+++ /dev/null
-; 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>
-
-; TODO
-; - naming
-; - ready ps code (draw_bracket) vs tex/ps macros/calls (pianobrace),
-; all preparations from ps,tex to scm
-
-;;; library funtions
-(define
- (xnumbers->string l)
- (string-append
- (map (lambda (n) (string-append (number->string n ) " ")) l)))
-
-(define
- (numbers->string l)
- (apply string-append
- (map (lambda (n) (string-append (number->string n) " ")) 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)))))
-
-(define (inexact->string x radix)
- (let ((n (inexact->exact x)))
- (number->string n radix)))
-
-
-(define
- (control->string c)
- (string-append
- (string-append (number->string (car c)) " ")
- (string-append (number->string (cadr c)) " ")))
-
-
-
-(define
- (font i)
- (string-append
- "font"
- (make-string 1 (integer->char (+ (char->integer #\A) i)))
- ))
-
-
-
-(define (scm-scm action-name)
- 1)
-
-;;;;;;;;
-
-(define (empty)
- "")
-
-(define (empty1 a)
- "")
-
-(define (empty2 a b )
- "")
-
-
-(define emptybar empty1)
-(define setdynamic empty1)
-(define startrepeat empty1)
-(define repeatbar empty1)
-(define finishbar empty1)
-(define extender empty1)
-(define startbar empty1)
-(define repeatbarstartrepeat empty1)
-(define fatdoublebar empty1)
-(define setfinger empty1)
-
-
-(define (settext s) (text "text" s))
-(define (setnumber s) (text "number" s))
-(define (setbold s) (text "bold" s))
-(define (setitalic s) (text "italic" s))
-(define (setnumber-1 s) (text "numberj" s))
-
-
-
-;;;;;;;; TeX
-
-(define (tex-scm action-name)
-
- (define (unknown)
- "%\n\\unknown%\n")
-
- (define (beam width slope thick)
- (embedded-ps ((ps-scm 'beam) width slope thick)))
-
- (define (bracket h)
- (embedded-ps ((ps-scm 'bracket) h)))
-
- (define (dashed-slur thick dash l)
- (embedded-ps ((ps-scm 'dashed-slur) thick dash l)))
-
- (define (crescendo w h cont)
- (embedded-ps ((ps-scm 'crescendo) w h cont)))
-
- (define (decrescendo w h cont)
- (embedded-ps ((ps-scm 'decrescendo) w h cont)))
-
- (define (embedded-ps s)
- (string-append "\\embeddedps{" s "}"))
-
-
- (define (end-output)
- "\n\\EndLilyPondOutput")
-
- (define (experimental-on) "\\turnOnExperimentalFeatures")
-
- (define (extender o h)
- ((invoke-output o "invoke-dim1") "extender" h))
-
- (define (font-switch i)
- (string-append
- "\\" (font i) "\n"))
-
- (define (font-def i s)
- (string-append
- "\\font" (font-switch i) "=" s "\n"))
-
- (define (generalmeter num den)
- (string-append
- "\\generalmeter{" (number->string (inexact->exact num)) "}{" (number->string (inexact->exact den)) "}"))
-
- (define (header-end) "\\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 (char i)
- (string-append "\\show{" (inexact->string i 10) "}"))
-
- (define (invoke-dim1 s d)
- (string-append
- "\n\\" s "{" (number->dim d) "}"))
-
- (define (lily-def key val)
- (string-append
- "\\def\\" key "{" val "}\n"))
-
- (define (number->dim x)
- (string-append
- (number->string (chop-decimal x)) "pt "))
-
- (define (placebox x y s)
- (string-append
- "\\placebox{"
- (number->dim y) "}{" (number->dim x) "}{" s "}"))
-
- (define (pianobrace y)
- (define step 1.0)
- (define minht mudelapaperstaffheight)
- (define maxht (* 6 minht))
- (string-append
- "{\\bracefont " (char (/ (- (max y (- maxht step)) minht) step)) "}"))
-
- (define (rulesym h w)
- (string-append
- "\\vrule height " (number->dim (/ h 2))
- " depth " (number->dim (/ h 2))
- " width " (number->dim w)
- )
- )
-
- (define (slur l)
- (embedded-ps ((ps-scm 'slur) l)))
-
- (define (start-line)
- (string-append
- "\\hbox{%\n")
- )
-
- (define (stem kern width height depth)
- (string-append
- "\\kern" (number->dim kern)
- "\\vrule width " (number->dim width)
- "depth " (number->dim depth)
- "height " (number->dim height) " "))
-
- (define (stop-line)
- "}\\interscoreline")
-
- (define (text f s)
- (string-append "\\set" f "{" s "}"))
-
-
- (define (tuplet dx dy dir)
- (embedded-ps ((ps-scm 'tuplet) dx dy dir)))
-
