1 files changed, 0 insertions, 419 deletions
diff --git a/DrScheme.init b/DrScheme.init
deleted file mode 100644
index d921cec..0000000
--- a/DrScheme.init
+++ /dev/null
@@ -1,419 +0,0 @@
-;;;"DrScheme.init" Initialization for SLIB for DrScheme	-*-scheme-*-
-;;; This code is in the public domain.
-
-;;@ (software-type) should be set to the generic operating system type.
-;;; unix, vms, macos, amiga and ms-dos are supported.
-(define (software-type)
-  (case (system-type)
-    [(unix macosx) 'unix]
-    [(windows) 'ms-dos]
-    [(macos) 'macos]
-    [else (system-type)]))
-
-;;@ (scheme-implementation-type) should return the name of the scheme
-;;; implementation loading this file.
-(define (scheme-implementation-type) '|MzScheme|)
-
-;;@ (scheme-implementation-home-page) should return a (string) URI
-;;; (Uniform Resource Identifier) for this scheme implementation's home
-;;; page; or false if there isn't one.
-(define (scheme-implementation-home-page) "http://www.plt-scheme.org/")
-
-;;@ (scheme-implementation-version) should return a string describing
-;;; the version the scheme implementation loading this file.
-(define scheme-implementation-version version)
-
-;;@ (implementation-vicinity) should be defined to be the pathname of
-;;; the directory where any auxillary files to your Scheme
-;;; implementation reside.
-(define implementation-vicinity
-  (let ([path
-	 (or (getenv "PLTHOME")
-	     (with-handlers ([void (lambda (x) #f)])
-	       (let ([p (collection-path "mzlib")])
-		 (let*-values ([(base name dir?) (split-path p)]
-			       [(base name dir?) (split-path base)])
-		   (and (path? base) (path->string base)))))
-	     (case (system-type)
-	       ((unix macosx) "/usr/local/lib/plt")
-	       ((windows) "C:\\Program Files\\PLT")
-	       ((macos) "My Disk:plt:")))])
-    (lambda () path)))
-
-;;@ (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
-          ;; Use this getenv if your implementation supports it.
-          (getenv "SCHEME_LIBRARY_PATH")
-          ;; Try an slib collection first
-          (with-handlers ([void (lambda (x) #f)])
-            (path->string (collection-path "slib")))
-          ;; look for slib in a few common places
-          (ormap (lambda (dir)
-                   (and (directory-exists? dir) dir))
-                 '("/usr/local/lib/slib/"
-		   "/usr/share/slib"
-                   ;; this is for RH/Fedora that uses umb-scheme for slib
-                   ;;"/usr/share/umb-scheme/slib"
-		   ))
-          (error 'slib-init
-                 "can't find SCHEME_LIBRARY_PATH environment variable, \"slib\" collection, or a system slib directory"))))
-    (lambda () library-path)))
-
-;;@ (home-vicinity) should return the vicinity of the user's HOME
-;;; directory, the directory which typically contains files which
-;;; customize a computer environment for a user.
-(define (home-vicinity)
-  (path->string (find-system-path 'home-dir)))
-;@
-(define in-vicinity
-  (lambda args
-    (path->string
-     (let loop ([args args])
-       (cond
-	[(null? (cdr args)) (car args)]
-	[(string=? "" (car args)) (loop (cdr args))]
-	[else (let ([v (loop (cdr args))])
-		(build-path (car args) v))])))))
-;@
-(define (user-vicinity)
-  (path->string (build-path 'same)))
-;@
-(define vicinity:suffix?
-  (let ((suffi
-	 (case (software-type)
-	   ((amiga)				'(#\: #\/))
-	   ((macos thinkc)			'(#\:))
-	   ((ms-dos windows atarist os/2)	'(#\\ #\/))
-	   ((nosve)				'(#\: #\.))
