tracer for multiple values is added

lib/.vimview/~=+Work=+ikarus-scheme=+lib=+libchezio.ss=

@@ -94,11 +94,41 @@ setlocal nowinfixwidth
 setlocal wrap
 setlocal wrapmargin=0
 silent! normal! zE
-let s:l = 3 - ((2 * winheight(0) + 15) / 31)
+2,22fold
+24,234fold
+236,390fold
+392,493fold
+495,593fold
+595,672fold
+674,691fold
+693,708fold
+710,727fold
+729,744fold
+2
+normal zc
+24
+normal zc
+236
+normal zc
+392
+normal zc
+495
+normal zc
+595
+normal zc
+674
+normal zc
+693
+normal zc
+710
+normal zc
+729
+normal zc
+let s:l = 1 - ((0 * winheight(0) + 16) / 32)
 if s:l < 1 | let s:l = 1 | endif
 exe s:l
 normal! zt
-3
+1
 normal! 0
 let &so = s:so_save | let &siso = s:siso_save
 doautoall SessionLoadPost

lib/.vimview/~=+Work=+ikarus-scheme=+lib=+libcompile.ss=

@@ -1,5 +1,6 @@
 let s:so_save = &so | let s:siso_save = &siso | set so=0 siso=0
 argglobal
+setlocal noarabic
 setlocal autoindent
 setlocal autoread
 setlocal nobinary
@@ -48,6 +49,7 @@ setlocal indentexpr=
 setlocal indentkeys=0{,0},:,0#,!^F,o,O,e
 setlocal noinfercase
 setlocal iskeyword=33,35-39,42-58,60-90,94,95,97-122,126,_
+setlocal keymap=
 setlocal keywordprg=
 setlocal nolinebreak
 setlocal lisp
@@ -65,6 +67,8 @@ setlocal nopreserveindent
 setlocal nopreviewwindow
 setlocal quoteescape=\\
 setlocal noreadonly
+setlocal norightleft
+setlocal rightleftcmd=search
 setlocal noscrollbind
 setlocal shiftwidth=2
 setlocal noshortname
@@ -179,11 +183,11 @@ normal zc
 normal zc
 3951
 normal zc
-let s:l = 1 - ((0 * winheight(0) + 10) / 20)
+let s:l = 16 - ((15 * winheight(0) + 15) / 31)
 if s:l < 1 | let s:l = 1 | endif
 exe s:l
 normal! zt
-1
+16
 normal! 0
 let &so = s:so_save | let &siso = s:siso_save
 doautoall SessionLoadPost

lib/libtrace.ss

@@ -29,14 +29,25 @@
                (dynamic-wind
                  (lambda () (set! k* (cons f k*)))
                  (lambda () 
-                   (let ([v 
-                          (call/cf
-                            (lambda (nf)
-                              (set! f nf)
-                              (set-car! k* nf)
-                              (apply proc args)))])
-                     (display-trace k* v)
-                     v))
+                   (call-with-values
+                     (lambda ()
+                       (call/cf
+                         (lambda (nf)
+                           (set! f nf)
+                           (set-car! k* nf)
+                           (apply proc args))))
+                     (lambda v*
+                       (display-prefix k* #t)
+                       (unless (null? v*)
+                         (write (car v*))
+                         (let f ([v* (cdr v*)])
+                           (cond
+                             [(null? v*) (newline)]
+                             [else
+                              (write-char #\space)
+                              (write (car v*))
+                              (f (cdr v*))])))
+                       (apply values v*))))
                  (lambda () (set! k* (cdr k*))))]))))))
       
   (define traced-symbols '())

lib/record-case.ss

@@ -3,25 +3,23 @@
   (lambda (x)
     (define (enumerate fld* i)
       (syntax-case fld* ()
-       [() #'()]
-       [(x . x*) 
-        (with-syntax ([i i] [i* (enumerate #'x* (fx+ i 1))])
-          #'(i . i*))]))
+        [() #'()]
+        [(x . x*) 
+         (with-syntax ([i i] [i* (enumerate #'x* (fx+ i 1))])
+           #'(i . i*))]))
     (define (generate-body ctxt cls*)
       (syntax-case cls* (else)
-       [() (with-syntax ([x x]) #'(error #f "unmatched ~s in ~s" v #'x))]
-       [([else b b* ...])  #'(begin b b* ...)]
-       [([(rec-name rec-field* ...) b b* ...] . rest) (identifier? #'rec-name)
-        (with-syntax ([altern (generate-body ctxt #'rest)]
-                      [(id* ...) (enumerate #'(rec-field* ...) 0)]
-                      [rtd #'(type-descriptor rec-name)])
-         #'(if ($record/rtd? v rtd)
-             ;((record-predicate rtd) v)
-               (let ([rec-field* ($record-ref v id*)] ...)
-                     ; ((record-field-accessor rtd id*) v)] ...)
-                 b b* ...)
-               altern))]))
+        [() (with-syntax ([x x]) #'(error #f "unmatched ~s in ~s" v #'x))]
+        [([else b b* ...])  #'(begin b b* ...)]
+        [([(rec-name rec-field* ...) b b* ...] . rest) (identifier? #'rec-name)
+         (with-syntax ([altern (generate-body ctxt #'rest)]
+                       [(id* ...) (enumerate #'(rec-field* ...) 0)]
+                       [rtd #'(type-descriptor rec-name)])
+          #'(if ($record/rtd? v rtd)
+                (let ([rec-field* ($record-ref v id*)] ...)
+                  b b* ...)
+                altern))]))
     (syntax-case x ()
-     [(_ expr cls* ...)
-      (with-syntax ([body (generate-body #'_ #'(cls* ...))])
-        #'(let ([v expr]) body))])))
+      [(_ expr cls* ...)
+       (with-syntax ([body (generate-body #'_ #'(cls* ...))])
+         #'(let ([v expr]) body))])))