diff options
Diffstat (limited to 'bigloo.init')
| -rw-r--r-- | bigloo.init | 294 |
1 files changed, 179 insertions, 115 deletions
diff --git a/bigloo.init b/bigloo.init index 9ded1a4..af34546 100644 --- a/bigloo.init +++ b/bigloo.init @@ -3,23 +3,25 @@ ;;; ;;; 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 +;;@ (scheme-implementation-type) should return the name of the scheme ;;; implementation loading this file. (define (scheme-implementation-type) 'Bigloo) -;;; (scheme-implementation-home-page) should return a (string) URI +;;@ (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-sop.inria.fr/mimosa/fp/Bigloo/") -;;; (scheme-implementation-version) should return a string describing +;;@ (scheme-implementation-version) should return a string describing ;;; the version the scheme implementation loading this file. (define (scheme-implementation-version) *bigloo-version*) -;;; (implementation-vicinity) should be defined to be the pathname of +;;@ (implementation-vicinity) should be defined to be the pathname of ;;; the directory where any auxillary files to your Scheme ;;; implementation reside. (define (implementation-vicinity) @@ -28,7 +30,7 @@ ((MS-DOS) "C:\\scheme\\") (else ""))) -;;; (library-vicinity) should be defined to be the pathname of the +;;@ (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 @@ -47,7 +49,7 @@ (else ""))))) (lambda () library-path))) -;;; (home-vicinity) should return the vicinity of the user's HOME +;;@ (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) @@ -59,32 +61,106 @@ home (string-append home "/"))) (else home))))) +;@ +(define in-vicinity string-append) +;@ +(define (user-vicinity) + (case (software-type) + ((VMS) "[.]") + (else ""))) -;;; *FEATURES* should be set to a list of symbols describing features -;;; of this implementation. See Template.scm for the list of feature -;;; names. +(define *load-pathname* #f) +;@ +(define vicinity:suffix? + (let ((suffi + (case (software-type) + ((AMIGA) '(#\: #\/)) + ((MACOS THINKC) '(#\:)) + ((MS-DOS WINDOWS ATARIST OS/2) '(#\\ #\/)) + ((NOSVE) '(#\: #\.)) + ((UNIX COHERENT PLAN9) '(#\/)) + ((VMS) '(#\: #\])) + (else + (slib:warn "require.scm" 'unknown 'software-type (software-type)) + "/")))) + (lambda (chr) (and (memv chr suffi) #t)))) +;@ +(define (pathname->vicinity pathname) + (let loop ((i (- (string-length pathname) 1))) + (cond ((negative? i) "") + ((vicinity:suffix? (string-ref pathname i)) + (substring pathname 0 (+ i 1))) + (else (loop (- i 1)))))) +(define (program-vicinity) + (if *load-pathname* + (pathname->vicinity *load-pathname*) + (slib:error 'program-vicinity " called; use slib:load to load"))) +;@ +(define sub-vicinity + (case (software-type) + ((VMS) (lambda + (vic name) + (let ((l (string-length vic))) + (if (or (zero? (string-length vic)) + (not (char=? #\] (string-ref vic (- l 1))))) + (string-append vic "[" name "]") + (string-append (substring vic 0 (- l 1)) + "." name "]"))))) + (else (let ((*vicinity-suffix* + (case (software-type) + ((NOSVE) ".") + ((MACOS THINKC) ":") + ((MS-DOS WINDOWS ATARIST OS/2) "\\") + ((UNIX COHERENT PLAN9 AMIGA) "/")))) + (lambda (vic name) + (string-append vic name *vicinity-suffix*)))))) +;@ +(define (make-vicinity <pathname>) <pathname>) +;@ +(define with-load-pathname + (let ((exchange + (lambda (new) + (let ((old *load-pathname*)) + (set! *load-pathname* new) + old)))) + (lambda (path thunk) + (let* ((old (exchange path)) + (val (thunk))) + (exchange old) + val)))) + +;;@ *FEATURES* is a list of symbols naming the (SLIB) features +;;; initially supported by this implementation. (define *features* '( source ;can load scheme source files - ;(slib:load-source "filename") -; compiled ;can load compiled files - ;(slib:load-compiled "filename") + ;(SLIB:LOAD-SOURCE "filename") +;;; compiled ;can load compiled files + ;(SLIB:LOAD-COMPILED "filename") + vicinity + srfi-59 ;; Scheme report features + ;; R5RS-compliant implementations