-	   ((unix coherent plan9)		'(#\/))
-	   ((vms)				'(#\: #\]))
-	   (else
-	    (slib:warn "require.scm" 'unknown 'software-type (software-type))
-	    "/"))))
-    (lambda (chr) (and (memv chr suffi) #t))))
-;@
-(define (pathname->vicinity pathname)
-  (let loop ((i (- (string-length pathname) 1)))
-    (cond ((negative? i) "")
-	  ((vicinity:suffix? (string-ref pathname i))
-	   (substring pathname 0 (+ i 1)))
-	  (else (loop (- i 1))))))
-;@
-(define (program-vicinity)
-  (path->string
-   (or (current-load-relative-directory)
-       (current-directory))))
-;@
-(define sub-vicinity
-  (lambda (vic name)
-    (path->string (build-path vic name))))
-;@
-(define (make-vicinity <pathname>) <pathname>)
-;@
-(define with-load-pathname
-  (lambda (a thunk) (thunk)))
-
-;;; slib:features should be set to a list of symbols describing
-;;; features of this implementation.  Suggestions for features are:
-
-(define slib:features
-      '(
-	source				;can load scheme source files
-					;(slib:load-source "filename")
-	compiled			;can load compiled files
-					;(slib:load-compiled "filename")
-	rev4-report			;conforms to
-;;;	rev3-report			;conforms to
-;;;	ieee-p1178			;conforms to
-;;;	sicp				;runs code from Structure and
-					;Interpretation of Computer
-					;Programs by Abelson and Sussman.
-	rev4-optional-procedures	;LIST-TAIL, STRING->LIST,
-					;LIST->STRING, STRING-COPY,
-					;STRING-FILL!, LIST->VECTOR,
-					;VECTOR->LIST, and VECTOR-FILL!
-;;;	rev2-procedures			;SUBSTRING-MOVE-LEFT!,
-					;SUBSTRING-MOVE-RIGHT!,
-					;SUBSTRING-FILL!,
-					;STRING-NULL?, APPEND!, 1+,
-					;-1+, <?, <=?, =?, >?, >=?
-	multiarg/and-			;/ and - can take more than 2 args.
-	multiarg-apply			;APPLY can take more than 2 args.
-	rationalize
-	delay				;has DELAY and FORCE
-	with-file			;has WITH-INPUT-FROM-FILE and
-					;WITH-OUTPUT-FROM-FILE
-	string-port			;has CALL-WITH-INPUT-STRING and
-					;CALL-WITH-OUTPUT-STRING
-;;;	transcript			;TRANSCRIPT-ON and TRANSCRIPT-OFF
-	char-ready?
-	macro				;has R4RS high level macros
-	defmacro			;has Common Lisp DEFMACRO
-	eval				;SLIB:EVAL is single argument eval
-;;;	record				;has user defined data structures
-	values				;proposed multiple values
-	dynamic-wind			;proposed dynamic-wind
-	ieee-floating-point		;conforms to
-	full-continuation		;can return multiple times
-;;;	object-hash			;has OBJECT-HASH
-
-;;;	sort
-;;;	queue				;queues
-	pretty-print
-;;;	object->string
-;;;	format
-;;;	trace				;has macros: TRACE and UNTRACE
-;;;	compiler			;has (COMPILER)
-;;;	ed				;(ED) is editor
-	system				;posix (system <string>)
-	getenv				;posix (getenv <string>)
-	program-arguments		;returns list of strings (argv)
-;;;	Xwindows			;X support
-;;;	curses				;screen management package
-;;;	termcap				;terminal description package
-;;;	terminfo			;sysV terminal description
-	fluid-let
-	srfi-59
-	vicinity
-	current-time			;returns time in seconds since 1/1/1970
-	))
-;@
-(define program-arguments
-  (lambda ()
-    (vector->list (current-command-line-arguments))))
-
-(require (lib "pretty.ss"))
-(unless (memq (system-type) '(unix beos))
-  (namespace-require '(lib "date.ss")))
-;@
-(define current-time
-  ;; Gives time since 1/1/1970 ...
-  ;;   ... GMT for Unix, Windows, and Mac OS X.
