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- ;;;; "Init.scm", Scheme initialization code for SCM.
- ;;; Copyright (C) 1991, 1992, 1993, 1994 Aubrey Jaffer.
- ;;; See the file `COPYING' for terms applying to this program.
-
- (define (scheme-implementation-type) 'SCM)
- (define (scheme-implementation-version) "4e1")
-
- ;;; (library-vicinity) should be defined to be the pathname of the
- ;;; directory where files of Scheme library functions reside.
-
- (define library-vicinity
- (let ((library-path
- (or (getenv "SCHEME_LIBRARY_PATH")
- (case (software-type)
- ((UNIX COHERENT) "/usr/local/lib/slib/")
- ((VMS) "lib$scheme:")
- ((MSDOS ATARIST) "C:\\SCM\\SLIB\\")
- ((OS/2) "\\languages\\scm\\slib\\")
- ((MACOS THINKC) "camus Napoleon:Think C4.0:scm3.0:")
- ((AMIGA) "Scheme:libs/")
- (else "")))))
-
- (lambda () library-path)))
-
- ;;; program-vicinity is here in case the Scheme Library cannot be found.
- (define program-vicinity
- (let ((*vicinity-suffix*
- (case (software-type)
- ((UNIX COHERENT) '(#\/))
- ((AMIGA) '(#\: #\/))
- ((VMS) '(#\: #\]))
- ((MSDOS ATARIST OS/2) '(#\\))
- ((MACOS THINKC) '(#\:)))))
- (lambda ()
- (let loop ((i (- (string-length *load-pathname*) 1)))
- (cond ((negative? i) "")
- ((memv (string-ref *load-pathname* i)
- *vicinity-suffix*)
- (substring *load-pathname* 0 (+ i 1)))
- (else (loop (- i 1))))))))
-
- ;;; Here for backward compatability
- (define scheme-file-suffix
- (case (software-type)
- ((NOSVE) (lambda () "_scm"))
- ((archimedes) (lambda () ""))
- (else (lambda () ".scm"))))
-
- (set! *features*
- (append '(getenv tmpnam system abort transcript with-file
- ieee-p1178 rev4-report rev4-optional-procedures
- hash object-hash delay eval dynamic-wind
- multiarg-apply multiarg/and- logical defmacro
- string-port source)
- *features*))
-
- (define in-vicinity string-append)
-
- (define slib:exit quit)
-
- ;;; This is the vicinity where this file resides.
- (define implementation-vicinity
- ; (let ((vic (program-vicinity)))
- ; (lambda () vic)))
- ;;; --- ams.
- (let ((vic "<scm$dir>."))
- (lambda () vic)))
-
-
- (define (terms)
- (list-file (in-vicinity (implementation-vicinity) "COPYING")))
-
- (define (list-file file)
- (call-with-input-file file
- (lambda (inport)
- (do ((c (read-char inport) (read-char inport)))
- ((eof-object? c))
- (write-char c)))))
-
- (define (read:eval-feature exp)
- (cond ((symbol? exp)
- (or (memq exp *features*) (eq? exp (software-type))))
- ((and (pair? exp) (list? exp))
- (case (car exp)
- ((not) (not (read:eval-feature (cadr exp))))
- ((or) (if (null? (cdr exp)) #f
- (or (read:eval-feature (cadr exp))
- (read:eval-feature (cons 'or (cddr exp))))))
- ((and) (if (null? (cdr exp)) #t
- (and (read:eval-feature (cadr exp))
- (read:eval-feature (cons 'and (cddr exp))))))
- (else (error "read:sharp+ invalid expression " exp))))))
-
- (define (read:array digit port)
- (define chr0 (char->integer #\0))
- (let ((rank (let readnum ((val (- (char->integer digit) chr0)))
- (if (char-numeric? (peek-char port))
- (readnum (+ (* 10 val)
- (- (char->integer (read-char port)) chr0)))
- val)))
- (prot (if (eq? #\( (peek-char port))
- '()
- (let ((c (read-char port)))
- (case c ((#\b) #t)
- ((#\a) #\a)
- ((#\u) 1)
- ((#\e) -1)
- ((#\s) 1.0)
- ((#\i) 1/3)
- ((#\c) 0+i)
- (else (error "read:array unknown option " c)))))))
- (if (eq? (peek-char port) #\()
- (list->uniform-array rank prot (read port))
- (error "read:array list not found"))))
-
- (define (read:uniform-vector proto port)
- (if (eq? #\( (peek-char port))
- (list->uniform-array 1 proto (read port))
- (error "read:uniform-vector list not found")))
-
