From 87b82b5822ca54228cfa6df29be3ad9d4bc47d16 Mon Sep 17 00:00:00 2001 From: Bryan Newbold Date: Mon, 20 Feb 2017 00:05:28 -0800 Subject: Import Upstream version 2d2 --- s48-0_57.init | 381 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 381 insertions(+) create mode 100644 s48-0_57.init (limited to 's48-0_57.init') diff --git a/s48-0_57.init b/s48-0_57.init new file mode 100644 index 0000000..1654cca --- /dev/null +++ b/s48-0_57.init @@ -0,0 +1,381 @@ +;;;"scheme48.init" Initialisation for SLIB for Scheme48-0.57 -*-scheme-*- +;;; Author: Aubrey Jaffer +;;; +;;; This code is in the public domain. + +,batch on +,load-package floatnums +,config +,load =scheme48/misc/packages.scm +(define-structure slib-primitives + (export s48-getenv + s48-system + s48-current-error-port + s48-force-output + s48-with-handler + s48-ascii->char + s48-error) + (open scheme signals ascii extended-ports i/o primitives handle + posix c-system-function) + (begin + (define s48-getenv lookup-environment-variable) + (define s48-system system) + (define s48-current-error-port current-error-port) + (define s48-force-output force-output) + (define s48-with-handler with-handler) + (define s48-ascii->char ascii->char) + (define s48-error error))) +,user +,open slib-primitives + +(define getenv s48-getenv) +(define system s48-system) + +;;; (software-type) should be set to the generic operating system type. +;;; UNIX, VMS, MACOS, AMIGA and MS-DOS are supported. + +(define (software-type) 'UNIX) + +;;; (scheme-implementation-type) should return the name of the scheme +;;; implementation loading this file. + +(define (scheme-implementation-type) 'Scheme48) + +;;; (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://s48.org/") + +;;; (scheme-implementation-version) should return a string describing +;;; the version of the scheme implementation loading this file. + +(define scheme-implementation-version + (let ((version (getenv "S48_VERSION"))) + (lambda () version))) + +;;; (implementation-vicinity) should be defined to be the pathname of +;;; the directory where any auxiliary files to your Scheme +;;; implementation reside. + +(define implementation-vicinity + (let ((vic (getenv "S48_VICINITY"))) + (lambda () vic))) + +;;; (library-vicinity) should be defined to be the pathname of the +;;; directory where files of Scheme library functions reside. + +(define library-vicinity + (let ((vic (getenv "SCHEME_LIBRARY_PATH"))) + (lambda () vic))) + +;;; (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))) + +(let* ((siv (scheme-implementation-version)) + (num-ver (and siv (string->number siv)))) + (cond ((not num-ver)) + ((>= num-ver 0.54) + (set! system #f)))) + +;;; *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") +; compiled ;can load compiled files + ;(slib:load-compiled "filename") + + ;; Scheme report features + + rev5-report ;conforms to + eval ;R5RS two-argument eval + values ;R5RS multiple values + dynamic-wind ;R5RS dynamic-wind + macro ;R5RS high level macros + delay ;has DELAY and FORCE + multiarg-apply ;APPLY can take more than 2 args. + char-ready? + rationalize + rev4-optional-procedures ;LIST-TAIL, STRING->LIST, + ;LIST->STRING, STRING-COPY, + ;STRING-FILL!, LIST->VECTOR, + ;VECTOR->LIST, and VECTOR-FILL! + + rev4-report ;conforms to + + ieee-p1178 ;conforms to + +; rev3-report ;conforms to + +; rev2-procedures ;SUBSTRING-MOVE-LEFT!, + ;SUBSTRING-MOVE-RIGHT!, + ;SUBSTRING-FILL!, + ;STRING-NULL?, APPEND!, 1+, + ;-1+, ?, >=? +; object-hash ;has OBJECT-HASH + +; multiarg/and- ;/ and - can take more than 2 args. + with-file ;has WITH-INPUT-FROM-FILE and + ;WITH-OUTPUT-FROM-FILE +; transcript ;TRANSCRIPT-ON and TRANSCRIPT-OFF +; ieee-floating-point ;conforms to IEEE Standard 754-1985 + ;IEEE Standard for Binary + ;Floating-Point Arithmetic. + full-continuation ;can return multiple times + + ;; Other common features + +; srfi ;srfi-0, COND-EXPAND finds all srfi-* +; sicp ;runs code from Structure and + ;Interpretation of Computer + ;Programs by Abelson and Sussman. + defmacro ;has Common Lisp DEFMACRO +; record ;has user defined data structures +; string-port ;has CALL-WITH-INPUT-STRING and + ;CALL-WITH-OUTPUT-STRING +; sort +; pretty-print +; object->string +; format ;Common-lisp output formatting +; trace ;has macros: TRACE and UNTRACE +; compiler ;has (COMPILER) +; ed ;(ED) is