-  ;;   ... local time for Mac OS.
-  (if (memq (system-type) '(unix macosx windows))
-      current-seconds
-      (let ([zero (find-seconds 0 0 0 1 1 1970)])
-	(lambda ()
-	  (- (current-seconds) zero)))))
-
-;;@ (OUTPUT-PORT-WIDTH <port>)
-(define (output-port-width . arg) 79)
-
-;;@ (OUTPUT-PORT-HEIGHT <port>)
-(define (output-port-height . arg) 24)
-
-;;; (CURRENT-ERROR-PORT)
-;; Already in MzScheme
-
-;;@ (TMPNAM) makes a temporary file name.
-(define tmpnam (let ((cntr 100))
-		 (lambda () (set! cntr (+ 1 cntr))
-			 (string-append "slib_" (number->string cntr)))))
-
-;;; (FILE-EXISTS? <string>)
-;; Already in MzScheme
-
-;;; (DELETE-FILE <string>)
-;; Already in MzScheme
-
-;;@ FORCE-OUTPUT flushes any pending output on optional arg output port
-;;; use this definition if your system doesn't have such a procedure.
-(define force-output flush-output)
-
-;;@ CALL-WITH-INPUT-STRING and CALL-WITH-OUTPUT-STRING are the string
-;;; port versions of CALL-WITH-*PUT-FILE.
-(define call-with-input-string
-  (lambda (string thunk)
-    (parameterize ((current-input-port (open-input-string string)))
-      (thunk (current-input-port)))))
-(define call-with-output-string
-  (lambda (receiver)
-    (let ((sp (open-output-string)))
-      (receiver sp)
-      (get-output-string sp))))
-
-;;; "rationalize" adjunct procedures.
-(define (find-ratio x e)
-  (let ((rat (rationalize x e)))
-    (list (numerator rat) (denominator rat))))
-(define (find-ratio-between x y)
-  (find-ratio (/ (+ x y) 2) (/ (- x y) 2)))
-
-;;@ CHAR-CODE-LIMIT is one greater than the largest integer which can
-;;; be returned by CHAR->INTEGER.
-(define char-code-limit 256)
-
-;;@ MOST-POSITIVE-FIXNUM is used in modular.scm
-(define most-positive-fixnum #x3FFFFFFF) ; 30 bits on 32-bit machines
-; (define most-positive-fixnum #x3FFFFFFFFFFFFFFF) ; 62 bits on 64-bit machines
-
-;;@ Return argument
-(define (identity x) x)
-
-;;@ SLIB:EVAL is single argument eval using the top-level (user) environment.
-(define slib:eval eval)
-
-;;; If your implementation provides R4RS macros:
-;(define macro:eval slib:eval)
-;(define macro:load load)
-(define *defmacros*
-  (list (cons 'defmacro
-	      (lambda (name parms . body)
-		`(set! *defmacros* (cons (cons ',name (lambda ,parms ,@body))
-					 *defmacros*))))))
-;@
-(define (defmacro? m) (and (assq m *defmacros*) #t))
-;@
-(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 "slib:G" (number->string *gensym-counter*))))))
-
-(define base:eval slib:eval)
-;@
-(define (defmacro:eval x) (base:eval (defmacro:expand* x)))
-(define (defmacro:expand* x)
-  (slib:require 'defmacroexpand) (apply defmacro:expand* x '()))
-;@
-(define (defmacro:load <pathname>)
-  (slib:eval-load <pathname> defmacro:eval))
-;; slib:eval-load definition moved to "require.scm"
-;@
-(define slib:warn
-  (lambda args
-    (let ((cep (current-error-port)))
-      (if (provided? 'trace) (print-call-stack cep))
-      (display "Warn: " cep)
-      (for-each (lambda (x) (display #\space cep) (write x cep)) args)
-      (newline cep))))
-
-;;@ define an error procedure for the library
-(define slib:error
-  (let ((error error))
-    (lambda args
-      (let ((cep (current-error-port)))
-	(if (provided? 'trace) (print-call-stack cep))
-	(apply error "Error:" args)))))
-;@
-(define (make-exchanger obj)