- (define (read:sharp c port)
- (define (barf)
- (error "unknown # object" c))
- (case c ((#\') (read port))
- ((#\+) (if (read:eval-feature (read port))
- (read port)
- (begin (read port) (if #f #f))))
- ((#\-) (if (not (read:eval-feature (read port)))
- (read port)
- (begin (read port) (if #f #f))))
- ((#\b) (read:uniform-vector #t port))
- ((#\a) (read:uniform-vector #\a port))
- ((#\u) (read:uniform-vector 1 port))
- ((#\e) (read:uniform-vector -1 port))
- ((#\s) (read:uniform-vector 1.0 port))
- ((#\i) (read:uniform-vector 1/3 port))
- ((#\c) (read:uniform-vector 0+i port))
- ((#\0 #\1 #\2 #\3 #\4 #\5 #\6 #\7 #\8 #\9)
- (read:array c port))
- ((#\!) (if (= 1 (line-number))
- (let skip () (if (eq? #\newline (peek-char port))
- (if #f #f)
- (begin (read-char port) (skip))))
- (barf)))
- (else (barf))))
-
- ;;;; Here are some Revised^2 Scheme functions:
- (define 1+
- (let ((+ +))
- (lambda (n) (+ n 1))))
- (define -1+
- (let ((+ +))
- (lambda (n) (+ n -1))))
- (define 1- -1+)
- (define <? <)
- (define <=? <=)
- (define =? =)
- (define >? >)
- (define >=? >=)
- (define t #t)
- (define nil #f)
- (define sequence begin)
-
- (set! apply (lambda (fun . args) (@apply fun (apply:nconc-to-last args))))
- (define (call-with-current-continuation proc)
- (@call-with-current-continuation proc))
-
- ;;; VMS does something strange when output is sent to both
- ;;; CURRENT-OUTPUT-PORT and CURRENT-ERROR-PORT.
- (case (software-type) ((VMS) (set-current-error-port (current-output-port))))
-
- ;;; OPEN_READ, OPEN_WRITE, and OPEN_BOTH are used to request the proper
- ;;; mode to open files in. MSDOS does carraige return - newline
- ;;; translation if not opened in `b' mode.
-
- (define OPEN_READ (case (software-type)
- ((MSDOS ATARIST) "rb")
- (else "r")))
- (define OPEN_WRITE (case (software-type)
- ((MSDOS ATARIST) "wb")
- (else "w")))
- (define OPEN_BOTH (case (software-type)
- ((MSDOS ATARIST) "r+b")
- (else "r+")))
-
- (define could-not-open #f)
-
- (define (open-input-file str)
- (or (open-file str OPEN_READ)
- (and (procedure? could-not-open) (could-not-open) #f)
- (error "OPEN-INPUT-FILE couldn't find file " str)))
- (define (open-output-file str)
- (or (open-file str OPEN_WRITE)
- (and (procedure? could-not-open) (could-not-open) #f)
- (error "OPEN-OUTPUT-FILE couldn't find file " str)))
- (define (open-io-file str) (open-file str OPEN_BOTH))
-
- (define close-input-port close-port)
- (define close-output-port close-port)
- (define close-io-port close-port)
-
- (define (call-with-input-file str proc)
- (let* ((file (open-input-file str))
- (ans (proc file)))
- (close-input-port file)
- ans))
-
- (define (call-with-output-file str proc)
- (let* ((file (open-output-file str))
- (ans (proc file)))
- (close-output-port file)
- ans))
-
- (define (with-input-from-port port thunk)
- (let* ((swaports (lambda () (set! port (set-current-input-port port)))))
- (dynamic-wind swaports thunk swaports)))
-
- (define (with-output-to-port port thunk)
- (let* ((swaports (lambda () (set! port (set-current-output-port port)))))
- (dynamic-wind swaports thunk swaports)))
-
- (define (with-error-to-port port thunk)
- (let* ((swaports (lambda () (set! port (set-current-error-port port)))))
- (dynamic-wind swaports thunk swaports)))
-
- (define (with-input-from-file file thunk)
- (let* ((nport (open-input-file file))
- (ans (with-input-from-port nport thunk)))
- (close-port nport)
- ans))
-
- (define (with-output-to-file file thunk)
- (let* ((nport (open-output-file file))
- (ans (with-output-to-port nport thunk)))
- (close-port nport)
- ans))
-
- (define (with-error-to-file file thunk)
