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-rw-r--r--plug-ins/script-fu/scripts/script-fu.init716
1 files changed, 716 insertions, 0 deletions
diff --git a/plug-ins/script-fu/scripts/script-fu.init b/plug-ins/script-fu/scripts/script-fu.init
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+++ b/plug-ins/script-fu/scripts/script-fu.init
@@ -0,0 +1,716 @@
+; Initialization file for TinySCHEME 1.40
+
+; Per R5RS, up to four deep compositions should be defined
+(define (caar x) (car (car x)))
+(define (cadr x) (car (cdr x)))
+(define (cdar x) (cdr (car x)))
+(define (cddr x) (cdr (cdr x)))
+(define (caaar x) (car (car (car x))))
+(define (caadr x) (car (car (cdr x))))
+(define (cadar x) (car (cdr (car x))))
+(define (caddr x) (car (cdr (cdr x))))
+(define (cdaar x) (cdr (car (car x))))
+(define (cdadr x) (cdr (car (cdr x))))
+(define (cddar x) (cdr (cdr (car x))))
+(define (cdddr x) (cdr (cdr (cdr x))))
+(define (caaaar x) (car (car (car (car x)))))
+(define (caaadr x) (car (car (car (cdr x)))))
+(define (caadar x) (car (car (cdr (car x)))))
+(define (caaddr x) (car (car (cdr (cdr x)))))
+(define (cadaar x) (car (cdr (car (car x)))))
+(define (cadadr x) (car (cdr (car (cdr x)))))
+(define (caddar x) (car (cdr (cdr (car x)))))
+(define (cadddr x) (car (cdr (cdr (cdr x)))))
+(define (cdaaar x) (cdr (car (car (car x)))))
+(define (cdaadr x) (cdr (car (car (cdr x)))))
+(define (cdadar x) (cdr (car (cdr (car x)))))
+(define (cdaddr x) (cdr (car (cdr (cdr x)))))
+(define (cddaar x) (cdr (cdr (car (car x)))))
+(define (cddadr x) (cdr (cdr (car (cdr x)))))
+(define (cdddar x) (cdr (cdr (cdr (car x)))))
+(define (cddddr x) (cdr (cdr (cdr (cdr x)))))
+
+;;;; Utility to ease macro creation
+(define (macro-expand form)
+ ((eval (get-closure-code (eval (car form)))) form))
+
+(define (macro-expand-all form)
+ (if (macro? form)
+ (macro-expand-all (macro-expand form))
+ form))
+
+(define *compile-hook* macro-expand-all)
+
+
+(macro (unless form)
+ `(if (not ,(cadr form)) (begin ,@(cddr form))))
+
+(macro (when form)
+ `(if ,(cadr form) (begin ,@(cddr form))))
+
+; DEFINE-MACRO Contributed by Andy Gaynor
+(macro (define-macro dform)
+ (if (symbol? (cadr dform))
+ `(macro ,@(cdr dform))
+ (let ((form (gensym)))
+ `(macro (,(caadr dform) ,form)
+ (apply (lambda ,(cdadr dform) ,@(cddr dform)) (cdr ,form))))))
+
+; Utilities for math. Notice that inexact->exact is primitive,
+; but exact->inexact is not.
+(define exact? integer?)
+(define (inexact? x) (and (real? x) (not (integer? x))))
+(define (even? n) (= (remainder n 2) 0))
+(define (odd? n) (not (= (remainder n 2) 0)))
+(define (zero? n) (= n 0))
+(define (positive? n) (> n 0))
+(define (negative? n) (< n 0))
+(define complex? number?)
+(define rational? real?)