- (define (volta w last)
- (embedded-ps ((ps-scm 'volta) w last)))
-
- (define (maatstreep h)
- (string-append "\\maatstreep{" (number->dim h) "}"))
-
- (cond ((eq? action-name 'all-definitions)
- `(begin
- (define beam ,beam)
- (define tuplet ,tuplet)
- (define bracket ,bracket)
- (define crescendo ,crescendo)
- (define volta ,volta)
- (define slur ,slur)
- (define dashed-slur ,dashed-slur)
- (define decrescendo ,decrescendo)
- (define empty ,empty)
- (define end-output ,end-output)
- (define font-def ,font-def)
- (define font-switch ,font-switch)
- (define generalmeter ,generalmeter)
- (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 rulesym ,rulesym)
- (define start-line ,start-line)
- (define stem ,stem)
- (define stop-line ,stop-line)
- (define text ,text)
- (define experimental-on ,experimental-on)
- (define char ,char)
- (define maatstreep ,maatstreep)
- (define pianobrace ,pianobrace)
- ))
-
- ((eq? action-name 'experimental-on) experimental-on)
- ((eq? action-name 'beam) beam)
- ((eq? action-name 'tuplet) tuplet)
- ((eq? action-name 'bracket) bracket)
- ((eq? action-name 'crescendo) crescendo)
- ((eq? action-name 'volta) volta)
- ((eq? action-name 'slur) slur)
- ((eq? action-name 'dashed-slur) dashed-slur)
- ((eq? action-name 'decrescendo) decrescendo)
- ((eq? action-name 'empty) empty)
- ((eq? action-name 'end-output) end-output)
- ((eq? action-name 'font-def) font-def)
- ((eq? action-name 'font-switch) font-switch)
- ((eq? action-name 'generalmeter) generalmeter)
- ((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 'rulesym) rulesym)
- ((eq? action-name 'start-line) start-line)
- ((eq? action-name 'stem) stem)
- ((eq? action-name 'stop-line) stop-line)
- (else (error "unknown tag -- PS-TEX " action-name))
- )
-
- )
-
-;;;;;;;;;;;; PS
-(define (ps-scm action-name)
- (define (beam width slope thick)
- (string-append
- (numbers->string (list width slope thick)) " draw_beam " ))
-
- (define (bracket h)
- (invoke-dim1 "draw_bracket" h))
-
- (define (crescendo w h cont)
- (string-append
- (numbers->string (list w h (inexact->exact cont)))
- "draw_crescendo"))
-
- (define (dashed-slur thick dash l)
- (string-append
- (apply string-append (map control->string l))
- (number->string thick)
- " [ "
- (if (> 1 dash) (number->string (- (* thick dash) thick)) "0") " "
- (number->string (* 2 thick))
- " ] 0 draw_dashed_slur"))
-
- (define (decrescendo w h cont)
- (string-append
- (numbers->string (list w h (inexact->exact cont)))
- "draw_decrescendo"))
-
- (define (empty)
- "\n empty\n")
-
- (define (end-output)
- "\nshowpage\n")
-
- (define (experimental-on) "")
-
- (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 (generalmeter num den)
- (string-append (number->string (inexact->exact num)) " " (number->string (inexact->exact den)) " generalmeter "))
-
- (define (header-end) "")
- (define (lily-def key val)
- (string-append
- "/" key " {" val "} bind def\n"))
-
- (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) " " s ))
-
- (define (placebox x y s)
- (string-append
- (number->string x) " " (number->string y) " {" s "} placebox "))
-
- (define (rulesym x y)
- (string-append
- (number->string x) " "
- (number->string y) " "
- "rulesym"))
-
- (define (slur l)
- (string-append
- (apply string-append (map control->string l))
- " draw_slur"))
-
- (define (start-line)
- "\nstart_line {\n")
-
- (define (stem kern width height depth)
- (string-append (numbers->string (list kern width height depth))
- "draw_stem" ))
-
- (define (stop-line)
- "}\nstop_line\n")
-
- (define (text f s)
- (string-append "(" s ") set" f " "))
-
-
- (define (volta w last)
- (string-append
- (numbers->string (list w (inexact->exact last)))
- "draw_volta"))
- (define (tuplet dx dy dir)
- (string-append
- (numbers->string (list dx dy (inexact->exact dir)))
- "draw_tuplet"))
-
-
- (define (unknown)
- "\n unknown\n")
-
-
- ; dispatch on action-name
- (cond ((eq? action-name 'all-definitions)
- `(begin
- (define beam ,beam)