- (let* ((nport (open-output-file file))
- (ans (with-error-to-port nport thunk)))
- (close-port nport)
- ans))
-
- (define (error . args)
- (define cep (current-error-port))
- (perror "ERROR")
- (errno 0)
- (display "ERROR: " cep)
- (if (not (null? args))
- (begin (display (car args) cep)
- (for-each (lambda (x) (display #\ cep) (write x cep))
- (cdr args))))
- (newline cep)
- (force-output cep)
- (abort))
-
- (define set-errno errno)
- (define exit quit)
-
- (define (file-exists? str)
- (let ((port (open-file str OPEN_READ)))
- (if port (begin (close-port port) #t)
- #f)))
-
- (if (memq 'line-i/o *features*)
- (define (write-line str . arg)
- (apply display str arg)
- (apply newline arg)))
-
- (if (memq 'pipe *features*)
- (define (open-input-pipe str) (open-pipe str "r")))
- (if (memq 'pipe *features*)
- (define (open-output-pipe str) (open-pipe str "w")))
-
- (if (not (memq 'ed *features*))
- (begin
- (define (ed . args)
- (system (apply string-append
- (or (getenv "EDITOR") "ed")
- (map (lambda (s) (string-append " " s)) args))))
- (set! *features* (cons 'ed *features*))))
-
- (if (not (defined? output-port-width))
- (define (output-port-width . arg) 80))
-
- (if (not (defined? output-port-height))
- (define (output-port-height . arg) 24))
-
- (define (has-suffix? str suffix)
- (let ((sufl (string-length suffix))
- (sl (string-length str)))
- (and (> sl sufl)
- (string=? (substring str (- sl sufl) sl) suffix))))
-
- (define slib:error error)
- (define slib:tab #\tab)
- (define slib:form-feed #\page)
- (define slib:eval eval)
-
- ;;; Load.
- (define (scm:load file . libs)
- (define sfs (scheme-file-suffix))
- (define cep (current-error-port))
- (define filesuf file)
- (define hss (has-suffix? file sfs))
- (cond ((> (verbose) 1)
- (display ";loading " cep) (write file cep) (newline cep)))
- (force-output cep)
- (or (and (defined? link:link) (not hss)
- (or (apply link:link file libs)
- (and link:able-suffix
- (let ((fs (string-append file link:able-suffix)))
- (cond ((not (file-exists? fs)) #f)
- ((apply link:link fs libs) (set! filesuf fs) #t)
- (else #f))))))
- (and (null? libs)
- (or (try-load file)
- ;;HERE is where the suffix gets specified
- (and (not hss)
- (begin (set! filesuf (string-append file sfs))
- (try-load filesuf)))))
- (and (procedure? could-not-open) (could-not-open) #f)
- (error "LOAD couldn't find file " file))
- (errno 0)
- (cond ((> (verbose) 1)
- (display ";done loading " cep) (write filesuf cep) (newline cep)
- (force-output cep))))
- (define load scm:load)
- (define slib:load load)
-
- (define (scm:load-source file)
- (define sfs (scheme-file-suffix))
- (define cep (current-error-port))
- (define filesuf file)
- (cond ((> (verbose) 1)
- (display ";loading " cep) (write file cep) (newline cep)))
- (force-output cep)
- (or (and (or (try-load file)
- ;;HERE is where the suffix gets specified
- (and (not (has-suffix? file sfs))
- (begin (set! filesuf (string-append file sfs))
- (try-load filesuf)))))
- (and (procedure? could-not-open) (could-not-open) #f)
- (error "LOAD couldn't find file " file))
- (errno 0)
- (cond ((> (verbose) 1)
- (display ";done loading " cep) (write filesuf cep) (newline cep)
- (force-output cep))))
- (define slib:load-source scm:load-source)
-
- (cond ((try-load
- (in-vicinity (library-vicinity) "require" (scheme-file-suffix))))
- (else
- (perror "WARNING")
- (display "WARNING: Couldn't find require.scm in (library-vicinity)"
- (current-error-port))
- (write (library-vicinity) (current-error-port))
- (newline (current-error-port))
- (errno 0)))
-
- ;;; DO NOT MOVE! This has to be done after "require.scm" is loaded.
