Import Upstream version 5d6upstream/5d6

1 files changed, 0 insertions, 1092 deletions

diff --git a/Init5d2.scm b/Init5d2.scm
deleted file mode 100644
index 946e6d7..0000000
--- a/Init5d2.scm
+++ /dev/null
@@ -1,1092 +0,0 @@
-;; Copyright (C) 1991-1999 Free Software Foundation, Inc.
-;;
-;; This program is free software; you can redistribute it and/or modify
-;; it under the terms of the GNU General Public License as published by
-;; the Free Software Foundation; either version 2, or (at your option)
-;; any later version.
-;;
-;; This program is distributed in the hope that it will be useful,
-;; but WITHOUT ANY WARRANTY; without even the implied warranty of
-;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-;; GNU General Public License for more details.
-;;
-;; You should have received a copy of the GNU General Public License
-;; along with this software; see the file COPYING.  If not, write to
-;; the Free Software Foundation, 59 Temple Place, Suite 330, Boston, MA 02111, USA.
-;;
-;; As a special exception, the Free Software Foundation gives permission
-;; for additional uses of the text contained in its release of GUILE.
-;;
-;; The exception is that, if you link the GUILE library with other files
-;; to produce an executable, this does not by itself cause the
-;; resulting executable to be covered by the GNU General Public License.
-;; Your use of that executable is in no way restricted on account of
-;; linking the GUILE library code into it.
-;;
-;; This exception does not however invalidate any other reasons why
-;; the executable file might be covered by the GNU General Public License.
-;;
-;; This exception applies only to the code released by the
-;; Free Software Foundation under the name GUILE.  If you copy
-;; code from other Free Software Foundation releases into a copy of
-;; GUILE, as the General Public License permits, the exception does
-;; not apply to the code that you add in this way.  To avoid misleading
-;; anyone as to the status of such modified files, you must delete
-;; this exception notice from them.
-;;
-;; If you write modifications of your own for GUILE, it is your choice
-;; whether to permit this exception to apply to your modifications.
-;; If you do not wish that, delete this exception notice.
-
-;;;; "Init.scm", Scheme initialization code for SCM.
-;;; Author: Aubrey Jaffer.
-
-(define (scheme-implementation-type) 'SCM)
-(define (scheme-implementation-version) "5d2")
-(define (scheme-implementation-home-page)
-  "http://swissnet.ai.mit.edu/~jaffer/SCM.html")
-
-(define vicinity:suffix?
-  (let ((suffi
-	 (case (software-type)
-	   ((AMIGA)				'(#\: #\/))
-	   ((MACOS THINKC)			'(#\:))
-	   ((MS-DOS WINDOWS ATARIST OS/2)	'(#\\ #\/))
-	   ((NOSVE)				'(#\: #\.))
-	   ((UNIX COHERENT)			'(#\/))
-	   ((VMS)				'(#\: #\])))))
-    (lambda (chr) (memv chr suffi))))
-
-(define (pathname->vicinity pathname)
-  ;;Go up one level if PATHNAME ends in a vicinity suffix.
-  (let loop ((i (- (string-length pathname) 2)))
-    (cond ((negative? i) "")
-	  ((vicinity:suffix? (string-ref pathname i))
-	   (substring pathname 0 (+ i 1)))
-	  (else (loop (- i 1))))))
-
-;;; This definition of PROGRAM-VICINITY is equivalent to the one defined
-;;;  SLIB/require.scm.  It is used here to bootstrap
-;;; IMPLEMENTATION-VICINITY and possibly LIBRARY-VICINITY.
-
-(define (program-vicinity)
-  (if *load-pathname*
-      (pathname->vicinity *load-pathname*)
-      (error "not loading but called" 'program-vicinity)))
-
-(define in-vicinity string-append)
-
-;;; This is the vicinity where this file resides.
-(define implementation-vicinity #f)
-
-;;; (library-vicinity) should be defined to be the pathname of the
-;;; directory where files of Scheme library functions reside.