+(define (abs n) (if (>= n 0) n (- n)))
+(define (exact->inexact n) (* n 1.0))
+(define (<> n1 n2) (not (= n1 n2)))
+
+; min and max must return inexact if any arg is inexact; use (+ n 0.0)
+(define (max . lst)
+ (foldr (lambda (a b)
+ (if (> a b)
+ (if (exact? b) a (+ a 0.0))
+ (if (exact? a) b (+ b 0.0))))
+ (car lst) (cdr lst)))
+(define (min . lst)
+ (foldr (lambda (a b)
+ (if (< a b)
+ (if (exact? b) a (+ a 0.0))
+ (if (exact? a) b (+ b 0.0))))
+ (car lst) (cdr lst)))
+
+(define (succ x) (+ x 1))
+(define (pred x) (- x 1))
+(define gcd
+ (lambda a
+ (if (null? a)
+ 0
+ (let ((aa (abs (car a)))
+ (bb (abs (cadr a))))
+ (if (= bb 0)
+ aa
+ (gcd bb (remainder aa bb)))))))
+(define lcm
+ (lambda a
+ (if (null? a)
+ 1
+ (let ((aa (abs (car a)))
+ (bb (abs (cadr a))))
+ (if (or (= aa 0) (= bb 0))
+ 0
+ (abs (* (quotient aa (gcd aa bb)) bb)))))))
+
+
+(define (string . charlist)
+ (list->string charlist))
+
+(define (list->string charlist)
+ (let* ((len (length charlist))
+ (newstr (make-string len))
+ (fill-string!
+ (lambda (str i len charlist)
+ (if (= i len)
+ str
+ (begin (string-set! str i (car charlist))
+ (fill-string! str (+ i 1) len (cdr charlist)))))))
+ (fill-string! newstr 0 len charlist)))
+
+(define (string-fill! s e)
+ (let ((n (string-length s)))
+ (let loop ((i 0))
+ (if (= i n)
+ s
+ (begin (string-set! s i e) (loop (succ i)))))))
+
+(define (string->list s)
+ (let loop ((n (pred (string-length s))) (l '()))
+ (if (= n -1)
+ l
+ (loop (pred n) (cons (string-ref s n) l)))))
+
+(define (string-copy str)
+ (string-append str))
+
+(define (string->anyatom str pred)
+ (let* ((a (string->atom str)))
+ (if (pred a) a
+ (error "string->xxx: not a xxx" a))))
+
+(define (string->number str . base)
+ (let ((n (string->atom str (if (null? base) 10 (car base)))))
+ (if (number? n) n #f)))
+
+(define (anyatom->string n pred)
+ (if (pred n)
+ (atom->string n)
+ (error "xxx->string: not a xxx" n)))
+
+
+(define (number->string n . base)
+ (atom->string n (if (null? base) 10 (car base))))
+
+(define (char-cmp? cmp a b)
+ (cmp (char->integer a) (char->integer b)))
+(define (char-ci-cmp? cmp a b)
+ (cmp (char->integer (char-downcase a)) (char->integer (char-downcase b))))
+
+(define (char=? a b) (char-cmp? = a b))
+(define (char<? a b) (char-cmp? < a b))
+(define (char>? a b) (char-cmp? > a b))
+(define (char<=? a b) (char-cmp? <= a b))
+(define (char>=? a b) (char-cmp? >= a b))
+
+(define (char-ci=? a b) (char-ci-cmp? = a b))
+(define (char-ci<? a b) (char-ci-cmp? < a b))
+(define (char-ci>? a b) (char-ci-cmp? > a b))
+(define (char-ci<=? a b) (char-ci-cmp? <= a b))
+(define (char-ci>=? a b) (char-ci-cmp? >= a b))
+
+; Note the trick of returning (cmp x y)
+(define (string-cmp? chcmp cmp a b)
+ (let ((na (string-length a)) (nb (string-length b)))
+ (let loop ((i 0))
+ (cond
+ ((= i na)
+ (if (= i nb) (cmp 0 0) (cmp 0 1)))
+ ((= i nb)
+ (cmp 1 0))
+ ((chcmp = (string-ref a i) (string-ref b i))
+ (loop (succ i)))
+ (else
+ (chcmp cmp (string-ref a i) (string-ref b i)))))))
+
+
+(define (string=? a b) (string-cmp? char-cmp? = a b))
+(define (string<? a b) (string-cmp? char-cmp? < a b))
+(define (string>? a b) (string-cmp? char-cmp? > a b))
+(define (string<=? a b) (string-cmp? char-cmp? <= a b))
+(define (string>=? a b) (string-cmp? char-cmp? >= a b))
+
+(define (string-ci=? a b) (string-cmp? char-ci-cmp? = a b))
