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-rw-r--r--guile.init420
1 files changed, 417 insertions, 3 deletions
diff --git a/guile.init b/guile.init
index 897a28a..6b54fea 100644
--- a/guile.init
+++ b/guile.init
@@ -1,4 +1,418 @@
-;"guile.init" Configuration file for SLIB for GUILE -*-scheme-*-
+;"guile.init" Configuration file for SLIB for GUILE -*-scheme-*-
+;;; Author: Aubrey Jaffer
+;;;
+;;; This code is in the public domain.
-(use-modules (ice-9 slib))
-(define (slib:load-cadr argv) (slib:load (cadr argv)))
+(if (string<? (version) "1.6")
+ (define-module (ice-9 slib))) ; :no-backtrace
+(define slib-module (current-module))
+(define (defined? symbol) (module-defined? slib-module symbol))
+
+(define base:define define)
+(define define
+ (procedure->memoizing-macro
+ (lambda (exp env)
+ (cons (if (= 1 (length env)) 'define-public 'base:define) (cdr exp)))))
+
+;;; Hack to make syncase macros work in the slib module
+(if (nested-ref the-root-module '(app modules ice-9 syncase))
+ (set-object-property! (module-local-variable (current-module) 'define)
+ '*sc-expander*
+ '(define)))
+
+;;; (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/guile.html")
+
+;;; (scheme-implementation-version) should return a string describing
+;;; the version the scheme implementation loading this file.
+(define scheme-implementation-version version)
+
+(define in-vicinity string-append)
+
+;;; (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 (or (%search-load-path "slib/require.scm")
+ (error "Could not find slib/require.scm in " %load-path)))
+ (vic (substring path 0 (- (string-length path) 16))))
+ (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 ((library-path
+ (or
+ ;; Use this getenv if your implementation supports it.
+ (and (defined? 'getenv) (getenv "SCHEME_LIBRARY_PATH"))
+ ;; Use this path if your scheme does not support GETENV
+ ;; or if SCHEME_LIBRARY_PATH is not set.
+ (in-vicinity (implementation-vicinity) "slib/"))))
+ (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 (getenv "HOME")))
+ (and home
+ (case (software-type)
+ ((unix coherent ms-dos) ;V7 unix has a / on HOME
+ (if (eqv? #\/ (string-ref home (+ -1 (string-length home))))
+ home
+ (string-append home "/")))
+ (else home)))))
+
+;;; *FEATURES* should be set to a list of symbols describing features
+;;; of this implementation. Suggestions for features are:
+(define *features*
+ (append
+ '(
+ source ;can load scheme source files
+ ;(slib:load-source "filename")
+; compiled ;can load compiled files
+ ;(slib:load-compiled "filename")
+
+ ;; Scheme report features
+
+; r5rs ;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.
+; rationalize
+ rev4-optional-procedures ;LIST-TAIL, STRING->LIST,
+ ;LIST->STRING, STRING-COPY,
+ ;STRING-FILL!, LIST->VECTOR,
+ ;VECTOR->LIST, and VECTOR-FILL!
+
+; r4rs ;conforms to
+
+; ieee-p1178 ;conforms to
+
+; r3rs ;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-TO-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
+ random
+ )
+
+ (if (defined? 'getenv)
+ '(getenv)
+ '())
+
+ (if (defined? 'current-time)
+ '(current-time)
+ '())
+
+ (if (defined? 'system)
+ '(system)
+ '())
+
+ (if (defined? 'array?)
+ '(array)
+ '())
+
+ (if (defined? 'char-ready?)
+ '(char-ready?)
+ '())
+
+ (if (defined? 'array-for-each)
+ '(array-for-each)
+ '())
+
+ *features*))
+
+;;; (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
+;; (let ((port (current-output-port)))
+;; (lambda () port)))
+
+;;; (TMPNAM) makes a temporary file name.
+;;(define tmpnam (let ((cntr 100))
+;; (lambda () (set! cntr (+ 1 cntr))
+;; (string-append "slib_" (number->string cntr)))))
+
+;;; (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.
+
+(define (make-exchanger obj)
+ (lambda (rep) (let ((old obj)) (set! obj rep) old)))
+
+(define (port? obj) (or (input-port? obj) (output-port? obj)))
+(define (call-with-open-ports . ports)
+ (define proc (car ports))
+ (cond ((procedure? proc) (set! ports (cdr ports)))
+ (else (set! ports (reverse ports))
+ (set! proc (car ports))
+ (set! ports (reverse (cdr ports)))))
+ (let ((ans (apply proc ports)))
+ (for-each close-port ports)
+ ans))
+
+;;; "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 char-code-limit 256)
+
+;;; MOST-POSITIVE-FIXNUM is used in modular.scm
+;;(define most-positive-fixnum #x0FFFFFFF)
+
+;;; Return argument
+(define (identity x) x)
+
+;;; SLIB:EVAL is single argument eval using the top-level (user) environment.
