))
+ protects))
+ outfile)
+
+ ))
+