- (define slib:load-source scm:load-source)
- (define slib:load scm:load)
-
- (if (or (defined? dld:link)
- (defined? shl:load)
- (defined? vms:dynamic-link-call)
- (file-exists? (in-vicinity (implementation-vicinity) "hobbit.tms")))
- (try-load (in-vicinity (implementation-vicinity)
- "Link" (scheme-file-suffix))))
-
- (cond ((defined? link:link)
- (define slib:load-compiled link:link)
- (provide 'compiled)))
-
- (define logical:logand logand)
- (define logical:logior logior)
- (define logical:logxor logxor)
- (define logical:lognot lognot)
- (define logical:ash ash)
- (define logical:logcount logcount)
- (define logical:integer-length integer-length)
- (define logical:bit-extract bit-extract)
- (define logical:integer-expt integer-expt)
-
- (define (logical:ipow-by-squaring x k acc proc)
- (cond ((zero? k) acc)
- ((= 1 k) (proc acc x))
- (else (logical:ipow-by-squaring (proc x x)
- (quotient k 2)
- (if (even? k) acc (proc acc x))
- proc))))
-
- ;defmacro from dorai@cs.rice.edu (heavily hacked by jaffer):
- (define *defmacros* '())
- (define (macro? m) (and (assq m *defmacros*) #t))
-
- (define defmacro:transformer
- (lambda (f)
- (procedure->memoizing-macro
- (lambda (exp env)
- (copy-tree (apply f (cdr exp)))))))
-
- (define defmacro
- (let ((defmacro-transformer
- (lambda (name parms . body)
- `(define ,name
- (let ((transformer (lambda ,parms ,@body)))
- (set! *defmacros* (acons ',name transformer *defmacros*))
- (defmacro:transformer transformer))))))
- (set! *defmacros* (acons 'defmacro defmacro-transformer *defmacros*))
- (defmacro:transformer defmacro-transformer)))
-
- (define (macroexpand-1 e)
- (if (pair? e) (let ((a (car e)))
- (cond ((symbol? a) (set! a (assq a *defmacros*))
- (if a (apply (cdr a) (cdr e)) e))
- (else e)))
- e))
-
- (define (macroexpand e)
- (if (pair? e) (let ((a (car e)))
- (cond ((symbol? a)
- (set! a (assq a *defmacros*))
- (if a (macroexpand (apply (cdr a) (cdr e))) e))
- (else e)))
- e))
-
- (define gentemp
- (let ((*gensym-counter* -1))
- (lambda ()
- (set! *gensym-counter* (+ *gensym-counter* 1))
- (string->symbol
- (string-append "scm:G" (number->string *gensym-counter*))))))
-
- (define defmacro:eval slib:eval)
- (define defmacro:load load)
-
- (define (slib:eval-load <filename> evl)
- (if (not (file-exists? <filename>))
- (set! <filename> (string-append <filename> (scheme-file-suffix))))
- (call-with-input-file <filename>
- (lambda (port)
- (let ((old-load-pathname *load-pathname*))
- (set! *load-pathname* <filename>)
- (do ((o (read port) (read port)))
- ((eof-object? o))
- (evl o))
- (set! *load-pathname* old-load-pathname)))))
-
- ;;; Autoloads for SLIB procedures.
-
- (define (tracef . args) (require 'debug) (apply tracef args))
- (define *traced-procedures* '())
- (define (trace:tracef fun sym)
- (cond ((memq sym *traced-procedures*)
- (display "WARNING: already traced " (current-error-port))
- (display sym (current-error-port))
- (newline (current-error-port))
- fun)
- (else
- (set! *traced-procedures* (cons sym *traced-procedures*))
- (tracef fun sym))))
- (define (trace:untracef fun sym)
- (require 'common-list-functions)
- (cond ((memq sym *traced-procedures*)
- (set! *traced-procedures* (remove sym *traced-procedures*))
- (untracef fun))
- (else
- (display "WARNING: not traced " (current-error-port))
- (display sym (current-error-port))
- (newline (current-error-port))
- fun)))
-
- ;;; Macros.
