X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=scm%2Flily.scm;h=65c861cca745ee99882ecefe109b45d21159ff4a;hb=2086beff8cd9949318c97a2a531edb8f04f45f8c;hp=43addde67b98ce81b16dd17829882b831752ccd9;hpb=cd34920469737ecbcebd1cea4be97ab2f8c1bea7;p=lilypond.git

diff --git a/scm/lily.scm b/scm/lily.scm
index 43addde67b..65c861cca7 100644
--- a/scm/lily.scm
+++ b/scm/lily.scm
@@ -1,106 +1,150 @@
-;;;; lily.scm -- implement Scheme output routines for TeX and PostScript
+;;; 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>
+;;;; (c) 1998--2002 Jan Nieuwenhuizen <janneke@gnu.org>
 ;;;; Han-Wen Nienhuys <hanwen@cs.uu.nl>
 
 ;;; Library functions
 
+
 (use-modules (ice-9 regex))
 
-;;(write standalone (current-error-port))
 
 ;;; General settings
+;; debugging evaluator is slower.
 
+(debug-enable 'debug)
+;(debug-enable 'backtrace)
+(read-enable 'positions)
 
 
-
-(debug-enable 'backtrace)
-
-
-(define point-and-click #f)
-(define security-paranoia #f)
-(define midi-debug #f)
-
-(define (line-column-location line col file)
+(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 (line-location line col file)
+(define-public (line-location line col file)
   "Print an input location, without column number ."
   (string-append (number->string line) " " file)
   )
 
+(define-public point-and-click #f)
+
 ;; 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  '())
 
-(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)
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 
+(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)
 
-;;; Un-assorted stuff
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; lily specific variables.
+(define-public default-script-alist '())
 
-;; URG guile-1.4/1.4.x compatibility
-(if (not (defined? 'primitive-eval))
-    (define (primitive-eval form)
-      (eval2 form #f)))
+(define-public security-paranoia #f)
 
-(define (sign x)
-  (if (= x 0)
-      0
-      (if (< x 0) -1 1)))
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;;; Unassorted utility functions.
 
-(define (write-me n x)
-  (display n)
-  (write x)
-  (newline)
-  x)
 
-(define (empty? x)
-  (equal? x '()))
+;;;;;;;;;;;;;;;;
+; 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 (assoc-get key alist)
+  "Return value if KEY in ALIST, else #f."
+  (let ((entry (assoc key alist)))
+    (if entry (cdr entry) #f)))
+  
+(define (assoc-get-default key alist default)
+  "Return value if KEY in ALIST, else DEFAULT."
+  (let ((entry (assoc key alist)))
+    (if entry (cdr entry) default)))
 
-(define (!= l r)
-  (not (= l r)))
 
-(define (filter-list pred? list)
-  "return that part of LIST for which PRED is true."
+(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))))
+
+;;;;;;;;;;;;;;;;
+; list
+(define (tail lst)
+  "Return tail element of LST."
+  (car (last-pair lst)))
+
+
+(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."
+  (if (pair? a)
+      (if (pair? b)
+	  (if (member (car a) b)
+	      (list-minus (cdr a) b)
+	      (cons (car a) (list-minus (cdr a) b)))
+	  a)
+      '()))
+
+;; why -list suffix (see reduce-list)
+(define-public (filter-list pred? list)
+  "return that part of LIST for which PRED is true.
+
+ TODO: rewrite using accumulator. Now it takes O(n) stack. "
+  
   (if (null? list) '()
-      (let* ((rest  (filter-list pred? (cdr list))))
-	(if (pred?  (car 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."
+(define-public (filter-out-list pred? list)
+  "return that part of LIST for which PRED is false."
   (if (null? list) '()
-      (let* ((rest  (filter-list pred? (cdr list))))
-	(if (not (pred?  (car list)))
+      (let* ((rest (filter-out-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)
+(define (first-n n lst)
+  "Return first N elements of LST"
+  (if (and (pair? lst)
+	   (> n 0))
+      (cons (car lst) (first-n (- n 1) (cdr lst)))
+      '()))
+
+(define-public (uniq-list list)
   (if (null? list) '()
       (if (null? (cdr list))
 	  list
@@ -108,76 +152,282 @@
 	      (uniq-list (cdr list))
 	      (cons (car list) (uniq-list (cdr list)))))))
 
