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Diffstat (limited to 'scsh.init')
| -rw-r--r-- | scsh.init | 267 |
1 files changed, 267 insertions, 0 deletions
diff --git a/scsh.init b/scsh.init new file mode 100644 index 0000000..fcabadc --- /dev/null +++ b/scsh.init @@ -0,0 +1,267 @@ +;"scsh.init" Initialisation for SLIB for Scsh 0.5.1 -*-scheme-*- + +;;; (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) 'Scsh) + +;;; (scheme-implementation-version) should return a string describing +;;; the version the scheme implementation loading this file. + +(define (scheme-implementation-version) "0.5.1") + +;;; (implementation-vicinity) should be defined to be the pathname of +;;; the directory where any auxillary files to your Scheme +;;; implementation reside. + +(define (implementation-vicinity) + "/home/tomas/src/scsh-0.5.1/") + +;;; (library-vicinity) should be defined to be the pathname of the +;;; directory where files of Scheme library functions reside. + +(define (library-vicinity) + "/home/tomas/src/slib2b1/") + +;;; (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. 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! +; 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 +; current-time ;returns time in seconds since 1/1/1970 + )) + +;;; (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 error-output-port) + +;;; (TMPNAM) makes a temporary file name. +(define (tmpnam) + (create-temp-file "slib_")) + +;;; (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. + +;;; 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) + +;;; 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) + + +; [s48 has two argument eval] +(define (slib:eval form) + (eval form (interaction-environment))) + +;;; 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 slib:warn + (lambda args + (let ((port (current-error-port))) + (display "Warn: " port) + (for-each (lambda (x) (display x port)) args)))) + +;;; define an error procedure for the library +(define slib:error error) + +;;; define these as appropriate for your system. +(define slib:tab (ascii->char 9)) +(define slib:form-feed (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 append! append) + +;;; 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. +(define slib:exit (lambda args #f)) + +;;; 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) (load (string-append 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 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) + +(define array? #f) +(define record? #f) +(define sort! #f) + +(slib:load (in-vicinity (library-vicinity) "require")) |