-; 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--2001 Jan Nieuwenhuizen <janneke@gnu.org>
+;;;; Han-Wen Nienhuys <hanwen@cs.uu.nl>
-
-;(debug-enable 'backtrace)
-
-;;; library funtions
+;;; Library functions
(use-modules (ice-9 regex))
-;; do nothing in .scm output
-(define (comment s)
- ""
- )
-
-(define
- (xnumbers->string l)
- (string-append
- (map (lambda (n) (string-append (number->string n ) " ")) l)))
-
-(define (mm-to-pt x)
- (* (/ 72.27 25.40) x)
- )
-
-(define (cons-map f x)
- (cons (f (car x)) (f (cdr x))))
-
-(define (reduce operator list)
- (if (null? (cdr list)) (car list)
- (operator (car list) (reduce operator (cdr list)))
- )
- )
-
-
-(define (glue-2-strings a b) (string-append a " " b))
-
-(define
- (numbers->string l)
- (reduce glue-2-strings (map 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)))))
-
-(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)) " ")))
+;;(write standalone (current-error-port))
+;;; General settings
-(define (font i)
- (string-append
- "font"
- (make-string 1 (integer->char (+ (char->integer #\A) i)))
- ))
+(debug-enable 'backtrace)
-
-(define (scm-scm action-name)
- 1)
-
+(define point-and-click #f)
(define security-paranoia #f)
+(define midi-debug #f)
-
-;; See documentation of Item::visibility_lambda_
-(define (postbreak-only-visibility d) (if (= d 1) '(#f . #f) '(#t . #t)))
-(define (spanbar-non-postbreak-visibility d) (if (= d -1) '(#t . #t) '(#f . #f)))
-(define (all-visibility d) '(#f . #f))
-(define (non-postbreak-visibility d) (if (= d 1) '(#t . #t) '(#f . #f)))
-(define (non-prebreak-visibility d) (if (= d -1) '(#t . #t) '(#f . #f)))
-
-
-;; Score_span_bars are only visible at start of line
-;; i.e. if break_dir == RIGHT == 1
-(define Span_bar_engraver-visibility non-postbreak-visibility)
-(define mark-visibility non-prebreak-visibility)
-(define Span_score_bar_engraver-visibility postbreak-only-visibility)
-(define Piano_bar_engraver-visibility postbreak-only-visibility)
-(define Staff_group_bar_engraver-visibility postbreak-only-visibility)
-
-;; 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 interlines? -- jcn)
-(define space-alist
- '(
- (("" "Clef_item") . (minimum-space 1.0))
- (("" "Staff_bar") . (minimum-space 0.0))
- (("" "Clef_item") . (minimum-space 1.0))
- (("" "Key_item") . (minimum-space 0.5))
- (("" "Span_bar") . (extra-space 0.0))
- (("" "Time_signature") . (extra-space 0.0))
- (("" "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))
- (("Span_bar" "Clef_item") . (extra-space 1.0))
- (("Clef_item" "Span_bar") . (minimum-space 3.7))
- (("Time_signature" "Span_bar") . (minimum-space 2.0))
- (("Key_item" "Span_bar") . (minimum-space 2.5))
- (("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))
- (("" "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))
- )
-)
-
-(define (break-align-spacer this next)
- (let ((entry (assoc `(,this ,next) space-alist)))
- (if entry
- (cdr entry)
- (begin (ly-warn (string-append "Unknown spacing pair `" this "', `" next "'"))
- '(minimum-space 0.0)))))
-
-
-;; Measured in interlines (urg: how to say #interline?)
-(define (stem-shorten flags) 0.5)
-(define (beamed-stem-shorten multiplicity) 0.5)
-
-
-;;;;;;;; TeX
-
-;; this is silly, can't we use something like
-;; roman-0, roman-1 roman+1 ?
-(define cmr-alist
- '(("bold" . "cmbx")
- ("dynamic" . "feta-din")
- ("feta" . "feta")
- ("feta-1" . "feta")
- ("feta-2" . "feta")
- ("finger" . "feta-nummer")
- ("typewriter" . "cmtt")
- ("italic" . "cmti")
- ("roman" . "cmr")
- ("script" . "cmr")
- ("large" . "cmbx")
- ("Large" . "cmbx")
- ("mark" . "feta-nummer")
- ("number" . "feta-nummer")
- ("volta" . "feta-nummer"))
-)
-
-(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))
- )
- )
- )
+(define (line-column-location line col file)
+ "Print an input location, including column number ."