-(define (alist<? x y)
-  (string<? (symbol->string (car x))
-	    (symbol->string (car y))))
+(define (butfirst-n n lst)
+  "Return all but first N entries of LST"
+  (if (pair? lst)
+      (if (> n 0)
+	  (butfirst-n (- n 1) (cdr lst))
+	  lst)
+      '()))
+  
+(define (split-at 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 (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)
+
+  ))
+ (let*
+    ((c (cons '() '()))
+     )
+  (inner-split predicate l  c)
+  (set-car! c (reverse! (car c))) 
+  c)
+)
+
+
+(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))
+
+"
+
+(define (split-one sep?  l acc)
+  "Split off the first parts before separator and return both parts.
+
+"
+  ;; " KUT EMACS
+  (if (null? l)
+      (cons acc '())
+      (if (sep? (car l))
+	  (cons acc (cdr l))
+	  (split-one sep? (cdr l) (cons (car l) acc))
+	  )
+      ))
+
+(if (null? l)
+    '()
+    (let* ((c (split-one sep? l '())))
+      (cons (reverse! (car c) '()) (split-list (cdr c) sep?))
+      )
+    )
+)
+
+
+(define (other-axis a)
+  (remainder (+ a 1) 2))
+  
+
+(define-public (widen-interval iv amount)
+   (cons (- (car iv) amount)
+         (+ (cdr iv) amount))
+)
+
+(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)))
+
+(define (cons-map f x)
+  "map F to contents of X"
+  (cons (f (car x)) (f (cdr x))))
+
+;; used where?
+(define-public (reduce operator list)
+  "reduce OP [A, B, C, D, ... ] =
+   A op (B op (C ... ))
+"
+      (if (null? (cdr list)) (car list)
+	  (operator (car list) (reduce operator (cdr list)))))
+
+(define (take-from-list-until todo gathered crit?)
+  "return (G, T), where (reverse G) + T = GATHERED + TODO, and the last of G
+is the  first to satisfy CRIT
+
+ (take-from-list-until '(1 2 3  4 5) '() (lambda (x) (eq? x 3)))
+=>
+ ((3 2 1) 4 5)
+
+"
+  (if (null? todo)
+      (cons gathered todo)
+      (if (crit? (car todo))
+	  (cons (cons (car todo) gathered) (cdr todo))
+	  (take-from-list-until (cdr todo) (cons (car todo) gathered) crit?)
+      )
+  ))
+
+(define-public (list-insert-separator list between)
+  "Create new list, inserting BETWEEN between elements of LIST"
+  (if (null? list)
+      '()
+      (if (null? (cdr list))
+	  list
+	  (cons (car list)
+		(cons between (list-insert-separator (cdr list) between)))
+  
+  )))
+
+;;;;;;;;;;;;;;;;
+; strings.
+
+
+;; TODO : make sep optional.
+(define-public (string-join str-list sep)
+  "append the list of strings in STR-LIST, joining them with SEP"
+  
+  (apply string-append (list-insert-separator str-list sep))
+  )
 
+(define-public (pad-string-to str wid)
+  (string-append str (make-string (max (- wid (string-length str)) 0) #\ ))
+  )
 
-(define (ly-load x) (eval-string (ly-gulp-file x)))
+;;;;;;;;;;;;;;;;
+; other
+(define (sign x)
+  (if (= x 0)
+      0
+      (if (< x 0) -1 1)))
 
-(ly-load "output-lib.scm")
+(define-public (!= l r)
+  (not (= l r)))
 
+(define-public (ly:load x)
+  (let* (
+	 (fn (%search-load-path x))
 
+	 )
+    (if (ly:verbose)
+	(format (current-error-port) "[~A]" fn))
+    (primitive-load fn)))
 