+(define (string-ci<? a b) (string-cmp? char-ci-cmp? < a b))
+(define (string-ci>? a b) (string-cmp? char-ci-cmp? > a b))
+(define (string-ci<=? a b) (string-cmp? char-ci-cmp? <= a b))
+(define (string-ci>=? a b) (string-cmp? char-ci-cmp? >= a b))
+
+(define (list . x) x)
+
+(define (foldr f x lst)
+ (if (null? lst)
+ x
+ (foldr f (f x (car lst)) (cdr lst))))
+
+(define (unzip1-with-cdr . lists)
+ (unzip1-with-cdr-iterative lists '() '()))
+
+(define (unzip1-with-cdr-iterative lists cars cdrs)
+ (if (null? lists)
+ (cons cars cdrs)
+ (let ((car1 (caar lists))
+ (cdr1 (cdar lists)))
+ (unzip1-with-cdr-iterative
+ (cdr lists)
+ (append cars (list car1))
+ (append cdrs (list cdr1))))))
+
+(define (map proc . lists)
+ (if (null? lists)
+ (apply proc)
+ (if (null? (car lists))
+ '()
+ (let* ((unz (apply unzip1-with-cdr lists))
+ (cars (car unz))
+ (cdrs (cdr unz)))
+ (cons (apply proc cars) (apply map (cons proc cdrs)))))))
+
+(define (for-each proc . lists)
+ (if (null? lists)
+ (apply proc)
+ (if (null? (car lists))
+ #t
+ (let* ((unz (apply unzip1-with-cdr lists))
+ (cars (car unz))
+ (cdrs (cdr unz)))
+ (apply proc cars) (apply map (cons proc cdrs))))))
+
+(define (list-tail x k)
+ (if (zero? k)
+ x
+ (list-tail (cdr x) (- k 1))))
+
+(define (list-ref x k)
+ (car (list-tail x k)))
+
+(define (last-pair x)
+ (if (pair? (cdr x))
+ (last-pair (cdr x))
+ x))
+
+(define (head stream) (car stream))
+
+(define (tail stream) (force (cdr stream)))
+
+(define (vector-equal? x y)
+ (and (vector? x) (vector? y) (= (vector-length x) (vector-length y))
+ (let ((n (vector-length x)))
+ (let loop ((i 0))
+ (if (= i n)
+ #t
+ (and (equal? (vector-ref x i) (vector-ref y i))
+ (loop (succ i))))))))
+
+(define (list->vector x)
+ (apply vector x))
+
+(define (vector-fill! v e)
+ (let ((n (vector-length v)))
+ (let loop ((i 0))
+ (if (= i n)
+ v
+ (begin (vector-set! v i e) (loop (succ i)))))))
+
+(define (vector->list v)
+ (let loop ((n (pred (vector-length v))) (l '()))
+ (if (= n -1)
+ l
+ (loop (pred n) (cons (vector-ref v n) l)))))
+
+;; The following quasiquote macro is due to Eric S. Tiedemann.
+;; Copyright 1988 by Eric S. Tiedemann; all rights reserved.
+;;
+;; Subsequently modified to handle vectors: D. Souflis
+
+(macro
+ quasiquote
+ (lambda (l)
+ (define (mcons f l r)
+ (if (and (pair? r)
+ (eq? (car r) 'quote)
+ (eq? (car (cdr r)) (cdr f))
+ (pair? l)
+ (eq? (car l) 'quote)
+ (eq? (car (cdr l)) (car f)))
+ (if (or (procedure? f) (number? f) (string? f))
+ f
+ (list 'quote f))
+ (if (eqv? l vector)
+ (apply l (eval r))
+ (list 'cons l r)
+ )))
+ (define (mappend f l r)
+ (if (or (null? (cdr f))
+ (and (pair? r)
+ (eq? (car r) 'quote)
+ (eq? (car (cdr r)) '())))
+ l
+ (list 'append l r)))
+ (define (foo level form)
+ (cond ((not (pair? form))
+ (if (or (procedure? form) (number? form) (string? form))
+ form
+ (list 'quote form))
+ )
+ ((eq? 'quasiquote (car form))
+ (mcons form ''quasiquote (foo (+ level 1) (cdr form))))
+ (#t (if (zero? level)
+ (cond ((eq? (car form) 'unquote) (car (cdr form)))
+ ((eq? (car form) 'unquote-splicing)
+ (error "Unquote-splicing wasn't in a list:"
+ form))
+ ((and (pair? (car form))
+ (eq? (car (car form)) 'unquote-splicing))
+ (mappend form (car (cdr (car form)))
+ (foo level (cdr form))))
+ (#t (mcons form (foo level (car form))
+ (foo level (cdr form)))))
+ (cond ((eq? (car form) 'unquote)