-
-;;; If the environment variable SCHEME_LIBRARY_PATH is undefined, use
-;;; (implementation-vicinity) as (library-vicinity).  "require.scm",
-;;; the first file loaded from (library-vicinity), can redirect it.
-
-(define library-vicinity #f)
-(define home-vicinity #f)
-(define (set-vicinities! init-file)
-  (set! implementation-vicinity
-	(let ((vic (pathname->vicinity init-file)))
-	  (lambda () vic)))
-  (set! library-vicinity
-	(let ((library-path (getenv "SCHEME_LIBRARY_PATH")))
-	  (if library-path
-	      (lambda () library-path)
-	      (lambda ()
-		(let ((olv library-vicinity)
-		      (oload load))
-		  (dynamic-wind
-		      (lambda () (set! load identity))
-		      (lambda ()
-			(try-load (in-vicinity (implementation-vicinity)
-					       "require.scm")))
-		      (lambda () (set! load oload)))
-		  (if (eq? olv library-vicinity)
-		      (error "Can't find library-vicinity"))
-		  (library-vicinity))))))
-  (set! home-vicinity
-	(let ((home (getenv "HOME")))
-	  (and home
-	       (case (software-type)
-		 ((UNIX COHERENT MS-DOS) ;V7 unix has a / on HOME
-		  (if (not
-		       (char=? #\/
-			       (string-ref home (+ -1 (string-length home)))))
-		      (set! home (string-append home "/"))))))
-	  (lambda () home))))
-(set-vicinities! *load-pathname*)
-
-;;; Here for backward compatability
-(define scheme-file-suffix
-  (case (software-type)
-    ((NOSVE) (lambda () "_scm"))
-    (else (lambda () ".scm"))))
-
-(set! *features*
-      (append '(getenv tmpnam abort transcript with-file
-		ieee-p1178 rev4-report rev4-optional-procedures
-		hash object-hash delay dynamic-wind fluid-let
-		multiarg-apply multiarg/and- logical defmacro
-		string-port source current-time sharp:semi)
-	      *features*))
-
-(define (exec-self)
-  (require 'i/o-extensions)
-  (execv (execpath) (if *script*
-			(cons (car (program-arguments))
-			      (cons "\\"
-				    (member *script* (program-arguments))))
-			(program-arguments))))
-
-(define (display-file file)
-  (call-with-input-file file
-    (lambda (inport)
-      (do ((c (read-char inport) (read-char inport)))
-	  ((eof-object? c))
-	(write-char c)))))
-(define (terms)
-  (display-file (in-vicinity (implementation-vicinity) "COPYING")))
-
-;; Array syntax:
-;; n is a decimal number, which may be elided for a default value of 1.
-;; #nA\( ... ) character array
-;; #nAt( ... ) boolean array
-;; #nAe[sfdl]( ... ) exact number array
-;; #nAu[sfdl]( ... ) positive exact number array
-;; #nAi[sfdl]( ... ) inexact real number array
-;; #nAic[sfdl]( ... ) inexact complex number array
-
-(define (read:array rank port)
-  (let ((prot
-	 (case (char-downcase (peek-char port))
-	   ((#\\) (read-char port) #\a)
-	   ((#\t) (read-char port) #t)
-	   ((#\e)
-	    (read-char port)
-	    (case (char-downcase (peek-char port))
-	      ((#\s) (read-char port) 'exact-short)
-	      ((#\f #\d #\l) (read-char port) -2)
-	      (else -2)))
-	   ((#\u)
-	    (read-char port)
-	    (case (char-downcase (peek-char port))
-	      ((#\s #\f #\d #\l) (read-char port) 2)
-	      (else 2)))
-	   ((#\i)