-
- (defmacro trace x
- (if (null? x) '*traced-procedures*
- `(begin ,@(map (lambda (x) `(set! ,x (trace:tracef ,x ',x))) x))))
- (defmacro untrace x
- (if (null? x)
- (slib:eval
- `(begin ,@(map (lambda (x) `(set! ,x (trace:untracef ,x ',x)))
- *traced-procedures*)
- '',*traced-procedures*))
- `(begin ,@(map (lambda (x) `(set! ,x (trace:untracef ,x ',x))) x))))
-
- (defmacro defvar (var val)
- `(if (not (defined? ,var)) (define ,var ,val)))
-
- ;;; ABS and MAGNITUDE can be the same.
- (if (inexact? (string->number "0.0"))
- (begin (load (in-vicinity (implementation-vicinity)
- "Transcen" (scheme-file-suffix)))
- (set! abs magnitude)))
-
- (if (defined? array?)
- (begin
- (define uniform-vector? array?)
- (define make-uniform-vector dimensions->uniform-array)
- ; (define uniform-vector-ref array-ref)
- (define (uniform-vector-set! u i o)
- (uniform-vector-set1! u o i))
- (define uniform-vector-fill! array-fill!)
-
- (define (make-array fill . args)
- (dimensions->uniform-array args () fill))
- (define (make-uniform-array prot . args)
- (dimensions->uniform-array args prot))
- (define (list->array ndim lst)
- (list->uniform-array ndim '() lst))
- (define (list->uniform-vector prot lst)
- (list->uniform-array 1 prot lst))
- (define (array-shape a)
- (map (lambda (ind) (if (number? ind) (list 0 (+ -1 ind)) ind))
- (array-dimensions a)))))
-
- ;;; Use *argv* instead of (program-arguments), to allow option
- ;;; processing to be done on it.
- (define *argv* (program-arguments))
-
- ;;; This loads the user's initialization file, or files named in
- ;;; program arguments.
-
- (or
- (eq? (software-type) 'THINKC)
- (member "-no-init-file" (program-arguments))
- (try-load
- (in-vicinity
- (let ((home (getenv "HOME")))
- (if home
- (case (software-type)
- ((UNIX COHERENT)
- (if (char=? #\/ (string-ref home (+ -1 (string-length home))))
- home ;V7 unix has a / on HOME
- (string-append home "/")))
- (else home))
- (user-vicinity)))
- "ScmInit")) ;;; removed .scm - ams
- (errno 0))
-
- (if (not (defined? *R4RS-macro*))
- (define *R4RS-macro* #f))
- (if (not (defined? *interactive*))
- (define *interactive* #f))
-
- (cond
- ((and (> (length *argv*) 1) (char=? #\- (string-ref (cadr *argv*) 0)))
- (require 'getopt)
- ;;; (else
- ;;; (define *optind* 1)
- ;;; (define getopt:opt #f)
- ;;; (define (getopt argc argv optstring) #f))
-
- (let* ((simple-opts "muqvbis")
- (arg-opts '("a kbytes" "no-init-file" "p number"
- "r feature" "f filename" "l filename"
- "c string" "e string"))
- (opts (apply string-append ":" simple-opts
- (map (lambda (o)
- (string-append (string (string-ref o 0)) ":"))
- arg-opts)))
- (argc (length *argv*))
- (didsomething #f)
- (moreopts #t))
-
- (define (do-thunk thunk)
- (if *interactive*
- (thunk)
- (let ((complete #f))
- (dynamic-wind
- (lambda () #f)
- (lambda ()
- (thunk)
- (set! complete #t))
- (lambda () (if (not complete) (quit)))))))
-
- (define (do-string-arg)
- (require 'string-port)
- (do-thunk
- (lambda ()
- (eval
- (call-with-input-string
- (string-append "(begin " *optarg* ")")
- read))))
- (set! didsomething #t))
-
- (define (do-load file)
- (do-thunk
- (lambda ()
- (cond (*R4RS-macro* (require 'macro) (macro:load file))
- (else (load file)))))
- (set! didsomething #t))
-
- (define (usage preopt opt postopt)
- (define cep (current-error-port))
- (define indent (make-string 6 #\ ))
- (define i 2)
- (if (char? opt) (set! opt (string opt)))