+(define slib:eval
+ (if (string<? (scheme-implementation-version) "1.5")
+ eval
+ (let ((ie (interaction-environment)))
+ (lambda (expression)
+ (eval expression ie)))))
+
+;;; 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)))
+
+(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 (guile:wrap-case-insensitive proc)
+ (lambda args
+ (save-module-excursion
+ (lambda ()
+ (set-current-module slib-module)
+ (let ((old (read-options)))
+ (dynamic-wind
+ (lambda () (read-enable 'case-insensitive))
+ (lambda () (apply proc args))
+ (lambda () (read-options old))))))))
+
+(define read (guile:wrap-case-insensitive read))
+
+;;; (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
+ (let ((load-file (guile:wrap-case-insensitive load)))
+ (lambda (<pathname>)
+ (load-file (string-append <pathname> (scheme-file-suffix))))))
+
+(define slib:load-source slib: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 slib:load)
+
+(define defmacro:eval slib:eval)
+(define defmacro:load slib:load)
+
+(define (defmacro:expand* x)
+ (require 'defmacroexpand) (apply defmacro:expand* x '()))
+
+;;; If your implementation provides R4RS macros:
+(define macro:eval slib:eval)
+(define macro:load slib:load)
+
+(define slib:warn warn)
+(define slib:error error)
+
+;;; define these as appropriate for your system.
+(define slib:tab #\tab)
+(define slib:form-feed #\page)
+
+;;; {Time}
+(define difftime -)
+(define offset-time +)
+
+;;; Early version of 'logical is built-in
+(define logical:logand logand)
+(define logical:logior logior)
+;;(define logical:logxor logxor)
+;;(define logical:lognot lognot)
+;;(define logical:logtest logtest)
+;;(define logical:logbit? logbit?)
+(define (copy-bit index to bool)
+ (if bool
+ (logical:logior to (logical:ash 1 index))
+ (logical:logand to (logical:lognot (logical:ash 1 index)))))
+;;(define copy-bit logical:copy-bit)
+;;(define logical:ash ash)
+;;(define logical:logcount logcount)
+;;(define logical:integer-length integer-length)
+(define (logical:bit-field n start end)
+ (logical:logand (- (logical:integer-expt 2 (- end start)) 1)
+ (logical:ash n (- start))))
+;;(define bit-field logical:bit-field)
+(define (bitwise-if mask n0 n1)
+ (logical:logior (logical:logand mask n0)
+ (logical:logand (logical:lognot mask) n1)))
+(define logical:bitwise-if bitwise-if)
+;;(define logical:bit-extract bit-extract)
+(define (copy-bit-field to start end from)
+ (logical:bitwise-if
+ (logical:ash (- (logical:integer-expt 2 (- end start)) 1) start)
+ (logical:ash from start)
+ to))
+;;(define copy-bit-field logical:copy-bit-field)
+(define logical:integer-expt integer-expt)
+;;(define logical:ipow-by-squaring ipow-by-squaring)
+
+;;guile> (expt 2 -1)
+;;ERROR: In procedure integer-expt:
+;;ERROR: Argument out of range: -1
+;;ABORT: (out-of-range)
+(define expt
+ (let ((integer-expt integer-expt))
+ (lambda (z1 z2)
+ (cond ((zero? z1) (if (zero? z2) 1 0))
+ ((and (exact? z2) (not (negative? z2)))
+ (integer-expt z1 z2))
+ ((and (real? z2) (real? z1) (>= z1 0))
+ ($expt z1 z2))
+ (else
+ (exp (* z2 (log z1))))))))
+
+;;; array-for-each
+(define (array-indexes ra)
+ (let ((ra0 (apply create-array '#() (array-shape ra))))
+ (array-index-map! ra0 list)
+ ra0))
+(define (array-copy! source dest)
+ (array-map! dest identity source))
+(define (array-null? array)
+ (zero? (apply * (map (lambda (bnd) (- 1 (apply - bnd)))
+ (array-shape array)))))
+(define (create-array prot . args)
+ (if (array-null? prot)
+ (dimensions->uniform-array args (array-prototype prot))
+ (dimensions->uniform-array args (array-prototype prot)
+ (apply array-ref prot
+ (map car (array-shape prot))))))
+(define (make-uniform-wrapper prot)
+ (if (string? prot) (set! prot (string->number prot)))
+ (if prot
+ (lambda opt (if (null? opt)
+ (list->uniform-array 1 prot '())
+ (list->uniform-array 1 prot opt)))
+ vector))
+(define ac64 (make-uniform-wrapper "+i"))
+(define ac32 ac64)
+(define ar64 (make-uniform-wrapper "1/3"))
+(define ar32 (make-uniform-wrapper "1."))
+(define as64 vector)
+(define as32 (make-uniform-wrapper -32))
+(define as16 as32)
+(define as8 as32)
+(define au64 vector)
+(define au32 (make-uniform-wrapper 32))
+(define au16 au32)
+(define au8 au32)
+(define at1 (make-uniform-wrapper #t))
+
+;;; {Random numbers}
+(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)))
+
+;;; 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))
+
+;;; Guile has nil and t as self-sets
+;;(define t #t)
+;;(define nil #f)
+
+;;; 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+)
+
+(slib:load (in-vicinity (library-vicinity) "require"))