-	    (read-char port)
-	    (case (char-downcase (peek-char port))
-	      ((#\c)
-	       (read-char port)
-	       (case (char-downcase (peek-char port))
-		 ((#\s #\f #\d #\l) (read-char port)))
-	       0+1.0i)
-	      ((#\s #\f) (read-char port) 1.0)
-	      ((#\d #\l) (read-char port) 1/3)
-	      (else 1/3)))
-	   (else #f))))
-    (list->uniform-array rank prot (read port))))
-
-(define (read:sharp c port)
-  (define (barf c)
-    (error "unknown # object" c))
-  (define chr0 (char->integer #\0))
-  (define (feature? exp)
-    (cond ((symbol? exp)
-	   (or (memq exp *features*) (eq? exp (software-type))))
-	  ((and (pair? exp) (list? exp))
-	   (case (car exp)
-	     ((not) (not (feature? (cadr exp))))
-	     ((or) (if (null? (cdr exp)) #f
-		       (or (feature? (cadr exp))
-			   (feature? (cons 'or (cddr exp))))))
-	     ((and) (if (null? (cdr exp)) #t
-			(and (feature? (cadr exp))
-			     (feature? (cons 'and (cddr exp))))))
-	     (else (error "read:sharp+ invalid expression " exp))))))
-  (case c
-    ((#\') (read port))
-    ((#\.) (eval (read port)))
-    ((#\+) (if (feature? (read port))
-	       (read port)
-	       (begin (read port) (if #f #f))))
-    ((#\-) (if (not (feature? (read port)))
-	       (read port)
-	       (begin (read port) (if #f #f))))
-    ((#\a #\A) (read:array 1 port))
-    ((#\0 #\1 #\2 #\3 #\4 #\5 #\6 #\7 #\8 #\9)
-     (let loop ((arg (- (char->integer c) chr0)))
-       (let ((c (peek-char port)))
-	 (cond ((char-numeric? c)
-		(loop (+ (* 10 arg)
-			 (- (char->integer (read-char port)) chr0))))
-	       ((memv c '(#\a #\A))
-		(read-char port)
-		(read:array arg port))
-	       (else
-		(warn "obsolete array read syntax")
-		(read:array arg port))))))
-    ((#\!) (if (= 1 (line-number))
-	       (let skip ((metarg? #f))
-		 (case (read-char port)
-		   ((#\newline) (if metarg? (skip #t)))
-		   ((#\\) (skip #t))
-		   ((#\!) (if (not (and (eqv? #\# (peek-char port))
-					(read-char port)))
-			      (skip metarg?)))
-		   (else (skip metarg?))))
-	       (barf c)))
-    (else (barf c))))
-
-;; We can assume TOK has at least 2 characters.
-(define read:sharp-char
-  (letrec ((control (lambda (c)
-		      (and (char? c)
-			   (if (eqv? c #\?)
-			       (integer->char 127)
-			       (integer->char
-				(logand 31 (char->integer c)))))))
-	   (meta (lambda (c)
-		   (and (char? c)
-			(integer->char
-			 (logior 128 (char->integer c)))))))
-    (lambda (tok)
-      (case (string-ref tok 0)
-	((#\C #\c)
-	 (and (char=? #\- (string-ref tok 1))
-	      (if (= 3 (string-length tok))
-		  (control (string-ref tok 2))
-		  (let ((c (read:sharp-char
-			    (substring tok 2 (string-length tok)))))
-		    (and c (control c))))))
-	((#\^)
-	 (and (= 2 (string-length tok))
-	      (control (string-ref tok 1))))
-	((#\M #\m)
-	 (and (char=? #\- (string-ref tok 1))
-	      (if (= 3 (string-length tok))
-		  (meta (string-ref tok 2))
-		  (let ((c (read:sharp-char
-			    (substring tok 2 (string-length tok)))))
-		    (and c (meta c))))))))))
-
-;;;; Function used to accumulate comments before a definition.