+ (mcons form ''unquote (foo (- level 1)
+ (cdr form))))
+ ((eq? (car form) 'unquote-splicing)
+ (mcons form ''unquote-splicing
+ (foo (- level 1) (cdr form))))
+ (#t (mcons form (foo level (car form))
+ (foo level (cdr form)))))))))
+ (foo 0 (car (cdr l)))))
+
+;;;;;Helper for the dynamic-wind definition. By Tom Breton (Tehom)
+(define (shared-tail x y)
+ (let ((len-x (length x))
+ (len-y (length y)))
+ (define (shared-tail-helper x y)
+ (if
+ (eq? x y)
+ x
+ (shared-tail-helper (cdr x) (cdr y))))
+
+ (cond
+ ((> len-x len-y)
+ (shared-tail-helper
+ (list-tail x (- len-x len-y))
+ y))
+ ((< len-x len-y)
+ (shared-tail-helper
+ x
+ (list-tail y (- len-y len-x))))
+ (#t (shared-tail-helper x y)))))
+
+;;;;;Dynamic-wind by Tom Breton (Tehom)
+
+;;Guarded because we must only eval this once, because doing so
+;;redefines call/cc in terms of old call/cc
+(unless (defined? 'dynamic-wind)
+ (let
+ ;;These functions are defined in the context of a private list of
+ ;;pairs of before/after procs.
+ ( (*active-windings* '())
+ ;;We'll define some functions into the larger environment, so
+ ;;we need to know it.
+ (outer-env (current-environment)))
+
+ ;;Poor-man's structure operations
+ (define before-func car)
+ (define after-func cdr)
+ (define make-winding cons)
+
+ ;;Manage active windings
+ (define (activate-winding! new)
+ ((before-func new))
+ (set! *active-windings* (cons new *active-windings*)))
+ (define (deactivate-top-winding!)
+ (let ((old-top (car *active-windings*)))
+ ;;Remove it from the list first so it's not active during its
+ ;;own exit.
+ (set! *active-windings* (cdr *active-windings*))
+ ((after-func old-top))))
+
+ (define (set-active-windings! new-ws)
+ (unless (eq? new-ws *active-windings*)
+ (let ((shared (shared-tail new-ws *active-windings*)))
+
+ ;;Define the looping functions.
+ ;;Exit the old list. Do deeper ones last. Don't do
+ ;;any shared ones.
+ (define (pop-many)
+ (unless (eq? *active-windings* shared)
+ (deactivate-top-winding!)
+ (pop-many)))
+ ;;Enter the new list. Do deeper ones first so that the
+ ;;deeper windings will already be active. Don't do any
+ ;;shared ones.
+ (define (push-many new-ws)
+ (unless (eq? new-ws shared)
+ (push-many (cdr new-ws))
+ (activate-winding! (car new-ws))))
+
+ ;;Do it.
+ (pop-many)
+ (push-many new-ws))))
+
+ ;;The definitions themselves.
+ (eval
+ `(define call-with-current-continuation
+ ;;It internally uses the built-in call/cc, so capture it.
+ ,(let ((old-c/cc call-with-current-continuation))
+ (lambda (func)
+ ;;Use old call/cc to get the continuation.
+ (old-c/cc
+ (lambda (continuation)
+ ;;Call func with not the continuation itself
+ ;;but a procedure that adjusts the active
+ ;;windings to what they were when we made
+ ;;this, and only then calls the
+ ;;continuation.
+ (func
+ (let ((current-ws *active-windings*))
+ (lambda (x)
+ (set-active-windings! current-ws)
+ (continuation x)))))))))
+ outer-env)
+ ;;We can't just say "define (dynamic-wind before thunk after)"
+ ;;because the lambda it's defined to lives in this environment,
+ ;;not in the global environment.
+ (eval
+ `(define dynamic-wind
+ ,(lambda (before thunk after)
+ ;;Make a new winding
+ (activate-winding! (make-winding before after))
+ (let ((result (thunk)))
+ ;;Get rid of the new winding.
+ (deactivate-top-winding!)
+ ;;The return value is that of thunk.