- (define tuplet ,tuplet)
- (define bracket ,bracket)
- (define crescendo ,crescendo)
- (define volta ,volta)
- (define slur ,slur)
- (define dashed-slur ,dashed-slur)
- (define decrescendo ,decrescendo)
- (define empty ,empty)
- (define end-output ,end-output)
- (define font-def ,font-def)
- (define font-switch ,font-switch)
- (define generalmeter ,generalmeter)
- (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 rulesym ,rulesym)
- (define start-line ,start-line)
- (define stem ,stem)
- (define stop-line ,stop-line)
- (define text ,text)
- ))
- ((eq? action-name 'tuplet) tuplet)
- ((eq? action-name 'beam) beam)
- ((eq? action-name 'bracket) bracket)
- ((eq? action-name 'crescendo) crescendo)
- ((eq? action-name 'volta) volta)
- ((eq? action-name 'slur) slur)
- ((eq? action-name 'dashed-slur) dashed-slur)
- ((eq? action-name 'decrescendo) decrescendo)
- (else (error "unknown tag -- PS-SCM " action-name))
- )
- )
-
-
-
--- /dev/null
+; 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>
+
+; TODO
+; - naming
+; - ready ps code (draw_bracket) vs tex/ps macros/calls (pianobrace),
+; all preparations from ps,tex to scm
+
+;;; library funtions
+(define
+ (xnumbers->string l)
+ (string-append
+ (map (lambda (n) (string-append (number->string n ) " ")) l)))
+
+(define
+ (numbers->string l)
+ (apply string-append
+ (map (lambda (n) (string-append (number->string n) " ")) 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)))))
+
+(define (inexact->string x radix)
+ (let ((n (inexact->exact x)))
+ (number->string n radix)))
+
+
+(define
+ (control->string c)
+ (string-append
+ (string-append (number->string (car c)) " ")
+ (string-append (number->string (cadr c)) " ")))
+
+
+(define
+ (font i)
+ (string-append
+ "font"
+ (make-string 1 (integer->char (+ (char->integer #\A) i)))
+ ))
+
+
+
+(define (scm-scm action-name)
+ 1)
+
+(define security-paranoia #f)
+
+
+;;;;;;;;
+;;; UGH. THESE SUCK!
+
+(define (empty)
+ "")
+
+(define (empty1 a)
+ "")
+
+(define (empty2 a b )
+ "")
+
+
+(define emptybar empty1)
+(define setdynamic empty1)
+(define startrepeat empty1)
+(define repeatbar empty1)
+(define finishbar empty1)
+(define extender empty1)
+(define startbar empty1)
+(define repeatbarstartrepeat empty1)
+(define fatdoublebar empty1)
+(define setfinger empty1)
+(define doublebar empty1)
+
+;;; and these suck as well.
+(define (settext s) (text "text" s))
+(define (settypewriter s) (text "typewriter" s))
+(define (setnumber s) (text "number" s))
+(define (setbold s) (text "bold" s))
+(define (setitalic s) (text "italic" s))
+(define (setnumber-1 s) (text "numberj" s))
+
+
+
+;;;;;;;; TeX
+
+(define (tex-scm action-name)
+
+ (define (unknown)
+ "%\n\\unknown%\n")
+
+ (define (beam width slope thick)
+ (embedded-ps ((ps-scm 'beam) width slope thick)))
+
+ (define (bracket h)
+ (embedded-ps ((ps-scm 'bracket) h)))
+
+ (define (dashed-slur thick dash l)
+ (embedded-ps ((ps-scm 'dashed-slur) thick dash l)))
+
+ (define (crescendo w h cont)
+ (embedded-ps ((ps-scm 'crescendo) w h cont)))
+
+ (define (decrescendo w h cont)
+ (embedded-ps ((ps-scm 'decrescendo) w h cont)))
+
+ (define (embedded-ps s)
+ (string-append "\\embeddedps{" s "}"))
+
+
+ (define (end-output)
+ "\n\\EndLilyPondOutput")
+
+ (define (experimental-on) "\\turnOnExperimentalFeatures")
+
+ (define (extender o h)
+ ((invoke-output o "invoke-dim1") "extender" h))
+
+ (define (font-switch i)
+ (string-append
+ "\\" (font i) "\n"))
+
+ (define (font-def i s)
+ (string-append
+ "\\font" (font-switch i) "=" s "\n"))
+
+ (define (generalmeter num den)
+ (string-append
+ "\\generalmeter{" (number->string (inexact->exact num)) "}{" (number->string (inexact->exact den)) "}"))
+
+ (define (header-end) "\\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 (char i)
+ (string-append "\\show{" (inexact->string i 10) "}"))
+
+ (define (invoke-dim1 s d)
+ (string-append
+ "\n\\" s "{" (number->dim d) "}"))
+
+
+ ;;
+ ;; need to do something to make this really safe.