-(define comment
-  (let ((*accumulated-comments* '()))
-    (lambda args
-      (cond ((null? args)
-	     (let ((ans
-		    (apply string-append
-			   (map (lambda (comment)
-				  (string-append (or comment "") "\n"))
-				(reverse *accumulated-comments*)))))
-	       (set! *accumulated-comments* '())
-	       (if (equal? "" ans)
-		   "no-comment"	;#f
-		   (substring ans 0 (+ -1 (string-length ans))))))
-	    (else (set! *accumulated-comments*
-			(append (reverse args) *accumulated-comments*)))))))
-
-;; Make #; convert the rest of the line to a (comment ...) form.
-;; "build.scm" uses this.
-(define read:sharp
-  (let ((rdsharp read:sharp))
-    (lambda (c port)
-      (if (eqv? c #\;)
-	  (let skip-semi ()
-	    (cond ((eqv? #\; (peek-char port))
-		   (read-char port)
-		   (skip-semi))
-		  (else `(comment ,(read-line port)))))
-	  (rdsharp c port)))))
-
-
-(define type 'type)			;for /bin/sh hack.
-(define : ':)
-(define !#(if #f #f))			;for scsh hack.
-
-;;;; 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 identity
-  (if (defined? cr) cr (lambda (x) x)))
-
-(if (not (defined? the-macro))
-    (define the-macro identity))
-(define sequence (the-macro begin))
-(define copy-tree @copy-tree)
-
-;;; 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.  MS-DOS does carriage return - newline
-;;; translation if not opened in `b' mode.
-
-(define OPEN_READ (case (software-type)
-		    ((MS-DOS WINDOWS ATARIST) "rb")
-		    (else "r")))
-(define OPEN_WRITE (case (software-type)
-		     ((MS-DOS WINDOWS ATARIST) "wb")
-		     (else "w")))
-(define OPEN_BOTH (case (software-type)
-		    ((MS-DOS WINDOWS ATARIST) "r+b")
-		    (else "r+")))
-(define (_IONBF mode) (string-append mode "0"))
-(define (_TRACKED mode) (string-append mode "?"))
-
-(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 open 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 open 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)
-  (dynamic-wind (lambda () (set! port (set-current-input-port port)))
-		thunk
-		(lambda () (set! port (set-current-input-port port)))))
-
-(define (with-output-to-port port thunk)
-  (dynamic-wind (lambda () (set! port (set-current-output-port port)))
-		thunk
-		(lambda () (set! port (set-current-output-port port)))))
-
-(define (with-error-to-port port thunk)
-  (dynamic-wind (lambda () (set! port (set-current-error-port port)))
-		thunk
-		(lambda () (set! port (set-current-error-port port)))))
-
-(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 (warn . args)
-  (define cep (current-error-port))
-  (perror "WARN")
-  (errno 0)
-  (display "WARN: " 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))
-
-(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 slib:exit quit)
-(define exit quit)
-
-(define (print . args)
-  (define result #f)
-  (for-each (lambda (x) (set! result x) (write x) (display #\ )) args)
-  (newline)
-  result)
-(define (pp . args)
-  (for-each pretty-print args)
-  (if #f #f))
-
-(define (file-exists? str)
-  (let ((port (open-file str OPEN_READ)))
-    (and port (close-port port) #t)))
-(define (file-readable? str)
-  (let ((port (open-file str OPEN_READ)))
-    (and port
-	 (char-ready? port)
-	 (do ((c (read-char port)
-		 (and (char-ready? port) (read-char port)))
-	      (i 0 (+ 1 i))
-	      (l '() (cons c l)))
-	     ((or (not c) (eof-object? c) (<= 2 i))
-	      (if (null? l) #f (list->string (reverse l))))))))
-
-(define difftime -)
-(define offset-time +)
-
-(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))
-
-(if (not (defined? last-pair))
-    (define (last-pair l) (if (pair? (cdr l)) (last-pair (cdr l)) l)))
-
-(define slib:error error)
-(define slib:warn warn)
-(define slib:tab #\tab)
-(define slib:form-feed #\page)
-(define slib:eval eval)
-
-;;; Load.
