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Diffstat (limited to 'STk.init')
| -rw-r--r-- | STk.init | 248 |
1 files changed, 248 insertions, 0 deletions
diff --git a/STk.init b/STk.init new file mode 100644 index 0000000..47c2e2d --- /dev/null +++ b/STk.init @@ -0,0 +1,248 @@ +;;;"STk.init" SLIB Initialization for STk -*-scheme-*- +;;; Authors: Erick Gallesio (eg@unice.fr) and Aubrey Jaffer. +;;; +;;; This code is in the public domain. + +(require "unix") + +;;; (software-type) should be set to the generic operating system type. +;;; UNIX, VMS, MACOS, AMIGA and MSDOS are supported. + +(define (software-type) 'UNIX) + +;;; (scheme-implementation-type) should return the name of the scheme +;;; implementation loading this file. + +(define (scheme-implementation-type) '|STk|) + +;;; (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/STk/STk.html") + +;;; (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) "/usr/local/lib/stk/3.99.3/") + +;;; (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 (getenv "SCHEME_LIBRARY_PATH") "/usr/local/lib/slib/"))) + (lambda () library-path))) + +;;; +;;; +(define home-vicinity + (let ((home-path (or (getenv "HOME") "/"))) + (lambda () home-path))) + +;;; *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 ; commented because icomplete +; queue ;queues +; pretty-print +; object->string +; format +; 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) + +;;; (TMPNAM) makes a temporary file name. +(define tmpnam (let ((cntr 100)) + (lambda () (set! cntr (+ 1 cntr)) + (string-append "slib_" (number->string cntr))))) + +;;; (DELETE-FILE <string>) +(define (delete-file f) (system (format #f "/bin/rm ~A" 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) (apply flush arg)) + +;;; 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 #x0fffffff) + +;;; 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 *macros* '()) + +(define-macro (defmacro name args . body) + `(begin + (define-macro (,name ,@args) ,@body) + (set! *macros* (cons ,name *macros*)))) + + +(define (defmacro? m) (and (memv m *macros*) #t)) + +(define macroexpand-1 MACRO-EXPAND-1) +(define macroexpand MACRO-EXPAND) + + +;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; + +(define gentemp GENSYM) +(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 . args) + (error (apply string-append (map (lambda (x) (format #f " ~a" x)) args)))) + + +;;; define these as appropriate for your system. +(define slib:tab (integer->char 9)) +(define slib:form-feed (integer->char 12)) + +;;; Define these if your implementation's syntax can support it and if +;;; they are not already defined. +(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 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) + +;;; (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) + +;;; +;;; Retain original require/provide before loading "require.scm" +;;; +(define stk:require require) +(define stk:provide provide) +(define stk:provided? provided?) + +(define slib:load slib:load-source) +(slib:load (in-vicinity (library-vicinity) "require")) + + +;;; +;;; Redefine require/provide so that symbols use SLIB one and strings use STk one +;;; + +(define require + (let ((slib:require require)) + (lambda (item) + ((if (symbol? item) slib:require stk:require) item )))) + +(define provide + (let ((slib:provide provide)) + (lambda (item) + ((if (symbol? item) slib:provide stk:provide) item)))) + +(define provided? + (let ((slib:provided? provided?)) + (lambda (item) + ((if (symbol? item) slib:provided? stk:provided?) item)))) + +(define identity (lambda (x) x)) |