+ ;;
+ (if security-paranoia
+ (define (output-tex-string s)
+ (regexp-substitute/global #f "\\\\" s 'pre "$\\backslash$" 'post))
+ (define (output-tex-string s) s))
+
+ (define (lily-def key val)
+ (string-append
+ "\\def\\" (output-tex-string key) "{" (output-tex-string val) "}\n"))
+
+ (define (number->dim x)
+ (string-append
+ (number->string (chop-decimal x)) "pt "))
+
+ (define (placebox x y s)
+ (string-append
+ "\\placebox{"
+ (number->dim y) "}{" (number->dim x) "}{" s "}"))
+
+ (define (pianobrace y)
+ (define step 1.0)
+ (define minht mudelapaperstaffheight)
+ (define maxht (* 6 minht))
+ (string-append
+ "{\\bracefont " (char (/ (- (min y (- maxht step)) minht) step)) "}"))
+
+ (define (rulesym h w)
+ (string-append
+ "\\vrule height " (number->dim (/ h 2))
+ " depth " (number->dim (/ h 2))
+ " width " (number->dim w)
+ )
+ )
+
+ (define (slur l)
+ (embedded-ps ((ps-scm 'slur) l)))
+
+ (define (start-line)
+ (string-append
+ "\\hbox{%\n")
+ )
+
+ (define (stem kern width height depth)
+ (string-append
+ "\\kern" (number->dim kern)
+ "\\vrule width " (number->dim width)
+ "depth " (number->dim depth)
+ "height " (number->dim height) " "))
+
+ (define (stop-line)
+ "}\\interscoreline")
+
+ (define (text f s)
+ (string-append "\\set" f "{" (output-tex-string s) "}"))
+
+ (define (tuplet dx dy dir)
+ (embedded-ps ((ps-scm 'tuplet) dx dy dir)))
+
+ (define (volta w last)
+ (embedded-ps ((ps-scm 'volta) w last)))
+
+ (define (maatstreep h)
+ (string-append "\\maatstreep{" (number->dim h) "}"))
+
+ (cond ((eq? action-name 'all-definitions)
+ `(begin
+ (define beam ,beam)
+ (define tuplet ,tuplet)
+ (define bracket ,bracket)
+ (define crescendo ,crescendo)
+ (define volta ,volta)
+ (define slur ,slur)
+ (define dashed-slur ,dashed-slur)
+ (define decrescendo ,decrescendo)
+ (define empty ,empty)
+ (define end-output ,end-output)
+ (define font-def ,font-def)
+ (define font-switch ,font-switch)
+ (define generalmeter ,generalmeter)
+ (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 rulesym ,rulesym)
+ (define start-line ,start-line)
+ (define stem ,stem)
+ (define stop-line ,stop-line)
+ (define text ,text)
+ (define experimental-on ,experimental-on)
+ (define char ,char)
+ (define maatstreep ,maatstreep)
+ (define pianobrace ,pianobrace)
+ ))
+
+ ((eq? action-name 'experimental-on) experimental-on)
+ ((eq? action-name 'beam) beam)
+ ((eq? action-name 'tuplet) tuplet)
+ ((eq? action-name 'bracket) bracket)
+ ((eq? action-name 'crescendo) crescendo)
+ ((eq? action-name 'volta) volta)
+ ((eq? action-name 'slur) slur)
+ ((eq? action-name 'dashed-slur) dashed-slur)
+ ((eq? action-name 'decrescendo) decrescendo)
+ ((eq? action-name 'empty) empty)
+ ((eq? action-name 'end-output) end-output)
+ ((eq? action-name 'font-def) font-def)
+ ((eq? action-name 'font-switch) font-switch)
+ ((eq? action-name 'generalmeter) generalmeter)
+ ((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 'rulesym) rulesym)
+ ((eq? action-name 'start-line) start-line)
+ ((eq? action-name 'stem) stem)
+ ((eq? action-name 'stop-line) stop-line)
+ (else (error "unknown tag -- PS-TEX " action-name))
+ )
+
+ )
+