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;;  output
 (use-modules (scm tex)
 	     (scm ps)
 	     (scm pysk)
 	     (scm ascii-script)
 	     (scm sketch)
+	     (scm sodipodi)
+	     (scm pdftex)
 	     )
 
 (define output-alist
   `(
-    ("tex" . ,tex-output-expression)
-    ("ps" . ,ps-output-expression)
-    ("scm" . ,write)
-    ("as" . ,as-output-expression)
-    ("pysk" . ,pysk-output-expression)
-    ("sketch" . ,sketch-output-expression)
-))
-
-
-(define (find-dumper format )
+    ("tex" . ("TeX output. The default output form." ,tex-output-expression))
+    ("ps" . ("Direct postscript. Requires setting GS_LIB and GS_FONTPATH" ,ps-output-expression))
+    ("scm" . ("Scheme dump: debug scheme molecule expressions" ,write))
+    ("as" . ("Asci-script. Postprocess with as2txt to get ascii art"  ,as-output-expression))
+    ("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)
-		(cdr d)
-	     scm-output-expression)
-	    ))
-
-
-(define X 0)
-(define Y 1)
-(define LEFT -1)
-(define RIGHT 1)
-(define UP 1)
-(define DOWN -1)
-(define CENTER 0)
-
-(if (not standalone)
-    (map ly-load
-					; load-from-path
-	 '("output-lib.scm"
-      	   "c++.scm"
-	   "molecule.scm"
-	   "bass-figure.scm"
-	   "grob-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"
-	   "basic-properties.scm"
-	   "chord-name.scm"
-	   "grob-description.scm"
-	   "translator-property-description.scm"
-	   "script.scm"
-	   "drums.scm"
-	   "midi.scm"
-	   )))
+    (if (pair? d)
+	(caddr d)
+	(scm-error "Could not find dumper for format ~s" format))
+    ))
 
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; other files.
+
+(map ly:load
+					; load-from-path
+     '("music-types.scm"
+       "output-lib.scm"
+       "c++.scm"
+       "chords-ignatzek.scm"
+       "chord-entry.scm"
+       "double-plus-new-chord-name.scm"
+       "molecule.scm"
+       "new-markup.scm"
+       "bass-figure.scm"
+       "music-functions.scm"
+       "music-property-description.scm"
+       "auto-beam.scm"
+       "basic-properties.scm"
+       "chord-name.scm"
+       "translator-property-description.scm"
+       "script.scm"
+       "drums.scm"
+       "midi.scm"
+
+       "beam.scm"
+       "clef.scm"
+       "slur.scm"
+       "font.scm"
+       
+       "grob-property-description.scm"
+       "grob-description.scm"
+       "context-description.scm"
+       "interface-description.scm"
+       ))
+
+
+       
+
+
+(set! type-p-name-alist
+  `(
+   (,ly:dir? . "direction")
+   (,scheme? . "any type")
+   (,number-pair? . "pair of numbers")
+   (,ly:input-location? . "input location")   
+   (,ly:grob? . "grob (GRaphical OBject)")
+   (,grob-list? . "list of grobs")
+   (,ly:duration? . "duration")
+   (,pair? . "pair")
+   (,integer? . "integer")
+   (,list? . "list")
+   (,symbol? . "symbol")
+   (,string? . "string")
+   (,boolean? . "boolean")
+   (,ly:pitch? . "pitch")
+   (,ly:moment? . "moment")
+   (,ly:dimension? . "dimension, in staff space")
+   (,ly:input-location? . "input location")
+   (,music-list? . "list of music")
+   (,ly:music? . "music")
+   (,number? . "number")
+   (,char? . "char")
+   (,input-port? . "input port")
+   (,output-port? . "output port")   
+   (,vector? . "vector")
+   (,procedure? . "procedure") 
+   (,boolean-or-symbol? . "boolean or symbol")
+   (,number-or-string? . "number or string")
+   (,markup? . "markup")
+   (,markup-list? . "list of markups")
+   (,number-or-grob? . "number or grob")
+   ))