diff options
Diffstat (limited to 'pscheme.init')
| -rw-r--r-- | pscheme.init | 458 |
1 files changed, 256 insertions, 202 deletions
diff --git a/pscheme.init b/pscheme.init index dfa05a8..841f191 100644 --- a/pscheme.init +++ b/pscheme.init @@ -1,202 +1,256 @@ -;;; "pscheme.init" -*-scheme-*-
-;;; SLIB init file for Pocket Scheme
-;;; SLIB orig Author: Aubrey Jaffer (jaffer@ai.mit.edu)
-;;; Author: Ben Goetter <goetter@angrygraycat.com>
-;;; Initial work for 0.2.3 by Robert Goldman (goldman@htc.honeywell.com)
-;;;
-;;; This code is in the public domain.
-
-; best fit for Windows CE?
-(define (software-type) 'MS-DOS)
-
-(define (scheme-implementation-type) 'PocketScheme)
-(define (scheme-implementation-version) "0.3.6")
-
-(define in-vicinity string-append)
-
-(define (implementation-vicinity)
- "\\Program Files\\Pocket Scheme\\")
-
-(define (library-vicinity)
- (in-vicinity (implementation-vicinity) "slib\\"))
-
-(define (home-vicinity)
- "\\My Documents\\")
-
-(define *features*
- '(source
- rev4-report
- ieee-p1178
- rev4-optional-procedures
- multiarg/and-
- multiarg-apply
- with-file
- char-ready?
- defmacro
- delay
- eval
- dynamic-wind
- full-continuation
- ;;trace ; Comment out for SLIB TRACE macros
- system
- string-port
- ))
-
-;;; (OUTPUT-PORT-WIDTH <port>)
-(define (output-port-width . arg) 79)
-
-;;; (OUTPUT-PORT-HEIGHT <port>)
-(define (output-port-height . arg) 12)
-
-;;; (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)
- (let ((file #f))
- (with-handlers (((lambda (x) #t) (lambda (x) #f)))
- (set! file (open-input-file f))
- (close-input-port file)
- #t)))
-
-;; pscheme: current-error-port, delete-file, force-output already defined
-
-;;; CHAR-CODE-LIMIT is one greater than the largest integer which can
-;;; be returned by CHAR->INTEGER.
-;(define char-code-limit
-; (with-handlers (
-; ((lambda (x) #t) (lambda (x) 256))
-; )
-; (integer->char 65535)
-; 65536))
-;;; Currently there are only three clients of this symbol.
-;;; Following observations relate to PScheme 0.3.5, JACAL 1a9, SLIB 2c5.
-;;; JACAL: crashes when set to 65536.
-;;; make-crc: extremely inefficient when set to 65536, spending forever in init
-;;; precedence-parse: ignores any setting in excess of 256
-;;; So we patch it to 256.
-(define char-code-limit 256)
-
-;;; MOST-POSITIVE-FIXNUM is used in modular.scm
-;;; This is the most positive immediate-value fixnum in PScheme.
-;;; The secondary representation extends fixnum values to 0xffffffff.
-(define most-positive-fixnum #x07FFFFFF)
-
-;;; Return argument
-(define (identity x) x)
-
-;;; 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 gentemp
- (let ((*gensym-counter* -1))
- (lambda ()
- (set! *gensym-counter* (+ *gensym-counter* 1))
- (string->symbol
- (string-append "slib:G" (number->string *gensym-counter*))))))
-
-(define base:eval slib:eval)
-(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:load <pathname>)
- (slib:eval-load <pathname> defmacro:eval))
-
-(define slib:warn
- (lambda args
- (let ((port (current-error-port)))
- (display "Warn: " port)
- (for-each (lambda (x) (display x port)) args))))
-
-;;; Define an error procedure for the library
-(define (slib:error . k)
- (error
- (cond
- ((= (length k) 0) '())
- ((= (length k) 1) (car k))
- ((provided? 'string-port)
- (call-with-output-string
- (lambda (out)
- (let ((add-space #f))
- (map
- (lambda (arg)
- (if add-space (write-char #\space out) (set! add-space #t))
- (display arg out))
- k)))))
- (else (car k)))))
-
-;;; For the benefit of slib:error above, as announced by feature string-port
-(define (call-with-output-string t)
- (let* ((p (open-output-string))
- (r (t p))
- (s (get-output-string p)))
- (close-output-port p)
- s))
-
-(define (call-with-input-string s t)
- (let* ((p (open-input-string s))
- (r (t p)))
- (close-input-port p)
- r))
-
-;;; define these as appropriate for your system.
-(define slib:tab (integer->char 9))
-(define slib:form-feed (integer->char 12))
-
-;;; 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))
-(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+)
-
-;;; Define SLIB:EXIT to be the implementation procedure to exit or
-;;; return if exitting not supported.
-(define slib:exit exit)
-
-;;; Here for backward compatability
-(define (scheme-file-suffix) ".scm")
-
-;;; (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)
- (if (not (file-exists? f))
- (set! f (string-append f (scheme-file-suffix))))
- (load f))
-
-;;; (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 load)
-
-;;; At this point SLIB:LOAD must be able to load SLIB files.