+ (string-append (number->string line) ":"
+ (number->string col) " " file)
)
-(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 (articulation-to-scriptdef a)
- (assoc a script-alist)
+(define (line-location line col file)
+ "Print an input location, without column number ."
+ (string-append (number->string line) " " file)
)
-;; Map style names to TeX font names. Return false if
-;; no font name found.
-(define (style-to-cmr s)
- (assoc s cmr-alist )
- )
-
-
-
-(define font-name-alist '())
-(define (font-command name-mag)
- (cons name-mag
- (string-append "magfont"
- (string-encode-integer (hash (car name-mag) 1000000))
- "m"
- (string-encode-integer (cdr name-mag)))
-
- )
- )
-(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)
- ))
+;; cpp hack to get useful error message
+(define ifdef "First run this through cpp.")
+(define ifndef "First run this through cpp.")
+(define default-script-alist '())
+(define font-name-alist '())
-(define (tex-scm action-name)
- (define (unknown)
- "%\n\\unknown%\n")
-
-
- (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 (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 (dashed-slur thick dash l)
- (embedded-ps ((ps-scm 'dashed-slur) thick dash l)))
-
- (define (crescendo thick w h cont)
- (embedded-ps ((ps-scm 'crescendo) thick w h cont)))
-
- (define (char i)
- (string-append "\\char" (inexact->string i 10) " "))
-
- (define (decrescendo thick w h cont)
- (embedded-ps ((ps-scm 'decrescendo) thick w h cont)))
-
- ;This sets CTM so that you get to the currentpoint
- ; by executing a 0 0 moveto
-
-
-
-
- (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 "}"))
-
- (define (comment s)
- (string-append "% " s))
-
- (define (end-output)
- "\n\\EndLilyPondOutput")
-
- (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{! "
- ; fixed in 1.3.4
- ;(ly-gulp-file "lily.ps")
-
- (regexp-substitute/global #f "\n" (ly-gulp-file "lily.ps") 'pre " %\n" 'post)
- "}"
- "\\input lilyponddefs \\turnOnPostScript"))
-
- (define (header creator generate)
- (string-append
- "%created by: " creator generate))
-
- (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
- (regexp-substitute/global #f "\\\\" s 'pre "$\\backslash$" 'post)
- s))
-
- (define (lily-def key val)
- (string-append
- "\\def\\"
- ; fixed in 1.3.4
- (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
- (number->string (chop-decimal 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)
- (begin
- (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-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-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))
- )
- )
-
-
-;;;;;;;;;;;; PS
-(define (ps-scm action-name)
-
-
- ;; alist containing fontname -> fontcommand assoc (both strings)
- (define font-alist '())
- (define font-count 0)
- (define current-font "")
-
-
- (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) " "))
-
-
- ))
-
- (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"))
-
- (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 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
- (ly-gulp-file "lilyponddefs.ps")
- " {exch pop //systemdict /run get exec} "
- (ly-gulp-file "lily.ps")
- "{ exch pop //systemdict /run get exec } "
- ))
-
- (define (lily-def key val)
-
- (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")
- )
- )
-
- (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)
- (begin
- "\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-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-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))
- )
- )
+(if (not (defined? 'standalone))
+ (define standalone (not (defined? 'ly-gulp-file))))
+
+;; The regex module may not be available, or may be broken.
+(define use-regex
+ (let ((os (string-downcase (vector-ref (uname) 0))))
+ (not (equal? "cygwin" (substring os 0 (min 6 (string-length os)))))))
+
+;; If you have trouble with regex, define #f
+(define use-regex #t)
+;;(define use-regex #f)
+
+
+;;; Un-assorted stuff
+
+;; URG guile-1.4/1.4.x compatibility
+(if (not (defined? 'primitive-eval))
+ (define (primitive-eval form)
+ (eval2 form #f)))
+
+(define (sign x)
+ (if (= x 0)
+ 1
+ (if (< x 0) -1 1)))
+
+(define (write-me n x)
+ (display n)
+ (write x)
+ (newline)
+ x)
+
+(define (empty? x)
+ (equal? x '()))
+
+(define (!= l r)
+ (not (= l r)))
+
+(define (filter-list pred? list)
+ "return that part of LIST for which PRED is true."
