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+;; "bigloo.init" Initialization for SLIB for Bigloo -*-scheme-*-
+;; Copyright 1994 Robert Sanders
+;; Copyright 1991, 1992, 1993 Aubrey Jaffer
+;; Copyright 1991 David Love
+;;
+;; 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.
+
+(define (software-type) 'UNIX)
+
+;;; (scheme-implementation-type) should return the name of the scheme
+;;; implementation loading this file.
+
+(define (scheme-implementation-type) 'Bigloo)
+
+;;; (scheme-implementation-version) should return a string describing
+;;; the version the scheme implementation loading this file.
+
+;;; (scheme-implementation-home-page) should return a (string) URL
+;;; (Uniform Resource Locator) for this scheme implementation's home
+;;; page; or false if there isn't one.
+
+(define (scheme-implementation-home-page)
+ "http://kaolin.unice.fr/~serrano/bigloo/bigloo.html")
+
+(define (scheme-implementation-version) "2.0c")
+
+;;; (implementation-vicinity) should be defined to be the pathname of
+;;; the directory where any auxillary files to your Scheme
+;;; implementation reside.
+
+(define (implementation-vicinity)
+ (case (software-type)
+ ((UNIX) "/usr/unsup/lib/bigloo/")
+ ((VMS) "scheme$src:")
+ ((MSDOS) "C:\\scheme\\")))
+
+;;; (library-vicinity) should be defined to be the pathname of the
+;;; directory where files of Scheme library functions reside.
+
+(define library-vicinity
+ (let ((library-path
+ (or
+ ;; Use this getenv if your implementation supports it.
+ (getenv "SCHEME_LIBRARY_PATH")
+ ;; Use this path if your scheme does not support GETENV
+ ;; or if SCHEME_LIBRARY_PATH is not set.
+ (case (software-type)
+ ((UNIX) "/home/bambam/leavens/unsup-src/scheme/scm/slib/")
+ ((VMS) "lib$scheme:")
+ ((MSDOS) "C:\\SLIB\\")
+ (else "")))))
+ (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
+ (let ((home-path (getenv "HOME")))
+ (lambda () home-path)))
+
+;;; *FEATURES* should be set to a list of symbols describing features
+;;; of this implementation. See Template.scm for the list of feature
+;;; names.
+
+(define *features*
+ '(
+ source ;can load scheme source files
+ ;(slib:load-source "filename")
+ rev4-report ;conforms to
+ rev3-report ;conforms to
+ ieee-p1178 ;conforms to
+ rev4-optional-procedures
+ rev3-procedures
+ multiarg/and-
+ multiarg-apply
+ rationalize
+ object-hash
+ delay
+ promise
+ with-file
+ transcript
+ ieee-floating-point
+ eval
+ pretty-print
+ object->string
+ string-case
+ string-port
+ system
+ getenv
+ defmacro
+ ;;full-continuation ;not without the -call/cc switch
+ ))
+
+(define pretty-print pp)
+
+(define (object->string x) (obj->string x))
+
+;;; 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+)
+
+;;; (OUTPUT-PORT-WIDTH <port>)
+(define (output-port-width . arg) 79)
+
+;;; (OUTPUT-PORT-HEIGHT <port>)
+(define (output-port-height . arg) 24)
+
+;;; (TMPNAM) makes a temporary file name.
+(define tmpnam
+ (let ((cntr 100))
+ (lambda ()
+ (set! cntr (+ 1 cntr))
+ (let ((tmp (string-append "slib_" (number->string cntr))))
+ (if (file-exists? tmp) (tmpnam) tmp)))))
+
+;;; 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 . args)
+ (flush-output-port (if (pair? args) (car args) (current-output-port))))
+
+;;; 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)
+ (close-output-port outsp)))
+
+(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)
+
+;; define an error procedure for the library
+
+;;; If your implementation provides eval, SLIB:EVAL is single argument
+;;; eval using the top-level (user) environment.
+(define slib:eval eval)
+
+(define-macro (defmacro name . forms)
+ `(define-macro (,name . ,(car forms)) ,@(cdr forms)))
+
+(define (defmacro? m) (get-eval-expander m))
+(define (macroexpand-1 body) (expand-once body))
+(define (macroexpand body) (expand body))
+
+(define (gentemp) (gensym))
+
+(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 (slib:error . args)
+ (error 'slib:error "" args))
+
+;; define these as appropriate for your system.
+(define slib:tab (integer->char 9))
+(define slib:form-feed (integer->char 12))
+
+;;; records
+(defmacro define-record forms
+ (let* ((name (car forms))
+ (maker-name (symbol-append 'make- name)))
+ `(begin
+ (define-struct ,name ,@(cadr forms))
+ (define ,maker-name ,name))
+ ))
+
+
+(define (promise:force p) (force p))
+
+;;; (implementation-vicinity) should be defined to be the pathname of
+;;; the directory where any auxillary files to your Scheme
+;;; implementation reside.
+
+(define in-vicinity string-append)
+
+;;; Define SLIB:EXIT to be the implementation procedure to exit or
+;;; return if exitting not supported.
+(define slib:exit (lambda args (exit 0)))
+
+;;; 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 f) (loadq (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 loadq)
+
+;;; At this point SLIB:LOAD must be able to load SLIB files.
+
+(define slib:load slib:load-source)
+
+(define defmacro:eval slib:eval)
+(define defmacro:load slib:load)
+
+;;; If your implementation provides R4RS macros:
+;(define macro:eval slib:eval)
+;(define macro:load load)
+
+(slib:load (in-vicinity (library-vicinity) "require"))
+; eof