-(define load:indent 0)
-(define (load:pre file)
-  (define cep (current-error-port))
-  (cond ((> (verbose) 1)
-	 (display
-	  (string-append ";" (make-string load:indent #\ ) "loading " file)
-	  cep)
-	 (set! load:indent (modulo (+ 2 load:indent) 16))
-	 (newline cep)))
-  (force-output cep))
-
-(define (load:post filesuf)
-  (define cep (current-error-port))
-  (errno 0)
-  (cond ((> (verbose) 1)
-	 (set! load:indent (modulo (+ -2 load:indent) 16))
-	 (display (string-append ";" (make-string load:indent #\ )
-				 "done loading " filesuf)
-		  cep)
-	 (newline cep)
-	 (force-output cep))))
-
-(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 (scm:load file . libs)
-  (define filesuf file)
-  (define hss (has-suffix? file (scheme-file-suffix)))
-  (load:pre file)
-  (or (and (defined? link:link) (not hss)
-	   (or (let ((s2 (file-readable? file)))
-		 (and s2 (not (equal? "#!" s2)) (apply link:link file libs)))
-	       (and link:able-suffix
-		    (let* ((fs (string-append file link:able-suffix))
-			   (fs2 (file-readable? fs)))
-		      (and fs2 (apply link:link fs libs) (set! filesuf fs) #t)
-		      ))))
-      (and (null? libs) (try-load file))
-      ;;HERE is where the suffix gets specified
-      (and (not hss) (errno 0)		; clean up error from TRY-LOAD above
-	   (set! filesuf (string-append file (scheme-file-suffix)))
-	   (try-load filesuf))
-      (and (procedure? could-not-open) (could-not-open) #f)
-      (begin (set! load:indent 0)
-	     (error "LOAD couldn't find file " file)))
-  (load:post filesuf))
-(define load scm:load)
-(define slib:load load)
-
-(define (scm:load-source file)
-  (define sfs (scheme-file-suffix))
-  (define filesuf file)
-  (load:pre file)
-  (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))
-  (load:post filesuf))
-(define slib:load-source scm:load-source)
-
-(load (in-vicinity (library-vicinity) "require"))
-
-;;; DO NOT MOVE!  This must be done after "require.scm" is loaded.
-(define slib:load-source scm:load-source)
-(define slib:load scm:load)
-
-(cond ((or (defined? dyn:link)
-	   (defined? vms:dynamic-link-call)
-	   (file-exists? (in-vicinity (implementation-vicinity) "hobbit.tms")))
-       (load (in-vicinity (implementation-vicinity) "Link"))))
-
-(cond ((defined? link:link)
-       (define (slib:load-compiled . args)
-	 (or (apply link:link args)
-	     (error "Couldn't link files " args)))
-       (provide 'compiled)))
-
-(define (string-upcase str) (string-upcase! (string-copy str)))
-(define (string-downcase str) (string-downcase! (string-copy str)))
-(define (string-capitalize str) (string-capitalize! (string-copy str)))
-(define string-ci->symbol
-  (if (equal? "a" (symbol->string 'a))
-      (lambda (str) (string->symbol (string-downcase str)))
-      (lambda (str) (string->symbol (string-upcase str)))))
-
-(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:integer-expt integer-expt)
-
-(define logical:bit-field bit-field)
-(define bit-extract bit-field)
-(define logical:bitwise-if bitwise-if)
-(define logical:copy-bit copy-bit)
-(define logical:copy-bit-field copy-bit-field)
-
-(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 (defmacro? 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 'trace) (apply tracef args))
-(define (trace:tracef . args) (require 'trace) (apply trace:tracef args))
-(define (trace-all . args) (require 'debug) (apply trace-all args))
-(define (pretty-print . args) (require 'pretty-print)
-  (apply pretty-print args))
-
-;; (require 'transcript) would get us SLIB transcript -- not what we want.
-(define (transcript-on arg)
-  (load (in-vicinity (implementation-vicinity)
-		     (string-append "Tscript" (scheme-file-suffix))))
-  (transcript-on arg))
-(define (transcript-off)
-  (error "No transcript active"))
-
-;;; Macros.