+ (if (null? list) '()
+ (let* ((rest (filter-list pred? (cdr list))))
+ (if (pred? (car list))
+ (cons (car list) rest)
+ rest))))
+
+(define (filter-out-list pred? list)
+ "return that part of LIST for which PRED is true."
+ (if (null? list) '()
+ (let* ((rest (filter-list pred? (cdr list))))
+ (if (not (pred? (car list)))
+ (cons (car list) rest)
+ rest))))
+
+(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 (uniq-list list)
+ (if (null? list) '()
+ (if (null? (cdr list))
+ list
+ (if (equal? (car list) (cadr list))
+ (uniq-list (cdr list))
+ (cons (car list) (uniq-list (cdr list)))))))
+
+(define (alist<? x y)
+ (string<? (symbol->string (car x))
+ (symbol->string (car y))))
+
+
+(map (lambda (x) (eval-string (ly-gulp-file x)))
+ '("output-lib.scm"
+ "tex.scm"
+ "ps.scm" "sketch.scm"
+ "pdf.scm"
+ "pdftex.scm"
+ "ascii-script.scm"
+ ))
+
+(define ctor list)
+
+
+(define (ly-load x) (eval-string (ly-gulp-file x)))
+
+(if (not standalone)
+ (map ly-load
+ ; load-from-path
+ '("c++.scm"
+ "grob-property-description.scm"
+ "translator-property-description.scm"
+ "context-description.scm"
+ "interface-description.scm"
+ "beam.scm"
+ "clef.scm"
+ "slur.scm"
+ "font.scm"
+ "music-functions.scm"
+ "music-property-description.scm"
+ "auto-beam.scm"
+ "generic-property.scm"
+ "basic-properties.scm"
+ "chord-name.scm"
+ "grob-description.scm"
+ "script.scm"
+ "drums.scm"
+ "midi.scm"
+ )))
-(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))
-
-(define (scm-gulp-file name)
- (set! %load-path
- (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)))
-
-
-; Russ McManus, <mcmanus@IDT.NET>
-;
-; I use the following, which should definitely be provided somewhere
-; in guile, but isn't, AFAIK:
-;
-;
-
-(define (hash-table-for-each fn ht)
- (do ((i 0 (+ 1 i)))
- ((= i (vector-length ht)))
- (do ((alist (vector-ref ht i) (cdr alist)))
- ((null? alist) #t)
- (fn (car (car alist)) (cdr (car alist))))))
-
-(define (hash-table-map fn ht)
- (do ((i 0 (+ 1 i))
- (ret-ls '()))
- ((= i (vector-length ht)) (reverse ret-ls))
- (do ((alist (vector-ref ht i) (cdr alist)))
- ((null? alist) #t)
- (set! ret-ls (cons (fn (car (car alist)) (cdr (car alist))) ret-ls)))))
-
-
-;; guile-1.3.4 has list->string
-(define (scmlist->string exp)
- (list->string exp))
-
-;; obsolete, maybe handy for testing
-;; print a SCM expression. Isn't this part of the std lib?
-(define (xxscmlist->string exp)
- (cond
- ((null? (car exp)) (begin (display ("urg:") (newline))))
- ((pair? (cdr exp)) (string-append (scm->string (car exp)) " " (scmlist->string (cdr exp))))
- ((eq? '() (cdr exp)) (string-append (scm->string (car exp)) ")"))
- ;; howto check for quote?
- (else (string-append (scm->string (car exp)) " . " (scm->string (cdr exp)) ")"))
- ))
-
-(define (scm->string exp)
- (cond
- ((pair? exp) (string-append "(" (scmlist->string exp)))
- ((number? exp) (number->string exp))
- ((symbol? exp) (symbol->string exp))
- ((string? exp) (string-append "\"" exp "\""))
- ;; probably: #@quote
- (else (begin (display "programming error: scm->string: ") (newline) "'"))
- ))