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authorBryan Newbold <bnewbold@robocracy.org>2017-02-20 00:05:31 -0800
committerBryan Newbold <bnewbold@robocracy.org>2017-02-20 00:05:31 -0800
commit5145dd3aa0c02c9fc496d1432fc4410674206e1d (patch)
tree540afc30c51da085f5bd8ec3f4c89f6496e7900d /bigloo.init
parent8466d8cfa486fb30d1755c4261b781135083787b (diff)
downloadslib-5145dd3aa0c02c9fc496d1432fc4410674206e1d.tar.gz
slib-5145dd3aa0c02c9fc496d1432fc4410674206e1d.zip
Import Upstream version 3a2upstream/3a2
Diffstat (limited to 'bigloo.init')
-rw-r--r--bigloo.init294
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