-
-;;; Trace gets redefmacroed when tracef autoloads.
-(defmacro trace x
-  (if (null? x) '()
-      `(begin ,@(map (lambda (x) `(set! ,x (trace:tracef ,x ',x))) x))))
-(defmacro break x
-  (if (null? x) '()
-      `(begin ,@(map (lambda (x) `(set! ,x (break:breakf ,x ',x))) x))))
-
-(defmacro defvar (var val)
-  `(if (not (defined? ,var)) (define ,var ,val)))
-(defmacro defconst (name value)
-  (cond ((list? name) `(defconst ,(car name) (lambda ,(cdr name) ,value)))
-	(else (cond ((not (slib:eval `(defined? ,name))))
-		    ((and (symbol? name) (equal? (slib:eval value)
-						 (slib:eval name))))
-		    (else (slib:error 'trying-to-defconst name
-				      'to-different-value value)))
-	      `(define ,name ,value))))
-(defmacro casev (key . clauses)
-  `(case ,key
-     ,@(map (lambda (clause)
-	      (if (list? (car clause))
-		  (cons (apply
-			 append
-			 (map (lambda (elt)
-				(case elt
-				  ((unquote) '(unquote))
-				  ((unquote-splicing) '(unquote-splicing))
-				  (else
-				   (eval (list 'quasiquote (list elt))))))
-			      (car clause)))
-			(cdr clause))
-		  clause))
-	    clauses)))
-
-(defmacro fluid-let (clauses . body)
-  (let ((ids (map car clauses))
-	(temp (gentemp))
-	(swap (gentemp)))
-    `(let* ((,temp (list ,@(map cadr clauses)))
-	    (,swap (lambda () (set! ,temp (set! ,ids ,temp)))))
-       (dynamic-wind
-	   ,swap
-	   (lambda () ,@body)
-	   ,swap))))
-
-(define print-args
-  (procedure->syntax
-   (lambda (sexp env)
-     (set! env (environment->tree env))
-     (let ((frame (and (not (null? env)) (car env))))
-       (cond ((not (null? (cdr sexp)))
-	      (display "In")
-	      (for-each (lambda (exp) (display #\ ) (display exp)) (cdr sexp))
-	      (display ": ")))
-       (do ((vars (car frame) (cdr vars))
-	    (vals (cdr frame) (cdr vals)))
-	   ((not (pair? vars))
-	    (cond ((not (null? vars))
-		   (write vars)
-		   (display " := ")
-		   (write vals)))
-	    (newline))
-	 (write (car vars))
-	 (display " = ")
-	 (write (car vals))
-	 (display "; "))))))
-
-(cond
- ((defined? stack-trace)
-
-  #+breakpoint-error;; remove line to enable breakpointing on calls to ERROR
-  (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)
-    (cond ((stack-trace) (newline cep)))
-    (display " * Breakpoint established: (continue <val>) to return." cep)
-    (newline cep) (force-output cep)
-    (require 'debug) (apply breakpoint args))
-
-  (define (user-interrupt . args)
-    (define cep (current-error-port))
-    (newline cep) (display "ERROR: user interrupt" cep)
-    (newline cep)
-    (cond ((stack-trace) (newline cep)))
-    (display " * Breakpoint established: (continue <val>) to return." cep)
-    (newline cep) (force-output cep)
-    (require 'debug) (apply breakpoint args))
-  ))
-
-;;; ABS and MAGNITUDE can be the same.
-(cond ((and (inexact? (string->number "0.0")) (not (defined? exp)))
-       (or (and (defined? usr:lib)
-		(usr:lib "m")
-		(load (in-vicinity (implementation-vicinity) "Transcen")
-		      (usr:lib "m")))
-	   (load (in-vicinity (implementation-vicinity) "Transcen")))
-       (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 uniform-vector-read! uniform-array-read!)