+ result)))
+ outer-env)))
+
+(define call/cc call-with-current-continuation)
+
+
+;;;;; atom? and equal? written by a.k
+
+;;;; atom?
+(define (atom? x)
+ (not (pair? x)))
+
+;;;; equal?
+(define (equal? x y)
+ (cond
+ ((pair? x)
+ (and (pair? y)
+ (equal? (car x) (car y))
+ (equal? (cdr x) (cdr y))))
+ ((vector? x)
+ (and (vector? y) (vector-equal? x y)))
+ ((string? x)
+ (and (string? y) (string=? x y)))
+ (else (eqv? x y))))
+
+;;;; (do ((var init inc) ...) (endtest result ...) body ...)
+;;
+(macro do
+ (lambda (do-macro)
+ (apply (lambda (do vars endtest . body)
+ (let ((do-loop (gensym)))
+ `(letrec ((,do-loop
+ (lambda ,(map (lambda (x)
+ (if (pair? x) (car x) x))
+ `,vars)
+ (if ,(car endtest)
+ (begin ,@(cdr endtest))
+ (begin
+ ,@body
+ (,do-loop
+ ,@(map (lambda (x)
+ (cond
+ ((not (pair? x)) x)
+ ((< (length x) 3) (car x))
+ (else (car (cdr (cdr x))))))
+ `,vars)))))))
+ (,do-loop
+ ,@(map (lambda (x)
+ (if (and (pair? x) (cdr x))
+ (car (cdr x))
+ '()))
+ `,vars)))))
+ do-macro)))
+
+;;;; generic-member
+(define (generic-member cmp obj lst)
+ (cond
+ ((null? lst) #f)
+ ((cmp obj (car lst)) lst)
+ (else (generic-member cmp obj (cdr lst)))))
+
+(define (memq obj lst)
+ (generic-member eq? obj lst))
+(define (memv obj lst)
+ (generic-member eqv? obj lst))
+(define (member obj lst)
+ (generic-member equal? obj lst))
+
+;;;; generic-assoc
+(define (generic-assoc cmp obj alst)
+ (cond
+ ((null? alst) #f)
+ ((cmp obj (caar alst)) (car alst))
+ (else (generic-assoc cmp obj (cdr alst)))))
+
+(define (assq obj alst)
+ (generic-assoc eq? obj alst))
+(define (assv obj alst)
+ (generic-assoc eqv? obj alst))
+(define (assoc obj alst)
+ (generic-assoc equal? obj alst))
+
+(define (acons x y z) (cons (cons x y) z))
+
+;;;; Handy for imperative programs
+;;;; Used as: (define-with-return (foo x y) .... (return z) ...)
+(macro (define-with-return form)
+ `(define ,(cadr form)
+ (call/cc (lambda (return) ,@(cddr form)))))
+
+;;;; Simple exception handling
+;
+; Exceptions are caught as follows:
+;
+; (catch (do-something to-recover and-return meaningful-value)
+; (if-something goes-wrong)
+; (with-these calls))
+;
+; "Catch" establishes a scope spanning multiple call-frames
+; until another "catch" is encountered.
+;
+; Exceptions are thrown with:
+;
+; (throw "message")
+;
+; If used outside a (catch ...), reverts to (error "message)
+
+(define *handlers* (list))
+
+(define (push-handler proc)
+ (set! *handlers* (cons proc *handlers*)))
+
+(define (pop-handler)
+ (let ((h (car *handlers*)))
+ (set! *handlers* (cdr *handlers*))
+ h))
+
+(define (more-handlers?)
+ (pair? *handlers*))
+
+(define (throw . x)
+ (if (more-handlers?)