editor + system ;posix (system ) + getenv ;posix (getenv ) +; program-arguments ;returns list of strings (argv) +; current-time ;returns time in seconds since 1/1/1970 + ;; Implementation Specific features + )) + +;;; (OUTPUT-PORT-WIDTH ) +(define (output-port-width . arg) 79) + +;;; (OUTPUT-PORT-HEIGHT ) +(define (output-port-height . arg) 24) + +;;; (CURRENT-ERROR-PORT) +(define current-error-port s48-current-error-port) + +;;; (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))))) + +;;; (FILE-EXISTS? ) +(define (file-exists? f) + (call-with-current-continuation + (lambda (k) + (s48-with-handler + (lambda (condition decline) + (k #f)) + (lambda () + (close-input-port (open-input-file f)) + #t))))) + +;;; (DELETE-FILE ) +(define (delete-file file-name) + (system (string-append "rm " file-name))) + +;;; 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) + (s48-force-output + (if (null? arg) (current-output-port) (car arg)))) + +;;; "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 integer->char s48-ascii->char) +(define char->integer + (let ((char->integer char->integer) + (code0 (char->integer (integer->char 0)))) + (lambda (char) (- (char->integer char) code0)))) +(define char-code-limit 256) + +;;; Workaround MODULO bug +(define modulo + (let ((modulo modulo)) + (lambda (n1 n2) + (let ((ans (modulo n1 n2))) + (if (= ans n2) (- ans ans) ans))))) + +;;; Workaround atan bug +(define two-arg:atan atan) +(define (atan y . x) + (if (null? x) (two-arg:atan y 1) (two-arg:atan y (car x)))) + +;;; MOST-POSITIVE-FIXNUM is used in modular.scm +(define most-positive-fixnum #x1FFFFFFF) + +;;; Return argument +(define (identity x) x) + +;;; SLIB:EVAL is single argument eval using the top-level (user) environment. +(define slib:eval + (let ((eval eval) + (interaction-environment interaction-environment)) + (lambda (form) + (eval form (interaction-environment))))) + +;;; If your implementation provides R4RS macros: +(define macro:eval slib:eval) +(define (macro:load ) + (if (not (file-exists? )) + (set! (string-append (scheme-file-suffix)))) + (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:load macro:load) + +(define (slib:eval-load evl) + (if (not (file-exists? )) + (set! (string-append (scheme-file-suffix)))) + (call-with-input-file + (lambda (port) + (let ((old-load-pathname *load-pathname*)) + (set! *load-pathname* ) + (do ((o (read port) (read port))) + ((eof-object? o)) + (evl o)) + (set! *load-pathname* old-load-pathname))))) + +(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 x cep)) args)))) + +;;; define an error procedure for the library +(define (slib:error . args) + ;;(if (provided? 'trace) (print-call-stack (current-error-port))) + (apply s48-error args)) + +;;; define these as appropriate for your system. +(define slib:tab (s48-ascii->char 9)) +(define slib:form-feed (s48-ascii->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 them 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. +(define slib:exit (lambda args #f)) + +;;; Here for backward compatability +(define scheme-file-suffix + (case (software-type) + ((NOSVE) (lambda () "_scm")) + (else (lambda () ".scm")))) + +;;; (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 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) + +;;; Scheme48 complains that these are not defined (even though they +;;; won't be called until they are). +(define synclo:load #f) +(define syncase:load #f) +(define macwork:load #f) +(define transcript-on #f) +(define transcript-off #f) + +;;; Jacques Mequin wins the Spring 2001 SLIB extreme cleverness award: +(define-syntax defmacro + (lambda (e r c) + (let* ((e-fields (cdr e)) + (macro-name (car e-fields)) + (macro-args (cdr e-fields)) + (slib-store (eval 'defmacro:eval (interaction-environment)))) + (slib-store `(defmacro ,macro-name ,@macro-args))) + `(define-syntax ,(cadr e) + (lambda (em rm cm) + (let ((macro-name ',(cadr e)) + (macro-args (cdr em)) + (slib-eval (eval 'macroexpand-1 (interaction-environment)))) + (slib-eval `(,macro-name ,@macro-args))))))) + +(slib:load (in-vicinity (library-vicinity) "require")) + +;;; Needed to support defmacro +(require 'defmacroexpand) +(define *args* '()) +(define (program-arguments) (cons "scheme48" *args*)) +(set! *catalog* #f) + +,collect +,batch off +,dump slib.image "(slib 2d2)" +,exit -- cgit v1.2.3