+;;;;;;;;;;;; PS
+(define (ps-scm action-name)
+ (define (beam width slope thick)
+ (string-append
+ (numbers->string (list width slope thick)) " draw_beam " ))
+
+ (define (bracket h)
+ (invoke-dim1 "draw_bracket" h))
+
+ (define (crescendo w h cont)
+ (string-append
+ (numbers->string (list w h (inexact->exact cont)))
+ "draw_crescendo"))
+
+ (define (dashed-slur thick dash l)
+ (string-append
+ (apply string-append (map control->string l))
+ (number->string thick)
+ " [ "
+ (if (> 1 dash) (number->string (- (* thick dash) thick)) "0") " "
+ (number->string (* 2 thick))
+ " ] 0 draw_dashed_slur"))
+
+ (define (decrescendo w h cont)
+ (string-append
+ (numbers->string (list w h (inexact->exact cont)))
+ "draw_decrescendo"))
+
+ (define (empty)
+ "\n empty\n")
+
+ (define (end-output)
+ "\nshowpage\n")
+
+ (define (experimental-on) "")
+
+ (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 (generalmeter num den)
+ (string-append (number->string (inexact->exact num)) " " (number->string (inexact->exact den)) " generalmeter "))
+
+ (define (header-end) "")
+ (define (lily-def key val)
+ (string-append
+ "/" key " {" val "} bind def\n"))
+
+ (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) " " s ))
+
+ (define (placebox x y s)
+ (string-append
+ (number->string x) " " (number->string y) " {" s "} placebox "))
+
+ (define (rulesym x y)
+ (string-append
+ (number->string x) " "
+ (number->string y) " "
+ "rulesym"))
+
+ (define (slur l)
+ (string-append
+ (apply string-append (map control->string l))
+ " draw_slur"))
+
+ (define (start-line)
+ "\nstart_line {\n")
+
+ (define (stem kern width height depth)
+ (string-append (numbers->string (list kern width height depth))
+ "draw_stem" ))
+
+ (define (stop-line)
+ "}\nstop_line\n")
+
+ (define (text f s)
+ (string-append "(" s ") set" f " "))
+
+
+ (define (volta w last)
+ (string-append
+ (numbers->string (list w (inexact->exact last)))
+ "draw_volta"))
+ (define (tuplet dx dy dir)
+ (string-append
+ (numbers->string (list dx dy (inexact->exact dir)))
+ "draw_tuplet"))
+
+
+ (define (unknown)
+ "\n unknown\n")
+
+
+ ; dispatch on action-name
+ (cond ((eq? action-name 'all-definitions)
+ `(begin
+ (define beam ,beam)
+ (define tuplet ,tuplet)
+ (define bracket ,bracket)
+ (define crescendo ,crescendo)
+ (define volta ,volta)
+ (define slur ,slur)
+ (define dashed-slur ,dashed-slur)
+ (define decrescendo ,decrescendo)
+ (define empty ,empty)
+ (define end-output ,end-output)
+ (define font-def ,font-def)
+ (define font-switch ,font-switch)
+ (define generalmeter ,generalmeter)
+ (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 rulesym ,rulesym)
+ (define start-line ,start-line)
+ (define stem ,stem)
+ (define stop-line ,stop-line)
+ (define text ,text)
+ ))
+ ((eq? action-name 'tuplet) tuplet)
+ ((eq? action-name 'beam) beam)
+ ((eq? action-name 'bracket) bracket)
+ ((eq? action-name 'crescendo) crescendo)
+ ((eq? action-name 'volta) volta)
+ ((eq? action-name 'slur) slur)
+ ((eq? action-name 'dashed-slur) dashed-slur)
+ ((eq? action-name 'decrescendo) decrescendo)
+ (else (error "unknown tag -- PS-SCM " action-name))
+ )
+ )
+
+
+