+ (apply (pop-handler))
+ (apply error x)))
+
+(macro (catch form)
+ (let ((label (gensym)))
+ `(call/cc (lambda (exit)
+ (push-handler (lambda () (exit ,(cadr form))))
+ (let ((,label (begin ,@(cddr form))))
+ (pop-handler)
+ ,label)))))
+
+(define *error-hook* throw)
+
+
+;;;;; Definition of MAKE-ENVIRONMENT, to be used with two-argument EVAL
+
+(macro (make-environment form)
+ `(apply (lambda ()
+ ,@(cdr form)
+ (current-environment))))
+
+(define-macro (eval-polymorphic x . envl)
+ (display envl)
+ (let* ((env (if (null? envl) (current-environment) (eval (car envl))))
+ (xval (eval x env)))
+ (if (closure? xval)
+ (make-closure (get-closure-code xval) env)
+ xval)))
+
+; Redefine this if you install another package infrastructure
+; Also redefine 'package'
+(define *colon-hook* eval)
+
+;;;;; I/O
+
+(define (input-output-port? p)
+ (and (input-port? p) (output-port? p)))
+
+(define (close-port p)
+ (cond
+ ((input-output-port? p) (close-input-port p) (close-output-port p))
+ ((input-port? p) (close-input-port p))
+ ((output-port? p) (close-output-port p))
+ (else (throw "Not a port" p))))
+
+(define (call-with-input-file s p)
+ (let ((inport (open-input-file s)))
+ (if (eq? inport #f)
+ #f
+ (let ((res (p inport)))
+ (close-input-port inport)
+ res))))
+
+(define (call-with-output-file s p)
+ (let ((outport (open-output-file s)))
+ (if (eq? outport #f)
+ #f
+ (let ((res (p outport)))
+ (close-output-port outport)
+ res))))
+
+(define (with-input-from-file s p)
+ (let ((inport (open-input-file s)))
+ (if (eq? inport #f)
+ #f
+ (let ((prev-inport (current-input-port)))
+ (set-input-port inport)
+ (let ((res (p)))
+ (close-input-port inport)
+ (set-input-port prev-inport)
+ res)))))
+
+(define (with-output-to-file s p)
+ (let ((outport (open-output-file s)))
+ (if (eq? outport #f)
+ #f
+ (let ((prev-outport (current-output-port)))
+ (set-output-port outport)
+ (let ((res (p)))
+ (close-output-port outport)
+ (set-output-port prev-outport)
+ res)))))
+
+(define (with-input-output-from-to-files si so p)
+ (let ((inport (open-input-file si))
+ (outport (open-input-file so)))
+ (if (not (and inport outport))
+ (begin
+ (close-input-port inport)
+ (close-output-port outport)
+ #f)
+ (let ((prev-inport (current-input-port))
+ (prev-outport (current-output-port)))
+ (set-input-port inport)
+ (set-output-port outport)
+ (let ((res (p)))
+ (close-input-port inport)
+ (close-output-port outport)
+ (set-input-port prev-inport)
+ (set-output-port prev-outport)
+ res)))))
+
+; Random number generator (maximum cycle)
+(define *seed* 1)
+(define (random-next)
+ (let* ((a 16807) (m 2147483647) (q (quotient m a)) (r (modulo m a)))
+ (set! *seed*
+ (- (* a (- *seed*
+ (* (quotient *seed* q) q)))
+ (* (quotient *seed* q) r)))
+ (if (< *seed* 0) (set! *seed* (+ *seed* m)))
+ *seed*))
+;; SRFI-0
+;; COND-EXPAND
+;; Implemented as a macro
+(define *features* '(srfi-0 tinyscheme))
+
+(define-macro (cond-expand . cond-action-list)
+ (cond-expand-runtime cond-action-list))
+
+(define (cond-expand-runtime cond-action-list)
+ (if (null? cond-action-list)
+ #t
+ (if (cond-eval (caar cond-action-list))
+ `(begin ,@(cdar cond-action-list))
+ (cond-expand-runtime (cdr cond-action-list)))))
+
+(define (cond-eval-and cond-list)
+ (foldr (lambda (x y) (and (cond-eval x) (cond-eval y))) #t cond-list))
+
+(define (cond-eval-or cond-list)
+ (foldr (lambda (x y) (or (cond-eval x) (cond-eval y))) #f cond-list))
+
+(define (cond-eval condition)
+ (cond
+ ((symbol? condition)
+ (if (member condition *features*) #t #f))
+ ((eq? condition #t) #t)
+ ((eq? condition #f) #f)
+ (else (case (car condition)
+ ((and) (cond-eval-and (cdr condition)))
+ ((or) (cond-eval-or (cdr condition)))
+ ((not) (if (not (null? (cddr condition)))
+ (error "cond-expand : 'not' takes 1 argument")
+ (not (cond-eval (cadr condition)))))
+ (else (error "cond-expand : unknown operator" (car condition)))))))
+
+(gc-verbose #f)
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