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authorBryan Newbold <bnewbold@robocracy.org>2017-02-20 00:05:25 -0800
committerBryan Newbold <bnewbold@robocracy.org>2017-02-20 00:05:25 -0800
commit3278b75942bdbe706f7a0fba87729bb1e935b68b (patch)
treedcad4048dfc0b38367047426b2b14501bf5ff257 /Init5c3.scm
parentdb04688faa20f3576257c0fe41752ec435beab9a (diff)
downloadscm-3278b75942bdbe706f7a0fba87729bb1e935b68b.tar.gz
scm-3278b75942bdbe706f7a0fba87729bb1e935b68b.zip
Import Upstream version 5d2upstream/5d2
Diffstat (limited to 'Init5c3.scm')
-rw-r--r--Init5c3.scm966
1 files changed, 0 insertions, 966 deletions
diff --git a/Init5c3.scm b/Init5c3.scm
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--- a/Init5c3.scm
+++ /dev/null
@@ -1,966 +0,0 @@
-;; Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996 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, 675 Mass Ave, Cambridge, MA 02139, 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) "5c3")
-
-(define pathname->vicinity
- (let ((*vicinity-suffix*
- (case (software-type)
- ((AMIGA) '(#\: #\/))
- ((MS-DOS WINDOWS ATARIST OS/2) '(#\\ #\/))
- ((MACOS THINKC) '(#\:))
- ((NOSVE) '(#\: #\.))
- ((UNIX COHERENT) '(#\/))
- ((VMS) '(#\: #\])))))
- (lambda (pathname)
- ;;Go up one level if PATHNAME ends in a vicinity suffix.
- (let loop ((i (- (string-length pathname) 2)))
- (cond ((negative? i) "")
- ((memv (string-ref pathname i) *vicinity-suffix*)
- (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!)
- (set! implementation-vicinity
- (let ((vic (if *load-pathname* ;Happens when not dumped.
- (program-vicinity)
- (let ((path
- (or (getenv "SCM_INIT_PATH")
- (find-init-file (execpath #t)))))
- (if path
- (pathname->vicinity path)
- (or (and (procedure? implementation-vicinity)
- (implementation-vicinity))
- (error "Can't find SCM_INIT_PATH")))))))
- (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!)
-
-;;; 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
- multiarg-apply multiarg/and- logical defmacro
- string-port source current-time)
- *features*))
-
-(define (exec-self)
- (require 'i/o-extensions)
- (execv (execpath) (program-arguments)))
-
-(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: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))
- (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))))
- ((#\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 ((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)))
- (else (barf))))
-
-(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 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 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)
- (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 (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 (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 (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: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 (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))
-
-;;; 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) (eqv? (slib:eval value)
- (slib:eval name))))
- (else (slib:error 'trying-to-defconst name
- 'to-different-value value)))
- `(define ,name ,value))))
-(defmacro casev (key . clauses)
- (let ((clauses
- (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)))
- `(case ,key ,@clauses)))
-
-(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)))))
-
-;;;; 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!)
- (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) (quit #f)))))))
-
- (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 run_scm)
- ;; -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 'dynamic-wind)
- (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)
- (display " This executable was loaded from ")
- (display (execpath))
- (newline)))
- (quit #t))
- ((string-ci=? "help" option)
- (usage "This is "
- up-name
- ", a Scheme interpreter."
- (string-append
- "Latest info: "
- "http://swissnet.ai.mit.edu/~jaffer/"
- up-name ".html
-"
- ))
- (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 ((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))
- ((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)))))))