-;      (define uniform-vector-write uniform-array-write)
-
-      (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)
-	(let ((dims (array-dimensions a)))
-	  (if (pair? dims)
-	      (map (lambda (ind) (if (number? ind) (list 0 (+ -1 ind)) ind))
-		   dims)
-	      dims)))))
-
-(define (alarm-interrupt) (alarm 0))
-(if (defined? setitimer)
-    (begin
-      (define profile-alarm #f)
-      (define (profile-alarm-interrupt) (profile-alarm 0))
-      (define virtual-alarm #f)
-      (define (virtual-alarm-interrupt) (virtual-alarm 0))
-      (define milli-alarm #f)
-      (let ((make-alarm
-	     (lambda (sym)
-	       (and (setitimer sym 0 0)	;DJGPP supports only REAL and PROFILE
-		    (lambda (value . interval)
-		      (cadr
-		       (setitimer sym value
-				  (if (pair? interval) (car interval) 0))))))))
-	(set! profile-alarm (make-alarm 'profile))
-	(set! virtual-alarm (make-alarm 'virtual))
-	(set! milli-alarm (make-alarm 'real)))))
-
-;;;; Initialize statically linked add-ons
-(cond ((defined? scm_init_extensions)
-       (scm_init_extensions)
-       (set! scm_init_extensions #f)))
-
-;;; Use *argv* instead of (program-arguments), to allow option
-;;; processing to be done on it.  "ScmInit.scm" must
-;;;	(set! *argv* (program-arguments))
-;;; if it wants to alter the arguments which BOOT-TAIL processes.
-(define *argv* #f)
-
-(if (not (defined? *R4RS-macro*))
-    (define *R4RS-macro* #f))
-(if (not (defined? *interactive*))
-    (define *interactive* #f))
-
-(define (boot-tail dumped?)
-  (cond ((not *argv*)
-	 (set! *argv* (program-arguments))
-	 (cond (dumped?
-		(set-vicinities! dumped?)
-		(verbose (if (and (isatty? (current-input-port))
-				  (isatty? (current-output-port)))
-			     (if (<= (length *argv*) 1) 2 1)
-			     0))))
-	 (cond ((provided? 'getopt)
-		(set! *optind* 1)
-		(set! *optarg* #f)))))
-
-;;; This loads the user's initialization file, or files named in
-;;; program arguments.
-  (or (eq? (software-type) 'THINKC)
-      (member "-no-init-file" (program-arguments))
-      (member "--no-init-file" (program-arguments))
-      (try-load (in-vicinity (or (home-vicinity) (user-vicinity))
-			     (string-append "ScmInit") (scheme-file-suffix)))
-      (errno 0))
-
-  (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" "-no-init-file"
-				  "-version" "-help" "p number"
-				  "r feature" "f filename" "l filename"
-				  "d filename" "c string" "e string"
-				  "o filename"))
-	   (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)
-	   (exe-name (symbol->string (scheme-implementation-type)))
-	   (up-name (apply string (map char-upcase (string->list exe-name)))))
-
-      (define (do-thunk thunk)
-	(if *interactive*
-	    (thunk)
-	    (let ((complete #f))
-	      (dynamic-wind
-	       (lambda () #f)
-	       (lambda ()
-		 (thunk)
-		 (set! complete #t))
-	       (lambda ()
-		 (if (not complete) (close-port (current-input-port))))))))
-
-      (define (do-string-arg)
-	(require 'string-port)
-	(do-thunk
-	 (lambda ()
-	   ((if *R4RS-macro* macro:eval 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 success?)
