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Diffstat (limited to 'ice-9/slib.scm')
-rw-r--r-- | ice-9/slib.scm | 331 |
1 files changed, 0 insertions, 331 deletions
diff --git a/ice-9/slib.scm b/ice-9/slib.scm deleted file mode 100644 index cde54c339..000000000 --- a/ice-9/slib.scm +++ /dev/null @@ -1,331 +0,0 @@ -;;;; slib.scm --- definitions needed to get SLIB to work with Guile -;;;; -;;;; Copyright (C) 1997, 1998, 2000, 2001, 2002 Free Software Foundation, Inc. -;;;; -;;;; This file is part of GUILE. -;;;; -;;;; GUILE is free software; you can redistribute it and/or modify it -;;;; under the terms of the GNU General Public License as published by -;;;; the Free Software Foundation; either version 2, or (at your -;;;; option) any later version. -;;;; -;;;; GUILE is distributed in the hope that it will be useful, but -;;;; WITHOUT ANY WARRANTY; without even the implied warranty of -;;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -;;;; General Public License for more details. -;;;; -;;;; You should have received a copy of the GNU General Public License -;;;; along with GUILE; see the file COPYING. If not, write to the -;;;; Free Software Foundation, Inc., 59 Temple Place, Suite 330, -;;;; Boston, MA 02111-1307 USA -;;;; -;;;; As a special exception, the Free Software Foundation gives permission -;;;; for additional uses of the text contained in its release of GUILE. -;;;; -;;;; The exception is that, if you link the GUILE library with other files -;;;; to produce an executable, this does not by itself cause the -;;;; resulting executable to be covered by the GNU General Public License. -;;;; Your use of that executable is in no way restricted on account of -;;;; linking the GUILE library code into it. -;;;; -;;;; This exception does not however invalidate any other reasons why -;;;; the executable file might be covered by the GNU General Public License. -;;;; -;;;; This exception applies only to the code released by the -;;;; Free Software Foundation under the name GUILE. If you copy -;;;; code from other Free Software Foundation releases into a copy of -;;;; GUILE, as the General Public License permits, the exception does -;;;; not apply to the code that you add in this way. To avoid misleading -;;;; anyone as to the status of such modified files, you must delete -;;;; this exception notice from them. -;;;; -;;;; If you write modifications of your own for GUILE, it is your choice -;;;; whether to permit this exception to apply to your modifications. -;;;; If you do not wish that, delete this exception notice. -;;;; -(define-module (ice-9 slib) - :export (slib:load slib:load-source defmacro:load - implementation-vicinity library-vicinity home-vicinity - scheme-implementation-type scheme-implementation-version - output-port-width output-port-height identity array-indexes - make-random-state require slib:error slib:exit slib:warn slib:eval - defmacro:eval logical:logand logical:logior logical:logxor - logical:lognot logical:ash logical:logcount logical:integer-length - logical:bit-extract logical:integer-expt logical:ipow-by-squaring - slib:eval-load slib:tab slib:form-feed difftime offset-time - software-type) - :no-backtrace) - - - -(define (eval-load <filename> evl) - (if (not (file-exists? <filename>)) - (set! <filename> (string-append <filename> (scheme-file-suffix)))) - (call-with-input-file <filename> - (lambda (port) - (let ((old-load-pathname *load-pathname*)) - (set! *load-pathname* <filename>) - (do ((o (read port) (read port))) - ((eof-object? o)) - (evl o)) - (set! *load-pathname* old-load-pathname))))) - - - -(define slib:exit quit) -(define slib:error error) -(define slib:warn warn) -(define slib:eval (lambda (x) (eval x slib-module))) -(define defmacro:eval (lambda (x) (eval x (interaction-environment)))) -(define logical:logand logand) -(define logical:logior logior) -(define logical:logxor logxor) -(define logical:lognot lognot) -(define logical:ash ash) -(define logical:logcount logcount) -(define logical:integer-length integer-length) -(define logical:bit-extract bit-extract) -(define logical:integer-expt integer-expt) -(define logical:ipow-by-squaring ipow-by-squaring) -(define slib:eval-load eval-load) -(define slib:tab #\tab) -(define slib:form-feed #\page) - -(define slib-module (current-module)) - -(define (defined? symbol) - (module-defined? slib-module symbol)) - -;;; *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 - -; rev5-report ;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! - -; rev4-report ;conforms to - -; ieee-p1178 ;conforms to - -; rev3-report ;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-FROM-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*)) - - -;;; FIXME: Because uers want require to search the path, this uses -;;; load-from-path, which probably isn't a hot idea. slib -;;; doesn't expect this function to search a path, so I expect to get -;;; bug reports at some point complaining that the wrong file gets -;;; loaded when something accidentally appears in the path before -;;; slib, etc. ad nauseum. However, the right fix seems to involve -;;; changing catalog:get in slib/require.scm, and I don't expect -;;; Aubrey will integrate such a change. So I'm just going to punt -;;; for the time being. -(define (slib:load name) - (save-module-excursion - (lambda () - (set-current-module slib-module) - (let ((errinfo (catch 'system-error - (lambda () - (load-from-path name) - #f) - (lambda args args)))) - (if (and errinfo - (catch 'system-error - (lambda () - (load-from-path - (string-append name ".scm")) - #f) - (lambda args args))) - (apply throw errinfo)))))) - -(define slib:load-source slib:load) -(define defmacro:load slib:load) - -(define slib-parent-dir - (let* ((path (%search-load-path "slib/require.scm"))) - (if path - (substring path 0 (- (string-length path) 17)) - (error "Could not find slib/require.scm in " %load-path)))) - -(define (implementation-vicinity) - (string-append slib-parent-dir "/")) -(define (library-vicinity) - (string-append (implementation-vicinity) "slib/")) -(define home-vicinity - (let ((home-path (getenv "HOME"))) - (lambda () home-path))) -(define (scheme-implementation-type) 'guile) -(define scheme-implementation-version version) -;;; (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") - -(define (output-port-width . arg) 80) -(define (output-port-height . arg) 24) -(define (identity x) x) - -;;; {array-for-each} -(define (array-indexes ra) - (let ((ra0 (apply make-array '() (array-shape ra)))) - (array-index-map! ra0 list) - ra0)) - -;;; {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))) - -;;; {Time} -;;; - -(define difftime -) -(define offset-time +) - - -(define %system-define define) - -(define define - (procedure->memoizing-macro - (lambda (exp env) - (if (= (length env) 1) - `(define-public ,@(cdr exp)) - `(%system-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))) - -(define (software-type) - "Return a symbol describing the current platform's operating system. -This may be one of AIX, VMS, UNIX, COHERENT, WINDOWS, MS-DOS, OS/2, -THINKC, AMIGA, ATARIST, MACH, or ACORN. - -Note that most varieties of Unix are considered to be simply \"UNIX\". -That is because when a program depends on features that are not present -on every operating system, it is usually better to test for the presence -or absence of that specific feature. The return value of -@code{software-type} should only be used for this purpose when there is -no other easy or unambiguous way of detecting such features." - 'UNIX) - -(slib:load (in-vicinity (library-vicinity) "require.scm")) - -(define require require:require) - -;; {Extensions to the require system so that the user can add new -;; require modules easily.} - -(define *vicinity-table* - (list - (cons 'implementation (implementation-vicinity)) - (cons 'library (library-vicinity)))) - -(define (install-require-vicinity name vicinity) - (let ((entry (assq name *vicinity-table*))) - (if entry - (set-cdr! entry vicinity) - (set! *vicinity-table* - (acons name vicinity *vicinity-table*))))) - -(define (install-require-module name vicinity-name file-name) - (if (not *catalog*) ;Fix which loads catalog in slib - (catalog:get 'random)) ;(doesn't load the feature 'random) - (let ((entry (assq name *catalog*)) - (vicinity (cdr (assq vicinity-name *vicinity-table*)))) - (let ((path-name (in-vicinity vicinity file-name))) - (if entry - (set-cdr! entry path-name) - (set! *catalog* - (acons name path-name *catalog*)))))) - -(define (make-exchanger obj) - (lambda (rep) (let ((old obj)) (set! obj rep) old))) |