Import Upstream version 3a1upstream/3a1

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"))