-  (lambda (rep) (let ((old obj)) (set! obj rep) old)))
-;@
-(define (open-file filename modes)
-  (case modes
-    ((r rb) (open-input-file filename))
-    ((w wb) (open-output-file filename))
-    (else (slib:error 'open-file 'mode? modes))))
-;;(define (port? obj) (or (input-port? obj) (output-port? obj)))
-;@
-(define (call-with-open-ports . ports)
-  (define proc (car ports))
-  (cond ((procedure? proc) (set! ports (cdr ports)))
-	(else (set! ports (reverse ports))
-	      (set! proc (car ports))
-	      (set! ports (reverse (cdr ports)))))
-  (let ((ans (apply proc ports)))
-    (for-each close-port ports)
-    ans))
-;@
-(define (close-port port)
-  (cond ((input-port? port)
-	 (close-input-port port)
-	 (if (output-port? port) (close-output-port port)))
-	((output-port? port) (close-output-port port))
-	(else (slib:error 'close-port 'port? port))))
-;@
-(define (browse-url url)
-  (define (try cmd end) (zero? (system (string-append cmd url end))))
-  (or (try "netscape-remote -remote 'openURL(" ")'")
-      (try "netscape -remote 'openURL(" ")'")
-      (try "netscape '" "'&")
-      (try "netscape '" "'")))
-
-;;@ define these as appropriate for your system.
-(define slib:tab (integer->char 9))
-(define slib:form-feed (integer->char 12))
-
-;;@ Support for older versions of Scheme.  Not enough code for its own file.
-(define (last-pair l) (if (pair? (cdr l)) (last-pair (cdr l)) l))
-(define t #t)
-(define nil #f)
-
-;;@ Define these if your implementation's syntax can support it and if
-;;; they are not already defined.
-(define 1+ add1)
-(define -1+ sub1)
-(define 1- -1+)
-
-;;@ Define SLIB:EXIT to be the implementation procedure to exit or
-;;; return if exiting not supported.
-(define slib:exit exit)
-
-;;@ Here for backward compatability
-(define scheme-file-suffix
-  (let ((suffix (case (software-type)
-		  ((nosve) "_scm")
-		  (else ".scm"))))
-    (lambda () suffix)))
-
-(define (ensure-path-string p)
-  (if (path? p) (path->string p) p))
-
-;;@ (SLIB:LOAD-SOURCE "foo") should load "foo.scm" or with whatever
-;;; suffix all the module files in SLIB have.  See feature 'SOURCE.
-(define (slib:load-source f)
-  (load (string-append (ensure-path-string f) ".scm")))
-
-;;@ (SLIB:LOAD-COMPILED "foo") should load the file that was produced
-;;; by compiling "foo.scm" if this implementation can compile files.
-;;; See feature 'COMPILED.
-(define (slib:load-compiled f)
-  (load (string-append (ensure-path-string f) ".zo")))
-
-;;@ At this point SLIB:LOAD must be able to load SLIB files.
-(define slib:load slib:load-source)
-
-(require (rename mzscheme mz:require require))
-
-(slib:load (in-vicinity (library-vicinity) "require"))
-
-;;; Hack `require' to work with both SLIB and MzScheme:
-(define-syntax (require stx)
-  (syntax-case stx (quote)
-    [_
-     (identifier? stx)
-     #'slib:require]
-    [(_ (quote something))
-     #'(slib:require (quote something))]
-    [(_ req ...)
-     (if (eq? 'top-level (syntax-local-context))
-	 #'(mz:require req ...)
-	 #'(slib:require req ...))]))
-
-;;; Previously loaded "/usr/local/lib/plt/collects/slibinit/init.ss"
-(cond ((string<? (version) "200")
-       (require-library "init.ss" "slibinit"))
-      (else
-       ;;(load (build-path (collection-path "slibinit") "init.ss"))
-       (eval '(require (lib "defmacro.ss")))))