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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
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treea2be9aad5101c5e450ad141d15c514bc9c2a2963 /macscheme.init
downloadslib-8ffbc2df0fde83082610149d24e594c1cd879f4a.tar.gz
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+;;;"macscheme.init" Configuration of *features* for MacScheme -*-scheme-*-
+;Copyright (C) 1994 Aubrey Jaffer
+;
+;Permission to copy this software, to redistribute it, and to use it
+;for any purpose is granted, subject to the following restrictions and
+;understandings.
+;
+;1. Any copy made of this software must include this copyright notice
+;in full.
+;
+;2. I have made no warrantee or representation that the operation of
+;this software will be error-free, and I am under no obligation to
+;provide any services, by way of maintenance, update, or otherwise.
+;
+;3. In conjunction with products arising from the use of this
+;material, there shall be no use of my name in any advertising,
+;promotional, or sales literature without prior written consent in
+;each case.
+
+;;; From: jjb@isye.gatech.edu (John Bartholdi)
+
+;;; (software-type) should be set to the generic operating system type.
+;;; UNIX, VMS, MACOS, AMIGA and MS-DOS are supported.
+
+(define (software-type) 'MACOS)
+
+;;; (scheme-implementation-type) should return the name of the scheme
+;;; implementation loading this file.
+
+(define (scheme-implementation-type) 'MacScheme)
+
+;;; (scheme-implementation-version) should return a string describing
+;;; the version the scheme implementation loading this file.
+
+(define (scheme-implementation-version) "4.2")
+
+;;; (implementation-vicinity) should be defined to be the pathname of
+;;; the directory where any auxillary files to your Scheme
+;;; implementation reside.
+
+(define (implementation-vicinity) "Macintosh.HD:MacScheme 4.2:")
+
+;;; (library-vicinity) should be defined to be the pathname of the
+;;; directory where files of Scheme library functions reside.
+
+(define (library-vicinity) "Macintosh.HD:MacScheme 4.2:slib:")
+
+;;; *FEATURES* should be set to a list of symbols describing features
+;;; of this implementation. Suggestions for features are:
+
+(define *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!
+ rev3-procedures ;LAST-PAIR, T, and NIL
+; 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
+ ))
+
+;;; (OUTPUT-PORT-WIDTH <port>)
+(define (output-port-width . arg) 79)
+
+;;; (OUTPUT-PORT-HEIGHT <port>)
+(define (output-port-height . arg) 24)
+
+;;; (CURRENT-ERROR-PORT)
+(define current-error-port
+ (let ((port (current-output-port)))
+ (lambda () port)))
+
+;;; (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>)
+(define (file-exists? f) #f)
+
+;;; (DELETE-FILE <string>)
+(define (delete-file f) #f)
+
+;;; 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 . arg) #t)
+
+;;; CALL-WITH-INPUT-STRING and CALL-WITH-OUTPUT-STRING are the string
+;;; port versions of CALL-WITH-*PUT-FILE.
+(define (call-with-output-string f)
+ (let ((outsp (open-output-string)))
+ (f outsp)
+ (let ((s (get-output-string outsp)))
+ (close-output-port outsp)
+ s)))
+
+(define (call-with-input-string s f)
+ (let* ((insp (open-input-string s))
+ (res (f insp)))
+ (close-input-port insp)
+ res))
+
+;;; 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 536870911)
+
+;;; Return argument
+(define (identity x) x)
+
+;;; If your implementation provides eval 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)
+ (require 'defmacroexpand) (apply defmacro:expand* x '()))
+
+(define (defmacro:load <pathname>)
+ (slib:eval-load <pathname> defmacro:eval))
+
+(define (slib:eval-load <pathname> evl)
+ (if (not (file-exists? <pathname>))
+ (set! <pathname> (string-append <pathname> (scheme-file-suffix))))
+ (call-with-input-file <pathname>
+ (lambda (port)
+ (let ((old-load-pathname *load-pathname*))
+ (set! *load-pathname* <pathname>)
+ (do ((o (read port) (read port)))
+ ((eof-object? o))
+ (evl o))
+ (set! *load-pathname* old-load-pathname)))))
+
+;;; define an error procedure for the library
+(define slib:error
+ (lambda args
+ (cerror "Error: " args)))
+
+;;; define these as appropriate for your system.
+(define slib:tab #\tab)
+(define slib:form-feed #\page)
+
+;;; Define these if your implementation's syntax can support it and if
+;;; they are not already defined.
+
+;(define (1+ n) (+ n 1))
+;(define (-1+ n) (+ n -1))
+;(define 1- -1+)
+
+(define in-vicinity string-append)
+
+;;; Define SLIB:EXIT to be the implementation procedure to exit or
+;;; return if exitting not supported.
+; MacScheme does not return a value when it exits,
+; so simply invoke system procedure exit with 0 args.
+(define slib:exit (lambda args (exit)))
+
+;;; Here for backward compatability
+(define scheme-file-suffix
+ (let ((suffix (case (software-type)
+ ((NOSVE) "_scm")
+ (else ".scm"))))
+ (lambda () suffix)))
+
+;;; (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 load)
+(define (slib:load-source f) (load (string-append f (scheme-file-suffix))))
+
+;;; (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 load)
+
+;;; At this point SLIB:LOAD must be able to load SLIB files.
+
+(define slib:load slib:load-source)
+
+(slib:load (in-vicinity (library-vicinity) "require"))