-	(define cep (if success? (current-output-port) (current-error-port)))
-	(define indent (make-string 6 #\ ))
-	(define i 3)
-	(cond ((char? opt) (set! opt (string opt)))
-	      ;;((symbol? opt) (set! opt (symbol->string opt)))
-	      )
-	(display (string-append preopt opt postopt) cep)
-	(newline cep)
-	(display (string-append "Usage: "
-				exe-name
-				" [-a kbytes] [-" 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))))
-	 (cdr arg-opts))
-	(display " [-- | -s | -] [file] [args...]" cep) (newline cep)
-	(if success? (display success? cep) (quit #f)))
-
-      ;; -a int => ignore (handled by scm_init_from_argv)
-      ;; -c str => (eval str)
-      ;; -e str => (eval str)
-      ;; -d str => (require 'database-utilities) (open-database str)
-      ;; -f str => (load str)
-      ;; -l str => (load str)
-      ;; -r str => (require str)
-      ;; -o str => (dump 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
-      ;; --no-init-file => don't load init file
-      ;; --help => print and exit
-      ;; --version => print and exit
-      ;; --     => last option
-
-      (let loop ((option (getopt-- argc *argv* opts)))
-	(case option
-	  ((#\a)
-	   (cond ((> *optind* 3)
-		  (usage "scm: option `-" getopt:opt "' must be first" #f))
-		 ((or (not (exact? (string->number *optarg*)))
-		      (not (<= 1 (string->number *optarg*) 10000)))
-		  ;;	This size limit should match scm.c ^^
-		  (usage "scm: option `-" getopt:opt
-			 (string-append *optarg* "' unreasonable") #f))))
-	  ((#\e #\c) (do-string-arg))	;sh-like
-	  ((#\f #\l) (do-load *optarg*)) ;(set-car! *argv* *optarg*)
-	  ((#\d) (require 'database-utilities)
-		 (open-database *optarg*))
-	  ((#\o) (require 'dump)
-		 (if (< *optind* (length *argv*))
-		     (dump *optarg* #t)
-		     (dump *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 'values)
-					  (require 'macro)
-					  (require 'eval)
-					  (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! didsomething #t)
-		 (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* "'" #f)))
-	  ((#\:) (usage "scm: option `-" getopt:opt "' requires an argument" #f))
-	  ((#\?) (usage "scm: unrecognized option `-" getopt:opt "'" #f))
-	  ((#f) (set! moreopts #f)	;sh-like
-		(cond ((and (< *optind* (length *argv*))
-			    (string=? "-" (list-ref *argv* *optind*)))
-		       (set! *optind* (+ 1 *optind*)))))
-	  (else
-	   (or (cond ((not (string? option)) #f)
-		     ((string-ci=? "no-init-file" option))
-		     ((string-ci=? "version" option)
-		      (display
-		       (string-append exe-name " "
-				      (scheme-implementation-version)
-				      "
-Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996 Free Software Foundation, Inc.
-"
-				      up-name
-				      " may be distributed under the terms of"
-				      " the GNU General Public Licence;
-certain other uses are permitted as well."
-				      " For details, see the file `COPYING',
-which is included in the "
-				      up-name " distribution.
-There is no warranty, to the extent permitted by law.
-"
-				      ))
-		      (cond ((execpath) =>
-			     (lambda (path)
-			       (display " This executable was loaded from ")
-			       (write path)
-			       (newline))))
-		      (quit #t))
-		     ((string-ci=? "help" option)
-		      (usage "This is "
-			     up-name
-			     ", a Scheme interpreter."
-			     (let ((sihp (scheme-implementation-home-page)))
-			       (if sihp
-				   (string-append "Latest info: " sihp "
-")
-				   "")))
-		      (quit #t))
-		     (else #f))
-	       (usage "scm: unknown option `--" option "'" #f))))
-
-	(cond ((and moreopts (< *optind* (length *argv*)))
-	       (loop (getopt-- argc *argv* opts)))
-	      ((< *optind* (length *argv*)) ;No more opts
-	       (set! *argv* (list-tail *argv* *optind*))
-	       (set! *optind* 1)
-	       (cond ((and (not didsomething) *script*)
-		      (do-load *script*)
-		      (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))
-	  ((and *R4RS-macro* (not (provided? '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 natural SCM repl.
-    )
-   (else
-    (begin (errno 0)
-	   (set! *interactive* #t)
-	   (for-each load (cdr (program-arguments)))))))