- (display (string-append preopt opt postopt) cep)
- (newline cep)
- (display (string-append "Usage: " (car (program-arguments))
- " [-" simple-opts "]") cep)
- (for-each
- (lambda (o)
- (display (string-append " [-" o "]") cep)
- (set! i (+ 1 i))
- (cond ((zero? (modulo i 4)) (newline cep) (display indent cep))))
- arg-opts)
- (display " [-- | -s | -] [file] [args...]" cep) (newline cep)
- (exit 1))
-
- ;; -c str => (eval str)
- ;; -e str => (eval str)
- ;; -f str => (load str)
- ;; -l str => (load str)
- ;; -r str => (require str)
- ;; -p int => (verbose int)
- ;; -m => (set! *R4RS-macro* #t)
- ;; -u => (set! *R4RS-macro* #f)
- ;; -v => (verbose 3)
- ;; -q => (verbose 0)
- ;; -i => (set! *interactive* #t)
- ;; -b => (set! *interactive* #f)
- ;; -s => set argv, don't execute first one
- ;; -no-init-file => don't load init file
- ;; -- => last option
-
- (let loop ()
- (case (getopt argc *argv* opts)
- ((#\e #\c) (do-string-arg)) ;sh-like
- ((#\f #\l);;(set-car! *argv* *optarg*)
- (do-load *optarg*))
- ((#\r) (do-thunk (lambda ()
- (if (and (= 1 (string-length *optarg*))
- (char-numeric? (string-ref *optarg* 0)))
- (case (string-ref *optarg* 0)
- ((#\2) (require 'rev3-procedures)
- (require 'rev2-procedures))
- ((#\3) (require 'rev3-procedures))
- ((#\4) (require 'rev4-optional-procedures))
- ((#\5) (require 'dynamic-wind)
- (require 'values)
- (require 'macro)
- (set! *R4RS-macro* #t))
- (else (require (string->symbol *optarg*))))
- (require (string->symbol *optarg*))))))
- ((#\p) (verbose (string->number *optarg*)))
- ((#\q) (verbose 0))
- ((#\v) (verbose 3))
- ((#\i) (set! *interactive* #t) ;sh-like
- (verbose (max 2 (verbose))))
- ((#\b) (set! *interactive* #f))
- ((#\s) (set! moreopts #f) ;sh-like
- (set! didsomething #t)
- (set! *interactive* #t))
- ((#\m) (set! *R4RS-macro* #t))
- ((#\u) (set! *R4RS-macro* #f))
- ((#\n) (if (not (string=? "o-init-file" *optarg*))
- (usage "scm: unrecognized option `-n" *optarg* "'")))
- ((#\:) (usage "scm: option `-" getopt:opt "' requires an argument"))
- ((#\?) (usage "scm: unrecognized option `-" getopt:opt "'"))
- ((#f) (set! moreopts #f) ;sh-like
- (cond ((and (< *optind* (length *argv*))
- (string=? "-" (list-ref *argv* *optind*)))
- (set! *optind* (+ 1 *optind*)))))
- (else (usage "scm: unknown option `-" getopt:opt "'")))
-
- (cond ((and moreopts (< *optind* (length *argv*)))
- (loop))
- ((< *optind* (length *argv*)) ;No more opts
- (set! *argv* (list-tail *argv* *optind*))
- (set! *optind* 1)
- (cond ((not didsomething) (do-load (car *argv*))
- (set! *optind* (+ 1 *optind*))))
- (cond ((and (> (verbose) 2)
- (not (= (+ -1 *optind*) (length *argv*))))
- (display "scm: extra command arguments unused:"
- (current-error-port))
- (for-each (lambda (x) (display (string-append " " x)
- (current-error-port)))
- (list-tail *argv* (+ -1 *optind*)))
- (newline (current-error-port)))))
- ((and (not didsomething) (= *optind* (length *argv*)))
- (set! *interactive* #t)))))
-
- (cond ((not *interactive*) (quit))
- (*R4RS-macro*
- (require 'repl)
- (require 'macro)
- (let* ((oquit quit))
- (set! quit (lambda () (repl:quit)))
- (set! exit quit)
- (repl:top-level macro:eval)
- (oquit))))
- ;;otherwise, fall into non-macro SCM repl.
- )
- (else
- (begin (errno 0)
- (for-each load (cdr (program-arguments))))))
-
- ; --- hereonwards by ams
- ;
- ; Fire up the archi extension routines
- ;
- (case (software-type)
- ((archimedes) (load "<scm$dir>.arc_ext"))
- (else ""))