-
-(define slib:load slib:load-source)
-
-;;; Hold onto pscheme native version
-(define pscheme:require require)
-(slib:load (in-vicinity (library-vicinity) "require"))
+;;; "pscheme.init" SLIB init file for Pocket Scheme -*-scheme-*- +;;; Author: Ben Goetter <goetter@mazama.net> +;;; last revised for 1.1.0 on 16 October 2000 +;;; Initial work for 0.2.3 by Robert Goldman (goldman@htc.honeywell.com) +;;; SLIB orig Author: Aubrey Jaffer (jaffer@ai.mit.edu) +;;; +;;; This code is in the public domain. + +; best fit for Windows CE? +(define (software-type) 'MS-DOS) + +(define (scheme-implementation-type) 'Pocket-Scheme) +(define (scheme-implementation-version) + (let ((v (version))) + (string-append + (number->string (car v)) "." + (number->string (cadr v)) "." + (number->string (caddr v))))) +(define (scheme-implementation-home-page) "http://www.mazama.net/scheme/pscheme.htm") + + +(define in-vicinity string-append) + +(define (implementation-vicinity) "\\Program Files\\Pocket Scheme\\") +(define (library-vicinity) (in-vicinity (implementation-vicinity) "slib\\")) +(define (home-vicinity) "\\My Documents\\") + +;(define (implementation-vicinity) "D:\\SRC\\PSCHEME\\BUILD\\TARGET\\X86\\NT\\DBG\\") +;(define (library-vicinity) "D:\\SRC\\SLIB\\") +;(define (home-vicinity) "D:\\SRC\\PSCHEME\\") + +(define *features* + '( + 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. + char-ready? + 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 +; Undef this to get the SLIB TRACE macros +; 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 + + ;; Implementation Specific features + + )) + +;;; (OUTPUT-PORT-WIDTH <port>) +;;; (OUTPUT-PORT-HEIGHT <port>) +;; $BUGBUG completely bogus values. +(define (output-port-width . arg) 79) +(define (output-port-height . arg) 12) + +;;; (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) + (with-handlers (((lambda (x) #t) (lambda (x) #f))) + (close-input-port (open-input-file f)) + #t)) + +;; pscheme: current-error-port, delete-file, force-output already defined + +;;; CHAR-CODE-LIMIT is one greater than the largest integer which can +;;; be returned by CHAR->INTEGER. +;(define char-code-limit +; (with-handlers ( +; ((lambda (x) #t) (lambda (x) 256)) +; ) +; (integer->char 65535) +; 65536)) +;;; Currently there are only three clients of this symbol. +;;; Following observations relate to PScheme 0.3.5, JACAL 1a9, SLIB 2c5. +;;; JACAL: crashes when set to 65536. +;;; make-crc: extremely inefficient when set to 65536, spending forever in init +;;; precedence-parse: ignores any setting in excess of 256 +;;; So we patch it to 256. +(define char-code-limit 256) + +;;; MOST-POSITIVE-FIXNUM is used in modular.scm +;;; This is the most positive immediate-value fixnum in PScheme. +(define most-positive-fixnum #x07FFFFFF) + +;;; Return argument +(define (identity x) x) + +;;; 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 defmacro in terms of our define-macro +(define-macro (defmacro name args . body) + `(define-macro (,name ,@args) ,@body)) + +; following defns removed in 0.6.3 while I rethink macro support +;(define defmacro? macro?) +;(define macroexpand expand-macro) +;(define macroexpand-1 expand-macro-1) + +(define gentemp gensym) + +(define base:eval slib:eval) +(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:load <pathname>) + (slib:eval-load <pathname> defmacro:eval)) + +(define slib:warn + (lambda args + (let ((port (current-error-port))) + (display "Warn: " port) + (for-each (lambda (x) (display x port)) args)))) + +;;; Define an error procedure for the library +(define slib:error error) + +;;; As announced by feature string-port +(define (call-with-output-string t) + (let* ((p (open-output-string)) + (r (t p)) + (s (get-output-string p))) + (close-output-port p) + s)) + +(define (call-with-input-string s t) + (let* ((p (open-input-string s)) + (r (t p))) + (close-input-port p) + r)) + +;;; define these as appropriate for your system. +(define slib:tab (integer->char 9)) +(define slib:form-feed (integer->char 12)) + +;;; 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)) +(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+) + +;;; Define SLIB:EXIT to be the implementation procedure to exit or +;;; return if exitting not supported. +(define slib:exit exit) + +;;; 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 +;;; suffix all the module files in SLIB have. See feature 'SOURCE. + +(define (slib:load-source f) + (if (not (file-exists? f)) + (set! f (string-append f (scheme-file-suffix)))) + (load f)) + +;;; (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 load) + +;;; At this point SLIB:LOAD must be able to load SLIB files. + +(define slib:load slib:load-source) + +;;; Pscheme and SLIB both define REQUIRE, so dispatch on argument type. +;;; The SLIB REQUIRE does accept strings, though this facility seems never to be used. +(define pscheme:require require) +(slib:load (in-vicinity (library-vicinity) "require")) +(define slib:require require) +(define (require x) + (if (string? x) (pscheme:require x) (slib:require x))) |