should provide all 9 features. -; r5rs ;conforms to +;;; r5rs ;conforms to eval ;R5RS two-argument eval -; values ;R5RS multiple values -; dynamic-wind ;R5RS dynamic-wind -; macro ;R5RS high level macros +;;; 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. -; char-ready? +;;; char-ready? + rev4-optional-procedures ;LIST-TAIL, STRING-COPY, + ;STRING-FILL!, and VECTOR-FILL! + + ;; These four features are optional in both R4RS and R5RS + + multiarg/and- ;/ and - 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! + transcript ;TRANSCRIPT-ON and TRANSCRIPT-OFF + with-file ;has WITH-INPUT-FROM-FILE and + ;WITH-OUTPUT-TO-FILE r4rs ;conforms to @@ -92,43 +168,39 @@ r3rs ;conforms to -; rev2-procedures ;SUBSTRING-MOVE-LEFT!, +;;; 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 +;; full-continuation ;not without the -call/cc switch ieee-floating-point ;conforms to IEEE Standard 754-1985 ;IEEE Standard for Binary ;Floating-Point Arithmetic. -;; full-continuation ;not without the -call/cc switch ;; Other common features srfi ;srfi-0, COND-EXPAND finds all srfi-* -; sicp ;runs code from Structure and +;;; 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 +;;; record ;has user defined data structures string-port ;has CALL-WITH-INPUT-STRING and ;CALL-WITH-OUTPUT-STRING -; sort +;;; sort pretty-print object->string -; format ;Common-lisp output formatting -; trace ;has macros: TRACE and UNTRACE -; compiler ;has (COMPILER) -; ed ;(ED) is editor +;;; format ;Common-lisp output formatting +;;; 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) -; current-time ;returns time in seconds since 1/1/1970 +;;; program-arguments ;returns list of strings (argv) +;;; current-time ;returns time in seconds since 1/1/1970 ;; Implementation Specific features @@ -140,13 +212,13 @@ (define (object->string x) (obj->string x)) -;;; (OUTPUT-PORT-WIDTH <port>) +;;@ (OUTPUT-PORT-WIDTH <port>) (define (output-port-width . arg) 79) -;;; (OUTPUT-PORT-HEIGHT <port>) +;;@ (OUTPUT-PORT-HEIGHT <port>) (define (output-port-height . arg) 24) -;;; (TMPNAM) makes a temporary file name. +;;@ (TMPNAM) makes a temporary file name. (define tmpnam (let ((cntr 100)) (lambda () @@ -154,55 +226,23 @@ (let ((tmp (string-append "slib_" (number->string cntr)))) (if (file-exists? tmp) (tmpnam) tmp))))) -;;; FORCE-OUTPUT flushes any pending output on optional arg output port +;;@ 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 . args) (flush-output-port (if (pair? args) (car args) (current-output-port)))) -;;; CALL-WITH-INPUT-STRING and CALL-WITH-OUTPUT-STRING are the string +;;@ CALL-WITH-INPUT-STRING and CALL-WITH-OUTPUT-STRING are the string ;;; port versions of CALL-WITH-*PUT-FILE. (define (call-with-output-string f) (let ((outsp (open-output-string))) (f outsp) (close-output-port outsp))) - (define (call-with-input-string s f) (let* ((insp (open-input-string s)) (res (f insp))) (close-input-port insp) res)) -(define (make-exchanger obj) - (lambda (rep) (let ((old obj)) (set! obj rep) old))) -(define (open-file filename modes) - (case modes - ((r rb) (open-input-file filename)) - ((w wb) (open-output-file filename)) - (else (slib:error 'open-file 'mode? modes)))) -;;(define (port? obj) (or (input-port? port) (output-port? port))) -(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)) -(define (close-port port) - (cond ((input-port? port) - (close-input-port port) - (if (output-port? port) (close-output-port port))) - ((output-port? port) (close-output-port port)) - (else (slib:error 'close-port 'port? port)))) - -(define (browse-url url) - (define (try cmd end) (zero? (system (string-append cmd url end)))) - (or (try "netscape-remote -remote 'openURL(" ")'") - (try "netscape -remote 'openURL(" ")'") - (try "netscape '" "'&") - (try "netscape '" "'"))) - ;;; "rationalize" adjunct procedures. (define (find-ratio x e) (let ((rat (rationalize x e))) @@ -210,40 +250,42 @@ (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 +;;@ 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 +;;@ MOST-POSITIVE-FIXNUM is used in modular.scm (define most-positive-fixnum 536870911) -;;; Return argument +;;@ Return argument (define (identity x) x) -;;; SLIB:EVAL is single argument eval using the top-level (user) environment. +;;@ SLIB:EVAL is single argument eval using the top-level (user) environment. (define slib:eval eval) +;;; If your implementation provides R4RS macros: +;(define macro:eval slib:eval) +;(define macro:load load) + (define-macro (defmacro name . forms) `(define-macro (,name . ,(car forms)) ,@(cdr forms))) - +;@ (define (defmacro? m) (get-eval-expander m)) +;@ (define (macroexpand-1 body) (expand-once body)) +;@ (define (macroexpand body) (expand body)) - +;@ (define (gentemp) (gensym)) +;@ +(define defmacro:eval slib:eval) -(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:expand* x) +;; (require 'defmacroexpand) (apply defmacro:expand* x '())) +;; slib:eval-load definition moved to "require.scm" + +;@ (define slib:warn (lambda args (let ((cep (current-error-port))) @@ -251,13 +293,43 @@ (display "Warn: " cep) (for-each (lambda (x) (display #\ cep) (write x cep)) args)))) - -;;; define an error procedure for the library +;;@ define an error procedure for the library (define (slib:error . args) (if (provided? 'trace) (print-call-stack (current-error-port))) (error 'slib:error "" args)) +;@ +(define (make-exchanger obj) + (lambda (rep) (let ((old obj)) (set! obj rep) old))) +(define (open-file filename modes) + (case modes + ((r rb) (open-input-file filename)) + ((w wb) (open-output-file filename)) + (else (slib:error 'open-file 'mode? modes)))) +;;(define (port? obj) (or (input-port? port) (output-port? port))) +(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)) +(define (close-port port) + (cond ((input-port? port) + (close-input-port port) + (if (output-port? port) (close-output-port port))) + ((output-port? port) (close-output-port port)) + (else (slib:error 'close-port 'port? port)))) +;@ +(define (browse-url url) + (define (try cmd end) (zero? (system (string-append cmd url end)))) + (or (try "netscape-remote -remote 'openURL(" ")'") + (try "netscape -remote 'openURL(" ")'") + (try "netscape '" "'&") + (try "netscape '" "'"))) -;; define these as appropriate for your system. +;;@ define these as appropriate for your system. (define slib:tab (integer->char 9)) (define slib:form-feed (integer->char 12)) @@ -270,47 +342,39 @@ (define ,maker-name ,name)) )) - -;;(define force force) - -;;; Define these if your implementation's syntax can support it and if +;;@ 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+) -(define in-vicinity string-append) - -;;; Define SLIB:EXIT to be the implementation procedure to exit or -;;; return if exitting not supported. +;;@ Define SLIB:EXIT to be the implementation procedure to exit or +;;; return if exiting not supported. (define slib:exit (lambda args (exit 0))) -;;; Here for backward compatability +;;@ 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 +;;@ (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) (loadq (string-append f (scheme-file-suffix)))) -;;; (SLIB:LOAD-COMPILED "foo") should load the file that was produced +;;@ (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 loadq) -;;; At this point SLIB:LOAD must be able to load SLIB files. -(define slib:load slib:load-source) - -(define defmacro:eval slib:eval) -(define defmacro:load slib:load) - -;;; If your implementation provides R4RS macros: -;(define macro:eval slib:eval) -;(define macro:load load) +;;@ At this point SLIB:LOAD must be able to load SLIB files. +(define (slib:load file) + (define file.scm (string-append file (scheme-file-suffix))) + (if (file-exists? file.scm) + (slib:load-source file.scm) + (slib:load-compiled file))) +;@ +(define defmacro:load slib:load-source) (slib:load (in-vicinity (library-vicinity) "require")) -; eof |