diff --git a/module/slib/guile.init b/module/slib/guile.init new file mode 100644 index 000000000..73afc1fdc --- /dev/null +++ b/module/slib/guile.init @@ -0,0 +1,232 @@ +;;; "guile.init" configuration template of *features* for Scheme -*-scheme-*- +;;; Author: Aubrey Jaffer +;;; +;;; This code is in the public domain. + +;;; (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) 'Guile) + +;;; (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://www.gnu.org/software/guile/") + +;;; (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 + (let ((path (string-append (%package-data-dir) "/"))) + (lambda () path))) + +;;; (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. + (let ((this-file (port-filename (current-load-port)))) + (substring this-file 0 (- (string-length this-file) 10)))))) + (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. 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 + macro-by-example + defmacro ;has Common Lisp DEFMACRO + eval ;R5RS two-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 ) + getenv ;posix (getenv ) + 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 + + abort + array + array-for-each + random + hash + hash-table + line-i/o + logical + promise + string-case + syntax-case + )) + +;; time +(define difftime -) +(define offset-time +) + +;; random +(define (make-random-state . args) + (let ((seed (if (null? args) *random-state* (car args)))) + (cond ((string? seed)) + ((number? seed) (set! seed (number->string seed))) + (else (let () + (require 'object->string) + (set! seed (object->limited-string seed 50))))) + (seed->random-state seed))) + +;;; (OUTPUT-PORT-WIDTH ) +(define (output-port-width . arg) 79) + +;;; (OUTPUT-PORT-HEIGHT ) +(define (output-port-height . arg) 24) + +;;; "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))) + +;;; Return argument +(define (identity x) x) + +;;; SLIB:EVAL is single argument eval using the top-level (user) environment. +(define (slib:eval x) + (eval x (interaction-environment))) + +(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 (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 (defmacro:load ) + (slib:eval-load defmacro:eval)) + +(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 error args)) + +;;; define these as appropriate for your system. +(define slib:tab (integer->char 9)) +(define slib:form-feed (integer->char 12)) + +;;; Support for older versions of Scheme. Not enough code for its own file. +(define t #t) +(define nil #f) + +;;; Define SLIB:EXIT to be the implementation procedure to exit or +;;; return if exitting not supported. +(define slib:exit quit) + +;;; 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 (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-compiled) + +(slib:load (in-vicinity (library-vicinity) "require"))