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authorKeisuke Nishida <kxn30@po.cwru.edu>2001-04-14 11:26:26 +0000
committerKeisuke Nishida <kxn30@po.cwru.edu>2001-04-14 11:26:26 +0000
commitbd5b51c2052fc026e90938c8130594f7af068860 (patch)
tree546fe1d324d6223fc426db811f9d7441e9f4e7a8
parent9ddacf866c266685c94638b1fa13ac129670d18e (diff)
downloadguile-bd5b51c2052fc026e90938c8130594f7af068860.tar.gz
SLIB init file for Guile.
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+;;; "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 <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
+
+ 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 <port>)
+(define (output-port-width . arg) 79)
+
+;;; (OUTPUT-PORT-HEIGHT <port>)
+(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 <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 (defmacro:load <pathname>)
+ (slib:eval-load <pathname> 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"))